Variable-frequency air conditioner control method based on millimeter wave radars in multi-indoor-unit space

Abstract

The invention belongs to the technical field of air conditioners, particularly provides a variable-frequency air conditioner control method based on millimeter wave radars in a multi-indoor-unit space, and aims to solve the problem that a variable-frequency air conditioner cannot be accurately controlled when the millimeter wave radars are used for detecting the number of persons in the same multi-indoor-unit space. The method comprises the following steps that each millimeter wave radar detects the number and positions of persons in the space; the numbers and positions of the persons detected by the millimeter wave radars are compared, and the number of persons repeatedly counted due to the same position is removed based on the comparison result, so as to determine the actual number of the persons; and the compressor frequency of the variable-frequency air conditioner is controlled according to the actual number of the persons. By means of the method, the actual number of persons in the multi-indoor-unit space can be accurately detected, the load of the variable-frequency air conditioner can be adjusted in time, the somatosensory comfort of persons in the space is improved, the air conditioner frequency can be reduced in time when the number of persons in the space is reduced, and therefore energy is saved.

Description

technical field [0001] The invention belongs to the technical field of air conditioners, and specifically provides a millimeter-wave radar-based frequency conversion air conditioner control method in a multi-indoor unit space. Background technique [0002] The current air conditioning system usually determines the indoor load according to the data returned by the temperature sensor, and adjusts the operating frequency of the compressor of the inverter air conditioner, so that the air conditioning system meets the requirements of the indoor temperature. However, the temperature sensor can only sense the temperature at the location of the indoor unit, and cannot accurately judge the global temperature of the indoor space. Therefore, the air-conditioning system based on temperature sensor control cannot adjust the air-conditioning load according to the actual number of active people in the room. When the number of people is large, it will easily lead to low physical comfort in ...

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that the operating frequency of the inverter air conditioner cannot be accurately controlled when multiple indoor units are in the same space when the scanning areas of the millimeter-wave radar overlap, the present invention proposes a The millimeter-wave radar-based inverter air conditioner control method in a multi-indoor unit space is characterized in that the method includes: