CN108879023A - A kind of Thermal Management System for EV Battery Packs that air is coupled with coolant liquid - Google Patents
A kind of Thermal Management System for EV Battery Packs that air is coupled with coolant liquid Download PDFInfo
- Publication number
- CN108879023A CN108879023A CN201810771610.XA CN201810771610A CN108879023A CN 108879023 A CN108879023 A CN 108879023A CN 201810771610 A CN201810771610 A CN 201810771610A CN 108879023 A CN108879023 A CN 108879023A
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- battery
- coldplate
- coupling
- air
- battery case
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- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 239000002826 coolant Substances 0.000 title claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 129
- 239000012782 phase change material Substances 0.000 claims abstract description 21
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000008878 coupling Effects 0.000 claims description 124
- 238000010168 coupling process Methods 0.000 claims description 124
- 238000005859 coupling reaction Methods 0.000 claims description 124
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 29
- 239000000741 silica gel Substances 0.000 claims description 26
- 229910002027 silica gel Inorganic materials 0.000 claims description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 25
- 238000009423 ventilation Methods 0.000 claims description 20
- 239000012530 fluid Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 15
- 230000000712 assembly Effects 0.000 claims description 11
- 238000000429 assembly Methods 0.000 claims description 11
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 10
- 238000009413 insulation Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 6
- 229920001684 low density polyethylene Polymers 0.000 description 16
- 239000004702 low-density polyethylene Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 239000004831 Hot glue Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 9
- 239000012188 paraffin wax Substances 0.000 description 8
- 239000002131 composite material Substances 0.000 description 7
- 230000007423 decrease Effects 0.000 description 5
- 239000010410 layer Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M10/615—Heating or keeping warm
-
- 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
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/6554—Rods or plates
-
- 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
-
- 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 the thermal management technology field of electric automobile power battery group, the Thermal Management System for EV Battery Packs coupled more particularly, to a kind of air with coolant liquid.Installation is combined with on-vehicle battery monomer on the body of a car, and be connected with the electronic control unit ECU of automobile, it is made of Battery case, phase-change material, battery case end cap, battery refrigerating module, air inlet duct guide housing, exhaust passage guide housing, thermocouple, speed-regulating fan；Thermocouple and speed-regulating fan are installed on the air inlet of battery case end cap, thermocouple is installed on air outlet, thermocouple is connected with vehicle electronic control unit ECU, and ECU is connected with speed-regulating fan and controls its revolving speed.The present invention improves the temperature consistency between on-vehicle battery monomer surface and on-vehicle battery monomer；Improve air with couple the heat transfer rate of coldplate；The high temperature heat dissipation and low-temperature insulation ability of system are further improved, good heat dissipation effect can be obtained under different operating conditions.
Description
One, technical field
The present invention relates to the thermal management technology fields of electric automobile power battery group, more particularly, to a kind of air and cooling
The Thermal Management System for EV Battery Packs of liquid coupling.
Two, background technique
Under the promotion of energy crisis and problem of environmental pollution, new-energy automobile is developed rapidly, and hybrid power
Automobile and pure electric automobile are Typical Representatives therein.In this kind of automobile, usually by on-vehicle battery monomer in the form of series-parallel
Battery pack is formed, for providing suitable voltage and enough electricity.In car running process, the chemical reaction of inside battery
And battery itself internal resistance effect will cause on-vehicle battery monomer temperature constantly rise and on-vehicle battery monomer on each position
Temperature it is inconsistent；Simultaneously because between each on-vehicle battery monomer there are the internal resistance of cell caused by foozle and internal chemical at
The difference divided, dissipating-heat environment of each on-vehicle battery monomer in battery pack is again not exactly the same, therefore each vehicle mounted electric in battery pack
The temperature of pond monomer is also inconsistent, eventually lead to battery pack fever and internal battery pack temperature it is inconsistent.This not only can
Capacity and the service life decline of battery pack are caused, or even serious safety problem can be generated.Simultaneously when the temperature of battery pack is too low,
Battery pack not only charge and discharge capacity sharp fall, can also damage the service life of battery pack.Therefore automobile power cell group is carried out
It is electricity that temperature, which is controlled to improve the heat dissipation of the high temperature of battery pack and low-temperature insulation ability and keep the consistency of internal battery pack temperature,
Pond group heat management system needs key problems-solving.
