CN106058372A - Heat management system and method for power battery - Google Patents

Heat management system and method for power battery Download PDF

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Publication number
CN106058372A
CN106058372A CN201610628991.7A CN201610628991A CN106058372A CN 106058372 A CN106058372 A CN 106058372A CN 201610628991 A CN201610628991 A CN 201610628991A CN 106058372 A CN106058372 A CN 106058372A
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China
Prior art keywords
heat
temperature
heat dissipation
cascade
power battery
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CN201610628991.7A
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Chinese (zh)
Inventor
田玉冬
李飞泉
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Shanghai Dianji University
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Shanghai Dianji University
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Priority to CN201610628991.7A priority Critical patent/CN106058372A/en
Publication of CN106058372A publication Critical patent/CN106058372A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/615Heating or keeping warm
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/617Types of temperature control for achieving uniformity or desired distribution of temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/64Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643Cylindrical cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/655Solid structures for heat exchange or heat conduction
    • H01M10/6556Solid parts with flow channel passages or pipes for heat exchange
    • H01M10/6557Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Secondary Cells (AREA)

Abstract

The invention relates to a heat management system and method for a power battery. The method comprises finding out a high-temperature heating area and a low-temperature heating area of a power battery and adopting different heat-dissipation devices specific to the high-temperature area and the low-temperature heating area. The different heat-dissipation devices comprise dense heat-dissipation devices arranged in the high-temperature area and sparse heat-dissipation devices arranged in the low-temperature area; heat-dissipation devices adopting metal materials in the high-temperature area and heat-dissipation devices adopting plastic materials in the low-temperature area; or heat-dissipation devices for water cooling or heat pipe cooling in the high-temperature area and heat-dissipation devices for air cooling or natural cooling in the low-temperature area. The heat management system adopting the method for a power battery comprises a battery pack, the heat-dissipation devices and a water pump, wherein the battery pack is composed of a plurality of battery cells and the heat-dissipation devices comprise a plurality of heat-dissipation water pipes distributed among battery cells. Through the method, the heat management system for a power battery can work with purpose and the efficiency is improved.

Description

Power battery thermal management system and method
Technical field
The present invention relates to a kind of use electrokinetic cell on electric automobile, particularly relate to the heat management system of electrokinetic cell And method.
Background technology
In prior art, electrokinetic cell cooling scheme has air-cooled, water-cooled, phase-change material cooling and heat pipe cooling multiple, its The scheme of middle comparative maturity is to use air-cooled and or water-cooled.Wind cooling method is simple, but effect is limited;In contrast, water Specific heat capacity is high, is more beneficial for being taken out of by inside battery amount of heat, so water-cooled is more popular.The heat management system of electrokinetic cell In set of cells typically formed by numerous cell connection in series-parallel, mainly by cell in existing water-cooling project Between install cooling water pipe equably additional or this mode of cooled plate realizes modular power battery thermal management.Such as CN201110364978.2, day for announcing 2012.3.28, disclose a kind of electrokinetic cell, many cells company by support Connect and combine, in the center clearance of the rectangular area formed by adjacent four cells, be disposed with cooling tube, whole Multiple cooling tubes of the heat management system of electrokinetic cell are evenly arranged wherein.
But it is understood that the heat of set of cells non-uniform Distribution, high-temperature area and heating low-temperature space but existence is generated heat Territory, this traditional power battery thermal management system disclosed in above-mentioned CN201110364978.2, it is impossible to accomplish heating The heat abstractor of high-temperature area and low-temperature space is treated with a certain discrimination, thus is unable to reach preferable radiating efficiency.
Accordingly, it would be desirable to the power battery thermal management system of a kind of improvement and method.
Summary of the invention
In order to overcome drawbacks described above, the invention provides a kind of higher power battery thermal management system of radiating efficiency and side Method.
The technical solution adopted for the present invention to solve the technical problems is: a kind of power battery thermal management method, its feature It is: first find out heating high-temperature area and the heating low-temperature region of electrokinetic cell;Then adopt for high-temperature area and low-temperature region With different heat abstractors.
