CN108674213A - The heat accumulation method and device of electric vehicle - Google Patents
The heat accumulation method and device of electric vehicle Download PDFInfo
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- CN108674213A CN108674213A CN201810313688.7A CN201810313688A CN108674213A CN 108674213 A CN108674213 A CN 108674213A CN 201810313688 A CN201810313688 A CN 201810313688A CN 108674213 A CN108674213 A CN 108674213A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
- B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
-
- 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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/659—Means for temperature control structurally associated with the cells by heat storage or buffering, e.g. heat capacity or liquid-solid phase changes or transition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Combustion & Propulsion (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention proposes the heat accumulation method and device of electric vehicle.Method includes：The full-vehicle control unit VCU of electric vehicle judges whether the power battery of electric vehicle or/and motor need to cool down, if, VCU controls the coolant liquid inflow heat exchanger for cooling down power battery or/and motor, while controlling the refrigerant inflow heat exchanger of air-conditioning system, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then controls coolant liquid and flows back to power battery or/and motor, to be cooled down to power battery or/and motor, and controls refrigerant and flows into storage heater, to give storage heater accumulation of heat.The present invention is realized carries out accumulation of heat to the waste heat inside electric vehicle.
Description
Technical field
The present invention relates to electric vehicle technical field more particularly to the heat accumulation methods and device of electric vehicle.
Background technology
For the electric vehicle for using lithium-ion-power cell, the temperature of lithium-ion-power cell influences the property of battery
Energy.When temperature of powered cell is low, battery capacity reduces, and the discharge current of battery is small, causes vehicle can not normally travel.In order to
Meet at low ambient temperatures battery can normal use the temperature of power battery is kept by the heat management to power battery
Within best operating temperature range.
The prior art gives power battery heat supply using heating devices such as PTC, due to increasing this higher power devices of PTC,
Installation space is big, and material cost is high, and needs power battery to power, and high-pressure work can consume a large amount of electric energy, and in temperature
When low, discharge current is small, and electricity is easy to be unsatisfactory for the operating condition of PTC, leads to not start, and has high-voltage safety hidden danger.
Invention content
The present invention provides the heat accumulation method and device of electric vehicle, to be stored to the waste heat inside electric vehicle
Heat.
The technical proposal of the invention is realized in this way：
A kind of heat accumulation method of electric vehicle, this method include：
The full-vehicle control unit VCU of electric vehicle judges whether the power battery of electric vehicle or/and motor need to cool down,
If so, VCU controls the coolant liquid inflow heat exchanger for cooling down power battery or/and motor, while controlling air-conditioning system
Refrigerant inflow heat exchanger, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, and then control coolant liquid flows back to dynamic
Power battery or/and motor to be cooled down to power battery or/and motor, and control refrigerant and flow into storage heater, to give storage heater
Accumulation of heat.
The coolant liquid inflow heat exchanger of VCU control power battery includes：
VCU sends open command to the first water pump, and sending heat exchanger direction to the first two-bit triplet solenoid valve moves
Instruction so that：For cooling down the first coolant liquid of power battery under the drive of the first water pump from power battery via
One or two position-3-way solenoid valve inflow heat exchanger, wherein one end of the first water pump connects power battery, and the other end connects first liang
The entrance of position-3-way solenoid valve, the first two-bit triplet solenoid valve connects the first water pump, and the first of the first two-bit triplet solenoid valve goes out
The second outlet of mouth connection storage heater, the first two-bit triplet solenoid valve connects heat exchanger.
When power battery and motor are required for cooling, the coolant liquid inflow heat exchanger of the VCU controls motor includes：
VCU sends open command to the second water pump and the first 2/2-way solenoid valve, so that：For cooling down motor
Two coolant liquids are under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein the second water pump
One end connects motor, and the other end of the second water pump connects the first 2/2-way solenoid valve, one end of the first 2/2-way solenoid valve
The second water pump is connected, the other end of the first 2/2-way solenoid valve connects heat exchanger；
And the VCU sends open command to the second 2/2-way solenoid valve, so that：Complete the first of heat exchange
A part for coolant liquid and the second coolant liquid flows back to motor, and another part flows back to power electric via the second 2/2-way solenoid valve
Pond, wherein one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchanger, and other end connection is dynamic
Power battery.
When power battery need not cool down, and motor needs cooling, the coolant liquid of the VCU controls motor flows into heat and hands over
Parallel operation includes：
VCU sends open command to the second water pump, and open command is sent to the first 2/2-way solenoid valve, so that：With
In cooling motor the second coolant liquid under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger,
In, one end of the second water pump connects motor, and the other end of the second water pump connects the first 2/2-way solenoid valve, the first 2/2-way
One end of solenoid valve connects the second water pump, and the other end of the first 2/2-way solenoid valve connects heat exchanger；
And the VCU sends out code to the second 2/2-way solenoid valve, so that：Complete the second of heat exchange
Coolant liquid all flows back to motor, wherein one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchange
The other end of device, the second 2/2-way solenoid valve connects power battery.
The refrigerant inflow heat exchanger of VCU control air-conditioning system includes：
VCU sends open command to the compressor of air-conditioning system, and is sent to the second two-bit triplet solenoid valve to heat exchange
The instruction of device direction movement, so that the refrigerant of air-conditioning system is under the driving of compressor, via condenser and the second two three
Three-way electromagnetic valve inflow heat exchanger, to：The coolant liquid of power battery or/and motor carries out heat with refrigerant in heat exchanger
It exchanges, wherein the entrance of the second two-bit triplet solenoid valve connects condenser and storage heater, the second two-bit triplet by the 5th threeway
The first outlet of solenoid valve connects heat exchanger, the evaporation of the second outlet connection air-conditioning system of the second two-bit triplet solenoid valve
Device.
