Abstract: A combined heat exchanger is provided. The combined heat exchanger includes at least two heat exchanger cores, a first communicating member and a second communicating member. Each of the at least two heat exchanger cores includes at least a first collecting pipe, a second collecting pipe and multiple flat pipes. The flat pipes are vertically disposed between the first collecting pipe and the second collecting pipe. Both ends of the first communicating member are in communication with the first collecting pipes of two adjacent heat exchanger cores, respectively; both ends of the second communicating member are in communication with the second collecting pipes of the two adjacent heat exchanger cores, respectively; and the two adjacent heat exchanger cores are disposed on different planes.

Abstract: A liquid distributor and a heat exchanger are provided. The liquid distributor includes a sleeve, a distribution structure, and a turbulence plate. The sleeve is in communication with heat exchange tubes. The distribution structure is located inside the sleeve and connected to the sleeve, and the distribution structure can divide the interior of the sleeve into at least a first chamber and a second chamber which are in communication with each other. The first chamber is located at a side of the distribution structure away from the heat exchange tubes, and the second chamber is located at a side of the distribution structure proximal to the heat exchange tubes. The turbulence plate is located in the second chamber, connected to the sleeve, and spaced apart from the distribution structure. The heat exchange tubes are partly inserted into the turbulence plate and are in communication with the second chamber.

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 fixing structure and an insertion-plate-type heat exchanger having the fixing structure are provided. The fixing structure is applied to the insertion-plate-type heat exchanger and includes a plurality of heat exchanger tubes and insertion plates, the heat exchanger tubes are inserted into the insertion plates along a direction perpendicular to an extending direction of each of the insertion plates, and the fixing structure is located on a side surface and/or an end surface of the insertion-plate-type heat exchanger. The fixing structure includes a first fixing portion and a second fixing portion connected to each other, the first fixing portion is fixedly connected to the heat exchanger tubes, and the second fixing structure is fixedly connected to an external machine. The insertion-plate-type heat exchanger includes the fixing structure.

Abstract: A heat exchanger, including: a first heat exchange portion, the first heat exchange portion including a plurality of first flat tubes disposed at intervals, each first flat tube including a first heat exchange tube section and a second heat exchange tube section connected with each other, the first heat exchange tube section and the second heat exchange tube section being disposed at a preset angle; a first manifold and a second manifold, the first heat exchange tube sections of the plurality of first flat tubes all being connected with the first manifold, and the second heat exchange tube sections of the plurality of first flat tubes being connected with the second manifold; and a second heat exchange portion, disposed at the end portion of the first heat exchange portion, the first heat exchange portion and the second heat exchange portion enclosing to form an air duct.

Abstract: Disclosed is a heat exchanger, including: at least two heat exchange tube groups—wherein each heat exchange tube group includes at least two heat exchange tubes; and a connecting member, wherein the at least two heat exchange tubes are communicated with each other by the connecting member—the at least two heat exchange tube groups are connected by the connecting member, and the at least two heat exchange tube groups are not communicated with each other.

Abstract: A heat exchanger, including: a plurality of flat pipes, wherein, the plurality of flat pipes are arranged at intervals; first sealing cushion blocks, arranged between two adjacent flat pipes, wherein the first sealing cushion blocks are located on end portions of the flat pipes, so as to seal gaps between two adjacent flat pipes by means of the first sealing cushion blocks; and a flow collecting shell, provided with a first opening portion, wherein at least part of the first sealing cushion blocks and the end portions of the flat pipes are all plugged into the first opening portion, so that the flow collecting shell, the flat pipes and the first sealing cushion blocks form a flow collecting channel in an encircling manner.

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 a microchannel heat exchanger are provided. The heat exchanger includes a plurality of heat exchange pipes arranged in sequence along a preset direction, each of the plurality of heat exchange pipes is a flat pipe and includes a first pipe segment and a second pipe segment which are connected with each other; the first pipe segments is provided with a preset bending line, and the preset bending line is perpendicular to the preset direction; an included angle is defined between a plane where a flat side of the first pipe segment is located and a plane where a corresponding flat side of the second pipe segment is located, after the plurality of first pipe segments being bent along the preset bending line, the first pipe segments of adjacent two of the heat exchange pipes are capable of being in contact with each other.

