CN219067085U

CN219067085U - Power battery pack protection device and power battery pack with same

Info

Publication number: CN219067085U
Application number: CN202320018753.XU
Authority: CN
Inventors: 黄同强; 王明; 唐晓枫
Original assignee: Shenzhen Ansen Electronic Technology Co ltd
Current assignee: Shenzhen Ansen Electronic Technology Co ltd
Priority date: 2023-01-01
Filing date: 2023-01-01
Publication date: 2023-05-23
Anticipated expiration: 2033-01-01

Abstract

The utility model discloses a power battery pack protection device and a power battery pack provided with the same, and belongs to the technical field of battery packs. Bear the weight of the battery package main part through L type socket plate, utilize the fixed plate to fix the battery package main part from both sides, and utilize the clamp plate to press the battery package main part, thereby avoid the battery package main part to remove and cause the problem emergence that bumps with using easily at the casing, utilize the shock pad can play the shock attenuation effect simultaneously, through the cooperation of heat conduction gasket and fin, can carry out heat conduction to the battery package main part and improve its radiating efficiency, utilize the cooperation of air inlet filter screen simultaneously, radiator fan and exhaust filter screen, can accelerate the inside air flow of casing, thereby improve the radiating effect.

Description

Power battery pack protection device and power battery pack with same

Technical Field

The utility model relates to the technical field of battery packs, in particular to a power battery pack protection device and a power battery pack with the same.

Background

Most of common battery packs are directly placed inside a shell, the shell is easy to collide when moving and being used, and most of the existing shells are closed, so that the heat dissipation effect is poor.

Through searching, in the prior art, chinese patent application number: CN201720114052.0 discloses a power battery pack protecting device and a power battery pack with the device, the utility model covers the power battery pack protecting device on the end face provided with the connecting plug, so that the connecting plug is accommodated in the accommodating cavity, thereby protecting the connecting plug from being damaged by rainwater and other impacts, and simultaneously, the aviation plug on the battery pack case is accommodated in the accommodating cavity formed by the power battery pack protecting device and the battery pack case together, thereby protecting the battery pack from being damaged by the rainwater and other external impacts, and further having longer service life and lower maintenance cost.

However, the device has the problems that the battery pack is directly placed in a shell, the shell is easy to collide when moving and being used, and the existing shell is mostly closed and has poor heat dissipation effect, so that a power battery pack protection device capable of protecting and dissipating heat of the battery pack and a power battery pack with the device are urgently needed.

Disclosure of Invention

The utility model aims to provide a power battery pack protection device and a power battery pack provided with the device, wherein the stability of a battery pack main body is improved through a protection mechanism, so that the battery pack main body is not easy to collide, and the heat dissipation effect of the battery pack main body can be improved through a heat dissipation mechanism, so that the problems in the background technology are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a power battery package protection device, includes the casing, one side at casing top is connected with first apron through the axis of rotation, the both sides of the inner chamber of casing all are provided with protection machanism, protection machanism includes L type and holds board, recess, second apron, threaded rod, handle, fixed plate, shock pad, buffer spring, press board, sliding sleeve and slide bar, the both sides at casing inner chamber back all hold the board through bolt fixedly connected with L type, the latter half of casing inner chamber is provided with cooling machanism.

Preferably, the both sides of casing have all seted up flutedly, the corresponding one side of recess all rotates through the axis of rotation and is connected with the second apron, the corresponding one side of recess inner chamber all has the threaded rod through thread bush threaded connection, the corresponding one side of threaded rod all is through bolt fixedly connected with handle.

Preferably, the corresponding opposite side of threaded rod all runs through L type and holds the board and rotate through the bearing and be connected with the fixed plate, the corresponding one side of fixed plate all bonds and has the shock pad.

Preferably, the bottom of first apron is from left to right through bolt fixedly connected with buffer spring in proper order, buffer spring's bottom all is connected with the pressing board through bolt fixedly connected with.

