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Multi-stage compressor, electrical appliance and control method

A compressor and liquid separator technology, applied in the field of compressors, can solve the problem of refrigerated oil being sucked into the cylinder, etc., and achieve the effects of reducing oil inhalation of high-pressure cylinders, avoiding oil pressure in the cylinder, and improving reliability

Active Publication Date: 2022-05-17
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problem of the refrigerated oil being sucked into the cylinder in the multi-stage compressor in the prior art, the application provides a multi-stage compressor, an electrical appliance and a control method

Method used

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  • Multi-stage compressor, electrical appliance and control method
  • Multi-stage compressor, electrical appliance and control method
  • Multi-stage compressor, electrical appliance and control method

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Embodiment Construction

[0033] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, but not all of them. Based on the embodiments in the present application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present application.

[0034] figure 1 It is a schematic diagram of the overall structure of the two-stage enthalpy-increasing compressor of embodiment 1; the overall structure of the two-stage enthalpy-increasing compressor is as follows figure 1 As shown, the low-temperature and low-pressure refrigerant enters the lower cylinder (low-pressure cylinder) 12 ...

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Abstract

Related to compressor technology, the present application provides a multi-stage compressor, an electrical appliance and a control method. The compressor includes a low-pressure cylinder and a high-pressure cylinder. The casing of the compressor includes a back pressure chamber and a first liquid separator. The compressor and the second liquid distributor, the intake pipe of the compressor is connected to the intake end of the low-pressure cylinder through the first liquid distributor; the second liquid distributor includes a first cavity and a second Cavity, the first cavity is connected to the back pressure chamber, the intake port of the high pressure cylinder is connected to the first cavity, the bottom of the first cavity has an oil return hole, the The refrigerated oil in the first cavity is connected to the second cavity through the oil return hole; the air supply pipe of the compressor is connected to the back pressure cavity through the second cavity. The second liquid separator, which is set as two independent cavities at the top and bottom, increases the function of gasoline separation before the high-pressure cylinder suction, reduces the high-pressure cylinder suction oil, avoids cylinder pressure oil, and improves the reliability of the compressor.

Description

technical field [0001] The present application relates to compressor technology, in particular to a multi-stage compressor, an electrical appliance and a control method. Background technique [0002] A multi-stage compressor refers to a compressor that gradually increases the gas pressure in stages, generally including a low-pressure cylinder and a high-pressure cylinder, or one or more intermediate-stage pressure cylinders can also be configured. Among them, the two-stage enthalpy-increasing frequency conversion compressor occupies an increasingly important position in the fields of air conditioners, heat pump water heaters, refrigeration and other fields due to its high efficiency in low temperature conditions. [0003] The structural characteristics of the conventional two-stage enthalpy-increasing compressor can be summarized as follows: the exhaust gas of the high-pressure stage is connected to the shell, and the shell has high back pressure; the cylinder of the high-pr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B1/10F25B31/00F25B43/02F25B49/02F04B49/06
CPCF25B1/10F25B31/004F25B43/02F25B49/022F04B49/06F25B2400/077Y02B40/00
Inventor 魏会军黄秦阙沛祯胡艳军董辉向柳
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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