CN104332674A - Lithium ion battery small hot pump thermal management system and application thereof - Google Patents
Lithium ion battery small hot pump thermal management system and application thereof Download PDFInfo
- Publication number
- CN104332674A CN104332674A CN201410583760.XA CN201410583760A CN104332674A CN 104332674 A CN104332674 A CN 104332674A CN 201410583760 A CN201410583760 A CN 201410583760A CN 104332674 A CN104332674 A CN 104332674A
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- China
- Prior art keywords
- lithium ion
- ion battery
- small
- heat pump
- lithium
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- 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.)
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Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 49
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 48
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 59
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 59
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 18
- 230000005855 radiation Effects 0.000 claims description 6
- 238000010792 warming Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 238000004321 preservation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000005086 pumping Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention provides a lithium ion battery small hot pump heat management system and application thereof. The system comprises a small hot pump, a lithium ion battery box, and a fan, wherein the lithium ion battery is arranged in the lithium ion battery box. According to the demand of refrigeration in summer and heating in winter, the small compressor of the small hot pump is connected with a condenser and evaporator; the condenser and the evaporator are connected respectively with an expansion valve to form a complete refrigerating or heating circulating system; the circulating system is connected with the lithium ion battery box. The system is used in a system capable of realizing heat dissipation in summer and heat preservation in winter of the lithium ion battery. The small hot pump system consumes only a small amount of electric energy, but obtains heat and cold energy which are 3-4 times those of the input power to ensure that the lithium battery reaches an optimum state in the working temperature range. When the system is used in a wind energy/solar power generation system and a power battery system for electric vehicles, multiple effects of prolonging the service life of the battery, reducing the environmental pollution, improving the system operation efficiency can be achieved, so the system has very high popularization and application values.
Description
Technical field
The present invention relates to lithium ion battery and small-sized art of heat pumps.The specifically small-sized heat pump heat management system of a kind of lithium ion battery and application thereof.
Background technology
At present, energy shortage, environmental pollution are the bottlenecks of restriction national economy fast development.Develop the Important Action that new forms of energy are the problems such as reply energy shortage, environmental pollution, climate change, be also conducive to the energy resource structure improving China simultaneously, promote the international competitiveness of China's energy industry.Electrokinetic cell is one of core component of generation of electricity by new energy, and lithium ion battery and other secondaries? battery is compared, and has better combination property, selects lithium ion battery to have a extensive future as energy-storage battery.
At present, the operating temperature range of lithium battery is generally at-20 ~ 60 DEG C, but research shows under cryogenic, and the hydraulic performance decline of lithium battery, especially in north cold area, winter, the use of battery can be subject to certain restrictions.Simultaneously national some areas maximum temperature in summer can reach more than 40 DEG C in recent years, and the operation of lithium battery also can be affected, and therefore in order to ensure the normal work of lithium battery, will improve the runnability of lithium battery at low temperature and high temperature.
Heat pump is that a kind of high potential that utilizes makes heat flow to the device of high-order thermal source from low level heat energy, can produce be several times as much as high potential cold and hot amount for utilization, in the place of cooling in summer heat supply in winter, especially seem economical.
Summary of the invention
Goal of the invention of the present invention is, the problem that low temperature and high-temperature behavior for lithium battery in background technology decline, and in order to ensure the work that lithium battery is stable in operating temperature range,
One there is provided a kind of methodological science, and production cost is low, the free of contamination small-sized heat pump heat management system utilizing small-sized heat pump lithium battery to be carried out to the lithium ion battery of heat management, two application being to provide the small-sized heat pump heat management system of lithium ion battery.
Realize foregoing invention object by the following technical solutions:
The small-sized heat pump heat management system of a kind of lithium ion battery, comprise small-sized heat pump, lithium ion battery case, fan, lithium ion battery is placed in lithium ion battery case, small-sized heat pump is primarily of condenser, evaporator, light duty compressor, expansion valve composition, according to the demand of cooling in summer, warming, light duty compressor is connected with condenser, evaporator, condenser, evaporator connect and compose complete refrigeration or the circulatory system of heating respectively with expansion valve, this circulatory system is connected with lithium ion battery case.
Preferably, the syndeton of described cooling cycle system: condenser is connected with expansion valve, the other end of expansion valve is connected with evaporator, evaporator is connected with light duty compressor, light duty compressor and condenser connect to form cooling in summer system, and cooling in summer system is connected with lithium ion battery case.
Preferably, the syndeton of the described heating circulatory system: evaporator is connected with light duty compressor, light duty compressor is connected with condenser, condenser is connected with expansion valve, the other end of expansion valve and evaporator connect to form dynamic season heating system, and winter heating system is connected with lithium ion battery case.
Preferably, described light duty compressor adopts inverter scroll compressor.
