CN218783108U - Liquid cooling system and battery pack - Google Patents
Liquid cooling system and battery pack Download PDFInfo
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- CN218783108U CN218783108U CN202223142850.4U CN202223142850U CN218783108U CN 218783108 U CN218783108 U CN 218783108U CN 202223142850 U CN202223142850 U CN 202223142850U CN 218783108 U CN218783108 U CN 218783108U
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- 239000007788 liquid Substances 0.000 title claims abstract description 216
- 238000001816 cooling Methods 0.000 title claims abstract description 180
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 131
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 12
- 238000007726 management method Methods 0.000 abstract description 7
- 230000002349 favourable effect Effects 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000110 cooling liquid Substances 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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 belongs to the technical field of the battery, specifically disclose a liquid cooling system, this liquid cooling system is including total liquid inlet pipe way, electric core liquid cooling subassembly, electric liquid cooling subassembly and the total liquid outlet pipe way of series connection intercommunication, and the coolant liquid gets into total liquid inlet pipe way from the water inlet, after passing through electric core liquid cooling subassembly, electric liquid cooling subassembly in proper order, flows through the terminal delivery port of total liquid outlet pipe way. Can successively cool off electric core and electric element through electric core liquid cooling subassembly and electric liquid cooling subassembly, electric liquid cooling subassembly can obviously improve electric element's radiating efficiency, is favorable to protecting electric element, prolongs its life, and electric core also can be cooled off effectively simultaneously, and the heat management effect of whole liquid cooling system is good. The utility model also provides a battery pack, including electric elements, a plurality of battery module to and above-mentioned liquid cooling system, electric core in each electric core module and electric elements's thermal management is respond well, long service life.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a liquid cooling system and battery package.
Background
With the increasing energy density requirement of power batteries, high nickel anodes and silicon carbon cathodes become mainstream technical routes, and the temperature sensitivity windows of batteries are more and more obvious, so that the performance, safety and cycle life of the batteries are seriously affected, and effective liquid cooling is a necessary trend for development.
In order to pursue high-rate charge and discharge and simultaneously facilitate the platform development, a large cylindrical battery core is more and more popular, a coil pipe is generally adopted to cool or heat the large cylindrical battery core, but in the high-rate charge and discharge process of a battery, the heat productivity of a BDU is obviously increased, the traditional natural cooling scheme cannot meet the heat dissipation requirement of the BDU, so that the BDU and other components are easily overheated, the charging efficiency is reduced, and the BDU and other components are burned out in serious cases.
Therefore, a liquid cooling system and a battery pack are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid cooling system and battery package can cool off electric core and electric elements simultaneously, and the cooling effect is obvious, and the thermal management is respond well, is favorable to protecting electric elements, guarantees that the charge-discharge process of battery normally goes on.
To achieve the purpose, the utility model adopts the following technical proposal:
in one aspect, the utility model provides a liquid cooling system, this liquid cooling system includes:
the inlet end of the battery cell liquid cooling assembly is communicated with a total liquid inlet pipeline, and a water inlet is formed in the total liquid inlet pipeline;
the inlet end of the electric liquid cooling assembly is communicated with the outlet end of the electric core liquid cooling assembly, the outlet end of the electric liquid cooling assembly is communicated with a total liquid outlet pipeline, and the water outlet is formed in the total liquid outlet pipeline.
Optionally, the electric core liquid cooling assembly comprises a plurality of first liquid cooling plate groups, one ends of the first liquid cooling plate groups are communicated with a main water inlet pipeline, each first liquid cooling plate group is communicated with the main water inlet pipeline, the other ends of the first liquid cooling plate groups are communicated with a main water outlet pipeline, and each other end of the first liquid cooling plate group is communicated with the inlet end of the electric liquid cooling assembly through the main water outlet pipeline.
Optionally, a plurality of branch water inlet pipelines are arranged on the main water inlet pipeline, the first liquid cooling plate groups are arranged in one-to-one correspondence with the branch water inlet pipelines, and the inlet end of each first liquid cooling plate group is communicated with one of the branch water inlet pipelines.
