Terminal block insert and BMS board

Abstract

The utility model provides a terminal block plug-in and a BMS board. The terminal block plug-in comprises a rubber core, a first copper terminal and a second copper terminal. The rubber core is provided with a first positioning groove and a second positioning groove. The first copper terminal is arranged in the first positioning groove. The first copper terminal comprises a first copper sheet and a second copper sheet which are connected. The first copper sheet is provided with a connecting pin, and the connecting pin is located outside the first positioning groove and used for being electrically connected with the BMS board. The second copper sheet is used for being detachably and electrically connected with a battery cathode. The second copper terminal is arranged in the second positioning groove and comprises a third copper sheet and a fourth copper sheet which are connected with each other; and the third copper sheet and the fourth copper sheet are detachably and electrically connected with the positive electrode of the battery and the driving device respectively. The terminal block plug-in is arranged on the BMS board. According to the terminal block plug-in and the BMS board, the battery and the driving device are convenient to replace, and the loss is effectively reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery connector technology, and in particular to a terminal block plug and a BMS board. Background Technology

[0002] A Battery Management System (BMS) board is a drive board installed on the battery for managing its power. The battery forms an electrical connection with external drive devices through the BMS board. The positive terminal of the battery is connected to the drive devices, and the negative terminal of the battery is connected to the drive devices through the BMS board.

[0003] In existing technologies, the drive device is directly connected to the positive terminal of the battery via a wire. Replacing the drive device requires disassembling the connection structure with the battery, which is inconvenient and can easily damage the battery. Similarly, the negative terminal of the battery is also directly connected to the BMS board via a wire. Replacing the battery is also inconvenient and can easily damage the BMS board.

[0004] Therefore, it is necessary to provide a terminal block plug-in and a BMS board to solve the above-mentioned technical problems. Utility Model Content

[0005] This invention provides a terminal block plug and a BMS board, which makes it convenient to replace batteries and drive components and effectively reduces losses.

[0006] The technical solution of this utility model is as follows:

[0007] A terminal block connector, comprising:

[0008] The rubber core is provided with a first positioning groove and a second positioning groove;

[0009] A first copper terminal, disposed in the first positioning groove, includes a first copper plate and a second copper plate connected together; the first copper plate is provided with a connecting foot, the connecting foot being located outside the first positioning groove, for electrical connection with the BMS board; the second copper plate is used for detachable electrical connection with the negative terminal of the battery; and...

[0010] The second copper terminal is disposed in the second positioning groove. The second copper terminal includes a third copper sheet and a fourth copper sheet connected together. The third copper sheet and the fourth copper sheet are respectively used for detachable electrical connection with the positive terminal of the battery and the driving device.

[0011] In the terminal block plug-in of this utility model, the core is cuboid, the first positioning groove and the second positioning groove are arranged along the first direction, the first copper sheet and the second copper sheet are connected in an L-shape, the third copper sheet and the fourth copper sheet are connected in an L-shape, the second copper sheet and the third copper sheet are parallel and located on the same side of the core in the second direction, and the first direction is perpendicular to the second direction.

[0012] In the terminal block plug-in of this utility model, the first copper sheet is located on the side of the adhesive core facing the third direction, and the fourth copper sheet is located on the side of the adhesive core facing away from the first copper terminal in the first direction. The third direction is perpendicular to the first direction and the second direction.

[0013] In the terminal block plug-in of this utility model, the first positioning groove is provided with a first insertion port and a first connection port, the second positioning groove is provided with a second insertion port, a second connection port and a third connection port, the first insertion port and the second insertion port are both located on the same side of the adhesive core in the third direction, the first copper sheet is located at the first insertion port, the second copper sheet is inserted into the first positioning groove along the third direction, the third copper sheet and the fourth copper sheet are inserted into the second positioning groove along the third direction, and the first connection port, the second connection port and the third connection port are respectively provided corresponding to the second copper sheet, the third copper sheet and the fourth copper sheet.

[0014] In the terminal block plug-in of this utility model, the first copper terminal further includes a first screw, which is threadedly connected to the second copper sheet; the second copper terminal further includes a second screw and a third screw, which are threadedly connected to the third copper sheet and the fourth copper sheet, respectively.

[0015] In the terminal block plug-in of this utility model, the terminal block plug-in further includes a first protective cover and a second protective cover; the first protective cover is detachably installed on the first connection port and the second connection port; the second protective cover is detachably installed on the third connection port.

