Air suction and noise reduction cover device, compressor and method

Abstract

The invention discloses an air suction and noise reduction cover device, a compressor and a method, and belongs to the technical field of compressors. An air outlet of an air suction and noise reduction part can be far away from high-temperature and high-pressure parts of a cylinder cover, so that aging and leakage are avoided; meanwhile, the reasonable oil drainage hole position is designed through the structure of a noise reduction device part, and refrigerating machine oil is prevented from being sucked in during air suction. The device comprises a noise reduction container, the cylinder cover and a heat dissipation mechanism; the cylinder cover comprises a cylinder cover main body and a cylinder cover neck connected to the bottom end of the cylinder cover main body, the bottom end of the cylinder cover neck is connected with a heat dissipation platform, and the cylinder cover neck is further connected with the heat dissipation mechanism; the cylinder cover is detachably connected with the noise reduction container; the noise reduction container comprises a connecting cavity and a plurality of noise reduction cavities which communicate with one another, and an opening for oil drainage is formed in the side wall of the connecting cavity.

Description

technical field [0001] The invention belongs to the technical field of compressors, and in particular relates to a suction sound-absorbing cover device, a compressor and a method. Background technique [0002] The statements herein merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] The suction muffler cover for the compressor is divided into the suction muffler part and the cylinder head part, which are used to eliminate noise and seal the cylinder. The stamped parts of the one-piece aluminum alloy are then welded together, but the suction noise reduction part cannot be made into a complicated structure, and the noise of a specific frequency band cannot be eliminated. [0004] In order to prevent the oil drain hole of the suction muffler from absorbing oil, the existing technical solution is to open holes on the side and add oil retaining ribs on it, which increases the amount of material used, and th...

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Problems solved by technology

[0003] The suction muffler cover for the compressor is divided into the suction muffler part and the cylinder head part, which are used to eliminate noise and seal the cylinder. The stamped parts of the one-piece aluminum alloy are then welded together, but the suction and noise reduction part cannot be made into a complicated structure, and the noise of a specific frequency band cannot be eliminated

[0004] In order to prevent the oil drain hole of the suction muffler from absorbing oil, the existing technical solution is to open a hole on the side and add oil retaining ribs on it, which increases the amount of materials used, and the oil retaining ribs are small and the effect is poor

[0005] In addition, the cylinder head and the suction muffler used in the existing refrigerator compressors have a separate structure, and the suction muffler is installed inside the cylinder head, which will also cause the following problems: ①When the compressor is running, the temperature inside the cylinder head is very high, It will cause the suction muffler to dissolve, deform or leak; ②The contact part between the cylinder head and the muffler belongs to the high-pressure side, and the high pressure makes the sealing performance worse, which is easy to cause leakage; ③The oil drain hole on the suction muffler is at the bottom, compression When the machine is sucking air, it is easy to suck the refrigerating machine oil into the compressor, resulting in large oil discharge from the compressor and affecting the system performance

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