UNIT TO CONTROL HEATING PLANT AND/OR AIR CONDITIONER OF VEHICLE Russian patent published in 2007 - IPC B60H1/00 

FIELD: transport engineering.

SUBSTANCE: invention relates to control of heating plant and/or air conditioner of vehicle. Proposed control unit has front panel with fitted on controls made in form of turnable knobs: temperature control knob 3 connected with temperature setter 13, speed control knob 1 of fan 2 connected with speed setter 15 of fan 2, air flow distributor control knob 4 connected through cam mechanism 20 with wire ties 21 and air distributing flaps 22, and recirculation flap position control knob 5 connected with processor 10 and, through control driver 23, with recirculation flap actuator 24. Control unit has air conditioner switch member 6 connected with processor 10 and. Through control driver 25, with air conditioner relay 7, saloon temperature transmitter 8, smooth speed control unit 17 of heater fan 2 connected with heater fan 2, "HEAT-COLD" actuator connected through control driver 18 with processor 10. Saloon temperature transmitter 8 is installed in control unit and is furnished with blowing off fan 11 and voltage divider 9 connected with processor 10. Speed setter 15 of heater fan 2 is connected with voltage divider 14 connected through processor 10 and amplifier 16 with smooth speed control unit 17 of heater fan connected with heater fan 2, and temperature setter 13 is connected with processor 10 through voltage divider 12.

EFFECT: provision of accelerated setting of required temperature in vehicle saloon, interference protection, reliability and stability of speed control of heater fan.

1 dwg