The VCU controls coolant liquid flows back to power battery and includes：
VCU sends open command to the second 2/2-way solenoid valve, so that：Exchanged heat for cooling down power electric
First coolant liquid in pond flows back to power battery via the second 2/2-way solenoid valve, wherein the one of the second 2/2-way solenoid valve
End connection power battery, the other end of the second 2/2-way solenoid valve connect heat exchanger.
The VCU controls refrigerant flows into storage heater and includes：
VCU sends the instruction moved to storage heater direction to third two-bit triplet solenoid valve, so that：Heat is exchanged
Refrigerant flows into storage heater under the driving of compressor from heat exchanger via third two-bit triplet solenoid valve, wherein third two
The first outlet of the entrance connect compressor of three-way magnetic valve, third two-bit triplet solenoid valve connects condenser, third two three
The second outlet of three-way electromagnetic valve connects storage heater.
The VCU controls refrigerant further comprises after flowing into storage heater：
VCU detects that battery needs to heat, then sends open command to the first water pump, is sent out to the first two-bit triplet solenoid valve
It is sent to the instruction of storage heater direction movement, out code is sent to the second 2/2-way solenoid valve, so that：For cooling down power
First coolant liquid of battery flows into storage heater under the drive of the first water pump, via the first two-bit triplet solenoid valve, and then first
Coolant liquid flows back to power battery after storage heater exchanges to heat, realizes and is heated to power battery, and avoids in heat exchanger
Coolant liquid flows back to power battery via the second 2/2-way solenoid valve, wherein one end connection power battery of the first water pump, first
The other end of water pump connects the entrance of the first two-bit triplet solenoid valve, and the first outlet of the first two-bit triplet solenoid valve connects accumulation of heat
The second outlet of device, the first two-bit triplet solenoid valve connects heat exchanger, and one end connection heat of the second 2/2-way solenoid valve is handed over
The other end of parallel operation, the second 2/2-way solenoid valve connects power battery.
A kind of regenerative apparatus of electric vehicle, the device include：
Cooling judgment module, whether power battery or/and motor for judging electric vehicle need to cool down；
Cooling and regeneration treatment module, when cooling judgment module judges that the power battery of electric vehicle or/and motor need
When cooling, the coolant liquid inflow heat exchanger for cooling down power battery or/and motor is controlled, while controlling the cold of air-conditioning system
Matchmaker's inflow heat exchanger, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then controls coolant liquid and flows back to power
Battery or/and motor to be cooled down to power battery or/and motor, and control refrigerant and flow into storage heater, to be stored to storage heater
Heat.
The cooling and regeneration treatment module control power battery coolant liquid inflow heat exchanger include：
Open command is sent to the first water pump, the finger that heat exchanger direction is moved is sent to the first two-bit triplet solenoid valve
It enables, so that：For cooling down the first coolant liquid of power battery under the drive of the first water pump from power battery via first liang
Position-3-way solenoid valve inflow heat exchanger, wherein one end of the first water pump connects power battery, and the other end connects the first two three
The entrance of three-way electromagnetic valve, the first two-bit triplet solenoid valve connects the first water pump, and the first outlet of the first two-bit triplet solenoid valve connects
Storage heater is connect, the second outlet of the first two-bit triplet solenoid valve connects heat exchanger.
When cooling judgment module judgement power battery and motor are required for cooling, the cooling and regeneration treatment module control
The coolant liquid inflow heat exchanger of motor processed includes：
Open command is sent to the second water pump and the first 2/2-way solenoid valve, so that：Second for cooling down motor
Coolant liquid is under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein the one of the second water pump
End connection motor, the other end connect the first 2/2-way solenoid valve, and one end of the first 2/2-way solenoid valve connects the second water pump,
The other end connects heat exchanger；And open command is sent to the second 2/2-way solenoid valve, so that：Complete heat exchange
A part for first coolant liquid and the second coolant liquid flows back to motor, and another part flows back to power via the second 2/2-way solenoid valve
Battery, wherein one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchanger, other end connection
Power battery.
When cooling judgment module judgement power battery need not cool down, and motor needs cooling, the cooling and accumulation of heat
Processing module control motor coolant liquid inflow heat exchanger include：
Open command is sent to the second water pump, open command is sent to the first 2/2-way solenoid valve, so that：For cold
But the second coolant liquid of motor under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein
One end of second water pump connects motor, and the other end connects the first 2/2-way solenoid valve, one end of the first 2/2-way solenoid valve
The second water pump is connected, the other end connects heat exchanger；And out code is sent to the second 2/2-way solenoid valve, so that：It is complete
Motor is all flowed back at the second coolant liquid of heat exchange, wherein heat exchanger and motor direct-connected, the second 2/2-way solenoid valve
One end connect heat exchanger, the other end connect power battery.
The cooling and regeneration treatment module control air-conditioning system refrigerant inflow heat exchanger include：
Open command is sent to the compressor of air-conditioning system, and heat exchanger side is sent to the second two-bit triplet solenoid valve
To mobile instruction, so that the refrigerant of air-conditioning system is under the driving of compressor, it is electric via condenser and the second two-bit triplet
Magnet valve inflow heat exchanger, to：The coolant liquid of power battery or/and motor carries out heat friendship with refrigerant in heat exchanger
It changes, wherein the entrance of the second two-bit triplet solenoid valve connects condenser and storage heater, the second two-bit triplet electricity by the 5th threeway
The first outlet of magnet valve connects heat exchanger, the evaporator of the second outlet connection air-conditioning system of the second two-bit triplet solenoid valve.
The cooling and regeneration treatment module control coolant liquid flow back to power battery and include：
Open command is sent to the second 2/2-way solenoid valve, so that：Exchanged heat for cooling down power battery
The first coolant liquid flow back to power battery via the second 2/2-way solenoid valve, wherein one end of the second 2/2-way solenoid valve
Power battery is connected, the other end connects heat exchanger.
The cooling and regeneration treatment module control refrigerant flow into storage heater and include：
The instruction moved to storage heater direction is sent to third two-bit triplet solenoid valve, so that：The cold of heat is exchanged
Matchmaker flows into storage heater under the driving of compressor from heat exchanger via third two-bit triplet solenoid valve, wherein third two three
The first outlet of the entrance connect compressor of three-way electromagnetic valve, third two-bit triplet solenoid valve connects condenser, third two-bit triplet
The second outlet of solenoid valve connects storage heater.
The cooling and regeneration treatment module control refrigerant are further used for after flowing into storage heater：
It detects that power battery needs to heat, then open command is sent to the first water pump, to the first two-bit triplet solenoid valve
The instruction moved to storage heater direction is sent, out code is sent to the second 2/2-way solenoid valve, so that：For cooling dynamic
First coolant liquid of power battery flows into storage heater under the drive of the first water pump, via the first two-bit triplet solenoid valve, and then the
One coolant liquid flows back to power battery after storage heater exchanges to heat, realizes and is heated to power battery, and avoids in heat exchanger
Coolant liquid flow back to power battery via the second 2/2-way solenoid valve, wherein one end of the first water pump connects power battery, separately
The entrance of the first two-bit triplet solenoid valve of one end connection, the first outlet connection storage heater of the first two-bit triplet solenoid valve, first
The second outlet of two-bit triplet solenoid valve connects heat exchanger, and one end of the second 2/2-way solenoid valve connects heat exchanger, separately
One end connects power battery.
The present invention is got up the extra thermal energy storage in the power battery or/and motor of electric vehicle using storage heater, from
And it can heat, realize the waste heat storage of power battery or/and motor and utilize to power battery when needed.And the present invention makes
The unstable high power heater that electric vehicle is not necessarily to this kind of costlinesses of PTC is obtained, cost is reduced, and, power battery low temperature
Without exporting high-voltage electricity when startup, high-voltage safety hidden danger is avoided.
Description of the drawings
Fig. 1 is the heat accumulation method flow chart for the electric vehicle that the embodiment of the present invention one provides；
Fig. 2 is the hold over system schematic diagram of the electric vehicle of the embodiment of the present invention one；
Fig. 3 is the hold over system exemplary plot of the electric vehicle of the embodiment of the present invention two；
Fig. 4 is the heat accumulation method flow chart of electric vehicle under system shown in Fig. 3 provided by Embodiment 2 of the present invention；
Fig. 5 is the structural schematic diagram of storage heater provided in an embodiment of the present invention；
Fig. 6 is the composition schematic diagram of the regenerative apparatus of electric vehicle provided in an embodiment of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Inventor the analysis found that：
There is no " cold " to only have " heat " in nature, so-called refrigeration does not move into " cold " to come, " heat
Amount " is carried away.According to the second law of thermodynamics, the place for heat being taken using air-conditioning system to needs is needed, and is entirely
The consumed work(of system is only the one third or lower of heating load, this is its characteristics of energy saving.
Meanwhile inventor has found, when the battery of electric vehicle or motor temperature is excessively high need cooling when, a large amount of thermal energy is logical
Overheat management system is discharged into outside vehicle, causes the loss and waste of the energy.
Fig. 1 is the heat accumulation method flow chart for the electric vehicle that the embodiment of the present invention one provides, and is as follows：
Step 101：The VCU (Vehicle Control Unit, full-vehicle control unit) of electric vehicle obtains electronic in real time
The power battery of vehicle or/and the temperature of motor.
Step 102：VCU judges that power battery or/and motor are according to the power battery of acquisition or/and the temperature of motor
It is no to need to cool down, if so, VCU controls the coolant liquid inflow heat exchanger for cooling down power battery or/and motor, control simultaneously
The refrigerant inflow heat exchanger of air-conditioning system, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then controls cold
But liquid stream returns power battery or/and motor, to be cooled down to power battery or/and motor, and controls refrigerant and flows into storage heater,
To give storage heater accumulation of heat.
Step 103：When power battery needs heating, VCU controls flow into accumulation of heat for cooling down the coolant liquid of power battery
Device flows back to power battery, to be heated to power battery after storage heater carries out heat exchange.
Fig. 2 is the hold over system schematic diagram of the electric vehicle of the embodiment of the present invention one.
