CN102705962A - 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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- CN102705962A CN102705962A CN2012101397616A CN201210139761A CN102705962A CN 102705962 A CN102705962 A CN 102705962A CN 2012101397616 A CN2012101397616 A CN 2012101397616A CN 201210139761 A CN201210139761 A CN 201210139761A CN 102705962 A CN102705962 A CN 102705962A
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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 the control method and the device of the manual air-conditioning of a kind of electric automobile, belongs to electric automobile air conditioner controlling technology field.
Background technology:
Along with the continuous progress of electric vehicle engineering, the trend of electric vehicle industrialization is more and more obvious.As main potential vehicle in future, electric automobile need provide comfortable environment for human pilot, and the electric air-conditioning system that has a cover efficient energy-saving is vital to the market development of electric automobile.The orthodox car heating system adopts waste heat formula mode of heating, and the cooling fluid of coming out from the engine heater of flowing through heats its ambient air, and then with fan heat delivered in the car.Refrigeration system circulates refrigerant R134a and is realized refrigeration by the engine drives compressor of air conditioner.The air-conditioner controller of existing electric automobile is directly to use high-tension electricity Driven Compressor and heater work; Realize refrigeration and heating function; Can't control the high-tension electricity Driven Compressor and heater is worked respectively by the user; Therefore, the battery power that waste is valuable is carried out in high-tension electricity Driven Compressor refrigeration and heater heating simultaneously.
Summary of the invention
The present invention discloses the control method of the manual air-conditioning of a kind of electric automobile, when the electric automobile air-conditioning satisfies entry condition, is regulated the power output of compressor and heater by the user; This air-conditioner controller can be through the temperature of temperature sensor behind the sampling evaporimeter simultaneously, and the power output of automatic fine tuning electric air-conditioning compressor and electric heater under the prerequisite that guarantees driving, has effectively reduced power output, has realized energy-conservation effect.
The present invention also provides the control device of realizing said method; Realized manual control air-conditioner controller; This air-conditioner controller adopts manually and the control strategy that combines automatically; Providing for the driver and conductor under the prerequisite of comfortable driving environment, reduced the consumption of battery electric quantity, effectively prolonged the continual mileage of electric automobile.
The technical solution of the control method of the manual air-conditioning of electric automobile provided by the invention is following:
Constitute the manual air-conditioning of electric automobile by MCU, low-end driver, half-bridge driven, indicator lamp, button, central air door adjusting knob, cold and hot air door adjusting knob and air quantity adjusting knob etc., wherein,
Temperature sensor is connected behind the A/D sampling module of microprocessor MCU and the evaporimeter, gathers evaporimeter place temperature signal; The SPI module of MCU 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 connected with the input of low-end driver; The enabling of the output of low-end driver and electric air-conditioning compressor is connected with the power adjustment interface of power adjustment interface and electric heater; Enable the power output of electric air-conditioning compressor and adjustment electric air-conditioning compressor, adjust the power output of electric heater simultaneously; The GPIO5 module of MCU is connected with the input of electric heater, detects the electric heater connection status; The ECT module of MCU is connected with the power output interface with the diagnosis of electric air-conditioning compressor, gathers the pwm signal of electric air-conditioning compressor output, reads electric air-conditioning compressor real output value and self-diagnosis information; The GPIO7 module of MCU is connected with the output of entire car controller, gathers the level state of output, and control electric air-conditioning compressor and electric heater enable; The GPIO6 module of MCU is connected with the input of half-bridge driven, and the output of half-bridge driven is connected with the internal-external cycle throttle drive motors, the open amount of control internal-external cycle throttle; Another output and the entire car controller of half-bridge driven link, and the air-conditioning switch of control entire car controller enables; The GPIO1 module of MCU is connected with indicator lamp respectively; The GPIO2 module of MCU is connected with function button respectively.
