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Air-injection enthalpy-increasing scroll compressor and air-conditioning system

A scroll compressor and jet enthalpy increase technology, applied in the field of compressors, can solve the problems of overturning of the movable scroll, insufficient back pressure, and reduced compressor efficiency, and achieve the effects of ensuring axial sealing and inhibiting separation

Active Publication Date: 2018-05-18
GUANGDONG MIDEA ENVIRONMENTAL TECH CO LTD +1
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  • Abstract
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Problems solved by technology

[0004] However, when the gas injection enthalpy increase function is turned on, the pressure in the compression chamber rises rapidly, and the drainage channel of the orbiting scroll is not in a state of constant communication with the compression chamber during air injection, so the pressure in the back pressure space will not rise accordingly, thus Insufficient back pressure causes the orbiting scroll to overturn during air injection and the efficiency of the compressor decreases

Method used

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between the various components in a certain posture , if the specific posture changes, the directional indication also changes accordingly.

[0033] In addition, if the description of "first", "second" and so on in the...

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Abstract

The invention discloses an enhanced vapor injection scroll compressor. A first medium pressure channel is formed in a movable scroll plate, a second medium pressure channel is formed in a fixed scroll plate, and in the rotating process of the movable scroll plate, the first medium pressure channel or the second medium pressure channel is communicated with a compression cavity and a back pressure chamber of the compressor; the invention further discloses an air conditioner system applied to the scroll compressor. In the work process of the compressor, medium pressure of the compression cavity is guided to the back pressure chamber through the first medium pressure channel or the second medium pressure channel, and therefore separation between the movable scroll plate and the fixed scroll plate can be restrained, and axial seal between the movable scroll plate and the fixed scroll plate is ensured.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a scroll compressor for increasing enthalpy by gas injection and an air conditioning system. Background technique [0002] Scroll compressors are widely used in systems such as air conditioners and heat pumps because of their high efficiency, small size, light weight, and smooth operation. In the scroll compressor, a series of crescent-shaped compression chambers are formed by the meshing of the movable scroll and the fixed scroll. With the eccentric operation of the movable scroll, the crescent-shaped compression chambers Moving to the center, at the same time the pressure of the refrigerant in the cavity is also increasing until it communicates with the central exhaust hole, and the refrigerant becomes a high-pressure gas and is discharged from the compression cavity to complete the compression process. [0003] In order to make the scroll compressor still have better performance un...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/02F04C29/00
CPCF04C18/0215F04C29/00
Inventor 梁卫恒黄柏英餐场靖张康陈洪辉
Owner GUANGDONG MIDEA ENVIRONMENTAL TECH CO LTD
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