CN207808980U - A kind of thermal management system of whole pure electric vehicle - Google Patents
A kind of thermal management system of whole pure electric vehicle Download PDFInfo
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- CN207808980U CN207808980U CN201820055893.3U CN201820055893U CN207808980U CN 207808980 U CN207808980 U CN 207808980U CN 201820055893 U CN201820055893 U CN 201820055893U CN 207808980 U CN207808980 U CN 207808980U
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- 239000007788 liquid Substances 0.000 claims abstract description 103
- 238000001816 cooling Methods 0.000 claims abstract description 72
- 239000002826 coolant Substances 0.000 claims abstract description 27
- 239000003507 refrigerant Substances 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 230000008676 import Effects 0.000 claims description 33
- 238000004378 air conditioning Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 16
- 239000004593 Epoxy Substances 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims 2
- 230000008020 evaporation Effects 0.000 claims 2
- 238000013461 design Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 14
- 230000001105 regulatory effect Effects 0.000 description 13
- 230000033228 biological regulation Effects 0.000 description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 9
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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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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- Air-Conditioning For Vehicles (AREA)
Abstract
The utility model discloses a kind of thermal management system of whole pure electric vehicle, there is heat pump type air corditioning system, battery pack thermal management system and electric control cooling system on the pure electric automobile；The system includes coolant liquid liquid circulation loop and the ECU control centres of heat pump air conditioner refrigerant liquid circulation loop, battery pack thermal management system and electric control cooling system；Two big liquid circulation loops couple at the first evaporator and the second evaporator, and the two disengaging liquid internal pipeline independences and liquid of the first evaporator and the second evaporator flow to and use convection current form design.The utility model can mutually utilize the heat between three subsystems in the case where ensureing ride comfort, make full use of extraneous low-temperature receiver and subsystem heat source, reduce the energy consumption of thermal management system of whole.
Description
Technical field
The utility model belongs to whole pure electric vehicle field of heat management, and in particular to a kind of whole pure electric vehicle heat pipe
Reason system is suitable for the vehicle heat management of pure electric automobile in the process of running.
Background technology
Thermal management system of whole pure electric vehicle is by the big heat of air-conditioning system, battery thermal management system and electric control cooling system three
Management system forms.Many technologies are not yet ripe on pure electric automobile at present, the three big heat management system in pure electric automobile vehicle
System is usually isolated.Pure electric automobile is only using battery pack as energy source, during independent operating, three big heat management systems
Middle many potential low-grade energies are wasted, and then slattern a large amount of battery power.
Battery pack directly affects the performance of pure electric automobile as the unique energy source of pure electric automobile.Due to pure electricity
The operating condition of electrical automobile is complicated, and automobile batteries group needs to be subjected to high temperature, low temperature etc. than relatively rugged environment influence.Research is aobvious
Show, battery pack especially lithium battery group is more sensitive to operating ambient temperature.When temperature is higher, battery material aging speed adds
Soon, service life cycle is decayed rapidly；When temperature is relatively low, battery charging and discharging capacity reduces, and often works in low temperature environment, electricity
It pond will be by irreversible capacity attenuation.
The current more universal battery pack type of cooling is to be blown heat or cold wind by regulating and controlling rotation speed of the fan and air door size
Enter battery pack battery is heated or cooled；But battery shapes are irregular and internal battery pack Duct design lacks rationally
Property, cause the cooling effect of different zones battery in battery pack different, battery consistency is poor.In addition, fan and air duct arrangement need
Larger space is occupied, the arrangement pressure of vehicle is increased.
Electric control cooling system use environment temperature range is larger, but excessively high temperature can shorten the use longevity of rotor
Life, therefore operation needs to carry out forced heat radiation under high ambient conditions；The performance of air-conditioning system directly affects driver and passenger's
Comfort, and pure electric automobile air conditioning operation needs to expend a large amount of battery power.
Current most driving cabin and battery pack heating system are PTC electrical heating, and electric energy conversion efficiency is low, electric energy wave
Take serious.
Utility model content
There are the above problems for the prior art for the utility model, it is proposed that a kind of whole pure electric vehicle heat management system
System, enables three big heat management system heats of whole pure electric vehicle fully mutually to utilize, and reduces single in driving conditions
The demand of system radiating or heating to the energy content of battery, while enabling battery pack and electric-control system under the conditions of different operating conditions
Keep suitable operating ambient temperature；Control to battery pack temperature can make temperature equalization between battery cell, ensure battery
Group battery with two side terminals, extends the service life of battery pack system；Thermal management system of whole is integrated into ECU control centres to carry out
Centralized control can make to keep good conspiracy relation between each system, enhance thermal management system of whole dynamic control efficiency.