Preferably, described different heat abstractor includes one or more in the following manner: arrange close at high-temperature area The heat abstractor of collection, arranges sparse heat abstractor at low-temperature region;The heat abstractor of metal material is used at high-temperature area, Low-temperature region uses the heat abstractor of plastic material;And carry out water-cooled or heat pipe cooling heat radiator at high-temperature area, at low temperature Air-cooled or the heat abstractor of natural cooling is taked in region.
What the present invention solved that its technical problem used another solution is that a kind of power battery thermal management system, adopts With above-mentioned power battery thermal management method, this power battery thermal management system includes set of cells, above-mentioned heat abstractor and water pump, This set of cells includes many cells, and this heat abstractor includes the multiple heat dissipation pipes being distributed between described cell, In heat dissipation pipe, circulation has coolant.
Preferably, being provided with Battery case outside this set of cells, this Battery case surface installs additional and is arranged by other heat dissipation pipes And the cascade formed, each heat dissipation pipe's coolant is collaborated cascade, is then extracted into each heat dissipation pipe by water pump, so circulates.
Preferably, this power battery thermal management system also includes heater, and this heater is positioned at heat dissipation pipe and water Between curtain, after each heated device of heat dissipation pipe's coolant is heated, cascade is arrived at interflow.
Preferably, being provided with Battery case outside this set of cells, this Battery case surface installs additional and is arranged by other heat dissipation pipes And the cascade formed, this power battery thermal management system also includes external radiating device, and each heat dissipation pipe's coolant is collaborated Cascade, then by this external radiating device, then is extracted into heat dissipation pipe by water pump, so circulates.
Preferably, this power battery thermal management system also includes chiller, and this chiller is positioned at water pump and water of radiation Between pipe, after the cooling of water pump coolant out cooled device, flow to heat dissipation pipe.
Preferably, this power battery thermal management system also includes external radiating device and is located at the battery case outside set of cells Body, this Battery case surface adds cascade, installs the second electromagnetic valve additional, at electricity between cascade and water pump, external radiating device Group switching centre region, pond installs internal temperature sensor additional;When in set of cells, temperature is less than uniform temperature, cascade is connected with water pump, each Heat dissipation pipe's coolant collaborates cascade, then is extracted into heat dissipation pipe by water pump, so circulates;When in set of cells temperature exceed this one During fixed temperature, cascade is connected with external radiating device, and each heat dissipation pipe's coolant collaborates cascade, leads to outside dissipating the most again Thermal, then it is extracted into heat dissipation pipe by water pump, so circulate.
Preferably, between heat dissipation pipe and cascade, install heater additional, between heat dissipation pipe and cascade, heater Installing the first electromagnetic valve additional, when the outer temperature of set of cells is less than 0 degree, heat dissipation pipe connects with heater, and cascade directly connects with water pump Logical, flow to cascade again after the heating of coolant heated device, set of cells is carried out heating and thermal insulation, is finally drawn back the flow direction by water pump and dissipate Hot-water line;When the outer temperature of set of cells is higher than 0 degree, and heat dissipation pipe connects with cascade.
Preferably, between water pump and heat dissipation pipe, install chiller additional, between water pump and chiller, heat dissipation pipe Installing the 3rd electromagnetic valve additional, when water pump water outlet temperature is higher than another specified temp, water pump is connected with chiller, and coolant is through cold Flow to heat dissipation pipe again after radiator cooler cooling, then flow through cascade, external radiating device, then be drawn back into water pump, so circulate;When When water temperature is less than another specified temp, water pump is connected with heat dissipation pipe.
The present invention can make power battery thermal management system realize shooting the arrow at the target, and can realize heat radiation and the guarantor of electrokinetic cell simultaneously Temperature, can also install different heat radiation/heat preservation module devices additional according to Different climate region or working temperature simultaneously.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage by by below in conjunction with the accompanying drawings with the description of embodiment And become apparent, the most identical reference represents identical feature all the time, wherein:
Fig. 1 is heat dissipation pipe's distribution schematic diagram of power battery thermal management system of the present invention.
