Oil return monitoring system of compressor and method thereof
A technology for monitoring systems and compressors, applied in refrigerators, refrigeration safety arrangements, refrigeration components, etc., can solve the problems of reducing the outlet pressure of the compressor, large changes in the opening degree, affecting the performance of the air conditioning system, etc. Normal, avoid waste, ensure adequate lubrication effect
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[0043] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification.
[0044] Please refer to FIG. 1 , which is a schematic diagram showing the oil return monitoring system of the compressor of the centrifugal chiller main engine of the present invention. As shown in the figure, the oil return monitoring system includes a jet pump 32, a pressure sensing device 35, an oil level sensing device 33, a temperature sensing device 34 and a high-pressure gas oil return valve 31. The present invention utilizes the jet pump 32 Feed back the outlet pressure of the compressor as the power source, install the pressure sensing device 35 directly at the outlet of the compressor, and install the oil level sensing device 33 and the temperature sensing device 34 corresponding to the oil tank, so as to measure the oil tank...
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