Rotation speed control method and device of air supply motor of air conditioner

Abstract

The invention discloses a rotation speed control method of an air supply motor of an air conditioner. The rotation speed control method comprises the steps of determining the relation between the working position of an air guide device of the air conditioner and the target air supply quantity and the relation between the working position of the air guide device of the air conditioner and the actual air supply quantity in advance; acquiring the current working position of the air guide device; regulating the rotation speed of the air supply motor according to the current working position and the relations to regulate the actual air supply quantity and make the actual air supply quantity approximate to the target air supply quantity. When the air direction of the air conditioner is changed, it can be guaranteed to the maximum degree that the quantity of air actually supplied by the air conditioner is approximate to the target air quantity required by a user, it is avoided that the air supply quantity is greatly decreased at the working position with large air resistance, and therefore the refrigerating effect or the heating effect can be effectively controlled and the energy consumption can be reduced to the maximum degree. Meanwhile, rotation speed compensation is determined according to a preset level of noise so that the working noise can be effectively controlled and the noise of the air conditioner will not exceed an original target value on the basis that the actual air supply quantity is increased. On the basis, the invention further provides a rotation speed control device, adopting the method, of the air supply motor of the air conditioner.

Description

technical field [0001] The invention relates to the technical field of air conditioner control, in particular to a method and device for controlling the rotational speed of an air supply motor of an air conditioner. Background technique [0002] The air supply motor of the air conditioner is used to provide a certain amount of air supply according to the needs, and the change of its rotational speed directly affects the actual air supply volume. In the prior art, the general air conditioner adjusts the corresponding indoor air supply motor speed according to the high, medium and low gears set by the remote controller. When the gear is constant, the air supply motor speed is also constant. [0003] However, in practical applications, it is often necessary to adjust the direction of the air guide, that is, to adjust the air guide device composed of the upper and lower air guide swing leaves and the left and right air guide swing leaves of the indoor unit, so as to meet the cor...

AI Technical Summary

Problems solved by technology

As a result, the air volume and noise vary greatly under the same speed of the blower motor

In particular, the air guide device has a great influence on the air volume at some extreme positions, causing the actual air volume to drop sharply. For example, the actual air volume of the air supply at the lower left limit position of the high-end position is much lower than the direct air volume of the high-end position, which directly affects the cooling. or heating effect, leading to increased energy consumption

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