The radiating mode that automobile power cell group generallys use at present mainly has air-cooled and two kinds of liquid cooling.Wind-cooling heat dissipating i.e. to
Ventilation in battery pack takes away heat by the heat exchange of the temperature difference of air and battery pack, and liquid-cooling heat radiation then pass through liquid directly or
It connects and is contacted with battery, take away heat using the flowing of coolant liquid.But these radiating modes be primarily upon how by heat from battery
It is exported in group, and it is ineffective in terms of the consistency for maintaining internal battery pack temperature.China State Intellectual Property Office Patent Office
A Publication No. CN102832425A, a kind of entitled " heat of batteries of electric automobile packet are disclosed on December 19th, 2012
Management system and its thermal management algorithm "；The technology absorbs the heat that battery generates by placing cold plate between two layers of battery, cold
A cooling liquid flowing channel is equipped in plate.This technology takes heat out of battery pack using coolant liquid, but pipeline is too long in cold plate,
Temperature rise is excessively high in coolant flow, and pipe end cooling condition is poor, causes the temperature consistency of internal battery pack not high.China
Patent Office of State Intellectual Property Office discloses a Publication No. CN205621775U on October 05th, 2016, and entitled " one
Kind fills the cooling battery case of gelled multiple exit batteries of electric automobile air "；The technology is between two batteries by cooling fin shape
At air duct on fin is added, take away heat using the flowing of air, but the radiating efficiency when environment temperature is higher is lower, together
When do not have the heat insulation function of battery pack yet.
Three, summary of the invention
The purpose of the present invention is overcoming the deficiencies of existing technologies, a kind of electric car that air is coupled with coolant liquid electricity is provided
Pond group heat management system.
The present invention combines installation with on-vehicle battery monomer on the body of a car, and the electronic control unit ECU phase with automobile
Connection, technical solution are by Battery case, phase-change material, battery case end cap, battery refrigerating module, air inlet duct guide housing, go out
Air duct guide housing, thermocouple, speed-regulating fan composition；
The Battery case is the cuboid opening shell of double Shell, is cavity, shell between two layers of double Shell
Phase-change material injection hole is set on body；The phase-change material of melting injects cavity by phase-change material injection hole, and by silk plug and close
Seal sealing；Battery case end cap is made of cover board, air inlet and air outlet, and air inlet is located among cover board, air outlet be located at into
Air port two sides, the size of cover board and the open size of Battery case match；
The battery refrigerating module is composed of coupling coldplate and on-vehicle battery monomer；Coupling coldplate is,
Bend the above and below of font water tank, the fixed upper and lower collecting plate of sealing is constituted respectively, and the size phase with on-vehicle battery monomer
Match, anti-icing fluid is perfused in bow font water tank and is sealed with silk plug；By the bow font water tank that upper and lower collecting plate seals, constitute
A plurality of longitudinal ventilation road；Upper and lower collecting plate, and bow font water tank are made from a material that be thermally conductive；In every piece of coupling coldplate
Upper and lower surfaces respectively with heat conductive silica gel paste on-vehicle battery monomer formed battery refrigerating module；According to on-vehicle battery monomer
Quantity, determining battery refrigerating module quantity, with heat conductive silica gel by a left side for the coupling coldplate of 3 or 4 battery refrigerating modules,
Right two sides bond together, and constitute battery refrigerating module assembly；
Two groups of adjacent battery refrigerating module assemblys are combined, fixed with the sealing of air inlet duct guide housing, be connected to two
Between group battery refrigerating module, air intake passage is constituted with corresponding longitudinal ventilation road；It is close with two exhaust passage guide housing difference
The other both sides in the longitudinal ventilation road of two groups of battery refrigerating module assemblys are determined, are connected in sealing, respectively correspond composition two and go out
Wind channel；Two groups of battery refrigerating module assemblys are combined rear integral installation into Battery case；Battery case end cap is fixed
It is installed to the opening of Battery case, the air inlet on battery case end cap is correspondingly connected with air intake passage, two on battery case end cap
A air outlet is correspondingly connected with two air-out passages respectively；
Thermocouple and speed-regulating fan are installed on the air inlet of battery case end cap, thermocouple, thermoelectricity are installed on air outlet
Even to be connected with vehicle electronic control unit ECU, ECU is connected with speed-regulating fan and controls its revolving speed.
The beneficial effects of the invention are as follows：
1, coupling the anti-icing fluid in the bow font water tank of coldplate can be improved by internal flow enhuancement heat exchange
The temperature consistency of on-vehicle battery monomer surface；Adjacent coupled coldplate improves vehicle mounted electric by heat conductive silica gel transmission of heat by contact
Temperature consistency between the monomer of pond；
2, it couples the longitudinal ventilation road formed between bow font water tank and collecting plate in coldplate and increases anti-icing fluid and sky
The heat exchange area of gas, improve air with couple the heat transfer rate of coldplate；
3, the specific heat capacity that battery refrigerating module is increased using the anti-icing fluid in coupling coldplate, effectively reduces battery pack
The pace of change of temperature improves the high temperature heat dissipation and low-temperature insulation ability of system；The phase transformation material filled in Battery case interlayer
Material can melt heat absorption when battery pack temperature is excessively high, and heat release is solidified when environment temperature is too low, further improve system
High temperature heat dissipation and low-temperature insulation ability；
4, electronic control unit ECU can pass through control fan according to the temperature for the air inlet and air outlet that thermocouple monitoring arrives
Rotational speed regulation air velocity can obtain good heat dissipation effect under different operating conditions.
