Air conditioning system and control method of air conditioning system

By using port multiplexing technology and low-level signal triggering, the general control port of the air conditioner can still effectively alarm when the main control board fails, solving the problems of increased hardware costs and alarm failure in the existing technology, and realizing economical and efficient fault alarm.

CN122408170APending Publication Date: 2026-07-17HISENSE (GUANGDONG) AIR CONDITIONER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
HISENSE (GUANGDONG) AIR CONDITIONER
Filing Date
2026-04-28
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing air conditioner fault alarm mechanisms rely on dedicated alarm control ports, which increases hardware costs and cannot effectively trigger alarms when the main control board fails.

Method used

By employing port multiplexing technology, the general control port of the air conditioner is converted into an alarm mode through configuration commands, and the alarm is triggered by a low-level signal, ensuring that the alarm can still be effectively triggered when the main control board fails.

Benefits of technology

Fault alarms can be implemented without adding dedicated alarm hardware interfaces, reducing costs and ensuring the effectiveness of the alarm mechanism when the main control board fails.

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Abstract

本发明提出一种空调系统，包括：空调器、配置控制器、报警装置；其中，空调器包括：室内机，室内机包括室内控制器，室内控制器被配置为：当端口功能配置指令指示将通用控制端口的输出功能从正常模式转换为报警模式时，控制通用控制端口在接收到表征空调器发生故障的指令时，输出低电平信号，以控制报警装置进行故障报警，或者，控制通用控制端口在未接收到表征空调器发生故障的指令时，输出高电平信号，以控制报警装置不进行故障报警，从而实现端口复用，降低成本，同时，可以在空调器主控板故障失效，通用控制端口自然呈现低电平状态时自动触发报警，确保物理层报警机制在主控板失效时依然有效，提高预警的可靠性。
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