CN102353294A - Folding-type microchannel porous flat pipe and molding method thereof - Google Patents
Folding-type microchannel porous flat pipe and molding method thereof Download PDFInfo
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- CN102353294A CN102353294A CN 201110252447 CN201110252447A CN102353294A CN 102353294 A CN102353294 A CN 102353294A CN 201110252447 CN201110252447 CN 201110252447 CN 201110252447 A CN201110252447 A CN 201110252447A CN 102353294 A CN102353294 A CN 102353294A
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Abstract
The invention discloses a folding-type microchannel porous flat pipe and a molding method thereof. The flat pipe is formed by subjecting a single thin slab to integral molding, and the single thin slab is sequentially advanced by a mechanical bending mechanism in a multi-point molding control manner, wherein two ends of the single thin slab are respectively bent circuitously, then the circuitously bent parts are vertically bent twice and then horizontally turned and folded once and are butt-jointed at a mesal position of the single thin slab for integral molding, and thus, a porous flat pipe with mutually spaced fine pores is further formed. Compared with the prior art, the invention has the beneficial effects that: 1, the structural form of the flat pipe disclosed by the invention is suitable to being used in a light-weight heat exchanger with light weight and high heat conductivity; 2, the advantages of compact entire structure, high heat exchange efficiency, light weight, firmness, durability, and operation safety and reliability are achieved; 3, by adopting the integral folding and molding structure, the energy consumption of a product production process is low, and the pressure resistance of products is good; and 4, the effect of producing and yield can be achieved through mechanical control, the inventory level is greatly reduced, the product turnover efficiency is increased, and the requirement on lean production can be met.
Description
Technical field
The present invention relates to a kind of flat tube, belong to heat exchanger flat tube technical field, refer in particular to collapsible microchannel porous flat pipe and forming method thereof.
Background technology
At present, along with the microminiaturization development of mechanical-electronic system and chemical machinery system, traditional heat transmission equipment can not well satisfy the basic demand of application system, and what heat transmission equipment was microminiaturized develops into for urgent requirement and inevitable trend; On the other hand, along with day by day highlighting of energy problem, require satisfying under the prerequisite of exchange heat; Must dwindle the heat transmission equipment volume as far as possible, promptly improve the compactedness of heat transmission equipment, and then alleviate the weight of heat transmission equipment; Economical with materials, and correspondingly improve space availability ratio.And a key technology of the microminiaturized development of heat transmission equipment is the microminiaturization and the high efficiency of flat heat exchange pipe, and existing flat heat exchange pipe is difficult to satisfy this demand for development, is necessary that therefore it is made corresponding techniques improves.
Summary of the invention
The objective of the invention is to overcome shortcoming of the prior art with not enough, provide that a kind of compact conformation is reasonable, heat exchange efficiency is high, light weight, the little and safe and reliable collapsible microchannel porous flat pipe of volume.
Another object of the present invention is to improve the forming method of above-mentioned collapsible microchannel porous flat pipe.
In order to realize first purpose, the present invention realizes by following technical scheme:
A kind of collapsible microchannel porous flat pipe, it is one-body molded after the circuitous bending of several times is folding by monomer thin plate two ends, and its cross section is flat ellipse, includes several through circuitous be folded to form and the pore space of bending.
Further; Said monomer thin plate adopts aluminium platinum sheet material; It is divided into circuitous bending part and bag embedding portion; Bag embedding portion welding with the monomer thin plate fixedly constitutes the flat tube pore through the folding back of bending by the circuitous bending part of monomer thin plate, the upper and lower plane of the bending part that makes a circulation respectively with airtight connection of the seamless soldering in plane of wrapping embedding portion.Circuitous bending part forms the space bar between the flat tube pore, in order to strengthen the planar compression intensity of porous flat pipe, has also increased the heat transfer area between porous flat pipe and the cooling medium simultaneously.
Further, the folding position of the bending of said flat tube is semi-circular shape or circular shape.The folding position of bending is designed to semi-circular shape or circular shape, can reduce windage, improves the radiating effect of microchannel porous flat pipe heat exchanger.
Further, the upper and lower surface of said flat tube is a smooth flat.Smooth flat provides a good solder side when assembling for the parallel flow heat exchanger core body, guarantee the flatness and the depth of parallelism of fin.
Further, the length of said flat tube cross section is 16 ± 0.05mm, and width is 1.8 ± 0.05mm; The length of said flat tube pore is 1.6mm～1.8mm.
In order to realize second purpose, the present invention realizes by following technical scheme:
The forming method of a kind of collapsible microchannel porous flat pipe; Said flat tube adopts a monomer thin plate one-body molded; The monomer thin plate advances through mechanical bending mechanism multiple spot moulding control in proper order; Earlier the circuitous respectively bending in monomer thin plate two ends; Then will make a circulation the part of bending after twice vertical bending; Folding and one-body molded through a flip horizontal again in the midline position butt joint of monomer thin plate, and then formation has the porous flat pipe of the pore of space.
Further; Said monomer thin plate two ends form circuitous bending part by the circuitous bending of " S " type; The remaining straight portion of monomer thin plate is bag embedding portion, circuitous bending part through vertical bending and its upper and lower plane after flip horizontal folds respectively with airtight connection of the seamless soldering in plane of wrapping embedding portion.
Further, said monomer thin plate is connected in the bonding station soldering is airtight through straightening, after proofreading and correct, tighten up and finalizing the design after midline position butt joint.
Further, the folding position of the bending of said flat tube is semi-circular shape or circular shape, and the upper and lower surface of flat tube is a smooth flat.
Further, the length of said flat tube cross section is 16 ± 0.05mm, and width is 1.8 ± 0.05mm; The length of said flat tube pore is 1.6mm～1.8mm.
The present invention compared with prior art, its beneficial effect is:
1, the version of flat tube according to the invention is applicable to that light-type heat exchanger in light weight, that heat conductivility is high uses;
2, compact overall structure, heat exchange efficiency height, light weight, sturdy and durable, safe and reliable to operation;
3, adopt one folding forming structure, the process of producing product energy consumption reduces, the product good pressure-resistant performance;
4, promptly produce through machinery control and promptly get, reduce quantity in stock greatly and improve product week transfer efficient, can satisfy is the requirement of lean production.
In order to understand the present invention more clearly, below accompanying drawings is set forth the specific embodiment of the present invention.
Description of drawings
Fig. 1 is a foldable structure sketch map of the present invention.
Fig. 2 is a cross-sectional structure sketch map of the present invention.
Fig. 3 is a forming process view of the present invention.
The specific embodiment
Like Fig. 1, shown in 2; Collapsible microchannel according to the invention porous flat pipe; It is one-body molded after the circuitous bending of several times is folding by a monomer thin plate 1 two ends, and its cross section is flat ellipse, includes several through circuitous be folded to form and the pore 2 space of bending.
Above-mentioned monomer thin plate 1 adopts aluminium platinum sheet material; It is divided into circuitous bending part 11 and bag embedding portion 12; Bag embedding portion 12 welding with monomer thin plate 1 fixedly constitute flat tube pore 2 through the folding back of bending by the circuitous bending part 11 of monomer thin plate 1, the upper and lower plane of the bending part 11 that makes a circulation respectively with airtight connection of the seamless soldering in plane of wrapping embedding portion 12.The space bar that circuitous bending part 11 forms between the flat tube pore 2 in order to strengthen the planar compression intensity of porous flat pipe, has also increased the heat transfer area between porous flat pipe and the cooling medium simultaneously.Preferably, the folding position of the bending of said flat tube is semi-circular shape or circular shape, and upper and lower surface is a smooth flat.The folding position of bending is designed to semi-circular shape or circular shape, can reduce windage, improves the radiating effect of microchannel porous flat pipe heat exchanger; Smooth flat provides a good solder side when assembling for the parallel flow heat exchanger core body, guarantee the flatness and the depth of parallelism of fin.
