CN205122841U - Connector socket, connector component , busbar subassembly and battery device - Google Patents

Abstract

The utility model relates to a connector socket, connector component, busbar subassembly and battery device. The connector socket, a serial communication port, include: a housing, the casing is provided with and holds chamber, first opening and second opening, first opening reaches the second opening all with hold the chamber intercommunication, first opening is used for holding the connector plug and gets into the chamber holds, the circuit connection board, circuit connection board fixed mounting in on the casing, a connection terminal, connecting terminal install in on the circuit connection board, and lie in hold the intracavity for with peg graft to joining in marriage the terminal, components and parts, components and parts with the connecting terminal electricity is connected. The utility model provides a connector socket, connector component, busbar subassembly and battery device when connecting terminal or components and parts damage, can conveniently demolish components and parts or communicate the circuit connection board and demolish from the casing together to convenient change, maintenance.

Description

Connector socket, connector assembly, bus bar assembly and battery device

technical field

The utility model relates to a connector socket, a connector assembly, a bus bar assembly and a battery device.

Background technique

As the battery application field becomes wider and wider, the precise control of the battery is also getting higher and higher. Such as car batteries, the battery has become the main or even the entire power source of the car, and the accurate grasp and control of its operating status is not only related to the service life of the battery, but also to the safety of the car. High-voltage batteries for electric vehicles generally have many battery modules connected in series and parallel to meet the required power requirements, and the internal battery modules are also composed of many battery cells connected in series and parallel. For the currently popular lithium-ion batteries, due to their own characteristic requirements and safety reasons, this type of battery needs to be monitored and managed reasonably with a systematic electronic circuit, and the management system needs to monitor and control the electricity of each battery cell. . Electrical monitoring includes detecting temperature and voltage values, and electrical monitoring needs to be realized by means of components to detect corresponding data. In addition, for safety reasons, this part of the connection circuit also needs to be connected in series with short-circuit protection components.

At present, the industry generally uses electric wires (or special fuse wires) to directly weld the detection components or short circuit protection components to the series connection metal bus bar between the cells or connect the protection components on the circuit board and the fast connection on it. Plug connectors for connection. But these ones are cumbersome to assemble and difficult to produce; second, they cannot be replaced. Since it cannot be disassembled by welding, when some components are damaged, they must be replaced together with the busbar and normal components, which is not only inconvenient, but also wasteful. In addition, some components are arranged on the circuit board, which reduces the accuracy and fast response performance of detection and control.

Utility model content

One of the purposes of the present utility model is to provide a connector socket that is easy to maintain in order to overcome the deficiencies in the prior art.

In order to achieve the above purpose, through the following technical solutions:

The connector socket is characterized in that it comprises:

A housing, the housing is provided with a cavity, a first opening and a second opening, both the first opening and the second opening communicate with the cavity; the first opening is used to accommodate a connector plug into the cavity;

a circuit connection plate, the circuit connection plate is fixedly mounted on the housing;

Connecting terminals, the connecting terminals are installed on the circuit connecting board and located in the cavity, and are used for plugging in with mating terminals;

A component is electrically connected to the connecting terminal.

According to a preferred embodiment of the present utility model, the orientation of the first opening is perpendicular to the orientation of the second opening.

According to a preferred embodiment of the present utility model, the housing is surrounded by a base plate, two side wall plates and a rear cover to form the cavity; the first opening is located at the front side of the housing, and The position of the rear cover is opposite; the lower end of the side wall is connected with the base plate; the circuit connection board is arranged on the upper side of the side wall and connected with the side wall and the rear cover.

According to a preferred embodiment of the present invention, the upper ends of the two side wall plates are respectively provided with pressure claws, and the pressure claws extend from the two side wall plates and protrude from the upper ends of the side wall plates; the pressure claws Press against the upper surface of the circuit connection board.

According to a preferred embodiment of the present utility model, the pressing jaw is installed on the side wall plate through an extension plate, and the extension plate is elastically arranged.

According to a preferred embodiment of the present invention, flanges are provided on both sides of the circuit connection board, and the flanges are integrated with the circuit connection board; the extension board and the rear cover are located on the Both sides of the flange jointly clamp the flange.

