Power battery assembly
By designing switchable reflective and heat-absorbing walls in the power battery assembly, combined with a fan and heat exchange holes, the impact of power battery temperature changes on performance and safety was resolved, achieving effective temperature control and performance improvement.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGSU CHENSHENG NEW ENERGY CO LTD
- Filing Date
- 2025-04-29
- Publication Date
- 2026-05-19
AI Technical Summary
Temperature variations in power batteries affect their performance and safety, and current technologies have failed to effectively control them.
A power battery assembly was designed, comprising a battery frame and a heat insulation and heat absorption component. By switching the positions of the reflective wall and the heat absorption wall, the temperature is regulated using sunlight, and auxiliary control is achieved by combining a fan and heat exchange holes.
It effectively regulates the temperature of the power battery, improves performance and safety, and adapts to temperature changes in different seasons.
Smart Images

Figure CN224264216U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of battery technology, and in particular to a power battery assembly. Background Technology
[0002] The main difference between a power battery and a starting battery is that the power battery is used to start the engine of an electric vehicle. The power battery provides the power source for the vehicle and is usually a storage battery. It can also provide power for electric trains, electric bicycles, golf carts, municipal new energy sweepers, etc.
[0003] Power batteries are very sensitive to temperature. During use, temperature changes in the power battery of an electric vehicle will directly affect the performance and safety of the power battery.
[0004] Therefore, it is necessary to improve the power battery components in the existing technology. Utility Model Content
[0005] The purpose of this invention is to overcome the defects in the existing technology and provide a power battery assembly that can help control the temperature of the power battery and improve the performance and safety of the power battery.
[0006] To achieve the above-mentioned technical effects, the technical solution of this utility model is as follows: a power battery assembly, including a battery frame, a power battery body disposed within the battery frame, and a heat insulation and heat absorption assembly disposed outside the power battery body. The battery frame includes two oppositely arranged light-shielding sidewalls and two oppositely arranged light-incoming sidewalls. The heat insulation and heat absorption assembly includes two oppositely arranged reflective walls and two oppositely arranged heat-absorbing walls. The size of the reflective walls and the heat-absorbing walls is not smaller than the size of the light-incoming sidewalls. A switching assembly for switching the reflective walls to be located at the light-incoming sidewalls or the heat-absorbing walls to be located at the light-incoming sidewalls is provided between the heat insulation and heat absorption assembly and the battery frame.
[0007] According to one embodiment of the present invention, the battery frame is rotatably provided with a rotating shaft, and four rotating shafts are respectively located at the four corners of the battery frame, and the heat insulation and heat absorption component is sleeved on the four rotating shafts.
[0008] According to one embodiment of the present invention, the switching component includes a switching lever disposed between the heat-absorbing wall and the reflective wall.
[0009] According to one embodiment of the present invention, the inner wall of the battery frame is provided with a sliding groove that is slidably connected to the reflective wall and the heat-absorbing wall.
[0010] According to one embodiment of the present invention, the light-inlet sidewall is fixedly provided with an anti-collision mesh.
[0011] According to one embodiment of the present invention, the anti-collision mesh is provided with a guide groove for the switching lever to slide.
[0012] According to one embodiment of the present invention, the bottom wall of the battery frame is provided with heat exchange holes, and a filter cotton is provided above the heat exchange holes.
[0013] According to one embodiment of the present invention, the cover plate of the battery frame is provided with an exhaust fan, and the battery frame is provided with an exhaust channel communicating with the exhaust port of the exhaust fan.
[0014] According to one embodiment of the present invention, the cover plate of the battery frame is provided with an external interface that is electrically connected to the electrical interface of the power battery body.
[0015] According to one embodiment of the present invention, a compression spring is sandwiched between the power battery body and the bottom wall of the battery frame, an outer sleeve is fixedly provided on the bottom wall of the battery frame, an inner tube is fixedly provided on the bottom wall of the battery body, the inner tube passes through the outer sleeve, and the compression spring is sleeved on the outside of the outer sleeve.