Four, Detailed description of the invention
Fig. 1 is the explosive view for the overall structure diagram that the present invention is applied to 12 on-vehicle battery monomers；
Fig. 2 is the shaft side figure of surface structure schematic diagram of the present invention；
Fig. 3 is the top view of present invention coupling plate structure of cooling schematic diagram；
Fig. 4 is the A-A cross-sectional view of Fig. 3；
Fig. 5 is the top view of battery case end cover structure schematic diagram of the present invention；
Fig. 6 is the front view of battery case end cover structure schematic diagram of the present invention；
Fig. 7 is the A-A cross-sectional view of Fig. 6；
Fig. 8 is battery refrigerating module assembly, the air inlet duct baffle, outlet air that the present invention is applied to 12 on-vehicle battery monomers
Road baffle, battery case end cap, speed-regulating fan and thermocouple combination scheme of installation；
Fig. 9 is the axonometric drawing for the battery refrigerating module assembly schematic diagram that the present invention is applied to 12 on-vehicle battery monomers；
Figure 10 is the axonometric drawing of Battery case structural schematic diagram of the present invention；
Figure 11 is the top view of Battery case structural schematic diagram of the present invention；
Figure 12 is the A-A cross-sectional view of Figure 11；
Figure 13 is the B-B cross-sectional view of Figure 11；
Figure 14 is the schematic diagram of control circuit of the present invention；
Figure 15 is the explosive view for the overall structure diagram that the present invention is applied to 16 on-vehicle battery monomers；
Figure 16 is that the present invention is applied to the battery refrigerating module assembly of 16 on-vehicle battery monomers, air inlet duct baffle, goes out
Air channel barrier, battery case end cap, speed-regulating fan and thermocouple combination scheme of installation；
Figure 17 is the axonometric drawing for the battery refrigerating module assembly schematic diagram that the present invention is applied to 16 on-vehicle battery monomers.
Appended drawing reference
1, Battery case 1-1, phase-change material injection hole 1-2, sealing ring 1-3, silk plug；
2, battery case end cap 2-1 cover board 2-2-1, air outlet 2-2-2, air outlet 2-3, air inlet；
3, air inlet duct guide housing；
4-1, exhaust passage guide housing；4-2, exhaust passage guide housing；
5-1, on-vehicle battery monomer 5-2, on-vehicle battery monomer 5-3, on-vehicle battery monomer 5-4, on-vehicle battery monomer
It is 5-5, on-vehicle battery monomer 5-6, on-vehicle battery monomer 5-7, on-vehicle battery monomer 5-8, on-vehicle battery monomer 5-9, vehicle-mounted
Battery cell 5-10, on-vehicle battery monomer 5-11, on-vehicle battery monomer 5-12, on-vehicle battery monomer 5-13, on-vehicle battery
Monomer 5-14, on-vehicle battery monomer 5-15, on-vehicle battery monomer 5-16, on-vehicle battery monomer；
6-1, coupling coldplate 6-1-1-1, upper collecting plate 6-1-1-2, lower collecting plate 6-1-2, bow font water tank 6-
1-3, anti-icing fluid 6-1-4, silk plug 6-2, coupling coldplate 6-3, coupling coldplate 6-4, coupling coldplate 6-4-4, silk plug
6-5, coupling coldplate 6-5-4, silk plug 6-6, coupling coldplate 6-6-4, silk plug 6-7, coupling coldplate 6-7-4, silk plug
6-8, coupling coldplate 6-8-4, silk plug；
7-1, thermocouple 7-2, thermocouple 7-3, thermocouple；
8, electronic control unit ECU；
9, speed-regulating fan.
