CN216818455U - Battery temperature equalizing cooling device and battery module - Google Patents
Battery temperature equalizing cooling device and battery module Download PDFInfo
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- CN216818455U CN216818455U CN202220359572.9U CN202220359572U CN216818455U CN 216818455 U CN216818455 U CN 216818455U CN 202220359572 U CN202220359572 U CN 202220359572U CN 216818455 U CN216818455 U CN 216818455U
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- 238000001816 cooling Methods 0.000 title claims abstract description 60
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 227
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 230000001413 cellular effect Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 14
- 239000000110 cooling liquid Substances 0.000 description 25
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a battery temperature-equalizing cooling device and a battery module, comprising: the water inlet main channel and the water outlet main channel are arranged in parallel, a plurality of water inlet branch channels which are parallel to each other are connected in parallel on the water inlet channel, and a plurality of water outlet branch channels which are parallel to each other are connected in parallel on the water outlet main channel; the liquid cooling board is fixedly arranged on the upper surface of the bottom plate, a plurality of heat exchange grooves with the same size are arranged in the liquid cooling board at equal intervals along the direction of the water inlet main channel, the bottom surface of each heat exchange groove corresponds to the water inlet branch channel region and is provided with a plurality of water inlet holes arranged at equal intervals, the water inlet holes are communicated with the water inlet branch channel, the bottom surface of each heat exchange groove corresponds to the water outlet branch channel region and is provided with a plurality of water outlet holes arranged at equal intervals, the water outlet holes are communicated with the water outlet channel, and a plurality of turbulence pieces are arranged in the heat exchange grooves. The utility model can ensure the consistency of the water temperature in each independent heat exchange tank, thereby improving the consistency of the fluid temperature and realizing the temperature equalization cooling of the battery module.
Description
Technical Field
The utility model relates to the technical field of battery thermal management, in particular to a battery temperature equalizing cooling device and a battery module.
Background
At present, the energy storage performance of a new energy battery is higher and higher, the temperature rise of the battery is overhigh due to high-rate charge and discharge in the use process, the performance, the service life and the like of the battery are influenced, and if the temperature rise is not effectively treated, even thermal runaway can be caused, and the short circuit or explosion of the battery is caused.
At present, battery thermal management systems on the market are mainly cooled by air and liquid. The traditional air cooling is simplest and convenient, but the cooling surface has small heat exchange coefficient and low heat exchange efficiency, and the requirement of rapid heat dissipation is difficult to meet; the other liquid cooling mode is that a liquid cooling plate is arranged outside the battery module, a cooling pipeline is arranged in the liquid cooling plate, and cooling liquid is circularly injected into the cooling pipeline, so that the liquid cooling plate has large temperature difference at different positions when the cooling liquid flows in the cooling pipeline, and a good battery module uniform temperature cooling effect is hardly obtained.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a battery temperature equalizing cooling device and a battery module, so as to improve the temperature equalizing cooling effect of the battery module.
The technical scheme of the utility model is realized as follows:
in one aspect, the present invention provides a battery temperature equalizing cooling device, including:
the water inlet main channel and the water outlet main channel are arranged in parallel, a plurality of water inlet branch channels which are parallel to each other are connected in parallel on the water inlet channel, and a plurality of water outlet branch channels which are parallel to each other are connected in parallel on the water outlet main channel;
the liquid cooling board is fixedly arranged on the upper surface of the bottom plate, the top surface of the liquid cooling board is used for connecting the battery module, a plurality of heat exchange grooves with the same size are equidistantly arranged in the liquid cooling board along the direction of the water inlet main channel, a plurality of equidistant water inlet holes are formed in the water inlet branch channel region corresponding to the bottom surface of the heat exchange groove, the water inlet holes are communicated with the water inlet branch channel, a plurality of equidistant water outlet holes are formed in the water outlet branch channel region corresponding to the bottom surface of the heat exchange groove, the water outlet holes are communicated with the water outlet channel, and a plurality of turbulence pieces are arranged in the heat exchange groove.
On the basis of the technical scheme, preferably, one end of the bottom plate is provided with a water inlet and a water outlet, the water inlet is communicated with the water inlet main channel, and the water outlet is communicated with the water outlet main channel.
On the basis of the above technical scheme, preferably, the water inlet main channel and the water outlet main channel are respectively arranged at positions close to the side edges of the bottom plate, and the water inlet main channel, the water outlet main channel, the water inlet branch channel and the water outlet branch channel are on the same plane.
