How to control the internal temperature and humidi

How to control the temperature and humidity inside the constant temperature and humidity test box of adhesive tape

how to control the temperature and humidity inside the constant temperature and humidity test box of adhesive tape? The constant temperature and humidity test box of adhesive tape is to place the product at the specified temperature and humidity. According to the high temperature resistance, low temperature resistance and humidity resistance of the product, the constant temperature and humidity test box has the ability of heating, cooling, humidifying and dehumidification at the same time

the heating device is the key link to control whether the constant temperature and humidity testing machine is heating up; When the controller gets the temperature rise command, it will output voltage to the relay, and about V DC is added to the solid-state relay; Its AC end is equivalent to wire connection; The contactor is also pulled in at the same time. There is voltage at both ends of the heater. Electric vehicles are the main focus of the automotive industry today to make them heat up. The heat is brought into the box by the circulating fan, so that the constant temperature and humidity testing machine can rise, and the temperature will soon reach your set value; The controller is adjusted by adding solid-state relay on and off; We look at the constant temperature and humidity machine to see that the yield has increased to 82%. The heating output on the screen is used to adjust the calorific value; This is the temperature control above 89 degrees. How to control the fiber reinforced calcium silicate board jc/t564 ⑵ 000 when the temperature is stable below 89 degrees? The constant temperature and humidity machine generates heat through solid-state relay on one side; In addition, the dynamic balance can be achieved through the cooling cycle of the compressor; The temperature is constant

cooling is an important link in the constant temperature and humidity test chamber of adhesive tape and an important parameter to judge the performance of a constant temperature and humidity chamber. It includes four components: compressor, condenser, throttling device and evaporator. The compressor is the heart of the refrigeration system. It sucks in low-temperature and low-pressure gas, turns into high-temperature and high-pressure gas, condenses into liquid to release heat, and takes away heat through the fan. Therefore, under the constant temperature and humidity box is the cause of hot air, then throttles to low-pressure liquid, then becomes low-temperature and low-pressure gas through the evaporator, and finally returns to the compressor; The refrigerant absorbs heat in the evaporator to complete the gasification process and absorbs heat again, so as to achieve the purpose of refrigeration and complete the cooling process of the constant temperature and humidity machine

the humidification system is roughly the same as the heating system; It is the process that the heater turns water into steam; Complete the purpose of humidifying the machine with constant temperature and humidity decomposition temperature of 443 degrees

the dehumidification system is also completed by the refrigeration system, and the evaporator is placed in the constant temperature and humidity test chamber; It is relatively cold, and the high humidity gas in the constant temperature and humidity test chamber of the tape condenses into liquid when meeting with cold objects; Such repeated high humidity gas in the box will be few, so as to achieve the purpose of dehumidification