Optionally, the flow areas of the plurality of branch water inlet pipelines are sequentially increased along the direction away from the water inlet on the total liquid inlet pipeline.
Optionally, a plurality of water outlet pipelines are arranged on the main water outlet pipeline, the first liquid cooling plate groups are arranged in one-to-one correspondence with the water outlet pipelines, the outlet end of each first liquid cooling plate group is communicated with one of the water outlet pipelines, and the number of the water outlet pipelines is the same as that of the branch water inlet pipelines.
Optionally, a three-way valve is arranged between the main water inlet pipeline and the branch water inlet pipeline, the main water inlet pipeline is disconnected from the middle to form two first joints, the three-way valve includes a first joint, a second joint and a third joint, the first joint and the second joint are respectively communicated with the two first joints, and the third joint is communicated with the branch water inlet pipeline; and/or
The three-way valve is arranged between the main water outlet pipeline and the water outlet pipeline, the main water outlet pipeline is disconnected from the middle to form two second joints, the first joint and the second joint are respectively communicated with the two second joints, and the third joint is communicated with the water outlet pipeline.
Optionally, each first liquid cooling plate group comprises a plurality of serpentine liquid cooling plates, and the inlet end and the outlet end of each serpentine liquid cooling plate are respectively communicated with one branch water inlet pipeline and one branch water outlet pipeline, and are connected in parallel.
Optionally, a plurality of first circulation channels are arranged in the serpentine liquid cooling plate, two ends of each first circulation channel are respectively communicated with one branch water inlet pipeline and one branch water outlet pipeline, and the plurality of first circulation channels are connected in parallel.
Optionally, the electrical liquid cooling assembly includes a second liquid cooling plate set, the second liquid cooling plate set includes an upper cover plate and a lower cover plate that are connected to each other, a second circulation channel is formed between the upper cover plate and the lower cover plate, one end of the second circulation channel is communicated with the outlet end of the electrical core liquid cooling assembly, and the other end of the second circulation channel is communicated with the main liquid outlet pipe.
On the other hand, the utility model provides a battery pack, including electric elements, a plurality of battery module to and the liquid cooling system in the above-mentioned arbitrary scheme, the liquid cooling system can be right electric elements with electric core in the battery module cools off the temperature.
The beneficial effects of the utility model are that:
the utility model provides a liquid cooling system, this liquid cooling system include total liquid inlet pipe way, total liquid outlet pipe way to and the electric core liquid cooling subassembly and the electric liquid cooling subassembly of intercommunication with it, total liquid inlet pipe way, electric core liquid cooling subassembly, the liquid cooling return circuit of establishing ties intercommunication between electric liquid cooling subassembly and the total drain pipe way, the circulation has the coolant liquid in the liquid cooling return circuit, the coolant liquid gets into total liquid inlet pipe way from the water inlet, later in proper order behind electric core liquid cooling subassembly, electric liquid cooling subassembly, through the terminal delivery port outflow of total drain pipe way. Can successively cool off electric core and electric element in the battery module through electric core liquid cooling subassembly and electric liquid cooling subassembly, electric liquid cooling subassembly can obviously improve electric element's radiating efficiency for when high-power charge-discharge, electric element's temperature rise can not be too high, is favorable to protecting electric element, prolongs its life, and electric core also can be cooled off effectively simultaneously, and the heat management of whole liquid cooling system is respond well.
The utility model also provides a battery pack, this battery pack includes electrical component, a plurality of battery module, and foretell liquid cooling system, electrical component fixes on the terminal surface of second liquid cooling board group, cool down electrical component through second liquid cooling board group, multiseriate electricity core clamp in the battery module is established between the snakelike liquid cooling board of electric core liquid cooling subassembly, can cool off multiseriate electricity core in the battery module respectively through snakelike liquid cooling board, the heat management of liquid cooling system is respond well, be favorable to improving electric core and electrical component's life.
Drawings
Fig. 1 is a schematic structural diagram of a liquid cooling system provided in an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B;
fig. 4 is a partial enlarged view of the main water inlet line, the three-way valve and the second branch water inlet line provided in the embodiment of the present invention;
fig. 5 is a schematic structural view of a second liquid cooling plate set provided in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a battery pack provided in an embodiment of the present invention;
fig. 7 is an exploded view of a battery pack provided in an embodiment of the present invention.
In the figure:
100. a main liquid inlet pipeline; 101. a water inlet;
200. a battery cell liquid cooling assembly; 210. a main water inlet pipeline; 211. a first water inlet pipeline; 212. a second water inlet pipeline; 213. a third water inlet pipeline; 214. a fourth water inlet pipeline; 220. a main water outlet pipeline; 221. a first water outlet pipeline; 222. a second water discharge line; 223. a third water discharge line; 224. a fourth water discharge line; 230. a serpentine liquid cooled panel; 240. a liquid outlet pipeline for liquid cooling of the battery cell; 250. a three-way valve; 251. a first interface; 252. a second interface; 253. a third interface;
300. an electrical liquid cooling assembly; 301. electric liquid cooling liquid inlet; 302. an electric liquid cooling outlet; 310. an upper cover plate; 320. a lower cover plate; 321. a second flow-through channel;
400. a main liquid outlet pipeline; 401. a water outlet;
500. an electric core;
600. an electrical component.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures associated with the present invention are shown in the drawings, not all of them.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplification of operation, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to fig. 3, this embodiment provides a liquid cooling system, which includes a total liquid inlet pipeline 100, a total liquid outlet pipeline 400, and a battery core liquid cooling assembly 200 and an electrical liquid cooling assembly 300 that are connected to the total liquid inlet pipeline 100, wherein one end of the total liquid inlet pipeline 100 is provided with a water inlet 101, an inlet end of the battery core liquid cooling assembly 200 is connected to one end of the total liquid inlet pipeline 100 that is far from the water inlet 101, an outlet end of the battery core liquid cooling assembly 200 is connected to an inlet end of the electrical liquid cooling assembly 300, one end of the total liquid outlet pipeline 400 is provided with a water outlet 401, an outlet end of the electrical liquid cooling assembly 300 is connected to one end of the total liquid outlet pipeline 400 that is far from the water outlet 401, so that a liquid cooling loop that is formed among the total liquid inlet pipeline 100, the battery core liquid cooling assembly 200, the electrical liquid cooling assembly 300, and the total liquid outlet pipeline 400 and is connected in series, cooling liquid flows through cooling liquid flowing through the liquid cooling loop, the cooling liquid inlet 101 enters the total liquid inlet pipeline 100, and then sequentially passes through the battery core liquid cooling assembly 200 and the electrical liquid cooling assembly 300, and then flows out through the water outlet 401 at the end of the total liquid cooling pipeline 400.
Further, electric core liquid cooling subassembly 200 can be used to cool off electric core 500 in the battery module, electric liquid cooling subassembly 300 can be used to cool off electric element 600 in the battery package, for example, BDU etc. can cool off electric core 500 and electric element 600 successively through electric core liquid cooling subassembly 200 and electric liquid cooling subassembly 300, compare in the scheme that electric element 600 can only cool off through natural cooling in the past, electric liquid cooling subassembly 300 in this implementation can obviously improve electric element 600's radiating efficiency, make when high-power charge-discharge, electric element 600's temperature rise can not be too high, be favorable to protecting electric element 600, prolong its life, electric core 500 also can be cooled off effectively simultaneously, whole liquid cooling system's thermal management effect is good.
