CN-118623461-B - Control method and device for self-cleaning frosting stage of air conditioner, air conditioner and computer readable storage medium

CN118623461BCN 118623461 BCN118623461 BCN 118623461BCN-118623461-B

Abstract

The application relates to the technical field of equipment cleaning, and discloses a control method for a self-cleaning frosting stage of an air conditioner, wherein the air conditioner comprises a shell; the air conditioner comprises a shell, a heat exchanger, a water separating device and a control device, wherein the water separating device is arranged in the shell and used for separating out water in air to the surface of the heat exchanger, the method comprises the steps of obtaining the current coil temperature when the air conditioner runs in a self-cleaning mode and enters a frosting stage, determining the running parameters of the water separating device when the water separating device is located in the frosting stage according to the current coil temperature, and controlling the water separating device to run in the frosting stage according to the running parameters. Under the action of the water separating device, more water molecules are adsorbed on the surface of the heat exchanger, so that the frosting quantity on the surface of the heat exchanger can be increased, and the self-cleaning effect of the air conditioner is improved. The application also discloses a control device for the self-cleaning frosting stage of the air conditioner, the air conditioner and a computer readable storage medium.

Inventors

WANG FEI
LI YANG
LIN CHAO
ZHANG XINYI
XU WENMING
DING SHUANG

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: 20240309
Priority Date: 20230310

Claims (9)

1. A control method for self-cleaning frosting stage of an air conditioner is characterized by comprising a shell, a heat exchanger and a water separating device, wherein the heat exchanger is arranged in the shell, the water separating device is arranged in the shell and used for separating water in air out of the surface of the heat exchanger, the water separating device comprises an ionization device, the ionization device comprises a plurality of discharge electrodes, the discharge electrodes are used for ionizing air and generating ions, water molecules and dust in the air can be adsorbed on the surface of the heat exchanger after being combined with the ions, the discharge electrodes are connected with electricity, the heat exchanger is grounded, or the discharge electrodes and the heat exchanger are respectively connected with electricity with opposite polarities, and the method comprises the following steps: Under the condition that the air conditioner runs in a self-cleaning mode and enters a frosting stage, acquiring the current coil temperature; determining the operation parameters of the water separation device in the frosting stage according to the current coil temperature; Controlling the water separation device to operate according to the operation parameters in the frosting stage; The method comprises the steps of determining the operation parameters of the water separation device in a frosting stage according to the current coil temperature, wherein the operation parameters of the water separation device in the frosting stage comprise determining the operation parameters of the water separation device in the frosting stage as first operation parameters under the condition that the current coil temperature is smaller than a preset coil temperature or determining the operation parameters of the water separation device in the frosting stage as second operation parameters under the condition that the current coil temperature is larger than or equal to the preset coil temperature, wherein the water separation capacity corresponding to the first operation parameters is smaller than the water separation capacity corresponding to the second operation parameters; The air conditioner further comprises a moving device connected with the water separation device and used for driving the water separation device to move relative to the heat exchanger, and the method further comprises the step of controlling the moving device to adjust the distance between the water separation device and the heat exchanger according to the dirt attaching capability and the dirt area of the heat exchanger.
2. The method of claim 1, wherein determining the operating parameters of the water separation device at the frosting stage based on the current coil temperature further comprises: acquiring the condensation amount of the heat exchanger when entering a frosting stage; And correcting the operation parameters of the water separation device in the frosting stage according to the condensation amount of the heat exchanger.
3. The method of claim 2, wherein modifying the operating parameters of the water separation device during the frosting phase based on the amount of heat exchanger condensation comprises: Increasing the operating parameters of the water separation device in the frosting stage under the condition that the condensation amount of the heat exchanger is smaller than or equal to the first condensation amount, or Maintaining the operation parameters of the water separation device in the frosting stage under the condition that the condensation amount of the heat exchanger is larger than the first condensation amount and smaller than the second condensation amount, or Reducing the operating parameters of the water separation device in the frosting stage under the condition that the condensation amount of the heat exchanger is larger than or equal to the second condensation amount; wherein the first condensation amount is smaller than the second condensation amount.
4. The method of claim 1, wherein controlling the water separation device after the frosting stage operates according to the operating parameters further comprises: Acquiring the distance of a frosting section of the heat exchanger; And controlling the water separating device to be closed according to the distance between the frosting sections of the heat exchanger.
5. The method of claim 4, wherein controlling the turning off of the water separation device based on the distance of the frosting section of the heat exchanger comprises: and under the condition that the ratio of the distance of the frosting section of the heat exchanger to the width of the fins is larger than or equal to the preset frosting ratio, controlling the water separation device to be closed.
6. The method of claim 5, wherein the predetermined frosting ratio is obtained by: and determining a preset frosting ratio according to the dirty and blocked information of the heat exchanger.
7. A control device for a self-cleaning frosting stage of an air conditioner, comprising a processor and a memory storing program instructions, characterized in that the processor is configured to execute the control method for a self-cleaning frosting stage of an air conditioner according to any one of claims 1 to 6 when running the program instructions.
8. An air conditioner, comprising: A housing; the heat exchanger is arranged in the shell; The water separating device is arranged in the shell and used for separating out water in the air to the surface of the heat exchanger, the water separating device comprises an ionization device, the ionization device comprises a plurality of discharge electrodes, the discharge electrodes are used for ionizing the air and generating ions, and water molecules and dust in the air can be adsorbed to the surface of the heat exchanger after being combined with the ions, wherein the discharge electrodes are connected with electricity, the heat exchanger is grounded, or the discharge electrodes and the heat exchanger are respectively connected with electricity with opposite polarities; the moving device is connected with the water separating device and used for driving the water separating device to move relative to the heat exchanger; The control device for the self-cleaning frosting stage of air conditioner according to claim 7, which is disposed in the housing and electrically connected with the water separating device.
9. A computer-readable storage medium storing program instructions that, when executed, cause a computer to perform the control method for the self-cleaning frosting stage of an air conditioner according to any one of claims 1 to 6.

