Abstract

A connecting structure between lead-out pins of auxiliary stationary contacts and a yoke plate of a DC relay, includes a yoke plate and an auxiliary stationary contact lead-out terminal assembly mounted on the yoke plate; the auxiliary stationary contact lead-out terminal assembly includes a lead-out pins, a glass material body and a kovar alloy part; the lead-out terminal, the glass material body and the kovar alloy part are connected into a whole by sintering, and the lead-out terminal and the kovar alloy part are insulated from each other by glass material; the auxiliary stationary contact lead-out terminal assembly is welded and fixed to the yoke plate through the kovar alloy part.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/54 - Contact arrangements

Abstract

The present disclosure relates to the technical field of electronic control devices, in particular to a relay. The relay comprises: a housing, the housing being provided with exposing holes; stationary contacts, the stationary contacts being fixed relative to the housing, and one side of each stationary contact being exposed out of the housing via an exposing hole; and signal leading-out pieces, the signal leading-out pieces being fixed to the outer side of the housing and being each connected to a stationary contact. In the circumferential direction of each stationary contact, a signal leading-out piece surrounds part of the stationary contact. During connection of a signal leading-out piece and a stationary contact, since the part of the signal leading-out piece surrounding the stationary contact is of a non-continuous structure, the shape of the signal leading-out piece can be corrected according to needs while end riveting or welding is satisfied, so as to prevent warping of the signal leading-out piece, such that the signal leading-out piece is effectively connected to and in reliable contact with the stationary contact, thus improving the connection strength and connection effect of the stationary contact and the signal leading-out piece. Thus, the signal leading-out pieces and the stationary contacts in the relay can be effectively connected, and the reliability of the connection of the signal leading-out pieces and the stationary contacts is improved.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/14 - Terminal arrangements

Abstract

The present disclosure relates to the technical field of electronic control devices, and in particular to a relay. The relay comprises: a housing, wherein the housing is provided with exposure holes; a main body assembly, wherein the main body assembly is disposed in the housing, a gap is formed between the main body assembly and the housing, the main body assembly comprises static contacts, an insulating cover, a coil and a coil support, the static contacts are fixed relative to the insulating cover, part of each static contact is located outside the insulating cover and is exposed via the corresponding exposure hole, the coil support is arranged on the side of the insulating cover facing away from the exposure holes, and the coil is mounted on the coil support; and a connecting bracket, wherein the connecting bracket is arranged in the housing and located in the gap, the connecting bracket comprises a bracket body and two conductive sheets integrally formed with the bracket body, each conductive sheet is provided with a connection end and a lead-out end which are exposed out of the bracket body, the connection end is connected to a free end of the coil, and the lead-out end extends to the outside of the housing from the side of the housing where the exposure hole is provided. The relay has a reasonably arranged internal space, which effectively leads out low-voltage signals in the coil, and facilitates miniaturization.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/14 - Terminal arrangements

Abstract

Disclosed in the present application are a relay and an electricity meter. The relay comprises a stationary contact member set and a movable contact member set, and further comprises a movable magnetizer set and a stationary magnetizer, wherein the movable magnetizer set is fixed relative to the movable contact member set and is disposed opposite to the stationary magnetizer in an X-axis direction; and the stationary magnetizer is fixed relative to one of components other than the movable contact member set and the movable magnetizer set, stationary contact points of two stationary contact members are respectively located on two sides of the stationary magnetizer in a Y-axis direction, the projections, on a second projection plane which is perpendicular to the Y-axis direction, of the parts of the stationary contact points that are suitable for making contact with the movable contact member set are all located in the projection of the stationary magnetizer on the second projection plane, and compared with all stationary contact points, the surface of the stationary magnetizer that faces the movable magnetizer set is closer to the movable magnetizer set in the X-axis direction. The electricity meter comprises the relay. By means of the technical solution, compared with a relay in the prior art, the relay is less prone to damage and has a longer service life.

IPC Classes  ?

• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke

Abstract

The present application relates to a magnetic circuit part (3), a magnetic latching relay, and an electric meter. The magnetic circuit part (3) comprises a coil assembly (37) and an armature assembly (38); the coil assembly (37) is provided with two magnetic drive ends (45) arranged in a Y-axis direction; the armature assembly (38) comprises permanent magnets (50) and two armatures (51), two magnetic poles of each permanent magnet (50) are arranged in a Z-axis direction, the two armatures (51) are respectively fixedly connected to the two magnetic poles of each permanent magnet (50) and each correspond to one polarity, and are both provided with two attraction portions (60) arranged in an X-axis direction, and each attraction portion (60) can attract a corresponding magnetic drive end (45) in the X-axis direction; the coil assembly (37) is excited by a pulsed electrical signal to reverse the polarities temporarily formed by the two magnetic drive ends (45), so as to switch between different attraction portions (60) of the two armatures (51) in the X-axis direction for attraction and drive the armature assembly (38) to move in the X-axis direction. The magnetic latching relay and the electric meter comprise the magnetic circuit part (3).

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Abstract

Disclosed in the present application are a magnetic latching relay and an electric meter. In the magnetic latching relay, a stationary contact member set fixedly connected to an accommodation member comprises two stationary contact members, each stationary contact member being provided with a stationary contact and a connecting terminal, the stationary contacts of the two stationary contact members being arranged in a Y-axis direction, and the connecting terminals of the two stationary contact members extending out of the accommodation member in the Y-axis direction. An armature assembly of the magnetic latching relay comprises two armatures, and the projections of the two armatures on a first projection plane perpendicular to a Z-axis direction intersect with each other; the armature assembly drives a moving contact member set to be connected to or disconnected from the stationary contact member set in an X-axis direction. The electric meter comprises the magnetic latching relay. Compared with the prior art, using the technical solution can create a more favorable condition for increasing a safety distance between the moving contact member set and the stationary contact member set in a limited space.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/20 - Movable parts of magnetic circuits, e.g. armature movable inside coil and substantially lengthwise with respect to axis thereofMovable parts of magnetic circuits, e.g. armature movable coaxially with respect to coil
• H01H 50/44 - Magnetic coils or windings
• G01R 11/02 - Constructional details

Abstract

Disclosed in the present application are a relay and an electric meter. The relay comprises a fixed part (2) and a movable contact part (4); the fixed part (2) comprises an accommodation part (6) and a stationary contact set (7) which are fixedly connected to each other; the movable contact part (4) can move in an X-axis direction relative to the fixed part (2) and comprises a movable contact set (72); the movable contact set (72) is engaged with or disengaged from the stationary contact set (7) in the X-axis direction; of the accommodation part (6) and the movable contact part (4), one is provided with sliding slots (13), and the other is provided with guide portions (100); the sliding slots (13) extend in the X-axis direction, and the guide portions (100) extend into the sliding slots (13) in a Z-axis direction so as to be in sliding fit with the sliding slots (13) in the X-axis direction.

IPC Classes  ?

• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

The present disclosure provides a relay, comprising a coil frame, a coil, and a circuit board. The coil is wound on the periphery of the coil frame; the circuit board is directly mechanically connected to the coil frame, and the coil is electrically connected to the circuit board. The coil frame functions to mechanically connect the circuit board, and the coil is only adapted to be electrically connected to the circuit board and does not function to mechanically connect the circuit board. In this way, unreliable connection of the circuit board caused by poor electrical connection between the coil and the circuit board can be avoided, and the working reliability of the relay is remarkably improved.

IPC Classes  ?

• H01H 50/44 - Magnetic coils or windings
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

A relay and an electricity meter. The relay (1) comprises a fixed unit (2) and a movable contact unit (3), wherein the fixed unit comprises a static contact member set (9), which comprises two static contact members (27) arranged in an X-axis direction; the movable contact unit moves in a Y-axis direction relative to the fixed unit and comprises a movable contact member set (36) arranged corresponding to the static contact member set, the movable contact member set comprising movable contact members (48) that can connect to or disconnect from the static contact member set in the Y-axis direction and are each provided with two movable contact points (50) corresponding to the static contact members, the two movable contact points being arranged in the X-axis direction; and the movable contact unit is provided with a guiding portion (69) that is in sliding fit with the fixed unit along a straight line (L), the straight line extending in the Y-axis direction and being located between the two movable contact points in the X direction. The electricity meter uses the relay.

IPC Classes  ?

• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/54 - Contact arrangements
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

A magnetic latching relay, comprising a base (1), a fixing support (3), a monitoring movable spring (5) and a monitoring stationary spring (6). The fixing support (3) is assembled on the base (1), the fixing support (3) being provided with an insertion structure (4); the insertion structure (4) has an insertion space, and the insertion structure (4) comprises first separation members (41), the first separation members (41) being arranged in the insertion space, and each first separation member (41) being provided with a first glue dispensing opening (43) and a glue second dispensing opening (44) in communication with the insertion space. The monitoring movable spring (5) and the monitoring stationary spring (6) are inserted into the insertion space in the vertical direction; the monitoring movable spring (5) extends out from a first glue dispensing opening (43), and the monitoring stationary spring (6) extends out from a second glue dispensing opening (44); the first glue dispensing openings (43) and the second glue dispensing openings (44) are used for dispensing glue, so as to fix the monitoring movable spring (5) and the monitoring stationary spring (6). The dispensing operation is simple, the stability is enhanced, and after a glue solution is cured, the monitoring stationary spring (6), the monitoring movable spring (5) and the fixing support (3) are fixed integrally, thus improving the monitoring stability of the monitoring movable spring (5) and the monitoring stationary spring (6).

