CN220604791U - Liquid cooling plate and battery module - Google Patents
Liquid cooling plate and battery module Download PDFInfo
- Publication number
- CN220604791U CN220604791U CN202322292114.5U CN202322292114U CN220604791U CN 220604791 U CN220604791 U CN 220604791U CN 202322292114 U CN202322292114 U CN 202322292114U CN 220604791 U CN220604791 U CN 220604791U
- Authority
- CN
- China
- Prior art keywords
- liquid cooling
- plate
- channel
- profile
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001816 cooling Methods 0.000 title claims abstract description 129
- 239000007788 liquid Substances 0.000 title claims abstract description 122
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000005192 partition Methods 0.000 claims description 14
- 239000000919 ceramic Substances 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 2
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram 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
- 239000000843 powder Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010959 steel Substances 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
Abstract
The utility model belongs to the field of lithium ion batteries, and particularly relates to a liquid cooling plate and a battery module, which comprise a section bar plate; the section plate is a plate with a plurality of square section channels arranged inside; the section bar channel in the middle of the section bar plate is used as a liquid cooling channel; the section bar channels on two sides of the liquid cooling channel are used as heating channels; the section plate is provided with a liquid cooling inlet and a liquid cooling outlet; the liquid cooling inlet and the liquid cooling outlet are respectively connected with the liquid cooling channel; the section plate is provided with a positioning and mounting component connected with the module. According to the utility model, the liquid cooling channel and the heating channel which integrate the cooling function and the heating function are arranged on the sectional material plate, so that the heating or cooling of the module can be finished, and the space utilization rate is high.
Description
Technical Field
The utility model belongs to the field of lithium ion batteries, and particularly relates to a liquid cooling plate and a battery module.
Background
The new energy automobile is rapidly developed, and the power battery is used as a main power source of the new energy automobile, so that the overall performance of the new energy automobile is obviously affected by temperature. The temperature is too low or too high to cause that the battery cell cannot work normally, so that the temperature of the battery cell needs to be reasonably controlled in a proper interval, when the temperature of the battery cell (module) is too low, the battery cell needs to be heated, and when the temperature of the battery cell is too high, the battery cell needs to be cooled. However, the prior art generally adopts two sets of structures to realize the functions of heating and cooling, so that the structure is complex, the space utilization rate is low, the heating efficiency is low, and the cost is high.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a liquid cooling plate and a battery module.
The utility model adopts the following technical scheme to realize the aim:
a liquid cooling plate comprises a section plate; the section plate is a plate with a plurality of square section channels arranged inside; the section bar channel in the middle of the section bar plate is used as a liquid cooling channel; the section bar channels on the left side and the right side of the liquid cooling channel are used as heating channels; the section plate is provided with a liquid cooling inlet and a liquid cooling outlet; the liquid cooling inlet and the liquid cooling outlet are respectively connected with the liquid cooling channel; the profile plate is provided with a positioning and mounting component connected with the module.
A PTC ceramic plate is arranged in the heating channel; the PTC ceramic sheet is connected with the PTC connector.
The number of the section channels serving as the liquid cooling channels is multiple.
A baffle plate attached to the inner wall of the section bar channel is arranged in each section bar channel serving as a liquid cooling channel.
The front side and the rear side of the liquid cooling channel on the section plate are converging ends; the converging end is respectively provided with a first liquid cooling plug and a second liquid cooling plug; the partition plate adjacent to the liquid cooling inlet is extended to the first liquid cooling plug, and the partition plate adjacent to the liquid cooling outlet is extended to the second liquid cooling plug; the first liquid cooling plug, the second liquid cooling plug, the plurality of liquid cooling runners and the partition plate form an integral S-shaped liquid cooling channel.
The liquid cooling inlet and the liquid cooling outlet are respectively arranged at opposite angles of the section bar plate above the liquid cooling channel.
The positioning and mounting parts are arranged on the fastening connection parts on two sides of the section bar plate in the length direction; the positioning and mounting component comprises a positioning pin, a positioning hole and a mounting hole.
The two locating pins and the two locating holes are arranged at the opposite angles of the profile plate.
The mounting holes are formed in two sides of the section bar plate in the length direction, and 3 mounting holes are formed in the fastening connection portion of the section bar plate on each side.
