Heat exchanger
The utility model discloses a heat exchanger. The heat exchanger comprises a first pipe, a second pipe and a plurality of heat exchange pipes. The plurality of heat exchange tubes comprise first heatexchange tubes and second heat exchange tubes of which the number is less than that of the first heat...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a heat exchanger. The heat exchanger comprises a first pipe, a second pipe and a plurality of heat exchange pipes. The plurality of heat exchange tubes comprise first heatexchange tubes and second heat exchange tubes of which the number is less than that of the first heat exchange tubes; at least part of a pipe body of the first heat exchange pipe is formed by foldinga plate. A pipe body of the second heat exchange pipe is formed by one-time forming and processing; the first pipe comprises at least two end faces. The second heat exchange tube comprises a first side face and a second side face which are oppositely arranged in the length direction of the first tube, and the distance between the first side face of the second heat exchange tube and one end face ofthe first tube is smaller than the distance between the first side face of the second heat exchange tube and the other end face of the first tube. The heat exchanger can improve the welding quality of the heat exchanger.
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