Abstract: A fin and a heat exchanger having same are provided. The fin includes a first connecting segment, the second connecting segment is used for being bent, and the second connecting segment has a first connecting end and a second connecting end opposite each other, and the first connecting end is arranged on the side of the second connecting end away from the third connecting segment; an extension direction from the first connecting end to the second connecting end is a length direction of the second connecting segment; and along the length direction of the second connecting segment, the second connecting segment can be bent and deformed, so that the second connecting segment of a straight-strip structure forms an arcuate-strip structure after being bent.

Abstract: A microchannel heat exchanger group and an air conditioning system having the same are provided. The microchannel heat exchanger group includes a plurality of fins and a plurality of rows of first flat tubes and a plurality of rows of second flat tubes; the microchannel heat exchanger group includes at least a first heat exchanger and a second heat exchanger; the first heat exchanger and the second heat exchanger are independent of each other; the first heat exchanger includes the first flat tubes; the second heat exchanger includes the second flat tubes; insertion slots include first insertion slots and second insertion slots; the first flat tubes are inserted into the first insertion slots; and the second flat tubes are inserted into the second insertion slots. The air conditioning system includes the microchannel heat exchanger group.

Abstract: A heat exchanger and an air conditioning system are provided. The heat exchanger includes a first fin and a plurality of flat pipes parallel to each other and arranged at interval, wherein each of the plurality of flat pipes includes a reserved pipe section, each of the plurality of flat pipes is bent at the reserved pipe section, the first fin is connected to the reserved pipe section and is capable of covering gaps between a plurality of reserved pipe sections; and wherein along an extending direction of the reserved pipe section, a width of the first fin is defined as W1, the number of the first fin is n, a length of the reserved pipe section is defined as L, and the width W1 of the first fin, the number n of the first fin, the length L of the reserved pipe section satisfy following relationship: W 1 ? L / n .

Abstract: A micro-channel heat exchanger is provided. The micro-channel heat exchanger includes a plurality of fins and a plurality of flat tubes, wherein the plurality of fins are arranged in parallel to form multiple rows, and the fins are provided with insertion slots; and the plurality of flat tubes are arranged in parallel to form multiple layers, and the flat tubes are arranged in the insertion slots in a penetrating manner. The micro-channel heat exchanger further comprises a distributor and adapter tubes, wherein the distributor is provided with a plurality of capillary tubes, one end of the adapter tube is connected to and in communication with the capillary tubes, and the other end of the adapter tube is connected to and in communication with the flat tubes.

Abstract: The present disclosure provides a flat tube and a heat exchanger, in which a bent section is formed in the middle of the flat tube, regions of the flat tube outside the bent section form two straight sections, the bent section includes a bent portion and two twisting portions, two ends of each twisting portion are connected to one end of the bent section and one straight section respectively; wherein the bent portion bends around an axis parallel to the thickness direction of the flat tube, the minimum radius of curvature of the inner side of the bent portion is RNmin, and the thickness of the flat tube is t, t<RNmin<5t.

Abstract: A heat exchanger and an air conditioning device are provided. The heat exchanger includes a plurality of fins and a plurality of flat pipes arranged in parallel. Each of the plurality of flat pipes includes a first finned region, a second finned region, and a finless region. An end of the finless region connected to the first finned region is twisted and defined as a first torsion section, the other end of the finless region connected to the second finned region is twisted and defined as a second torsion section, and a portion of the finless region between the first torsion section and the second torsion section is defined as a connecting section.

Abstract: A heat exchanger and an air conditioner are provided. The heat exchanger includes fins and flat pipes arranged in parallel. Each of the flat pipes includes a first finned region, a second finned region, and a finless region. The first finned region is the second finned region via the finless region. The fins are provided both between adjacent two first finned regions and adjacent two second finned regions. An end of the finless region connected to the first finned region is twisted and defined as a first torsion section, the other end of the finless region connected to the second finned region is twisted and defined as a second torsion section.