CN218002294U - Collecting assembly for heat exchanger and heat exchanger with collecting assembly - Google Patents

Abstract

The utility model discloses a heat exchanger that is used for mass flow subassembly of heat exchanger and has it, a mass flow subassembly includes for the heat exchanger: the heat exchanger includes the heat transfer body and locates the mass flow body of heat transfer body both sides, and the mass flow body of one side wherein is connected with entry and export, and the entry passes through the runner intercommunication with the export, and the runner includes the heat transfer runner of injecing by the heat transfer body and the mass flow runner of injecing by each mass flow body, and wherein at least one mass flow body constructs for the mass flow subassembly, and the mass flow subassembly includes: the first fitting piece and the second fitting piece are sequentially arranged along the interval direction of the current collectors on the two sides, the first fitting piece and the second fitting piece are assembled and connected, and a corresponding current collecting flow channel is formed between the second fitting piece and the first fitting piece. According to the utility model discloses a mass flow subassembly forms corresponding mass flow runner between its first fitting piece and the second fitting piece, and easily production does benefit to reduction in production cost.

Description

Collecting assembly for heat exchanger and heat exchanger with collecting assembly

Technical Field

The utility model belongs to the technical field of the heat exchanger technique and specifically relates to a heat exchanger that is used for mass flow subassembly of heat exchanger and has it.

Background

In the prior art, the collecting pipe is of an integrated structure, so that the processing difficulty of a collecting flow channel is increased, the production is not facilitated, the production cost is increased, and an improved space exists.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a mass flow subassembly for heat exchanger, this mass flow subassembly structure is the form of components of a whole that can function independently assembly, easily production does benefit to reduction in production cost.

According to the utility model discloses a mass flow subassembly for heat exchanger, the heat exchanger includes the heat transfer body and locates the mass flow body of heat transfer body both sides, wherein one side the mass flow body is connected with entry and export, the entry with the export is through the runner intercommunication, the runner include by the heat transfer body inject the heat transfer runner and by each the mass flow runner that the mass flow body inject, wherein at least one the mass flow body structure does the mass flow subassembly, the mass flow subassembly includes: along both sides the first fitting piece and the second fitting piece that the interval direction of mass flow body set gradually, first fitting piece with the second fitting piece assembly links to each other, just the second fitting piece with form correspondingly between the first fitting piece the mass flow runner.

According to the utility model discloses a form, easily production do benefit to reduction in production cost that is used for mass flow subassembly of heat exchanger, through setting up first fitting piece and second fitting piece, and forms corresponding mass flow runner between first fitting piece and the second fitting piece for its mass flow subassembly structure is for the components of a whole that can function independently assembly.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, the edge of first fitting piece has the portion of withholding, the portion of withholding bending type is in order to end deviating from of second fitting piece one side of first fitting piece.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, first fitting piece with the second fitting piece is the rectangular plate, the width both sides edge of first fitting piece has respectively to follow a plurality of the spaced apart setting of length direction of first fitting piece the portion of withholding.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, first fitting piece with at least one in the second fitting piece is punching press panel to it is corresponding to form in the punching press depressed part the mass flow runner, thickness one side of punching press panel is suitable for the orientation the heat transfer body.

According to some embodiments of the present invention, the stamped sheet material is a weldable composite aluminium sheet; and/or the thickness of the punched plate is 1 mm-3 mm.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, the second fitting piece is located deviating from of first fitting piece one side of the heat transfer body, have on the first fitting piece be suitable for with the connecting portion that the heat transfer body is connected.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, connecting portion form to the turn-ups jack, the turn-ups jack be suitable for with the cooperation of pegging graft of heat exchange tube in the heat transfer body.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, the mass flow runner is a plurality of in the mass flow subassembly.

According to the utility model discloses a mass flow subassembly for heat exchanger of some embodiments, a plurality of mass flow runners in the mass flow subassembly are along the width direction spacing of mass flow subassembly, and every mass flow runner all extends along the length direction of mass flow subassembly; or a plurality of said collector flow channels within said collector assembly are spaced apart along the length of said collector assembly and each said collector flow channel extends along the width of said collector assembly; or the plurality of collecting flow channels in the collecting assembly form a first group and a second group, the plurality of collecting flow channels in the first group are spaced along the width direction of the collecting assembly, each collecting flow channel extends along the length direction of the collecting assembly, the plurality of collecting flow channels in the second group are spaced along the length direction of the collecting assembly, and each collecting flow channel extends along the width direction of the collecting assembly.

The utility model also provides a heat exchanger.

According to the utility model discloses heat exchanger, include: the heat exchanger body with locate the mass flow body of heat exchanger body both sides, one of them side the mass flow body is connected with entry and export, the entry with the export passes through the runner intercommunication, the runner includes by the heat transfer runner that the heat exchanger body was injectd and by each the mass flow runner that the mass flow body was injectd, wherein at least one the mass flow body structure is the current collection subassembly of above-mentioned any embodiment.

According to the utility model discloses some embodiments's heat exchanger has the entry with the export the mass flow body is first mass flow body, another the mass flow body is the second mass flow body, the heat transfer body is including injecing the heat exchange tube of heat transfer runner, the both ends of heat exchange tube extend to respectively first mass flow body with the second mass flow body.

According to the utility model discloses the heat exchanger of some embodiments, the heat exchange tube is a plurality of and includes first heat exchange tube and second heat exchange tube, what first mass flow formed in the body the mass flow runner includes first runner and second runner, first runner intercommunication entry and each first heat exchange tube, the second runner intercommunication is each the second heat exchange tube with the export, what second mass flow formed in the body the mass flow runner includes the third runner, the third runner intercommunication first heat exchange tube with the second heat exchange tube.

According to the heat exchanger of some embodiments of the present invention, the plurality of heat exchange pipes include a plurality of first heat exchange units, each of the first heat exchange units includes one of the first heat exchange pipes and one of the second heat exchange pipes, the third flow channel is a plurality of flow channels and corresponds to the plurality of first heat exchange units one by one, so that the third flow channel communicates the corresponding first heat exchange pipe and the corresponding second heat exchange pipe in the first heat exchange unit; and/or the first flow passages are arranged in parallel, and the second flow passages are arranged in parallel.

