The high and low temperature chambers can provide a high temperature environment or a low temperature environment. Parts and materials of automobile, aerospace, hardware, electrical and electronic related products need to be tested in high and low temperature environment to test the stability of various performance indicators, and high and low temperature test chambers are essential. device of.
The high and low temperature test chamber can provide a high temperature environment or a low temperature environment, and is mainly used to evaluate the performance of the product in high and low temperature environments. Many electronic components require routine tests to withstand high and low temperatures before they are officially put into use or mass-produced to verify the stability of their performance specifications. Therefore, the high and low temperature box plays an extremely important and irreplaceable role in scientific experiments and product testing. The normal operation of the high and low temperature chamber is a basic condition for ensuring the normal operation of the test.
Since the high and low temperature test generally lasts for a long time, the work is accompanied by noise and vibration, and the environment is relatively bad. It may occur due to the burning of the actuator (such as heating device, refrigeration device, etc.), controller, regulator, contactor, and electric contact thermometer. Or cause the high and low temperature test chamber to suddenly have no heating during operation or the heating is not controlled. There may also be abnormal cooling operations caused by poor contact of the cooling actuator, solenoid valve control, compressor, water cooling system, and air cooling system. If the high and low temperature box fails to be discovered in time, it may cause incorrect test results because its temperature is not within the specified range. If the temperature is not within the specified range, the test system or electronic components may be damaged due to overheating or excessive cooling. A fire accident has occurred. Therefore, in the event of a failure of the high and low temperature box, it is desirable to be able to cut off the power supply in time and eliminate the fault in time to protect various devices.
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