CN112490563A - Battery box - Google Patents
Battery box Download PDFInfo
- Publication number
- CN112490563A CN112490563A CN202011369123.4A CN202011369123A CN112490563A CN 112490563 A CN112490563 A CN 112490563A CN 202011369123 A CN202011369123 A CN 202011369123A CN 112490563 A CN112490563 A CN 112490563A
- Authority
- CN
- China
- Prior art keywords
- battery
- liquid cooling
- cooling plate
- battery box
- box body
- 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.)
- Withdrawn
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
本发明公开了一种电池箱，包括位于电池两端的液冷板，液冷板在靠近电池一侧固接有支架；支架一侧形成有套设在电池端部的定位孔，另一侧固接有限位台；限位台一端延伸至定位孔轴向一侧，从而限位台背面和电池端面抵接，限位台正面和液冷板的热交换面抵接。本发明所述的电池箱，电池通过支架的限位配合，使电池的热量通过电池端面+极柱+汇流排通过导热硅脂传导至液冷板，导热面较传统的有了极大的改善，达到提高散热效率的效果，电池支架和液冷板通过若干个定位孔配合限位，使电池在复杂振动工况下，电池和液冷板不会产生错位抖动，提高电池箱的抗振性能，提高电池箱的使用寿命。
The invention discloses a battery box, comprising liquid cooling plates located at both ends of the battery, the liquid cooling plates are fixedly connected with a bracket on one side close to the battery; Connect to the limit stage; one end of the limit stage extends to the axial side of the positioning hole, so that the back of the limit stage is in contact with the end face of the battery, and the front of the limit stage is in contact with the heat exchange surface of the liquid cooling plate. In the battery box of the present invention, the battery is matched by the limit of the bracket, so that the heat of the battery is conducted to the liquid cold plate through the battery end face + pole + busbar through thermal conductive silicone grease, and the thermal conductive surface is greatly improved compared with the traditional one. , to achieve the effect of improving the heat dissipation efficiency, the battery bracket and the liquid-cooling plate are limited by several positioning holes, so that the battery and the liquid-cooling plate will not be dislocated and shaken under complex vibration conditions, and the anti-vibration performance of the battery box can be improved. , improve the service life of the battery box.
Description
Technical Field
The invention belongs to the field of vehicle-mounted batteries, and particularly relates to a battery box.
Background
In the technical field of lithium battery boxes, the problem that thermal runaway of a battery box is a key point for improving safety usability of the battery box is solved, liquid cooling becomes a main method for thermal runaway management of the battery box, due to the special curved surface structure of a cylindrical battery, a heat conduction method which is commonly used by using two polar cylindrical surfaces of the cylindrical battery as heat conduction surfaces in the structure of the liquid cooling battery box is adopted, and a heat conduction route for heat dissipation is battery-battery pole-welding point-bus bar-heat conduction silica gel pad-liquid cooling plate, so that the heat conduction route has the following problems:
1) the welding cross-section of the post of the cylindrical battery and the busbar is small, the heat transfer efficiency is low, the heat of the battery cannot be quickly transferred to the liquid cooling plate, and the overall heat dissipation efficiency of the battery box is not high.
2) The heat conduction silica gel pad plays heat conduction insulating effect, but its intensity and coefficient of heat conductivity and insulating coefficient are the inverse ratio, and under the higher condition of shock strength, the shake dislocation of battery and liquid cold drawing can produce the damage to heat conduction silica gel pad, directly influences the safe in utilization and the life of battery box.
Disclosure of Invention
The invention aims to provide a battery box to solve the problem of low heat dissipation efficiency.
In order to achieve the purpose, the specific technical scheme of the battery box is as follows:
a battery box comprises liquid cooling plates positioned at two ends of a battery, wherein a bracket is fixedly connected to one side of the liquid cooling plate, which is close to the battery; one side of the bracket is provided with a positioning hole sleeved at the end part of the battery, and the other side of the bracket is fixedly connected with a limiting table; spacing platform one end extends to locating hole axial one side to spacing platform back and battery terminal surface butt, the heat exchange surface butt of spacing platform front and liquid cooling plate.
Furthermore, heat conducting paste is filled between the end face of the battery and the heat exchange surface of the liquid cooling plate.
Furthermore, the number of the batteries is at least two, the positioning holes are uniformly arrayed on the support, and the limiting table is fixed on part of the support between the adjacent positioning holes.
