CN220021280U - Cooling device, battery pack and terminal equipment - Google Patents
Cooling device, battery pack and terminal equipment Download PDFInfo
- Publication number
- CN220021280U CN220021280U CN202321385123.2U CN202321385123U CN220021280U CN 220021280 U CN220021280 U CN 220021280U CN 202321385123 U CN202321385123 U CN 202321385123U CN 220021280 U CN220021280 U CN 220021280U
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- cooling
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- air
- cooling plate
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- 238000001816 cooling Methods 0.000 title claims abstract description 230
- 239000007788 liquid Substances 0.000 claims abstract description 68
- 239000000110 cooling liquid Substances 0.000 claims abstract description 5
- 238000004891 communication Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 14
- 230000007480 spreading Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process 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
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a cooling device, a battery pack and terminal equipment, wherein the cooling device comprises at least one first cooling plate and at least one second cooling plate, and the first cooling plate and the second cooling plate are arranged in a staggered manner to form a containing space for placing a battery core; the cooling device comprises a first cooling plate and a second cooling plate, wherein a cooling flow channel for accommodating cooling liquid is arranged in the first cooling plate, an air channel for cooling air flow to pass through is arranged in the second cooling plate, and the air channel passes through the cooling flow channel. The contact area between the cooling device and the battery core is increased, the heat dissipation efficiency of the battery is improved, and the cooling mode is diversified by combining air cooling and liquid cooling.
Description
Technical Field
The present utility model relates to the field of battery cooling technologies, and in particular, to a cooling device, a battery pack, and a terminal device.
Background
The chemical reaction of the battery cell in the charge and discharge process can generate heat, so that the temperature inside the battery cell can be increased, and the temperature rise phenomenon is more serious especially under the conditions of high current and high power charge and discharge. And as the temperature of the battery cell increases, the performance of the battery cell is greatly attenuated, and even safety accidents can be caused. In addition, a plurality of battery cells are usually arranged in the battery module, when the heat dissipation condition of a single battery cell is poor, the heat dissipation of other battery cells in the whole battery module can be seriously affected, so that the heat dissipation effect and the heat dissipation efficiency of the battery module are poor, and various performances of the battery module are poor.
In the prior art, the battery module is cooled by arranging the liquid cooling plates on two sides of the battery module, but the contact area between the liquid cooling plates and the battery cells in the battery module is small, the heat dissipation efficiency is lower, and the cooling mode is single.
Disclosure of Invention
Aiming at the problem of low heat dissipation efficiency of the existing cooling device, the utility model provides a cooling device, a battery pack and terminal equipment.
In one aspect, the utility model provides a cooling device, which comprises at least one first cooling plate and at least one second cooling plate, wherein the first cooling plate and the second cooling plate are arranged in a staggered manner to form a containing space for placing a battery cell; the cooling device comprises a first cooling plate and a second cooling plate, wherein a cooling flow channel for accommodating cooling liquid is arranged in the first cooling plate, an air channel for cooling air flow to pass through is arranged in the second cooling plate, and the air channel passes through the cooling flow channel.
In the utility model, the first cooling plate and the second cooling plate form the accommodating space for accommodating the battery cell, so that the battery cell is provided with two surfaces or three surfaces which are abutted with the cooling device, the contact area of the battery cell and the cooling device is obviously increased, and the heat dissipation efficiency of the battery cell is improved. The second cooling plate and the first cooling plate separate the battery cores in different accommodating spaces, so that the battery core is convenient to better prevent heat spreading and is suitable for high-rate charge and discharge batteries. Meanwhile, the accommodating space formed by the first cooling plate and the second cooling plate integrates cooling and fixing functions, so that the battery cell is convenient to fix. Meanwhile, the first cooling plate and the second cooling plate are arranged to form three cooling modes of liquid cooling, air cooling and liquid cooling air cooling, so that the device is suitable for different working conditions. When the discharge is in low-rate discharge, an air cooling mode is adopted. When the high-rate discharge is performed, the air cooling mode and the liquid cooling mode are adopted to work simultaneously, and the high-rate discharge heat dissipation device can be used for high-rate discharge heat dissipation. When the device is in other working conditions, the device can also work in a liquid cooling mode or alternatively work in a liquid cooling mode and an air cooling mode.
