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Indoor fan control method and device

A technology of indoor fan and control method, which is applied in heating and ventilation control system, space heating and ventilation control input, control input related to air characteristics, etc., and can solve the problems of neglecting energy saving, energy waste, consumption, etc.

Inactive Publication Date: 2017-03-08
GD MIDEA HEATING & VENTILATING EQUIP CO LTD +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Since the outdoor unit consumes most of the electric energy, many existing patents have covered the energy saving of the outdoor unit; however, as an indoor unit with relatively low energy consumption, the energy saving aspect is often ignored
At present, the wind gear of the indoor fan is set to a fixed gear. In order to ensure the effect of the indoor unit, the output of the indoor fan has a large margin, resulting in a lot of energy waste.

Method used

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  • Indoor fan control method and device

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no. 1 example

[0061] Further, refer to image 3 , is the second embodiment of the indoor fan control method of the present invention when the air conditioner is cooling, based on the first embodiment of the indoor fan control method of the present invention when the air conditioner is cooling, the difference between the actual evaporation pressure and the target evaporation pressure , the steps for adjusting the windshield of the indoor fan include:

[0062] Step S230A, when the difference between the actual evaporation pressure and the target evaporation pressure is less than the second deviation value in the continuous preset period, control the indoor fan to increase the wind speed.

[0063] Specifically, when Pe-Pes<ΔP2, it indicates that the cooling load is too low at this time, that is, the air volume is low, and the wind gear needs to be increased, and the indoor fan is controlled to increase n wind gears until ΔP2≤Pe-Pes≤ΔP1.

[0064] Further, the step of adjusting the windshield o...

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Abstract

The invention discloses an indoor fan control method and a device. The indoor fan control method has the following steps: when an air conditioner refrigerates, actual evaporation pressure is obtained, and is compared with preset target evaporation pressure, and an air level of an indoor fan is adjusted according to a difference value between the actual evaporation pressure and the target evaporation pressure; or, when the air conditioner heats, actual condensation pressure is obtained, and is compared with preset target condensation pressure, and the air level of the indoor fan is adjusted according to a difference value between the actual condensation pressure and the target condensation pressure. The indoor fan control method and device can reduce the energy consumption of an indoor unit.

Description

technical field [0001] The invention relates to the technical field of air conditioning, in particular to an indoor fan control method and device. Background technique [0002] In the context of global warming and frequent extreme climates, as a large energy consumer, heat pump air-conditioning systems urgently need to make a difference in energy conservation. Since the outdoor unit consumes most of the electric energy, many existing patents have covered the energy saving of the outdoor unit; however, as an indoor unit with relatively low energy consumption, the energy saving aspect is often neglected. At present, the wind gear of the indoor fan is set to a fixed gear. In order to ensure the effect of the indoor unit, the output of the indoor fan has a large margin, resulting in a lot of energy waste. Contents of the invention [0003] The main purpose of the present invention is to provide a method and device for controlling an indoor fan, aiming at reducing the energy c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/62F24F11/64F24F11/77F24F2110/00F24F2110/40Y02B30/70
Inventor 万永强许永锋熊美兵李波舒文涛钱小龙陈汝锋杨元涛尚建武
Owner GD MIDEA HEATING & VENTILATING EQUIP CO LTD
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