Provided is an electrical circuit breaker device having quick breaking capability not only to relatively high currents but also to relatively low currents. The electrical circuit breaker device includes: a to-be-cut portion (400) that is arranged in a housing (301) and constitutes a part of an electrical circuit; and a moving body that moves in the housing (301) between a first end portion (320) and a second end portion (330) on an opposite side of the first end portion (320) by a power source P, in which the electrical circuit breaker device includes a fuse functional circuit portion (800) that is connected to the to-be-cut portion (400) and has a fusion portion (740) and an arc-extinguishing material Q, the moving body includes: a first moving body (500) that moves by the power source P; and a second moving body (600) that moves by power of the first moving body (500), the first moving body (500) moves from the first end portion (320) toward the second end portion (330) and cuts off a cutting piece (420) of the to-be-cut portion (400), and the second moving body (600) cuts off a part of the fuse functional circuit portion (800) after the first moving body (500) cuts off the cutting piece (420).
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
The present invention provides a fuse in which a large number of fuse elements can be mounted in order to respond to high voltage and high current. A fuse 900 comprising fuse elements 100 having fusing parts 120 provided between a pair of connecting parts 110, and a casing 200 that accommodates the fusing parts 120, the fuse 900 being characterized in that the plurality of fuse elements 100 are aligned along the circumferential direction of the casing 200.
The present invention provides an electric circuit breaker that quickly breaks current in a wide current range up to a relatively low current as well as a relatively high current. An electric circuit breaker 600 that includes a housing 300, a cut portion 400 that is disposed in the housing 300 and constitutes a part of an electric circuit, a first power source P that is disposed on a side of a first end portion 320 of the housing 300, and a moving body 500 that moves in the housing 300 between the first end portion 320 and a second end portion 330 opposite to the first end portion 320, the electric circuit breaker including a fuse function portion 700 that includes a fusion portion 740 and an arc-extinguishing material 730, wherein the moving body 500 is configured to cut a cut piece 420 positioned between base pieces 430 on both sides of the cut portion 400 at a part of the moving body 500 while moving from the first end portion 320 toward the second end portion 330 by the first power source P, in a case where a current to be broken is low, the fuse function portion 700 and the cut portion 400 are not connected, the moving body 500 is moved toward the second end portion 330 by the first power source P to cut the cut piece 420 positioned between the base pieces 430 on both sides of the cut portion 400 to break a state where the base pieces 430 on both sides of the cut portion 400 are energized, and in a case where the current to be broken is high, the fuse function portion 700 and the cut portion 400 are connected to each other, the moving body 500 is moved toward the second end portion 330 by the first power source P to cut the cut piece 420 positioned between the base pieces 430 on both sides of the cut portion 400 to break the state where the base pieces 430 on both sides of the cut portion 400 are energized.
The present invention provides a fuse and a method for manufacturing the fuse, the fuse realizing a low profile even when an external fuse can be attached. A fuse 600 comprises: an input terminal 110; an external terminal 120; a busbar 100 having a fusing portion 113 and a circuit part 200 provided between the input terminal 110 and the external terminal 120; and a housing 500 covering the busbar 100, the fuse 600 being characterized in that the circuit part 200 has a configuration in which an external fuse 700 comprising a fusing portion 730 and a connection terminal 720 can be attached.
H01H 85/56 - Protective devices wherein the fuse is carried, held, or retained by an intermediate or auxiliary part removable from the base, or used as sectionalisers the intermediate or auxiliary part having side contacts for plugging into the base, e.g. bridge-carrier type
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
H01H 85/20 - Bases for supporting the fuseSeparate parts thereof
The present invention provides a fuse which enables easy changing of a structure for fitting an external fuse and which has realized reduction in height. A fuse 600 comprises: an input terminal 110; an external terminal 120; a busbar 100 which has a fusion part 113 and a circuit part 200 and which is provided between the input terminal 110 and the external terminal 120; and a housing 500 that covers at least a portion of the busbar 100. The fuse is characterized in that: the circuit part 200 is provided with a body 210 and a separate body 220 that face each other; the separate body 220 is provided with a connection part 290 connected to the body 210; and an external fuse 700 which is provided with a fusion part 730 and a connection terminal 720 can be fitted to the separate body 220.
The present invention provides a blade-type fuse and a method for manufacturing the blade-type fuse, the blade-type fuse achieving a low profile while comprising a fixing location for fixing a housing and a connection location for connecting an external connection terminal, without interference therebetween. This blade-type fuse (400) is characterized by comprising a pair of terminal parts (110) connected with the external connection terminal (800), a fuse part (200) that is connected between the terminal parts (110), and a housing (300) that accommodates the fuse part (200), wherein: the terminal parts (110) are configured so that external contacts (410, 420) to which the terminal parts (110) and the external connection terminal (800) are connected are laterally disposed side by side with a portion of the fuse part (200); and upper ends (120) of the terminal parts (100) are inserted and crushed into fixing holes (340) at the upper end of the housing (300) and are in a state of being fixed inside the fixing holes (340).
The invention of the present application provides a fuse that effectively prevents a housing from expanding due to internal pressure. The present invention is a fuse 500 comprising a fuse element 400 having a fusion part 420 provided between a pair of terminal units 410, and a housing 300 that accommodates the fuse element 400, and is characterized in that the housing 300 is provided with wall parts, and the housing 300 is provided with at least one reinforcement part (350, 360) that connects the wall parts.
The present invention provides a fuse which can handle high voltages and high currents, without changing the dimensions of a casing. This fuse 900 comprises a casing 100, terminal portions 300 on both sides, and a fuse element 200 accommodated within the casing 100, and is characterized in that: the fuse element 200 has a wave shape comprising valley portions 220 and peak portions 230, and has a fusing portion 240; and tip portions 231 of the peak portions 230 are provided with notched portions 235 where end portions 234 are cut out.
