CN206134879U - Thermal management system of automobile -used lithium cell - Google Patents
Thermal management system of automobile -used lithium cell Download PDFInfo
- Publication number
- CN206134879U CN206134879U CN201621072714.4U CN201621072714U CN206134879U CN 206134879 U CN206134879 U CN 206134879U CN 201621072714 U CN201621072714 U CN 201621072714U CN 206134879 U CN206134879 U CN 206134879U
- Authority
- CN
- China
- Prior art keywords
- nitrogen gas
- nitrogen
- lithium battery
- lithium cell
- management system
- 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.)
- Expired - Fee Related
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 43
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 40
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 112
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 claims abstract description 5
- 229910052757 nitrogen Inorganic materials 0.000 claims description 52
- 239000006200 vaporizer Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 238000003032 molecular docking Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 230000005494 condensation Effects 0.000 description 4
- 238000009833 condensation Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- -1 compressor Substances 0.000 description 1
- 238000005373 pervaporation Methods 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
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- Secondary Cells (AREA)
Abstract
The utility model discloses a thermal management system of automobile -used lithium cell, include with the lithium cell inter block communicating nitrogen gas cooling device of portion, nitrogen gas cooling device includes the nitrogen gas jar, the air inlet and the gas outlet of nitrogen gas jar are connected with intake pipe and outlet duct respectively, and intake pipe and outlet duct all communicate with each other with lithium cell inter block portion, install the circulation air pump on the outlet duct, the utility model discloses utilize the nitrogen gas temperature in the temperature sensor determine nitrogen gas jar, the switch that the operator can be accurate like this controlled refrigerating plant according to the temperature closes to make the cooling effect outstanding, cold dry nitrogen gas can last the cooling to lithium cell inter block portion, and the moisture content in the nitrogen gas jar is few simultaneously, consequently can avoid lithium cell inter block portion the condition of comdenstion water to appear, and nitrogen gas can prevent again that the condition of burning from appearing in lithium cell group moreover.
Description
Technical field
This utility model is related to lithium battery, specifically a kind of heat management system of vehicle lithium battery.
Background technology
Lithium battery is broadly divided into two classes：Lithium metal battery and lithium ion battery.Lithium ion battery does not contain metallic state
Lithium, and can be charging.5th generation product lithium metal battery of rechargeable battery was born in 1996, its safety, ratio
Capacity, self-discharge rate and the ratio of performance to price are superior to lithium ion battery.Because the high-tech of its own requires to limit, now only
The company of a few countries is producing this lithium metal battery.
Environment temperature reduction being adopted the current heat sink for lithium battery, overall thermal conduction effect is poor, and temperature moment more
Condensed water is easily produced during reduction set of cells is caused to damage, and cannot reduce the generation of lithium battery fire.
Utility model content
The purpose of this utility model is to provide a kind of heat management system of vehicle lithium battery, to solve above-mentioned background technology
The problem of middle proposition.
For achieving the above object, this utility model provides following technical scheme：
A kind of heat management system of vehicle lithium battery, including with the nitrogen cooling device communicated inside lithium battery group, nitrogen
Chiller includes nitrogen pot, and the air inlet of nitrogen pot and gas outlet are connected to air inlet pipe and escape pipe, and air inlet pipe and
Escape pipe is communicated with inside lithium battery group, and circulation air pump is provided with escape pipe, using circulation air pump realize lithium battery group with
Nitrogen circulation between nitrogen pot；The side of the nitrogen pot is provided with refrigerating plant, and refrigerating plant mainly includes being arranged on nitrogen
Vaporizer in tank, the import and export of vaporizer are connected by circulating line docking, and the circulation for being exported to import of vaporizer
Compressor, fluid reservoir, electromagnetic valve and expansion valve are sequentially installed with pipeline, compressor, fluid reservoir, electromagnetic valve and expansion valve are located at
The outside of nitrogen pot, the refrigerating plant pair constituted by vaporizer, compressor, fluid reservoir, electromagnetic valve, expansion valve and vaporizer
Nitrogen pot inside nitrogen is lowered the temperature, and cold dry nitrogen can be to lithium battery group inside continued down, while in nitrogen pot
Moisture content is few, therefore can avoid the situation of lithium battery group condensation arising inside water.