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

Provided in the present disclosure is a magnetic latching relay, comprising a base, a magnetic circuit assembly, a fixing frame, a monitoring movable spring and a monitoring static spring. The magnetic circuit assembly is arranged on the base and can swing in a first horizontal direction; and the fixing frame is connected to the base and covers at least part of the magnetic circuit assembly, and the fixing frame is provided with an insertion structure. The monitoring movable spring and the monitoring static spring are inserted into the insertion structure in a vertical direction, and ends of the monitoring movable spring and the monitoring static spring extend out from the insertion structure, the vertical direction being perpendicular to the first horizontal direction. When a first voltage is applied, the magnetic circuit assembly moves towards one side in the first horizontal direction, to drive the end of the monitoring movable spring to be closed with the end of the monitoring static spring; and when a second voltage opposite to the first voltage is applied, the magnetic circuit assembly moves towards the other opposite side, and the end of the monitoring movable spring is separated from the end of the monitoring static spring. The magnetic latching relay of the embodiments of the present disclosure can reduce the cost, and improve the monitoring safety and reliability.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements

Abstract

The present disclosure provides a magnetic latching relay, comprising a base, a fixing frame, a monitoring movable spring, and a monitoring stationary spring. The base is provided with an insertion slot; the fixing frame is arranged on the base, the fixing frame being provided with an insertion structure, and the insertion structure being configured for insertion into the insertion slot; the monitoring movable spring and the monitoring stationary spring are inserted into the insertion structure in the vertical direction, and end portions of the monitoring movable spring and the monitoring stationary spring each extend out of the insertion structure. The insertion structure of the magnetic latching relay of the present utility model can be more precisely arranged in the base, preventing stress deformation during the assembly process, and improving the accuracy of the monitoring movable spring and the monitoring stationary spring with respect to monitoring the working status of the magnetic latching relay.

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 50/08 - IndicatorsDistinguishing marks
• H01H 49/00 - Apparatus or processes specially adapted to the manufacture of relays or parts thereof

Abstract

Provided in the present disclosure are a relay and a device. The relay comprises four contact lead-out components, which are all electrically connected to an external circuit so as to form three conductive loops with the external circuit, such that the number of contact lead-out components is reduced on the basis of ensuring that the conductive loops remain unchanged, thereby reducing the volume of the relay and facilitating the miniaturization of the relay. Moreover, the complexity of control logic and material costs of a device are reduced. In addition, the four contact lead-out components are arranged in one relay, making the structure of the relay more compact and the assembly efficiency higher. Furthermore, the wiring between the relay and the external circuit is simpler, and less copper is used.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/54 - Contact arrangements

Abstract

A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings

Abstract

A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings

Abstract

The present disclosure provides a relay and an electricity meter. The relay comprises an accommodating member, an electric control part, and a guide member; the electric control part comprises a stationary contact group and a movable contact unit, wherein the stationary contact group is fixedly connected to the accommodating member and comprises two stationary contact members arranged in the X-axis direction, the movable contact unit moves relative to the accommodating member in the Y-axis direction and comprises a movable contact group corresponding to the stationary contact group, the movable contact group comprises movable contact members, each movable member is provided with two movable contacts, and the two movable contacts can contact or separate from corresponding stationary contact members in the Y-axis direction; the guide member is fixedly connected to the accommodating member and is located between the two movable contacts in the X-axis direction; and the guide member slidably engages with the movable contact unit only along a straight line extending in the Y-axis direction. The electricity meter uses the described relay. By using the described technical solution, the energy consumption of the relay is reduced compared with the prior art.

IPC Classes  ?

• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke

Abstract

The present disclosure provides a relay, comprising a housing, a magnetic circuit assembly and a contact assembly. The magnetic circuit assembly is arranged in the housing. The contact assembly comprises a movable contact member and two static contact members; the movable contact member comprises a movable contact bridge; the movable contact bridge extends in a first direction; movable contact points are respectively arranged at both ends of the movable contact bridge in the first direction; the two static contact members are each provided with a static contact point and a load connecting portion; the two load connecting portions are located on the same side of the movable contact bridge in the first direction; and the static contact points of the two static contact members are arranged respectively corresponding to the two movable contact points arranged on the movable contact bridge. Among the two static contact members, the one corresponding to the movable contact points distant from the load connecting portions in the first direction is a first static contact member, and the first static contact member is provided with a first overcurrent portion; and when the two movable contact points and the corresponding static contact points are connected, the first overcurrent portion is at least partially located on the side of the movable contact bridge facing away from the static contact points, and the overcurrent direction of the first overcurrent portion is opposite to that of the movable contact bridge.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/54 - Contact arrangements

Abstract

A high-voltage DC relay convenient for quick assembly includes a housing, and load leading-out terminals, coil leading-out terminals and auxiliary leading-out terminals being provided with a connecting part for electrical connection with an external component. The connecting parts are respectively exposed to the housing; the connecting part of the load leading-out terminal is arranged at a top end of the housing; and the connecting parts of the coil leading-out terminal and the auxiliary leading-out terminal is arranged at a bottom end of the housing. Each connecting part has a welding plane for electrical connection with a corresponding one of the external components through quick welding. The present disclosure can realize the rapid welding assembly of products, maximize production efficiency of assembly and welding, and has characteristics of simple structure, low manufacturing cost and reliable electrical connection.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings

Abstract

Disclosed in the present application are a moving component, a magnetic latching relay and an electric meter. The moving component comprises an armature assembly, a pushing clamp and movable contact sets, wherein the armature assembly is driven by a coil assembly and linearly moves, and the extension direction of a coil winding in the coil assembly is perpendicular to the movement direction of the armature assembly. The pushing clamp and the armature assembly are integrally formed by means of insert injection molding, and the movable contact sets are mounted on the pushing clamp to make contact with or move away from stationary contact sets. The magnetic latching relay and the electric meter each comprise the moving component. Compared with the prior art, adopting the technical solution is more conducive to arranging the movable contact sets within a limited space in a direction perpendicular to the movement direction of the moving component.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 51/27 - Relays with armature having two stable magnetic states and operated by change from one state to the other

Abstract

The present application discloses a magnetic circuit part, a magnetic latching relay, and an electricity meter. The magnetic circuit part comprises an armature assembly and a coil assembly; the armature assembly comprises permanent magnets and two armatures; the two armatures are fixedly connected to two magnetic poles of each permanent magnet, respectively; and projections of the two armatures on a first projection plane perpendicular to the Z-axis direction intersect with each other, and the intersecting parts are spaced apart from each other in the Z-axis direction. The coil assembly has two magnetic driving ends arranged in the X-axis direction, and the coil assembly is excited by a pulse electric signal to reverse the polarities temporarily formed by the two magnetic driving ends so as to drive the armature assembly to move in the Y-axis direction. The magnetic latching relay and the electricity meter both comprise the magnetic circuit part. Compared with the prior art, the technical solution creates more favorable conditions for increasing the safety distance between a movable contact and a static contact in a limited space.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements

Abstract

Provided in the present disclosure is a push rod anti-jamming structure. A first space and a second space are provided in a switching device, a partition plate serving as a separation structure between the first space and the second space in the switching device is further provided in the switching device, and a push rod movably passes through the partition plate. The push rod anti-jamming structure comprises an isolation ring and at least one sealing member, wherein the isolation ring is disposed on the partition plate, the isolation ring has a cylindrical body, and the direction in which the isolation ring extends along an axis of the cylindrical body thereof is defined as a longitudinal direction; and the sealing member is fixedly connected to the push rod, the sealing member is provided with an extension structure, and the sealing member forms a sealing fit with an inner wall face and/or an outer wall face of the cylindrical body by means of the extension structure of the sealing member, so as to form a sealing structure between the push rod and the partition plate, thereby preventing foreign objects from falling into an internal space of a contactor through a gap between the push rod and the partition plate.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers

Abstract

The present application discloses a contact unit, an electronic control portion, and a relay. The contact unit comprises at least two contact element groups arranged along an X-axis direction; each contact element group comprises a moving contact element group and a static contact element group, which are oppositely disposed along a Y-axis direction; each moving contact element group is provided along a Z-axis direction, along a Z-axis direction, with at least two moving contact elements which are adapted for parallel connection, a middle portion of each moving contact element being an arc control moving contact element; compared with other moving contact elements, a contact stroke of the arc control moving contact element is shorter along the Y-axis direction, so as to cause the arc control moving contact element to disconnect from the static contact element group later than other moving contact elements; and the positions of arc control moving contact elements of adjacent moving contact element groups along the Z-axis direction are different. The electronic control portion and the relay comprise the described contact unit. By using the described technical solution, short circuit problems are less likely to occur between heterogeneous phases.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 9/30 - Means for extinguishing or preventing arc between current-carrying parts

Abstract

The present disclosure provides an auxiliary contact assembly and a relay. The auxiliary contact assembly is applied to a switching device, and comprises an auxiliary movable spring and auxiliary static springs. At least two auxiliary static springs are provided, and each auxiliary static spring comprises a static spring lead-out end and a static spring contact end. The auxiliary movable spring comprises an installation fixing part and a contact part connected to each other. The contact part comprises a push region, and a first movable spring contact end and a second movable spring contact end respectively extending on two sides of the push region. The push region is configured to be pushed by a push rod mechanism of the switching device, so as to drive the first movable spring contact end and the second movable spring contact end to contact or separate from corresponding static spring contact ends. The auxiliary movable spring is connected to the push rod mechanism without moving synchronously therewith, thereby reducing the load and power consumption of the pushing assembly, simplifying installation processes, and lowering manufacturing costs.

IPC Classes  ?