Optionally, the first cooling plate and the second cooling plate are respectively provided with a plurality of cooling plates; the first cooling plates extend along a first direction and are arranged at intervals along a second direction, liquid inlets and liquid outlets are formed in the first cooling plates, the liquid inlets are communicated with inlets of the cooling flow channels, and the liquid outlets are communicated with outlets of the cooling flow channels;
the second cooling plates extend along a second direction and are arranged at intervals along the first direction; the air inlet and the air outlet are respectively communicated with the air duct.
Optionally, the liquid inlet and the liquid outlet are respectively arranged at two ends of the first cooling plate, the cooling flow channels are arranged in an S shape, and the air channels are positioned in gaps among the cooling flow channels;
or, the liquid inlet with the liquid outlet set up in first cooling plate one end, the cooling runner includes first cooling runner and second cooling runner, first cooling runner with the second cooling runner is the S-shaped setting, the export of first cooling runner with the entry linkage of second cooling runner.
Optionally, the second cooling plate is disposed perpendicular to the first cooling plate.
On the other hand, the utility model also provides a battery pack, which comprises a box body, a cover plate, a plurality of electric cores and the cooling device, wherein the box body is of a semi-closed structure with one opening, the cover plate is used for closing the opening of the box body, the box body is provided with a liquid inlet pipe and a liquid outlet pipe in a first direction, and the liquid inlet pipe and the liquid outlet pipe are respectively communicated with the cooling flow channel; the box body is provided with an air inlet end and an air outlet end in a second direction, and the air inlet end and the air outlet end are respectively communicated with the air duct; the cooling device is arranged in the box body, a plurality of accommodating cavities are formed between the cooling device and the box body, and the battery cores are arranged in the accommodating cavities in a one-to-one correspondence manner.
In the utility model, the cooling device is arranged in the box body, the cooling device and the box body divide the battery cell into independent spaces, so that the heat spreading can be prevented better, and the cooling device can be used for dissipating heat of the high-rate discharge battery. The box need not to set up other mounting and can realize the fixed of battery, further improves box inner space utilization efficiency, promotes battery capacity density, realizes the battery package lightweight, has integrated level height, radiating efficiency height, internal structure simple compact, safe and reliable's characteristics. Through liquid cooling and forced air cooling combination, realize the cooling mode diversified, be convenient for simultaneously nimble according to operating mode selection cooling mode.
Optionally, two spacing beams are arranged in the box body, the two spacing beams are arranged in the box body along the second direction and are connected with the second cooling plate, and a gap is arranged between one surface of the second cooling plate and the box body by the spacing Liang Beili.
Optionally, the box body comprises two oppositely arranged first side plates and two oppositely arranged second side plates, and the second side plates are connected between the two first side plates; the first side plate is internally provided with a conveying flow passage, the liquid inlet pipe and the liquid outlet pipe are respectively communicated with the conveying flow passage, the conveying flow passage is provided with a plurality of communication ports, and the conveying flow passage is respectively communicated with the cooling flow passage through the communication ports; the air inlet end and the air outlet end are respectively arranged on the second side plate.
Optionally, the pole of the electric core faces the cover plate, and the adjacent two positive pole and negative pole of the electric core are arranged in a dislocation manner.
Optionally, the battery pack further includes a bus bar and a connection harness, and the bus bar and the connection harness are disposed between the battery cell and the cover plate.
On the other hand, the utility model also provides a terminal device, which comprises the battery pack.
Drawings
FIG. 1 is a schematic view of a cooling device according to an embodiment of the present utility model;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic cross-sectional view of a cooling device according to an embodiment of the present utility model;
FIG. 4 is an enlarged schematic view of FIG. 3 at B;
fig. 5 is a schematic structural view of a battery pack according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram of a battery pack according to an embodiment of the present utility model when a battery cell is not placed;
fig. 7 is a schematic top view of a battery pack according to an embodiment of the utility model when no battery cell is placed.
Reference numerals in the drawings of the specification are as follows:
1. a first cooling plate; 11. a cooling flow passage; 11a, a first cooling flow passage; 11b, a second cooling flow passage; 12. a liquid inlet; 13. a liquid outlet;
2. a second cooling plate; 21. an air duct; 22. an air inlet;
3. a battery cell;
4. a case; 41. a liquid inlet pipe; 42. a liquid outlet pipe; 43. an air inlet end; 44. an air outlet end; 45. a receiving chamber; 46. a first side plate; 47. a second side plate;
5. a cover plate;
6. and a limiting beam.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In order to illustrate the technical scheme of the utility model, the following description is made by specific examples.
