Which One is the Car Defroster Switch?
1 Answers
The car defroster switch is located in the middle of the center console, usually next to the AC button. Here are some details about the car defroster: 1. Appearance: The car defroster switch is marked with a front windshield and three upward-curving lines. A semicircular icon represents the front windshield, while a square icon represents the rear window. 2. Purpose: The car defroster switch controls the defroster, which is used to reduce moisture, fog, and frost on the front and rear windshields and the exterior rearview mirrors, improving visibility. 3. Physical Principle: The principle of cold-air defrosting involves the liquid refrigerant absorbing heat from the cooled object in the evaporator, vaporizing into low-temperature, low-pressure steam, which is then sucked into the compressor and compressed into high-temperature, high-pressure steam before being discharged into the condenser. The principle of hot-air defrosting involves fog-laden gas flowing through the defroster at a certain speed. Due to the gas's inertia, the droplets formed by the collision of fog and the wave plates become large enough that the gravity of the droplets exceeds the combined force of the gas lift and the surface tension of the liquid, causing the droplets to separate from the wave plate surface.
