CN-121993849-A - Air conditioner outdoor unit, refrigerant filling method and device and storage medium

CN121993849ACN 121993849 ACN121993849 ACN 121993849ACN-121993849-A

Abstract

The invention discloses an air conditioner outdoor unit, a refrigerant filling method, a refrigerant filling device and a storage medium. The air conditioner outdoor unit comprises a compressor, a one-way valve, a heat exchanger and a first stop valve, wherein an output port of the compressor is connected with the heat exchanger through the one-way valve, an input port of the compressor is connected with the first stop valve, a pipeline between the one-way valve and the heat exchanger is a first pipeline, a pipeline between the compressor and the first stop valve is a second pipeline, and refrigerants are arranged in the first pipeline, the second pipeline and the compressor. Under the condition of the same refrigerant injection quantity, the refrigerant can be stored in the first pipeline, the second pipeline and the compressor separately by the air conditioner outdoor unit, so that the pressure generated when the refrigerant in the air conditioner outdoor unit is subjected to high temperature is lower than the pressure bearing capacity of the refrigerant pipeline in the process of transporting the air conditioner outdoor unit, the occurrence of pipe explosion can be reduced to a certain extent, and the damage of the air conditioner outdoor unit is avoided.

Inventors

JIN WENRUI
PAN ZHONGYU
WU KONGXIANG
XU ZHITAO
ZHONG GUOZHU

Assignees

广东美的暖通设备有限公司
美的集团股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241105

Claims (11)

1. The utility model provides an air condensing units, its characterized in that includes compressor, check valve, heat exchanger and first stop valve, the delivery outlet of compressor pass through the check valve with the heat exchanger is connected, the input port of compressor with first stop valve is connected, the check valve with pipeline between the heat exchanger is first pipeline, the compressor with pipeline between the first stop valve is the second pipeline, first pipeline the second pipeline with be equipped with the refrigerant in the compressor.
2. The outdoor unit of claim 1, wherein a refrigerant level in the compressor is lower than an intake port of the compressor.
3. The utility model provides a refrigerant filling method for air condensing units, its characterized in that, air condensing units includes compressor, check valve, heat exchanger and first stop valve, the delivery outlet of compressor pass through the check valve with the heat exchanger is connected, the input of compressor with first stop valve is connected, refrigerant filling method includes: Acquiring a first refrigerant density and a first volume of a first pipeline, wherein the first pipeline is a pipeline between the one-way valve and the heat exchanger; determining a first refrigerant injection amount of the first pipeline according to the first volume and the first refrigerant density; acquiring a second refrigerant density, the content of the compressor and a second volume of a second pipeline, wherein the second pipeline is a pipeline between the compressor and the first stop valve; And determining second refrigerant injection amounts of the compressor and the second pipeline according to the second volume, the content of the compressor and the second refrigerant density.
4. The refrigerant charge method according to claim 3, wherein the obtaining the first refrigerant density includes: acquiring the highest ambient temperature of the refrigerant in the first pipeline and the withstand pressure of the part with the weakest withstand voltage in the first pipeline; And determining the first refrigerant density according to a first preset mapping relation of temperature, pressure and density, the highest ambient temperature and the tolerance pressure.
5. The refrigerant charging method as set forth in claim 4, wherein said first preset map includes a state equation of a change in a density of the refrigerant with an ambient temperature and a withstand pressure, or a table of a change in a density of the refrigerant with an ambient temperature and a withstand pressure.
6. The refrigerant charge method according to claim 3, wherein the obtaining the second refrigerant density includes: Acquiring the highest ambient temperature of the refrigerant in the second pipeline and the withstand pressure of the part with the weakest withstand voltage in the second pipeline; And determining the second refrigerant density according to a second preset mapping relation of temperature, pressure and density, the highest ambient temperature and the tolerance pressure.
7. The refrigerant charging method as set forth in claim 6, wherein said second preset map includes a state equation of the density of the refrigerant as a function of the ambient temperature and the withstand pressure, or a table of the density of the refrigerant as a function of the ambient temperature and the withstand pressure.
8. The refrigerant filling method is used for an air conditioner outdoor unit and is characterized in that the air conditioner outdoor unit comprises a compressor, a one-way valve, a heat exchanger and a first stop valve, an output port of the compressor is connected with the heat exchanger through the one-way valve, an input port of the compressor is connected with the first stop valve, a pipeline between the one-way valve and the heat exchanger is a first pipeline, and a pipeline between the compressor and the first stop valve is a second pipeline, and the refrigerant filling method comprises the following steps: Acquiring a preset refrigerating capacity section of the air conditioner outdoor unit; According to a third preset mapping relation between the refrigerating capacity section and the refrigerant injection quantity and the preset refrigerating capacity section, determining a first refrigerant injection quantity of the first pipeline and determining a second refrigerant injection quantity of the compressor and the second pipeline.
9. A computing device, comprising: A processor, and; a memory having stored therein a computer program which, when executed by the processor, performs the steps of the refrigerant charging method according to any one of claims 3-8.
10. An electronic device comprising the computing device of claim 9.
11. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when being executed by a processor, implements the steps of the refrigerant charging method as claimed in any one of claims 3-8.

Description

Air conditioner outdoor unit, refrigerant filling method and device and storage medium Technical Field The present invention relates to the technical field of air conditioners, and more particularly, to an air conditioner outdoor unit, a refrigerant filling method, a computing device, an electronic device and a computer readable storage medium. Background In the related art, a refrigerant pipeline between the one-way valve and the first stop valve is in a closed state, so that a blind pipe section can be formed, and refrigerant injection in the air conditioner is performed in the blind pipe section of the air conditioner outdoor unit. However, in the process of transporting the air conditioner outdoor unit, the air pressure generated by the excessive refrigerant exceeds the pressure bearing capacity of the blind pipe section to cause pipe explosion due to the fact that the quantity of the refrigerant injected into the blind pipe section is excessive and the air conditioner outdoor unit is subjected to high temperature in the transportation process, so that the air conditioner outdoor unit is damaged. Disclosure of Invention The air conditioner outdoor unit, the refrigerant filling method, the computing device, the electronic device and the computer readable storage medium can solve the problem that in the process of transporting the air conditioner outdoor unit, the tube explosion is easy to occur under the condition that the quantity of refrigerant injected in the blind pipe section is excessive and the air conditioner outdoor unit is subjected to high temperature in the transportation process. The air conditioner outdoor unit provided by the embodiment of the invention comprises a compressor, a one-way valve, a heat exchanger and a first stop valve, wherein an output port of the compressor is connected with the heat exchanger through the one-way valve, an input port of the compressor is connected with the first stop valve, a pipeline between the one-way valve and the heat exchanger is a first pipeline, a pipeline between the compressor and the first stop valve is a second pipeline, and refrigerants are arranged in the first pipeline, the second pipeline and the compressor. Therefore, under the condition of equal refrigerant injection quantity, the refrigerant can be stored in the first pipeline, the second pipeline and the compressor separately by the air conditioner outdoor unit, so that the pressure generated when the refrigerant in the air conditioner outdoor unit is subjected to high temperature is lower than the pressure bearing capacity of the refrigerant pipeline in the process of transporting the air conditioner outdoor unit, the occurrence of pipe explosion can be reduced to a certain extent, and the damage of the air conditioner outdoor unit is avoided. In some embodiments, the refrigerant level within the compressor is lower than the air intake of the compressor. Therefore, the liquid level of the refrigerant in the compressor is set to be lower than the air inlet of the compressor, so that liquid refrigerant can be prevented from entering the air inlet to cause liquid impact of the compressor. The refrigerant filling method is used for an air conditioner outdoor unit, the air conditioner outdoor unit comprises a compressor, a one-way valve, a heat exchanger and a first stop valve, an output port of the compressor is connected with the heat exchanger through the one-way valve, an input port of the compressor is connected with the first stop valve, the refrigerant filling method comprises the steps of obtaining first refrigerant density and first volume of a first pipeline, the first pipeline is a pipeline between the one-way valve and the heat exchanger, determining first refrigerant injection quantity of the first pipeline according to the first volume and the first refrigerant density, obtaining second refrigerant density and second volume of a second pipeline, the second pipeline is a pipeline between the compressor and the first stop valve, and determining second refrigerant injection quantity of the compressor and the second pipeline according to the second volume, the content of the compressor and the second refrigerant density. Therefore, the refrigerant quantity to be injected into the air conditioner outdoor unit is respectively injected from the first pipeline, the compressor and the second pipeline, and the quantity of the refrigerant injection of the first pipeline can be reduced, so that the pipe explosion condition of the air conditioner outdoor unit caused by the influence of high temperature in the transportation process is reduced to a certain extent, and the damage of the air conditioner outdoor unit is avoided. In some embodiments, the obtaining the first refrigerant density includes obtaining a highest ambient temperature of the refrigerant in the first pipe and a withstand pressure at a pressure-resistant weakest part in the first pipe, and determining the first refrigerant