CN220086171U - Liquid cooling battery rack and battery package - Google Patents
Liquid cooling battery rack and battery package Download PDFInfo
- Publication number
- CN220086171U CN220086171U CN202321496863.3U CN202321496863U CN220086171U CN 220086171 U CN220086171 U CN 220086171U CN 202321496863 U CN202321496863 U CN 202321496863U CN 220086171 U CN220086171 U CN 220086171U
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- battery
- liquid
- cooling
- end plate
- compartment
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- 238000001816 cooling Methods 0.000 title claims abstract description 101
- 239000007788 liquid Substances 0.000 title claims abstract description 95
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000002826 coolant Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 claims 2
- 239000000110 cooling liquid Substances 0.000 abstract description 24
- 238000005192 partition Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Classifications
-
- 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 relates to the technical field of batteries, and provides a liquid cooling battery rack and a battery pack, which comprise a plurality of battery bins, wherein the battery bins are used for accommodating batteries, at least two adjacent battery bins form a cooling bin, each cooling bin is arranged in a closed manner, and a diversion channel is arranged between the adjacent battery bins in the cooling bin, so that cooling liquid between the adjacent battery bins can circulate mutually. The cooling liquid is led to each battery compartment, and uniform and efficient cooling is realized through a submerged mode.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a liquid cooling battery rack and a battery pack.
Background
In the energy storage system, the battery generates a large amount of heat during operation, and effective cooling of the battery is required to ensure the safety of the system and the service life of the battery. Compared with air cooling, the liquid cooling mode has higher heat dissipation efficiency. At present, the laminate of the battery bracket is set to be a cooling mode of a liquid cooling plate in the prior art, but the laminate is only subjected to bottom contact heat exchange, so that the defects of uneven cooling and low efficiency exist.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the liquid cooling battery rack and the battery pack, which fully utilize the structure of the battery rack, fully circulate cooling liquid in a battery compartment and realize uniform and efficient cooling in an immersed mode.
The utility model provides a liquid cooling battery rack, which comprises a plurality of battery bins, wherein the battery bins are used for accommodating batteries, at least two adjacent battery bins form a cooling bin, each cooling bin is arranged in a closed mode, and a diversion channel is arranged between the adjacent battery bins in the cooling bin, so that cooling liquid between the adjacent battery bins can circulate mutually.
Preferably, all the diversion channels are arranged at the same side position of the cooling bin, or adjacent diversion channels are arranged at different side positions of the cooling bin.
Preferably, each cooling bin is provided with a pair of liquid inlet and liquid outlet, and the liquid inlet and the liquid outlet are respectively arranged on different battery bins.
Preferably, the liquid cooling battery rack comprises a guide plate arranged in a battery compartment, and the size of the guide plate is smaller than that of the battery compartment so as to form the guide channel;
in the first direction of the cooling bin, the liquid inlet and the liquid outlet are arranged on two sides of the guide plate; and/or that the number of the groups of groups,
in the second direction of the cooling bin, the liquid inlet, the guide plate and the liquid outlet are sequentially arranged;
wherein the first direction is perpendicular to the second direction.
Preferably, the cooling bin is composed of vertically adjacent battery bins, the liquid outlet is arranged on the battery bin at the top of the cooling bin, and the liquid inlet is arranged on the battery bin at the bottom of the cooling bin.
Preferably, the liquid cooling battery rack further comprises a front end plate, a rear end plate, two side plates and a plurality of partition plates, wherein the front end plate, the rear end plate and the two side plates enclose to form a frame structure, and the partition plates are arranged in the frame structure and separate the frame structure to form a plurality of battery bins arranged in an array.
Preferably, the liquid inlet and the liquid outlet are arranged on the front end plate, the rear end plate or the side plate, or one of the liquid inlet and the liquid outlet is arranged on the front end plate, and the other is arranged on the rear end plate.
Preferably, the front end plate is provided with a movable bin gate for the battery pack to pass through;
reinforcing ribs are arranged on the rear end plate and the side plates.
Preferably, the lifting frame further comprises a bearing support, wherein the bearing support is arranged around the frame structure, and lifting lugs are arranged on the bearing support.
The utility model also provides a battery pack, which comprises the liquid cooling battery rack.
Adopt above-mentioned liquid cooling battery frame and battery package, liquid cooling battery frame includes a plurality of battery compartment, the battery compartment is used for placing the battery, and a cooling storehouse is constituteed to two at least adjacent battery compartments, each the cooling storehouse seals the setting, and is in inside the cooling storehouse, adjacent set up the water conservancy diversion passageway between the battery compartment for adjacent coolant liquid between the battery compartment can circulate each other. Therefore, the cooling liquid can be fully circulated in different battery bins, and uniform and efficient cooling can be realized in an immersed mode. In addition, the cooling bin that seals the setting is as the independent unit of cooling, avoids influencing the battery in other cooling bins after taking place thermal runaway between the cooling bin, improves the security of battery package.
Drawings
FIG. 1 is a schematic diagram of a liquid-cooled battery rack according to a first embodiment of the present utility model;
FIG. 2 is a top view of a liquid cooled battery rack according to a first embodiment of the utility model;
FIG. 3 is a top view of a liquid cooled battery rack according to a second embodiment of the present utility model;
fig. 4 is a side view of a liquid cooled battery rack according to a third embodiment of the utility model.
Reference numerals illustrate:
the liquid cooling battery rack 100, the bearing bracket 11, the front end plate 21, the rear end plate 22, the two side plates 23, the partition plates 24, the frame structure 200, the square opening 34, the bolt holes 35, the battery compartment 3, the reinforcing ribs 5, the high-pressure tank 7, the high-pressure tank bottom plate 71, the cooling compartment 4, the flow guide channel 32, the flow guide plate 34, the liquid inlet 31 and the liquid outlet 33.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present utility model fall within the protection scope of the present utility model.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. Words such as "upper", "lower", "front", "rear", and the like merely denote relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationship is changed accordingly.
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.
Referring to fig. 1, fig. 1 is a schematic diagram of a liquid-cooled battery rack according to the present utility model. As shown in fig. 1, the liquid-cooled battery rack 100 includes a load-bearing bracket 11, a front end plate 21, a rear end plate 22, two side plates 23, and a plurality of separators 24. The front end plate 21, the rear end plate 22 and the two side plates 23 enclose a frame structure 200, and the partition plates 24 are disposed in the frame structure 200 and separate the frame structure 200 to form a plurality of battery compartments 3 arranged in an array, and the battery compartments 3 are used for placing batteries. As shown in fig. 1, the separator 24 separates the frame structure 200 and forms a total of 32 battery bins 3 in an array arrangement of 8 layers, 4 columns. The bearing bracket 11 is disposed around the frame structure 200, and lifting lugs (not shown) are disposed on the bearing bracket 11, so as to perform a lifting function.
Wherein, front end plate 21, back end plate 22 and two curb plates 23 all adopt monoblock steel sheet to make, have saved the welding process, reduce the welding seam and reduce possible leakage point. The front end plate 21, the rear end plate 22, the side plates 23 and the partition plates 24 are welded to form a frame structure 200 of the case, and various openings or apertures of the case are further sealed by sealing plates. And then, injecting gas, pressing positive pressure, and vacuumizing to test the air tightness and mechanical strength of the box body, so as to ensure no liquid seepage.
A square opening 34 through which the power supply passes is provided in the front end plate 21, and a movable door (not shown) for covering the square opening 34 is also provided. Bolt holes 35 are formed in four corners of the square opening 34, and are used for fastening bolts after the movable bin gate covers are closed, so that the tightness of the battery bin 3 is kept. The connection mode of the movable door and the front end plate 21 of the battery compartment 3 is not limited to the bolt connection, and other movable connection modes capable of realizing the opening and locking of the movable door are all within the scope of the utility model, such as the connection of a hinge and a lock catch.
The rear end plate 22 and the side plates 23 are provided with reinforcing ribs 5. And plays a role in strengthening and supporting.
The bearing brackets 11 are arranged around the frame structure 200, and mainly play a role of bearing and framework.
The lowest part of the liquid cooling battery rack can be provided with a matched high-voltage box 7, which is specifically composed of a high-voltage box bottom plate 71 and a partition plate 24 and is used for placing relevant power lines, communication lines and the like matched with the battery rack.
In this embodiment, at least two adjacent battery bins 3 form a cooling bin 4, each cooling bin 4 is closed, and a diversion channel 32 is disposed between adjacent battery bins 3 inside the cooling bin 4, so that cooling liquid between adjacent battery bins 3 can circulate mutually. Therefore, the cooling liquid can fully circulate in different battery bins 3, and uniform and efficient cooling can be realized through a submerged mode. In addition, the cooling bins 4 arranged in a closed mode are used as independent units for cooling, so that the batteries in other cooling bins are prevented from being influenced after thermal runaway occurs between the cooling bins 4, and the safety of the battery pack is improved.
Wherein, the liquid cooling battery rack 100 comprises a flow guide plate 34 arranged in the battery compartment 3, and the size of the flow guide plate 34 is smaller than that of the battery compartment 3 so as to form the flow guide channel 32. As shown in fig. 2, in a first direction, the length of the baffle 34 is less than the width of the battery compartment 3, the battery compartment 3 being separated by the baffle 34 and the partition 24, a baffle channel 32 being formed between the baffle 34 and a side wall of the battery compartment 3, such as the baffle 34 and the rear end plate 22 of fig. 2.
In the different cooling compartments 4, the guide channels 32 are arranged at the same side position. Specifically, as shown in fig. 2, the baffle plates 34 of the different cooling compartments 4 are each connected to the front end plate 21 and form the baffle channels 32 with the rear end plate 22 in the first direction, that is, in the different cooling compartments 4, the baffle channels 32 are each provided between the baffle plates 34 and the rear end plate 22, so that in the different cooling compartments 4, the baffle channels 32 are provided at the same side position.
Each cooling bin 4 is correspondingly provided with a pair of liquid inlet 31 and liquid outlet 33, and the liquid inlet 31 and the liquid outlet 33 are respectively arranged on different battery bins 3. In the present embodiment, as shown in fig. 2, two battery compartments 3 form one cooling compartment 4, and a liquid inlet 31 and a liquid outlet 33 are provided on different battery compartments 3 in each cooling compartment 4, respectively. And in particular may be provided on the corresponding front end plate 21 of the battery compartment 3. Of course, it may be provided on the corresponding rear end plate 22 of the battery compartment 3.
In this embodiment, the liquid inlet 31 and the liquid outlet 33 are disposed at the same side of the baffle 34. In the second direction of the cooling chamber 4, the liquid inlet 3131, the baffle 34, and the liquid outlet 33 are arranged in this order. Wherein the first direction is perpendicular to the second direction.
The liquid inlet 31 and the liquid outlet 33 are quick-plugging water nozzles, and when the connecting pipeline of the external circulation loop is connected or disconnected with the cooling liquid, the cooling liquid in the battery bin 3 cannot leak in the plugging process.
In use, the compartment door 30 of each battery compartment 3 is first opened, the battery is mounted in the battery compartment 3 through the square opening 34, and the compartment door 30 is covered and fastened. The insulating cooling liquid is injected into the corresponding battery bin 3 from the external circulation loop through the liquid inlet 31 of the battery bin 301, enters the adjacent battery bin 3 through the flow guide channel 32, and finally returns to the external circulation loop from the liquid outlet 33, so that the cooling liquid is circulated.
In the vertical direction, the liquid drain port 33 may be disposed at the upper portion of the battery compartment 3, so as to smoothly drain the air in each battery compartment 3 in the cooling compartment 4 when the cooling liquid is injected for the first time, thereby ensuring that the cooling liquid fully fills the battery compartment 3 and completely submerges the battery pack in the battery compartment 3.
As shown in fig. 2, the liquid inlet 31 and the liquid outlet 33 are arranged on the front end plate 21 of the battery compartment 3, the flow guide channel 32 is arranged between the flow guide plate 34 and the rear end plate 22, that is, the liquid inlet 31 and the liquid outlet 33 are arranged across the flow guide channel 32, so as to form a cooling liquid flow path from front to back or from back to front in each battery compartment 3 of the cooling compartment 4, and the cooling liquid flow path can completely cover the immersed battery therein, thereby ensuring that the cooling liquid and the battery can perform sufficient heat exchange and realizing effective cooling of the battery pack.
Referring to fig. 3, fig. 3 is a top view of a liquid-cooled battery rack according to a second embodiment of the utility model. In this embodiment, one cooling compartment 4 is formed every 3 battery compartments 3. In each cooling compartment 4, one of the liquid inlet 31 and the liquid outlet 33 is provided on the front end plate 21, and the other is provided on the rear end plate 22. As shown in fig. 3, the liquid inlet 31 is provided in the front end plate 21, and the liquid outlet 33 is provided in the rear end plate 22. So that the liquid inlet 31 and the liquid outlet 33 are arranged at two sides of the guide plate 34 in the first direction of the cooling bin 4. Further, in each cooling compartment 4, the liquid inlet 31 is disposed at the position of the first battery compartment 3, and the liquid outlet 33 is disposed at the position of the 3 rd battery compartment 3, so as to facilitate the discharge of air in the battery compartment 3.
In this embodiment, adjacent diversion channels 32 are disposed at different side positions. Specifically, in the same cooling bin 4, one of the adjacent guide plates 34 forms a guide passage 32 with the front end plate 21, and the other forms a guide passage 32 with the rear end plate 22, so that the guide passages 32 adjacent to each other are disposed at different side positions of the cooling bin 4. Thereby, the flow of the cooling liquid from the front end plate 21 to the rear end plate 22 of the battery compartment 3 and the flow of the cooling liquid from the rear end plate 22 to the front end plate 21 can be ensured, the flowing path of the cooling liquid completely covers the battery, and the cooling liquid efficiency and the temperature control are improved.
It should be understood that the solution of providing different side diversion passages 32, at least two diversion plates 34 are provided inside the corresponding cooling bin 4 to form at least 3 battery bins 3, and in this embodiment, the case of providing two diversion plates 34 inside the cooling bin 4 to form 3 battery bins is described, and in other embodiments, the specific number of diversion plates 34 is not limited.
Referring to fig. 4, fig. 4 is a side view of a liquid-cooled battery rack according to a third embodiment of the present utility model, in which the cooling compartment 4 is composed of vertically adjacent battery compartments 3, and as shown in fig. 4, is composed of vertically adjacent 4 battery compartments 3. The liquid inlet 31 and the liquid outlet 3 are arranged on the side plates 24, specifically, the liquid outlet 33 is arranged on the side plate 24 corresponding to the battery compartment 3 positioned at the top of the cooling compartment 4, the liquid inlet 31 is arranged on the side plate 24 corresponding to the battery compartment 3 positioned at the bottom of the cooling compartment 4, and air of each battery compartment 3 can be smoothly discharged through the liquid outlet 33 when cooling liquid is injected through the liquid inlet 31. The remaining features of the liquid-cooled battery rack are the same as those of the previous embodiments, and will not be described again here.
In the above three embodiments of the present utility model, the number of the battery compartments 3 in the cooling compartments 4 is two or three, respectively, and the specific number in other embodiments may be set in combination with the heat generation of the battery and the cooling efficiency of the coolant. Preferably, the number of the battery bins 3 in the cooling bin 4 is two, and the cooling liquid has short circulation period and high cooling efficiency.
The present utility model also provides a battery pack comprising the liquid-cooled battery rack 100 described in the previous embodiments.
In summary, the liquid cooling battery rack and the battery pack are adopted, the liquid cooling battery rack comprises a plurality of battery bins, the battery bins are used for accommodating batteries, at least two adjacent battery bins form a cooling bin, each cooling bin is arranged in a closed mode, and a diversion channel is arranged between the adjacent battery bins in the cooling bin, so that cooling liquid between the adjacent battery bins can circulate mutually. Therefore, the cooling liquid can be fully circulated in different battery bins, and uniform and efficient cooling can be realized in an immersed mode. In addition, the cooling bin that seals the setting is as the independent unit of cooling, avoids influencing the battery in other cooling bins after taking place thermal runaway between the cooling bin, improves the security of battery package.
