CN219811552U

CN219811552U - Power battery cover plate assembly

Info

Publication number: CN219811552U
Application number: CN202223330394.6U
Authority: CN
Inventors: 吴太和
Original assignee: Weiying New Energy Technology Wuxi Co ltd
Current assignee: Weiying New Energy Technology Wuxi Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-10-10
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a power battery cover plate assembly, which comprises a cover plate and a battery shell, wherein the cover plate is buckled at the top of the battery shell and is fixedly connected with the top of the battery shell through a fixing bolt, a heat dissipation through groove is formed in the middle position of two sides of the cover plate, a heat dissipation fan is arranged in the heat dissipation through groove, a filter screen is fixedly arranged on the outer side of the inner part of the heat dissipation through groove, a sealing gasket is fixedly arranged on the surface of the bottom of the cover plate, a heat conducting block is fixedly arranged in the middle position of the bottom of the cover plate, and a fixing frame is fixedly arranged on the outer side of the bottom of the heat conducting block. According to the utility model, external wind passes through the through holes to dissipate heat, and the two heat dissipation fans form low pressure inside the heat dissipation through grooves, so that hot air in the heat dissipation holes enters the heat dissipation through grooves to be taken away to dissipate heat, thus the heat removal speed is effectively accelerated, the battery is ensured to be always maintained at a proper working temperature, and the service life of the battery is effectively prolonged.

Description

Power battery cover plate assembly

Technical Field

The utility model relates to the technical field of battery cover plate structures, in particular to a power battery cover plate assembly.

Background

The shell cover of the power battery is used for protecting the battery core and other components in the battery body, and the encapsulation effect on the battery can be realized as long as the cover plate is arranged at the top of the shell, so that the battery can be well protected through the cover plate, and the service life of the battery is prolonged.

The utility model discloses a power battery cover plate assembly in chinese patent CN 215644743U, this power battery cover plate assembly, including cap and battery case, cap lock joint is in battery case top, the lower surface fixed mounting of cap has the lower supporting shell, the surface circumference fixed mounting of lower supporting shell has sealed gasbag, sealed gasbag's one end fixedly connected with runs through the inflation inlet of cap installation, the inflation inlet is connected with outside air feeder, the inside middle part of cap runs through and has offered the heat extraction air flue, the bottom fixed mounting of lower supporting shell has the bottom plate, the bottom of lower supporting shell is located the last fixed surface of bottom plate and installs the baffle in both sides, the lower surface of cap is located the inside fixed mounting of lower supporting shell and has driving motor, the equal fixed mounting of lower surface of output shaft and cap of driving motor has the connecting rod, the bottom movable mounting of connecting rod has the runner, and the sealed battery cover plate assembly of this utility model is through the sealed mode that changes traditional sealing washer into the sealed gasbag gas-filled sealing mode of utilization for sealed gasbag inside gas generation inflation and better when receiving high temperature, but above-mentioned power battery cover plate assembly has lost the heat dissipation effect when the heat dissipation has reduced the whole heat dissipation effect when using a plurality of parts to carry out the heat dissipation, thereby has reduced the whole heat dissipation effect and has been lost the sealed when the inside the heat dissipation is lost. Therefore, it is necessary to design a power cell cover assembly.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the power battery cover plate assembly, heat is conducted out through the heat conducting block and the heat radiating fin to dissipate heat, the heat radiating fan is convenient for taking away the hot air in the heat radiating hole, the heat radiating fin and the heat on the surface of the heat conducting block to dissipate heat, the service life of the battery is effectively prolonged, the battery is preliminarily sealed through the sealing gasket and the sealing ring, the sealing effect is enhanced by inserting the sealing gasket into the groove through the tensioning lug, the sealing performance is convenient to maintain through changing the sealing ring, and therefore, the battery is well protected.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including apron and battery case, the apron is detained and is carried out fixed connection through fixing bolt at the battery case top, the heat dissipation logical groove has been seted up to apron both sides intermediate position, the inside radiator fan that is provided with of heat dissipation logical inslot, the inside outside fixed mounting of heat dissipation logical groove has the filter screen, apron bottom fixed surface is provided with sealed the pad, apron bottom intermediate position fixed mounting has the heat conduction piece, heat conduction piece bottom outside fixed mounting has the fixed frame, the fixed frame bottom is provided with the sealing washer, battery case inside fixed mounting has the baffle of sealing washer mutual matching, the fixed tensioning lug that is provided with in sealing washer bottom, the recess with tensioning lug mutual matching has been seted up on baffle top surface.

Preferably, cooling fins are uniformly arranged at the top of the heat conduction block at intervals, and penetrate through the cover plate to be fixedly arranged.

Preferably, the heat conducting block is internally and uniformly provided with heat dissipation holes in a displaying way, and the heat dissipation holes are arranged between the two heat dissipation fins.

Preferably, through holes are uniformly formed in the surface, located at the top of the cover plate, of the radiating fin at intervals, and the through holes in the surfaces of the two radiating fins are aligned.

