CN107171040A - Battery cooling apparatus - Google Patents
Battery cooling apparatus Download PDFInfo
- Publication number
- CN107171040A CN107171040A CN201710409954.1A CN201710409954A CN107171040A CN 107171040 A CN107171040 A CN 107171040A CN 201710409954 A CN201710409954 A CN 201710409954A CN 107171040 A CN107171040 A CN 107171040A
- Authority
- CN
- China
- Prior art keywords
- shell
- battery
- coolant
- mainboard
- outer shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01M10/613—Cooling or keeping cold
-
- 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
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
Abstract
The present invention relates to a kind of battery cooling apparatus, including：Battery, the battery has shell, and the outer surface of the shell is provided with insulating barrier formation external insulation shell；Outer shell, to accommodate coolant, the outer shell is made up of upper shell, lower house, and the upper shell, lower house surround sheath body cavity, and the outer shell is provided with inlet and liquid outlet；Mainboard, to assemble battery, the mainboard offers several mounting holes；The battery top is sealed with the mainboard and installed, and the bottom of the external insulation shell is placed in the sheath body cavity of outer shell.The external insulation shell of the present invention is soaked in coolant or cooled down by the moving air in sheath body cavity, has reached that holding battery longitudinal temperature is uniform, and the uniform purpose of temperature between battery.
Description
Present patent application is divisional application.The application number of original bill is CN201410741687.4, and the applying date is 2014
In on December 08, in, denomination of invention is：A kind of battery cooling apparatus.
Technical field
Set the present invention relates to the heat exchange of electric automobile, oil-electric vehicle or fuel cell car power accumulator
Standby field, more particularly to a kind of battery cooling apparatus.
Background technology
Electrokinetic cell, as the power resources of electric automobile, is to improve vehicle performance and reduce a crucial ring for cost, its
Temperature characterisitic directly affects performance, life-span and the durability of automobile, lithium ion battery because than can it is big, have extended cycle life, self discharge
Rate is low, allow the advantages of operating temperature range is wide, cryogenic effect is good as presently preferred power accumulator, therefore ensures battery
Each interior monocell, which is operated in, need to maintain the temperature homogeneity between each battery while in the range of reasonable temperature.Use at present
The battery type of cooling it is main by liquid cooling and air cooling, air cooling is to be passed through the heat of battery by moving the wind produced
Air ejector fan is taken away, but the type of cooling is not suitable in the running environment of high-discharge-rate and high temperature.
Liquid cooling system is as shown in figure 1, cooling liquid flows through heat exchanger C and battery bag A bottoms under water pump D driving
Battery heat-conducting plate B, the heat of the heat derives of inside battery, but inside battery is needed by the electrode and electrolyte in battery
Heat is vertically delivered on the battery heat-conducting plate B of battery bottom, heat conduction path is long, causes that heat transfer resistance is big, change
The thermal efficiency is low, the vertical direction temperature difference is larger, require harsher to outside cooling system performance；And inside battery heat-conducting plate B
Cooling liquid is to flow successively through each battery bag A bottoms, and the chilled liquid temperature for flowing through each battery heat-conducting plate B is inconsistent, from
And cause the temperature difference between battery bag A and battery bag A larger, it is impossible to ensure the uniformity of the temperature between battery and battery.
The content of the invention
The technical problem to be solved in the present invention is：Overcome the deficiencies in the prior art there is provided a kind of battery cooling apparatus, improve
Heat exchange efficiency between battery and coolant, has reached the upper and lower temperature difference for reducing single battery, and between battery the temperature difference mesh
's.
The technical solution adopted for the present invention to solve the technical problems is：A kind of battery cooling apparatus, including：
Battery, the battery has shell, and the outer surface of the shell is provided with insulating barrier formation external insulation shell；
Outer shell, to accommodate coolant, the outer shell is made up of upper shell, lower house, and the upper shell, lower house are surrounded
Sheath body cavity, the outer shell is provided with inlet and liquid outlet；
Mainboard, to assemble battery, the mainboard offers several mounting holes；
The battery top seals with the mainboard and installed, and the bottom of the external insulation shell is placed in the sheath body cavity of outer shell
In, the bottom of the external insulation shell is hanging, or, the bottom of the external insulation shell is contacted with the inwall bottom of lower house.
Further, the insulating barrier is made of spraying or parcel or pyrocondensation technique.
Further, the insulating barrier is made of macromolecule polymer material.
Further, the insulating barrier uses ceramic powders or resin or polyimides or Teflon material or insulating tape
It is made.
Further, the external insulation shell passes through welding or fast slotting or clamping or seal with elastometic washer with mounting hole
Or rubber sheet gasketing sealing or liquid fluid sealant or paste fluid sealant is fixed or thread seal is fixed.