According to the heat exchanger of some embodiments of the present invention, the heat exchange tubes are plural and include a third heat exchange tube, a fourth heat exchange tube, a fifth heat exchange tube and a sixth heat exchange tube, the current collecting flow channel formed in the first current collector includes a fourth flow channel, a fifth flow channel and a sixth flow channel, the fourth flow channel communicates the inlet with each of the third heat exchange tubes, the fifth flow channel communicates each of the fourth heat exchange tubes with the outlet, and the sixth flow channel communicates the fifth heat exchange tube with the sixth heat exchange tube; the current collecting flow channel formed in the second current collector comprises a seventh flow channel and an eighth flow channel, the seventh flow channel is communicated with the third heat exchange tube and the fifth heat exchange tube, and the eighth flow channel is communicated with the sixth heat exchange tube and the fourth heat exchange tube.

According to the heat exchanger of some embodiments of the present invention, the plurality of heat exchange pipes include a plurality of second heat exchange units, each of the second heat exchange units includes one fifth heat exchange pipe and one sixth heat exchange pipe, the sixth flow channel is a plurality of flow channels and corresponds to the plurality of second heat exchange units one by one, so that the sixth flow channel communicates the corresponding fifth heat exchange pipe and the corresponding sixth heat exchange pipe in the second heat exchange units; and/or any one of the fourth flow channel, the fifth flow channel, the seventh flow channel and the eighth flow channel is provided in parallel.

According to the utility model discloses heat exchanger of some embodiments, the heat exchanger is for crossing stove brazing part.

According to the utility model discloses the heat exchanger of some embodiments, the heat exchanger is the carbon dioxide heat exchanger.

The heat exchanger has the same advantages as the collecting assembly for the heat exchanger described above with respect to the prior art, and will not be described in detail here.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic diagram of a heat exchanger according to some embodiments of the present invention;

FIG. 2 is an exploded view of the heat exchanger shown in FIG. 1;

FIG. 3 is an exploded view of the header assembly of the heat exchanger shown in FIG. 1 prior to buckling deformation of the buckle portion;

fig. 4 is a cross-sectional view of the current collecting assembly shown in fig. 3;

fig. 5 is an assembly view of the current collecting assembly shown in fig. 3 before the crimping portion is bent and deformed;

fig. 6 is a cross-sectional view of the current collecting assembly shown in fig. 5;

fig. 7 is an assembled view of the current collecting assembly shown in fig. 5;

fig. 8 is a cross-sectional view of the current collecting assembly shown in fig. 7;

fig. 9 is an exploded view of a heat exchanger according to further embodiments of the present invention;

fig. 10 is an exploded view of a heat exchanger according to some embodiments of the present invention.

Reference numerals:

the heat exchanger (1000) is provided with a heat exchanger,

the current collecting assembly 100 is provided with a plurality of current collecting components,

a first fitting member 10, a snap-in part 11, a connecting part 12, a second fitting member 20, a collecting flow passage 30,

the heat-exchanging body 200 is provided with a heat-exchanging body,

the heat exchange pipe 201 is provided with a heat exchange pipe,

a first heat exchange unit 2010, a first heat exchange pipe 2011, a second heat exchange pipe 2012,

a third heat exchange tube 2013, a fourth heat exchange tube 2014,

a second heat exchange unit 2015, a fifth heat exchange tube 2016, a sixth heat exchange tube 2017,

the fins 202 are formed in such a manner that,

the number of the current collectors 300 is,

a first current collector 301, a first flow channel 3011, a second flow channel 3012, a fourth flow channel 3013, a fifth flow channel 3014, a sixth flow channel 3015,

the second current collector 302, the third flow passages 3021, the seventh flow passages 3022, the eighth flow passages 3023,

a connector 400, an inlet 401, and an outlet 402.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present disclosure may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize the applicability of other processes and/or the use of other materials.

Next, a current collecting assembly 100 for a heat exchanger according to an embodiment of the present invention is described with reference to the accompanying drawings.

As shown in fig. 1 and 2, according to the current collecting assembly 100 for a heat exchanger of the embodiment of the present invention, the heat exchanger 1000 includes a heat exchanging body 200 and current collectors 300 disposed at two sides of the heat exchanging body 200, wherein the current collectors 300 at one side are connected to an inlet 401 and an outlet 402, the inlet 401 is communicated with the outlet 402 through a flow channel, the flow channel includes a heat exchanging flow channel defined by the heat exchanging body 200 and a current collecting flow channel 30 defined by each current collector 300, wherein at least one current collector 300 is configured as the current collecting assembly 100.

As shown in fig. 3 to 8, the current collecting assembly 100 includes: the first fitting member 10 and the second fitting member 20 are sequentially arranged along the interval direction of the current collectors 300 on both sides, the first fitting member 10 and the second fitting member 20 are assembled and connected, and a corresponding current collecting flow channel 30 is formed between the second fitting member 20 and the first fitting member 10.

Therefore, a heat exchange medium can enter the collecting flow channel 30 of the current collector 300 through the inlet 401, then enter the heat exchange flow channel from the collecting flow channel 30 to exchange heat with the outside air, and then flow out from the outlet 402, so that the circulating flow of the heat exchange medium is realized.

Further, at least one current collector 300 is configured as a current collecting assembly 100, for example, a current collecting member disposed on one side of the heat exchanger 200 is configured as a current collecting assembly 100, or current collecting members disposed on both sides of the heat exchanger 200 are configured as current collecting assemblies 100, wherein the current collecting assembly 100 is assembled and connected by a first fitting piece 10 and a second fitting piece 20, and a corresponding current collecting flow channel 30 is formed between the first fitting piece 10 and the second fitting piece 20, so that the current collecting assembly 100 is configured in a split assembly manner, is easy to produce, and facilitates reducing production cost.

For example, as shown in fig. 1, the current collectors 300 on both sides of the heat exchanger 200 are configured as current collecting assemblies 100, and each current collecting assembly 100 is provided with a current collecting channel, and both current collecting channels are communicated with a heat exchanging flow channel, wherein one current collecting assembly 100 of the two current collecting assemblies 100 is provided with an inlet 401 and an outlet 402, as shown in fig. 1, for example, the current collecting assembly 100 on the left side of the heat exchanger 200 is provided with an inlet 401 and an outlet 402, optionally, a connector 400 may be provided on the current collecting assembly 100 on the left side of the heat exchanger 200, the connector 400 is configured with an inlet 401 and an outlet 402, and both the inlet 401 and the outlet 402 are communicated with the current collecting channels, so as to reduce the difficulty of arranging the inlet 401 and the outlet 402, and of course, the inlet 401 and the outlet 402 may be directly machined on the current collecting assembly 100, which is not limited herein.

