Lithium battery box with pressure relief function

By installing the pressure leakage valve and multiple pressure puzzles above the housing of the lithium battery box, the problem of battery damage caused by the increased air pressure after a long period of use after the lithium battery box is used. The life of the battery.

CN222394933UActive Publication Date: 2025-01-24WANDA INTELLIGENT TECH (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202420641319.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-30
Publication Date
2025-01-24
Estimated Expiration
2034-03-30

AI Technical Summary

Technical Problem

After a long time of use, existing lithium battery boxes cannot effectively relieve pressure due to high air pressure due to heat generation, which may cause battery damage.

Method used

A lithium battery box with a pressure relief function is designed. By installing a pressure relief valve above the shell and opening multiple pressure relief holes on the surface of the pressure relief valve, the pressure relief of the gas and the cooling of the temperature are achieved.

Benefits of technology

Effectively solve the problem of battery damage caused by increased air pressure. Through the exhaust of the pressure pores, the temperature and air pressure inside the shell are reduced, and the service life of the battery is prolonged.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of lithium battery boxes, and discloses a lithium battery box with a pressure relief function, which comprises a battery pack, a protective sleeve is sleeved on the surface of the battery pack, a bracket is fixedly arranged in the protective sleeve, a connecting piece is electrically connected on the surface of the protective sleeve, a connecting group wire is fixedly arranged on the surface of the connecting piece, and the connecting group wire is electrically connected with the bracket. The surface of the battery pack is sleeved with a protective shell; the device comprises a shell, a fixing sleeve is fixedly installed in the shell, an insertion hole is formed in the upper portion of the shell, a pressure release valve is engaged with the upper portion of the shell, a pressure release hole is formed in the surface of the pressure release valve, and the surface of the pressure release valve is sleeved with a sealing sleeve. By adopting the technical scheme, the battery pack has the beneficial effects that the plurality of pressure relief holes have the main effects of pressure relief and ventilation, and when the interior of the shell has relatively high temperature and relatively high air pressure due to long-time use of the battery pack, the air pressure is discharged through the bracket, so that the effect of cooling the interior of the shell is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of lithium battery boxes, and more specifically, to a lithium battery box with a pressure relief function. Background Art

[0002] The lithium battery box is mainly composed of the battery PACK cover, tray, various metal brackets, end plates and bolts. It can be regarded as the "skeleton" of the battery PACK, which plays the role of support, resistance to mechanical shock, mechanical vibration and environmental protection (waterproof and dustproof). However, most of the existing lithium battery boxes will generate a lot of heat and a lot of air pressure when in use. If the pressure cannot be released for a long time, it may cause certain damage to the battery. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a lithium battery box with a pressure relief function, which has the advantage of being able to relieve pressure.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery box with a pressure relief function, comprising: a battery pack, a protective cover is sleeved on the surface of the battery pack, a bracket is fixedly installed inside the protective cover, a connecting piece is electrically connected to the surface of the protective cover, a connecting group line is fixedly installed on the surface of the connecting piece, and a protective shell is sleeved on the surface of the battery pack; an outer shell, a fixed cover is fixedly installed inside the outer shell, a fixed rod with lifting freedom is slidably connected inside the fixed cover, a spring is sleeved on the surface of the fixed rod, a jack is opened on the top of the outer shell, a pressure relief valve is meshed on the top of the outer shell, a pressure relief hole is opened on the surface of the pressure relief valve, and a sealing cover is sleeved on the surface of the pressure relief valve.

[0005] The beneficial effect of adopting the above technical solution is that the interior of the shell is hollow, and by installing the protective shell inside the shell, the protective shell has a certain protective effect, preventing the battery pack from being damaged due to collision when outdoors.

[0006] As a preferred technical solution of the utility model, a fixing block is fixedly installed on the surface of the shell, and a mounting hole is opened inside the fixing block.

[0007] The beneficial effect of adopting the above technical solution is that there are two fixing blocks and two mounting holes, and the two fixing blocks and two mounting holes mainly function to fix the shell on the bicycle, so as to achieve the effect of fixing the device.

[0008] As a preferred technical solution of the utility model, the fixing rod is fixedly connected to the bottom of the protective shell, and the insertion hole is fixedly connected to the protective shell and is located above the protective shell.

[0009] The beneficial effect of adopting the above technical solution is that the main function of the socket is to connect the battery pack with the driving device, so as to achieve the effect of driving the bicycle.

[0010] As a preferred technical solution of the utility model, the protective shell is cylindrical and is located inside the outer shell.

[0011] The beneficial effects of adopting the above technical solution are: the main function of the protective shell is to wrap the battery pack to achieve the first protection of the battery pack, and secondly to fix and connect the four battery packs to ensure a certain stability.

[0012] As a preferred technical solution of the utility model, there are four battery packs, and the four battery packs are all located inside the shell. There are multiple protective covers, and the multiple protective covers respectively cover the four battery packs.