Fig. 3 is the hold over system exemplary plot of the electric vehicle of the embodiment of the present invention two.Include mainly in the system：Power electric
Pond, motor, heat exchanger, evaporator, compressor, condenser and storage heater.Wherein：
There are two mouths for power battery tool：Cooling liquid outlet and coolant inlet, wherein cooling liquid outlet connects with water pump P 1
It connects, coolant inlet is connect with threeway Q1；
Three ends of threeway Q1 are separately connected battery, 2/2-way solenoid valve V5 and storage heater；
One end of water pump P 1 and the cooling liquid outlet of power battery connect, and the other end of water pump P 1 connects two-bit triplet electromagnetism
The entrance of valve V1；
The entrance of two-bit triplet solenoid valve V1 connects water pump P 1, and the first outlet of V1 connects storage heater, second outlet connection
Threeway Q2；
Three ends of threeway Q2 are separately connected V1, V4 and heat exchanger；
There are two mouths for motor tool：Cooling liquid outlet and coolant inlet, wherein cooling liquid outlet is connect with water pump P 2, cold
But liquid entrance is connect with threeway Q3；
Three ends of threeway Q3 are separately connected motor, 2/2-way solenoid valve V5 and heat exchanger；
One end of 2/2-way solenoid valve V5 connects Q3, and the other end connects Q1；
One end of water pump P 2 and the cooling liquid outlet of motor connect, and the other end connects 2/2-way solenoid valve V4；
One end of 2/2-way solenoid valve V4 connects water pump P 2, and the other end connects threeway Q2；
There are four mouths for heat exchanger tool：Coolant inlet, cooling liquid outlet, refrigerant inlet, refrigerant exit, wherein：It is cooling
Liquid entrance is connect with threeway Q2, and cooling liquid outlet is connect with threeway Q3, and refrigerant inlet goes out with the second of two-bit triplet solenoid valve V2
Mouth connection, refrigerant exit are connect with threeway Q4；
The entrance of two-bit triplet solenoid valve V2 is connect with expansion valve, and first outlet connects heat exchanger, second outlet connection
Evaporator；
Three ends of threeway Q4 are separately connected heat exchanger, compressor, evaporator；
One end of compressor connects threeway Q4, and the other end connects the first outlet of two-bit triplet solenoid valve V3；
The entrance connect compressor of two-bit triplet solenoid valve V3, first outlet connect condenser, and second outlet connects accumulation of heat
Device；
One end of evaporator connects threeway Q4, and the other end connects the second outlet of V2；
There are two mouths for condenser tool：Refrigerant inlet and refrigerant exit, wherein refrigerant inlet connects the first outlet of V3, cold
Matchmaker exports connection threeway Q5；
Three ends of threeway Q5 are separately connected expansion valve, condenser and storage heater；
One end of expansion valve connects Q5, and the other end connects the entrance of V2；
There are four mouths for storage heater tool：Coolant inlet, cooling liquid outlet, refrigerant inlet, refrigerant exit, wherein：Coolant liquid
Entrance connects the first outlet of V1, and cooling liquid outlet connects threeway Q1, and refrigerant inlet connects the second outlet of V3, and refrigerant exit connects
Meet threeway Q5.
Fig. 4 is the heat accumulation method flow chart of electric vehicle under system shown in Fig. 3 provided by Embodiment 2 of the present invention, tool
Steps are as follows for body：
Step 401：VCU obtains the temperature T1 of the power battery of electric vehicle, the temperature T2 of motor and storage heater in real time
Temperature T3.
Step 402：VCU judges T1>Whether A is true, if so, executing step 403；Otherwise, step 407 is executed.
A is the cooling temperature threshold value of preset power battery.
Step 403：VCU determines that power battery needs to cool down, then sends open command, Xiang Liangwei to water pump P 1 and compressor
Three-way magnetic valve V1 sends right shift instruction, sends left shift instruction to two-bit triplet solenoid valve V2, is sent out to 2/2-way solenoid valve V5
Send open command.
Wherein：P1 is opened, V1 is moved to right so that：The coolant liquid of battery reaches heat exchanger under the driving of P1 via V1；
Compressor open, V2 move to left so that：The refrigerant of air-conditioning system is under the driving of compressor via condenser, expansion valve
Heat exchanger is reached with V2, to：The coolant liquid and refrigerant of battery exchange heat at heat exchanger；
V5, which is opened, to be made：The coolant liquid for having exchanged the battery after heat flows back to battery via V5, to which battery cools down.
Step 404：VCU judges T2>Whether C is true, if so, executing step 405；Otherwise, step 406 is executed.
C is the cooling temperature threshold value of preset motor.
Step 405：VCU sends open command to water pump P 2, sends open command to 2/2-way solenoid valve V4, goes to step
Rapid 416.
Wherein, P2, V4 are opened so that：The coolant liquid of motor reaches heat exchanger under the driving of P2, via V4, with heat
Refrigerant in exchanger carries out heat exchange, and after having exchanged heat, for coolant liquid via Q3, a part flows back to motor, another part
Again battery is flowed back to via V5.
Step 406：VCU sends out code to water pump P 2, sends out code to 2/2-way solenoid valve V4, goes to step
Rapid 416.
P2, V4 are closed so that：The coolant liquid of motor may not flow into heat exchanger.
Step 407：VCU judges T1>Whether B is true, if so, executing step 408；Otherwise, step 412 is executed.
B is the heating temperature threshold value of preset power battery, B<A.
Step 408：VCU sends out code to water pump P 1.
P1 is closed so that：The coolant liquid of battery may not flow into heat exchanger.
Step 409：VCU judges T2>Whether C is true, if so, executing step 410；Otherwise, step 411 is executed.
Step 410：VCU sends open command to water pump P 2 and compressor, while sending left shift instruction to V2, is sent to V4
Open command sends out code to V5, goes to step 416.
P2, V4 are opened so that：The coolant liquid of motor reaches heat exchanger under the driving of P2, via V4, with heat exchanger
Interior refrigerant carries out heat exchange；
Compressor is opened, V2 is moved to left so that：The refrigerant of air-conditioning system is under the driving of compressor via condenser, expansion
Valve and V2 reach heat exchanger, to：Coolant liquid and refrigerant exchange heat at heat exchanger；
After coolant liquid and refrigerant have exchanged heat, motor is flowed back to, to cooling motor, since V5 is closed, coolant liquid will not
Flow back to power battery.
Step 411：VCU sends out code to water pump P 2 and compressor, goes to step 416.
P2 is closed so that：The coolant liquid of motor may not flow into heat exchanger；
Compressor is closed so that the refrigerant of air-conditioning system may not flow into heat exchanger.
For power saving, VCU also can send out code to condenser.
Step 412：VCU sends open command to water pump P 1, and left shift instruction is sent to V1, and out code is sent to V5.
P1 is opened, V1 is moved to left so that：The coolant liquid of battery reaches accumulator under the driving of P1 via V1, then cools down
Liquid absorbs the heat of phase-change material in internal storage battery, then flows back to power battery via Q1, adds to power battery to realize
Heat.