For example, as shown in fig. 2, the current collecting assembly 100 includes: a first fitting member 10 and a second fitting member 20, the first fitting member 10 and the second fitting member 20 being fittingly connected, and the collecting flow passage 30 being formed between the second fitting member 20 and the first fitting member 10.

Thus, by forming the respective collecting flow passages 30 between the first fitting member 10 and the second fitting member 20, the collecting assembly 100 is constructed in a split-fitting manner, easy to produce, and advantageous in reducing the production cost.

It should be noted that one of the two current collectors 300 may be configured as the current collecting assembly 100, the other current collector 300 may be configured as an integrally molded structure, or both current collectors 300 may be configured as an integrally molded structure, which is not limited herein.

For example, in an actual heat exchange process of the heat exchanger 1000, a heat exchange medium may enter the collecting flow channel 30 located on the left side of the heat exchanger 1000 through the inlet 401, and enter the heat exchange flow channel through the collecting flow channel 30, and the heat exchange medium can exchange heat with outside air in the heat exchange flow channel, so as to achieve a heat exchange effect of the heat exchanger 1000, and then the heat exchange medium may flow to the collecting flow channel 30 located on the right side of the heat exchanger 1000, and then the heat exchange medium flows to the outlet 402 through the collecting flow channel 30 via the heat exchange flow channel, so as to achieve a circulation flow of the heat exchange medium. The heat exchange medium may be a carbon dioxide medium, and certainly, may also be other heat exchange media, which is not limited herein.

From this, through setting up heat transfer runner and a plurality of mass flow runner 30 for carbon dioxide medium can evenly distributed in heat exchanger 1000, and the distribution of multithread is said and is favorable to the equipartition of carbon dioxide medium, does benefit to and reduces loss of pressure, just does benefit to and improves the heat transfer volume.

According to the utility model discloses a mass flow subassembly 100 for heat exchanger, through setting up first fitting piece 10 and second fitting piece 20, and form corresponding mass flow runner 30 between first fitting piece 10 and the second fitting piece 20 for its mass flow subassembly 100 constructs the form of components of a whole that can function independently assembly, and easily production does benefit to reduction in production cost.

In some embodiments, the edge of the first fitting member 10 has a buckle part 11, and the buckle part 11 is bent to abut against the side of the second fitting member 20 facing away from the first fitting member 10.

From this, when assembling first fitting piece 10 and second fitting piece 20, buckle through withholding portion 11 and warp and end one side that deviates from first fitting piece 10 at second fitting piece 20 to assemble first fitting piece 10 and second fitting piece 20 together, with the connection stability of reinforcing first fitting piece 10 and second fitting piece 20, and withholding portion 11 buckle deformation does benefit to and reduces the assembly degree of difficulty, improves assembly efficiency.

Further, the first fitting member 10 and the second fitting member 20 are both rectangular plates, and both side edges of the width of the first fitting member 10 are respectively provided with a plurality of pressing portions 11 spaced apart along the length direction of the first fitting member 10.

From this, through setting up a plurality of withholding portions 11 at the width both sides edge of first fitting piece 10 to through a plurality of withholding portions 11 buckle deformation and end in the one side that deviates from first fitting piece 10 of second fitting piece 20, thereby assemble first fitting piece 10 and second fitting piece 20 together, do benefit to the area of contact who increases first fitting piece 10 and second fitting piece 20, and then strengthen the connection stability of first fitting piece 10 and second fitting piece 20.

The assembly process of the current collecting assembly 100 of the present invention is described below with reference to fig. 3-8:

for example, the pressing portions 11 are configured as a bendable and deformable flange structure, as shown in fig. 3 and 4, before the first fitting member 10 is assembled with the second fitting member 20, the pressing portions 11 protrude out of the first fitting member 10 in the thickness direction of the first fitting member 10, then, as shown in fig. 5 and 6, when the first fitting member 10 is assembled with the second fitting member 20, the edge of the second fitting member 20 abuts against the edge of the first fitting member 10 to define the current collecting flow passage 30 between the first fitting member 10 and the second fitting member 20, and then, as shown in fig. 7 and 8, the pressing portions 11 are bent and deformed, and the bent and deformed pressing portions 11 stop against the side of the second fitting member 20 away from the first fitting member 10, thereby assembling the first fitting member 10 and the second fitting member 20 together.

From this, can strengthen the connection stability of first fitting piece 10 and second fitting piece 20, and withhold portion 11 buckling deformation, do benefit to and reduce the assembly degree of difficulty, improve assembly efficiency.

In some embodiments, at least one of the first fitting member 10 and the second fitting member 20 is a punched plate material, the thickness side of which is adapted to face the heat exchanger body 200, to form the corresponding collecting flow channel 30 at the punched recess.

From this, at least one in first fitting piece 10 and the second fitting piece 20 is punching press shaping of punching press panel for its punching press depressed place in the thickness direction of punching press panel forms mass flow runner 30, can make the shaping technology qualification rate of mass flow subassembly 100 high, with low costs, and mass flow subassembly 100 easily assembles, production efficiency is high, and simultaneously, the thickness one side of punching press panel is suitable for towards heat exchanger 200, so that shorten the distance between heat transfer runner and the mass flow runner 30, thereby rational layout makes the structure of heat exchanger 1000 compacter, do benefit to the miniaturized design that realizes heat exchanger 1000.

For example, first fitting piece 10 is punching press panel with second fitting piece 20, punching press panel stamping forming, compare in prior art collector tube (the utility model provides a mass flow body 300) the scheme that adopts extrusion, the utility model discloses a stamping forming's scheme, make the shaping technology qualification rate of mass flow subassembly 100 high, with low costs, and mass flow subassembly 100 easily assembles, high production efficiency, and first fitting piece 10 withholds in order to inject mass flow runner 30 with second fitting piece 20, from this, make this mass flow runner 30 can satisfy the circulation of carbon dioxide medium, and, stamping forming is for extrusion, make mass flow runner 30's quantity, position, and extending direction all can be nimble, for example some can be along horizontal extension, can be along longitudinal extension a bit, arrange can be nimble, quantity can be more relatively, make single mass flow runner 30's inner chamber sectional area little, be favorable to satisfying mass flow subassembly 100's high pressure resistance characteristic, can satisfy carbon dioxide high pressure characteristic.

In some embodiments, the stamped sheet material is a weldable composite aluminum sheet; and/or the thickness of the punched plate is 1 mm-3 mm.

