CN202008311U - Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit - Google Patents
Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit Download PDFInfo
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- CN202008311U CN202008311U CN2011201133657U CN201120113365U CN202008311U CN 202008311 U CN202008311 U CN 202008311U CN 2011201133657 U CN2011201133657 U CN 2011201133657U CN 201120113365 U CN201120113365 U CN 201120113365U CN 202008311 U CN202008311 U CN 202008311U
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Abstract
The utility model discloses a fin of a finned tube type heat exchanger, which comprises a row of mounting holes used for assembling a heat exchange tube. The mounting holes are arranged on the fin along the length direction of the fin, the width of the fin ranges from 14.1mm to 19.1mm, the aperture of each mounting hole ranges from 5.15mm to 5.35mm, or ranges from 6.15mm to 6.35mm or ranges from 6.50mm to 6.70mm, and the pitch between each two adjacent mounting holes ranges from 18mm to 22mm. The fin increases integral heat exchange performance of the heat exchanger with a small pipe diameter, side pressure drop of the fin is reduced, so that the heat exchanger with a small pipe diameter can be applied onto an air-conditioner outdoor unit, and material cost is lowered. Simultaneously, the utility model further discloses a finned tube type heat exchanger provided with the fin and an air-conditioner outdoor unit provided with the fin.
Description
Technical field
The utility model relates to a kind of heat-exchange apparatus, especially a kind of fin of fin-tube heat exchanger, and the fin-tube heat exchanger with this fin, and a kind of air-conditioner outdoor unit with this fin.
Background technology
Improving the heat exchange efficiency of heat exchanger of air condition and reducing the heat exchanger cost is one of emphasis of current air conditioner industry research.Caliber miniaturization and thin-walled property are one of main paties that reduces the heat exchanger cost, heat exchanger copper pipe external diameter commonly used develops into 4～6mm from 9.52mm, 8.0mm, and therefore how making tubule footpath heat exchanger be applied to field of air conditioning widely and strengthen its comprehensive heat exchange property is the task of top priority.
The fin of the medium and small caliber heat exchanger of prior art as shown in Figure 1, there are the following problems for it: the pipe outside fin of existing tubule footpath heat exchanger is listed as apart from ubiquity phenomenon less than normal.For example: the pitch-row of existing Φ 5mm caliber fin mostly is 19.05mm or 20mm, and the row distance is 10～12mm, and the sheet type mostly is the sheet that cracks, and is mainly used in indoor evaporator.Though all be improved with the fin side coefficient of heat transfer in the heat exchanger pipe of this tubule footpath, because dominate fin side heat exchange area is less, so the whole heat exchange property of heat exchanger is not high.
And because the fin row distance of existing tubule footpath heat exchanger is less than normal, the height-limited pitch of fins that causes of small pipe diameter fin flange is less simultaneously, so the fin side coefficient of heat transfer height of existing tubule footpath heat exchanger has aggravated frosting speed thus; In addition, a pitch of fins is little and the many frosts that also cause easily of the number that cracks are stifled, uses so existing this tubule footpath heat exchanger also is not suitable as heat exchanger of air conditioner outdoor unit, and this makes the range of application of tubule footpath heat exchanger be subjected to certain limitation.
Summary of the invention
One of the purpose of this utility model is, the fin of the good fin-tube heat exchanger of a kind of comprehensive heat exchange property is provided.
Another purpose of the present utility model is, a kind of fin-tube heat exchanger with above-mentioned fin is provided, and it can be used on air-conditioner outdoor unit, with the range of application of the heat exchanger that enlarges little caliber.
The 3rd purpose of the present utility model is, a kind of air-conditioner outdoor unit with above-mentioned fin is provided, to reduce material cost.
The fin of a kind of fin-tube heat exchanger of the present utility model, comprise along the length direction of fin and be located at the installing hole that the row of one on the fin are used to assemble heat exchanger tube, the width of described fin is 14.1～19.1mm, the aperture of described installing hole is 5.15～5.35mm, 6.15～6.35mm or 6.50～6.70mm, and the pitch-row of adjacent two described installing holes is 18～22mm.
Preferably, the sheet type of described fin is corrugated plate or plain film; Perhaps offer 4 row bars seam at the most at its length direction of described fin upper edge.
The fin of another kind of fin-tube heat exchanger of the present utility model, comprise along the length direction of fin and be located at the installing hole that the row of at least two on the fin are used to assemble heat exchanger tube, row distance between the described installing hole of adjacent two row is 14.1～19.1mm, the aperture of described installing hole is 5.15～5.35mm, 6.15～6.35mm or 6.50～6.70mm, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
Preferably, the center of three installing holes adjacent one another are is the equilateral triangle arrangement in the described installing hole of adjacent two row.