Step 413：VCU judges T2>Whether C is true, if so, executing step 414；Otherwise, step 415 is executed.
Step 414：VCU sends open command to water pump P 2 and compressor, sends left shift instruction to V2, sends and open to V4
Instruction, goes to step 416.
P2, V4 are opened so that：The coolant liquid of motor reaches heat exchanger under the driving of P2, via V4, with heat exchanger
Interior refrigerant carries out heat exchange；
Compressor is opened, V2 is moved to left so that：The refrigerant of air-conditioning system is under the driving of compressor via condenser, expansion
Valve and V2 reach heat exchanger, to：Coolant liquid and refrigerant exchange heat at heat exchanger；
After coolant liquid and refrigerant have exchanged heat, motor is flowed back to, to cooling motor, since V5 has been switched off, coolant liquid
Power battery will not be flowed back to.
Step 415：VCU sends out code to water pump P 2 and compressor, goes to step 416.
P2 is closed so that：The coolant liquid of motor may not flow into heat exchanger；
Compressor is closed so that the refrigerant of air-conditioning system may not flow into heat exchanger.
For power saving, VCU also can send out code to condenser.
Step 416：VCU judges T3>Whether D is true, if so, executing step 417；Otherwise, step 418 is executed.
D is the regenerator temperature threshold value of preset storage heater.
Step 417：VCU sends left shift instruction to V3, sends open command to condenser, this flow terminates.
T3>D illustrates that storage heater heat is sufficient, without being further continued for accumulation of heat.
V3 is moved to left, condenser is opened so that：The refrigerant that heat is exchanged in heat exchanger is no longer flow into storage heater storage
Heat, but flow into condenser and radiate.
Step 418：VCU sends right shift instruction to V3.
T3>D is invalid, illustrates that storage heater needs accumulation of heat.
V3 is moved to right so that：The refrigerant that heat is exchanged in heat exchanger flows into storage heater accumulation of heat.
At this point, for power saving, VCU also can send out code to condenser.
Fig. 5 is the structural schematic diagram of storage heater provided in an embodiment of the present invention, as shown in figure 5, there is two inside storage heater
Disk-shaped tube, a disk-shaped tube 51 is for storing and transmitting refrigerant, and another disk-shaped tube 52 is for storing and transmitting coolant liquid two
Evenly distributed sheet metal may be used such as in disk-shaped tube：Copper sheet is fixed, and phase transformation is uniformly filled in the remaining space of storage heater
Material is such as：Paraffin and metal powder are (such as：Aluminium powder) mixture.It, can empirically determined stone in order to reach best accumulation of heat effect
Wax and metal powder are (such as：Aluminium powder) mass ratio, such as can be：5：1.Wherein, 511,512 be respectively refrigerant inlet, refrigerant exit,
521,522 difference coolant inlets, cooling liquid outlet, 53 be sheet metal.
After the refrigerant for exchanging to heat in heat exchanger is entered by refrigerant inlet 511 in storage heater, the heat of refrigerant
Amount is absorbed by phase-change material, to which heat storage get up；When battery needs cooling, the coolant liquid of battery is entered by coolant liquid
After mouth 521 enters in storage heater, coolant liquid absorbs the heat of phase-change material storage, then flows back to battery again.
Fig. 6 is the composition schematic diagram of the regenerative apparatus of electric vehicle provided in an embodiment of the present invention, which is located at electronic
On the VCU of vehicle, the device mainly includes：Cooling judgment module 61 and cooling and regeneration treatment module 62, wherein：
Whether cooling judgment module 61, battery or/and motor for real-time judge electric vehicle need to cool down, and work as needs
When cooling, by the cooling of judgement result notice and regeneration treatment module 62.
Cooling and regeneration treatment module 62, when cooling judgment module 61 judges that the battery of electric vehicle or/and motor need
When cooling, the coolant liquid inflow heat exchanger for cooling down battery or/and motor is controlled, while controlling the refrigerant stream of air-conditioning system
Enter heat exchanger, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then control coolant liquid flow back to battery or/
And motor, it to be cooled down to battery or/and motor, and controls refrigerant and flows into storage heater, to give storage heater accumulation of heat.
In practical applications, the coolant liquid inflow heat exchanger of cooling and regeneration treatment module 62 control battery includes：
Open command is sent to the first water pump P 1, sending heat exchanger direction to the first two-bit triplet solenoid valve V1 moves
Instruction so that：The first coolant liquid for cooling down battery flows into heat under the driving of the first water pump P 1 from battery via V1
Exchanger, wherein one end of the first water pump P 1 connects battery, and the other end connects V1, and the entrance of V1 connects P1, the first outlet of V1
Storage heater is connected, the second outlet of V1 connects heat exchanger.
In practical applications, when cooling judgment module 61 judges that battery and motor are required for cooling, at cooling and accumulation of heat
Reason module 62 control motor coolant liquid inflow heat exchanger include：
Open command is sent to the second water pump P 2 and the first 2/2-way solenoid valve V4, so that：For cooling down motor
Second coolant liquid is under the driving of the second water pump P 2 via V4 inflow heat exchangers, wherein one end of P2 connects motor, the other end
V4 is connected, one end of V4 connects P2, and the other end connects heat exchanger；And it sends to open to the second 2/2-way solenoid valve V5 and refer to
It enables, so that：A part for the first coolant liquid and the second coolant liquid of completing heat exchange flows back to motor, and another part is via V5
Flow back to battery, wherein one end of heat exchanger and motor direct-connected, V5 connects heat exchanger, and the other end connects battery.