Good effect of the present invention is:Adopt microprocessor MCU control electric air-conditioning compressor, electric heater, realized when air conditioning for automobiles satisfies entry condition, manually regulate the power output of motor compressor and electric heater by the user; Practiced thrift the electric automobile energy consumption, electric automobile air-conditioning system is cancelled cold and hot air door control and is mixed the wind function, and electric air-conditioning compressor, electric heater are not worked simultaneously, realize the function that heats and freeze separately according to user's needs; When electric air-conditioning compressor, electric heater were not worked, manually air-conditioner controller also can be controlled air blast and in car, carry natural wind, has accomplished to save to greatest extent electric energy.
Description of drawings
Fig. 1 is the manual air-conditioner controller system block diagram of electric automobile;
Fig. 2 is the manual air-conditioner controller theory diagram of electric automobile.
The specific embodiment
Embodiment 1
According to shown in Figure 1, the present invention mainly is made up of MCU, low-end driver, half-bridge driven, indicator lamp, button, central air door adjusting knob, cold and hot air door adjusting knob and air blast air quantity adjusting knob etc., wherein,
Temperature sensor is connected behind the A/D sampling module of microprocessor MCU and the evaporimeter, gathers evaporimeter place temperature signal; The SPI module of MCU 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 connected with the input of low-end driver; The enabling of the output of low-end driver and electric air-conditioning compressor is connected with the power adjustment interface of power adjustment interface and electric heater; Enable the power output of electric air-conditioning compressor and adjustment electric air-conditioning compressor, adjust the power output of electric heater simultaneously; The GPIO5 module of MCU is connected with the input of electric heater, detects the electric heater connection status; The ECT module of MCU is connected with the power output interface with the diagnosis of electric air-conditioning compressor, gathers the pwm signal of electric air-conditioning compressor output, reads electric air-conditioning compressor real output value and self-diagnosis information; The GPIO7 module of MCU is connected with the output of entire car controller, gathers the level state of output, and control electric air-conditioning compressor and electric heater enable; The GPIO6 module of MCU is connected with the input of half-bridge driven, and the output of half-bridge driven is connected with the internal-external cycle throttle drive motors, the open amount of control internal-external cycle throttle; Another output and the entire car controller of half-bridge driven link, and the air-conditioning switch of control entire car controller enables; The GPIO1 module of MCU is connected with indicator lamp respectively; The GPIO2 module of MCU is connected with function button respectively.
Embodiment 2
According to shown in Figure 2, the AD sampling channel PAD00 of microprocessor MCU connects cold and hot damper positions signal.The MOSI of MCU, MISO, SCK and SS are connected SI, SO, CLK and the CS of low-end driver respectively, read the self-diagnosis information of low-end driver.The PP0 of MCU is connected the IN2 and the IN3 of low-end driver with PP5, the OUT2 of low-end driver is connected the PWM and the STB of electric air-conditioning compressor with OUT3, enables the power output of electric air-conditioning compressor and adjustment electric air-conditioning compressor.The PP1 of MCU connects the IN1 of low-end driver, and the OUT1 of low-end driver connects the PWM of heater, the power output of adjustment electric heater.The DIAG of electric air-conditioning compressor is connected PT0 and the PT1 of MCU with POWER, the pwm signal of sampling electric air-conditioning compressor output reads electric air-conditioning compressor real output value and self-diagnosis information.The PT5 of MCU is connected the ACP enable signal and the PTC enable signal of entire car controller with PT6.The PE0 of MCU is connected the IN2 and the IN1 of half-bridge driven with PE1, the OUT2 of half-bridge driven is connected inside and outside air door drive motors with OUT1, and the PE2 of MCU connects the IN3 of half-bridge driven, and the IN3 of half-bridge driven connects entire car controller.PK0～PK7 of MCU; PS0～the PS4 that connects rear windshield burner on light, interior outer circulation indicator lamp, PTC power indicator lamp 3, PTC power indicator lamp 2, PTC power indicator lamp 1, ACP power indicator lamp 3, ACP power indicator lamp 2 and ACP power indicator lamp 1.MCU respectively connects PTC work button, ACP work button, interior outer circulation button, rear windshield heating button and front windshield defrosting button respectively.Cold and hot air door adjusting knob is connected cold and hot air door and central air door with central air door adjusting knob through wire drawing.
