CN-117053372-B - Air volume control method and device, air conditioner indoor unit and storage medium

CN117053372BCN 117053372 BCN117053372 BCN 117053372BCN-117053372-B

Abstract

The embodiment of the application discloses an air volume control method, an air conditioner indoor unit and a storage medium, wherein the air conditioner indoor unit is provided with a first temperature sensing part used for acquiring the temperature of a motor and a second temperature sensing part used for acquiring the ambient temperature, the rated temperature difference is a difference value between the temperature of the motor and the ambient temperature when the air conditioner indoor unit runs at a preset rotating speed under the rated static pressure, the motor of the air conditioner indoor unit is controlled to run at the preset rotating speed under the current static pressure, the target temperature difference of the air conditioner indoor unit under the current static pressure is calculated according to the current motor temperature acquired by the first temperature sensing part and the current ambient temperature acquired by the second temperature sensing part, and a motor rotating speed regulation strategy of the air conditioner indoor unit under the current static pressure is determined according to the difference between the target temperature difference and the rated temperature difference, so that the air volume of the air conditioner indoor unit under different static pressures is controlled to be constant, and the air volume output by the air conditioner indoor unit under different static pressures is controlled to be constant.

Inventors

JIAN ZHUOHAO
LI JIANCHENG
LI YUHANG

Assignees

广东TCL智能暖通设备有限公司

Dates

Publication Date: 20260512
Application Date: 20230825

Claims (9)

1. An air volume control method, characterized by being applied to an air conditioner indoor unit provided with a first temperature sensing part for acquiring a temperature of a motor and a second temperature sensing part for acquiring an ambient temperature, the method comprising: Acquiring a rated temperature difference of the air conditioner internal unit, wherein the rated temperature difference is a difference value between the temperature of a motor and the temperature of the environment when the air conditioner internal unit operates at a preset rotating speed under rated static pressure; controlling a motor of the air conditioner indoor unit to operate at the preset rotating speed under the current static pressure; calculating a target temperature difference of the air conditioner indoor unit under the current static pressure according to the current motor temperature acquired by the first temperature sensing component and the current environment temperature acquired by the second temperature sensing component; The method comprises the steps of determining a motor rotating speed regulating strategy of the air conditioner indoor unit under the current static pressure according to a difference between the target temperature difference and the rated temperature difference, wherein the motor rotating speed regulating strategy comprises the steps of calculating the temperature deviation of the target temperature difference and the rated temperature difference, determining the motor rotating speed regulating strategy to be used for keeping the rotating speed of a motor of the air conditioner indoor unit if the temperature deviation is in a rotating speed keeping interval, determining the motor rotating speed regulating strategy to be used for improving the rotating speed of the motor if the temperature deviation is in an accelerating interval, wherein any value in the accelerating interval is larger than the value in the rotating speed keeping interval, determining the motor rotating speed regulating strategy to be used for reducing the rotating speed of the motor if the temperature deviation is in a decelerating interval, and determining any value in the decelerating interval to be smaller than the value in the rotating speed keeping interval so as to control the air quantity of the air conditioner indoor unit to be constant under different static pressures.
2. The method of claim 1, wherein the acceleration interval includes a first acceleration sub-interval and a second acceleration sub-interval, any value in the first acceleration sub-interval being greater than a value in the second acceleration sub-interval, and wherein determining the motor speed adjustment strategy to increase the motor speed if the temperature deviation is within the acceleration interval includes: If the temperature deviation is in the first acceleration subinterval, determining the motor rotation speed regulating strategy to control the rotation speed of the motor to increase by a first rotation speed increment; And if the temperature deviation is in the second acceleration subinterval, determining the motor rotation speed regulating strategy to control the rotation speed of the motor to increase by a second rotation speed increment, wherein the second rotation speed increment is larger than the first rotation speed increment.
3. The method of claim 1, wherein the speed reduction interval includes a first speed reduction sub-interval and a second speed reduction sub-interval, any value in the first speed reduction sub-interval being greater than a value in the second speed reduction sub-interval, and wherein determining the motor speed adjustment strategy to reduce the motor speed if the temperature deviation is within the speed reduction interval includes: If the temperature deviation is in the first speed reduction subinterval, determining the motor rotation speed regulating strategy to control the rotation speed of the motor to reduce by a first rotation speed decrement; And if the temperature deviation is in the second speed reducer section, determining the motor rotation speed regulating strategy to control the rotation speed of the air conditioner internal unit to reduce by a second rotation speed decrement, wherein the second rotation speed decrement is larger than the first rotation speed decrement.
4. The method of claim 1, wherein said determining said motor speed regulation strategy for said air conditioner after said current static pressure based on a gap between said target temperature difference and said nominal temperature difference, said method further comprises: responding to an air quantity adjusting instruction aiming at the air conditioner indoor unit, and determining the motor rotating speed corresponding to the air quantity adjusting instruction; the motor rotating speed is regulated according to the motor rotating speed regulating strategy, and the regulated motor rotating speed is obtained; and controlling the motor to run at the adjusted motor rotating speed.
5. The method of any one of claims 1-4, wherein said obtaining a rated temperature differential of the air conditioner comprises: responding to a constant air quantity control instruction aiming at a target wind gear, and determining a preset rotating speed corresponding to the target wind gear; and acquiring a rated temperature difference when the air conditioner indoor unit runs at the preset rotating speed under the rated static pressure.
6. The method according to any one of claims 1 to 4, wherein the air conditioner indoor unit is equipped with a photosensitive member, and the obtaining of the rated temperature difference of the air conditioner indoor unit comprises: collecting the ambient brightness of the installation environment of the air conditioner indoor unit through the photosensitive component; and if the ambient brightness changes, acquiring the rated temperature difference of the air conditioner indoor unit.
7. An air volume control device for an air conditioner indoor unit provided with a first temperature sensing part for acquiring a temperature of a motor and a second temperature sensing part for acquiring an ambient temperature, the device comprising: The acquisition unit is used for acquiring the rated temperature difference of the air conditioner internal unit, wherein the rated temperature difference is the difference between the temperature of the motor and the ambient temperature when the air conditioner internal unit operates at a preset rotating speed under rated static pressure; The control unit is used for controlling the motor of the air conditioner indoor unit to run at the preset rotating speed under the current static pressure; the calculating unit is used for calculating a target temperature difference of the air conditioner indoor unit under the current static pressure according to the current motor temperature acquired by the first temperature sensing component and the current environment temperature acquired by the second temperature sensing component; The strategy determining unit is used for determining a motor rotating speed adjusting strategy of the air conditioner internal unit under the current static pressure according to the difference between the target temperature difference and the rated temperature difference, and comprises the steps of calculating the temperature deviation of the target temperature difference and the rated temperature difference, determining the motor rotating speed adjusting strategy to be used for keeping the rotating speed of the motor of the air conditioner internal unit if the temperature deviation is in a rotating speed keeping interval, determining the motor rotating speed adjusting strategy to be used for improving the rotating speed of the motor if the temperature deviation is in an accelerating interval, wherein any value in the accelerating interval is larger than the value in the rotating speed keeping interval, determining the motor rotating speed adjusting strategy to be used for reducing the rotating speed of the motor if the temperature deviation is in a decelerating interval, and any value in the decelerating interval is smaller than the value in the rotating speed keeping interval so as to control the air quantity of the air conditioner internal unit to be constant under different static pressures.
8. An air conditioner indoor unit comprising a memory and a processor, wherein the memory stores a computer program, and the processor is configured to run the computer program in the memory to perform the air volume control method according to any one of claims 1 to 6.
9. A computer-readable storage medium storing a computer program loaded by a processor to execute the air volume control method according to any one of claims 1 to 6.

