New energy automobile power battery cooling device

Abstract

The utility model belongs to the technical field of new energy batteries, and particularly relates to a new energy automobile power battery cooling device which comprises a battery holder and a cooling assembly arranged in the battery holder. The cooling assembly comprises a plurality of groups of mounting grooves formed in the battery holder, a plurality of groups of transverse grooves formed in the battery holder and a plurality of groups of longitudinal grooves formed in the battery holder, battery mounting blocks are fixed in the mounting grooves, and a plurality of groups of cooling fins are fixed on the outer surfaces of the battery mounting blocks; the plurality of groups of cooling fins are arranged in an annular array, the mounting grooves are communicated with the transverse grooves, and the mounting grooves are communicated with the longitudinal grooves, so that the internal heat dissipation of the battery holder is uniform, the overall temperature is ensured, the local temperature is prevented from being too high, and the service life of the battery holder is prolonged. The communication groove is communicated with the battery mounting block, so that the outer wall of the battery mounting block is cooled, and the heat dissipation area can be increased by the heat dissipation fins.

Description

Technical Field

[0001] The utility model belongs to the technical field of new energy batteries, and specifically relates to a cooling device for a power battery of a new energy vehicle. Background Art

[0002] In recent years, environmental pollution and fossil fuel consumption have become the main research directions. The emergence of new energy vehicles has solved this problem to a certain extent. At the same time, the battery pack in new energy vehicles is an important power source for the entire power drive part. In order for the battery pack to have a long service life, it is necessary to configure a cooling device for the battery pack of new energy vehicles.

[0003] After checking the publication (announcement) number: CN217641521U discloses a new energy power vehicle battery pack cooling device. This technology discloses "including a shell, a battery pack is arranged inside the shell, and a mounting hole is opened on the upper surface of the shell, a fixing frame is arranged on the inner wall of the mounting hole, a heat conduction elbow is arranged on the inner wall of the fixing frame, and a plurality of heat conduction plates are fixedly connected to the lower surface of the fixing frame, the heat conduction elbow is fixedly connected to the upper surface of the heat conduction plate, the input end of the heat conduction elbow extends to the outside of the fixing frame, and is fixedly connected to a first flow guide pipe, and the output end of the heat conduction elbow extends to the fixing frame. The outer part of the housing is fixedly connected with a second flow guide pipe, the back of the housing is fixedly connected with a coolant storage box, and the lower surface of the coolant storage box is embedded with a semiconductor refrigeration sheet. By setting a fixed frame, a heat-conducting curved pipe, a heat-conducting plate and a heat-dissipating fin, and then cooperating with a circulating pump and a coolant storage box, the circulating pump is used to transport the coolant to the heat-conducting curved pipe, and the heat-conducting plate is used to absorb and exchange the heat emitted by the battery pack, and the circulating coolant is used to transport the heat to the inside of the coolant storage box, and the semiconductor refrigeration sheet is used to circulate and cool the coolant, so as to achieve a circulating cooling effect.

[0004] Although the design uses circulating coolant to transfer heat to the inside of the coolant storage box, and uses semiconductor refrigeration sheets to circulate and cool the coolant, thereby achieving a circulating cooling effect, in actual use, when the battery pack is in use, it is affected by various factors, and the local temperature of the battery pack may be too high, such as the battery use cycle, changes in internal resistivity, etc. If the local temperature of the battery pack is too high, it may cause damage to the battery in the area, and local battery damage will affect the overall battery use;

[0005] In order to solve the above problems, this application proposes a new energy vehicle power battery cooling device. Utility Model Content

[0006] To solve the problems raised in the above background technology, the utility model provides a new energy vehicle power battery cooling device, which has staggered transverse serpentine tubes and longitudinal serpentine tubes, so that the internal heat dissipation of the battery holder is uniform, the overall temperature is guaranteed, and the local temperature is avoided to be too high.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: The utility model provides a new energy vehicle power battery cooling device, comprising a battery seat, and also comprising a cooling assembly arranged inside the battery seat;

[0008] The cooling assembly includes a plurality of mounting grooves disposed inside the battery holder, a plurality of transverse grooves disposed inside the battery holder, and a plurality of longitudinal grooves disposed inside the battery holder;

[0009] As a preferred new energy vehicle power battery cooling device of the utility model, a battery mounting block is fixed inside the mounting groove, and a plurality of groups of heat sinks are fixed on the outer surface of the battery mounting block. The plurality of groups of heat sinks are arranged in a ring array, and the mounting groove is connected to the transverse groove, and the mounting groove is connected to the longitudinal groove.

