CN108267033A - A kind of integral braze-welded plate-fin heat exchanger - Google Patents
A kind of integral braze-welded plate-fin heat exchanger Download PDFInfo
- Publication number
- CN108267033A CN108267033A CN201810143615.8A CN201810143615A CN108267033A CN 108267033 A CN108267033 A CN 108267033A CN 201810143615 A CN201810143615 A CN 201810143615A CN 108267033 A CN108267033 A CN 108267033A
- Authority
- CN
- China
- Prior art keywords
- type groove
- plate
- core body
- qian type
- heat exchange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003466 welding Methods 0.000 claims abstract description 26
- 239000012530 fluid Substances 0.000 claims description 17
- 238000000034 method Methods 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000005457 optimization Methods 0.000 abstract 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 16
- 229910052786 argon Inorganic materials 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/04—Arrangements for sealing elements into header boxes or end plates
- F28F9/16—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling
- F28F9/18—Arrangements for sealing elements into header boxes or end plates by permanent joints, e.g. by rolling by welding
Abstract
The invention discloses a kind of integral braze-welded plate-fin heat exchangers, the heat exchange core body in Qian type groove road is equipped with including left side and right side, the bottom of heat exchange core body is connected with lower cover, the lower end in Qian type groove road is connected to the top surface at lower cover both ends, the two vertical side plates in Qian type groove road extend to form the positioning gusset being bonded with heat exchange core body side, the upper end in Qian type groove road is respectively connected with disengaging connector, and the bottom for passing in and out connector includes and Qian type groove road butt junction location plate.Under the positioning action of lower cover so that the bottom in Qian type groove road and the bottom of heat exchange core body are coplanar；By the optimization design of heat exchanging device entirety, the precise positioning of each parts is realized, be easy to implement the integral braze-welded of heat exchanger.Compared to existing welding procedure, integral braze-welded mode is taken, local stress will not be generated, ensure that the consistency of product so that product structure is more reasonable, improves product compression strength and performance.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly to a kind of integral braze-welded plate-fin heat exchanger.
Background technology
Plate-fin heat exchanger generally includes partition board, outer fin, strip of paper used for sealing and flow deflector.Adjacent two partition room place outer fin,
Flow deflector and strip of paper used for sealing form an interlayer, form fluid channel.Above-mentioned interlayer is stacked in different ways according to actual needs,
It is brazed and forms heat exchange core body, then the parts such as heat exchange core body and corresponding conduit, pipe fitting, mounting bracket are passed through for an entirety
The mode of argon arc welding realizes that tube sheet connects, that is, forms plate-fin heat exchanger.
At present, existing heat exchanger structure is required to by way of argon arc welding realize that tube sheet connects, but above-mentioned weldering
It is not only time-consuming and laborious to connect mode, increases entreprise cost, and argon-arc welding seam area locally generates stress, easily bursts.
Invention content
The technical problems to be solved by the invention are to provide a kind of reasonable design, achievable integral braze-welded plate-fin and change
Hot device.
Used technical solution to solve above-mentioned technical problem：A kind of integral braze-welded plate-fin heat exchanger, including changing
Hot core, the left side and right side of the heat exchange core body are equipped with Qian type groove road, and the bottom of the heat exchange core body is connected with down
Cover board, the lower end in the Qian type groove road are connected to the top surface at lower cover both ends, and the two vertical side plates in the Qian type groove road prolong
The positioning gusset for being formed with and being bonded with heat exchange core body side is stretched, the upper end in the Qian type groove road is respectively connected with disengaging connector, institute
The bottom for stating disengaging connector includes and Qian type groove road butt junction location plate.
Further, upper cover plate, the side of the positioning plate and the side of upper cover plate are connected at the top of the heat exchange core body
It docks in portion.
Further, it is equipped between the upper end in the positioning plate and Qian type groove road and welds auxiliary plate.
Further, welding gusset is equipped between the positioning gusset and the corner of heat exchanger.
Further, the vertical bottom plate in the Qian type groove road has extended to form installing plate.
Further, the heat exchange core body includes several fluid channels laterally set, between the adjacent fluid channel
Outer fin is connected with, the fluid channel includes ratio-frequency welded tube and the inner fin inside ratio-frequency welded tube.
