Control method of frequency conversion air conditioner

Abstract

The present invention relates to a control method of frequency conversion air conditioner capable of reducing vibration produced by low-speed operation of air conditioner. It is characterized by that when the temperature difference of the set temperature set by user and indoor temperature is less than rated temperature, at the same time of utilizing a certain operation frequency to operated compressor it can output energy efficiency compensation rate according to the operation frequency of compressor rotation interval load, and can utilize first operation frequency produced by changing rotation interval energy efficiency according to the energy efficiency compensation rate to operate compressor.

Description

technical field [0001] The present invention relates to a control method of an inverter air conditioner, more specifically, a control method of an inverter air conditioner capable of reducing the vibration generated when a compressor operates at a low speed. Background technique [0002] Generally speaking, an air conditioner is mainly a device for heating and cooling a certain space, and additionally has functions such as dehumidification and cleaning. An air conditioner that uses an inverter to drive a compressor in this type of air conditioner is called an inverter air conditioner. Inverter air conditioners control the number of rotations of the compressor according to the cooling or heating load conditions, thereby being able to change the circulation amount of the condensing agent. At this time, the rotation speed of the compressor can be controlled by changing the frequency of the power supply for driving the motor of the compressor, that is, changing the operating fr...

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Problems solved by technology

[0005] However, in the conventional inverter air conditioner control method, when the compressor is operated at a low frequency of approximately 35 Hz and a low speed, which is suitable for step 1, vibrations are induced in the compressor and peripheral piping, etc., which may cause cracks and ruptures. Severe vibration, which may reduce the reliability of compressor operation

[0006] In addition, in order to prevent these, when the operating frequency applicable to step 1 is set to a higher frequency, the speed of change of the indoor temperature will be accelerated, making it difficult to maintain the set temperature desired by the user for a long time, and the annual power consumption will also decrease. raised

[0007] This shows that the control method of above-mentioned existing frequency conversion air conditioner obviously still has inconvenience and defect in use, and urgently needs to be further improved

In order to solve the problems existing in the control method of the inverter air conditioner, the relevant manufacturers have tried their best to find a solution, but no suitable design has been developed for a long time, and there is no suitable method to solve the above problems, which is obvious. It is a problem that relevant industry players are eager to solve

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