CN202797187U - Battery pack liquid nitrogen cooling device for electric bus - Google Patents
Battery pack liquid nitrogen cooling device for electric bus Download PDFInfo
- Publication number
- CN202797187U CN202797187U CN2012204305537U CN201220430553U CN202797187U CN 202797187 U CN202797187 U CN 202797187U CN 2012204305537 U CN2012204305537 U CN 2012204305537U CN 201220430553 U CN201220430553 U CN 201220430553U CN 202797187 U CN202797187 U CN 202797187U
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- CN
- China
- Prior art keywords
- power brick
- liquid nitrogen
- battery pack
- exchange
- liquid
- 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
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/88—Optimized components or subsystems, e.g. lighting, actively controlled glasses
Abstract
A battery pack liquid nitrogen cooling device for an electric bus belongs to the technical field of battery cooling. The battery pack liquid nitrogen cooling device is exclusively used in battery cooling for a nickel-hydrogen-powered electric bus. The battery pack liquid nitrogen cooling device comprises a liquid storage tank (1), a controller (2), a liquid transport pipe (3) and battery pack evaporating and cooling devices, wherein the battery pack evaporating and cooling devices are in parallel; the liquid storage tank (1) is connected with the battery pack evaporating and cooling devices through the liquid transport pipe (3) and automatic valves respectively; the controller (2) is connected with the automatic valves through a CAN bus (4) respectively. Compared with the prior art, the battery pack liquid nitrogen cooling device has the advantages of good radiating effect, energy conservation, low cost and convenience in use, and is noiseless.
Description
Technical field
Electric bus power brick cooled with liquid nitrogen device belongs to battery cooling technology field.Be exclusively used in the cooling of Ni-H 2 power electric bus battery.
Background technology
For energy-conservation and environmental protection, country has put into effect a series of policies, helps the development of electric automobile.Ni-MH power cell allows high current charge-discharge, the advantages such as long-life with the wide temperature of its safety (not having the blast possibility) with regard to present circumstances.In the electric bus application broad development prospect is arranged.But the heating problem of Ni-MH power cell in the large current density electric process needs to solve.The forced air cooling that extensively adopts now but its shortcoming of mode is: blower fan self power consumption is many, noise is large, power brick can not seal, thereby can't dust and water protection, blower fan needs often to safeguard to be changed, radiating effect is not good, especially when the high current charge-discharge heating is more serious, can't satisfy the heat radiation requirement.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiency that prior art exists, a kind of good heat dissipation effect, energy-conservation, low-cost, noiseless and electric bus power brick cooled with liquid nitrogen device easy to use are provided.
The technical scheme that its technical problem that will solve the utility model adopts is: this electric bus power brick cooled with liquid nitrogen device, it is characterized in that: comprise fluid reservoir, controller, liquid-transport pipe-line, power brick evaporation cold-exchange, power brick evaporation cold-exchange is be in parallel a plurality of, fluid reservoir links to each other with power brick evaporation cold-exchange respectively with automatic valve by liquid-transport pipe-line, and controller links to each other with automatic valve respectively by the CAN bus.
Preferably, described controller is the liquid nitrogen Self controlling valve.
Described liquid-transport pipe-line is that low temperature resistant high pressure material is made.
Described power brick evaporation cold-exchange is to be installed in one of the interior battery pack of power brick top to change device for cooling.After by woven hose input liquid nitrogen, evaporation gasification in the evaporation cold-exchange in power brick, absorbing heat, and the cold air after will replacing blows to battery pack.Loose to the battery container outside with the hot-air after the battery pack exchange heat.
The number of described power brick evaporation cold-exchange is corresponding with the power brick number, and each power brick is equipped with one, can for 1,2,3 to n, decide according to the power brick number that electric bus is installed.
The liquid nitrogen fluid reservoir is that a liquid nitrogen storage vessel can be convenient for changing installation.According to the heat dissipation capacity requirement, fluid reservoir that can the design alternative different capabilities.
Compared with prior art: the useful effect of electric bus power brick cooled with liquid nitrogen device of the present utility model is: utilize liquid nitrogen a large amount of absorbing heat principles in gasification, dispel the heat to power brick.Energy-conservation: it does not need to consume the electric energy of on-vehicle battery bag, can prolong the continuous distance travelled of electric motor car.Noiseless: comparing the employing cooled with liquid nitrogen with the blower fan cooling does not almost have noise.Pollution-free.Gas after the liquid nitrogen displacement be nitrogen to environment without any harm, easy to use: as long as change as required fluid reservoir, cost is low.Also can be used as electric motor car extinguishing chemical source, when Vehicular battery bag failed shorted was caught fire, fire extinguishing was used.Have simultaneously safety, high efficiency and heat radiation, low cost, the advantage such as easy to use.
Description of drawings
Fig. 1 is the utility model electric bus power brick cooled with liquid nitrogen apparatus structure schematic diagram.
Wherein: 1, fluid reservoir 2, controller 3, liquid-transport pipe-line 4, CAN bus 5, the first automatic valve 6, the second automatic valve 7, the 3rd automatic valve 8, four selfs movable valve 9, N automatic valve 10,1# power brick evaporation cold-exchange 11,2# power brick evaporation cold-exchange 12,3# power brick evaporation cold-exchange 13,4# power brick evaporation cold-exchange 14, n# power brick evaporation cold-exchange.
Embodiment
Accompanying drawing 1 is most preferred embodiment of the present utility model, is described further below in conjunction with 1 pair of the utility model electric bus of accompanying drawing power brick cooled with liquid nitrogen device.
With reference to accompanying drawing 1: this electric bus power brick cooled with liquid nitrogen device is comprised of fluid reservoir 1, controller 2, liquid-transport pipe-line 3, CAN bus 4, the first automatic valve 5, the second automatic valve 6, the 3rd automatic valve 7, four selfs movable valve 8, N automatic valve 9,1# power brick evaporation cold-exchange 10,2# power brick evaporation cold-exchange 11,3# power brick evaporation cold-exchange 12,4# power brick evaporation cold-exchange 13 to n# power brick evaporation cold-exchange 14.Power brick evaporation cold-exchange is be in parallel a plurality of, fluid reservoir 1 links to each other with 1# power brick evaporation cold-exchange 10 with the first automatic valve 5 by liquid-transport pipe-line 3, fluid reservoir 1 links to each other with 2# power brick evaporation cold-exchange 11 with the second automatic valve 6 by liquid-transport pipe-line 3, fluid reservoir 1 links to each other with 3# power brick evaporation cold-exchange 12 with the 3rd automatic valve 7 by liquid-transport pipe-line 3, fluid reservoir 1 links to each other with 4# power brick evaporation cold-exchange 13 with four selfs movable valve 8 by liquid-transport pipe-line 3, fluid reservoir 1 links to each other with N automatic valve 9 and n# power brick evaporation cold-exchange 14 by liquid-transport pipe-line 3, controller 2 by CAN bus 4 respectively with the first automatic valve 5 that is in parallel, the second automatic valve 6, the 3rd automatic valve 7, four selfs movable valve 8, N automatic valve 9 links to each other.
Described controller 2 is the liquid nitrogen Self controlling valve.The instruction that it sends according to entire car controller or driver's hand gear, determine switch and flow to what of amount of liquid nitrogen of power brick evaporation cold-exchange.
Described liquid-transport pipe-line 3 is made for high temperature high-pressure resistant material.
Described power brick evaporation cold-exchange is to be installed in one of the interior battery pack of power brick top to change device for cooling.After by liquid-transport pipe-line 3 input liquid nitrogen, evaporation gasification in the evaporation cold-exchange in power brick, absorbing heat, and the cold air after will replacing blows to battery pack.Loose to the battery container outside with the hot-air after the battery pack exchange heat.
The number of described power brick evaporation cold-exchange is corresponding with the power brick number, and each power brick is equipped with one, can for 1,2,3 to n, decide according to the power brick number that electric bus is installed.
Fluid reservoir 1 is that a liquid nitrogen storage vessel can be convenient for changing installation.According to the heat dissipation capacity requirement, fluid reservoir that can the design alternative different capabilities.
Operation principle is as follows with the course of work: fluid reservoir 1 is connected with all automatic valve one end by liquid-transport pipe-line 3 during use, and the automatic valve other end is connected with the evaporation cold-exchange.
Controller 2 is accepted the battery temperature data that vehicle BMS management system is sent, when battery temperature is higher than set point, controller 2 is opened corresponding automatic valve, make a certain amount of liquid nitrogen flow into the evaporation cold-exchange from fluid reservoir 1 by liquid-transport pipe-line 3, liquid nitrogen gasifies in the evaporation cold-exchange, absorb a large amount of heat, the cold air after then will replacing blows to power brick, to reach the purpose of fast cooling.Also can use driver's hand gear to give an order to controller 2 and open automatic valve.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment does, still belongs to the protection range of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (5)
1. electric bus power brick cooled with liquid nitrogen device, it is characterized in that: comprise fluid reservoir (1), controller (2), liquid-transport pipe-line (3), power brick evaporation cold-exchange, power brick evaporation cold-exchange is be in parallel a plurality of, fluid reservoir (1) links to each other with power brick evaporation cold-exchange respectively with automatic valve by liquid-transport pipe-line (3), and controller (2) links to each other with automatic valve respectively by CAN bus (4).
2. electric bus power brick cooled with liquid nitrogen device according to claim 1, it is characterized in that: described controller (2) is the liquid nitrogen Self controlling valve.
3. electric bus power brick cooled with liquid nitrogen device according to claim 1, it is characterized in that: described liquid-transport pipe-line (3) is made for low temperature resistant high pressure material.
4. electric bus power brick cooled with liquid nitrogen device according to claim 1 is characterized in that: described power brick evaporation cold-exchange is to be installed in one of battery pack top in the power brick to change device for cooling.
5. electric bus power brick cooled with liquid nitrogen device according to claim 4 is characterized in that: the number of described power brick evaporation cold-exchange is corresponding with the power brick number, one of each power brick outfit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204305537U CN202797187U (en) | 2012-08-28 | 2012-08-28 | Battery pack liquid nitrogen cooling device for electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204305537U CN202797187U (en) | 2012-08-28 | 2012-08-28 | Battery pack liquid nitrogen cooling device for electric bus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202797187U true CN202797187U (en) | 2013-03-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012204305537U Expired - Fee Related CN202797187U (en) | 2012-08-28 | 2012-08-28 | Battery pack liquid nitrogen cooling device for electric bus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202797187U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716877A (en) * | 2016-02-17 | 2016-06-29 | 中国汽车技术研究中心 | Electric vehicle collision test safety monitoring system and method |
| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
| CN110611138A (en) * | 2019-09-02 | 2019-12-24 | 北京航天发射技术研究所 | Cooling system of refrigerator car fuel cell and control method thereof |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
-
2012
- 2012-08-28 CN CN2012204305537U patent/CN202797187U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105716877A (en) * | 2016-02-17 | 2016-06-29 | 中国汽车技术研究中心 | Electric vehicle collision test safety monitoring system and method |
| CN105716877B (en) * | 2016-02-17 | 2017-11-14 | 中国汽车技术研究中心 | A kind of electric automobile collision tests safety monitoring method |
| CN106785192A (en) * | 2016-11-30 | 2017-05-31 | 浙江吉利控股集团有限公司 | A kind of heat management system |
| CN111509332A (en) * | 2019-05-07 | 2020-08-07 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN111509332B (en) * | 2019-05-07 | 2021-08-24 | 国网电力科学研究院武汉南瑞有限责任公司 | Temperature control method for lithium battery module |
| CN110611138A (en) * | 2019-09-02 | 2019-12-24 | 北京航天发射技术研究所 | Cooling system of refrigerator car fuel cell and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20150828 |
|
| EXPY | Termination of patent right or utility model |