New energy automobile power battery circuit board with insulating cover protection mechanism

Abstract

The utility model discloses a new energy automobile power battery circuit board with an insulating cover protection mechanism, which belongs to the technical field of power battery circuit boards and comprises a battery module and an insulating cover, fixed end plates are assembled on two sides of the battery module, limit grooves are formed in the tops of the fixed end plates, and assembly grooves are formed in the fixed end plates; the insulating shield is detachably mounted above the circuit board body at the top of the battery module, and sealing plates are arranged on the two sides of the inner wall of the insulating shield; the sealing protection mechanism is arranged in the limiting groove and used for being matched with the insulating protective cover for sealing and buffering; the positioning mechanism is arranged in the assembling groove and is used for controlling the insulation shield to be quickly disassembled and assembled; according to the utility model, the protection effect on the circuit board can be ensured, the sealing protection performance on the circuit board can be further improved, the anti-insulation cover can be conveniently and rapidly installed in the installation process, meanwhile, the anti-insulation cover can be rapidly disassembled when disassembly and maintenance are needed, and the maintenance efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power battery circuit boards, in particular to a new energy vehicle power battery circuit board with an insulating cover protection mechanism. Background Art

[0002] The voltage and temperature of power batteries are collected using flexible circuit boards (PCBs). Although this type of flexible circuit board has good free bending, folding, and insulation properties, the use environment of power batteries is extremely harsh. The circuit board on the battery is particularly important and fragile, and certain insulation protection measures must be adopted. However, the current protection structure is too simple and cannot play a good protective role. In addition, it is generally troublesome to install and disassemble, which consumes time.

[0003] As in the prior art, the Chinese utility model with publication number: CN210296455U discloses an insulating cover structure of a new energy vehicle power battery circuit board, including a battery module, the battery module is connected to a fixed end plate, and a circuit board is arranged on the battery module, an insulating cover is arranged on the battery module, and a reinforcing rib is connected to the insulating cover, a sealing ring is fixedly installed on the insulating cover, and a buffer pad is fixedly connected inside the insulating cover, a card block is fixedly connected on the insulating cover, and a flame retardant layer is fixedly arranged on the insulating cover, a slide groove is arranged on the fixed end plate, and a slider is slidably connected in the slide groove, a spring is fixedly connected on the slider, and a force-bearing end face is arranged on the slider, and an extrusion end face is arranged on the card block, and a limited position block is fixedly arranged in the slide groove, and the insulating cover can be installed by pressing the insulating cover and the card block extruding the slider. After the installation is completed, the slider is extended to be engaged with the card block, which plays a fixing role, and the installation process of the insulating cover is very convenient and time-saving.

[0004] Through the above technology, it can be known that the protection structure of the power battery circuit board in the existing technology is too simple and cannot play a good protective role. In addition, the installation and disassembly are generally troublesome and time-consuming. Therefore, we need to propose a new energy vehicle power battery circuit board with an insulating cover protection mechanism. Summary of the invention

[0005] The purpose of the utility model is to provide a new energy vehicle power battery circuit board with an insulating cover protection mechanism, which can ensure the protection effect of the circuit board and further improve the sealing protection performance of the circuit board. In addition, the insulating cover can be installed conveniently and quickly during the installation process. At the same time, when disassembly and maintenance are required, it can also be quickly disassembled to improve the maintenance efficiency, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides: a new energy vehicle power battery circuit board with an insulating cover protection mechanism, including a battery module, fixed end plates are assembled on both sides of the battery module, a limiting groove is arranged on the top of the fixed end plate, and an assembly groove is arranged inside the fixed end plate; an insulating shield, the insulating shield is detachably mounted above the circuit board body at the top of the battery module, and sealing plates are arranged on both sides of the inner wall of the insulating shield; a sealing protection mechanism is arranged inside the limiting groove for cooperating with the insulating shield for sealing and buffering, and both ends of the sealing sleeve strip of the sealing protection mechanism are sealed and connected to the surface of the sealing plate; a positioning mechanism is arranged inside the assembly groove for controlling the rapid disassembly and assembly of the insulating shield.