Further, preferably, the plurality of water inlet branch channels are arranged at equal intervals, and the plurality of water outlet branch channels are arranged at equal intervals.
On the basis of the technical scheme, preferably, the inner cavity of the heat exchange tank is divided along the water flow direction of the water inlet branch channel to form a plurality of water tanks which are consistent in size and are independent of each other, at least one water inlet hole communicated with the water inlet branch channel is arranged in each water tank, at least one water outlet hole communicated with the water outlet channel is arranged in each water tank, and a plurality of turbulence pieces are arranged in each water tank.
In one embodiment, the water inlet holes in the water tanks are linearly arranged at equal intervals, and the water outlet holes in the water tanks are linearly arranged at equal intervals.
Further, preferably, the spoiler is a spoiler structure, the spoilers are vertically spaced from each other in the water tank and are arranged in a staggered manner, and the intervals between the spoilers are equal.
As another embodiment, the spoiler is a spoiler column structure, and the spoiler columns are vertically arranged in a honeycomb shape and vertically arranged in the center of the water tank.
Preferably, the bottom plate comprises a base plate and a cover plate which are connected with each other, and the water inlet main channel, the water outlet main channel, the water inlet branch channel and the water outlet branch channel are arranged in the base plate; the liquid cooling plate comprises a groove plate and a heat exchange plate, wherein a heat exchange groove is formed in the groove plate, the heat exchange plate is installed on the top surface of the groove plate, and the heat exchange plate is connected with the battery module.
On the other hand, the utility model also discloses a battery module which comprises the battery temperature equalizing cooling device provided by the utility model.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the utility model discloses a battery temperature equalizing cooling device, which is characterized in that cooling liquid is circularly introduced into a water inlet main channel, the cooling liquid uniformly flows to a water inlet branch channel and enters a corresponding heat exchange groove through water inlet holes which are arranged at equal intervals, so that heat exchange is carried out on a battery module area corresponding to the corresponding heat exchange groove, the cooling liquid after heat exchange uniformly flows to a water outlet branch channel through water outlet holes which are arranged at equal intervals and converges to a water outlet main channel, the uniform inlet and outlet amount of the cooling liquid is realized, meanwhile, the sizes of the heat exchange grooves are the same, the water inlet holes and the water outlet holes are formed in the heat exchange grooves, the water temperature uniformity in each independent heat exchange groove can be ensured, the uniformity of the fluid temperature is improved, the battery module temperature equalizing cooling is realized, and the fluid turbulence degree and the contact area can be increased through a turbulence piece, and the heat radiation performance is improved;
(2) the inner cavity of the heat exchange tank is divided along the water flow direction of the water inlet branch channel to form a plurality of water tanks which are consistent in size and independent from each other, so that each water tank is subdivided to bear heat exchange work, and meanwhile, water inlet holes and water outlet holes are formed in each independent water tank, so that the consistency of the water temperature of the fluid in each water tank can be ensured, the multiple water tanks are utilized to realize refined heat exchange on corresponding areas of the battery module, and the temperature-equalizing cooling effect of the battery module is further improved;
(3) the water inlet holes and the water outlet holes in each water tank are linearly and equidistantly distributed, so that the liquid inlet amount and the liquid outlet amount in each water tank are kept consistent, the consistency of the water temperature in each independent water tank is ensured, the consistency of the fluid temperature is improved, and the battery module is cooled at the uniform temperature;
(4) the spoilers are vertically arranged in the water tank at intervals in a staggered manner, and the distances among the spoilers are equal, so that the flowing path of liquid in the water tank can be increased when the liquid flows, the heat exchange time of the battery module is prolonged, and the heat dissipation performance is further improved;
(5) the honeycomb-shaped turbulence columns are vertically arranged in the center of the water tank, so that the turbulence degree and the contact area of the fluid can be increased, and the heat dissipation performance is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic perspective view of a battery temperature equalization cooling device disclosed by the utility model;
FIG. 2 is an exploded view of the battery temperature equalization cooling device disclosed in the present invention;
FIG. 3 is a schematic structural diagram of a base plate disclosed in the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of a liquid cooling plate according to the present disclosure
FIG. 5 is an exploded view of the battery temperature equalization cooling device according to the present disclosure;
FIG. 6 is a schematic structural diagram of another embodiment of a liquid cooling plate according to the present disclosure;
the attached drawings are as follows:
100. a base plate; 200 liquid cooling plates; 11. a main water inlet channel; 12. a main water outlet channel; 13. a water inlet branch channel; 14. a water outlet branch channel; 21. a heat exchange tank; 22. a water inlet hole; 23. a water outlet hole; 24. a flow disturbing piece 15 and a water inlet; 16. a water outlet; 211. a water tank; 24a, a spoiler; 24b, a turbulence column; 110. a substrate; 120. a cover plate; 210. a groove plate; 220. a heat exchange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1, in conjunction with fig. 2 and 5, an embodiment of the present invention discloses a battery temperature equalization cooling device, which includes a bottom plate 100 and a liquid cooling plate 200.
The bottom plate 100 is used for circularly injecting cooling liquid, a water inlet main channel 11 and a water outlet main channel 12 which are parallel to each other are arranged inside the bottom plate 100, a plurality of water inlet branch channels 13 which are parallel to each other are connected in parallel on the water inlet channel, and a plurality of water outlet branch channels 14 which are parallel to each other are connected in parallel on the water outlet main channel 12. Therefore, after the cooling liquid is introduced into the water inlet main channel 11, the cooling liquid can be evenly distributed into the water inlet branch channels 13, and the cooling liquid flowing out of the water outlet branch channels 14 can be gathered to the water outlet branch channels 14 and is led out from the water outlet branch channels 14.
By adopting the technical scheme, the cooling liquid is introduced into the water inlet main channel 11 in a circulating manner, the cooling liquid uniformly flows to the water inlet branch channels 13 and enters the corresponding heat exchange grooves 21 through the water inlet holes 22 which are arranged at equal intervals, so that heat exchange is carried out on the battery module areas corresponding to the corresponding heat exchange grooves 21, the cooling liquid after heat exchange uniformly flows to the water outlet branch channels 14 through the water outlet holes 23 which are arranged at equal intervals and converges to the water outlet main channel 12, the uniform inlet and outlet amount of the cooling liquid is realized, meanwhile, the heat exchange grooves 21 are the same in size and are provided with the water inlet holes 23 and the water outlet holes 23, the uniformity of the water temperature in each independent heat exchange groove 21 can be ensured, the uniformity of the fluid temperature is improved, the uniform temperature cooling of the battery module is realized, the fluid turbulence degree and the contact area can be increased through the turbulence pieces 24, and the heat radiation performance is improved.
The utility model is also realized by the following technical scheme.
In this embodiment, a water inlet and a water outlet 16 are formed at one end of the bottom plate 100, the water inlet is communicated with the water inlet main channel 11, the water outlet 16 is communicated with the water outlet main channel 12, external cooling liquid can be introduced into the water inlet main channel 11 through the water inlet, and the cooling liquid after heat exchange is discharged through the water outlet main channel 12 through the water outlet 16.
As some preferred embodiments, referring to fig. 3, the main water inlet channel 11 and the main water outlet channel 12 are respectively disposed at positions close to the side edges of the bottom plate 100, and such an arrangement can achieve that the distance between the main water inlet channel 11 and the main water outlet channel 12 is sufficiently large, so that more cooling liquid can flow through the branch water inlet channel 13 and the branch water outlet channel 14, and further satisfy the requirement of heat exchange in the heat exchange groove 21 with a larger area to perform heat exchange, thereby improving the effective utilization rate of battery heat exchange. The main water inlet channel 11, the main water outlet channel 12, the branch water inlet channel 13 and the branch water outlet channel 14 are on the same plane, and the cooling liquid amount passing through the water inlet hole 22 and the water outlet hole 23 can be consistent.
In the present embodiment, the plurality of inlet branch channels 13 are arranged at equal intervals, and the plurality of outlet branch channels 14 are arranged at equal intervals. Therefore, the positions of the water inlet branch channel 13 and the water outlet branch channel 14 corresponding to the heat exchange grooves 21 with the same size can be the same, the inlet and outlet amount of cooling liquid in the heat exchange grooves 21 is consistent, the consistency of water temperature in each independent heat exchange groove 21 is guaranteed, the consistency of fluid temperature is improved, and uniform temperature cooling of the battery module is achieved.
