Commercial vehicle battery box
By designing a liquid-cooled heat dissipation mechanism in the battery box, the coolant circulation system is used to solve the problems of large weight and poor heat dissipation of the sheet metal battery box, and the effect of rapid cooling and extended battery life is achieved.
Patent Information
- Application Number
- CN202323399750.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2033-12-13
AI Technical Summary
The existing battery box adopts a sheet metal solution, which has large weight, large processing deformation, low installation accuracy, and cannot integrate a liquid cooling system, resulting in poor heat dissipation of the battery and affecting the service life of the battery cell.
A commercial vehicle battery box is designed, including a box cover, box and installation bracket. The liquid-cooled heat dissipation mechanism is fixed on the top of the box. It forms a circulating cooling system through components such as heat dissipation plate, connecting pipe, conveying groove and sealing joints. Coolant dissipates heat from the battery.
It achieves rapid reduction of battery temperature, improves the heat dissipation effect of the battery box, solves the problems of large weight, deformation and low installation accuracy, and extends the service life of the battery cell.
Smart Images

Figure CN222338346U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery boxes, in particular to a commercial vehicle battery box. Background Art
[0002] At present, the design ideas of new energy battery boxes include sheet metal solutions and aluminum profile solutions. Sheet metal battery boxes are heavy, have large processing deformation, low installation accuracy, and cannot integrate liquid cooling systems, which is not conducive to battery heat dissipation and extending the service life of the battery cells.
[0003] The existing battery box adopts sheet metal solution, which is heavy in use and easy to deform during processing. At the same time, the installation accuracy is low, and it is impossible to install an integrated liquid cooling system, which is not conducive to battery heat dissipation and leads to battery cell failure. Utility Model Content
[0004] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a commercial vehicle battery box, which has the advantage of good heat dissipation effect, and solves the problem that the existing battery box adopts sheet metal solution, is heavy in use, easy to deform during processing, has low installation accuracy, and cannot install an integrated liquid cooling system, which is not conducive to battery heat dissipation and leads to problems with battery cells.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: comprising a box cover, a box body and a mounting bracket, wherein the mounting bracket is fixedly connected to the bottom of the box cover surface, the box body is arranged at the bottom of the box cover, and the top of the box body is fixedly connected to a liquid cooling heat dissipation mechanism.
[0006] As a preferred embodiment of the utility model, the liquid cooling heat dissipation mechanism includes a heat sink, which is connected to the top of the box body, a connecting pipe is fixedly connected to the right side of the box body, a conveying groove is opened on the left side of the connecting pipe, and a diversion groove is opened on the left side of the conveying groove.
[0007] As a preferred embodiment of the utility model, the top of the left side of the inner wall of the diversion groove is fixedly connected to a sealing joint, and the right side of the bottom of the heat sink is provided with a guide groove, and a plurality of guide grooves are provided, and the guide grooves are equidistantly distributed, and the right side of the bottom of the guide groove is fixedly connected to the surface of the sealing joint.
[0008] As a preferred embodiment of the utility model, a second connecting pipe is fixedly connected to the left side of the box body, and a second conveying groove is opened on the left side of the inner wall of the box body.
[0009] As a preferred embodiment of the utility model, a second diversion groove is opened on the right side of the second conveying groove, and a second sealing joint is fixedly connected to the top of the inner wall of the second diversion groove, and the top of the second sealing joint is fixedly connected to the left side of the inner wall of the guide groove.
[0010] As a preferred embodiment of the present invention, a support frame is fixedly connected to the top of the inner wall of the box cover, and the material of the support frame is SMC composite material.
[0011] As a preferred embodiment of the present invention, a heat spreader is fixedly connected to the top of the heat sink.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model is provided with a liquid cooling heat dissipation mechanism. When in use, the coolant can be cooled by a temperature-reducing device and then transported to the liquid cooling heat dissipation mechanism. The battery is cooled by the liquid cooling heat dissipation mechanism, which can quickly reduce the temperature of the battery and achieve a rapid cooling effect. This solves the problem that the existing battery box adopts a sheet metal solution, which is heavy in use and easy to deform during processing. At the same time, the installation accuracy is low, and an integrated liquid cooling system cannot be installed, which is not conducive to the heat dissipation of the battery and causes problems with the battery core. The utility model has the advantage of good heat dissipation effect.
[0014] 2. The utility model sets a liquid cooling heat dissipation mechanism, fixes the battery above the heat dissipation plate, connects the connecting pipe 1 to the cooling device through a pipeline, absorbs the heat of the battery through the heat dissipation plate to reduce the heat of the battery, and then the coolant enters the conveying groove 1 through the connecting pipe 1, conveys the coolant to the diverting groove 1 through the conveying groove 1, and the diverting groove 1 diverts the coolant to the guide groove, and the heat dissipation plate is cooled by the coolant absorbing the heat of the heat dissipation plate.
