CN210692720U - Immersed liquid-cooled battery pack - Google Patents
Immersed liquid-cooled battery pack Download PDFInfo
- Publication number
- CN210692720U CN210692720U CN201921987622.2U CN201921987622U CN210692720U CN 210692720 U CN210692720 U CN 210692720U CN 201921987622 U CN201921987622 U CN 201921987622U CN 210692720 U CN210692720 U CN 210692720U
- Authority
- CN
- China
- Prior art keywords
- box
- battery
- liquid
- fan
- lower box
- 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.)
- Active
Links
Images
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
Landscapes
- Secondary Cells (AREA)
Abstract
The utility model provides an submergence formula liquid cooling battery package, include: a box cover; a battery case forming a sealed space with the case cover; the steam guide plate is a wedge-shaped plate with the middle part protruding upwards; the battery box is arranged in the middle of the battery box and is divided into an upper box and a lower box; the steam hole is positioned in the middle of the steam guide plate and is communicated with the upper box and the lower box; two liquid leakage grooves are formed in total, are respectively arranged at two sides of the steam guide plate and are communicated with the upper box and the lower box; the battery is fixedly installed in the lower box; cooling liquid is injected into the lower box to soak the battery, and the cooling liquid is low-boiling-point and insulating liquid with the boiling point of 30-70 ℃; the power fan is arranged and fixed on the steam hole on the steam guide plate; the stirring fan is installed and fixed at the bottom of the lower box and is soaked by the cooling liquid; the heat radiation fan is fixedly arranged on the box cover; the rotating shaft is a rotating shaft which is fixedly arranged on the power fan, the stirring fan and the cooling fan together.
Description
Technical Field
The utility model relates to an submergence formula liquid cooling battery package.
Background
At present, the shortage and consumption of petroleum cause huge burden of the country, the development of environmental awareness and humanistic environment also puts forward requirements on transportation tools, so the development prospect of new energy vehicles is wide, one of the problems of the new energy vehicles is to solve the problems of endurance and safety, and the heat dissipation of batteries is a key part of the new energy vehicles.
Generally, the higher the power is, the higher the charge-discharge multiplying power required by the battery is, and the larger the heat generation quantity is; in some high-power application occasions, such as energy storage frequency modulation, in order to adapt to high-power application, the charge-discharge multiplying power can be reduced only by increasing the battery capacity, so that the battery cost is increased; in addition, when the battery is out of control due to heat, a large amount of heat is generated instantly, and at the moment, if the heat dissipation system is not in time to cool the battery, the danger of fire and explosion is caused; how to improve the heat dissipation effect of the battery is the key to solve the problems.
At present, for the battery loaded with the battery, the heat dissipation modes are mainly divided into direct cooling, air cooling and liquid cooling, the direct cooling is not uniform, and the cooling effect is not good; the air cooling is slow, the temperature reduction is uneven, and the cooling effect is poor; the liquid cooling mode utilizes cooling liquid circulation to dissipate heat, liquid cooling pipelines need to be arranged, a large amount of space is occupied, the system is complex and high in manufacturing cost, and liquid leakage hidden danger exists, so that the three modes cannot meet the requirement of battery heat dissipation in high-power application occasions.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned defect, provide one kind and make the battery system can dispel the heat fast, the temperature keeps at certain extent, improves the submergence formula liquid cooling battery package of temperature uniformity between monomer electricity core.
The utility model adopts the following technical scheme:
an immersed liquid cooled battery pack comprising: a box cover; a battery case forming a sealed space with the case cover; the steam guide plate is a wedge-shaped plate with the middle part protruding upwards; the battery box is arranged in the middle of the battery box and is divided into an upper box and a lower box; the steam hole is positioned in the middle of the steam guide plate and is communicated with the upper box and the lower box; two liquid leakage grooves are formed in total, are respectively arranged at two sides of the steam guide plate and are communicated with the upper box and the lower box; the battery is fixedly installed in the lower box; cooling liquid is injected into the lower box, the battery is soaked, the liquid leakage groove is immersed, and the cooling liquid is low-boiling-point and insulating liquid with the boiling point of 30-70 ℃; the power fan is arranged and fixed on the steam hole on the steam guide plate; the stirring fan is installed and fixed at the bottom of the lower box and is soaked by the cooling liquid; the heat radiation fan is fixedly arranged on the box cover; the rotating shaft is a rotating shaft which is fixedly arranged on the power fan, the stirring fan and the cooling fan together.