Five, specific embodiment
Embodiment one：
The present invention is described in detail is applied to the implementation process of 12 on-vehicle battery monomers with reference to the accompanying drawing：
As shown in Figure 1, Figure 2, shown in Figure 14, the present invention combines installation with on-vehicle battery monomer on the body of a car, and and automobile
Electronic control unit ECU8 be connected, be by Battery case 1, low density polyethylene (LDPE)/paraffin composite phase change material, battery case end
Lid 2, battery refrigerating module, air inlet duct guide housing 3, exhaust passage guide housing 4-1, exhaust passage guide housing 4-2, thermocouple 7-1, thermoelectricity
Even 7-2, thermocouple 7-3, speed-regulating fan 9 form；
As shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Figure 10, Figure 11, Figure 12, Figure 13, the Battery case 1 is double
The cuboid opening shell of layer shell is cavity between two layers of double Shell, phase-change material injection hole 1-1 is arranged on shell；
The low density polyethylene (LDPE) of melting/paraffin composite phase change material injects cavity by phase-change material injection hole 1-1, and by silk plug 1-3
It is sealed with sealing ring 1-2；Battery case end cap 2 is made of cover board 2-1, air inlet 2-3 and air outlet 2-2-1, air outlet 2-2-2,
Air inlet 2-3 is located among cover board 2-1, and air outlet 2-2-1, air outlet 2-2-2 are located at the two sides air inlet 2-3, the ruler of cover board 2-1
The very little open size with Battery case 1 matches；
As shown in Fig. 1, Fig. 3, Fig. 4, Fig. 8, Fig. 9, the battery refrigerating module is by coupling coldplate 6-1 and on-vehicle battery
Monomer 5-1, on-vehicle battery monomer 5-7 are composed；Coupling coldplate 6-1 is, in the above and below point of bow font water tank 6-1-2
Upper and lower collecting plate 6-1-1-1,6-1-1-2 Mi Feng not be fixed to constitute, and with on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-
7 size matches, and anti-icing fluid 6-1-3 is perfused in bow font water tank 6-1-2 and is sealed with silk plug 6-1-4；By collecting above and below
The bow font water tank 6-1-2 of hot plate 6-1-1-1,6-1-1-2 sealing, constitutes a plurality of longitudinal ventilation road；Upper and lower collecting plate 6-1-
1-1,6-1-1-2, and bow font water tank 6-1-2 is made of metal；In the upper and lower surfaces point of coupling coldplate 6-1
On-vehicle battery monomer 5-1,5-7, which are not pasted, with heat conductive silica gel forms battery refrigerating module；In the upper and lower table of coupling coldplate 6-2
On-vehicle battery monomer 5-2,5-8 are pasted with heat conductive silica gel respectively and forms battery refrigerating module in face；Coupling coldplate 6-3 it is upper,
On-vehicle battery monomer 5-3,5-9 are pasted with heat conductive silica gel respectively and forms battery refrigerating module in lower surface；Coupling coldplate 6-4's
Upper and lower surfaces paste on-vehicle battery monomer 5-4,5-10 with heat conductive silica gel respectively and form battery refrigerating module；In coupling coldplate
The upper and lower surfaces of 6-5 paste on-vehicle battery monomer 5-5,5-11 with heat conductive silica gel respectively and form battery refrigerating module；It is cold coupling
But the upper and lower surfaces of plate 6-6 paste on-vehicle battery monomer 5-6,5-12 formation battery refrigerating module with heat conductive silica gel respectively；With leading
Hot silica gel bonds together the arranged on left and right sides for coupling coldplate 6-1,6-2,6-3, constitutes battery refrigerating module assembly；With
Heat conductive silica gel bonds together the arranged on left and right sides for coupling coldplate 6-4,6-5,6-6, constitutes another battery refrigerating module group
It is fit；
As shown in Figure 1, Figure 2, shown in Fig. 8, two groups of adjacent battery refrigerating module assemblys are combined, will be entered the wind with hot melt adhesive
Guide housing 3 fixing seal in road is connected between two groups of battery refrigerating modules, and it is logical to constitute air inlet with corresponding longitudinal ventilation road
Road；With hot melt adhesive by two exhaust passages guide housing 4-1,4-2 respectively fixing seal, be connected to two groups of battery refrigerating module assemblys
Longitudinal ventilation road other both sides, respectively correspond constitute two air-out passages；By two groups of battery refrigerating module assembly phase groups
Integral installation is into the matching Battery case 1 of inside dimension after conjunction；Battery case end cap 2 is installed to the spacious of Battery case 1
Mouthful, and sealed and fixed with hot melt adhesive；Air inlet 2-3 sealed connection corresponding with air intake passage hot melt adhesive on battery case end cap 2,
Two air outlets 2-2-1,2-2-2 sealed connection corresponding with two air-out passage hot melt adhesive respectively on battery case end cap 2；
As shown in Figure 1, Figure 2, shown in Figure 14, thermocouple 7-2 and speed-regulating fan are installed on the air inlet 2-3 of battery case end cap 2
9, thermocouple 7-1 is installed on air outlet 2-2-1, thermocouple 7-3, thermocouple 7-1, thermocouple are installed on air outlet 2-2-2
7-2, thermocouple 7-3 are connected with electronic control unit ECU8 respectively, and electronic control unit ECU8 is connected with speed-regulating fan 9, control
The revolving speed of speed-regulating fan 9.