• H01H 50/54 - Contact arrangements

Abstract

The present application discloses a contact part, a relay and an electricity meter. The contact part comprises a static contact group, a moving contact group, and an anti-short-circuit unit; the static contact group is provided with a reverse overcurrent part; the moving contact group abuts against or is away from the static contact group in the Y-axis direction, and the overcurrent direction of the moving contact group is opposite to the overcurrent direction of the reverse overcurrent part in the X-axis direction; the anti-short-circuit unit comprises a first magnetic conductor group fixed relative to the moving contact group and a second magnetic conductor group fixed relative to the static contact group, the first magnetic conductor group and the second magnetic conductor group form a magnetic loop when the moving contact group has overcurrent, and the second magnetic conductor group is at least partially located between the moving contact group and the reverse overcurrent part in the Y-axis direction. The relay and the electricity meter comprise the contact part. According to the technical solution, compared with a contact part in the prior art, when the contact part is impacted by a fault large current, the moving contact group and the static contact group are not easily separated.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements

Abstract

Provided in the present disclosure is a push rod anti-jamming structure, comprising an isolation ring and a sealing sleeve, wherein the sealing sleeve is made of a flexible or elastic material, and is fixedly connected to a push rod, the sealing sleeve has an outer peripheral surface, a protruding structure protruding radially outwards is formed on the outer peripheral surface, and the protruding structure is arranged circumferentially around the entire outer peripheral surface; and the isolation ring has a cylindrical main body, and the protruding structure is in an interference fit with the inner wall of the cylindrical main body.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers
• H01H 3/32 - Driving mechanisms, i.e. for transmitting driving force to the contacts

Abstract

The present disclosure relates to the technical field of electronic control devices, and in particular relates to a relay. The relay comprises a casing, a body assembly for realizing the on-off of a load, and a sound-damping member, wherein the sound-damping member is located in the casing and is arranged in at least part of a region between the casing and the body assembly; the sound-damping member is bonded to the casing by means of adhesive layers; the body assembly comprises a yoke plate, the yoke plate dividing the body assembly into a first part and a second part; and the sound-damping member is bonded to the body assembly by means of adhesive layers. The relay can reduce, by means of optimizing its own structure, noise transmitted from the interior of the relay to the outside, thereby improving the user experience.

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

The present disclosure relates to the technical field of electronic control devices, and in particular to a relay. The relay comprises: a housing and a main body assembly, a fixing area is arranged between the housing and the main body assembly, and the main body assembly is fixed in the housing in the fixing area; the housing comprises a first housing; the main body assembly comprises a magnetically conductive part; the magnetically conductive part comprises a bottom plate and a side plate, and the side plate is connected to at least part of the bottom plate in the circumferential direction of the bottom plate; and a noise-damping pad is provided between the side plate and the first housing. By optimizing the structure of the relay, the relay can reduce noise transmitted from the side part of the relay to the outer side, improving the user experience.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers
• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Abstract

The present disclosure relates to the technical field of electronic control devices, and specifically relates to a relay. The relay comprises: a first housing, an insulating cover and a silencing pad, wherein the first housing is located on one side of the insulating cover; the insulating cover is used for covering a contact portion of a main contact; and there is a fixing region between the first housing and the insulating cover, and the silencing pad is disposed in at least part of the fixing region. By means of optimizing its own structure, the relay can reduce noise transmitted from the top of the relay to the outside, thereby improving the user experience.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers
• H01H 3/60 - Mechanical arrangements for preventing or damping vibration or shock
• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Abstract

The present invention relates to the technical field of electronic control devices, and in particular to a relay and a manufacturing method therefor. The relay comprises a housing, a body assembly used for realizing the on/off of a load, and a silencing pad group, wherein a fixing area is provided between the housing and the body assembly, and the body assembly is fixed in the housing in the fixing area; the silencing pad group is located in the housing and is arranged in at least part of the area between the housing and the body assembly. By optimizing the structure of the relay, noise transmitted from the inside of the relay to the outside can be reduced, thereby improving user experience.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 3/60 - Mechanical arrangements for preventing or damping vibration or shock
• H01H 49/00 - Apparatus or processes specially adapted to the manufacture of relays or parts thereof
• F16F 15/04 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system using elastic means
• G10K 11/16 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general

Abstract

The present disclosure relates to the technical field of electronic control devices, and specifically relates to a relay. The relay comprises: a first shell, a magnetically conductive part and a noise reduction pad, wherein the first shell is located on one side of the magnetically conductive part; the magnetically conductive part comprises a base plate and a side plate, the side plate being connected to at least part of the base plate in the circumferential direction of the base plate; and a fixing area is provided between the base plate and the first shell, and the noise reduction pad is arranged in at least part of the fixing area. By optimizing the structure of the relay, noise transmitted from the bottom of the relay to the exterior can be reduced, thereby improving user experience.

IPC Classes  ?

• H01H 50/02 - BasesCasingsCovers

Abstract

The present disclosure relates to the technical field of electronic control devices, and in particular to a relay. The relay comprises a housing, a main body assembly used for turning a load on/off, and a silencer. The silencer is located in at least part of the area between the housing and the main body assembly, and the silencer and the housing are of an integrally formed structure; the main body assembly comprises a yoke plate, and the yoke plate partitions the main body assembly into a first portion and a second portion; the silencer and the main body assembly are bonded by means of an adhesive layer. By optimizing the structure of the relay, noise transmitted from the inside of the relay to the outside can be reduced, improving the user experience.

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 50/02 - BasesCasingsCovers
• H01H 3/60 - Mechanical arrangements for preventing or damping vibration or shock
• F16F 15/02 - Suppression of vibrations of non-rotating, e.g. reciprocating, systemsSuppression of vibrations of rotating systems by use of members not moving with the rotating system
• G10K 11/162 - Selection of materials
• G10K 11/175 - Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effectsMasking sound

Abstract

The present application discloses a relay, comprising a pair of stationary contacts (22), movable contact blades (31), a push rod component (33), and an elastic assembly (32). The movable contact blades (31) are used for being in contact with or separated from the pair of stationary contacts (22); the push rod component (33) comprises a positioning member (50) made of a metal material; the elastic assembly (32) is made of a metal material and used for providing contact pressure to the movable control blades (31); and the elastic assembly (32) is positioned by and connected to the positioning member (50).

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/54 - Contact arrangements

Abstract

The present application relates to a relay, comprising a pair of static contacts and a plurality of moving contact members, wherein the pair of static contacts is arranged in a first direction, and each static contact has a plurality of static contact portions; each moving contact member has two moving contact portions, and the two moving contact portions are configured to be in contact with the static contact portions of the static contacts; respective orthographic projections, on a target plane, of a plurality of groups of corresponding moving contact portions and static contact portions between each static contact and the plurality of moving contact members have overlapping first projections, at least one of the plurality of first projections and the remaining first projections are arranged in a staggered manner in a third direction, and the orthographic projections of the plurality of moving contact members on the target plane have no overlapping area; and the moving direction of the plurality of moving contact members is defined as a second direction, the first direction, the second direction and the third direction are pairwise perpendicular to each other, and the target plane is perpendicular to the second direction.

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/02 - BasesCasingsCovers
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet

Abstract

An anti-jamming structure for a push rod, and a switching electrical device. The anti-jamming structure for a push rod is used for a switching electrical device, and the switching electrical device comprises a partition plate (10), wherein a push rod (6) movably penetrates the partition plate (10). The anti-jamming structure for the push rod comprises a sealing gasket (15), which can be arranged on the partition plate, wherein the sealing gasket (15) is provided with a through hole for allowing the push rod (6) to pass therethrough; the push rod (6) is in interference fit with the through hole; and the sealing gasket (15) is configured in such a way that an inner ring part thereof in contact with at least the push rod (6) is made of a flexible material, such that the sealing gasket (15) can deform with the movement of the push rod (6). When the push rod (6) moves, an inner ring of the sealing gasket (15) always fits to the outer surface of the push rod (6), thereby achieving the effect of preventing foreign matter from passing through a gap between the push rod (6) and the partition plate (10), and preventing the switching electrical device from being damaged due to the foreign matter entering an inner space.

IPC Classes  ?

• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/02 - BasesCasingsCovers
• H01H 3/32 - Driving mechanisms, i.e. for transmitting driving force to the contacts

Abstract

Provided in the present application is an electromagnetic relay, comprising a relay body and a lead-out plate, wherein the lead-out plate is connected to a reed of a contact part of the relay body and extends to the outside of a housing of the relay body, the part of the lead-out plate that is located inside the housing of the relay body is defined as an internal lead-out part, and the part of the lead-out plate that is located outside the housing of the relay body is an external lead-out part. The electromagnetic relay further comprises a magnetically-conductive magnetic shielding member, the magnetic shielding member being wrapped around the external lead-out part located outside the housing of the relay body. After a current enters the external lead-out part, a generated magnetic field is concentrated on the magnetic shielding member; in this way, the influence of an external magnetic field generated by an external assembly on the internal magnetic field of the relay can be effectively reduced, so as to ensure the reliability of the electromagnetic relay.

IPC Classes  ?

• H01H 50/10 - Electromagnetic or electrostatic shielding
• H01H 50/14 - Terminal arrangements

Abstract

A relay, comprising a push rod assembly (3200), movable contact assemblies (3100) and elastic assemblies (3300), wherein each movable contact assembly comprises a movable contact piece (3110); the elastic assemblies are connected to the push rod assembly and the movable contact assemblies, and are used to provide contact pressure to the movable contact pieces; each elastic assembly has a first fulcrum (O1) and comprises a first leaf spring (100) and a second leaf spring (200); during an over-travel process, the push rod assembly presses against the elastic assemblies and sequentially has an over-travel initial position and a first transition position relative to the positions of the movable contact pieces; before the push rod assembly moves from the over-travel initial position to the first transition position, the first leaf spring deforms with the first fulcrum as a rotation point, and has a first force arm; and at the first transition position, the first leaf spring comes into contact with the second leaf spring. The relay achieves both high contact pressure and low coil power consumption.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/56 - Contact spring sets
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact

Abstract

The present application discloses a relay, comprising a push rod assembly, a movable contact assembly, and an elastic assembly. The movable contact assembly comprises a movable contact blade; the elastic assembly is connected to the push rod assembly and the movable contact assembly, and is used for providing contact pressure to the movable contact blade; the elastic assembly comprises a first fulcrum and a second fulcrum; and the elastic assembly has a first moment arm when pressed by the push rod assembly to deform with the first fulcrum as a rotation point, and the elastic assembly has a second moment arm when pressed by the push rod assembly to deform with the second fulcrum as a rotation point, wherein the length of the first moment arm is not equal to the length of the second moment arm.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/56 - Contact spring sets
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact

Abstract

The present application discloses a relay, comprising a pair of static contacts (22), a movable contact assembly (30a) and an anti-short-circuit structure (50). Two ends of the movable contact assembly (30a) in the length direction are used for being in contact with the pair of static contacts (22) respectively; the movable contact assembly (30a) comprises a plurality of movable branch parts (311); the anti-short-circuit structure (50) comprises first magnetizers (51) and connecting parts (53), the first magnetizers (51) are arranged on the side of the movable contact assembly (30a) facing the static contacts (22), the first magnetizers (51) are provided with a plurality of magnetically conductive parts (512) arranged at intervals, and the connecting parts (53) are connected to each two adjacent magnetically conductive parts (512); and in the movement direction of the movable contact assembly (30a), there are corresponding movable branch parts (311) and magnetically conductive parts (512) among the plurality of movable branch parts (311) and the plurality of magnetically conductive parts (512), and the orthographic projections of the corresponding magnetically conductive parts (512) and movable branch parts (311) on a target plane have an overlapping area, the target plane being perpendicular to the movement direction of the movable contact assembly (30a).

