CN-121993879-A - Air purifier control method and device and air purifier

CN121993879ACN 121993879 ACN121993879 ACN 121993879ACN-121993879-A

Abstract

The invention relates to the technical field of intelligent control, and discloses a control method and device of an air purifier and the air purifier, wherein the method comprises the steps of obtaining height information of a reference object in a current purification area; according to the invention, the height information of a reference object is obtained, and the target air inlet system is determined and started in a plurality of air inlet systems with different heights according to the height information, so that the air purifier can automatically match air inlets with corresponding heights according to the actual height of the reference object, the adaptation of the air inlet height and a personnel activity area is realized, the targeted purification is realized, the unnecessary waste is reduced, and the invention belongs to the technical field of high efficiency and energy conservation in the energy-saving environment-friendly industry.

Inventors

JIN XING
ZHANG YING
WANG XIANBO
SONG SHIWEN
PENG XIAOMIN
FU LIJUAN

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260508
Application Date: 20260331

Claims (10)

1. A control method of an air purifier, characterized in that the method comprises: acquiring height information of a reference object in a current purifying area; And determining a target air inlet system in a plurality of air inlet systems with different heights of the air purifier according to the height information, and starting the target air inlet system.
2. The method according to claim 1, wherein the method further comprises: acquiring the activity state information of the reference object; and controlling the fan gear of the air purifier according to the activity state information.
3. The method of claim 1, wherein determining a target air intake system among a plurality of different height air intake systems of an air purifier based on the height information comprises: And matching the height range corresponding to each air inlet system with the height information, and determining the corresponding target air inlet system according to the target height range in which the height information falls, wherein the height range is a range parameter longitudinally determined according to the set height of the air inlet system on the air purifier.
4. The method of claim 3, wherein the air cleaner includes an upper air intake system disposed in an upper half area of the main body and a lower air intake system disposed in a lower half area of the main body, the matching is performed based on a height range corresponding to each air intake system and the height information, and the corresponding target air intake system is determined according to a target height range into which the height information falls, including: when the height information is larger than a preset height threshold value, the upper air inlet system is started and the lower air inlet system is closed; when the height information is smaller than or equal to the preset height threshold value, the lower air inlet system is started and the upper air inlet system is closed; and when a plurality of height information with the height being larger than the preset height threshold value and smaller than or equal to the preset height threshold value exist at the same time, starting the upper air inlet system and the lower air inlet system at the same time.
5. The method of claim 4, wherein the height information is determined to be greater than a predetermined height threshold when the height information is greater than the predetermined height threshold for a plurality of consecutive sampling periods, and wherein the height information is determined to be less than or equal to the predetermined height threshold when the height information is less than or equal to the predetermined height threshold for a plurality of consecutive sampling periods.
6. The method of claim 2, wherein the activity state information includes a target distance of the reference object to the air purifier and/or a target speed of the reference object, the controlling a fan gear of the air purifier according to the activity state information comprising: And controlling a fan gear of the air purifier according to a first mapping relation and/or a second mapping relation, wherein the first mapping relation indicates that the target distance and the fan gear are in negative correlation, and the second mapping relation indicates that the target speed and the fan gear are in positive correlation.
7. The method of claim 6, wherein controlling the fan gear of the air purifier according to the first mapping relationship and/or the second mapping relationship comprises: calculating a first control value based on the first mapping relation and the target distance, wherein the first control value is inversely related to the target distance and positively related to the fan gear; Calculating a second control value based on the second mapping relation and the target speed, wherein the second control value is positively correlated with the target speed and positively correlated with the fan gear; the first control value and the second control value are weighted and summed to obtain a gear control value; And determining the current fan gear according to the matching relation between the gear control value and the corresponding control value range of each gear.
8. The method of claim 6, wherein prior to said controlling the fan gear of the air purifier according to the first and/or second mapping, the method further comprises: judging whether the target distance is larger than a preset distance threshold value or not; When the target distance is larger than a preset distance threshold, controlling the fan gear based on the control pollutant concentration of the current environment; And when the target distance is smaller than or equal to a preset distance threshold, executing the step of controlling the fan gear of the air purifier according to the first mapping relation and/or the second mapping relation.
9. An air cleaner control device, the device comprising: the height information acquisition module is used for acquiring height information of a reference object in the current purification area; And the target air inlet system determining module is used for determining a target air inlet system in a plurality of air inlet systems with different heights of the air purifier according to the height information and starting the target air inlet system.
10. An air purifier, comprising: A main body; the upper air inlet system is arranged at the upper part of the main body and comprises an upper fan and an upper filter screen; The lower air inlet system is arranged at the lower part of the main body and comprises a lower fan and a lower filter screen, wherein the upper part of the main body represents an area of which the cross section is far away from the ground after being evenly divided by the cross section parallel to the ground when the main body is placed on the ground in a working posture, and the lower part of the main body represents an area of which the cross section is near the ground after being evenly divided by the cross section parallel to the ground when the main body is placed on the ground in a working posture; The sensor array is used for acquiring user information in the surrounding environment of the purifier, wherein the user information at least comprises user height, distance between the user and the purifier and activity speed of the user; A control module, respectively connected to the sensor array, the upper air intake system and the lower air intake system, for executing an air cleaner control method according to any one of claims 1-8.

