CN-115962619-B - Control method of refrigerator fan and refrigerator

CN115962619BCN 115962619 BCN115962619 BCN 115962619BCN-115962619-B

Abstract

The application provides a control method of a refrigerator fan and a refrigerator, wherein the control method of the refrigerator comprises the steps of obtaining the working state of the refrigerator fan; the method comprises the steps of obtaining the ambient temperature of a refrigerator if the refrigerator fan is in a stop state, controlling the refrigerator fan to operate according to a first operation strategy if the ambient temperature meets a first preset condition, and controlling the refrigerator fan to operate according to a second operation strategy if the ambient temperature meets a second preset condition. The situation that the normal operation of the fan cannot be performed due to the fact that the fan of the refrigerator is stopped for a long time and ice is formed at the fan when the ambient temperature is low can be avoided.

Inventors

LUO YUNHUAN
CAO JIE
YU BANGXING
CHEN HAO
WANG LEYA

Assignees

TCL家用电器（合肥）有限公司

Dates

Publication Date: 20260512
Application Date: 20221229

Claims (8)

1. A method for controlling a refrigerator fan, the method comprising: acquiring the working state of the refrigerator fan; if the refrigerator fan is in a stop state, acquiring the ambient temperature of the refrigerator; if the ambient temperature meets a first preset condition, controlling the refrigerator fan to operate according to a first operation strategy; if the environmental temperature meets a second preset condition, controlling the refrigerator fan to operate according to a second operation strategy; If the refrigerator fan is in a stop state, the obtaining the ambient temperature of the refrigerator comprises: if the refrigerator fan is in a stop state, judging whether the refrigerator is in a defrosting stage or not; If the refrigerator is not in the defrosting stage, acquiring the ambient temperature of the refrigerator; If the ambient temperature meets a first preset condition, controlling the refrigerator fan to operate according to a first operation strategy comprises: if the ambient temperature is greater than an ambient temperature threshold, controlling the refrigerator fan to be started once every a first preset time period; if the environmental temperature meets a second preset condition, controlling the refrigerator fan to operate according to a second operation strategy comprises: And if the ambient temperature is not greater than the ambient temperature threshold, controlling the refrigerator fan to be started once every second preset time period, wherein the second preset time period is smaller than the first preset time period.
2. The method of controlling a refrigerator fan according to claim 1, wherein the controlling the refrigerator fan to be started once every a first preset time period includes: controlling the refrigerator fan to be started every a first preset time period; controlling the refrigerator fan to run for a first time period after starting and run for a second time period after stopping running, and then running for the first time period again, wherein the sum of the first time periods after starting and the sum of the second time periods after stopping running are smaller than the first preset time period; The controlling the refrigerator fan to be started once every second preset time period comprises the following steps: controlling the refrigerator fan to start every second preset time period; and after the refrigerator fan is started and stops running for a fourth time period, the third time period is run again, and the third time period is run at least twice, wherein the sum of the third time period and the fourth time period after the refrigerator fan is started is smaller than the second preset time period.
3. The method for controlling a refrigerator fan according to claim 2, wherein the controlling the refrigerator fan to be started every first preset time period, controlling the refrigerator fan to be operated for a first time period after being started and to be operated for a second time period after being stopped, and then operating the refrigerator fan again for the first time period at least twice, wherein the sum of the first time periods operated after being started and the sum of the second time periods stopped are smaller than the first preset time period comprises: Controlling the refrigerator fan to be started once every one hour; Controlling the refrigerator fan to run for ten seconds after being started, and after stopping running for five seconds, running for ten seconds again, stopping running for five seconds, and stopping running for ten seconds again; The method comprises the steps of controlling the refrigerator fan to start every second preset time period, running the refrigerator fan for a third time period after the refrigerator fan is started, and running the refrigerator fan for a third time period again after the refrigerator fan stops running for a fourth time period, and running the refrigerator fan for at least twice for the third time period, wherein the sum of the third time periods running after the refrigerator fan is started and the sum of the fourth time periods stopping running are smaller than the second preset time period, and the method comprises the following steps: controlling the refrigerator fan to be started once every thirty minutes; And controlling the refrigerator fan to run for ten seconds after being started, and after stopping running for five seconds, running for ten seconds again, stopping running for five seconds, and running for ten seconds again, and stopping running.
4. The control method of a refrigerator fan according to any one of claims 1 to 3, further comprising: and if a refrigerating instruction is received in the process of controlling the refrigerator fan to operate according to the first operation strategy or the second operation strategy, controlling the refrigerator fan to operate according to the third operation strategy.
5. The method of claim 4, wherein receiving a cooling command during controlling the refrigerator fan to operate according to the first operation strategy or to operate according to the second operation strategy comprises: Acquiring the temperature of a refrigerator compartment in the process of controlling the refrigerator fan to operate according to a first operation strategy or operate according to a second operation strategy; if the temperature of the compartment does not meet the preset temperature condition, generating a refrigeration instruction; And controlling the refrigerator fan to operate according to a third operation strategy according to the refrigeration instruction.
6. A control method of a refrigerator fan according to any one of claims 1 to 3, wherein the refrigerator fan is provided with a heating device, the method further comprising: and heating the refrigerator fan through the heating device.
7. The method for controlling a refrigerator fan according to claim 6, further comprising: acquiring the ambient humidity and the ambient temperature of the refrigerator and the shutdown time of the refrigerator fan in a shutdown state; and determining the time length of heating the refrigerator fan by the heating device according to the ambient humidity, the ambient temperature and the machine halt time length.
8. A refrigerator, characterized by comprising a refrigerator fan, the refrigerator realizing control of the refrigerator fan by the control method of the refrigerator fan according to any one of claims 1-7.