Preferably, one side of the sealing ring, which is far away from the tensioning convex blocks, is fixedly provided with a connecting block, and the bottom surface of the fixed frame is provided with a connecting groove matched with the connecting block.

Preferably, fastening bolts penetrating through the connecting grooves are rotatably arranged at four corners of the surface of the fixing frame, and threaded holes matched with the fastening bolts are formed at four corners of the surface of the connecting block.

The beneficial effects of the utility model are as follows:

1. the heat conducting block and the radiating fin are convenient for lead out the cover plate with heat, preliminary heat dissipation is carried out through the through hole through external wind at this moment, and simultaneously, the wind speed of the inside of the through groove of heat dissipation is accelerated by starting two heat dissipation fans, so that the heat dissipation speed is improved, because the inside of the through groove of heat dissipation forms low pressure, the inside steam of battery case enters into the inside of the through groove of heat dissipation through the radiating hole and is carried away by external wind to complete the heat dissipation, the heat removal can be carried out better fast through multiple heat dissipation, thereby ensuring that the battery can always maintain at a proper working temperature, and the service life of the battery is prolonged effectively.

2. The sealing gasket is extruded through the cover plate to be preliminarily sealed, and meanwhile, the sealing ring is extruded at the top of the baffle to enable the tensioning convex block to be inserted into the groove, so that the overall sealing effect is improved again, the sealing ring can be detached through the reverse fastening bolt, then the connecting block at the top of the new sealing ring is inserted into the connecting groove, and then the fastening bolt is rotated to be installed to complete replacement, so that the overall sealing effect is effectively guaranteed, and a good protection effect is achieved on the battery.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a cross-sectional view of a cover plate of the present utility model.

Fig. 3 is a schematic view of the structure of the heat conducting block of the present utility model.

Reference numerals in the drawings: 1. a cover plate; 2. a battery case; 3. a heat dissipation through groove; 4. a heat radiation fan; 5. a heat radiation hole; 6. a filter screen; 7. tensioning the bump; 8. a heat conduction block; 9. a fixed frame; 10. a seal ring; 11. a baffle; 12. a groove; 13. a heat sink; 14. a through hole; 15. a connecting block; 16. a connecting groove; 17. a fastening bolt; 18. a threaded hole; 19. and a sealing gasket.

Detailed Description

The following describes embodiments of the present utility model in further detail with reference to FIGS. 1-3.

According to the embodiment I, as shown in figures 1, 2 and 3, the battery cover comprises a cover plate 1 and a battery housing 2, the cover plate 1 is buckled at the top of the battery housing 2 and is fixedly connected through a fixing bolt, so that the battery cover is convenient to fixedly install, a heat dissipation through groove 3 is formed in the middle position of two sides of the cover plate 1, external wind is convenient to guide in and dissipate heat, a heat dissipation fan 4 is arranged in the heat dissipation through groove 3, the wind speed is convenient to increase, a filter screen 6 is fixedly arranged at the outer side of the inner side of the heat dissipation through groove 3, the air which enters is convenient to filter, a sealing gasket 19 is fixedly arranged on the surface of the bottom of the cover plate 1, an initial sealing effect is achieved, a heat conducting block 8 is fixedly arranged at the middle position of the bottom of the cover plate 1, the heat inside the battery housing 2 is convenient to quickly guide out, a fixing frame 9 is fixedly arranged at the outer side of the bottom of the heat conducting block 8, a sealing ring 10 is fixedly arranged at the bottom of the fixing frame 9, a baffle 11 matched with the sealing ring 10 is convenient to strengthen the sealing performance by extruding the baffle 11 through the sealing ring 10, a tensioning lug 7 is fixedly arranged at the bottom of the sealing ring 11, a groove 12 matched with the tensioning lug 7 is formed at the top surface of the baffle 11, the air is convenient to the tensioning lug 8, the air is convenient to be inserted into the groove 12 through the tensioning lug 7, the sealing effect is improved again. During operation, the cover plate 1 is buckled on the battery shell 2, then the cover plate 1 is fixedly installed through rotating the fixing bolt, the sealing gasket 19 is extruded through the cover plate 1 to perform primary sealing, meanwhile, the sealing ring 10 at the bottom of the fixing frame 9 is extruded at the top of the baffle plate 11 to facilitate the reinforcement of sealing performance, so that the tensioning convex block 7 is inserted into the groove 12, the whole sealing effect is improved again, when the sealing ring 10 loses the sealing effect under the action of high temperature, the sealing ring 10 can be disassembled through reversing the fastening bolt 17 to remove the threaded hole 18, then the connecting block 15 at the top of the new sealing ring 10 is inserted into the connecting groove 16, then the fastening bolt 17 is rotated to be inserted into the threaded hole 18 to complete the installation of the sealing ring 10, the sealing ring 10 is convenient to replace, the whole sealing effect is effectively ensured, thereby playing a good protection effect on the battery, in the use process, the heat inside the battery shell 2 is rapidly led out through the heat conducting block 8, then the heat is led out of the cover plate 1 through the heat radiating fin 13, at the moment, the contact area with the heat radiating fin 13 is enlarged through the external air passing through the through hole 14, thereby playing a role of preliminary heat radiation, meanwhile, the two heat radiating fans 4 are started to rotate in the same direction, the model number of the heat radiating fan 4 is GF4-72-8C, the wind speed of the external air passing through the heat radiating through groove 3 is accelerated, the heat is conveniently driven to radiate through the heat radiating fin 13 and the surface of the heat conducting block 8 due to the wind passing through the heat radiating through groove 3, thereby effectively improving the heat radiating speed, forming low pressure inside the heat radiating through groove 3 through the heat radiating fan 4, so that the heat air inside the battery shell 2 enters into the heat radiating through hole 5, therefore, the heat can be carried away by the wind passing through the heat dissipation through groove 3 to be dissipated, and heat can be better and rapidly removed through multiple heat dissipation, so that the battery can be ensured to be always maintained at a proper working temperature, and the service life of the battery is effectively prolonged.

