CN102705962B - Control method and device for manual air conditioner of electric car - Google Patents
Control method and device for manual air conditioner of electric car Download PDFInfo
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- CN102705962B CN102705962B CN201210139761.6A CN201210139761A CN102705962B CN 102705962 B CN102705962 B CN 102705962B CN 201210139761 A CN201210139761 A CN 201210139761A CN 102705962 B CN102705962 B CN 102705962B
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Abstract
The invention discloses control method and device for a manual air conditioner of an electric car. An electric air conditioning compressor and an electric heater are controlled by a microprocessor control unit (MCU), and accordingly when the air conditioner of the car meets the starting condition, output power of the electric compressor and the electric heater is regulated manually by a user. Energy consumption of the electric car is economized, control of a cold air way and a hot air way and the air mixing function of an air conditioning system of the electric car are omitted, the electric air conditioning compressor and the electric heater don't work simultaneously, and heating and refrigerating are achieved independently according to requirements of the user. When the electric conditioning compressor and the electric heater don't work, natural air can be transmitted to the car by controlling a blower by the aid of a manual conditioning controller, and electric power can be economized to the maximum limit.
Description
Technical field
The present invention discloses a kind of control method of manual air conditioner of electric car and device, belongs to electric automobile air conditioner and controls skill
Art field.
Background technology：
With the continuous progress of electric vehicle engineering, the trend of electric vehicle industrialization is more and more obvious.As following main
Want potential vehicle, electric automobile needs to provide comfortable environment for human pilot, has the electric air-conditioning system of a set of efficient energy-saving
System to the market development of electric automobile it is critical that.Orthodox car heating system adopts residual heat type mode of heating, from starting
Machine coolant out flows through heater, heating air about, then with fan, heat is delivered to in-car again.Refrigeration system
By driven by engine compressor of air conditioner, refrigerant R134a is made to circulate to realize freezing.The airconditioning control of existing electric automobile
Device is directly to be worked using high pressure electrically-driven compressors and heater, realizes refrigeration and heating function it is impossible to high by user's control
Piezoelectric Driving compressor and heater work respectively, and therefore, high pressure electric driven compression mechanism cold and heater heating are carried out simultaneously,
Waste valuable battery power.
Content of the invention
The present invention discloses a kind of control method of manual air conditioner of electric car, meets entry condition in electric automobile air conditioner
When, the output of compressor and heater is adjusted by user；This air-conditioner controller can be after vaporizer of sampling simultaneously
The temperature of temperature sensor, the output of automatic fine tuning electric air-conditioning compressor and electric heater, ensureing driving
Under the premise of, it is effectively reduced output it is achieved that the effect of energy-conservation.
Present invention also offers realizing the control device of said method it is achieved that Non-follow control air-conditioner controller, this air-conditioning
Controller using the control strategy manually and automatically combining, on the premise of providing comfortable driving environment for driver and conductor,
Decrease the consumption of battery electric quantity, effectively extend the continual mileage of electric automobile.
The technical solution of the control method of manual air conditioner of electric car that the present invention provides is as follows：
Rotation is adjusted by MCU, low-end driver, half-bridge driven, display lamp, button, central air door adjusting knob, cold-hot air door
Button and air quantity adjusting knob etc. constitute manual air conditioner of electric car, wherein,
The A/D sampling module of Micro-processor MCV is connected with temperature sensor after vaporizer, temperature letter at collection vaporizer
Number；The SPI module of MCU is connected with the SPI interface of low-end driver, reads the self-diagnosis information of low-end driver；MCU's
GPIO4 module is connected with the input of low-end driver, the enable of the outfan of low-end driver and electric air-conditioning compressor and
Power adjusts interface and the power adjustment interface of electric heater connects, and enables electric air-conditioning compressor and adjustment electric air-conditioning pressure
The output of contracting machine, adjusts the output of electric heater simultaneously；The GPIO5 module of MCU and the input of electric heater
End connects, and detects electric heater connection status；The ECT module of MCU and the diagnosis of electric air-conditioning compressor and power output connect
Mouth connects, the pwm signal of collection electric air-conditioning compressor output, reads electric air-conditioning compressor real output value and autodiagnosis
Disconnected information；The GPIO7 module of MCU is connected with the outfan of entire car controller, the level state of collection outfan, controls electronic sky
Compressor and electric heater is adjusted to enable；The GPIO6 module of MCU is connected with the input of half-bridge driven, the output of half-bridge driven
End is connected with internal-external cycle throttle motor, controls the open amount of internal-external cycle throttle；Another outfan of half-bridge driven with
Entire car controller links, and controls the air-conditioning switch of entire car controller to enable；The GPIO1 module of MCU is connected with display lamp respectively；
The GPIO2 module of MCU is connected with function button respectively.