Further, the mainboard is aluminium alloy or stainless steel or plastics or resin material, and the external insulation shell is aluminium
Alloy or stainless steel material or plastics or aluminum plastic film, the external insulation shell are square or circle.
Further, the battery is a plurality of, and the size of a plurality of batteries is identical；Or a plurality of battery average marks
For two classes, the cross-sectional area of first kind battery is two times of Equations of The Second Kind cell cross-section product, and first kind battery-arrangements are in neighbouring
The position of the water inlet, Equations of The Second Kind battery-arrangements are in the position of the neighbouring delivery port；Or a plurality of batteries are flat
Three classes are divided into, the cross-sectional area of the first kind battery is 3/2nds times of Equations of The Second Kind cell cross-section product, first kind electricity
The cross-sectional area in pond is three times of the 3rd class cell cross-section product, and the is arranged in sequence with since the position of the neighbouring water inlet
One class battery, Equations of The Second Kind battery and the 3rd class battery；
The size of each mounting hole of the mainboard is adapted with the size of the external insulation shell of corresponding each class battery.
Intracavitary is filled with coolant in the sheath body of the outer shell, and the bottom of the external insulation shell is hanging above coolant
Or be placed in coolant, coolant flow direction is left and right to flowing or front and rear to flowing.Wherein, coolant is water.
Several battery proper alignments and the mainboard, which are sealed, to be installed, or, several batteries are staggered with the master
Plate sealing is installed.
The beneficial effects of the invention are as follows：Battery top is sealed with the mainboard and installed, and the bottom of the external insulation shell is put
In the sheath body cavity of outer shell, external insulation shell is soaked in coolant, has reached that holding battery longitudinal temperature is uniform, and electricity
The uniform purpose of temperature between pond.
Outer shell is provided with inlet and liquid outlet, is conducive to the flowing of cooling liquid, improves the heat exchange efficiency of battery.
Brief description of the drawings
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of existing cooling system；
Fig. 2 is the battery schematic diagram that outer surface is provided with insulating barrier；
Fig. 3 is to install sealing ring, the structural representation of the battery of felt pad；
Fig. 4 is the schematic diagram that battery is tightly connected with mainboard；
Fig. 5 is the structural representation that battery installs mainboard；
Fig. 6 is the structural representation that each battery is arranged on mainboard；
Fig. 7 is the structural representation of outer shell；
Fig. 8 is a kind of sealing means of battery；
Fig. 9 is another sealing means of battery；
Wherein, 1, battery, 2, external insulation shell, 3, mainboard, 4, outer shell, 41, upper shell, 42, lower house, 11, sealing ring,
12nd, electrical insulation pad, 13, exhaust outlet.
Embodiment
Presently in connection with accompanying drawing, the present invention is further illustrated.These accompanying drawings are simplified schematic diagram only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows the composition relevant with the present invention.
As shown in Figures 1 to 7, a kind of battery cooling apparatus, including：Battery 1, battery 1 has shell, the outer surface of shell
Provided with insulating barrier formation external insulation shell 2.Shell can use metal shell, non-metal shell or composite material, multiple
Condensation material can for example select aluminum plastic film.
Outer shell 4, to accommodate coolant, outer shell 4 is made up of upper shell 41, lower house 42, upper shell 41, lower house
42 surround sheath body cavity, and outer shell 4 is provided with inlet and liquid outlet.
Mainboard 3, to assemble battery 1, mainboard 3 offers several mounting holes；The top of battery 1 is sealed with the mainboard 3
Install, the bottom of external insulation shell 2 is placed in the sheath body cavity of outer shell.The bottom of external insulation shell 2 is hanging, or, it is described
The bottom of external insulation shell 2 is contacted with the inwall bottom of lower house 42.Mounting hole can be by being stamped and formed out, can also be by note
Modeling or cutting are formed.
In the present embodiment, insulating barrier is made of spraying or parcel or pyrocondensation technique, or, insulating barrier uses macromolecule
Polymeric material is made, or, insulating barrier is made of ceramic powders or resin or polyimides or Teflon material.Insulating barrier
Insulating tape can be also used, the combination of these sealed insulation modes is can also be.
In the present embodiment, external insulation shell 2 is sealed with mounting hole and fixed, and fixing seal fixed form is：Outside external insulation
Shell 2 passes through welding or fast slotting or clamping or seal with elastometic washer or rubber sheet gasketing sealing or liquid with mounting hole
Fluid sealant or paste fluid sealant are fixed or fixed using thread seal as shown in Figure 3.
As shown in Figures 3 to 5, the electrode on battery 1 is in bolt shape, electrical insulation pad 12 is set with two electrodes and close
Seal 11, and in the upper end of battery 1 with an exhaust outlet 13, two electrodes of battery 1 are connected through the mounting hole on mainboard 3
Then nut is fixed, and the upper end sealing surface (sealing positive and negative electrode, steam vent) of battery 1 forms sealing between mainboard 3 and matched somebody with somebody
Close.
As shown in Figure 8 and Figure 9, to the sealed sealing means of battery 1：By positive and negative electrode, steam vent 13 (or safety
Valve) sealed by sealing ring 11, and isolate with coolant；Certainly, sealing means also have many kinds, and this patent includes various
Sealing means, are not limited to certain specific sealing means.
Mainboard 3 is aluminium alloy or stainless steel or plastics or resin material, and the external insulation shell is aluminium alloy or stainless steel
Material or plastics or aluminum plastic film, the external insulation shell are square or circle.
Several proper alignments of battery 1 are sealed with mainboard 3 and installed, or, several batteries 1 are staggered close with mainboard 3
Envelope is installed.
Intracavitary is filled with coolant in the sheath body of outer shell, and the bottom of external insulation shell vacantly above coolant or is placed in cold
But in liquid, coolant flow direction is left and right to flowing or front and rear to flowing.
In the present embodiment, the bottom of external insulation shell is placed in coolant, reduces the heat transfer between battery 1 and coolant
Thermal resistance, has reached that the longitudinal temperature of holding battery 1 is uniform, and the uniform purpose of temperature between battery 1；Through the feed liquor on outer shell 4
Mouth and liquid outlet, are easy to the flowing of coolant, improve the heat exchange efficiency of battery 1.
The present embodiment exports battery 1 with being applicable not only to the heat efficient uniform for producing electrokinetic cell 1, be also applied for by
Outside heat imports battery 1.
In a preferred embodiment, battery 1 is a plurality of, and the size of a plurality of batteries 1 is identical；Or a plurality of batteries 1 are flat
Be divided into two classes, the cross-sectional area of first kind battery is two times of Equations of The Second Kind cell cross-section product, and first kind battery-arrangements in
The position of neighbouring water inlet, Equations of The Second Kind battery-arrangements are in the position of neighbouring delivery port；Or a plurality of batteries 1 are equally divided into three classes,
The cross-sectional area of first kind battery is 3/2nds times of Equations of The Second Kind cell cross-section product, the cross-sectional area of first kind battery is the
Three times of three class cell cross-sections product, first kind battery, Equations of The Second Kind battery are arranged in sequence with since the position of neighbouring water inlet
With the 3rd class battery.
Immersion type cooling cannot be only used for rectangular cell, be also applied for circular batteries.
The interior insulation shell of the size of each mounting hole of mainboard 3 and corresponding each class battery or external insulation shell 2
Size is adapted.
Understand that the chilling temperature around the battery 1 of first row is minimum according to the flow direction of cooling liquid, the temperature of battery 1 is most
It is low, good cooling results, therefore the cross-sectional area of reduction battery 1 in batches, the radial direction heat transfer resistance of battery 1 can be reduced, reduce electricity
Temperature difference between the core inner of pond 1 and outside cooling liquid, can by way of reducing the cross-sectional area of cooling liquid downstream battery 1
Make the central temperature balance of all batteries 1 in the inside of outer shell 4, to keep the performance of of battery 1 itself to reach optimum efficiency, in reality
During operation, the water inlet and delivery port of cooling liquid can also be switched over by regular (1 hour or 1 day), to keep runner
The front and rear Temperature Distribution of battery 1 is evenly.Spacing between battery 1 be it is uniform, spacing be 2mm~5mm between, adjacent sidewall
Battery 1 and the distance between side wall be between 5mm~7mm；Spacing between battery 1 may also be non-equidistant.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (3)
1. a kind of battery cooling apparatus, it is characterised in that including：
Battery, the battery has shell, and the outer surface of the shell is provided with insulating barrier formation external insulation shell；
Outer shell, to accommodate coolant, the outer shell is made up of upper shell, lower house, and the upper shell, lower house are surrounded
Sheath body cavity, the outer shell is provided with inlet and liquid outlet；
Mainboard, to assemble battery, the mainboard offers several mounting holes；
The battery top seals with the mainboard and installed, and the bottom of the external insulation shell is placed in the sheath body cavity of outer shell
In, the bottom of the external insulation shell is hanging, or, the bottom of the external insulation shell is contacted with the inwall bottom of lower house；
Intracavitary is filled with coolant in the sheath body of the outer shell, and the bottom of the external insulation shell is placed in coolant, described cold
But liquid flow direction for left and right to flowing or it is front and rear to flowing, wherein, coolant is water, the insulating barrier use Teflon material system
Into, and the insulating barrier uses spraying or packing technology to be made.
