CN108790673A - Hybrid electric vehicle air conditioning system and control method thereof - Google Patents
Hybrid electric vehicle air conditioning system and control method thereof Download PDFInfo
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- CN108790673A CN108790673A CN201810387713.6A CN201810387713A CN108790673A CN 108790673 A CN108790673 A CN 108790673A CN 201810387713 A CN201810387713 A CN 201810387713A CN 108790673 A CN108790673 A CN 108790673A
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- Prior art keywords
- heating
- electric heater
- circuit
- increasing unit
- distance increasing
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H1/00278—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit for the battery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/03—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant
- B60H1/034—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant and from a source other than the propulsion plant from the cooling liquid of the propulsion plant and from an electric heating device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/003—Component temperature regulation using an air flow
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00271—HVAC devices specially adapted for particular vehicle parts or components and being connected to the vehicle HVAC unit
- B60H2001/00307—Component temperature regulation using a liquid flow
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to the field of hybrid electric vehicle air conditioners and discloses a hybrid electric vehicle air conditioning system which comprises a range extender cooling loop, a heating loop and a controller, wherein the heating loop is communicated with the range extender cooling loop through a first electromagnetic valve; the heating loop further comprises an electric heater, and the electric heater is used for heating the cooling liquid of the heating loop; the system also comprises a temperature sensor, and the controller is used for controlling the opening and closing of the first electromagnetic valve and the opening and closing of the electric heater according to the temperature detected by the temperature sensor; the invention also discloses another air conditioning system of the hybrid electric vehicle and a control method. The air conditioner controller and the VCU have clear responsibilities, and the heat management system CAN effectively operate through the CAN control function, so that the compartment and the high-voltage battery are in a reasonable temperature environment.
Description
Technical field
The present invention relates to hybrid power automobile air conditioner technical field more particularly to a kind of hybrid power automobile air conditioner system and
Its control method.
Background technology
According to energy saving and new-energy automobile industrial development planning, reducing discharge national policy driving influences new energy logistic car
Developing state, local policy loosely influences the production and marketing and popularization and application of new energy logistic car, and light logistics is matched with residence becomes new energy
The maximum market of source logistic car.
Since high-tension battery is critical piece on new-energy automobile, high-tension battery makes under 20~35 DEG C of temperature environment
With service life and capacity are maximum.So that high-tension battery is activated out larger activity, battery can be provided under unit volume
Larger electricity is used for vehicle, is current problem to be solved.In order to ensure the working environment of this temperature, now need air-conditioning to
It provides support.
In the prior art, cooling method is to be cooled down to battery by air-cooled, but temperature control is undesirable；And some water coolings are given
The control mode of battery cooling, is to be controlled by entire car controller, development cycle and cost are higher, are not suitable in light truck
It promotes.
The present invention proposes a kind of hybrid power automobile air conditioner control method, passes through CAN (Controller Area
Network, controller local area network) communication so that air-conditioner controller heat management system is effectively behaved, pass through control
Both the components such as three-way solenoid valve, electronic water pump, shut-off valve are operated, and hot water or cold water is inputted compartment and high-tension battery cabin, make
Temperature environment control in the reasonable scope, provide comfortable environment to drive, preference temperature provided for high-tension battery
Environmental chamber activates the maximum capacity of high-tension battery.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of hybrid power automobile air conditioner system and its controlling party
Method can make air-conditioner controller effectively behave heat management system by CAN communication, and compartment and high-tension battery can be located
In rational temperature environment.
The specific technical solution of the present invention is as follows：
A kind of hybrid power automobile air conditioner system, including distance increasing unit cooling circuit, heating circuit and controller, the heating
Circuit is connected by the first solenoid valve with the distance increasing unit cooling circuit, and first solenoid valve is for controlling coolant liquid from described
Distance increasing unit cooling circuit flows to the heating circuit；
The heating circuit includes electric heater, and the electric heater is for adding the coolant liquid of the heating circuit
Heat；
The system also includes temperature sensor, the temperature sensor is for detecting the cold of the distance increasing unit cooling circuit
But liquid temperature；
The controller be used for the temperature that is detected according to the temperature sensor control the opening and closing of first solenoid valve with
And the opening and closing of the electric heater.
Preferably, the heating circuit be compartment heating circuit, the compartment heating circuit further include the first electronic water pump,
Heater cores, the first valve body and the second valve body；
When the distance increasing unit participates in heating, first solenoid valve is opened, the coolant liquid of the distance increasing unit cooling circuit according to
It is secondary to pass through first electronic water pump, the electric heater, the heater cores, second valve body and first valve body,
And it is recycled in the compartment heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump is by the compartment
Coolant liquid in heating circuit is pumped into the electric heater, and the coolant liquid after heating recycles in the compartment heating circuit.
Preferably, the heating circuit is battery flat heating circuit, and the battery flat heating circuit further includes the first electronics
Water pump, third electronic water pump, battery pack, charge air cooler, handpiece Water Chilling Units, the second valve body and the first valve body；
When the distance increasing unit participates in heating, first solenoid valve is opened, the coolant liquid of the distance increasing unit cooling circuit according to
It is secondary to pass through first electronic water pump, the electric heater, the third electronic water pump, the battery pack, the charge air cooler, institute
Handpiece Water Chilling Units, second valve body and first valve body are stated, and is recycled in the battery flat heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump is by the battery
Coolant liquid in the heating circuit of cabin is pumped into the electric heater, and the coolant liquid after heating is followed in the battery flat heating circuit
Ring.
Further, the system also includes battery flat refrigerating circuit, the battery flat refrigerating circuit includes third electronics
Water pump, battery pack, charge air cooler and handpiece Water Chilling Units, refrigerant can flow into the handpiece Water Chilling Units by second solenoid valve, and described
The coolant liquid of battery flat refrigerating circuit carries out heat exchange.