Description

Control method and device for self-cleaning frosting stage of air conditioner, air conditioner and computer readable storage medium The present application claims priority from chinese patent application No. 202310234019.1 entitled "air conditioner, filtration device, ionization device, method, device and storage medium for self-cleaning of air conditioner," filed under the name of 2023, 3 and 10, the entire contents of which are incorporated herein by reference. Technical Field The application relates to the technical field of equipment cleaning, in particular to a control method and device for an air conditioner self-cleaning frosting stage, an air conditioner and a computer readable storage medium. Background Currently, self-cleaning of temperature regulating devices, such as air conditioners with heat exchangers, has been a concern for users. For the heat exchanger, because of various types of pollutants in the air, dirt is formed on the surface of the heat exchanger for a long time. If the air conditioner is not cleaned in time, the heat exchange performance of the heat exchanger is obviously reduced, and even the air conditioner frequently enters a protection state due to insufficient heat exchange performance and cannot work normally. The related art provides an air conditioner which combines refrigeration system parameter control and detection judgment to realize self-cleaning of a heat exchanger, and comprises the following steps of obtaining a control self-cleaning control instruction, entering a self-cleaning mode, adjusting the rotating speed of a fan of the air conditioner and/or reducing the temperature of an indoor heat exchanger to enable the heat exchanger to be frosted, and defrosting the heat exchanger after the frosting is completed. In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: in the self-cleaning process of the heat exchanger, the condensation rate and frosting efficiency of the surface of the heat exchanger are low, so that the frosting quantity is insufficient, and finally the self-cleaning effect is poor. It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art. Disclosure of Invention The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows. The embodiment of the disclosure provides a control method and device for a self-cleaning frosting stage of an air conditioner, the air conditioner and a computer readable storage medium, which can increase frosting quantity on the surface of a heat exchanger and are beneficial to improving the self-cleaning effect of the air conditioner. In some embodiments, the air conditioner comprises a shell, a heat exchanger arranged in the shell, and a water separation device arranged in the shell and used for separating out water in air to the surface of the heat exchanger, wherein the method comprises the steps of obtaining the current coil temperature when the air conditioner runs in a self-cleaning mode and enters a frosting stage, determining the operation parameters of the water separation device when the water separation device is located in the frosting stage according to the current coil temperature, and controlling the water separation device to operate according to the operation parameters in the frosting stage. In some embodiments, the apparatus includes a processor and a memory storing program instructions configured to perform the control method for the self-cleaning frosting stage of the air conditioner described above when the program instructions are executed. In some embodiments, the air conditioner comprises a shell, a heat exchanger arranged in the shell, a water separating device arranged in the shell and used for separating out water in air to the surface of the heat exchanger, and the control device used for the self-cleaning frosting stage of the air conditioner is arranged in the shell and electrically connected with the water separating device. In some embodiments, the computer readable storage medium stores program instructions that, when executed, cause a computer to perform the control method for the self-cleaning frosting stage of an air conditioner described above. The control method and device for the self-cleaning frosting stage of the air conditioner, the air conditioner and the computer readable storage medium provided by the embodiment of the disclosure can realize the following technical effects: In the em