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Indoor machine of floor type air conditioner

An indoor machine of a floor type air conditioner comprises an upper frame arranged on a machine body. A heat exchanger, a cross flow wind wheel assembly and air channels accommodating the heat exchanger and the cross flow wind wheel assembly are arranged inside the upper frame. An air inlet is respectively arranged on the left side, the right side and the rear side of the upper frame. The air inlets comprise a left air inlet, a right air inlet and a rear air inlet, positions where the left air inlet and the right air inlet are connected with the rear air inlet are provided with a rear left air inlet and a rear right air inlet respectively. Air outlets communicated with the air inlets are arranged in the front of the upper frame and comprise a left air outlet and a right air outlet. Under a condition that the dimension of an indoor machine body of the traditional floor type air conditioner is not increased, two independent air channels which are not communicated with each other are adopted, air inlets are arranged on the left side, the right side and the rear side of the upper frame, and the air inlets are around a U-shaped integral heat exchanger and the cross flow wind wheel assembly, thereby effectively increasing air inlet quantity, air output quantity and heat exchanging area and increasing heat exchanging quantity and efficiency.