The chip that CAN bus transceiver of the present invention uses is: the TJA1055 of NXP company; The chip that MCU uses is the MC90SXDP512 of Freescale company; The chip that low-side driver circuitry is used is: the TLE6220GP of Infineon company; The half-bridge driver chip is: the TLE4208 of Infineon company, collection is to be made up of a series of capacitance resistance wares, diode and triode with filter circuit.
The course of work of apparatus of the present invention is following:
Heating process: MCU sampling PTC button press number of times, it is bright to control PTC power indicator lamp 1 successively, 1 and 2 is bright, 1,2 and 3 is bright entirely, 1,2 and 3 circulate between going out entirely.MCU samples PTC enable signal line and is dragged down, if PTC burner on light 1 is bright, and MCU adjustment PWM dutycycle control PTC power output 1; If PTC burner on light 1,2 is bright, MCU adjustment PWM dutycycle control PTC power output 2; If PTC burner on light 1,2 and 3 is bright, MCU adjustment PWM dutycycle control PTC power output 3; If PTC burner on light 1,2 and 3 goes out, MCU control PTC forbids output.
Process of refrigerastion: MCU sampling ACP button press number of times, it is bright to control ACP power indicator lamp 1 successively, 1 and 2 is bright, 1,2 and 3 is bright entirely, 1,2 and 3 circulate between going out entirely.MCU samples ACP enable signal line and is dragged down, and the TEMP actuator temperature is higher than 2 degree behind the condenser, if ACP refrigeration indicator lamp 1 is bright, and MCU adjustment PWM dutycycle control ACP power output 1; If ACP refrigeration indicator lamp 1,2 is bright, MCU adjustment PWM dutycycle control ACP power output 2; MCU control PTC power output 1; If ACP refrigeration indicator lamp 1,2 and 3 is bright, MCU adjustment PWM dutycycle control ACP power output 3; If ACP refrigeration indicator lamp 1,2 and 3 goes out, MCU control ACP forbids output.
Interior outer circulation is switched: MCU detects front windshield defrosting button and is pressed, and MCU control front windshield defrosting button indicator lamp is bright, and the electric automobile air-conditioning can only be operated under the outer circulation pattern; Otherwise the outer circulation button was pressed in MCU detected; The outer circulation indicator lamp is bright in the MCU control, then controls damper motor and switches to interior circulation pattern, is pressed once more if MCU detects interior outer circulation button; The outer circulation indicator lamp goes out in the MCU control, then controls damper motor and switches to the outer circulation pattern.
Rear windshield heating process: MCU detects rear windshield heating button and is pressed, and MCU control rear windshield burner on light is bright, and MCU drags down rear windshield heating enable signal.Button is pressed once more if MCU detects the rear windshield heating, and the rear windshield heating system is closed in MCU control.
The air blast air quantity is regulated: rotary blower air quantity adjusting knob, and regulate air blast and drive output voltage, control air blast discharge quantity of fan.
Cold and hot air door is regulated: rotate cold and hot air door knob, manually air-conditioner controller is in the position of refrigeration and heating respectively through wire drawing control air door.
Central authorities' air door is regulated: rotate central air door and regulate, manually air-conditioner controller is controlled respectively the air-out mode adjustment to blowing front windshield, blow pin, blow pin and shirtfront through wire drawing, and blows the shirtfront.
The spi bus of MCU connects the spi bus of half-bridge driven, reads the fault message of half-bridge driven and handles.The locked sampled voltage of connector of the sampling PTC of MCU if be high level, allows PTC work, otherwise forbids PTC work.The ECT module of MCU connects DIAG and the POWER pin of ACP, reads power output and the diagnostic message of ACP.
Temperature sensor behind the AD sampling module connection evaporimeter of MCU, the sample temperature value if temperature is lower than design temperature, is then controlled compressor and is not worked, and prevents the compressor frosting.
