CN106299550A - battery pack thermal management device - Google Patents
battery pack thermal management device Download PDFInfo
- Publication number
- CN106299550A CN106299550A CN201610829977.3A CN201610829977A CN106299550A CN 106299550 A CN106299550 A CN 106299550A CN 201610829977 A CN201610829977 A CN 201610829977A CN 106299550 A CN106299550 A CN 106299550A
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- China
- Prior art keywords
- heat
- bolster
- battery
- battery pack
- management device
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/617—Types of temperature control for achieving uniformity or desired distribution of temperature
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/643—Cylindrical cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
- H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/66—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells
- H01M10/663—Heat-exchange relationships between the cells and other systems, e.g. central heating systems or fuel cells the system being an air-conditioner or an engine
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- 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 utility model relates to a secondary battery technical field especially relates to a group battery heat management device, and it includes air conditioner mechanism and battery heat exchange module, air conditioner mechanism with battery heat exchange module connects through the inside circulation pipeline that contains the heat transfer liquid, battery heat exchange module includes the heat bolster, the heat bolster is made by phase change material, air conditioner mechanism is used for passing through the heat bolster with the group battery carries out the heat exchange. The battery pack heat management device realizes heat exchange of the battery pack through the air conditioning mechanism and the heat buffering member at the same time, and the heat buffering member is made of the phase-change material, so that the heat buffering member can buffer the heat exchange effect of the air conditioning mechanism on the battery pack, the temperature change of the battery pack tends to be smooth, and the service life of the battery pack is prolonged.
Description
Technical field
The application relates to secondary battery technology, particularly relates to a kind of battery pack heat management device.
Background technology
Electrokinetic cell is during high current charge-discharge, and inside battery can gather substantial amounts of heat, if heat is discharged not in time
Then battery pack temperature drastically raises, particularly large-capacity battery pack, and usual thermal discharge is higher and owing to meeting the need of energy density
Be more easy to accumulate heat, thus cause thermal runaway, bring further battery release gas, smolder, the consequence of leakage, in some instances it may even be possible to
Battery can be caused to burn, otherwise when set of cells is in low temperature environment, the life-span may be shortened, weaken discharge capability, institute
It is particularly important with the temperature treatment of electrokinetic cell.
So that the temperature of set of cells is in more satisfactory scope, the temperature of air conditioning apparatus regulating cell group can be used
Degree, specifically, the circulation line that air conditioning apparatus and set of cells contain heat exchange liquid by inside connects, and heat exchange liquid is at this circulation line
Middle circulation, realizes the heat exchange between set of cells and air conditioning apparatus with this.
But, the difference between heat exchange liquid and the temperature of set of cells of air conditioning apparatus is relatively big, if containing heat exchange liquid
Circulation line and set of cells directly carry out heat exchange, the battery core of set of cells can occur chilling or anxious heat, battery core variations in temperature ratio
Comparatively fast, thus cause life-span of set of cells shorter.
Summary of the invention
This application provides a kind of battery pack heat management device, to extend the life-span of set of cells.
The first aspect of the application provides a kind of battery pack heat management device, including air conditioning apparatus and battery heat exchange mould
The circulation line that block, described air conditioning apparatus and described battery heat exchange module contain heat exchange liquid by inside connects, and described battery changes
Thermal modules includes that heat bolster, described heat bolster are made up of phase-change material, and described air conditioning apparatus is delayed by described heat
Stamping and described set of cells carry out heat exchange.
Preferably, described heat bolster is made up of composite phase-change material, and described heat bolster has at least two phase
Temperature.
Preferably, a described phase transition temperature of described heat bolster is 10～25 DEG C, and another described phase transition temperature is
40～55 DEG C.
Preferably, described battery heat exchange module also includes the heat exchanging pipe through described heat bolster, described heat exchanger tube
Road includes body and is arranged at described intrinsic multiple dividing plates, and described intrinsic space is divided at least by described dividing plate
Two heat exchanger channels.
Preferably, described heat exchanging pipe is shaped form pipeline.
Preferably, described heat bolster is arranged between adjacent two battery cores of described set of cells.