[0010] As a preferred embodiment of the utility model of a new energy vehicle power battery cooling device, the outer wall of the installation groove is provided with a plurality of groups of connecting grooves.

[0011] As a preferred embodiment of a power battery cooling device for a new energy vehicle of the utility model, a transverse serpentine tube is arranged inside the transverse groove, a longitudinal serpentine tube is arranged inside the longitudinal groove, the transverse serpentine tube and the longitudinal serpentine tube are arranged alternately, and fixed tube blocks are fixed on the outer sides of the transverse serpentine tube and the longitudinal serpentine tube, and the fixed tube block is in contact with the battery seat.

[0012] As a preferred new energy vehicle power battery cooling device of the utility model, a first input tube is fixed to the input end of the transverse serpentine tube, a second input tube is fixed to the input end of the longitudinal serpentine tube, the first input tube and the second input tube are connected via a first adapter tube, a first output tube is fixed to the output end of the transverse serpentine tube, a second output tube is fixed to the output end of the longitudinal serpentine tube, and the first output tube and the second output tube are connected via a second adapter tube.

[0013] As a preferred embodiment of the utility model, a new energy vehicle power battery cooling device further includes a cover assembly arranged above the battery seat, the cover assembly includes a battery cover arranged above the battery seat, a plurality of battery buckles arranged above the battery seat, and a plurality of connection blocks arranged above the battery seat.

[0014] As a preferred embodiment of the utility model of a new energy vehicle power battery cooling device, a buckle groove adapted to the battery mounting block is provided at the bottom of the battery buckle, and a sealing mounting pad is provided inside the battery buckle.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] By setting up the cooling assembly, the staggered transverse serpentine tubes and the longitudinal serpentine tubes, the internal heat dissipation of the battery holder is uniform, the overall temperature is guaranteed, and the local temperature is avoided to be too high. The connecting groove is connected with the battery mounting block, so that the outer wall of the battery mounting block is cooled, and the heat sink can increase the heat dissipation area. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the utility model without the battery cover;

[0020] Figure 3 This is a schematic diagram of the structure of the battery holder in the utility model;

[0021] Figure 4 It is a structural schematic diagram of the transverse serpentine tube and its connecting parts in the utility model;

[0022] Figure 5 It is a structural schematic diagram of the battery mounting block and its connecting components in the utility model;

[0023] Figure 6 This is a structural schematic diagram of the cover plate assembly in the utility model;

[0024] In the figure:

[0025] 1. Battery holder;

[0026] 2. Cooling assembly; 21. Mounting groove; 22. Horizontal groove; 23. Longitudinal groove; 24. Battery mounting block; 25. Heat sink; 26. Connecting groove; 27. Horizontal serpentine tube; 28. Longitudinal serpentine tube; 29. ​​Pipe fixing block; 201. First input tube; 202. Second input tube; 203. First transfer tube; 204. First output tube; 205. Second output tube; 206. Second transfer tube;

[0027] 3. Cover assembly; 31. Battery cover; 32. Battery buckle; 33. Connecting block; 34. Sealing mounting pad. DETAILED DESCRIPTION

[0028] 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.

[0029] Example 1

[0030] like Figure 1 As shown;

[0031] A new energy vehicle power battery cooling device comprises a battery seat 1.

