CN104713387B - Bending heat exchanger and bending method of heat exchanger - Google Patents
Bending heat exchanger and bending method of heat exchanger Download PDFInfo
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- CN104713387B CN104713387B CN201310681338.3A CN201310681338A CN104713387B CN 104713387 B CN104713387 B CN 104713387B CN 201310681338 A CN201310681338 A CN 201310681338A CN 104713387 B CN104713387 B CN 104713387B
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Abstract
The invention discloses a bending heat exchanger and a bending method of the heat exchanger. The bending heat exchanger comprises a first collecting pipe, a second collecting pipe, a plurality of fins and a plurality of flat pipes. Each flat pipe comprises a first portion, a second portion and a middle portion connected with the first portion and the second portion; and the first portions and the second portions are in contact with the fins respectively. Each middle portion comprises a first twisting portion, a second twisting portion and a straightness portion, wherein the first twisting portion is connected with the corresponding first portion, the second twisting portion is connected with the corresponding second portion, and the straightness portion is connected with the first twisting portion and the second twisting portion. The straightness portions of the flat pipes are sequentially overlapped partly and are sequentially and tightly attached together. Each straightness portion comprises an inner surface and an outer surface, and the inner surfaces and the outer surfaces of the straightness portions are flat on the flat. According to the arrangement, the bending precision can be ensured, and in addition, the flat bending portions can reduce the height of the bending heat exchanger; and under the condition of the same length of the flat pipes, the length of fin segments is increased, and therefore the heat exchange performance of the heat exchanger can be improved.
Description
Technical field
The present invention relates to the bending method of a kind of bent heat exchanger and heat exchanger, belong to air-conditioning field of heat exchangers.
Background technology
In recent decades, air conditioning for automobiles is developed rapidly, accounts for the second of air-conditioning machinery.Heat exchanger is as one of four key components of air conditioning for automobiles, it is also desirable to improve optimization design according to the requirement in terms of market.Because parallel-flow heat exchanger has the features such as refrigerating efficiency is high, volume is little, lightweight, it is possible to well meets the requirement in market, is the most gradually applied in automotive air-conditioning system.
Traditional micro-channel heat exchanger mainly includes micro-channel flat, radiating fin and header.It is provided with header at the two ends of micro-channel flat, is used for distributing and collecting cold-producing medium.Undulatory or with shutter shape radiating fin it is provided with, in order to strengthen the heat exchange efficiency of condenser and air side between adjacent micro-channel flat.
On July 2nd, 1996, United States Patent (USP) US 5,531,268 of bulletin disclosed a kind of bent heat exchanger, and it includes inlet header, outlet collection pipe, fin and flat tube.It is positioned at the described flat tube of same layer to be integrated bending and form, it includes being connected to the Part I of inlet header, being connected to the Part II of outlet collection pipe and be positioned at the dogleg section of middle distortion, first, second part of wherein said flat tube is all connected with fin, and described dogleg section is aptery fragment.From Fig. 2 of this patent it is apparent that the interior outside of dogleg section is all in arc-shaped.But, the precision that this design flat tube bending processes is the highest, easily causes the local deformation of heat exchanger, destroys the structure of neighbouring fin, reduces heat exchange efficiency.It addition, the flat tube bending of this mode, the size the most outwardly after being overlapped mutually of the dogleg section of arc-shaped can be relatively big, and the overall dimensions of heat exchanger cannot accurately control, and ultimately causes installation difficulty.Most importantly, reserved longer bending length is needed due to circular arc bending, it is well known that the part being connected with fin in flat tube possesses higher heat exchange property compared to aptery fragment.The flat tube of equal length, if aptery fragment is many, has fin section to tail off accordingly, thus can reduce the heat exchange property of heat exchanger.
Along with the development of technology, the heat exchange property of client's heat exchanger proposes the highest requirement, and the heat exchanger structure disclosed in above-mentioned patent is the most increasingly difficult in adapt to current needs.Therefore, it is necessary to structure and bending method thereof to existing bent heat exchanger are optimized.
Summary of the invention
It is an object of the invention to provide that a kind of size is easily controllable, the preferable bent heat exchanger of heat exchange property and the bending method of this bent heat exchanger.
nullFor achieving the above object，The present invention adopts the following technical scheme that a kind of bent heat exchanger，Including the first header、Second header、Some fins and connect described first、Some flat tubes of the second header，Described bent heat exchanger includes the first heat exchange unit and the second heat exchange unit，Described flat tube includes the Part I being positioned on described first heat exchange unit、It is positioned at the Part II on described second heat exchange unit、And connect described first、The mid portion of Part II，Described first、Part II respectively with described fin contacts，Described mid portion includes the first torsional part being connected with described Part I and the second torsional part being connected with described Part II，Described mid portion also includes connecting described first、The flat part of the second torsional part，The flat part of these flat tubes partly overlaps and successively successively closely against together，Described flat part includes inner surface and outer surface，The inner surface of these flat parts and outer surface are the most all flat.
