CN203274572U - Flat pipe suitable for bending and heat exchanger provided with same - Google Patents
Flat pipe suitable for bending and heat exchanger provided with same Download PDFInfo
- Publication number
- CN203274572U CN203274572U CN 201320110621 CN201320110621U CN203274572U CN 203274572 U CN203274572 U CN 203274572U CN 201320110621 CN201320110621 CN 201320110621 CN 201320110621 U CN201320110621 U CN 201320110621U CN 203274572 U CN203274572 U CN 203274572U
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- flat tube
- bending
- heat exchanger
- tube body
- outside
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Abstract
The utility model discloses a flat pipe suitable for bending and a heat exchanger provided with the same. The flat pipe comprises a flat pipe body, wherein a plurality of heat exchanging channels are arranged in the flat pipe body and extend longitudinally along the flat pipe body; a plurality of separation ribs are arranged for spacing the heat exchanging channels in the horizontal direction of the flat pipe body; the flat pipe body is provided with a bending inner side and a bending outer side which extend along the longitudinal direction; the thickness of the flat pipe body is gradually decreased in the horizontal direction from the bending inner side to the bending outer side. After the flat pipe provided by the embodiment of the utility model is bent, the flat pipe has the advantages that the heat exchange performance is good, the structural intensity is high and the like.
Description
Technical field
The utility model relates to a kind of heat exchanger that is suitable for the flat tube of bending and has this flat tube.
Background technology
Parallel-flow heat exchanger is widely used at refrigerating field.Parallel-flow heat exchanger mainly comprises header, flat tube, fin.Wherein header is used for the heat transferring medium guiding is flowed into each flat tube, and flat tube is mainly used in circulation and the heat exchange of heat transferring medium, and fin is connected with flat tube by welding, realizes the heat exchange function of the heat transferring medium in flat tube by gas flow.Therefore, the structure of flat tube all has a great impact for function and the efficient of whole heat exchanger.
In some application scenarios, due to spatial constraints, in order to utilize fully blower fan, be beneficial to circulation of air, heat exchanger is often wanted to use after bending.But flat tube is through after bending, and the tubing of bending inboard produces extruding, and corrugated distortion will appear in the flat tube inboard, and the outside produces and stretches, the tube wall attenuation, and the compressive resistance of flat tube reduces, thereby causes the heat exchanger dependability to reduce.
The utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.For this reason, a purpose of the present utility model be to propose a kind of be suitable for after bending and bending intensity good, be difficult for producing the flat tube of distortion.
Another purpose of the present utility model is to propose a kind of heat exchanger with above-mentioned flat tube.
For achieving the above object, first aspect of the present utility model proposes a kind of flat tube that is suitable for bending, described flat tube comprises: the flat tube body, have a plurality of heat exchanger channels in described flat tube body, described a plurality of heat exchanger channels is along the longitudinal extension of described flat tube body, described a plurality of heat exchanger channels is laterally spaced apart by a plurality of muscles along described flat tube body, described flat tube body has inboard along the bending of described longitudinal extension and the bending outside, the thickness of described flat tube body described transversely along reducing gradually to the direction outside described bending from described bending inboard.
Thickness according to flat tube of the present utility model by making described flat tube body transversely reduces along the direction from described bending inboard to the described bending outside gradually described, thus the bending inboard that can make described flat tube after described flat tube bending be squeezed the bending outside that distortion and described flat tube appear in Shi Buhui stretched after compressive resistance can not reduce.Therefore, have the advantages such as heat exchange property is good, structural strength is large according to flat tube of the present utility model after bending.
In addition, the flat tube that be suitable for bending above-mentioned according to the utility model can also have following additional technical characterictic:
The maximum ga(u)ge H1 of described flat tube body and the ratio H1/H2 of minimum thickness H2 are in the scope of 1.0-1.1.Thus after described flat tube bending, can further avoid the compressive resistance in the bending of the described flat tube inboard bending outside that distortion and described flat tube occur to reduce.