The positive effect of the present invention is：Electric air-conditioning compressor, electric heater are controlled using Micro-processor MCV, real
Show the output work to be adjusted motor compressor and electric heater when air conditioning for automobiles meets entry condition by user manually
Rate；Save electric automobile energy consumption, electric automobile air-conditioning system is cancelled cold-hot air door and controlled and air mixing function, electric air-conditioning compresses
Work during mechanical, electrical dynamic heater difference, needs to be implemented separately the function of heating and refrigeration according to user；In electric air-conditioning compression
When mechanical, electrical dynamic heater does not work, manual air conditioning controller also can control aerator to in-car conveying natural wind, has accomplished maximum
Limit saves electric energy.
Brief description
Fig. 1 is manual air conditioner of electric car controller system block diagram；
Fig. 2 is manual air conditioner of electric car controller principle block diagram.
Specific embodiment
Embodiment 1
According to Fig. 1, the present invention is mainly by MCU, low-end driver, half-bridge driven, display lamp, button, central air door
Adjusting knob, cold-hot air door adjusting knob and blower air quantity adjusting knob etc. are constituted, wherein,
The A/D sampling module of Micro-processor MCV is connected with temperature sensor after vaporizer, temperature letter at collection vaporizer
Number；The SPI module of MCU is connected with the SPI interface of low-end driver, reads the self-diagnosis information of low-end driver；MCU's
GPIO4 module is connected with the input of low-end driver, the enable of the outfan of low-end driver and electric air-conditioning compressor and
Power adjusts interface and the power adjustment interface of electric heater connects, and enables electric air-conditioning compressor and adjustment electric air-conditioning pressure
The output of contracting machine, adjusts the output of electric heater simultaneously；The GPIO5 module of MCU and the input of electric heater
End connects, and detects electric heater connection status；The ECT module of MCU and the diagnosis of electric air-conditioning compressor and power output connect
Mouth connects, the pwm signal of collection electric air-conditioning compressor output, reads electric air-conditioning compressor real output value and autodiagnosis
Disconnected information；The GPIO7 module of MCU is connected with the outfan of entire car controller, the level state of collection outfan, controls electronic sky
Compressor and electric heater is adjusted to enable；The GPIO6 module of MCU is connected with the input of half-bridge driven, the output of half-bridge driven
End is connected with internal-external cycle throttle motor, controls the open amount of internal-external cycle throttle；Another outfan of half-bridge driven with
Entire car controller links, and controls the air-conditioning switch of entire car controller to enable；The GPIO1 module of MCU is connected with display lamp respectively；
The GPIO2 module of MCU is connected with function button respectively.
Embodiment 2
According to Fig. 2, the AD sampling channel PAD00 of Micro-processor MCV connects cold-hot air door position signalling.MCU's
MOSI, MISO, SCK and SS connect SI, SO, CLK and CS of low-end driver respectively, read the self diagnosis letter of low-end driver
Breath.PP0 and PP5 of MCU connects IN2 and IN3 of low-end driver, OUT2 and OUT3 of low-end driver connects electric air-conditioning pressure
PWM and STB of contracting machine, enables electric air-conditioning compressor and the output of adjustment electric air-conditioning compressor.The PP1 of MCU connects
The IN1 of low-end driver, the OUT1 of low-end driver connect the PWM of heater, the output of adjustment electric heater.Electronic
DIAG and POWER of compressor of air conditioner connects PT0 and PT1 of MCU, the pwm signal of sampling electric air-conditioning compressor output, reads
Electric air-conditioning compressor real output value and self-diagnosis information.The ACP that PT5 and PT6 of MCU connects entire car controller enables
Signal and PTC enable signal.PE0 and PE1 of MCU connects IN2 and IN1 of half-bridge driven, OUT2 and OUT1 of half-bridge driven is even
Connect inside and outside air door motor, the PE2 of MCU connects the IN3 of half-bridge driven, the IN3 of half-bridge driven connects entire car controller.MCU
PK0～PK7, respectively connect rear windshield burner on light, inner-outer circulation display lamp, PTC power display lamp 3, PTC power instruction
Lamp 2, PTC power display lamp 1, ACP power display lamp 3, ACP power display lamp 2 and ACP power display lamp 1.MCU PS0～
PS4, connects PTC work button, ACP work button, inner-outer circulation button, rear windshield heating button and front windshield defrosting respectively and presses
Key.Cold-hot air door adjusting knob and central air door adjusting knob connect cold-hot air door and central air door by wire drawing.