As further improved technical scheme of the present invention, described first heat exchange unit and described second heat exchange unit are positioned at the same side of described mid portion, and described first heat exchange unit and described second heat exchange unit are that angle is arranged or is parallel to each other.
For achieving the above object, present invention also offers the bending method of a kind of heat exchanger, it comprises the steps:
S1: a kind of heat exchanger treating bending is provided, it includes the first heat exchange unit, the second heat exchange unit, flat tube and some fins, described flat tube includes the Part I being positioned on described first heat exchange unit, the Part II being positioned on described second heat exchange unit and connects the mid portion of described first, second part, described first, second part respectively with described fin contacts, described mid portion is positioned at vertical position；
S2: described mid portion is reversed to horizontal level；
S3: a kind of apparatus for bending is provided, clamps described mid portion；
S4: described first, second heat exchange unit is applied bending power, makes described first, second heat exchange unit carry out bending relative to described mid portion；
S5: the heat exchanger after bending is taken off from described apparatus for bending.
As further improved technical scheme of the present invention, in step S3, locating piece that described apparatus for bending includes positioning described heat exchanger and in order to push down the briquetting of described mid portion, described mid portion is held between described locating piece and described briquetting.
As further improved technical scheme of the present invention, described locating piece is strip, and it is provided with flat upper surface and is positioned at the corner angle of upper surface both sides, and described corner angle are right angle or the R angle with radian.
As further improved technical scheme of the present invention, in step s 4, during described first, second heat exchange unit is applied bending power, described mid portion is divided into the first torsional part being connected with described Part I, be connected with described Part II the second torsional part and the flat part fitting in described locating piece upper surface, the intersection of wherein said first torsional part and described flat part and described second torsional part are the most closely pressed on the corner angle of described locating piece to form folding line with the intersection of described flat part.
As further improved technical scheme of the present invention, in step s 5, described first, second heat exchange unit is outwards broken into two with one's hands a certain distance along described folding line, to take off on described apparatus for bending.
As further improved technical scheme of the present invention, described bending method the most also comprises the steps:
S6: inwardly extruded further along described folding line by described first, second heat exchange unit, to carry out shaping to described heat exchanger.
For achieving the above object, present invention also offers the bending method of a kind of heat exchanger, it comprises the steps:
S1: a kind of heat exchanger treating bending is provided, it includes the first heat exchange unit, the second heat exchange unit, flat tube and some fins, described flat tube includes the Part I being positioned on described first heat exchange unit, the Part II being positioned on described second heat exchange unit and connects the mid portion of described first, second part, described first, second part respectively with described fin contacts, described first, second part is positioned at vertical position, and described mid portion reverses to horizontal level；
S2: a kind of apparatus for bending is provided, clamps described mid portion；
S3: described first, second heat exchange unit is applied bending power, makes described first, second heat exchange unit carry out bending relative to described mid portion；
S4: the heat exchanger after bending is taken off from described apparatus for bending.
As further improved technical scheme of the present invention, in step S2, locating piece that described apparatus for bending includes positioning described heat exchanger and in order to push down the briquetting of described mid portion, described mid portion is held between described locating piece and described briquetting.
As further improved technical scheme of the present invention, described locating piece is strip, and it is provided with flat upper surface and is positioned at the corner angle of upper surface both sides, and described corner angle are right angle or the R angle with radian.
As further improved technical scheme of the present invention, in step s3, during described first, second heat exchange unit is applied bending power, described mid portion is divided into the first torsional part being connected with described Part I, be connected with described Part II the second torsional part and the flat part fitting in described locating piece upper surface, the intersection of wherein said first torsional part and described flat part and described second torsional part are the most closely pressed on the corner angle of described locating piece to form folding line with the intersection of described flat part.
As further improved technical scheme of the present invention, in step s 4, described first, second heat exchange unit is outwards broken into two with one's hands a certain distance along described folding line, to take off on described apparatus for bending；Described bending method the most also comprises the steps:
S5: inwardly extruded further along described folding line by described first, second heat exchange unit, to carry out shaping to described heat exchanger.