Fig. 2 is heat dissipation pipe's schematic cross-section of power battery thermal management system of the present invention.
Fig. 3 is the cascade schematic diagram of power battery thermal management system of the present invention.
Fig. 4 is power battery thermal management system partial circulating schematic diagram of the present invention.
Fig. 5 is power battery thermal management system systemic circulation schematic diagram of the present invention.
Fig. 6 is that power battery thermal management system of the present invention heats partial circulating schematic diagram.
Fig. 7 is that power battery thermal management system of the present invention cools down systemic circulation schematic diagram.
Reference numeral illustrates:
Cell 1;Heat dissipation pipe 2;Cascade 3.
Detailed description of the invention
For the above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with the accompanying drawing tool to the present invention Body embodiment elaborates.
With detailed reference to accompanying drawing, embodiments of the invention are described now.Being preferable to carry out with detailed reference to the present invention now Example, its example is shown in the drawings.In the case of any possible, identical labelling will be used to represent phase in all of the figs Same or similar part.Although additionally, the term used in the present invention is to select from public term, but this Some terms mentioned in description of the invention are probably what applicant was selected by his or her judgement, and its detailed meanings is at this Explanation in the relevant portion of the description of literary composition.Additionally, require not only by the actual terms used, and it is also to by each The meaning that term is contained is to understand the present invention.
The present invention relates to a kind of power battery thermal management method and be a kind of heat dissipating method based on finite element analysis: by having Finite element analysis carries out heat emulation in addition experimental verification to power battery pack, finds out heating high-temperature area and the low-temperature region that generates heat. Generally heating concentration zones is in power battery pack central area, and the highest the closer to central area temperature, heat dissipating state is the poorest, further away from The regional temperature at center is the lowest, and heat dissipating state is the best.Therefore different heat dissipating methods, example can be taked for different temperatures region As high-temperature area is arranged intensive heat dissipation pipe or heat pipe, at the sparse heat abstractor that low-temperature region is arranged;Or at height The water pipe of temperature area uses the metal material of good heat conduction effect and low-temperature region uses the plastic material that heat-conducting effect is general;Again or Person carries out water-cooled or heat pipe cooling to high-temperature area, and low-temperature space is taked air-cooled or natural cooling.Namely relative to low-temperature space Territory, uses the more and/or more preferable heat abstractor of radiating effect or radiating mode at high-temperature area, so can accomplish that have puts Vow, the radiating efficiency of heat radiation device.
It is heat dissipating method that power battery thermal management system in the specific embodiment of the invention chooses water-cooled, because water-cooled It is more easy to heat centralized collection.Set of cells heating concentration zones (alternatively referred to as high temperature is found by finite element analysis and experimental verification Region) and good district (alternatively referred to as low-temperature region) of dispelling the heat, then set of cells heating concentration zones is installed additional the water of radiation of dense distribution Pipe, installs the heat dissipation pipe of sparse distribution additional to good district of dispelling the heat.Meanwhile, in heating concentration zones, water pipe uses aluminum alloy material, Low-temperature space uses plastic material.
Power battery thermal management system in the specific embodiment of the invention includes set of cells and heat abstractor, this electricity Pond group includes many cells 1, and this heat abstractor can be distributed across the multiple heat dissipation pipes 2 between described cell. When cell is cylindrical, as a example by 18650 batteries, heat dissipation pipe as shown in Figure 1 can be used, scheme of installation such as figure Shown in 2.Cell 1 is arranged in rectangular, forms cuboid-type, forms gap between 4 adjacent cells 1.Heat radiation The cross section of water pipe 2 is identical with the profile in this gap, with the sidewall of cell 1 of fitting, strengthens radiating effect.Heat dissipation pipe 2 is wide Degree and length are 18mm, and center is provided with the through hole of a diameter of 5mm, for cooling liquid stream mistake all.Coolant chiller uses Dividing wall type heat exchanger, notices that the line size parameter of logical coolant meets refrigerant evaporation needs.
