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Volume variable rotation compressor

A rotary compressor and variable capacity technology, which is applied in the field of compressors, can solve the problems of air leakage and air leakage at the sliding plate, and achieve the effects of avoiding air leakage, low production cost, and good leakage

Active Publication Date: 2014-02-12
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such a structure is easy to cause gas leakage, and when the slider is stationary, there will be air leakage at the slider

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as Figure 1 to Figure 5 As shown, a groove 28 is provided on the end face of the sliding slide 14, and the setting of the groove 28 is equivalent to opening a blind hole in the sliding slide 14. The shape of the groove 28 can be square or circular, preferably square. The end face of the groove 28 is in contact with the sealing end face of the lower flange 15. The lower flange 15 is provided with a lower flange channel 29 for communicating with the groove 28. The diameter of the lower flange channel 29 is d, and the lower flange channel 29 can be It is set as a through hole for communicating with the second outlet of the gas switching device 27; but for the convenience of taking over the pipe, the lower end of the lower flange passage 29 is not opened and becomes a blind hole, and a lower method is set on the side wall of the lower flange passage 29 The blue bypass hole 30, the lower flange bypass hole 30 communicates with the lower flange channel 29, and is used t...

Embodiment 2

[0058] refer to Figure 6 to Figure 10 , as another embodiment, the difference from Example 1 is that the groove 28 is arranged on the lower flange 15, and is located on an end surface where the lower flange 15 cooperates with the lower cylinder 13, preferably the centerline of the groove 28 is in line with the The center line of the lower slide 14 faces each other, and the lower flange channel 29 is located in the middle of the groove 28 and communicates with the groove 28. One side of the lower flange channel 29 has a lower flange bypass hole 30 for connecting with the gas. The second outlet of the switching device 27 is communicated.

[0059] In order to ensure sealing, the distance between the inner wall of the groove 28 and the outer wall of the sliding slide 14 is greater than or equal to 0.5-1.2mm, and the diameter d of the lower flange channel 29 is less than or equal to the width A of the groove 28 .

[0060] When the center line of the groove 28 coincides with the c...

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Abstract

The invention discloses a volume variable rotation compressor. The compressor comprises an outer shell, a motor and a cylinder component, the motor and the cylinder component are arranged in the outer shell; wherein the motor and the cylinder component are connected through a crank shaft, the tail part of a first slip sheet is provided with an elastic part; the tail part of a second slip sheet is not provided with an elastic part; a groove is arranged on the second slip sheet, a position where is opposite to the second slip sheet on a second flange, or a position where is opposite to the second slip sheet on a middle division plate; a tunnel which is used for communicating the groove is arranged on the cylinder component; the volume variable rotation compressor also comprises a gas switching device, which switches the pressure of the groove between a high-pressure side pressure and a low-pressure side pressure. Through controlling the pressure differential to control the movement of slip sheet, reliable switch between single cylinder operation and double-cylinder operation can be achieved, and thus leakage is effectively prevented; when the slip sheet stays still, the inner cylinder and the tail part of the slip sheet groove are both in a high-pressure state so as to avoid the phenomenon of gas mixing caused by pressure difference.

Description

technical field [0001] The invention relates to the field of compressors, in particular to a variable capacity rotary compressor. Background technique [0002] Energy conservation and environmental protection are the development trend of the air-conditioning industry. Generally, air-conditioning systems use fixed-capacity compressors. When the room temperature reaches the set temperature during operation, the compressor will start and stop repeatedly. In this way, energy is consumed on the one hand, and room temperature changes on the other. Destroying the comfort, the compressor capacity control technology is a technology between frequency conversion and constant capacity, which can achieve the purpose of changing the compressor capacity and improving performance with the change of air conditioning load. It can be combined with the frequency conversion compressor to make up for the capacity of the frequency conversion compressor Insufficient adjustment, the existing variabl...

Claims

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Application Information

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IPC IPC(8): F04C23/00
Inventor 刘强杨国蟒梁杜兵徐嘉邓丽颖
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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