In one aspect, as shown in fig. 1 to 4, a cooling device 1 according to an embodiment of the present utility model includes at least one first cooling plate 1 and at least one second cooling plate 2, where the first cooling plate 1 and the second cooling plate 2 are staggered to form a receiving space for placing a battery cell 3. The first cooling plate 1 is internally provided with a cooling flow channel 11 for accommodating cooling liquid, the second cooling plate 2 is internally provided with an air channel 21 for cooling air flow to pass through, and the air channel 21 passes through the cooling flow channel 11.
In the embodiment of the utility model, the first cooling plate 1 and the second cooling plate 2 form the accommodating space for accommodating the battery cell 3, so that the battery cell 3 is provided with two surfaces or three surfaces which are abutted with the cooling device, the contact area of the battery cell 3 and the cooling device is obviously increased, and the heat dissipation efficiency of the battery cell 3 is improved. The second cooling plate 2 and the first cooling plate 1 separate the battery cores 3 in different accommodating spaces, so that the heat spreading is prevented conveniently and better, and the battery is suitable for high-rate charge and discharge batteries. Meanwhile, the accommodating space formed by the first cooling plate 1 and the second cooling plate 2 integrates cooling and fixing functions, so that the battery cell 3 can be conveniently fixed. Meanwhile, the first cooling plate 1 and the second cooling plate 2 are arranged to form three cooling modes of liquid cooling, air cooling and liquid cooling air cooling so as to adapt to different working conditions. When the discharge is in low-rate discharge, an air cooling mode is adopted. When the high-rate discharge is performed, the air cooling mode and the liquid cooling mode are adopted to work simultaneously, and the high-rate discharge heat dissipation device can be used for high-rate discharge heat dissipation. When the device is in other working conditions, the device can also work in a liquid cooling mode or alternatively work in a liquid cooling mode and an air cooling mode.
In an alternative embodiment, the first cooling plate 1 is provided with at least one clamping groove (not shown in the figure), and the second cooling plate 2 is arranged in the clamping groove.
As shown in fig. 2, the first cooling plate 1 and the second cooling plate 2 are provided in plurality, respectively. The first cooling plate 1 extends along a first direction and is arranged at intervals along a second direction, the first cooling plate 1 is provided with a liquid inlet 12 and a liquid outlet 13, the liquid inlet 12 is communicated with an inlet of the cooling flow channel 11, and the liquid outlet 13 is communicated with an outlet of the cooling flow channel 11.
The second cooling plates 2 extend in the second direction and are spaced apart in the first direction. The two ends of the second cooling plate 2 are provided with an air inlet 22 and an air outlet (not shown in the figure), and the air inlet 22 and the air outlet are respectively communicated with the air duct 21.
Specifically, the cooling liquid enters the cooling flow channel 11 from the liquid inlet 12, flows out from the liquid outlet 13, and takes away the heat of the battery cell 3. Cold air is blown in from the air inlet 22 through the air conditioner, and the cold air carries heat dissipated by the electric motor 3 and then carries the heat out of the air outlet.
As shown in fig. 3 and fig. 4, in some embodiments of the present utility model, the liquid inlet 12 and the liquid outlet 13 are respectively disposed at two ends of the first cooling plate 1, the cooling flow channels 11 are disposed in an S shape, and the air duct 21 is disposed in a gap between the cooling flow channels 11, so as to avoid interference between air cooling and liquid cooling
Or, the liquid inlet 12 and the liquid outlet 13 are disposed at one end of the first cooling plate 1, specifically, the liquid inlet 12 is disposed at the lower side of the liquid outlet 13, the cooling flow channel 11 includes a first cooling flow channel 11a and a second cooling flow channel 11b, the first cooling flow channel 11a and the second cooling flow channel 11b are disposed in an S-shape, and an outlet of the first cooling flow channel 11a is connected with an inlet of the second cooling flow channel 11 b.