[0015] 3. The utility model provides a sealing joint and a guide groove, connects the sealing joint with the guide groove and seals the gap at the edge, and then transports the coolant into the guide groove through the sealing joint to cool the heat sink. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0017] Figure 2 This is a schematic diagram of the three-dimensional explosion structure of the utility model;
[0018] Figure 3 The utility model is Figure 2 The enlarged structural diagram at A in the middle;
[0019] Figure 4 The utility model is Figure 2 Enlarged structural diagram at B in the middle.
[0020] In the figure: 1. box cover; 2. box body; 3. mounting bracket; 4. liquid cooling heat dissipation mechanism; 41. heat sink; 42. connecting pipe 1; 43. conveying trough 1; 44. diverter trough 1; 5. sealing joint 1; 6. guide trough; 7. connecting pipe 2; 8. conveying trough 2; 9. diverter trough 2; 10. sealing joint 2; 11. support frame; 12. heat spreader. DETAILED DESCRIPTION
[0021] 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.
[0022] like Figures 1 to 4 As shown, the utility model includes a box cover 1, a box body 2 and a mounting bracket 3, the mounting bracket 3 is fixedly connected to the bottom of the surface of the box cover 1, the box body 2 is arranged at the bottom of the box cover 1, and the top of the box body 2 is fixedly connected with a liquid cooling heat dissipation mechanism 4.
[0023] refer to Figure 3 The liquid cooling mechanism 4 includes a heat sink 41, which is connected to the top of the box body 2. A connecting pipe 42 is fixedly connected to the right side of the box body 2. A conveying groove 43 is opened on the left side of the connecting pipe 42, and a diversion groove 44 is opened on the left side of the conveying groove 43.
[0024] As a technical optimization scheme of the utility model, a liquid cooling heat dissipation mechanism 4 is provided, and the battery is fixed above the heat sink 41, and then the connecting pipe 42 is connected to the cooling device through a pipeline, and then the heat of the battery is absorbed by the heat sink 41 to reduce the heat of the battery, and then the coolant enters the conveying groove 43 through the connecting pipe 42, and the coolant is conveyed to the diverting groove 44 through the conveying groove 43, so that the diverting groove 44 diverts the coolant and conveys it to the guide groove 6, and the heat sink 41 is cooled by the coolant absorbing the heat of the heat sink 41.
[0025] refer to Figure 2 The top of the left side of the inner wall of the diversion groove 44 is fixedly connected with a sealing joint 5, and a guide groove 6 is opened on the right side of the bottom of the heat dissipation plate 41. There are several guide grooves 6, and the guide grooves 6 are distributed at equal distances. The right side of the bottom of the guide groove 6 is fixedly connected to the surface of the sealing joint 5.
[0026] As a technical optimization solution of the utility model, a sealing joint 5 and a guide groove 6 are provided, the sealing joint 5 is connected to the guide groove 6 and the gap at the edge is sealed, and then the coolant is transported to the guide groove 6 through the sealing joint 5 to cool the heat sink 41.
[0027] refer to Figure 4 A connecting pipe 2 7 is fixedly connected to the left side of the box body 2, and a conveying groove 2 8 is opened on the left side of the inner wall of the box body 2.
[0028] As a technical optimization solution of the utility model, by setting a connecting pipe 2 7 and a conveying trough 2 8, and by connecting the connecting pipe 2 7 to the cooling device, the cooling liquid with increased temperature can be conveyed to the cooling device for cooling, and then the cooling liquid with increased temperature can be conveyed to the connecting pipe 2 7 through the conveying trough 2 8.
[0029] refer to Figure 4 A diversion groove 2 9 is opened on the right side of the conveying groove 2 8, and a sealing joint 2 10 is fixedly connected to the top of the inner wall of the diversion groove 2 9, and the top of the sealing joint 2 10 is fixedly connected to the left side of the inner wall of the guide groove 6.
[0030] As a technical optimization scheme of the utility model, a diverter groove 2 9 and a sealing joint 2 10 are provided, and the gap between the diverter groove 2 9 and the guide groove 6 is sealed by the sealing joint 2 10, and then the sealing joint 2 10 transports the coolant in the guide groove 6 to the diverter groove 2 9, and the coolant is concentratedly transported to the delivery groove 2 8 through the diverter groove 2 9, thereby forming a circulation to quickly reduce the battery temperature.
[0031] refer to Figure 2 A support frame 11 is fixedly connected to the top of the inner wall of the box cover 1, and the material of the support frame 11 is SMC composite material.
[0032] As a technical optimization solution of the utility model, a support frame 11 is provided to support the box cover 1. The box cover 1 is stamped from an aluminum alloy plate and then the support frame 11 is used to improve the structural strength of the box cover 1 and the supporting force of the box cover 1.