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
A fuse includes: an element including a plurality of narrow portions each of which becomes a starting point of fusion cutting; a pair of terminals connected by the element; and a case housing the element, in which the element has a curved surface, and is disposed in a tube shape.
A fuse with an improved arc elimination performance is provided while an increase in the total length of the fuse element is prevented. A fuse 500 includes a fuse element 100 including at least one fusing portion 120 between terminal portions 110 on both sides. The fuse element 100 includes curved portions 130, which are hollowed, at positions adjacent to the fusing portion 120. An arc-eliminating material 140 is fastened in hollowed portions 131 of the curved portions 130.
An on-vehicle device is provided with a fuse. A plurality of terminals each have a long-plate shape and are aligned with each other. A fusible portion is connected to two of the plurality of terminals. A housing covers a part of the plurality of terminals and the fusible portion and has heat resistance equal to or higher than 300 degrees. Current flows through the fusible portion. The fusible portion is blown out in the case where the temperature of the fusible portion exceeds a predetermined temperature.
The present invention provides an electric circuit breaker device that, while being able to handle an increase in parts to be cut (fuse elements), suppresses an increase in motive power of a motive power source, and that is capable of easily breaking an electric circuit. Provided is an electric circuit breaker device (900) comprising an accommodation part (200), outer connection terminals (910) on both sides, a fuse element (100) accommodated in the accommodation part (200), and an arc extinguishing material (290), said electric circuit breaker device (900) being characterized by comprising a motive force mechanism (500) that is configured to apply a tensile force to an end part (110) of the fuse element (100) to divide the fuse element (100) into parts, and an electric connection maintaining mechanism that maintains an electric connection between the fuse element (100) and the outer connection terminals (910) until the fuse element (100) is divided into parts.
H01H 85/10 - Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing
H01H 85/36 - Means for applying mechanical tension to fusible member
H01H 37/76 - Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
An electric circuit cut-off device including a housing, a to-be-cut part, a power source, and a moving body that moves between first and second end portions on opposite sides, a fuse including a fusing portion and an arc-extinguishing material, and a pair of electrode parts connected to terminals on both sides of the fuse. The moving body is configured to cut a piece located between base pieces on both sides of the to-be-cut part and a part of the to-be-cut part and the electrode part come into contact with each other in a state where base pieces on both sides of the to-be-cut part are energized via the cut piece, and the to-be-cut part and the fuse are connected to each other; and thereafter a state in which the base pieces on both sides of the to-be-cut part are energized via the cut piece is cut off.
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
H01H 85/42 - Means for extinguishing or suppressing arc using an arc-extinguishing gas
H01H 33/53 - CasesReservoirs, tanks, piping or valves, for arc-extinguishing fluidAccessories therefor, e.g. safety arrangements, pressure relief devices
The present invention provides an electric circuit breaker device that suppresses an increase in the size of a motive power source even when the resistance of a portion to be cut is lowered, and is capable of easily breaking an electric circuit. An electric circuit breaker device 600 comprises a portion 400 to be broken that constitutes a part of an electric circuit. The electric circuit breaker device 600 is characterized in that: the portion 400 to be broken comprises base sections 430 on both sides thereof, and a separation section 420 connected between the base sections 430, and further comprises a pressing-connection portion 431 that connects the base sections 430 and the separation section 420 while pressing the mutual contact surfaces thereof; and the separation section 420 is configured to break the connection between the base sections 430 by being separated from the base sections 430 when the separation section 420 is moved by a motive power mechanism along a plane of contact with the base sections 430 while making contact therewith.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
The present invention provides an electric circuit breaker that minimizes any increase in the motive power of a motive power source and that can easily break an electric circuit, even when the resistance of a part to be broken is reduced. An electric circuit breaker 600 comprising a housing 300, a part 400 to be broken that is disposed inside the housing 300 and constitutes part of an electric circuit, a motive power source P disposed on a first-end-part 320 side of the housing 300, and a moving body 500 that moves within the housing 300 between the first end part 320 and a second end part 330 on the side opposite from the first end part 320, the electric circuit breaker 600 being characterized in that: the part 400 to be broken is provided with two physically separate base pieces 430; pressing force F is applied in mutually opposing directions between end surfaces 431 of the base pieces 430 to electrically connect the base pieces 430 to each other; and while the moving body 500 is caused to move from the first end part 320 toward the second end part 330 by the motive power source P, part of the moving body 500 breaks the connection between the base pieces 430.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
Therefore, the invention of the present application provides a fuse in which a position and a posture of a fuse element are easily stabilized and which is easily assembled, and a method for manufacturing the fuse. A fuse including a fuse element having a fusing portion; and a casing accommodating the fusing portion; where the fuse element has a long shape extending in a longitudinal direction of the casing and at least two or more fuse elements are provided; the fuse element has one end portion side coupled to each other by a coupling portion; a first holding portion that holds the fuse element is provided in one opening of the casing; and a locking portion that locks the coupling portion of the fuse element is provided in the first holding portion.
The present invention provides a fuse that can be easily manufactured and has an improved yield. A fuse includes an input terminal portion, a bus bar portion through which a current input from the input terminal portion flows, and a terminal portion connected to the bus bar portion through a fusible portion, where a fusible portion unit including the fusible portion and the terminal portion is provided in plurals, each of the fusible portion units is a separate body from the bus bar portion and is individually attached to the bus bar portion.
H01H 85/11 - Fusible members characterised by the shape or form of the fusible member with applied local area of a metal which, on melting, forms a eutectic with the main material of the fusible member, i.e. M-effect devices
The present invention provides with a substrate surface-mounted fuse with which reduction in the number of components and reduction in weight and height can be achieved, and a method for manufacturing the substrate surface-mounted fuse. A substrate surface-mounted fuse 100 which comprises: a housing 110, a fusing portion 120 positioned in the housing 110, and terminal portions 130 connected to both ends of the fusing portion 120, the substrate surface-mounted fuse being mounted on the surface of a substrate 300, is characterized in that: provided are relay terminals (140, 150) connected to the substrate 300; the relay terminals (140, 150) are provided with connection portions (141, 151) connected to the terminal portions 130; recesses (146, 156) are formed in the connection portions (141, 151); and portions of the terminal portions 130 are inserted into and joined to the recesses (146, 156).
