Abrégé

A circuit breaker is disclosed. A circuit breaker according to an aspect of the present invention comprises: a main contact part electrically connected to the outside; and a sub-contact part positioned adjacent to the main contact part and configured to measure a voltage electrically applied across the main contact part. The main contact part may comprise: a fixed contact at least partially exposed to the outside; and a movable contact configured to be movable in a direction toward the fixed contact and in a direction opposite to the fixed contact. The sub-contact part may comprise: a PCB member configured to be electrically connected to the outside and include a sensor member for measuring the voltage; and a connection member electrically connected to the PCB member and extending toward the movable contact to electrically contact the movable contact.

Classes IPC  ?

• H01H 71/02 - BoîtiersEnveloppesSoclesGarnitures
• H01H 71/08 - BornesConnexions
• H01H 9/34 - Éléments fixes pour restreindre ou sous-diviser l'arc, p. ex. plaques-barrières

Abrégé

The present invention relates to a battery disconnect unit for delivering or disconnecting power of a battery to a load. The battery disconnect unit according to the present invention comprises: a first main relay connected between a positive terminal of a battery and a positive terminal of an inverter; a second main relay connected between a negative terminal of the battery and a negative terminal of the inverter; a pre-charge relay connected in parallel with the first main relay and configured to pre-charge a DC link capacitor connected in parallel with the inverter; and a control unit comprising one or more processors and a memory, and configured to control connection or disconnection of the first main relay, the second main relay, and the pre-charge relay, wherein the first main relay and the pre-charge relay are configured as different types of relays, thereby increasing reliability of the battery disconnect unit.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
• B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie

Abrégé

The present invention relates to a switching device including a data communication function. The switching device, according to the present invention, comprises: a relay; a sensor unit for measuring a state of a circuit to which the relay is connected; a communication unit; and a control unit for controlling the relay, wherein the control unit transmits data measured using the sensor unit via the communication unit, thereby enabling removal of a wire harness for sensor data transmission, which reduces assembly complexity and reduces system defects caused by damage to the wire harness.

Classes IPC  ?

• H04L 12/40 - Réseaux à ligne bus
• H01H 50/54 - Dispositions de contact
• G01R 19/00 - Dispositions pour procéder aux mesures de courant ou de tension ou pour en indiquer l'existence ou le signe
• H04B 3/54 - Systèmes de transmission par lignes de réseau de distribution d'énergie
• H04L 25/02 - Systèmes à bande de base Détails
• B60L 58/10 - Procédés ou agencements de circuits pour surveiller ou commander des batteries ou des piles à combustible, spécialement adaptés pour des véhicules électriques pour la surveillance et la commande des batteries

Abrégé

The present invention relates to a battery disconnect unit for delivering or disconnecting power of a battery to a load. The battery disconnect unit according to the present invention comprises: a printed circuit board; a relay coupled to a first area of the printed circuit board so as to connect or disconnect power of a battery; and a control unit comprising one or more processors and a memory, and coupled to a second area of the printed circuit board so as to control the relay, wherein the printed circuit board includes an insulation area for electrically insulating the first area and the second area of the printed circuit board, thereby enabling maintenance of electrical insulation between components located in the first area and components located in the second area and implementation of the battery disconnect unit on a single printed circuit board.

Classes IPC  ?

• H02J 7/00 - Circuits pour la charge ou la dépolarisation des batteries ou pour alimenter des charges par des batteries
• H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ
• B60L 3/00 - Dispositifs électriques de sécurité sur véhicules propulsés électriquementContrôle des paramètres de fonctionnement, p. ex. de la vitesse, de la décélération ou de la consommation d’énergie

Abrégé

A resistor case and a battery control unit including same are disclosed. According to an aspect of the present invention, the resistance case may comprise: a resistance member electrically connected to the outside; a resistor housing for accommodating the resistor member; and a resistor cover member covering the resistor member and coupled to the resistor housing, wherein the resistor member includes a resistor body having a length in one direction and a width in the other direction, the resistor housing includes: a housing space formed therein and accommodating the resistor member; a housing bottom surface surrounding the housing space from the lower side thereof; and a stepped portion continuous with the housing bottom surface and formed higher than the housing bottom surface along the longitudinal direction of the resistor member, and the lower side of the resistor body is supported by one of the housing bottom surface and the stepped portion.

