Air conditioner and control method thereof

By designing first and second discharge devices and compressor suction in the air conditioner, the refrigerant can be quickly discharged, thus solving the safety risks caused by refrigerant leakage and improving the safety and reliability of the air conditioner.

CN122408145APending Publication Date: 2026-07-17XIAOMI TECH (WUHAN) CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
XIAOMI TECH (WUHAN) CO LTD
Filing Date
2025-01-16
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Refrigerant leakage during prolonged use of air conditioners can cause flammable refrigerant to accumulate around electrical components, posing a risk of safety accidents. Existing technologies are insufficient to effectively and quickly remove residual refrigerant from indoor environments.

Method used

The air conditioner is designed to include a first discharge device and a second discharge device, which are respectively connected to the liquid piping system to the outdoor and indoor environments. After detecting a refrigerant leak, the first discharge device is activated to discharge the refrigerant in the liquid piping system to the outdoor environment, and the compressor is used to draw the refrigerant in the indoor environment back into the liquid piping system, and finally discharge it to the outdoor environment. Combined with heating elements and a sealed structure, a rapid leak response is achieved.

Benefits of technology

It effectively reduces the risks associated with flammable refrigerant leaks, improves the safety and reliability of air conditioners, quickly discharges refrigerant, and reduces the probability of accidents.

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Abstract

The present disclosure relates to an air conditioner and a control method thereof. The control method of the air conditioner comprises: identifying that the indoor unit has refrigerant leakage; controlling a first discharge device to open, discharging the refrigerant in the liquid pipeline system to the outdoor; controlling a second discharge device to open and controlling a compressor to open, sucking the refrigerant in the indoor unit environment into the liquid pipeline system. Through the above technical solution, the refrigerant remaining in the liquid pipeline system and the refrigerant mixed in the air in the indoor unit environment can be sucked into the liquid pipeline system and then discharged to the outdoor, reducing the risk brought by flammable refrigerant leakage and improving the safety and reliability of the air conditioner.
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