Preferably, the cooling liquid is one of hydrofluorocarbon, hydrofluoroether, perfluorocarbon and fluorocarbon.
Preferably, the sealing of the battery box reaches the IP67 sealing protection level.
Preferably, there are multiple groups of said cells.
Preferably, the steam hole is a plurality of small holes arranged in a circumference, which is beneficial to generating steam pressure.
To sum up, the beneficial effects of the utility model are that: the cooling liquid is in direct contact with the battery, so that heat generated by the battery can be quickly absorbed, thermal runaway of the battery is inhibited, thermal diffusion is prevented, and the danger of fire and explosion caused by runaway of the battery is avoided; the battery can be used in high-power application occasions of a lithium ion battery system, such as energy storage frequency modulation and the like, can be charged and discharged at a high rate, meets the requirement of quick heat dissipation of the battery system under an extreme working condition, keeps the temperature within a certain range, improves the temperature consistency among single battery cores, has compact space volume and saves the battery cost; the utility model also has the function of automatically adjusting the heat dissipation power, when the heat generated by the battery is larger and the steam pressure is larger, the power fan rotates faster, thereby driving the heat dissipation fan to rotate faster and dissipate heat faster; meanwhile, the faster the stirring fan in the cooling liquid rotates, the faster the temperature of the cooling liquid is uniform.
Drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is an overall schematic diagram of the present invention.
Fig. 3 is a schematic view of the steam guide plate of the present invention.
Fig. 4 is a schematic view of a preferred embodiment of the steam vent of the present invention.
Detailed Description
In order to make the purpose and technical solution of the present invention clearer, the following description is made with reference to the accompanying drawings and embodiments to further explain the present invention:
an immersed liquid-cooled battery pack as shown in fig. 1-3, comprising: a case cover 11; a battery case 1 forming a sealed space with the case cover 11; the steam guide plate 2 is a wedge-shaped plate with the middle part protruding upwards; the battery box is arranged in the middle of the battery box 1 and is divided into an upper box 12 and a lower box 13; a steam hole 21 positioned in the middle of the steam guide plate 2 and communicating the upper tank 12 and the lower tank 13; two liquid leakage grooves 22 are arranged on two sides of the steam guide plate 2 respectively and are communicated with the upper box 12 and the lower box 13; the battery 4 is fixedly installed in the lower box 13; cooling liquid is injected into the lower box 13, the battery 4 is soaked, the liquid leakage groove 22 is immersed, steam is prevented from flowing out of the liquid leakage groove 22, and the cooling liquid is low-boiling-point and insulating liquid with the boiling point of 30-70 ℃; the power fan 5 is installed and fixed on the steam hole 21 on the steam guide plate 2; the stirring fan 6 is fixedly arranged at the bottom of the lower box 13 and is soaked by the cooling liquid; a heat radiation fan 7 fixed on the case cover 11; and the rotating shaft 3 is a rotating shaft which is fixedly arranged on the power fan 5, the stirring fan 6 and the heat radiation fan 7 together.
Preferably, the cooling liquid is one of hydrofluorocarbon, hydrofluoroether, perfluorocarbon and fluorocarbon.
Preferably, the sealing of the battery box 1 reaches the IP67 sealing protection level.
Preferably, there are multiple groups of said batteries 4.
Preferably, as shown in fig. 4, the steam holes 21 are a plurality of small holes arranged circumferentially to facilitate the generation of steam pressure.
The utility model discloses a working process does:
when the heat is enough, the cooling liquid boils upwards to generate steam, and the steam is collected in the steam holes under the action of the steam guide plate 2 to push the power fan 5 to rotate.