Classes IPC  ?

• H01M 50/202 - Boîtiers ou cadres autour du boîtier primaire d’une seule cellule ou d’une seule batterie
• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H01M 50/249 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports spécialement adaptés aux aéronefs ou aux véhicules, p. ex. aux automobiles ou aux trains
• H01M 50/258 - Batteries modulairesBoîtiers pourvus de moyens d’assemblage

Abrégé

Disclosed are a relay assembly and a battery control unit including same. The relay assembly according to an aspect of the present invention comprises: a relay cover having a space formed therein; a BDU coupling part detachably coupled to the relay cover; and an arc chamber supported by the BDU coupling part and accommodated in the space of the relay cover, wherein the relay cover may include: a cover body in which the space is formed; a plurality of coupling arms extending from respective sides of the cover body in one direction, toward the BDU coupling part; and first coupling parts respectively formed on the plurality of coupling arms, and the BDU coupling part may include: a plurality of surfaces having a thickness in the one direction; and second coupling parts respectively formed on the plurality of surfaces and coupled to the first coupling parts.

Classes IPC  ?

• H01H 50/02 - SupportsEnveloppesCapots
• H01H 50/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe
• H01H 50/36 - Éléments immobiles de circuit magnétique, p. ex. culasse

Abrégé

A BMS PCB assembly and a battery control unit including same are disclosed. The BMS PCB assembly according to an aspect of the present invention may comprise: a first PCB conductibly connected to an external BDU assembly; a second PCB conductibly coupled to the first PCB; and an insulating member located between the first PCB and the second PCB, and coupled to each of the first PCB and the second PCB, wherein the first PCB, the insulating member, and the second PCB are sequentially stacked in a height direction.

Classes IPC  ?

• H01M 10/42 - Procédés ou dispositions pour assurer le fonctionnement ou l'entretien des éléments secondaires ou des demi-éléments secondaires
• H05K 1/14 - Association structurale de plusieurs circuits imprimés

Abrégé

The present invention relates to a battery disconnect unit using an active switch, the battery disconnect unit comprising: a main switch that supplies, to an inverter, power from a battery to drive a motor; and a precharge line connected in parallel with the main switch to precharge a DC-link capacitor, wherein the precharge line includes a precharge switch, which is a power semiconductor device, and an inductor that are connected in series with each other such that the DC-link capacitor can be precharged via periodic on-off operations of the precharge switch.

Classes IPC  ?

• H03K 17/06 - Modifications pour assurer un état complètement conducteur
• H03K 17/0814 - Modifications pour protéger le circuit de commutation contre la surintensité ou la surtension sans réaction du circuit de sortie vers le circuit de commande par des dispositions prises dans le circuit de sortie
• H03K 17/687 - Commutation ou ouverture de porte électronique, c.-à-d. par d'autres moyens que la fermeture et l'ouverture de contacts caractérisée par l'utilisation de composants spécifiés par l'utilisation, comme éléments actifs, de dispositifs à semi-conducteurs les dispositifs étant des transistors à effet de champ

Abrégé

A relay assembly is disclosed. A relay assembly according to an aspect of the present invention may include: a first housing having a space formed therein; a second housing for supporting the first housing from one side thereof in the height direction; a control driving part coupled to the second housing and conductively connected to an external control power source; and a control module coupled to the first housing or the second housing and conductively connected to each of the control power source and the control driving part, wherein the control module includes: a control body conductively connected to the control driving part; and a terminal member conductively connected to the control body and the control power source.

Classes IPC  ?