The chip that CAN transceiver of the present invention uses is：The TJA1055 of NXP company, MCU use chip be
The MC90SXDP512 of Freescale company, low-side driver circuitry use chip be：The TLE6220GP of Infineon company,
Half-bridge driver chip is：The TLE4208 of Infineon company, collection and filter circuit are by a series of capacitance resistance wares, two poles
Pipe and audion are constituted.
The work process of apparatus of the present invention is as follows：
Heating process：MCU sample PTC button press number of times, successively control PTC power display lamp 1 bright, 1 and 2 is bright, 1,2
With 3 all light, 1,2 and 3 entirely go out between circulation.MCU samples PTC enable holding wire and is pulled low, if PTC burner on light 1 is bright,
MCU adjustment PWM duty cycle controls PTC output 1；If PTC burner on light 1,2 is bright, MCU adjustment PWM duty cycle controls
PTC output 2；If bright, the MCU adjustment PWM duty cycle control PTC output 3 of PTC burner on light 1,2 and 3；If
PTC burner on light 1,2 and 3 goes out, and MCU controls PTC to forbid exporting.
Process of refrigerastion：MCU sample ACP button press number of times, successively control ACP power display lamp 1 bright, 1 and 2 is bright, 1,2
With 3 all light, 1,2 and 3 entirely go out between circulation.MCU samples ACP enable holding wire and is pulled low, temperature sensor temperature after condenser
Higher than 2 degree, if ACP refrigeration display lamp 1 is bright, MCU adjustment PWM duty cycle controls ACP output 1；If ACP refrigeration instruction
Lamp 1,2 is bright, and MCU adjustment PWM duty cycle controls ACP output 2；MCU controls PTC output 1；If ACP refrigeration instruction
Bright, the MCU adjustment PWM duty cycle control ACP output 3 of lamp 1,2 and 3；If ACP refrigeration display lamp 1,2 and 3 goes out, MCU controls
ACP forbids exporting.
Inner-outer circulation switches：MCU detects front windshield defrosting button and is pressed, and MCU controls front windshield defrosting button instruction
Lamp is bright, and electric automobile air conditioner can only operate under outer circulation pattern, and otherwise MCU detects inner-outer circulation button and is pressed, and MCU is controlled
Inner-outer circulation display lamp processed is bright, then control damper motor to be switched to interior circulation pattern, if MCU detects inner-outer circulation button again
Secondary be pressed, MCU control inner-outer circulation display lamp go out, then control damper motor be switched to outer circulation pattern.
Rear windshield heating process：MCU detects rear windshield heating button and is pressed, and MCU controls rear windshield burner on light
Bright, MCU drags down rear windshield heating and enables signal.If MCU detects rear windshield, heating button is pressed again, and MCU controls pass
Close rear windshield heating system.
Blower air quantity is adjusted：Rotary blasting fan delivery adjusting knob, adjusts aerator and drives output voltage, control air blast
Machine discharge quantity of fan.
Cold-hot air door is adjusted：Rotation cold-hot air door knob, manual air conditioning controller controls air door to be respectively at by wire drawing
Refrigeration and the position of heating.
Central air door is adjusted：Rotation of central air door is adjusted, and manual air conditioning controller is controlled air-out mould respectively by wire drawing
Formula is adjusted to blows front windshield, blows foot, blows foot and shirtfront, and blows shirtfront.
The spi bus of MCU connect the spi bus of half-bridge driven, and the fault message reading half-bridge driven is processed.MCU
Sampling PTC the locked sampled voltage of adapter, if high level it is allowed to PTC work, otherwise forbid PTC work.MCU's
ECT module connects DIAG the and POWER pin of ACP, reads output and the diagnostic message of ACP.