The utility model is realized by following technical proposal：A kind of thermal management system of whole pure electric vehicle, it is described pure
There is heat pump type air corditioning system, battery thermal management system and electric control cooling system on electric vehicle；The system includes heat-pump-type sky
Modulate cryogen liquid circulation loop, battery pack thermal management system and electric control cooling system coolant liquid liquid circulation loop and
ECU control centres；
The heat pump air conditioner refrigerant liquid circulation loop includes automobile air conditioner compressor, the first two-position three-way electromagnetic
Valve, headstock heat exchanger, condenser, expansion valve, the first evaporator, liquid storage dryer；The outlet of automobile air conditioner compressor and first
The A mouths of two-position three way magnetic valve are connected, and the B mouths of the first two-position three way magnetic valve are connected with the import of condenser, the one or two three
The C mouths of three-way electromagnetic valve are connected with the import of headstock heat exchanger, and the outlet of headstock heat exchanger and the outlet of condenser are and expansion valve
Import be connected, the outlet of expansion valve is connected with the import of the first evaporator, the outlet of the first evaporator and liquid storage dryer
Import is connected, and the outlet of liquid storage dryer is connected with the import of automobile air conditioner compressor；
The coolant liquid liquid circulation loop of the battery pack thermal management system and electric control cooling system includes driving water pump, the
Two two-position three way magnetic valves, the second evaporator, the first two-position two-way solenoid valve, the second two-position two-way solenoid valve, ptc heater,
Third two-position three way magnetic valve, liquid storage filter；The outlet of driving water pump is connected with the A of the second two-position three way magnetic valve mouths, the
The C mouths of two two-position three way magnetic valves are connected with the entrance of the second evaporator, the outlet of the second evaporator respectively with the one or two two
The import of three-way electromagnetic valve is connected with the import of the second two-position two-way solenoid valve, the B mouths and the two or two of the second two-position three way magnetic valve
The outlet of position two-way electromagnetic valve is connected with the import of ptc heater, the outlet of the first two-position two-way solenoid valve and automatically controlled cooling
The import of system is connected, and the outlet of electric control cooling system is connected with the A of third two-position three way magnetic valve mouths, third two-position three way electricity
The B mouths of magnet valve are connected with the entrance of battery thermal management system with the outlet of ptc heater, the outlet of battery thermal management system and
The C mouths of third two-position three way magnetic valve are connected with the entrance of liquid storage filter, outlet and the driving water pump of liquid storage filter
Import is connected；
The automobile air conditioner compressor, the first two-position three way magnetic valve, headstock heat exchanger, condenser, expansion valve, first are steamed
Hair device, driving water pump, the second two-position three way magnetic valve, the first two-position two-way solenoid valve, the second two-position two-way solenoid valve, PTC add
Hot device, third two-position three way magnetic valve control terminal be connected with ECU control centres.
Further, the pipeline in first evaporator and the second evaporator intercouples, and liquid in pipeline
Flow direction is opposite.
Further, in the battery thermal management system coldplate is inserted with comprising battery pack, internal battery pack.
Further, the coldplate is using parallel arrangement.
Further, the battery pack is connected by several battery modules and is formed, and battery module is passed through by several battery cells
Fixed frame is formed by connecting, and the material of the fixed frame is cast aluminium, and is filled out between battery cell and fixed frame, fixed frame and coldplate
Fill thin layer epoxy heat-conducting glue.
Further, the heat pump air conditioner refrigerant liquid circulation loop is cold as liquid circulation using air-conditioning refrigerant
But medium.
Further, the coolant liquid liquid circulation loop of the battery pack thermal management system and electric control cooling system is using normal
Industrial coolant liquid is used to cool down medium as liquid circulation, specially volume is 50% water and 50% ethylene glycol mixture or cooling
Oil.
Compared with prior art, possessed advantageous effect is the utility model：
1. the utility model is by heat pump type air corditioning system, battery pack thermal management system and automatically controlled cooling system in pure electric automobile
The heat of system intercouples, and three big heat management system heats of whole pure electric vehicle is enable fully mutually to utilize, and reduces
The demand of individual system heat dissipation or heating to the energy content of battery in driving conditions.
2. cooling down battery pack using liquid cooling mode in the utility model, the air-cooled aerodynamic noise brought and drop are reduced
Low requirement of the battery pack thermal management system to arrangement.
3. being filled using thin layer epoxy heat-conducting glue between single battery and battery metal fixed frame in the utility model, reduce
Thermal contact resistance between battery and metal holder, and the temperature difference between battery cell can be controlled and closed by the high thermal conductivity of metal
In the range of reason, ensure the consistency between single battery.
4. liquid coldplate can be fully cooled battery pack and can be reduced liquid using parallel arrangement in the utility model
Flow resistance in the duct；Thin layer epoxy heat-conducting glue is filled between coldplate and battery metal fixed frame, reduces coldplate and electricity
Thermal contact resistance between the metal holder of pond.
5. the utility model can realize in pure electric automobile three big heat management systems it is independent control, two-by-two control and
Whole control.
6. the utility model uses two-position two-way solenoid valve and two-position three way magnetic valve, Neng Goushi on liquid circulation loop
Dynamic regulation now is carried out in pure electric automobile three big heat management systems.
7. in pure electric automobile three big heat management system controls are integrated into ECU control centres, Neng Goushi by the utility model
The concentration for now managing automotive thermal tube system integrally controls.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
In figure, 1, automobile air conditioner compressor；2, the first two-position three way magnetic valve；3, headstock heat exchanger；4, condenser；5, swollen
Swollen valve；6, the first evaporator；7, liquid storage drier；8, cabin is driven；9, water pump is driven；10, the second two-position three way magnetic valve；11、
First two-position two-way solenoid valve；12, the second two-position two-way solenoid valve；13, motor and motor driver；14, ptc heater；
15, third two-position three way magnetic valve；16, battery modules；17, coldplate；18, liquid storage filter；19, ECU control centres；20、
Second evaporator.
Specific implementation mode
It is specific embodiment of the utility model and in conjunction with attached drawing 1 below, the technical solution of the utility model is made into one
The description of step, but the utility model is not limited to these examples.
A kind of thermal management system of whole pure electric vehicle has heat pump type air corditioning system 8, battery on the pure electric automobile
Group heat management system 16 and electric control cooling system 13；The system includes heat pump air conditioner refrigerant liquid circulation loop, battery pack
The coolant liquid liquid circulation loop and ECU control centres of heat management system and electric control cooling system；Two big liquid circulation loops
It is coupled at the first evaporator 6 and the second evaporator 20, and two disengaging liquid of the first evaporator 6 and the second evaporator 20
Internal pipeline independence and liquid, which flow to, uses convection current form design.Heat pump type air corditioning system 8 can realize the system to driving cabin
Cold and heating, can be realized by the second evaporator combination battery thermal management system 16 and be dissipated to single battery core in battery pack
Heat can realize the heat dissipation that component is driven to motor and motor in conjunction with electric control cooling system 13；16 energy of battery thermal management system
Enough realize controls battery pack inside battery core temperature, and between maintaining battery core the temperature difference in 5 DEG C；Electric control cooling system 13 can
Realize the heat dissipation that component is driven to motor and motor.
The heat pump air conditioner refrigerant liquid circulation loop includes automobile air conditioner compressor 1, the first two-position three-way electromagnetic
Valve 2, headstock heat exchanger 3, condenser 4, expansion valve 5, the first evaporator 6, liquid storage dryer 7；The outlet of automobile air conditioner compressor 1
It is connected with the A mouths of the first two-position three way magnetic valve 2, the B mouths of the first two-position three way magnetic valve 2 are connected with the import of condenser 4, the
The C mouths of one two-position three way magnetic valve 2 are connected with the import of headstock heat exchanger 3, the outlet of headstock heat exchanger 3 and going out for condenser 4
Mouth is connected with the import of expansion valve 5, and the outlet of expansion valve 5 is connected with the import of the first evaporator 6, and the first evaporator 6 goes out
Mouth is connected with the import of liquid storage dryer 7, and the outlet of liquid storage dryer 7 is connected with the import of automobile air conditioner compressor 1；Its liquid
The circulation loop course of work is：Low-temp low-pressure gaseous state air-conditioning refrigerant is converted to high temperature and pressure gas by automobile air conditioner compressor workmanship
State air-conditioning refrigerant separately flows into headstock heat exchanger 3 or condenser 4 via the channel folding of the first two-position three way magnetic valve 2.
Wherein, when the first two-position three way magnetic valve 2 is in non-power status, A-C mouthfuls of connections, A-B mouthfuls of closures, high pressure gaseous air-conditioning
Refrigerant flows through headstock heat exchanger 3 and is changed into medium temperature high-pressure liquid air-conditioning refrigerant, this process releases heat, released heat warp
Outside by fan corresponding with headstock heat exchanger 3 discharge vehicle；If the first two-position three way magnetic valve 2 is in energized state, A-C mouthfuls are closed
It closing, A-B mouthfuls of connections, high pressure gaseous air-conditioning refrigerant flows through condenser 3 and is changed into medium temperature high-pressure liquid air-conditioning refrigerant, this
Process air-conditioning refrigerant is changed into medium temperature high-pressure liquid by high pressure gaseous and releases heat, and ECU control centres 19 are logical at this time
It crosses and receives the temperature dynamic monitoring signals for driving cabin 8 and carry out data comparison or driver and passenger is manually entered instruction, decision is
Corresponding with condenser 4 rotation speed of the fan of no regulation and control and the corresponding air duct folding of fan are to driving the air progress heating and cooling in cabin 8
Regulation and control.Under the driving of automobile air conditioner compressor 1, the medium temperature high pressure that is transformed into above by headstock heat exchanger 3 or condenser 4
Liquid air-conditioning refrigerant continues through expansion valve, is changed into low-temp low-pressure liquid air-conditioning refrigerant by the depressurization of expansion valve.
Low-temp low-pressure liquid air-conditioning refrigerant flows through the first evaporator 6 and is changed into low-temp low-pressure gaseous state air-conditioning refrigerant, this process is absorbed heat,
ECU control centres 19 drive the temperature dynamic monitoring signals in cabin 8 by reception and carry out data comparison or driver and passenger at this time
It is manually entered instruction, decides whether regulation and control rotation speed of the fan corresponding with condenser 4 and the corresponding air duct folding of fan to driving cabin 8
In air carry out heating and cooling regulation and control.Last low-temp low-pressure gaseous state air-conditioning refrigerant is after the desiccation of liquid storage dryer 7
It flows back to workmanship in automobile air conditioner compressor 1 and carries out subsequent cycle.(note：The opposite height of car air conditioner refrigerant temperature and pressure
It is with reference to for itself).
The battery pack thermal management system and electric control cooling system coolant liquid liquid circulation loop include driving water pump 9, the
Two two-position three way magnetic valves 10, the second evaporator 20, the first two-position two-way solenoid valve 11, the second two-position two-way solenoid valve 12, PTC
Heater 14, third two-position three way magnetic valve 15, liquid storage filter 18；Drive outlet and the second two-position three-way electromagnetic of water pump 9
The A mouths of valve 10 are connected, and the C mouths of the second two-position three way magnetic valve 10 are connected with the entrance of the second evaporator 20, the second evaporator 20
Outlet be connected respectively with the import of the first two-position two-way solenoid valve 11 and the import of the second two-position two-way solenoid valve 12, the two or two
The outlet of the B mouths and the second two-position two-way solenoid valve 12 of position-3-way solenoid valve 10 is connected with the import of ptc heater 14, and first
The outlet of two-position two-way solenoid valve 11 is connected with the import of electric control cooling system 13, the outlet of electric control cooling system 13 and the three or two
The A mouths of position-3-way solenoid valve 15 are connected, the B mouths of third two-position three way magnetic valve 15 with the outlet of ptc heater 14 and battery
The entrance of heat management system 16 is connected, the outlet of battery thermal management system 16 and the C mouths of third two-position three way magnetic valve 15 with
The entrance of liquid storage filter 18 is connected, and the outlet of liquid storage filter 18 is connected with the import of driving water pump 9；Its liquid circulation loop
The course of work is：Coolant liquid (water, 50% water and 50% ethylene glycol, cooling oil etc.) flows through the two or two through the acting of water pump 9 of overdriving
Position-3-way solenoid valve 10.At this point, if the second two-position three way magnetic valve 10 is in non-power status, A-C mouthfuls connect, A-B mouthful be closed,
Coolant liquid flows through the second evaporator 20.ECU control centres by receive monitoring temperature data from electric control cooling system and
The monitoring temperature data of battery pack thermal management system discriminate whether to open the system that automobile air conditioner compressor carries out the first evaporator 6
SAPMAC method.If conventional liq cycle cannot be satisfied electric control cooling system and the cooling of battery pack thermal management system requires, open
The refrigeration cycle that automobile air conditioner compressor carries out the first evaporator 6 carries out heat friendship to the coolant liquid for flowing through the second evaporator 20
It changes, reduces the temperature of coolant liquid and required with meeting electric control cooling system and the cooling of battery pack thermal management system；If conventional liq
Cycle disclosure satisfy that the cooling of electric control cooling system and battery pack thermal management system requires, then be not turned on automobile air conditioner compressor into
The refrigeration cycle of the first evaporator of row 6.The coolant liquid of the second evaporator 20 is flowed through via pipeline flow dividing, passes through the one or two respectively
Two-way electromagnetic valve 11 and the second two-position two-way solenoid valve 12.At this point, if the second two-position two-way solenoid valve 12 is closed, the one or two two
Three-way electromagnetic valve 11 is connected, and coolant liquid flows through electric control cooling system, it can be achieved that individually to the cooling of electric control cooling system, this postcooling
Liquid is flowed back to via the channels A-C, liquid storage filter 18 in third two-position three way magnetic valve 15 drives acting progress in water pump 9 next
Cooling cycle；If the first two-position two-way solenoid valve 11 is closed, the second two-position two-way solenoid valve 12 is connected, at this point, ptc heater
14 do not work, and coolant liquid flows through battery pack thermal management system, it can be achieved that individually to the cooling of battery pack thermal management system, hereafter cold
But liquid flows back to acting in driving water pump 9 via liquid storage filter 18 and carries out next cooling cycle；If the first bi-bit bi-pass electromagnetism
Valve 11 and the second two-position two-way solenoid valve 12 are turned on, at this time, it can be achieved that electric control cooling system and battery pack thermal management system
Cooling, flow through the coolant liquid of electric control cooling system via the channels A-C in third two-position three way magnetic valve 15 and flow through battery pack
The coolant liquid of heat management system is converged at liquid storage filter 18, and coolant liquid is flowed back to by liquid storage filter 18 in driving water pump 9
Acting carries out next cooling cycle.
If the second two-position three way magnetic valve 10 is in energized state, A-C mouthfuls be closed, A-B mouthful connect, coolant liquid directly through
PTC heaters 14 can heat the coolant liquid flowed through by opening ptc heater 14, and the coolant liquid after heating continues
Battery pack thermal management system is flowed through, it can be achieved that heating to battery pack thermal management system, hereafter coolant liquid is via liquid storage filter
18, which flow back to acting in driving water pump 9, carries out next heat cycles.
Further, by being powered to third two-position three way magnetic valve 15, A-C mouthfuls of closures, A-B mouthfuls of connections, are closed at this time
Second two-position two-way solenoid valve 12 continues flow through battery pack heat pipe, it can be achieved that flowing through the coolant liquid after electric control cooling system is heated
Reason system realizes the heating to battery pack thermal management system, and hereafter coolant liquid is flowed back to via liquid storage filter 18 in driving water pump 9
Acting carries out next heat cycles.
The automobile air conditioner compressor 1, the first two-position three way magnetic valve 2, headstock heat exchanger 3, condenser 4, expansion valve 5,
First evaporator 6, driving water pump 9, the second two-position three way magnetic valve 10, the second evaporator 20, the first two-position two-way solenoid valve
11, the second two-position two-way solenoid valve 12, ptc heater 14, third two-position three way magnetic valve 15 control terminal with ECU control in
The heart is connected.
Further, the pipeline in first evaporator, 6 and second evaporator 20 intercouples, and liquid in pipeline
Flow direction it is opposite.
Further, include battery pack in the battery thermal management system 16, internal battery pack is inserted with coldplate 17, described
Coldplate is using parallel arrangement；The battery pack is connected by several battery modules to be formed, and battery module is led to by several battery cells
It crosses fixed frame to be formed by connecting, the material of the fixed frame is cast aluminium, and between battery cell and fixed frame, fixed frame and coldplate 17
Fill thin layer epoxy heat-conducting glue.
Further, the heat pump air conditioner refrigerant liquid circulation loop is cold as liquid circulation using air-conditioning refrigerant
But medium, battery pack thermal management system and electric control cooling system coolant liquid liquid circulation loop are using common industry cooling liquid conduct
Liquid circulation cools down medium, specially 50% water and 50% ethylene glycol mixture, cooling oil etc..
Below for different situations, the method for telling about whole pure electric vehicle heat management is specific as follows：
1) only battery pack needs are heated or cooled.Heating：Water pump 9 is driven to open, the second two-position three way magnetic valve 10 is powered
(A-C mouthfuls of closures, A-B mouthfuls of connections), the second two-position two-way solenoid valve 12 is closed, ptc heater 14 is opened, third two-position three way
15 no power of solenoid valve (A-C mouthfuls of connections, A-B mouthfuls of closures).It is cooling：Water pump 9 is driven to open, the second two-position three way magnetic valve 10
It is powered (A-C mouthfuls of closures, A-B mouthfuls of connections), the second two-position two-way solenoid valve 12 is closed, 15 no power of third two-position three way magnetic valve
(A-C mouthfuls of connections, A-B mouthfuls of closures)；If the monitoring temperature data transfer of battery pack thermal management system to ECU control centres and and journey
Sequence sets numeric ratio to rear display amount of cooling water deficiency, then ECU control centres are operated control as follows, automobile air conditioner compressor 1
Open, the unlatching of 2 no power of the first two-position three way magnetic valve (A-C mouthful connect, A-B mouthful closure), headstock heat exchanger 3 correspondence fan,
Expansion valve 5 according to refrigeration capacity requirement regulate and control, driving water pump 9 open, 10 no power of the second two-position three way magnetic valve (A-C mouthful connections,
A-B mouthfuls closure), the first two-position two-way solenoid valve 11 be closed, the second two-position two-way solenoid valve 12 connect, third two-position three-way electromagnetic
15 no power of valve (A-C mouthfuls of connections, A-B mouthfuls of closures).
2) cabin is only driven to need to be heated or cooled.Heating：The unlatching of automobile air conditioner compressor 1, the first two-position three way magnetic valve 2
It is powered (A-C mouthfuls of closures, A-B mouthfuls of connections), rotation speed of the fan and the corresponding wind of fan corresponding to condenser 4 and the first evaporator 6
Data or instruction of the road junction folding situation received by ECU control centres are regulated and controled, expansion valve 5 is according to refrigeration capacity requirement
Regulation and control.It is cooling：Automobile air conditioner compressor 1 opens, 2 no power of the first two-position three way magnetic valve (A-C mouthful connect, A-B mouthfuls be closed),
Headstock heat exchanger 3 correspond to fan is opened, expansion valve 5 regulates and controls according to refrigeration capacity requirement, rotation speed of the fan corresponding to the first evaporator 6 with
And data or instruction of the corresponding wind passage mouth folding situation of fan received by ECU control centres are regulated and controled.
3) battery pack and driving cabin are required to heat.Water pump 9 is driven to open, the second two-position three way magnetic valve 10 energization (A-C
Mouthful be closed, A-B mouthful connection), ptc heater 14 open, the second two-position two-way solenoid valve 12 closure, third two-position three way magnetic valve
15 no powers (A-C mouthfuls of connections, A-B mouthfuls of closures)；The unlatching of automobile air conditioner compressor 1, the first two-position three way magnetic valve 2 energization (A-
C mouthfuls be closed, A-B mouthful connections), rotation speed of the fan and the corresponding wind passage mouth of fan open and close corresponding to condenser 4 and the first evaporator 6
Data or instruction of the situation received by ECU control centres are regulated and controled, expansion valve 5 regulates and controls according to refrigeration capacity requirement.
4) battery pack and driving cabin are required to cool down.The unlatching of automobile air conditioner compressor 1, the first two-position three way magnetic valve 2 are not
Be powered (A-C mouthful connect, A-B mouthful closure), headstock heat exchanger 3 corresponds to fan unlatching, expansion valve 5 according to refrigeration capacity requirement regulation and control,
The corresponding wind passage mouth of rotation speed of the fan and fan corresponding to first evaporator 6 opens and closes situation according to received by ECU control centres
Data or instruction regulated and controled；Water pump 9 is driven to open, 10 no power of the second two-position three way magnetic valve (A-C mouthfuls of connections, A-B
Mouthful be closed), the second two-position two-way solenoid valve 12 connect, the first two-position two-way solenoid valve 11 be closed, third two-position three way magnetic valve
15 no powers (A-C mouthfuls of connections, A-B mouthfuls of closures).
5) battery pack needs to heat and driving cabin needs to cool down.Water pump 9 is driven to open, the second two-position three way magnetic valve 10 leads to
Electricity (A-C mouthful be closed, A-B mouthful connection), the second two-position two-way solenoid valve 12 closure, the unlatching of ptc heater 14, the three or two three
15 no power of three-way electromagnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures)；The unlatching of automobile air conditioner compressor 1, the first two-position three way magnetic valve 2
No power (A-C mouthfuls of connections, A-B mouthfuls of closures), headstock heat exchanger 3 correspond to fan unlatching, expansion valve 5 according to refrigeration capacity requirement tune
The corresponding wind passage mouth folding situation of rotation speed of the fan and fan corresponding to control, the first evaporator 6 is received according to ECU control centres
To data or instruction regulated and controled.
6) battery pack needs cooling and driving cabin to need to heat.The unlatching of automobile air conditioner compressor 1, the second two-position three-way electromagnetic
Valve 10 is powered (A-C mouthfuls of closures, A-B mouthfuls of connections), rotation speed of the fan and fan corresponding to condenser 4 and the first evaporator 6 correspond to
Data or instruction of the wind passage mouth folding situation received by ECU control centres regulated and controled, expansion valve 5 is according to refrigerating capacity
Demand regulates and controls；Drive the unlatching of water pump 9,10 no power of the second two-position three way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures), the two or two
Position two-way electromagnetic valve 12 is connected, the first two-position two-way solenoid valve 11 is closed, (A-C mouthfuls of 15 no power of third two-position three way magnetic valve
It connects, A-B mouthfuls of closures).
7) only electric control cooling system needs to cool down.Water pump 9 is driven to open, 10 no power (A-C of the second two-position three way magnetic valve
Mouthful connect, A-B mouthful closure), the first two-position two-way solenoid valve 11 connect, the second two-position two-way solenoid valve 12 closure, the three or two
15 no power of three-way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures)；If the temperature detection data transfer of electric control cooling system arrives
ECU control centres are simultaneously insufficient to rear display amount of cooling water with program setting numeric ratio, then ECU control centres are grasped control as follows
Make：Automobile air conditioner compressor 1 is opened, 2 no power of the first two-position three way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures), headstock change
Hot device 3 corresponds to fan unlatching, expansion valve 5 according to refrigeration capacity requirement wind corresponding to the regulation and control of ECU control centres, the first evaporator 6
The data or instruction of fan rotating speed and the corresponding wind passage mouth folding situation of fan received by ECU control centres are adjusted
Control；Water pump 9 is driven to open, 10 no power of the second two-position three way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures), the first bi-bit bi-pass
Solenoid valve 11 connect, the second two-position two-way solenoid valve 12 be closed, 15 no power of third two-position three way magnetic valve (A-C mouthful connections,
A-B mouthfuls of closures).