Compared with prior art, the flat part of flat tube is partly overlapped and successively closely against together by the present invention successively, and the inner surface of these flat parts and outer surface are the most all flat.It is arranged such, it is possible to ensure bending precision, make heat exchanger attractive in appearance.It addition, compared to the bending part of arc, flat bending part can reduce the height of bent heat exchanger, in the case of same flat tube length, increase the length having fin section such that it is able to promote the heat exchange property of heat exchanger.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view that the present invention treats the heat exchanger of bending in the first embodiment.
Fig. 2 uses the heat exchanger shown in holder Fig. 1, prepares to carry out this heat exchanger the schematic diagram of bending.
Fig. 3 is the schematic perspective view after the heat exchanger section ground bending shown in Fig. 1.
Fig. 4 is the schematic perspective view after the complete bending of the heat exchanger shown in Fig. 1.
Fig. 5 is the schematic side view of Fig. 4.
Fig. 6 is the schematic front view of Fig. 4.
Fig. 7 is the schematic diagram of each position that the heat exchanger in Fig. 1 arrives in Forging Process.
Fig. 8 is the schematic perspective view that the present invention treats the heat exchanger of bending in the second embodiment.
Detailed description of the invention
Please join shown in Fig. 1 to Fig. 6, present invention is disclosed a kind of bent heat exchanger 100, it includes first header the 1, second header 2, some fins 3, the some flat tubes 4 connecting described first, second header 1,2 and some side plates 5.Described bent heat exchanger 100 includes the first heat exchange unit 101 and the second heat exchange unit 102.Described flat tube 4 includes the Part I 41 being positioned on described first heat exchange unit 101, the Part II 42 being positioned on described second heat exchange unit 102 and connects the mid portion (bending part) 43 of described first, second part 41,42.Described first, second header 1,2 is respectively equipped with the flat tube socket (non-label) connected with described first, second part 41,42.Described first, second part 41,42 contacts (in illustrative embodiments of the present invention, described first, second part 41,42 is integrated with the soldering of described fin 3) respectively with described fin 3.Described mid portion 43 includes the first torsional part 431 being connected with described Part I 41, the second torsional part 432 being connected with described Part II 42 and the flat part 433 being connected described first, second torsional part 431,432.The flat part 433 of these flat tubes 4 partly overlaps and successively successively closely against together.Please join shown in Fig. 4 and Fig. 6, on the whole, described flat part 433 is perpendicular to first, second part 41,42 of described flat tube 4.Described flat part 433 includes inner surface 4331 and outer surface 4332, and the inner surface 4331 of these flat parts 433 and outer surface 4332 are the most all flat.It is arranged such, it is possible to ensure the attractive in appearance of bent heat exchanger 100, it is possible to reduce the height of bent heat exchanger 100, in the case of same flat tube length, increases the length having fin section, it is possible to promote the heat exchange property of heat exchanger.
Described first heat exchange unit 101 and described second heat exchange unit 102 are positioned at the same side (in the illustrated embodiment for downside) of described mid portion 43.Described first heat exchange unit 101 is parallel to each other with described second heat exchange unit 102.Certainly, in other embodiments, described first heat exchange unit 101 can also be arranged in angle with described second heat exchange unit 102.
Present invention further teaches the bending method of above-mentioned heat exchanger 100.Please join shown in Fig. 2 to Fig. 7, in first embodiment of the present invention, described bending method comprises the steps:
S1: providing the heat exchanger treating bending shown in Fig. 1, it includes first heat exchange unit the 101, second heat exchange unit 102, some flat tubes 4 and some fins 3.Described flat tube 4 includes the Part I 41 being positioned on described first heat exchange unit 101, the Part II 42 being positioned on described second heat exchange unit 102 and connects the mid portion 43 of described first, second part 41,42.Described first, second part 41,42 contacts with described fin 3 respectively, and described mid portion 43 is positioned at vertical position；
S2: please join shown in Fig. 2, it is provided that a kind of apparatus for bending 6, clamps described mid portion 43；
S3: please join shown in 3 to Fig. 7, applies bending power to described first, second heat exchange unit 101,102, makes described first, second heat exchange unit 101,102 carry out bending relative to described mid portion 43；And
S4: the heat exchanger after bending is taken off from described apparatus for bending 6.
