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Air-conditioning unit throttling control method and air-conditioning unit

A technology for throttling control and air conditioning units, which is applied to the control input involving air characteristics, space heating and ventilation control input, heating and ventilation control systems, etc. It can solve problems such as poor flow regulation capability and meet flow regulation needs. , Avoid large changes and increase the effect of flow adjustment control range

Active Publication Date: 2016-08-31
QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a throttling control method for an air-conditioning unit and an air-conditioning unit, which solves the problem of poor flow regulation ability

Method used

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  • Air-conditioning unit throttling control method and air-conditioning unit
  • Air-conditioning unit throttling control method and air-conditioning unit
  • Air-conditioning unit throttling control method and air-conditioning unit

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Embodiment Construction

[0047] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0048] This embodiment proposes a throttling control method for air-conditioning units and air-conditioning units, which have strong flow adjustment capabilities, can meet the throttling requirements of units with large differences in working conditions and large-load units, and improve the stability and safety of air-conditioning units. sex. The air-conditioning unit and the throttling control method of the air-conditioning unit will be described below.

[0049] The air conditioner unit mainly includes compressor 1, condenser 2, evaporator 3, throttling execution parts and throttling control unit, etc., see figure 1 As shown, the compressor 1, the condenser 2, and the evaporator 3 are connected through pipelines, and the throttling execution part...

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Abstract

The invention discloses an air-conditioning unit throttling control method and an air-conditioning unit. The air-conditioning unit comprises a compressor, a condenser, an evaporator, a throttling executive component and a throttling control unit. The throttling executive component is connected with a connecting pipeline of the condenser and the evaporator in series. The throttling executive component comprises a first throttling pipeline, a second throttling pipeline and a third throttling pipeline. An electronic expansion valve is arranged on the first throttling pipeline. A solenoid valve is arranged on the second throttling pipeline. A pore plate is arranged on the third throttling pipeline. The method comprises the steps of acquiring an actual detection value, comparing the actual detection value with a high set value and a low set value, and controlling the electronic expansion valve and the solenoid valve according to the comparison result. According to the air-conditioning unit throttling control method and the air-conditioning unit, the pore plate, the electronic expansion valve and the solenoid valve are connected in parallel, the opening degree of the electronic expansion valve is controlled, and on-off of the solenoid valve is controlled; the flow regulation control range is enlarged, the flow regulation capacity is improved, and the operation stability and safety of the unit are improved.

Description

technical field [0001] The invention belongs to the technical field of air conditioning, and in particular relates to an air conditioning unit and a throttling control method of the air conditioning unit. Background technique [0002] For a large heat pump unit, because it includes two working conditions of cooling and heating, the flow rate of the refrigerant in the two working conditions is quite different, and the throttling area of ​​the orifice throttling usually used is not variable, resulting in the flow adjustment of the unit. Poor ability. Contents of the invention [0003] The invention provides an air-conditioning unit throttling control method and the air-conditioning unit, which solves the problem of poor flow regulation ability. [0004] In order to solve the problems of the technologies described above, the present invention adopts the following technical solutions to achieve: [0005] A throttling control method for an air-conditioning unit, the air-condi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
CPCF24F11/30F24F11/83F24F11/84F24F2110/00
Inventor 安普光张捷
Owner QINGDAO HAIER AIR CONDITIONING ELECTRONICS CO LTD
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