As an optional scheme, the cell liquid cooling assembly 200 in this embodiment includes a plurality of first liquid cooling plate sets, each first liquid cooling plate set corresponds to one battery module, one end of each first liquid cooling plate set is communicated with the main water inlet pipeline 210, the main water inlet pipeline 210 is communicated with the total liquid inlet pipeline 100, the other end of each first liquid cooling plate set is communicated with the main water outlet pipeline 220, and the main water outlet pipeline 220 is communicated with the inlet end of the electrical liquid cooling assembly 300 through the cell liquid cooling liquid outlet pipeline 240. Specifically, one end of the main water inlet pipeline 210 is communicated with the main liquid inlet pipeline 100, the other end of the main water inlet pipeline 210 is communicated with a plurality of branch water inlet pipelines, the first liquid cooling plate groups are arranged in one-to-one correspondence with the branch water inlet pipelines, the inlet end of each first liquid cooling plate group is communicated with one of the branch water inlet pipelines, one end of the main water outlet pipeline 220 is communicated with the inlet end of the electric liquid cooling assembly 300, the other end of the main water outlet pipeline 220 is communicated with a plurality of water outlet pipelines, the number of the water outlet pipelines is the same as that of the branch water inlet pipelines, the first liquid cooling plate groups are arranged in one-to-one correspondence with the water outlet pipelines, and each water outlet pipeline is communicated with the outlet end of one first liquid cooling plate group, so that cooling liquid can sequentially pass through the main liquid inlet pipeline 100, the main water inlet pipeline 210, the branch water inlet pipeline, the first liquid cooling plate groups, the water outlet pipeline 220 and the electric core liquid cooling pipeline 240 and then enter the electric liquid cooling assembly 300 communicated therewith.
In this embodiment, four branch water inlet pipelines, four first liquid cooling plate groups, and four outlet water pipelines are taken as an example for description, two ends of each first liquid cooling plate group are respectively connected to one branch water inlet pipeline and one outlet water pipeline, the four first liquid cooling plate groups are connected in parallel, and the four first liquid cooling plate groups respectively cool multiple rows of electric cores 500 in one battery module.
For convenience of description, along a direction away from the inlet 101 of the total inlet channel 100, the four branch inlet channels are sequentially denoted as a first branch inlet channel 211, a second branch inlet channel 212, a third branch inlet channel 213 and a fourth branch inlet channel 214, and accordingly, the branched water channel connected to the first branch inlet channel 211 is denoted as a first branched outlet channel 221, the branched water channel connected to the second branch inlet channel 212 is denoted as a second branched water channel 222, the branched water channel connected to the third branch inlet channel 213 is denoted as a third branched water channel 223, and the branched water channel connected to the fourth branch inlet channel 214 is denoted as a fourth branched water channel 224. The coolant flowing from the water inlet 101 of the total liquid inlet pipeline 100 simultaneously enters the first branch water inlet pipeline 211, the second branch water inlet pipeline 212, the third branch water inlet pipeline 213 and the fourth branch water inlet pipeline 214, then respectively enters the four corresponding first liquid cooling plate sets, then respectively flows out from the first branch water outlet pipeline 221, the second water outlet pipeline 222, the third branch water outlet pipeline 223 and the fourth water outlet pipeline 224, and is converged into the main water outlet pipeline 220, and then enters the electric liquid cooling module 300 of the main water outlet pipeline 220 through the core liquid cooling liquid outlet pipeline 240.
As a preferred scheme, in this embodiment, the flow areas of the first water inlet pipeline 211, the second water inlet pipeline 212, the third water inlet pipeline 213, and the fourth water inlet pipeline 214 are sequentially increased, so as to ensure that the flow rates of the cooling liquid entering each first liquid cooling plate group are substantially the same, the flow rates of the cooling liquid in each first liquid cooling plate group are uniformly distributed, thereby avoiding the untimely heat dissipation of the battery core 500 in the battery module located at the edge, and facilitating the improvement of the temperature uniformity of each battery module in the battery pack.
Further, referring to fig. 4, the main water inlet pipeline 210 is communicated with the branch water inlet pipelines through a three-way valve 250, which is exemplified by the main water inlet pipeline 210 and the second branch water inlet pipeline 212, the main water inlet pipeline 210 is disconnected therefrom to form two first joints, the three-way valve 250 includes a first joint 251, a second joint 252 and a third joint 253, the first joint 251 and the second joint 252 are respectively communicated with the two first joints, and the third joint 253 is communicated with the second branch water inlet pipeline 212. Illustratively, the pipe diameters of the first and second ports 251 and 252 are greater than the pipe diameter of the third port 253.
