CN220420613U - Battery thermal management system, energy storage system and electricity utilization device - Google Patents
Battery thermal management system, energy storage system and electricity utilization device Download PDFInfo
- Publication number
- CN220420613U CN220420613U CN202320138705.4U CN202320138705U CN220420613U CN 220420613 U CN220420613 U CN 220420613U CN 202320138705 U CN202320138705 U CN 202320138705U CN 220420613 U CN220420613 U CN 220420613U
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- heat dissipation
- battery
- management system
- thermal management
- flow channel
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- 238000004146 energy storage Methods 0.000 title claims abstract description 10
- 230000005611 electricity Effects 0.000 title description 2
- 230000017525 heat dissipation Effects 0.000 claims abstract description 109
- 239000007788 liquid Substances 0.000 claims description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000004378 air conditioning Methods 0.000 claims description 14
- 239000000110 cooling liquid Substances 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 10
- 239000003507 refrigerant Substances 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction 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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Abstract
The utility model discloses a battery thermal management system, a thermal management system, an energy storage system and an electric device, which comprises: the battery rack is provided with a plurality of accommodating spaces at intervals in the height direction; the battery modules are respectively arranged in the accommodating spaces; the heat dissipation module is pressed from both sides respectively and establishes between two adjacent battery module, and the heat dissipation module includes: the heat dissipation runner, the first flow valve and the temperature sensor are arranged below the battery module in a reciprocating mode, and the first flow valve and the temperature sensor are arranged at one end of the heat dissipation runner. The heat dissipation flow channel is arranged in a reciprocating and circulating mode, so that heat released by the battery modules can be taken away completely by the heat dissipation flow channel, the opening of the first flow valve is regulated and controlled by a feedback and control system of the temperature sensor, the flow of refrigerants among the heat dissipation modules can be controlled in real time, and the heat dissipation uniformity of each battery module on the battery frame is guaranteed.
Description
Technical Field
The utility model relates to the technical field of battery heat dissipation, in particular to a battery heat management system, a heat management system, an energy storage system and an electric device.
Background
The new energy battery can lose a part of energy during the charging and discharging process, and the part of energy is finally converted into heat to be dissipated. In order to ensure continuous and efficient operation of the battery, heat generated by the battery itself needs to be quickly transferred through a certain technical means. Liquid cooling is one of the common heat dissipation modes in the energy storage industry, namely, a method for reducing the temperature of a battery by flowing liquid to the surface of the battery through an air conditioner, a water pump and a plate heat exchanger.
And, the cells are typically placed in a battery box in units of modules. The cell and the wall surface of the battery box have a gap, and the gap is a heat dissipation pipeline. The heat dissipation process of the battery is realized by flowing the refrigerant along a certain direction, taking away the heat around the battery and reducing the surface temperature of the battery.
In the related art, the heat dissipation pipeline of the battery system cannot achieve uniform flow, heat dissipation is uneven, the heat dissipation effect of a local battery is possibly poor, the service life consistency of the battery core of the whole battery cabinet is affected, and because of an interlayer structure between liquid pipelines, the liquid inflow temperature and the outflow temperature of each layer of battery core have larger difference, so that the local temperature difference of the battery core is large, and uniform cooling cannot be achieved.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a battery thermal management system, wherein the heat dissipation flow channel is arranged in a reciprocating cycle mode, namely, the heat dissipation flow channel and the battery module are large in corresponding area, so that the heat dissipation flow channel can be guaranteed to completely take away the heat released by the battery module.
The utility model also provides a thermal management system.
The utility model further provides an energy storage system.
The utility model further provides an electric device.
A battery thermal management system according to an embodiment of the first aspect of the present utility model includes: the battery rack is provided with a plurality of accommodating spaces at intervals in the height direction; the battery modules are respectively arranged in the accommodating spaces; the heat dissipation module is arranged between two adjacent battery modules in a clamping mode respectively, and comprises: the battery module comprises a heat dissipation flow channel, a first flow valve and a temperature sensor, wherein the heat dissipation flow channel is arranged below the battery module and is arranged in a reciprocating mode, the first flow valve and the temperature sensor are arranged at one end of the heat dissipation flow channel, the temperature sensor is used for detecting the temperature of cooling liquid in the heat dissipation flow channel, and the first flow valve is used for controlling the opening of the heat dissipation flow channel.