Provided are a fuse having a durable blowout portion, and a method for manufacturing the fuse. A fuse 500 comprises a fuse element 100 that is provided with a blowout portion 120, and a casing 200 that houses the blowout portion 120, and is characterized in that the blowout portion 120 is covered with a solid-state arc-extinguishing material 140 secured to the blowout portion 120, and a housing space 220 between the solid-state arc-extinguishing material 140 and the casing 200 is filled with a granular arc-extinguishing material 510.
Provided is an electrical circuit breaker device that is provided with a rapid disconnection ability not only for relatively high currents, but also for relatively low currents. The present invention comprises a cut-receiving section (400) that is positioned inside a housing (301) and forms a portion of an electrical circuit, and a moving body that, due to a power source P, moves inside the housing (301) between a first end section (320) and a second end section (330) on the opposite side from the first end section (320). The present invention further comprises a fuse functional circuit section (800) that is connected to the cut-receiving section (400) and has a fusion section (740) and an arc extinguishing material Q. The moving body comprises a first moving body (500) that moves due to the power source P, and a second moving body (600) that moves due to the power of the first moving body (500). While moving from the first end section (320) toward the second end section (330), the first moving body (500) cuts a cut piece (420) of the cut-receiving section (400), and after the first moving body (500) has cut the cut piece (420), the second moving body (600) cuts a portion of the fuse functional circuit section (800).
Electric circuit breaker device that can be downsized by reducing the distance the moving body moves, including a housing; a cut part placed inside the housing; and a power source placed on the housing, further including a moving body having a first arc-extinguishing space into which the cut part is inserted and housed, and which is filled with an arc-extinguishing material, and a moving body housing part that allows the moving body to move between the first end part and a second end part opposite to the first end part, which is configured to cut the cut part while moving toward the power source P, and the housing includes an expanded arc-extinguishing space positioned so as to face an end part of a separable piece of the cut part when the moving body has moved and stopped, and the expanded arc-extinguishing space being filled with an arc-extinguishing material.
The present invention provides a multi-link fuse capable of charging a battery with a configuration simpler than a conventional configuration, and a method for charging a battery by using the multi-link fuse. A multi-link fuse H includes a bus bar body that includes an input terminal, a plurality of external terminals, and a fusion portion provided between the input terminal and the external terminal, and a housing body that covers the bus bar body. The multi-link fuse H includes an extension bus bar for charging a battery by connecting a charging connection terminal. The extension bus bar includes an input extension terminal that overlaps the input terminal and an outer extension portion that extends outward from the bus bar body and connects the charging connection terminal. Both the extension bus bar and the bus bar body are fixed to the housing body in a state where the input extension terminal of the extension bus bar overlaps the input terminal.
Provided are a fuse having a structure that facilitates bending of a fuse element, and a method for manufacturing the fuse. In a fuse including a fuse element having a pair of terminal portions, a middle portion provided between the terminal portions, and a fusing portion provided in the middle portion, at least two or more of the middle portions are provided in the terminal portion, at least one of the middle portions is bent along a long direction such that a center side protrudes from long sides on both sides, and the middle portions are disposed to face each other when the terminal portion is folded at a bending point K2 of the terminal portion.
The invention of the present application provides a fuse that is easily attached directly or indirectly to a battery. A fuse fixed to a battery post BP or a coupling post of a base member coupled to the battery post BP includes: a fuse element including an input terminal fixed to the battery post BP or the coupling post, an external output terminal, and a fusion portion provided between the input terminal and the external output terminal; a housing including an exposure window through which the fusion portion is exposed, the housing accommodating the fuse element; and a cover member that covers the exposure window. The cover member includes a protruding portion protruding toward a battery BT side including the battery post BP or a base member side, and the protruding portion is able to abut on a part of the battery BT or a part of the base member.
H01H 85/175 - Casings characterised by the casing shape or form
H01H 85/22 - Intermediate or auxiliary parts for carrying, holding, or retaining fuse, co-operating with base or fixed holder, and removable therefrom for renewing the fuse
H01H 85/044 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified
The present application invention provides a fuse capable of saving space inside a casing even when the casing includes a plurality of fusion parts arranged side by side. A fuse includes: a fuse element including a fusion part provided between a pair of terminal portions; and a casing configured to house a part of the fuse element while causing the terminal portions to protrude outward. Two or more of the fusion parts are arranged in a lateral direction X orthogonal to a terminal portion direction Y connecting the terminal portions and connected to the terminal portions. The casing includes two casing split pieces configured to house the fuse element to sandwich the fuse element. The respective casing split pieces are fixed to each other by a frame-shaped fixing member configured to make one round of a periphery of the respective casing split pieces. A housing space N1 of the casing has a maximum width L1 in the vertical direction Z narrower than a maximum width L2 in the lateral direction X.
The present invention provides an electric circuit breaker having a rapid disconnection capability over a wide range of current regions that extends to relatively low currents as well as relatively high currents. An electric circuit breaker 600 provided with: a housing 300; a part 400 to be disconnected, disposed in the housing 300 and constituting a part of an electric circuit; a first power source P disposed on a first end 320 side of the housing 300; and, a moving body 500 that moves in the housing 300 between the first end 320 and a second end 330 on the opposite side of the first end 320. The electric circuit breaker 600 is characterized in that: a fuse functional unit 700 provided with a fusing part 740 and an arc-extinguishing material 730 is provided; a portion of the moving body 500 disconnects a disconnection piece 420 positioned between base pieces 430 provided on both sides of the part 400 to be disconnected while the moving body 500 is moved from the first end 320 toward the second end 330 by the first power source P; and, when the current to be cut off is low, the fuse functional unit 700 and the part 400 to be disconnected are not connected and the moving body 500 is moved toward the second end 330 by the first power source P to disconnect the disconnection piece 420 positioned between the base pieces 430 provided on both sides of the part 400 to be disconnected, thereby cutting off the base pieces 430 on both sides of the part 400 to be disconnected from being energized, and, when the current to be cut off is high, the fuse functional unit 700 and the part 400 to be disconnected are connected and the moving body 500 is moved toward the second end 330 by the first power source P to disconnect the disconnection piece 420 positioned between the base pieces 430 provided on both sides of the part 400 to be disconnected, thereby cutting off the base pieces 430 on both sides of the part 400 to be disconnected from being energized.