In practical applications, cooling when cooling judgment module 61 judges that battery need not cool down, and motor needs cooling
And the coolant liquid inflow heat exchanger of the control motor of regeneration treatment module 62 includes：
Open command is sent to the second water pump P 2, open command is sent to the first 2/2-way solenoid valve V4, so that：With
In cooling motor the second coolant liquid under the driving of the second water pump P 2 via V4 inflow heat exchangers, wherein one end of P2 connects
Motor is connect, the other end connects V4, and one end of V4 connects P2, and the other end connects heat exchanger；And to the second 2/2-way solenoid valve
V5 sends out code, so that：The second coolant liquid for completing heat exchange all flows back to motor, wherein heat exchanger and electricity
Machine is direct-connected, and one end of V5 connects heat exchanger, and the other end connects battery.
In practical applications, the refrigerant inflow heat exchanger of cooling and regeneration treatment module 62 control air-conditioning system includes：
Open command is sent to the compressor of air-conditioning system, and heat exchanger is sent to the second two-bit triplet solenoid valve V2
The instruction of direction movement, so that the refrigerant of air-conditioning system flows into heat exchange under the driving of compressor, via condenser and V2
Device, to：The coolant liquid of battery or/and motor carries out heat exchange with refrigerant in heat exchanger, wherein the entrance of V2 passes through
The first outlet of threeway Q5 connection condensers and storage heater, V2 connects heat exchanger, the second outlet connection air-conditioning system of V2
Evaporator.
In practical applications, cooling and regeneration treatment module 62, which controls coolant liquid and flows back to battery, includes：
Open command is sent to the second 2/2-way solenoid valve V5, so that：Exchanged heat for cooling down battery
First coolant liquid flows back to battery via V5, wherein one end of V5 connects power battery, and the other end connects heat exchanger.
In practical applications, cooling and regeneration treatment module 62 control refrigerant inflow storage heater includes：
The instruction moved to storage heater direction is sent to third two-bit triplet solenoid valve V3, so that：Heat is exchanged
Refrigerant flows into storage heater under the driving of compressor from heat exchanger via V3, wherein the entrance connect compressor of V3, the of V3
One outlet connection condenser, the second outlet of V3 connect storage heater.
In practical applications, cooling and regeneration treatment module 62 controls after refrigerant flows into storage heater and is further used for：
It detects that battery needs to heat, then open command is sent to the first water pump P 1, to the first two-bit triplet solenoid valve V1
The instruction moved to storage heater direction is sent, out code is sent to the second 2/2-way solenoid valve V5, so that：For cooling down
First coolant liquid of battery flows into storage heater under the driving of the first water pump P 1, via V1, and then the first coolant liquid is in storage heater
Battery is flowed back to after exchanging to heat, realizes and is heated to battery, and the coolant liquid in heat exchanger is avoided to flow back to battery via V5,
In, one end of the first water pump P 1 connects battery, and the other end connects V1, and the entrance of V1 connects P1, and the first outlet of V1 connects accumulation of heat
The second outlet of device, V1 connects heat exchanger, and one end of V5 connects heat exchanger, and one end connects battery.
Power battery in the present invention can be lithium-ion-power cell.
The advantageous effects of the present invention are as follows：
The present invention is got up the extra thermal energy storage in the power battery or/and motor of electric vehicle using storage heater, from
And it can heat, realize the waste heat storage of power battery or/and motor and utilize to power battery when needed.And the present invention makes
The unstable high power heater that electric vehicle is not necessarily to this kind of costlinesses of PTC is obtained, cost is reduced, and, power battery low temperature
Without exporting high-voltage electricity when startup, high-voltage safety hidden danger is avoided, and, the quality of the phase-change material in storage heater is small, latent heat is high, from
The heat that one phase change is mutually absorbed or released to another is high, and amount of stored heat is big with thermal discharge, and minimum Power Recovery can be used dynamic
The heat that power battery or/and motor generate, has saved the energy, and reduces energy content of battery consumption.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (16)
1. a kind of heat accumulation method of electric vehicle, which is characterized in that this method includes：
The full-vehicle control unit VCU of electric vehicle judges whether the power battery of electric vehicle or/and motor need to cool down, if
It is that VCU controls the coolant liquid inflow heat exchanger for cooling down power battery or/and motor, while controlling the cold of air-conditioning system
Matchmaker's inflow heat exchanger, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then controls coolant liquid and flows back to power
Battery or/and motor to be cooled down to power battery or/and motor, and control refrigerant and flow into storage heater, to be stored to storage heater
Heat.
2. according to the method described in claim 1, it is characterized in that, the coolant liquid of VCU control power batteries flows into heat and hands over
Parallel operation includes：
VCU sends open command to the first water pump, and the finger that heat exchanger direction is moved is sent to the first two-bit triplet solenoid valve
It enables, so that：For cooling down the first coolant liquid of power battery under the drive of the first water pump from power battery via first liang
Position-3-way solenoid valve inflow heat exchanger, wherein one end of the first water pump connects power battery, and the other end connects the first two three
The entrance of three-way electromagnetic valve, the first two-bit triplet solenoid valve connects the first water pump, and the first outlet of the first two-bit triplet solenoid valve connects
Storage heater is connect, the second outlet of the first two-bit triplet solenoid valve connects heat exchanger.
3. according to the method described in claim 2, it is characterized in that, when power battery and motor are required for cooling, the VCU
Control motor coolant liquid inflow heat exchanger include：
VCU sends open command to the second water pump and the first 2/2-way solenoid valve, so that：Second for cooling down motor is cold
But liquid under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein one end of the second water pump
Motor is connected, the other end of the second water pump connects the first 2/2-way solenoid valve, one end connection of the first 2/2-way solenoid valve
The other end of second water pump, the first 2/2-way solenoid valve connects heat exchanger；
And the VCU sends open command to the second 2/2-way solenoid valve, so that：Complete the first cooling of heat exchange
A part for liquid and the second coolant liquid flows back to motor, and another part flows back to power battery via the second 2/2-way solenoid valve,
In, one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchanger, and the other end connects power electric
Pond.