2. a kind of battery cooling apparatus, it is characterised in that including：
Battery, the battery has shell, and the outer surface of the shell is provided with insulating barrier formation external insulation shell；
Outer shell, to accommodate coolant, the outer shell is made up of upper shell, lower house, and the upper shell, lower house are surrounded
Sheath body cavity, the outer shell is provided with inlet and liquid outlet；
Mainboard, to assemble battery, the mainboard offers several mounting holes；
The battery top seals with the mainboard and installed, and the bottom of the external insulation shell is placed in the sheath body cavity of outer shell
In, the bottom of the external insulation shell is hanging, or, the bottom of the external insulation shell is contacted with the inwall bottom of lower house；
Intracavitary is filled with coolant in the sheath body of the outer shell, and the bottom of the external insulation shell is placed in coolant, described cold
But liquid flow direction for left and right to flowing or it is front and rear to flowing, wherein, coolant is water, the insulating barrier use high molecular polymer material
Material is made.
3. a kind of battery cooling apparatus, it is characterised in that including：
Battery, the battery has shell, and the inner surface of the shell is provided with insulating barrier formation interior insulation shell；
Outer shell, to accommodate coolant, the outer shell is made up of upper shell, lower house, and the upper shell, lower house are surrounded
Sheath body cavity, the outer shell is provided with inlet and liquid outlet；
Mainboard, to assemble battery, the mainboard offers several mounting holes；
The battery top seals with the mainboard and installed, and the bottom of the interior insulation shell is placed in the sheath body cavity of outer shell
In, the bottom of the interior insulation shell is hanging, or, the bottom of the interior insulation shell is contacted with the inwall bottom of lower house；
Intracavitary is filled with coolant in the sheath body of the outer shell, and the bottom of the interior insulation shell is placed in coolant, described cold
But liquid flow direction for left and right to flowing or it is front and rear to flowing, wherein, coolant is water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710409954.1A CN107171040A (en) | 2014-12-08 | 2014-12-08 | Battery cooling apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410741687.4A CN104466300A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
| CN201710409954.1A CN107171040A (en) | 2014-12-08 | 2014-12-08 | Battery cooling apparatus |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410741687.4A Division CN104466300A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107171040A true CN107171040A (en) | 2017-09-15 |
Family
ID=52911963
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410741687.4A Pending CN104466300A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
| CN201810831782.1A Pending CN109509932A (en) | 2014-12-08 | 2014-12-08 | Battery thermal management |
| CN201710460359.0A Pending CN107293822A (en) | 2014-12-08 | 2014-12-08 | Battery cooling apparatus |
| CN201710409954.1A Pending CN107171040A (en) | 2014-12-08 | 2014-12-08 | Battery cooling apparatus |
| CN201610434771.0A Pending CN105958156A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410741687.4A Pending CN104466300A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
| CN201810831782.1A Pending CN109509932A (en) | 2014-12-08 | 2014-12-08 | Battery thermal management |
| CN201710460359.0A Pending CN107293822A (en) | 2014-12-08 | 2014-12-08 | Battery cooling apparatus |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610434771.0A Pending CN105958156A (en) | 2014-12-08 | 2014-12-08 | Battery cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN104466300A (en) |
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| CN103647117B (en) * | 2013-11-04 | 2015-12-02 | 河南福森新能源科技有限公司 | A kind of internal structure of soft package lithium ion battery and assemble method |
| CN203746929U (en) * | 2013-12-29 | 2014-07-30 | 长城汽车股份有限公司 | Battery system for supplying power for hybrid vehicle |
| CN104124492A (en) * | 2014-07-24 | 2014-10-29 | 谢彦君 | Power battery heat management device and manufacturing method thereof |
| CN204333162U (en) * | 2014-12-08 | 2015-05-13 | 江苏港星方能超声洗净科技有限公司 | A kind of battery cooling apparatus |
-
2014
- 2014-12-08 CN CN201410741687.4A patent/CN104466300A/en active Pending
- 2014-12-08 CN CN201810831782.1A patent/CN109509932A/en active Pending
- 2014-12-08 CN CN201710460359.0A patent/CN107293822A/en active Pending
- 2014-12-08 CN CN201710409954.1A patent/CN107171040A/en active Pending
- 2014-12-08 CN CN201610434771.0A patent/CN105958156A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620282A (en) * | 2018-06-19 | 2019-12-27 | 罗伯特·博世有限公司 | Battery module with a plurality of battery cells |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104466300A (en) | 2015-03-25 |
| CN105958156A (en) | 2016-09-21 |
| CN109509932A (en) | 2019-03-22 |
| CN107293822A (en) | 2017-10-24 |
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