In a specific embodiment, the distance between two adjacent first cooling plates 1 is smaller than the distance between two adjacent second cooling plates 2, so that the side of the maximum area of the battery cell 3 is abutted with the first cooling plates 1, and the heat dissipation efficiency is improved.
In the preferred embodiment, the first cooling flow passage 11a and the second cooling flow passage 11b are symmetrically arranged.
In some embodiments of the present utility model, as shown in fig. 1, the second cooling plate 2 is disposed perpendicular to the first cooling plate 1, so as to facilitate placement of the battery cells 3.
It is explained here that the angle between the first cooling plate 1 and the second cooling plate 2 is adjusted according to the arrangement of the battery cells 3
On the other hand, as shown in fig. 5-7, a battery pack according to an embodiment of the present utility model includes a case 4, a cover 5, a plurality of electric cells 3, and a cooling device according to any one of the foregoing embodiments, where the case 4 is a semi-closed structure with an opening at one end, the cover 5 is used to close the opening of the case 4, the case 4 is provided with a liquid inlet pipe 41 and a liquid outlet pipe 42 in a first direction, and the liquid inlet pipe 41 and the liquid outlet pipe 42 are respectively communicated with the cooling flow channel 11. The box 4 is provided with an air inlet end 43 and an air outlet end 44 in the second direction, and the air inlet end 43 and the air outlet end 44 are respectively communicated with the air duct 21. The cooling device is arranged in the box body 4, a plurality of accommodating cavities 45 are formed between the cooling device and the box body 4, and the battery cores 3 are arranged in the accommodating cavities 45 in a one-to-one correspondence manner.
In the utility model, the cooling device is arranged in the box body 4, the cooling device and the box body 4 divide the battery cell 3 into independent spaces, so that the heat spreading can be prevented better, and the cooling device can be used for dissipating heat of the high-rate discharge battery. The box 4 need not to set up other mounting and can realize the fixed of battery, further improves box 4 inner space utilization efficiency, promotes battery capacity density, realizes the battery package lightweight, has integrated level height, radiating efficiency height, internal structure simple compact, safe and reliable's characteristics. Through liquid cooling and forced air cooling combination, realize the cooling mode diversified, be convenient for simultaneously nimble according to operating mode selection cooling mode.
As shown in fig. 7, in some embodiments of the present utility model, two limiting beams 6 are disposed in the case 4, and the two limiting beams 6 are disposed in the case 4 along the second direction and connected to the second cooling plate 2, and a gap is disposed between a surface of the limiting beam 6 facing away from the second cooling plate 2 and the case 4. Through setting up spacing roof beam 6 to cooling device and be close to electric core 3 that box 4 set up and fix, simultaneously, be provided with the clearance between spacing roof beam 6 and the box 4, be convenient for cold wind get into and flow out box 4.
Specifically, the number of uses of the first cooling plate 1 and the second cooling plate 2 may be selected according to the actual size of the case 4. The first direction is the longitudinal direction of the case 4, and the second direction is the width direction of the case 4.
As shown in fig. 6 and 7, in some embodiments of the present utility model, the case 4 includes two oppositely disposed first side plates 46 and two oppositely disposed second side plates 47, and the second side plates 47 are connected between the two first side plates 46. The first side plate 46 is provided with a conveying runner (not shown in the figure), the liquid inlet pipe 41 and the liquid outlet pipe 42 are respectively communicated with the conveying runner, the conveying runner is provided with a plurality of communication ports (not shown in the figure), and the conveying runner is respectively communicated with the cooling runner 11 through the communication ports. The air inlet end 43 and the air outlet end 44 are respectively disposed on the second side plate 47, specifically, a plurality of ventilation holes distributed according to a preset pattern are disposed on the second side plate 47, so as to form the air inlet end 43 and the air outlet end 44. The arrangement of the conveying flow channel is changed according to the position change of the liquid inlet pipe 41 and the liquid outlet pipe 42
As shown in fig. 5, in some embodiments of the present utility model, the poles of the battery cells 3 face the cover plate 5, and the positive poles and the negative poles of two adjacent battery cells 3 are arranged in a staggered manner, so as to facilitate the series connection of the battery cells 3.
In some embodiments of the present utility model, the battery pack further includes a bus bar (not shown) and a connection harness (not shown), where the bus bar and the connection harness are disposed between the battery cell 3 and the cover plate 5, so as to reduce occupation of a lateral space and improve space utilization of the battery pack.
