CN217933986U - Liquid cooling board and battery package - Google Patents
Liquid cooling board and battery package Download PDFInfo
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- CN217933986U CN217933986U CN202222103522.7U CN202222103522U CN217933986U CN 217933986 U CN217933986 U CN 217933986U CN 202222103522 U CN202222103522 U CN 202222103522U CN 217933986 U CN217933986 U CN 217933986U
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- 239000007788 liquid Substances 0.000 title claims abstract description 388
- 238000001816 cooling Methods 0.000 title claims abstract description 248
- 239000000110 cooling liquid Substances 0.000 claims description 26
- 238000000034 method Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims 3
- 239000002826 coolant Substances 0.000 abstract description 23
- 238000009826 distribution Methods 0.000 description 9
- 238000004080 punching Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding 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 provides a liquid cooling board and battery package, it includes liquid cooling upper plate and liquid cooling lower plate of connecting from top to bottom, and the liquid cooling lower plate is just being formed with the recess on the face of liquid cooling upper plate, and liquid cooling upper plate cooperates with the recess jointly and forms the runner structure that is used for cooling battery module; the flow passage structure comprises a liquid inlet section, a liquid cooling section and a liquid outlet section; the battery module is characterized in that a plurality of liquid cooling sections are linearly arranged at equal intervals, each liquid cooling section is independently matched with one battery module, each liquid cooling section comprises a liquid inlet and two symmetrically arranged cooling flow channels, the cooling flow channels are arranged in a shape of a Chinese character 'hui', and the liquid inlets are connected with liquid inlet ends of the two cooling flow channels in parallel; the liquid inlet sections are respectively connected with the liquid inlets in the liquid cooling sections in parallel; and the liquid outlet sections are respectively connected with the liquid outlet ends of the cooling flow channels in the liquid cooling sections in parallel. The utility model discloses a plurality of liquid cooling sections enable the coolant liquid can evenly distributed in the module area that generates heat to guarantee that each module of battery has good temperature uniformity.
Description
Technical Field
The utility model relates to a new forms of energy battery technical field especially relates to a liquid cooling board and battery package.
Background
With the gradual increase of the energy density of the battery pack, the liquid cooling technology gradually becomes the mainstream battery thermal management scheme. The cooling scheme that the liquid cooling board is laid to square electric core main adoption bottom, the heat of electric core passes through the liquid cooling board and transmits for the coolant liquid, and the coolant liquid takes away the heat in order to reach the purpose of cooling for the battery package. Along with the gradual increase of calorific capacity of battery package, the liquid cooling board of processes such as punching press formula is also changed into from early harmonica tubular gradually to the liquid cooling board of punching press formula liquid cooling board, and punching press formula liquid cooling board has bigger heat transfer area, higher structural strength relative to harmonica tubular liquid cooling board.
Most of battery package all adopt the fashioned liquid cooling board of stamping process at present, and punching press formula liquid cooling board heat transfer area is big, and intensity is high, nevertheless along with the increase of the inside module quantity of battery package, the coolant liquid flow of every module bottom of runner is difficult to accomplish to punching press formula water cooling board equals, and the temperature inconsistency of the electric core of different modules is caused to the flow distribution is inhomogeneous to reduce the life of battery package.
Chinese patent CN212461817U discloses a liquid cooling board and battery module, and this patent adopts the middle part cooling zone of the font of returning to the throne structure to preferentially cool off the middle part position of battery module, then cools off the tip position of battery module through tip cooling zone again, and then its middle part position that can effectively cool off the battery module reduces the difference in temperature between the centre and the both ends of battery module for the cooling of the different positions of battery module is even reasonable. The applicant finds that the above patents have some defects in the actual use process, and one of the defects is that firstly, the middle battery module is cooled, and then the battery modules at the two ends are cooled, so that the cooling time of the battery modules in the battery pack is inconsistent, and the battery modules at all positions of the battery pack cannot be cooled synchronously; it is two, earlier to middle battery module cooling, the temperature risees after the coolant liquid heat transfer, the battery module cooling to both ends again, can lead to the battery module temperature at both ends to exceed middle battery module, still can't realize each battery module temperature uniformity, its third, the runner at cold drawing board middle part and the runner at both ends are established ties respectively, this can cause the coolant liquid flow resistance grow in the liquid cooling board, each heat transfer area difference in temperature of liquid cooling board is great, lead to temperature uniformity relatively poor between each module, influence the uniformity of electric core and the life-span of group battery.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a liquid cooling board and battery package solves the poor problem of a plurality of battery module temperature uniformity that the liquid cooling board corresponds.