The above examples merely represent a few embodiments of the present utility model, which are described in more detail and are not to be construed as limiting the scope of the present utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (10)
1. The utility model provides a liquid cooling battery rack, its characterized in that includes a plurality of battery compartment, the battery compartment is used for placing the battery, and a cooling storehouse is constituteed to two at least adjacent battery compartment, each the cooling storehouse seals the setting, and is in inside the cooling storehouse, adjacent set up the water conservancy diversion passageway between the battery compartment for adjacent coolant liquid between the battery compartment can circulate each other.
2. The liquid cooled battery rack of claim 1, wherein all of the flow channels are disposed on a same side of the cooling compartment or adjacent flow channels are disposed on different sides of the cooling compartment.
3. The liquid-cooled battery rack of claim 1, wherein each cooling bin is provided with a pair of liquid inlet and liquid outlet, and the liquid inlet and the liquid outlet are respectively arranged on different battery bins.
4. The liquid cooled battery rack of claim 3, comprising a baffle disposed in a battery compartment, the baffle having dimensions smaller than dimensions of the battery compartment to form the baffle channel;
in the first direction of the cooling bin, the liquid inlet and the liquid outlet are arranged on two sides of the guide plate; and/or that the number of the groups of groups,
in the second direction of the cooling bin, the liquid inlet, the guide plate and the liquid outlet are sequentially arranged;
wherein the first direction is perpendicular to the second direction.
5. The liquid-cooled battery rack of claim 3, wherein the cooling compartment is comprised of vertically adjacent battery compartments, the liquid drain is disposed on a battery compartment located at the top of the cooling compartment, and the liquid inlet is disposed on a battery compartment located at the bottom of the cooling compartment.
6. The liquid cooled battery rack of claim 3, further comprising a front end plate, a rear end plate, two side plates, and a plurality of spacers, wherein the front end plate, the rear end plate, and the two side plates enclose a frame structure, and wherein the spacers are disposed within the frame structure and separate the frame structure to form a plurality of battery compartments arranged in an array.
7. The liquid cooled battery rack of claim 6, wherein the liquid inlet and liquid outlet are provided on the front end plate, the rear end plate, or the side plates, or one of the liquid inlet and liquid outlet is provided on the front end plate, and the other is provided on the rear end plate.
8. The liquid cooled battery rack of claim 6, wherein the front end plate is provided with a movable bin gate for passing a battery pack;
reinforcing ribs are arranged on the rear end plate and the side plates.
9. The liquid cooled battery rack of any of claims 6-8, further comprising a load bearing bracket disposed about the frame structure and lifting lugs disposed on the load bearing bracket.
10. A battery pack comprising the liquid cooled battery rack of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496863.3U CN220086171U (en) | 2023-06-12 | 2023-06-12 | Liquid cooling battery rack and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321496863.3U CN220086171U (en) | 2023-06-12 | 2023-06-12 | Liquid cooling battery rack and battery package |
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| Publication Number | Publication Date |
|---|---|
| CN220086171U true CN220086171U (en) | 2023-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321496863.3U Active CN220086171U (en) | 2023-06-12 | 2023-06-12 | Liquid cooling battery rack and battery package |
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| CN (1) | CN220086171U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673567A (en) * | 2024-01-30 | 2024-03-08 | 东南大学 | Immersion liquid cooled battery stack and apparatus |
-
2023
- 2023-06-12 CN CN202321496863.3U patent/CN220086171U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117673567A (en) * | 2024-01-30 | 2024-03-08 | 东南大学 | Immersion liquid cooled battery stack and apparatus |
| CN117673567B (en) * | 2024-01-30 | 2024-04-05 | 东南大学 | Immersion liquid cooled battery stack and apparatus |
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