Provided is a fuse, the arc-extinguishing performance of which has been improved, while preventing an increase in the total length of a fuse element. The fuse 500 has a fuse element 100 provided with at least one fusing part 120 between terminal parts 110 disposed on both ends, and is characterized in that the fuse element 100 is provided with concave curved parts 130 at positions adjacent to the fusing part 120, and an arc-extinguishing material 140 is fixed inside the concave portions 131 of the curved parts 130.
The present invention provides an electric circuit-breaker device that is capable of extinguishing an arc, which is generated immediately after breaking of an electric circuit, efficiently, quickly, and safely. This electric circuit-breaker device 600 is provided with: a housing 300; a breaking-target part 400 that is disposed inside the housing 300 and that constitutes a part of an electric circuit; a power source P disposed at a first end part 320 side in the housing 300; and a movable body 500 that moves between the first end part 320 and a second end part 330 opposite to the first end part 320 in the housing 300. The electric circuit-breaker device is characterized by being provided with a fuse 700 that is provided with a fusion part 740 and an arc extinguishing material 730, and a pair of electrodes (540, 550) that are connected to terminals 750 at opposing sides of the fuse 700, and is also characterized in that: the movable body 500 is configured to move from the first end part 320 to the second end part 330 by means of the power source P and to break, by a part thereof, a cut piece 420 positioned between base pieces 430 at opposing sides of the breaking-target part 400; when the movable body 500 moves toward the second end part 330, a part of the breaking-target part 400 comes into contact with the electrodes (540, 550) and the breaking-target part 400 gets connected to the fuse 700 in a state where the base pieces 430 at the opposing sides of the breaking-target part 400 are energized via the cut piece 420; and then the state where the base pieces 430 at the opposing sides of the breaking-target part 400 are energized via the cut piece 420 is broken in association with the movement of the movable body 500.
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current
A vehicle-mounted device comprising a fuse (1). A plurality of terminals (11) form long plate shapes and are arranged in a row. A fusing section is connected to two terminals among the plurality of terminals (11). A housing (10) covers some of the plurality of terminals (11) and the fusing section and has a thermal resistance of at least 300°. Current flows via the fusing section. If the temperature of the fusing section exceeds a prescribed temperature, the fusing section fuses.
B60R 16/02 - Electric or fluid circuits specially adapted for vehicles and not otherwise provided forArrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric
The present invention provides a fuse which can be easily manufactured and which has an improved yield. A fuse 700 is provided with: an input terminal part 610; a bus bar part 600 through which a current inputted from the input terminal part 610 flows; and terminal parts 300 that are connected to the bus bar part 600 via fusible element parts 200. The fuse is characterized in that: a plurality of fusible element part units 400, each having a fusible element part 200 and a terminal part 300, are provided; and each of the fusible element part units 400 is independent of the bus bar part 600 and is individually mounted to the bus bar part 600.
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
H01H 85/11 - Fusible members characterised by the shape or form of the fusible member with applied local area of a metal which, on melting, forms a eutectic with the main material of the fusible member, i.e. M-effect devices
The present invention provides: a fuse which makes it easy to stabilize the position and orientation of a fuse element and which is easily assembled; and a method for manufacturing the fuse. A fuse 600 comprises fuse elements 100 having fusing parts 120, and a casing 200 accommodating the fusing parts 120, the fuse being characterized in that: the fuse elements 100 have an elongated shape extending in the longitudinal direction of the casing 200; at least two of the fuse elements are provided; one end 111 of each fuse element 100 is connected to the other by a connecting part 170; one opening 220 of the casing 200 is provided with a first holding part 300 which holds the fuse elements 100; and the first holding part 300 is provided with locking portions 320 for locking the connecting part 170 of the fuse elements 100.
The present invention provides a fuse that has a stable fusing characteristic and is easily manufactured.
A fuse 600 includes: a fuse element 100 that is provided between a pair of terminal parts 110 and has a plurality of fuse parts 120; and a casing 200 for housing the fuse parts 120, wherein the fuse element 100 includes a first flat surface 140 and a second flat surface 150 which are shaped bent along a longitudinal direction P of the fuse element 100 and which extend in a linear manner along the longitudinal direction P, wherein the first flat surface 140 and the second flat surface 150 are provided with the plurality of fuse parts 120, and wherein the first flat surface 140 and the second flat surface 150 are contiguous to one other via a bent section 131.
The present invention provides a substrate surface-mounted fuse that uses a replacement fuse to enable an electric circuit to be electrically connected simply and immediately even when a fuse part melts.
A substrate surface-mounted fuse 100 mounted on the surface of a substrate 300 comprises: a housing 110; a fuse part 120 that is disposed in the housing 110; and a terminal part 130 that is coupled to both ends of the fuse part 120 and exposed to the outside of the housing 110, wherein a portion of the terminal part 130 is provided with a fixed section 134 for fixing to the surface of the substrate 300 and is provided with an attachment part 140 enabling attachment of a terminal part 230 of a replacement fuse 200.