The technical scheme of the utility model is realized like this:
on the one hand, the utility model provides a liquid cooling plate, it includes liquid cooling upper plate and liquid cooling lower plate, and liquid cooling upper plate and liquid cooling lower plate are connected from top to bottom, the liquid cooling lower plate just is formed with the recess on the face of liquid cooling upper plate, the face that the liquid cooling upper plate just is to the liquid cooling lower plate cooperates with the recess jointly and forms the runner structure that is used for cooling battery module;
the flow passage structure comprises a liquid inlet section, a liquid cooling section and a liquid outlet section, wherein the liquid inlet section is communicated with the liquid outlet section through the liquid cooling section; wherein,
the liquid cooling sections are linearly and equidistantly arranged, each liquid cooling section is independently matched with one battery module, each liquid cooling section comprises a liquid inlet and two symmetrically arranged cooling flow channels, the cooling flow channels are arranged in a shape of a Chinese character 'hui', and the liquid inlets are connected with liquid inlet ends of the two cooling flow channels in parallel;
the liquid inlet sections are respectively connected with the liquid inlets in the liquid cooling sections in parallel;
and the liquid outlet sections are respectively connected with the liquid outlet ends of the cooling runners in the liquid cooling sections in parallel.
On the basis of the technical scheme, preferably, the liquid inlet section comprises a liquid inlet flow channel and a liquid inlet, the liquid inlet flow channel is located in the middle of one end of the liquid cooling lower plate in the length direction, the liquid inlet is located on the liquid cooling upper plate and just opposite to the liquid inlet flow channel, and a liquid inlet pipe is arranged on the liquid inlet.
Further, it is preferred, go out the liquid section including going out liquid confluence flow path, flowing back runner and liquid outlet, it is located the liquid cooling hypoplastron and keeps away from the one end of feed liquor runner to go out the liquid confluence flow path, the liquid cooling section is located between liquid confluence flow path and the feed liquor runner, goes out the liquid confluence flow path and connects in parallel with the play liquid end of the cooling runner in each liquid cooling section respectively, and the flowing back runner is located on the liquid cooling hypoplastron at that feed liquor runner is located on one side, and the flowing back runner is connected with going out the liquid confluence flow path, and the liquid outlet is located on the liquid cooling upper plate and just to the flowing back runner, be provided with the drain pipe on the liquid outlet.
On the basis of the technical scheme, preferably, a plurality of first turbulence protrusions of strip structures are arranged between two cooling channels in the liquid cooling section at equal intervals along the flowing direction of cooling liquid, and the first turbulence protrusions are right opposite to the liquid inlet.
Further, it is preferable that the openings of the liquid inlets in the liquid cooling stages are uniform in size.
On the basis of the technical scheme, preferably, the liquid outlet end of the cooling flow channel on the liquid cooling section close to the liquid drainage flow channel and the liquid outlet confluence flow channel are connected with the liquid drainage flow channel in parallel.
Further, it is preferable that the liquid inlet is located at one end of the liquid inlet flow channel far away from the liquid discharge flow channel, the size of the liquid inlet on the liquid cooling section close to the liquid discharge flow channel is smaller than the size of the liquid inlets on the other liquid cooling sections, and the two cooling flow channels corresponding to the liquid inlets are straight flow channels.
On the basis of the technical scheme, preferably, the liquid inlet flow channel is provided with a plurality of second turbulence protrusions with strip structures along the flowing direction of the liquid inlet flow channel.