The present invention also provides another hybrid power automobile air conditioner systems, including distance increasing unit cooling circuit, compartment to heat
Circuit, battery flat heating circuit and controller, the compartment heating circuit are cooled back by the first solenoid valve and the distance increasing unit
Road is connected, and first solenoid valve flows to the compartment heating circuit for controlling coolant liquid from the distance increasing unit cooling circuit；
The compartment heating circuit includes electric heater, and the electric heater is for the cooling to the compartment heating circuit
Liquid is heated；
The battery flat heating circuit includes heat exchanger, and the compartment heating circuit is logical with the battery flat heating circuit
It crosses the heat exchanger and carries out heat exchange；
The system also includes temperature sensor, the temperature sensor is for detecting the cold of the distance increasing unit cooling circuit
But liquid temperature；
The controller be used for the temperature that is detected according to the temperature sensor control the opening and closing of first solenoid valve with
And the opening and closing of electric heater.
Further, the compartment heating circuit further includes the first electronic water pump, heater cores, the first valve body and the second valve
Body；
When the distance increasing unit participates in heating, first solenoid valve is opened, the coolant liquid of the distance increasing unit cooling circuit according to
It is secondary to pass through first electronic water pump, the electric heater, the heater cores, second valve body and first valve body,
And it is recycled in the compartment heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump is by the compartment
Coolant liquid in heating circuit is pumped into the electric heater, and the coolant liquid after heating recycles in the compartment heating circuit.
Preferably, the battery flat heating circuit further includes third electronic water pump, battery pack, charge air cooler and handpiece Water Chilling Units；
When the distance increasing unit participates in heating, first solenoid valve is opened, the coolant liquid of the distance increasing unit cooling circuit according to
It is secondary by first electronic water pump, the electric heater, the heater cores, second valve body, the heat exchanger and
First valve body carries out heat exchange by the coolant liquid in the heat exchanger and the battery flat heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump is by the compartment
Coolant liquid in heating circuit is pumped into the electric heater, and the coolant liquid after heating passes through the heat exchanger, with the battery
Coolant liquid in the heating circuit of cabin carries out heat exchange.
Further, the system also includes battery flat refrigerating circuit, the battery flat refrigerating circuit includes third electronics
Water pump, battery pack, charge air cooler, handpiece Water Chilling Units and heat exchanger, refrigerant can flow into the cooling-water machine by second solenoid valve
Group carries out heat exchange with the coolant liquid of the battery flat refrigerating circuit.
The invention also provides a kind of control method of hybrid power automobile air conditioner system, the hybrid power automobile air conditioners
System includes distance increasing unit, electric heater, compressor, VCU (Vehicle Control Unit, entire car controller), airconditioning control
Device, electronic water pump and valve body, the method includes：
Heating/refrigeration request is received, and the VCU is sent to by CAN bus；
The request received by CAN bus is handled, if the request is heating request, judges the distance increasing unit
Whether coolant temperature reaches temperature threshold, if reaching the temperature threshold, heat source is provided by the distance increasing unit；If not reaching
To the temperature threshold, then calculates the output power of the electric heater and control the electric heater with the output power work
Make, heat source is provided by the electric heater；If the request is refrigeration request, calculate described in the compressor rotary speed and control
Compressor operating；
Instruction is sent by CAN bus to air-conditioner controller to work to control the electronic water pump and the valve body.
Further, the refrigerating/heating request includes chiller compartment/heating request and the request of battery flat refrigerating/heating；
Receiving the battery flat heating/refrigeration request includes later：
When battery flat needs heating, battery core temperature and water inlet temperature are sent to the VCU by the battery controller；
When battery flat needs cooling, the excessively high signal of battery core temperature is sent to the VCU by the battery controller.
Preferably, the calculating electric heater output power includes：
When there is demand for heat in compartment, the VCU is calculated by judging request signal and temperature setting that compartment is sent out
The corresponding magnitude of power of electric heater, and control the electric heater and run with corresponding magnitude of power；
When battery flat has demand for heat, the output power of the electric heater is the first power preset value.
Further, the calculating compressor rotary speed includes：
The VCU is associated with evaporating temperature signal and pressure switch signal according to the demand in compartment and the demand of battery flat,
The rear of calculation process sends control instruction to the air-conditioner controller；
The resistance value of the air-conditioner controller acquisition evaporating temperature sensor, and corresponding temperature value is converted to, then pass through
CAN bus is sent to the VCU；
The VCU is by being associated with the relationship of evaporating temperature sensor corresponding temperature value and compressor rotary speed, in conjunction with mixing
Air door gear determines the rotating speed of the compressor.
Preferably, when compartment has heating demand or battery flat to have heating demand, including：
When the distance increasing unit coolant temperature reaches the first temperature threshold, the electric heater does not work, and heat source is by institute
Distance increasing unit offer is stated, the VCU controls the air-conditioner controller work；
When the distance increasing unit coolant temperature does not reach first temperature threshold, the electric heater work, heat
Source is provided by the electric heater, and the VCU controls the electric heater capacity output and air-conditioner controller work；
When compartment and battery flat have heating demand, including：
When the distance increasing unit coolant temperature reaches second temperature threshold value, the electric heater does not work, and heat source is by institute
Distance increasing unit offer is stated, the VCU controls the air-conditioner controller work；
When the distance increasing unit coolant temperature does not reach second temperature threshold value, the electric heater work, the VCU
Control the electric heater capacity output and air-conditioner controller work.
Further, when compartment has cooling demand and/or battery flat to have cooling demand, including：
The VCU calculates compressor rotary speed, and controls the compressor and air-conditioner controller work；
Wherein, when battery flat has cooling demand, battery flat is dropped by the coolant liquid in battery flat refrigerating circuit
Temperature, coolant liquid and the refrigerant of the battery flat refrigerating circuit carry out heat exchange.
Implement the embodiment of the present invention, has the advantages that：
(1) air-conditioner controller and entire car controller VCU of the invention are clear in job responsibility, functional specification, and CAN control functions are full
Power is reduced while sufficient radiating requirements as far as possible, reduces energy consumption；
(2) present invention makes air-conditioner controller effectively behave heat management system by CAN communication, is carried to drive
For comfortable environment, suitable temperature environment cabin is provided for high-tension battery, activates high-tension battery maximum capacity, while cold in offer
The heat exchange amount of cooling demand；
(3) present invention considers winter low temperature and summer high temperature, makes according to what vehicle defined according to the use environment of vehicle
Control strategy is formulated with environment temperature.
