Self-closing and anti-liquid impact device for air-cooled heat pump air conditioner

Abstract

The invention relates to an anti-liquid impact device for a compressor, in particular to a self-closing and anti-liquid impact device for an air-cooled heat pump air conditioner. The self-closing and anti-liquid impact device comprises a gas-liquid separator, a cross rod, a rope, a floating ball, a vertical rod, a valve core, a hinge, an output pipe, an input pipe, a compressor exhaust pipe and a compressor, wherein the compressor is in closed-loop connection with a condenser, a throttling valve, an evaporator and the gas-liquid separator sequentially; the hinge is fixedly arranged at the bottom of the inner side wall of the gas-liquid separator; and one end of the cross rod is connected to the hinge, and the other end of the cross rod is connected with the floating ball by the rope. The anti-liquid impact device has the advantages that when liquid in the gas-liquid separator is too much, the input pipe is closed to prevent a liquid refrigerant from being absorbed into the compressor so as not to cause liquid impact; the size of the gas-liquid separator is reduced, manufacturing materials are saved, and the space is saved; and the anti-liquid impact device is easy to install and easy to produce and operate.

Description

technical field [0001] The invention relates to an anti-liquid shock device for a compressor, in particular to a self-closing anti-liquid shock device for an air-cooled heat pump air conditioner. Background technique [0002] The existing air-cooled heat pump air-conditioning system, in the winter heating work, due to the low outdoor ambient temperature, the heating capacity attenuates greatly, often cannot meet the requirements of the air-conditioning heat load, the temperature of the air-conditioned room decreases, and the comfort level decreases. At this time, the air-cooled heat pump air-conditioning system will increase the pressure of the condenser of the refrigeration system and reduce the pressure of the evaporator, so that the entire refrigeration system needs more refrigerant when heating than when cooling. When the working conditions change, there will be no evaporation. The liquid refrigerant returns to the compressor and is compressed, due to the incompressible ...

AI Technical Summary

Problems solved by technology

[0002] The existing air-cooled heat pump air-conditioning system, in the winter heating work, due to the low outdoor ambient temperature, the heating capacity attenuates greatly, often cannot meet the requirements of the air-conditioning heat load, the temperature of the air-conditioned room decreases, and the comfort level decreases

At this time, the air-cooled heat pump air-conditioning system will increase the pressure of the condenser of the refrigeration system and reduce the pressure of the evaporator, so that the entire refrigeration system needs more refrigerant when heating than when cooling. When the working conditions change, there will be no evaporation. The liquid refrigerant returns to the compressor and is compressed, due to the incompressible characteristics of the liquid, it will cause the "liquid hammer" failure of the compressor

In order to prevent "liquid shock", the current air-cooled heat pump air-conditioning system installs a larger gas-liquid separator at the suction port of the compressor, which not only increases the cost, but also takes up space.

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