Preferably, both sides at the top of the pressing plate are fixedly connected with sliding sleeves through bolts, inner cavities of the sliding sleeves are fixedly connected with sliding rods in a sliding mode, and the sliding rods are fixedly connected to both sides at the bottom of the first cover plate through bolts respectively.

Preferably, the heat dissipation mechanism comprises a heat dissipation fin, a heat conduction gasket, an air inlet filter screen, a heat dissipation fan and an air exhaust filter screen, wherein the heat dissipation fin is fixedly assembled on the inner side of the L-shaped bearing plate, and the heat conduction gasket is fixedly assembled on the top of the heat dissipation fin.

Preferably, an air inlet groove is formed in the bottom of the shell, an air inlet filter screen is embedded in an inner cavity of the air inlet groove, and cooling fans are fixedly assembled on two sides of the top of the air inlet filter screen.

Preferably, the upper half parts of the two sides of the shell are provided with exhaust grooves, and the inner cavities of the exhaust grooves are embedded with exhaust filter screens.

In addition, the utility model also provides a power battery pack, which comprises a battery pack main body, wherein the battery pack main body is attached to the inner side of the shock pad, the battery pack main body consists of a plurality of battery modules, and the battery modules are connected through copper bars.

Preferably, the outer surface of the battery pack body is fixedly provided with an insulating layer, and the outer surface of the insulating layer is fixedly provided with an aluminum plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model provides a power battery pack protection device and a power battery pack provided with the device, wherein an L-shaped bearing plate is used for bearing a battery pack main body, the battery pack main body is fixed from two sides by utilizing a fixing plate, and the battery pack main body is pressed by utilizing a pressing plate, so that the problem that the battery pack main body is easy to collide when a shell moves and is used is avoided, and meanwhile, a damping effect can be achieved by utilizing a damping pad.

2. The utility model provides a power battery pack protection device and a power battery pack provided with the device, which can conduct heat to a battery pack main body and improve the heat dissipation efficiency of the battery pack main body through the matching of a heat conduction gasket and a heat dissipation fin, and can accelerate the air flow in a shell by utilizing the matching of an air inlet filter screen, a heat dissipation fan and an air exhaust filter screen, thereby improving the heat dissipation effect.

Drawings

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

fig. 2 is a schematic view showing the structure of a battery pack body, a battery module, copper bars, an insulating layer and an aluminum plate according to the present utility model;

FIG. 3 is an enlarged view of the area A of the present utility model;

fig. 4 is an enlarged view of the B area of the present utility model.

Reference numerals in the drawings: 1. a housing; 2. a first cover plate; 3. a protective mechanism; 31. an L-shaped bearing plate; 32. a groove; 33. a second cover plate; 34. a threaded rod; 35. a handle; 36. a fixing plate; 37. a shock pad; 38. a buffer spring; 39. pressing the plate; 310. a sliding sleeve; 311. a slide bar; 4. a heat dissipation mechanism; 41. a heat sink; 42. a thermally conductive gasket; 43. an air inlet filter screen; 44. a heat radiation fan; 45. an exhaust filter screen; 5. a battery pack body; 51. a battery module; 6. a copper bar; 7. an insulating layer; 8. and (3) an aluminum plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a power battery pack protection device as shown in figures 1-4, which comprises a shell 1, wherein one side of the top of the shell 1 is rotationally connected with a first cover plate 2 through a rotating shaft, both sides of an inner cavity of the shell 1 are respectively provided with a protection mechanism 3, the protection mechanism 3 comprises an L-shaped bearing plate 31, a groove 32, a second cover plate 33, a threaded rod 34, a handle 35, a fixed plate 36, a shock pad 37, a buffer spring 38, a pressing plate 39, a sliding sleeve 310 and a sliding rod 311, both sides of the back of the inner cavity of the shell 1 are fixedly connected with the L-shaped bearing plate 31 through bolts, and the lower half part of the inner cavity of the shell 1 is provided with a heat dissipation mechanism 4.