IPC Classes  ?

• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
• H01H 47/02 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay

Abstract

The present application relates to a relay, comprising an insulating cover, a static contact, and a protective layer. A chamber is provided in the interior of the insulating cover, and the insulating cover is further provided with a through hole that is in communication with the chamber. The static contact is limited to be located in the through hole, and the static contact is provided with a contact end and a connecting end. The contact end extends into the chamber, and the connecting end extends out of an outer surface of the insulating cover. The side of the connecting end facing away from the insulating cover is provided with a connecting surface. The protective layer covers the connecting surface and is used to be electrically connected to a conductive member.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers

Abstract

The present application relates to a relay, comprising an insulating cover, a pair of static contacts, and a movable contact blade, wherein the insulating cover is provided with an inner cavity, and the insulating cover is further provided with a pair of mounting holes communicated with the inner cavity; each static contact is provided with an extending part, a connecting part, and a contact part, the extending part is connected to the contact part by means of the connecting part, two connecting parts respectively pass through the pair of mounting holes, and the extending parts are located on the outer surface of the insulating cover and connected to the insulating cover; the contact parts are located in the inner cavity and provided with static contact parts; the movable contact blade is provided with movable contact parts corresponding to the static contact parts; the respective orthographic projections of the movable contact parts and the static contact parts on a target plane have overlapping first projections, the orthographic projections of the connecting parts on the target plane are second projections, and at least parts of the first projections fall outside the second projections; the target plane is perpendicular to the moving direction of the moving contact blade.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/56 - Contact spring sets
• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/02 - BasesCasingsCovers
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet

Abstract

A relay and an Internet of Things meter. The relay comprises a magnetic circuit portion (2), a swing connecting member (4), and a contact portion (1); the contact portion (1) comprises a movable contact member (11) and a stationary contact member (12); the magnetic circuit portion (2) comprises a coil assembly (21) and an armature assembly (22), the coil assembly (21) comprises a coil body (211), and by means of a magnetic force, the coil body (211) drives the armature assembly (22) to swing around a first axis; the swing connecting member (4) has a first end and a second end, and the portion of the swing connecting member (4) located between the first end and the second end is suitable for rotating around a second axis; the distance from the first end to the second axis is less than the distance from the second end to the second axis; and the swing connecting member (4) is configured to rotate when the first end is actuated by the armature assembly (22), and to drive the movable contact member (11) via the second end to move to a closed position or an open position during the rotation. In this way, the small rotation stroke of the armature assembly (22) can be amplified, thereby achieving a large stroke design for opening and closing between the movable contact member (11) and the stationary contact member (12).

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

The present disclosure relates to the technical field of electronic control devices, and in particular to a relay and an electricity meter. The relay comprises a contact portion and a magnetic circuit portion; the contact portion comprises a movable contact member and two static contact members; the movable contact member has an extension direction, and movable contacts are respectively arranged at two ends of the movable contact member in the extension direction; the two static contact members are each provided with a static contact and an electric connection end; the static contacts on the two static contact members respectively correspond to the movable contacts at the two ends of the movable contact member; the magnetic circuit portion and the contact portion are arranged in the extension direction of the movable contact member; the magnetic circuit portion comprises a coil assembly and a magnetically driven rotating member; the coil assembly comprises a coil main body, and the axial direction of the coil main body is parallel to an action direction of the movable contact member; the magnetically driven rotating member is located between the coil assembly and the movable contact member, and can be driven by a magnetic force of the coil main body to swing around a first axis in a preset swing range so as to drive the movable contact member to move to a closed position or a disconnected position; at the closed position, the movable contacts are in contact with the static contacts; and at the disconnected position, the movable contacts are separated from the static contacts.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

The present disclosure provides a relay and an Internet of Things meter. The relay comprises a housing, a push member capable of moving relative to the housing in a first direction, and a contact portion and a magnetic circuit portion; the contact portion comprises at least one movable contact assembly and at least one stationary contact assembly, the movable contact assembly comprises a movable contact member, the movable contact member is entirely mounted and moves along with the push member, the movable contact member extends in a second direction perpendicular to the first direction, and the two ends of the movable contact member in the second direction are respectively provided with movable contacts; each stationary contact assembly comprises two electrical connection terminals for forming an electrical connection with the outside, each electrical connection terminal is provided with at least one stationary contact, and the stationary contacts of each stationary contact assembly are respectively arranged corresponding to the movable contacts of one movable contact assembly; the magnetic circuit portion is arranged on the housing and comprises a coil assembly and a magnetic rotating member; the magnetic rotating member is rotatably arranged on the housing, and the magnetic rotating member is configured to swing within a preset swing range under the magnetic action of the coil assembly when a forward pulse voltage and a reverse pulse voltage are applied to the coil assembly, and to push the push member to move so as to drive the movable contacts of the movable contact member and the stationary contacts of the stationary contact assembly to be connected or disconnected.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings

Abstract

Provided in the present disclosure are a relay and an electric meter. The relay comprises a casing, a magnetic circuit portion, a contact portion and a pusher. The magnetic circuit portion is disposed in the casing and comprises a coil, two yokes and a magnetic rotating member, wherein the coil extends in a first direction; the two yokes are respectively connected to two ends of the coil in the first direction; and the magnetic rotating member can switch rotation direction when the coil is energized with a forward pulse voltage or a reverse pulse voltage. The contact portion comprises at least one movable contact assembly and at least one fixed contact assembly, wherein each movable contact assembly comprises a movable contact member that extends in a second direction perpendicular to the first direction, both ends of the movable contact member being provided with movable contacts; each fixed contact assembly comprises two electrical connection terminals that are electrically connected to the outside, each electrical connection terminal being provided with at least one fixed contact; each fixed contact assembly is disposed on the side of the corresponding movable contact member in the first direction; and the fixed contacts of each fixed contact assembly respectively correspond to the movable contacts of each movable contact member. The pusher extends in a direction parallel to the first direction and can be driven by the magnetic rotating member to move in the first direction. The central part of each movable contact member in the second direction is mounted on the pusher, and each movable contact member integrally follows the movement of the pusher in the first direction so as to connect to or disconnect from the fixed contact assembly. The coil and the magnetic rotating member are respectively located on two sides of the pusher in the second direction.

IPC Classes  ?

• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/54 - Contact arrangements

Abstract

The present disclosure relates to the technical field of electronic control devices, and specifically to a relay and an electricity meter. The relay comprises a base, a movable contact portion, static contact members, and a magnetic circuit portion; the movable contact portion comprises a movable contact member and a first elastic member; the first elastic member is connected to the movable contact member; the magnetic circuit portion is used for driving the movable contact member to be switched between a connected position and a disconnected position; at the connected position, the movable contact member and the static contact members are connected; at the disconnected position, the movable contact member and the static contact members are disconnected; the base is provided with limiting portions; and the limiting portions are configured to enable the first elastic member to store energy in the action direction of the movable contact member when the movable contact member is at both the connected position and the disconnected position, and apply to the movable contact member an acting force capable of enabling the movable contact member to move away from the static contact members and an acting force capable of enabling the movable contact member to move towards the static contact members, thereby increasing the speed of responding to the disconnection and connection of the movable contact member and the static contact members.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/44 - Magnetic coils or windings

Abstract

The present application relates to a magnetic latching relay. The magnetic latching relay comprises a base body, a cover body and an armature assembly, wherein the base body and the cover body oppositely engage with each other, and a cavity is formed between the base body and the cover body; and it is defined that the cover body is located relatively above the base body, and the base body is located relatively below the cover body. The magnetic latching relay further comprises an armature bracket mounted in the cavity, wherein the armature assembly is arranged between the armature bracket and the base body, the armature assembly comprises a pivot shaft, upper and lower ends of the pivot shaft are pivoted to the armature bracket and the base body respectively, and the armature bracket and the base body are in direct contact and abut against each other in an up-down direction. In the magnetic latching relay of the present application, the base body directly presses against the armature bracket, so that the armature bracket is less likely to shake, and thus positioning is more reliable.

IPC Classes  ?

• H01H 50/30 - Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
• H01H 50/02 - BasesCasingsCovers
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

The present application relates to a magnetic latching relay, comprising a housing, an armature assembly, and a microswitch. The armature assembly is movably mounted in the housing; the microswitch is triggered under a motion action of the armature assembly; a cavity used for mounting the armature assembly is formed in the housing; a mounting slot is formed in a position adjacent to the cavity; the microswitch comprises a shell, a contact reed, and pins; the contact reed and the pins are respectively arranged on two ends of the shell; a first notch and a second notch are respectively formed in the slot wall of the side of the mounting slot close to the cavity and in the slot wall of the other side of the mounting slot distant from the cavity; the shell is fitted and fixed in the mounting slot; and the first notch and the second notch respectively provide clearance for the contact reed and the pins. The present application can facilitate the mounting and positioning of the microswitch, thereby preventing the pins from bending and deforming due to abutment against the inner wall of the mounting slot during mounting of the microswitch, or avoiding generating debris due to the friction between the pins and the inner wall of the mounting slot during mounting of the microswitch; and the microswitch is arranged vertically in the up-down direction, thereby ensuring reliable contact between the contact reed and the armature assembly.

IPC Classes  ?