According to the battery thermal management system provided by the embodiment of the utility model, the heat dissipation flow channels are arranged in a reciprocating and circulating way, namely, the corresponding areas of the heat dissipation flow channels and the battery module are large, so that the heat dissipation flow channels can be ensured to completely take away the heat released by the battery module. And one end of the heat dissipation flow channel is also provided with a first flow valve and a temperature sensor, the opening of the first flow valve is regulated and controlled by utilizing the feedback and control system of the temperature sensor, the refrigerant flow among all the heat dissipation modules can be controlled in real time, and the heat dissipation uniformity of each battery module on the battery frame is ensured.
According to some embodiments of the utility model, the heat dissipation runner comprises a plurality of sub-channels arranged at intervals, a partition plate is arranged between two adjacent sub-channels, and one end of the partition plate is provided with a first diversion cambered surface.
According to some embodiments of the utility model, the heat dissipation runner is provided with a second diversion cambered surface, and the second diversion cambered surface and the first diversion cambered surface are oppositely arranged.
According to some embodiments of the utility model, the heat dissipation module further comprises: and the second flow valve is arranged at the other end of the heat dissipation flow channel.
According to some embodiments of the utility model, the battery thermal management system further comprises: the liquid inlet flow channel is connected with one ends of the plurality of heat dissipation flow channels, and the liquid outlet flow channel is connected with the other ends of the plurality of heat dissipation flow channels.
According to some embodiments of the utility model, the number of the battery frames is two, the two battery frames are arranged in parallel, one of the liquid inlet flow channel and the liquid outlet flow channel is clamped between the two battery frames, and the other one of the liquid inlet flow channel and the liquid outlet flow channel is respectively arranged at one side of the two battery frames, which is away from each other.
A thermal management system according to an embodiment of the second aspect of the present utility model comprises: the heat exchanger comprises a battery thermal management system, an air conditioning system and a heat exchanger, wherein two sides of the heat exchanger are respectively connected with the air conditioning system and the battery thermal management system, so that heat exchange between the air conditioning system and the heat dissipation module is realized.
According to some embodiments of the utility model, the thermal management system further comprises: and the water pump is connected between the heat exchanger and the battery thermal management system.
An energy storage system according to an embodiment of the third aspect of the present utility model includes: the thermal management system.
An electric device according to an embodiment of the fourth aspect of the present utility model includes: the thermal management system.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a simplified schematic diagram of a thermal management system according to an embodiment of the present utility model;
fig. 2 is a schematic configuration view of a battery thermal management system according to an embodiment of the present utility model;
fig. 3 is a cross-sectional view of a heat dissipating module according to an embodiment of the present utility model.
Reference numerals:
1000. a thermal management system;
100. a battery thermal management system;
10. a battery module;
20. a heat dissipation module; 21. a heat dissipation flow channel; 211. a sub-waterway; 212. a partition plate; 213. a first diversion cambered surface; 214. a second diversion cambered surface; 22. a first flow valve; 23. a temperature sensor; 24. a second flow valve; 25. a liquid inlet flow channel; 26. a liquid outlet channel;
200. an air conditioning system; 300. a heat exchanger; 400. and (3) a water pump.
Detailed Description
Embodiments of the present utility model will be described in detail below, by way of example with reference to the accompanying drawings.
The following describes a battery thermal management system 100 according to an embodiment of the present utility model with reference to fig. 1 to 3, and the present utility model further provides a thermal management system 1000 having the battery thermal management system 100, and further provides an electrical device having the thermal management system 1000.
Referring to fig. 2 and 3, a battery thermal management system 100 according to an embodiment of the present utility model includes: the battery frame, a plurality of battery modules 10 and a plurality of heat dissipation module 20, battery frame is provided with a plurality of accommodation spaces in the interval in the direction of height, and a plurality of battery modules 10 set up respectively in a plurality of accommodation spaces, and a plurality of heat dissipation module 20 presss from both sides respectively between two adjacent battery modules 10. That is, the heat dissipation module 20 is disposed between two adjacent battery modules 10, so that heat dissipation can be performed on the battery modules 10 on the upper and lower sides of the heat dissipation module 20 through the heat dissipation module 20, that is, the upper surface and the lower surface of the battery modules 10 are both provided with the heat dissipation module 20, thereby making heat dissipation of the battery modules 10 more uniform. Specifically, when the battery temperature is too high, the coolant is circulated through the plurality of heat dissipation modules 20, thereby taking heat away from the battery modules 10.
