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Oil pumping device for full-enclosed inverter compressor

A variable frequency compressor, fully enclosed technology, applied in variable capacity pump components, liquid variable capacity machinery, pump components, etc., can solve the problems of inapplicable frequency conversion compressors, etc., to simplify the production process and installation process, and improve reliability High, low oiling resistance effect

Active Publication Date: 2016-09-21
QINGDAO WANBAO COMPRESSOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The speed of the fixed frequency compressor is generally 3000-3600rpm, while the speed range of the variable frequency compressor is wider, the low speed can reach below 900rpm, and the high speed can reach 6000rpm. Therefore, the existing fixed frequency oil pumping system cannot be applied to the frequency conversion compressor

Method used

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  • Oil pumping device for full-enclosed inverter compressor
  • Oil pumping device for full-enclosed inverter compressor
  • Oil pumping device for full-enclosed inverter compressor

Examples

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Embodiment Construction

[0030] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0031] like Figure 1 to Figure 7 As shown, an oil pumping device for a fully enclosed variable frequency compressor includes a crankshaft 1, an oil suction pipe 2, a stator and a casing for wrapping the crankshaft 1 and the oil suction pipe 2, and the outer cylindrical surface of the crankshaft 1 There is an upper oil tank 4 on it. The oil suction pipe 2 is sleeved on the outer side of the lower part of the crankshaft 1 , and an oil suction pipe core 3 is arranged in the oil suction pipe 2 . Both the oil suction pipe 2 and the oil suction pipe core 3 are made of plastic. The oil suction pipe 2 and the oil suction pipe core 3 are molded at one time by injection molding. The crankshaft 1, the oil suction pipe 2, the oil suction pipe core 3 and the stator are located on t...

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Abstract

The invention discloses an oil pumping device for a full-enclosed inverter compressor. The oil pumping device comprises a crank shaft, an oil suction pipe, a stator and a casing, wherein the oil suction pipe is arranged on the outer side of the lower part of the crank shaft in a sleeving manner; an oil suction pipe core is arranged in the oil suction pipe; the crank shaft, the oil suction pipe, the oil suction pipe core and the stator are positioned on the same axis; the crank shaft is in synchronous rotation with the oil suction pipe; the oil suction pipe core is fixed on the stator or the casing through a hanging spring. According to the oil pumping device disclosed by the invention, oil feeding resistance is low, oil feeding capacity of the inverter compressor in low rotating speed and high rotating speed can be guaranteed, lubricating and cooling are realized, and the service life of the compressor is prolonged.

Description

technical field [0001] The invention belongs to the technical field of refrigeration compressors, and in particular relates to an oil pumping device for a fully enclosed frequency conversion compressor. Background technique [0002] The compressor is a fully enclosed structure, and the oil pump device is very critical. The amount of oil pumped directly affects the wear and noise of the parts. In addition, during the working process of the compressor, the refrigeration oil circulates to take away part of the heat, which plays a role The effect of cooling the whole machine. [0003] At present, the structure used in fixed-frequency compressors is: the oil suction pipe is tightly connected to the lower end of the crankshaft, and there are rotating blades inside the oil suction pipe. When the motor rotates, the blade group generates strong centrifugal force to achieve oiling. The speed of the fixed frequency compressor is generally 3000-3600rpm, while the speed range of the var...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/02F04B39/06
CPCF04B39/0284F04B39/06
Inventor 张豪杰孙慧刘超陆海江
Owner QINGDAO WANBAO COMPRESSOR
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