CN-121993865-A - Fan control method and device of air conditioner

CN121993865ACN 121993865 ACN121993865 ACN 121993865ACN-121993865-A

Abstract

The invention discloses a fan control method and device of an air conditioner. The method comprises the steps of triggering an inner fan and an outer fan of an air conditioner to enter a quick drying mode after a compressor of the air conditioner is determined to stop, adjusting a first rotating speed of the inner fan to obtain a third rotating speed after the inner fan and the outer fan are determined to enter the quick drying mode, adjusting a second rotating speed of the outer fan to obtain a fourth rotating speed, obtaining a first tube temperature of an indoor heat exchanger of the air conditioner after the first rotating speed and the second rotating speed are determined to be adjusted, determining an adjusting strategy of the inner fan and/or the outer fan according to a size relation between the first tube temperature and a preset tube temperature, and controlling the inner fan and/or the outer fan to act according to the adjusting strategy so that the indoor heat exchanger is in a dry state. The invention solves the technical problems that the evaporator is slower to dry under partial working conditions and the indoor air instruction cannot be improved well due to the lack of pressure balance process control of the air conditioning system in the related art.

Inventors

Li Muhu
XIA GUANGHUI
HE ZHENJIAN
LIN JINHUANG
LIANG BO
WANG XIAOQIAN

Assignees

珠海格力电器股份有限公司

Dates

Publication Date: 20260508
Application Date: 20241104

Claims (14)

