一种连体式气油液分离结构

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By merging the gas-liquid separator and oil separator into a single integrated structure, and adopting a bypass oil return structure and solenoid valve control, the problems of high noise, high cost, and low efficiency in existing air conditioning systems have been solved, achieving noise reduction, increased production efficiency, and improved oil return effect.

CN224517084UActive Publication Date: 2026-07-17MITSUBISHI HEAVY IND HAIER QINGDAO AIR CONDITIONERS CO LTD

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Patent Information

Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner: MITSUBISHI HEAVY IND HAIER QINGDAO AIR CONDITIONERS CO LTD
Filing Date: 2025-07-10
Publication Date: 2026-07-17

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Abstract

本实用新型涉及空调技术领域，具体为一种连体式气油液分离结构，包括气液分离器壳体、油分离器壳体、旁通回油结构，所述油分离器壳体与气液分离器壳体固定连接，气液分离器壳体的底部和油分离器壳体的底部连接旁通回油结构，所述旁通回油结构包括旁通管路、毛细管、电磁阀，所述旁通管路一端连接气液分离器壳体，另一端连接油分离器壳体，毛细管、电磁阀连接在旁通管路上。将独立的气分和油分合并为一体设计，提高制造效率，删除单独的回油回路，合并到气油液分离机构，降低材料费用；将回油及旁通回路合并设计，将回油口设置在气分底部，系统管组最低点，降低重力作用影响。

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Claims

1. A one-piece gas-oil-liquid separation structure, characterized by: The device includes a gas-liquid separator housing, an oil separator housing, and a bypass oil return structure. The oil separator housing is fixedly connected to the gas-liquid separator housing. The bottom of the gas-liquid separator housing and the bottom of the oil separator housing are connected to the bypass oil return structure. The bypass oil return structure includes a bypass pipeline, a capillary tube, and a solenoid valve. One end of the bypass pipeline is connected to the gas-liquid separator housing, and the other end is connected to the oil separator housing. The capillary tube and the solenoid valve are connected to the bypass pipeline. The height of the end of the bypass pipeline connected to the oil separator housing is higher than the end connected to the gas-liquid separator housing.

2. The integrated gas-oil-liquid separation structure according to claim 1, wherein: A temperature sensor is installed at the bottom of the gas-liquid separator housing.

3. The integrated gas-oil-liquid separation structure according to claim 1, wherein: The oil separator housing and the gas-liquid separator housing are fixedly connected by welding.

4. The integrated gas-oil-liquid separation structure according to claim 1, wherein: The air inlet and outlet on the upper part of the gas-liquid separator housing are flared structures.

5. The integrated gas-oil-liquid separation structure according to claim 1, wherein: The specifications of the capillary tube are matched according to the capacity of the air conditioner model.

6. The integrated gas-oil-liquid separation structure according to claim 1, wherein: The bottom of the gas-liquid separator housing and the oil separator housing are respectively connected to the ground feet.