Power battery thermal management system of the present invention can have polytype according to concrete use environment, will be situated between respectively below Continue:
1. basic type
Basic type power battery thermal management system also includes that (alternatively referred to as external radiating device is provided with scattered outside heat sink Hot-air fan) and water pump, after above-mentioned each heat dissipation pipe's coolant being collaborated, then lead to outside heat sink cooling, finally taken out by water pump Return to each heat dissipation pipe, so circulate.
2. modified model 1 is applicable to room temperature use region
Modified model 1, on the basis of above-mentioned basic type, is provided with Battery case outside set of cells, and this Battery case surface adds The cascade 3 that dress is arranged by heat dissipation pipe and formed, the arrangement mode of cascade is determined by finite element analysis, because cascade has insulation Effect, so cascade lays more multi-pipeline in good district of dispelling the heat, poor region of dispelling the heat is more sparse, cascade schematic diagram such as Fig. 3.
Each heat dissipation pipe's coolant flowing through set of cells heating region is collaborated cascade 3, leads to outside dissipating the most again Backing (alternatively referred to as external radiating device), then it is extracted into each inside battery heat-absorbing water pipe (alternatively referred to as water of radiation by water pump Pipe), so circulate.The second electromagnetic valve is installed additional, at set of cells center between battery case surface cascade and water pump, outside heat sink Region installs internal temperature sensor (calling interior temperature sensor in the following text) additional.Different according to temperature in set of cells, there are two kinds of circulation patterns, work as electricity In the group of pond, temperature is less than 40 degree, is controlled by the second electromagnetic valve, and cascade is connected with water pump, and coolant is without outside heat sink, only In Battery case inner loop, it is achieved partial circulating;When in set of cells, temperature is more than 40, by second electromagnetic valve control, cascade with Outside heat sink is connected, it is achieved systemic circulation.Owing to internal battery pack heat to be taken to the good Battery case surface of heat radiation, little follow Ring is possible not only to reduce outside heat sink heat radiation pressure and pump capacity supply pressure, more can be when low temperature by cascade High temperature coolant is set of cells insulation, achieves many things at one stroke.
Modified model 2 is applicable to low temperature and uses region
When winter temperature is extremely low, the only shortage of heat by set of cells self-heating thinks that set of cells is incubated.Therefore improving On the basis of type 1, between heat-absorbing water pipe and cascade, install heater additional, install external temperature sensor additional at set of cells outermost layer (claiming outer temperature sensor), between inside battery heat-absorbing water pipe and cascade, heater, install the first electromagnetic valve additional.By the first electromagnetism Valve controls, and when the outer temperature of set of cells is less than 0 degree, heat-absorbing water pipe is connected with heater, and cascade is directly connected with water pump.Coolant Flow to cascade after heated again, set of cells is carried out heating and thermal insulation, is finally drawn back by water pump and flow to heat-absorbing water pipe, it is achieved heat little Circulation.When the outer temperature of set of cells is higher than 0 degree, and heat-absorbing water pipe is connected with cascade, then describes with in modified model 1, by the second electromagnetism Valve controls, when in set of cells, temperature realizes partial circulating when being less than 40 degree;When temperature is higher than 40 degree in set of cells, carry out systemic circulation.
In some long-term temperature area less than 0 degree, because using heating partial circulating, outer radiator can not be installed additional.
The inapplicable area being higher than subzero 5 degree at long-term minimum temperature of modified model 2, i.e. without installing coolant in systems additional Heater.
Modified model 3 is applicable to applied at elevated temperature region
During the broiling summer, temperature usually reaches more than 35 degree, and surface temperature is higher, if the long-time high temperature of electric automobile is sudden and violent Shining, internal cooling liquid temp may rise more than 40 degree, water-cooled or air-cooled all have little effect.At this moment need by sky Adjusting system could meet the radiating requirements of set of cells.Modified model 3, on the basis of modified model 1, absorbs heat with inside battery at water pump Installing chiller between water pipe additional, the coolant of chiller is from air conditioning system.Cooling-water temperature sensor is installed additional, at water at pump outlet The 3rd electromagnetic valve is installed additional between pump and coolant chiller, inside battery heat-absorbing water pipe.Controlled by the 3rd electromagnetic valve, when going out When coolant-temperature gage is higher than 40 degree, water pump is connected with chiller, and coolant flows to heat-absorbing water pipe after coolant cools down again.When water temperature is low In 40 degree time, water pump is connected with inside battery heat-absorbing water pipe, and coolant flows to identical with modified model 1, by the second electromagnetic valve control System, when in set of cells, temperature is less than 40 degree, carries out with the partial circulating of narration in modified model 1;When in set of cells, temperature is higher than 40 degree, Carry out with the systemic circulation of narration in modified model 1.
Almightiness type is applicable to various temperature province
When electric motor car use variation of ambient temperature scope wide time, in order to tackle thermal extremes and extreme low temperature situation, to Upper all kinds carry out comprehensively, and making heat management system can be set of cells heating and thermal insulation when low temperature, again can be when high temperature to it Carry out good cooling.Comprehensive power battery thermal management system includes: inside battery heat-absorbing water pipe is ((the most scattered Hot-water line)), coolant heater, Battery case cascade, outside heat sink (alternatively referred to as external radiating device), water pump, cold But liquid chiller, the first electromagnetic valve, the second electromagnetic valve, the 3rd electromagnetic valve, internal temperature sensor, external temperature sensor and Leaving water temperature sensors.Whole system is controlled by ECU water-cool control unit.
Owing to relating to polytype, in addition Almightiness type be other type of comprehensively, comprise all the elements of invention.Therefore pass through In conjunction with Fig. 4 to Fig. 7, Almightiness type is explained orally, further describe invention with this.Difference can be taked for different weather burthen Heat radiation/heat insulation module, it is achieved heat management system modularity.
When the outer temperature of battery is less than 0 degree, opening heating partial circulating, coolant flows to as shown in Figure 1: water pump the 3rd electromagnetism Valve inside battery heat-absorbing water pipe the first electromagnetic valve coolant heater battery case surface cascade the second electromagnetism Valve water pump.
When the outer temperature of battery is higher than 0 degree, and interior temperature is less than 40 degree, opens partial circulating, and coolant flows to as shown in Figure 2: water pump 3rd electromagnetic valve inside battery heat-absorbing water pipe the first electromagnetic valve battery case surface cascade the second electromagnetic valve water pump.
When the outer temperature of battery is higher than 0 degree, interior temperature, higher than 40 degree, is divided into again following two pattern depending on water temperature condition:
Water pump water outlet temperature is less than 40 degree, opens systemic circulation, and coolant flows to as shown in Figure 3: water pump the 3rd electromagnetism Valve inside battery heat-absorbing water pipe the first electromagnetic valve battery case surface cascade the second electromagnetic valve outside heat sink water Pump.
Water pump water outlet temperature is higher than 40 degree, opens cooling systemic circulation, and coolant flows to as shown in Figure 4: water pump the 3rd electricity Magnet valve coolant chiller inside battery heat-absorbing water pipe the first electromagnetic valve battery case surface cascade the second electromagnetism Valve outside heat sink water pump.