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: Some embodiments of the present disclosure provides a heat exchanger, including: a plurality of flat pipes disposed at intervals, wherein the flat pipe is provided with an inlet portion and an outlet portion, and both the inlet portion and the outlet portion are located on a first end of the flat pipe; a first sealing cushion block, disposed between two adjacent flat pipes; and a flow collecting portion, provided with a first opening portion and a second opening portion, wherein the first opening portion is disposed opposite to the inlet portion, and the second opening portion is disposed opposite to the outlet portion. The first sealing cushion block includes a first sealing portion and a second sealing portion.

Abstract: A combined heat exchanger is provided. The combined heat exchanger includes at least two heat exchanger cores, a first communicating member and a second communicating member. Each of the at least two heat exchanger cores includes at least a first collecting pipe, a second collecting pipe and multiple flat pipes. The flat pipes are vertically disposed between the first collecting pipe and the second collecting pipe. Both ends of the first communicating member are in communication with the first collecting pipes of two adjacent heat exchanger cores, respectively; both ends of the second communicating member are in communication with the second collecting pipes of the two adjacent heat exchanger cores, respectively; and the two adjacent heat exchanger cores are disposed on different planes.

Abstract: The present disclosure provides a heat exchanger, including flat tubes and at least one fin, wherein each flat tube includes a first tube section, a bent tube section and a second tube section, which are connected in sequence; a plurality of flat tubes are provided, and the plurality of flat tubes are arranged in an array; and an extension direction of each fin is perpendicular to an extension direction of the each flat tube, the each fin is connected to at least a part of the plurality of bent tube sections, and the each fin shields at least a part of the structures of the plurality of bent tube sections.

Abstract: A detection method and a detection device for branch states of a battery system are provided. A current on/off state of each branch is judged according to a first open circuit voltage of the corresponding branch and a second open circuit voltage corresponding to the battery system. Time for detecting and diagnosing each branch state can be reduced. It solves that the problem of longer time consumption and large error caused by the determination of the status of each branch through the change of the voltage of each branch in the prior art. A detection efficiency of branch states and an accuracy of detection results of branch states are both improved. The detection method is simple and quick to operate, and will not cause the complexity to increase rapidly as the number of branches increases. The detection method has good feasibility and practicability, and has a wide range of applications.

Abstract: Disclosed is a heat exchanger, including: at least two heat exchange tube groups—wherein each heat exchange tube group includes at least two heat exchange tubes; and a connecting member, wherein the at least two heat exchange tubes are communicated with each other by the connecting member—the at least two heat exchange tube groups are connected by the connecting member, and the at least two heat exchange tube groups are not communicated with each other. The heat exchanger solves a problem that the structure of the heat exchanger with an A type structure in a technology known to inventors is complicated.

Abstract: The present disclosure provides a heat exchanger, including: a plurality of flat pipes, wherein, the plurality of flat pipes are arranged at intervals; first sealing cushion blocks, arranged between two adjacent flat pipes, wherein the first sealing cushion blocks are located on end portions of the flat pipes, so as to seal gaps between two adjacent flat pipes by means of the first sealing cushion blocks; and a flow collecting shell, provided with a first opening portion, wherein at least part of the first sealing cushion blocks and the end portions of the flat pipes are all plugged into the first opening portion, so that the flow collecting shell, the flat pipes and the first sealing cushion blocks form a flow collecting channel in an encircling manner.

Abstract: Some embodiments of the present disclosure provides a heat exchanger, including: a plurality of flat pipes disposed at intervals, wherein the flat pipe is provided with an inlet portion and an outlet portion, and both the inlet portion and the outlet portion are located on a first end of the flat pipe; a first sealing cushion block, disposed between two adjacent flat pipes; and a flow collecting portion, provided with a first opening portion and a second opening portion, wherein the first opening portion is disposed opposite to the inlet portion, and the second opening portion is disposed opposite to the outlet portion. The first sealing cushion block includes a first sealing portion and a second sealing portion.

Abstract: A detection method and a detection device for branch states of a battery system are provided. A current on/off state of each branch is judged according to a first open circuit voltage of the corresponding branch and a second open circuit voltage corresponding to the battery system. Time for detecting and diagnosing each branch state can be reduced. It solves that the problem of longer time consumption and large error caused by the determination of the status of each branch through the change of the voltage of each branch in the prior art. A detection efficiency of branch states and an accuracy of detection results of branch states are both improved. The detection method is simple and quick to operate, and will not cause the complexity to increase rapidly as the number of branches increases. The detection method has good feasibility and practicability, and has a wide range of applications.