Description of the drawings
Fig. 1 is a kind of hybrid power automobile air conditioner system structure diagram provided in an embodiment of the present invention；
Fig. 2 is another hybrid power automobile air conditioner system structure diagram provided in an embodiment of the present invention；
Fig. 3 is a kind of hybrid power automobile air conditioner system control method flow chart provided in an embodiment of the present invention；
Fig. 4 is a kind of control principle frame of hybrid power automobile air conditioner system control method provided in an embodiment of the present invention
Figure；
When Fig. 5 is 0 grade of changes in temperature gear provided in an embodiment of the present invention, the relationship signal of compressor rotary speed and evaporating temperature
Figure；
When Fig. 6 is 1 grade of changes in temperature gear provided in an embodiment of the present invention, the relationship signal of compressor rotary speed and evaporating temperature
Figure；
When Fig. 7 is 2 grades of changes in temperature gear provided in an embodiment of the present invention, the relationship signal of compressor rotary speed and evaporating temperature
Figure；
When Fig. 8 is 3 grades of changes in temperature gear provided in an embodiment of the present invention, the relationship signal of compressor rotary speed and evaporating temperature
Figure.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, the present invention is made into one below in conjunction with attached drawing
Step ground detailed description.Obviously, described embodiment is only a part of the embodiment of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
Every other embodiment, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot
It is interpreted as indicating or implies relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more this feature.Moreover, term " first ",
" second " etc. is suitable for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that in this way
The data used can be interchanged in the appropriate case, so that the embodiment of the present invention described herein can be in addition to scheming herein
Sequence other than those of showing or describe is implemented.
Embodiment 1
A kind of hybrid power automobile air conditioner system is present embodiments provided, Fig. 1 is referred to, it illustrates a kind of hybrid powers
The structure diagram of automotive air-conditioning system, including distance increasing unit cooling circuit, heating circuit and controller, the heating circuit pass through
One solenoid valve is connected with the distance increasing unit cooling circuit, and first solenoid valve is cooled down for controlling coolant liquid from the distance increasing unit
Circuit flows to the heating circuit.In the present embodiment, the heating circuit can be compartment heating circuit, or battery flat
Heating circuit can also be existing compartment heating circuit, also have battery flat heating circuit, be not specifically limited here.
The heating circuit includes electric heater 3, and the electric heater 3 is used to carry out the coolant liquid of the heating circuit
Heating；
The system also includes temperature sensor, the temperature sensor is for detecting the cold of the distance increasing unit cooling circuit
But liquid temperature；
The controller be used for the temperature that is detected according to the temperature sensor control the opening and closing of first solenoid valve with
And the opening and closing of the electric heater 3.
The compartment heating circuit further includes the first electronic water pump 2, heater cores 4, the first valve body 6 and the second valve body 5.Institute
When stating the participation heating of distance increasing unit 1, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit is successively by described
First electronic water pump 2, the electric heater 3, the heater cores 4, second valve body 5 and first valve body 6, and in institute
It states and is recycled in compartment heating circuit；When the distance increasing unit 1 is not involved in heating, first solenoid valve is closed, first electronics
Coolant liquid in the compartment heating circuit is pumped into the electric heater 3 by water pump 2, and the coolant liquid after heating adds in the compartment
It is recycled in hot loop.
The battery flat heating circuit further include the first electronic water pump 2, third electronic water pump 7, battery pack 8, charge air cooler 9,
Handpiece Water Chilling Units 10, the second valve body 5 and the first valve body 6.When the distance increasing unit 1 participates in heating, first solenoid valve is opened, described
The coolant liquid of distance increasing unit cooling circuit passes through first electronic water pump 2, the electric heater 3, the third electronic water successively
Pump 7, the battery pack 8, the charge air cooler 9, the handpiece Water Chilling Units 10, second valve body 5 and first valve body 6, and
It is recycled in the battery flat heating circuit；When the distance increasing unit 1 is not involved in heating, first solenoid valve is closed, and described first
Coolant liquid in the battery flat heating circuit is pumped into the electric heater 3 by electronic water pump 2, and the coolant liquid after heating is described
It is recycled in battery flat heating circuit.
The system also includes battery flat refrigerating circuit, the battery flat refrigerating circuit includes third electronic water pump 7, battery
Packet 8, charge air cooler 9 and handpiece Water Chilling Units 10, refrigerant can flow into the handpiece Water Chilling Units 10 by second solenoid valve 11, with the electricity
The coolant liquid of pond cabin refrigerating circuit carries out heat exchange, and refrigerant is flowed out from the handpiece Water Chilling Units 10 again, into compressor 14.
Embodiment 2
Another hybrid power automobile air conditioner system is present embodiments provided, Fig. 2 is referred to, including distance increasing unit cools back
Road, compartment heating circuit, battery flat heating circuit and controller, the compartment heating circuit pass through the first solenoid valve and the increasing
Journey device cooling circuit is connected, and first solenoid valve flows to the compartment for controlling coolant liquid from the distance increasing unit cooling circuit
Heating circuit；
The compartment heating circuit includes electric heater 3, and the electric heater 3 is used for the cold of the compartment heating circuit
But liquid is heated；
The battery flat heating circuit includes heat exchanger 16, the compartment heating circuit and the battery flat heating circuit
Heat exchange is carried out by the heat exchanger 16；
The system also includes temperature sensor, the temperature sensor is for detecting the cold of the distance increasing unit cooling circuit
But liquid temperature；
The controller be used for the temperature that is detected according to the temperature sensor control the opening and closing of first solenoid valve with
And the opening and closing of electric heater.
The compartment heating circuit further includes the first electronic water pump 2, heater cores 4, the first valve body 6 and the second valve body 5.Institute
When stating the participation heating of distance increasing unit 1, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit is successively by described
First electronic water pump 2, the electric heater 3, the heater cores 4, second valve body 5 and first valve body 6, and in institute
It states and is recycled in compartment heating circuit；When the distance increasing unit 1 is not involved in heating, first solenoid valve is closed, first electronics
Coolant liquid in the compartment heating circuit is pumped into the electric heater 3 by water pump 2, and the coolant liquid after heating adds in the compartment
It is recycled in hot loop.