The sidewall width of the bending inboard of described flat tube body is less than the sidewall width in the bending outside of described flat tube body.Thus after described flat tube bending, can further avoid the compressive resistance in the bending of the described flat tube inboard bending outside that distortion and described flat tube occur to reduce, and can prevent that described flat tube from sustaining damage in the installation and transportation process, and can make described flat tube in use can stand the shock of the sandstone that brings because of circulation of air.
The ratio N2/N1 of the sidewall width N1 of the bending inboard of the sidewall width N2 in the bending of the described flat tube body outside and described flat tube body is in the scope of 1.0-1.1.。Thus after described flat tube bending, can further avoid the compressive resistance in the bending of the described flat tube inboard bending outside that distortion and described flat tube occur to reduce, and can prevent further that described flat tube from sustaining damage in the installation and transportation process, and can make described flat tube in use can stand better the shock of the sandstone that brings because of circulation of air.
In adjacent two described muscles, a muscle in the contiguous described bending outside described thickness transversely greater than away from another muscle in the described bending outside at described thickness transversely.In the situation that do not affect the heat exchange property of described flat tube inside, can improve reliability and the buckling performance of described flat tube thus.
The ratio of the thickness W2 of a described muscle and the thickness W1 of described another muscle is in the scope of 1.0-1.2.In the situation that do not affect the heat exchange property of described flat tube inside, can further improve reliability and the buckling performance of described flat tube thus.
The sidewall in the sidewall of the bending inboard of described flat tube body and the bending outside is arc.Can make thus the structure of described flat tube more reasonable.
The cross section of each described heat exchanger channels is trapezoidal.Can make thus the structure of described flat tube more reasonable.
Propose a kind of heat exchanger according to second aspect of the present utility model, described heat exchanger comprises: the first and second headers; A plurality of flat tubes, described flat tube is the flat tube that is suitable for bending described according to first aspect of the present utility model, the two ends of described flat tube are connected with described the first and second headers respectively; And fin, described fin is located at respectively between adjacent described flat tube.
According to heat exchanger of the present utility model by the flat tube that be suitable for bending described according to first aspect of the present utility model is set, thereby have the advantages such as heat exchange property is good, structural strength is large, and can stand the shock of the sandstone that brings because of circulation of air in running.
Described heat exchanger is micro-channel heat exchanger.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is the structural representation of flat tube before bending according to embodiment of the present utility model;
Fig. 2 is the end-view according to the flat tube of embodiment of the present utility model;
Fig. 3 is according to the structural representation after the flat tube bending of embodiment of the present utility model;
Fig. 4 is according to the structural representation after the flat tube bending of another embodiment of the present utility model;
Fig. 5 is the structural representation according to the heat exchanger of the utility model embodiment.
The specific embodiment
The below describes embodiment of the present utility model in detail, and the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explanation the utility model, and can not be interpreted as restriction of the present utility model.
in description of the present utility model, it will be appreciated that, term " " center ", " vertically ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is separately arranged.
In the utility model, unless clear and definite regulation and restriction are separately arranged, broad understanding should be done in the terms such as term " installation ", " being connected ", " connection ", " fixing ", for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be also to be electrically connected to; Can be directly to be connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless clear and definite regulation and restriction are separately arranged, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, can comprise that also the first and second features are not directly contacts but by the other feature contact between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that the First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that the First Characteristic level height is less than Second Characteristic.
The application is that the utility model people makes following problem and true understanding.Flat tube is after bending, and the tubing of bending section inboard can produce extruding, and stretching can appear in the tubing in the bending section outside.The extruding degree of bending section inboard is dwindled from inside to outside gradually, and the level of stretch ecto-entad outside bending section dwindles gradually.In theory, only in the center near bending section, compression and tension just can be close to zero.