• H01H 50/02 - SupportsEnveloppesCapots
• H01H 50/18 - Éléments mobiles de circuits magnétiques, p. ex. armature
• H01H 50/36 - Éléments immobiles de circuit magnétique, p. ex. culasse
• H01H 50/54 - Dispositions de contact

Abrégé

A magnetic contactor is disclosed. According to one aspect of the present invention, a magnetic contactor comprises: a housing having a housing space formed therein; a current-carrying member electrically connected to an external power source or a load and coupled with the housing so as to be at least partially exposed to the outside of the housing; and a temperature-sensing device coupled with the housing so as to be at least partially exposed to the outside of the housing, positioned adjacent to but spaced apart from the current-carrying member, and configured to detect heat generated from the current-carrying member, wherein the temperature-sensing device includes: a support member coupled to the housing and accommodated in the housing space; a temperature-sensing member coupled to the support member and configured to detect the heat; and a temperature-sensing terminal coupled to the support member, electrically connected to the temperature-sensing member, and at least partially exposed to the outside of the housing.

Classes IPC  ?

• H01H 47/26 - Circuits autres que ceux appropriés à une application particulière du relais et prévue pour obtenir une caractéristique de fonctionnement donnée ou pour assurer un courant d'excitation donné pour l'alimentation de la bobine du relais en courant d'excitation comprenant une entrée thermosensible
• H01H 50/12 - VentilationRéfrigérationChauffage
• G01K 7/00 - Mesure de la température basée sur l'utilisation d'éléments électriques ou magnétiques directement sensibles à la chaleur
• H01H 47/02 - Circuits autres que ceux appropriés à une application particulière du relais et prévue pour obtenir une caractéristique de fonctionnement donnée ou pour assurer un courant d'excitation donné en vue de modifier le fonctionnement du relais

Abrégé

A battery disconnect device is disclosed. The battery disconnect device according to one aspect of the present invention may comprise: a body unit on which a relay for disconnecting or supplying electricity is mounted; and a substrate, which is coupled to one surface of the body unit, is electrically connected to the relay, and includes a control unit for controlling whether the relay disconnects or supplies electricity.

Classes IPC  ?

• H01H 45/04 - Montage complet de relais ou d'éléments de relais sur un support ou à l'intérieur d'une enveloppe
• H01H 9/02 - Supports, enveloppes ou capots
• H05K 1/02 - Circuits imprimés Détails

Abrégé

Disclosed is an apparatus for fixing electric power equipment. The apparatus for fixing electric power equipment according to one aspect of the present invention comprises: a body part which accommodates the electric power equipment; a coupling part protruding from one side surface of the body part and having a coupling space; and a cover part fixed to the body part and including a coupling protrusion that protrudes, wherein the coupling protrusion can be inserted into the coupling space.

Classes IPC  ?

• H01H 9/02 - Supports, enveloppes ou capots

Abrégé

An electromagnetic contactor is disclosed. An electromagnetic contactor according to an aspect of the present invention may include: a contact point part; a housing which is coupled to the contact point part and at least partially accommodates the contact point part; and a terminal member coupled to each of the housing and the contact point part and conductively connected to the contact point part so as to monitor an electrically conductive state of the contact point part, wherein the contact point part includes a fixation contact point which is coupled to the housing such that a part thereof is exposed outside the housing and the other part thereof is accommodated in the housing, the fixation contact point being formed of an electrically conductive material; and a part of the terminal member is coupled to the part of the fixation contact point so as to be conductive to the fixation contact point, and the other part of the terminal member is exposed outside of the housing to be spaced apart from the fixation contact point.

Classes IPC  ?

