Indoor unit
An indoor unit and fan technology, which is applied in the field of indoor units, can solve the problems of large size and poor heating comfort from the side of the indoor unit, so as to meet the requirements of miniaturization, improve air outlet efficiency and heating comfort, reduce The effect of overall size
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[0040] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0041] like Figures 5 to 7 As shown, the indoor unit according to the present invention (taking the air duct indoor unit as an example) includes a housing 10, a fan 40 is fixed inside the housing 10, a heat exchanger 20 is arranged on the air inlet side of the fan 40, and a heat exchanger 20 is arranged on the housing 10. An air return port 11 and an air outlet 12 respectively located on both sides of the heat exchanger 20 are provided, and the air return port 11 is arranged on the rear side, or the upper side, or both of the rear side and the upper side of the housing 10 , the diffuser 43 of the fan 40 is set downward, and the air outlet 12 is set on the lower side of the housing 10; the heat exchanger includes a multi-fold heat exchanger that is at least two folded, and any adjacent There is an included angle θ between the two folds, where 20°≤θ≤150°. ...
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