Particularly, when radius bend was too small, tubing was expressed to a certain degree, and corrugated distortion will appear in the flat tube inboard, thereby increased the air side flow resistance of heat exchanger, was unfavorable for heat exchange.When radius bend is excessive, drawing pipe, the tube wall attenuation, the compressive resistance of flat tube reduces, thereby causes the reliability that heat exchanger uses to reduce.Equally, for each muscle of flat tube inside, near the meeting appearance stretching to a certain degree in the bending outside, near the meeting appearance extruding to a certain degree of bending inboard.
Below with reference to the flat tube that be suitable for bending 10 of Fig. 1-Fig. 4 description according to the utility model embodiment.As Figure 1-Figure 4, comprise flat tube body 100 according to the flat tube that is suitable for bending 10 of the utility model embodiment,
Have a plurality of heat exchanger channels 110 in flat tube body 100, a plurality of heat exchanger channels 110 are along the longitudinal extension (being that each heat exchanger channels 110 is along the longitudinal extension of flat tube body 100) of flat tube body 100, a plurality of heat exchanger channels 110 are laterally spaced apart by a plurality of muscles 140 along flat tube body 100, flat tube body 100 has along the bending of described longitudinal extension inboard 120 and the bending outside 130, the thickness of flat tube body 100 described transversely along 130 direction reduces gradually from bending inboard 120 to the bending outside.
Wherein, flat tube body 100 vertically as shown in the arrow A in Fig. 1 and Fig. 5, flat tube body 100 laterally as shown in the arrow B in Fig. 1-Fig. 4.The thickness of flat tube body 100 can be the height of flat tube body 100 on above-below direction, and above-below direction is as shown in the arrow C in Fig. 2 and Fig. 5.
Thickness according to the flat tube 10 of the utility model embodiment by making flat tube body 100 described transversely along 130 direction reduces gradually from bending inboard 120 to the bending outside, thereby the bending inboard 120 that can make flat tube 10 after flat tube 10 bendings be squeezed the bending outside 130 that distortion and flat tube 10 appear in Shi Buhui stretched after compressive resistance can not reduce.Therefore, the flat tube 10 according to the utility model embodiment has the advantages such as heat exchange property is good, structural strength is large after bending.
As shown in Figure 2, in embodiment more of the present utility model, the maximum ga(u)ge H1 of flat tube body 100 and the ratio H1/H2 of minimum thickness H2 can greater than 1.0 and less than or equal to 1.1 scope in.Thus after flat tube 10 bendings, can further avoid the bending inboard 120 of flat tube 10 to occur because of being squeezed being out of shape and can further avoid outside the bending of flat tube 10 130 compressive resistance to reduce because being subject to stretching.
In an embodiment of the present utility model, as shown in Figure 3, the sidewall width of the bending inboard 120 of flat tube body 100 can be less than the sidewall width in the bending outside 130 of flat tube body 100.That is to say, outside the bending of flat tube body 100,130 can have the thickness surplus of protecting flat tube 10 serviceabilities.Thus after flat tube 10 bendings, not only can further avoid the bending inboard 120 of flat tube 10 to occur because of being squeezed being out of shape and can further avoid outside the bending of flat tube 10 130 compressive resistance to reduce because being subject to stretching, and can prevent that flat tube 10 from sustaining damage in the installation and transportation process, and can make flat tube 10 in use (namely in heat exchanger 1 running) can stand the shock of the sandstone that brings because of circulation of air.
Advantageously, the ratio N2/N1 of the sidewall width N1 of the bending inboard 120 of the sidewall width N2 in the bending of flat tube body 100 outside 130 and flat tube body 100 can greater than 1.0 and less than or equal to 1.1 scope in.Thus after flat tube 10 bendings, not only can further avoid the bending inboard 120 of flat tube 10 to occur because of being squeezed being out of shape and can further avoid outside the bending of flat tube 10 130 compressive resistance to reduce because being subject to stretching, and can prevent further that flat tube 10 from sustaining damage in the installation and transportation process, and can make flat tube 10 in use (namely in heat exchanger 1 running) can stand better the shock of the sandstone that brings because of circulation of air.