For example, the stamping plate is made of an aluminum plate with a composite layer and capable of being brazed in a tunnel furnace, so that the forming process of the stamping plate is high in qualification rate, and the material cost and the production cost are reduced.

And/or the thickness of the punched plate is 1 mm-3 mm, for example, the thickness of the punched plate is 1 mm, or 2 mm, or 3 mm, when the thickness of the punched plate meets the value range, the yield of the forming process of the punched plate is high, and the material cost and the production cost are favorably reduced.

In some embodiments, as shown in fig. 2, the second fitting member 20 is disposed on a side of the first fitting member 10 facing away from the heat exchanging body 200, and the first fitting member 10 has a connecting portion 12 adapted to be connected with the heat exchanging body 200.

From this, through locating one side that deviates from heat exchanger 200 of first fitting piece 10 with second fitting piece 20, the shaping of the mass flow passageway of being convenient for does benefit to the assembly degree of difficulty that reduces second fitting piece 20, and can avoid second fitting piece 20 and heat exchanger 200 to take place to interfere, simultaneously, sets up connecting portion 12 on first fitting piece 10, and the heat exchanger 200 of being convenient for is connected with first fitting piece 10 through connecting portion 12 to reinforcing the connection stability between mass flow subassembly 100 and the heat exchanger 200.

Further, the connection portion 12 is formed as a flanged insertion hole adapted to be inserted and fitted with the heat exchange tube 201 in the heat exchange body 200.

From this, through constructing connecting portion 12 as the turn-ups jack, and heat exchange tube 201 is suitable for pegging graft in the turn-ups jack, on the one hand, the heat exchange tube 201 and the first fitting piece 10 cooperation of pegging graft in the heat exchanger body 200 of being convenient for to strengthen the stability of being connected of heat exchange tube 201 and first fitting piece 10, strengthen the stability of being connected between mass flow subassembly 100 and the heat exchanger body 200 promptly, on the other hand, the heat transfer runner and the mass flow runner 30 intercommunication in the heat exchange tube 201 of being convenient for, thereby do not need singly establish the intercommunication structure who sets up between the two, do benefit to and simplify the intercommunication structure, reduction in production cost.

Wherein, construct connecting portion 12 as the turn-ups jack, this jack has the turn-ups structure promptly, does benefit to the area of contact of increase heat exchange tube 201 and jack, for example, when heat exchange tube 201 and connecting portion 12 welding cooperation, can increase welding strength, satisfies the qualification rate in the heat exchanger 1000 production process, and does benefit to the high pressure characteristic who satisfies the carbon dioxide medium.

In some embodiments, as shown in fig. 2, there are multiple collector channels 30 within the collector assembly 100. Therefore, as the plurality of collecting flow channels 30 are arranged in the collecting assembly 100, the sectional area of the inner cavity of a single collecting flow channel 30 is small, and the high-pressure resistance of the collecting assembly 100 is favorably met.

The current collecting flow channels 30 in the first current collector 301 shown in fig. 2, for example, are plural and are respectively plural first flow channels 3011 and plural second flow channels 3012. Therefore, the sectional area of the inner cavity of each current collecting flow channel 30 in the first current collector 301 is small, which is beneficial to meeting the high-pressure resistance characteristic of the first current collector 301.

For example, current collecting flow channels 30 in first current collector 301 shown in fig. 9 are multiple and respectively multiple fourth flow channels 3013, multiple fifth flow channels 3014, and multiple sixth flow channels 3015. Therefore, the sectional area of the inner cavity of each current collecting flow channel 30 in the first current collector 301 is small, which is beneficial to meeting the high-pressure resistance characteristic of the first current collector 301.

The current collecting flow channels 30 in the second current collector 302, such as shown in fig. 2, are plural and respectively plural third flow channels 3021. Therefore, the sectional area of the inner cavity of each current collecting flow channel 30 in the second current collector 302 is small, which is beneficial to meeting the high-pressure resistance characteristic of the second current collector 302.

The current collecting flow channels 30 in the second current collector 302, such as shown in fig. 9, are multiple and respectively multiple seventh flow channels 3022 and multiple eighth flow channels 3023. Therefore, the sectional area of the inner cavity of each current collecting flow channel 30 in the second current collector 302 is small, which is beneficial to meeting the high-pressure resistance characteristic of the second current collector 302.

For example, in some embodiments, the plurality of collector flow channels 30 within collector assembly 100 are spaced apart along the width of collector assembly 100, and each collector flow channel 30 extends along the length of collector assembly 100 (e.g., first current collector 301 shown in fig. 2). Therefore, the plurality of collecting runners 30 in the collecting assembly 100 are arranged neatly, the space utilization rate is high, the number of collecting runners 30 can be increased, the sectional area of the inner cavity of a single collecting runner 30 is small, and the high-pressure resistance of the collecting assembly 100 is favorably met.

For example, in some embodiments, a plurality of collector flow channels 30 within collector assembly 100 are spaced apart along the length of collector assembly 100, and each collector flow channel 30 extends along the width of collector assembly 100 (e.g., second collector 302 shown in fig. 2). Therefore, the plurality of collecting runners 30 in the collecting assembly 100 are arranged neatly, the space utilization rate is high, the number of collecting runners 30 can be increased, the sectional area of the inner cavity of a single collecting runner 30 is small, and the high-pressure resistance of the collecting assembly 100 is favorably met.

For example, in some embodiments, the plurality of collector channels 30 within collector assembly 100 form a first group and a second group, the plurality of collector channels 30 in the first group being spaced apart along the width of collector assembly 100 and each collector channel 30 extending along the length of collector assembly 100, the plurality of collector channels 30 in the second group being spaced apart along the length of collector assembly 100 and each collector channel 30 extending along the width of collector assembly 100.

For example, in the first current collector 301 shown in fig. 9, all fourth flow channels 3013 and all fifth flow channels 3014 may constitute a first group, and all sixth flow channels 3015 may constitute a second group. Therefore, the plurality of collecting runners 30 in the collecting assembly 100 are arranged neatly, the space utilization rate is high, the number of collecting runners 30 can be increased, the sectional area of the inner cavity of a single collecting runner 30 is small, and the high-pressure-resistant characteristic of the collecting assembly 100 is favorably met.

The utility model also provides a heat exchanger 1000.

As shown in fig. 1, 2-9, a heat exchanger 1000 according to an embodiment of the present invention includes: a heat exchange body 200 and current collectors 300 disposed at both sides of the heat exchange body 200.

An inlet 401 and an outlet 402 are connected to the current collectors 300 on one side, the inlet 401 and the outlet 402 are communicated through flow passages, the flow passages include a heat exchange flow passage defined by the heat exchange body 200 and a current collecting flow passage 30 defined by each current collector 300, and at least one current collector 300 is configured as the current collecting assembly 100 in any one of the embodiments.

Therefore, a heat exchange medium can enter the collecting flow channel 30 of the current collector 300 through the inlet 401, then enter the heat exchange flow channel from the collecting flow channel 30 to exchange heat with the outside air, and then flow out through the outlet 402, so that the circulating flow of the heat exchange medium is realized.

Further, at least one current collector 300 is configured as a current collecting assembly 100, for example, a current collecting member disposed on one side of the heat exchanger 200 is configured as a current collecting assembly 100, or current collecting members disposed on both sides of the heat exchanger 200 are configured as current collecting assemblies 100, wherein the current collecting assembly 100 is assembled and connected by a first fitting piece 10 and a second fitting piece 20, and a corresponding current collecting flow channel 30 is formed between the first fitting piece 10 and the second fitting piece 20, so that the current collecting assembly 100 is configured in a split assembly manner, is easy to produce, and facilitates reducing production cost.

For example, as shown in fig. 1, the current collectors 300 on both sides of the heat exchanger body 200 are configured as current collecting assemblies 100, and each current collecting assembly 100 is provided with a current collecting channel, and both current collecting channels are communicated with a heat exchanging flow channel, wherein one current collecting assembly 100 of the two current collecting assemblies 100 is provided with an inlet 401 and an outlet 402, as shown in fig. 1, for example, the current collecting assembly 100 on the left side of the heat exchanger body 200 is provided with an inlet 401 and an outlet 402, optionally, a connector 400 may be provided on the current collecting assembly 100 on the left side of the heat exchanger body 200, the connector 400 is configured with an inlet 401 and an outlet 402, and both the inlet 401 and the outlet 402 are communicated with the current collecting channels, so as to reduce the difficulty in arranging the inlet 401 and the outlet 402, and of course, the inlet 401 and the outlet 402 may also be directly machined on the current collecting assembly 100, which is not limited herein.

For example, as shown in fig. 2, the current collecting assembly 100 includes: a first fitting member 10 and a second fitting member 20, the first fitting member 10 and the second fitting member 20 being fittingly connected, and the collecting flow passage 30 being formed between the second fitting member 20 and the first fitting member 10.

Thus, by forming the respective collecting flow passages 30 between the first fitting member 10 and the second fitting member 20, the collecting assembly 100 is constructed in a split-fitting manner, easy to produce, and advantageous in reducing the production cost.

In some embodiments, as shown in fig. 2, the current collector 300 having the inlet 401 and the outlet 402 is a first current collector 301, the other current collector 300 is a second current collector 302, and the heat exchange body 200 includes a heat exchange tube 201 defining a heat exchange flow channel, and both ends of the heat exchange tube 201 extend to the first current collector 301 and the second current collector 302, respectively.

Therefore, two ends of the heat exchange flow passage can be respectively communicated with the current collecting flow passage 30 of the first current collector 301 and the current collecting flow passage 30 of the second current collector 302, so that the heat exchange medium can flow circularly in the heat exchanger 1000.

For example, as shown in fig. 2, the current collector 300 located on the left side of the heat exchanger 200 is a first current collector 301, the current collector 300 located on the right side of the heat exchanger 200 is a second current collector 302, optionally, a joint 400 is provided at an upper end of the first current collector 301, an inlet 401 and an outlet 402 are provided on the joint 400, and both the inlet 401 and the outlet 402 are communicated with the current collecting flow channel 30 of the first current collector 301.

Therefore, in the circulation process of the heat exchange medium, the heat exchange medium can enter the collecting flow channel 30 of the first current collector 301 through the inlet 401, then enter the heat exchange flow channel of the heat exchange tube 201, then enter the collecting flow channel 30 of the second current collector 302 through the heat exchange flow channel, then flow back to the heat exchange flow channel through the collecting flow channel 30 of the second current collector 302, and flow to the outlet 402 through the collecting flow channel 30 of the first current collector 301, so that the circulation flow of the heat exchange medium is realized.

In some embodiments, as shown in fig. 2, the heat exchange tubes 201 are multiple and include a first heat exchange tube 2011 and a second heat exchange tube 2012, the current collecting flow channel 30 formed in the first current collector 301 includes a first flow channel 3011 and a second flow channel 3012, the first flow channel 3011 communicates the inlet 401 with each first heat exchange tube 2011, the second flow channel 3012 communicates each second heat exchange tube 2012 with the outlet 402, the current collecting flow channel 30 formed in the second current collector 302 includes a third flow channel 3021, and the third flow channel 3021 communicates the first heat exchange tube 2011 with the second heat exchange tube 2012.

From this, through setting up first heat exchange tube 2011 and second heat exchange tube 2012, make heat transfer medium when flowing to the heat transfer runner by entry 401 and heat transfer medium when flowing to export 402 by the heat transfer runner, heat transfer medium can flow in the heat transfer runner of first heat exchange tube 2011 and the heat transfer runner of second heat exchange tube 2012 respectively when the heat transfer, thereby make heat transfer medium can flow in the heat transfer runner of difference with after the heat transfer when the heat transfer, thereby avoid the heat transfer medium contact after heat transfer during the heat transfer with the heat transfer medium after the heat transfer, can guarantee the abundant flow of heat transfer medium in heat exchanger 1000, do benefit to and improve heat exchange efficiency, and because the mass flow runner 30 that forms in the first current collector 301 includes first flow channel 3011 and second flow channel 3012, make the cross-sectional area of first flow channel 3011 and second flow channel 3012 relatively less, do benefit to and satisfy the high pressure resistant characteristic of first current collector 301.

For example, as shown in fig. 2, a first heat exchange tube 2011 and a second heat exchange tube 2012 are arranged at the same horizontal height of the heat exchanger 1000, and the first heat exchange tube 2011 and the second heat exchange tube 2012 are distributed at intervals, wherein a first flow channel 3011 and a second flow channel 3012 both extend in the vertical direction, the first flow channel 3011 and the second flow channel 3012 are spaced apart, and the left end of the first heat exchange tube 2011 and the left end of the second heat exchange tube 2012 are respectively communicated with the first flow channel 3011 and the second flow channel 3012.

Further, the third flow passages 3021 extend in the horizontal direction, and the extending direction of the third flow passages 3021 is the same as the distribution direction of the first heat exchange tubes 2011 and the second heat exchange tubes 2012, so that the right ends of the first heat exchange tubes 2011 and the right ends of the second heat exchange tubes 2012 are communicated with the third flow passages 3021.

Of course, the extending directions of the first flow channel 3011, the second flow channel 3012 and the third flow channel 3021 are merely used for illustration and do not represent limitations thereto.

In actual heat exchange, as shown in fig. 2, the dashed line with arrows in the figure indicates the flow direction of the heat exchange medium, and during heat exchange, the flow paths of the heat exchange medium are: a heat exchange medium can enter the first flow channel 3011 through the inlet 401, and then enter the first heat exchange tube 2011 to exchange heat with the outside air; after heat exchange, as shown in fig. 2, the heat exchange medium flow paths are: the heat exchange medium in the heat-exchanged first flow channel 3011 flows to the outlet 402 via the third flow channel 3021, the second heat exchange tube 2012 and the second flow channel 3012 in sequence.

Therefore, the heat exchange medium during heat exchange and the heat exchange medium after heat exchange can flow along different flow channels, so that the heat exchange medium during heat exchange is prevented from contacting with the heat exchange medium after heat exchange, sufficient flow of the heat exchange medium in the heat exchanger 1000 can be ensured, and the heat exchange efficiency is improved.

Further, as shown in fig. 2, the plurality of heat exchange pipes 201 includes a plurality of first heat exchange units 2010.

Specifically, as shown in fig. 2, each of the first heat exchange units 2010 includes a first heat exchange pipe 2011 and a second heat exchange pipe 2012, and the third flow channels 3021 are multiple and correspond to the first heat exchange units 2010 one by one, so that the corresponding first heat exchange pipes 2011 and the corresponding second heat exchange pipes 2012 in the first heat exchange units 2010 are communicated by the third flow channels 3021.

Therefore, by arranging the plurality of first heat exchange units 2010 and enabling each third flow channel 3021 to be communicated with the first heat exchange tube 2011 and the second heat exchange tube 2012 in the corresponding first heat exchange unit 2010, each first heat exchange unit 2010 and the corresponding third flow channel 3021 can realize the circulation flow of a heat exchange medium, so that the heat exchange efficiency of the heat exchanger 1000 can be increased, and because the plurality of third flow channels 3021 are provided, the cross-sectional area of each third flow channel 3021 is relatively small, which is favorable for meeting the high pressure resistance characteristic of the second current collector 302.

Optionally, in some embodiments, as shown in fig. 2, a fin 202 is disposed between at least two adjacent first heat exchange units 2010 in the plurality of first heat exchange units 2010, the fin 202 is configured to exchange heat with a first heat exchange tube 2011, when a heat exchange medium flows from an inlet 401 to the first heat exchange tube 2011 and flows from the first heat exchange tube 2011 to the third flow channel 3021, the heat exchange medium exchanges heat with the first heat exchange tube 2011, the first heat exchange tube 2011 exchanges heat with the fin 202 and with outside air, and the fin 202 exchanges heat with the outside air, so that a heat exchange area with the outside air is increased, and heat exchange efficiency is improved.

In other embodiments, each of the first heat exchange units 2010 includes two first heat exchange tubes 2011 and two second heat exchange tubes 2012, and the first flow channel 3011 and the second flow channel 3012 are two, as shown in fig. 10, the two first flow channels 3011 are respectively communicated with the two first heat exchange tubes 2011, the two second flow channels 3012 are respectively communicated with the two second heat exchange tubes 2012, and the third flow channel 3021 is communicated with the two first heat exchange tubes 2011 and the two second heat exchange tubes 2012 of the same first heat exchange unit 2010.

During actual heat exchange, as shown in fig. 10, the line with an arrow in the figure represents the flowing direction of the heat exchange medium, and thus, each first heat exchange unit 2010 includes two first heat exchange tubes 2011 and two second heat exchange tubes 2012, so that the circulation path of the heat exchange medium can be increased, the heat exchange amount of the heat exchanger 1000 can be increased, and the heat exchange efficiency can be improved.

In still other embodiments, as shown in fig. 9, the heat exchange tubes 201 are multiple and include a third heat exchange tube 2013, a fourth heat exchange tube 2014, a fifth heat exchange tube 2016 and a sixth heat exchange tube 2017, the current collecting channels 30 formed in the first current collector 301 include a fourth channel 3013, a fifth channel 3014 and a sixth channel 3015, the fourth channel 3013 communicates the inlet 401 with each third heat exchange tube 2013, the fifth channel 3014 communicates each fourth heat exchange tube 2014 with the outlet 402, and the sixth channel 3015 communicates the fifth heat exchange tube 2016 with the sixth heat exchange tube 2017; the current collecting flow channels 30 formed in the second current collector 302 comprise a seventh flow channel 3022 and an eighth flow channel 3023, the seventh flow channel 3022 communicates the third heat exchange tube 2013 with the fifth heat exchange tube 2016, and the eighth flow channel 3023 communicates the sixth heat exchange tube 2017 with the fourth heat exchange tube 2014.

Therefore, the heat exchange medium during heat exchange and the heat exchange medium after heat exchange can flow along different flow passages, so that the heat exchange medium during heat exchange is prevented from contacting the heat exchange medium after heat exchange, the heat exchange medium can fully flow in the heat exchanger 1000, the heat exchange amount of the heat exchanger 1000 is increased, the heat exchange efficiency is improved, in addition, the current collecting flow passage 30 formed in the first current collector 301 comprises the fourth flow passage 3013, the fifth flow passage 3014 and the sixth flow passage 3015, the cross sectional areas of the fourth flow passage 3013, the fifth flow passage 3014 and the sixth flow passage 3015 are relatively smaller, the high pressure resistance characteristic of the first current collector 301 is favorably met, in addition, the current collecting flow passage 30 formed in the second current collector 302 comprises the seventh flow passage 3022 and the eighth flow passage 3023, the cross sectional areas of the seventh flow passage 3022 and the eighth flow passage 3023 are relatively smaller, and the high pressure resistance characteristic of the second current collector 302 is favorably met.

For example, as shown in fig. 9, the third heat exchange tube 2013 and the fourth heat exchange tube 2014 are distributed at intervals along the height of the heat exchanger 1000, or the third heat exchange tube 2013 and the fourth heat exchange tube 2014 are arranged at the same height of the heat exchanger 1000, and the fifth heat exchange tube 2016 and the sixth heat exchange tube 2017 are both located below the third heat exchange tube 2013 and the fourth heat exchange tube 2014.

