Three-piece type semi-closed compressor

Abstract

The invention discloses a three-piece type semi-closed compressor. The three-piece type semi-closed compressor comprises a shell, an end cover, a side cover, an electric connector and a suction pipe, wherein, the shell is provided with a side edge electric control area and a high-pressure area, and the high-pressure area is used for containing a motor and a pump; the end cover is arranged above the shell so as to seal the high-pressure area; the side cover is arranged on the side edge of the shell so as to cover the side edge electric control area; the electric connector is arranged in the side edge electric control area; and the suction pipe penetrates through the side cover and the side edge electric control area to enter the high-pressure area to communicate with the pump. According to the three-piece type semi-closed compressor, the shell can be made of aluminum alloy, the electric connector and a discharge pipe are preferably arranged on the side edge of the shell, then the pump is installed at the lower end of the motor on the basis of the double-bearing design, and therefore the pump can be suspended, a foot stool does not need to be additionally arranged, the bottom design of the three-piece type semi-closed compressor is simplified, and the design arrangement of the side edge electric control area of the shell is more convenient.

Description

technical field [0001] The invention relates to a three-piece semi-hermetic compressor, in particular to a three-piece semi-hermetic compressor which can effectively reduce the height of the mechanism and meet the requirements of high rotation speed and no inclination angle. Background technique [0002] The traditional scroll compressor has two compression and three bearing designs. The main body of the casing is divided into two sections laterally, so a large number of fixing elements are required for locking and fixing, and the number of screws and O-rings increases. The cost is expensive, and the weight of the body is also greatly increased. During use, if the shell is damaged and gas leaks out, many seams must be checked, and the cost of inspection and maintenance will increase accordingly. Additionally, traditional scroll compressors are limited to speeds above 2000rpm. If the speed is too low, it will cause poor oil absorption of the lubricating oil. At this time, t...

AI Technical Summary

Problems solved by technology

[0002] The traditional scroll compressor has two compression and three bearing designs. The main body of the casing is divided into two sections laterally, so a large number of fixing elements are required for locking and fixing, and the number of screws and O-rings increases. The cost is expensive and the weight of the machine body is also greatly increased

During use, if the shell is damaged and gas leaks out, many joints must be checked, and the cost of inspection and maintenance will increase accordingly

Also, traditional scroll compressors are limited to speeds above 2000rpm

If the speed is too low, it will cause poor oil absorption of the lubricating oil. At this time, the inclination angle of the compressor carrier must be limited within minus 15 degrees. If the inclination angle is too large, the defect of poor oil absorption of the oil suction pipe will occur.

Furthermore, the body of the traditional scroll compressor is huge, and the height of the body exceeds 220 mm, which is not suitable for the vehicle field

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