• H01H 50/08 - MarquesRepères
• H01H 50/02 - SupportsEnveloppesCapots

Abrégé

Provided is a battery disconnect device. According to an aspect of the present invention, the battery disconnect device comprises: a housing including a housing body portion having a box shape and a pipe coupling portion provided on one surface of the housing body portion; a plurality of contactors disposed inside the housing body portion and electrically connected to an external power source and an external load; a busbar comprising a pipe contact portion for covering at least a portion of the pipe coupling portion, and a contactor connecting portion connected to the pipe contact portion and electrically connected to at least one of the plurality of contactors; a cooling pipe arranged so as to extend between the pipe coupling portion and the pipe contact portion and configured such that a cooling fluid can flow therein so as to receive heat generated in the busbar and discharge the heat to the outside; and a heat dissipator made of a material having a predetermined degree of elasticity or having a predetermined degree of fluidity such that, at least during installation, same can be deformed according to the shape of the space in which same is contained, and configured to surround the outer circumferential portion of the cooling pipe.

Classes IPC  ?

• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/66 - Relations d'échange de chaleur entre les éléments et d'autres systèmes, p. ex. chauffage central ou piles à combustibles
• H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
• H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
• H01M 10/625 - Véhicules
• H01M 50/574 - Dispositifs ou dispositions pour l’interruption du courant
• H01M 50/507 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie comprenant un arrangement de plusieurs barres omnibus réunies dans une structure de conteneur, p. ex. modules de barres omnibus

Abrégé

A cooling module is provided. According to an aspect of the present invention, the cooling module comprises: a heat transfer body capable of being coupled to an external busbar so as to receive heat generated in the busbar; a cooling pipe coupled to the heat transfer body and configured such that a cooling fluid can flow therein so as to receive the heat and discharge same to the outside; and a heat dissipation body having a heat absorption surface provided on one side thereof and configured to be able to contact the busbar such that the heat can be transferred from the busbar thereto, and having a heat dissipation surface provided on the other side thereof so as to contact the heat transfer body such that the transferred heat can be transferred to the heat transfer body. The heat dissipation body may be made of a material having a predetermined degree of elasticity or having a predetermined degree of fluidity such that, at least during installation, same can be deformed according to the shape of the space in which same is contained, and may be disposed between the heat transfer body and the busbar.

Classes IPC  ?

• H01M 10/613 - Refroidissement ou maintien du froid
• H01M 10/66 - Relations d'échange de chaleur entre les éléments et d'autres systèmes, p. ex. chauffage central ou piles à combustibles
• H01M 10/6556 - Composants solides comprenant des canaux d'écoulement ou des tubes pour un échange de chaleur
• H01M 10/653 - Moyens de commande de la température associés de façon structurelle avec les éléments caractérisés par des matériaux électriquement isolants ou thermiquement conducteurs
• H01M 10/625 - Véhicules
• H01M 10/6551 - Surfaces spécialement adaptées à la dissipation de la chaleur ou à la radiation, p. ex. nervures ou revêtements
• H01M 50/574 - Dispositifs ou dispositions pour l’interruption du courant
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie

Abrégé

Disclosed is an electromagnetic contactor having a structure for preventing a welding spatter from penetrating into same, and for improving operation performance. The electromagnetic contactor having a structure for improving operation performance, according to an aspect of the present invention, may comprise: a fixed contact point; a movable contact point which is positioned to be adjacent to the fixed contact point and is in contact with or spaced apart from the fixed contact point; a movable core coupled to the movable contact point so as to be movable in any one of a direction toward the movable contact point and a direction opposite to the movable contact point; a fixed core positioned between the movable contact point and the movable core and magnetized to apply a suction force to the movable core; and a magnetic body provided in an inner space provided in the movable core to add a magnetic force so as to lower an operation voltage of the movable core.

Classes IPC  ?