[0016] In the terminal block plug described in this utility model, the terminal block plug also includes a cover, which is detachably disposed at the second insertion port.

[0017] In the terminal block plug-in of this utility model, the first copper terminal further includes a fifth copper piece, which is connected to the end of the first copper piece away from the second copper piece; the first positioning groove is provided with a first snap-fit ​​groove and a second snap-fit ​​groove on both opposite side walls in the first direction, and the first snap-fit ​​groove and the second snap-fit ​​groove both extend along the third direction, the two edges of the first copper piece are respectively snapped into the two first snap-fit ​​grooves, and the two edges of the fifth copper piece are respectively snapped into the two second snap-fit ​​grooves.

[0018] In the terminal block plug-in of this utility model, a fourth snap-fit ​​groove is provided on the side wall of the second positioning groove facing the fourth copper piece, and the edge of the third copper piece away from the fourth copper piece is located in the fourth snap-fit ​​groove; a fifth snap-fit ​​groove is provided on the side wall of the second positioning groove facing the third copper piece, and the edge of the fourth copper piece away from the third copper piece is located in the fifth snap-fit ​​groove; a limiting post is provided on the side wall of the second positioning groove facing the second insertion port, and is provided at the connection between the third copper piece and the fourth copper piece to limit the movement of the third copper piece and the fourth copper piece.

[0019] Another technical solution of this utility model is:

[0020] A BMS board, wherein the BMS board is provided with the aforementioned terminal block plug.

[0021] Compared to existing technologies, the advantages of this invention are as follows: When the battery needs to be replaced, the terminal block plug and BMS board of this invention disconnect the negative terminal of the battery from the second copper plate and the positive terminal from the third copper plate, without involving the structure connected to the driving components, thus effectively protecting the driving components. When the driving components need to be replaced, the driving components are disconnected from the fourth copper plate and the BMS board, without involving the structure connected to the battery, thus effectively protecting the battery. The terminal block plug and BMS board of this invention facilitate battery and driving component replacement, effectively reducing losses. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments are briefly introduced below. The drawings described below are only the corresponding drawings of some embodiments of this utility model.

[0023] Figure 1 This is a schematic diagram of the terminal block plug provided in a preferred embodiment of the present invention.

[0024] Figure 2 A partial structural schematic diagram of the terminal block plug provided in a preferred embodiment of this utility model.

[0025] Figure 3 A schematic diagram of the structure of the first copper terminal of the terminal block plug provided in a preferred embodiment of this utility model.

[0026] Figure 4 A schematic diagram of the structure of the second copper terminal of the terminal block plug provided in a preferred embodiment of this utility model.

[0027] Figure 5 This is a schematic diagram of the core structure of the terminal block plug provided in a preferred embodiment of the present invention.

[0028] in,

[0029] 11. Glue core,

[0030] 111. First positioning slot; 1111. First insertion port; 1112. First connection port; 1113. First snap-fit ​​slot; 1114. Second snap-fit ​​slot.

[0031] 112. Second positioning slot; 1121. Second insertion port; 1122. Second connection port; 1123. Third connection port; 1124. Fourth locking slot; 1125. Fifth locking slot; 1126. Limiting post.

[0032] 12. First copper terminal; 121. First copper plate; 1211. Connecting pin; 122. Second copper plate; 123. First screw; 124. Fifth copper plate.

[0033] 13. Second copper terminal; 131. Third copper plate; 132. Fourth copper plate; 133. Second screw; 134. Third screw.

[0034] 14. First protective shield,

[0035] 15. Second protective shield,

[0036] 16. Cover.

[0037] In the diagram, units with similar structures are represented by the same labels. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0039] The directional terms mentioned in this utility model, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", are only for reference to the orientation of the accompanying drawings. The directional terms used are for the purpose of explaining and understanding this utility model, and are not intended to limit this utility model.

[0040] The terms "first" and "second" in this utility model are used for descriptive purposes only and should not be construed as indicating or implying relative importance, nor as a restriction on the order of events.

[0041] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0042] In existing technologies, the drive device is directly connected to the positive terminal of the battery via a wire. Replacing the drive device requires disassembling the connection structure with the battery, which is inconvenient and can easily damage the battery. Similarly, the negative terminal of the battery is also directly connected to the BMS board via a wire. Replacing the battery is also inconvenient and can easily damage the BMS board.

[0043] The following is a preferred embodiment of the terminal block plug-in and BMS board provided by this utility model, which can solve the above technical problems.

