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Method for perfusing refrigerant into air conditioner

A technology for air conditioners and air conditioner rooms, which is applied in air conditioning systems, refrigerators, heating methods, etc., can solve the problems of reducing compressor life, compressor impact, etc., and achieves the effect of reducing the number of

Active Publication Date: 2010-07-21
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the required standard amount of refrigerant is all poured into the outdoor unit at one time. Due to the large amount of refrigerant injected, most of them exist in liquid form after being poured into the compressor of the outdoor unit. When the machine is running, the so-called "liquid hammer" phenomenon will occur in the compressor, that is, the impact on the compressor
This method of filling the refrigerant at one time and then performing a performance test will cause an impact on the compressor during the test, thereby reducing the life of the compressor

Method used

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  • Method for perfusing refrigerant into air conditioner
  • Method for perfusing refrigerant into air conditioner
  • Method for perfusing refrigerant into air conditioner

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Embodiment Construction

[0026] Embodiments of the present invention will be described below with reference to the accompanying drawings and in combination with specific embodiments.

[0027] First refer to figure 2 , which shows the specific implementation steps of the air conditioner refrigerant filling method according to the present invention, in figure 1 In the method shown, a standard amount of refrigerant is poured into the outdoor unit of the air conditioner in two filling steps. The refrigerant filling method includes:

[0028] a) Vacuumize the outdoor unit for subsequent refrigerant filling;

[0029] b) In the first refrigerant filling step (pre-filling step), pouring a predetermined amount of refrigerant (the method for determining the predetermined amount will be described later) into the outdoor unit;

[0030] c) Connect the outdoor unit filled with a predetermined amount of refrigerant to the test circuit for performance testing;

[0031] d) Using the indoor unit of the air condition...

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Abstract

The invention provides a method for perfusing a refrigerant into an air conditioner. A standard amount of refrigerant is perfused into an outdoor machine of the air conditioner in sequence in more than two perfusion steps, and the outdoor machine is tested after a predetermined amount of refrigerant is perfused into the outdoor machine. The perfusion comprises a pre-perfusion step and a subsequent perfusion step. After the refrigerant perfused in the pre-perfusion step is balanced in the outdoor machine, the refrigerant perfused in the outdoor machine does not enter a compression chamber of a compressor; and further, after the pre-perfusion, the refrigerant in the outdoor machine exists in the form of gas or comprises only a part of liquid, wherein the amount of the liquid refrigerant is less than that of the gas refrigerant.

Description

technical field [0001] The invention relates to the field of air conditioners, in particular to a method for pouring refrigerant into an air conditioner. Background technique [0002] In the process of producing air conditioners, especially after injecting refrigerant into the outdoor units of the air conditioner (especially digital machines and frequency conversion units), it is necessary to test the working performance of the outdoor units filled with refrigerant (indoor units with corresponding cooling capacity) machine for testing). In the production process of existing commercial large-scale air conditioners (which require a large amount of refrigerant, which is larger than that of ordinary household air conditioners), the refrigerant injection of the outdoor unit is completed at one time, that is, the standard refrigerant injection for a certain model The amount of refrigerant is poured into the corresponding outdoor unit at one time, and then the performance of the o...

Claims

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Application Information

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IPC IPC(8): F25B45/00F24F1/00
Inventor 张传勇许翔陈其强麻军
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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