Hereinafter above-mentioned each step is described in detail:
Please join shown in Fig. 1, after being completed, described flat tube 4 not yet reverses, bending, and each flat tube 4 is respectively positioned on vertical position and the most horizontally spaced layout of all of flat tube 4.It is equipped with some fins 3 between two adjacent flat tubes 4 and between flat tube 4 and side plate 5.The mid portion 43 of flat tube 4 is not connected with any fin 3, is referred to as aptery fragment.
In step s 2, described apparatus for bending 6 includes positioning described heat exchanger locating piece 61 and in order to push down the briquetting 62 of described mid portion 43.In illustrative embodiments of the present invention, in the vertical direction, described mid portion 43 is held between described locating piece 61 and described briquetting 62.
Shown in ginseng Fig. 2, described apparatus for bending 6 is additionally provided with the guide rail (not shown) of a slide anteroposterior, during described briquetting 62 compresses described mid portion 43 completely, described heat exchanger can be the most mobile under the cooperation of described guide rail, to carry out position adjustment.
Described locating piece 61 is in strip, and it is provided with flat upper surface 611 and is positioned at the corner angle 612 of upper surface 611 both sides, and described corner angle 612 are right angle or the R angle with radian.In illustrative embodiments of the present invention, described upper surface 611 is in being horizontally disposed with, and certainly, in other embodiments, this upper surface can also be in being vertically arranged.
Please join shown in Fig. 7, in step s3, during described first, second heat exchange unit 101,102 is applied bending power, described heat exchanger is from initial position A, through centre position B, eventually arrives at bending position C.Described mid portion 43 is divided into the first torsional part 431 being connected with described Part I 41, be connected with described Part II 42 the second torsional part 432 and the flat part 433 fitting in described locating piece 61 upper surface 611, wherein said first torsional part 431 and the intersection of described flat part 433 and described second torsional part 432 are the most closely pressed on the corner angle 612 of described locating piece 61 with the intersection of described flat part 433 to form folding line.
In step S4, described first, second heat exchange unit 101,102 is outwards broken into two with one's hands a certain distance along described folding line, to take off on described apparatus for bending 6.The most described heat exchanger returns to extracting position D from bending position C.Being arranged such, the angle between described first, second heat exchange unit 101,102 is bigger, it is possible to more easily taken off from described apparatus for bending 6 by described heat exchanger.
It addition, described bending method can also comprise the steps: after step s4
S5: described first, second heat exchange unit 101,102 is inwardly extruded further along described folding line, so that described heat exchanger is carried out shaping.It should be noted that the memory function possessed within the specific limits due to described folding line, through step S5, described heat exchanger can be re-adjusted to bending position C from extracting position D.
Please join shown in Fig. 8, present invention further teaches be suitable for another kind of structure treat bent heat exchanger 100 ', it is with the described difference treating bent heat exchanger 100, described in treat that the flat tube 4 of bent heat exchanger 100 ' have already been mades torsion in the pre-assembly.In the second embodiment of the bending method of present invention heat exchanger 100 ', described bending method comprises the steps:
S1: providing the heat exchanger 100 ' treating bending shown in Fig. 8, it includes first heat exchange unit the 101, second heat exchange unit 102, some flat tubes 4 and some fins 3.Described flat tube 4 includes the Part I 41 being positioned on described first heat exchange unit 101, the Part II 42 being positioned on described second heat exchange unit 102 and connects the mid portion 43 of described first, second part 41,42.Described first, second part 41,42 contacts with described fin 3 respectively, and described first, second part 41,42 is positioned at vertical position.Described mid portion 43 was just reversed to horizontal level before heat exchanger assembles.
S2: shown in Fig. 2, it is provided that same apparatus for bending 6, in the vertical direction clamps described mid portion 43；
S3: according to shown in Fig. 3 to Fig. 7, described first, second heat exchange unit 101,102 is applied bending power, makes described first, second heat exchange unit 101,102 carry out bending relative to described mid portion 43；And
S4: the heat exchanger after bending is taken off from described apparatus for bending 6.