As shown in fig. 2 and 3, the heat dissipation module 20 includes: the heat dissipation runner 21, the first flow valve 22 and the temperature sensor 23, the heat dissipation runner 21 sets up in the below of battery module 10 and reciprocal setting, and first flow valve 22 and temperature sensor 23 set up in the one end of heat dissipation runner 21, and temperature sensor 23 is used for detecting the coolant temperature in the heat dissipation runner 21, and first flow valve 22 is used for controlling the aperture of heat dissipation runner 21. Thus, the heat dissipation runner 21 is arranged in a reciprocating cycle manner, that is, the heat dissipation runner 21 and the battery module 10 have large corresponding areas, and the heat dissipation runner 21 and the battery module 10 are in complete close contact, so that the heat dissipation runner 21 can completely take away the heat released by the battery module 10, the heat exchange time can be prolonged, and the heat exchange efficiency is greatly improved.
And, one end of the heat dissipation runner 21 is also provided with a first flow valve 22 and a temperature sensor 23, and the opening of the first flow valve 22 is regulated and controlled by a feedback and control system of the temperature sensor 23, so that the refrigerant flow among the heat dissipation modules 20 can be controlled in real time, and the heat dissipation uniformity of each battery module 10 on the battery rack is ensured.
Therefore, the heat dissipation flow channel 21 is arranged in a reciprocating cycle manner, that is, the corresponding areas of the heat dissipation flow channel 21 and the battery module 10 are large, so that the heat dissipation flow channel 21 can take away all heat released by the battery module 10. And, one end of the heat dissipation runner 21 is also provided with a first flow valve 22 and a temperature sensor 23, and the opening of the first flow valve 22 is regulated and controlled by a feedback and control system of the temperature sensor 23, so that the refrigerant flow among the heat dissipation modules 20 can be controlled in real time, and the heat dissipation uniformity of each battery module 10 on the battery rack is ensured.
As shown in fig. 3, the heat dissipation runner 21 includes a plurality of sub-channels 211 disposed at intervals, a partition 212 is disposed between two adjacent sub-channels 211, and a first diversion cambered surface 213 is disposed at one end of the partition 212. That is, the heat dissipation flow path 21 is provided as the plurality of sub-water passages 211, and the separator 212 is provided between the adjacent two sub-water passages 211, so that the contact area between the heat dissipation flow path 21 and the battery module 10 can be increased through the separator 212 and the plurality of sub-water passages 211, thereby improving the heat dissipation efficiency between the heat dissipation flow path 21 and the battery module 10, and thus effectively absorbing the heat of the battery module 10. And, the heat dissipation runner 21 is sandwiched between two battery modules 10, and the partition 212 is provided, so that the contact area is increased when the cooling liquid flows through the heat dissipation runner 21, the path through which the cooling liquid flows is prolonged by using the partition 212, the heat exchange efficiency is improved, and the temperature difference between the single-layer battery modules 10 is reduced, so that uniform cooling is realized.
And, a first diversion cambered surface 213 is disposed at one end of the partition 212, so that the flow resistance of the cooling liquid in the heat dissipation flow channel 21 can be reduced through the first diversion cambered surface 213, the heat exchange efficiency is improved, and the noise generated by the flow of the cooling liquid in the heat dissipation flow channel 21 can be reduced.
Referring to fig. 3, a second diversion cambered surface 214 is disposed on the heat dissipation flow channel 21, and the second diversion cambered surface 214 and the first diversion cambered surface 213 are disposed opposite to each other. Similarly, the second diversion cambered surface 214 is arranged on the heat dissipation flow channel 21, and the second diversion cambered surface 214 and the first diversion cambered surface 213 are mutually corresponding, so that the second diversion cambered surface 214 and the first diversion cambered surface 213 are mutually matched, the flow resistance of the cooling liquid in the heat dissipation flow channel 21 can be reduced through the first diversion cambered surface 213 and the second diversion cambered surface 214, the heat exchange efficiency is improved, and meanwhile, the noise generated by the flow of the cooling liquid in the heat dissipation flow channel 21 can be reduced.
