Control method of fresh air handling unit

A technology of fresh air unit and control method, which is applied in the direction of heating and ventilation control system, control input related to air characteristics, space heating and ventilation control input, etc., which can solve the problem of high energy consumption of fresh air unit, and reduce energy consumption and Ventilation speed, the effect of improving air quality

Pending Publication Date: 2020-04-24
GREE ELECTRIC APPLIANCES INC
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[0004] The main purpose of the present invention is to provide a control method for fresh air un

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  • Control method of fresh air handling unit

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[0018] It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

[0019] like figure 1 As shown, in order to achieve the above purpose, the embodiment of the present invention provides a control method for a fresh air unit, the fresh air unit includes: detecting the concentration of the indoor air quality factor; Two preset values ​​n 2 make a comparison; according to n vs n 2 Control the opening of the intake valve of the fresh air unit and the opening of the exhaust valve of the fresh air unit; wherein, the concentration of the indoor air quality factor is the concentration of PM2.5, or the concentration of CO2, or the concentration of TVOC; or , the concentration of indoor air quality factors is the comprehensive concentration o...

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Abstract

The invention provides a control method of a fresh air handling unit. The control method comprises the following steps: detecting the concentration of an indoor air quality factor; comparing the detected concentration value n of the indoor air quality factor with a second preset value n2; according to the comparison result of n and n2, controlling the opening degree of an air inlet valve of the fresh air handling unit and the opening degree of an exhaust valve of the fresh air handling unit, wherein the concentration of the indoor air quality factors is the concentration of PM2.5, or the concentration of CO2, or the concentration of TVOC, or the concentration of the indoor air quality factor is the overall concentration of at least two selected from the group consisting of the concentration of PM2.5, the concentration of CO2 and the concentration of TVOC. Through such a technical scheme provided by the invention, the technical problem of high energy consumption of a fresh air handlingunit in the prior art can be solved.

Description

technical field [0001] The present invention relates to the technical field of fresh air unit control, in particular to a control method for a fresh air unit. Background technique [0002] At present, with the improvement of people's living standards, users have higher and higher requirements for the quality of air in air-conditioned rooms. The outdoor fresh air is introduced into the room through the fresh air unit, which can effectively improve the indoor air quality. [0003] However, if a large amount of outdoor fresh air is continuously introduced through the fresh air unit, this will increase the load on the fresh air unit and the air conditioner, increase energy consumption, and reduce the fresh air efficiency. If a small amount of fresh air is introduced slowly, it will not be able to meet the urgent need for improving indoor air quality. Contents of the invention [0004] The main purpose of the present invention is to provide a control method of a fresh air unit...

Claims

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Application Information

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IPC IPC(8): F24F11/46F24F11/64F24F11/70F24F11/74F24F11/77F24F110/64F24F110/70F24F110/66F24F110/10F24F110/12
CPCF24F11/46F24F11/64F24F11/70F24F11/74F24F11/77F24F2110/10F24F2110/12F24F2110/64F24F2110/66F24F2110/70Y02B30/70
Inventor 董明珠谭建明夏光辉梁博陶梦春林金煌郑良剑伍衍亮曾庆和梁玉林刘雷明
Owner GREE ELECTRIC APPLIANCES INC
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