Abstract

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.

IPC Classes  ?

• H01H 45/04 - Mounting complete relay or separate parts of relay on a base or inside a case
• H01H 9/02 - Bases, casings, or covers
• H05K 1/02 - Printed circuits Details

Abstract

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.

IPC Classes  ?

• H01H 9/02 - Bases, casings, or covers

Abstract

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.

IPC Classes  ?

• H01H 50/08 - IndicatorsDistinguishing marks
• H01H 50/02 - BasesCasingsCovers

Abstract

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.

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold
• H01M 10/66 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
• H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
• H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
• H01M 10/625 - Vehicles
• H01M 50/574 - Devices or arrangements for the interruption of current
• H01M 50/507 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules

Abstract

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.

IPC Classes  ?

• H01M 10/613 - Cooling or keeping cold
• H01M 10/66 - Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
• H01M 10/6556 - Solid parts with flow channel passages or pipes for heat exchange
• H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
• H01M 10/625 - Vehicles
• H01M 10/6551 - Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
• H01M 50/574 - Devices or arrangements for the interruption of current
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing

Abstract

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.

IPC Classes  ?

• H01H 50/18 - Movable parts of magnetic circuits, e.g. armature
• H01H 50/02 - BasesCasingsCovers
• H01H 47/12 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for biasing the electromagnet

Abstract

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.

IPC Classes  ?

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

Abstract

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.

IPC Classes  ?

• H01R 39/00 - Rotary current collectors, distributors or interrupters
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01H 1/58 - Electric connections to or between contactsTerminals
• H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current

Abstract

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.

IPC Classes  ?

• H01H 50/54 - Contact arrangements
• H01H 50/60 - Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit

Abstract

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.

IPC Classes  ?

• H01R 39/00 - Rotary current collectors, distributors or interrupters
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
• H01H 1/58 - Electric connections to or between contactsTerminals
• H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current

Abstract

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.

IPC Classes  ?

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

Abstract

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.

IPC Classes  ?

• H01R 39/00 - Rotary current collectors, distributors or interrupters
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
• H01H 1/58 - Electric connections to or between contactsTerminals
• H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current

Abstract

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.

IPC Classes  ?

• H01R 39/00 - Rotary current collectors, distributors or interrupters
• H01M 50/284 - MountingsSecondary casings or framesRacks, modules or packsSuspension devicesShock absorbersTransport or carrying devicesHolders with incorporated circuit boards, e.g. printed circuit boards [PCB]
• B60L 50/64 - Constructional details of batteries specially adapted for electric vehicles
• H01M 50/502 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing
• H01H 1/58 - Electric connections to or between contactsTerminals
• H01H 39/00 - Switching devices actuated by an explosion produced within the device and initiated by an electric current

Abstract

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.

IPC Classes  ?

• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 50/56 - Contact spring sets
• H01H 50/02 - BasesCasingsCovers

Abstract

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.

IPC Classes  ?

• H01H 50/30 - Mechanical arrangements for preventing or damping vibration or shock, e.g. by balancing of armature
• H01H 50/56 - Contact spring sets

Abstract

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.

IPC Classes  ?

• H01H 50/56 - Contact spring sets
• H01H 50/02 - BasesCasingsCovers

Abstract

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.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 50/54 - Contact arrangements

Abstract

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.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 50/54 - Contact arrangements

Abstract

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.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 50/54 - Contact arrangements

Abstract

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.

IPC Classes  ?

• H01H 50/16 - Magnetic circuit arrangements
• H01H 50/38 - Part of main magnetic circuit shaped to suppress arcing between the contacts of the relay
• H01H 50/54 - Contact arrangements