Further, the length L of said flat tube cross section is 16 ± 0.05mm, and width H is 1.8 ± 0.05mm; The length range of said flat tube pore A is 1.6mm～1.8mm, and the length range of pore B is 1.6mm～1.7mm, and the length range of pore C is 1.6mm～1.7mm.
As shown in Figure 3, the forming method of this collapsible microchannel porous flat pipe is as described below:
Shown in Fig. 3 a and 3b; The monomer thin plate is through mechanical bending mechanism; According to a, b, c ... N multiple spot moulding control advances in proper order; The circuitous respectively bending in monomer thin plate two ends; Wherein monomer thin plate two ends form circuitous bending part by the circuitous bending of " S " type, and the remaining straight portion of monomer thin plate is bag embedding portion;
Shown in Fig. 3 c and 3d, in the progradation, after circuitous bending part was spent vertical bending through twice 90, the airtight connection was close to the plane of bag embedding portion in its side, forms pore;
Shown in Fig. 3 e and 3f; Be right after above-mentioned steps; Circuitous bending part after the vertical bending is docked in midline position through the one time 180 folding back of degree flip horizontal again, be connected in the bonding station soldering is airtight, finally be integrally formed collapsible microchannel porous flat pipe through straightening, after proofreading and correct, tighten up and finalizing the design.
The present invention is not limited to above-mentioned embodiment; If various changes of the present invention or modification are not broken away from the spirit and scope of the present invention; If these are changed and modification belongs within claim of the present invention and the equivalent technologies scope, then the present invention also is intended to comprise these changes and modification.
Claims (10)
1. collapsible microchannel porous flat pipe; It is characterized in that: said flat tube is one-body molded after the circuitous bending of several times is folding by monomer thin plate two ends; Its cross section is flat ellipse, includes several through circuitous be folded to form and the pore space of bending.
2. according to the said collapsible microchannel of claim 1 porous flat pipe; It is characterized in that: said monomer thin plate adopts aluminium platinum sheet material; It is divided into circuitous bending part and bag embedding portion; Bag embedding portion welding with the monomer thin plate fixedly constitutes the flat tube pore through the folding back of bending by the circuitous bending part of monomer thin plate, the upper and lower plane of the bending part that makes a circulation respectively with airtight connection of the seamless soldering in plane of wrapping embedding portion.
3. according to claim 1 or 2 said collapsible microchannel porous flat pipes, it is characterized in that: the folding position of the bending of said flat tube is semi-circular shape or circular shape.
4. according to claim 1 or 2 said collapsible microchannel porous flat pipes, it is characterized in that: the upper and lower surface of said flat tube is a smooth flat.
5. according to claim 1 or 2 said collapsible microchannel porous flat pipes, it is characterized in that: the length of said flat tube cross section is 16 ± 0.05mm, and width is 1.8 ± 0.05mm; The length of said flat tube pore is 1.6mm～1.8mm.
6. the forming method of collapsible according to claim 1 microchannel porous flat pipe; It is characterized in that: said flat tube adopts a monomer thin plate one-body molded; The monomer thin plate advances through mechanical bending mechanism multiple spot moulding control in proper order; Earlier the circuitous respectively bending in monomer thin plate two ends; Then will make a circulation the part of bending after twice vertical bending; Folding and one-body molded through a flip horizontal again in the midline position butt joint of monomer thin plate, and then formation has the porous flat pipe of the pore of space.
7. according to the forming method of the said collapsible microchannel of claim 6 porous flat pipe; It is characterized in that: said monomer thin plate two ends form circuitous bending part by the circuitous bending of " S " type; The remaining straight portion of monomer thin plate is bag embedding portion, circuitous bending part through vertical bending and its upper and lower plane after flip horizontal folds respectively with airtight connection of the seamless soldering in plane of wrapping embedding portion.