Preferably, described air conditioning apparatus includes compressor, heat exchanger, and described compressor, heat exchanger contain free by inside
The circulating line adjusting coolant connects.
Preferably, the circulation line between described compressor and heat exchanger is provided with four-way change-over valve.
Preferably, the circulation line between described air conditioning apparatus and described battery heat exchange module is provided with choke valve.
Preferably, described battery core is cylindrical electrical core, and described heat bolster includes segmental arc, described segmental arc and described circle
The cylindrical periphery face of post battery core fits.
The technical scheme that the application provides can reach following beneficial effect:
Battery pack heat management device provided herein realizes set of cells by air conditioning apparatus and heat bolster simultaneously
Heat exchange, and heat bolster is made up of phase-change material, and therefore this heat bolster can buffer air conditioning apparatus to set of cells
Heat exchange effect so that the variations in temperature of set of cells tends towards stability, and extends the life-span of set of cells with this.
It should be appreciated that it is only exemplary that above general description and details hereinafter describe, can not be limited this
Application.
Accompanying drawing explanation
The heat bolster that Fig. 1 is provided by the embodiment of the present application coordinates schematic diagram with a kind of of set of cells；
Fig. 2 is the profile of structure shown in Fig. 1；
The heat bolster that Fig. 3 is provided by the embodiment of the present application coordinates schematic diagram with the another kind of of set of cells；
Fig. 4 is the profile of structure shown in Fig. 3；
The heat bolster that Fig. 5 is provided by the embodiment of the present application coordinates schematic diagram with another of set of cells；
Fig. 6 is the profile of structure shown in Fig. 5；
The structure diagram of the air conditioning apparatus that Fig. 7 is provided by the embodiment of the present application；
Fig. 8 is the phase-change material feature temperature rise curve of heat bolster.
Wherein, the solid arrow in Fig. 7 represent refrigeration follow bad under heat exchange liquid stream represent to, dotted arrow and heat under circulation
Heat exchange liquid stream to.
Reference:
10-set of cells；
100-battery core；
101-column battery core；
102-column battery core；
20-heat bolster；
30-compressor；
31-heat exchanger；
32-four-way change-over valve；
33-choke valve；
34-heat exchanging pipe；
340-body；
341-dividing plate.
Accompanying drawing herein is merged in description and constitutes the part of this specification, it is shown that meet the enforcement of the application
Example, and for explaining the principle of the application together with description.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing the application is described in further detail.
As shown in figures 1-8, the embodiment of the present application provides a kind of battery pack heat management device, this battery pack heat management device
Can realize heating or the cooling of set of cells 10, so that the operating temperature of set of cells is in ideal range, it includes sky
The circulation line that regulating mechanism and battery heat exchange module, air conditioning apparatus and battery heat exchange module contain heat exchange liquid by inside connects.
Air conditioning apparatus can absorb the heat in set of cells 10 by the state change of heat exchange liquid, or puts to set of cells 10
Heat.Alternatively, this air conditioning apparatus can include that compressor 30, heat exchanger 31, compressor 30, heat exchanger 31 contain air-conditioning by inside
The circulating line of coolant connects.Further, air conditioning apparatus may also include four-way change-over valve 32, and it is located at compressor 30 and heat exchange
On circulation line between device 31.This air conditioning apparatus can also include choke valve 33, and it is located at air conditioning apparatus and battery heat exchange mould
On circulation line between block.Compressor 30, four-way change-over valve 32, heat exchanger 31 and choke valve 33 join end to end successively and pass to shape
Become circulation line.By pipeline connection between above-mentioned four, heat exchange liquid circulates in this pipeline.
Battery heat exchange module includes heat bolster 20, and this heat bolster 20 is made up of phase-change material, this phase-change material
The state of self can be changed along with the change of temperature, absorb heat or release heat with this.This phase-change material can have
One phase transition temperature, only in refrigeration or only plays a role when heating with this.