Preferably, the sheet type of described fin is corrugated plate or plain film; Perhaps offer 4 row bars seam at the most at its length direction of described fin upper edge.
A kind of fin-tube heat exchanger of the present utility model, comprise many " U " shape heat exchanger tubes and multi-disc fin, be provided with the installing hole that row are used to assemble heat exchanger tube at this every its length direction of fin upper edge, this every fin through its installing hole abreast expanded joint on these many heat exchanger tubes, the width of every described fin is 14.1～19.1mm, caliber was 5.25～5.35mm, 6.25～6.40mm or 6.60～6.75mm after described heat exchanger tube expanded, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
Preferably, three described heat exchanger tubes adjacent one another are are the equilateral triangle arrangement.
Another kind of fin-tube heat exchanger of the present utility model, comprise many " U " shape heat exchanger tubes and multi-disc fin, be provided with the installing hole that at least two row are used to assemble heat exchanger tube at this every its length direction of fin upper edge, this every fin through its installing hole abreast expanded joint on these many heat exchanger tubes, row distance between the described installing hole of adjacent two row is 14.1～19.1mm, caliber was 5.25～5.35mm, 6.25～6.40mm or 6.60～6.75mm after described heat exchanger tube expanded, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
Preferably, three described heat exchanger tubes adjacent one another are are the equilateral triangle arrangement.
A kind of air-conditioner outdoor unit of the present utility model, it comprises above-mentioned fin-tube heat exchanger.
Compared with prior art, the utility model has the advantages that:
(1) heat exchanger of fin-tube heat exchanger of the present utility model and prior art carries out heat exchanger monomer and machine performance test, experimental result shows: fin-tube heat exchanger fin of the present utility model side pressure is fallen and has been reduced more than 31%, comprehensive heat exchange property in the condensing condition is close, and the comprehensive heat exchange property in the evaporation operating mode has improved 6%～10%; Frosting speed is slower, and frost layer is thin, the frosting cycle stretch-out more than 2 times, improved the heat exchange property of its low-temperature heating greatly, strengthen user's thermal comfort;
(2) fin-tube heat exchanger of the present utility model has slowed down frosting speed, has prolonged the cycle of frosting when heating, and helps defrosting water and discharges, and improves thermal comfort, makes tubule footpath heat exchanger can be applicable to heat exchanger of air conditioner outdoor unit, applied range;
(3) in the dual-row heat exchanger of the present utility model, center, adjacent three holes is equilateral triangle, makes that just slotting eyesight elbow and oblique cutting eyesight elbow are general, and the processing and the development cost of having saved mould make things convenient for workman's inserting eyesight elbow simultaneously, enhance productivity;
(4) fin-tube heat exchanger of the present utility model adopts the heat exchanger tube of little caliber, helps reducing the material cost of heat exchanger.
Description of drawings
Fig. 1 is the schematic diagram of small pipe diameter fin in the prior art;
Fig. 2 is the structural representation of the fin of the utility model embodiment 1;
Fig. 3 is the structural representation of the fin of the utility model embodiment 2;
Fig. 4 is the structural representation of the fin-tube heat exchanger of the utility model embodiment.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated:
Below among each embodiment, term " pitch-row " is meant the distance between the center of two installing holes; " row apart from " are meant the distance between the line of centres of two row installing holes.
Embodiment one
As shown in Figure 2, the sheet type of the fin 1 of present embodiment is a corrugated plate, and the width of fin is 16.5mm, offers 4 installing hole 1a at this its length direction of fin 1 upper edge, and the aperture D of installing hole is 5.15～5.35mm, and the pitch-row P of adjacent two installing hole 1a is 18mm.
As shown in Figure 4, structural representation for fin-tube heat exchanger with above-mentioned fin 1, fin-tube heat exchanger comprises many " U " shape heat exchanger tubes 2 and multi-disc fin 1, expanded joint is on these many heat exchanger tubes 2 abreast through its installing hole 1a for every fin 1, and caliber was 5.25～5.35mm after heat exchanger tube 2 expanded.
The fin-tube heat exchanger and the heat exchanger before the improvement of present embodiment are carried out heat exchanger monomer and machine performance test, experimental result shows: the sheet heat exchanger that cracks of the narrower row distance of the original relatively employing of heat exchanger of the present utility model, air wide pre. drop has reduced more than 31%, comprehensive heat exchange property in the condensing condition is close, and the comprehensive heat exchange property in the evaporation operating mode has improved 6%～10%; Frosting speed is slower, and frost layer is thin, the frosting cycle stretch-out more than 2 times, improved the heat exchange property of its low-temperature heating greatly, strengthen user's thermal comfort.Because the utility model heat exchanger has slowed down frosting speed, make tubule footpath heat exchanger on air-conditioner outdoor unit, to use.
