CN210296567U - Battery liquid cooling system - Google Patents
Battery liquid cooling system Download PDFInfo
- Publication number
- CN210296567U CN210296567U CN201921395171.3U CN201921395171U CN210296567U CN 210296567 U CN210296567 U CN 210296567U CN 201921395171 U CN201921395171 U CN 201921395171U CN 210296567 U CN210296567 U CN 210296567U
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- battery
- liquid cooling
- battery module
- temperature
- management system
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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 is suitable for a power battery technical field provides a battery liquid cooling system, include: the battery pack consists of battery modules, and the bottom of each battery module is provided with a liquid cooling plate; the liquid cooling plate is provided with a water inlet and a water outlet, the water outlet is communicated with the water inlet of the cooling liquid storage device through the heat dissipation device, the cooling liquid storage device is internally provided with an electronic water pump, and the water outlet of the electronic water pump is communicated with the water inlet of the liquid cooling plate through an electromagnetic valve; the battery management system is arranged in the battery pack; the temperature sensor is arranged in each battery module; the temperature sensor is connected with a battery management system, and the battery management system is connected with each electromagnetic valve, the electronic water pump and the heat dissipation device. The utility model provides an inside battery module's of battery liquid cooling system control battery temperature is in below the temperature default, avoids the high temperature of single battery module and influences the performance of whole battery package.
Description
Technical Field
The utility model belongs to the technical field of power battery, a battery liquid cooling system is provided.
Background
The energy situation is more and more severe, and the environmental awareness is gradually enhanced, so that the electric automobile receives more and more attention. Electric vehicles need a chemical energy storage device to provide electric energy, and lithium ion batteries are the first choice of power batteries due to the advantages of high specific energy, long cycle life and the like. Lithium ion batteries require careful management and protection due to their own material characteristics to achieve good performance, life and safety. The life of a battery energy storage system greatly depends on the consistency of the battery, and lithium ion batteries are discrete in nature due to irrevocable differences in materials, processes, use environments and the like. During the use process, the temperature uniformity of the battery has great influence on the uniformity of a battery system, and the management of the temperature and the temperature uniformity of the battery is an important means for ensuring the performance and the service life of the battery.
In the prior art, the battery thermal management mainly includes natural cooling, air cooling and liquid cooling technical schemes, and most of the technologies manage the temperature of a single battery and do not manage the consistency of the battery temperature.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a battery liquid cooling system aims at improving each battery cell's in the battery package temperature homogeneity.
The utility model discloses a realize like this, a battery liquid cooling system, the liquid cooling system includes:
the battery pack consists of battery modules, and the bottom of each battery module is provided with a liquid cooling plate;
the liquid cooling plate is provided with a water inlet and a water outlet, the water outlet is communicated with the water inlet of the cooling liquid storage device through the heat dissipation device, the cooling liquid storage device is internally provided with an electronic water pump, and the water outlet of the electronic water pump is communicated with the water inlet of the liquid cooling plate through an electromagnetic valve;
the battery management system is arranged in the battery pack;
the temperature sensor is arranged in each battery module;
the temperature sensor is connected with a battery management system, and the battery management system is connected with each electromagnetic valve, the electronic water pump and the heat dissipation device.
Furthermore, the temperature sensor is used for detecting the temperature value in the battery module and sending the temperature detection value to the battery management system,
if the temperature detection value of the battery module reaches the preset temperature value, the battery management system controls the electronic water pump, the heat dissipation device and the electromagnetic valve corresponding to the water inlet of the liquid cooling plate of the battery module to be opened.
Further, the liquid cooling system further includes:
the heat-conducting plate is located between battery module bottom and liquid cooling board, the bottom contact of each electricity core in one end of heat-conducting plate and the battery module, the other end and the liquid cooling board contact of heat-conducting plate.
Furthermore, the temperature sensor is arranged on one side of the heat-conducting plate, which is far away from the liquid cooling plate.
The utility model provides a temperature of the inside battery module of battery liquid cooling system control battery is below the temperature default, avoids the high temperature of single battery module and influences the performance of whole battery package, in addition, comes the inside electric core temperature of balanced battery module through the heat-conducting plate, avoids the high temperature of single electric core in the battery module, is favorable to the temperature homogeneity of whole battery package.
Drawings
Fig. 1 is a schematic view of a cooling liquid circulation structure of a battery liquid cooling system according to an embodiment of the present invention;
fig. 2 is a schematic view of a communication structure of a battery liquid cooling system according to an embodiment of the present invention;
1. the battery management system comprises a battery module, a liquid cooling plate 2, a heat dissipation device 3, a cooling liquid storage 4, an electronic water pump 5, an electromagnetic valve 6, a temperature sensor 7 and a battery management system 8.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Fig. 1 is a schematic view of a cooling liquid circulation structure of a battery liquid cooling system according to an embodiment of the present invention,
fig. 2 is a schematic view of a communication structure of a battery liquid cooling system according to an embodiment of the present invention, which is only shown in the relevant portions of the embodiment of the present invention for convenience of description.
