New energy automobile battery pack cooling and heat dissipation device

Abstract

The utility model discloses a new energy automobile battery pack cooling and radiating device, and particularly relates to the technical field of new energy automobiles, which comprises a battery box, a battery module erected in the battery box and a terminal strip assembled at the top of the battery module, a liquid cooling plate is installed in the battery box at the bottom of the battery module, a cooling pipe is installed in the liquid cooling plate, heat dissipation partition plates are installed at the two ends of the battery module, a vacuum pump is installed in the battery box at the bottom of the installation frame, the rear end of the vacuum pump is connected with an air guide pipe, and the front end of the air guide pipe is connected with the heat dissipation partition plates through air spraying pipes. The rear end of the heat dissipation partition plate is connected with an air outlet pipe. According to the utility model, the liquid cooling plate is arranged at the bottom of the battery module, so that heat dissipation treatment can be carried out on the heat dissipation partition plate and the battery module in a liquid cooling manner, external air is guided into the heat dissipation partition plate through the vacuum pump, heat dissipation of the battery module is realized in an air cooling manner, and the heat dissipation effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of new energy vehicles, in particular to a cooling and heat dissipation device for a new energy vehicle battery pack. Background Technique

[0002] With the continuous development of new energy vehicle technology, the performance and safety of battery packs have received extensive attention. However, a large amount of heat is generated during the operation of the battery pack. If it cannot be dissipated in time and effectively, it will have an adverse impact on the performance and life of the battery pack, and even cause safety accidents. Therefore, heat dissipation treatment is required for the battery pack.

[0003] In the process of implementing the present invention, the inventor found that there are at least the following problems in the prior art:

[0004] The existing cooling and heat dissipation devices for new energy vehicle battery packs usually only use one heat dissipation method for heat dissipation. When using air cooling, it is impossible to effectively divert the air, which affects the heat dissipation effect.

[0005] Therefore, the above technical problems need to be solved. Content of the Utility Model

[0006] In order to overcome the deficiencies of the prior art, the utility model provides a cooling and heat dissipation device for a new energy vehicle battery pack, which solves the problem that the existing cooling and heat dissipation devices for new energy vehicle battery packs usually only use one heat dissipation method for heat dissipation. When using air cooling, it is impossible to effectively divert the air, which affects the heat dissipation effect.

[0007] To achieve the above object, the basic technical solution proposed by the utility model is as follows:

[0008] A cooling and heat dissipation device for a new energy vehicle battery pack includes a battery box, a battery module installed inside the battery box, and a terminal row assembled on the top of the battery module. An installation rack is installed on one side inside the battery box. A battery management system is installed on the top of the installation rack, and one side of the terminal row is connected to the battery management system. A power connection socket extending out of the battery box is installed on one side of the battery management system;

[0009] A liquid cooling plate is installed inside the battery box at the bottom of the battery module. A cooling pipe is installed inside the liquid cooling plate. A connecting pipe extending out of the battery box is installed on one side of the cooling pipe. Heat dissipation partitions are installed at both ends of the battery module. A vacuum pump is installed inside the battery box at the bottom of the installation rack. The rear end of the vacuum pump is connected to a duct. The front end of the duct is connected to the heat dissipation partition through a spray duct. An air outlet duct is connected to the rear end of the heat dissipation partition.

[0010] Preferably, an air inlet duct is installed at the front end of the vacuum pump, and a filter element is installed on one side of the air inlet duct through which it penetrates the battery box.

[0011] Preferably, a diverter plate is installed inside the heat dissipation baffle, and a triangular platform is installed at one end of the diverter plate close to the air injection pipe.

[0012] Preferably, an air outlet window is installed on the other side of the battery box, and an air outlet matched with the air outlet window is opened on the other side of the air outlet pipe.

[0013] Preferably, a ventilating port communicating with the heat dissipating baffle is provided at the rear end of the air outlet pipe, and an air guide plate is installed inside the air outlet pipe on one side of the ventilating port.

[0014] Preferably, a detachable insulating sealing cover is installed on the top of the battery box, and the insulating sealing cover is connected to the battery box via a connecting bolt.

[0015] Preferably, mounting seats are installed at the four corners of the outer periphery of the battery box, and mounting bolts are slidably installed inside the mounting seats.

[0016] The beneficial effects of the utility model are:

[0017] The technical solution of the utility model can perform heat dissipation treatment on the heat dissipation baffle and the battery module by means of liquid cooling, through the liquid cooling plate installed at the bottom of the battery module, and after the external gas is guided into the inside of the heat dissipation baffle by a vacuum pump, the heat dissipation of the battery module is achieved by air cooling, and the gas after heat exchange is discharged from the inside of the battery box by means of an air outlet pipe, thereby improving the heat dissipation effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the first embodiment of the present utility model;

[0019] Figure 2 It is a side view of the first embodiment of the utility model;

[0020] Figure 3 This is an expanded view of the battery box and the battery module of the first embodiment of the utility model;

[0021] Figure 4 It is a schematic diagram of the top cross-sectional structure of the air outlet duct and the heat dissipation baffle of the first embodiment of the utility model.

[0022] In the figure: 1. battery box; 2. battery module; 3. terminal block; 4. battery management system; 5. insulating sealing cover; 6. connecting bolt; 7. power socket; 8. connecting pipe; 9. liquid cooling plate; 10. cooling pipe; 11. air inlet pipe; 12. vacuum pump; 13. air guide pipe; 14. air injection pipe; 15. heat dissipation baffle; 16. manifold; 17. air outlet pipe; 18. air guide plate; 19. mounting base; 20. mounting bolt; 21. air outlet window; 22. mounting frame. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-4 , the present invention provides a technical solution: a cooling and heat dissipation device for a new energy vehicle battery pack, including a battery box 1, a battery module 2 installed inside the battery box 1, and a terminal row 3 assembled on the top of the battery module 2. An installation rack 22 is installed on one side inside the battery box 1, a battery management system 4 is installed on the top of the installation rack 22, and one side of the terminal row 3 is connected to the battery management system 4. A power connection socket 7 extending out of the battery box 1 is installed on one side of the battery management system 4; a liquid cooling plate 9 is installed inside the battery box 1 at the bottom of the battery module 2, a cooling pipe 10 is installed inside the liquid cooling plate 9, a connecting pipe 8 extending out of the battery box 1 is installed on one side of the cooling pipe 10, heat dissipation partitions 15 are installed at both ends of the battery module 2, a vacuum pump 12 is installed inside the battery box 1 at the bottom of the installation rack 22, a duct 13 is connected to the rear end of the vacuum pump 12, and the front end of the duct 13 is connected to the heat dissipation partition 15 through an air injection pipe 14, and an air outlet pipe 17 is connected to the rear end of the heat dissipation partition 15.

[0025] Based on the above structure settings, the cooling and heat dissipation device for the new energy vehicle battery pack consists of a battery box 1, a battery module 2, a terminal block 3, and a battery management system 4. Among them, the battery management system 4 is used for the detection and management of the battery module 2, the battery module 2 is used for power storage, the terminal block 3 is used for the connection between the battery module 2 and the battery management system 4, and the battery box 1 is used for the protection of internal devices. Specifically, during the working process, it is connected to the vehicle using the power connection socket 7. After connection, power is supplied to the vehicle through the battery module 2. The battery module 2 is detected and managed through the terminal block 3 and the battery management system 4. After being connected to the external liquid cooling structure using the connecting pipe 8, the coolant is introduced into the interior of the cooling pipe 10 through the connecting pipe 8, and the battery module 2 is assisted in heat dissipation through the liquid cooling plate 9. After the vacuum pump 12 is powered on, the gas outside the battery box 1 is guided into the interior of the battery box 1 and transmitted into the interior of the air duct 13, and after being pressurized through the air injection pipe 14, it is introduced into the interior of the heat dissipation partition 15. When in use, the heat dissipation partition 15 dissipates heat from the heat-generating battery module 2, and the air flow entering the interior of the heat dissipation partition 15 through the air injection pipe 14 is used for heat exchange and temperature reduction. The gas after heat exchange is discharged from the interior of the battery box 1 through the air outlet pipe 17, thus completing the cooling of the battery module 2. For the cooling and heat dissipation device of the new energy vehicle battery pack, by installing the liquid cooling plate 9 at the bottom of the battery module 2, heat dissipation treatment can be carried out on the heat dissipation partition 15 and the battery module 2 in a liquid cooling manner. After the external gas is guided into the interior of the heat dissipation partition 15 through the vacuum pump 12, heat dissipation of the battery module 2 is achieved in an air cooling form, improving the heat dissipation effect.

[0026] Furthermore, an air inlet pipe 11 is installed at the front end of the vacuum pump 12, and a filter element is installed through one side of the air inlet pipe 11 and penetrates the battery box 1. Among them, the filter element is detachably installed inside the air inlet pipe 11; specifically, the air around the battery box 1 is diverted into the interior of the vacuum pump 12 using the air inlet pipe 11, and the gas entering the interior of the air inlet pipe 11 is filtered using the filter element to prevent the gas from damaging the vacuum pump 12.

[0027] Furthermore, a flow splitting plate 16 is installed inside the heat dissipation partition 15, and a triangular platform is installed at one end of the flow splitting plate 16 close to the air injection pipe 14. Among them, the tip of the triangular platform faces the air injection pipe 14; specifically, the flow splitting plate 16 can be used to split the gas entering the interior of the heat dissipation partition 15 from the air injection pipe 14, so that the gas can better contact the inner wall of the heat dissipation partition 15 after splitting, improving the heat dissipation effect.

