CN-119309280-B - Air conditioner air speed control method and device and air conditioner

CN119309280BCN 119309280 BCN119309280 BCN 119309280BCN-119309280-B

Abstract

The invention provides an air conditioner air speed control method, an air conditioner air speed control device and an air conditioner, wherein the method comprises the steps of utilizing a radar module to capture the moving speed and the man-machine distance of a target human individual relative to an air conditioner indoor unit under the condition that at least one human individual in an indoor space is determined to be in a motion state through the radar module; and determining a target fan rotating speed matched with the target human individual in a speed dimension and/or a distance dimension based on the moving speed and/or the man-machine distance of the target human individual relative to the indoor unit of the air conditioner so as to at least control the target cross-flow fan to operate at the target fan rotating speed. The air conditioner air speed control method and device and the air conditioner provided by the invention realize the self-adaptive adjustment of the air conditioner air supply mode according to the behavior activity of indoor individuals, improve the regulation and control efficiency of indoor environment temperature and optimize the air blowing experience of users.

Inventors

LIU GUANGPENG
SHI HENG

Assignees

青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
青岛海尔智能技术研发有限公司
海尔智家股份有限公司

Dates

Publication Date: 20260512
Application Date: 20230714

Claims (8)

1. The air speed control method of the air conditioner is characterized by being applied to an air conditioner indoor unit with an air supply device and a plurality of air outlets, wherein the air supply device comprises a plurality of cross-flow fans, each cross-flow fan corresponds to one air outlet, and the control method comprises the following steps: Under the condition that at least one human individual in the indoor space is in a motion state through the radar module, the radar module is utilized to capture the moving speed and the human-machine distance of the target human individual relative to the indoor unit of the air conditioner; Determining a target fan rotating speed matched with the target human individual in a speed dimension and/or a distance dimension based on the moving speed and/or the man-machine distance of the target human individual relative to the air conditioning indoor unit so as to at least control the target cross-flow fan to operate at the target fan rotating speed; The radar module is arranged in the indoor unit of the air conditioner, and the target human individual is a human individual in a motion state in an indoor space; the cross-flow fans blow cold air, hot air or natural air through the corresponding air outlets, and the air supply area of the air conditioner indoor unit is divided into a plurality of subareas according to the arrangement positions of the air outlets; Using the mapping relation between the moving speed and the fan rotating speed of the target human individual relative to the indoor unit of the air conditioner and the mapping relation between the human-machine distance and the fan rotating speed of the target human individual relative to the indoor unit of the air conditioner to calculate the target fan rotating speed matched in a single dimension or multiple dimensions, and controlling the target cross-flow fan matched with the position of the target human individual in the indoor space to supply air to the subarea where the individual is currently located at the target fan rotating speed, wherein other fan rotating speeds except the target fan rotating speed are kept at a rotating speed value defaulted by a starting working mode; The determining, based on the moving speed and the man-machine distance of the target human individual relative to the air conditioning indoor unit, a target fan rotational speed matching the target human individual in a speed dimension and a distance dimension includes: if the moving speed of the target human individual relative to the indoor unit of the air conditioner is less than or equal to a second speed threshold value, determining a first fan rotating speed based on the moving speed and the rated highest rotating speed of the cross-flow fan; if the human-machine distance of the target human individual relative to the air conditioner indoor unit is less than or equal to a second distance threshold value, determining a second fan rotating speed based on the human-machine distance and the rated highest rotating speed of the cross-flow fan; determining the target fan speed based on the first fan speed and the second fan speed; Wherein the second speed threshold is determined based on the speed of the human individual when the human individual is displaced in the indoor space; the second distance threshold value is determined according to the lift of the air conditioner indoor unit; The calculation formula of the target fan rotating speed is as follows: ; Wherein, the For the target fan speed; -for said first fan speed; the moving speed of the target human individual relative to the indoor unit of the air conditioner; A rated maximum rotation speed of the cross-flow fan; Is a constant term; -for said second fan speed; a human-machine distance of the target human individual relative to the indoor unit of the air conditioner; Is the second distance threshold.
2. The method of claim 1, wherein determining a target fan speed that matches the target human individual in a speed dimension based on a speed of movement of the target human individual relative to an air conditioning indoor unit, comprises: If the moving speed of the target human individual relative to the indoor unit of the air conditioner is smaller than or equal to a first speed threshold value, determining the target fan rotating speed based on the moving speed and the rated maximum rotating speed of the cross-flow fan; If the moving speed of the target human individual relative to the air conditioner indoor unit is greater than a first speed threshold, setting the target fan rotating speed as the rated highest rotating speed of the cross-flow fan; Wherein the first speed threshold is determined based on the speed of the human individual as the indoor space is displaced.