Air conditioning apparatus can carry out heat exchange by heat bolster 20 and set of cells 10.That is, the heat in air conditioning apparatus
Can be transferred in set of cells 10 by heat bolster 20, specifically, heat bolster 20 directly can connect with set of cells 10
Touch, it is also possible to do not contact, as long as heat can be radiated in set of cells 10.Alternatively, heat bolster 20 can be opened
If heat exchanger channels, this heat exchanger channels runs through heat bolster 20, and this heat exchanger channels can directly be connected with air conditioning apparatus so that
Heat exchange liquid in air conditioning apparatus directly circulates in heat exchanger channels；Or, the pipeline that heat exchanger channels is available in air conditioning apparatus passes.
During the work of above-mentioned battery pack heat management device, the heat exchange liquid recycle stream in air conditioning apparatus moves, permissible in flow process
Absorbing heat or release heat, heat bolster 20 then can occur state to change under the temperature action of heat exchange liquid, with
The heat that air conditioning apparatus is transferred in set of cells 10 by this produces cushioning effect, and the variations in temperature preventing set of cells 10 is too fast.Cause
This this heat bolster 20 can buffer the air conditioning apparatus heat exchange effect to set of cells 10 so that the variations in temperature of set of cells 10 becomes
In gently and finally stable near the phase transition temperature of heat bolster 20, extend the life-span of set of cells 10 with this.
Owing to the heat management of set of cells 10 would generally comprise heating and two kinds of situations of cooling simultaneously, if the phase of phase-change material
Temperature is only one, then can only play a role under a kind of operating mode in heating and cooling.Therefore, in order to take into account heating and
Demand under cooling both operating modes, above-mentioned heat bolster 20 can be made up of composite phase-change material, so that this heat bolster
20 have at least two phase transition temperature, and at least two phase transition temperature therein can play respectively under refrigeration and heating condition to be made
With.
Above-mentioned phase-change material can use solid-liquid phase change material.Specifically can be selected for aquo-compound (such as lithium nitrate three aquation
Compound, crystallization of calcium chloride hydrate, sulfate crystal hydrate, sodium carbonate water of crystallization compound etc.), it would however also be possible to employ fat
Organic solid-liquid phase change materials (such as paraffin) such as fat hydro carbons, polymeric polyalcohols, polyene alcohols, it is also possible to be polyalcohols, macromolecule
The Studies of Solid-solid Phase Change Materials such as class (such as tetramethylolmethane, neopentyl glycol etc.), or other kinds of Organic composite phase change material.
Furthermore it is also possible to add graphite, carbon fiber, foam metal, nano aluminium oxide, nanoscale metal particles in phase-change material, receive
One or more highly heat-conductive material in meter level metal oxide particle, metal fillings, increases leading of phase-change material with this
Hot property.
Consider the concrete condition of engineering practice, each phase transition temperature of above-mentioned heat bolster 20 can be carried out as divided into
Put: phase transition temperature T is 10～25 DEG C, and another phase transition temperature T ' is 40～55 DEG C.Wherein, 10～25 DEG C of these phase transition temperatures
Can play a role when heating, 40～55 DEG C of these phase transition temperatures can play a role when refrigeration.This kind of heat bolster
The phase-change material feature temperature rise curve of 20 is as shown in Figure 8.Such as, less phase transition temperature (the first phase transformation temperature points T) is at air-conditioning
During mechanism's circulating-heating set of cells 10, it is possible to prevent set of cells 10 rate of heat addition too fast, meanwhile, in ambient temperature
Under conditions of relatively low, during of short duration parking, to 10 insulation effects of set of cells.Higher temperature spot (the second phase transformation temperature points T '),
During air conditioning apparatus circulating cooling set of cells, it is possible to prevent set of cells 10 cooldown rate too fast, it is to avoid set of cells 10 temperature
Degree rapid drawdown is to circulation line temperature, thus avoids the low temperature injury of set of cells 10.
Battery heat exchange module may also include the heat exchanging pipe 34 through heat bolster 20, in order to improve heat transfer effect, and should
Heat exchanging pipe 34 can include body 340 and be arranged at the multiple dividing plates 341 in this body 340, and this dividing plate 341 is by body 340
Interior space is divided at least two heat exchanger channels, and the heat exchange liquid in air conditioner structure can flow through this heat exchanger channels.Due to heat exchange
Liquid can compare and is evenly distributed in multiple heat exchanger channels, and therefore the variations in temperature of each several part in set of cells 10 can be more
Uniformly.
