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Variable frequency air conditioner and control method and device thereof

A technology of frequency conversion air conditioner and control method, which is applied in the field of control device, control method of frequency conversion air conditioner, and frequency conversion air conditioner, and can solve problems such as user discomfort and air humidity drop

Active Publication Date: 2015-02-25
GREE ELECTRIC APPLIANCES INC
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the inverter air conditioner runs for cooling for a long time, it will cause the indoor air humidity to drop, causing users to feel uncomfortable.

Method used

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  • Variable frequency air conditioner and control method and device thereof
  • Variable frequency air conditioner and control method and device thereof
  • Variable frequency air conditioner and control method and device thereof

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Embodiment Construction

[0068] The invention discloses a control method of a frequency conversion air conditioner, which can adjust the humidity of indoor air and reduce the system energy consumption of the frequency conversion air conditioner.

[0069] The control method of the frequency converter disclosed in the present invention comprises:

[0070] When the first preset condition is met, it is judged whether the current indoor environment needs dehumidification treatment;

[0071] When it is determined that dehumidification treatment is not required, perform a separate cooling operation within the first period of time, and then return to the step of judging whether the current indoor environment requires dehumidification treatment, and perform a separate cooling operation, including:

[0072] Obtain the tube temperature of the evaporator and the dew point temperature of the indoor air;

[0073] When the tube temperature is not higher than the dew point temperature, if the current operating frequ...

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PUM

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Abstract

A control method for an inverter air conditioner comprises: when it is determined that dehumidifying operation is not needed, a compressor is controlled to maintain the current frequency if the pipe temperature of an evaporator is higher than the dew point temperature of the indoor air, the frequency of the compressor is reduced on the premise that the compressor is allowed to reduce the frequency if the pipe temperature of the evaporator is not higher than the dew point temperature of the indoor air; when it is determined that dehumidifying operation is needed, the operation frequency of the compressor is controlled by comparing the pipe temperature of the evaporator with the dew point temperature of the indoor air, such that the inverter air conditioner performs dehumidification while cooling and reducing the temperature. A control device for the inverter air conditioner and the inverter air conditioner are also disclosed.

Description

technical field [0001] The invention belongs to the technical field of electrical equipment control, and in particular relates to a control method, a control device and a frequency conversion air conditioner. Background technique [0002] Now more and more inverter air conditioners appear in people's lives. The existing air conditioning control method is based on the set temperature of the air conditioner for cooling control. When the difference between the indoor ambient temperature and the set temperature is large, the frequency of the compressor of the inverter air conditioner is increased. When the indoor environment When the difference between the temperature and the set temperature is small, the frequency of the compressor of the inverter air conditioner is reduced. [0003] However, according to the existing control method, the temperature of the evaporator tube of the inverter air conditioner may be too low. When the tube temperature of the evaporator is lower than...

Claims

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Application Information

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IPC IPC(8): F24F11/00
CPCF24F2110/00F24F11/30F24F11/70F24F11/86F24F11/83
Inventor 何振健
Owner GREE ELECTRIC APPLIANCES INC
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