Scroll compression mechanism and scroll compressor

A compression mechanism and scroll technology, applied in the field of scroll compressors, can solve problems such as scroll compression mechanism wear and failure, and achieve the effect of preventing wear and failure

Pending Publication Date: 2022-01-14
EMERSON CLIMATE TECH (SUZHOU) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this split fixed scroll, there is a problem that the scroll compression mechanism is prone to wear and failure, so there is a need to provide an improved scroll compression mechanism

Method used

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  • Scroll compression mechanism and scroll compressor
  • Scroll compression mechanism and scroll compressor
  • Scroll compression mechanism and scroll compressor

Examples

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Embodiment Construction

[0029] The following descriptions of various embodiments of the present disclosure are merely exemplary, and by no means limit the present disclosure and its application or usage. The same reference numerals are used to denote the same components in the respective drawings, and thus the configurations of the same components will not be described repeatedly.

[0030] The following will refer to Figure 1-3 A compressor with a variable volume ratio function according to a comparative example will be described, in which, figure 1 is a sectional view schematically showing a compressor according to a comparative example; figure 2 is a sectional view schematically showing a fixed scroll assembly of a compressor according to a comparative example; and image 3 is an exploded perspective view schematically showing a fixed scroll assembly of a compressor according to a comparative example.

[0031] Such as figure 1 As shown, scroll compressor 1 includes a generally closed housing ...

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PUM

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Abstract

The invention provides a scroll compression mechanism and a scroll compressor. The scroll compression mechanism comprises a movable scroll and a fixed scroll assembly, wherein the fixed scroll assembly comprises a fixed scroll and a cover plate; the fixed scroll comprises a fixed scroll end plate; the cover plate is fixed to one side of the fixed scroll end plate, so that a central high-pressure concave part capable of being in fluid communication with a middle compression cavity is defined between the cover plate and the fixed scroll end plate; a back-pressure cavity is formed in the side, away from the fixed scroll, of the cover plate; the fixed scroll assembly is further provided with a medium-pressure channel; the medium-pressure channel enables the middle compression cavity to be in fluid communication with the back-pressure cavity; a sealing reinforcing structure for defining a sealing reinforcing area is arranged between the cover plate and the fixed scroll end plate; and the medium-pressure channel penetrates through the sealing reinforcing area, so that working fluid is prevented from leaking to the medium-pressure channel from the central high-pressure concave part. According to the scroll compression mechanism provided by the invention, the abrasion failure of the scroll compression mechanism can be prevented, the service life of the scroll compression mechanism is prolonged, and the use performance of the scroll compression mechanism is improved.

Description

technical field [0001] The present disclosure relates to the technical field of scroll compressors, and more particularly, to a scroll compression mechanism and a scroll compressor. Background technique [0002] The statements in this section merely provide background information related to the present disclosure and may not constitute prior art. [0003] Compressors may be used in application systems that require different pressures, such as air-conditioning systems, cold storage systems, etc., so the discharge pressure of the compression chamber (the maximum pressure in the compression chamber) may be greater than the pressure required by the specific application system, that is, a case of overcompression. In order to reduce or prevent overcompression of the working fluid, compressors with a variable volume ratio function have been developed. [0004] In a compressor with a variable volume ratio function, generally, the fixed scroll adopts a split design including a cove...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C27/00F04C18/02F04C29/12
CPCF04C27/001F04C18/0215F04C18/0253F04C29/12
Inventor 张琼宇刘轩吴严欢刘畅
Owner EMERSON CLIMATE TECH (SUZHOU) CO LTD
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