As further program of the utility model：Switch valve is installed in the air inlet pipe.
As this utility model further scheme：The circulating line is provided with sealing with the contact position of nitrogen pot
Circle.
As this utility model further scheme：Temperature sensor, and temperature sensing are installed in the nitrogen pot
Device connects control main frame, and the switch of control main frame control refrigerating plant is closed, hence with temperature sensor detection nitrogen pot
Nitrogen temperature, such operator accurately can control the switch of refrigerating plant according to temperature and close, so that cooling-down effect
It is outstanding.
Compared with prior art, the beneficial effects of the utility model are：This utility model detects nitrogen using temperature sensor
Nitrogen temperature in gas tank, such operator accurately can control the switch of refrigerating plant according to temperature and close, so that
Cooling-down effect is outstanding, cold dry nitrogen can to lithium battery group inside continued down, while the moisture content in nitrogen pot is few,
Therefore the situation of lithium battery group condensation arising inside water can be avoided, and nitrogen can prevent lithium battery group from burning occur
Situation.
Description of the drawings
Fig. 1 is a kind of structural representation of the heat management system of vehicle lithium battery of this utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of this utility model protection.
Refer to Fig. 1, in this utility model embodiment, a kind of heat management system of vehicle lithium battery, including with lithium battery
The nitrogen cooling device communicated inside group 1, nitrogen cooling device includes nitrogen pot 4, and the air inlet of nitrogen pot 4 and gas outlet are distinguished
Be connected with air inlet pipe 2 and escape pipe 3, and air inlet pipe 2 and escape pipe 3 with communicate inside lithium battery group 1, install on escape pipe 3
There is circulation air pump 5, the nitrogen circulation between lithium battery group 1 and nitrogen pot 4 is realized using circulation air pump 5；The one of the nitrogen pot 4
Side is provided with refrigerating plant, and refrigerating plant mainly includes the vaporizer 6 being arranged in nitrogen pot 4, and the import and export of vaporizer 6 are by following
The docking of endless tube road 8 is connected, and being exported on the circulating line 8 of import for vaporizer 6 is sequentially installed with compressor 7, fluid reservoir
10th, electromagnetic valve 11 and expansion valve 12, compressor 7, fluid reservoir 10, electromagnetic valve 11 and expansion valve 12 lead to located at the outside of nitrogen pot 4
The refrigerating plant that pervaporation device 6, compressor 7, fluid reservoir 10, electromagnetic valve 11, expansion valve 12 and vaporizer 6 are constituted is to nitrogen pot
4 inside nitrogen are lowered the temperature, and cold dry nitrogen can be to the inside continued down of lithium battery group 1, while the steam in nitrogen pot 4
Content is few, therefore can avoid the situation of the condensation arising inside water of lithium battery group 1；Temperature sensing is installed in the nitrogen pot 4
Device 14, and the connection control main frame 13 of temperature sensor 14, the switch of the control refrigerating plant of control main frame 13 is closed, hence with temperature
Nitrogen temperature in the detection nitrogen pot 4 of sensor 14, such operator accurately can control refrigerating plant according to temperature
Switch is closed, so that cooling-down effect is outstanding.
Switch valve is installed in the air inlet pipe 2.
The circulating line 8 is provided with sealing ring with the contact position of nitrogen pot 4.
Operation principle of the present utility model is：The nitrogen temperature in nitrogen pot 4 is detected using temperature sensor 14, is so grasped
Author accurately can control the switch of refrigerating plant according to temperature and close, so that cooling-down effect is outstanding, cold dry nitrogen
Gas while the moisture content in nitrogen pot 4 is few, therefore can avoid lithium battery group 1 to the inside continued down of lithium battery group 1
The situation of condensation arising inside water, and nitrogen can prevent lithium battery group from the situation of burning occur.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type is by claims rather than described above is limited, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in this utility model.Any reference in claim should not be considered as restriction
Involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form those skilled in the art
Understandable other embodiment.