On the other hand, the utility model also provides a battery pack, include the liquid cooling board, still include a plurality of battery module, each the bottom surface of battery module is connected with the liquid cooling upper plate surface that the liquid cooling section corresponds respectively.
The utility model discloses following beneficial effect has for prior art:
(1) The utility model discloses a liquid cooling plate, through set up the runner structure between liquid cooling upper plate and liquid cooling hypoplastron, and set up the liquid cooling section of a plurality of and battery module one-to-one on the runner structure, the inlet section is parallelly connected with the income liquid mouth of each liquid cooling section respectively, thereby make each liquid cooling section flow distribution even, all include two symmetries in each liquid cooling section simultaneously and be the cooling runner that the type set up returns, and two cooling runners in each liquid cooling section set up in parallel, thereby can make two cooling runner flow distributions in each liquid cooling section unanimous, realize that each battery module heat transfer regional temperature is homogeneous, the cooling runner of type setting returns, can realize that the cooling liquid flows in the adjacent runner in opposite direction, thereby realize the temperature complementation, make each regional temperature uniformity of battery module that the liquid cooling section corresponds obtain guaranteeing;
(2) Set up a plurality of first vortex archs along coolant flow direction between two cooling channels, can make the coolant liquid that enters into between two cooling channels scattered by first vortex arch, realize that the coolant liquid mixes, guarantee that two cooling channels in every liquid cold section temperature is even to realize that single battery module has good temperature uniformity.
(3) The liquid inlet flow channel is provided with the second turbulence protrusions with the strip structures along the flowing direction of the liquid inlet flow channel, so that turbulence blocking can be performed on cooling liquid flowing in the liquid inlet flow channel, and the flow distribution of the cooling liquid flowing into each liquid cooling section is uniform.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a liquid cooling plate and a battery module device disclosed by the present invention;
fig. 2 is a schematic structural view of a liquid cooling upper plate and a liquid cooling lower plate disclosed by the present invention;
fig. 3 is a schematic structural view of a liquid-cooled lower plate disclosed in the present invention;
fig. 4 is a schematic plan view of a liquid-cooled lower plate according to the present invention;
reference numerals:
1. liquid cooling the upper plate; 2. cooling the lower plate by liquid; 3. a liquid inlet section; 4. a liquid cooling section; 5. a liquid outlet section; 41. a liquid inlet; 42. a cooling flow channel; 31. a liquid inlet flow channel; 32. a liquid inlet; 51. a liquid outlet confluence flow channel; 52. a liquid discharge flow channel; 53. a liquid outlet; 11. a liquid inlet pipe; 12. a liquid outlet pipe; 43. a first spoiler protrusion; 33. a second spoiler protrusion; s, a battery module.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.
As shown in fig. 1, combine fig. 2-4, the embodiment of the utility model discloses a liquid cooling board, including liquid cooling upper plate 1 and liquid cooling hypoplastron 2, connect from top to bottom liquid cooling upper plate 1 and liquid cooling hypoplastron 2, it is specific, liquid cooling upper plate 1 and liquid cooling hypoplastron 2 can adopt the welding mode to connect, and liquid cooling hypoplastron 2 is just being formed with the recess on the face of liquid cooling upper plate 1, and these recesses can adopt mechanical system to realize, and are preferred, adopt the punching press mode to form. The surface of the liquid cooling upper plate 1 opposite to the liquid cooling lower plate 2 is matched with the groove together to form a flow channel structure for cooling the battery module. When specifically using, the battery module is placed 1 surface of liquid cooling upper plate, realizes the heat transfer to the battery module through the coolant liquid in the runner structure.
Because contain at least one battery module in the battery package usually, and be a plurality of battery modules under the general condition, in order to realize each battery module in the course of the work, the temperature is even after each battery module heat transfer can be realized to the liquid cooling board.