The above-mentioned flow direction of simplified summary can be:
Room temperature, when in temperature situation on the low side (more than 0 degree, interior temperature is less than 40 degree to outer temperature), carries out partial circulating;Room temperature, works as temperature Spend higher situation (more than 0 degree, interior temperature is higher than 40 degree to outer temperature, and coolant-temperature gage is less than 40 degree), carry out systemic circulation, i.e. corresponding modified model 1 Power battery thermal management system pattern;
Under low temperature condition (outer temperature is less than 0 degree), partial circulating after heating, need to be carried out, i.e. heat partial circulating, corresponding modified model 2 Power battery thermal management system pattern;
High-temperature condition (more than 0 degree, interior temperature is higher than 40 degree to outer temperature, and coolant-temperature gage is higher than 40 degree), need to carry out systemic circulation after cooling down, I.e. cool down systemic circulation, the power battery thermal management system pattern of corresponding modified model 3.
The present invention proposes a kind of electrokinetic cell hot systems management method and finds out battery by finite element analysis and experimental verification Case heating temp is distributed, and different temperatures region is carried out different radiating modes, and proposition one can be for not on this basis Finite element Almightiness type modular battery heat management system with climatological region.
The present invention can make heat management device realize shooting the arrow at the target, and can realize heat radiation and the insulation of electrokinetic cell, simultaneously simultaneously Different heat radiation/heat preservation module devices can also be installed additional according to Different climate region or working temperature.
Although the foregoing describing the detailed description of the invention of the present invention, it will be appreciated by those of skill in the art that these Being merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back On the premise of the principle and essence of the present invention, these embodiments can be made various changes or modifications, but these change Protection scope of the present invention is each fallen within amendment.

Claims (10)

1. a power battery thermal management method, it is characterised in that: heating high-temperature area and the heating of first finding out electrokinetic cell are low Temperature area;Then different heat abstractors is used for high-temperature area and low-temperature region.
2. power battery thermal management method as claimed in claim 1, it is characterised in that: described different heat abstractor include with One or more under type: arrange intensive heat abstractor at high-temperature area, arrange sparse heat radiation dress at low-temperature region Put;Use the heat abstractor of metal material at high-temperature area, use the heat abstractor of plastic material at low-temperature region;And at high temperature Region carries out water-cooled or heat pipe cooling heat radiator, takes the air-cooled or heat abstractor of natural cooling at low-temperature region.
3. a power battery thermal management system, it is characterised in that: use electrokinetic cell heat management side as claimed in claim 2 Method, this power battery thermal management system includes set of cells, above-mentioned heat abstractor and water pump, and this set of cells includes many monomer electricity Pond, this heat abstractor includes the multiple heat dissipation pipes being distributed between described cell, and in heat dissipation pipe, circulation has coolant.
4. power battery thermal management system as claimed in claim 3, it is characterised in that: it is provided with battery case outside this set of cells Body, this Battery case surface installs the cascade arranged by other heat dissipation pipes and formed additional, and each heat dissipation pipe's coolant is collaborated Cascade, is then extracted into each heat dissipation pipe by water pump, so circulates.
5. power battery thermal management system as claimed in claim 4, it is characterised in that: this power battery thermal management system also wraps Including heater, this heater is between heat dissipation pipe and cascade, and each heated device of heat dissipation pipe's coolant is heated Rear interflow is to cascade.
6. power battery thermal management system as claimed in claim 3, it is characterised in that: it is provided with battery case outside this set of cells Body, this Battery case surface installs the cascade arranged by other heat dissipation pipes and formed additional, and this power battery thermal management system also wraps Including external radiating device, each heat dissipation pipe's coolant collaborates cascade, then by this external radiating device, then is taken out by water pump To heat dissipation pipe, so circulate.
7. power battery thermal management system as claimed in claim 6, it is characterised in that: this power battery thermal management system also wraps Including chiller, this chiller is between water pump and heat dissipation pipe, after the cooling of water pump coolant out cooled device Flow to heat dissipation pipe.
8. power battery thermal management system as claimed in claim 3, it is characterised in that: this power battery thermal management system also wraps Including external radiating device and be located at the Battery case outside set of cells, this Battery case surface adds cascade, at cascade and water Install the second electromagnetic valve between pump, external radiating device additional, install internal temperature sensor additional in set of cells central area;Work as set of cells When interior temperature is less than uniform temperature, cascade is connected with water pump, and each heat dissipation pipe's coolant collaborates cascade, then is extracted into by water pump Heat dissipation pipe, so circulates;When in set of cells, temperature exceedes this uniform temperature, cascade is connected with external radiating device, and each dissipates Hot-water line coolant collaborates cascade, leads to external radiating device the most again, then is extracted into heat dissipation pipe by water pump, so follows Ring.