According to a preferred embodiment of the present utility model, the circuit connection board is detachably connected to the housing.

According to a preferred embodiment of the present utility model, the circuit connection board and the housing are connected through a protrusion and a through hole; the protrusion is arranged on one of the housing and the circuit connection board The through hole is arranged on the other of the housing and the circuit connection board.

According to a preferred embodiment of the present utility model, the bump includes a first bump, and the first bump is arranged on the side wall plate and integrally arranged therewith; the through hole includes a first through hole, and The first through hole is arranged on the circuit connection board; the first bump is inserted into the first through hole.

According to a preferred embodiment of the present invention, the first bump is integrated with the housing and is conductive, the circuit connection plate is provided with a conductive coating or a conductive sheet, and the connecting terminal passes through the conductive The coating or the conductive sheet is electrically connected to the first bump and the housing.

According to a preferred embodiment of the present utility model, the first protrusion is disposed on the side wall plate and protrudes upward from the side wall plate.

According to a preferred embodiment of the present invention, the bump includes a second bump, the second bump is arranged on the circuit connection board, the through hole includes a second through hole, and the second through hole The hole is set on the rear cover; the second protrusion is inserted into the second through hole.

According to a preferred embodiment of the present invention, the second protrusion is arranged at the rear end of the circuit connection board, and protrudes backward beyond the rear end of the circuit connection board.

According to a preferred embodiment of the present invention, the housing is a conductive housing; the surface of the circuit connection board is provided with a conductive coating or a conductive sheet, and the first part of the conductive coating or the conductive sheet is in contact with the The first bump and/or the casing are electrically connected.

According to a preferred embodiment of the present invention, part of the conductive coating or the first part of the conductive sheet extends into the first through hole, and contacts and electrically connects with the first bump.

According to a preferred embodiment of the present utility model, the circuit connection board is provided with a third through hole, and the connecting terminal is inserted into the third through hole; the second conductive coating or the conductive sheet The part is in contact with the connecting terminal and is electrically connected.

According to a preferred embodiment of the present invention, part of the conductive coating or the second part of the conductive sheet extends into the third through hole, and is in contact with the connection terminal for electrical connection.

According to a preferred embodiment of the present invention, the conductive coating or the first part and the second part of the conductive sheet connect the components in series in the electrical connection circuit between the connecting terminal and the housing, or The first portion and the second portion of the conductive coating or conductive sheet are electrically connected through the component.

According to a preferred embodiment of the present invention, the circuit connection plate is provided with a conductive coating or a conductive sheet, and a plurality of connection terminals are electrically connected to the housing through the conductive coating or the conductive sheet, or multiple The two connecting terminals are electrically connected to each other through a conductive coating or a conductive sheet and the components.

According to a preferred embodiment of the present invention, the connecting terminal is L-shaped, the connecting terminal is installed on the circuit connecting board, one end protrudes from the circuit connecting board, and the other end is located in the cavity and faces the first opening.

According to a preferred embodiment of the present invention, the circuit connection board is a printed circuit board; a conductive coating is provided on the printed circuit board.

According to a preferred embodiment of the present invention, the housing body is further provided with an ear plate, and the ear plate protrudes from the outer surface of the housing body.

According to a preferred embodiment of the present invention, the components are arranged in the cavity or on the circuit connection board.

The second purpose of the utility model is to provide a connector assembly that is easy to maintain in order to overcome the deficiencies in the prior art.

In order to achieve the above purpose, through the following technical solutions:

The connector assembly is characterized in that it includes a connector plug and the aforementioned connector socket; the connector plug is provided with mating terminals; the connector plug is removably plugged into the connector socket, the The connecting terminal is removably inserted into the mating terminal.

According to a preferred embodiment of the present utility model, the outer surface of the connector plug is provided with a third protrusion, and the housing or the circuit connection board is provided with a fourth through hole; the connector plug is inserted into the When in the cavity, the third protrusion is embedded in the fourth through hole.

The third purpose of the utility model is to provide a bus bar assembly which is easy to maintain in order to overcome the deficiencies in the prior art.