The fourth flow channel 3013 and the fifth flow channel 3014 extend in the vertical direction and are distributed side by side, the fourth flow channel 3013 and the fifth flow channel 3014 are spaced apart, the sixth flow channel 3015 is located below the fourth flow channel 3013 and the fifth flow channel 3014, the sixth flow channel 3015 is suitable for extending in the horizontal direction, the fifth heat exchange tube 2016 and the sixth heat exchange tube 2017 are arranged at the same horizontal height of the heat exchanger 1000, and the fifth heat exchange tube 2016 and the sixth heat exchange tube 2017 are distributed in a spaced apart manner, wherein both the left end of the fifth heat exchange tube 2016 and the left end of the sixth heat exchange tube 2017 are communicated with the same sixth flow channel 3015.

Further, the seventh flow passage 3022 and the eighth flow passage 3023 both extend in the vertical direction, so that the seventh flow passage 3022 can communicate the third heat exchange tube 2013 with the fifth heat exchange tube 2016, and the eighth flow passage 3023 communicates the sixth heat exchange tube 2017 with the fourth heat exchange tube 2014.

Of course, the extending directions of the fourth flow channel 3013, the fifth flow channel 3014, the sixth flow channel 3015, the seventh flow channel 3022 and the eighth flow channel 3023 are only used for illustration and do not represent a limitation thereto.

For example, as shown in fig. 9, the dotted line with an arrow in the figure indicates the flow direction of the heat exchange medium, specifically, the flow path of the heat exchange medium at the time of actual heat exchange is: an inlet 401, a fourth flow channel 3013, a third heat exchange tube 2013, a seventh flow channel 3022, a fifth heat exchange tube 2016, a sixth flow channel 3015, a sixth heat exchange tube 2017, an eighth flow channel 3023, a fourth heat exchange tube 2014, a fifth flow channel 3014 and an outlet 402.

Therefore, the heat exchange medium during heat exchange and the heat exchange medium after heat exchange can flow along different flow channels, so that the heat exchange medium during heat exchange is prevented from contacting with the heat exchange medium after heat exchange, the flow paths of the heat exchange medium are increased, the sufficient flow of the heat exchange medium in the heat exchanger 1000 can be ensured, and the heat exchange efficiency is favorably improved.

Further, as shown in fig. 9, the plurality of heat exchange tubes 201 includes a plurality of second heat exchange units 2015, each second heat exchange unit 2015 includes a fifth heat exchange tube 2016 and a sixth heat exchange tube 2017, the sixth flow channels 3015 are plural and correspond to the plurality of second heat exchange units 2015 one to one, so that the fifth heat exchange tube 2016 and the sixth heat exchange tube 2017 in the corresponding second heat exchange units 2015 are communicated by the sixth flow channels 3015.

From this, through setting up a plurality of second heat exchange unit 2015, and fifth heat exchange tube 2016 and sixth heat exchange tube 2017 in every sixth runner 3015 intercommunication second heat exchange unit 2015 that corresponds for heat exchange medium's circulation flow can be realized to every second heat exchange unit 2015 and the sixth runner 3015 homoenergetic that corresponds, and then heat exchange efficiency of heat exchanger 1000 can be increased. And because the sixth flow channel 3015 is a plurality of, the cross-sectional area of the third flow channel 3021 is relatively small, which is beneficial to meeting the high pressure resistance of the first current collector 301.

Optionally, in still some embodiments, as shown in fig. 9, a fin 202 is disposed between two adjacent heat exchange tubes 201, the fin 202 is configured to exchange heat with the heat exchange tube 201, when a heat exchange medium flows from an inlet 401 to the heat exchange tube 201, the heat exchange medium exchanges heat with the heat exchange tube 201, then, the heat exchange tube 201 exchanges heat with the fin 202 and with the outside air, and the fin 202 exchanges heat with the outside air, so that a heat exchange area with the outside air is increased, and heat exchange efficiency is improved.

In some embodiments, as shown in fig. 2 and 9, at least one of the first flow channel (3011), the second flow channel (3012), the fourth flow channel (3013), the fifth flow channel (3014), the seventh flow channel (3022), and the eighth flow channel (3023) is a plurality of and is arranged in parallel. Therefore, the cross-sectional area of the corresponding flow channel is made smaller, which is beneficial to satisfying the high pressure resistance characteristics of the first current collector 301 and/or the second current collector 302.

Note that the term "parallel arrangement" means: the extending directions are the same and are arranged in parallel, and the parallel relation is equivalent to on the flow path.

In some embodiments, heat exchanger 1000 is a through-furnace braze.

Therefore, the heat exchanger 1000 is constructed as a furnace-passing brazing piece, so that the heat exchanger 1000 can be conveniently produced by adopting a tunnel furnace brazing process, the qualification rate of the forming process of the heat exchanger 1000 is high, and the material cost and the production cost are favorably reduced.

In some embodiments, heat exchanger 1000 is a carbon dioxide heat exchanger.

That is to say, the heat exchange medium circulating in the heat exchanger 1000 is a carbon dioxide medium, so that the carbon dioxide medium can be uniformly distributed in the heat exchanger, the pressure loss is low, and the heat exchange amount is increased.

Of course, the carbon dioxide medium is only used for illustration, and the heat exchange medium may be other media meeting the requirements, and is not limited herein.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (17)

1. A current collecting assembly for a heat exchanger, wherein the heat exchanger (1000) comprises a heat exchanging body (200) and current collectors (300) arranged on two sides of the heat exchanging body (200), wherein an inlet (401) and an outlet (402) are connected to the current collectors (300) on one side, the inlet (401) is communicated with the outlet (402) through a flow channel, the flow channel comprises a heat exchanging flow channel defined by the heat exchanging body (200) and a current collecting flow channel (30) defined by each current collector (300), wherein at least one current collector (300) is configured as the current collecting assembly (100), and the current collecting assembly (100) comprises:

along both sides first fitting piece (10) and second fitting piece (20) that the interval direction of mass flow body (300) set gradually, first fitting piece (10) with second fitting piece (20) assembly links to each other, and second fitting piece (20) with form correspondingly between first fitting piece (10) collection flow channel (30).

2. Collecting assembly for a heat exchanger according to claim 1, characterized in that the edge of the first fitting piece (10) has a snap-in part (11), which snap-in part (11) is bent shaped to stop against the side of the second fitting piece (20) facing away from the first fitting piece (10).

3. The current collecting assembly for a heat exchanger according to claim 2, wherein the first fitting member (10) and the second fitting member (20) are both rectangular plates, and both side edges of the width of the first fitting member (10) are respectively provided with a plurality of the snap portions (11) arranged at intervals in the length direction of the first fitting member (10).

4. Current collecting assembly for a heat exchanger according to claim 1, characterised in that at least one of the first fitting (10) and the second fitting (20) is a stamped sheet material, the thickness side of which is adapted to face the heat exchanger body (200), to form the respective collecting flow channel (30) at a stamped recess.

5. The current collecting assembly for a heat exchanger of claim 4, wherein the stamped sheet material is a weldable composite aluminum sheet; and/or the thickness of the punched plate is 1 mm-3 mm.

6. Collecting assembly for a heat exchanger according to claim 1, characterized in that the second fitting piece (20) is provided on the side of the first fitting piece (10) facing away from the heat exchanger body (200), the first fitting piece (10) having a connection portion (12) thereon adapted to be connected with the heat exchanger body (200).

7. Collector assembly for a heat exchanger according to claim 6, characterized in that the connection portion (12) is formed as a flanged socket adapted to be plug-fit with a heat exchange tube (201) in the heat exchanger body (200).

8. Collector assembly for a heat exchanger according to any one of claims 1-7, characterized in that the collector flow channel (30) in the collector assembly (100) is multiple.

9. Collecting assembly for a heat exchanger according to claim 8,

a plurality of the collecting flow channels (30) in the collecting assembly (100) are spaced along the width direction of the collecting assembly (100), and each collecting flow channel (30) extends along the length direction of the collecting assembly (100); or

A plurality of the collecting flow channels (30) in the collecting assembly (100) are spaced along the length direction of the collecting assembly (100), and each collecting flow channel (30) extends along the width direction of the collecting assembly (100); or

The plurality of collecting flow channels (30) in the collecting assembly (100) form a first group and a second group, the plurality of collecting flow channels (30) in the first group are spaced along the width direction of the collecting assembly (100), each collecting flow channel (30) extends along the length direction of the collecting assembly (100), the plurality of collecting flow channels (30) in the second group are spaced along the length direction of the collecting assembly (100), and each collecting flow channel (30) extends along the width direction of the collecting assembly (100).

10. A heat exchanger, comprising: a heat exchange body (200) and current collectors (300) arranged on two sides of the heat exchange body (200), wherein an inlet (401) and an outlet (402) are connected to the current collector (300) on one side, the inlet (401) is communicated with the outlet (402) through a flow passage, the flow passage comprises a heat exchange flow passage defined by the heat exchange body (200) and a current collecting flow passage (30) defined by each current collector (300), and at least one current collector (300) is configured as a current collecting assembly according to any one of claims 1-9.

11. The heat exchanger according to claim 10, wherein the current collector (300) to which the inlet (401) and the outlet (402) are connected is a first current collector (301), the other current collector (300) is a second current collector (302), the heat exchange body (200) comprises a heat exchange tube (201) defining the heat exchange flow channel, and both ends of the heat exchange tube (201) extend to the first current collector (301) and the second current collector (302), respectively.

12. The heat exchanger according to claim 11, wherein the heat exchanging pipes (201) are plural and include a first heat exchanging pipe (2011) and a second heat exchanging pipe (2012), the current collecting flow channel (30) formed in the first current collector (301) includes a first flow channel (3011) and a second flow channel (3012), the first flow channel (3011) communicates the inlet (401) with each of the first heat exchanging pipes (2011), the second flow channel (3012) communicates each of the second heat exchanging pipe (2012) with the outlet (402), the current collecting flow channel (30) formed in the second current collector (302) includes a third flow channel (3021), and the third flow channel (3021) communicates the first heat exchanging pipe (2011) with the second heat exchanging pipe (2012).

13. The heat exchanger as claimed in claim 12, wherein the plurality of heat exchange tubes (201) comprises a plurality of first heat exchange units (2010), each of the first heat exchange units (2010) comprises one of the first heat exchange tubes (2011) and one of the second heat exchange tubes (2012), the third flow passages (3021) are plural and correspond to the plurality of first heat exchange units (2010) one by one, so that the first heat exchange tubes (2011) and the second heat exchange tubes (2012) in the corresponding first heat exchange units (2010) are communicated by the third flow passages (3021); and/or the first flow passages (3011) are arranged in parallel, and the second flow passages (3012) are arranged in parallel.

14. The heat exchanger as claimed in claim 11, wherein the heat exchange tubes (201) are plural and include a third heat exchange tube (2013), a fourth heat exchange tube (2014), a fifth heat exchange tube (2016) and a sixth heat exchange tube (2017), the collecting flow channel (30) formed in the first current collector (301) includes a fourth flow channel (3013), a fifth flow channel (3014) and a sixth flow channel (3015), the fourth flow channel (3013) communicates the inlet (401) with each of the third heat exchange tubes (2013), the fifth flow channel (3014) communicates each of the fourth heat exchange tubes (2014) with the outlet (402), and the sixth flow channel (3015) communicates the fifth heat exchange tube (2016) with the sixth heat exchange tube (2017); the current collecting flow channels (30) formed in the second current collector (302) comprise seventh flow channels (3022) and eighth flow channels (3023), the seventh flow channels (3022) communicate the third heat exchange tube (2013) with the fifth heat exchange tube (2016), and the eighth flow channels (3023) communicate the sixth heat exchange tube (2017) with the fourth heat exchange tube (2014).

15. A heat exchanger according to claim 14 wherein the plurality of heat exchange tubes (201) comprises a plurality of second heat exchange units (2015), each of the second heat exchange units (2015) comprises one fifth heat exchange tube (2016) and one sixth heat exchange tube (2017), the sixth flow channels (3015) are plural and correspond to the plurality of second heat exchange units (2015) one by one, so that the fifth heat exchange tube (2016) and the sixth heat exchange tube (2017) in the corresponding second heat exchange unit (2015) are communicated by the sixth flow channel (3015); and/or any one of the fourth flow channel (3013), the fifth flow channel (3014), the seventh flow channel (3022) and the eighth flow channel (3023) is provided in parallel.

16. The heat exchanger according to claim 10, wherein the heat exchanger (1000) is a through-furnace braze.

17. The heat exchanger according to any one of claims 10 to 16, wherein the heat exchanger (1000) is a carbon dioxide heat exchanger.

Images