In the embodiment, the flow channel structure is arranged, specifically, the flow channel structure comprises a liquid inlet section 3, a liquid cooling section 4 and a liquid outlet section 5, and the liquid inlet section 3 is communicated with the liquid outlet section 5 through the liquid cooling section 4; in this embodiment, the inlet liquid section 3 is used for letting in the coolant liquid to the liquid cooling inboard, and liquid cooling section 4 is used for carrying out the heat transfer to the battery module in the liquid cooling inboard, goes out liquid section 5 and is used for following the interior discharge of liquid cooling inboard.
In this embodiment, the plurality of liquid cooling sections 4 are linearly arranged at equal intervals, specifically, the liquid cooling sections 4 are arranged at equal intervals along the width direction of the liquid cooling plate, each liquid cooling section 4 is independently matched with one battery module, the area of each liquid cooling section 4 is matched with the contact area of the battery module and the liquid cooling plate, so that each liquid cooling section 4 corresponds to an independent battery module, each liquid cooling section 4 comprises a liquid inlet 41 and two symmetrically arranged cooling channels 42, each cooling channel 42 is in a shape of a Chinese character 'hui', and the liquid inlets 41 are connected in parallel with the liquid inlet ends of the two cooling channels 42; therefore, the two cooling flow channels 42 in each liquid cooling section 4 are arranged in parallel, so that the flow distribution of the two cooling flow channels 42 in each liquid cooling section 4 is consistent, and the uniform temperature of each battery module heat exchange area is realized. The cooling flow channels 42 arranged in the shape of a square-rectangle can realize that the flowing directions of cooling liquids in different flow channels close to each other are opposite, so that heat exchange is carried out between high-temperature cooling liquid and low-temperature cooling liquid in different flow channels close to each other, temperature complementation is realized, and the temperature consistency of each region of the battery module corresponding to the liquid cooling section 4 is ensured.
The liquid inlet section 3 in the embodiment is respectively connected with the liquid inlets 41 in the liquid cooling sections 4 in parallel; and the liquid outlet sections 5 are respectively connected with the liquid outlet ends of the cooling flow passages 42 in the liquid cooling sections 4 in parallel. From this setting, can make the flow distribution in each liquid cooling section 4 even, each liquid cooling section 4 carries out the coolant liquid in step and flows to realize that a plurality of battery module that the liquid cooling board corresponds carry out the heat transfer cooling in step, make coolant liquid ability evenly distributed in each battery module area that generates heat, thereby each module has good temperature uniformity in guaranteeing the battery package.
In some preferred embodiments, the liquid inlet section 3 includes a liquid inlet channel 31 and a liquid inlet 32, the liquid inlet channel 31 is located in the middle of one end of the liquid cooling lower plate 2 in the length direction, the flow direction of the cooling liquid in the liquid inlet channel 31 is perpendicular to the flow direction of the cooling liquid in the liquid cooling section 4, the liquid inlet 32 is located on the liquid cooling upper plate 1 and faces the liquid inlet channel 31, and the liquid inlet 32 is provided with a liquid inlet pipe 11. In some preferred embodiments, in order to achieve the most uniform flow distribution of the liquid cooling sections 4, the openings of the liquid inlets 41 on the liquid cooling sections 4 are uniform in size. Meanwhile, the liquid inlet 32 is located in the center of the liquid inlet channel, so that the cooling liquid entering the liquid inlet channel 31 respectively flows to two sides, and the flow channel distribution of each liquid cooling section 4 is as uniform as possible.
As some embodiments, go out liquid section 5 and can set up the one end of keeping away from liquid inlet section 3 at the liquid cooling plate, nevertheless set up like this, the battery package need connect cooling tube respectively at length direction both ends, is unfavorable for the succinct setting of battery package structure. Therefore, the present embodiment provides some preferred embodiments, specifically, the liquid outlet section 5 includes a liquid outlet converging flow passage 51, a liquid discharge flow passage 52 and a liquid outlet 53, the liquid outlet converging flow passage 51 is located at one end of the liquid-cooled lower plate 2 far from the liquid inlet flow passage 31, the liquid-cooled section 4 is located between the liquid converging flow passage and the liquid inlet flow passage 31, the liquid outlet converging flow passage 51 is respectively connected in parallel with the liquid outlet ends of the cooling flow passages 42 in the liquid-cooled sections 4, the liquid discharge flow passage 52 is located on the liquid-cooled lower plate 2 beside the liquid inlet flow passage 31, the liquid discharge flow passage 52 is connected with the liquid outlet converging flow passage 51, the liquid outlet 53 is located on the liquid-cooled upper plate 1 and faces the liquid discharge flow passage 52, and the liquid outlet 53 is provided with a liquid outlet pipe 12. With this arrangement, the cooling liquid after heat exchange in each cooling flow channel 42 in the liquid cooling section 4 is collected in the liquid outlet collecting flow channel 51, and then flows into the liquid discharge flow channel 52, and is discharged from the liquid outlet pipe 12.
From this setting, the coolant liquid lets in from the inlet channel 31 of the one end of liquid cooling board, and after the cooling runner 42 in each liquid cooling section 4 to the corresponding regional heat transfer of battery module, the high temperature coolant liquid is converged into and is gone out liquid confluence runner 51, discharges through flowing back runner 52 finally, and simultaneously, such structural arrangement can guarantee that inlet pipe 11 and drain pipe 12 are in the same one side of liquid cooling board, makes things convenient for the battery package to carry out cooling tube's connection.
As some preferred embodiments, a plurality of first turbulence protrusions 43 with strip-shaped structures are disposed between two cooling channels 42 in the liquid cooling section 4 at equal intervals along the flowing direction of the cooling liquid, and the first turbulence protrusions 43 face the liquid inlet 41. From this setting, can make the coolant liquid that enters into between two cooling runner 42 break up by first vortex arch 43, realize that the coolant liquid mixes, guarantee that two cooling runner 42 temperature in every liquid cooling section 4 are even to it has good temperature uniformity to realize single battery module.
In this embodiment, the width of each liquid cooling section 4 is for matching the battery module, the width that it set up is unanimous, because it converges flow channel 51 and sets up the one end of keeping away from inlet channel 31 at the liquid cooling board, drain pipe 12 is located inlet pipe 11 same side simultaneously, this just needs to go out liquid and converges flow channel 51 and walk around the liquid cooling section 4 outside along liquid cooling board length direction, this will make it converge flow channel 51 and set up the overlength to go out liquid, this part coolant liquid does not carry out the heat transfer to the battery module in the runner simultaneously, there is energy waste, it is consuming time also to make the coolant liquid increase at the discharge process simultaneously, be unfavorable for the quick heat transfer of battery module.
For this reason, the liquid outlet end of the cooling channel 42 on the liquid cooling section 4 near the liquid drainage channel 52 and the liquid outlet confluence channel 51 are connected in parallel with the liquid drainage channel 52 in this embodiment. Therefore, the liquid outlet confluence flow channel 51 can serve as a section of flow channel in the cooling flow channel 42, the total length of the liquid outlet confluence flow channel 51 is reduced, after heat exchange is carried out on the cooling flow channel 42 in the liquid cooling section 4 close to the flowing position of the discharged liquid, the cooling liquid directly flows into the liquid discharging flow channel 52, meanwhile, the cooling liquid flowing out of other liquid cooling sections 4 also directly flows into the liquid discharging flow channel 52 through the liquid outlet confluence flow channel 51, the flowing stroke of the cooling liquid can be reduced, and cooling circulation can be rapidly carried out.