The utility model also comprises a battery module, which comprises the liquid cooling plate and a module; the liquid cooling plate and the module are connected through a positioning and mounting component.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the liquid cooling channel and the heating channel which integrate the cooling function and the heating function are arranged on the sectional material plate, so that the heating or cooling of the module can be finished, and the space utilization rate is high. And positioning pins, positioning holes and mounting holes are formed in the fastening connection parts on two sides of the profile plate, so that the mounting accuracy and strength are guaranteed. Meanwhile, the liquid cooling channels can be formed into an S shape through the combination of the partition plate, the first liquid cooling plugs and the second liquid cooling plugs, so that the liquid cooling area is increased, the temperature difference between the electric cores is reduced, and the circulation performance of the electric cores is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a liquid cooling plate according to an embodiment of the present utility model;
FIG. 2 is a side view of a liquid cooling plate according to an embodiment of the present utility model;
FIG. 3 is a front view of a liquid cooling plate according to an embodiment of the present utility model;
FIG. 4 is a side cross-sectional view of a liquid cooling plate according to an embodiment of the present utility model;
fig. 5 is a schematic view of a battery module according to an embodiment of the utility model.
Detailed Description
The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model.
FIGS. 1-4 illustrate a liquid cooling plate comprising a profiled plate 10; the section plate is a plate with a plurality of square section channels arranged inside; the section bar channel in the middle of the section bar plate is used as a liquid cooling channel 101; the section bar channels on the left side and the right side of the liquid cooling channel 101 are used as heating channels 102; the section plate is provided with a male connector 20, and the male connector 20 comprises a liquid cooling outlet and a liquid cooling inlet; the liquid cooling inlet and the liquid cooling outlet are connected with the liquid cooling channel 101; the profile plate is provided with a positioning and mounting component connected with the module.
The profile plate 10 is made of aluminum profiles; as one form of embodiment, the liquid cooling inlet and the liquid cooling outlet are respectively disposed at opposite corners of the profile plate 10 above the liquid cooling channel 101.
A PTC ceramic plate (positive temperature coefficient ceramic plate) is disposed in the heating channel 102. The PTC ceramic sheets are connected to a PTC connector 60. In the embodiment of the application, two heating channels 102 are respectively arranged at two sides of the liquid cooling channel, so that the heating rate can be improved by the two heating channels, and the charging time can be shortened; the heating channel 102 is filled with PTC ceramic sheets; the PTC ceramic plate is heated through the sectional material plate, so that the temperature of the battery cells can be balanced during heating, the temperature difference between the battery cells is reduced, and the circulation performance of the battery cells is improved. The PTC connector 60 connected to the PTC ceramic sheet is led out from one side of the heating channel 102, and may be used for electrically connecting to the PTC ceramic sheet to supply power.
The number of the section channels serving as the liquid cooling channels is multiple. In the embodiment of the application, 6 strips are adopted; the partition 1010 attached to the inner wall of the section bar channel is arranged in the section bar channel as a liquid cooling channel, and the partition can improve the strength of the section bar plate.
Two sides of the liquid cooling channel on the section plate are converging ends; the converging ends are respectively provided with a first liquid cooling plug 70 and a second liquid cooling plug 80; the partition 1010 adjacent the liquid cooling inlet extends to the first liquid cooling plug 70 and the partition 1010 adjacent the liquid cooling outlet extends to the second liquid cooling plug 80; the first liquid cooling plug, the second liquid cooling plug, the plurality of liquid cooling runners and the partition plate form an integral S-shaped liquid cooling channel (shown in fig. 3). The S-shaped liquid cooling channel can reduce the temperature difference between the battery cells and improve the cycle performance of the battery cells;
the positioning and mounting parts are arranged on the fastening connection parts 103 on two sides of the section bar plate in the length direction; the positioning and mounting member includes a positioning pin 30, a positioning hole, and a mounting hole 501.
The positioning holes comprise a first positioning hole 401 and a second positioning hole 402, which are arranged at opposite angles of the profile plate. The number of the positioning pins 30 is two, and the positioning pins are arranged at the opposite angles of the profile plate. The design of the locating pin and the locating hole is convenient and the relative position of the module is limited.
The mounting holes 501 are formed on two sides of the profile plate in the length direction, and 3 mounting holes are formed on one side of each profile plate. And the steel shaft sleeve is arranged at the mounting hole, so that the mounting strength is improved.