Please join shown in Fig. 4, Fig. 5 and Fig. 6, compared to prior art, the flat part 433 of described flat tube 4 partly overlaps and successively successively closely against together, and the inner surface 4331 of these flat parts 433 and outer surface 4332 are the most all flat.It is arranged such, in Forging Process, with described briquetting 62, the mid portion 43 of described flat tube 4 is carried out spacing by described locating piece 61, improve the controllability of heat exchanger bending, also make bent heat exchanger 100,100 ' more aesthetically pleasing；It addition, the mid portion 43 of described flat tube 4 is carried out spacing by described locating piece 61 with described briquetting 62, it is possible to reduce the bending height H1 of mid portion 43；Most importantly, in the case of same flat tube length, by controlling the bending height H1 of mid portion 43, it is possible to the corresponding flat tube 4 that increases has the length of fin section, i.e. height flat tube 4 length corresponding to H2.It is appreciated that, fin 3 can strengthen the heat transfer effect of the fluid in heat exchanger and outside air, aptery fragment (i.e. mid portion 43) compared to flat tube 4, flat tube have the heat exchange property of fin section (i.e. Part I 41 and Part II 42) preferable, therefore, in illustrative embodiments of the present invention, there is the height H2 of fin section by the height H1 of the aptery fragment of reduction, increase such that it is able to effectively promote the heat exchange property of bent heat exchanger 100.
It should be understood that above example is merely to illustrate the present invention and and unrestricted technical scheme described in the invention.Although this specification with reference to the above embodiments to present invention has been detailed description, but, it will be understood by those within the art that, the present invention still can be modified or equivalent by person of ordinary skill in the field, and all are without departing from the technical scheme of the spirit and scope of the present invention and improvement thereof, all should contain in scope of the presently claimed invention.
Claims (13)
1. a bent heat exchanger, including the first header, the second header, some fins and connection
Some flat tubes of described first, second header, described bent heat exchanger include the first heat exchange unit and
Second heat exchange unit, described flat tube includes the Part I being positioned on described first heat exchange unit, is positioned at institute
State the Part II on the second heat exchange unit and connect the mid portion of described first, second part,
Described first, second part respectively with described fin contacts, described mid portion includes and described first
Split-phase the first torsional part even and the second torsional part being connected with described Part II, it is characterised in that:
Described mid portion also includes the flat part connecting described first, second torsional part, these flat tubes straight
Portion partly overlaps successively and successively closely against together, described flat part includes inner surface and outer surface,
The inner surface of these flat parts and outer surface are the most all flat.
2. bent heat exchanger as claimed in claim 1, it is characterised in that: described first heat exchange unit with
Described second heat exchange unit is positioned at the same side of described mid portion, described first heat exchange unit and described the
Two heat exchange units are that angle is arranged or is parallel to each other.
3. a bending method for heat exchanger, it comprises the steps:
S1: a kind of heat exchanger treating bending is provided, it include the first heat exchange unit, the second heat exchange unit,
Flat tube and some fins, described flat tube includes Part I, the position being positioned on described first heat exchange unit
Part II on described second heat exchange unit and connect the pars intermedia of described first, second part
Point, described first, second part respectively with described fin contacts, described mid portion is positioned at vertical position；
S2: described mid portion is reversed to horizontal level；
S3: a kind of apparatus for bending is provided, clamps described mid portion；
S4: described first, second heat exchange unit is applied bending power, makes described first, second heat exchange list
Unit carries out bending relative to described mid portion；
S5: the heat exchanger after bending is taken off from described apparatus for bending.
4. bending method as claimed in claim 3, it is characterised in that: in step S3, described bending
Locating piece that device includes positioning described heat exchanger and in order to push down the briquetting of described mid portion,
Described mid portion is held between described locating piece and described briquetting.
5. bending method as claimed in claim 4, it is characterised in that: described locating piece is strip,
It is provided with flat upper surface and is positioned at the corner angle of upper surface both sides, and described corner angle are right angle or with arc
The R angle of degree.
6. bending method as claimed in claim 5, it is characterised in that: in step s 4, to institute
Stating first, second heat exchange unit to apply during bending power, described mid portion is divided into and described the
A part be connected the first torsional part, the second torsional part being connected with described Part II and fit in
The flat part of described locating piece upper surface, the intersection of wherein said first torsional part and described flat part with
And the intersection of described second torsional part and described flat part is the most closely pressed on the corner angle of described locating piece
To form folding line.
7. bending method as claimed in claim 6, it is characterised in that: in step s 5, described the
One, the second heat exchange unit is outwards broken into two with one's hands a certain distance along described folding line, with from described apparatus for bending
On take off.
8. bending method as claimed in claim 7, it is characterised in that: described bending method is in step
Also comprise the steps: after S5
S6: inwardly extruded further along described folding line by described first, second heat exchange unit, with to institute
State heat exchanger and carry out shaping.