Further, the border butt of spacing platform and battery, the rigid coupling has the busbar between the adjacent spacing platform, and the busbar both ends respectively with adjacent battery welding to make the battery connect electrically in proper order.
Furthermore, the heat conducting paste is filled around the bus bar.
Furthermore, a groove is formed on the back surface of the liquid cooling plate, and the support is embedded in the groove.
Furthermore, the liquid cooling plate is fixedly connected with a positioning boss on the heat exchange surface, and the surface of the limiting table is provided with a jack for the insertion of the positioning boss.
Furthermore, the battery box also comprises a box body, the inner cavity of the box body is used for placing batteries, openings for sealing the liquid cooling plates are formed on two sides of the box body, and the liquid cooling plates are fixedly connected with the box body, so that the batteries are clamped between the two liquid cooling plates.
Furthermore, the box body is provided with a flange at the outer side of the opening, and the edge of the liquid cooling plate is connected with the flange through a bolt.
Furthermore, a sealing ring is clamped between the box body and the liquid cooling plate.
The battery box of the invention has the following advantages: the battery passes through the spacing cooperation of support, and the heat that makes the battery passes through battery terminal surface + utmost point post + busbar and conducts to the liquid cooling board through heat conduction silicone grease, and the heat-conducting surface has very big improvement than traditional, reaches the effect that improves the radiating efficiency, and battery support and liquid cooling board are spacing through the cooperation of a plurality of locating hole, make the battery under complicated vibration operating mode, and battery and liquid cooling board can not produce the dislocation shake, improve the anti vibration performance of battery box, improve the life of battery box.
Drawings
FIG. 1 is an exploded view of a battery case of the present invention;
FIG. 2 is a cross-sectional view of a battery case of the present invention;
FIG. 3 is a schematic view of the stent structure of the present invention;
fig. 4 is a schematic diagram of a liquid cooling plate structure according to the present invention.
The notation in the figure is:
1. a battery; 2. a liquid-cooled plate; 21. a groove; 22. positioning the boss; 23. a trench; 3. a support; 31. positioning holes; 32. a limiting table; 321. a jack; 4. a bus bar; 5. a box body; 51. flanging; 6. a seal ring; 7. and (4) heat conducting paste.
Detailed Description
For better understanding of the objects, structure and functions of the present invention, a battery case according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the battery box of the present invention includes a liquid cooling plate 2 located at two ends of a battery 1, wherein a bracket 3 is fixedly connected to the liquid cooling plate 2 at a side close to the battery 1; a positioning hole 31 sleeved on the end part of the battery 1 is formed on one side of the bracket 3, and a limiting table 32 is fixedly connected to the other side of the bracket; one end of the limiting table 32 extends to one axial side of the positioning hole 31, so that the back surface of the limiting table 32 is abutted against the end surface of the battery 1, and the front surface of the limiting table 32 is abutted against the heat exchange surface of the liquid cooling plate 2, so that the liquid cooling plate 2 and the battery 1 are relatively fixed; and a heat conducting paste 7 is filled between the end face of the battery 1 and the heat exchange surface of the liquid cooling plate 2 so as to ensure the heat conducting efficiency. The thermal paste 7, i.e., thermal silicone grease, is a thermal conductive material that is commonly used in the art.
The battery 1 is provided with at least two positioning holes 31 which are uniformly arrayed on the bracket 3, and the limiting table 32 is fixed on the part of the bracket 3 between the adjacent positioning holes 31. The limiting tables 32 are abutted to the edges of the batteries 1, a bus bar 4 is fixedly connected between the adjacent limiting tables 32, and two ends of the bus bar 4 are respectively welded with the adjacent batteries 1, so that the batteries 1 are sequentially and electrically connected. Accordingly, the bus bar 4 and the heat exchange surface of the liquid cooling plate 2 are formed with a safety distance by the height limitation of the limiting table 32, and the heat conductive paste 7 is filled around the bus bar 4.
In order to ensure that the bracket 3 and the liquid cooling plate 2 are fixed, a groove 21 is formed in the back of the liquid cooling plate 2, and the bracket 3 is embedded in the groove 21. The bottom surface of the groove 21 is a heat exchange surface, the liquid cooling plate 2 is fixedly connected with a positioning boss 22 on the heat exchange surface, and the surface of the limiting table 32 is provided with an insertion hole 321 for the insertion of the positioning boss 22. Thereby fixing the liquid-cooled panel 2 and the bracket 3.