Above-mentioned heat exchanging pipe 34 can use linear heat exchanging pipe, it would however also be possible to employ shaped form pipeline, in view of shaped form
Effective transfer path of pipeline is longer, and therefore the heat exchanging pipe 34 of air conditioning apparatus is preferably shaped form pipe by the embodiment of the present application
Road.When this heat exchanging pipe 34 is shaped form pipeline, heat exchanger channels can also be correspondingly arranged as shaped form passage, and this shaped form is led to
The inwall in road fits with the outer surface of heat exchanging pipe 34, with this enhanced heat exchange effect.
It is to be appreciated that the fit form between set of cells 10 with heat bolster 20 compares various, it is set forth below several
The form that resultant effect is more satisfactory, certainly, the fit form between set of cells 10 and heat bolster 20 is not limited to following
That enumerates is several.
The first: as depicted in figs. 1 and 2, set of cells 10 can include multiple battery core 100 being sequentially stacked, heat bolster
20 can be arranged between adjacent two battery core 100.This embodiment uses the situation pair of stacked structure for set of cells 10
The fit system of heat bolster 20 and set of cells 10 should be designed, under which, heat bolster 20 can simultaneously with two electricity
Core 100 phase separation, and heat bolster 20 is more abundant with the interaction of battery core 100 so that heat bolster 20 can be same
The heat buffering of two battery cores 100 of Shi Shixian, and reach preferable heat buffering effect, and then extend battery core to a greater degree
Cycle life.
The second: as shown in Figure 3 and Figure 4, set of cells 10 can include column battery core 101, and this column battery core 101 offers dress
Joining groove, heat bolster 20 is installed in this assembling groove.After adopting the structure, heat bolster 20 and column battery core
Active area between 101 is bigger so that the buffering effect of heat bolster 20 is higher.This column battery core 101 can be arranged
For multiple, each column battery core 101 all can be offered aforesaid assembling groove, and heat bolster 20 can be matched with respectively simultaneously
In assembling groove in column battery core 101.It addition, multiple column battery cores 101 can in a row be distributed, same heat bolster 20
Can coordinate with the assembling groove in the column battery core 101 of adjacent two rows simultaneously.
The third: as shown in Figure 5 and Figure 6, set of cells 10 can include column battery core 102, heat bolster 20 and column electricity
The outer peripheral face of core 102 fits.When adopting the structure, the structure of column battery core 102 is without changing, it is only necessary to buffered by heat
Part 20 is arranged in the side of column battery core 102 so that column battery core 102 contacts with heat bolster 20.Therefore, this kind
Form is while realizing heat buffering, it is not necessary to improves the structure of column battery core 102, reduces the one-tenth of set of cells with this
This, better ensure that battery plays the function of self simultaneously.
In a kind of embodiment, above-mentioned battery core can use cylindrical electrical core, heat bolster 20 can include segmental arc, this segmental arc
Fit with the cylindrical periphery face of cylindrical electrical core.When heat bolster 20 includes segmental arc, heat bolster 20 and cylinder electricity
The contact area of core is bigger, improves heat buffering effect with this.
Further, above-mentioned cylindrical electrical core could be arranged to multiple, and each cylindrical electrical core is in a row distributed, the circle in adjacent two rows
Post battery core can be interspersed, in the heat bolster 20 space between adjacent two row's cylindrical electrical cores.Staggered point herein
The relative direction gained that cloth refers to along adjacent two row's cylindrical electrical cores projects interior, and wherein each cylindrical electrical core of a row is interspersed in
Between adjacent two cylindrical electrical cores in another row.It is arranged such the space being possible not only to make full use of in set of cells so that electricity
The energy density of pond group has promoted, it is also possible to shorten the distance between cylindrical electrical core and heat bolster 20, reaches to promote heat
The purpose of amount buffering effect.
Under a kind of application scenarios:
When air conditioning apparatus is in refrigeration mode, first the High Temperature High Pressure heat exchange liquid discharged from compressor 30 commutate through four-way
Valve 32 enters in heat exchanger 31, can be lost in external environment condition by the heat that heat exchange liquid carries by radiator fan, becomes middle temperature high
The subcooled liquid of pressure.Then heat exchange liquid stream crosses choke valve 33, flows through set of cells 10 after becoming the gas-liquid mixture of low-temp low-pressure.Change
Hydrothermal solution evaporation endothermic in set of cells 10 becomes the gas of low-temp low-pressure, thus brings the heat of set of cells 10 into air conditioning apparatus
In, meanwhile, also reduce the temperature of set of cells 10, it is achieved refrigerating function.First heat exchange liquid in heat exchanging pipe 34 cool down
The heat bolster 20 of pipeline outer wrapping, heat bolster 20 cools down the outer wall of set of cells 10, thus by the heat of set of cells 10
Take away.Heat exchanging pipe 34 is when cooling heat bolster 20, when the temperature of heat bolster 20 is reduced to the second phase transition temperature,
Heat bolster 20 discharges substantial amounts of latent heat of phase change, thus by the temperature stabilization of heat bolster 20 at the second phase transformation temperature points
Near.So avoid the surface temperature rapid drawdown temperature to heat exchanging pipe 34 of set of cells 10, it is to avoid the low temperature injury of battery.Finally
Under the swabbing action of compressor 30, heat exchange liquid is in four-way change-over valve 32 returns to compressor 30.Under the effect of compressor 30,
Medium becomes the gaseous medium of High Temperature High Pressure, completes once to circulate.
When air conditioning apparatus is in heating mode, under the suction and compression of compressor 30, low in heat exchanger 31
The gaseous medium of temperature low pressure enters compressor 30 through four-way change-over valve 32, becomes the mistake hot gaseous of High Temperature High Pressure, warp after compression
Another passage of four-way change-over valve 32 enters in set of cells 10.The heat carried is delivered to set of cells in set of cells 10 by medium
In 10, thus improving the temperature of set of cells 10, meanwhile, medium becomes the supercool heat exchange liquid of middle temperature high pressure.Heat exchanging pipe 34
When heating heat bolster 20, when the temperature of heat bolster 20 is increased to the first phase transition temperature, heat bolster 20 is inhaled
Receive substantial amounts of latent heat of phase change, thus by the temperature stabilization of heat bolster 20 near the first phase transformation temperature points.So avoid electricity
The surface temperature of pond group rises sharply to the temperature of heat exchanging pipe 34, it is to avoid the high-temperature damage of set of cells 10.Heat exchange liquid is in set of cells 10
Middle the heat carried passing to set of cells 10, thus improve the temperature of set of cells 10, meanwhile, it is high that heat exchange liquid becomes middle temperature
The subcooled liquid of pressure.From the heat exchange liquid of set of cells 10 discharge after choke valve 33, its temperature and pressure reduces further, becomes low
Enter evaporation endothermic in heat exchanger 31 after the gas-liquid mixed state of temperature low pressure, thus the heat in environment is brought in air conditioning apparatus.
From law of conservation of energy, being in the air conditioning apparatus under heating mode, the heat that set of cells 10 obtains is that medium is from heat exchanger
31 heat energy absorbed and compressor 30 power consumption sum, therefore the Energy Efficiency Ratio of system is higher.
The embodiment of the present application also provides for a kind of dynamical system, and this dynamical system can be that electrical equipment provides power, and it can
Including set of cells 10 and battery pack heat management device, this battery pack heat management device can carry out heat exchange with set of cells 10, this
Battery pack heat management device is the battery pack heat management device described in any of the above-described embodiment.
Hereinbefore list the multiple fit system of set of cells 10 and battery pack heat management device, in above-mentioned dynamical system
The structure of set of cells and battery pack heat management device can be designed by corresponding aforesaid multiple fit system, the most superfluous
State.
The foregoing is only the preferred embodiment of the application, be not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.All within spirit herein and principle, that is made any repaiies
Change, equivalent, improvement etc., within should be included in the protection domain of the application.