[0007] Preferably, the positioning mechanism includes: a connecting plate movably connected to the inner wall of the assembly groove, and a limit baffle connected to the end of the connecting plate; wherein, an adjustment plate is connected to the bottom of the connecting plate, and a positioning block is fixedly connected to the surface of the limit baffle.

[0008] Preferably, a compression spring is arranged inside the assembly groove, and an end of the compression spring is movably connected to a side surface of the limiting baffle.

[0009] Preferably, a positioning slot is provided on the inner wall of the insulating shield, and the positioning block cooperates with a compression spring to movably engage with the inner wall of the positioning slot.

[0010] Preferably, the sealing protection mechanism includes: a movable plate arranged inside the limiting groove, and limiting plates connected to both sides of the bottom of the movable plate; wherein the bottom of the sealing sleeve is bonded to the top of the movable plate, the surface of the limiting plate is slidably connected to the inner wall of the limiting groove, and a positioning groove is provided at the bottom of the movable plate.

[0011] Preferably, a return spring is arranged inside the positioning groove, the bottom of the limiting groove is connected to a limiting rod, and the bottom end of the return spring is sleeved on the surface of the limiting rod.

[0012] Preferably, sealing pads are connected to both ends of the sealing sleeve strip, guide grooves are provided on both sides of the limiting groove, and both sides of the sealing pad are slidably connected to the inner walls of the guide grooves.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model is provided with the coordinated arrangement of structures such as a fixed end plate, an insulating shield, a sealing plate, a sealing protection mechanism and a positioning mechanism. When in use, the insulating shield can be installed by simply placing the insulating shield on the top of the battery module and pressing downward. At this time, the inner wall of the insulating shield is in close contact with the sealing sleeve strip installed on the surface of the movable plate at the top of the fixed end plate. With the help of the reset spring inside the positioning groove, the sealing sleeve strip can be kept in a sealed connection state, and play a role of buffering and limiting, thereby improving the protection effect of the circuit board body. At the same time, the positioning block on the surface of the limiting baffle plate will be clamped to the inner wall of the positioning slot, which has a limiting assembly effect on the insulating shield. Moreover, the compression spring inside the assembly slot continuously acts on the limiting baffle plate, which keeps the positioning block in a clamped state, thereby ensuring the stability of the structure. When disassembly and maintenance are required, the limiting baffle plate connected to the connecting plate is pressed by pressing the adjusting plate, so that the compression spring is compressed, so that the positioning block is retracted from the inside of the positioning slot, and the restriction on the insulating shield is released, and the insulating shield can be disassembled and removed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the sealing sleeve structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the insulating shield structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the fixed end plate structure of the utility model.

[0019] In the figure: 1. battery module; 2. circuit board body; 3. fixed end plate; 4. insulating shield; 5. positioning slot; 6. reinforcement pad; 7. sealing plate; 8. buffer pad; 9. limit slot; 10. guide slot; 11. limit rod; 12. movable plate; 13. limit plate; 14. positioning slot; 15. reset spring; 16. sealing sleeve; 17. sealing pad; 18. assembly slot; 19. connecting plate; 20. adjusting plate; 21. positioning block; 22. limit baffle; 23. compression spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4The utility model provides: a new energy vehicle power battery circuit board with an insulating cover protection mechanism, including a battery module 1, fixed end plates 3 are assembled on both sides of the battery module 1, a limiting groove 9 is arranged on the top of the fixed end plate 3, and an assembly groove 18 is arranged inside the fixed end plate 3; an insulating shield 4, the insulating shield 4 is detachably mounted above the circuit board body 2 on the top of the battery module 1, and sealing plates 7 are arranged on both sides of the inner wall of the insulating shield 4; a sealing protection mechanism is arranged inside the limiting groove 9 for cooperating with the insulating shield 4 for sealing and buffering, and the two ends of the sealing sleeve strip 16 of the sealing protection mechanism are sealed and connected with the surface of the sealing plate 7; a positioning mechanism is arranged inside the assembly groove 18 for controlling the rapid disassembly and assembly of the insulating shield 4.