Claims (2)
1. the control method of the manual air-conditioning of electric automobile comprises that MCU, low-end driver, half-bridge driven, indicator lamp, button, central air door adjusting knob, cold and hot air door adjusting knob and air quantity adjusting knob etc. constitute the manual air-conditioning of electric automobile, wherein,
Temperature sensor is connected behind the A/D sampling module of microprocessor MCU and the evaporimeter, gathers evaporimeter place temperature signal; The SPI module of MCU 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 connected with the input of low-end driver; The enabling of the output of low-end driver and electric air-conditioning compressor is connected with the power adjustment interface of power adjustment interface and electric heater; Enable the power output of electric air-conditioning compressor and adjustment electric air-conditioning compressor, adjust the power output of electric heater simultaneously; The GPIO5 module of MCU is connected with the input of electric heater, detects the electric heater connection status; The ECT module of MCU is connected with the power output interface with the diagnosis of electric air-conditioning compressor, gathers the pwm signal of electric air-conditioning compressor output, reads electric air-conditioning compressor real output value and self-diagnosis information; The GPIO7 module of MCU is connected with the output of entire car controller, gathers the level state of output, and control electric air-conditioning compressor and electric heater enable; The GPIO6 module of MCU is connected with the input of half-bridge driven, and the output of half-bridge driven is connected with the internal-external cycle throttle drive motors, the open amount of control internal-external cycle throttle; Another output and the entire car controller of half-bridge driven link, and the air-conditioning switch of control entire car controller enables; The GPIO1 module of MCU is connected with indicator lamp respectively; The GPIO2 module of MCU is connected with function button respectively.
2. realize the manual air conditioning control device of electric automobile of the said method of claim 1, it is characterized in that:
The AD sampling channel PAD00 of microprocessor MCU connects cold and hot damper positions signal; The MOSI of MCU, MISO, SCK and SS are connected SI, SO, CLK and the CS of low-end driver respectively, read the self-diagnosis information of low-end driver; The PP0 of MCU is connected the IN2 and the IN3 of low-end driver with PP5, the OUT2 of low-end driver is connected the PWM and the STB of electric air-conditioning compressor with OUT3, enables the power output of electric air-conditioning compressor and adjustment electric air-conditioning compressor; The PP1 of MCU connects the IN1 of low-end driver, and the OUT1 of low-end driver connects the PWM of heater, the power output of adjustment electric heater; The DIAG of electric air-conditioning compressor is connected PT0 and the PT1 of MCU with POWER, the pwm signal of sampling electric air-conditioning compressor output reads electric air-conditioning compressor real output value and self-diagnosis information; The PT5 of MCU is connected the ACP enable signal and the PTC enable signal of entire car controller with PT6; The PE0 of MCU is connected the IN2 and the IN1 of half-bridge driven with PE1, the OUT2 of half-bridge driven is connected inside and outside air door drive motors with OUT1, and the PE2 of MCU connects the IN3 of half-bridge driven, and the IN3 of half-bridge driven connects entire car controller; PK0～PK7 of MCU; PS0～the PS4 that connects rear windshield burner on light, interior outer circulation indicator lamp, PTC power indicator lamp 3, PTC power indicator lamp 2, PTC power indicator lamp 1, ACP power indicator lamp 3, ACP power indicator lamp 2 and ACP power indicator lamp 1.MCU respectively connects PTC work button, ACP work button, interior outer circulation button, rear windshield heating button and front windshield defrosting button respectively; Cold and hot air door adjusting knob is connected cold and hot air door and central air door with central air door adjusting knob through wire drawing.
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| Application Number | Priority Date | Filing Date | Title |
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| 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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| 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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Cited By (4)
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| 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 |
| CN103940035A (en) * | 2014-03-31 | 2014-07-23 | 广东美的制冷设备有限公司 | Air conditioner air supply control method and control system |
| CN106114129A (en) * | 2016-06-27 | 2016-11-16 | 北京新能源汽车股份有限公司 | The control method of the air handling system of electric automobile |
| CN106379172A (en) * | 2016-08-29 | 2017-02-08 | 博耐尔汽车电气系统有限公司 | Display circuit used for AC indicator lamp of car air conditioner |
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| 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 |
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| CN106379172A (en) * | 2016-08-29 | 2017-02-08 | 博耐尔汽车电气系统有限公司 | Display circuit used for AC indicator lamp of car air conditioner |
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| CN102705962B (en) | 2017-02-15 |
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