• H01H 50/08 - IndicatorsDistinguishing marks
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/02 - BasesCasingsCovers

Abstract

The present application relates to the technical field of electronic control devices, and in particular to a contact apparatus and a relay. The contact apparatus comprises: a static contact group, the static contact group comprising two static contacts; a movable reed assembly, wherein the movable reed assembly comprises a movable reed, and two ends of the movable reed can move relative to the static contact group, so that the two ends of the movable reed come into contact with or are separated from the static contact group; and an elastic member, wherein the elastic member is arranged on the side of the movable reed assembly distant from the static contact group, and an arc-shaped contact surface is provided between the elastic member and the movable reed assembly. The contact apparatus can realize self-adjustment of the movable reed within the movable reed assembly at any position, allowing the movable reed and the static contacts to reach a balanced contact point, thereby ensuring the effective use of the relay and improving the performance of the relay.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/56 - Contact spring sets

Abstract

The present application relates to the technical field of electronic control devices, in particular to a contact assembly and a relay. The contact assembly comprises: a moving spring and a stationary contact set, wherein two ends of the moving spring can move relative to the stationary contact set so as to make contact with or disengage from the stationary contact set; the stationary contact set comprises two stationary contacts; a recess is provided on one side of each stationary contact; in the circumferential direction of each stationary contact, the part of the stationary contact around the corresponding recess forms a contact contact area; and at least three moving spring contact portions are provided on one side of the moving spring, the at least three moving spring contact portions correspond to the contact contact areas of the two stationary contacts, and the moving spring contact portions are configured to make contact with or disengage from the contact contact areas corresponding thereto. In the contact assembly, at least three contact positions can be formed between the stationary contact set and the moving spring, so that the contact stability between the stationary contacts and the moving spring is ensured, and the possibility of vibration between the stationary contacts and the moving spring is reduced, thereby guaranteeing the structural performance of a relay.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/56 - Contact spring sets

Abstract

The present application relates to the technical field of electronic control devices, in particular to a contact assembly and a relay. The contact assembly comprises: a stationary contact set and a moving spring, wherein the stationary contact set comprises two stationary contacts; two ends of the moving spring can make contact with or disengage from the corresponding stationary contacts to form two contact areas; and at least one of the stationary contact in each of the contact areas and the moving spring is provided with contact portions, and there are at least two contact portions in each of the contact areas, the contact portions being configured to realize contact and disengagement between the moving spring and the stationary contacts. In the contact assembly, the number of contact positions between the moving spring and the stationary contact set can be increased, so that the contact stability between the stationary contacts and the moving spring is ensured, and the possibility of vibration and noise between the stationary contacts and the moving spring is reduced.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/56 - Contact spring sets

Abstract

The present application discloses an auxiliary contact part and a relay. The auxiliary contact part comprises an auxiliary reed and auxiliary stationary assemblies; the auxiliary reed comprises a reed and auxiliary movable contacts; the auxiliary movable contacts are connected to the reed; each auxiliary stationary assembly comprises a leading-out pin and an auxiliary stationary contact; the tail end of the leading-out pin is provided with a supporting section; the auxiliary stationary contact is fixedly connected to the tail end of the supporting section; and the auxiliary stationary contact is used for being in contact with or separated from the auxiliary movable contact, and the contacting and separation directions of the auxiliary movable contact and the auxiliary stationary contact are parallel to the axis of the supporting section. A plane perpendicular to the axis of the supporting section is defined, and the area of the orthographic projection of the auxiliary stationary contacts on the plane is greater than the area of the orthographic projection of the supporting sections on the plane.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/16 - Magnetic circuit arrangements

Abstract

The present application discloses a relay, comprising a yoke plate, auxiliary static assemblies, and an auxiliary moving reed. The yoke plate is provided with first mounting holes, and the first mounting holes pass through the yoke plate in the thickness direction of the yoke plate. Each auxiliary static assembly comprises an insulating member, a lead-out pin, and an auxiliary static contact. The insulating member surrounds the outer circumferential surface of the lead-out pin, and the lead-out pin runs through the corresponding first mounting hole, and is connected to the yoke plate in an insulated manner by means of the insulating member. The auxiliary static contact is connected to the end of the lead-out pin extending out of the surface on one side in the thickness direction of the yoke plate. The auxiliary moving reed is configured to make contact with or be separated from the auxiliary static contact. The lead-out pin is made of a first material, the auxiliary static contact is made of a second material, and the conductivity of the second material is superior to that of the first material.

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 50/14 - Terminal arrangements

Abstract

Disclosed in the present application is a high-voltage direct-current relay. The high-voltage direct-current relay comprises an auxiliary static assembly and an auxiliary moving spring, wherein the auxiliary moving spring comprises a leaf spring and auxiliary moving contact points, a plurality of auxiliary moving contact points are provided at one end of the leaf spring, and each auxiliary moving contact point is used for being in contact with or separated from the auxiliary static assembly. According to the high-voltage direct-current relay in the embodiments of the present application, there are a plurality of auxiliary moving contact points at one end of the auxiliary moving spring, and each auxiliary moving contact point is used for being in contact with or separated from the auxiliary static assembly, so that at least two contact points are formed between the auxiliary moving spring and the auxiliary static assembly. When one of the contact points fails, the remaining contact points may also remain turned on, such that the loop of an auxiliary contact portion remains conductive. Therefore, the auxiliary moving spring in the embodiments of the present application can reduce to a certain extent the probability of non-conduction occurring between the auxiliary moving spring and the auxiliary static assembly.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/56 - Contact spring sets

Abstract

The present invention relates to the technical field of electric power. Provided are a shunt, a relay and an electronic metering device. The shunt comprises a shunt body and a heat dissipation structure, wherein the shunt body comprises a metering collection portion; and the heat dissipation structure comprises an insulating heat dissipation member, the insulating heat dissipation member is arranged on the shunt body, and at least part of the insulating heat dissipation member is arranged corresponding to the metering collection portion. Since at least part of the insulating heat dissipation member is arranged corresponding to the metering collection portion, the insulating heat dissipation member can absorb some of the heat, that is, a heat dissipation channel is added around the metering collection portion, thereby achieving a good heat dissipation effect and reducing the risk of burnout of the metering collection portion caused by an excessive temperature rise. In addition, the insulating heat dissipation member is made of an insulating material and has a certain insulation effect. The insulating heat dissipation member has the functions of current insulation and isolation, such that a current is not shunted to the insulating heat dissipation member, but is transmitted along the metering collection portion only, thereby improving the metering accuracy of the metering collection portion.

IPC Classes  ?

• H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating

Abstract

A DC relay for anti-short circuit current and arc extinction includes a static contact leading-out end; a movable contact piece; a fixed upper yoke and a lower armature respectively placed on an upper side and a lower side of the movable contact piece and can form a magnetic conductive loop; a first U-shaped bracket fixedly installed at an upper end of a pushing rod, the pushing rod can drive the movable contact piece to come into contact and separate from the static contact leading-out end during an up-and-down movement to realize an on-off of the DC relay; and a second U-shaped bracket installed on a stationary component of the DC relay, and the fixed upper yoke is fixedly installed on the second U-shaped bracket.

IPC Classes  ?

• H01H 50/28 - Parts movable due to bending of a blade spring or reed
• H01H 1/54 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 53/04 - Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in ferromagnetic parts

Abstract

The present application provides a switching device, comprising a contact system. The contact system comprises two contact groups. The two contact groups are respectively an arc-resistant end contact group and a current-carrying end contact group, and each of the two contact groups comprises at least one pair of dynamic and static contacts. When the contact system is disconnected, a gap between the dynamic and static contacts of the arc-resistant end contact group is smaller than a gap between the dynamic and static contacts of the current-carrying end contact group. A permanent magnet is arranged on the periphery of the arc-resistant end contact group, so that, for the contact system designed as an anti-short circuit structure having a double-contact parallel circuit, on the basis of having a capability of carrying a large current, the technical effect of magnetic blow-out can already be achieved without providing permanent magnets on the periphery of each contact group among the two contact groups, thereby simplifying the structure of a relay, saving raw materials, and enabling the layout of the relay to be more compact.

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
• H01H 9/34 - Stationary parts for restricting or subdividing the arc, e.g. barrier plate

Abstract

A DC relay for anti-short circuit current and arc extinction including two static contact leading-out ends, a pushing rod assembly, a movable contact piece and three permanent magnets. Two of the three permanent magnets are respectively arranged at two sides of the movable contact piece in a width direction and are adjacent to one of two movable contacts of the movable contact piece; magnetic polarities of two permanent magnets facing the movable contact are the same; the third permanent magnet is arranged on one side of the movable contact piece in a length direction and is adjacent to another movable contact and a polarity face of the third permanent magnet is substantially perpendicular to the polarity faces of the two permanent magnets, so that an Lorentz force generated by the movable contact piece in an arc extinction magnetic field formed by the three permanent magnets is substantially zero.

IPC Classes  ?

• H01H 50/28 - Parts movable due to bending of a blade spring or reed
• H01H 1/54 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position by magnetic force
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 53/04 - Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in ferromagnetic parts

Abstract

Provided in the present application is a magnetic latching relay, including a bottom plate, a housing, a first lead-out pin, a second lead-out pin, a coil lead-out pin, a magnetic circuit system and a contact system, wherein the contact system uses a double-contact anti-short-circuit structure; the housing and the bottom plate enclose the magnetic circuit system and the contact system in an internal space; and the first lead-out pin, the second lead-out pin and the coil lead-out pin penetrate the bottom surface of a base so as to be led out downwards, so that subsequent mounting and wiring of an electromagnetic relay can be facilitated, thereby also facilitating mounting and use by a customer. Moreover, the housing is mounted and fitted with the base, so that a closed space can be formed, thereby better protecting internal devices, and improving the adaptability of the electromagnetic relay to severe external environments. In addition, after the housing is mounted and fitted with the base, an adhesive can be dispensed on the bottom surface of the base to perform sealing, thereby further improving the leakproofness of the electromagnetic relay and the adaptability to external environments.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/44 - Magnetic coils or windings
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 50/02 - BasesCasingsCovers
• H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Abstract

Provided in the present disclosure is a magnetic latching relay, comprising a base, a micro-switch and a magnetic circuit structure, wherein the micro-switch is arranged on the base, and the micro-switch comprises a housing and an elastic sheet, the elastic sheet extending from the housing in a direction away from the housing; the magnetic circuit structure comprises an armature, a permanent magnet and an injection-molded member; and the injection-molded member comprises: a main body portion, which wraps around the permanent magnet and part of the armature, the permanent magnet being capable of swinging; and a shifting portion, which is integrally injection-molded with the main body portion, the shifting portion being provided with a protrusion protruding towards the elastic sheet. When the permanent magnet swings in a direction close to the micro-switch, the protrusion moves in a direction close to the elastic sheet to drive the elastic sheet to move in a direction close to the housing, such that the micro-switch is turned on; and when the permanent magnet swings in a direction away from the micro-switch, the protrusion moves in a direction away from the elastic sheet, and the elastic sheet is reset, such that the micro-switch is turned off. The magnetic latching relay in the present disclosure enables the micro-switch to be more accurately monitored, and same can have a prolonged service life and save on space.

IPC Classes  ?

• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/08 - IndicatorsDistinguishing marks
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

The present application provides a compression spring and a magnetic latching relay. The compression spring comprises a fixed portion and an elastic portion. The elastic portion is connected to the fixed portion, an angle is formed between the elastic portion and the fixed portion, and the angle is an obtuse angle; the elastic portion is provided with at least one bending structure. According to the compression spring provided by embodiments of the present application, by providing the bending structure, the modulus of elasticity of the elastic portion can be reduced. When the compression spring is applied to a relay and a short-circuit current is generated, the compression spring can be prevented from tilting, thereby maintaining the stability of the on-state of the relay.

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 50/54 - Contact arrangements
• H01H 1/50 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position

Abstract

The present disclosure relates to the technical field of electronic control devices, specifically to a push rod assembly, a manufacturing method thereof and a relay. The push rod assembly includes a push rod, an auxiliary movable contact part and an isolation cover. The auxiliary movable contact part includes an auxiliary movable contact piece and an auxiliary movable contact provided on an end portion of the auxiliary movable contact piece. The isolation cover is connected to the push rod and the auxiliary movable contact piece, so as to follow the push rod. The isolation cover covers the auxiliary movable contact to isolate the auxiliary movable contact from a main movable contact part. The isolation cover is configured to extend a creepage distance from the main movable contact part to the auxiliary movable contact part.

IPC Classes  ?

• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 49/00 - Apparatus or processes specially adapted to the manufacture of relays or parts thereof
• H01H 50/02 - BasesCasingsCovers
• H01H 50/54 - Contact arrangements
• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature

Abstract

Provided in the embodiments of the present disclosure are a magnetic latching relay, comprising: a base, a contact structure, a first stationary spring lead-out member, a coil assembly and a magnetic circuit structure, wherein the contact structure is arranged on the base, the contact structure has a first end and a second end in a transverse direction, the first end is provided with a first contact group, and the second end is provided with a second contact group; one end of the first stationary spring lead-out member is connected to the first end, and the other end of the first stationary spring lead-out member extends out of the base from the bottom of the base in a vertical direction; the coil assembly and the magnetic circuit structure are arranged on the base and are located on the side of the contact structure in a longitudinal direction; and when a pulse voltage is applied to the coil assembly, the magnetic circuit structure and the coil assembly can form a constant magnetic field, a first center line of the constant magnetic field in the longitudinal direction deviates from a second center line between the first contact group and the second contact group, and is closer to the second contact group, such that the constant magnetic field is far away from the first stationary spring lead-out member. The magnetic latching relay of the present disclosure has a higher stability.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/44 - Magnetic coils or windings
• H01H 50/54 - Contact arrangements
• H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Abstract

Provided in the embodiments of the present disclosure are a lead-out structure and a magnetic latching relay. The lead-out structure comprises a lead-out member and at least one auxiliary member. The lead-out member comprises a first lead-out portion and a second lead-out portion, wherein one end of the second lead-out member is connected to one side of the first lead-out portion; in the direction of width of the lead-out member, the width of the second lead-out portion is less than the width of the first lead-out portion; the first lead-out portion is configured to electrically connect to a static spring portion of a relay; and the at least one auxiliary member is fixedly connected to the second lead-out portion. The lead-out member is formed by means of a stamping process, and the auxiliary member is formed using the remaining material after forming the lead-out member by means of the stamping process. The lead-out structure of the present disclosure enables the preparation process to be simplified, allows a load circuit to have a reduced impedance, and has an increased current-carrying area which helps reduce temperature rise, while also saving on materials and reducing costs.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Abstract

The present disclosure provides a magnetic latching relay, comprising a base, contact structures, first static reed lead-out members, a coil assembly, and a magnetic circuit structure. The contact structures are arranged on the base; the contact structures each have a first end and a second end in a transverse direction; the first static reed lead-out members each comprise a first lead-out part and a second lead-out part; the first lead-out part is connected to the first end of the corresponding contact structure; the second lead-out part is connected to the first lead-out part and extends out of the base in a vertical direction from the bottom of the base; a guide groove is formed in the first lead-out part; the guide groove extends transversely from the side of the first lead-out part close to the second end and does not run through the first lead-out part; an opening of the guide groove faces the second end; and the coil assembly and the magnetic circuit structure are arranged on the base and located on one side of the contact structure in a longitudinal direction. The magnetic latching relay of the present disclosure has higher stability.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/44 - Magnetic coils or windings
• H01H 50/54 - Contact arrangements
• H01H 51/01 - Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field

Abstract

Provided in the present disclosure is a switch appliance, comprising a housing and at least one lead-out piece, wherein each lead-out piece is provided with a lead-out end. The switch appliance further comprises a locking mounting platform, wherein the locking mounting platform is attached to the housing, and at least one local surface of at least one of the lead-out ends can abut against and be mounted on the locking mounting platform; and by means of the abutting support of the locking mounting platform, the lead-out ends can be stably locked to the locking mounting platform together with a conductor connector. By means of the provision of the locking mounting platform, after the lead-out ends are locked to and fitted with the housing, the housing as a whole bears most of the torsional force, and the housing as a whole bears the wire pulling force during mounting, such that the tensile strength of the lead-out ends during locking is improved, thus avoiding the problem of functional failure of the apparatus caused by the lead-out ends and the housing being broken and falling off when pulled by an uncontrollable external force, and the "electromechanical" separation function of a relay in terms of mounting is also achieved.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case

Abstract

A quantifiable electromagnetic relay includes a housing, a PCB board, and two leading-out pieces extending from an inside to a first side of the housing and connected to a contact assembly inside the housing; one leading-out piece includes a plate-like sampling resistor piece made of high resistivity materials and conductive pieces connected at two ends of the sampling resistor piece, two sampling pins extending in the same direction are arranged at the two ends of the sampling resistor piece; the PCB board is connected to two sampling pins; a through-hole is provided in the sampling resistor piece. An induced current generated by a first closed loop formed by the through-hole offsets an induced current generated by a second closed loop formed by the sampling resistor piece, the sampling pins, and the PCB board in the external alternating magnetic field, thereby enhancing the relay's ability to resist interference.

IPC Classes  ?

• G01R 22/06 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
• H01H 50/02 - BasesCasingsCovers
• H01H 50/14 - Terminal arrangements
• H01H 50/44 - Magnetic coils or windings
• H01H 50/54 - Contact arrangements

Abstract

The present disclosure provides a connecting structure of a yoke and an iron core, a coil assembly, and a relay. The yoke and the iron core are provided, respectively, with a yoke assembly surface and an iron core assembly end corresponding to one another. One of the yoke assembly surface and the iron core assembly end is provided with a protrusion, and the other one is provided with a recessed hole, so that the yoke and the iron core are connected by means of a male/female-insertion interference fit between the protrusion and the recessed hole. End portions of the yoke and the iron core of the present disclosure are connected by means of a male/female-connection tight interference fit between a protrusion and a recessed hole matching one another, and the connecting position is located at an inner side position of the yoke assembly surface, so that the problem of magnetic leakage occurring at a riveting position due to existing yokes and iron cores being connected by means of riveting can be effectively alleviated, which can ensure that a magnetic field circulates inside of a magnetic circuit as much as possible.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/44 - Magnetic coils or windings

Abstract

A relay includes a pair of static contact leading-out terminals; a plurality of movable contact pieces, two ends of each of the movable contact pieces along a first direction is configured to contact with or separate from the pair of static contact leading-out terminals; the first direction is an arrangement direction of the pair of static contact leading-out terminals; wherein a contact gap between at least one of the plurality of movable contact pieces and the static contact leading-out terminal is smaller than contact gaps between remaining movable contact pieces of the plurality of movable contact pieces and the static contact leading-out terminal; and an anti-short circuit structure for forming suction forces on the plurality of movable contact pieces in a contact closing direction; wherein the suction force on the movable contact piece with a smaller contact gap is smaller than the suction forces on the remaining movable contact pieces.

IPC Classes  ?

• H01H 50/54 - Contact arrangements

Abstract

A relay includes a movable contact assembly comprising a movable contact piece; a push rod assembly configured to push the movable contact assembly to move, to make the movable contact piece contact with or separate from a static contact leading-out terminal; a limiting component connected to the movable contact assembly and the push rod assembly, and configured to restrict the movable contact assembly from rotating around an axis of the push rod assembly relative to the push rod assembly; and an elastic assembly configured to provide a contact pressure.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

The present application discloses a relay, comprising a pair of static contact lead-out ends, a movable reed assembly, a push rod assembly and an anti-rotation mechanism. The movable reed assembly comprises a movable reed, and two ends of the movable reed in a first direction are adapted to be in contact with or separated from the pair of static contact lead-out ends respectively. The first direction is the arrangement direction of the pair of static contact lead-out ends. The push rod assembly is used for pushing the movable reed assembly to move, so that the movable reed is in contact with or separated from the static contact lead-out ends. The anti-rotation mechanism is connected to the movable reed assembly and/or the push rod assembly and is used for limiting rotation of the movable reed assembly relative to the push rod assembly around the axis of the push rod assembly.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/14 - Terminal arrangements

Abstract

A relay includes a movable contact assembly including a movable contact piece; a push rod assembly configured to push the movable contact assembly to move so that the movable contact piece contacts with or separates from a static contact leading-out terminal; and an elastic assembly connected to the push rod assembly through a first anti-rotation structure and connected to the movable contact assembly through a second anti-rotation structure, the elastic assembly is configured to provide contact pressure and to limit the movable contact assembly from rotating relative to the push rod assembly around an axis of the push rod assembly.