[0044] A preferred embodiment of this utility model provides a terminal block plug and a BMS board. The terminal block plug is provided on the BMS board. Please refer to... Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The terminal block connector includes a core 11, a first copper terminal 12, and a second copper terminal 13. The core 11 has a first positioning groove 111 and a second positioning groove 112. The first copper terminal 12 is located in the first positioning groove 111 and is used to electrically connect the negative terminal of the battery to the BMS board. The first copper terminal 12 includes a first copper piece 121 and a second copper piece 122 connected together. The first copper piece 121 has a connecting pin 1211 located outside the first positioning groove 111 and is used to electrically connect to the BMS board. The second copper piece 122 is used for a detachable electrical connection to the negative terminal of the battery. The second copper terminal 13 is located in the second positioning groove 112 and is used to connect the positive terminal of the battery to the driving device. The second copper terminal 13 includes a third copper piece 131 and a fourth copper piece 132 connected together; the third copper piece 131 and the fourth copper piece 132 are used for detachable electrical connections to the positive terminal of the battery and the driving device, respectively. Figure 1 The x-direction is the first direction, the y-direction is the second direction, and the z-direction is the third direction.

[0045] The terminal block plug and BMS board of this invention, when the battery needs to be replaced, disconnects the negative terminal of the battery from the second copper plate 122 and the positive terminal from the third copper plate 131, without involving the structure connected to the driving device, thus effectively protecting the driving device. When the driving device needs to be replaced, disconnects the driving device from the fourth copper plate 132 and the driving device from the BMS board, without involving the structure connected to the battery, thus effectively protecting the battery. The terminal block plug and BMS board of this invention make battery and driving device replacement convenient and effectively reduce losses.

[0046] Please refer to Figure 2 , Figure 3 , Figure 4 and Figure 5 The core 11 is cuboid in shape. The first positioning groove 111 and the second positioning groove 112 are arranged along a first direction. The first copper sheet 121 and the second copper sheet 122 are connected in an L-shape, as are the third copper sheet 131 and the fourth copper sheet 132. The second copper sheet 122 and the third copper sheet 131 are parallel and located on the same side of the core 11 in a second direction. The first direction is perpendicular to the second direction. This L-shaped structure reduces the spatial dimensions of the first copper terminal 12 and the second copper terminal 13, thereby reducing the overall volume of the terminal block connector.

[0047] Please refer to Figure 2 The first copper sheet 121 is located on the third direction side of the core 11, and the fourth copper sheet 132 is located on the side of the core 11 facing away from the first copper terminal 12 in the first direction. The third direction is perpendicular to the first and second directions. With the above structure, after the connecting pin of the first copper sheet 121 is connected to the BMS board, the first copper sheet 121 is located between the core 11 and the BMS board, and the second copper sheet 122, the third copper sheet 131, and the fourth copper sheet 132 are located on the periphery of the core 11, which facilitates the connection of the second copper sheet 122, the third copper sheet 131, and the fourth copper sheet 132 to the battery or driving device through wires.

[0048] Please refer to Figure 5The first positioning groove 111 is provided with a first insertion port 1111 and a first connection port 1112. The second positioning groove 112 is provided with a second insertion port 1121, a second connection port 1122 and a third connection port 1123. The first insertion port 1111 and the second insertion port 1121 are both located on the same side of the core 11 in the third direction. The first copper piece 121 is located at the first insertion port 1111. The second copper piece 122 is inserted into the first positioning groove 111 along the third direction. The third copper piece 131 and the fourth copper piece 132 are inserted into the second positioning groove 112 along the third direction. The first connection port 1112, the second connection port 1122 and the third connection port 1123 are respectively provided for the second copper piece 122, the third copper piece 131 and the fourth copper piece 132. The second copper piece 122 is inserted into the first positioning groove 111 along a third direction, and the third copper piece 131 and the fourth copper piece 132 are inserted into the second positioning groove 112 along a third direction. The first copper terminal 12 and the second copper terminal 13 can be installed on the same side of the core 11 along a third direction, which facilitates the installation of the first copper terminal 12 and the second copper terminal 13. The first connection port 1112, the second connection port 1122, and the third connection port 1123 are respectively provided for the second copper piece 122, the third copper piece 131, and the fourth copper piece 132, so that the second copper piece 122, the third copper piece 131, and the fourth copper piece 132 are exposed after being inserted into the core 11, which facilitates external connection.