The present invention provides an electric circuit-breaker device with which a distance that a moving body is moved can be shortened, and which can be reduced in size. An electric circuit-breaker device 600 comprises: a housing 300; a part 400 to be cut that constitutes a portion of an electric circuit; and a power source P that is disposed on a first end 320-side of the housing 300. The electric circuit-breaker device is characterized in that: a moving body 500 is provided, into which the part 400 to be cut is inserted and accommodated therein, and which is provided with a first arc extinguishing space X1 filled with an arc extinguishing material M; the housing 300 has a moving body accommodation portion 310 in which the moving body 500 can be moved between a first end 320 and a second end 330 on the side opposite the first end 320; the moving body 500 is configured to be moved by the power source P from the first end 320 toward the second end 330 while cutting the part 400 to be cut that is accommodated within the first arc extinguishing space X1 of the moving body 500; and the housing 300 also comprises an expanded arc extinguishing space X2 which is filled with the arc extinguishing material M and which is disposed so as to face an end 422 of a separated piece 420 of the part 400 to be cut, which is cut and separated, once the moving body 500 has moved and then stopped.
The present invention provides: a multi-link fuse that, with a simpler than conventional configuration, is capable of charging a battery; and a method for charging a battery using the multi-link fuse. The present invention is a multi-link fuse H, provided with a main busbar body 100 provided with an input terminal 110, a plurality of external terminals 120, and a fuse portion 113 disposed between the input terminal 110 and the external terminals 120, and a main housing body 400 that covers the main busbar body 100, characterized in that: an extension busbar 500 for connecting to a charging connection terminal to charge a battery is provided; the extension busbar 500 is provided with an input extension terminal 510 that overlaps the input terminal 110 and an external extension section 520 that extends further outward than the main busbar body 100 and connects the charging connection terminal; and, in a state in which the input extension terminal 510 of the extension busbar 500 overlaps with the input terminal 110, the extension busbar 500 and the main busbar body 100 are both secured to the main housing body 400.
Provided are: a fuse having a structure which facilitates bend-molding of a fuse element; and a method for manufacturing the fuse. This fuse 400 comprises a fuse element 100 having: a pair of terminal parts 110; an intermediate part 130 provided between the terminal parts 110; and a fusing part 120 provided to the intermediate part 130, the fuse being characterized in that at least two of the intermediate parts 130 are provided on the terminal parts 110, at least one of the intermediate parts 130 curves such that the center 133 side protrudes more than long sides 132 side of both sides along the longitudinal direction, and the terminal parts 110 bend at a bending location K2 of the terminal parts 110, thereby being disposed so as to oppose the intermediate parts 130.
The present invention provides a fuse that is easy to attach directly or indirectly to a battery. Provided is a fuse 400 that is fixed to a battery post BP, or a connecting post 510 of a base member 500 connected to the battery post BP, the fuse being characterized by comprising: a fuse element 100 having an input terminal 110 fixed to the battery post BP or the connecting post 510, an external output terminal 120, and a fusing portion 130 provided between the input terminal 110 and the external output terminal 120; a housing 200 having an exposed window 230 that exposes the fusing portion 130, and accommodating the fuse element 100; and a cover member 300 for covering the exposed window 230, wherein the cover member 300 includes a protrusion 340 that projects toward the base member 500 side or the battery BT side having the battery post BP, and the protrusion 340 can abut a part of the battery BT or a part of the base member 500.
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
H01H 85/175 - Casings characterised by the casing shape or form
An electric circuit breaker, including a housing, a cut portion that is arranged in the housing and forms a part of an electric circuit, a cutting member that cuts the cut portion, and a power source arranged on a first end portion side of the housing, the electric circuit breaker including a moving body that allows the cut portion to be inserted and accommodated therein and includes the cutting member and a first arc extinguishing space adjacent to the cutting member, in which the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion. The moving body is further configured such that the cutting member provided in the moving body cuts the cut portion while the moving body moves from the first end portion toward the second end portion by the power source.
An electric circuit breaker that prevents damage due to increased internal pressure after an electric circuit is cut off and prevents an arc from leaking to the outside. Such a circuit breaker includes a housing, a cut portion that is arranged in the housing and forms a part of an electric circuit, a cutting member that cuts the cut portion, and a power source arranged on a first end portion side of the housing, the electric circuit breaker including a moving body including the cutting member, in which the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion, in which the moving body is configured such that the cutting member provided in the moving body cuts a separation piece of the cut portion.
The invention of the present application provides a fuse which enables space-saving for the inside of a casing even when multiple fusible parts arranged side-by-side are provided. The fuse 400 is provided with a fuse element 100 having fusible parts 120 disposed between a pair of terminal parts 110 and a casing 290 for housing a portion of the fuse element 100, with the terminal parts 110 projecting outward therefrom, said fuse 400 being characterized in that two or more fusible parts 120 are connected to the terminal parts 110, with the fusible parts being arranged in a horizontal direction X orthogonal to a terminal-part direction Y connecting the terminal parts 110, the casing 290 is provided with two casing segments 200 for housing the fuse element 100 in a sandwiching manner, the casing segments 200 are fixed together by means of a frame-like fixation member 300 surrounding the periphery of the casing segments 200, and maximum width L1 of the housing space N1 of the casing 200 in a vertical direction Z is narrower than maximum width L2 in the horizontal direction X.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Power distribution or control machines and apparatus;
electrical fuses; telecommunication machines and apparatus;
electronic machines, apparatus and their parts; fuses for
automobiles. Automobiles and their parts and fittings.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Power distribution or control machines and apparatus, namely, electric power distribution units; electrical fuses; telecommunication machines and apparatus, namely, telephone answer machines; electronic machines, apparatus and their parts, namely, circuits; fuses for automobiles Automobiles and their parts and fittings, namely, Automobiles and structural parts therefore
The present invention provides a fuse that has stabilized fusing characteristics and that is easy to manufacture. A fuse 600 provided between a pair of terminal parts 110, the fuse 600 comprising a fuse element 100 having a plurality of fusing parts 120, and a casing 200 that accommodates the fusing parts 120, wherein the fuse 600 is characterized in that: the fuse element 100 has a bent shape along the length direction P of the fuse element 100, and comprises a first flat surface 140 and a second flat surface 150 that extend in linearly along the length direction P; the plurality of fusing parts 120 are provided to the first flat surface 140 and the second flat surface 150; and the first flat surface 140 and the second flat surface 150 are continuous with each other in a bent section 131.