[0016] The advantages and beneficial effects of this utility model are as follows: The power battery assembly of this utility model has a reasonable structure. By setting light-shielding sidewalls and light-incoming sidewalls on the battery frame and setting heat-insulating and heat-absorbing components inside the battery frame, when it is necessary to quickly raise the temperature of the power battery body in winter, the heat-absorbing wall is adjusted to the light-incoming sidewall to absorb heat from the outside sunlight, thereby raising the temperature inside the battery frame; when the battery frame does not require high temperature in summer, the reflective wall is adjusted to the light-incoming sidewall to reflect the outside sunlight, playing a role in reflective heat insulation; thus, it helps to control the temperature of the power battery and improves the performance and safety of the power battery. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of the power battery assembly of this utility model;
[0018] Figure 2 yes Figure 1 An explosion diagram;
[0019] Figure 3 yes Figure 1 A sectional view;
[0020] Figure 4 This is a schematic diagram of the battery frame structure;
[0021] Figure 5 This is a schematic diagram of the structure of the heat insulation and heat absorption component;
[0022] Figure 6 This is a schematic diagram of the structure of the power battery body;
[0023] Figure 7 This is a structural schematic diagram of the cover plate;
[0024] In the diagram: 1. Battery frame; 11. Light-shielding sidewall; 12. Light-incoming sidewall; 121. Anti-collision mesh; 1211. Guide groove; 13. Rotating shaft; 14. Slide groove; 15. Heat exchange hole; 16. Outer sleeve; 2. Power battery body; 21. Inner sleeve; 3. Heat insulation and heat absorption assembly; 31. Reflective wall; 32. Heat absorption wall; 33. Switch lever; 4. Filter cotton; 5. Cover plate; 51. Air outlet channel; 52. External interface; 6. Exhaust fan; 7. Compression spring. Detailed Implementation
[0025] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings and examples. The following examples are only used to more clearly illustrate the technical solution of this utility model and should not be construed as limiting the scope of protection of this utility model.
[0026] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "horizontal," "vertical," "top," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used solely for the convenience of describing this utility model and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Example
[0027] like Figure 1-7 As shown, the power battery assembly of the embodiment includes a battery frame 1, a power battery body 2 disposed within the battery frame 1, and a heat insulation and heat absorption assembly 3 disposed outside the power battery body 2. The battery frame 1 includes two oppositely arranged light-shielding sidewalls 11 and two oppositely arranged light-incoming sidewalls 12. The heat insulation and heat absorption assembly 3 includes two oppositely arranged reflective walls 31 and two oppositely arranged heat-absorbing walls 32. The size of the reflective walls 31 and the heat-absorbing walls 32 is not smaller than the size of the light-incoming sidewalls 12. A switching component is provided between the heat insulation and heat absorption assembly 3 and the battery frame 1 for switching the reflective walls 31 to be located at the light-incoming sidewalls 12 or the heat-absorbing walls 32 to be located at the light-incoming sidewalls 12.
[0028] With this design, when the weather is cold, it is necessary to raise the temperature of the power battery in time to improve its performance. Therefore, the heat-absorbing wall 32 is adjusted to the light-incoming side wall 12 to absorb sunlight and raise the temperature inside the battery frame 1 in time. When the weather is hot, the temperature inside the battery frame 1 does not need to be too high. Therefore, the reflective wall 31 is adjusted to the light-incoming side wall 12 to reflect sunlight and prevent the battery frame 1 from absorbing heat and rising in temperature. Compared with the existing technology, this design can help control the temperature of the power battery and improve its performance and safety.
[0029] According to one embodiment of the present invention, the battery frame 1 is rotatably provided with a rotating shaft 13, and four rotating shafts 13 are respectively disposed at the four corners of the battery frame 1, and the heat insulation and heat absorption component 3 is sleeved on the four rotating shafts 13.
[0030] This design facilitates the adjustment of the heat insulation and heat absorption component 3, and the rotating shaft 13 improves the smoothness of the adjustment.
[0031] According to one embodiment of the present invention, the switching component includes a switching lever 33 disposed between the heat-absorbing wall 32 and the reflective wall 31.
[0032] With this design, the user can switch the positions of the reflective wall 31 and the heat-absorbing wall 32 at the light-inlet side wall 12 by tossing the switching lever 33.
[0033] According to one embodiment of the present invention, the inner wall of the battery frame 1 is provided with a sliding groove 14 that is slidably connected to the reflective wall 31 and the heat-absorbing wall 32.
[0034] This design serves to limit and fix the heat insulation and heat absorption component 3.
[0035] According to one embodiment of the present invention, the light-inlet sidewall 12 is fixedly provided with an anti-collision mesh 121.
[0036] This design prevents large foreign objects such as stones from bouncing up and hitting the heat insulation and heat absorption component 3, thus avoiding damage to it.