As shown in Figure 4, in examples more of the present utility model, in adjacent two muscles 140, a muscle 140 in the contiguous bending outside 130 described thickness transversely greater than away from another muscle 140 in the bending outside 130 at described thickness transversely.In the situation that do not affect the heat exchange property of flat tube 10 inside, can improve reliability and the buckling performance of flat tube 10 thus.
In an example of the present utility model, the ratio of the thickness W2 of a muscle 140 and the thickness W1 of another muscle 140 can greater than 1.0 and less than or equal to 1.2 scope in.That is to say, in adjacent two muscles 140, a muscle 140 in the contiguous bending outside 130 described thickness W2 transversely with away from another muscle 140 in the bending outside 130 the ratio of described thickness W1 transversely can greater than 1.0 and less than or equal to 1.2 scope in.In the situation that do not affect the heat exchange property of flat tube 10 inside, can further improve reliability and the buckling performance of flat tube 10 thus.
Particularly, the sidewall in the bending outside 130 of the sidewall of the bending inboard 120 of flat tube body 100 and flat tube body 100 can be arc.Can make thus the structure of flat tube 10 more reasonable.
The cross section of each heat exchanger channels 110 can be trapezoidal.Can make thus the structure of flat tube 10 more reasonable.
The utility model also provides a kind of heat exchanger 1.As shown in Figure 5, the heat exchanger 1 according to the utility model embodiment comprises the first header 20, the second header 30, fin (not shown) and a plurality of flat tube.
Each described flat tube is the flat tube that is suitable for bending 10 according to above-described embodiment, and the two ends of flat tube 10 are connected with the second header 30 with the first header 20 respectively.In other words, an end of flat tube 10 is connected with the first header 20, and the other end of flat tube 10 is connected with the second header 30.Described fin is located at respectively between adjacent flat tube 10.
According to the heat exchanger 1 of the utility model embodiment by the flat tube that is suitable for bending 10 according to above-described embodiment is set, thereby have the advantages such as heat exchange property is good, structural strength is large, and can stand the shock of the sandstone that brings because of circulation of air in running.
Particularly, heat exchanger 1 can be micro-channel heat exchanger.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the characteristics of this embodiment or example description.In this manual, the schematic statement of above-mentioned term not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or characteristics can be with suitable mode combinations in any one or more embodiment or example.
Although the above has illustrated and has described embodiment of the present utility model, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art is not in the situation that break away from principle of the present utility model and aim can change above-described embodiment, modification, replacement and modification in scope of the present utility model.
Claims (10)
1. flat tube that is suitable for bending, it is characterized in that, comprise: the flat tube body, have a plurality of heat exchanger channels in described flat tube body, described a plurality of heat exchanger channels is along the longitudinal extension of described flat tube body, described a plurality of heat exchanger channels is laterally spaced apart by a plurality of muscles along described flat tube body, and described flat tube body has inboard along the bending of described longitudinal extension and the bending outside, the thickness of described flat tube body described transversely along reducing gradually to the direction outside described bending from described bending inboard.
2. the flat tube that is suitable for bending according to claim 1, is characterized in that, the maximum ga(u)ge H1 of described flat tube body and the ratio H1/H2 of minimum thickness H2 are in the scope of 1.0-1.1.
3. the flat tube that is suitable for bending according to claim 1, is characterized in that, the sidewall width of the bending inboard of described flat tube body is less than the sidewall width in the bending outside of described flat tube body.
4. the flat tube that is suitable for bending according to claim 3, is characterized in that, the ratio N2/N1 of the sidewall width N1 of the bending inboard of the sidewall width N2 in the bending of the described flat tube body outside and described flat tube body is in the scope of 1.0-1.1.
