Four-way valve defrosting device

A four-way valve and heat exchanger technology, applied in damage protection, fluid circulation arrangement, refrigeration components, etc., can solve the problems of low defrosting efficiency and poor effect, reduce economic costs, improve system energy efficiency ratio, defrost Quick and effective effect

Inactive Publication Date: 2011-04-06
STARS GUANGZHOU REFRIGERATING EQUIP MFG
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a four-way valve defrosting device to solve the technical problems of low defrosting efficiency and poor effect in the prior art

Method used

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Embodiment Construction

[0016] For the convenience of those skilled in the art to understand, the present invention will be described in detail below in conjunction with the accompanying drawings:

[0017] figure 1 It is a schematic diagram of the four-way valve defrosting device of the present invention, including a compressor 1, a four-way valve 2, an evaporator 3, a one-way valve 4, an angle valve 5, a condenser 6 and a gas-liquid separator 7, and forms a circuit. The evaporator 3 is connected with the compression molding machine 1 through a four-way valve 2 .

[0018] The above-mentioned evaporator 3 of the present invention is a finned evaporator; the condenser 6 is any one of a plate condenser, a shell-and-tube condenser or a casing condenser, and the compressor 1 can be a volume type or a speed type; The valve is a four-way valve commonly used in this field.

[0019] When in use, the refrigerant vapor is charged in the refrigeration cycle system. The connecting circuit is compressor 1, four...

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Abstract

The invention relates to the technical field of defrosting, in particular to a four-way valve defrosting device which comprises a compressor 1, a four-way valve 2, a first heat exchanger 3 and a second heat exchanger 6 that are sequentially connected, wherein the second heat exchanger 6 is connected with the four-way valve 2 to form a loop. The four-way valve defrosting device also comprises a gas-liquid separator 7, wherein the exhaust hole of the compressor 1 is connected with the first port of the four-way valve 2, the first heat exchanger 3 is connected with the second port of the four-way valve 2, the second heat exchanger 6 is connected with the third port of the four-way valve 2, and one end of the gas-liquid separator 7 is connected with the fourth port of the four-way valve 2 and the other end is connected with a gas suction hole of the compressor 1. When a fin type evaporator frosts, the four-way valve automatically switches the system, which greatly improves the defrosting speed and ensures that the four-way valve has more effective and faster defrosting effect.

Description

technical field [0001] The invention relates to the technical field of defrosting, in particular to a four-way valve defrosting device. Background technique [0002] At present, when the smart water heater used in residential or commercial buildings draws sanitary hot water, when the ambient temperature is low and the relative humidity is high, a large amount of frost will form on the finned evaporator, which will affect the heat exchange effect, and in severe cases cause The unit cannot operate normally, and the industry adopts various defrosting methods such as hot gas bypass, electric heating, etc. Others are of low efficiency and poor effect. Contents of the invention [0003] The object of the present invention is to provide a four-way valve defrosting device to solve the technical problems of low defrosting efficiency and poor effect in the prior art. [0004] In order to realize the purpose of the invention of the present invention, the technical scheme adopted is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F25B47/02F25B41/04
Inventor 雷庆耀
Owner STARS GUANGZHOU REFRIGERATING EQUIP MFG
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