Embodiment two
As shown in Figure 3, with embodiment one different being: the sheet type of the fin 1 of present embodiment is a plain film, be provided with two row installing hole 1a at this every its length direction of fin upper edge, the pitch-row P of three installing hole 1a adjacent one another are is identical among the adjacent two row installing hole 1a, that is to say that the center of these three installing hole 1a is the equilateral triangle arrangement.
Because the center of adjacent three installing hole 1a of heat exchanger is approximated to equilateral triangle, therefore connect double or to arrange the eyesight elbow and the oblique cutting eyesight elbow of heat exchanger general more, save mould development and processing cost, can not cause obscuring of workman, enhance productivity.
Embodiment three
Be with the different of embodiment one: the pitch-row P of fin 1 is 19.05mm, and row are 14.6mm apart from S.Experimental result shows: the condensing heat-exchange performance with respect to embodiment one has reduced about 3.4%, but its air wide pre. drop has also reduced about 9%.Needs according to the reality use, as the shell structure of complete machine, installation dimension demand, air quantity requirement etc., reasonably design the size of fin 1, but require heat exchanger tube 2 to expand the back external diameters when being 5.25mm～5.35mm, row are not less than 14.1mm apart from width, to satisfy the demand of heat pump mechanism thermojunction frost.
Embodiment four
With embodiment one different being: the aperture of the installing hole on the fin is 6.15～6.35mm, and the external diameter behind corresponding heat exchanger tube 2 expand tubes is 6.25mm～6.40mm, and the pitch-row P of fin 1 is 19.05mm, and row are 16.5mm apart from S.External diameter, row identical with pitch-row are apart from the seam sheet heat exchanger of 11.5mm after the relative expanding, and its comprehensive heat exchange property has improved 5.6%, and air wide pre. drop has reduced more than 30%, and the frosting cycle prolongs 30 minutes at least.
Embodiment five
Be with the different of embodiment one: the aperture of the installing hole on the fin is 6.50～6.70mm, and the external diameter behind corresponding heat exchanger tube 2 expand tubes is 6.60mm～6.75mm, and the pitch-row P of fin 1 is 21mm, and row are 18.19mm apart from S.External diameter, row identical with pitch-row are apart from the seam sheet heat exchanger of 13mm after the relative expanding, and its comprehensive heat exchange property has improved more than 6%, and air wide pre. drop reduces 30% at least, and the frosting cycle prolongs 30 minutes at least.
Embodiment six
On the basis of embodiment one to five, present embodiment offers 4 row bars seam at the most on the length of rippled fin, the bar seam can strengthen the perturbation of air-flow, improve the coefficient of heat transfer of fin, but the bar seam too much can shorten the frosting cycle, present embodiment shows when offering at the most 4 row bars seam on the fin by experiment, and steadily increasing and frosting cycle of the coefficient of heat transfer can not shorten.
The utility model also provides a kind of air-conditioner outdoor unit, and it has used as any fin-tube heat exchanger among the embodiment one to six.
Only be specific embodiment of the utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.For example, heat exchanger row number of the present utility model is not limit, and can be single, double or many rows.
Claims (10)
1. the fin of a fin-tube heat exchanger, comprise along the length direction of fin and be located at the installing hole that the row of one on the fin are used to assemble heat exchanger tube, it is characterized in that: the width of described fin is 14.1～19.1mm, the aperture of described installing hole is 5.15～5.35mm, 6.15～6.35mm or 6.50～6.70mm, and the pitch-row of adjacent two described installing holes is 18～22mm.
2. the fin of fin-tube heat exchanger according to claim 1, it is characterized in that: the sheet type of described fin is corrugated plate or plain film; Perhaps offer 4 row bars seam at the most at its length direction of described fin upper edge.
3. the fin of a fin-tube heat exchanger, comprise along the length direction of fin and be located at the installing hole that the row of at least two on the fin are used to assemble heat exchanger tube, it is characterized in that: the row distance between the described installing hole of adjacent two row is 14.1～19.1mm, the aperture of described installing hole is 5.15～5.35mm, 6.15～6.35mm or 6.50～6.70mm, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
4. the fin of fin-tube heat exchanger according to claim 3 is characterized in that: the centers of three installing holes adjacent one another are are equilateral triangle and arrange in the described installing hole of adjacent two row.
5. according to the fin of claim 3 or 4 described fin-tube heat exchangers, it is characterized in that: the sheet type of described fin is corrugated plate or plain film; Perhaps offer 4 row bars seam at the most at its length direction of described fin upper edge.