The battery box also comprises a box body 5, the inner cavity of the box body 5 is used for placing a battery 1, openings for sealing the liquid cooling plates 2 are formed on two sides of the box body 5, and the liquid cooling plates 2 are fixedly connected with the box body 5, so that the battery 1 is clamped between the two liquid cooling plates 2. Specifically, the box 5 is formed with a flange 51 at the outside of the opening, and the edge of the liquid cooling plate 2 is connected with the flange 51 by bolts.
In order to ensure the sealing of the battery box, a sealing ring 6 is clamped between the box body 5 and the liquid cooling plate 2. Correspondingly, the edge of the liquid cooling plate 2 is provided with a groove 23, and one side of the sealing ring 6 is sleeved in the groove 23.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A battery box is characterized by comprising liquid cooling plates (2) positioned at two ends of a battery (1), wherein a support (3) is fixedly connected to one side, close to the battery (1), of each liquid cooling plate (2); one side of the bracket (3) is provided with a positioning hole (31) sleeved on the end part of the battery (1), and the other side is fixedly connected with a limiting table (32); one end of the limiting table (32) extends to one axial side of the positioning hole (31), so that the back surface of the limiting table (32) is abutted against the end surface of the battery (1), and the front surface of the limiting table (32) is abutted against the heat exchange surface of the liquid cooling plate (2).
2. The battery box according to claim 1, characterized in that a heat conductive paste (7) is filled between the end face of the battery (1) and the heat exchange surface of the liquid cooling plate (2).
3. A battery box according to claim 2, characterized in that the number of the batteries (1) is at least two, the positioning holes (31) are evenly arrayed on the support (3), and the limiting table (32) is fixed on the part of the support (3) between the adjacent positioning holes (31).
4. The battery box according to claim 3, characterized in that the limiting tables (32) are abutted against the edges of the batteries (1), a bus bar (4) is fixedly connected between the adjacent limiting tables (32), and two ends of the bus bar (4) are respectively welded with the adjacent batteries (1), so that the batteries (1) are electrically connected in sequence.
5. The battery case according to claim 4, wherein the heat conductive paste (7) is filled around the bus bar.
6. The battery box according to claim 1, characterized in that a groove (21) is formed on the back of the liquid cooling plate (2), and the bracket (3) is embedded in the groove (21).
7. The battery box according to claim 6, characterized in that the liquid cooling plate (2) is fixedly connected with a positioning boss (22) on the heat exchange surface, and the limiting table (32) is provided with a jack (321) for the insertion of the positioning boss (22).
8. The battery box according to claim 1, characterized by further comprising a box body (5), wherein the inner cavity of the box body (5) is used for placing the battery (1), openings closed by the liquid cooling plates (2) are formed on two sides of the box body (5), and the liquid cooling plates (2) are fixedly connected with the box body (5), so that the battery (1) is clamped between the two liquid cooling plates (2).
9. The battery box according to claim 8, characterized in that the box body (5) is formed with a flange (51) outside the opening, and the edge of the liquid cooling plate (2) is bolted to the flange (51).
10. The battery box according to claim 8, characterized in that a seal ring (6) is clamped between the box body (5) and the liquid cooling plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011369123.4A CN112490563A (en) | 2020-11-30 | 2020-11-30 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011369123.4A CN112490563A (en) | 2020-11-30 | 2020-11-30 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112490563A true CN112490563A (en) | 2021-03-12 |
Family
ID=74936954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011369123.4A Withdrawn CN112490563A (en) | 2020-11-30 | 2020-11-30 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112490563A (en) |
-
2020
- 2020-11-30 CN CN202011369123.4A patent/CN112490563A/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: 519040 area a, No.2 factory building, No.16 Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Gree titanium Electric Appliance Co.,Ltd. Applicant after: YINLONG ENERGY Co.,Ltd. Address before: Zone A, Building 2, No. 16 Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI YINLONG ELECTRICAL APPLIANCE Co.,Ltd. Country or region before: China Applicant before: YINLONG ENERGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Country or region after: China Address after: Zone A, Building 2, No. 16 Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Applicant after: ZHUHAI YINLONG ELECTRICAL APPLIANCE Co.,Ltd. Applicant after: Gree titanium new energy Co.,Ltd. Address before: Zone A, Building 2, No. 16 Jinhu Road, Sanzao Town, Jinwan District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI YINLONG ELECTRICAL APPLIANCE Co.,Ltd. Country or region before: China Applicant before: YINLONG ENERGY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210312 |
|
| WW01 | Invention patent application withdrawn after publication |