The present invention is applied to the operational process of 12 on-vehicle battery monomers：
In car running process, electronic control unit ECU8 by speed-regulating fan 9 by cold air from battery case end cap 2
Air inlet 2-3 be delivered in air inlet duct guide housing 3, then by coupling coldplate 6-1, coupling coldplate 6-2, coupling coldplate
Each longitudinal ventilation road in 6-3 respectively enters exhaust passage guide housing 4-1；By coupling coldplate 6-4, coupling coldplate 6-5,
Each longitudinal ventilation road in coupling coldplate 6-6 enters exhaust passage guide housing 4-2；Finally respectively from battery case end cap 2
Air outlet 2-2-1 and 2-2-2 outflow；
The heat that on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-7 are generated passes through the upper collection of coupling coldplate 6-1 respectively
Hot plate 6-1-1-1, lower collecting plate 6-1-1-2 are conducted to bow font water tank 6-1-2, bend the anti-icing fluid 6- in font water tank 6-1-2
The specific heat capacity of 1-3 is higher, can effectively absorb the heat of on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-7 generation and delay temperature
Degree increases.Meanwhile coolant liquid 6-1-3 is by the heat exchange of internal flow enhuancement, improves on-vehicle battery monomer 5-1, vehicle-mounted
The temperature consistency on the surface battery cell 5-7, on-vehicle battery monomer 5-2, on-vehicle battery monomer 5-8；On-vehicle battery monomer 5-3,
On-vehicle battery monomer 5-9；On-vehicle battery monomer 5-4, on-vehicle battery monomer 5-10；On-vehicle battery monomer 5-5, on-vehicle battery monomer
5-11；On-vehicle battery monomer 5-6, on-vehicle battery monomer 5-12 respectively with couple coldplate 6-2, coupling coldplate 6-3, coupling it is cold
But identical operational effect is generated after plate 6-4, coupling coldplate 6-5, coupling coldplate 6-6 combination.In battery refrigerating module group
In zoarium, coupling coldplate 6-1, coupling coldplate 6-2, couples the heat conductive silica gel between coldplate 6-3 and couple coldplate
6-4, coupling coldplate 6-5, the heat conductive silica gel between coupling coldplate 6-6 by heat transfer, improve coupling coldplate 6-1,
It couples coldplate 6-2, coupling coldplate 6-3 and coupling coldplate 6-4, coupling coldplate 6-5, couple between coldplate 6-6
Temperature consistency, to improve on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-2, on-vehicle battery monomer 5-3, vehicle mounted electric
Pond monomer 5-7, on-vehicle battery monomer 5-8, the temperature consistency between on-vehicle battery monomer 5-9 and on-vehicle battery monomer 5-4,
On-vehicle battery monomer 5-5, on-vehicle battery monomer 5-6, on-vehicle battery monomer 5-10, on-vehicle battery monomer 5-11, on-vehicle battery list
Temperature consistency between body 5-12.It is increased in coupling coldplate 6-1 by the longitudinal ventilation road that bow font water tank 6-1-2 is formed
The heat exchange area of air and anti-icing fluid 6-1-3, improves heat transfer rate, enhances heat dissipation effect, coupling coldplate 6-2, coupling
Coldplate 6-3, coupling coldplate 6-4, coupling coldplate 6-5, coupling coldplate 6-6 operational effect having the same, heating
Air takes heat out of battery case from the air outlet 2-2-1 and air outlet 2-2-2 of battery case end cap 2.
Electronic control unit ECU8 passes through on the air inlet 2-3 and air outlet 2-2-1 of battery case end cap 2, air outlet 2-2-2
Thermocouple 7-2, thermocouple 7-1, the thermocouple 7-3 of installation monitor the air themperature for flowing in and out battery case, work as air themperature
When higher, electronic control unit ECU8 is guaranteed by the faster rotational speed speed air flow of raising speed-regulating fan 9 in different operating conditions
Under heat dissipation effect while as far as possible reduce speed-regulating fan 9 consume energy.
When on-vehicle battery monomer when the temperature is excessively high, on the one hand couple coldplate 6-1, coupling coldplate 6-2, coupling cooling
Plate 6-3, coupling coldplate 6-4, coupling coldplate 6-5, the anti-icing fluid coupled in the bow font water tank of coldplate 6-6 can be absorbed
Heat, the interior low density polyethylene (LDPE)/paraffin composite phase change material filled of another aspect Battery case 1, which can also pass through to melt, to absorb heat
The heat that battery distributes is absorbed, and maintains the constant of temperature in the process, enhances the high temperature heat-sinking capability of battery case；Work as vapour
When vehicle is out of service, coldplate 6-1, coupling coldplate 6-2, coupling coldplate 6-3, coupling coldplate 6-4, coupling are on the one hand coupled
Closing in the bow font water tank of coldplate 6-5, coupling coldplate 6-6, there is the anti-icing fluid compared with high specific heat capacity can delay battery pack
The decline of temperature, the interior low density polyethylene (LDPE)/paraffin composite phase change material filled of another aspect Battery case 1 can also be by solidifying
Gu heat release delays the decline of battery pack temperature, the low-temperature insulation ability of battery case is enhanced, the utilization of battery pack power is improved
Rate.
