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A kind of dry burning detection method of air conditioner, air conditioner

A detection method and technology of air conditioner

Active Publication Date: 2022-07-26
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention discloses a dry-burning detection method of an air conditioner and an air conditioner to at least solve the problem of inaccurate dry-burning detection of an air conditioner

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  • A kind of dry burning detection method of air conditioner, air conditioner

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Embodiment 1

[0045] like figure 1 As shown, this embodiment provides a detection method that can prevent the electric heater in the air conditioner from drying out in the standby state. Specifically, a dry-burning detection method for an air conditioner is provided. The method includes: collecting and recording the indoor ambient temperature and the temperature of the copper pipe of the air conditioner; and obtaining the temperature slope change in combination with the recorded indoor ambient temperature and the pipe temperature. According to the change value of the temperature slope, the change trend of the pipeline temperature is determined; when the temperature change trend of the pipeline is rising, the sliding window method is used to process the pipeline temperature and determine whether the air conditioner has dry burning.

[0046] By improving the existing air conditioner dry burning detection method, the present invention utilizes the temperature sensing bulb component of the exis...

Embodiment 2

[0061] An air conditioner is provided in this embodiment, and the air conditioner adopts any one of the dry burning detection methods in Embodiment 1 to perform dry burning detection.

[0062] Combine below figure 1 , a specific detection process of the air conditioner in this embodiment is further described.

[0063] first step:

[0064] First judge whether the whole machine is in the standby state, if not in the standby state, jump directly to the end. In standby mode, the main board of the air conditioner will collect and record the ambient temperature and the temperature of the temperature sensor (the temperature sampling period is 2ms as an example);

[0065] Divide the collected 200 ambient temperature Te into Te according to time before and after a , Te b Two groups, each group contains 100 data and summed to get The summed values ​​are then differenced and squared. At the same time, in order to avoid the value of 0, the squared data needs to be added with 0.3. ...

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Abstract

The invention discloses a dry burning detection method for an air conditioner and an air conditioner. The method includes: collecting and recording the indoor ambient temperature and the temperature of the copper pipe of the inner unit of the air conditioner; obtaining a temperature slope change value in combination with the recorded indoor environment temperature and the pipe temperature; determining according to the temperature slope change value Pipeline temperature change trend; when the pipeline temperature change trend is rising, the sliding window method is used to process the pipeline temperature and determine whether the air conditioner has dry burning.

Description

technical field [0001] The invention relates to the technical field of air conditioner fault detection, in particular to a dry burning detection method of an air conditioner and an air conditioner. Background technique [0002] At present, the electric heaters in the household air conditioners on the market have no fault feedback. Once the auxiliary thermal relay fails and cannot be disconnected normally, there is a major safety hazard. In the air-conditioning industry, the application of temperature sensing devices is mainly to collect temperature values ​​to judge the operating status of the equipment. [0003] If the temperature sensor is used as the temperature value as the dry burning protection condition, it will be affected by the temperature drift of the temperature sensor and the installation position, which will easily lead to false alarms. For example, when the model in the heating state is powered off and then powered on quickly, and the ambient temperature is v...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/38F24F11/64F24F110/10
CPCF24F11/38F24F11/64F24F2110/10
Inventor 杨泽陈大名邓展威赖峥
Owner GREE ELECTRIC APPLIANCES INC
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