• H01H 50/18 - Éléments mobiles de circuits magnétiques, p. ex. armature
• H01H 50/02 - SupportsEnveloppesCapots
• H01H 47/12 - Circuits autres que ceux appropriés à une application particulière du relais et prévue pour obtenir une caractéristique de fonctionnement donnée ou pour assurer un courant d'excitation donné en vue de modifier le fonctionnement du relais par la polarisation de l'électro-aimant

Abrégé

Disclosed are a movable contact assembly and an electromagnetic contactor including same. The movable contact assembly and the electromagnetic contactor including same, according to an aspect of the present invention, comprise: a movable contact provided to be movable in a direction toward a fixed contact and a direction opposite to the fixed contact; a lower yoke which is located adjacent to the movable contact and is provided to be movable together with the movable contact; an upper yoke which partially surrounds the movable contact and is configured to form a magnetic attractive force together with the lower yoke; and an auxiliary contact housing electrically connected to an auxiliary contact, coupled to the upper yoke, and fixedly coupled to a movable frame.

Classes IPC  ?

• H01H 50/36 - Éléments immobiles de circuit magnétique, p. ex. culasse
• H01H 50/54 - Dispositions de contact

Abrégé

A battery disconnect apparatus is disclosed. The battery disconnect apparatus according to an aspect of the present invention may include: a lower case including a mounting space formed to have an open upper portion and a receiving space formed to have an open upper portion; a relay including a fixed contactor which is mounted in the mounting space through the open upper portion of the mounting space and provided to be exposed to the outside while protruding upward from a body at a predetermined height; a circuit board mounted in the receiving space through the open upper portion of the receiving space; an upper case coupled to the lower case to cover the open upper portion of the mounting space and including an upper mounting space formed at a position corresponding to the mounting space; and a buried bus bar buried in the upper case to electrically connect the fixed contactor of the relay disposed in the upper mounting space and the circuit board mounted in the receiving space in a state in which the upper case and the lower case are coupled to each other.

Classes IPC  ?

• H01R 39/00 - Collecteurs de courant rotatifs, distributeurs ou interrupteurs
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
• H01H 1/58 - Connexions électriques avec ou entre contactsBornes
• H01H 39/00 - Dispositifs de commutation actionnés par une explosion produite à l'intérieur du dispositif et amorcée par un courant électrique

Abrégé

Disclosed are a movable contact assembly and an electromagnetic contactor comprising same. The movable contact assembly according to an aspect of the present invention comprises: a movable contact provided so as to be movable in the direction toward a fixed contact and direction opposite to the fixed contact; a movable shaft which is coupled with a movable core so as allow moving together therewith, and which is coupled with the movable contact; and a movable contact support member coupled with the movable shaft and formed to at least partially surround the movable contact, wherein the movable contact is formed to have a length in one direction and a width in the other direction, and the movable contact support member may surround the movable contact along the other direction.

Classes IPC  ?

• H01H 50/54 - Dispositions de contact
• H01H 50/60 - Contact mobile combiné rigidement avec un élément mobile de circuit magnétique

Abrégé

A battery disconnect apparatus is disclosed. The battery disconnect apparatus according to an aspect of the present invention may include: a lower case including a mounting space having an opened upper portion and formed in a first axial direction which is a longitudinal direction, and a receiving space having an open upper portion and formed to be adjacent to the mounting space in a second axial direction which is a width direction while being partitioned from the mounting space by a partition wall; a plurality of relays individually mounted in the mounting space; a circuit board mounted in the receiving space through the open upper portion of the receiving space and including an external connection terminal for electrical connection to the outside; and an upper case coupled to the lower case to cover the open upper portions of the mounting space and the receiving space, wherein the circuit board is mounted in the receiving space to be disposed perpendicular to the bottom surface of the receiving space.

Classes IPC  ?

• H01R 39/00 - Collecteurs de courant rotatifs, distributeurs ou interrupteurs
• B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• H01H 1/58 - Connexions électriques avec ou entre contactsBornes
• H01H 39/00 - Dispositifs de commutation actionnés par une explosion produite à l'intérieur du dispositif et amorcée par un courant électrique

Abrégé

A movable contact assembly and an electromagnetic contactor including same are disclosed. The movable contact assembly and the electromagnetic contactor including same, according to an aspect of the present invention, may comprise: a movable contact which is provided to be movable in a direction toward a stationary contact and a direction opposite to the stationary contact; a lower yoke which is located adjacent to the movable contact and is provided to be movable along with the movable contact; and an upper yoke which partially covers the movable contact and is configured to form a magnetic attractive force together with the lower yoke; and a movable frame which is coupled to the upper yoke to support the upper yoke and to which the movable contact and the lower yoke are movably coupled.