Embodiment two：
The present invention is described in detail is applied to the implementation process of 16 on-vehicle battery monomers with reference to the accompanying drawing：
As shown in Fig. 2, Figure 14, Figure 15, the present invention combines installation with on-vehicle battery monomer on the body of a car, and and automobile
Electronic control unit ECU8 be connected, technical solution by Battery case 1, low density polyethylene (LDPE)/paraffin composite phase change material,
Battery case end cap 2, battery refrigerating module, air inlet duct guide housing 3, exhaust passage guide housing 4-1, exhaust passage guide housing 4-2, thermocouple
7-1, thermocouple 7-2, thermocouple 7-3, speed-regulating fan 9 form；
As shown in Fig. 2, Fig. 5, Fig. 6, Fig. 7, Figure 10, Figure 11, Figure 12, Figure 13, Figure 15, Figure 16, the Battery case 1 is
The cuboid opening shell of double Shell is cavity between two layers of double Shell, phase-change material injection hole 1- is arranged on shell
1；The low density polyethylene (LDPE) of melting/paraffin composite phase change material injects cavity by phase-change material injection hole 1-1, and by silk plug 1-
3 and sealing ring 1-2 sealing；Battery case end cap 2 is made of cover board 2-1, air inlet 2-3 and air outlet 2-2-1, air outlet 2-2-2,
Air inlet 2-3 is located among cover board 2-1, and air outlet 2-2-1, air outlet 2-2-2 are located at the two sides air inlet 2-3, the ruler of cover board 2-1
The very little open size with Battery case 1 matches；
As shown in Fig. 3, Fig. 4, Figure 15, Figure 16, Figure 17, the battery refrigerating module is by coupling coldplate 6-1 and vehicle-mounted
Battery cell 5-1, on-vehicle battery monomer 5-7 are composed；Coupling coldplate 6-1 is, in the upper and lower of bow font water tank 6-1-2
Face, sealing fixed upper and lower collecting plate 6-1-1-1,6-1-1-2 is constituted respectively, and with on-vehicle battery monomer 5-1, on-vehicle battery
The size of monomer 5-9 matches, and anti-icing fluid 6-1-3 is perfused in bow font water tank 6-1-2 and is sealed with silk plug 6-1-4；By
The bow font water tank 6-1-2 of upper and lower collecting plate 6-1-1-1,6-1-1-2 sealing, constitutes a plurality of longitudinal ventilation road；Upper and lower collection
Hot plate 6-1-1-1,6-1-1-2, and bow font water tank 6-1-2 is made of metal；Coupling coldplate 6-1 it is upper,
On-vehicle battery monomer 5-1,5-9 are pasted with heat conductive silica gel respectively and forms battery refrigerating module in lower surface；Coupling coldplate 6-2's
Upper and lower surfaces paste on-vehicle battery monomer 5-2,5-10 with heat conductive silica gel respectively and form battery refrigerating module；In coupling coldplate
The upper and lower surfaces of 6-3 paste on-vehicle battery monomer 5-3,5-11 with heat conductive silica gel respectively and form battery refrigerating module；It is cold coupling
But the upper and lower surfaces of plate 6-4 paste on-vehicle battery monomer 5-4,5-12 formation battery refrigerating module with heat conductive silica gel respectively；In coupling
The upper and lower surfaces for closing coldplate 6-5 paste on-vehicle battery monomer 5-5,5-13 with heat conductive silica gel respectively and form battery refrigerating module；
On-vehicle battery monomer 5-6,5-14, which are pasted, with heat conductive silica gel respectively in the upper and lower surfaces of coupling coldplate 6-6 forms battery cooling
Module；On-vehicle battery monomer 5-7,5-15, which are pasted, with heat conductive silica gel respectively in the upper and lower surfaces of coupling coldplate 6-7 forms battery
Refrigerating module；On-vehicle battery monomer 5-8,5-16 is pasted with heat conductive silica gel respectively in the upper and lower surfaces of coupling coldplate 6-8 to be formed
Battery refrigerating module；The arranged on left and right sides for coupling coldplate 6-1,6-2,6-3,6-4 is bonded together with heat conductive silica gel, is constituted
Battery refrigerating module assembly；The arranged on left and right sides for coupling coldplate 6-5,6-6,6-7,6-8 is bonded in one with heat conductive silica gel
It rises, constitutes another battery refrigerating module assembly；
As shown in Fig. 2, Figure 15, Figure 16, two groups of adjacent battery refrigerating module assemblys are combined, are used by hot melt adhesive
Air inlet duct guide housing 3 is fixed, is connected between two groups of battery refrigerating modules, and it is logical to constitute air inlet with corresponding longitudinal ventilation road
Road；It fixed respectively by hot melt adhesive with two exhaust passages guide housing 4-1,4-2, be connected to two groups of battery refrigerating module assemblys
The other both sides in longitudinal ventilation road respectively correspond and constitute two air-out passages；Two groups of battery refrigerating module assemblys are combined
Integral installation is into the matching Battery case 1 of inside dimension afterwards；Battery case end cap 2 is installed to the opening of Battery case 1,
And it is sealed and is fixed with hot melt adhesive；Air inlet 2-3 sealed connection corresponding with air intake passage hot melt adhesive on battery case end cap 2, electricity
Two air outlets 2-2-1,2-2-2 sealed connection corresponding with two air-out passage hot melt adhesive respectively on pond case end cap 2；
As shown in Fig. 2, Figure 14, Figure 15, thermocouple 7-2 and speed-regulating fan are installed on the air inlet 2-3 of battery case end cap 2
9, thermocouple 7-1 is installed on air outlet 2-2-1, thermocouple 7-3, thermocouple 7-1, thermocouple are installed on air outlet 2-2-2
7-2, thermocouple 7-3 are connected with electronic control unit ECU8 respectively, and electronic control unit ECU8 is connected with speed-regulating fan 9, control
The revolving speed of speed-regulating fan 9.