The battery flat heating circuit further includes third electronic water pump 7, battery pack 8, charge air cooler 9 and handpiece Water Chilling Units 10.Institute
When stating the participation heating of distance increasing unit 1, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit is successively by described
First electronic water pump 2, the electric heater 3, the heater cores 4, second valve body 5, the heat exchanger 16 and described
First valve body 6 carries out heat exchange by the coolant liquid in the heat exchanger 3 and the battery flat heating circuit；The increasing
When journey device 1 is not involved in heating, first solenoid valve is closed, and first electronic water pump 2 will be in the compartment heating circuit
Coolant liquid is pumped into the electric heater 3, and the coolant liquid after heating passes through the heat exchanger 16, with the battery flat heating circuit
In coolant liquid carry out heat exchange.
The system also includes battery flat refrigerating circuit, the battery flat refrigerating circuit includes third electronic water pump 7, battery
Packet 8, charge air cooler 9, handpiece Water Chilling Units 10 and heat exchanger 16, refrigerant can flow into the handpiece Water Chilling Units by second solenoid valve 11
10, heat exchange is carried out with the coolant liquid of the battery flat refrigerating circuit, refrigerant is flowed out from the handpiece Water Chilling Units 10 again, into pressure
Contracting machine 14.
Embodiment 3
Present embodiments provide a kind of hybrid power automobile air conditioner system control method, the hybrid power automobile air conditioner system
System includes distance increasing unit, electric heater, compressor, VCU, air-conditioner controller, electronic water pump and valve body, refers to Fig. 3, it illustrates
A kind of hybrid power automobile air conditioner system control method flow chart, including：
S301. heating/refrigeration request is received, and VCU is sent to by CAN bus.
Wherein, the refrigerating/heating request includes chiller compartment/heating request and the request of battery flat refrigerating/heating, air-conditioning
Controller receives heating/refrigeration request of compartment and/or battery flat, and is sent to VCU by CAN bus.User is logical in compartment
Crossing operating air conditioner control panel generation request signal includes：It A/C request signals, heat request signal, temperature request signal and removes
White request signal.
It receives after the heating of the battery flat/refrigeration request and includes：When battery flat needs heating, the battery control
Battery core temperature and water inlet temperature are sent to the VCU by device processed；When battery flat needs cooling, the battery controller will be electric
The excessively high signal of core temperature is sent to the VCU.
S302. the request received by CAN bus is handled.
S303. judge whether the request received is heating request.
If S304. the request is heating request, judge whether distance increasing unit coolant temperature reaches temperature threshold.
If S305. reaching the temperature threshold, heat source is provided by the distance increasing unit.
Here temperature threshold includes the first temperature threshold and second temperature threshold value, and first temperature threshold is corresponding to be
When compartment has heating demand or battery flat to have heating demand, the corresponding second temperature threshold value is to work as compartment and battery flat
When having heating demand, and first temperature threshold is less than or equal to second temperature threshold value.First temperature described in the present embodiment
It is 55 DEG C to spend threshold value, and the second temperature threshold value is 60 DEG C.
If S306. not reaching the temperature threshold, calculates electric heater output power and control the electric heater
With constant power operations, heat source is provided by the electric heater.
Wherein, the calculating electric heater output power includes：
When there is demand for heat in compartment, the VCU is calculated by judging request signal and temperature setting that user sends out
The corresponding magnitude of power of electric heater, and control the electric heater and run with corresponding magnitude of power；
When battery flat has demand for heat, the output power of the electric heater is the first power preset value, the present embodiment
In, the first power preset value is 6000W.
If the request is refrigeration request, calculates compressor rotary speed and control the compressor operating.
The calculating compressor rotary speed includes：
The VCU is associated with evaporating temperature signal and pressure switch signal according to the demand in compartment and the demand of battery flat,
The rear of calculation process sends control instruction to the air-conditioner controller；
The resistance value of the air-conditioner controller acquisition evaporating temperature sensor, and corresponding temperature value is converted to, then pass through
CAN bus is sent to the VCU；
The VCU is by being associated with the relationship of evaporating temperature sensor corresponding temperature value and compressor rotary speed, in conjunction with mixing
Air door gear determines the rotating speed of compressor.
S308. instruction is sent to air-conditioner controller by CAN bus to work to control corresponding electronic water pump and valve body.
Air-conditioner controller works according to the instruction of the VCU of reception to control corresponding electronic water pump and valve body.
Air-conditioner controller also receives wind direction mode signal, air force signal, the inner-outer circulation signal that user sends out, and does
Go out respective handling, the air force etc. of wind turbine is controlled by the angle of Serve Motor Control air door, by speed adjusting resistance.
Fig. 4 is referred to, it illustrates a kind of hybrid power automobile air conditioner system control method control principle block diagrams, in conjunction with figure
3 and Fig. 4, a kind of course of work of hybrid power automobile air conditioner system are as follows：
(1) when there is a heating demand in compartment and battery flat without heating demand when, including：
When distance increasing unit coolant temperature reaches 55 DEG C or more, the electric heater 3 does not work, and heat source is by the distance increasing unit
1 provides, and the VCU controls the air-conditioner controller work, and the air-conditioner controller is to the first electronic water pump 2,6 and of the first valve body
Second valve body 5 sends control instruction, and controls air-conditioner host warm wind channel opening, and wind turbine operating, low temperature wind passes through heater cores 4
And hot wind is blown out, make Vehicle cabin warm-up；Hot water flows to：First electronic water pump 2- electric heater 3- heater cores the second valve bodies of 4- 5-
One the first electronic water pumps of valve body 6- 2.
When distance increasing unit coolant temperature does not reach 55 DEG C or more, the electric heater 3 works, and the VCU controls institute
Power output and the air-conditioner controller work of electric heater 3 are stated, the air-conditioner controller is to the first electronic water pump 2, first
Valve body 6 and the second valve body 5 send control instruction, and control air-conditioner host warm wind channel opening, and wind turbine operating, low temperature wind passes through warm
Wind core 4 simultaneously blows out hot wind, makes Vehicle cabin warm-up；Hot water flows to：First electronic water pump 2- electric heater 3- heater cores 4- second
The first electronic water pumps of valve body 5- the first valve body 6- 2.