Further, the heat exchange core body includes several fluid channels laterally set, between the adjacent fluid channel
Outer fin is connected with, the fluid channel is the micro-channel tubes for being internally provided with microchannel.
Further, the inner wall of the microchannel has been horizontally formed several raised lines.
Advantageous effect：Heat exchanger provided by the present invention, under the positioning action of lower cover so that the bottom in Qian type groove road
It is coplanar with the bottom of heat exchange core body；Meanwhile the positioning gusset that Qian type groove road is equipped with realizes Qian type groove road the two of heat exchange core body
The positioning of side；In addition, disengaging connector is docked at the upper end in Qian type groove road by positioning plate.Pass through the excellent of heat exchanging device entirety
Change design, realize the precise positioning of each parts, be easy to implement the integral braze-welded of heat exchanger.Compared to existing welding procedure,
The present apparatus can save argon arc welding welding step, shorten the manufacture duration of product；And integral braze-welded mode is taken, will not be produced
Raw local stress, ensure that the consistency of product so that product structure is more reasonable, improves product compression strength and performance.
Description of the drawings
The present invention is described further with reference to the accompanying drawings and examples：
Fig. 1 is a kind of assembling schematic diagram of integral braze-welded plate-fin heat exchanger of the embodiment of the present invention；
Fig. 2 is a kind of overall schematic of integral braze-welded plate-fin heat exchanger of the embodiment of the present invention；
Fig. 3 is the assembling schematic diagram of ratio-frequency welded tube of the embodiment of the present invention and inner fin；
Fig. 4 is the structure diagram that the hot core of the embodiment of the present invention is micro-channel tubes；
Fig. 5 is the schematic cross-section in Qian type groove of embodiment of the present invention road.
Specific embodiment
Referring to figs. 1 to Fig. 5, a kind of integral braze-welded plate-fin heat exchanger of the embodiment of the present invention including heat exchange core body 1, changes
The left side and right side of hot core 1 have been fixedly connected with Qian type groove road 2, and the bottom of heat exchange core body 1 is connected with lower cover 4, and
And the both sides of the both ends of lower cover 4 to heat exchange core body 1 are prominent, the lower end in Qian type groove road 2 is connected to 4 both ends of lower cover
Top surface so that the bottom in Qian type groove road 2 is concordant with the bottom of heat exchange core body 1, convenient for soldered into position.Meanwhile the two of Qian type groove road 2
Vertical side plate extends to form the positioning gusset 21 being bonded with 1 side of heat exchange core body, and positioning gusset 21 forms three with heat exchange core body 1
It is close in face so that Qian type groove road 2 is located in the both sides of heat exchange core body 1.The upper end in Qian type groove road 2 is respectively connected with disengaging connector
3, the bottom of disengaging connector 3 includes and 2 butt junction location plate 31 of Qian type groove road.Positioning plate 31 is overlapped on the upper of Qian type groove road 2 simultaneously
The fixation of disengaging connector 3 by welding procedure, is realized in end and the top of heat exchange core body 1.
Heat exchanger provided by the present invention by the Optimal Structure Designing of the multiple parts of heat exchanging device, realizes each zero
The precise positioning of part, and then it is integral braze-welded that heat exchanger is facilitated to realize.Compared to existing welding procedure, the present apparatus can save argon arc
Welding step is welded, reduces manufacturing process, shortens the manufacture duration of product, thereby reduce the manufacture cost of product；And
Integral braze-welded mode is taken, local stress will not be generated, ensure that the consistency of product so that product structure is more reasonable, carries
High product compression strength and performance.
Preferably, the top of heat exchange core body 1 is connected with upper cover plate 5, the side of positioning plate 31 and the side pair of upper cover plate 5
It connects.The both ends of upper cover plate 5 play the role of limiting, it is only necessary to disengaging connector 3 are placed on the both ends of upper cover plate 5 and supported
It connects, can realize the positioning of disengaging connector 3, convenient follow-up precisely soldering.Meanwhile it will entirely be changed using upper cover plate 5 and lower cover 4
The parts of hot device both sides connect into an entirety, on the one hand so that product is beautiful, on the other hand also enhance the strong of product
Degree.
Auxiliary plate 6 is welded preferably, being equipped between the upper end in positioning plate 31 and Qian type groove road 2.Due to Qian type groove road 2 with
Passing in and out connector 3 needs to form sealed connection, and weaker in the junction in Qian type groove road 2 and disengaging connector 3, in order to ensure
Leakproofness and intensity after welding add the auxiliary plate 6 of welding, and replace argon arc welding with soldering, can reach requirements above.Meanwhile
It positions and welding gusset 7 is equipped between gusset 21 and the corner of heat exchanger, by way of soldering, realize Qian type groove road 2 with changing
The high intensity of hot core 1 is fixedly connected with high leakproofness.
Preferably, the vertical bottom plate in Qian type groove road 2 has extended to form installing plate 22.Installing plate 22 is made with Qian type groove road 2
Integrally, eliminate through argon arc welding process installing plate 22 being welded on Qian type groove road 2.
Preferably, heat exchange core body 1 includes several fluid channels laterally set, it is connected between adjacent flow channels outer
Fin, fluid channel include ratio-frequency welded tube 11 and the inner fin 111 inside ratio-frequency welded tube 11.Wherein, ratio-frequency welded tube 11
It is integrally formed, replaces the form of existing clamping plate and strip of paper used for sealing assembly welding, more preferably, antiknock ability is stronger for performance.In being plugged in pipe
Fin 111 simultaneously forms many microchannels 121, is easy to implement the exchange of heat.
Preferably, heat exchange core body 1 includes several fluid channels laterally set, it is connected between adjacent flow channels outer
Fin, fluid channel are the micro-channel tubes 12 for being internally provided with microchannel 121.Micro-channel tubes 12 are integrally formed, and are avoided because of argon
Concentrated stress caused by arc-welding, intensity is more excellent, and leakproofness and uprising performance are more preferable.
Preferably, the inner wall of microchannel 121 has been horizontally formed several raised lines 1211.Along the direction of air-flow, raised line is set
1211, the contact area of air-flow and microchannel 121 is increased, improves its exchange capability of heat.
It is the specific manufacturing process flow of present invention heat exchanger below：
S1, inner fin 111, outer fin, the auxiliary plate 6 of welding and welding gusset 7 are manufactured using Sheet Metal Forming Technology；
S2, using automatic sawing machine sawing sheet technique manufacture Qian type groove road 2, upper cover plate 5, lower cover 4, ratio-frequency welded tube 11 and micro-
Tube channel 12；
S3, connector 3 is passed in and out using lathe in machining；
S4, each part is processed using ultrasonic cleaning；
S5, inner fin 111, outer fin, the auxiliary plate 6 of welding and welding gusset 7 are realized that solder flux impregnates；
S6, each parts are dried by drying oven；
S7, the assembling that each parts are realized using dedicated kludge and frock clamp；
S8, assembled each parts by the way of furnace brazing are welded, realizes the integral solder of heat exchanger
Molding.
S9, the heat exchanger being brazed is subjected to pressure testing, as test passes, finished product.
A kind of integral braze-welded plate-fin heat exchanger of the present invention by Optimal Structure Designing, can save argon arc welding welding
Step, it is easily manufactured, reduce process, save cost.Product structure is more reasonable.
Embodiments of the present invention are explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned embodiment party
Formula, can also be before present inventive concept not be departed from the knowledge having in the technical field those of ordinary skill
Put that various changes can be made.
Claims (8)
1. a kind of integral braze-welded plate-fin heat exchanger, including heat exchange core body, it is characterised in that：The left side of the heat exchange core body
Qian type groove road is equipped with right side, the bottom of the heat exchange core body is connected with lower cover, and the lower end in the Qian type groove road is supported
The top surface at lower cover both ends is connected on, the two vertical side plates in the Qian type groove road extend to form what is be bonded with heat exchange core body side
Gusset is positioned, the upper end in the Qian type groove road is respectively connected with disengaging connector, and the bottom of the disengaging connector includes and Qian type groove
Road butt junction location plate.
2. integral braze-welded plate-fin heat exchanger according to claim 1, it is characterised in that：The top of the heat exchange core body
Upper cover plate is connected with, the side of the positioning plate is docked with the side of upper cover plate.
3. integral braze-welded plate-fin heat exchanger according to claim 2, it is characterised in that：The positioning plate and Qian type groove
It is equipped between the upper end in road and welds auxiliary plate.