[0013] The beneficial effect of adopting the above technical solution is that the main function of the four battery packs is to provide strong electric power so that the bicycle has a certain driving effect when in use, thereby making the bicycle easy to ride, saving time and effort.

[0014] As a preferred technical solution of the utility model, there are four connecting pieces, and the four connecting pieces are all fixedly connected to the connecting group wires, and the connecting group wires are electrically connected to the battery pack through the connecting pieces.

[0015] The beneficial effect of adopting the above technical solution is: the main function of the four connecting pieces is to effectively connect the four connecting pieces in series, thereby increasing the overall power and achieving the effect of normal use.

[0016] As a preferred technical solution of the utility model, there are two of each of the fixing sleeve, the fixing rod and the spring, and the two fixing sleeves, the two fixing rods and the two springs are all located between the protective shell and the outer shell.

[0017] The beneficial effect of adopting the above technical solution is that the two fixing rods slide inside the two fixing sleeves, and at the same time the two springs provide a large elastic force, thereby pushing the protective shell upward. When the bicycle is driving normally, it will cause a large shake when encountering potholes, which has a certain shock-absorbing effect, thereby preventing the internal collision of the protective shell from causing damage.

[0018] As a preferred technical solution of the utility model, the interior of the pressure relief valve is hollow, there are multiple pressure relief holes, and the multiple pressure relief holes are all located on the surface of the pressure relief valve.

[0019] The beneficial effect of adopting the above technical solution is that the main effect of the multiple pressure relief holes is pressure relief and ventilation. When the interior of the shell has a higher temperature and a larger air pressure due to the long-term use of the battery pack, the air is discharged through the bracket, thereby achieving the effect of cooling the interior of the shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 It is a partial structural sectional view of the utility model;

[0022] Figure 3 For this utility model Figure 2 A schematic diagram of the structure at A;

[0023] Figure 4 For this utility model Figure 2 A schematic diagram of the structure at B;

[0024] Figure 5 This is a schematic diagram of the battery pack structure of the utility model.

[0025] In the figure: 1. battery pack; 2. protective cover; 3. bracket; 4. connecting piece; 5. connecting wire; 6. protective shell; 7. outer shell; 8. fixing sleeve; 9. fixing rod; 10. spring; 11. jack; 12. pressure relief valve; 13. pressure relief hole; 14. sealing sleeve; 15. fixing block; 16. mounting hole. DETAILED DESCRIPTION

[0026] 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.

[0027] like Figures 1 to 5 As shown, the utility model provides a lithium battery box with a pressure relief function, including: a battery pack 1, a protective cover 2 is sleeved on the surface of the battery pack 1, a bracket 3 is fixedly installed inside the protective cover 2, a connecting piece 4 is electrically connected to the surface of the protective cover 2, a connecting group line 5 is fixedly installed on the surface of the connecting piece 4, and a protective shell 6 is sleeved on the surface of the battery pack 1; an outer shell 7, a fixed cover 8 is fixedly installed inside the outer shell 7, a fixed rod 9 with lifting freedom is slidably connected inside the fixed cover 8, a spring 10 is sleeved on the surface of the fixed rod 9, a plug hole 11 is opened on the upper part of the outer shell 7, a pressure relief valve 12 is meshed on the upper part of the outer shell 7, a pressure relief hole 13 is opened on the surface of the pressure relief valve 12, and a sealing cover 14 is sleeved on the surface of the pressure relief valve 12.

[0028] The beneficial effect of adopting the above technical solution is that the interior of the outer shell 7 is hollow, and by installing the protective shell 6 inside the outer shell 7, the protective shell 6 has a certain protective effect, preventing the battery pack 1 from being damaged due to collision outdoors.

[0029] A fixing block 15 is fixedly mounted on the surface of the housing 7 , and a mounting hole 16 is formed inside the fixing block 15 .

[0030] The beneficial effect of adopting the above technical solution is that there are two fixing blocks 15 and two mounting holes 16, and the two fixing blocks 15 and the two mounting holes 16 are mainly used to fix the housing 7 on the bicycle, so as to achieve the effect of fixing the device.

[0031] The fixing rod 9 is fixedly connected to the bottom of the protective shell 6 , and the insertion hole 11 is fixedly connected to the protective shell 6 and is located above the protective shell 6 .

[0032] The beneficial effect of adopting the above technical solution is that the main function of the socket 11 is to connect the battery pack 1 with the driving device, so as to achieve the effect of driving the bicycle.

[0033] The protective shell 6 is cylindrical and is located inside the outer shell 7 .

[0034] The beneficial effects of adopting the above technical solution are: the main function of the protective shell 6 is to wrap the battery pack 1 to achieve the first protection of the battery pack 1, and secondly to fix and connect the four battery packs 1 to ensure a certain stability.

[0035] There are four battery packs 1 , which are all located inside the housing 7 . There are multiple protective covers 2 , which respectively cover the four battery packs 1 .

[0036] The beneficial effect of adopting the above technical solution is that the main function of the four battery packs 1 is to provide strong electric power so that the bicycle has a certain driving effect when in use, thereby making the bicycle easy to ride and saving time and effort.