In the second embodiment, based on the first embodiment, as shown in fig. 1 and fig. 3, heat dissipation fins 13 are uniformly installed at intervals on the top of the heat conduction block 8, and the heat dissipation fins 13 penetrate through the cover plate 1 to be fixedly arranged, so that heat on the heat conduction block 8 is conveniently and rapidly conducted out.

In the third embodiment, on the basis of the first embodiment, as shown in fig. 1 and 2, the heat conducting block 8 is uniformly provided with heat dissipation holes 5, and the heat dissipation holes 5 are arranged between the two heat dissipation fins 13, so that external wind can conveniently pass through the through holes 14 to expand the contact area with the heat dissipation fins 13, and the heat dissipation effect is achieved.

In the fourth embodiment, on the basis of the first embodiment, as shown in fig. 1 and fig. 2, through holes 14 are uniformly formed on the surfaces of the heat dissipation fins 13 on the top of the cover plate 1 at intervals, and the through holes 14 on the surfaces of the two heat dissipation fins 13 are aligned, so that external wind can more quickly pass through the through holes 14 to take away heat on the heat dissipation fins 13.

In the fifth embodiment, as shown in fig. 2 and 3, on the basis of the first embodiment, a connecting block 15 is fixedly installed on one side of the sealing ring 10 away from the tensioning bump 7, a connecting groove 16 matched with the connecting block 15 is formed on the bottom surface of the fixing frame 9, and the sealing ring 10 is initially fixed by inserting the connecting block 15 into the connecting groove 16.

In the sixth embodiment, as shown in fig. 2 and 3, fastening bolts 17 penetrating through the connecting grooves 16 are rotatably provided at four corners of the surface of the fixing frame 9, screw holes 18 matching with the fastening bolts 17 are provided at four corners of the surface of the connecting block 15, and the fastening bolts 17 are rotated to insert the screw holes 18, so that the installation firmness of the seal ring 10 is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a power battery apron subassembly, includes apron (1) and battery case (2), its characterized in that: the utility model discloses a battery case, including battery case (2), apron (1), fixed frame (9), battery case (2) both sides intermediate position has seted up heat dissipation logical groove (3), heat dissipation logical groove (3) inside is provided with radiator fan (4), inside outside fixed mounting of heat dissipation logical groove (3) has filter screen (6), apron (1) bottom fixed surface is provided with sealed pad (19), apron (1) bottom intermediate position fixed mounting has heat conduction piece (8), heat conduction piece (8) bottom outside fixed mounting has fixed frame (9), fixed frame (9) bottom is provided with sealing washer (10), battery case (2) internally fixed mounting has baffle (11) of sealing washer (10) mutual matching, sealing washer (10) bottom fixed be provided with tensioning lug (7), recess (12) with tensioning lug (7) mutual matching are seted up on baffle (11) top surface.

2. A power cell cover assembly as defined in claim 1, wherein: radiating fins (13) are uniformly arranged at the top of the heat conducting block (8) at intervals, and the radiating fins (13) penetrate through the cover plate (1) to be fixedly arranged.

3. A power cell cover assembly as defined in claim 1, wherein: the heat conducting block (8) is internally and uniformly provided with heat dissipation holes (5), and the heat dissipation holes (5) are arranged between two heat dissipation fins (13).

4. A power cell cover assembly according to claim 3, wherein: the surface of the radiating fins (13) positioned at the top of the cover plate (1) is uniformly provided with through holes (14) at intervals, and the through holes (14) on the surfaces of the two radiating fins (13) are aligned.

5. A power cell cover assembly as defined in claim 1, wherein: connecting blocks (15) are fixedly arranged on one side, far away from the tensioning convex blocks (7), of the sealing ring (10), and connecting grooves (16) matched with the connecting blocks (15) are formed in the bottom surface of the fixing frame (9).

6. A power cell cover assembly as defined in claim 5, wherein: fastening bolts (17) penetrating through the connecting grooves (16) are rotatably arranged at four corners of the surface of the fixing frame (9), and threaded holes (18) matched with the fastening bolts (17) are formed at four corners of the surface of the connecting block (15).