4. according to the method described in claim 1, it is characterized in that, need not cool down when power battery, and motor needs to cool down
When, the coolant liquid inflow heat exchanger of the VCU controls motor includes：
VCU sends open command to the second water pump, and open command is sent to the first 2/2-way solenoid valve, so that：For cold
But the second coolant liquid of motor under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein
One end of second water pump connects motor, and the other end of the second water pump connects the first 2/2-way solenoid valve, the first 2/2-way electricity
One end of magnet valve connects the second water pump, and the other end of the first 2/2-way solenoid valve connects heat exchanger；
And the VCU sends out code to the second 2/2-way solenoid valve, so that：Complete the second cooling of heat exchange
Liquid all flows back to motor, wherein and one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchanger,
The other end of second 2/2-way solenoid valve connects power battery.
5. method according to any one of claims 1 to 4, which is characterized in that the refrigerant of the VCU controls air-conditioning system flows into
Heat exchanger includes：
VCU sends open command to the compressor of air-conditioning system, and sends heat exchanger side to the second two-bit triplet solenoid valve
To mobile instruction, so that the refrigerant of air-conditioning system is under the driving of compressor, it is electric via condenser and the second two-bit triplet
Magnet valve inflow heat exchanger, to：The coolant liquid of power battery or/and motor carries out heat friendship with refrigerant in heat exchanger
It changes, wherein the entrance of the second two-bit triplet solenoid valve connects condenser and storage heater, the second two-bit triplet electricity by the 5th threeway
The first outlet of magnet valve connects heat exchanger, the evaporator of the second outlet connection air-conditioning system of the second two-bit triplet solenoid valve.
6. according to the method described in claim 1, it is characterized in that, VCU controls coolant liquid flows back to power battery and includes：
VCU sends open command to the second 2/2-way solenoid valve, so that：Exchanged heat for cooling down power battery
First coolant liquid flows back to power battery via the second 2/2-way solenoid valve, wherein one end of the second 2/2-way solenoid valve connects
Power battery is connect, the other end of the second 2/2-way solenoid valve connects heat exchanger.
7. method according to any one of claims 1 to 4, which is characterized in that the VCU controls refrigerant flows into storage heater packet
It includes：
VCU sends the instruction moved to storage heater direction to third two-bit triplet solenoid valve, so that：The refrigerant of heat is exchanged
Storage heater is flowed into from heat exchanger via third two-bit triplet solenoid valve, wherein third two-bit triplet under the driving of compressor
The first outlet of the entrance connect compressor of solenoid valve, third two-bit triplet solenoid valve connects condenser, third two-bit triplet electricity
The second outlet of magnet valve connects storage heater.
8. method according to any one of claims 1 to 4, which is characterized in that the VCU controls refrigerant flows into after storage heater
Further comprise：
VCU detects that battery needs to heat, then to the first water pump send open command, to the first two-bit triplet solenoid valve send to
The instruction of storage heater direction movement sends out code to the second 2/2-way solenoid valve, so that：For cooling down power battery
The first coolant liquid under the drive of the first water pump, via the first two-bit triplet solenoid valve flow into storage heater, then first cooling
Liquid flows back to power battery after storage heater exchanges to heat, realizes and is heated to power battery, and avoids the cooling in heat exchanger
Liquid flows back to power battery via the second 2/2-way solenoid valve, wherein one end of the first water pump connects power battery, the first water pump
The other end connect the entrance of the first two-bit triplet solenoid valve, the first outlet of the first two-bit triplet solenoid valve connects storage heater,
The second outlet of first two-bit triplet solenoid valve connects heat exchanger, and one end of the second 2/2-way solenoid valve connects heat exchange
The other end of device, the second 2/2-way solenoid valve connects power battery.
9. a kind of regenerative apparatus of electric vehicle, which is characterized in that the device includes：
Cooling judgment module, whether power battery or/and motor for judging electric vehicle need to cool down；
Cooling and regeneration treatment module, when cooling judgment module judges that the power battery of electric vehicle or/and motor need to cool down
When, the coolant liquid inflow heat exchanger for cooling down power battery or/and motor is controlled, while controlling the refrigerant stream of air-conditioning system
Enter heat exchanger, so that：Coolant liquid exchanges heat with refrigerant in heat exchanger, then controls coolant liquid and flows back to power battery
Or/and motor, it to be cooled down to power battery or/and motor, and controls refrigerant and flows into storage heater, to give storage heater accumulation of heat.
10. device according to claim 9, which is characterized in that the cooling and regeneration treatment module control power battery
Coolant liquid inflow heat exchanger include：
Open command is sent to the first water pump, the instruction that heat exchanger direction is moved is sent to the first two-bit triplet solenoid valve,
So that：For cooling down the first coolant liquid of power battery under the drive of the first water pump from power battery via the first two three
Three-way electromagnetic valve inflow heat exchanger, wherein one end of the first water pump connects power battery, and the other end connects the first two-bit triplet electricity
The entrance of magnet valve, the first two-bit triplet solenoid valve connects the first water pump, and the first outlet connection of the first two-bit triplet solenoid valve stores
The second outlet of hot device, the first two-bit triplet solenoid valve connects heat exchanger.
