Explain the four concepts of high and low temperature aging boxes
High and low temperature aging box is a necessary test instrument for aerospace, automotive, home appliance, scientific research and other industries. It is a precision test equipment used to test and determine the parameters of the product after high temperature, low temperature or constant test temperature change. And the performance, then Xiaobian for everyone to explain the four concepts of high and low temperature aging box.
The four concepts of high and low temperature aging boxes are dehumidification principle, humidification principle, refrigeration principle and heating principle.
First, the principle of dehumidification
When the temperature in the conditioned air is greater than the required temperature value, the compressor is started to cool, and the air is cooled to a temperature below the dew point through the evaporator, and the moisture in the air is resolved to achieve the effect of cooling.
Second, the principle of humidification
When the relative humidity of the conditioned air is lower than the required value, the computer controller will instruct the electrode humidifier to work, heat the water to cause boiling into steam, and then send it to the air-conditioned room through the fan, thereby achieving the purpose of humidification.
Third, the principle of refrigeration
First, the high-pressure liquid refrigerant flows out through the filter, and then passes through the capillary throttling to enter the evaporator. As the pressure is lowered, the refrigerant continuously absorbs the heat transferred from the air to the evaporator in the evaporator and evaporates into steam. Then, The compressor sucks in steam, and the compressed high-temperature and high-pressure gas enters the condenser, and the heat is taken away by the condenser, causing the refrigerant to become a high-pressure low-temperature liquid, and then passing through the filter to the capillary tube, so that the cycle is repeated. The heat is removed from the outside, which reduces the room temperature.
Fourth, the heating principle
Since the temperature of the conditioned air is below the required temperature, the computer controller turns on the electric heater, heats the air, and finally sends it to the room to be heated for the purpose of heating.
The above is the four major concepts that Xiaobian brought to you today about high and low temperature aging boxes.
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