Abstract: A heat exchanger processing method, in which a heat exchanger includes a plurality of micro-channel flat tubes, and the heat exchanger processing method includes: providing a plurality of micro-channel flat tubes, in which each micro-channel flat tube includes a plurality of channels extending in a length direction of the micro-channel flat tube, and the plurality of micro-channel flat tubes are spaced in a first direction; moving a collection assembly starting from an initial position along the first direction to collect specific information of one or more micro-channel flat tubes one by one, and transmitting the specific information to a control assembly; comparing, by the control assembly, the specific information with pre-stored information and generating, based on a comparison result, feedback information; generating, by an instruction assembly based on the feedback information, instruction information; and adjusting a position of a corresponding micro-channel flat tube based on the instruction informati

Abstract: A method for processing a heat exchanger includes: preparing a plurality of heat exchange tube semi-finished products, each heat exchange tube semi-finished product including a first wall and a second wall arranged in a thickness direction of the heat exchange tube semi-finished product, and the second wall having a first gap penetrating the second wall in the thickness direction; arranging N heat exchange tube semi-finished products spaced apart by a predetermined distance in a first direction, N>4, the thickness direction of the heat exchange tube semi-finished product being parallel or angled to the first direction, and in the first direction, the arranged heat exchange tube semi-finished products being sequentially defined as a first tube, a second tube, . . . , a N?1th tube, and a Nth tube; placing the second wall of the first tube towards the second tube; and placing the second wall of the Nth tube towards the N?1th tube.

Abstract: A heat exchanger processing method, in which a heat exchanger includes a plurality of micro-channel flat tubes, and the heat exchanger processing method includes: providing a plurality of micro-channel flat tubes, in which each micro-channel flat tube includes a plurality of channels extending in a length direction of the micro-channel flat tube, and the plurality of micro-channel flat tubes are spaced in a first direction; moving a collection assembly starting from an initial position along the first direction to collect specific information of one or more micro-channel flat tubes one by one, and transmitting the specific information to a control assembly; comparing, by the control assembly, the specific information with pre-stored information and generating, based on a comparison result, feedback information; generating, by an instruction assembly based on the feedback information, instruction information; and adjusting a position of a corresponding micro-channel flat tube based on the instruction informati

Abstract: A heat exchanger includes a first pipe, a second pipe, a plurality of heat exchange tubes, an inlet/outlet pipe, and a first member. The first pipe has a main channel, and the heat exchange tube is connected between the first pipe and the second pipe. The heat exchange tube includes a plurality of channels disposed to be spaced apart. The plurality of channels include a first channel with a largest flow cross-sectional area and a second channel with a smallest flow cross-sectional area. The first member is located in the main channel of the first pipe to define a first flow channel and a second flow channel. The first flow channel is connected to the inlet/outlet pipe, and the second flow channel is connected to the heat exchange tube. The first member includes through-holes.

Abstract: A method and device for processing a heat exchanger. The heat exchanger processing device comprises: a first assembly for placing a flat tube group, wherein the first assembly comprises a limiting portion, and the limiting portion is used for limiting the flat tube group in the first direction; and a second assembly, wherein a height direction of the first assembly is defined as a second direction, at least part of the second assembly is located above the first assembly in the second direction, and the second assembly comprises a clamping member, the clamping member for clamping a fin group; and a press-fitting member connected to the clamping member, and the press-fitting member being movable in the second direction so as to press-fit the fin group onto the flat tube group in the second direction.

Abstract: A connector includes a tubular portion, a flange portion, and a first protruding portion. The tubular portion includes a first through hole and a first wall, the first wall is arranged around the first through hole, and the first wall includes a first end face that includes a first opening. The flange portion is located at an end of tubular portion in an axial direction. The flange portion includes a first side face arranged around the first wall, the flange portion further includes a second end face and a third end face which are arranged in the axial direction of the tubular portion. The first protruding portion is connected to the first wall, and the first protruding portion is located outside the first through hole in the axial direction of the tubular portion.

