CCS integrated busbar structure suitable for large battery cell

Abstract

The utility model discloses a CCS integrated busbar structure suitable for a large battery cell, comprising an isolation plate body and a bar body, the isolation plate body is provided with an installation groove, the installation groove is internally provided with a first fool-proof part, the bar body is provided with a second fool-proof part, and the first fool-proof part is provided with a second fool-proof part. And when the second fool-proof part on the bar body corresponds to the first fool-proof part in the mounting groove, the bar body can be arranged in the mounting groove and is clamped and matched with the clamping part on the side wall of the mounting groove. According to the technical scheme, the first fool-proof part is arranged in the mounting groove, and the second fool-proof part is arranged on the bar body, so that when the bar body is mounted, a fool-proof effect can be achieved, the problem of wrong direction mounting of the bar can be prevented, and the assembly efficiency can be improved; in addition, the chip body is mounted in the mounting groove in a clamping manner, so that a hot riveting process is avoided; and compared with the mode of fixing the chip body in a hot riveting mode, the assembling efficiency and the flexibility of disassembly and maintenance of the chip body can be further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the isolating plate, especially to a CCS integrated busbar structure suitable for large battery cells. BACKGROUND

[0002] The isolating plate and the gasket are indispensable core components on the power battery, and often affect the reliability and safety of the product. The existing isolating plate is generally provided with a rectangular mounting groove, and the gasket in a rectangular structure is installed in the mounting groove on the isolating plate by a hot riveting method. Since the gasket adopts a rectangular structure, there is a problem of incorrect installation direction when it is installed in the mounting groove, which leads to rework and affects the assembly efficiency. In addition, the top of the existing gasket is a whole plane. When the gasket top is connected with a terminal, the terminal is connected with a wire, and the gasket is installed in the mounting groove, the wire is tightly attached to the bottom surface of the communication port on the isolating plate or the part of the terminal extending to the communication port and the wire is upwardly warped, which affects the connection effect of the terminal and the gasket. SUMMARY

[0003] In order to overcome the technical defects of the prior art, solve the problem of incorrect installation direction of the gasket during installation, and the problem of low assembly efficiency caused by the hot riveting method for installing the gasket, the purpose of the utility model is to provide a CCS integrated busbar structure suitable for large battery cells to solve the above technical problems.

[0004] The technical solution adopted by the utility model to solve the technical problems is as follows:

[0005] According to one aspect of the utility model, a CCS integrated busbar structure suitable for large battery cells is designed, which comprises: an isolating plate body and a gasket body, the isolating plate body is provided with a mounting groove, the mounting groove is provided with a first foolproof part, the gasket body is provided with a second foolproof part, when the second foolproof part on the gasket body corresponds to the first foolproof part in the mounting groove, the gasket body can be placed in the mounting groove and be clamped and matched with the clamping part on the side wall of the mounting groove.

[0006] By setting the first foolproof part in the mounting groove and the second foolproof part on the gasket body, the gasket body can play a foolproof role when it is installed, preventing the gasket from being incorrectly installed in a direction, and improving the assembly efficiency. In addition, the gasket body is installed in the mounting groove by clamping, eliminating the hot riveting process. Compared with fixing the gasket body by the hot riveting method, the assembly efficiency and the flexibility of disassembly and maintenance of the gasket body can be further improved. The structure is suitable for the CCS integrated busbar through the signal acquisition mode of wire harness, FPC flexible circuit board, etc., and is also suitable for the CCS integrated busbar using the isolating plate of suction or injection.

[0007] The utility model discloses still have better technical scheme for better solving above-mentioned technical defects,

[0008] In some embodiments, the protruding part is arranged on the bar piece body, and the top surface of the protruding part is higher than the bottom surface of the communication port by more than 1mm.

[0009] In some embodiments, the first inclined surface is arranged on the upper portion of the clamping part, and the second inclined surface is arranged on the lower portion of the clamping part.

[0010] In some embodiments, the positioning column is arranged in the mounting slot, and the positioning hole is arranged on the bar piece body and matched with the positioning column.

[0011] In some embodiments, the first foolproof part and the second foolproof part are both inclined surfaces or one is a foolproof column and the other is a foolproof hole.

[0012] In some embodiments, the two rows of mounting slots are arranged on the isolation plate body, and the transversely-through wiring slot and the row of leakage holes are arranged between the two rows of mounting slots.

[0013] In some embodiments, the sampling device positioning slot is arranged on the protruding part.

[0014] In some embodiments, the through hole is arranged at the bottom of the mounting slot. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The CCS integrated busbar structure for large battery cells is shown in the schematic view of one embodiment of the utility model;

[0016] Fig. 2 The CCS integrated busbar structure for large battery cells is shown in the partial top view schematic view;

[0017] Fig. 3 The CCS integrated busbar structure for large battery cells is shown in the partial longitudinal section schematic view;

[0018] REFERENCE NUMERALS:

[0019] 1, isolation plate body; 11, mounting groove; 12, clamping part; 13, through hole; 14, wiring groove; 15, leakage hole; 16, first foolproof part; 17, communication port; 18, positioning column; 2, gasket body; 21, second foolproof part; 22, protruding part; 221, sampling device positioning groove; 23, positioning hole. DETAILED DESCRIPTION

[0020] To make the purpose, technical scheme and advantages of the present application clearer and more comprehensible, the present application will be further described in detail below with reference to specific embodiments and drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present application. In addition, in the following description, the description of known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present application.

