CN101788213B - Heat exchanger - Google Patents

Heat exchanger Download PDF

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Publication number
CN101788213B
CN101788213B CN2009100033894A CN200910003389A CN101788213B CN 101788213 B CN101788213 B CN 101788213B CN 2009100033894 A CN2009100033894 A CN 2009100033894A CN 200910003389 A CN200910003389 A CN 200910003389A CN 101788213 B CN101788213 B CN 101788213B
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China
Prior art keywords
heat exchanger
header
heat exchange
tube
exchange tubes
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CN2009100033894A
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Chinese (zh)
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CN101788213A (en
Inventor
汪峰
蒋建龙
黄宁杰
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Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
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Danfoss Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd
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Priority to CN2009100033894A priority Critical patent/CN101788213B/en
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Abstract

The invention provides a heat exchanger, comprising an inlet pipe, a first heat exchange pipe set comprising a plurality of parallel heat exchange pipes, a collecting pipe, a second heat exchange pipe set comprising a plurality of parallel heat exchange pipes, and an outlet pipe. One end of each heat exchange pipe of the plurality of parallel heat exchange pipes in the first heat exchange pipe set is connected with the inlet pipe, while the other end is connected with the collecting pipe; and one end of each heat exchange pipe of the plurality of parallel heat exchange pipes of the second heat exchange pipe set is connected with the collecting pipe, while the other end is connected with the outlet pipe so that refrigerating fluid can enter from the inlet pipe and can be discharged from the outlet pipe through the first heat exchange set, the collecting pipe and the second heat exchange pipe, and thereby forming the serial heat exchanger. The heat exchanger has the advantages of simple structure and higher heat exchange rate.