Preferably, the energy source of described light duty compressor is in lithium battery itself, and working media selects environment friendly refrigerating fluid R134a.
Preferably, fan is provided with in described small-sized heat pump.
Preferably, the lithium battery group in lithium battery box is made up of some battery cells, and lithium battery group is closely connected by connecting line, and upper and lower two groups of lithium batteries are by supporting clapboard fixed support.
An application for the small-sized heat pump heat management system of lithium ion battery, described small-sized heat pump is applied to heat radiation in summer and the Winter protection system of lithium ion battery.
Preferably, winter provides 3 ~ 4 times to the heat of electric energy with small-sized heat pump, is incubated lithium battery box, and summer provides 2 ~ 3 times to the cold of electric energy with small-sized heat pump, to lithium battery box heat radiation, ensures that lithium battery is operated in optimum working temperature 20 ~ 45 DEG C.
Adopt technique scheme, compared with prior art, the operating temperature range that the present invention is directed to lithium battery is generally-20 DEG C ~ 60 DEG C, under low temperature and hot conditions, the problem that the properties of lithium battery all can decline, utilize small-sized heat pump can consume a small amount of electric energy, what a large amount of low temperature heat energies is become high temperature heat heats feature, this feature of small-sized heat pump is applied in the insulation of lithium battery, solves the problem of lithium battery hydraulic performance decline under low temperature and hot conditions.The low potential energy in environment can be made full use of due to heat pump, in practical application, heat pump is applied to lithium battery heat management system and reduces the factor causing battery pack to damage, thus greatly extend the useful life of lithium battery group, the efficiency of operation of effective raising equipment.Low profile thermal pump has little, the lightweight advantage of volume, applies tool and have great advantage in the energy-storage system of electric automobile, small-sized wind light mutual complementing power generation etc.
Accompanying drawing explanation
Fig. 1, Fig. 2 are structural representations of the present invention, and wherein that Fig. 1 display is the winter condition figure that summer condition figure, Fig. 2 show.
Fig. 3 is lithium battery box cut-away view of the present invention.
Mark in figure, condenser 1, light duty compressor 2, fan 3, evaporator 4, expansion valve 5, lithium battery box 6, lithium battery box 7, lithium battery group 8, supporting clapboard 9.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described.
The invention discloses a kind of small-sized heat pump heat management system and application thereof of lithium ion battery.Invention thought of the present invention is: for lithium battery under low temperature and hot conditions, the defect of the properties decline of battery, utilize low profile thermal pumping system, low profile thermal pumping system comprises the circulatory system that the devices such as light duty compressor 2, condenser 1, expansion valve 5, evaporator 4 are formed, the circulatory system of small-sized heat pump is combined with lithium battery, the heat management system of composition cooling in summer, warming.Only a small amount of electric energy need be inputted during work, winter provides about 3 ~ 4 times to the heat of electric energy with small-sized heat pump, is incubated lithium battery box 7, provides about 2 ~ 3 times to the cold of electric energy in summer with small-sized heat pump, lithium battery box 7 is dispelled the heat, ensures that lithium battery is operated in optimum working temperature 20 ~ 45 DEG C.
Specific embodiment is as follows:
What accompanying drawing 1 showed is the operating mode syndeton schematic diagram of heat management system cooling in summer.
Lithium ion battery small-sized heat pump heat management system is by small-sized heat pump, lithium ion battery case 6, fan 3 forms, lithium ion battery 8 is placed in lithium ion battery case 7, small-sized heat pump is primarily of condenser 1, evaporator 4, light duty compressor 2, expansion valve 5 forms, Fig. 1 is the cooling cycle system formed according to the demand of cooling in summer, the syndeton of cooling cycle system is: condenser 1 is connected with expansion valve 5, the other end of expansion valve 5 is connected with evaporator 4, evaporator 4 is connected with light duty compressor 2, light duty compressor 2 and condenser 1 connect to form cooling in summer system, cooling in summer system is connected with lithium ion battery case 6.Fan 3 is provided with in small-sized heat pump.
See Fig. 1, when summer, low profile thermal pumping system is pressed cooling condition and is run, the high steam of being discharged by compressor 2, enter condenser 1 through expansion valve 5, refrigerant vapour is condensed into liquid, evaporator 4 is entered through expansion valve 5, and absorb heat in evaporator 4, absorb the heat dissipation capacity Q2 of lithium battery group 8, the refrigerant vapour after evaporation, sucked by light duty compressor 2 after expansion valve 5, go round and begin again like this, realize kind of refrigeration cycle, the heat Q1 wherein produced through condenser 1 is distributed in surrounding air.
Fig. 2 is the warming circulatory system formed according to the demand of warming, the syndeton of the heating circulatory system is: evaporator 4 is connected with light duty compressor 2, light duty compressor 2 is connected with condenser 1, condenser 1 is connected with expansion valve 5, the other end and the evaporator 4 of expansion valve 5 connect to form winter heating system, and winter heating system is connected with lithium ion battery case 6.