Claims (10)
1. a battery pack heat management device, it is characterised in that include air conditioning apparatus and battery heat exchange module, described air conditioning apparatus
The circulation line containing heat exchange liquid by inside with described battery heat exchange module connects, and described battery heat exchange module includes that heat delays
Stamping, described heat bolster is made up of phase-change material, and described air conditioning apparatus is by described heat bolster and described set of cells
Carry out heat exchange.
Battery pack heat management device the most according to claim 1, it is characterised in that described heat bolster is by composite phase-change
Material is made, and described heat bolster has at least two phase transition temperature.
Battery pack heat management device the most according to claim 2, it is characterised in that described in of described heat bolster
Phase transition temperature is 10～25 DEG C, and another described phase transition temperature is 40～55 DEG C.
Battery pack heat management device the most according to claim 1, it is characterised in that described battery heat exchange module also includes wearing
Cross the heat exchanging pipe of described heat bolster, described heat exchanging pipe include body and be arranged at described intrinsic multiple every
Plate, described intrinsic space is divided at least two heat exchanger channels by described dividing plate.
Battery pack heat management device the most according to claim 4, it is characterised in that described heat exchanging pipe is shaped form pipe
Road.
6. according to the battery pack heat management device according to any one of claim 1-5, it is characterised in that described heat bolster
It is arranged between adjacent two battery cores of described set of cells.
7. according to the battery pack heat management device according to any one of claim 1-5, it is characterised in that described air conditioning apparatus bag
Including compressor, heat exchanger, the circulating line that described compressor, heat exchanger contain air conditioner coolant by inside connects.
Battery pack heat management device the most according to claim 7, it is characterised in that between described compressor and heat exchanger
Circulation line is provided with four-way change-over valve.
Battery pack heat management device the most according to claim 7, it is characterised in that described air conditioning apparatus and described battery change
Circulation line between thermal modules is provided with choke valve.
Battery pack heat management device the most according to claim 6, it is characterised in that described battery core is cylindrical electrical core, described
Heat bolster includes that segmental arc, described segmental arc fit with the cylindrical periphery face of described cylindrical electrical core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610829977.3A CN106299550A (en) | 2016-09-19 | 2016-09-19 | battery pack thermal management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610829977.3A CN106299550A (en) | 2016-09-19 | 2016-09-19 | battery pack thermal management device |
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| CN106299550A true CN106299550A (en) | 2017-01-04 |
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| CN201610829977.3A Pending CN106299550A (en) | 2016-09-19 | 2016-09-19 | battery pack thermal management device |
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Cited By (8)
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| CN106785214A (en) * | 2017-01-17 | 2017-05-31 | 华霆（合肥）动力技术有限公司 | Filled type heat abstractor and supply unit |
| CN108075083A (en) * | 2018-01-12 | 2018-05-25 | 无锡巨日电子科技有限公司 | The power battery assembly that can be heated and radiate |
| FR3063137A1 (en) * | 2017-02-23 | 2018-08-24 | Valeo Systemes Thermiques | THERMAL EXCHANGER AND DEVICE FOR THERMALLY REGULATING AT LEAST ONE ELECTRICAL ENERGY STORAGE MEMBER |
| WO2019028510A1 (en) * | 2017-08-08 | 2019-02-14 | Cape Bouvard Technologies Pty Ltd | A structural battery |
| CN110828727A (en) * | 2019-09-29 | 2020-02-21 | 东莞新能源科技有限公司 | Battery module |
| CN114744344A (en) * | 2022-04-26 | 2022-07-12 | 合肥国轩高科动力能源有限公司 | Cylindrical battery cell energy storage battery box |
| EP4261983A1 (en) * | 2022-04-15 | 2023-10-18 | CALB Co., Ltd. | Battery pack |
| EP4261995A1 (en) * | 2022-04-15 | 2023-10-18 | CALB Co., Ltd. | Battery apparatus |
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| CN108075083A (en) * | 2018-01-12 | 2018-05-25 | 无锡巨日电子科技有限公司 | The power battery assembly that can be heated and radiate |
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