In another aspect, a terminal device according to an embodiment of the present utility model includes a battery pack according to any one of the embodiments above. Specifically, the terminal device includes an automobile, an unmanned aerial vehicle, a ship, and the like.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced by equivalents. Such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and are intended to be included in the scope of the present utility model.
Claims (10)
1. The cooling device is characterized by comprising at least one first cooling plate and at least one second cooling plate, wherein the first cooling plate and the second cooling plate are arranged in a staggered manner to form a containing space for placing a battery cell; the cooling device comprises a first cooling plate and a second cooling plate, wherein a cooling flow channel for accommodating cooling liquid is arranged in the first cooling plate, an air channel for cooling air flow to pass through is arranged in the second cooling plate, and the air channel passes through the cooling flow channel.
2. The cooling device according to claim 1, wherein the first cooling plate and the second cooling plate are provided with a plurality of cooling plates, respectively; the first cooling plates extend along a first direction and are arranged at intervals along a second direction, liquid inlets and liquid outlets are formed in the first cooling plates, the liquid inlets are communicated with inlets of the cooling flow channels, and the liquid outlets are communicated with outlets of the cooling flow channels;
the second cooling plates extend along a second direction and are arranged at intervals along the first direction; the air inlet and the air outlet are respectively communicated with the air duct.
3. The cooling device according to claim 2, wherein the liquid inlet and the liquid outlet are respectively arranged at two ends of the first cooling plate, the cooling flow channels are arranged in an S shape, and the air channels are positioned in gaps among the cooling flow channels;
or, the liquid inlet with the liquid outlet set up in first cooling plate one end, the cooling runner includes first cooling runner and second cooling runner, first cooling runner with the second cooling runner is the S-shaped setting, the export of first cooling runner with the entry linkage of second cooling runner.
4. The cooling device of claim 2, wherein the second cooling plate is disposed perpendicular to the first cooling plate.
5. A battery pack, which is characterized by comprising a box body, a cover plate, a plurality of electric cores and at least one cooling device as claimed in any one of claims 1-4, wherein the box body is of a semi-closed structure with one opening, the cover plate is used for closing the opening of the box body, the box body is provided with a liquid inlet pipe and a liquid outlet pipe in a first direction, and the liquid inlet pipe and the liquid outlet pipe are respectively communicated with the cooling flow channel; the box body is provided with an air inlet end and an air outlet end in a second direction, and the air inlet end and the air outlet end are respectively communicated with the air duct; the cooling device is arranged in the box body, a plurality of accommodating cavities are formed between the cooling device and the box body, and the battery cores are arranged in the accommodating cavities in a one-to-one correspondence manner.
6. The battery pack according to claim 5, wherein two limiting beams are disposed in the case in a second direction and connected to the second cooling plate, and a gap is disposed between one surface of the second cooling plate and the case in the limiting Liang Beili.
7. The battery pack of claim 5, wherein the case includes two oppositely disposed first side plates and two oppositely disposed second side plates connected between the two first side plates; the first side plate is internally provided with a conveying flow passage, the liquid inlet pipe and the liquid outlet pipe are respectively communicated with the conveying flow passage, the conveying flow passage is provided with a plurality of communication ports, and the conveying flow passage is respectively communicated with the cooling flow passage through the communication ports; the air inlet end and the air outlet end are respectively arranged on the second side plate.
8. The battery pack according to claim 5, wherein the poles of the cells face the cover plate, and the positive poles and the negative poles of the adjacent two cells are arranged in a staggered manner.
9. The battery pack of claim 5, further comprising a buss bar and a connection harness disposed between the cells and the cover plate.
10. A terminal device comprising a battery pack according to any one of claims 5-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385123.2U CN220021280U (en) | 2023-05-31 | 2023-05-31 | Cooling device, battery pack and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321385123.2U CN220021280U (en) | 2023-05-31 | 2023-05-31 | Cooling device, battery pack and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220021280U true CN220021280U (en) | 2023-11-14 |
Family
ID=88672011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321385123.2U Active CN220021280U (en) | 2023-05-31 | 2023-05-31 | Cooling device, battery pack and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220021280U (en) |
-
2023
- 2023-05-31 CN CN202321385123.2U patent/CN220021280U/en active Active
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