5. the flat tube that is suitable for bending according to claim 1, it is characterized in that, in adjacent two described muscles, a muscle in the contiguous described bending outside described thickness transversely greater than away from another muscle in the described bending outside at described thickness transversely.
6. the flat tube that is suitable for bending according to claim 5, is characterized in that, the ratio of the thickness W2 of a described muscle and the thickness W1 of described another muscle is in the scope of 1.0-1.2.
7. the flat tube that is suitable for bending according to claim 1, is characterized in that, the sidewall in the sidewall of the bending inboard of described flat tube body and the bending outside is arc.
8. the flat tube that is suitable for bending according to claim 1, is characterized in that, the cross section of each described heat exchanger channels is trapezoidal.
9. a heat exchanger, is characterized in that, comprising:
The first and second headers;
A plurality of flat tubes, described flat tube is the described flat tube that is suitable for bending of any one according to claim 1-8, the two ends of described flat tube are connected with described the first and second headers respectively; With
Fin, described fin are located at respectively between adjacent described flat tube.
10. heat exchanger according to claim 9, is characterized in that, described heat exchanger is micro-channel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110621 CN203274572U (en) | 2013-03-11 | 2013-03-11 | Flat pipe suitable for bending and heat exchanger provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320110621 CN203274572U (en) | 2013-03-11 | 2013-03-11 | Flat pipe suitable for bending and heat exchanger provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203274572U true CN203274572U (en) | 2013-11-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320110621 Expired - Lifetime CN203274572U (en) | 2013-03-11 | 2013-03-11 | Flat pipe suitable for bending and heat exchanger provided with same |
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| Country | Link |
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| CN (1) | CN203274572U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016205744A (en) * | 2015-04-27 | 2016-12-08 | ダイキン工業株式会社 | Heat exchanger and air conditioner |
| CN106288912A (en) * | 2016-08-03 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of micro-channel heat exchanger and air-conditioner |
| JP2020020574A (en) * | 2019-11-06 | 2020-02-06 | ダイキン工業株式会社 | Heat exchanger |
| CN113513935A (en) * | 2020-09-29 | 2021-10-19 | 中山大学 | Phase-change cold-storage heat exchanger |
-
2013
- 2013-03-11 CN CN 201320110621 patent/CN203274572U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016205744A (en) * | 2015-04-27 | 2016-12-08 | ダイキン工業株式会社 | Heat exchanger and air conditioner |
| CN106288912A (en) * | 2016-08-03 | 2017-01-04 | 海信（山东）空调有限公司 | A kind of micro-channel heat exchanger and air-conditioner |
| JP2020020574A (en) * | 2019-11-06 | 2020-02-06 | ダイキン工業株式会社 | Heat exchanger |
| CN113513935A (en) * | 2020-09-29 | 2021-10-19 | 中山大学 | Phase-change cold-storage heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Assignor: SANHUA HOLDING GROUP Co.,Ltd. Contract record no.: 2015990000010 Denomination of utility model: Flat pipe suitable for bending and heat exchanger provided with same Granted publication date: 20131106 License type: Common License Record date: 20150106 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| ASS | Succession or assignment of patent right |
Owner name: HANGZHOU SANHUA MICRO CHANNEL HEAT EXCHANGER CO., Free format text: FORMER OWNER: SANHUA HOLDING GROUP CO., LTD. Effective date: 20150311 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 312500 SHAOXING, ZHEJIANG PROVINCE TO: 310018 HANGZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150311 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 12 Avenue, No. 289, No. Patentee after: SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER Co.,Ltd. Patentee after: DANFOSS A/S Address before: 312500 Shaoxing City, Zhejiang province Xinchang Qixing street under the Liquan Patentee before: SANHUA HOLDING GROUP Co.,Ltd. Patentee before: DANFOSS A/S |
|
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |
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| CX01 | Expiry of patent term |