The present invention provides a substrate surface mount fuse that can make an electric circuit conductive easily and immediately using a replacement fuse, even when a fuse part has blown. This substrate surface mount fuse 100 that is mounted on the surface of a substrate 300 comprises: a housing 110; a fuse part 120 placed inside the housing 110; and a terminal part 130 that is connected to both ends of the fuse part 120, and is exposed to the outside of the housing 110, characterized in that on one portion of the terminal part 130, a fixed part 134 that is fixed to the surface of the substrate 300 is provided, and also an attaching part 140 that can attach a terminal part 230 of a replacement fuse 200 is provided.
An electrical circuit breaker is provided which, after interrupting the electrical circuit, prevents damage caused by increased internal voltage and which prevents an arcing to the outside. This electrical circuit breaker 600 is provided with a housing 300, a cut part 400 which is arranged inside the housing 300 and which configures part of the electrical circuit, a cutting member 511 which cuts the cut part 400, and a power supply P which is arranged on a first terminal 320 side of the housing 300, and is characterized in that the electrical circuit breaker is provided with a moving body 500 which comprises the cutting member 511; the housing 300 is provided with a tube 310 which can move the moving body 500 between the first terminal 320 and a second terminal 330 on the side opposite of the first terminal 320; the moving body 500 is configured such that, while moving from the first terminal 320 towards the second terminal 330 by the drive force P, the cutting member 511 provided on the moving body 500 cuts a separating piece 420 of the cut part 400; and the housing 300 is provided with an outside arc extinguishing space X3 outside of the tube 310, and the main body 430 of the cut part 400 that is not cut when the cutting member 511 cuts the cut part 400 and that remains in the housing 300 is inserted into and housed in the outside arc extinguishing space X3.
An electrical circuit breaker is provided which effectively extinguishes arcing occurring immediately after interrupting an electrical circuit. This electrical circuit breaker 600 is provided with a housing 300, a cut part 400 which is arranged inside the housing 300 and which configures part of the electrical circuit, a cutting member 511 which cuts the cut part 400, and a power supply P which is arranged on a first terminal 320 side of the housing 300, wherein: the electrical circuit breaker is provided with a moving body 500 where the cut part 400 is inserted into and housed and which comprises the cutting member 511 and a first arc extinguishing space X1 adjacent to the cutting member 511; the housing 300 is provided with a tube 310 which can move the moving body 500 between the first terminal 320 and a second terminal 330 on the side opposite of the first terminal 320; the moving body 500 is configured such that, while moving from the first terminal 320 towards the second terminal 330 by the drive force P, the cutting member 511, which is provided on the moving body 500, cuts the cut part 400; and an outside arc extinguishing space X3 of the moving body 500 is positioned between a separation piece 420 of the cut part 400, which is cut and removed when the moving body 500 moves, and a main body 430 of the cut part 400, which is not removed but remains in the housing 300.
The present invention provides a fuse unit, which reduces the number of components of a bus bar and eliminates alignment of tuning fork terminals, and a method of manufacturing the fuse unit. Disclosed is a method of manufacturing a fuse unit, which includes a bus bar including a battery terminal, a fuse connection terminal, and an external connection terminal and is manufactured by integrating the bus bar and a resin covering body by insert molding. In this manufacturing method, the fuse connection terminal is constituted of an input side tuning fork terminal connected to the battery terminal and an output side tuning fork terminal connected to the external connection terminal, the input side tuning fork terminal and the output side tuning fork terminal are connected by a joining portion so as to face each other, the bus bar including the fuse connection terminal is integrated with the resin covering body by insert molding. After the insert molding, the joining portion is cut and removed through a cutting window of the resin covering body, which exposes the joining portion to the outside, and the input side tuning fork terminal and the output side tuning fork terminal are separated.
The present invention provides a fuse manufacturing method and a fuse that facilitate an assembling work of the fuse. Disclosed is a method of manufacturing a fuse including a fuse element including a pair of terminal portions and a fusing portion between the terminal portions, a casing for accommodating the fuse element, and a cap for closing openings at both ends of the casing. In this fuse manufacturing method, the fuse element is positioned in the casing such that the terminal portion of the fuse element protrudes from the opening of the casing, and a holding plate for holding the fuse element is inserted between a peripheral portion of the opening of the casing and an abutment piece provided at the terminal portion of the fuse element. Further, in this method, the opening of the casing is closed by the cap so as to cover the holding plate.
The present invention provides a fuse unit which facilitates a work such as inspection and a method of manufacturing the fuse unit. Disclosed is a method of manufacturing a fuse unit, which has a metal part including an input terminal and an external connection terminal and a connector part for attaching an external terminal C3 to the external connection terminal and is manufactured by integrating the metal part and a resin covering body by insert molding. In this manufacturing method, the metal part and the resin covering body are integrated by insert molding such that a distal end of the external connection terminal of the metal part protrudes from the resin covering body, and then, the connector part separate from the resin covering body is attached to the resin covering body so that the external connection terminal protruding from the resin covering body can be connected to the external terminal C3.
H01H 85/175 - Casings characterised by the casing shape or form
H01H 85/20 - Bases for supporting the fuseSeparate parts thereof
H01H 85/143 - Electrical contactsFastening fusible members to such contacts
H01H 85/00 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
The present invention provides a multiple fuse device that is compatible with various ratings and reduces an increase in manufacturing cost. A multiple fuse device includes an input terminal, an external terminal, a bus bar that includes a circuit portion disposed between the input terminal and the external terminal, and a housing that covers the bus bar. The external terminal includes an integral external terminal integrated with the circuit portion with a fusible portion interposed between the integral external terminal and the circuit portion, and a fuse-side external terminal that pairs up with a fuse connection terminal connected to the circuit portion. The fuse connection terminal and the fuse-side external terminal provided in a pair hold a fuse exteriorly in a removable manner, the fuse having a fusible portion connected between the fuse connection terminal and the fuse-side external terminal.
