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Compressor with multi-air-supplementing structure and air conditioner system

A technology for compressors and gas supply ports, which is applied to mechanical equipment, machines/engines, liquid fuel engines, etc. It can solve problems such as difficult control of gas supply pressure, achieve precise control of gas supply pressure, expand gas supply volume, and improve energy efficiency.

Pending Publication Date: 2019-09-27
GREE ELECTRIC APPLIANCES INC
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AI Technical Summary

Problems solved by technology

However, generally only the air supply port is set at the low pressure stage or the intermediate shell, and the air supply pressure is difficult to control

Method used

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  • Compressor with multi-air-supplementing structure and air conditioner system

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Embodiment Construction

[0019] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0020] Conventional single-unit two-stage compressor has an intermediate air supply structure. The intermediate air supply port is generally set on the medium pressure stage between the low pressure stage and the high pressure stage. Changes and changes, and are affected by the pressure ratio of the two stages. The air supply in the middle is not affected by the partial load. Although the amount of air supply can be increased, the pressure of the supply air fluctuates greatly and the system is difficult to control. The air supply port of the slide valve is generally set on the body, and the air fl...

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Abstract

The invention provides a compressor with a multi-air-supplementing structure and an air conditioner system. The compressor comprises two levels of compression structures and a middle air supplementing structure. A communication pipeline is arranged between an exhaust port of one level of the compression structure in the two levels of compression structures and an air suction port of the other compression structure. The middle air supplementing structure directly or indirectly communicates with the communication pipeline, and at least one level of the compression structure is provided with the air supplementing structure. According to the provided compressor with the multi-air-supplementing structure and the air conditioner system, at least one level of compression structure is provided with the air supplementing structure, at least dual air supplementing to the compressor is achieved, and the air supplementing amount of the compressor is effectively increased; and in addition, air supplementing pressure control is more accurate, the air supplementing manner is diverse, energy efficiency of the compressor is effectively improved, and the application range of the compressor is effectively enlarged.

Description

technical field [0001] The invention relates to the technical field of compression equipment, in particular to a compressor and an air-conditioning system with multiple air supply structures. Background technique [0002] In order to improve energy efficiency, conventional screw compressors will install an air supply device on the compressor to increase cooling capacity and improve overall energy efficiency. The usual way is to set up an air supply port on the slide valve, and introduce the increased refrigerant into the rotor compression chamber through the slide valve. When this method is adopted, due to the limitation of the volume of the slide valve cavity, the amount of air supply is relatively small, generally 10%. about. Due to the structure of two sets of rotors, the single-unit two-stage screw compressor can set up air supply between the first-stage exhaust and the second-stage suction. Due to the large housing space, the air supply volume can be increased to more ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C23/00F04C29/12F04C28/28F04C28/24
CPCF04C23/001F04C29/124F04C28/28F04C28/24F04C18/16F04C14/02
Inventor 卓明胜曹聪毕雨时侯芙蓉孟强军
Owner GREE ELECTRIC APPLIANCES INC
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