CONTROL SYSTEM [FULL-AUTO AIR CONDITIONER]
07-40–4
POWER TRANSISTOR CONSTRUCTION [FULL-AUTO AIR CONDITIONER]
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1. The A/C amplifier calculates the rotation speed of the blower motor based on input from each switch, sensor
and the set temperature.
2. The calculated rotation speed is changed to a drive signal (pulse) and is output to the power transistor.
3. The power transistor that receives the signal determines the drive voltage required to operate the motor based
on the rotation speed output from the A/C amplifier and outputs it to the power MOS FET.
4. The blower motor rotates at the same time the power MOS FET operates.
End Of Sie
NG: SOLAR RADIATION SENSOR
SOLAR RADIATION SENSOR CONSTRUCTION [FULL-AUTO AIR CONDITIONER]
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x
A photo diode (light-receiving diode) has been
adopted.
End Of Sie
NG: CABIN TEMPERATURE SENSOR
B
1A
1B
A
M
D
C
(1)
(2)
(3)
(4)
IG2
B+
A/C AMPLIFIER
SENSOR SWITCH
BLOWER RELAY
BLOWER MOTOR
BLOWER MOTOR
OPERATION
POWER MOS FET
POWER TRANSISTOR
DRIVE
POWER
INPUT
SIGNAL
PROCESSING
PULSE
OUTPUT
VOLTAGE
OUTPUT
ar8uun00000239
ar8uun00000331
Содержание 2009 RX-8
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