Classes IPC  ?

• H01H 50/36 - Éléments immobiles de circuit magnétique, p. ex. culasse
• H01H 50/54 - Dispositions de contact

Abrégé

A battery disconnect apparatus is disclosed. The battery disconnect apparatus according to an aspect of the present invention may include: a lower case, of which the top portion is open and which includes mounting spaces arranged along a first axial direction, which is a lengthwise direction; a plurality of relays, each mounted in one of the mounting spaces; an upper case, which is coupled to the lower case so as to cover the open top portions of the mounting spaces and includes a plurality of upper mounting spaces at positions corresponding to the plurality of relays on an one-to-one basis; and a permanent magnet disposed in each of the plurality of upper mounting spaces to control an arc generated from the relays.

Classes IPC  ?

• H01R 39/00 - Collecteurs de courant rotatifs, distributeurs ou interrupteurs
• B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• H01H 1/58 - Connexions électriques avec ou entre contactsBornes
• H01H 39/00 - Dispositifs de commutation actionnés par une explosion produite à l'intérieur du dispositif et amorcée par un courant électrique

Abrégé

A battery disconnect apparatus is disclosed. The battery disconnect apparatus according to an aspect of the present invention comprises: a lower case including a mounting space formed to have an open upper portion and a receiving space formed to have an open upper portion; a relay mounted in the mounting space through the open upper portion thereof and including a coil terminal protruding outward from a body by a predetermined length; a circuit board mounted in the receiving space through the open upper portion thereof and including an external connection terminal for electrically connecting to the outside; and a coil terminal support portion provided in the lower case so that electricity can be stably conducted to the relay and the external connection terminal through physical contact between the coil terminal and the circuit board.

Classes IPC  ?

• H01R 39/00 - Collecteurs de courant rotatifs, distributeurs ou interrupteurs
• H01M 50/284 - MonturesBoîtiers secondaires ou cadresBâtis, modules ou blocsDispositifs de suspensionAmortisseursDispositifs de transport ou de manutentionSupports comprenant l’insertion de cartes de circuits, p. ex. de cartes de circuits imprimés
• B60L 50/64 - Détails de construction des batteries spécialement adaptées aux véhicules électriques
• H01M 50/502 - Interconnecteurs pour connecter les bornes des batteries adjacentesInterconnecteurs pour connecter les cellules en dehors d'un boîtier de batterie
• H01H 1/58 - Connexions électriques avec ou entre contactsBornes
• H01H 39/00 - Dispositifs de commutation actionnés par une explosion produite à l'intérieur du dispositif et amorcée par un courant électrique

Abrégé

The present invention provides a relay comprising an arc induction shield structure so that damage to other constituent elements can be prevented while an arc is effectively extinguished. The relay comprising an arc induction shield structure, according to one aspect of the present invention, comprises a fixed contact, a movable contact, a housing and an arc chamber, and may comprise an arc induction pin.

Classes IPC  ?

• H01H 50/38 - Élément de circuit magnétique principal dont la forme est prévue pour supprimer l'amorçage d'arc entre les contacts du relais
• H01H 50/56 - Jeux de ressorts de contact
• H01H 50/02 - SupportsEnveloppesCapots

Abrégé

Disclosed is a relay having a shock-absorbing structure for a movable contact so that the relay can alleviate shock generated by contact between the movable contact and a fixed contact. The relay according to one aspect of the present invention comprises: the fixed contact; the movable contact; a housing; and a plurality of contact pressure springs.

Classes IPC  ?