8) electric control cooling system needs cooling, battery pack needs to be heated or cooled.Heating：On the basis of 7), by third
Two-position three way magnetic valve 15 is powered (A-C mouthful closures, A-B mouthfuls open-minded)；It is cooling：On the basis of 7), by the second bi-bit bi-pass electricity
Magnet valve 12 is connected.
9) electric control cooling system needs cooling, driving cabin to need to be heated or cooled.Heating：The unlatching of automobile air conditioner compressor 1,
Rotation speed of the fan and fan pair corresponding to first two-position three way magnetic valve 2 energization (A-C mouthfuls of closures, A-B mouthfuls of connections), condenser 4
Data or instruction of the wind passage mouth folding situation answered received by ECU control centres are regulated and controled, expansion valve 5 is according to refrigeration
Amount demand by ECU control centres regulate and control, driving water pump 9 open, 10 no power of the second two-position three way magnetic valve (A-C mouthful connections,
A-B mouthfuls closure), the first two-position two-way solenoid valve 11 connect, the second two-position two-way solenoid valve 12 be closed, third two-position three-way electromagnetic
15 no power of valve (A-C mouthfuls of connections, A-B mouthfuls of closures)；It is cooling：The unlatching of automobile air conditioner compressor 1, the first two-position three way magnetic valve 2
No power (A-C mouthfuls connect, A-B mouthful closure), headstock heat exchanger 3 correspond to fan unlatching, expansion valve 5 according to refrigeration capacity requirement by
Rotation speed of the fan and the corresponding wind passage mouth of fan open and close situation according to ECU corresponding to the regulation and control of ECU control centres, the first evaporator 6
Data or instruction received by control centre are regulated and controled, water pump 9 are driven to open, the second two-position three way magnetic valve 10 is obstructed
Electricity (A-C mouthful connect, A-B mouthful closure), the connection of the first two-position two-way solenoid valve 11, the second two-position two-way solenoid valve 12 closure, the
Three two-position three way magnetic valves, 15 no power (A-C mouthfuls of connections, A-B mouthfuls of closures).
10) electric control cooling system needs cooling, battery pack and driving cabin to be required to heat.The unlatching of automobile air conditioner compressor 1,
First two-position three way magnetic valve 2 is powered (A-C mouthfuls of closures, A-B mouthfuls of connections), fan turns corresponding to condenser 4 and the first evaporator 6
The data or instruction of speed and the corresponding wind passage mouth folding situation of fan received by ECU control centres are regulated and controled, are swollen
Swollen valve 5 is according to refrigeration capacity requirement by the regulation and control of ECU control centres, the unlatching of driving water pump 9,10 no power of the second two-position three way magnetic valve
(A-C mouthfuls of connections, A-B mouthfuls of closures), the first two-position two-way solenoid valve 11 is connected, the second two-position two-way solenoid valve 12 is closed, third
Two-position three way magnetic valve 15 is powered (A-C mouthfuls of closures, A-B mouthfuls of connections).
11) electric control cooling system, battery pack and driving cabin are required to cool down.Automobile air conditioner compressor 1 open, the one or two
2 no power of three-way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures), headstock heat exchanger correspond to fan unlatching, expansion valve 5 according to refrigeration
Amount demand is regulated and controled by ECU control centres, rotation speed of the fan corresponding to the first evaporator 6 and the corresponding wind passage mouth of fan open and close situation
Data or instruction received by ECU control centres are regulated and controled, drive water pump 9 to open, the second two-position three way magnetic valve
10 no powers (A-C mouthfuls of connections, A-B mouthfuls of closures), the first two-position two-way solenoid valve 11 is connected, the second two-position two-way solenoid valve 12 connects
Logical, 15 no power of third two-position three way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures).
12) electric control cooling system needs cooling, battery pack that heating and driving cabin is needed to need to cool down.On the basis of 11),
Second two-position two-way solenoid valve 12 is closed, third two-position three way magnetic valve 15 is powered (A-C mouthfuls of closures, A-B mouthfuls of connections).
13) electric control cooling system needs cooling, battery pack that cooling and driving cabin is needed to need to heat.Automobile air conditioner compressor
1 unlatching, the first two-position three way magnetic valve 2 energization (A-C mouthfuls of closures, A-B mouthfuls of connections), expansion valve 5 are according to refrigeration capacity requirement by ECU
Rotation speed of the fan and the corresponding wind passage mouth of fan open and close situation root corresponding to control centre's regulation and control, condenser 4 and the first evaporator 6
According to received by ECU control centres data or instruction regulated and controled, drive water pump 9 open, the second two-position three way magnetic valve 10
No power (A-C mouthfuls of connections, A-B mouthfuls of closures), the first two-position two-way solenoid valve 11 is connected, the second two-position two-way solenoid valve 12 connects
Logical, 15 no power of third two-position three way magnetic valve (A-C mouthfuls of connections, A-B mouthfuls of closures).
Claims (7)
1. there is heat pump type air corditioning system, battery heat a kind of thermal management system of whole pure electric vehicle, on the pure electric automobile
Management system and electric control cooling system；It is characterized in that, the system includes heat pump air conditioner refrigerant liquid circulation loop, battery
Coolant liquid liquid circulation loop and the ECU control centres of group heat management system and electric control cooling system；
The heat pump air conditioner refrigerant liquid circulation loop includes automobile air conditioner compressor, the first two-position three way magnetic valve, vehicle
Head heat exchanger, condenser, expansion valve, the first evaporator, liquid storage dryer；The outlet of automobile air conditioner compressor with the one or two three
The A mouths of three-way electromagnetic valve are connected, and the B mouths of the first two-position three way magnetic valve are connected with the import of condenser, the first two-position three-way electromagnetic
The C mouths of valve are connected with the import of headstock heat exchanger, the outlet of headstock heat exchanger and the outlet of condenser with the import of expansion valve
It is connected, the outlet of expansion valve is connected with the import of the first evaporator, the outlet of the first evaporator and the import phase of liquid storage dryer
Even, the outlet of liquid storage dryer is connected with the import of automobile air conditioner compressor；
The coolant liquid liquid circulation loop of the battery pack thermal management system and electric control cooling system includes driving water pump, the two or two
Position-3-way solenoid valve, the second evaporator, the first two-position two-way solenoid valve, the second two-position two-way solenoid valve, ptc heater, third
Two-position three way magnetic valve, liquid storage filter；The outlet of driving water pump is connected with the A of the second two-position three way magnetic valve mouths, and the two or two
The C mouths of position-3-way solenoid valve are connected with the entrance of the second evaporator, and the outlet of the second evaporator is electric with the first bi-bit bi-pass respectively
The import of magnet valve is connected with the import of the second two-position two-way solenoid valve, the B mouths of the second two-position three way magnetic valve and the two or two two
The outlet of three-way electromagnetic valve is connected with the import of ptc heater, the outlet of the first two-position two-way solenoid valve and electric control cooling system
Import be connected, the outlet of electric control cooling system is connected with the A of third two-position three way magnetic valve mouths, third two-position three way magnetic valve
B mouths be connected with the entrance of battery thermal management system with the outlet of ptc heater, the outlet of battery thermal management system and third
The C mouths of two-position three way magnetic valve are connected with the entrance of liquid storage filter, the import of the outlet and driving water pump of liquid storage filter
It is connected；
The automobile air conditioner compressor, the first two-position three way magnetic valve, headstock heat exchanger, condenser, expansion valve, the first evaporation
Device, driving water pump, the second two-position three way magnetic valve, the first two-position two-way solenoid valve, the second two-position two-way solenoid valve, PTC heating
Device, third two-position three way magnetic valve control terminal be connected with ECU control centres.
2. a kind of thermal management system of whole pure electric vehicle described in accordance with the claim 1, which is characterized in that first evaporation
Pipeline in device and the second evaporator intercouples, and in pipeline liquid flow direction it is opposite.
3. a kind of thermal management system of whole pure electric vehicle described in accordance with the claim 1, which is characterized in that the battery thermal
Include battery pack in reason system, internal battery pack is inserted with coldplate.
4. a kind of thermal management system of whole pure electric vehicle described in accordance with the claim 3, which is characterized in that the coldplate is adopted
With parallel arrangement.
5. a kind of thermal management system of whole pure electric vehicle according to claim 4, which is characterized in that the battery pack by
Several battery modules, which are connected, to be formed, and battery module is formed by connecting by several battery cells by fixed frame, the material of the fixed frame
Material is cast aluminium, and thin layer epoxy heat-conducting glue is filled between battery cell and fixed frame, fixed frame and coldplate.
6. a kind of thermal management system of whole pure electric vehicle described in accordance with the claim 1, which is characterized in that the heat-pump-type is empty
It modulates cryogen liquid circulation loop and medium is cooled down as liquid circulation using air-conditioning refrigerant.
7. a kind of thermal management system of whole pure electric vehicle described in accordance with the claim 1, which is characterized in that the battery pack heat
The coolant liquid liquid circulation loop of management system and electric control cooling system is cooled down using industry cooling liquid is commonly used as liquid circulation
Medium, specially cooling oil.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108099544A (en) * | 2018-01-12 | 2018-06-01 | 浙江大学 | A kind of thermal management system of whole pure electric vehicle and management method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108099544A (en) * | 2018-01-12 | 2018-06-01 | 浙江大学 | A kind of thermal management system of whole pure electric vehicle and management method |
| CN108099544B (en) * | 2018-01-12 | 2023-04-25 | 浙江大学 | Whole-vehicle thermal management system and management method for pure electric vehicle |
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