Constant temperature and humidity test chamber composition and working principle

The constant temperature and humidity test chamber http:// is mainly composed of four parts: the main unit, the air supply end, the electric control box and the cooling tower; the main part of the constant temperature and humidity test chamber includes the cooling water tank, the circulating water tank, the refrigeration unit, and the electric power. Heater and water pump, the air supply end includes fan coil and ultrasonic humidifier. For the sake of simplicity, circuit wiring, overflow pipe, water supply pipe and water supply float valve are not shown.
Constant temperature and humidity test chamber working principle: The standard curing indoor temperature sensor detects the room temperature, and the measured value is compared with the set value. After being processed by the single chip microcomputer, it is controlled by the relay to perform cooling or heating. If the temperature in the curing room is higher than 22 e, the refrigeration system and the cooling tower work to reduce the water temperature in the circulating water tank. The cold water is sent to the fan coil by the circulating water pump, and the heat is exchanged between the fan coil and the curing indoor air to take away the heat in the curing room. When the room temperature drops to 19 e, the system stops. If the room temperature rises to 21 e after shutdown, the refrigeration system, cooling tower and fan coil system restart. If the temperature in the curing room is lower than 18 e, the electric heater works, so that the circulating water tank is inside. The water temperature rises, the hot water is sent to the fan coil by the circulating water pump, and the air is radiated to the air in the curing room through the fan coil. When the room temperature rises to 21 e, the system stops. If the room temperature drops to 19 e after the shutdown, electric heating and heat The water cycle is restarted. Constant temperature and humidity test chamber http://Use ultrasonic humidifier to humidify the curing room intermittently to ensure the relative humidity of the curing room is 95%. The water used for humidification comes from the circulating water tank.

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