[0049] Please refer to Figure 3 and Figure 4 The first copper terminal 12 further includes a first screw 123, which is threadedly connected to the second copper plate 122; the second copper terminal 13 further includes a second screw 133 and a third screw 134, which are threadedly connected to the third copper plate 131 and the fourth copper plate 132, respectively. The second copper plate 122 is connected to the negative terminal of the battery via a wire. The first screw 123 can be used to press the wire connected to the negative terminal of the battery, making the connection between the wire and the second copper plate 122 stable. The third copper plate 131 is connected to the positive terminal of the battery via a wire. The second screw 133 can be used to press the wire connected to the positive terminal of the battery, making the connection between the wire and the third copper plate 131 stable. The fourth copper plate 132 is connected to the driving device via a wire. The third screw 134 can be used to press the wire connected to the driving device, making the connection between the wire and the fourth copper plate 132 stable. Here, in other embodiments, the second copper plate 122, the third copper plate 131, and the fourth copper plate 132 can also be connected to the battery and the driving device via a detachable electrical connection structure such as an electrical plug-in male-female mechanism.

[0050] Please refer to Figure 1 and Figure 5The terminal block connector also includes a first protective cover 14 and a second protective cover 15; the first protective cover 14 is detachably installed at the first connection port 1112 and the second connection port 1122; the second protective cover 15 is detachably installed at the third connection port 1123. This structure prevents other structures from interfering with the first screw 123, the second screw 133, and the third screw 134, thus preventing loosening.

[0051] Please refer to Figure 1 and Figure 2 The terminal block insert also includes a cover 16, which is detachably disposed in the second insertion port 1121. With the above structure, the second copper terminal 13 can be confined in the second positioning groove 112 to prevent it from falling out and improve connection reliability.

[0052] Please refer to Figure 3 The first copper terminal 12 also includes a fifth copper piece 124, which is connected to the end of the first copper piece 121 facing away from the second copper piece 122. The first positioning groove 111 has a first engaging groove 1113 and a second engaging groove 1114 on each of its opposite side walls in the first direction. Both the first engaging groove 1113 and the second engaging groove 1114 extend in the third direction. The two edges of the first copper piece 121 are respectively engaged in the two first engaging grooves 1113, and the two edges of the fifth copper piece 124 are respectively engaged in the two second engaging grooves 1114. With this structure, the first copper terminal 12 can be stably positioned in the first positioning groove 111.

[0053] Please refer to Figure 2 and Figure 5 A fourth engaging groove 1124 is provided on the side wall of the second positioning groove 112 facing the fourth copper piece 132, and the edge of the third copper piece 131 away from the fourth copper piece 132 is located in the fourth engaging groove 1124. A fifth engaging groove 1125 is provided on the side wall of the second positioning groove 112 facing the third copper piece 131, and the edge of the fourth copper piece 132 away from the third copper piece 131 is located in the fifth engaging groove 1125. A limiting post 1126 is provided on the side wall of the second positioning groove 112 facing the second insertion port 1121, and is located at the connection between the third copper piece 131 and the fourth copper piece 132 to limit the movement of the third copper piece 131 and the fourth copper piece 132. With the above structure, the second copper terminal 13 is stably located in the second positioning groove 112.

[0054] The preferred embodiment of the terminal block plug-in of this utility model is as follows:

[0055] The second copper plate 122 is connected to the negative terminal of the battery via a wire. Tightening the first screw 123 secures the wire connected to the negative terminal. The third copper plate 131 is connected to the positive terminal of the battery via a wire. Tightening the second screw 133 secures the wire connected to the positive terminal. The fourth copper plate 132 is connected to the drive device via a wire. Tightening the third screw 134 secures the wire connected to the drive device. The connecting pin 1211 is plugged into or soldered to the BMS board. The BMS board is electrically connected to the drive device.

[0056] When replacing the battery, loosen the first screw 123, disconnect the wire connecting the second copper plate 122 to the negative terminal of the battery, loosen the second screw 133, disconnect the wire connecting the third copper plate 131 to the positive terminal of the battery, and then the battery can be replaced.

[0057] When replacing the driver, loosen the third screw 134, disconnect the wire connecting the fourth copper plate 132 to the driver, and disconnect the driver and BMS board. Then the driver can be replaced.

[0058] This completes the usage method of the terminal block plug-in in this preferred embodiment.