IPC Classes  ?

• H01H 45/02 - BasesCasingsCovers
• H01H 45/14 - Terminal arrangements

Abstract

A relay includes a pair of static contact leading-out terminals; a movable contact assembly including a movable contact piece are configured to contact with or separate from the pair of static contact leading-out terminals along a first direction; the movable contact assembly has a first and a second side surfaces along a third direction; wherein a moving direction of the movable contact piece, the first direction, and the third direction are perpendicular with each other; a push rod assembly including a contact bracket; the contact bracket has a first side wall corresponding to the first side surface and a second side wall corresponding to the second side surface along the third direction; and an anti-rotation structure including a first anti-rotation piece located between the first side wall and the first side surface and a second anti-rotation piece located between the second side wall and the second side surface.

IPC Classes  ?

• H01H 45/02 - BasesCasingsCovers
• H01H 45/14 - Terminal arrangements

Abstract

A high-voltage direct-current relay, comprising a pair of fixed contact lead-out ends, a push rod assembly, a plurality of movable reed assemblies, a magnetic conductive assembly and an elastic assembly. Each movable reed assembly comprises a movable reed; the plurality of movable reeds are arranged side by side; and two ends of each movable reed in a first direction are configured to be in contact with or separated from the pair of fixed contact lead-out ends, respectively, wherein the first direction is the direction in which the pair of fixed contact lead-out ends are arranged. The magnetic conductive assembly is arranged on the side of the plurality of movable reeds facing the fixed contact lead-out ends, and is used for resisting an electric repulsion force between contacts. The elastic assembly is connected to the plurality of movable reed assemblies and the push rod assembly, and is used for providing a contact pressure.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/14 - Terminal arrangements

Abstract

A relay, comprising a push rod assembly, a movable spring assembly and an elastic assembly. The movable spring assembly comprises a movable spring plate, and the elastic assembly is connected to the movable spring assembly and the push rod assembly, the elastic assembly being used for providing contact pressure for the movable spring plate. During an overstroke process, the push rod assembly presses the elastic assembly, and the positions thereof relative to the movable spring plate have an overstroke initial position, an overstroke ending position and a transition position located between the overstroke initial position and the overstroke ending position; during a process in which the push rod assembly moves from the overstroke initial position to the transition position, the elastic assembly has a first stiffness coefficient; during a process in which the push rod assembly moves from the transition position to the overstroke ending position, the elastic assembly has a second stiffness coefficient, the first stiffness coefficient being smaller than the second stiffness coefficient.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/14 - Terminal arrangements

Abstract

A relay, comprising a pair of static contact lead-out terminals, a plurality of movable spring sheets, and a plurality of spacers, wherein two ends of each movable spring sheet in a first direction are respectively in contact with or separated from the pair of static contact lead-out terminals; the first direction is the arrangement direction of the pair of static contact lead-out terminals; the movement direction of the movable spring sheets is defined as a second direction; the number of the plurality of spacers corresponds to the number of the plurality of movable spring sheets; each spacer comprises a top portion and two side portions, the top portion being located on the side of the corresponding movable spring sheet that faces the static contact lead-out terminal, and the two side portions being respectively connected to the two sides of the top portion in a third direction and extending from the top portion in the direction away from the static contact lead-out terminal; and the two side portions of the spacer are respectively located on the two sides of the same movable spring sheet in the third direction. The first direction, the second direction and the third direction are perpendicular to each other.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/14 - Terminal arrangements

Abstract

A relay, comprising static contact lead-out ends, a movable spring assembly, a push rod assembly, a first anti-rotation component and a second anti-rotation component. The movable spring assembly comprises a movable spring strip, two ends of the movable spring strip in a first direction being respectively used for contacting with or separating from the pair of static contact lead-out ends, the first direction being an arrangement direction of the pair of static contact lead-out ends, and a moving direction of the movable spring strip being defined as a second direction. The movable spring assembly has a first side face and a second side face which are oppositely arranged in a third direction perpendicular to the first direction and the second direction. The push rod assembly comprises a contact support provided with a first side wall and a second side wall which are oppositely arranged in the third direction, the first side wall corresponding to the first side face, and the second side wall corresponding to the second side face. The first anti-rotation component comprises a first magnet and a second magnet, magnetic poles of the first magnet and the second magnet facing each other being like poles; and the second anti-rotation component comprises a third magnet and a fourth magnet, the magnetic poles of the third magnet and the fourth magnet facing each other being like poles.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/14 - Terminal arrangements

Abstract

The present disclosure provides a vacuum circuit breaker, comprising an embedded pole (200). The embedded pole (200) comprises a static conductive portion (210) and a movable conductive portion (220). The movable conductive portion (220) is configured to adjustably move towards the static conductive portion (210) and to be contact with the static conductive portion (210) to realize a closing action of the vacuum circuit breaker; the embedded pole (200) further comprises a cushioning energy-absorbing mechanism, the cushioning energy-absorbing mechanism comprises a movable member (250), the movable member (250) is movably connected to the static conductive portion (210), and the cushioning energy-absorbing mechanism is configured to absorb impact energy generated when the static conductive portion (210) is in contact with the movable conductive portion (220). By means of the design, the present disclosure uses the design of movable connection between the movable member (250) and the static conductive portion (210) to achieve a cushioning function, thereby absorbing and consuming surplus energy generated by the closing action and transmitted to the static conductive portion (210).

IPC Classes  ?

• H01H 33/66 - Vacuum switches

Abstract

Provided in the present disclosure is a vacuum circuit breaker, comprising: a solid-insulation-embedded pole (200). The solid-insulation-embedded pole (200) comprises a static conductive assembly (210) and a dynamic conductive assembly (220), the dynamic conductive assembly (220) being configured to adjustably move towards the static conductive assembly (210) and come into contact with the static conductive assembly (210) thus realizing a closing action of the vacuum circuit breaker. The solid-insulation-embedded pole (200) further comprises an energy-absorption buffering mechanism, the energy-absorption buffering mechanism comprising a first movable member and a second movable member, wherein the first movable member is located on the side of the static conductive assembly (210) facing away from the dynamic conductive assembly (220), and the second movable member is located on the side of the static conductive assembly (210) facing away from the dynamic conductive assembly (220) and is movably connected to the static conductive assembly (210), the second movable member being movably connected to the first movable member; the energy-absorption buffering mechanism is used for absorbing impact energy generated when the static conductive assembly (210) comes into contact with the dynamic conductive assembly (220). By means of the above design, the present disclosure uses the design of movable connection between the first movable member and static conductive assembly (210) and the design of movable connection between the second movable member and first movable member to construct a buffering structure having two degrees of freedom, thus achieving a buffer function in the aforementioned two degrees of freedom.

IPC Classes  ?

• H01H 33/66 - Vacuum switches
• H01H 3/60 - Mechanical arrangements for preventing or damping vibration or shock
• H01H 9/52 - Cooling of switch parts

Abstract

Disclosed in the present invention are a magnetic circuit part having an enhanced initial electromagnetic attraction force, and a high-voltage direct-current relay. The magnetic circuit part comprises a coil, a movable magnetic conductor and a static magnetic conductor, wherein the coil, the movable magnetic conductor and the static magnetic conductor are respectively mounted at suitable positions, such that a magnetic pole surface of the movable magnetic conductor and a magnetic pole surface of the static magnetic conductor are in opposite positions with a preset magnetic gap; and one of the two magnetic pole surfaces is provided with a protrusion that protrudes toward the other magnetic pole surface, and the other magnetic pole surface is provided, at a position corresponding to the protrusion, with a recess in which the protrusion of one of the magnetic pole surfaces can be embedded when the movable magnetic conductor and the static magnetic conductor attract each other. According to the present invention, the initial electromagnetic attraction force can be enhanced under the same volume and power consumption of the coil; or under the same initial electromagnetic attraction force, the volume of the coil is reduced, and the power consumption of the coil is decreased.

IPC Classes  ?

• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

A switch apparatus having pyrotechnic actuator includes a itch body and the pyrotechnic actuator. The switch body includes a static contact part which is fixed and a movable contact part which is movable. The pyrotechnic actuator is an independent modular construction and is fixedly mounted on the switch body from the outside of the switch body. The pyrotechnic actuator can ignite gunpowder to generate an explosive impact force that pushes the movable contact part away from the static contact part according to the load condition of the switch body, so as to assist the switch apparatus to be quickly disconnected.

IPC Classes  ?

• H01H 50/64 - Driving arrangements between movable part of magnetic circuit and contact
• H01H 50/02 - BasesCasingsCovers
• H01H 50/54 - Contact arrangements

Abstract

The present disclosure relates to the technical field of power, and provides an arc isolation structure, a contact unit, and a relay. The arc isolation structure comprises a first arc isolation member, the first arc isolation member being arranged on the exterior of a static contact lead-out end, and a pair of static contact lead-out ends being in contact with or separated from a moving reed; a first step and/or a first gap are/is arranged between the first arc isolation member and the static contact lead-out end so as to obstruct arc transfer. The first step and/or the first gap may prevent an arc from transferring towards a direction in which the pair of static contact lead-out ends are close to and facing one another, preventing the occurrence of a situation that two sets of moving contacts and static contacts between the moving reed and the pair of static contact lead-out ends generate arc shorting and short-circuiting. The first step and/or the first gap may prevent an arc from transferring upwards along outer walls of the static contact lead-out ends in a direction away from the moving reed, further reducing ablation of the outer walls of the static contact lead-out ends by the arc, and improving an arc extinguishing capability and effect, so as to improve break-off capabilities between moving contacts and static contacts corresponding to the moving reed and the static contact lead-out ends.

IPC Classes  ?