8. according to the forming method of the said collapsible microchannel of claim 6 porous flat pipe, it is characterized in that: said monomer thin plate is connected in the bonding station soldering is airtight through straightening, after proofreading and correct, tighten up and finalizing the design after midline position butt joint.
9. according to the forming method of the said collapsible microchannel of claim 6 porous flat pipe, it is characterized in that: the folding position of the bending of said flat tube is semi-circular shape or circular shape, and the upper and lower surface of flat tube is a smooth flat.
10. according to the forming method of the said collapsible microchannel of claim 6 porous flat pipe, it is characterized in that: the length of said flat tube cross section is 16 ± 0.05mm, and width is 1.8 ± 0.05mm; The length of said flat tube pore is 1.6mm～1.8mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110252447 CN102353294A (en) | 2011-08-30 | 2011-08-30 | Folding-type microchannel porous flat pipe and molding method thereof |
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| CN 201110252447 CN102353294A (en) | 2011-08-30 | 2011-08-30 | Folding-type microchannel porous flat pipe and molding method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753162A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Roll bending forming device and forming method for ten-hole micro-channel flat tubes |
| CN104654877A (en) * | 2015-01-27 | 2015-05-27 | 奇瑞汽车股份有限公司 | Condenser flat pipe and condenser |
| CN104679243A (en) * | 2015-02-09 | 2015-06-03 | 马涛 | Three-dimensional entity display platform |
| CN106040776A (en) * | 2016-07-13 | 2016-10-26 | 上海爱斯达克汽车空调系统有限公司 | Manufacturing method for folding multi-channel flat tube |
| CN102967085B (en) * | 2012-11-25 | 2017-03-01 | 烟台德馨环保科技有限公司 | A kind of air-conditioning of utilization plate-type exchanger composition and heat pump |
| CN106767091A (en) * | 2016-12-27 | 2017-05-31 | 无锡逸龙铝热科技有限公司 | A kind of multi-channel special flat tube and its production method |
| CN106767093A (en) * | 2016-12-27 | 2017-05-31 | 无锡逸龙铝热科技有限公司 | A kind of straight forming tabletting type radiator flat tube |
| CN106767092A (en) * | 2017-01-09 | 2017-05-31 | 南宁市安和机械设备有限公司 | Porous Type B radiating tube |
| JP2017101916A (en) * | 2011-03-31 | 2017-06-08 | ヴァレオ システム テルミク | Heat exchange tube, corresponding heat exchanger and manufacturing method |
| CN107270760A (en) * | 2017-08-03 | 2017-10-20 | 常州凯微管业科技有限公司 | A kind of embedded channel heat exchanger folded tube and its processing method |
| WO2019062701A1 (en) * | 2017-09-30 | 2019-04-04 | 杭州三花微通道换热器有限公司 | Flat tube, forming method therefor, and heat exchanger |
| CN110035839A (en) * | 2016-12-06 | 2019-07-19 | 通用电气石油和天然气英国有限公司 | Fixed insertion piece |
| CN110595248A (en) * | 2018-12-29 | 2019-12-20 | 杭州三花微通道换热器有限公司 | Flat pipe, heat exchange pipe, heat exchanger and manufacturing method of heat exchange pipe |
| CN111623650A (en) * | 2019-02-27 | 2020-09-04 | 通用汽车环球科技运作有限责任公司 | Heat exchanger tube |
| CN111790776A (en) * | 2020-07-16 | 2020-10-20 | 龙泉市双振铝业有限公司 | Automatic processing equipment for porous micro-channel flat tube of heat exchanger |
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| CN1853082A (en) * | 2003-09-19 | 2006-10-25 | 贝洱两合公司 | Soldered heat exchanger network |