The present invention provides a housing, fuse, and fuse box, with which it is possible to differentiate a multi-pole fusible link and prevent misassembly, while holding down costs. This housing is attached to a multi-pole fusible link contained within a containing part of a fuse box, and is provided with misassembly-preventing protrusions which are removable according to the type of multi-pole fusible link, the locations of the misassembly-preventing protrusions corresponding to the locations of recesses which are provided to the containing part that is to contain the multi-pole fusible link, and in which the misassembly-preventing protrusions can be contained.
Provided is a fuse unit with which it is possible to reduce the number of constituent components of a busbar, and which renders positioning of fork terminals unnecessary. Also provided is a method for producing fuse unit. This method for producing a fuse unit 300 comprising a busbar 100 having a battery terminal 110, a fuse connection terminal 130 and an external connection terminal 140 involves integrating the busbar 100 and a resin covering 200 by insert molding. The fuse connection terminal 130 comprises an input-side fork terminal 131 connected to the battery terminal 110, and an output-side fork terminal 132 connected to the external connection terminal 140. The input-side fork terminal 131 and the output-side fork terminal 132 are connected by a connecting part 170 so as to face one another. The busbar 100 that is equipped with the fuse connection terminal 130 is integrated with the resin covering 200 by insert molding, and after said insert molding, the connecting part 170 is excised from the excision window 220 in the resin covering 200 that exposes the connecting part 170 to the exterior, thereby separating the input-side fork terminal 131 and the output-side fork terminal 132.
Provided is a fuse unit which facilitates inspection and other work. Also provided is a method for producing fuse unit. This method for producing a fuse unit 300 having a metal component 100 comprising an input terminal 110 and an external connection terminal 140, and a connector component 400 for attaching the external terminal C3 to the external connection terminal 140, by integrating the metal component 100 and the resin covering by insert molding, is characterized in that the metal component 100 and the resin covering 200 are integrally molded by insert molding in such a manner that the tip of the external connection terminal 140 of the metal component 100 protrudes from the resin covering 200, and subsequently, in order that the connection between the external terminal C3 and the external connection terminal 140 protruding from the resin covering 200 can be maintained, the connector component 400 which is separate from the resin covering 200 is attached to the resin covering 200.
The present invention provides a fuse manufacturing method and a fuse, with which the work of assembling the fuse is easy. The manufacturing method is for a fuse 600 provided with the following: a fuse element 100 comprising a pair of terminal parts 110 and a fusing section 120 between the terminal parts 110; a casing 500 for accommodating the fuse element 100; and caps 410, 420 for closing open sections 510 at both ends of the casing 500. The manufacturing method is characterized by the following: the fuse element 100 is positioned within the casing 500 so that the terminal parts 110 of the fuse element 100 protrude from the open sections 510 of the casing 500; support plates 310, 320 for supporting the fuse element 100 are inserted between the peripheral edge 520 of each open section 510 of the casing 500 and abutment pieces 131, 132, 133 provided to the terminal parts 110 of the fuse element 100; and in order to cover the holding plates 310, 320, the open sections 510 of the casing 500 are closed by the caps 410, 420.
09 - Scientific and electric apparatus and instruments
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Power distribution or control machines and apparatus, namely, distribution boxes for electrical power, electronic controllers for use with power converters; power distribution or control machines and apparatus, namely, explosive signal actuated circuit breaker Automobiles and their structural parts and fittings; structural parts for automobiles
The invention provides a fuse that has a simple structure without having a flap included in a conventional fuse but can prevent a terminal of a different fuse from entering from an opening of an insulating housing. A fuse includes a pair of conductive terminals (10), a fuse element (30) including a fusing part (20) provided between the conductive terminals (10), and an insulating housing (40) covering the fusing part (20) and at least part of the conductive terminals (10) and having an open bottom end. The insulating housing (40) has an open end (50) provided, on an inner wall surface thereof, with a projection (60).
H01H 85/175 - Casings characterised by the casing shape or form
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
The present invention provides a housing, fuse, and fuse box, with which it is possible to differentiate a multi-pole fusible link and prevent misassembly, while holding down costs. This housing (300) is attached to a multi-pole fusible link (200) contained within a containing part (410) of a fuse box (400), and is characterized in being provided with misassembly-preventing protrusions (330) which are removable according to the type of multi-pole fusible link (200), the locations of the misassembly-preventing protrusions (330) corresponding to the locations of recesses (413) which are provided to the containing part (410) that is to contain the multi-pole fusible link (200), and in which the misassembly-preventing protrusions (330) can be contained.
The invention in this application aims to provide a multipolar fusible link in which its lateral width can decrease while its entire height does not increase. A multipolar fusible link (100) includes: an input terminal (110); a bus bar (120) through which an electric current input from the input terminal (110) flows; and a plurality of terminals (140) connected to the bus bar (120) via fusible sections (130). By changing a shape of a lower edge (122) of the bus bar (120) to which the fusible sections (130) are connected, a width between the lower edge (122) and an upper edge (121) positioned opposite the lower edge (122) is changed in accordance with the fusible sections (130) connected to the lower edge (122). In addition, shapes of the fusible sections (130) connected to the lower edge (122) are changed so that their lateral widths decrease.
Disclosed is a highly durable blade fuse for which a fused site in a narrow section and the rated current are determined in conformity with its design and the temperature of which does not increase greatly when a current flows through it. A blade fuse according to the present invention includes terminal sections (A, B) and a connection section (1), which are made of the same metal base material that is zinc or a zinc alloy. Furthermore, a low-melting-point metal piece (3), made of tin, which has an outer size identical or similar to a width of the connection section (1) is melted and stuck on at least one surface of the connection section (1) outside the fused section (2), and is positioned to partially traverse an edge of the fused section (2) or not to traverse the edge but to be adjacent to the edge.