Abstract: A bent heat exchanger is provided. The bent heat exchanger includes: a first header and a second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube. The first header and the second header each have a slot running through a wall thereof and a protrusion arranged to an inner surface of the wall thereof. The protrusion includes an arc portion connected to the edge of the slot, and an extension portion protruding inwards from the arc portion. An arc radius of the arc portion is less than or equal to and greater than 0.6 times a thickness of a wall of the corresponding first header or second header.

Abstract: A heat exchanger includes a first pipe, a second pipe, a plurality of heat exchange tubes, an inlet/outlet pipe, and a first member. The first pipe has a main channel, and the heat exchange tube is connected between the first pipe and the second pipe. The heat exchange tube includes a plurality of channels disposed to be spaced apart. The plurality of channels include a first channel with a largest flow cross-sectional area and a second channel with a smallest flow cross-sectional area. The first member is located in the main channel of the first pipe to define a first flow channel and a second flow channel. The first flow channel is connected to the inlet/outlet pipe, and the second flow channel is connected to the heat exchange tube. The first member includes through-holes.

Abstract: A heat exchanger and an air conditioning unit with multiple refrigeration systems. The heat exchanger includes a first header, a second header, a third header, a fourth header, a heat exchange tube including a first heat exchange tube and a second heat exchange tube alternately arranged in a length direction of the header, and fins. The first heat exchange tube or the second heat exchange tube or both has a bent section and includes a first section, a middle section, and a second section, and the heat exchanger includes a first part including the first section, a middle part, and a second part. The middle part of the heat exchanger includes the middle section and the fins, and air flowing through the heat exchanger passes through the middle part and then the first part, or passes through the first part and then the middle part.

Abstract: A heat pump system includes a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and an indoor heat exchanger connected in sequence to form a refrigerant main circuit. The outdoor heat exchanger includes at least one double-rowed heat exchanger. The heat pump system has a cooling mode and a heating mode, and further includes a switching unit. The switching unit is connected in the refrigerant main circuit, and switches a flow direction of a refrigerant, such that the refrigerant flows into the outdoor heat exchanger through one of the first heat exchanger and the second heat exchanger, and flows out of the outdoor heat exchanger through the other one of the first heat exchanger and the second heat exchanger both in the cooling mode and in the heating mode.

Abstract: A bent heat exchanger is provided. The bent heat exchanger includes: a first header and a second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube. The first header and the second header each have a slot running through a wall thereof and a protrusion arranged to an inner surface of the wall thereof. The protrusion includes an arc portion connected to the edge of the slot, and an extension portion protruding inwards from the arc portion. An arc radius of the arc portion is less than or equal to and greater than 0.6 times a thickness of a wall of the corresponding first header or second header.

Abstract: A heat pump system includes a compressor, a four-way valve, an outdoor heat exchanger, a throttling device and an indoor heat exchanger connected in sequence to form a refrigerant main circuit. The outdoor heat exchanger includes at least one double-rowed heat exchanger. The heat pump system has a cooling mode and a heating mode, and further includes a switching unit. The switching unit is connected in the refrigerant main circuit, and switches a flow direction of a refrigerant, such that the refrigerant flows into the outdoor heat exchanger through one of the first heat exchanger and the second heat exchanger, and flows out of the outdoor heat exchanger through the other one of the first heat exchanger and the second heat exchanger both in the cooling mode and in the heating mode.

Abstract: A bent heat exchanger including a first header and a second header; a plurality of flat tubes, two ends of the flat tube being connected to the first header and the second header respectively, the plurality of flat tubes being spaced apart from one another along axial directions of the first and second header; and fins, each disposed between adjacent flat tubes, extending in a corrugated shape along a length direction of the flat tube, in which a thickness of the fin is FT, a larger one of outer diameters of the first header and the second header is OD, a larger one of wall thicknesses of the first header and the second header is T, a width of the flat tube is W, an arc radius of the fin is FR, and a height of the fin is FH, in which 0.01?(100 ×FT×FR×T)/(FH×OD)?9.