Because the power fan 5, the stirring fan 6 and the heat dissipation fan 7 are installed on the fixed rotating shaft 3 together, the power fan 5 rotates to drive the stirring fan 6 and the heat dissipation fan 7 to rotate.
The gaseous cooling liquid is liquefied after contacting the box cover 1 or the box wall of the upper box 12 and being cooled, the liquid dropped on the steam guide plate 2 flows to the liquid leakage groove 22 along the steam guide plate 2, and then flows back to the lower box 13 to continue cooling the battery 4, thereby forming a thermal loop.
When the battery 4 works, the heat generation quantity of different parts is different, and the heat in the cooling liquid is upward, so that the temperature of the upper part of the cooling liquid is higher than that of the lower part of the cooling liquid, and the temperature difference of different parts of the cooling liquid can reach about 10 ℃ through tests, thereby influencing the consistency of the battery and the service life of the battery pack; the stirring fan 6 in the cooling liquid rotates to drive the cooling liquid to flow, so that the temperature uniformity of the cooling liquid is improved, and the temperature uniformity of the battery core is improved; the cooling liquid is stirred by the stirring fan 6, so that the cooling liquid can be quickly and uniformly stirred, and the consistency of the temperature of the battery cell is ensured; in addition, the heat radiation fan 7 rotates to accelerate heat taking away and improve cooling rate.
The utility model also has the function of automatically adjusting the heat dissipation power, when the heat generated by the battery 4 is larger and the steam pressure is larger, the power fan 5 rotates faster, thereby driving the heat dissipation fan 7 to rotate faster and dissipating heat faster; and the faster the stirring fan 6 in the coolant rotates, the faster the temperature of the coolant is uniformed.
To sum up, the beneficial effects of the utility model are that: the cooling liquid is in direct contact with the battery, so that heat generated by the battery can be quickly absorbed, thermal runaway of the battery is inhibited, thermal diffusion is prevented, and the danger of fire and explosion caused by runaway of the battery is avoided; the battery can be used in high-power application occasions of a lithium ion battery system, such as energy storage frequency modulation and the like, can be charged and discharged at a high rate, meets the requirement of quick heat dissipation of the battery system under an extreme working condition, keeps the temperature within a certain range, improves the temperature consistency among single battery cores, has compact space volume and saves the battery cost; the utility model also has the function of automatically adjusting the heat dissipation power, when the heat generated by the battery is larger and the steam pressure is larger, the power fan rotates faster, thereby driving the heat dissipation fan to rotate faster and dissipate heat faster; meanwhile, the faster the stirring fan in the cooling liquid rotates, the faster the temperature of the cooling liquid is uniform.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still belong to the protection scope of the present invention.
Claims (5)
1. An immersed liquid-cooled battery pack, comprising:
a box cover;
a battery case forming a sealed space with the case cover;
the steam guide plate is a wedge-shaped plate with the middle part protruding upwards; the battery box is arranged in the middle of the battery box and is divided into an upper box and a lower box;
the steam hole is positioned in the middle of the steam guide plate and is communicated with the upper box and the lower box;
two liquid leakage grooves are formed in total, are respectively arranged at two sides of the steam guide plate and are communicated with the upper box and the lower box;
the battery is fixedly installed in the lower box;
cooling liquid is injected into the lower box, the battery is soaked, the liquid leakage groove is immersed, and the cooling liquid is low-boiling-point and insulating liquid with the boiling point of 30-70 ℃;
the power fan is arranged and fixed on the steam hole on the steam guide plate;
the stirring fan is installed and fixed at the bottom of the lower box and is soaked by the cooling liquid;
the heat radiation fan is fixedly arranged on the box cover;
the rotating shaft is a rotating shaft which is fixedly arranged on the power fan, the stirring fan and the cooling fan together.
2. An immersed liquid-cooled battery pack as claimed in claim 1, wherein:
the cooling liquid is one of hydrofluorocarbon, hydrofluoroether, perfluorocarbon and fluorocarbon.
3. An immersed liquid-cooled battery pack as claimed in claim 1, wherein:
the sealing of the battery box reaches the IP67 sealing protection grade.