(2) when compartment without heating demand and when battery flat has heating demand, including：
When distance increasing unit coolant temperature reaches 55 DEG C or more, the electric heater 3 does not work, and heat source is by the distance increasing unit
1 provides, and the VCU controls the air-conditioner controller work, and the air-conditioner controller is to the first electronic water pump 2,6 and of the first valve body
Second valve body 5 sends control instruction, while third electronic water pump 7 operates, and battery flat is made to heat up, hot water flow direction：First electronic water
Pump the first electronic water pumps of 2- electric heater 3- heater cores 4- the second valve body 5- heat exchangers 16- the first valve body 6- 2.
When distance increasing unit coolant temperature does not reach 55 DEG C or more, the electric heater 3 works, the battery controller
Battery core temperature and water inlet temperature are issued into the VCU, heating instructions is generated after the VCU operations, controls the electrical heating
Device power output and air-conditioner controller work, the air-conditioner controller is to the first electronic water pump 2, the first valve body 6 and second
Valve body 5 sends control instruction, while third electronic water pump 7 operates, and battery flat is made to heat up, hot water flow direction：First electronic water pump 2-
The first electronic water pumps of electric heater 3- heater cores 4- the second valve body 5- heat exchangers 16- the first valve body 6- 2.
(3) when compartment and battery flat have heating demand, including：
When distance increasing unit coolant temperature reaches 60 DEG C or more, the electric heater 3 does not work, and heat source is by the distance increasing unit
1 provides, and the VCU controls the air-conditioner controller work, and the air-conditioner controller is to the first electronic water pump 2, third electronic water
It pumps the 7, first valve body 6 and the second valve body 5 sends control instruction, and control air-conditioner host warm wind channel opening, wind turbine operating, low temperature
Wind is by heater cores 4 and blows out hot wind, makes Vehicle cabin warm-up, while third electronic water pump 7 operates, and so that battery flat is heated up, hot water
Flow direction：First the first electricity of electronic water pump 2- electric heater 3- heater cores 4- the second valve body 5- heat exchangers the first valve bodies of 16- 6-
Sub- water pump 2.
When distance increasing unit coolant temperature does not reach 60 DEG C or more, the electric heater 3 works, and the VCU controls institute
Electric heater capacity output and air-conditioner controller work are stated, the air-conditioner controller is to the first electronic water pump 2, third electronics
Water pump 7, the first valve body 6 and the second valve body 5 send control instruction, and control air-conditioner host warm wind channel opening, and wind turbine operating is low
Warm air is by heater cores 4 and blows out hot wind, makes Vehicle cabin warm-up, while third electronic water pump 7 operates, and battery flat is made to heat up, heat
Flow to：First electronic water pump 2- electric heater 3- heater cores 4- the second valve body 5- heat exchangers the first valve bodies of 16- 6- first
Electronic water pump 2；
(4) when there is a cooling demand in compartment, battery flat without cooling demand, including：
Whether the VCU identifications air-conditioning system pressure is normal, if normal, rotating speed, the electronics of the VCU controls compressor 14
Rotation speed of the fan and air-conditioner controller work, the air-conditioner controller is to third electronic water pump 7, second solenoid valve 11 and third
Solenoid valve 12 sends control instruction, and controls the closing of air-conditioner host warm wind channel, and wind turbine operating, high warm air passes through evaporation core body 4
And blowing cold air, so that compartment is cooled down, refrigerant flow direction：Compressor 14- condensers 15- high and low voltage switches-third solenoid valve 12- steams
Send out device 13- compressors 14.
(5) when compartment is without cooling demand, battery flat has cooling demand, including：
When battery flat has cooling demand, cooled down to battery flat by the coolant liquid in battery flat refrigerating circuit, institute
The coolant liquid and refrigerant for stating battery flat refrigerating circuit carry out heat exchange.
Specifically, the VCU exports tach signal to compressor 14, and compressor 14 is run as required, the airconditioning control
Device sends control instruction to second solenoid valve 11 and third solenoid valve 12, and controls the operation of third electronic water pump 7, refrigerant stream
To：Compressor 14- condenser 15- high-low pressures switch-second solenoid valve 11- handpiece Water Chilling Units 10- compressors 14；Cooling liquid stream
To：Handpiece Water Chilling Units 10- heat exchanger 16- third electronic water pump 7- battery pack 8- charge air cooler 9- handpiece Water Chilling Units 10.
(6) when compartment and battery flat have cooling demand, including：
When battery flat has cooling demand, cooled down to battery flat by the coolant liquid in battery flat refrigerating circuit, institute
The coolant liquid and refrigerant for stating battery flat refrigerating circuit carry out heat exchange.
Specifically, the VCU exports tach signal to compressor 14, and compressor 14 is run as required, the airconditioning control
Device sends control instruction to second solenoid valve 11 and third solenoid valve 12, and controls the operation of third electronic water pump 7, the first refrigerant
Flow direction：Compressor 14- condensers 15- high and low voltage switches-third solenoid valve 12- evaporator 13- compressors 14；Second refrigerant stream
To：Compressor 14- condenser 15- high-low pressures switch-second solenoid valve 11- handpiece Water Chilling Units 10- compressors 14；Cooling liquid stream
To：Handpiece Water Chilling Units 10- heat exchanger 16- third electronic water pump 7- battery pack 8- charge air cooler 9- handpiece Water Chilling Units 10.
The course of work of hybrid power automobile air conditioner system described above is to be based on system shown in Fig. 2, for such as
System shown in FIG. 1, the course of work is substantially similar, only because in Fig. 1, compartment heating circuit and battery flat heating circuit
It is independent from each other, therefore when battery flat needs heating, it is not need to rely on compartment heating circuit, coolant liquid can directly pass through
Third electronic water pump 7, which is pumped into battery flat heating circuit, makes battery flat heat up, remaining is repeated no more.
Embodiment 4
Present embodiments provide a kind of hybrid power automobile air conditioner panel control system, wherein Air-Conditioning Control Panel includes
A/C buttons, cycle button, pattern knob, air quantity knob and temperature adjustment knob.
