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Electric appliance temperature sensor fault detection calibration method, air conditioner and computer readable storage medium

A technology of temperature sensor and calibration method, applied in thermometer testing/calibration, thermometer, instrument, etc., can solve problems such as affecting user experience, affecting the performance of air conditioners, affecting the accuracy of air conditioners, etc., to improve detection accuracy and reduce electrical appliances. Maintenance frequency and the effect of improving user experience

Inactive Publication Date: 2019-11-26
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] There are multiple temperature sensors in the air conditioner, and different temperature sensors can sense the indoor ambient temperature, the temperature of the refrigerant in the heat pump system, the air temperature of the air conditioner, etc. The accuracy of the detection of each temperature sensor directly affects the accuracy of the control of the air conditioner. Directly affect the performance of the air conditioner and affect the user experience

Method used

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  • Electric appliance temperature sensor fault detection calibration method, air conditioner and computer readable storage medium

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Embodiment 1

[0024] The fault detection and calibration method of the electrical appliance temperature sensor in this embodiment can be applied to the air conditioner in this embodiment. The air conditioner is equipped with multiple sensors for detecting the indoor ambient temperature, detecting the temperature of the refrigerant in various parts of the heat pump system, and detecting the temperature of the air outlet of the air conditioner. A temperature sensor, because the temperature sensor is prone to failure after long-term use, resulting in a large deviation between the temperature value detected by some temperature sensors and the actual temperature value, which directly affects the accuracy of the temperature control of the air conditioner and affects the user experience.

[0025] The inventor found that among all the temperature sensors (faulty sensors) that have failed in the air conditioner, a large proportion of the faulty sensors only have accuracy drift, and the faulty sensors ...

Embodiment 2

[0040] In this embodiment, the interpolation fitting method is used to fit the functional relationship between the fault temperature value detected by the fault sensor and the average temperature value detected by each temperature sensor, and the fault temperature value detected by the fault sensor is mapped through the functional relationship The obtained average temperature value detected by each temperature sensor is used as the calibration value of the fault temperature value detected by the fault sensor.

[0041] Preferably, because the fault temperature value detected by the fault sensor with accuracy drift basically satisfies a linear relationship with the actual temperature value, so this embodiment preferably uses a linear function to fit the fault temperature value detected by the fault sensor and each temperature The functional relationship of the average temperature value detected by the sensor, the specific steps include:

[0042] First, after the air conditioner ...

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Abstract

The invention relates to the air-conditioning field. The electric appliance temperature sensor fault detection calibration method comprises the following steps: obtaining a temperature value detectedby each temperature sensor under the same temperature environment; and judging the temperature sensor, the absolute value of the difference between the detected temperature value of which and an average temperature value detected by each temperature sensor is greater than a preset difference value, as a fault sensor; judging the temperature sensor, the absolute value of the difference between thedetected temperature value of which and the average temperature value detected by each temperature sensor is less than or equal to the preset difference value, as a normal sensor; calibrating the fault temperature value detected by the fault sensor according to the average temperature value detected by each temperature sensor; or calibrating the fault temperature value detected by the fault sensoraccording to the average temperature value detected by the normal sensors. The method can automatically calibrate the fault sensor with accuracy deviation, thereby helping to improve detection accuracy of various temperature sensors in an electrical appliance and improving accuracy of temperature control of the air conditioner.

Description

technical field [0001] The invention relates to the field of air conditioners, in particular to a fault detection and calibration method for an electrical appliance temperature sensor, an air conditioner and a computer-readable storage medium. Background technique [0002] There are multiple temperature sensors in the air conditioner, and different temperature sensors can sense the indoor ambient temperature, the temperature of the refrigerant in the heat pump system, the air temperature of the air conditioner, etc. The accuracy of the detection of each temperature sensor directly affects the accuracy of the control of the air conditioner. It directly affects the performance of the air conditioner and affects the user experience. Contents of the invention [0003] One of the objectives of the present invention is to provide a method for detecting and calibrating faults of electrical appliance temperature sensors that is beneficial to improving the accuracy of electrical ap...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K15/00
CPCG01K15/005
Inventor 刘佰兰王敏宋飞陈炫锐
Owner GREE ELECTRIC APPLIANCES INC
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