Parallel system of multiple high-pressure cavity compressors

A technology for compressors and high-pressure chambers, applied to compressors, refrigerators, refrigeration components, etc., can solve problems such as unfavorable system oil return control, refrigeration oil backflow to other containers, etc., to ensure oil supply and improve reliability Effect

Active Publication Date: 2014-06-25
GREE ELECTRIC APPLIANCES INC
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AI Technical Summary

Problems solved by technology

[0002] The parallel system of multiple high-pressure chamber compressors shares the same gas-liquid separator, and the suction pipe of the compressor directly enters the compression chamber of the compressor. If a large amount of refrigeration oil in the system directly enters the compression chamber of the compressor through the oil separator, it will cause Cause liquid compression, especially when the system using straight-through oil separator is shut down, the inclined design of the pipeline in the prior art will easily cause the refrigerator oil to flow back to other containers, which is not conducive to the oil return control of the system

Method used

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  • Parallel system of multiple high-pressure cavity compressors

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Embodiment Construction

[0017] Embodiments of the present invention are described in detail below in conjunction with accompanying drawings:

[0018] Such as figure 1 As shown in FIG. 2 , it illustrates the flow diagram of the refrigeration machine oil when the compressors of the parallel system of multiple high-pressure chamber compressors of the present invention stop running. Multiple high-pressure chamber compressor parallel systems, which can connect multiple compressors in parallel, share the same gas-liquid separator, and directly exhaust through the exhaust main pipe. In this embodiment, two compressors share the same gas-liquid separator .

[0019] Multiple high-pressure cavity compressor parallel system, which includes compressor 1 and compressor 2, oil separator 3 and oil separator 4, gas-liquid separator 5, oil separator oil return pipe 11 and oil separator oil return pipe 12, and The suction pipe 14 connected to the compressor 1 and the suction pipe 15 connected to the compressor 2, th...

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Abstract

The invention discloses a parallel system of multiple high-pressure cavity compressors. Due to the design of an inverse U-shaped pipe, an overflow pipe and an oblique main pipe, the refrigerating machine oil reflowing from an oil separator is prevented from flowing back to compressors when all the compressors stop running, and more oil reflowing from the oil separator can be stored in a vapor-liquid separator through the overflow pipe so as to prevent liquid blockage; when the compressors run in low loads and the coolant flow rate of an air suction pipe is low, the oil can be prevented from flowing back to the vapor-liquid separator; after a certain oil quantity is accumulated in the oblique main pipe, the oil is directly recycled to the compressors, so that the oil supply of the compressors is ensured; and the system can avoid liquid compression or liquid blockage of the compressors in each state of the compressors, so that the reliability of the compressor is improved.

Description

technical field [0001] The invention belongs to an air-conditioning and refrigeration system, in particular to a pipeline system in which a plurality of high-pressure cavity compressors are connected in parallel. Background technique [0002] The parallel system of multiple high-pressure chamber compressors shares the same gas-liquid separator, and the suction pipe of the compressor directly enters the compression chamber of the compressor. If a large amount of refrigeration oil in the system directly enters the compression chamber of the compressor through the oil separator, it will cause Cause liquid compression, especially when the system using the straight-through oil separator is shut down, the inclined design of the pipeline in the prior art will easily cause the refrigerator oil to flow back to other containers, which is not conducive to the oil return control of the system. Contents of the invention [0003] The parallel pipeline system of multiple high-pressure ca...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F25B31/00
Inventor 张仕强王成刘合心
Owner GREE ELECTRIC APPLIANCES INC
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