Double-path oil return structure of low-pressure circulating barrel

The utility model relates to a low-pressure circulation barrel double-path oil return structure which comprises a low-pressure circulation barrel, a first liquid outlet and a second liquid outlet are formed in the bottom of the low-pressure circulation barrel, the first liquid outlet is connected with an inlet of a heat exchanger through a first connecting pipe, and an outlet of the heat exchanger is connected with an inlet of a compressor. The second liquid outlet is connected with a liquid inlet of the evaporator through a second connecting pipe, a liquid conveying pump is installed on the second connecting pipe, a third connecting pipe is connected between the first connecting pipe and the second connecting pipe, the joint of the second connecting pipe and the third connecting pipe is located behind the liquid conveying pump, and an electromagnetic valve is installed on the third connecting pipe. Part of lubricating oil in the low-pressure circulating barrel can return to the compressor through the two oil