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Horizontal compressor

A compressor and compression mechanism technology, applied in the field of compressors, can solve the problems of long gas flow path, large flow resistance, and reduced compressor performance, and achieve the effects of improving reliability, ensuring reliability, and ensuring oil level height.

Pending Publication Date: 2021-03-23
GUANGDONG MEIZHI PRECISION MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this solution can ensure the cooling of the motor, the above-mentioned technical solution has a long gas flow path and a large flow resistance, which leads to a decrease in the performance of the compressor.

Method used

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  • Horizontal compressor
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0069] refer to figure 1 , according to the embodiment of the present invention, the horizontal compressor 100 includes: a casing 1 , a motor part 2 , a compression mechanism part 3 and an oil pipe part 4 .

[0070] Specifically, the casing 1 may be provided with an exhaust pipe 10; the motor part 2 is arranged in the casing 1, the motor part 2 includes a stator 21 and a rotor 22, the rotor 22 may be arranged inside the stator 21, and the rotor 22 may be A rotor fan 23 is provided.

[0071] The compression mechanism part 3 is provided in the housing 1, and the compression mechanism part 3 can divide the space inside the housing 1 into a motor part side and an oil chamber side. Exhaust pipe 10 is arranged on one end of housing 1 adjacent to the motor part side, for example, exhaust pipe 10 can be arranged on figure 1 The left end of the motor part 2 shown in , so that the motor part 2 can be cooled better.

[0072] The compression mechanism part 3 may include a first beari...

Embodiment 2

[0094] The structure of the second embodiment is basically the same as that of the first embodiment, the difference is that in the second embodiment, refer to figure 2 , in some embodiments of the present invention, the air extraction structure 422 may be an air extraction pipe, and the ratio of the inner diameter of the air extraction pipe to its length is greater than 0.01. It can be understood that if the air extraction pipe is too thin, it will play a throttling effect, and if the air extraction pipe is too thick, the effect of air extraction is not ideal. If the ratio is greater than 0.01, the pumping effect can be ensured, which is beneficial to solve the problems of oil supply and motor cooling of the horizontal compressor, and is beneficial to ensure the reliability of the horizontal compressor 100 .

Embodiment 3

[0096]The structure of the third embodiment is basically the same as that of the first embodiment, the difference is that in the third embodiment, refer to image 3 , according to some embodiments of the present invention, the cylinder 33 is connected to the main housing 12 by welding, the upper end of the cylinder 33 has no air hole 311 , and the lower end of the cylinder 33 is provided with an oil hole 312 . Thus, the upper end of the cylinder 33 has no vent hole 311, which can ensure that the refrigerant discharged from the compressor body will not enter the oil chamber through the compression mechanism part 3 such as the cylinder 33; the lower end of the cylinder 33 is provided with an oil hole 312, which is beneficial to ensure oil flow.

[0097] Further, the difference between the inner diameter of the main casing 12 and the outer diameter of the cylinder 33 is less than 0.5 mm. Thus, the relative sealing between the motor part side and the oil chamber side can be well ...

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PUM

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Abstract

The invention discloses a horizontal compressor. The horizontal compressor comprises: a shell, provided with an exhaust pipe; a motor part, arranged in the shell and comprising a stator and a rotor, wherein a rotor fan is arranged on the rotor; a compression mechanism part, arranged in the shell and dividing the space in the shell into a motor part side and an oil cavity side, wherein the exhaustpipe is arranged at the end, close to the motor part side, of the shell, the compression mechanism part comprises a first bearing, a second bearing, an air cylinder, a piston, a sliding sheet and a crankshaft, the crankshaft penetrates into the rotor, the upper end of the first bearing is free of a vent hole, and the lower end of the first bearing is provided with an oil hole; and an oil pipe part, arranged on the oil cavity side and comprising a bottom wall and a peripheral wall, wherein one end of the peripheral wall is connected with the bottom wall, the other end of the peripheral wall isconnected with the second bearing, an oil pipe for oiling is arranged at the bottom of the peripheral wall, and an air exhaust structure is arranged at the top of the peripheral wall. According to thehorizontal compressor, the problems of oil supply and motor cooling of the horizontal compressor can be well solved, and the reliability of the horizontal compressor can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to a horizontal compressor. Background technique [0002] In the related art, in order to ensure the cooling of the horizontal compressor motor and the supply of refrigerating machine oil, the exhaust port of the conventional horizontal compressor is arranged on the side of the oil chamber. When the compressor is running, the exhaust gas first cools the motor and then is discharged from the exhaust port. With this exhaust method, since all the exhaust gas will not pass through the motor, the cooling effect of the motor is not as good as that of the vertical compressor. When high-temperature refrigerants such as R32 (chemical name difluoromethane, molecular formula CH2F2) are used, the motor will overheat. . Moreover, the gas circulation path becomes longer, and the exhaust resistance increases, resulting in a decrease in the efficiency of the horizontal compressor. [0003] Su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C23/02F04C27/00F04C29/04F04C29/02
CPCF04C23/02F04C27/00F04C29/02F04C29/04F04C2240/50
Inventor 方智祥张巍
Owner GUANGDONG MEIZHI PRECISION MFG