9. a bending method for heat exchanger, it comprises the steps:
S1: a kind of heat exchanger treating bending is provided, it include the first heat exchange unit, the second heat exchange unit,
Flat tube and some fins, described flat tube includes Part I, the position being positioned on described first heat exchange unit
Part II on described second heat exchange unit and connect the pars intermedia of described first, second part
Point, described first, second part respectively with described fin contacts, described first, second part is positioned at perpendicular
Straight position, described mid portion reverses to horizontal level；
S2: a kind of apparatus for bending is provided, clamps described mid portion；
S3: described first, second heat exchange unit is applied bending power, makes described first, second heat exchange list
Unit carries out bending relative to described mid portion；
S4: the heat exchanger after bending is taken off from described apparatus for bending.
10. bending method as claimed in claim 9, it is characterised in that: in step S2, described bending
Locating piece that device includes positioning described heat exchanger and in order to push down the briquetting of described mid portion,
Described mid portion is held between described locating piece and described briquetting.
11. bending methods as claimed in claim 10, it is characterised in that: described locating piece is strip,
It is provided with flat upper surface and is positioned at the corner angle of upper surface both sides, and described corner angle are right angle or with arc
The R angle of degree.
12. bending methods as claimed in claim 11, it is characterised in that: in step s3, right
During described first, second heat exchange unit applies bending power, described mid portion is divided into described
The first torsional part that Part I is connected, the second torsional part being connected with described Part II and laminating
Intersection in the flat part of described locating piece upper surface, wherein said first torsional part and described flat part
And the intersection of described second torsional part and described flat part is the most closely pressed on the corner angle of described locating piece
On to form folding line.
13. bending methods as claimed in claim 12, it is characterised in that: in step s 4, described
First, second heat exchange unit is outwards broken into two with one's hands a certain distance along described folding line, to fill from described bending
Put and take off；Described bending method the most also comprises the steps:
S5: inwardly extruded further along described folding line by described first, second heat exchange unit, with to institute
State heat exchanger and carry out shaping.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310681338.3A CN104713387B (en) | 2013-12-13 | 2013-12-13 | Bending heat exchanger and bending method of heat exchanger |
| US14/561,392 US10247482B2 (en) | 2013-12-13 | 2014-12-05 | Bent heat exchanger and method for bending the heat exchanger |
| EP14197077.2A EP2884209B1 (en) | 2013-12-13 | 2014-12-10 | Bent heat exchanger and method for bending the heat exchanger |
| PL14197077T PL2884209T3 (en) | 2013-12-13 | 2014-12-10 | Bent heat exchanger and method for bending the heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310681338.3A CN104713387B (en) | 2013-12-13 | 2013-12-13 | Bending heat exchanger and bending method of heat exchanger |
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| CN104713387A CN104713387A (en) | 2015-06-17 |
| CN104713387B true CN104713387B (en) | 2017-01-11 |
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| CN109269341A (en) * | 2017-07-17 | 2019-01-25 | 浙江盾安热工科技有限公司 | Heat exchanger |
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| CN105202816B (en) * | 2014-06-16 | 2017-08-22 | 杭州三花研究院有限公司 | Bent heat exchanger |
| CN107560484B (en) * | 2016-06-30 | 2020-05-19 | 浙江盾安热工科技有限公司 | Connecting piece and microchannel heat exchanger |
| CN109454133B (en) * | 2017-09-06 | 2021-06-11 | 丹佛斯微通道换热器（嘉兴）有限公司 | Method for bending heat exchanger, heat exchange tube spacing mechanism and system |
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| CN110153319B (en) * | 2019-06-05 | 2021-02-26 | 珠海格力智能装备有限公司 | Control method and device for bending of predetermined equipment, storage medium and processor |
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| EP4206598A4 (en) * | 2020-08-31 | 2024-04-10 | Sanhua Hangzhou Micro Channel Heat Exchanger Co Ltd | Heat exchanger and processing method therefor |
| EP4349524A1 (en) * | 2021-06-04 | 2024-04-10 | Sanhua (Hangzhou) Micro Channel Heat Exchanger Co. Ltd | Heat exchanger processing method and apparatus |
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| CN103196259A (en) * | 2013-03-20 | 2013-07-10 | 杭州三花微通道换热器有限公司 | Bending type heat exchanger |
| CN203286911U (en) * | 2013-05-20 | 2013-11-13 | 杭州三花微通道换热器有限公司 | Heat exchanger |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269341A (en) * | 2017-07-17 | 2019-01-25 | 浙江盾安热工科技有限公司 | Heat exchanger |
| CN109269341B (en) * | 2017-07-17 | 2021-09-28 | 浙江盾安热工科技有限公司 | Heat exchanger |
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| CN104713387A (en) | 2015-06-17 |
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