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
H01H 85/041 - Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
H01H 85/10 - Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing
H01H 85/11 - Fusible members characterised by the shape or form of the fusible member with applied local area of a metal which, on melting, forms a eutectic with the main material of the fusible member, i.e. M-effect devices
A fuse element including a pair of terminal sections positioned at opposite ends of the fuse element, a plurality of spaced parallel rows of elements connecting the terminal sections, and a plurality of fused sections formed in substantially central sections of the elements, wherein the terminal sections and the elements or the elements alone are formed by stamping a single metal plate to separate a piece having a predetermined shape therefrom and bending the piece into a predetermined three-dimensional shape.
The invention relates to a melting fuse, especially for a motor vehicle that has a high-voltage circuit, comprising an electrically insulating housing inside of which there is a fusible conductor that connects two contacts with each other, whereby, between two longitudinal areas that are adjacent to each other, the fusible conductor has a rotation point around which the longitudinal areas can be rotated in case of a thermo-mechanical expansion.
H01H 85/175 - Casings characterised by the casing shape or form
H01H 85/00 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
H01H 85/042 - General constructions or structure of high voltage fuses, i.e. above 1,000 V
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
Disclosed are a fuse, a fuse box, and a fuse device capable of preventing insertion of wrong products into the box or device and persistent electric arc. In certain aspects, the fuse includes a pair of electro-conductive terminals, a fuse element having a fusion portion provided between the electro-conductive terminals, and an insulating housing mounted so as to cover at least a part of the fusion portion and the electro-conductive terminals, wherein a notch is provided on a lower-end side of the insulating housing, the notch is located between the pair of electro-conductive terminals and at a position that does not interfere with the shape of the fusion portion provided between the pair of electro-conductive terminals, and the notch is formed in a manner that a protrusion provided in a fuse box for housing the fuse can be fitted therein.
This invention provides a fuse wherein, with a simple structure and without using a flap, as is used in conventional fuses, terminals on other fuses can be prevented from getting inside the provided fuse through an opening in an insulating housing therefor. This fuse, which comprises a pair of conductive terminals (10), a fuse element (30) provided with a melting section (20) between the conductive terminals (10), and an insulating housing (40) that has an open bottom end and covers at least parts of the melting section (20) and the conductive terminals (10), is characterized in that protrusions (60) are formed on the inside surface of the wall of the open end (50) of the insulating housing (40).
H01H 85/175 - Casings characterised by the casing shape or form
H01H 85/045 - General constructions or structure of low voltage fuses, i.e. below 1,000 V, or of fuses where the applicable voltage is not specified cartridge type
The purpose of the invention of the present application is to provide a multipolar fusible link which can decrease in lateral width without increasing in overall height. This multipolar fusible link (100) is provided with an input terminal (110), a bus bar (120) through which the current inputted from said input terminal (110) flows, and multiple terminals (140) connected to the busbar (120) via a fusible part (130), and is characterized in that, by changing the shape of the lower end (122) of the busbar (120) to which the fusible part (130) is connected, the width between the lower end (122) and the upper end (121) opposite of the lower end (122) changes in accordance with the fusible part (130) connected to the lower end (122), and further, the shape of the fusible part (130) connected to the lower end (122) changes, decreasing in lateral width.
[Problem] To provide a fuse element in which a pair of terminals are connected by arranging a plurality of elements in parallel, and for which, by improving a portion of the manufacturing steps, it is possible to significantly improve productivity and greatly reduce costs. [Solution] In this fuse element (10), terminals (11, 11) positioned at both ends are connected by a plurality of elements (12, 12, …) which are disposed in parallel with a prescribed adjacent space (H) therebetween, and in substantially the center (13) of the elements (12) a plurality of fusing sections are provided. Of the terminals (11, 11) at both ends and the elements (12c, 12d, 12e), at least the elements (12c, 12d, 12e) are formed by punching a single metal plate into a prescribed shape and bending the same into a prescribed three-dimensional shape.
[Problem] To provide a blade fuse for which a fusing location and a rated current in a narrow part are established according to design, an increase in temperature when current passes therethrough is reduced, and robustness is improved. [Solution] With a blade fuse according to the present invention, terminal parts (A, B) and a connecting part (1) are formed from the same metal base material which is formed from zinc or a zinc alloy, and in a location upon at least one side of the connecting part (1) on the outer side of the fuse part (2) which either makes contact with a portion of an end of the fuse part (2) or is brought close thereto without making contact, is welded a low-melting-point metal (3), formed from such as tin, having an external measurement of or near the width of the contact part (1).
H01H 85/11 - Fusible members characterised by the shape or form of the fusible member with applied local area of a metal which, on melting, forms a eutectic with the main material of the fusible member, i.e. M-effect devices
H01H 85/10 - Fusible members characterised by the shape or form of the fusible member with constriction for localised fusing
H01H 85/12 - Two or more separate fusible members in parallel
The invention relates to a fuse (10), in particular for a motor car comprising a high-voltage electrical circuit, having an electrically insulating housing (1) within which a fusible element (5) which connects two contacts (3) to one another is arranged, in which fuse the fusible element (5) has a rotation point (7) between two length regions which adjoin one another, it being possible for the length regions to rotate about said rotation point in the event of a thermomechanical expansion.
H01H 85/00 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
H01H 85/042 - General constructions or structure of high voltage fuses, i.e. above 1,000 V
H01H 85/08 - Fusible members characterised by the shape or form of the fusible member
[PROBLEMS] To provide a multiple fuse device for a vehicle in which a fusion-cutting part for protection of charging current is not deformed nor broken in the assembling process. [MEANS FOR SOLVING THE PROBLEMS] The circuit board (10) in the multiple fuse device (30) for a vehicle is provided with a temporary connecting part (7) which connects a battery side bus bar part (4) and an alternator side bus bar part (5) to each other at a position different from that of the fusion-cutting part (6) and a predetermined portion (removal portion (7a)) of which is removed after being covered by an insulator housing (20).
