Refrigerant circulation system and air conditioner in cooling mode
A refrigerant circulation system and refrigeration mode technology, which is applied in the direction of refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problems affecting the refrigeration effect and service life, automatically adjust and correct the refrigerant charge, etc.
Active Publication Date: 2021-09-17
NINGBO AUX ELECTRIC
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Problems solved by technology
[0003] The problem solved by the invention is that the existing refrigerant circulation system needs to supplement the refrigerant from the outside when installing and debugging the super-long connecting pipe, but it cannot automatically adjust and correct the refrigerant charging amount during the operation of the refrigeration mode, which affects the adjustable refrigeration effect and service life
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[0037] Air-conditioning units are sometimes used in the application scenario of installing super-long connecting pipes. At this time, the ex-factory liquid volume of the air-conditioning unit cannot meet the liquid volume after the super-long connecting pipes are installed, and the liquid volume needs to be replenished from the external refrigerant tank during after-sales installation. In addition, during the normal operation of the unit, the existing refrigerant circulation system lacks a good automatic adjustment mechanism for the amount of refrigerant, so that there is a deviation between the amount of refrigerant in the air-conditioning unit and the optimal amount of refrigerant, resulting in the air-conditioning unit not being able to operate in the best state. The operation affects the cooling or heating effect of the air conditioner.
[0038] In view of the above problems, the present invention proposes a method and device for adjusting the amount of refrigerant during t...
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The present invention provides a refrigerant circulation system and an air conditioner in refrigeration mode. The refrigerant circulation system in refrigeration mode includes a main pipeline for connecting a compressor, a condenser, a throttling component and an evaporator; the adjustment pipeline is connected with the The main pipeline is connected; the heat-exchangeable gas-liquid separator is connected with the regulating pipeline; wherein, the heat-exchangeable gas-liquid separator stores a refrigerant, and the heat-exchangeable gas-liquid separator is suitable for passing through the The regulating pipeline recovers the liquid refrigerant in the main pipeline or supplements the gaseous refrigerant to the main pipeline. The present invention can store the refrigerant in the heat-exchangeable gas-liquid separator in advance, and there is no need for after-sales professionals to replenish the amount of refrigerant required by the super-long connecting pipe from the outside before the commissioning and starting of the air conditioning unit, thereby improving the installation and commissioning efficiency; in addition, due to the heat-exchangeable gas The liquid separator has the functions of liquid storage and air replenishment, so that the unit can automatically adjust the amount of refrigerant during the operation of the normal cooling and extremely harsh environment, improve the cooling effect and improve the reliability of the system.
Description
technical field [0001] The invention relates to the technical field of air conditioning, in particular to a refrigerant circulation system and an air conditioner in cooling mode. Background technique [0002] The factory liquid volume of air-conditioning units is generally filled with refrigerant according to the requirements of the national standard pipe length. The national standard pipe length is generally 5m or 7.5m. When the after-sales installer installs the super-long connecting pipe on the spot, he needs to add liquid from the external refrigerant tank; in addition, during the normal cooling operation of the unit, the existing refrigerant circulation system cannot automatically adjust the refrigerant charging amount , poor adjustability. Contents of the invention [0003] The problem solved by the invention is that the existing refrigerant circulation system needs to supplement the refrigerant from the outside when installing and debugging the super-long connectin...
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IPC IPC(8): F25B41/20F25B45/00F25B49/02
CPCF25B45/00F25B49/02F25B41/40F25B41/20
Inventor 易忠衍王义祥王成
Owner NINGBO AUX ELECTRIC