Non-return device for refrigerator compressor performance test equipment

Abstract

The invention discloses a non-return device for refrigerator compressor performance testing equipment. The non-return device includes a non-return mechanism, a support mechanism connected with the non-return mechanism and supporting the non-return mechanism to limit the rebound of the refrigerator compressor; the non-return mechanism includes The U-shaped seat, the pin shaft passing through the U-shaped seat near the top, and the non-return block rotatably fixed on the U-shaped seat through the pin shaft, the initial height of the non-return block during the rotation process is higher than the U The top of the seat is flat; a torsion spring is embedded between the non-return block and the U-shaped seat; a cushion block is installed near the bottom of the U-shaped seat. The support mechanism includes a mounting frame that is conveniently fixed on the mounting platform and an adjusting frame that is fixedly connected with the mounting frame and can move up and down on the mounting frame; the U-shaped seat is movably fixed on the adjusting frame. The device has the advantages of simple structure, fast adjustment speed, high versatility and low manufacturing cost, and can better realize the accurate positioning requirement of the refrigerator compressor before the power-on performance test.

Description

technical field [0001] The invention belongs to the technical field of performance testing of refrigerator compressors, and in particular relates to a non-return device for performance testing equipment of refrigerator compressors. Background technique [0002] The compressor is the heart of the refrigeration system. It inhales low-temperature and low-pressure refrigerant gas from the suction pipe, drives the piston to compress it through the operation of the motor, and discharges high-temperature and high-pressure refrigerant gas to the exhaust pipe to provide power for the refrigeration cycle. In this way, a refrigeration cycle of compression→condensation→expansion→evaporation (heat absorption) is realized. A compressor generally consists of a housing, motor, cylinder, piston, control equipment (starter and thermal protector) and a cooling system. There are two cooling methods: oil cooling and natural cooling. General household refrigerator compressors use single-phase a...

AI Technical Summary

Problems solved by technology

During the performance test of the refrigerator compressor when it is energized, it is necessary to accurately locate the refrigerator compressor in order to carry out the follow-up procedure of the refrigerator compressor energization performance test; Inaccurate positioning; in order to eliminate its rebound distance, therefore, a general-purpose non-return device is the focus and hotspot in the field of refrigerator compressor performance testing

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