4. integral braze-welded plate-fin heat exchanger according to claim 3, it is characterised in that：In the positioning gusset with changing
Welding gusset is equipped between the corner of hot device.
5. integral braze-welded plate-fin heat exchanger according to claim 1, it is characterised in that：The Qian type groove road it is vertical
Bottom plate has extended to form installing plate.
6. integral braze-welded plate-fin heat exchanger according to claim 1, it is characterised in that：If the heat exchange core body includes
The fluid channel laterally set is done, outer fin is connected between the adjacent fluid channel, the fluid channel includes ratio-frequency welding
Pipe and the inner fin inside ratio-frequency welded tube.
7. integral braze-welded plate-fin heat exchanger according to claim 1, it is characterised in that：If the heat exchange core body includes
The fluid channel laterally set is done, outer fin is connected between the adjacent fluid channel, the fluid channel is is internally provided with
The micro-channel tubes of microchannel.
8. integral braze-welded plate-fin heat exchanger according to claim 7, it is characterised in that：The inner wall of the microchannel
It has been horizontally formed several raised lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143615.8A CN108267033A (en) | 2018-02-11 | 2018-02-11 | A kind of integral braze-welded plate-fin heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810143615.8A CN108267033A (en) | 2018-02-11 | 2018-02-11 | A kind of integral braze-welded plate-fin heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108267033A true CN108267033A (en) | 2018-07-10 |
Family
ID=62774057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810143615.8A Pending CN108267033A (en) | 2018-02-11 | 2018-02-11 | A kind of integral braze-welded plate-fin heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108267033A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141062A (en) * | 2018-09-28 | 2019-01-04 | 安徽开华散热器制造科技有限公司 | A kind of radiator with microchannel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202221258U (en) * | 2011-08-01 | 2012-05-16 | 无锡市众博换热器有限公司 | Plate-fin oil cooler |
| CN202614071U (en) * | 2012-03-22 | 2012-12-19 | 浙江盾安人工环境股份有限公司 | Heat exchanger |
| CN204665753U (en) * | 2015-03-27 | 2015-09-23 | 重庆超力高科技股份有限公司 | A kind of reducing flat tube for micro-channel heat exchanger |
| CN105953622A (en) * | 2016-06-08 | 2016-09-21 | 无锡方盛换热器股份有限公司 | Integrally-brazed plate type heat exchanger |
| CN206056370U (en) * | 2016-07-04 | 2017-03-29 | 杭州新都奥兰汽车空调有限公司 | A kind of tube fin type heat exchange passage |
| CN106949759A (en) * | 2017-04-01 | 2017-07-14 | 南京工业大学 | The cross-current type aluminum plate-fin heat exchanger of Stress Release seam is opened up based on flexible seal strip and cover plate |
| CN208091276U (en) * | 2018-02-11 | 2018-11-13 | 李石山 | A kind of integral braze-welded plate-fin heat exchanger |
-
2018
- 2018-02-11 CN CN201810143615.8A patent/CN108267033A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202221258U (en) * | 2011-08-01 | 2012-05-16 | 无锡市众博换热器有限公司 | Plate-fin oil cooler |
| CN202614071U (en) * | 2012-03-22 | 2012-12-19 | 浙江盾安人工环境股份有限公司 | Heat exchanger |
| CN204665753U (en) * | 2015-03-27 | 2015-09-23 | 重庆超力高科技股份有限公司 | A kind of reducing flat tube for micro-channel heat exchanger |
| CN105953622A (en) * | 2016-06-08 | 2016-09-21 | 无锡方盛换热器股份有限公司 | Integrally-brazed plate type heat exchanger |
| CN206056370U (en) * | 2016-07-04 | 2017-03-29 | 杭州新都奥兰汽车空调有限公司 | A kind of tube fin type heat exchange passage |
| CN106949759A (en) * | 2017-04-01 | 2017-07-14 | 南京工业大学 | The cross-current type aluminum plate-fin heat exchanger of Stress Release seam is opened up based on flexible seal strip and cover plate |
| CN208091276U (en) * | 2018-02-11 | 2018-11-13 | 李石山 | A kind of integral braze-welded plate-fin heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109141062A (en) * | 2018-09-28 | 2019-01-04 | 安徽开华散热器制造科技有限公司 | A kind of radiator with microchannel |
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