Car air conditioning temperature control

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Car air conditioning temperature control 2022-07-07

1. The outside temperature sensor of the car is generally made of a thermistor, and its resistance changes when the temperature outside the car changes. When the temperature is low, the resistance is large, and when the temperature is high, the resistance is small.

2. The In-vehicle Sensor in the Car also uses thermistor material and has the characteristics of negative temperature coefficient. It is usually installed under the dashboard and connected to the air conditioning ventilation pipe with an air pipe. When the airflow passes quickly, the vacuum generated will lead the air through the temperature sensor in the car.

3. The Sunload Sensor of the Car air conditioner is made of photodiodes or batteries to sense the intensity of sunlight hitting the vehicle, but not the temperature. Usually installed above the dashboard.

4. The Evaporator Temperature Sensor of the Car air conditioner is generally installed on the evaporator fins to accurately sense the temperature of the evaporator. It is also made of thermistors and has a negative temperature coefficient characteristic.

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