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Five-way valve for switching of natural cooling, refrigeration and heating modes

A heating mode and natural cooling technology, applied in the direction of multi-way valves, refrigerators, refrigeration components, etc., can solve the problems of increased complexity of the control system, increased maintenance and maintenance workload, etc., to achieve good control and operation performance, easy installation Simple, easy-to-maintain effect

Inactive Publication Date: 2012-05-30
TSINGHUA UNIV +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For this reason, there are many existing air-conditioning processing equipment utilizing natural cooling technology, and CN101514856A has announced "an air processing device with natural cooling and heating function", although the purpose of using natural cooling to reduce air-conditioning energy consumption in transitional seasons has been realized, but Due to the use of multiple electromagnetic or electric valves to switch between the compressor circulation mode and the natural cooling circulation mode, the complexity of the control system increases, thereby increasing the workload of inspection and maintenance in actual operation

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  • Five-way valve for switching of natural cooling, refrigeration and heating modes
  • Five-way valve for switching of natural cooling, refrigeration and heating modes
  • Five-way valve for switching of natural cooling, refrigeration and heating modes

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Embodiment Construction

[0014] The principle structure and working process of the present invention will be described in further detail below with reference to the accompanying drawings.

[0015] figure 1 It is a schematic diagram of the five-way valve used for switching between natural cooling and cooling and heating modes according to the present invention. This figure is a diagram of the position of the valve core when the heat pipe and vapor compression composite refrigeration and air-conditioning unit is in natural circulation. The five-way valve is composed of a first main valve 100, a second main valve 200, a pilot valve 300 and a driving capillary group; the first main valve 100 includes a first main valve housing 101, a compression spring 102, a first main valve Spool 103, condenser inlet connecting pipe 104, first connecting pipe 105 and second connecting pipe 106; the second main valve 200 includes a second main valve casing 201, a second main valve spool 202, a third connecting pipe Pipe...

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Abstract

The invention relates to a five-way valve for switching of natural cooling, refrigeration and heating modes, belonging to the technical field of a flow control valve. The valve comprises a first valve body, a second valve body and a driving capillary group. The five-way valve can realize the switching of three modes of natural cooling, refrigeration and heating of an air conditioning unit by the differential pressure change generated by starting and stopping of a refrigeration compressor, the elasticity of springs and the power turn-on / off of electromagnetic coils. Compared with the traditional control by a plurality of valves, the five-way valve is easier to control and has good control and operating performances. The five-way valve causes the air conditioning unit with natural cooling and heating functions to increase the operating reliability and has the characteristics of simple installation, convenient maintenance and mass production.

Description

technical field [0001] The invention relates to a five-way valve for natural cooling, cooling and heating mode switching, which is an automatic control valve with five ports, suitable for switching between pipelines under different conditions, especially suitable for The invention relates to switching of working modes of refrigerant direct evaporative air-conditioning equipment with natural cooling, refrigeration and heating functions, and belongs to the technical field of valve design. Background technique [0002] For the outer area of ​​the existing building, due to the improvement of the performance of the building envelope, the increase in the heat generated by office lighting and equipment, and the fluctuation of the load of building heat transfer and solar radiation, the cooling load of the outer area of ​​the building increases. On the premise of heating in winter and cooling in summer, cooling is sometimes required in the transition season. But at present, building...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K11/24F16K31/06F16K31/122F25B41/04
Inventor 石文星周德海郜义军韩宗伟王宝龙李先庭
Owner TSINGHUA UNIV
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