And, as shown in fig. 3, the heat dissipation module 20 further includes: the second flow valve 24, the second flow valve 24 is disposed at the other end of the heat dissipation flow path 21. In this way, the second flow valve 24 is provided at the other end of the heat dissipation flow path 21, so that the closing and opening of the outlet end of the heat dissipation flow path 21 can be controlled by the second flow valve 24. In this way, through the mutual matching of the first flow valve 22 and the second flow valve 24, the heat dissipation flow channel 21 can be disconnected from the outside, so that the cell module is convenient to overhaul and maintain.
As shown with reference to fig. 2, the battery thermal management system 100 further includes: the liquid inlet flow channel 25 and the liquid outlet flow channel 26, the liquid inlet flow channel 25 is connected with one ends of the plurality of heat dissipation flow channels 21, and the liquid outlet flow channel 26 is connected with the other ends of the plurality of heat dissipation flow channels 21. That is, the liquid inlet flow channel 25 and the liquid outlet flow channel 26 may be connected to two ends of the plurality of heat dissipation flow channels 21, that is, the cooling liquid enters the liquid inlet flow channel 25, and the cooling liquid may enter the different heat dissipation flow channels 21 through the liquid inlet flow channel 25, so that the plurality of heat dissipation flow channels 21 and the one liquid inlet flow channel 25 may be communicated. Similarly, the cooling liquid flows out of the plurality of heat dissipation flow channels 21, then is converged into the liquid outlet flow channel 26, and finally flows out to the water pump 400. Thus, the inflow and outflow of the plurality of heat dissipation runners 21 can be realized through one liquid inlet runner 25 and one liquid outlet runner 26, so that the space occupation of the heat dissipation system can be effectively reduced.
The two battery frames may be arranged in parallel, one of the liquid inlet channel 25 and the liquid outlet channel 26 is clamped between the two battery frames, and the other one of the liquid inlet channel 25 and the liquid outlet channel 26 is respectively arranged at one side of the two battery frames, which is away from each other. That is, when there are two battery racks, one liquid inlet channel 25 or one liquid outlet channel 26 may be disposed between the two battery racks, that is, the two battery racks may share one liquid inlet channel 25 or one liquid outlet channel 26, thereby further reducing the space occupation of the battery thermal management system 100. Similarly, when the number of the battery frames is three, one of the liquid inlet channel 25 and the liquid outlet channel 26 is arranged between two adjacent battery frames.
The thermal management system 1000 of the embodiment of the second aspect of the present utility model includes: the battery thermal management system 100, the air conditioning system 200 and the heat exchanger 300, wherein both sides of the heat exchanger 300 are respectively connected with the air conditioning system 200 and the battery thermal management system 100, so as to realize heat exchange between the air conditioning system 200 and the heat dissipation module 20. The air conditioning system 200 exchanges heat with the heat exchanger 300 through the heat exchanger 300, that is, the battery thermal management system 100 can exchange heat with the air conditioning system 200 through the heat exchanger 300, that is, when the battery module 10 needs to be cooled, the air conditioning system 200 is turned on, and both the water path of the air conditioning system 200 and the water path of the battery thermal management system 100 flow through the heat exchanger 300, so that the battery module 10 can be cooled.
The heat exchanger 300 is a plate heat exchanger 300, and the plate heat exchanger 300 has the characteristics of high heat exchange efficiency, small heat loss, compact and light structure, small occupied area, wide application, long service life and the like. Under the same pressure loss, the heat transfer coefficient is 3-5 times higher than that of the tubular heat exchanger 300, the occupied area is one third of that of the tubular heat exchanger 300, and the heat recovery rate can be up to more than 90%.
