Method and device for determining refrigerant quantity of refrigerating system
A technology of a refrigeration system and a determination method, which is applied to refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems of inability to determine the amount of refrigerant and low reliability, and achieve the effect of reducing costs and accurate test results.
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[0066] To this end, the embodiment of the present invention provides a method for jointly detecting refrigerant leakage based on the opening degree of the electronic expansion valve, the exhaust temperature and the winding temperature. The opening degree of the electronic expansion valve is a preset opening degree of the electronic expansion valve.
[0067] The embodiment of the present invention is a method for determining the amount of refrigerant in a refrigeration system. The method is a method for jointly detecting the amount of refrigerant based on the opening degree of the system's electronic expansion valve, the exhaust temperature and the winding temperature.
[0068] Further, in order to accurately determine the quantity of refrigerant, the described method for judging the amount of refrigerant in a refrigeration system further includes:
[0069] Step 1: Prestore a table of correspondence between the opening data of a certain electronic expansion valve and the temperature o...
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