Because the internal space of the heat exchange tank 21 is large, the randomness of the flowing of the cooling liquid is large, which may cause the temperature in different positions inside the heat exchange tank 21 to be inconsistent, for this reason, the scheme adopted by the embodiment is as follows: the inner cavity of the heat exchange tank 21 is divided along the water flow direction of the water inlet branch channel 13 to form a plurality of water tanks 211 which are identical in size and are independent of each other, at least one water inlet hole 22 communicated with the water inlet branch channel 13 is arranged in each water tank 211, at least one water outlet hole 23 communicated with the water outlet channel is arranged in each water tank 211, and a plurality of flow disturbing pieces 24 are arranged in each water tank 211. From this setting, independently cut apart a plurality of basins 211 that the size is the same in heat exchange tank 21 for each basin 211 subdivision undertakes heat transfer work, all has inlet opening 22 and apopore 23 in each independent basin 211 simultaneously, can guarantee the interior fluid temperature uniformity of every basin 211, thereby utilize a plurality of basins 211 to realize the heat transfer that becomes more meticulous to the corresponding region of battery module, and then improve battery module samming cooling effect.
As some preferred embodiments, the water inlet holes 22 in each water tank 211 are linearly and equidistantly arranged, and the water outlet holes 23 in each water tank 211 are linearly and equidistantly arranged, so that the consistency of the liquid inlet amount and the liquid outlet amount in each water tank 211 can be realized, the same liquid inlet position and liquid outlet position in each water tank 211 can be ensured, the consistency of the water temperature of the fluid in each water tank 211 can be realized, and the temperature equalizing and cooling effect of the battery module can be improved.
As an embodiment, referring to fig. 2 and 4, the spoiler 24 of the present embodiment is a spoiler 24a structure, a plurality of spoilers 24a are vertically spaced apart from each other in the water tank 211 and are staggered, and the spoilers 24a are spaced apart from each other equally. Therefore, the flow path of the liquid in the water tank 211 can be increased when the liquid flows, the heat exchange time of the battery module is prolonged, and the heat dissipation performance is further improved.
As another embodiment, referring to fig. 5 and 6, the spoiler 24 of the present embodiment is a spoiler column 24b structure, and a plurality of spoiler columns 24b are vertically arranged in a honeycomb shape and vertically arranged at the center of the water tank 211. Therefore, the fluid turbulence and the contact area can be increased, and the heat dissipation performance is improved.
In order to facilitate the processing of the bottom plate 100 and the liquid cooling plate 200, the present embodiment adopts the following scheme: the bottom plate 100 comprises a base plate 110 and a cover plate 120 which are connected with each other, and a water inlet main channel 11, a water outlet main channel 12, a water inlet branch channel 13 and a water outlet branch channel 14 are arranged in the base plate 110; the liquid-cooling plate 200 includes a channel plate 210 having a heat exchange channel 21 formed therein, and a heat exchange plate 220 mounted on the top surface of the channel plate 210, the heat exchange plate 220 being connected to the battery module. In this embodiment, the cover plate 120 and the base plate 110 may be fixed by welding or may be fixed by bolts, it is noted that the base plate 110 and the cover plate 120 are connected in a sealing manner, the trough plate 210 and the heat exchange plate 220 are connected in a sealing manner, and in this embodiment, the bottom plate 100 and the liquid cooling plate 200 are both made of aluminum profiles.
The embodiment also discloses a battery module, and the outer side wall of the battery module is fixedly connected with the battery temperature equalizing cooling device of the embodiment.
The working principle of the utility model is as follows:
when in use, the battery temperature equalizing and cooling device disclosed in the embodiment is fixedly connected with the battery module, by circulating and introducing the cooling liquid into the main water inlet channel 11, the cooling liquid flows uniformly to the branch water inlet channels 13 and enters the corresponding water tanks 211 through the water inlet holes 22 arranged at equal intervals, thereby performing heat exchange on the battery module region corresponding to the corresponding water tank 211, the cooling liquid after heat exchange uniformly flows to the water outlet branch channels 14 through the water outlet holes 23 arranged at equal intervals, and then the cooling liquid flows into the main water outlet channel 12, so that the cooling liquid flows in and out in the same amount, and simultaneously, the water tanks 211 have the same size, the water inlet and outlet holes 23 are arranged in the water tank, the consistency of the water temperature in each independent water tank 211 can be ensured, therefore, the consistency of the fluid temperature is improved, the battery module is cooled at the uniform temperature, meanwhile, the turbulence degree and the contact area of the fluid can be increased through the turbulence piece 24, and the heat dissipation performance is improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery samming cooling device, characterized by includes:
the water supply device comprises a base plate (100), wherein a water inlet main channel (11) and a water outlet main channel (12) which are parallel to each other are arranged in the base plate (100), a plurality of water inlet branch channels (13) which are parallel to each other are connected on the water inlet channel in parallel, and a plurality of water outlet branch channels (14) which are parallel to each other are connected on the water outlet main channel (12) in parallel;
liquid cold plate (200), fixed setting is at bottom plate (100) upper surface, and the top surface of liquid cold plate (200) is used for connecting the battery module, follows the equidistant heat exchange groove (21) that a plurality of sizes are the same that are provided with of main entrance (11) orientation of intaking in liquid cold plate (200), and heat exchange groove (21) bottom surface corresponds intake branch passageway (13) region and sets up inlet opening (22) that a plurality of equidistant were arranged, inlet opening (22) and intake branch passageway (13) are linked together, and heat exchange groove (21) bottom surface corresponds a regional apopore (23) of seting up a plurality of equidistant arrangements of exhalant (14), apopore (23) and exhalant passageway are linked together, are provided with a plurality of vortex spare (24) in heat exchange groove (21).
2. The battery temperature equalization cooling device of claim 1, wherein: one end of the bottom plate (100) is provided with a water inlet and a water outlet (16), the water inlet is communicated with the main water inlet channel (11), and the water outlet (16) is communicated with the main water outlet channel (12).
3. The battery temperature equalization cooling device of claim 1, wherein: the water inlet main channel (11) and the water outlet main channel (12) are respectively arranged at the positions close to the side edges of the bottom plate (100), and the water inlet main channel (11), the water outlet main channel (12), the water inlet branch channel (13) and the water outlet branch channel (14) are on the same plane.
4. The battery temperature equalization cooling apparatus of claim 3, wherein: the branch water inlet channels (13) are arranged at equal intervals, and the branch water outlet channels (14) are arranged at equal intervals.
5. The battery temperature equalization cooling device of claim 1, wherein: the inner cavity of the heat exchange tank (21) is divided along the water flow direction of the water inlet branch channel (13) to form a plurality of water tanks (211) which are consistent in size and are independent of each other, at least one water inlet hole (22) communicated with the water inlet branch channel (13) is arranged in each water tank (211), at least one water outlet hole (23) communicated with the water outlet channel is arranged in each water tank (211), and a plurality of flow disturbing pieces (24) are arranged in each water tank (211).
6. The battery temperature equalization cooling apparatus of claim 5, wherein: the water inlet holes (22) in the water tanks (211) are linearly and equidistantly arranged, and the water outlet holes (23) in the water tanks (211) are linearly and equidistantly arranged.
7. The battery temperature equalization cooling device of claim 5, wherein: the spoiler (24) is in a spoiler (24a) structure, the spoilers (24a) are vertically spaced and staggered in the water tank (211), and the distance between the spoilers (24a) is equal.
8. The battery temperature equalization cooling apparatus of claim 5, wherein: the turbulence piece (24) is turbulence post (24b) structure, and is a plurality of the vertical setting of turbulence post (24b) is cellular vertical setting in basin (211) centre of dead.
9. The battery temperature equalization cooling device of claim 1, wherein: the bottom plate (100) comprises a base plate (110) and a cover plate (120) which are connected with each other, and the water inlet main channel (11), the water outlet main channel (12), the water inlet branch channel (13) and the water outlet branch channel (14) are arranged in the base plate (110); the liquid cooling plate (200) comprises a groove plate (210) with a heat exchange groove (21) formed inside and a heat exchange plate (220) arranged on the top surface of the groove plate (210), and the heat exchange plate (220) is connected with the battery module.
10. A battery module, characterized in that the battery module comprises the battery temperature equalizing and cooling device as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220359572.9U CN216818455U (en) | 2022-02-22 | 2022-02-22 | Battery temperature equalizing cooling device and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220359572.9U CN216818455U (en) | 2022-02-22 | 2022-02-22 | Battery temperature equalizing cooling device and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818455U true CN216818455U (en) | 2022-06-24 |
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ID=82041301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220359572.9U Active CN216818455U (en) | 2022-02-22 | 2022-02-22 | Battery temperature equalizing cooling device and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818455U (en) |
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2022
- 2022-02-22 CN CN202220359572.9U patent/CN216818455U/en active Active
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