It is as follows to the operating instruction of A/C buttons：
1, if wind shelves are non-zero shelves, changes in temperature knob is set in cold-zone (0~3 grade), AC indicator lights are closed, user's operation AC
Button, AC requests are effective, and AC indicator lights are lighted；
2, if wind shelves are non-zero shelves, changes in temperature knob is set in cold-zone (0~3 grade), AC indicator lights are opened, user's operation AC
Button, AC requests are invalid, and AC indicator lights extinguish；
3, if wind shelves are non-zero shelves, changes in temperature knob is set in intermediate or hot-zone (4~8 grades), user's operation AC buttons, AC
All keep request invalid, AC indicator lights extinguish；
4, if wind shelves are 0 grade, user's operation AC buttons, AC keeps request invalid, and AC indicator lights extinguish；
5, AC requests have power failure memory function, when AC requests are effective before powering off, after re-powering, and the non-zero shelves of wind shelves, changes in temperature
When knob is set in cold-zone (0~3 grade), AC requests are effective, and AC indicator lights are opened；
6, air-conditioner controller sends HVAC_AC_ON_REQ by CAN bus to VCU.
Operability to recycling button is described as follows：
1, it when cycle indicator light is lighted, is circularly set as interior cycle；
2, it when cycle indicator light extinguishes, is circularly set as outer circulation；
3, when circulating in interior cycle, operation circulation button, cycle indicator light extinguishes, cyclic switching to outer circulation；
4, when cycle is outer circulation, operation circulation button, cycle indicator light is lighted, cyclic switching to interior cycle.
Pattern knob is described as follows：
This knob, switch mode air door are rotated, air-conditioner controller sends AC_Mode_Sts states by CAN bus to VCU
Signal：
| Serial number | Pattern damper positions | Feedback voltage |
| 1 | Pattern blows face | 1.1V±0.1V |
| 2 | Pattern blows face & and blows foot | 1.96V±0.1V |
| 3 | Blow foot | 2.23V±0.1V |
| 4 | Blow foot & defrostings 1 | 2.5V±0.1V |
| 5 | Blow foot & defrostings 2 | 2.7V±0.1V |
| 6 | Defrosting | 2.82V±0.1V |
Wherein, defrosting is required, when blender door is in heating location, and pattern air door is in defrosting position, defrosting
Heating is placed in greatest priority, and the output power of ptc heater is 4000W (only car parts), the PTC heating in the present embodiment
Device is a kind of ceramic electrothermal element, be a kind of automatic constant-temperature, power saving electric heater.
When blender door is in refrigeration position, and pattern air door is in defrosting position, defrosting heating is placed in greatest priority,
It is 2500rpm (only car parts) that compressor, which exports rotating speed,.
It is as follows for the operating instruction of air quantity knob：
1, this knob is rotated, air quantity is made to switch at 0~4 grade；
2, if air quantity is 0 grade：Compressor, PTC request signals are closed；
3, air-conditioner controller sends AC_Blow_Sts status signals by CAN bus to VCU.
It is as follows for the operating instruction of changes in temperature knob：
1, changes in temperature knob is divided into 9 gears by being as cold as full heat entirely:From left to right 4 grades be cold-zone (0~3 grade), intermediate one grade be cold
Thermal center (4 grades), from right to left 4 grades be hot-zone (5~8 grades)；
2, changes in temperature knob is using cold and hot central point as basic point, to anticlockwise to complete cold, to right rotation to full heat；
| Serial number | Blender door position | Feedback voltage |
| 1 | It is most cold | 4.5V±0.1V |
| 2 | It is most hot | 0.5V±0.1V |
Note：Air door other positions are divided equally according to voltage value；
3, air-conditioner controller sends AC_Mix_Sts status signals by CAN bus to VCU；
4, when changes in temperature knob is arranged to 4 grades, AC and PTC requests are all invalid；
5, when changes in temperature knob is arranged to 5~8 grades, the non-zero shelves of air quantity, PTC requests are effective；
6, when changes in temperature knob is arranged to 5~8 grades, when air quantity is 0 grade, PTC requests are invalid；
7, air-conditioner controller sends PTC_ON_REQ signals by CAN bus to VCU.
It is as follows for the control process of solenoid valve：
1, air-conditioner controller receives the electromagnetic valve switch instruction execution of VCU by CAN bus；
2, the Valve_enable1 that VCU is sent not enable signal when, solenoid valve 1 end；
When the Valve_enable1 enable signals that 3, VCU is sent, solenoid valve 1 is opened；
4, the Valve_enable2 that VCU is sent not enable signal when, solenoid valve 2 end；
When the Valve_enable2 enable signals that 5, VCU is sent, solenoid valve 2 is opened；
6, after air-conditioner controller controls corresponding electromagnetic valve work, corresponding Valve_ is sent to VCU by CAN bus
Sts1 states and Valve_Sts2 states.
It is as follows for the control process of T-way water valve：
1, air-conditioner controller receives the T-way water valve switch order execution of VCU by CAN bus；
2, controller receives the Tee-Valve_enable enable signals that VCU is sent and executes corresponding control：
| Serial number | Signal validity | V1 is exported | V2 is exported | V3 is exported |
| 1 | In vain | L | - | H |
| 2 | A and b is logical, and a and c is disconnected | L | - | - |
| 3 | A and c is logical, and a and b is disconnected | L | H | H |
3, after controller executes corresponding control, Tee-Valve_Sts status signals are sent to VCU by CAN bus.
It is as follows for the control process of electronic water pump：
The kinetic pump of waterway circulating, PWM control forms are carried out to passenger compartment and power battery heating, air-conditioner controller passes through
The electronic water pump switch order that CAN bus receives VCU executes；
1, air-conditioner controller receives the electronic water pump switch order execution of VCU by CAN bus；
2, air-conditioner controller need to receive the enabled letters of electronic water pump power supply relay state Pump_Relay_Sts that VCU is sent
Electronic water pump number could be allowed to open；
3, air-conditioner controller, which need to receive electronic water pump Pump_enable enable signals, could allow corresponding water pump to open work
Make；
4, when water pump allows to open, after air-conditioner controller receives electronic water pump pwm signal：
When pwm signal is 0~20%, water pump is stopped, and controller does not export PWM waveform；
When pwm signal is 20~80%, water pump adjustable working, controller exports corresponding PWM waveform；
When pwm signal is 80%~100%, water pump maximum power work, controller exports PWM duty cycle 100%；
5, air-conditioner controller sends corresponding water pump state by CAN bus to VCU；
6, controller receives the energization and enable signal that VCU is sent, and feeds back to VCU by CAN lines；
7, controller sends the duty ratio of PWM to VCU in real time by CAN lines；
8, controller feeds back to VCU by the malfunction of acquisition water pump by CAN signal；
9, when water pump feedback failure, controller does not export PWM；
10, when fault of water pump, by rigid line feedback controller, high level is failure, and low level is normal.