6. fin-tube heat exchanger, comprise many " U " shape heat exchanger tubes and multi-disc fin, be provided with the installing hole that row are used to assemble heat exchanger tube at this every its length direction of fin upper edge, this every fin through its installing hole abreast expanded joint on these many heat exchanger tubes, it is characterized in that: the width of every described fin is 14.1～19.1mm, caliber was 5.25～5.35mm, 6.25～6.40mm or 6.60～6.75mm after described heat exchanger tube expanded, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
7. fin-tube heat exchanger according to claim 6 is characterized in that: three described heat exchanger tubes adjacent one another are are equilateral triangle and arrange.
8. fin-tube heat exchanger, comprise many " U " shape heat exchanger tubes and multi-disc fin, be provided with the installing hole that at least two row are used to assemble heat exchanger tube at this every its length direction of fin upper edge, this every fin through its installing hole abreast expanded joint on these many heat exchanger tubes, it is characterized in that: the row distance between the described installing hole of adjacent two row is 14.1～19.1mm, caliber was 5.25～5.35mm, 6.25～6.40mm or 6.60～6.75mm after described heat exchanger tube expanded, and the pitch-row of adjacent two described installing holes of same row is 18～22mm.
9. fin-tube heat exchanger according to claim 8 is characterized in that: three described heat exchanger tubes adjacent one another are are equilateral triangle and arrange.
10. air-conditioner outdoor unit, it comprises as each described fin-tube heat exchanger of claim 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201133657U CN202008311U (en) | 2010-12-22 | 2011-04-18 | Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020674490.0 | 2010-12-22 | ||
| CN201020674490 | 2010-12-22 | ||
| CN2011201133657U CN202008311U (en) | 2010-12-22 | 2011-04-18 | Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202008311U true CN202008311U (en) | 2011-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201133657U Expired - Lifetime CN202008311U (en) | 2010-12-22 | 2011-04-18 | Finned tube type heat exchanger, fin thereof and air-conditioner outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202008311U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482568A (en) * | 2015-08-25 | 2017-03-08 | 丹佛斯微通道换热器（嘉兴）有限公司 | For the heat exchanger tube of heat exchanger, heat exchanger and its assembly method |
| CN106642642A (en) * | 2017-02-10 | 2017-05-10 | 珠海格力电器股份有限公司 | Finned tube type heat exchanger and air conditioner having same |
| CN108344322A (en) * | 2018-03-28 | 2018-07-31 | 长沙格力暖通制冷设备有限公司 | Finned heat exchanger and air conditioner |
| CN108562068A (en) * | 2018-06-26 | 2018-09-21 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN108826752A (en) * | 2018-06-26 | 2018-11-16 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN109028659A (en) * | 2018-06-26 | 2018-12-18 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN109140604A (en) * | 2018-08-27 | 2019-01-04 | 广东美的制冷设备有限公司 | Finned heat exchanger, air-conditioner outdoor unit and air conditioner |
-
2011
- 2011-04-18 CN CN2011201133657U patent/CN202008311U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106482568A (en) * | 2015-08-25 | 2017-03-08 | 丹佛斯微通道换热器（嘉兴）有限公司 | For the heat exchanger tube of heat exchanger, heat exchanger and its assembly method |
| CN106482568B (en) * | 2015-08-25 | 2019-03-12 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger tube, heat exchanger and its assembly method for heat exchanger |
| US10690420B2 (en) | 2015-08-25 | 2020-06-23 | Danfoss Micro Channel Heat Exchanger (Jiaxing) Co., Ltd. | Heat exchange tube for heat exchanger, heat exchanger and assembly method thereof |
| CN106642642A (en) * | 2017-02-10 | 2017-05-10 | 珠海格力电器股份有限公司 | Finned tube type heat exchanger and air conditioner having same |
| CN108344322A (en) * | 2018-03-28 | 2018-07-31 | 长沙格力暖通制冷设备有限公司 | Finned heat exchanger and air conditioner |
| CN108344322B (en) * | 2018-03-28 | 2023-12-15 | 长沙格力暖通制冷设备有限公司 | Fin heat exchanger and air conditioner |
| CN108562068A (en) * | 2018-06-26 | 2018-09-21 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN108826752A (en) * | 2018-06-26 | 2018-11-16 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN109028659A (en) * | 2018-06-26 | 2018-12-18 | 广东美的制冷设备有限公司 | New type heat exchanger, air conditioner indoor unit and air conditioner |
| CN109028659B (en) * | 2018-06-26 | 2024-05-28 | 广东美的制冷设备有限公司 | Novel heat exchanger, air conditioner indoor unit and air conditioner |
| CN109140604A (en) * | 2018-08-27 | 2019-01-04 | 广东美的制冷设备有限公司 | Finned heat exchanger, air-conditioner outdoor unit and air conditioner |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111012 |
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| CX01 | Expiry of patent term |