Claims (4)
1. a kind of heat management system of vehicle lithium battery, it is characterised in that include the nitrogen cooling communicated with inside lithium battery group
Device, nitrogen cooling device includes nitrogen pot, and the air inlet of nitrogen pot and gas outlet are connected to air inlet pipe and escape pipe, and
Air inlet pipe and escape pipe are communicated with inside lithium battery group, and circulation air pump is provided with escape pipe；The side of the nitrogen pot sets
There is refrigerating plant, refrigerating plant mainly includes the vaporizer being arranged in nitrogen pot, and the import and export of vaporizer pass through circulating line
Docking is connected, and being exported on the circulating line of import for vaporizer is sequentially installed with compressor, fluid reservoir, electromagnetic valve and swollen
Swollen valve, compressor, fluid reservoir, electromagnetic valve and expansion valve are located at the outside of nitrogen pot.
2. the heat management system of vehicle lithium battery according to claim 1, it is characterised in that be provided with the air inlet pipe
Switch valve.
3. the heat management system of vehicle lithium battery according to claim 1, it is characterised in that the circulating line and nitrogen
The contact position of tank is provided with sealing ring.
4. the heat management system of vehicle lithium battery according to claim 1, it is characterised in that be provided with the nitrogen pot
Temperature sensor, and temperature sensor connection control main frame, the switch of control main frame control refrigerating plant is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072714.4U CN206134879U (en) | 2016-09-22 | 2016-09-22 | Thermal management system of automobile -used lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621072714.4U CN206134879U (en) | 2016-09-22 | 2016-09-22 | Thermal management system of automobile -used lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206134879U true CN206134879U (en) | 2017-04-26 |
Family
ID=58569637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621072714.4U Expired - Fee Related CN206134879U (en) | 2016-09-22 | 2016-09-22 | Thermal management system of automobile -used lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206134879U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803831A (en) * | 2020-07-23 | 2020-10-23 | 中国矿业大学 | Fire prevention and control system and control method for lithium ion battery prefabricated cabin |
| CN112701379A (en) * | 2020-12-29 | 2021-04-23 | 重庆理工大学 | Automatic cooling system of nitrogen-water premixed directional jet type battery |
| CN113147312A (en) * | 2021-02-26 | 2021-07-23 | 西安鹏泰航空动力技术有限公司 | System for realizing inerting fire prevention and thermal management optimization of vehicle-mounted battery pack and control method |
| CN114709508A (en) * | 2022-03-14 | 2022-07-05 | 大连理工大学 | Temperature-control fireproof and explosion-proof integrated lithium battery energy storage power station and control method thereof |
| WO2024156130A1 (en) * | 2023-01-26 | 2024-08-02 | 宁德时代未来能源(上海)研究院有限公司 | Fire-fighting system and energy storage system |
-
2016
- 2016-09-22 CN CN201621072714.4U patent/CN206134879U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111803831A (en) * | 2020-07-23 | 2020-10-23 | 中国矿业大学 | Fire prevention and control system and control method for lithium ion battery prefabricated cabin |
| WO2022016765A1 (en) * | 2020-07-23 | 2022-01-27 | 中国矿业大学 | Fire prevention and control system for lithium ion battery prefabricated container and control method therefor |
| CN111803831B (en) * | 2020-07-23 | 2022-01-28 | 中国矿业大学 | Fire prevention and control system and control method for lithium ion battery prefabricated cabin |
| CN112701379A (en) * | 2020-12-29 | 2021-04-23 | 重庆理工大学 | Automatic cooling system of nitrogen-water premixed directional jet type battery |
| CN112701379B (en) * | 2020-12-29 | 2022-03-08 | 重庆理工大学 | Automatic cooling system of nitrogen-water premixed directional jet type battery |
| CN113147312A (en) * | 2021-02-26 | 2021-07-23 | 西安鹏泰航空动力技术有限公司 | System for realizing inerting fire prevention and thermal management optimization of vehicle-mounted battery pack and control method |
| CN114709508A (en) * | 2022-03-14 | 2022-07-05 | 大连理工大学 | Temperature-control fireproof and explosion-proof integrated lithium battery energy storage power station and control method thereof |
| WO2024156130A1 (en) * | 2023-01-26 | 2024-08-02 | 宁德时代未来能源(上海)研究院有限公司 | Fire-fighting system and energy storage system |
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Legal Events
| 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: 20170426 |