Under the general condition, feed liquor pipe 11 and drain pipe 12 are located liquid cooling board length direction one end, and for the liquid cooling board symmetry, make things convenient for the battery package to connect the cooling line. For this reason, the present embodiment has the liquid inlet 32 disposed at the end of the liquid inlet flow path 31 remote from the liquid discharge flow path 52, so that the liquid inlet 32 and the liquid outlet 53 are symmetrical with respect to the liquid cooling plate. But simultaneously, the coolant liquid that lets in from inlet 32 can be along inlet channel straight dashing forward, this can cause to be close to the flow that 4 liquid cooling sections of liquid outlet 53 let in the coolant liquid faster, thereby make the battery module heat transfer effect that 4 liquid cooling sections of this position correspond will obviously be superior to other battery modules, for this reason, in order to equalize each battery module heat transfer evenly, the income liquid mouth 41 size on 4 liquid cooling sections of liquid cooling that this embodiment will be close to flowing back runner 52 department is less than the income liquid mouth 41 size on 4 other liquid cooling sections, from this setting, can reduce the flow size that 4 liquid cooling sections of this liquid cooling let in the coolant liquid, make each 4 liquid cooling sections of liquid cooling let in the coolant liquid distribution balanced relatively.
Meanwhile, in order to avoid the situation that the flow of the cooling liquid in the liquid cooling section 4 is reduced due to the fact that the flow of the cooling liquid is introduced, the resistance of the cooling liquid is increased when the cooling liquid passes through the return type cooling flow channel 42, and the liquid cooling effect is deteriorated, in the embodiment, the two cooling flow channels 42 corresponding to the liquid inlet 41 of the liquid cooling section 4 are arranged to be straight flow channels, specifically, the two sets of cooling flow channels 42 in the liquid cooling section 4 are arranged to be straight flow channels, which is equivalent to the parallel connection of the plurality of flow channels, so that the flow resistance of the cooling liquid is avoided being reduced, and the temperature uniformity is realized.
On the basis of the above technical solution, in order to further enable the cooling liquid in the liquid inlet flow channel 31 to be uniformly distributed to each liquid cooling section 4, in this embodiment, a plurality of second turbulence protrusions 33 with a strip-shaped structure are arranged in the liquid inlet flow channel 31 along the flowing direction thereof. Through the setting of the protruding 33 of second vortex, can flow the cooling liquid and hinder and warp, make the cooling liquid change flow direction, make the cooling liquid of certain flow under the protruding 33's of second vortex separation, change direction is smooth goes into liquid mouth 41 through each liquid cold section 4 to avoid the cooling liquid to follow sharp orientation vertical flush, cause the cooling liquid of tip liquid cold section 4 to let in the flow too much, cause different battery module temperature uniformity poor.
This embodiment still discloses the battery package, include the liquid cooling board, still include a plurality of battery modules, the battery module is arranged by a plurality of battery cells and forms, the bottom surface of each battery module is connected with the 1 surface of liquid cooling upper plate that liquid cooling section 4 corresponds respectively. Through the arrangement of the flow channel structure in the liquid cooling plate, the heat exchange uniformity of each battery module can be realized, so that the battery pack can be well cooled, and the service life of the battery pack is prolonged.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A liquid cooling plate comprises a liquid cooling upper plate (1) and a liquid cooling lower plate (2), wherein the liquid cooling upper plate (1) and the liquid cooling lower plate (2) are connected up and down, a groove is formed in the surface, facing the liquid cooling upper plate (1), of the liquid cooling lower plate (2), and the surface, facing the liquid cooling lower plate (2), of the liquid cooling upper plate (1) and the groove are matched together to form a flow channel structure for cooling a battery module;
the method is characterized in that: the flow channel structure comprises a liquid inlet section (3), a liquid cooling section (4) and a liquid outlet section (5), wherein the liquid inlet section (3) is communicated with the liquid outlet section (5) through the liquid cooling section (4); wherein,
the liquid cooling sections (4) are linearly arranged at equal intervals, each liquid cooling section (4) is independently matched with one battery module, each liquid cooling section (4) comprises a liquid inlet (41) and two symmetrically arranged cooling flow channels (42), each cooling flow channel (42) is arranged in a shape of a Chinese character 'hui', and the liquid inlets (41) are connected with liquid inlet ends of the two cooling flow channels (42) in parallel;
the liquid inlet sections (3) are respectively connected with the liquid inlets (41) in the liquid cooling sections (4) in parallel;
and the liquid outlet sections (5) are respectively connected with the liquid outlet ends of the cooling flow channels (42) in the liquid cooling sections (4) in parallel.
