Operation control method of air-conditioning unit for integrated treatment of cooling, heating and fresh air

An air-conditioning unit and operation control technology, applied in the field of control, can solve the problems of large thermal inertia, single operation mode, complex coupling influence of indoor and outdoor climate parameters, etc., to achieve the effect of low energy consumption and reduction of hot and cold mixing

Active Publication Date: 2022-05-10
SOUTHEAST UNIV
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Problems solved by technology

[0005] Purpose of the invention: The purpose of the present invention is to provide an operation control method for integrated cooling, heating and fresh air processing air conditioning units, aiming at the characteristics of large thermal inertia of the cooling, heating and fresh air integrated processing units and complicated coupling effects of indoor and outdoor climate parameters, to solve the current There is a problem of single operation mode and lack of overall high-efficiency and energy-saving operation mode

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  • Operation control method of air-conditioning unit for integrated treatment of cooling, heating and fresh air
  • Operation control method of air-conditioning unit for integrated treatment of cooling, heating and fresh air
  • Operation control method of air-conditioning unit for integrated treatment of cooling, heating and fresh air

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[0080] The present invention will be further described below in conjunction with the accompanying drawings.

[0081] Such as Figure 1-7 As shown, the integrated cooling, heating and fresh air processing air conditioning unit includes three circulation circuits: refrigerant circuit, solution circuit, and hot and cold water circuit, and can realize five operating modes: cooling and dehumidification, cooling, dehumidification, heating and humidification, and heating . Such as image 3 , by sending chilled water and dehumidified air to the room to achieve cooling and dehumidification of the room. Such as Figure 4 , by sending chilled water to the indoor radiation terminal 12 to realize the cooling of the room. Such as Figure 5 , to dehumidify the room by sending dehumidified air into the room. Such as Figure 6 , by sending hot water and humidified air to the room to achieve heating and humidification of the room. Such as Figure 7, by sending hot water to the indoor r...

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Abstract

The invention discloses an operation control method for an air-conditioning unit that integrates cooling, heating and fresh air. The control method of the operation mode realizes heat and humidity control by regulating the variable load operation of each circuit in the air conditioning system. The invention can control the operation of various modes of the air conditioning unit, and can adapt to the operation of variable working conditions throughout the year. The means of pre-dehumidification and pre-humidification are used in the operation, which effectively avoids the harm caused by condensation at the radiation end. The operation realizes the purpose of controlling temperature and humidity, the control method is intelligent and simple, the mixing of cold and heat is reduced in the operation of variable load of the solution, and the concentrated solution is stored for energy storage at the same time, which has the advantages of high energy efficiency and low energy consumption.

Description

technical field [0001] The invention relates to a control method, in particular to an operation control method for an air conditioning unit that integrates cooling, heating and fresh air. Background technique [0002] With the rise of living standards, people's requirements for thermal comfort in the residential building environment are also increasing. As a new type of air conditioning terminal, the radiant cooling / heating system has the advantages of low energy consumption, high thermal comfort, low noise, Significant advantages such as saving building space have received widespread attention. Under refrigeration conditions, due to the low surface temperature of the radiant cooling end and the high relative humidity in the room, condensation will occur on the surface of the radiant end. The condensation will cause mildew, hair growth, rust, and corrosion on the object At this time, efficient indoor dehumidification means are the technical key to avoid condensation at the ...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/30F24F11/64F24F11/65F24F11/72F24F11/84F24F11/85F24F11/86F24F11/88F24F110/10F24F110/20
CPCF24F11/30F24F11/64F24F11/65F24F11/72F24F11/84F24F11/85F24F11/86F24F11/88F24F2110/10F24F2110/20
Inventor 殷勇高吴杨王远
Owner SOUTHEAST UNIV
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