[0022] It is worth mentioning that by fixing the end plate 3, the insulating shield 4, the sealing plate 7, the sealing protection mechanism and the positioning mechanism structure, the protection effect of the circuit board can be guaranteed and the sealing protection performance of the circuit board can be further improved. Moreover, the insulating cover can be installed conveniently and quickly during the installation process. At the same time, when disassembly for maintenance is required, it can also be quickly disassembled to improve the efficiency of maintenance.

[0023] Specifically, the positioning mechanism includes: a connecting plate 19 movably connected to the inner wall of the assembly groove 18, and a limiting baffle 22 connected to the end of the connecting plate 19; wherein, the bottom of the connecting plate 19 is connected to an adjusting plate 20, and the surface of the limiting baffle 22 is fixedly connected to a positioning block 21. Further, the connecting plate 19 is a structure for connecting the adjusting plate 20 and the limiting baffle 22, the limiting baffle 22 is a bearing structure for installing the positioning block 21, and the adjusting plate 20 is a component for controlling the position of the positioning block 21, and the function of pushing the positioning block 21 from the positioning card groove 5 back to the inside of the assembly groove 18.

[0024] Furthermore, a compression spring 23 is provided inside the assembly groove 18, and the end of the compression spring 23 is movably connected to the side of the limit baffle 22. A positioning slot 5 is provided on the inner wall of the insulating shield 4, and the positioning block 21 cooperates with the compression spring 23 to movably engage the inner wall of the positioning slot 5. The positioning slot 5 is a matching structure for the insulating shield 4 to engage with the positioning block 21, and the compression spring 23 is a structure that acts on the limit baffle 22, maintaining the continuous clamping state of the positioning block 21 on the surface of the limit baffle 22, improving the clamping stability of the insulating shield 4, and preventing it from falling off.

[0025] The sealing protection mechanism includes: a movable plate 12 arranged inside the limiting groove 9, and limiting plates 13 connected to both sides of the bottom of the movable plate 12; wherein the bottom of the sealing sleeve strip 16 is bonded to the top of the movable plate 12, the surface of the limiting plate 13 is slidably connected to the inner wall of the limiting groove 9, and a positioning groove 14 is provided at the bottom of the movable plate 12. The inner wall of the insulating shield 4 is connected to a buffer pad 8, and reinforcement pads 6 are provided on both sides of the buffer pad 8.

[0026] Furthermore, the movable plate 12 is a structure for assembling the sealing sleeve 16, and makes the top of the sealing sleeve 16 seal and contact with the inner wall reinforcement pad 6 of the insulating shield 4, so as to improve the sealing protection between them. The positioning groove 14 cooperates with the limiting rod 11 to assemble the reset spring 15. The buffer pad 8 is a buffer protection structure with the circuit board body 2 and the battery module 1 when the insulating shield 4 is assembled.

[0027] A return spring 15 is arranged inside the positioning groove 14, and the bottom of the limiting groove 9 is connected to the limiting rod 11, and the bottom end of the return spring 15 is sleeved on the surface of the limiting rod 11. The two ends of the sealing sleeve 16 are connected to the sealing gasket 17, and the two sides of the limiting groove 9 are provided with guide grooves 10, and the two sides of the sealing gasket 17 are slidably connected to the inner wall of the guide groove 10.

[0028] Furthermore, the return spring 15 can be used to ensure that the sealing sleeve 16 maintains a sealing effect with the reinforcement pad 6 and plays a buffering and limiting role on the insulating shield 4, wherein the length of the positioning slot 5 is longer than the positioning block 21, so that the positioning block 21 can cooperate with the return spring 15 to move up and down on the inner wall of the positioning slot 5 to achieve a buffering effect, and the guide groove 10 is a structure for limiting and guiding the sealing gasket 17, further preventing the sealing sleeve 16 from deviating.

[0029] When in use, the insulating shield 4 can be installed by simply placing it on the top of the battery module 1 and pressing it downward. At this time, the inner wall of the insulating shield 4 is in close contact with the sealing sleeve strip 16 installed on the surface of the movable plate 12 at the top of the fixed end plate 3. With the help of the reset spring 15 inside the positioning groove 14, the sealing sleeve strip 16 can be kept in a sealed connection state, and play a role of buffering and limiting, thereby improving the protection effect of the circuit board body 2; at the same time, the positioning block 21 on the surface of the limiting baffle 22 will be clamped to the inner wall of the positioning card slot 5, which has a limiting assembly effect on the insulating shield 4, and the compression spring 23 inside the assembly groove 18 continuously acts on the limiting baffle 22, which will keep the positioning block 21 in a clamped state to ensure the stability of the structure; when disassembly and maintenance are required, by pressing the adjustment plate 20, the limiting baffle 22 connected to the connecting plate 19 compresses the compression spring 23, so that the positioning block 21 is retracted from the inside of the positioning card slot 5, and the restriction on the insulating shield 4 is released, and the insulating shield 4 can be disassembled and removed.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle power battery circuit board with an insulating cover protection mechanism, characterized in that: include: A battery module (1), wherein fixed end plates (3) are mounted on both sides of the battery module (1), a limiting groove (9) is provided on the top of the fixed end plate (3), and an assembly groove (18) is provided inside the fixed end plate (3); An insulating shield (4), the insulating shield (4) being detachably mounted above the circuit board body (2) at the top of the battery module (1), and sealing plates (7) being provided on both sides of the inner wall of the insulating shield (4); A sealing protection mechanism is arranged inside the limiting groove (9) and is used to cooperate with the insulating shield (4) to perform sealing and buffering, and both ends of the sealing sleeve strip (16) of the sealing protection mechanism are sealingly connected to the surface of the sealing plate (7); A positioning mechanism is arranged inside the assembly groove (18) and is used to control the rapid assembly and disassembly of the insulating shield (4).

2. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 1, characterized in that: The positioning mechanism comprises: a connecting plate (19) movably connected to the inner wall of the assembly groove (18), and A limit stopper (22) connected to the end of the connecting plate (19); The bottom of the connecting plate (19) is connected to an adjusting plate (20), and the surface of the limiting baffle (22) is fixedly connected to a positioning block (21).

3. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 2, characterized in that: A compression spring (23) is disposed inside the assembly groove (18), and an end of the compression spring (23) is movably connected to a side surface of the limit baffle (22).

4. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 3, characterized in that: The inner wall of the insulating shield (4) is provided with a positioning slot (5), and the positioning block (21) cooperates with the compression spring (23) to movably engage with the inner wall of the positioning slot (5).

5. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 1, characterized in that: The sealing protection mechanism comprises: A movable plate (12) is arranged inside the limiting groove (9), and Limiting plates (13) connected to both sides of the bottom of the movable plate (12); The bottom of the sealing sleeve strip (16) is bonded to the top of the movable plate (12), the surface of the limiting plate (13) is slidably connected to the inner wall of the limiting groove (9), and a positioning groove (14) is provided at the bottom of the movable plate (12).

6. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 5, characterized in that: A return spring (15) is arranged inside the positioning groove (14), the bottom of the limiting groove (9) is connected to the limiting rod (11), and the bottom end of the return spring (15) is sleeved on the surface of the limiting rod (11).

7. A new energy vehicle power battery circuit board with an insulating cover protection mechanism according to claim 6, characterized in that: The two ends of the sealing sleeve strip (16) are connected to sealing pads (17), the two sides of the limiting groove (9) are provided with guide grooves (10), and the two sides of the sealing pad (17) are slidably connected to the inner wall of the guide groove (10).

Images