[0032] In this embodiment: after checking the public (announcement) number: CN217641521U discloses a new energy power vehicle battery pack cooling device, for details, please refer to the disclosed technology below; in order to solve the technical problems existing in this prior art, as disclosed in the background technology above, "although the design uses circulating coolant to transport heat to the interior of the coolant storage box, and uses semiconductor refrigeration plates to circulate and cool the coolant, thereby achieving a circulating cooling effect, but in actual use, when the battery pack is in use, it is affected by various factors, and the local temperature of the battery pack may be too high, such as the battery use cycle, internal resistivity changes, etc. If the local temperature of the battery pack is too high, it may cause damage to the battery in the area, and local battery damage will affect the overall battery use." Combined with actual use, this problem is obviously a real problem that exists and is difficult to solve. In view of this, in order to solve this technical problem, a cooling assembly 2 and a cover assembly 3 are added on this basis.

[0033] like Figure 1 and Figure 6 As shown;

[0034] In combination with the above content, in order to ensure sufficient cooling; it also includes a cooling assembly 2 arranged inside the battery holder 1; the cooling assembly 2 includes a plurality of groups of mounting grooves 21 opened inside the battery holder 1, a plurality of groups of transverse grooves 22 opened inside the battery holder 1, and a plurality of groups of longitudinal grooves 23 opened inside the battery holder 1.

[0035] In this embodiment: the staggered transverse serpentine tubes 27 and longitudinal serpentine tubes 28 make the internal heat dissipation of the battery holder 1 uniform, ensure the overall temperature, and avoid excessive local temperature;

[0036] In an optional embodiment, a battery mounting block 24 is fixed inside the mounting groove 21, and a plurality of groups of heat sinks 25 are fixed on the outer surface of the battery mounting block 24. The plurality of groups of heat sinks 25 are arranged in a ring array, and the mounting groove 21 is connected to the transverse groove 22, and the mounting groove 21 is connected to the longitudinal groove 23.

[0037] In this embodiment: the battery mounting block 24 is used to fix the battery. At the same time, the battery mounting block 24 is made of heat dissipation material to dissipate heat from the battery, and the heat sink 25 can increase the heat dissipation area.

[0038] In an optional embodiment, the outer wall of the installation groove 21 is provided with a plurality of groups of communication grooves 26 .

[0039] In this embodiment, the communicating groove 26 is communicated with the battery mounting block 24 so that the outer wall of the battery mounting block 24 is cooled.

[0040] In an optional embodiment, a transverse serpentine tube 27 is arranged inside the transverse groove 22, and a longitudinal serpentine tube 28 is arranged inside the longitudinal groove 23. The transverse serpentine tube 27 and the longitudinal serpentine tube 28 are arranged alternately, and fixed tube blocks 29 are fixed on the outer sides of the transverse serpentine tube 27 and the longitudinal serpentine tube 28, and the fixed tube blocks 29 are in contact with the battery seat 1.

[0041] In this embodiment, the staggered transverse serpentine tubes 27 and longitudinal serpentine tubes 28 allow the internal heat dissipation of the battery holder 1 to be uniform, thereby ensuring the overall temperature and avoiding excessive local temperature.

[0042] In an optional embodiment, a first input tube 201 is fixed to the input end of the transverse serpentine tube 27, a second input tube 202 is fixed to the input end of the longitudinal serpentine tube 28, the first input tube 201 and the second input tube 202 are connected via a first transfer tube 203, a first output tube 204 is fixed to the output end of the transverse serpentine tube 27, a second output tube 205 is fixed to the output end of the longitudinal serpentine tube 28, and the first output tube 204 and the second output tube 205 are connected via a second transfer tube 206.

[0043] In this embodiment: the first input pipe 201 and the first output pipe 204 are connected to a compressor or a cooling device to provide cooling liquid to a plurality of groups of transverse serpentine pipes 27 and longitudinal serpentine pipes 28 to cool the interior of the battery holder 1 .

[0044] like Figure 1 and Figure 6 As shown;

[0045] In combination with the above content, for the connection of the battery, it also includes a cover assembly 3 arranged above the battery seat 1, the cover assembly 3 includes a battery cover 31 arranged above the battery seat 1, a plurality of groups of battery buckles 32 arranged above the battery seat 1, and a plurality of groups of connecting blocks 33 arranged above the battery seat 1.

[0046] In this embodiment: the battery mounting block 24 is used to fix the battery, several groups of connecting blocks 33 are fixed on the bottom of the battery cover 31, the battery buckle 32 is used to seal the battery and connect the battery, the connecting block 33 is used to connect the connected battery buckles 32 in series or in parallel, and the position of the connecting block 33 is adjusted according to the battery voltage and endurance requirements, and the connecting block 33 is finally connected to the battery cover 31.

[0047] In an optional embodiment, a buckle groove adapted to the battery mounting block 24 is formed at the bottom of the battery buckle 32 , and a sealing mounting pad 34 is disposed inside the battery buckle 32 .

[0048] In this embodiment, the sealing mounting pad 34 is used to fix the battery inside the battery mounting block 24 .

[0049] The working principle and use process of the utility model are as follows: the battery mounting block 24 is used to fix the battery, several groups of connecting blocks 33 are fixed on the bottom of the battery cover 31, the battery buckle 32 is used to seal the battery and connect the battery, the connecting block 33 is used to connect the connected battery buckles 32 in series or in parallel, and the position of the connecting block 33 is adjusted according to the battery voltage and endurance requirements. The connecting block 33 is finally connected to the battery cover 31, the first input pipe 201 and the first output pipe 204 are connected to the compressor or the cooling device, and coolant is provided for several groups of transverse serpentine tubes 27 and longitudinal serpentine tubes 28 to cool the interior of the battery holder 1, and the staggered transverse serpentine tubes 27 and longitudinal serpentine tubes 28 make the internal heat dissipation of the battery holder 1 uniform, ensure the overall temperature, and avoid excessive local temperature.

[0050] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A new energy vehicle power battery cooling device, characterized in that: It comprises a battery seat (1), and also comprises a cooling assembly (2) arranged inside the battery seat (1); The cooling assembly (2) comprises a plurality of groups of mounting grooves (21) opened inside the battery seat (1), a plurality of groups of transverse grooves (22) opened inside the battery seat (1), and a plurality of groups of longitudinal grooves (23) opened inside the battery seat (1).

2. The new energy vehicle power battery cooling device according to claim 1 is characterized in that: A battery mounting block (24) is fixed inside the mounting groove (21), and a plurality of groups of heat sinks (25) are fixed on the outer surface of the battery mounting block (24). The plurality of groups of heat sinks (25) are arranged in a ring array. The mounting groove (21) is connected to the transverse groove (22), and the mounting groove (21) is connected to the longitudinal groove (23).

3. The new energy vehicle power battery cooling device according to claim 1 is characterized in that: The outer wall of the installation groove (21) is provided with a plurality of groups of communication grooves (26).

4. The new energy vehicle power battery cooling device according to claim 1 is characterized in that: A transverse serpentine tube (27) is arranged inside the transverse groove (22), and a longitudinal serpentine tube (28) is arranged inside the longitudinal groove (23). The transverse serpentine tube (27) and the longitudinal serpentine tube (28) are arranged alternately. A fixed tube block (29) is fixed on the outer side of each of the transverse serpentine tube (27) and the longitudinal serpentine tube (28), and the fixed tube block (29) is in contact with the battery seat (1).

5. The new energy vehicle power battery cooling device according to claim 4 is characterized in that: A first input tube (201) is fixed to the input end of the transverse serpentine tube (27), a second input tube (202) is fixed to the input end of the longitudinal serpentine tube (28), the first input tube (201) and the second input tube (202) are connected via a first adapter tube (203), a first output tube (204) is fixed to the output end of the transverse serpentine tube (27), a second output tube (205) is fixed to the output end of the longitudinal serpentine tube (28), the first output tube (204) and the second output tube (205) are connected via a second adapter tube (206).

6. The new energy vehicle power battery cooling device according to claim 2 is characterized in that: The invention also comprises a cover plate assembly (3) arranged above the battery seat (1), wherein the cover plate assembly (3) comprises a battery cover plate (31) arranged above the battery seat (1), a plurality of groups of battery buckles (32) arranged above the battery seat (1), and a plurality of groups of connection blocks (33) arranged above the battery seat (1).

7. The new energy vehicle power battery cooling device according to claim 6 is characterized in that: A buckle groove matching the battery mounting block (24) is provided at the bottom of the battery buckle (32), and a sealing mounting pad (34) is provided inside the battery buckle (32).

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