2. The liquid cooled plate of claim 1 wherein: the feed liquor section (3) comprises a feed liquor flow passage (31) and a feed liquor inlet (32), wherein the feed liquor flow passage (31) is positioned in the middle of one end of the liquid cooling lower plate (2) in the length direction, the feed liquor inlet (32) is positioned on the liquid cooling upper plate (1) and is just opposite to the feed liquor flow passage (31), and a feed liquor pipe (11) is arranged on the feed liquor inlet (32).
3. The liquid cooled plate of claim 2 wherein: go out liquid section (5) including going out liquid and converging flow channel (51), flowing back flow channel (52) and liquid outlet (53), go out liquid and converge flow channel (51) and be located the one end that inlet fluid flow channel (31) were kept away from in liquid cooling hypoplastron (2), liquid cooling section (4) are located liquid and converge between flow channel and the inlet fluid flow channel (31), go out liquid and converge flow channel (51) and connect in parallel with the play liquid end of cooling runner (42) in each liquid cooling section (4) respectively, and flowing back flow channel (52) are located inlet fluid flow channel (31) hypoplastron (2) on one side, and flowing back flow channel (52) and going out liquid converge flow channel (51) and be connected, liquid outlet (53) are located on liquid cooling upper plate (1) and just to flowing back flow channel (52), be provided with drain pipe (12) on liquid outlet (53).
4. The liquid-cooled panel of claim 3, wherein: a plurality of first turbulence protrusions (43) of strip structures are arranged between two cooling channels (42) in the liquid cooling section (4) at equal intervals along the direction of the cooling liquid channels, and the first turbulence protrusions (43) are opposite to the liquid inlet (41).
5. The liquid-cooled panel of claim 4, wherein: the opening sizes of the liquid inlets (41) on the liquid cooling sections (4) are consistent.
6. The liquid-cooled panel of claim 4, wherein: the liquid outlet end of the cooling flow passage (42) on the liquid cooling section (4) close to the liquid drainage flow passage (52) and the liquid outlet confluence flow passage (51) are connected with the liquid drainage flow passage (52) in parallel.
7. The liquid cooled plate of claim 6 wherein: the liquid inlet (32) is positioned at one end of the liquid inlet flow channel (31) far away from the liquid drainage flow channel (52), the size of a liquid inlet (41) on the liquid cooling section (4) close to the liquid drainage flow channel (52) is smaller than that of liquid inlets (41) on other liquid cooling sections (4), and two cooling flow channels (42) corresponding to the liquid inlets (41) are straight flow channels.
8. The liquid-cooled panel of claim 7, wherein: the liquid inlet flow channel (31) is provided with a plurality of second turbulence protrusions (33) with strip structures along the flowing direction.
9. A battery pack comprising a liquid-cooled plate according to any one of claims 1 to 8, further comprising a plurality of battery modules, wherein the bottom surface of each battery module is connected to the surface of the liquid-cooled upper plate (1) corresponding to the liquid-cooled section (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103522.7U CN217933986U (en) | 2022-08-09 | 2022-08-09 | Liquid cooling board and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222103522.7U CN217933986U (en) | 2022-08-09 | 2022-08-09 | Liquid cooling board and battery package |
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| Publication Number | Publication Date |
|---|---|
| CN217933986U true CN217933986U (en) | 2022-11-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222103522.7U Active CN217933986U (en) | 2022-08-09 | 2022-08-09 | Liquid cooling board and battery package |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487772A (en) * | 2023-06-21 | 2023-07-25 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116487772A (en) * | 2023-06-21 | 2023-07-25 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
| CN116487772B (en) * | 2023-06-21 | 2023-10-13 | 厦门海辰储能科技股份有限公司 | Liquid cooling plate and battery module |
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