[0028] Furthermore, an air outlet window 21 is installed on the other side of the battery box 1, and an air outlet adapted to the air outlet window 21 is opened on the other side of the air outlet pipe 17. Among them, a dust-proof net is installed inside the air outlet window 21; specifically, when in use, the air outlet window 21 can discharge the air flow of the air outlet pipe 17 from the interior of the battery box 1, thus completing the heat dissipation of the battery module 2.

[0029] Furthermore, a ventilation opening communicating with the heat dissipation partition plate 15 is formed at the rear end of the air outlet pipe 17, and a wind guide plate 18 is installed inside the air outlet pipe 17 on one side of the ventilation opening. Among them, the wind guide plate 18 is inclined; specifically, the ventilation opening can guide the air flow inside the heat dissipation partition plate 15 into the air outlet pipe 17, and after entering, the wind guide plate 18 is used to guide the air flow to avoid the situation of air flow turbulence after entering the air outlet pipe 17.

[0030] Furthermore, a detachable insulating sealing cover 5 is installed on the top of the battery box 1, and the insulating sealing cover 5 is connected to the battery box 1 through a connecting bolt 6. Among them, connecting holes corresponding to the positions of the connecting bolts 6 are formed at the top of the battery box 1; specifically, after the connecting bolt 6 passes through the insulating sealing cover 5 and is connected to the battery box 1, the tightness of the insulating sealing cover 5 of the battery box 1 can be increased during use, so as to protect the internal equipment of the battery box 1.

[0031] Furthermore, mounting seats 19 are installed at the four corners of the periphery of the battery box 1, and mounting bolts 20 are slidably installed inside the mounting seats 19. Among them, the bottom of the mounting seat 19 is at the same horizontal position as the bottom of the battery box 1; specifically, the mounting seat 19 can expand the contact area between the bottom of the battery box 1 and the vehicle structure, and after the mounting bolt 20 passes through the mounting seat 19 and is connected to the structure on the vehicle, the battery box 1 can be made more stable.

[0032] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0033] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling and heat dissipation device for a new energy vehicle battery pack, characterized in that: The invention comprises a battery box (1), a battery module (2) mounted inside the battery box (1), and a terminal block (3) mounted on the top of the battery module (2); a mounting frame (22) is mounted on one side inside the battery box (1); a battery management system (4) is mounted on the top of the mounting frame (22); one side of the terminal block (3) is connected to the battery management system (4); and one side of the battery management system (4) is mounted with a power receiving socket (7) extending out of the battery box (1); A liquid cooling plate (9) is installed inside the battery box (1) at the bottom of the battery module (2), a cooling pipe (10) is installed inside the liquid cooling plate (9), a connecting pipe (8) extending out of the battery box (1) is installed on one side of the cooling pipe (10), heat dissipation baffles (15) are installed at both ends of the battery module (2), a vacuum pump (12) is installed inside the battery box (1) at the bottom of the mounting frame (22), a rear end of the vacuum pump (12) is connected to an air duct (13), a front end of the air duct (13) is connected to the heat dissipation baffle (15) via an air injection pipe (14), and a rear end of the heat dissipation baffle (15) is connected to an air outlet pipe (17).

2. A cooling and heat dissipation device for a new energy vehicle battery pack according to claim 1, characterized in that: An air inlet pipe (11) is installed at the front end of the vacuum pump (12), and a filter element is installed on one side of the air inlet pipe (11) that penetrates the battery box (1).

3. A cooling and heat dissipation device for a new energy vehicle battery pack according to claim 1, characterized in that: A diverter plate (16) is installed inside the heat dissipation baffle (15), and a triangular platform is installed at one end of the diverter plate (16) close to the air injection pipe (14).

4. A cooling and heat dissipation device for a new energy vehicle battery pack according to claim 1, characterized in that: An air outlet window (21) is installed on the other side of the battery box (1), and an air outlet matching the air outlet window (21) is opened on the other side of the air outlet pipe (17).

5. A cooling and heat dissipation device for a new energy vehicle battery pack according to claim 4, characterized in that: A ventilating opening communicating with the heat dissipation baffle (15) is provided at the rear end of the air outlet pipe (17), and an air guide plate (18) is installed inside the air outlet pipe (17) on one side of the ventilating opening.

6. A cooling and heat dissipation device for a new energy vehicle battery pack according to claim 5, characterized in that: A detachable insulating sealing cover (5) is installed on the top of the battery box (1), and the insulating sealing cover (5) is connected to the battery box (1) via a connecting bolt (6).

7. A cooling and heat dissipation device for a new energy vehicle battery pack according to any one of claims 1 to 6, characterized in that: Mounting seats (19) are installed at the four corners of the outer periphery of the battery box (1), and mounting bolts (20) are slidably installed inside the mounting seats (19).

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