[0021] In the description of the present application, it should be understood that the orientation description, such as the orientation or position relationship indicated by up, down, front, back, left, right, etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In the description of the present application, unless otherwise explicitly limited, the words such as setting, mounting, connecting, fixing, etc. should be broadly understood, and the skilled in the art can reasonably determine the specific meaning of the above words in the present application in combination with the specific content of the technical scheme.

[0023] Reference Figs. 1 to 3 As shown in the drawings, the present application provides a CCS integrated busbar structure suitable for large battery cells, which comprises: an isolation plate body 1 and a gasket body 2, the isolation plate body 1 is provided with one or two rows of mounting grooves 11, in this embodiment, the isolation plate body 1 is preferably provided with two rows of mounting grooves 11, each row of mounting grooves 11 is arranged at intervals, one or two clamping parts 12 are arranged on the front and rear sidewalls of the mounting groove 11 respectively, one or two through holes 13 are arranged on the bottom of the mounting groove 11, a transversely penetrating wiring groove 14 and a row of leakage holes 15 are arranged between the two rows of mounting grooves 11, and the bottom surface height of the wiring groove 14 is higher than the bottom surface height of the mounting groove 11.

[0024] The first foolproof part 16 is arranged in the mounting groove 11, and the second foolproof part 21 is arranged on the diaphragm body 2, wherein the first foolproof part 16 and the second foolproof part 21 are both inclined surfaces, or one is a foolproof column and the other is a foolproof hole, and in the embodiment, the first foolproof part 16 and the second foolproof part 21 are both inclined surfaces, so that when the second foolproof part 21 on the diaphragm body 2 corresponds to the first foolproof part 16 in the mounting groove 11, the diaphragm body 2 can be arranged in the mounting groove 11 and be clamped and matched with the clamping part 12 on the side wall of the mounting groove 11, wherein the upper part of the clamping part 12 is provided with a first inclined surface, and the lower part is provided with a second inclined surface, so that when the diaphragm body 2 is installed in the mounting groove 11 by moving downward from above the mounting groove 11, the top edge of the diaphragm body 2 abuts against the second inclined surface on the clamping part 12.

[0025] The protruding part 22 is arranged in the middle of the diaphragm body 2 and is formed by arching the bottom of the diaphragm body 2, the protruding part 22 corresponds to the communication port 17 on one side of the mounting groove 11, the communication port 17 makes the mounting groove 11 communicate with the wiring groove 14, the top surface of the protruding part 22 is higher than the bottom surface of the communication port 17 by more than 1 mm, specifically, the top surface of the protruding part 22 is higher than the bottom surface of the communication port 17 by 1 mm, 1.5 mm, 2 mm, 2.5 mm or 3 mm or even more, and in the embodiment, the top surface of the protruding part 22 is preferably higher than the bottom surface of the communication port 17 by 2.5 mm. The sampling device positioning groove 221 is arranged on the protruding part 22, and the voltage sampling connecting piece and the temperature sensor fixing piece are arranged in the sampling device positioning groove 221, so as to improve the reliability of the sampling signal and improve the production efficiency.

[0026] The positioning column 18 is arranged in the mounting groove 11, and the positioning hole 23 matched with the positioning column 18 is arranged on the diaphragm body 2, so that when the diaphragm body 2 is installed in the mounting groove 11, the upper end of the positioning column 18 protrudes above the diaphragm body 2.

[0027] The above only describes some embodiments of the present application, and those skilled in the art can make some modifications and improvements without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. A CCS integrated busbar structure suitable for large cells, characterized in that, The application relates to an isolation plate body and a baffle plate body, the isolation plate body is provided with a mounting groove, the mounting groove is provided with a first foolproof part, the baffle plate body is provided with a second foolproof part, when the second foolproof part on the baffle plate body corresponds to the first foolproof part in the mounting groove, the baffle plate body can be placed in the mounting groove and is clamped and matched with a clamping part on the side wall of the mounting groove. The baffle plate body is provided with a convex part corresponding to a communication port on one side of the mounting groove, and the top surface of the convex part is higher than the bottom surface of the communication port by more than 1mm.

2. The CCS integrated busbar structure suitable for large cells according to claim 1, characterized in that, The clamping part is provided with a first inclined surface on the upper part and a second inclined surface on the lower part, when the baffle plate body is installed in the mounting groove, the top edge of the baffle plate body abuts against the second inclined surface.

3. The CCS integrated busbar structure suitable for large cells according to claim 1 or 2, characterized in that, The mounting groove is provided with a positioning column, the baffle plate body is provided with a positioning hole matched with the positioning column, when the baffle plate body is installed in the mounting groove, the upper end of the positioning column protrudes above the baffle plate body.

4. The CCS integrated busbar structure suitable for large cells according to claim 1 or 2, characterized in that, The first foolproof part and the second foolproof part are both inclined surfaces or one is a foolproof column and the other is a foolproof hole.

5. The CCS integrated busbar structure suitable for large cells according to claim 1, characterized in that, The isolation plate body is provided with two rows of mounting grooves, a transversely-through wiring groove and a row of leakage holes are arranged between the two rows of mounting grooves.

6. The CCS integrated busbar structure suitable for large cells according to claim 1, characterized in that, The convex part is provided with a sampling device positioning groove.

7. The CCS integrated busbar structure suitable for large cells according to claim 2, characterized in that, The bottom of the mounting groove is provided with a through hole.

8. The CCS integrated busbar structure for large cells of claim 1, wherein, ​

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