Description

Heat exchanger
Technical field
The present invention relates to a kind of heat exchanger, particularly relate to the heat exchanger that uses the A type in a kind of air-conditioning.
Background technology
Using the heat exchanger of A type in the air-conditioning generally all is that the copper tube and fin formula is connected in parallel, and cold-producing medium enters knockout from inlet tube, enters heat exchanger simultaneously from A type heat exchanger both sides respectively then, comes out by gatherer from the heat exchanger top again.The inboard cold-producing medium flow velocity of this structural tube is lower, and the coefficient of heat transfer is little, and structure is complicated, and volume is big.
Summary of the invention
The purpose of this invention is to provide a kind of heat exchanger, its designs simplification, the thermal efficiency improves.
Though the present invention mainly is the improvement of carrying out at the heat exchanger that uses the A type in the air-conditioning, it will be apparent to those skilled in the art that thought of the present invention goes for other fields of using heat exchanger.Therefore, the invention is not restricted to the heat exchanger of A type.
The invention provides a kind of heat exchanger, it comprises: inlet tube; First set of heat exchange tubes, it comprises the heat exchanger tube of a plurality of parallel connections; Header; Second set of heat exchange tubes, it comprises the heat exchanger tube of a plurality of parallel connections; Outlet.Wherein an end of each in the heat exchanger tube of a plurality of parallel connections of first set of heat exchange tubes links to each other with inlet tube, and the other end links to each other with header; One end of each in the heat exchanger tube of a plurality of parallel connections of second set of heat exchange tubes links to each other with header, and the other end links to each other with outlet, make cold-producing medium to enter from inlet tube, through first set of heat exchange tubes, header, second set of heat exchange tubes, discharge from described outlet, thereby form in-line heat exchanger.
Preferably, the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes is copper tube and fin formula or flat tube and fin type structure.
Preferably, described header comprises the pipe group that many afflux single tubes are combined into.
Preferably, described header is made of an afflux single tube.
Preferably, described header forms by plaing two holes formation or use two aluminum pipes to connect on aluminium block.
Preferably, described header comprises the passage that mainboard and top cover surround.
Preferably, above-mentioned mainboard and top cover are formed by aluminium sheet respectively.
Preferably, above-mentioned mainboard is connected by welding or crimping with top cover.
Preferably, form the pore that is communicated with the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes on the above-mentioned mainboard.
Preferably, form reinforcement on the above-mentioned top cover.
Preferably, described header comprises the passage that is surrounded by an aluminium one.
Preferably, the seam crossing of the passage that surrounds of above-mentioned aluminium one is by being welded to connect.
The advantage of heat exchanger of the present invention is its designs simplification, and the thermal efficiency improves.
Description of drawings
Fig. 1 is the schematic diagram of the heat exchanger of one embodiment of the invention;
Fig. 2 is the schematic diagram of the heat exchanger of another embodiment of the present invention;
Fig. 3 is the concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention;
Fig. 4-the 6th, the assembling schematic diagram of the concrete structure of header in the heat exchanger of single header form of the present invention;
Fig. 7 is another concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention;
Fig. 8 is the another concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention;
Fig. 9 is a concrete structure schematic diagram again of header in the heat exchanger of single header form of the present invention;
Figure 10 is a concrete structure schematic diagram again of header in the heat exchanger of single header form of the present invention;
Figure 11 is an other concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention;
Figure 12-the 16th, the assembling schematic diagram of the concrete structure of header in the heat exchanger of the of the present invention single header form shown in Figure 10 and 11.
The specific embodiment
Fig. 1 is the schematic diagram of the heat exchanger of one embodiment of the invention.It is mainly used in the heat exchanger that uses the A type in the air-conditioning.Though the present invention mainly is the improvement of carrying out at the heat exchanger that uses the A type in the air-conditioning, it will be apparent to those skilled in the art that thought of the present invention goes for other fields of using heat exchanger.Therefore, the invention is not restricted to the heat exchanger of A type.
As shown in Figure 1, heat exchanger 10 comprises: inlet tube 1; First set of heat exchange tubes, it comprises the heat exchanger tube 2 of a plurality of parallel connections; Header 3; Second set of heat exchange tubes, it comprises the heat exchanger tube 5 of a plurality of parallel connections; Outlet 6.Wherein an end of each in the heat exchanger tube of a plurality of parallel connections of first set of heat exchange tubes links to each other with inlet tube 1, and the other end links to each other with header 3; One end of each in the heat exchanger tube of a plurality of parallel connections of second set of heat exchange tubes links to each other with header 3, and the other end links to each other with outlet 6, make cold-producing medium to enter from inlet tube 1 in the direction of arrow A, through first set of heat exchange tubes, header 3, second set of heat exchange tubes, discharge from described outlet 6, thereby form in-line heat exchanger.Label 4 expression deep beads among the figure.
Wherein, the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes can be finned for pipe, also can be the flat tube and fin type structure, made by materials such as copper, aluminium, copper alloy, aluminium alloys, perhaps any other suitable structure.
The quantity of the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes can increase and decrease as required.
Described header can comprise the pipe group that many afflux single tubes are combined into, and it is connected with each other logical by the hole.In the present embodiment, described header comprises 2 afflux single tubes.Described header forms, communicates with each other by the hole between two holes or between two pipes by plaing two holes formation or use two aluminum pipes to connect on aluminium block.
Compare with the disclosed heat exchanger that is connected in parallel of prior art, the heat exchanger of the form of series connection can increase the flow velocity and the heat transfer coefficient of refrigerant side, thereby improves the heat transfer property of heat exchanger.The type of attachment of series connection is not limited to the listed version of this patent.
So long as the structure that two groups of Tube Sheet of Heat Exchanger are connected on inlet tube and outlet all belongs to protection scope of the present invention.
And, the invention is not restricted to two groups of Tube Sheet of Heat Exchanger, thereby can use the multi-group heat exchanger pipe two ends of connecting then to be communicated with inlet tube and outlet and to constitute in-line heat exchanger.
In the embodiment shown in fig. 1, described header comprises 2 afflux single tubes.In addition, a plurality of headers also can synthesize an integrative-structure, as shown in Figure 2.Like this, can make refrigerant mixed even, increase volume simultaneously, reduce flow resistance.
Fig. 2 shows the schematic diagram of part of the heat exchanger of another embodiment of the present invention, and unshowned part can be identical with the structure of Fig. 1, and therefore identical parts use the label identical with Fig. 1.The heat exchanger 20 of this embodiment comprises: inlet tube 1; First set of heat exchange tubes, it comprises the heat exchanger tube 2 of a plurality of parallel connections; Header 23; Second set of heat exchange tubes, it comprises the heat exchanger tube 5 of a plurality of parallel connections; Outlet 6.Wherein an end of each in the heat exchanger tube of a plurality of parallel connections of first set of heat exchange tubes links to each other with inlet tube 1, and the other end links to each other with header 23; One end of each in the heat exchanger tube of a plurality of parallel connections of second set of heat exchange tubes links to each other with header 23, and the other end links to each other with outlet 6, make cold-producing medium to enter from inlet tube 1 in the direction of arrow A, through first set of heat exchange tubes, header 23, second set of heat exchange tubes, discharge from described outlet 6, thereby form in-line heat exchanger.
Wherein, the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes can be finned for pipe, also can be the flat tube and fin type structure, made by materials such as copper, aluminium, copper alloy, aluminium alloys, perhaps any other suitable structure.
The same with first embodiment, the quantity of the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes can increase and decrease as required.
Different with first embodiment is that described header is formed by single pipe.
Similar with first embodiment, the heat exchanger of present embodiment is compared with the disclosed heat exchanger that is connected in parallel of prior art, can increase the flow velocity and the heat transfer coefficient of refrigerant side, thereby improves the heat transfer property of heat exchanger.The type of attachment of series connection is not limited to the listed version of this patent.So long as the structure that two groups of Tube Sheet of Heat Exchanger are connected on inlet tube and outlet all belongs to protection scope of the present invention.And, the invention is not restricted to two groups of Tube Sheet of Heat Exchanger, thereby can use the multi-group heat exchanger pipe two ends of connecting then to be communicated with inlet tube and outlet and to constitute in-line heat exchanger.
The concrete structure of the header of single pipe can have following several generation type, but following mode only is that those skilled in the art can adopt other mode to construct the header of single pipe for example.
Fig. 3 is the concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention.Fig. 4-the 6th, the assembling schematic diagram of the concrete structure of header in the heat exchanger of single header form shown in Figure 3.
As shown in Figure 3, header 23 comprises: top cover 23a; Mainboard 23b.Top cover 23a can use the aluminium sheet moulding, for gaining in strength, can stamp out reinforcement or other modes are strengthened.Mainboard 23b can use aluminium sheet punching moulding.Both ends are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the mainboard 23b as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
Fig. 4-6 shows the assembling schematic diagram of the concrete structure of header in the heat exchanger of single header form shown in Figure 3.As shown in the figure, earlier the mainboard 23b and the heat exchanger tube 24 of punching moulding are assembled the assembly that is welded into a double parallel, then it is converted into the A type, again top cover 23a is connected by argon arc welding or other suitable methods with mainboard 23b.Wherein the structural shape of mainboard 23b can also have following structure.Be the past flanging of going out on the mainboard 23b in flat tube hole, or through hole, without turn-ups, as shown in Figure 6.
After will assembling with upper-part, with the two ends of end cap sealing header, and with its welded seal.
Also can after all parts are all assembled, these parts be fixed together by welding or other suitable manner.
Fig. 7 is another concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention.
As shown in the figure, header 23 comprises: top cover 23a; Mainboard 23b.Top cover 23a can use the aluminium sheet moulding, for gaining in strength, can stamp out reinforcement or other modes are strengthened.Wherein, the both sides crimping of top cover 23a.Mainboard 23b can use aluminium sheet punching moulding.Wherein, mainboard 23b quilt is towards the flat tube hole, and the both sides crimping is combined into structure as shown in Figure 7 through bending several times and with top cover 23a then.
The both ends of header are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the mainboard 23b as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
The assembling form of the concrete structure of header and aforesaid mode are similar in the heat exchanger of single header form shown in Figure 7.With the mainboard 23b and heat exchanger tube 24 assemblings of punching, crimping, the top cover 23a with crimping combines with mainboard 23b more earlier, after these parts are all assembled, with the two ends of end cap sealing header, by argon arc welding or other suitable methods these parts is connected.
Fig. 8 is the another concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention.
As shown in the figure, header 23 comprises: top cover 23a; Mainboard 23b.Top cover 23a can use the aluminium sheet moulding, for gaining in strength, can stamp out reinforcement or other modes are strengthened.Wherein, the both sides flanging of top cover 23a.Mainboard 23b can use aluminium sheet punching moulding.Wherein, mainboard 23b quilt is towards flat tube hole, bending forming then.
The both ends of header are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the mainboard 23b as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
The assembling form of the concrete structure of header and aforesaid mode are similar in the heat exchanger of single header form shown in Figure 8.With the mainboard 23b and heat exchanger tube 24 assemblings of punching, bending, the top cover 23a with flanging combines with mainboard 23b more earlier, after these parts are all assembled, with the two ends of end cap sealing header, by argon arc welding or other suitable methods these parts is connected.
Each above-mentioned assembling process only is for example, rather than limits.Those skilled in the art obviously can use various compound modes that above-mentioned each parts are fitted together, successively the welding or weld together simultaneously.Can adopt welding manner, also can adopt other any suitable modes that is tightly connected.
In addition, end cap also can be formed by the end of top cover or mainboard.
Fig. 9 is a concrete structure schematic diagram again of header in the heat exchanger of single header form of the present invention.
As shown in the figure, header 23 comprises: the moulding pipe 23a that is processed by punch forming by aluminum pipe.Moulding pipe 23a can use aluminium, for gaining in strength, can stamp out reinforcement or other modes are strengthened.
The both ends of header are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.End cap can form as one with moulding pipe 23a.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the moulding pipe 23a as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
The assembling form of the concrete structure of header and aforesaid mode are similar in the heat exchanger of single header form shown in Figure 9.With the moulding pipe 23a and heat exchanger tube 24 assemblings of punching,, these parts are connected earlier by argon arc welding or other suitable methods with the two ends of end cap sealing header.
Above-mentioned assembling process only is for example, rather than limits.Those skilled in the art obviously can use various compound modes that above-mentioned each parts are fitted together, successively the welding or weld together simultaneously.Can adopt welding manner, also can adopt other any suitable modes that is tightly connected.
Figure 10 is a concrete structure schematic diagram again of header in the heat exchanger of single header form of the present invention.
As shown in the figure, header 23 comprises: by the pipe that punch forming processes, be shaped to the aluminium sheet two end connectors overlap joint of this pipe by aluminium sheet 23a.For gaining in strength, can stamp out reinforcement or other modes are strengthened.
Overlapping part 25 connects by welded seal.
The both ends of header are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.End cap also can form as one with the aluminium sheet 23a that forms pipe.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the pipe as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
The assembling form of the concrete structure of header is shown in Figure 12-15 in the heat exchanger of single header form shown in Figure 10.Earlier the assembly that the aluminium sheet 23a and the heat exchanger tube 24 of punching is welded into a double parallel is converted into it the A type then, again with the crooked final joint form shown in Figure 15 that becomes of aluminium sheet 23a, by ratio-frequency welding or argon arc welding (perhaps other suitable welding method) welding.
With the two ends of end cap sealing header, these parts are connected by argon arc welding or other suitable methods.
Above-mentioned assembling process only is for example, rather than limits.Those skilled in the art obviously can use various compound modes that above-mentioned each parts are fitted together, successively the welding or weld together simultaneously.Can adopt welding manner, also can adopt other any suitable modes that is tightly connected.
Figure 11 is an other concrete structure schematic diagram of header in the heat exchanger of single header form of the present invention.Figure 12-14 and 16 is assembling schematic diagrames of the concrete structure of header in the heat exchanger of of the present invention single header form shown in Figure 11.
As shown in the figure, header 23 comprises: the pipe that is processed by punch forming by aluminium sheet 23a.
Different with the structure of Figure 10, be shaped to the aluminium sheet two end connectors butt joint of this pipe.For gaining in strength, can stamp out reinforcement or other modes are strengthened.
Docking site 26 connects by welded seal.
The both ends of header are by the welding end cap seal.This end cap can pass through the aluminium sheet punch forming.End cap also can form as one with the aluminium sheet 23a that forms pipe.
The material of the various piece of header 23 also can adopt the other materials material that for example copper, copper alloy, aluminium alloy etc. are suitable to form.
Be fixed in the punching on the pipe as the flat tubular fin 24 of heat exchanger tube, thereby be communicated with header 23 fluids.
The assembling form of the concrete structure of header is shown in Figure 12-14 and 16 in the heat exchanger of single header form shown in Figure 11.Earlier the assembly that the aluminium sheet 23a and the heat exchanger tube 24 of punching is welded into a double parallel is converted into it the A type then, again with the crooked final banjo fixing butt jointing form shown in Figure 16 that becomes of aluminium sheet 23a, by ratio-frequency welding or argon arc welding (perhaps other suitable welding method) welding.
With the two ends of end cap sealing header, these parts are connected by argon arc welding or other suitable methods.
Above-mentioned assembling process only is for example, rather than limits.Those skilled in the art obviously can use various compound modes that above-mentioned each parts are fitted together, successively the welding or weld together simultaneously.Can adopt welding manner, also can adopt other any suitable modes that is tightly connected.
Structure of the present invention and assembling mode have below been described by way of example.It will be apparent to those skilled in the art that the distortion that structure of the present invention can be done various equivalences all belongs to the scope of protection of the invention.

Claims (2)

1. a heat exchanger is characterized in that it comprises: inlet tube; First set of heat exchange tubes, it comprises the heat exchanger tube of a plurality of parallel connections; Header; Second set of heat exchange tubes, it comprises the heat exchanger tube of a plurality of parallel connections; Outlet;
Wherein an end of each in the heat exchanger tube of a plurality of parallel connections of first set of heat exchange tubes links to each other with inlet tube, and the other end links to each other with header; One end of each in the heat exchanger tube of a plurality of parallel connections of second set of heat exchange tubes links to each other with header, and the other end links to each other with outlet, make cold-producing medium to enter from inlet tube, through first set of heat exchange tubes, header, second set of heat exchange tubes, discharge from described outlet, thereby form in-line heat exchanger, described header is made of an afflux single tube, described afflux single tube comprises the passage that is surrounded by an aluminium one, and the seam crossing overlap joint of the passage that surrounds in one of described aluminium or butt joint and by being welded to connect.
2. heat exchanger as claimed in claim 1, wherein, the heat exchanger tube of the heat exchanger tube of first set of heat exchange tubes and second set of heat exchange tubes is copper tube and fin formula or flat tube and fin type structure.
CN2009100033894A 2009-01-22 2009-01-22 Heat exchanger Active CN101788213B (en)

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Application Number Priority Date Filing Date Title
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CN101788213B true CN101788213B (en) 2011-09-28

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Families Citing this family (8)

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CN102401604A (en) * 2010-09-17 2012-04-04 珠海格力电器股份有限公司 Heat exchanger connecting device and micro channel heat exchanger
CN102079038B (en) 2010-12-08 2013-02-13 三花控股集团有限公司 Heat exchanger and refrigerant diversion tube thereof as well as method for processing refrigerant diversion tube
CN104197748B (en) * 2014-08-07 2016-03-16 无锡市豫达换热器有限公司 Based on the air cooler of chamfered edge platform structure
CN107218822B (en) * 2016-03-21 2019-04-19 丹佛斯微通道换热器(嘉兴)有限公司 Heat exchanger and air-conditioning system
CN206420193U (en) * 2017-01-20 2017-08-18 丹佛斯微通道换热器(嘉兴)有限公司 Heat exchanger assembly
CN109631419A (en) * 2018-12-20 2019-04-16 广州美的华凌冰箱有限公司 Heat-exchange device and refrigerator
CN112539664A (en) * 2019-09-20 2021-03-23 浙江盾安热工科技有限公司 Heat exchanger
CN112747502A (en) * 2019-10-29 2021-05-04 浙江盾安热工科技有限公司 Heat exchanger

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Publication number Priority date Publication date Assignee Title
CN1723378A (en) * 2002-12-10 2006-01-18 贝洱两合公司 Heat exchanger
CN1879003A (en) * 2003-11-14 2006-12-13 昭和电工株式会社 Evaporator and process for fabricating same
CN1930439A (en) * 2004-03-09 2007-03-14 昭和电工株式会社 Semifinished joint plate, joint plate, process for fabricating joint plate and heat exchanger
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