The control process of compressor is as follows：
1, VCU is according to the demand of compartment demand and battery flat, and the corresponding signal such as be associated with evaporating temperature, pressure switch,
It makes corresponding signal to export to air-conditioner controller, and wakes up air-conditioner controller simultaneously；
2, controller is converted to corresponding temperature value, then lead to by acquiring evaporating temperature sensor resistance value by R-T tables
CAN network is crossed to send to VCU：
| Signal name | Length | Initial position | Signal validity | Unit | Offset | Sending module | Remarks |
| Evaporating temperature | 8 | 16 | 0~120 | 1℃ | -40 | AC |
3, compressor opens rotating speed by VCU by being associated with the corresponding temperature value of evaporator temperature sensor and compressor rotary speed
Relationship carries out calibration determination in conjunction with blender door gear, can execute operation according to following table：
According to different evaporating temperature desired values, different maintenance rotating speeds is demarcated.When 0 grade of changes in temperature gear, compressor rotary speed
It is as shown in Figure 5 with the relationship of evaporating temperature；When 1 grade of changes in temperature gear, the relationship of compressor rotary speed and evaporating temperature is as shown in Figure 6；
When 2 grades of changes in temperature gear, the relationship of compressor rotary speed and evaporating temperature is as shown in Figure 7；When 3 grades of changes in temperature gear, compressor rotary speed with
The relationship of evaporating temperature is as shown in Figure 8；
4, VCU issues air-conditioner controller after calculating compressor rotary speed；
5, when battery has cooling demand, VCU combinations following table carries out comprehensive operation, and compressor rotary speed value is passed through CAN
Issue air-conditioner controller：
6, VCU sends the rotating speed of compressor by CAN communication signal.
It is as follows that PTC controls process：
1, PTC is opened by VCU by judging user's request, temperature setting, with constant power operation, while need to ensure to export
Temperature, and corresponding power numerical value is issued into air-conditioner controller, power output is as shown in the table：
2, when battery flat has demand for heat, PTC output powers are executed by 6000W；
3, VCU sends PTC power by CAN communication.
When high and low pressure switch (high and low pressure switch is series connection) no ground signalling is input to VCU, VCU must stop pressing
Contracting machine works.
After compressor of air conditioner works, fan is operated with duty ratio 60%, and after having middle crimping earth signal, fan is with duty
Than 100% operating.
If air conditioner blower air quantity is 0 grade：Compressor, PTC request signals are closed；If ignition switch is placed in OFF grades：
Compressor, PTC request signals are closed.
Distance increasing unit participates in the requirement of compartment heating and battery flat heating：
Distance increasing unit leaving water temperature < 60 DEG C (this temperature is determined by distance increasing unit)：When VCU is according to distance increasing unit leaving water temperature, ring
The relationship of border temperature and setting temperature, calculates PTC=1, electronic water pump 1=1, then PTC water heaters work, electronic water pump 1
It must work；
Distance increasing unit leaving water temperature < 60 DEG C (this temperature is determined by distance increasing unit)：When VCU is according to distance increasing unit leaving water temperature, ring
The relationship of border temperature and setting temperature, calculates PTC=0, electronic water pump 1=0, then whether are PTC water heaters, electronic water pump 1
Work is determined by battery；
Distance increasing unit leaving water temperature >=60 DEG C (this temperature is determined by distance increasing unit)：By VCU according to distance increasing unit leaving water temperature, ring
The relationship of border temperature and setting temperature calculates PTC=0 if compartment needs to heat, and then electronic water pump 1 works electronic water pump 1=1,
Whether PTC water heaters work is determined by battery；
Distance increasing unit leaving water temperature >=60 DEG C (this temperature is determined by distance increasing unit)：By VCU according to distance increasing unit leaving water temperature, ring
The relationship of border temperature and setting temperature calculates PTC=0 if compartment is not required to heat, electronic water pump 1=0 then electronic water pump 1,
Whether PTC water heaters work is determined by battery；
Note：PTC=1 indicates that PTC has request；
Electronic water pump 1=1 indicates electronic water pump operating.
After electronic water pump work, VCU instructs PTC water heater works after obtaining the signal feedback that electronic water pump has worked
Make；After PTC water heaters are stopped, after VCU obtains feedback signal, air-conditioner controller, air-conditioner controller instruction are issued a command to
Electronic water pump work stops.VCU is after obtaining the signal feedback of shut-off valve opening, the work of instruction compression machine；Compressor stops work
After work, after VCU obtains information feedback, air-conditioner controller is issued a command to, air-conditioner controller instructs shut-off valve work to stop.
Above disclosed is only presently preferred embodiments of the present invention, cannot limit the right of the present invention with this certainly
Range, therefore equivalent changes made in accordance with the claims of the present invention, are still within the scope of the present invention.
Claims (10)
1. a kind of hybrid power automobile air conditioner system, which is characterized in that including distance increasing unit cooling circuit, heating circuit and control
Device, the heating circuit are connected by the first solenoid valve with the distance increasing unit cooling circuit, and first solenoid valve is for controlling
Coolant liquid flows to the heating circuit from the distance increasing unit cooling circuit；
The heating circuit includes electric heater, and the electric heater is for heating the coolant liquid of the heating circuit；
The system also includes temperature sensor, the temperature sensor is used to detect the coolant liquid of the distance increasing unit cooling circuit
Temperature；
The temperature that the controller is used to be detected according to the temperature sensor controls opening and closing and the institute of first solenoid valve
State the opening and closing of electric heater.
2. a kind of hybrid power automobile air conditioner system according to claim 1, which is characterized in that the heating circuit is vehicle
Compartment heating circuit, the compartment heating circuit further include the first electronic water pump, heater cores, the first valve body and the second valve body；
When the distance increasing unit participates in heating, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit passes through successively
Cross first electronic water pump, the electric heater, the heater cores, second valve body and first valve body, and
It is recycled in the compartment heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump heats the compartment
Coolant liquid in circuit is pumped into the electric heater, and the coolant liquid after heating recycles in the compartment heating circuit.