[0037] There are four connecting pieces 4 , and all of the four connecting pieces 4 are fixedly connected to the connecting wires 5 . The connecting wires 5 are electrically connected to the battery pack 1 through the connecting pieces 4 .

[0038] The beneficial effect of adopting the above technical solution is: the main function of the four connecting pieces 4 is to effectively connect the four connecting pieces 4 in series, thereby increasing the overall power and achieving the effect of normal use.

[0039] There are two fixing sleeves 8 , two fixing rods 9 and two springs 10 , and the two fixing sleeves 8 , two fixing rods 9 and two springs 10 are all located between the protective shell 6 and the outer shell 7 .

[0040] The beneficial effect of adopting the above technical solution is that the two fixing rods 9 slide inside the two fixing sleeves 8, and at the same time the two springs 10 provide a large elastic force, thereby pushing the protective shell 6 upward. When the bicycle is driving normally, it will cause a large shake when encountering potholes, which has a certain shock-absorbing effect, thereby preventing the internal collision of the protective shell 6 from causing damage.

[0041] The interior of the pressure relief valve 12 is hollow, and there are multiple pressure relief holes 13 , all of which are located on the surface of the pressure relief valve 12 .

[0042] The beneficial effect of adopting the above technical solution is: the main effect of the multiple pressure relief holes 13 is pressure relief and ventilation. When the interior of the shell 7 has a higher temperature and a larger air pressure due to the long-term use of the battery pack 1, the air is discharged through the bracket 3, thereby achieving the effect of cooling the interior of the shell 7.

[0043] The working principle and use process of this utility model:

[0044] First, the battery pack 1 is inserted into the protective cover 2, and then the connecting piece 4 is passed through the bracket 3 and installed on the surface of the battery pack 1 to contact the battery pack 1;

[0045] At this time, the protective shell 6 is sleeved on the surface of the battery pack 1, and the outer shell 7 is installed on the outer side of the protective shell 6. At the same time, a hole is opened on the upper side of the outer shell 7, and the pressure relief valve 12 is engaged with the surface of the outer shell 7, so as to achieve a pressure relief effect. When the internal temperature of the outer shell 7 is high, the pressure will be discharged outward through the pressure relief hole 13 to achieve a cooling effect;

[0046] Secondly, the assembled device is installed on the top of the bicycle through the fixing block 15 and the mounting hole 16, and then the line is connected to the jack 11, so that the bicycle can be driven by the battery pack 1;

[0047] Finally, when the bicycle is running normally, it will shake greatly when encountering potholes. At this time, the fixing sleeve 8, the fixing rod 9 and the spring 10 play a certain shock-absorbing effect, thereby preventing the internal collision of the protective shell 6 from causing damage.

[0048] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0049] 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 lithium battery box with pressure relief function, characterized in that: include: A battery pack, wherein a protective cover is sleeved on the surface of the battery pack, a bracket is fixedly installed inside the protective cover, a connecting piece is electrically connected to the surface of the protective cover, a connecting wire is fixedly installed on the surface of the connecting piece, and a protective shell is sleeved on the surface of the battery pack; A shell, a fixing sleeve is fixedly installed inside the shell, the fixing sleeve is slidably connected to a fixing rod with lifting freedom, a spring is sleeved on the surface of the fixing rod, a plug hole is opened on the top of the shell, a pressure relief valve is meshed on the top of the shell, a pressure relief hole is opened on the surface of the pressure relief valve, and a sealing sleeve is sleeved on the surface of the pressure relief valve.

2. The lithium battery box with pressure relief function according to claim 1, characterized in that: A fixing block is fixedly mounted on the surface of the shell, and a mounting hole is provided inside the fixing block.

3. The lithium battery box with pressure relief function according to claim 1, characterized in that: The fixing rod is fixedly connected to the bottom of the protective shell, and the insertion hole is fixedly connected to the protective shell and is located above the protective shell.

4. The lithium battery box with pressure relief function according to claim 1, characterized in that: The protective shell is cylindrical and is located inside the outer shell.

5. The lithium battery box with pressure relief function according to claim 1, characterized in that: There are four battery packs, and the four battery packs are all located inside the shell. There are multiple protective covers, and the multiple protective covers respectively cover the four battery packs.

6. The lithium battery box with pressure relief function according to claim 1, characterized in that: There are four connecting pieces, and all of the four connecting pieces are fixedly connected to the connecting wire group, and the connecting wire group is electrically connected to the battery pack through the connecting pieces.

7. The lithium battery box with pressure relief function according to claim 1, characterized in that: There are two of each of the fixing sleeve, the fixing rod and the spring, and the two fixing sleeves, the two fixing rods and the two springs are all located in the middle of the protective shell and the outer shell.

8. The lithium battery box with pressure relief function according to claim 1, characterized in that: The interior of the pressure relief valve is hollow, and there are multiple pressure relief holes, all of which are located on the surface of the pressure relief valve.