1. A fan control method of an air conditioner, comprising: triggering an inner fan and an outer fan of the air conditioner to enter a quick drying mode after determining that a compressor of the air conditioner is stopped; After the inner fan and the outer fan enter the quick drying mode, adjusting the first rotating speed of the inner fan to obtain a third rotating speed, and adjusting the second rotating speed of the outer fan to obtain a fourth rotating speed, wherein the first rotating speed and the second rotating speed are both rotating speeds before the compressor is stopped, the third rotating speed is smaller than the first rotating speed, and the fourth rotating speed is smaller than the second rotating speed; After the first rotating speed and the second rotating speed are determined to be adjusted, acquiring a first tube temperature of an indoor heat exchanger of the air conditioner; determining an adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the first pipe temperature and the preset pipe temperature; And controlling the inner fan and/or the outer fan to act according to the adjustment strategy so as to enable the indoor heat exchanger to be in a dry state.
2. The method of controlling a blower of an air conditioner according to claim 1, wherein triggering the inner blower and the outer blower of the air conditioner to enter a rapid drying mode comprises: when the air conditioner is in a refrigeration mode, acquiring a first indoor environment temperature in a target room where the air conditioner is located; And when the first indoor environment temperature is less than or equal to a first temperature difference threshold value, controlling the compressor to stop, and triggering the inner fan and the outer fan to enter the quick drying mode.
3. The fan control method of an air conditioner according to claim 2, further comprising, after triggering the inner fan and the outer fan of the air conditioner to enter a quick drying mode: acquiring a second indoor environment temperature of the target room; when the second indoor environment temperature is determined to be smaller than a second temperature difference threshold value, controlling the inner fan and the outer fan to continuously maintain the quick drying mode, wherein the first temperature difference threshold value is smaller than the second temperature difference threshold value; And controlling the inner fan and the outer fan to exit the quick drying mode when the second indoor environment temperature is determined to be greater than or equal to the second temperature difference threshold value.
4. The fan control method of an air conditioner according to claim 1, wherein adjusting the first rotation speed of the inner fan to obtain a third rotation speed and adjusting the second rotation speed of the outer fan to obtain a fourth rotation speed includes: acquiring the first rotating speed of the inner fan before the compressor is stopped and the second rotating speed of the outer fan before the compressor is stopped; and controlling the internal fan to be closed or the first rotating speed to be reduced to the third rotating speed, and controlling the second rotating speed to be reduced to the fourth rotating speed.
5. The fan control method of an air conditioner according to claim 1, wherein determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the first tube temperature and a preset tube temperature comprises: When the magnitude relation indicates that the first pipe temperature is greater than or equal to the preset pipe temperature, determining the adjustment strategy, wherein the adjustment strategy comprises the steps of controlling the outer fan to be closed, controlling the inner fan to be adjusted to a fifth rotating speed, and enabling the third rotating speed to be smaller than the fifth rotating speed; when the magnitude relation indicates that the first tube temperature is smaller than the preset tube temperature, acquiring a second indoor environment temperature of a target room where the air conditioner is located and a second tube temperature of the indoor heat exchanger; Determining an indoor heat exchange temperature difference between the second indoor environment temperature and the second pipe temperature; And determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the indoor heat exchange temperature difference and the indoor heat exchange temperature difference threshold.
6. The method according to claim 5, wherein determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the indoor heat exchange temperature difference and an indoor heat exchange temperature difference threshold value comprises: When the indoor heat exchange temperature difference is greater than or equal to the indoor heat exchange temperature difference threshold value, acquiring a first continuous operation duration of the outer fan; When the first continuous operation duration is smaller than a continuous operation duration threshold, acquiring the outdoor environment temperature of the target room and the third pipe temperature of the outdoor heat exchanger of the air conditioner; when the outdoor heat exchange temperature difference between the outdoor environment temperature and the third pipe temperature is smaller than or equal to an outdoor heat exchange temperature difference threshold value, obtaining a second continuous operation duration of which the outdoor heat exchange temperature difference is smaller than or equal to the outdoor heat exchange temperature difference threshold value; And determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the second continuous operation duration and a second continuous operation duration threshold.
7. The method according to claim 5, wherein determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the indoor heat exchange temperature difference and an indoor heat exchange temperature difference threshold value comprises: when the indoor heat exchange temperature difference is smaller than the indoor heat exchange temperature difference threshold value, counting the duration time that the indoor heat exchange temperature difference is smaller than the indoor heat exchange temperature difference threshold value; When the duration time is greater than or equal to a duration time threshold, determining the adjustment strategy to be that the outer fan is controlled to be closed, and the inner fan is controlled to be adjusted to a sixth rotating speed, wherein the sixth rotating speed is less than or equal to a fifth rotating speed; And returning to determine the adjustment strategy of the inner fan and/or the outer fan again according to the magnitude relation between the indoor heat exchange temperature difference and the indoor heat exchange temperature difference threshold when the duration is smaller than the duration threshold.
8. The fan control method of an air conditioner according to claim 6, further comprising: And when the first continuous operation time length is greater than or equal to the continuous operation time length threshold value, determining the adjustment strategy to control the outer fan to be closed and the inner fan to be adjusted to a sixth rotating speed, wherein the sixth rotating speed is smaller than or equal to a fifth rotating speed.
9. The method according to claim 6, wherein determining the adjustment strategy of the inner fan and/or the outer fan according to the magnitude relation between the second duration of continuous operation and a second duration of continuous operation threshold value comprises: and when the second continuous operation time length is greater than or equal to the second continuous operation time length threshold value, determining the adjustment strategy, namely controlling the outer fan to be closed, and controlling the inner fan to be adjusted to a sixth rotating speed, wherein the sixth rotating speed is smaller than or equal to a fifth rotating speed.
10. A fan control apparatus of an air conditioner, comprising: the triggering module is used for triggering an inner fan and an outer fan of the air conditioner to enter a quick drying mode after the compressor of the air conditioner is determined to stop; The adjusting module is used for adjusting the first rotating speed of the inner fan to obtain a third rotating speed and adjusting the second rotating speed of the outer fan to obtain a fourth rotating speed after the inner fan and the outer fan are determined to enter the quick drying mode, wherein the first rotating speed and the second rotating speed are both rotating speeds before the compressor is stopped, the third rotating speed is smaller than the first rotating speed, and the fourth rotating speed is smaller than the second rotating speed; the first acquisition module is used for acquiring a first tube temperature of an indoor heat exchanger of the air conditioner after the first rotating speed and the second rotating speed are determined to be adjusted; The determining module is used for determining an adjusting strategy of the inner fan and/or the outer fan according to the magnitude relation between the first pipe temperature and the preset pipe temperature; The first control module is used for controlling the inner fan and/or the outer fan to act according to the adjustment strategy so as to enable the indoor heat exchanger to be in a dry state.
11. An air conditioner characterized in that the air conditioner uses the fan control method of the air conditioner according to any one of the above claims 1 to 9.
12. A computer-readable storage medium, characterized in that the computer-readable storage medium includes a stored program, wherein the program executes the fan control method of the air conditioner of any one of claims 1 to 9.
13. A processor for running a program, wherein the program runs to execute the fan control method of the air conditioner according to any one of claims 1 to 9.
14. A computer program product comprising computer instructions which, when executed by a processor, perform the fan control method of an air conditioner of any one of claims 1 to 9.

Description

Fan control method and device of air conditioner Technical Field The invention relates to the technical field of household appliance control, in particular to a fan control method and device of an air conditioner. Background The number of indoor ventilation times of partial personnel is small at present, and under the relatively airtight condition, indoor air quality is poor, and user's use experience is uncomfortable, and the air conditioner bears the effect of improving air quality. The existing variable frequency air conditioner control mainly focuses on room temperature control and energy consumption, when the air conditioner compressor is in low-frequency operation or stops when reaching a temperature point, the outer fan stops operating, the inner fan continuously operates, and the system pressure tends to be balanced. However, under different working conditions, the pressure balance process of the system is different, and the air conditioner does not accurately control the process, so that the evaporator of the air conditioner is always in a repeated process from wetting to drying, the improvement effect on the air quality is poor, and the use experience of a user is affected. In view of the above problems, no effective solution has been proposed at present. Disclosure of Invention The embodiment of the invention provides a fan control method and device for an air conditioner, which at least solve the technical problems that an evaporator is slower to dry under partial working conditions and an indoor air instruction cannot be well improved due to the fact that an air conditioning system in the related art lacks of pressure balance process control. According to one aspect of the embodiment of the invention, a fan control method of an air conditioner is provided, and the fan control method comprises the steps of triggering an inner fan and an outer fan of the air conditioner to enter a quick drying mode after a compressor of the air conditioner is determined to stop, adjusting a first rotating speed of the inner fan to obtain a third rotating speed, and adjusting a second rotating speed of the outer fan to obtain a fourth rotating speed after the inner fan and the outer fan are determined to enter the quick drying mode, wherein the first rotating speed and the second rotating speed are both the rotating speed before the compressor stops, the third rotating speed is smaller than the first rotating speed, the fourth rotating speed is smaller than the second rotating speed, acquiring a first pipe temperature of an indoor heat exchanger of the air conditioner after the first rotating speed and the second rotating speed are determined to be adjusted, determining an adjustment strategy of the inner fan and/or the outer fan according to a size relation between the first pipe temperature and a preset pipe temperature, and controlling the inner fan and/or the outer fan to be in an action state of the indoor heat exchanger according to the adjustment strategy. Optionally, triggering the inner fan and the outer fan of the air conditioner to enter a quick drying mode comprises the steps of acquiring a first indoor environment temperature in a target room where the air conditioner is located when the air conditioner is in a refrigerating mode, and controlling the compressor to stop and triggering the inner fan and the outer fan to enter the quick drying mode when the first indoor environment temperature is determined to be smaller than or equal to a first temperature difference threshold value. Optionally, after triggering an inner fan and an outer fan of the air conditioner to enter a quick drying mode, the fan control method of the air conditioner further comprises the steps of obtaining a second indoor environment temperature of the target room, controlling the inner fan and the outer fan to continuously maintain the quick drying mode when the second indoor environment temperature is determined to be smaller than a second temperature difference threshold value, wherein the first temperature difference threshold value is smaller than the second temperature difference threshold value, and controlling the inner fan and the outer fan to exit the quick drying mode when the second indoor environment temperature is determined to be larger than or equal to the second temperature difference threshold value. Optionally, adjusting the first rotation speed of the inner fan to obtain a third rotation speed, and adjusting the second rotation speed of the outer fan to obtain a fourth rotation speed, including obtaining the first rotation speed of the inner fan before the compressor is stopped and the second rotation speed of the outer fan before the compressor is stopped, controlling the inner fan to be closed or the first rotation speed to be reduced to the third rotation speed, and controlling the second rotation speed to be reduced to the fourth rotation speed. Optionally, determining the adjustment strategy of the inner f