This battery liquid cooling system includes:
the battery pack comprises battery modules 1, wherein the bottom of each battery module 1 is provided with a liquid cooling plate 2, and the battery modules 1 are formed by connecting single battery cores in series or in parallel;
the liquid cooling plate 2 comprises a water inlet and a water outlet, the water outlet is communicated with the water inlet of the cooling liquid storage 4 through the heat dissipation device 3, an electronic water pump 5 is arranged in the cooling liquid storage 4, and the water outlet of the electronic water pump 5 is communicated with the water inlet of the liquid cooling plate 2 through an electromagnetic valve 6;
a battery management system 8 arranged in the battery pack;
the temperature sensor 7 is connected to a battery management system 8, and the battery management system 8 is connected to each of the solenoid valves 6, the electronic water pump 5, and the heat sink 3.
The temperature sensor 7 is used for detecting the temperature value in the battery module 1 and sending the temperature detection value to the battery management system 8;
if the temperature detection value of the battery module 1 reaches a preset temperature value, the battery management system 8 controls the electronic water pump 5, the electromagnetic valve 6 at the water inlet of the liquid cooling plate corresponding to the heat dissipation device 3 and the battery module is opened, namely, cooling liquid is pumped into the liquid cooling plate 2 with overhigh temperature through the electronic water pump 5, heat exchange is carried out on the battery core of the liquid cooling plate 2 in the battery module 1, the heat in the battery module 1 is taken away, the temperature of the battery core in the battery module 1 is reduced, and the electromagnetic valve 6 corresponding to the temperature is controlled to be closed until the temperature is lower than the preset temperature value; or an AT89C51 chip is formed in the existing battery management system 8 and used for monitoring the temperature of the battery module and controlling the opening and closing of the electromagnetic valve, the heat dissipation device 3 and the electronic water pump 5, the heat dissipation device 3 is used for cooling the cooling liquid flowing out of the liquid cooling plate 2, the cooled cooling liquid returns to the cooling liquid storage 4, and the heat dissipation device 3 can be a heat exchanger.
The embodiment of the utility model provides an in, for the uniformity of guaranteeing the interior temperature of battery module as far as possible, be equipped with the heat-conducting plate (not shown in the figure) between battery module 1 bottom and liquid cooling board 2, the one end of heat-conducting plate and each electric core bottom contact in the battery module 1 promptly, the other end and the contact of liquid cooling board 2 of heat-conducting plate.
The embodiment of the utility model provides an in, in order to make temperature sensor 7's data detection can more real reaction module in the temperature value of each electricity core, temperature sensor establishes 7 and keeps away from one side of liquid cooling board 2 in the heat-conducting plate.
The utility model provides a temperature of the inside battery module of battery liquid cooling system control battery is below the temperature default, avoids the high temperature of single battery module and influences the performance of whole battery package, in addition, comes the inside electric core temperature of balanced battery module through the heat-conducting plate, avoids the high temperature of single electric core in the battery module, is favorable to the temperature homogeneity of whole battery package.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A battery liquid cooling system, the system comprising:
the battery pack consists of battery modules, and the bottom of each battery module is provided with a liquid cooling plate;
the liquid cooling plate is provided with a water inlet and a water outlet, the water outlet is communicated with the water inlet of the cooling liquid storage device through the heat dissipation device, the cooling liquid storage device is internally provided with an electronic water pump, and the water outlet of the electronic water pump is communicated with the water inlet of the liquid cooling plate through an electromagnetic valve;
the battery management system is arranged in the battery pack;
the temperature sensor is arranged in each battery module;
the temperature sensor is connected with a battery management system, and the battery management system is connected with each electromagnetic valve, the electronic water pump and the heat dissipation device.
2. The battery liquid cooling system of claim 1, wherein the temperature sensor is configured to detect a temperature value inside the battery module and send the detected temperature value to the battery management system,
if the temperature detection value of the battery module reaches the preset temperature value, the battery management system controls the electronic water pump, the heat dissipation device and the electromagnetic valve corresponding to the water inlet of the liquid cooling plate of the battery module to be opened.
3. The battery liquid cooling system of claim 1, wherein the liquid cooling system further comprises: the heat-conducting plate is located between battery module bottom and liquid cooling board, the bottom contact of each electricity core in one end of heat-conducting plate and the battery module, the other end and the liquid cooling board contact of heat-conducting plate.
4. The battery liquid cooling system of claim 3, wherein the temperature sensor is disposed on a side of the heat conducting plate away from the liquid cooling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395171.3U CN210296567U (en) | 2019-08-26 | 2019-08-26 | Battery liquid cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921395171.3U CN210296567U (en) | 2019-08-26 | 2019-08-26 | Battery liquid cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210296567U true CN210296567U (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921395171.3U Expired - Fee Related CN210296567U (en) | 2019-08-26 | 2019-08-26 | Battery liquid cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210296567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652840A (en) * | 2020-12-22 | 2021-04-13 | 芜湖奇达动力电池系统有限公司 | Temperature control method for battery thermal management system of electric vehicle |
| CN112687984A (en) * | 2020-12-29 | 2021-04-20 | 东风汽车集团有限公司 | Efficient battery thermal management system and method |
-
2019
- 2019-08-26 CN CN201921395171.3U patent/CN210296567U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652840A (en) * | 2020-12-22 | 2021-04-13 | 芜湖奇达动力电池系统有限公司 | Temperature control method for battery thermal management system of electric vehicle |
| CN112687984A (en) * | 2020-12-29 | 2021-04-20 | 东风汽车集团有限公司 | Efficient battery thermal management system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200410 Termination date: 20210826 |