In order to achieve the above purpose, through the following technical solutions:

The bus bar assembly is characterized by comprising a metal bus bar body and the aforementioned connector socket or the aforementioned connector assembly.

According to a preferred embodiment of the present invention, the housing is a metal housing and is electrically connected to the bus bar body.

The fourth purpose of the utility model is to provide a battery device which is easy to maintain in order to overcome the deficiencies in the prior art.

In order to achieve the above purpose, through the following technical solutions:

The battery device is characterized in that it includes a plurality of battery cells and the aforementioned busbar assembly, and the plurality of battery cells are electrically connected to the metal busbar body.

The connector socket, the connector assembly, the busbar assembly and the battery device provided by the utility model are mechanically connected and electrically connected by the housing, and have various functions. The connection terminals and corresponding components are arranged on the circuit connection board. When the connection terminals or components are damaged, the components can be easily removed or connected with the circuit connection board from the housing, so as to facilitate replacement and maintenance. In actual use, the housing is welded on the busbar, and the housing can be used for both electrical conduction and mechanical connection. The circuit connection board is used to install and set temperature and voltage detection components or short circuit protection components. Since it is closer to the battery core, the detection and protection work is more efficient and takes less time. According to actual use requirements, the utility model can be conveniently provided with various functional components on the circuit connection board, and the maintenance is convenient. The components are arranged in the electrical connection circuit between the housing and the connection terminal or in the electrical connection circuit between two or more connection terminals, so as to facilitate the detection or control of the circuit state. A conductive coating or a conductive sheet is arranged in the first through hole, so that the first through hole can be used for both mechanical connection and electrical connection, and the structure is simple but the functions are diverse.

Description of drawings

FIG. 1 is a schematic structural diagram of a connector assembly in Embodiment 1 of the present utility model.

FIG. 2 is a side view of the connector assembly in FIG. 1 .

Fig. 3 is a schematic diagram of the structure of the connector plug in Embodiment 1 of the present utility model.

Fig. 4 is a schematic structural diagram of the connector socket in Embodiment 1 of the present invention.

Fig. 5 is a schematic diagram of the housing structure in Embodiment 1 of the present utility model.

Fig. 6 is a schematic structural diagram of the circuit connection board in Embodiment 1 of the present invention.

Fig. 7 is a schematic diagram of the structure of the connecting terminal in the present invention.

Fig. 8 is a schematic structural diagram of the connector assembly in Embodiment 2 of the present invention.

FIG. 9 is a side view of the connector assembly in FIG. 8 .

Fig. 10 is a schematic diagram of the structure of the connector plug in Embodiment 2 of the present utility model.

Fig. 11 is a schematic diagram of the structure of the connector socket in Embodiment 2 of the present utility model.

Fig. 12 is a schematic diagram of the housing structure in Embodiment 2 of the present utility model.

Fig. 13 is a schematic structural diagram of the circuit connection board in Embodiment 2 of the present invention.

Fig. 14 is a schematic structural diagram of the bus bar assembly in the present invention.

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail:

Example 1

As shown in FIG. 1 , FIG. 2 , FIG. 3 and FIG. 4 , the connector assembly 100 includes a connector plug 110 and a connector socket 130 . The connector plug 110 is removably plugged into the connector socket 130 . The connector plug 110 is provided with mating terminals 111 . The connector receptacle 130 is provided with connection terminals 131 . When the connector plug 110 is plugged into the connector receptacle 130 , the mating terminal 111 and the connection terminal 131 are removably plugged together to realize electrical connection. According to a preferred embodiment of the present invention, the mating terminal 111 is tubular, and the connecting terminal 131 is rod-shaped, both of which are two in number. The outer surface of the connector plug 110 is provided with a third protrusion 112 . The connector socket 130 is provided with a fourth through hole 156 . When the connector plug 110 is plugged into the connector receptacle 130 , the third protrusion 112 is inserted into the fourth through hole 156 , and the connector plug 110 is fixedly connected to the connector receptacle 130 . The mating terminal 112 is connected with a wire 113, and the wire 113 is used for transmitting electric current or electric signal.

As shown in FIG. 4 , FIG. 5 , FIG. 6 and FIG. 7 , the connector socket 130 includes a housing 140 , a circuit connection board 150 and two connection terminals 131 . The casing 144 is provided with a cavity 143 , a first opening 141 and a second opening 142 . Both the first opening 141 and the second opening 142 communicate with the cavity 143 . The circuit connecting board 150 is installed on the casing 140 to cover the second opening 142 . According to a preferred embodiment of the present invention, the circuit connection board 150 is detachably installed on the housing 140 . The circuit connection board 150 is used for mounting the connection terminals 131 and components. The first opening 141 is used for receiving the connector plug 110 into the cavity 143 . The connector plug 110 is inserted into the cavity 143 from the first opening 141 , so that the mating terminal 111 is inserted into the connection terminal 131 . The casing 140 is surrounded by a base plate 145 , two side wall plates 146 and a rear cover plate 147 to define the cavity 143 . The first opening 142 is located at the front of the housing 140 , and the rear cover 147 is located at the rear of the side wall 146 . The first opening 141 is opposite to the rear cover 147 . The opening of the first opening 141 faces forward, the opening of the second opening 142 faces upward, and the two directions are vertical. The shell 140 is further provided with an ear plate 171 , and the ear plate 171 protrudes from the outer surface of the shell 140 . The ear plate 171 can be set on the rear cover plate 147 or on the side wall plate 146 . In the example shown in the figure, two lug plates 171 are respectively disposed on the two side wall plates 146 . The ear plate 161 is used for mechanical connection with other structures, so as to facilitate the installation and fixation of the housing 140 . Two pressing claws 148 are respectively arranged on the two side wall plates 146 . Each pressing claw 148 is connected to the side wall plate 146 of the housing 140 through an extension plate 149 . The pressing claw 148 extends from the edge of the second opening 142 to the middle. The extension plate 149 is elastically provided.

The circuit connection board 150 is provided with a third through hole 155 . The connection terminal 131 is L-shaped, one end is inserted into the third through hole 155 , and the other end is located in the cavity 143 and faces the first opening 141 . A conductive coating or a conductive sheet is provided on the circuit connection board 150, and the conductive coating or the conductive sheet is used for conducting electricity. In the preferred example shown in the figure, the conductive coating 151 is disposed on the surface of the circuit connection board 150 and extends into the third through hole 155 . The two connection terminals 131 are in contact with the conductive coating 151 in the third through hole 155 to realize electrical connection. Components are also arranged on the circuit connection board 150 . The component may be a component that detects the state of the circuit formed by the two connection terminals 131, or may be a component that controls the circuit. The components can be temperature and voltage detection components, or short-circuit protection components, which can be determined according to the application occasion and use requirements. In the example shown, the component is a temperature detection component 181 . The temperature detection element 181 is connected in series in the conductive coating 151 between the two connection terminals 131 , and in the preferred example shown in the figure, the conductive coating 151 disposed in the two third through holes 155 does not touch. The conductive coating 151 in the two third through holes 155 is electrically connected through a short-circuit temperature detection component 181 . A fourth through hole 156 is also provided on the circuit connection board 150 for matching with the third protrusion 112 on the connector plug 110 .

The circuit connecting board 150 is detachably disposed on the housing 140 for covering the second opening 142 and for installing the connecting terminals 131 and components 181 . Two flanges 152 are respectively arranged on two sides of the circuit connecting plate 150 . The flange 152 protrudes from the side surface of the circuit connection board 150 and is integrated with the circuit connection board 150 . The circuit connection board 150 is connected to the housing 140 through the protrusion and the groove or the through hole. The bump is disposed on one of the circuit connection board 150 and the housing 140 , and the groove or through hole is disposed on the other of the circuit connection board 150 and the housing 140 . In the preferred example shown, the bumps comprise first bumps 161 . The first protrusion 161 is disposed on the side wall plate 146 , and the first protrusion 161 protrudes upward from the side wall plate 146 . The first protrusion 161 is located between the extension plate 149 and the rear cover 147 . The through holes include a first through hole 153 . The first through hole 153 is disposed on the circuit connection board 150 . The first bump 161 is inserted upward into the first through hole 153 to mechanically connect the circuit connection board 150 to the housing 140 . The relative movement of the circuit connection board 150 and the housing 140 in the horizontal direction is limited by the cooperation of the first protrusion 161 with the first through hole 153 . In the preferred example shown in the figure, the bump further includes a second bump 154 and the through hole further includes a second through hole 144 . The second bump 154 is disposed on the circuit connection board 150 and protrudes backward from the circuit connection board 150 . The second through hole 144 is disposed on the rear cover 147 . The second protrusion 154 is inserted into the second through hole 144 backward. Through the cooperation between the second protrusion 154 and the second through hole 144 , the relative movement of the circuit connecting board 150 and the housing 140 in the up-down direction is limited. The circuit connection board 150 is located at the upper end of the housing 140 , and the extension board 149 and the rear cover 147 are respectively located at two sides of the flange 151 to clamp the circuit connection board 150 together. The pressing claw 148 is pressed against the upper surface of the front end of the circuit connection board 150 . The extension plate 149 is elastically arranged so that the pressing claw 148 can be moved, so that the circuit connection board 150 can be placed under the pressing claw 148 and can be easily removed from under the pressing claw 148 .

The flange 152 is supported on the side wall plate 145 so as not to move downward. The pressing claw 148 presses against the upper surface of the circuit connection board 150 at the front end of the circuit connection board 150 to limit the upward movement of the circuit connection board 150 . The second protrusion 154 is inserted into the second through hole 144 backward, and the rear end can limit the movement of the circuit connection board 150 in the up and down direction. The first protrusion 161 cooperates with the first through hole 152 , and the extension plate 149 clamps the flange 153 with the rear cover 147 , so as to limit the relative movement between the circuit connection plate 150 and the housing 140 in the horizontal direction.

In actual use, the housing 140 is installed and fixed in the application. The circuit connection board 150 is used for installing connection terminals and components, and since it is closer to the battery core, the work efficiency of detection and protection is higher and the time is shorter. According to actual use requirements, the utility model can be conveniently provided with various functional components on the circuit connection board, and the maintenance is convenient.

Example 2

As shown in FIG. 8 , FIG. 9 , FIG. 10 and FIG. 11 , the connector assembly 100 includes a connector plug 110 and a connector socket 130 . The connector plug 110 is removably plugged into the connector socket 130 . The connector plug 110 is provided with mating terminals 111 . The connector receptacle 130 is provided with connection terminals 131 . When the connector plug 110 is plugged into the connector receptacle 130 , the mating terminal 111 and the connection terminal 131 are removably plugged together to realize electrical connection. According to a preferred embodiment of the present invention, the mating terminal 111 is tubular, and the connecting terminal 131 is rod-shaped, both of which are two in number. The outer surface of the connector plug 110 is provided with a third protrusion 112 . The connector socket 130 is provided with a fourth through hole 156 . When the connector plug 110 is plugged into the connector receptacle 130 , the third protrusion 112 is inserted into the fourth through hole 156 , and the connector plug 110 is fixedly connected to the connector receptacle 130 . The mating terminal 112 is connected with a wire 113, and the wire 113 is used for transmitting electric current or electric signal.

As shown in FIG. 7 , FIG. 12 and FIG. 13 , the connector socket 130 includes a housing 140 , a circuit connection board 150 and two connection terminals 131 . The casing 144 is provided with a cavity 143 , a first opening 141 and a second opening 142 . Both the first opening 141 and the second opening 142 communicate with the cavity 143 . The circuit connecting board 150 is installed on the casing 140 to cover the second opening 142 . According to a preferred embodiment of the present invention, the circuit connection board 150 is detachably installed on the housing 140 . The circuit connection board 150 is used for mounting the connection terminals 131 and components. The first opening 141 is used for receiving the connector plug 110 into the cavity 143 . The connector plug 110 is inserted into the cavity 143 from the first opening 141 , so that the mating terminal 111 is inserted into the connection terminal 131 . The casing 140 is surrounded by a base plate 145 , two side wall plates 146 and a rear cover plate 147 to define the cavity 143 . The first opening 142 is located at the front of the housing 140 , and the rear cover 147 is located at the rear of the side wall 146 . The first opening 141 is opposite to the rear cover 147 . The opening of the first opening 141 faces forward, the opening of the second opening 142 faces upward, and the two directions are vertical. The shell 140 is further provided with an ear plate 171 , and the ear plate 171 protrudes from the outer surface of the shell 140 . The ear plate 171 can be set on the rear cover plate 147 or on the side wall plate 146 . In the example shown in the figure, two lug plates 171 are respectively disposed on the two side wall plates 146 . The ear plate 161 is used for mechanical connection with other structures, so as to facilitate the installation and fixation of the housing 140 . Two first protrusions 161 are respectively disposed on each side wall plate 146 .

The circuit connection board 150 is provided with a third through hole 155 . The connection terminal 131 is L-shaped, one end is inserted into the third through hole 155 , and the other end is located in the cavity 143 and faces the first opening 141 . The circuit connecting board 150 is disposed on the casing 140 for covering the second opening 142 and for installing the connecting terminals 131 and components. The circuit connection board 150 is detachably connected to the housing 140 by matching the protrusions with the grooves or the through holes. The bump is disposed on one of the circuit connection board 150 and the housing 140 , and the groove or through hole is disposed on the other of the circuit connection board 150 and the housing 140 . In the preferred example shown, the bumps comprise first bumps 161 . Each side wall plate 146 is provided with two first protrusions 161 distributed at intervals. The first protrusion 161 protrudes upward from the side wall plate 146 . The through holes include a first through hole 153 . The first through holes 153 are disposed on the circuit connection board 150 , and the number and position thereof are adapted to the first protrusions 161 . Each first protrusion 161 is inserted upward into a first through hole 153 to mechanically connect the circuit connection board 150 with the housing 140 . The relative movement of the circuit connection board 150 and the housing 140 in the horizontal direction is limited by the cooperation of the first protrusion 161 with the first through hole 153 . In the preferred example shown in the figure, the bump further includes a second bump 154 and the through hole further includes a second through hole 144 . The second bump 154 is disposed on the circuit connection board 150 and protrudes backward from the circuit connection board 150 . The second through hole 144 is disposed on the rear cover 147 . The second protrusion 154 is inserted into the second through hole 144 backward. Through the cooperation between the second protrusion 154 and the second through hole 144 , the relative movement of the circuit connecting board 150 and the housing 140 in the up-down direction is limited.

The casing 140 is a conductive casing. A conductive coating or a conductive sheet is provided on the circuit connection board 150, and the conductive coating or the conductive sheet is used for conducting electricity. In the preferred example shown in the figure, two parts of conductive coating 151 are provided on the surface of circuit connection board 150 . The first part of the conductive coating 151 extends into the first through hole 155 and contacts the first bump 161 to realize electrical connection. The second part of the conductive coating 151 extends into the third through hole 155 to contact the connecting terminal 131 to realize electrical connection. The first portion of conductive coating 151 is not in contact with the second portion of conductive coating 151 . Components are also arranged on the circuit connection board 150 . The component may be a component that detects the state of the circuit connected to the connection terminal 131, or may be a component that controls the circuit. The components can be voltage detection components or short-circuit protection components, which can be determined according to the application occasion and use requirements. In the example shown, the components are two short circuit protection components 182 . Two short-circuit protection components 182 are respectively connected in series in the circuit between the two connection terminals 131 and the casing 140 to protect the circuit with the two connection terminals 131 , and can disconnect the circuit for protection in case of a short circuit. The first part of the conductive coating 151 is electrically connected to a second part of the conductive coating 151 through a short circuit protection component 182 . In the preferred example shown in the figure, the two ends of the short circuit protection component 182 are respectively electrically connected to the first part of the conductive coating and the second part of the conductive coating. Each connection terminal 131 is electrically connected to the casing 140 through the first part of the conductive coating 151 , the short circuit protection component 182 , and the second part of the conductive coating 152 .

The first bump 161 fits with the first through hole 152 , and the second bump 154 fits with the second through hole 144 to detachably connect the circuit connection board 150 to the housing 140 .

Example 3

The busbar assembly includes a metal busbar body 200, and the connector socket 130 and the connector assembly 100 in the first embodiment or the connector socket 130 or the connector assembly in the second embodiment. The housing 140 is installed on the metal busbar body 200 . In use, multiple battery cells are connected in series and/or in parallel through the metal busbar body 200 to form an output circuit. The temperature detection element 181 and the short circuit protection element 182 on the connector receptacle 130 perform their respective functions. In the preferred embodiment shown in FIG. 14 , the metal bus bar body 200 is provided with the connector assembly 100 in the first or second embodiment. The housing 140 is welded to the metal busbar body 200 or connected by fasteners. According to the needs of use, the housing 140 can be a conductive housing or a non-conductive housing.

A battery device, especially a lithium-ion battery, can be manufactured after the battery busbar in this embodiment is arranged in the battery box and electrically connected to the battery core. The utility model is particularly suitable for lithium ion batteries used in automobiles.

The short-circuit protection components or voltage detection components in the utility model can also be replaced by current detection components or temperature detection components, or replaced by other components and circuit protection components.

In the present utility model, the directions of up, down, left, right, front and back are based on Fig. 2, the left side is the front side, and the right side is the back side.

The connector socket, the connector assembly, the busbar assembly and the battery device provided by the utility model are mechanically connected and electrically connected by the housing, and have various functions. The connection terminals and corresponding components are arranged on the circuit connection board. When the connection terminals or components are damaged, the components can be easily removed or connected with the circuit connection board from the housing, so as to facilitate replacement and maintenance. In actual use, the housing is welded on the busbar, and the housing can be used for both electrical conduction and mechanical connection. The circuit connection board is used to install and set temperature and voltage detection components or short circuit protection components. Since it is closer to the battery core, the detection and protection work is more efficient and takes less time. According to actual use requirements, the utility model can be conveniently provided with various functional components on the circuit connection board, and the maintenance is convenient. The components are arranged in the electrical connection circuit between the housing and the connection terminal or in the electrical connection circuit between two or more connection terminals, so as to facilitate the detection or control of the circuit state. A conductive coating or a conductive sheet is arranged in the first through hole, so that the first through hole can be used for both mechanical connection and electrical connection, and the structure is simple but the functions are diverse.

The embodiments in the utility model are only used to illustrate the utility model, and do not constitute a limitation to the scope of the claims. Other substantially equivalent substitutions conceivable by those skilled in the art are all within the protection scope of the utility model .

Claims (28)

1. The connector socket is characterized in that, comprising: A housing, the housing is provided with a cavity, a first opening and a second opening, both the first opening and the second opening communicate with the cavity; the first opening is used to accommodate a connector plug into the cavity; a circuit connection plate, the circuit connection plate is fixedly mounted on the housing; Connecting terminals, the connecting terminals are installed on the circuit connecting board and located in the cavity, and are used for plugging in with mating terminals; A component is electrically connected to the connecting terminal. 2 . The connector socket according to claim 1 , wherein the orientation of the first opening is perpendicular to the orientation of the second opening. 3. The connector socket according to claim 1, wherein the housing is surrounded by a base plate, two side wall plates and a rear cover to form the cavity; the first opening is located in the housing The front side of the body is opposite to the position of the rear cover; The lower end of the side wall plate is connected with the base plate; the circuit connection plate is arranged at the upper end of the side wall plate and connected with the side wall plate and the rear cover plate. 4. The connector socket according to claim 3, characterized in that, the upper ends of the two side wall plates are respectively provided with pressing claws, and the pressing claws extend from the two side wall plates and protrude from the side The upper surface of the wall plate; the pressing claw is pressed against the upper surface of the circuit connection plate. 5 . The connector socket according to claim 4 , wherein the pressing claw is mounted on the side wall plate through an extension plate, and the extension plate is elastically arranged. 5 . 6. The connector socket according to claim 5, characterized in that flanges are respectively provided on both sides of the circuit connection board, and the flanges are integrated with the circuit connection board; the extension board and the The rear cover is respectively located on both sides of the flange, and clamps the flange together. 7. The connector socket according to claim 1, wherein the circuit connection board is detachably connected to the housing. 8. The connector socket according to claim 3, characterized in that, the circuit connection board and the housing are mated and connected through protrusions and through holes; the protrusions are arranged on the housing and the housing On one of the circuit connection boards, the through hole is arranged on the other of the housing and the circuit connection board. 9. The connector receptacle according to claim 8, wherein the protrusion comprises a first protrusion, and the first protrusion is arranged on the side wall plate and is integrated with it; the through hole It includes a first through hole, the first through hole is arranged on the circuit connection board; the first bump is inserted into the first through hole. 10. The connector socket according to claim 9, wherein the first bump is integrated with the housing and is conductive, and the circuit connection plate is provided with a conductive coating or a conductive sheet, so that The connecting terminal is electrically connected to the first bump and the housing through the conductive coating or the conductive sheet. 11. The connector socket according to claim 10, wherein the first protrusion is disposed on the side wall plate and protrudes upward from the side wall plate. 12. The connector receptacle according to claim 9, wherein the protrusion comprises a second protrusion, the second protrusion is disposed on the circuit connection board, and the through hole comprises a second through hole The second through hole is provided on the rear cover; the second protrusion is inserted into the second through hole. 13. The connector socket according to claim 12, wherein the second protrusion is disposed at the rear end of the circuit connection board and protrudes backward from the rear end of the circuit connection board. 14. The connector socket according to claim 10, wherein the housing is a conductive housing; the surface of the circuit connection board is provided with a conductive coating or a conductive sheet, and the conductive coating or the The first part of the conductive sheet is electrically connected to the first bump and/or the casing. 15. The connector socket according to claim 14, wherein a part of the conductive coating or the first part of the conductive sheet extends into the first through hole and is in contact with the first bump. contact electrical connection. 16. The connector socket according to claim 14, wherein the circuit connection plate is provided with a third through hole, and the connecting terminal is inserted into the third through hole; the conductive coating or The second part of the conductive sheet is in contact with the connection terminal and is electrically connected. 17. The connector socket according to claim 16, wherein a part of the conductive coating or the second part of the conductive sheet extends into the third through hole and contacts with the connecting terminal electrical connection. 18. The connector socket according to claim 17, wherein the conductive coating or the first part and the second part of the conductive sheet connect the components in series between the connecting terminal and the housing In the electrical connection circuit, or the first part and the second part of the conductive coating or the conductive sheet are electrically connected through the component. 19. The connector socket according to claim 1, wherein a conductive coating or a conductive sheet is provided on the circuit connection plate, and a plurality of connection terminals are connected to the conductive coating or the conductive sheet with the The shells are electrically connected, or a plurality of the connection terminals are electrically connected to each other through the conductive coating or the conductive sheet and the components. 20. The connector socket according to claim 1, wherein the connection terminal is L-shaped, the connection terminal is installed on the circuit connection board, one end protrudes from the circuit connection board, and the other end is located on the circuit connection board. Inside the cavity and facing the first opening. 21. The connector socket according to claim 1, wherein the circuit connection board is a printed circuit board; and a conductive coating is provided on the printed circuit board. 22. The connector socket according to claim 1, wherein an ear plate is further provided on the housing body, and the ear plate protrudes from an outer surface of the housing body. 23. The connector socket according to claim 1, wherein the components are arranged in the cavity or on the circuit connection board. 24. The connector assembly, characterized in that it comprises a connector plug and the connector socket according to any one of claims 1 to 23; the connector plug is provided with mating terminals; the connector plug and the The connector socket is pluggable, and the connecting terminal is pluggably pluggable to the mating terminal. 25. The connector assembly according to claim 24, wherein a third protrusion is provided on the outer surface of the connector plug, and a fourth through hole is provided on the housing or the circuit connection board; When the connector plug is inserted into the cavity, the third protrusion is inserted into the fourth through hole. 26. A busbar assembly, characterized by comprising a metal busbar body and the connector socket according to any one of claims 1 to 23 or the connector assembly according to claim 24 or 25. 27. The busbar assembly according to claim 26, wherein the housing is a metal housing and is electrically connected to the busbar body. 28. The battery device, comprising a plurality of battery cells and the bus bar assembly according to claim 26 or 27, the plurality of battery cells being electrically connected to the metal bus bar body.