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Gas-supplying enthalpy-increasing scroll compressor

A scroll compressor, a technology for supplementing air and increasing enthalpy, applied in the field of air-conditioning compressors, can solve the problems of reduced efficiency, reduced refrigerant circulation, increased pressure ratio, etc., and achieves the effect of simplifying the system

Inactive Publication Date: 2013-07-10
上海本菱涡旋压缩机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, when the ambient temperature of the ordinary scroll compressor is low, the suction specific volume will increase, the refrigerant circulation volume will decrease, the pressure ratio will increase, the efficiency will decrease and the exhaust temperature will be too high, and the compressor cannot operate normally. Electric heating is basically used for heating in electric air-conditioning systems, which has a low energy efficiency ratio and complicates the air-conditioning system

Method used

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Embodiment Construction

[0028] Such as image 3 , Figure 4 The shown embodiment 1 is a preferred embodiment of a scroll compressor for supplementing air and increasing enthalpy in the present invention. The compressor is mainly composed of a housing 1, a motor 2, a movable scroll 3, a fixed scroll 4, a The cover 12, the frame assembly 15 and the air supply structure are formed. The casing 1 of the compressor is provided with an air suction port 11, and the high pressure cover 12 is provided with an exhaust port 7 and an air supply port 10. The gas supply structure includes: a high-pressure cover gas supply passage 5 connected to the fixed scroll 4, a filter 13, a check valve 6, and a static scroll penetrating through the fixed scroll Disc air supply channel 8, air supply groove 9 on the top surface of the static scroll disk, and air supply ports 14 at both ends of the air supply groove. In this embodiment, the air supply channel 8 of the fixed scroll disk runs through the fixed disk tooth 41 of th...

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Abstract

The invention relates to a gas-supplying enthalpy-increasing scroll compressor for an electric automobile heat pump air conditioner. The gas-supplying enthalpy-increasing scroll compressor is provided with a gas supplying structure which comprises a high-pressure cover gas supplying channel communicated to a static scroll plate, and a static scroll plate gas supplying channel, wherein the high-pressure cover gas supplying channel is internally provided with a filter and a unidirectional valve; the static scroll plate gas supplying channel penetrates though the top surface of the static scroll plate; and supplied gas enters two intermediate chambers formed by a moving scroll plate and the static scroll plate after passing through the high-pressure cover gas supplying channel and the static scroll plate gas supplying channel sequentially. According to the invention, through the added gas supplying structure, the supplied gas can enter the intermediate chambers in the compressor from a gas supplying port on a high-pressure cover through the gas supplying structure, so that the compressor can operate normally at a low environment temperature, the heating capability and the refrigerating capability of the compressor are intensified, the energy efficiency ratio is improved, and the system is simplified.

Description

technical field [0001] The invention relates to the technical field of air-conditioning compressors, in particular to an air-supplementing and enthalpy-increasing scroll compressor for electric vehicle heat pump air conditioners. Background technique [0002] At present, when the ambient temperature of the ordinary scroll compressor is low, the suction specific volume will increase, the refrigerant circulation volume will decrease, the pressure ratio will increase, the efficiency will decrease and the exhaust temperature will be too high, and the compressor cannot operate normally. Electric heating is basically used for heating in electric air-conditioning systems, which has a low energy efficiency ratio and complicates the air-conditioning system. [0003] On the basis of the original traditional system, an economizer is added for internal secondary heat exchange to realize the excessive supercooling of the refrigerant, so that the enthalpy difference of the refrigerant at ...

Claims

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Application Information

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IPC IPC(8): F04C18/02
Inventor 黄小林
Owner 上海本菱涡旋压缩机有限公司
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