[0059] This utility model's terminal block plug and BMS board, when the battery needs to be replaced, disconnects the battery's negative terminal from the second copper plate and the battery's positive terminal from the third copper plate, without involving the structure connected to the driving components, thus effectively protecting the driving components. When the driving components need to be replaced, disconnect the driving components from the fourth copper plate and the driving components from the BMS board, without involving the structure connected to the battery, thus effectively protecting the battery. This utility model's terminal block plug and BMS board make battery and driving component replacement convenient and effectively reduce losses.

[0060] In summary, although the present invention has been disclosed above with reference to preferred embodiments, the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the concept of the technical solution of the present invention, should be included within the scope of protection of the present invention.

Claims

1. A terminal block plug-in, characterized in that, include: The rubber core is provided with a first positioning groove and a second positioning groove; A first copper terminal is disposed in the first positioning groove. The first copper terminal includes a first copper sheet and a second copper sheet connected together. The first copper sheet is provided with a connecting foot, which is located outside the first positioning groove and is used for electrical connection with the BMS board. The second copper sheet is used for detachable electrical connection with the negative terminal of the battery. as well as, The second copper terminal is disposed in the second positioning groove. The second copper terminal includes a third copper sheet and a fourth copper sheet connected together. The third copper sheet and the fourth copper sheet are respectively used for detachable electrical connection with the positive terminal of the battery and the driving device.

2. The terminal block plug-in according to claim 1, characterized in that, The core is cuboid in shape. The first positioning groove and the second positioning groove are arranged along the first direction. The first copper sheet and the second copper sheet are connected in an L-shape. The third copper sheet and the fourth copper sheet are connected in an L-shape. The second copper sheet and the third copper sheet are parallel and located on the same side of the core in the second direction. The first direction is perpendicular to the second direction.

3. The terminal block plug-in according to claim 2, characterized in that, The first copper sheet is located on the side of the adhesive core facing the third direction, and the fourth copper sheet is located on the side of the adhesive core facing away from the first copper terminal in the first direction. The third direction is perpendicular to the first direction and the second direction.

4. The terminal block plug-in according to claim 3, characterized in that, The first positioning groove is provided with a first insertion port and a first connection port, and the second positioning groove is provided with a second insertion port, a second connection port and a third connection port. The first insertion port and the second insertion port are both located on the same side of the adhesive core in the third direction. The first copper sheet is located at the first insertion port, the second copper sheet is inserted into the first positioning groove along the third direction, and the third copper sheet and the fourth copper sheet are inserted into the second positioning groove along the third direction. The first connection port, the second connection port and the third connection port are respectively provided corresponding to the second copper sheet, the third copper sheet and the fourth copper sheet.

5. The terminal block plug-in according to claim 4, characterized in that, The first copper terminal further includes a first screw, which is threadedly connected to the second copper sheet; the second copper terminal further includes a second screw and a third screw, which are threadedly connected to the third copper sheet and the fourth copper sheet, respectively.

6. The terminal block plug-in according to claim 5, characterized in that, The terminal block plug-in also includes a first protective cover and a second protective cover; the first protective cover is detachably installed on the first connection port and the second connection port; the second protective cover is detachably installed on the third connection port.

7. The terminal block plug-in according to claim 4, characterized in that, The terminal block plug also includes a cover, which is detachably disposed at the second insertion port.

8. The terminal block plug-in according to claim 4, characterized in that, The first copper terminal also includes a fifth copper piece, which is connected to the end of the first copper piece away from the second copper piece; the first positioning groove is provided with a first snap-fit ​​groove and a second snap-fit ​​groove on the opposite side walls of the first direction, and the first snap-fit ​​groove and the second snap-fit ​​groove both extend along the third direction, the two edges of the first copper piece are respectively snapped into the two first snap-fit ​​grooves, and the two edges of the fifth copper piece are respectively snapped into the two second snap-fit ​​grooves.

9. The terminal block plug-in according to claim 4, characterized in that, A fourth snap-fit ​​groove is provided on the side wall of the second positioning groove facing the fourth copper sheet, and the edge of the third copper sheet away from the fourth copper sheet is located in the fourth snap-fit ​​groove; A fifth snap-fit ​​groove is provided on the side wall of the second positioning groove facing the third copper sheet, and the edge of the fourth copper sheet away from the third copper sheet is located in the fifth snap-fit ​​groove; A limiting post is provided on the side wall of the second positioning groove facing the second insertion port, and is provided at the connection between the third copper sheet and the fourth copper sheet to limit the third copper sheet and the fourth copper sheet.

10. A BMS board, characterized in that, The BMS board is provided with a terminal block plug-in as described in any one of claims 1-9.

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