• H01H 9/34 - Stationary parts for restricting or subdividing the arc, e.g. barrier plate
• H01H 50/56 - Contact spring sets
• H01H 50/14 - Terminal arrangements
• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet

Abstract

A contact part for a relay includes two sets of movable contact parts, each set of the movable contact parts including a movable contact piece, a movable contact unit disposed on the movable contact piece, and a static contact unit, two movable contact units of the contact part corresponding to two static contact units of the contact part, respectively. Wherein when the contact part is in a disconnected state, a contact gap between the movable contact unit and the static contact unit corresponding to each other in one set is smaller than a contact gap between the movable contact unit and the static contact unit corresponding to each other in the other set.

IPC Classes  ?

• H01H 50/54 - Contact arrangements

Abstract

A relay includes a base, a contact part disposed on the base and including two sets of movable contact part, a push rod assembly including a first push rod and a second push rod respectively connected to two sets of movable contact parts, and a magnetic circuit part including a coil assembly and an armature assembly. The armature assembly is pivotally connected to the base around a pivot point, and includes a first driving end connected to the first push rod to form a first force point and a second driving end connected to the second push rod to form a second force point. The distance between the first force point and the pivot point is not equal to the distance between the second force point and the pivot point.

IPC Classes  ?

• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/54 - Contact arrangements

Abstract

A magnetic latching relay includes a base having a receiving chamber with a first sidewall extending in a longitudinal direction and a second sidewall extending in a transverse direction, and connected with the first sidewall; a coil assembly in the receiving chamber in the transverse direction and having a first end adjacent to the first sidewall; and a fixing frame on the base. The fixing frame has a first side close to the coil assembly, and is in sealed contact with the first end of the coil assembly, and a side of the fixing frame facing the first sidewall is in sealed contact with the first sidewall, forming a first glue dispensing port surrounded by the first sidewall, the second sidewall, the first end of the coil assembly, and the fixing frame.

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke

Abstract

A contact piece structure includes two movable contact pieces arranged side by side. Each movable contact piece includes a piece body, a movable contact and a static contact located at opposite ends of the piece body. The movable contact and the static contact of one of the movable contact pieces correspond to the static contact and the movable contact of the other movable contact piece respectively so as to form a parallel circuit structure when the contacts being in contact; Bending portions of two piece bodies are arranged one-to-one to form a bending pair; in each of the bending pairs, top ends of two bending portions are parallel with each other; two bending portions protrude along a same protruding direction, a first distance between the two bending portions is smaller than a second distance between the two ends of two piece bodies.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 51/10 - Contacts retained open or closed by a mechanical latch which is controlled by an electromagnet

Abstract

A fixing frame for fixing at least a permanent magnet of a magnetic latching relay includes a body having shaft hole for installing a rotating shaft of a permanent magnet; at least one longitudinal limit part arranged on the body including two vertical limit columns arranged oppositely along a longitudinal direction, two vertical limit columns clamp a yoke of the magnetic latching relay and fit with the yoke without clearance in the longitudinal direction; and at least one transverse limit structure arranged on the body and fitted with a transverse fit structure of the magnetic latching relay without clearance in a transverse direction; wherein the transverse direction is perpendicular to the longitudinal direction.

IPC Classes  ?

• H01H 51/10 - Contacts retained open or closed by a mechanical latch which is controlled by an electromagnet
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke

Abstract

A contact piece structure includes a piece body having a slot. The slot has opposite first and second sidewalls. The first sidewall has a first plane portion and a protrusion, the second sidewall has a second plane portion and a recess recessed into the second plane portion and corresponding to the protrusion. A first distance from a top end of the protrusion of the first sidewall to a plane where the second plane portion is positioned is less than a thickness of the piece body.

IPC Classes  ?

• H01H 50/54 - Contact arrangements

Abstract

A relay includes a base having a first contact area, a second contact area and a middle area between the first contact area and the second contact area; a pair of contact parts respectively arranged in the first contact area and the second contact area; each contact part including two sets of the movable contact part, each set of the movable contact part including a movable contact piece with a movable contact and a static contact on both ends, two movable contacts corresponding to two static contacts respectively in each contact part; and a magnetic circuit part on the middle area of the base for drive four movable contact pieces of the pair of contact parts through a push rod assembly to move, thereby realizing connection or disconnection of the movable contact and the static contact.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

A relay includes a contact part including two sets of movable contact parts, each set including a movable contact piece, a movable contact unit, a static contact unit and a movable contact leading-out piece, at least one movable contact leading-out pieces is provided with an avoidance notch; the static contact unit having the avoidance notch including at least two static contacts; and a push rod assembly including a first and second push rods, the first push rod being movably passing through the avoidance notch of one of the movable contact leading-out pieces and connected with the movable contact piece of the other the movable contact part; the second push rod being connected with the movable contact piece of the movable contact part.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

A relay, includes a base; a contact part disposed on the base and including two sets of movable contact parts, each set of the movable contact parts including a movable contact piece, a movable contact unit and a static contact unit, stiffnesses of two movable contact pieces are difference; a push rod assembly including a first push rod and a second push rod respectively connected to the two movable contact pieces; and a magnetic circuit part arranged on the base for driving the movements of the first push rod and the second push rod in an opposite directions, so as to drive the two movable contact pieces to come into contact or move away from each other, achieving contact or separation between the static contact unit and the movable contact unit.

IPC Classes  ?

• H01H 50/58 - Driving arrangements structurally associated therewithMounting of driving arrangement on armature
• H01H 50/34 - Means for adjusting limits of movementMechanical means for adjusting returning force

Abstract

A relay includes a base, a contact part disposed on the base and including two sets of movable contact parts, each set including a movable contact piece, a movable contact unit and a static contact unit; a push rod assembly connected to two movable contact pieces; and a magnetic circuit part arranged on the base for driving the movements of the push rod assembly, so as to drive two movable contact pieces to come into contact or move away from each other, thus the contact part can transit between a connected state and disconnected state. When the contact part is in the connected state, one movable contact piece is deformed under an action of the push rod assembly and has an elastic force, which makes the movable contact piece has a moving tendency to disconnect the contacts.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature

Abstract

A high-voltage DC relay for enhancing arc extinguishing capability includes two static contact leading-out terminals; a movable contact piece arranged under the two static contact leading-out terminals; two first permanent magnets respectively arranged at outer side of two ends of the movable contact piece in a length direction; two second permanent magnets respectively arranged on the movable contact piece between the two static contact leading-out terminals at positions where the movable contacts are in contact with the static contacts, and sides having polarity of the second permanent magnets facing the corresponding first permanent magnets, and polarities of the sides having polarity of the second permanent magnets is opposite to polarities of the sides of the first permanent magnets facing the positions where the movable contacts are in contact with the static contacts.

IPC Classes  ?

• H01H 9/44 - Means for extinguishing or preventing arc between current-carrying parts using blow-out magnet
• H01H 1/06 - Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
• H01H 1/20 - Bridging contacts

Abstract

A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals respectively passing through the through holes; a moving part; a first magnetizer within the contact chamber and including a plurality of magnetic conductive sheets stacked with each other, the magnetic conductive sheets are connected with the moving part; and a movable member including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer can be movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/14 - Terminal arrangements
• H01H 50/02 - BasesCasingsCovers
• H01H 50/56 - Contact spring sets

Abstract

A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes; a fixing member including a fixing part and a connector with a tubular structure, the connector is fixedly connected between the insulating cover and the fixing part; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/02 - BasesCasingsCovers
• H01H 50/36 - Stationary parts of magnetic circuit, e.g. yoke
• H01H 50/60 - Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit

Abstract

A relay includes a contact container having a contact chamber and a pair of first through holes; a pair of static contact leading-out terminals passing through the pair of first through holes; a moving part; a first magnetizer within the contact chamber and connected with the moving part; a movable member movably within the contact chamber and including a movable contact piece for contacting with or separating from the static contact leading-out terminals; and a fixing magnetizer fixedly arranged within the contact chamber. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement

Abstract

A relay includes a contact container including a yoke plate and an insulating cover connected with the yoke plate to form a contact chamber; a pair of static contact leading-out terminals passing through a pair of first through holes of the insulating cover; a fixing member within the contact container and fixedly connected with the yoke plate; a movable member within the contact chamber and including a movable contact piece configured to come into contacted with or separated from the pair of static contact leading-out terminals; a moving part movable connected to the fixing member; and a first magnetizer connected with the moving part. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
• H01H 50/02 - BasesCasingsCovers

Abstract

A relay includes a contact container having a contact chamber and a pair of first through holes, a pair of static contact leading-out terminals respectively passing through the pair of first through holes, a moving part, a first magnetizer within the contact chamber and connected with the moving part; and a movable member including a movable contact piece and a second magnetizer. The movable contact piece may contact with or separate from the pair of static contact leading-out terminals. The first and second magnetizers are arranged at opposite sides of the movable contact piece and formed a magnetic circuit. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the second magnetizer according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement

Abstract

A relay includes a contact container having a contact chamber and a pair of first through holes in communication with the contact chamber, a pair of static contact leading-out terminals passing through the pair of first through holes, respectively, a moving part movable relative to the contact container, a first magnetizer within the contact chamber and connected with the moving part; and a movable member within the contact chamber and including a movable contact piece. The first magnetizer is arranged at one side of the movable contact piece facing the static contact leading-out terminals. The first magnetizer is movable relative to the movable contact piece through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 50/14 - Terminal arrangements
• H01H 50/24 - Parts rotatable or rockable outside coil

Abstract

A relay includes an insulating cover having a contact chamber and a pair of first through holes in communication with the contact chamber; a pair of static contact leading-out terminals passing through the pair of first through holes, respectively; a fixing member within the contact chamber and fixedly connected with the insulating cover; a moving part within the contact chamber and movably connected to the fixing member; a first magnetizer within the contact chamber and connected with the moving part; and a movable member movably within the contact chamber and including a movable contact piece. The first magnetizer is movable relative to the movable member through the moving part and is configured to adjust a distance between the first magnetizer and the movable member according to a value of a current flowing through the movable contact piece.

IPC Classes  ?

• H01H 50/24 - Parts rotatable or rockable outside coil
• H01H 50/14 - Terminal arrangements