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Screw compressor automatic loading and unloading device and its control method, screw compressor

A screw compressor and control method technology, applied in the field of compressors, can solve problems such as oil circuit leakage and oil pressure instability, and achieve the effects of reducing sealing requirements, adjusting precision, and avoiding lubricating oil leakage and blockage.

Active Publication Date: 2021-05-25
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the use of hydraulic pressure to drive the spool valve rod has high requirements on the sealing performance of the spool valve, and the oil circuit that pushes the spool valve to move is prone to leakage, resulting in unstable oil pressure in the oil piston chamber

Method used

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  • Screw compressor automatic loading and unloading device and its control method, screw compressor
  • Screw compressor automatic loading and unloading device and its control method, screw compressor
  • Screw compressor automatic loading and unloading device and its control method, screw compressor

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Embodiment Construction

[0047] see in conjunction Figure 1 to Figure 4As shown, according to the embodiment of the present application, the screw compressor automatic loading and unloading device includes a slide valve 1 and an electromagnetic adjustment device, the drive end of the slide valve 1 is provided with a transmission unit, and the electromagnetic adjustment device includes a first drive part and a second drive part , the transmission unit includes a guide part and a transmission part, one end of the transmission part is drivingly connected with the spool valve 1, and the guide part is used to cooperate with the transmission part to limit the direction of force exerted by the transmission part on the spool valve 1, and the first drive part is fixed to the transmission part Connected, the second driving part cooperates with the first driving part to drive the transmission part to move, so as to adjust the sliding position of the slide valve 1 .

[0048] This application uses an electromagne...

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Abstract

The present application provides an automatic loading and unloading device for a screw compressor, a control method thereof, and a screw compressor. The screw compressor automatic loading and unloading device includes a slide valve (1) and an electromagnetic adjustment device, the drive end of the slide valve (1) is provided with a transmission unit, the electromagnetic adjustment device includes a first drive part and a second drive part, and the transmission unit includes a guide One end of the transmission part is drivingly connected with the spool valve (1), and the guide part is used to cooperate with the transmission part to limit the force direction of the transmission part to the spool valve (1). The first drive part is fixedly connected with the transmission part , the second driving part cooperates with the first driving part to drive the transmission part to move, so as to adjust the sliding position of the slide valve (1). According to the automatic loading and unloading device of the screw compressor of the present application, the sealing requirement for the drive structure of the slide valve can be reduced, and the stability of the slide valve during loading and unloading can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of compressors, in particular to an automatic loading and unloading device for a screw compressor, a control method thereof, and a screw compressor. Background technique [0002] With the development of air-conditioning technology, twin-screw compressors have been widely used in the field of commercial air-conditioning. However, at present, the energy regulation stability of the screw compressor is still a technical problem. The screw compressor cannot be automatically loaded to the set load and cannot be stabilized after being loaded to the set load. These problems will lead to the energy regulation of the compressor. Unstable, the compressor cannot run stably under the set load, which in turn affects the reliability of the entire air conditioning unit. [0003] At present, the energy adjustment method of the compressor is mainly through the oil in the oil tank flowing into the oil piston cavity ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C18/16F04C28/12
CPCF04C18/16F04C28/12
Inventor 李永芳梁相之李明何林罗建飞黄童毅王源杰
Owner GREE ELECTRIC APPLIANCES INC
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