[0033] refer to Figure 2 The top of the heat sink 41 is fixedly connected with a heat spreader 12 .
[0034] As a technical optimization solution of the present invention, by providing a heat spreader 12, the heat spreader 12 can evenly dissipate heat from the battery, thereby improving the heat dissipation effect.
[0035] The working principle and use process of the utility model are as follows: when in use, the battery is fixed above the heat sink 41, and then the connecting pipe 42 is connected to the cooling device through a pipeline, and then the heat of the battery is reduced by absorbing the heat of the battery through the heat sink 41, and then the coolant enters the conveying groove 43 through the connecting pipe 42, and the coolant is conveyed to the diverting groove 44 through the conveying groove 43, so that the diverting groove 44 diverts the coolant and conveys it to the guide groove 6, and the heat sink 41 is cooled by the coolant absorbing the heat of the heat sink 41, and the guide groove 6 is connected to the sealing joint 5 and the gap at the edge is sealed, and then the coolant is conveyed to the guide groove 6 through the sealing joint 5 to cool the heat sink 41, and then the connecting pipe 2 is connected to the cooling device through the sealing joint 5 to cool the heat sink 41. 7 is connected to the cooling device, and the coolant with increased temperature can be transported to the cooling device for cooling, and then the coolant with increased temperature is transported to the connecting pipe 2 7 through the conveying groove 2 8, and the gap between the diverter groove 2 9 and the guide groove 6 is sealed through the sealing joint 2 10, and then the sealing joint 2 10 transports the coolant in the guide groove 6 to the diverter groove 2 9, and the coolant is concentratedly transported to the conveying groove 2 8 through the diverter groove 2 9, so as to form a cycle and quickly reduce the battery temperature, and the box cover 1 is supported by the support frame 11, and the box cover 1 is stamped by an aluminum alloy plate, and then the structural strength of the box cover 1 is improved by the support frame 11, and the supporting force of the box cover 1 is improved, and the heat dissipation plate 12 can be used to evenly dissipate the heat of the battery, thereby improving the heat dissipation effect.
[0036] To sum up: this commercial vehicle battery box, by providing a liquid cooling heat dissipation mechanism 4, can cool the coolant through a cooling device when in use and then transport it to the liquid cooling heat dissipation mechanism 4. The battery is dissipated by the liquid cooling heat dissipation mechanism 4, which can quickly reduce the temperature of the battery and achieve a rapid cooling effect. This solves the problem that the existing battery box adopts a sheet metal solution, is heavy in use, is easy to deform during processing, has low installation accuracy, and cannot install an integrated liquid cooling system, which is not conducive to battery heat dissipation and leads to problems with the battery cells.
[0037] 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.
[0038] 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 commercial vehicle battery box, comprising a box cover (1), a box body (2) and a mounting bracket (3), characterized in that: The mounting bracket (3) is fixedly connected to the bottom of the surface of the box cover (1), the box body (2) is arranged at the bottom of the box cover (1), and the top of the box body (2) is fixedly connected to a liquid cooling heat dissipation mechanism (4).
2. A commercial vehicle battery box according to claim 1, characterized in that: The liquid cooling heat dissipation mechanism (4) comprises a heat dissipation plate (41), the heat dissipation plate (41) is connected to the top of the box body (2), a connecting pipe (42) is fixedly connected to the right side of the box body (2), a conveying groove (43) is provided on the left side of the connecting pipe (42), and a diversion groove (44) is provided on the left side of the conveying groove (43).
3. A commercial vehicle battery box according to claim 2, characterized in that: The top of the left side of the inner wall of the diversion groove (44) is fixedly connected to a sealing joint (5), and the right side of the bottom of the heat dissipation plate (41) is provided with a guide groove (6), and a plurality of guide grooves (6) are provided, and the plurality of guide grooves (6) are distributed at equal distances, and the right side of the inner bottom of the guide groove (6) is fixedly connected to the surface of the sealing joint (5).
4. A commercial vehicle battery box according to claim 3, characterized in that: A second connecting pipe (7) is fixedly connected to the left side of the box body (2), and a second conveying groove (8) is opened on the left side of the inner wall of the box body (2).
5. A commercial vehicle battery box according to claim 4, characterized in that: A second diversion groove (9) is provided on the right side of the second conveying groove (8), and a second sealing joint (10) is fixedly connected to the top of the inner wall of the second diversion groove (9), and the top of the second sealing joint (10) is fixedly connected to the left side of the inner wall of the guide groove (6).
6. The commercial vehicle battery box according to claim 1, characterized in that: A support frame (11) is fixedly connected to the top of the inner wall of the box cover (1), and the material of the support frame (11) is SMC composite material.
7. A commercial vehicle battery box according to claim 2, characterized in that: A heat spreader (12) is fixedly connected to the top of the heat dissipation plate (41).