Description

Air purifier control method and device and air purifier Technical Field The invention relates to the technical field of intelligent control, in particular to an air purifier control method and device and an air purifier. Background Along with the deterioration of air quality, the harm of harmful components in the air to human bodies is increased, the attention of people to air pollution is higher and higher, and the appearance of an air purifier can effectively remove indoor air pollution and improve the air quality of the household environment. In the home environment, when the air purifier is used by moving objects (such as adults, children and pets) with different heights, the relative positions of the breathing area and the air inlet of the equipment are different, the purification effect of the traditional purifier in the scene is to be improved, the problems of poor purification pertinence, idle running of a fan, high energy consumption and the like exist, and the technical requirements of the energy-saving environment-friendly industry on high-efficiency energy-saving intelligent purification are not met. Disclosure of Invention The invention provides a control method and device of an air purifier and the air purifier, which are used for solving the problems that the related air purifier cannot be related to the actual activity perception capability of a user, the purification efficiency is low, energy waste exists, and the breathing area of movable objects with different heights cannot be adapted, and the purification effect is poor. In a first aspect, the invention provides a control method of an air purifier, which comprises the steps of obtaining height information of a reference object in a current purifying area, determining a target air inlet system in a plurality of air inlet systems with different heights of the air purifier according to the height information, and starting the target air inlet system. According to the technical means, the height information of the reference object is obtained, the target air inlet system is determined and started in the air inlet systems with different heights according to the height information, so that the air purifier can be automatically matched with the air inlet with corresponding height according to the actual height of the reference object, the defect that the fixed-height air inlet cannot meet the purification requirements of people with different heights is avoided, the purification pertinence is improved, the invalid air inlet and the high-load operation of a fan are avoided, and the energy-saving and environment-friendly level is improved. In an alternative embodiment, the method further comprises the steps of acquiring the activity state information of the reference object and controlling the fan gear of the air purifier according to the activity state information. According to the technical means, the fan operation strength of the air purifier can be dynamically adjusted according to the actual activity degree of the reference object by acquiring the activity state information of the reference object and controlling the fan gear according to the activity state information, the defect that the fan gear always keeps the same level and cannot adapt to the change of the activity state is avoided, the operation state is coordinated with the current scene, the fan gear is dynamically adjusted according to the activity state of personnel, the high-efficiency energy-saving characteristic is enhanced, and the air purifier meets the technical guide and product requirements of the energy-saving environment-friendly industry and the high-efficiency energy-saving industry. In an alternative embodiment, the method for determining the target air inlet system in the air purifier according to the height information comprises the steps of matching the height range corresponding to each air inlet system with the height information, and determining the corresponding target air inlet system according to the target height range in which the height information falls, wherein the height range is a range parameter longitudinally determined according to the set height of the air inlet system on the air purifier. According to the technical means, the target air inlet system is determined by pre-defining the corresponding height range for each air inlet system and matching the height information of the reference object with the height range, so that the selection of the air inlet system has a clear quantitative basis, the accurate correspondence of the height information to the selection of the air inlet system is realized, and the accuracy and operability of the air inlet system selection are improved. In an alternative embodiment, the air purifier comprises an upper air inlet system arranged in the upper half area of the main body and a lower air inlet system arranged in the lower half area of the main body, the height ranges corresponding to the air inlet systems and