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Fan and compressor control method in dehumidifying mode of variable frequency air conditioner

A frequency conversion air conditioner and control method technology, which is applied in air conditioning systems, space heating and ventilation, heating methods, etc., can solve the problems of high energy consumption, achieve safe and reliable system operation, solve high energy consumption, and achieve the effect of stable dehumidification control

Active Publication Date: 2019-09-20
GUANGDONG HIWAVE TECH
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  • Description
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Problems solved by technology

[0004] The purpose of the present invention is to address the deficiencies in the prior art, and provide a fan and compressor control method in the dehumidification mode of the inverter air conditioner, which can solve the problem of high energy consumption

Method used

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  • Fan and compressor control method in dehumidifying mode of variable frequency air conditioner
  • Fan and compressor control method in dehumidifying mode of variable frequency air conditioner
  • Fan and compressor control method in dehumidifying mode of variable frequency air conditioner

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Embodiment Construction

[0020] The present invention is further described in conjunction with the following examples.

[0021] A specific implementation of the fan and compressor control method in the dehumidification mode of the inverter air conditioner of the present invention, as shown in figure 1 As shown, a more conventional inverter air-conditioning system is taken as an example for illustration, including an evaporator 3, a compressor 4, a condenser 6 and an expansion valve 8 connected in sequence to form a closed-loop dehumidification system, the evaporator 3 and the condenser 6 are respectively equipped with an internal fan 1 and an external fan 7, and the side of the internal fan 1 is provided with a humidity sensor 2; the air conditioning system also includes a controller 5, an internal fan 1, a humidity sensor 2, a compressor 4, and an external fan 7 and the expansion valve 8 are respectively electrically connected to the controller 5 and controlled by the controller 5 . It should be not...

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Abstract

The invention relates to the technical field of variable frequency air conditioner dehumidifying, in particular to a fan and compressor control method in a dehumidifying mode of a variable frequency air conditioner. The method comprises the following steps that step a, the dehumidifying requirement Q is calculated; and step b, a fan and a compressor are logically controlled according to the dehumidifying requirement Q. Compared with the prior art, the dehumidifying requirement is accurately calculated, so that the frequency of the compressor is periodically adjusted according to the dehumidifying requirement and the rotating speed of the fan is periodically adjusted by stages according to the dehumidifying requirement, the problems that when the dehumidifying requirement is low, the compressor is frequently started and stopped, the dehumidifying effect is bad and energy is not saved are solved, the dehumidifying control of the variable frequency air conditioner is more stable, the system operation is safer and more reliable, and the problem of high energy consumption in the past is solved.

Description

technical field [0001] The invention relates to the technical field of frequency conversion air conditioner dehumidification, in particular to a method for controlling a fan and a compressor in the frequency conversion air conditioner dehumidification mode. Background technique [0002] There are roughly two types of fan and compressor control methods in the dehumidification mode of the existing frequency conversion computer room air conditioners: the first one, the compressor maintains the highest frequency output, and the fan speed is reduced (relative to the rated cooling speed) to fix the output; this control method The compressor maintains the highest frequency output, and the fan speed remains unchanged. After dehumidification is started under low dehumidification demand, the evaporation pressure drops rapidly because the compressor outputs at its maximum capacity, resulting in a rapid drop in the air supply temperature of the air conditioner. The volume change is smal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F3/14F24F11/65F24F11/70
CPCF24F3/14F24F11/65F24F11/70
Inventor 李伟瀚李敏华陈露润吴磊邓宗浩
Owner GUANGDONG HIWAVE TECH
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