Description

Air volume control method and device, air conditioner indoor unit and storage medium Technical Field The application relates to the technical field of communication, in particular to an air volume control method, an air volume control device, an air conditioner indoor unit and a storage medium, wherein the storage medium is a computer readable storage medium. Background Under different installation scenes, the resistance to air supply of the air conditioner indoor unit is different, the resistance to air supply of the air conditioner indoor unit can be static pressure, if the resistance to air supply of the installation position is larger, the static pressure is larger, and if the resistance to air supply of the installation position is smaller, the static pressure is smaller. In general, different wind shields of the air conditioner at the installation position have corresponding fixed rotating speeds, the corresponding wind quantity of the same wind shield under different static pressures is different, the static pressure is increased, the wind quantity is reduced, the cooling effect is poor during refrigeration, the static pressure is reduced, the wind quantity of the air conditioner is increased, and larger wind quantity often generates larger noise to influence rest, work and living of owners. Disclosure of Invention The embodiment of the application provides an air volume control method, an air volume control device, an air conditioner indoor unit and a storage medium, which can control the air volume of the air conditioner indoor unit to be constant under different static pressures. The embodiment of the application provides an air volume control method, which is applied to an air conditioner indoor unit, wherein the air conditioner indoor unit is provided with a first temperature sensing part for acquiring the temperature of a motor and a second temperature sensing part for acquiring the temperature of the environment, and the method comprises the following steps: Acquiring a rated temperature difference of the air conditioner internal unit, wherein the rated temperature difference is a difference value between the temperature of a motor and the temperature of the environment when the air conditioner internal unit operates at a preset rotating speed under rated static pressure; controlling a motor of the air conditioner indoor unit to operate at the preset rotating speed under the current static pressure; calculating a target temperature difference of the air conditioner indoor unit under the current static pressure according to the current motor temperature acquired by the first temperature sensing component and the current environment temperature acquired by the second temperature sensing component; And determining a motor rotating speed regulating strategy of the air conditioner internal unit under the current static pressure according to the difference between the target temperature difference and the rated temperature difference so as to control the air quantity of the air conditioner internal unit to be constant under different static pressures. Correspondingly, the embodiment of the application also provides an air quantity control device, which comprises: The acquisition unit is used for acquiring the rated temperature difference of the air conditioner internal unit, wherein the rated temperature difference is the difference between the temperature of the motor and the ambient temperature when the air conditioner internal unit operates at a preset rotating speed under rated static pressure; The control unit is used for controlling the motor of the air conditioner indoor unit to run at the preset rotating speed under the current static pressure; the calculating unit is used for calculating a target temperature difference of the air conditioner indoor unit under the current static pressure according to the current motor temperature acquired by the first temperature sensing component and the current environment temperature acquired by the second temperature sensing component; and the strategy determining unit is used for determining a motor rotating speed regulating strategy of the air conditioner internal unit under the current static pressure according to the difference between the target temperature difference and the rated temperature difference so as to control the air quantity of the air conditioner internal unit under different static pressures to be constant. In an embodiment, the policy determining unit includes: A deviation calculation subunit for calculating the temperature deviation of the target temperature difference and the rated temperature difference; A first rotational speed strategy determining subunit, configured to determine that the motor rotational speed adjustment strategy is to maintain the rotational speed of the motor of the air conditioner indoor unit if the temperature deviation is within a rotational speed maintaining interval; a second rotational speed strategy de