| CN201555486U (en) * | 2009-06-12 | 2010-08-18 | 上海德尔福汽车空调系统有限公司 | Micro-channel flat tube with novel technological structure |
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| CN1853082A (en) * | 2003-09-19 | 2006-10-25 | 贝洱两合公司 | Soldered heat exchanger network |
| CN201555486U (en) * | 2009-06-12 | 2010-08-18 | 上海德尔福汽车空调系统有限公司 | Micro-channel flat tube with novel technological structure |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017101916A (en) * | 2011-03-31 | 2017-06-08 | ヴァレオ システム テルミク | Heat exchange tube, corresponding heat exchanger and manufacturing method |
| CN102967085B (en) * | 2012-11-25 | 2017-03-01 | 烟台德馨环保科技有限公司 | A kind of air-conditioning of utilization plate-type exchanger composition and heat pump |
| CN103753162B (en) * | 2014-01-17 | 2016-05-04 | 上海交通大学 | The roll forming device of ten hole micro-channel flat and manufacturing process |
| CN103753162A (en) * | 2014-01-17 | 2014-04-30 | 上海交通大学 | Roll bending forming device and forming method for ten-hole micro-channel flat tubes |
| CN104654877A (en) * | 2015-01-27 | 2015-05-27 | 奇瑞汽车股份有限公司 | Condenser flat pipe and condenser |
| CN104679243A (en) * | 2015-02-09 | 2015-06-03 | 马涛 | Three-dimensional entity display platform |
| CN106040776A (en) * | 2016-07-13 | 2016-10-26 | 上海爱斯达克汽车空调系统有限公司 | Manufacturing method for folding multi-channel flat tube |
| WO2018010201A1 (en) * | 2016-07-13 | 2018-01-18 | 上海爱斯达克汽车空调系统有限公司 | Method for manufacturing folded multi-channel flat tube |
| US11085561B2 (en) | 2016-12-06 | 2021-08-10 | Baker Hughes Energy Technology UK Limited | Immobilised insert |
| CN110035839A (en) * | 2016-12-06 | 2019-07-19 | 通用电气石油和天然气英国有限公司 | Fixed insertion piece |
| CN110035839B (en) * | 2016-12-06 | 2021-12-14 | 贝克休斯能源科技英国有限公司 | Fixed insert |
| CN106767091A (en) * | 2016-12-27 | 2017-05-31 | 无锡逸龙铝热科技有限公司 | A kind of multi-channel special flat tube and its production method |
| CN106767093A (en) * | 2016-12-27 | 2017-05-31 | 无锡逸龙铝热科技有限公司 | A kind of straight forming tabletting type radiator flat tube |
| CN106767093B (en) * | 2016-12-27 | 2023-12-05 | 无锡逸龙铝热科技有限公司 | Direct forming tabletting type radiator flat tube |
| CN106767092A (en) * | 2017-01-09 | 2017-05-31 | 南宁市安和机械设备有限公司 | Porous Type B radiating tube |
| CN107270760A (en) * | 2017-08-03 | 2017-10-20 | 常州凯微管业科技有限公司 | A kind of embedded channel heat exchanger folded tube and its processing method |
| CN107270760B (en) * | 2017-08-03 | 2023-09-15 | 常州凯微管业科技有限公司 | Folding tube of embedded channel heat exchanger and processing method thereof |
| WO2019062701A1 (en) * | 2017-09-30 | 2019-04-04 | 杭州三花微通道换热器有限公司 | Flat tube, forming method therefor, and heat exchanger |
| CN110595248B (en) * | 2018-12-29 | 2021-04-13 | 杭州三花微通道换热器有限公司 | Flat pipe, heat exchange pipe, heat exchanger and manufacturing method of heat exchange pipe |
| CN110595248A (en) * | 2018-12-29 | 2019-12-20 | 杭州三花微通道换热器有限公司 | Flat pipe, heat exchange pipe, heat exchanger and manufacturing method of heat exchange pipe |
| CN111623650A (en) * | 2019-02-27 | 2020-09-04 | 通用汽车环球科技运作有限责任公司 | Heat exchanger tube |
| CN111790776A (en) * | 2020-07-16 | 2020-10-20 | 龙泉市双振铝业有限公司 | Automatic processing equipment for porous micro-channel flat tube of heat exchanger |
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Application publication date: 20120215 |