11. device according to claim 10, which is characterized in that when cooling judgment module judges power battery and motor all
When needing cooling, the coolant liquid inflow heat exchanger of the cooling and regeneration treatment module control motor includes：
Open command is sent to the second water pump and the first 2/2-way solenoid valve, so that：The second cooling for cooling down motor
Liquid is under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein one end of the second water pump connects
Motor is connect, the other end connects the first 2/2-way solenoid valve, and one end of the first 2/2-way solenoid valve connects the second water pump, another
End connection heat exchanger；And open command is sent to the second 2/2-way solenoid valve, so that：Complete the first of heat exchange
A part for coolant liquid and the second coolant liquid flows back to motor, and another part flows back to power electric via the second 2/2-way solenoid valve
Pond, wherein one end of heat exchanger and motor direct-connected, the second 2/2-way solenoid valve connects heat exchanger, and other end connection is dynamic
Power battery.
12. device according to claim 9, which is characterized in that when cooling judgment module judgement power battery do not need it is cold
But, motor when needing cooling, the coolant liquid inflow heat exchanger of the cooling and regeneration treatment module control motor includes：
Open command is sent to the second water pump, open command is sent to the first 2/2-way solenoid valve, so that：For cooling electricity
Second coolant liquid of machine is under the driving of the second water pump via the first 2/2-way solenoid valve inflow heat exchanger, wherein second
One end of water pump connects motor, and the other end connects the first 2/2-way solenoid valve, one end connection of the first 2/2-way solenoid valve
Second water pump, the other end connect heat exchanger；And out code is sent to the second 2/2-way solenoid valve, so that：Complete heat
The second coolant liquid that amount exchanges all flows back to motor, wherein heat exchanger and motor direct-connected, the one of the second 2/2-way solenoid valve
End connection heat exchanger, the other end connect power battery.
13. according to any device of claim 9 to 12, which is characterized in that the cooling and the control of regeneration treatment module
The refrigerant inflow heat exchanger of air-conditioning system includes：
Open command is sent to the compressor of air-conditioning system, and sends heat exchanger direction to the second two-bit triplet solenoid valve and moves
Dynamic instruction, so that the refrigerant of air-conditioning system is under the driving of compressor, via condenser and the second two-bit triplet solenoid valve
Inflow heat exchanger, to：The coolant liquid of power battery or/and motor carries out heat exchange with refrigerant in heat exchanger,
In, the entrance of the second two-bit triplet solenoid valve connects condenser and storage heater, the second two-bit triplet solenoid valve by the 5th threeway
First outlet connect heat exchanger, the second two-bit triplet solenoid valve second outlet connection air-conditioning system evaporator.
14. device according to claim 9, which is characterized in that the cooling and the cooling liquid stream of regeneration treatment module control
Power battery pack is returned to include：
Open command is sent to the second 2/2-way solenoid valve, so that：The for cooling down power battery of heat is exchanged
One coolant liquid flows back to power battery via the second 2/2-way solenoid valve, wherein one end of the second 2/2-way solenoid valve connects
Power battery, the other end connect heat exchanger.
15. according to any device of claim 9 to 12, which is characterized in that the cooling and the control of regeneration treatment module
Refrigerant flows into storage heater：
The instruction moved to storage heater direction is sent to third two-bit triplet solenoid valve, so that：The refrigerant for having exchanged heat exists
Storage heater is flowed into from heat exchanger via third two-bit triplet solenoid valve, wherein third two-bit triplet electricity under the driving of compressor
The first outlet of the entrance connect compressor of magnet valve, third two-bit triplet solenoid valve connects condenser, third two-bit triplet electromagnetism
The second outlet of valve connects storage heater.
16. according to any device of claim 9 to 12, which is characterized in that the cooling and the control of regeneration treatment module
Refrigerant is further used for after flowing into storage heater：
It detects that power battery needs to heat, then sends open command to the first water pump, sent to the first two-bit triplet solenoid valve
The instruction moved to storage heater direction sends out code to the second 2/2-way solenoid valve, so that：For cooling down power electric
First coolant liquid in pond flows into storage heater under the drive of the first water pump, via the first two-bit triplet solenoid valve, and then first is cold
But liquid flows back to power battery after storage heater exchanges to heat, realizes and is heated to power battery, and avoids cold in heat exchanger
But liquid flows back to power battery via the second 2/2-way solenoid valve, wherein one end of the first water pump connects power battery, the other end
Connect the entrance of the first two-bit triplet solenoid valve, the first outlet of the first two-bit triplet solenoid valve connects storage heater, the first two
The second outlet of three-way magnetic valve connects heat exchanger, and one end of the second 2/2-way solenoid valve connects heat exchanger, the other end
Connect power battery.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313688.7A CN108674213A (en) | 2018-04-10 | 2018-04-10 | The heat accumulation method and device of electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810313688.7A CN108674213A (en) | 2018-04-10 | 2018-04-10 | The heat accumulation method and device of electric vehicle |
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| CN108674213A true CN108674213A (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110190296A (en) * | 2019-05-16 | 2019-08-30 | 苏州纳尔森能源科技有限公司 | Battery thermal management system and its control method |
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| WO2016063631A1 (en) * | 2014-10-21 | 2016-04-28 | サーチウェア株式会社 | Vehicle |
| CN107719151A (en) * | 2017-08-30 | 2018-02-23 | 北京长城华冠汽车科技股份有限公司 | Heat reservoir, the control method of heat reservoir and vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120137099A (en) * | 2011-06-10 | 2012-12-20 | 엘지전자 주식회사 | Air conditioner |
| WO2016063631A1 (en) * | 2014-10-21 | 2016-04-28 | サーチウェア株式会社 | Vehicle |
| CN107719151A (en) * | 2017-08-30 | 2018-02-23 | 北京长城华冠汽车科技股份有限公司 | Heat reservoir, the control method of heat reservoir and vehicle |
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| CN110190296A (en) * | 2019-05-16 | 2019-08-30 | 苏州纳尔森能源科技有限公司 | Battery thermal management system and its control method |
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