The AD sampling module of MCU connects temperature sensor after vaporizer, sample temperature value, if temperature is less than sets temperature
Degree, then control compressor not work, prevent compressor frosting.
Claims (1)
1. a kind of control method of manual air conditioner of electric car, including MCU, low-end driver, half-bridge driven, display lamp, button,
Central air door adjusting knob, cold-hot air door adjusting knob and air quantity adjusting knob constitute manual air conditioner of electric car, wherein, micro- place
The A/D sampling module of reason device MCU is connected with temperature sensor after vaporizer, temperature signal at collection vaporizer；The SPI mould of MCU
Block is connected with the SPI interface of low-end driver, reads the self-diagnosis information of low-end driver；The GPIO4 module of MCU is driven with low side
The input of dynamic device connects, the enable of the outfan of low-end driver and electric air-conditioning compressor and power adjustment interface and electronic
The power adjustment interface of heater connects, and enables electric air-conditioning compressor and the output of adjustment electric air-conditioning compressor, with
When adjustment electric heater output；The GPIO5 module of MCU is connected with the input of electric heater, and detection is electronic
Heater connection status；The ECT module of MCU is connected with the diagnosis of electric air-conditioning compressor and power output interface, and collection is electronic
The PWM signal of compressor of air conditioner output, reads electric air-conditioning compressor real output value and self-diagnosis information；MCU's
GPIO7 module is connected with the outfan of entire car controller, the level state of collection outfan, controls electric air-conditioning compressor and electricity
Dynamic heater enables；The GPIO6 module of MCU is connected with the input of half-bridge driven, the outfan of half-bridge driven and inner-outer circulation
Air door motor connects, and controls the open amount of internal-external cycle throttle；Another outfan of half-bridge driven and entire car controller chain
Connect, control the air-conditioning switch of entire car controller to enable；The GPIO1 module of MCU is connected with display lamp respectively；The GPIO2 mould of MCU
Block is connected with function button respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139761.6A CN102705962B (en) | 2012-05-08 | 2012-05-08 | Control method and device for manual air conditioner of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210139761.6A CN102705962B (en) | 2012-05-08 | 2012-05-08 | Control method and device for manual air conditioner of electric car |
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| Publication Number | Publication Date |
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| CN102705962A CN102705962A (en) | 2012-10-03 |
| CN102705962B true CN102705962B (en) | 2017-02-15 |
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| CN201210139761.6A Active CN102705962B (en) | 2012-05-08 | 2012-05-08 | Control method and device for manual air conditioner of electric car |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103786665A (en) * | 2014-02-21 | 2014-05-14 | 苏州智信通电子科技有限公司 | Intelligent automobile heating system |
| CN103940035B (en) * | 2014-03-31 | 2016-08-17 | 广东美的制冷设备有限公司 | Air-conditioning control method and control system |
| CN106114129B (en) * | 2016-06-27 | 2018-10-16 | 北京新能源汽车股份有限公司 | The control method of the air handling system of electric vehicle |
| CN106379172A (en) * | 2016-08-29 | 2017-02-08 | 博耐尔汽车电气***有限公司 | Display circuit used for AC indicator lamp of car air conditioner |
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| US6664751B1 (en) * | 2002-06-17 | 2003-12-16 | Ford Motor Company | Method and arrangement for a controlling strategy for electronic components in a hybrid electric vehicle |
| KR20110062232A (en) * | 2009-12-03 | 2011-06-10 | 현대자동차주식회사 | Air-conditioning system of electric vehicle and method for controlling the same |
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| CN202613679U (en) * | 2012-05-08 | 2012-12-19 | 中国第一汽车股份有限公司 | Manual air-conditioning controller for electric vehicles |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6664751B1 (en) * | 2002-06-17 | 2003-12-16 | Ford Motor Company | Method and arrangement for a controlling strategy for electronic components in a hybrid electric vehicle |
| KR20110062232A (en) * | 2009-12-03 | 2011-06-10 | 현대자동차주식회사 | Air-conditioning system of electric vehicle and method for controlling the same |
| CN102278807A (en) * | 2011-06-07 | 2011-12-14 | 山东宝雅新能源汽车股份有限公司 | Air-conditioning control system of electromobile |
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