If the liquid cooling plate has insulation requirements, the powder spraying technology is preferable to increase the insulation property of the liquid cooling plate.
The technical scheme of the application also comprises a battery module, which comprises a liquid cooling plate and a liquid cooling plate upper part placing module 90 (shown in fig. 4); the module is connected with the liquid cooling plate through mounting fixing screws 901 in the mounting holes 501; and a heat-conducting material layer is required to be filled between the liquid cooling plate and the module, and the heat-conducting material layer can be a heat-conducting adhesive layer or a heat-conducting silica gel pad. The lower part of the liquid cooling plate is provided with a plurality of supporting materials, and the supporting materials are preferably CR foam; the CR foam and the liquid cooling plate are preferably bonded.
According to the utility model, the liquid cooling channel and the heating channel which integrate the cooling function and the heating function are arranged on the sectional material plate, so that the heating or cooling of the module can be finished, and the space utilization rate is high. And positioning pins, positioning holes and mounting holes are formed in the fastening connection parts on two sides of the profile plate, so that the mounting accuracy and strength are guaranteed. Meanwhile, the liquid cooling channels can be formed into an S shape through the combination of the partition plate, the first liquid cooling plugs and the second liquid cooling plugs, so that the liquid cooling area is increased, the temperature difference between the electric cores is reduced, and the circulation performance of the electric cores is improved.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. The liquid cooling plate is characterized by comprising a profile plate; the section plate is a plate with a plurality of square section channels arranged inside; the section bar channel in the middle of the section bar plate is used as a liquid cooling channel; the section bar channels on the left side and the right side of the liquid cooling channel are used as heating channels; the section plate is provided with a liquid cooling inlet and a liquid cooling outlet; the liquid cooling inlet and the liquid cooling outlet are respectively connected with the liquid cooling channel; the profile plate is provided with a positioning and mounting component connected with the module.
2. The liquid cooling plate according to claim 1, wherein a PTC ceramic sheet is disposed in the heating channel; the PTC ceramic sheet is connected with the PTC connector.
3. The liquid cooling plate according to claim 1, wherein a plurality of profile channels are provided as the liquid cooling channels.
4. The liquid cooling plate according to claim 1, wherein a partition plate attached to an inner wall of the profile passage is provided in the profile passage as the liquid cooling passage.
5. The liquid cooling plate according to claim 4, wherein the front side and the rear side of the liquid cooling channel on the profile plate are converging ends; the converging end is respectively provided with a first liquid cooling plug and a second liquid cooling plug; the partition plate adjacent to the liquid cooling inlet is extended to the first liquid cooling plug, and the partition plate adjacent to the liquid cooling outlet is extended to the second liquid cooling plug; the first liquid cooling plug, the second liquid cooling plug, the plurality of liquid cooling runners and the partition plate form an integral S-shaped liquid cooling channel.
6. The liquid cooling plate according to claim 1, wherein the liquid cooling inlet and the liquid cooling outlet are respectively arranged at opposite angles of the profile plate above the liquid cooling channel.
7. The liquid cooling plate according to claim 1, wherein the positioning and mounting members are provided on fastening connection portions on both sides in the longitudinal direction of the profile plate; the positioning and mounting component comprises a positioning pin, a positioning hole and a mounting hole.
8. The liquid cooling plate according to claim 7, wherein the two positioning pins and the two positioning holes are arranged at opposite angles of the profile plate.
9. The liquid cooling plate according to claim 7, wherein the mounting holes are formed on both sides of the profile plate in the longitudinal direction, and 3 mounting holes are formed on the fastening connection portion of each profile plate.
10. A battery module comprising the liquid cooling plate according to any one of claims 1 to 9 and a module; the liquid cooling plate and the module are connected through a positioning and mounting component; and a heat conducting material is filled between the liquid cooling plate and the module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322292114.5U CN220604791U (en) | 2023-08-25 | 2023-08-25 | Liquid cooling plate and battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322292114.5U CN220604791U (en) | 2023-08-25 | 2023-08-25 | Liquid cooling plate and battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220604791U true CN220604791U (en) | 2024-03-15 |
Family
ID=90173343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322292114.5U Active CN220604791U (en) | 2023-08-25 | 2023-08-25 | Liquid cooling plate and battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220604791U (en) |
-
2023
- 2023-08-25 CN CN202322292114.5U patent/CN220604791U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |