An air-condition system having a cooling mode and a heating mode, comprising:
- a compressor, an outdoor heat exchanger for performing heat exchange with an outer environment, an air-condition assembly, and a first and a second throttling components, the air-condition assembly comprising a first heat exchanger, a second heat exchanger, and a first air door for controlling whether air pass through the first heat exchanger;
- a first electron magnetic valve, a second electron magnetic valve, and a third electron magnetic valve;
- the outdoor heat exchanger comprising a first manifold, a second manifold, a plurality of flat tubes between the first manifold and the second manifold, and a plurality of fins arranged between each two adjacent flat tubes, the first manifold and the second manifold respectively comprising a plurality of connecting ports for connecting the plurality of flat tubes, two ends of each of the plurality of flat tubes being inserted into the connecting ports of the first manifold and the second manifold, each of the plurality of flat tubes connecting with the first manifold and the second manifold, the two ends of the first manifold being respectively sealed with a cap, the first manifold further comprising an allocation tube having a plurality of allocation holes, refrigerant fluidly connects from the allocation tube connecting with the first manifold via the allocation holes;
- the allocation tube inserting into the first manifold via the cap located at one end of the first manifold, a second opening being configured on a tube wall of the first manifold, the outer heat exchanger further comprising a first connecting pipe, a second connecting pipe, and a third connecting pipe, wherein the first connecting pipe communicating with the first manifold via the second opening, the second connecting pipe communicating with the allocation tube, and the third connecting pipe communicating with the second manifold, an effective flow area of the first connecting pipe is larger than an effective flow area of the allocation tube, the second opening of the first manifold faces toward the external wall of the allocation tube, the second opening and an external wall of the allocation tube are spaced apart at a certain distance, and the second opening, the plurality of flat tubes, and the allocation tube are prevented from being interfered by each other;
- an outlet of the compressor communicating with an inlet of the first heat exchanger, a first outlet pipeline and a second outlet pipeline are communicated with an outlet of the first heat exchanger, the first pipeline communicating with the first connecting pipe of the outdoor heat exchanger via the first electron magnetic valve, and the second pipeline communicating with the second connecting pipe of the outdoor heat exchanger via the first throttling component, two outlet pipelines are from outlet of the third connecting pipe of the outdoor heat exchanger, one outlet pipeline of the two outlet pipelines communicates with the inlet of the compressor via the second electron magnetic valve and a gas-liquid divider, an other outlet pipeline of the two outlet pipelines communicates with the inlet of the second heat exchanger via the third electron magnetic valve and the second throttling component;
- and
- an outlet of the second heat exchanger connecting to the inlet of the compressor via the gas-liquid divider.