[0037] According to one embodiment of the present invention, the anti-collision mesh 121 is provided with a guide groove 1211 for the switching lever 33 to slide.
[0038] With this design, the anti-collision mesh 121 does not affect the sliding of the switching lever 33, and plays a certain guiding role in the sliding of the switching lever 33.
[0039] According to one embodiment of the present invention, the bottom wall of the battery frame 1 is provided with heat exchange holes 15, and a filter cotton 4 is provided above the heat exchange holes 15.
[0040] This design can help dissipate heat within the battery frame 1.
[0041] According to one embodiment of the present invention, the cover plate 5 of the battery frame 1 is provided with an exhaust fan 6, and the battery frame 1 is provided with an exhaust channel 51 communicating with the exhaust port of the exhaust fan 6.
[0042] With this design, the exhaust fan 6 can extract the high temperature inside the battery frame 1 in a timely manner and exchange heat inside the battery frame 1.
[0043] According to one embodiment of the present invention, the cover plate 5 of the battery frame 1 is provided with an external interface 52 that is electrically connected to the electrical interface of the power battery body 2.
[0044] This design ensures that the power battery unit 2 can supply power to products such as robotic vacuum cleaners.
[0045] According to one embodiment of the present invention, a compression spring 7 is sandwiched between the power battery body 2 and the bottom wall of the battery frame 1. An outer sleeve 16 is fixedly provided on the bottom wall of the battery frame 1, and an inner through-tube 21 is fixedly provided on the bottom wall of the battery body. The inner through-tube 21 passes through the outer sleeve 16, and the compression spring 7 is sleeved on the outside of the outer sleeve 16.
[0046] This design can reduce the vibration of the power battery body 2.
[0047] To facilitate the installation of the battery frame 1, mounting holes are provided on the battery frame 1.
[0048] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. A power battery assembly, characterized in that, The battery includes a battery frame (1), a power battery body (2) disposed within the battery frame (1), and a heat insulation and heat absorption assembly (3) disposed outside the power battery body (2). The battery frame (1) includes two oppositely arranged light-shielding sidewalls (11) and two oppositely arranged light-incoming sidewalls (12). The heat insulation and heat absorption assembly (3) includes two oppositely arranged reflective walls (31) and two oppositely arranged heat-absorbing walls (32). The size of the reflective walls (31) and the heat-absorbing walls (32) is not less than the size of the light-incoming sidewalls (12). A switching assembly for switching the reflective walls (31) to be located at the light-incoming sidewalls (12) or the heat-absorbing walls (32) to be located at the light-incoming sidewalls (12) is provided between the heat insulation and heat absorption assembly (3) and the battery frame (1).
2. The power battery assembly according to claim 1, characterized in that, The battery frame (1) is rotatably provided with a rotating shaft (13), and the four rotating shafts (13) are respectively located at the four corners of the battery frame (1). The heat insulation and heat absorption component (3) is sleeved on the four rotating shafts (13).
3. The power battery assembly according to claim 2, characterized in that, The switching assembly includes a switching lever (33) disposed between the heat-absorbing wall (32) and the reflective wall (31).
4. The power battery assembly according to claim 3, characterized in that, The inner wall of the battery frame (1) is provided with a sliding groove (14) that is slidably connected to the reflective wall (31) and the heat-absorbing wall (32).
5. The power battery assembly according to claim 3, characterized in that, The light-inlet sidewall (12) is fixedly provided with an anti-collision mesh (121).
6. The power battery assembly according to claim 5, characterized in that, The anti-collision mesh (121) is provided with a guide groove (1211) for the switching lever (33) to slide.
7. The power battery assembly according to claim 1, characterized in that, The bottom wall of the battery frame (1) is provided with heat exchange holes (15), and a filter cotton (4) is provided above the heat exchange holes (15).
8. The power battery assembly according to claim 7, characterized in that, The cover plate (5) of the battery frame (1) is provided with an exhaust fan (6), and the battery frame (1) is provided with an exhaust channel (51) that communicates with the exhaust port of the exhaust fan (6).
9. The power battery assembly according to claim 1, characterized in that, A compression spring (7) is sandwiched between the power battery body (2) and the bottom wall of the battery frame (1). An outer sleeve (16) is fixedly installed on the bottom wall of the battery frame (1), and an inner tube (21) is fixedly installed on the bottom wall of the battery body. The inner tube (21) passes through the outer sleeve (16), and the compression spring (7) is sleeved on the outside of the outer sleeve (16).