Heat exchanger
A heat exchanger and heat transfer tube technology, applied in heat exchange equipment, heat exchanger shells, heating methods, etc., can solve problems such as water scattering and unstable condensate action.
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no. 1 approach
[0071] figure 1 with figure 2 An indoor unit applicable to an air conditioner according to the first embodiment of the present invention is shown (refer to Figure 21 , Figure 23 etc.) the structure and function of the air heat exchanger.
[0072] The air heat exchanger 32 ( 32 b ) is constituted by the heat transfer tube 12 , the heat transfer fins 13 a and 13 b , the cut and raised sheet 14 , and a not-shown tube sheet. The heat transfer tubes 12 are arranged in two rows on the upstream side (front side) and the downstream side (rear side) of the airflow F, and are alternately shifted. The heat transfer fins 13 a and 13 b are arranged at predetermined pitches along the axis of the heat transfer tube 12 and arranged in parallel to each other. The cut-and-raised sheet 14 is composed of a plurality of slits 14a, 14b, and is provided on the upper side and the lower side of each heat transfer tube 12 on the heat transfer surface of each heat transfer fin 13a. The tube shee...
no. 2 approach
[0080] image 3 with Figure 4 The structure of the air heat exchanger applied to the indoor unit for air conditioners concerning 2nd Embodiment of this invention is shown.
[0081] In this embodiment, in the same cross-fin coil type air heat exchanger as in the first embodiment, the Figure 24 Similarly to the conventional example of the above-mentioned conventional example, split-type slits 14a are used as the cut-out and raised pieces 14 in the vicinity of both side edges of the respective heat transfer fins 13a and 13b. Furthermore, if Figure 4 As shown, linear cutouts (line portions) a, b, c extending in the longitudinal direction and having a predetermined length are provided at the upper end and lower end of each slit 14a, 14b and at the center of each slit 14a. Here, the notch b located between the dividing slits 14a is continuous with the notch c extending downward and the notch a extending upward. In this case, the condensed water flowing down the fin surface fl...
no. 3 approach
[0083] Figure 5The configuration of the air heat exchanger applied to the indoor unit for an air conditioner according to the third embodiment of the present invention is shown.
[0084] In this embodiment, like the second embodiment, a split-type slit 14 a is used as the cut-and-raised piece 14 . However, unlike the second embodiment, the dividing surface of the slit dividing part is not inclined but extends along the horizontal direction. Further, linear cutouts (line portions) a, b, c extending in the longitudinal direction and having a predetermined length are provided at the upper end and the lower end of each slit 14a, 14b and at the center of each slit 14a. Here, the notch b located between the dividing slits 14a is continuous with the notch c extending downward and the notch a extending upward. In this case, the condensed water flowing down the fin surface flows into the respective slits 14a, 14b through the line portions a, b, and the condensed water flows smoothly...
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