4. An immersed liquid-cooled battery pack as claimed in claim 1, wherein:
the batteries have a plurality of groups.
5. An immersed liquid-cooled battery pack as claimed in claim 1, wherein:
the steam hole is a plurality of small holes which are circumferentially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987622.2U CN210692720U (en) | 2019-11-18 | 2019-11-18 | Immersed liquid-cooled battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987622.2U CN210692720U (en) | 2019-11-18 | 2019-11-18 | Immersed liquid-cooled battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210692720U true CN210692720U (en) | 2020-06-05 |
Family
ID=70897720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921987622.2U Active CN210692720U (en) | 2019-11-18 | 2019-11-18 | Immersed liquid-cooled battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210692720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113784587A (en) * | 2021-08-31 | 2021-12-10 | 兰洋(宁波)科技有限公司 | Server immersion type liquid cooling system |
| CN113849054A (en) * | 2021-08-31 | 2021-12-28 | 兰洋(宁波)科技有限公司 | Immersed liquid cooling heat dissipation system applied to data center |
-
2019
- 2019-11-18 CN CN201921987622.2U patent/CN210692720U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113784587A (en) * | 2021-08-31 | 2021-12-10 | 兰洋(宁波)科技有限公司 | Server immersion type liquid cooling system |
| CN113849054A (en) * | 2021-08-31 | 2021-12-28 | 兰洋(宁波)科技有限公司 | Immersed liquid cooling heat dissipation system applied to data center |
| CN113784587B (en) * | 2021-08-31 | 2023-06-13 | 兰洋(宁波)科技有限公司 | Server immersion type liquid cooling system |
| CN113849054B (en) * | 2021-08-31 | 2024-03-26 | 兰洋(宁波)科技有限公司 | Submerged liquid cooling heat dissipation system applied to data center |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110729526A (en) | Immersed liquid-cooled battery pack | |
| CN210692720U (en) | Immersed liquid-cooled battery pack | |
| CN103682517A (en) | Combined heat dissipation device of power battery pack | |
| CN107871915B (en) | Hybrid power supply of fuel cell and storage battery and thermal management method | |
| CN109768194A (en) | It is a kind of based on phase-change material-fin composite construction lithium ion battery mould group heat management system | |
| CN106684504A (en) | Half-immersion type liquid-cooling safety battery bag | |
| CN114156560A (en) | Immersed liquid cooling heat dissipation module and heat dissipation method | |
| CN106816564A (en) | The cold safety battery bag of complete immersion formula liquid | |
| CN211879414U (en) | Sealed heat dissipation battery pack | |
| CN203644903U (en) | Composite heat dissipation device for traction battery pack | |
| CN116130834A (en) | Immersed liquid cooling energy storage battery pack structure | |
| CN210379345U (en) | Liquid cooling system of power battery | |
| CN103367835A (en) | Power battery thermal management system based on loop heat pipes | |
| CN114335858A (en) | Lithium ion battery box suitable for high-voltage energy storage system and heat dissipation method | |
| CN213546483U (en) | Simple and easy fuel motor vehicle starts lithium cell thermostated container | |
| CN218472082U (en) | Immersed liquid cooling energy storage battery module | |
| CN112490537A (en) | Immersed cooling mechanism of lithium ion battery and lithium ion battery module | |
| CN111477778A (en) | Sealed heat dissipation battery pack | |
| CN110544807A (en) | Liquid cooling system of power battery and control method thereof | |
| CN111682281A (en) | Cylindrical lithium battery monomer and battery pack based on heat pipe cooling | |
| CN112086705A (en) | Power battery heat dissipation method based on ionic liquid phase change material and liquid cooling | |
| CN206893643U (en) | The cold safety battery bag of complete immersion formula liquid | |
| CN113488720A (en) | Lithium battery pack cooling device based on drainage distributed fluid | |
| Hai et al. | Experimental analysis of thermal management system of lithium ion power battery based on liquid medium | |
| CN203339278U (en) | Power battery thermal management system based on loop heat pipes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |