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Enthalpy-increasing component and compressor provided with same

A technology for compressors and components, applied in the field of enthalpy-increasing components, can solve problems such as oil accumulation in enthalpy-increasing components, adverse effects on compressor reliability, and affecting the use of enthalpy-increasing components, so as to improve performance, improve use effects, and avoid lifespan Reduced effect

Inactive Publication Date: 2016-04-20
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the enthalpy-increasing components in the prior art are mainly designed for two-cylinder two-stage enthalpy-increasing compressors. Under the joint influence of air and liquid, when using the existing technology of enthalpy-increasing components, it is easy to accumulate oil in the enthalpy-increasing components, which will not only affect the use effect of the enthalpy-increasing components, but also affect the reliability of the compressor operation. Negative Effects

Method used

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  • Enthalpy-increasing component and compressor provided with same
  • Enthalpy-increasing component and compressor provided with same
  • Enthalpy-increasing component and compressor provided with same

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Embodiment Construction

[0033] Such as figure 1 As shown, in an air conditioner or heat pump water heater system using a two-stage enthalpy-increasing compressor, the refrigerant that comes out of the condenser and is throttled by the first throttling valve A passes through the flash evaporator, enters the enthalpy-increasing component, and then It is mixed with the exhaust air after the first stage compression in the intermediate chamber of the compressor. Another part of the refrigerant coming out of the flash evaporator passes through the second throttling valve B for secondary throttling and then enters the evaporator. Therefore, the enthalpy-increasing component is a key component connecting the flash evaporator and the intermediate chamber of the compressor, which affects the realization of the function of increasing enthalpy and supplementing air.

[0034] It should be noted that the pressure on the air supply pipeline of the system is the air supply pressure, and the pressure between the two...

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Abstract

The invention discloses an enthalpy-increasing component. The enthalpy-increasing component comprises a main shell assembly and a straight tube arranged inside the main shell assembly, the lower end of the straight tube is connected with the lower end of the main shell assembly in a sealed mode, and a containing space is formed between the remaining part of the straight tube and the inner wall of the main shell assembly, wherein a backflow hole is formed in the side wall of the straight tube, and the distance from the backflow hole to the lower end of the main shell assembly is greater than that from the backflow hole to the upper end of the main shell assembly. When the enthalpy-increasing component is applied to a multi-cylinder two-stage enthalpy-increasing variable capacity compressor, the situation of oil accumulation of the enthalpy-increasing component caused by air supplementation backflow under the three-cylinder mode can be effectively avoided, therefore the using effect of the enthalpy-increasing component can be improved, and the situation that the service life of the multi-cylinder two-stage enthalpy-increasing variable capacity compressor is shorted is avoided. The invention further discloses the compressor.

Description

technical field [0001] The invention relates to the technical field of compressors, in particular to an enthalpy increasing component. The invention also relates to a compressor. Background technique [0002] Two-stage enthalpy-increasing inverter compressors are playing an increasingly important role in the fields of air conditioners, water heaters, and refrigeration due to their ability to maintain high efficiency under low temperature conditions. However, the existing two-stage enthalpy-increasing frequency conversion compressors are basically in the form of two cylinders, and are often limited by displacement in low-temperature conditions and other occasions that require high refrigeration capacity. Therefore, it has become an inevitable trend to adopt multi-cylinder two-stage enthalpy-increasing variable-capacity variable-frequency compressors. [0003] The low-pressure stage of the multi-cylinder double-stage enthalpy-increasing variable-capacity inverter compressor ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B39/12F04B41/06
CPCF04B39/123F04B41/06
Inventor 黄辉胡余生魏会军王珺杨欧翔余冰苗朋柯王明华
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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