Description

Control method of refrigerator fan and refrigerator Technical Field The application relates to the technical field of refrigeration equipment, in particular to a control method of a refrigerator fan and a refrigerator. Background With the development of technology, people have increasingly larger refrigeration demands on refrigeration equipment such as refrigerators, air-cooled refrigerators are favored by consumers because of defrosting and good refrigeration effects, and air-cooled refrigerators often control the temperature of a refrigerator compartment through the start and stop of a refrigerator fan, for example, when the temperature of the compartment does not reach a preset temperature, the operation of the refrigerator fan is controlled, when the temperature of the compartment reaches the preset temperature, the operation of the refrigerator is controlled to stop, and the refrigerator fan is controlled to operate according to actual demands. In the refrigerator operation process, if the refrigerator fan is in a long time of stopping operation, water vapor and water drops are easily accumulated in structural parts of the fan and partial areas of the fan blades, and under the condition of low ambient temperature, the phenomenon of icing is easily formed at the fan, so that the fan cannot normally operate due to locked rotation. Disclosure of Invention The embodiment of the application provides a control method of a refrigerator fan and a refrigerator, which can solve the problem that the fan cannot normally operate due to freezing of the refrigerator fan. The embodiment of the application provides a control method of a refrigerator fan, which comprises the following steps: acquiring the working state of the refrigerator fan; if the refrigerator fan is in a stop state, acquiring the ambient temperature of the refrigerator; if the ambient temperature meets a first preset condition, controlling the refrigerator fan to operate according to a first operation strategy; and if the ambient temperature meets a second preset condition, controlling the refrigerator fan to operate according to a second operation strategy. Optionally, if the refrigerator fan is in a stop state, the obtaining the ambient temperature of the refrigerator includes: if the refrigerator fan is in a stop state, judging whether the refrigerator is in a defrosting stage or not; And if the refrigerator is not in the defrosting stage, acquiring the ambient temperature of the refrigerator. Optionally, if the ambient temperature meets a first preset condition, controlling the refrigerator fan to operate according to a first operation policy includes: if the ambient temperature is greater than an ambient temperature threshold, controlling the refrigerator fan to be started once every a first preset time period; if the environmental temperature meets a second preset condition, controlling the refrigerator fan to operate according to a second operation strategy comprises: And if the ambient temperature is not greater than the ambient temperature threshold, controlling the refrigerator fan to be started once every second preset time period, wherein the second preset time period is smaller than the first preset time period. Optionally, the controlling the refrigerator fan to be started once every a first preset time period includes: controlling the refrigerator fan to be started every a first preset time period; controlling the refrigerator fan to run for a first time period after starting and run for a second time period after stopping running, and then running for the first time period again, wherein the sum of the first time periods after starting and the sum of the second time periods after stopping running are smaller than the first preset time period; the refrigerator fan is started once every second preset time period Controlling the refrigerator fan to start every second preset time period; and after the refrigerator fan is started and stops running for a fourth time period, the third time period is run again, and the third time period is run at least twice, wherein the sum of the third time period and the fourth time period after the refrigerator fan is started is smaller than the second preset time period. Optionally, the controlling the refrigerator fan to start every first preset time period, controlling the refrigerator fan to run for a first time period after starting, and running for a second time period after stopping running for the first time period again, and running for the first time period at least twice, where the sum of the first time periods running after starting the refrigerator fan and the sum of the second time periods stopping running is smaller than the first preset time period, and the controlling the refrigerator fan to run for the second time period includes: Controlling the refrigerator fan to be started once every one hour; Controlling the refrigerator fan to run for ten seconds after being started, and after sto