9. power battery thermal management system as claimed in claim 8, it is characterised in that: install additional between heat dissipation pipe and cascade Heater, installs the first electromagnetic valve between heat dissipation pipe and cascade, heater additional, when the outer temperature of set of cells is less than 0 degree, dissipates Hot-water line is connected with heater, and cascade is directly connected with water pump, flows to cascade again, to electricity after the heating of coolant heated device Pond group carries out heating and thermal insulation, is finally drawn back by water pump and flows to heat dissipation pipe;When the outer temperature of set of cells is higher than 0 degree, heat dissipation pipe and water Curtain is connected.
10. power battery thermal management system as claimed in claim 8 or 9, it is characterised in that: between water pump and heat dissipation pipe Install chiller additional, between water pump and chiller, heat dissipation pipe, install the 3rd electromagnetic valve additional, when water pump water outlet temperature is higher than another During one specified temp, water pump is connected with chiller, flows to heat dissipation pipe again, then flow through after the cooling of coolant cooled device Cascade, external radiating device, then it is drawn back into water pump, so circulate;When water temperature is less than another specified temp, water pump and water of radiation Pipe is connected.
CN201610628991.7A 2016-08-04 2016-08-04 Heat management system and method for power battery Pending CN106058372A (en)

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CN106450093A (en) * 2016-11-30 2017-02-22 河南森源重工有限公司 Liquid cooling and heating control box body for cylinder power battery
CN106654442A (en) * 2016-11-14 2017-05-10 深圳市赛尔盈电子有限公司 Power battery cooling and heating integrated system and batteries
CN108232365A (en) * 2018-01-08 2018-06-29 杨彬 A kind of battery cell, the battery pack formed by the battery cell and the automobile for applying the battery pack
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CN110854469A (en) * 2019-11-26 2020-02-28 佛山职业技术学院 Power battery pack heat dissipation monitoring system
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CN114188636A (en) * 2021-12-25 2022-03-15 安徽因赛特新能源科技有限公司 Battery package water cooling system and battery package
CN114614125A (en) * 2022-04-08 2022-06-10 重庆金康赛力斯新能源汽车设计院有限公司 Battery, battery temperature adjusting method and battery management system

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EP3319148B1 (en) * 2016-11-07 2020-11-18 Erbslöh Aluminium GmbH Battery module
CN106654442A (en) * 2016-11-14 2017-05-10 深圳市赛尔盈电子有限公司 Power battery cooling and heating integrated system and batteries
CN106450093A (en) * 2016-11-30 2017-02-22 河南森源重工有限公司 Liquid cooling and heating control box body for cylinder power battery
CN108232365A (en) * 2018-01-08 2018-06-29 杨彬 A kind of battery cell, the battery pack formed by the battery cell and the automobile for applying the battery pack
CN108539084A (en) * 2018-06-25 2018-09-14 上海电机学院 New-energy automobile power battery with three-phase protective device
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WO2020147339A1 (en) * 2019-01-18 2020-07-23 丰疆智能科技股份有限公司 Battery heat dissipation device, battery pack having battery heat dissipation device and application thereof
CN110854469A (en) * 2019-11-26 2020-02-28 佛山职业技术学院 Power battery pack heat dissipation monitoring system
CN114188636A (en) * 2021-12-25 2022-03-15 安徽因赛特新能源科技有限公司 Battery package water cooling system and battery package
CN114614125A (en) * 2022-04-08 2022-06-10 重庆金康赛力斯新能源汽车设计院有限公司 Battery, battery temperature adjusting method and battery management system

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Application publication date: 20161026