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A power module temperature detection and control method, computer readable storage medium and air conditioner

A power module, detection and control technology, applied in heating and ventilation control systems, control inputs involving air characteristics, space heating and ventilation control inputs, etc. Use experience, solve false alarm power module temperature detection failure, and improve the effect of accuracy

Active Publication Date: 2021-02-26
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this patent still does not solve the problem that the air conditioner misreports the temperature detection failure of the module when the air conditioner is running at low load in a low temperature environment

Method used

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  • A power module temperature detection and control method, computer readable storage medium and air conditioner

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] Embodiment 1: A method for detecting and controlling the temperature of a power module.

[0019] like figure 1 As shown, a power module temperature detection and control method, the specific steps are as follows:

[0020] Step 1. Turn on the heating operation mode of the air conditioner;

[0021] Step 2: After the compressor of the air conditioner runs for n minutes, the main controller of the air conditioner calls the ambient temperature (the n minutes are determined according to the actual operating conditions);

[0022] Step 3: The air conditioner judges the sampling value of the ambient temperature, whether the ambient temperature is lower than z°C; z°C is determined according to the actual situation; if not, proceed to step 4; if so, the air conditioner operates normally, and re-enter step 2 at the same time; Under working conditions, the temperature of the power module will not be too high when the air conditioner is running. In order to prevent the air conditio...

Embodiment 2

[0026] Embodiment 2: a computer-readable storage medium.

[0027] A computer-readable storage medium is used for storing a computer program, and when the computer program is invoked by a processor, the power module temperature detection and control method described in Embodiment 1 is implemented.

Embodiment 3

[0028] Embodiment 3: an air conditioner.

[0029] An air conditioner includes a processor and a memory, the memory is used to store a computer program, and when the computer program is invoked by the processor, the power module temperature detection and control method described in Embodiment 1 is realized.

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Abstract

The invention provides a power module temperature detection control method, a computer readable storage medium and an air conditioner. In the heating operation process of the air conditioner, a current working environment temperature condition is judged by detecting environment temperature in real time, so that the temperature of a power module is detected; and the temperature data of the power module are calculated and analyzed, so that whether faults exist or not on the power module can be judged. The temperature of the power module and the environment temperature are synchronously detected;the temperature detection fault of the power module is judged through a set judgment program, so that detection accuracy is improved; the problem that the air conditioner misreports the temperature detection fault of the power module is solved; and the use experience of a user is guaranteed.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a power module temperature detection and control method, a computer-readable storage medium and an air conditioner. Background technique [0002] Nowadays, inverter air conditioners widely use intelligent power modules to drive compressors, and the temperature rise of power modules has always been a problem in the industry. Most power modules use built-in NTC resistors for temperature detection. However, due to the extremely high resistance value of NTC resistors in low-temperature environments, the accuracy of the temperature rise detection of the power modules by the air conditioner is extremely low, and it is impossible to accurately determine the temperature of the power modules at this time. Therefore, there is a practice in the industry to directly determine that the temperature detection of the power module is abnormal when the power module is lower than a certain...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/38F24F11/64F24F11/70F24F11/88F24F110/10
CPCF24F11/38F24F11/64F24F11/70F24F11/88F24F2110/10
Inventor 覃琨刘杰王欣鄢强强刘佰兰陈代兵陈名才
Owner GREE ELECTRIC APPLIANCES INC