As a technical optimization scheme of the present utility model, the L-shaped receiving plate 31 can lift the battery pack body 5 from the bottom thereof and carry its weight.

The both sides of casing 1 have all been seted up flutedly 32, and the corresponding one side of recess 32 all is connected with second apron 33 through the axis of rotation, and the corresponding one side of recess 32 inner chamber all is connected with threaded rod 34 through the thread bush screw thread, and the corresponding one side of threaded rod 34 all is connected with handle 35 through bolt fastening.

As a technical optimization of the present utility model, the groove 32 is shielded by the second cover plate 33.

The other side corresponding to the threaded rod 34 penetrates through the L-shaped bearing plate 31 and is rotatably connected with a fixing plate 36 through a bearing, and a shock pad 37 is adhered to one side corresponding to the fixing plate 36.

As a technical optimization scheme of the present utility model, the handle 35 is rotated to rotate the threaded rod 34, thereby driving the fixing plate 36 to move and fix the battery pack body 5, and the shock absorbing performance can be increased by using the shock absorbing pad 37.

The bottom of the first cover plate 2 is fixedly connected with a buffer spring 38 through bolts sequentially from left to right, and the bottoms of the buffer springs 38 are fixedly connected with a pressing plate 39 through bolts.

As a technical optimization scheme of the present utility model, the top of the battery pack body 5 is pressed by the buffer spring 38 and the pressing plate 39, so that the stability of the battery pack body 5 in fixing is further increased.

The two sides of the top of the pressing plate 39 are fixedly connected with sliding sleeves 310 through bolts, the inner cavities of the sliding sleeves 310 are slidably connected with sliding rods 311, and the sliding rods 311 are fixedly connected to the two sides of the bottom of the first cover plate 2 through bolts respectively.

As a technical optimization scheme of the utility model, the pressing plate 39 is limited and supported by the cooperation of the sliding sleeve 310 and the sliding rod 311.

The heat dissipation mechanism 4 comprises a heat dissipation fin 41, a heat conduction gasket 42, an air inlet filter screen 43, a heat dissipation fan 44 and an air outlet filter screen 45, wherein the heat dissipation fin 41 is fixedly assembled on the inner side of the L-shaped bearing plate 31, and the heat conduction gasket 42 is fixedly assembled on the top of the heat dissipation fin 41.

As a technical optimization scheme of the present utility model, the heat dissipation efficiency can be improved by matching the heat dissipation fin 41 and the heat conduction pad 42.

An air inlet groove is formed in the bottom of the shell 1, an air inlet filter screen 43 is embedded in the inner cavity of the air inlet groove, and cooling fans 44 are fixedly assembled on two sides of the top of the air inlet filter screen 43.

The upper half parts of the two sides of the shell 1 are provided with exhaust grooves, and the inner cavities of the exhaust grooves are embedded with exhaust filter screens 45.

As a technical optimization scheme of the present utility model, the air flow in the inner cavity of the housing 1 can be accelerated by the cooperation of the air inlet filter screen 43, the heat dissipation fan 44 and the air outlet filter screen 45, so that heat is discharged.

In addition, the utility model also provides a power battery pack, which comprises a battery pack main body 5, wherein the battery pack main body 5 is attached to the inner side of the shock pad 37, the battery pack main body 5 consists of a plurality of battery modules 51, and the battery modules 51 are connected through copper bars 6.

The outer surface of the battery pack body 5 is fixedly equipped with an insulating layer 7, and the outer surface of the insulating layer 7 is fixedly equipped with an aluminum plate 8.

As a technical optimization scheme of the present utility model, the insulation and strength of the battery pack body 5 can be increased by the insulation layer 7 and the aluminum plate 8.

