Abstract: Some embodiments of the present invention provide a heat exchanger flat tube, a heat exchanger flat tube assembly and a heat exchanger. The heat exchanger flat tube includes: a flat tube body having a fin mounting section and a finless section which are communicated with each other, the finless section comprising a straight tube section and a bent section, the fin mounting section being communicated with the straight tube section through the bent section, and the fin mounting section and the straight tube section being oppositely arranged, the end of the fin mounting section away from the bent section is configured to be connected to a header. The present disclosure effectively solves the problem in the art known to inventors that the welding joint between a heat exchanger flat tube and a header is susceptible to corrosion damage.

Abstract: A heat exchanger and a heat exchange system. The heat exchanger includes two heat exchange units, wherein each of the two heat exchange units includes a plurality of heat exchange flat pipes spaced from each other and a collecting pipe in communication with the heat exchange flat pipes, and the heat exchange flat pipes of the two heat exchange units are alternately arranged; and each of the heat exchange flat pipes includes a runner reentering along a length of a corresponding heat exchange flat pipe, an inlet and an outlet are provided at the same end of the corresponding heat exchange flat pipe, the heat exchange units include two collecting pipes, the collecting pipes are configured for communicating the inlet and the outlet, and the two collecting pipes of the same heat exchange unit are disposed at two opposite sides of the heat exchanger.

Abstract: A heat exchanger (100) is provided, including a first manifold (10) and a distributing pipe (40). The distributing pipe (40) includes an elbow portion (41) configured for introducing a refrigerant, the elbow portion extends out of the first manifold (10), and along a direction perpendicular to an axis of the first manifold (10), a projection of the elbow portion (41) is located on the first manifold (10). The first manifold (10) includes a positioning portion (11), and the positioning portion (11) cooperates with the elbow portion (41) to lock the distributing pipe (40) onto the first manifold (10).

Abstract: The present disclosure provides a heat exchanger. The heat exchanger includes a first heat exchange body and a second heat exchange body which are configured to transfer heat, the first heat exchange body and the second heat exchange body are connected with each other, and a connecting gap being provided between the first heat exchange body and the second heat exchange body; and a first baffle and a second baffle, the first baffle and the second baffle are respectively located on two opposite sides of the first heat exchange body and the second heat exchange body, the first baffle and the second baffle being oppositely arranged, and the connecting gap being located between the first baffle and the second baffle.

Abstract: A heat exchanger (100) includes a plurality of fin units (10), a first pipeline unit (2), and a second pipeline unit (3); the plurality of fin units (10) is spaced apart from each other and arranged side by side; the first pipeline unit (2) penetrates through the fin units (10), and includes a plurality of first pipelines (201) distributed at intervals in the length direction of the fin units (10); the second pipeline unit (3) penetrates through the fin units (10); the second pipeline unit (3) and the first pipeline unit (2) are arranged at intervals in the width direction of the fin units (10); the second pipeline unit (3) includes a plurality of second pipelines (301) distributed at intervals in the length direction of the fin units (10); and the pipeline structures of the second pipelines (301) and the first pipelines (201) are different.

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.

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.