3. a kind of hybrid power automobile air conditioner system according to claim 1, which is characterized in that the heating circuit is electricity
Pond cabin heating circuit, the battery flat heating circuit further include the first electronic water pump, third electronic water pump, battery pack, charge air cooler,
Handpiece Water Chilling Units, the second valve body and the first valve body；
When the distance increasing unit participates in heating, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit passes through successively
Cross the first electronic water pump, electric heater, the third electronic water pump, the battery pack, the charge air cooler, described cold
Water dispenser group, second valve body and first valve body, and recycled in the battery flat heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump adds the battery flat
Coolant liquid in hot loop is pumped into the electric heater, and the coolant liquid after heating recycles in the battery flat heating circuit.
4. a kind of hybrid power automobile air conditioner system according to claim 1, which is characterized in that the system also includes electricity
The refrigerating circuit of pond cabin, the battery flat refrigerating circuit include third electronic water pump, battery pack, charge air cooler and handpiece Water Chilling Units, refrigeration
Agent can flow into the handpiece Water Chilling Units by second solenoid valve, and heat exchange is carried out with the coolant liquid of the battery flat refrigerating circuit.
5. a kind of hybrid power automobile air conditioner system, which is characterized in that including distance increasing unit cooling circuit, compartment heating circuit, electricity
Pond cabin heating circuit and controller, the compartment heating circuit are connected by the first solenoid valve with the distance increasing unit cooling circuit,
First solenoid valve flows to the compartment heating circuit for controlling coolant liquid from the distance increasing unit cooling circuit；
The compartment heating circuit includes electric heater, the electric heater be used for the coolant liquid of the compartment heating circuit into
Row heating；
The battery flat heating circuit includes heat exchanger, and the compartment heating circuit passes through institute with the battery flat heating circuit
It states heat exchanger and carries out heat exchange；
The system also includes temperature sensor, the temperature sensor is used to detect the coolant liquid of the distance increasing unit cooling circuit
Temperature；
The temperature that the controller is used to be detected according to the temperature sensor controls opening and closing and the electricity of first solenoid valve
The opening and closing of heater.
6. a kind of hybrid power automobile air conditioner system according to claim 5, which is characterized in that the compartment heating circuit
Further include the first electronic water pump, heater cores, the first valve body and the second valve body；
When the distance increasing unit participates in heating, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit passes through successively
Cross first electronic water pump, the electric heater, the heater cores, second valve body and first valve body, and
It is recycled in the compartment heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump heats the compartment
Coolant liquid in circuit is pumped into the electric heater, and the coolant liquid after heating recycles in the compartment heating circuit.
7. a kind of hybrid power automobile air conditioner system according to claim 6, which is characterized in that the battery flat heats back
Road further includes third electronic water pump, battery pack, charge air cooler and handpiece Water Chilling Units；
When the distance increasing unit participates in heating, first solenoid valve is opened, and the coolant liquid of the distance increasing unit cooling circuit passes through successively
Cross first electronic water pump, the electric heater, the heater cores, second valve body, the heat exchanger and described
First valve body carries out heat exchange by the coolant liquid in the heat exchanger and the battery flat heating circuit；
When the distance increasing unit is not involved in heating, first solenoid valve is closed, and first electronic water pump heats the compartment
Coolant liquid in circuit is pumped into the electric heater, and the coolant liquid after heating passes through the heat exchanger, adds with the battery flat
Coolant liquid in hot loop carries out heat exchange.
8. a kind of hybrid power automobile air conditioner system according to claim 5, which is characterized in that the system also includes electricity
The refrigerating circuit of pond cabin, the battery flat refrigerating circuit include third electronic water pump, battery pack, charge air cooler, handpiece Water Chilling Units and Re Jiao
Parallel operation, refrigerant can flow into the handpiece Water Chilling Units by second solenoid valve, with the coolant liquid of the battery flat refrigerating circuit into
Row heat exchange.
9. a kind of control method of hybrid power automobile air conditioner system, the hybrid power automobile air conditioner system include distance increasing unit,
Electric heater, compressor, VCU, air-conditioner controller, electronic water pump and valve body, which is characterized in that the method includes：
Heating/refrigeration request is received, and the VCU is sent to by CAN bus；
The request received by CAN bus is handled, if the request is heating request, judges the cooling of the distance increasing unit
Whether liquid temperature reaches temperature threshold, if reaching the temperature threshold, heat source is provided by the distance increasing unit；If not reaching institute
Temperature threshold is stated, then calculates the output power of the electric heater and controls the electric heater and worked with the output power,
Heat source is provided by the electric heater；If the request is refrigeration request, calculates the compressor rotary speed and control the pressure
Contracting machine works；
Instruction is sent by CAN bus to air-conditioner controller to work to control the electronic water pump and the valve body.
10. a kind of control method of hybrid power automobile air conditioner system according to claim 9, which is characterized in that
When compartment has heating demand or battery flat to have heating demand, including：
When the distance increasing unit coolant temperature reaches the first temperature threshold, the electric heater does not work, and heat source is by the increasing
Journey device provides, and the VCU controls the air-conditioner controller work；
When the distance increasing unit coolant temperature does not reach first temperature threshold, electric heater work, heat source by
The electric heater provides, and the VCU controls the electric heater capacity output and air-conditioner controller work；
When compartment and battery flat have heating demand, including：
When the distance increasing unit coolant temperature reaches second temperature threshold value, the electric heater does not work, and heat source is by the increasing
Journey device provides, and the VCU controls the air-conditioner controller work；
When the distance increasing unit coolant temperature does not reach second temperature threshold value, the electric heater work, the VCU controls
The electric heater capacity output and air-conditioner controller work；
When compartment has cooling demand and/or battery flat to have cooling demand, including：
The VCU calculates compressor rotary speed, and controls the compressor and air-conditioner controller work；
Wherein, when battery flat has cooling demand, cooled down to battery flat by the coolant liquid in battery flat refrigerating circuit, institute
The coolant liquid and refrigerant for stating battery flat refrigerating circuit carry out heat exchange.
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