The present invention is applied to the operational process of 16 on-vehicle battery monomers：
In car running process, electronic control unit ECU8 by speed-regulating fan 9 by cold air from battery case end cap 2
Air inlet 2-3 be delivered in air inlet duct guide housing 3, then by coupling coldplate 6-1, coupling coldplate 6-2, coupling coldplate
Each longitudinal ventilation road in 6-3, coupling coldplate 6-4 enters exhaust passage guide housing 4-1；Pass through coupling coldplate 6-5, coupling
Coldplate 6-6, coupling coldplate 6-7, each longitudinal ventilation road coupled in coldplate 6-8 enter exhaust passage guide housing 4-2；Most
Afterwards respectively from air outlet 2-2-1 and the 2-2-2 outflow on battery case end cap 2；
The heat that on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-9 are generated passes through the upper collection of coupling coldplate 6-1 respectively
Hot plate 6-1-1-1, lower collecting plate 6-1-1-2 are conducted to bow font water tank 6-1-2, bend the anti-icing fluid 6- in font water tank 6-1-2
The specific heat capacity of 1-3 is higher, can effectively absorb the heat of on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-9 generation and delay temperature
Degree increases.Meanwhile coolant liquid 6-1-3 is by the heat exchange of internal flow enhuancement, improves on-vehicle battery monomer 5-1, vehicle-mounted
The temperature consistency on the surface battery cell 5-9, on-vehicle battery monomer 5-2, on-vehicle battery monomer 5-10；On-vehicle battery monomer 5-3,
On-vehicle battery monomer 5-11；On-vehicle battery monomer 5-4, on-vehicle battery monomer 5-12；On-vehicle battery monomer 5-5, on-vehicle battery list
Body 5-13；On-vehicle battery monomer 5-6, on-vehicle battery monomer 5-14；On-vehicle battery monomer 5-7, on-vehicle battery monomer 5-15；It is vehicle-mounted
Battery cell 5-8, on-vehicle battery monomer 5-16 respectively with couple coldplate 6-2, coupling coldplate 6-3, coupling coldplate 6-4,
Identical operation effect is generated after coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, coupling coldplate 6-8 combination
Fruit.In battery refrigerating module assembly, coupling coldplate 6-1, coupling coldplate 6-2, coupling coldplate 6-3, coupling cooling
Heat conductive silica gel and coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, coupling coldplate 6- between plate 6-4
Heat conductive silica gel between 8 improves coupling coldplate 6-1, coupling coldplate 6-2, coupling coldplate 6-3, coupling by heat transfer
It closes coldplate 6-4 and coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, couple between coldplate 6-8
Temperature consistency, to improve on-vehicle battery monomer 5-1, on-vehicle battery monomer 5-2, on-vehicle battery monomer 5-3, on-vehicle battery
Monomer 5-4, on-vehicle battery monomer 5-9, on-vehicle battery monomer 5-10, on-vehicle battery monomer 5-11, on-vehicle battery monomer 5-12 it
Between temperature consistency and on-vehicle battery monomer 5-5, on-vehicle battery monomer 5-6, on-vehicle battery monomer 5-7, on-vehicle battery list
Body 5-8, on-vehicle battery monomer 5-13, on-vehicle battery monomer 5-14, on-vehicle battery monomer 5-15, between on-vehicle battery monomer 5-16
Temperature consistency.Coupling coldplate 6-1 in by the longitudinal ventilation road that bow font water tank 6-1-2 is formed increase air with it is antifreeze
The heat exchange area of liquid 6-1-3, improves heat transfer rate, enhances heat dissipation effect, coupling coldplate 6-2, coupling coldplate 6-3,
Coupling coldplate 6-4, coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, coupling coldplate 6-8 are with identical
Operational effect, the air of heating takes heat out of battery case from the air outlet 2-2-1 and air outlet 2-2-2 of battery case end cap 2.
Electronic control unit ECU8 passes through on the air inlet 2-3 and air outlet 2-2-1 of battery case end cap 2, air outlet 2-2-2
Thermocouple 7-2, thermocouple 7-1, the thermocouple 7-3 of installation monitor the air themperature for flowing in and out battery case, work as air themperature
When higher, electronic control unit ECU8 is guaranteed by the faster rotational speed speed air flow of raising speed-regulating fan 9 in different operating conditions
Under heat dissipation effect while as far as possible reduce speed-regulating fan 9 consume energy.
When on-vehicle battery monomer when the temperature is excessively high, on the one hand couple coldplate 6-1, coupling coldplate 6-2, coupling cooling
Plate 6-3, coupling coldplate 6-4, coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, couple coldplate 6-8's
Heat can be absorbed in anti-icing fluid in bow font water tank, and the low density polyethylene (LDPE)/paraffin filled in another aspect Battery case 1 is multiple
The heat that phase-change material can also be distributed by melting the absorption battery that absorbs heat is closed, and maintains the constant of temperature in the process, is increased
The strong high temperature heat-sinking capability of battery case；When automobile is out of service, on the one hand couple coldplate 6-1, coupling coldplate 6-2,
Couple coldplate 6-3, coupling coldplate 6-4, coupling coldplate 6-5, coupling coldplate 6-6, coupling coldplate 6-7, coupling it is cold
But there is the decline that can delay battery pack temperature compared with the anti-icing fluid of high specific heat capacity, another party in the bow font water tank of plate 6-8
Low density polyethylene (LDPE)/paraffin composite phase change the material filled in face Battery case 1 can also delay battery pack by solidifying heat release
The decline of temperature enhances the low-temperature insulation ability of battery case, improves the utilization rate of battery pack power.
Claims (1)
1. the Thermal Management System for EV Battery Packs that a kind of air is coupled with coolant liquid is combined with on-vehicle battery monomer and is mounted on
On body of a motor car, and it is connected with the electronic control unit ECU of automobile, it is characterized in that by Battery case, phase-change material, battery case
End cap, battery refrigerating module, air inlet duct guide housing, exhaust passage guide housing, thermocouple, speed-regulating fan composition；
The Battery case is the cuboid opening shell of double Shell, is cavity between two layers of double Shell, on shell
Phase-change material injection hole is set；The phase-change material of melting injects cavity by phase-change material injection hole, and by silk plug and sealing ring
Sealing；Battery case end cap is made of cover board, air inlet and air outlet, and air inlet is located among cover board, and air outlet is located at air inlet
Two sides, the size of cover board and the open size of Battery case match；
The battery refrigerating module is composed of coupling coldplate and on-vehicle battery monomer；Coupling coldplate is, in bow word
The above and below of shape water tank, the fixed upper and lower collecting plate of sealing is constituted respectively, and is matched with the size of on-vehicle battery monomer,
Anti-icing fluid is perfused in bow font water tank and is sealed with silk plug；By the bow font water tank that upper and lower collecting plate seals, constitute a plurality of
Longitudinal ventilation road；Upper and lower collecting plate, and bow font water tank are made from a material that be thermally conductive；The upper and lower of coldplate is coupled at every piece
On-vehicle battery monomer is pasted with heat conductive silica gel respectively and forms battery refrigerating module in surface；According to the quantity of on-vehicle battery monomer, really
Fixed battery refrigerating module quantity, with heat conductive silica gel by the arranged on left and right sides of the coupling coldplate of 3 or 4 battery refrigerating modules
It bonds together, constitutes battery refrigerating module assembly；
Two groups of adjacent battery refrigerating module assemblys are combined, fixed with the sealing of air inlet duct guide housing, be connected to two groups of electricity
Between the refrigerating module of pond, air intake passage is constituted with corresponding longitudinal ventilation road；It is sealed respectively with two exhaust passage guide housings solid
The other both sides in longitudinal ventilation road that is fixed, being connected to two groups of battery refrigerating module assemblys, it is logical to respectively correspond two outlet air of composition
Road；Two groups of battery refrigerating module assemblys are combined rear integral installation into Battery case；Battery case end cap is fixedly mounted
To the opening of Battery case, the air inlet on battery case end cap is correspondingly connected with air intake passage, and two on battery case end cap go out
Air port is correspondingly connected with two air-out passages respectively；
Thermocouple and speed-regulating fan are installed on the air inlet of battery case end cap, thermocouple is installed on air outlet, thermocouple with
Vehicle electronic control unit ECU is connected, and ECU is connected with speed-regulating fan and controls its revolving speed.
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