3. The method of claim 1, wherein determining a target fan speed that matches the target human individual in a speed dimension based on a human-machine distance of the target human individual relative to an air conditioning indoor unit, comprises: If the human-machine distance of the target human individual relative to the indoor unit of the air conditioner is smaller than or equal to a first distance threshold value, determining the target fan rotating speed based on the human-machine distance and the rated maximum rotating speed of the cross-flow fan; if the human-machine distance of the target human individual relative to the air conditioner indoor unit is larger than a first distance threshold, setting the target fan rotating speed as the rated highest rotating speed of the cross-flow fan; The first distance threshold is determined according to the lift of the air conditioner indoor unit.
4. The method for controlling wind speed of an air conditioner according to any one of claims 1 to 3, further comprising, before the radar module is used to capture the moving speed and the man-machine distance of the target human individual: The radar module is used for scanning the height of the target human individual to determine the wind swinging range of the yaw blade assembly; in the process of controlling the yaw blade assembly to swing up and down in the wind swinging range, the radar module is utilized to capture the moving speed and the man-machine distance of a target human individual; the horizontal swing blade assembly is arranged in the cavity of the air outlet so as to change the output wind direction of the cross-flow fan.
5. An air-conditioner wind speed control device, characterized by comprising: The motion capture module is used for capturing the moving speed and the man-machine distance of a target human individual relative to the indoor unit of the air conditioner by utilizing the radar module under the condition that the radar module determines that at least one human individual exists in the indoor space and is in a motion state; A fan control module, configured to determine a target fan rotational speed that matches the target human individual in a speed dimension and/or a distance dimension based on a movement speed and/or a human-machine distance of the target human individual relative to an air conditioning indoor unit, so as to control a target cross-flow fan to run at the target fan rotational speed; The radar module is arranged in the indoor unit of the air conditioner, and the target human individual is a human individual in a motion state in an indoor space; The cross-flow fans blow cold air, hot air or natural air out through the corresponding air outlets, and the air supply area of the air conditioner indoor unit is divided into a plurality of subareas according to the arrangement positions of the air outlets; Using the mapping relation between the moving speed and the fan rotating speed of the target human individual relative to the indoor unit of the air conditioner and the mapping relation between the human-machine distance and the fan rotating speed of the target human individual relative to the indoor unit of the air conditioner to calculate the target fan rotating speed matched in a single dimension or multiple dimensions, and controlling the target cross-flow fan matched with the position of the target human individual in the indoor space to supply air to the subarea where the individual is currently located at the target fan rotating speed, wherein other fan rotating speeds except the target fan rotating speed are kept at a rotating speed value defaulted by a starting working mode; The determining, based on the moving speed and the man-machine distance of the target human individual relative to the air conditioning indoor unit, a target fan rotational speed matching the target human individual in a speed dimension and a distance dimension includes: if the moving speed of the target human individual relative to the indoor unit of the air conditioner is less than or equal to a second speed threshold value, determining a first fan rotating speed based on the moving speed and the rated highest rotating speed of the cross-flow fan; if the human-machine distance of the target human individual relative to the air conditioner indoor unit is less than or equal to a second distance threshold value, determining a second fan rotating speed based on the human-machine distance and the rated highest rotating speed of the cross-flow fan; determining the target fan speed based on the first fan speed and the second fan speed; Wherein the second speed threshold is determined based on the speed of the human individual when the human individual is displaced in the indoor space; the second distance threshold value is determined according to the lift of the air conditioner indoor unit; The calculation formula of the target fan rotating speed is as follows: ; Wherein, the For the target fan speed; -for said first fan speed; the moving speed of the target human individual relative to the indoor unit of the air conditioner; A rated maximum rotation speed of the cross-flow fan; Is a constant term; -for said second fan speed; a human-machine distance of the target human individual relative to the indoor unit of the air conditioner; Is the second distance threshold.
6. An air conditioner comprises an indoor unit and an outdoor unit, and is characterized in that a control processor and a radar module are arranged in the indoor unit, and the radar module is arranged in the indoor unit; further comprising a memory and a program or instructions stored on the memory and executable on the control processor, which when executed by the control processor performs the air conditioner wind speed control method according to any one of claims 1 to 4; Wherein, the radar module includes millimeter wave radar.
7. A non-transitory computer readable storage medium having stored thereon a computer program, wherein the computer program when executed by a processor implements the air conditioner wind speed control method according to any one of claims 1 to 4.
8. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the air conditioning wind speed control method according to any one of claims 1 to 4.