When the battery pack is particularly used, a user opens the first cover plate 2 and places the battery pack body 5 on the top of the L-shaped bearing plate 31, then the user can fix the battery pack body 5 by rotating the handle 35 through the fixing plate 36, and meanwhile, the pressing plate 39 can be used for increasing the stability of the installation of the battery pack body 5, so that the battery pack body 5 is prevented from being knocked during movement; meanwhile, the heat dissipation efficiency of the battery pack main body 5 can be greatly improved by utilizing the heat dissipation mechanism 4; finally, the strength and the insulation of the battery pack body 5 are increased by using the insulation layer 7 and the aluminum plate 8, thereby increasing safety.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a power battery package protection device, includes casing (1), its characterized in that: one side at casing (1) top is connected with first apron (2) through the axis of rotation, the both sides of the inner chamber of casing (1) all are provided with protection machanism (3), protection machanism (3) are including L type accepting board (31), recess (32), second apron (33), threaded rod (34), handle (35), fixed plate (36), shock pad (37), buffer spring (38), push down board (39), sliding sleeve (310) and slide bar (311), the both sides at casing (1) inner chamber back all are through bolt fixedly connected with L type accepting board (31), the lower half of casing (1) inner chamber is provided with cooling machanism (4).

2. The power battery pack protection device according to claim 1, wherein: the utility model discloses a novel anti-theft device for the automobile, including casing (1), recess (32) have all been seted up to both sides of casing (1), the corresponding one side of recess (32) all is connected with second apron (33) through the axis of rotation, the corresponding one side of recess (32) inner chamber all has threaded rod (34) through thread bush threaded connection, the corresponding one side of threaded rod (34) all is connected with handle (35) through bolt fixedly.

3. The power battery pack protection device according to claim 2, wherein: the corresponding opposite sides of the threaded rods (34) penetrate through the L-shaped bearing plate (31) and are rotatably connected with the fixing plates (36) through bearings, and the corresponding sides of the fixing plates (36) are adhered with shock absorption pads (37).

4. A power cell pack protection device according to claim 3, wherein: the bottom of first apron (2) is from left to right through bolt fixedly connected with buffer spring (38) in proper order, the bottom of buffer spring (38) is all through bolt fixedly connected with pressing plate (39).

5. The power cell pack protection device according to claim 4, wherein: both sides at pressing plate (39) top are all through bolt fixedly connected with sliding sleeve (310), the equal sliding connection of inner chamber of sliding sleeve (310) has slide bar (311), slide bar (311) are respectively through bolt fixedly connected with both sides of first apron (2) bottom.

6. The power battery pack protection device according to claim 1, wherein: the heat dissipation mechanism (4) comprises heat dissipation fins (41), a heat conduction gasket (42), an air inlet filter screen (43), a heat dissipation fan (44) and an air exhaust filter screen (45), wherein the heat dissipation fins (41) are fixedly assembled on the inner side of the L-shaped bearing plate (31), and the heat conduction gasket (42) is fixedly assembled on the top of the heat dissipation fins (41).

7. The power cell pack protection device of claim 6, wherein: an air inlet groove is formed in the bottom of the shell (1), an air inlet filter screen (43) is embedded in an inner cavity of the air inlet groove, and cooling fans (44) are fixedly assembled on two sides of the top of the air inlet filter screen (43).

8. The power cell pack protection device of claim 7, wherein: the upper half parts of the two sides of the shell (1) are provided with exhaust grooves, and the inner cavities of the exhaust grooves are embedded with exhaust filter screens (45).

9. A power battery pack comprising the power battery pack protection device according to any one of claims 1 to 8, characterized in that: including battery package main part (5), battery package main part (5) laminating is in the inboard of shock pad (37), battery package main part (5) are constituteed by a plurality of battery module (51), a plurality of all be connected through copper bar (6) between battery module (51).

10. A power cell pack as claimed in claim 9, wherein: the outer surface of the battery pack main body (5) is fixedly provided with an insulating layer (7), and the outer surface of the insulating layer (7) is fixedly provided with an aluminum plate (8).