• H01H 50/30 - Dispositions mécaniques en vue d'empêcher ou d'amortir les vibrations ou les chocs, p. ex. par équilibrage de l'armature
• H01H 50/56 - Jeux de ressorts de contact

Abrégé

Disclosed is a direct current relay in which a malfunction due to an arc generated when opening and closing an electric circuit can be prevented, the direct current relay comprising: a fixed contactor; a movable contactor; a support spring which is coupled to one side of the movable contactor that is opposite the fixed contactor, and which becomes stretched or compressed and stores elastic force when the movable contactor moves toward or away from the fixed contactor; a holder cover which is formed to surround one surface, facing the fixed contactor, of the movable contactor and one surface, opposite the fixed contactor, of the support spring, and has an opening formed in the extension direction of the movable contactor; and a side spring shield which is coupled to the opening of the holder cover and arranged on one side of the movable contactor that is opposite the fixed contactor.

Classes IPC  ?

• H01H 50/56 - Jeux de ressorts de contact
• H01H 50/02 - SupportsEnveloppesCapots

Abrégé

The present invention provides an arc path formation unit capable of preventing random detachment of a magnet, and a direct current relay comprising same, the unit comprising: a magnet frame; and a plurality of blocks which form magnetic fields therein, are arranged in one direction side by side, and are formed as magnetic bodies, wherein the magnet frame includes a magnet accommodation unit for surrounding the plurality of blocks.

Classes IPC  ?

• H01H 50/16 - Circuits magnétiques
• H01H 50/38 - Élément de circuit magnétique principal dont la forme est prévue pour supprimer l'amorçage d'arc entre les contacts du relais
• H01H 50/54 - Dispositions de contact

Abrégé

Disclosed are an arc path formation unit and a direct current relay comprising same, which can prevent random dislodging of a magnet, and comprise: a magnetic frame; and a plurality of blocks which are arranged to be side by side in one direction and adjacent to the inner circumferential surface of the magnetic frame, and are formed with magnetic bodies, wherein the magnetic frame comprises, on the inner circumferential surface thereof, a spacer arranged between two neighboring blocks among the plurality of blocks.

Classes IPC  ?

• H01H 50/16 - Circuits magnétiques
• H01H 50/38 - Élément de circuit magnétique principal dont la forme est prévue pour supprimer l'amorçage d'arc entre les contacts du relais
• H01H 50/54 - Dispositions de contact

Abrégé

The present invention provides an arc path formation unit, which can effectively guide a generated arc to the outside, and a direct current relay comprising same, the arch path formation unit comprising: a magnetic frame; and a Halbach array arranged to be adjacent to the inner circumferential surface of the magnetic frame so as to form a magnetic field inside the magnetic frame, wherein the Halbach array includes first, second and third blocks, which are arranged to be parallel in one direction, and the first block has a surface facing the third block, which is magnetized with a polarity opposite to that of the surface of the third block facing the first block.

Classes IPC  ?

• H01H 50/16 - Circuits magnétiques
• H01H 50/38 - Élément de circuit magnétique principal dont la forme est prévue pour supprimer l'amorçage d'arc entre les contacts du relais
• H01H 50/54 - Dispositions de contact

Abrégé

The present invention relates to an arc path formation unit which can reduce manufacturing costs and improve manufacturing convenience, and a direct current relay comprising same, and provides the arc path formation unit and the direct current relay comprising same, which comprise a magnet frame and a Halbach array disposed adjacent to an inner circumference of the magnet frame and forming a magnetic field inside the magnet frame, wherein the Halbach array comprises a first block, a second block, and a third block arranged in parallel with each other in one direction, and a surface of each of the first block and the third block facing the second block is magnetized to have a polarity identical to that of a surface of the second block opposite to the stationary contactor.

Classes IPC  ?

• H01H 50/16 - Circuits magnétiques
• H01H 50/38 - Élément de circuit magnétique principal dont la forme est prévue pour supprimer l'amorçage d'arc entre les contacts du relais
• H01H 50/54 - Dispositions de contact