Method and energy storage and release device for restarting compressor by using energy stored during shutdown of compressor

Abstract

The invention relates to a method and energy storage and release device for restarting a compressor by using energy stored during shutdown of the compressor, and aims to realize the protection of a compressor motor while saving the energy and protecting the environment. The method converts kinetic energy in the stop of a compressor to elastic potential energy, and releases the elastic potential energy and converts the elastic potential energy to the kinetic energy of the compressor during the startup process of the compressor.. In the energy storage and release device for restarting the compressor by using energy stored during shutdown of the compressor, one end of a rotor of the compressor motor is connected with a compressor cylinder for driving the compressor to perform the gas compression motion, and the other end of the rotor of the motor is connected with a volute spiral spring energy storage device for converting the kinetic energy in the stop of the compressor to the elastic potential energy to store in a volute spiral spring; and the volute spiral spring energy storage device releases the elastic potential energy in the volute spiral spring and converts the elastic potential energy to the kinetic energy of the compressor during the startup process of the compressor.

Description

technical field [0001] The invention relates to energy-saving applications of compressors, in particular to a method for restarting by using stored energy when the compressor is stopped and an energy storage and release device for restarting by using the stored energy when the compressor is stopped. Background technique [0002] Due to the needs of actual production and life, people have different demands for cooling capacity in different time periods. Refrigerating capacity adjustment technologies such as frequency conversion compressors solve the problem of people's demand for different cooling capacities in different time periods to a certain extent. But when the cooling capacity is completely unnecessary for a long period of time, people still have to turn off the compressor to achieve the purpose of reducing energy consumption, and when the cooling effect is needed again, people have to turn on the compressor to reduce energy consumption. Start the entire refrigeration...

AI Technical Summary

Problems solved by technology

The starting of the compressor needs to be driven by the motor. During the starting process of the motor, the starting current is large, and the starting torque is limited. If the starting current is too large, the heat generated by the rotor winding will increase, which may affect the insulation of the motor, etc. question

Decompression starting can solve the problem of excessive starting current to a certain extent, but it will lead to the problem of starting torque reduction

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