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Enthalpy-increasing pipe, fixed component, compressor and enthalpy-increasing method of rotary compressor

A technology of rotary compressor and fixed components, which is applied in the field of compressors and enthalpy increase, can solve the problems of poor refrigerant flashing effect and high operating noise due to the return effect of refrigeration oil.

Active Publication Date: 2015-12-16
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides an enthalpy-increasing tube, a fixed assembly, a compressor and an enthalpy-increasing method of a rotary compressor, which are used to overcome the existing technologies of high operating noise of the rotary compressor, poor refrigeration oil return effect and poor flashing effect of the refrigerant defect

Method used

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  • Enthalpy-increasing pipe, fixed component, compressor and enthalpy-increasing method of rotary compressor
  • Enthalpy-increasing pipe, fixed component, compressor and enthalpy-increasing method of rotary compressor
  • Enthalpy-increasing pipe, fixed component, compressor and enthalpy-increasing method of rotary compressor

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] figure 1 It is an assembly schematic diagram of Embodiment 1 of the enthalpy-increasing tube of the rotary compressor of the present invention.

[0045] Such as figure 1 As shown, the enthalpy-increasing tube 1 of the rotary compressor in Embodiment 1 of the present invention includes an outer casing 100 with a variable diameter structure and integrally formed; the outer casing 100 includes an inlet pipe portion 110 with a smaller inner diameter and a larger inner diameter. The expansion tube part 120, one end of the expansion tube part 120 is provided with a flange part 121 of the flange structure; the heat increasing tube 1 also includes a straight tube 200 and one end arranged inside the expansion tube part of the outer sleeve An elbow 300 that is fixed inside the straight pipe and the other end protrudes from the straight pipe; the expansion tube part 120 of the outer cannula forms a cavity with the straight pipe 200;

[0046] One end of the straight tube 200 is f...

Embodiment 2

[0064] Correspondingly, the present invention also provides a rotary compressor, which includes the above-mentioned enthalpy-increasing tube of the rotary compressor; and the rotary compressor also includes the above-mentioned enthalpy-increasing tube fixing assembly of the rotary compressor.

[0065] In the rotary compressor provided by the embodiment of the present invention, the compressor can significantly reduce noise and vibration during compressor operation, and at the same time improve the return flow effect of refrigeration oil and the flash effect of refrigerant, and improve the performance and reliability of the compressor.

[0066] see Figure 4 , Figure 5 and Figure 6 , the above-mentioned figures sequentially illustrate the relationship curves of vibration acceleration, noise, and energy efficiency ratio with frequency under the same cooling capacity and the same working conditions.

[0067] For example: if Figure 4 As shown, when the rotary compressor reac...

Embodiment 3

[0069] Embodiment 3 and Embodiment 4 are similar to Embodiment 2 regarding the arrangement of components and components of the rotary compressor, but the methods for increasing enthalpy are different. The above two methods of increasing enthalpy are described below.

[0070] Embodiment three:

[0071] Preferably, as an implementable method. The present invention also provides a method for increasing enthalpy of a rotary compressor, the rotary compressor includes the above-mentioned rotary compressor, and the method for increasing enthalpy is:

[0072] The enthalpy-increasing refrigerant mixes with the refrigerant compressed by the low-pressure stage cylinder on the passage from the medium-pressure chamber to the high-pressure chamber, so as to increase the enthalpy of the refrigerant compressed by the low-pressure stage cylinder, and is sucked into the high-pressure chamber for compression. see Figure 6 In the schematic layout of the enthalpy-increasing air supply structur...

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Abstract

The invention discloses a rotary compressor as well as an enthalpy-increasing pipe, a fixed assembly and an enthalpy-increasing method of the rotary compressor. The enthalpy-increasing pipe of the rotary compressor comprises an outer sleeve, a straight pipe and a bent pipe, wherein the outer sleeve has a reducing structure, is integrally formed and comprises an air inlet pipe part and an expansion pipe part, the inner diameter of the air inlet pipe part is small, the inner diameter of the expansion pipe part is large, and a flanging part having a flanging structure is arranged at one end of the expansion pipe part; the straight pipe is arranged in the expansion pipe part of the outer sleeve, one end of the bent pipe is fixed in the straight pipe, and the other end of the bent pipe stretches out of the straight pipe; the expansion pipe part of the outer sleeve and the straight pipe form a cavity; one end of the straight pipe is fixedly connected with the flanging part of the expansion pipe part and one end, stretching into the straight pipe, of the bent pipe, respectively. According to the rotary compressor as well as the enthalpy-increasing pipe, fixed assembly and enthalpy-increasing method of the rotary compressor, a backflow effect of refrigerant oil can be enhanced while the overall noise of the compressor is lowered.

Description

technical field [0001] The invention relates to the field of compressor equipment used in systems such as air conditioners, refrigerators, and cold storages, and in particular to an enthalpy-increasing tube, a fixed assembly, a compressor and an enthalpy-increasing method of a rotary compressor. Background technique [0002] Rotary compressors are compressor equipment widely used in air conditioners, refrigerators, cold storage and other systems. In the prior art, there are two main problems in the rotary compressor: 1. The enthalpy-increasing tube of the rotary compressor generates relatively large vibration when the compressor is running, and the structure of the enthalpy-increasing pipeline is a copper tube with a constant cross-sectional area , especially when running at medium and low frequencies, the vibration and noise are greater; 2. When heating at low temperature (-7°C) to ultra-low temperature (-15°C) and cooling at high temperature (above 30°C), the compressor wi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04C29/00F04C29/06
Inventor 李万涛魏会军吴健
Owner GREE ELECTRIC APPLIANCES INC