Description

Air conditioner air speed control method and device and air conditioner Technical Field The present invention relates to the field of air conditioning apparatuses, and in particular, to a method and an apparatus for controlling air speed of an air conditioner, and an air conditioner. Background An air conditioner is an indispensable device in an indoor place, and can provide a comfortable living or working environment for a user by controlling an indoor ambient temperature. In the prior art, air conditioners are generally based on a built-in centrifugal fan or a cross-flow fan for blowing air. The centrifugal fan's wind pressure is great, and the air conditioner is based on built-in centrifugal fan when blowing, and the distance of blowing is relatively far away, but user's sense of blowing is stronger, and user's comfort level is experienced inadequately. Therefore, a cross-flow fan with smaller wind pressure is usually selected, and the blowing distance is relatively short due to the smaller wind pressure, so that the blowing sense of a user is weakened to a certain extent. In addition, the wind speed of the air supply of the traditional air conditioner is usually fixed, and in an actual scene, the air supply with the fixed wind speed is often not matched with the behavior activity of an indoor individual, so that the optimal temperature regulation and control effect is difficult to realize, and the regulation and control efficiency on the indoor environment temperature is lower. Disclosure of Invention The invention provides an air conditioner air speed control method and device and an air conditioner, which are used for solving the defect of low temperature regulation and control efficiency caused by mismatching of air supply with fixed air speed and behavior activity of indoor individuals in the prior art. The invention provides an air speed control method of an air conditioner, which is applied to an air conditioner indoor unit with an air supply device and a plurality of air outlets, wherein the air supply device comprises a plurality of cross-flow fans, and each cross-flow fan corresponds to one air outlet, and the control method comprises the following steps: Under the condition that at least one human individual in the indoor space is in a motion state through the radar module, the radar module is utilized to capture the moving speed and the human-machine distance of the target human individual relative to the indoor unit of the air conditioner; Determining a target fan rotating speed matched with the target human individual in a speed dimension and/or a distance dimension based on the moving speed and/or the man-machine distance of the target human individual relative to the air conditioning indoor unit so as to at least control the target cross-flow fan to operate at the target fan rotating speed; the radar module is arranged in an air conditioner indoor unit, the target human individual is a human individual in a motion state in an indoor space, and the target cross-flow fan is a cross-flow fan matched with the position of the target human individual in the indoor space. According to the air conditioner air speed control method provided by the invention, the method for determining the target fan rotating speed matched with the target human individual in the speed dimension based on the moving speed of the target human individual relative to the air conditioner indoor unit comprises the following steps: If the moving speed of the target human individual relative to the indoor unit of the air conditioner is smaller than or equal to a first speed threshold value, determining the target fan rotating speed based on the moving speed and the rated maximum rotating speed of the cross-flow fan; If the moving speed of the target human individual relative to the air conditioner indoor unit is greater than a first speed threshold, setting the target fan rotating speed as the rated highest rotating speed of the cross-flow fan; Wherein the first speed threshold is determined based on the speed of the human individual as the indoor space is displaced. According to the air conditioner air speed control method provided by the invention, the method for determining the target fan rotating speed matched with the target human individual in the speed dimension based on the human-machine distance of the target human individual relative to the air conditioner indoor unit comprises the following steps: If the human-machine distance of the target human individual relative to the indoor unit of the air conditioner is smaller than or equal to a first distance threshold value, determining the target fan rotating speed based on the human-machine distance and the rated maximum rotating speed of the cross-flow fan; if the human-machine distance of the target human individual relative to the air conditioner indoor unit is larger than a first distance threshold, setting the target fan rotating speed as the rated highest rotatin