As shown in Figure 2, in the winter time under operating mode, first expansion valve 5 is turned to heat pump service position in low profile thermal pumping system, the air energy Q3 in the refrigerant suction external world, at the inner carburation by evaporation of evaporator 4, improves the temperature of cold-producing medium by the work of light duty compressor 2, cold-producing medium is made to be converted into liquefaction from vapor state by condenser 1 again, in conversion process, discharge a large amount of heats, utilize fan 3 that heat Q4 is passed to lithium battery box 6 and be incubated.
The maximum cooling/heating amount of the light duty compressor 2 of the present embodiment is not less than the heat sum that the maximum quantity of heat production of lithium battery group 8 self and lithium battery group 8 exchange with environment, has DC frequency-changing function.The energy source of light duty compressor 2 is in lithium battery itself, and working media selects environment friendly refrigerating fluid R134a.
See Fig. 3, lithium battery box 7 is made with steel plate, inner placement Li-ion batteries piles 8 and supporting clapboard 9.Lithium battery group 8 is made up of some battery cells, and lithium battery group 8 is closely connected by connecting line, and upper and lower two groups of lithium batteries are by supporting clapboard 9 fixed support.Totally 40 batteries in single Battery pack case, 8 joint lithium batteries are one group and are packaged into 5 groups altogether.
The charge and discharge process of lithium battery group under low temperature and hot environment is completed according to the operation principle of Fig. 1, Fig. 2.Small-sized heat pump heat management system is applied to heat radiation in summer and the Winter protection system of lithium ion battery.
Winter provides 3 ~ 4 times to the heat of electric energy with small-sized heat pump, is incubated lithium battery box, and summer provides 2 ~ 3 times to the cold of electric energy with small-sized heat pump, to lithium battery box heat radiation, ensures that lithium battery is operated in optimum working temperature 20 ~ 45 DEG C.
Small-sized heat pump heat management system application specific embodiment is as follows:
Embodiment 1: the heat management of small-sized solar and wind generator system energy-storage battery:
Lithium battery is as the energy storage device of small-sized solar and wind power generation electricity generation system, in application process wherein, charging-discharging controller sends instruction according to the state of system, when energy output is less than power consumption, whole supply load after electric energy is transformed to alternating current by inverter, not enough part is discharged by batteries to be provided, electric energy in batteries is by charging-discharging controller and inverter supply load, when energy output is greater than power consumption, part electric energy is transformed to supply load after alternating current by inverter, dump energy is supplied to batteries, when storage battery is full of, unnecessary electric energy is consumed by unloader.The temperature that electricity generation system adopts low profile thermal pumping system to realize the battery of charge and discharge process in running controls, and winter, employing heated circulation, and summer adopts kind of refrigeration cycle, and the working temperature reaching lithium battery is the best effort scope of 20 DEG C ~ 45 DEG C.
Embodiment 2: the heat management of electric automobile power battery charge-discharge system battery:
The pure electric automobile utilizing lithium ion battery 8 to drive and hybrid vehicle, utilize low profile thermal pumping system to carry out heat management to lithium battery group 8 in the charge and discharge process under low temperature and hot environment.Winter, employing heated circulation, and summer adopts kind of refrigeration cycle, and the working temperature reaching lithium battery is the best effort scope of 20 DEG C ~ 45 DEG C.
device and the lithium battery group of the small-sized heat pump of the present invention are commercially available prod.
Although above the present invention is described in detail with a general description of the specific embodiments, on basis of the present invention, can make some modifications or improvements it, this will be apparent to those skilled in the art.Therefore, these modifications or improvements without departing from theon the basis of the spirit of the present invention, all belong to the scope of protection of present invention.
Claims (9)
1. the small-sized heat pump heat management system of lithium ion battery, comprise small-sized heat pump, lithium ion battery case, fan, lithium ion battery is placed in lithium ion battery case, it is characterized in that, small-sized heat pump is primarily of condenser, evaporator, light duty compressor, expansion valve composition, according to the demand of cooling in summer, warming, light duty compressor is connected with condenser, evaporator, condenser, evaporator connect and compose complete refrigeration or the circulatory system of heating respectively with expansion valve, this circulatory system is connected with lithium ion battery case.
2. the small-sized heat pump heat management system of lithium ion battery according to claim 1, it is characterized in that, the syndeton of described cooling cycle system: condenser is connected with expansion valve, the other end of expansion valve is connected with evaporator, evaporator is connected with light duty compressor, light duty compressor and condenser connect to form cooling in summer system, and cooling in summer system is connected with lithium ion battery case.
3. the small-sized heat pump heat management system of lithium ion battery according to claim 1, it is characterized in that, the syndeton of the described heating circulatory system: evaporator is connected with light duty compressor, light duty compressor is connected with condenser, condenser is connected with expansion valve, the other end of expansion valve and evaporator connect to form dynamic season heating system, and winter heating system is connected with lithium ion battery case.
4. the small-sized heat pump heat management system of lithium ion battery according to claim 1 or 2 or 3, is characterized in that, described light duty compressor adopts inverter scroll compressor.
5. the small-sized heat pump heat management system of lithium ion battery according to claim 4, is characterized in that, the energy source of described light duty compressor is in lithium battery itself, and working media selects environment friendly refrigerating fluid R134a.
6. the small-sized heat pump heat management system of lithium ion battery according to claim 1, is characterized in that, is provided with fan in described small-sized heat pump.
7. the small-sized heat pump heat management system of lithium ion battery according to claim 1, it is characterized in that: the lithium battery group in lithium battery box is made up of some battery cells, lithium battery group is closely connected by connecting line, and upper and lower two groups of lithium batteries are by supporting clapboard fixed support.
8. an application for the small-sized heat pump heat management system of lithium ion battery, is characterized in that: described small-sized heat pump is applied to heat radiation in summer and the Winter protection system of lithium ion battery.
9. the application of the small-sized heat pump heat management system of lithium ion battery according to claim 8, it is characterized in that: winter provides 3 ~ 4 times to the heat of electric energy with small-sized heat pump, lithium battery box is incubated, summer provides 2 ~ 3 times to the cold of electric energy with small-sized heat pump, to lithium battery box heat radiation, ensure that lithium battery is operated in optimum working temperature 20 ~ 45 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410583760.XA CN104332674B (en) | 2014-10-28 | 2014-10-28 | Lithium ion battery small-sized heat pump heat management system and application thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410583760.XA CN104332674B (en) | 2014-10-28 | 2014-10-28 | Lithium ion battery small-sized heat pump heat management system and application thereof |
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| Publication Number | Publication Date |
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| CN104332674A true CN104332674A (en) | 2015-02-04 |
| CN104332674B CN104332674B (en) | 2016-10-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550950A (en) * | 2018-05-28 | 2018-09-18 | 吉林大学 | A kind of super cold and hot management system and method for battery pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496319A (en) * | 2013-10-14 | 2014-01-08 | 上海交通大学 | Temperature regulating device of new energy automobile power storage battery |
| CN203721847U (en) * | 2014-02-28 | 2014-07-16 | 华南理工大学 | Battery group heat management system based on electromobile heat pump air conditioning system |
| CN203727131U (en) * | 2014-03-11 | 2014-07-23 | 广州汽车集团股份有限公司 | New-energy vehicle thermal management system |
| CN204179179U (en) * | 2014-10-28 | 2015-02-25 | 河北联合大学 | The small-sized heat pump heat management system of lithium ion battery |
-
2014
- 2014-10-28 CN CN201410583760.XA patent/CN104332674B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103496319A (en) * | 2013-10-14 | 2014-01-08 | 上海交通大学 | Temperature regulating device of new energy automobile power storage battery |
| CN203721847U (en) * | 2014-02-28 | 2014-07-16 | 华南理工大学 | Battery group heat management system based on electromobile heat pump air conditioning system |
| CN203727131U (en) * | 2014-03-11 | 2014-07-23 | 广州汽车集团股份有限公司 | New-energy vehicle thermal management system |
| CN204179179U (en) * | 2014-10-28 | 2015-02-25 | 河北联合大学 | The small-sized heat pump heat management system of lithium ion battery |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550950A (en) * | 2018-05-28 | 2018-09-18 | 吉林大学 | A kind of super cold and hot management system and method for battery pack |
| CN108550950B (en) * | 2018-05-28 | 2023-09-15 | 吉林大学 | Battery pack super-cooling and heating management system and method |
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| Publication number | Publication date |
|---|---|
| CN104332674B (en) | 2016-10-05 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yuqing Inventor after: Li Haiying Inventor after: Jia Yongli Inventor after: Zhao Dongmei Inventor after: Zhang Dan Inventor after: Wang Hongli Inventor after: Zhang Guijie Inventor after: Ji Aimin Inventor after: Shi Jianhui Inventor before: Li Haiying Inventor before: Jia Yongli Inventor before: Zhang Dan Inventor before: Wang Hongli Inventor before: Zhang Guijie Inventor before: Ji Aimin Inventor before: Zhao Dongjie |
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Effective date of registration: 20160708 Address after: 063000 Hebei province Tangshan City Xinhua West Road No. 46 Applicant after: Zhang Yuqing Address before: 063000 Hebei province Tangshan City Xinhua West Road No. 46 Applicant before: Hebei United University |
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