A three-way valve 250 is also arranged between the main water outlet pipeline 220 and the water outlet pipeline, the main water outlet pipeline 220 is disconnected from the middle to form two second joints, the first joint 251 and the second joint 252 are respectively communicated with the two second joints, and the third joint 253 is communicated with the water outlet pipeline. The specific communication between the main water outlet line 220 and the branch water outlet line is the same as the communication between the main water inlet line 210 and the second branch water inlet line 212 through the three-way valve 250, and will not be illustrated.
With reference to fig. 1, each first liquid-cooling plate group includes a plurality of serpentine liquid-cooling plates 230, an inlet end and an outlet end of each serpentine liquid-cooling plate 230 are respectively communicated with a branch water inlet pipeline and a branch water outlet pipeline, the serpentine liquid-cooling plates 230 are connected in parallel, each battery module includes a plurality of columns of battery cells 500, and each serpentine liquid-cooling plate 230 is sandwiched between two adjacent columns of battery cells 500, so as to cool the battery cells. Further, a plurality of first circulation channels are arranged in each snake-shaped liquid cooling plate 230, two ends of each first circulation channel are respectively communicated with one branch water inlet pipeline and one branch water outlet pipeline, the plurality of first circulation channels are connected in parallel, and the snake-shaped liquid cooling plates 230 enter from the same side and flow out from the same side, so that the uniformity of flow among the snake-shaped liquid cooling plates 230 is guaranteed.
Referring to fig. 1, 3 and 5, the electrical liquid-cooled assembly 300 includes a second set of liquid-cooled plates, with the electrical component 600 secured to an end face of the second set of liquid-cooled plates. The second liquid cooling plate set comprises an upper cover plate 310 and a lower cover plate 320 which are connected with each other, a second circulation channel 321 is formed between the upper cover plate 310 and the lower cover plate 320, one end of the second circulation channel 321 is communicated with the outlet end of the battery cell liquid cooling assembly 200, and the other end of the second circulation channel 321 is communicated with the general liquid outlet pipe 400. Specifically, be equipped with electric liquid cooling inlet 301 and electric liquid cooling outlet 302 on upper cover plate 310, electric liquid cooling inlet 301 and electric core liquid cooling outlet pipe 240 intercommunication, electric liquid cooling outlet 302 and total outlet pipe 400 intercommunication, and electric liquid cooling inlet 301 and electric liquid cooling outlet 302 all communicate with second circulation passageway 321 to in electric core liquid cooling outlet pipe 240 entering into second circulation passageway 321 can be followed to the coolant liquid, later through the delivery port 401 outflow on total outlet pipe 400.
Referring to fig. 6 and 7, the battery pack includes an electrical component 600, a plurality of battery modules, and the above-mentioned liquid cooling system, and the liquid cooling system can cool the electrical component 600 and the battery cells 500 in the battery modules. Electric element 600 fixes on the terminal surface of second liquid cooling plate group, cools down electric element 600 through second liquid cooling plate group, and multiseriate electric core 500 in the battery module press from both sides and establish between electric core liquid cooling assembly 200's snakelike liquid cooling plate 230, can cool off respectively to each row of electric core 500 in each battery module through snakelike liquid cooling plate 230, and the thermal management of liquid cooling system is respond well, is favorable to improving electric core 500 and electric element 600's life.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A liquid cooling system, comprising:
the inlet end of the battery cell liquid cooling assembly (200) is communicated with the total liquid inlet pipeline (100), and the water inlet (101) is arranged on the total liquid inlet pipeline (100);
the liquid cooling device comprises an electric liquid cooling assembly (300), wherein the inlet end of the electric liquid cooling assembly (300) is communicated with the outlet end of the electric core liquid cooling assembly (200), the outlet end of the electric liquid cooling assembly (300) is communicated with a main liquid outlet pipeline (400), and a water outlet (401) is arranged on the main liquid outlet pipeline (400).
2. The liquid cooling system of claim 1, wherein the cell liquid cooling assembly (200) comprises a plurality of first liquid cooling plate sets, one end of each first liquid cooling plate set is communicated with a main water inlet pipeline (210), each first liquid cooling plate set is communicated with the main water inlet pipeline (100) through the main water inlet pipeline (210), the other end of each first liquid cooling plate set is communicated with a main water outlet pipeline (220), and the other end of each first liquid cooling plate set is communicated with an inlet end of the electrical liquid cooling assembly (300) through the main water outlet pipeline (220).
3. The liquid cooling system of claim 2, wherein the main water inlet line (210) has a plurality of branch water inlet lines, the first liquid cooling plate sets are disposed in one-to-one correspondence with the branch water inlet lines, and an inlet end of each of the first liquid cooling plate sets is communicated with one of the branch water inlet lines.
4. The liquid cooling system of claim 3, wherein the flow area of the plurality of branch inlet pipes increases in a direction away from the inlet (101) of the main inlet pipe (100).
5. The liquid cooling system as claimed in claim 3, wherein a plurality of outlet pipes are disposed on the main outlet pipe (220), the first liquid cooling plates are disposed corresponding to the outlet pipes one by one, an outlet end of each of the first liquid cooling plates is connected to one of the outlet pipes, and the number of the outlet pipes is the same as the number of the branch inlet pipes.
6. The liquid cooling system of claim 5, wherein a three-way valve (250) is disposed between the main water inlet line (210) and the branch water inlet line, the main water inlet line (210) is disconnected therefrom to form two first joints, the three-way valve (250) comprises a first port (251), a second port (252), and a third port (253), the first port (251) and the second port (252) are respectively communicated with the two first joints, and the third port (253) is communicated with the branch water inlet line; and/or
The three-way valve (250) is arranged between the main water outlet pipeline (220) and the water outlet pipeline, the main water outlet pipeline (220) is disconnected from the main water outlet pipeline to form two second joints, the first joint (251) and the second joint (252) are respectively communicated with the two second joints, and the third joint (253) is communicated with the water outlet pipeline.
7. The liquid cooling system of claim 5, wherein each of the first plurality of liquid cooling plates comprises a plurality of serpentine liquid cooling plates (230), wherein an inlet end and an outlet end of each of the plurality of serpentine liquid cooling plates (230) are respectively connected to one of the branch water inlet lines and one of the branch water outlet lines, and wherein the plurality of serpentine liquid cooling plates (230) are connected in parallel.
8. The liquid cooling system of claim 7, wherein a plurality of first flow channels are formed in the serpentine liquid cooling plate (230), two ends of each first flow channel are respectively connected to one of the branch water inlet pipes and one of the branch water outlet pipes, and a plurality of the first flow channels are connected in parallel.
9. The liquid cooling system according to any one of claims 1-8, wherein the electrical liquid cooling assembly (300) comprises a second liquid cooling plate group, the second liquid cooling plate group comprises an upper cover plate (310) and a lower cover plate (320) which are connected with each other, a second circulation channel (321) is formed between the upper cover plate (310) and the lower cover plate (320), one end of the second circulation channel (321) is communicated with the outlet end of the cell liquid cooling assembly (200), and the other end of the second circulation channel (321) is communicated with the main liquid outlet pipe (400).
10. A battery pack, characterized by comprising an electrical component (600), a plurality of battery modules, and a liquid cooling system according to any one of claims 1 to 9, wherein the liquid cooling system is capable of cooling the electrical component (600) and the battery cells (500) in the battery modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223142850.4U CN218783108U (en) | 2022-11-25 | 2022-11-25 | Liquid cooling system and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223142850.4U CN218783108U (en) | 2022-11-25 | 2022-11-25 | Liquid cooling system and battery pack |
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| Publication Number | Publication Date |
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| CN218783108U true CN218783108U (en) | 2023-03-31 |
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| CN202223142850.4U Active CN218783108U (en) | 2022-11-25 | 2022-11-25 | Liquid cooling system and battery pack |
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- 2022-11-25 CN CN202223142850.4U patent/CN218783108U/en active Active
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