And, the thermal management system 1000 further includes: water pump 400, water pump 400 is connected between heat exchanger 300 and battery thermal management system 100. That is, the water pump 400 may increase the flow rate of the cooling liquid in the battery thermal management system 100, so that the cooling liquid may not affect the heating of the passenger compartment and the heating of the battery module 10 while flowing to the battery module 10 and the heat exchanger 300.
An energy storage system according to an embodiment of the third aspect of the present utility model includes: thermal management system 1000.
An electrical device according to an embodiment of the third aspect of the present utility model includes: thermal management system 1000.
That is, the thermal management system 1000 of the embodiment of the present utility model may be applied to an energy storage system or an electric device.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A battery thermal management system (100), comprising:
the battery rack is provided with a plurality of accommodating spaces at intervals in the height direction;
a plurality of battery modules (10), wherein the battery modules (10) are respectively arranged in the accommodating spaces;
a plurality of heat dissipation module (20), a plurality of heat dissipation module (20) respectively press from both sides and establish between two adjacent battery module (10), heat dissipation module (20) include: the battery module comprises a heat dissipation flow channel (21), a first flow valve (22) and a temperature sensor (23), wherein the heat dissipation flow channel (21) is arranged below the battery module (10) and is arranged in a reciprocating mode, the first flow valve (22) and the temperature sensor (23) are arranged at one end of the heat dissipation flow channel (21), the temperature sensor (23) is used for detecting the temperature of cooling liquid in the heat dissipation flow channel (21), and the first flow valve (22) is used for controlling the opening of the heat dissipation flow channel (21).
2. The battery thermal management system (100) according to claim 1, wherein the heat dissipation runner (21) comprises a plurality of sub-water channels (211) arranged at intervals, a partition plate (212) is arranged between two adjacent sub-water channels (211), and a first diversion cambered surface (213) is arranged at one end of the partition plate (212).
3. The battery thermal management system (100) according to claim 2, wherein a second diversion cambered surface (214) is provided on the heat dissipation flow channel (21), and the second diversion cambered surface (214) and the first diversion cambered surface (213) are oppositely arranged.
4. The battery thermal management system (100) of claim 1, wherein the heat dissipation module (20) further comprises: and a second flow valve (24), wherein the second flow valve (24) is arranged at the other end of the heat dissipation flow channel (21).
5. The battery thermal management system (100) of claim 1, further comprising: the liquid inlet flow channel (25) and the liquid outlet flow channel (26), the liquid inlet flow channel (25) is connected with one ends of a plurality of the heat dissipation flow channels (21), and the liquid outlet flow channel (26) is connected with the other ends of a plurality of the heat dissipation flow channels (21).
6. The battery thermal management system (100) according to claim 5, wherein two battery frames are arranged in parallel, one of the liquid inlet flow channel (25) and the liquid outlet flow channel (26) is arranged between the two battery frames in a clamped mode, and the other one of the liquid inlet flow channel (25) and the liquid outlet flow channel (26) is arranged on one side, away from each other, of the two battery frames.
7. A thermal management system (1000), comprising:
the battery thermal management system (100) of any of claims 1-6;
an air conditioning system (200);
and the two sides of the heat exchanger (300) are respectively connected with the air conditioning system (200) and the battery thermal management system (100) so as to realize heat exchange between the air conditioning system (200) and the heat dissipation module (20).
8. The thermal management system (1000) of claim 7, further comprising: -a water pump (400), the water pump (400) being connected between the heat exchanger (300) and the battery thermal management system (100).
9. An energy storage system, comprising: the thermal management system (1000) of any of claims 7-8.
10. An electrical device, comprising: the thermal management system (1000) of any of claims 7-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138705.4U CN220420613U (en) | 2023-01-13 | 2023-01-13 | Battery thermal management system, energy storage system and electricity utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320138705.4U CN220420613U (en) | 2023-01-13 | 2023-01-13 | Battery thermal management system, energy storage system and electricity utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220420613U true CN220420613U (en) | 2024-01-30 |
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ID=89642296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320138705.4U Active CN220420613U (en) | 2023-01-13 | 2023-01-13 | Battery thermal management system, energy storage system and electricity utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220420613U (en) |
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2023
- 2023-01-13 CN CN202320138705.4U patent/CN220420613U/en active Active
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