CN203758338U - Irregular-section internal groove tube - Google Patents
Irregular-section internal groove tube Download PDFInfo
- Publication number
- CN203758338U CN203758338U CN201420056621.7U CN201420056621U CN203758338U CN 203758338 U CN203758338 U CN 203758338U CN 201420056621 U CN201420056621 U CN 201420056621U CN 203758338 U CN203758338 U CN 203758338U
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- Prior art keywords
- fin
- section
- cross
- interior barrel
- irregular
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- Expired - Lifetime
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- 230000001788 irregular Effects 0.000 claims description 49
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model provides an irregular-section internal groove tube used for heat transfer. The internal groove tube comprises at least one first fin with first height and at least one second fin with second height, the first fins are disposed on the inner surface of the irregular-section internal groove tube, the second height is larger than the first height, the second fins are disposed on the inner surface of the irregular-section internal groove tube and spaced from first fins, and the first fins are parallel to the second fins. When the internal groove tube is flattened to be mounted in limited space, expected space can be kept by the aid of the fins with different heights, and heat transfer efficiency is increased remarkably as compared with that of an internal groove tube with fins with the same height.
Description
Technical field
The utility model relates to a kind of irregular interior barrel in cross section transmitting for heat, and more specifically, the utility model relates to the irregular interior barrel in a kind of cross section of using in electronic cooler.
Background technology
Heat-transfer pipe main evaporator tube or condenser tube of being used as in heat exchanger with the inner surface of trough of belt.Well-known, to be provided with groove and to replace at the inner surface of heat-transfer pipe fin.Groove and fin cooperatively interact, to strengthen the turbulent flow of the fluid heat transfer medium of carrying in pipe.This turbulent flow has strengthened heat transfer property.Groove and fin also provide extra surface area and capillary effect, to realize extra heat exchange.
In electronic cooler, some application need to be flattened interior barrel to be arranged in limited space.Yet after being crushed, this interior barrel cannot keep making heat transfer medium to flow to enough flow channels of condenser end from evaporator end, thereby cause heat transfer efficiency significantly to decline.
Utility model content
The purpose of this utility model is to provide a kind of cross section irregular interior barrel, and described interior barrel can be kept for enough flow channels that heat transfer medium flows is passed through when being crushed.
Particularly, the utility model provides a kind of irregular interior barrel in cross section for conducting heat, and described interior barrel comprises:
At least one first fin with the first height, described at least one first fin is arranged on the inner surface of the irregular interior barrel in described cross section; With
At least one second fin with the second height, described second is highly greater than described the first height, and described at least one second fin is arranged on the inner surface of the irregular interior barrel in described cross section and spaced apart with described at least one first fin,
Wherein, described at least one first fin is parallel to described at least one second fin.
When interior barrel is crushed to be arranged in limited space, can utilize highly different fins to keep the space of expectation, make to compare and can improve significantly heat transfer efficiency with the interior barrel with the fin of same height.
Preferably, described at least one first fin comprises at least one group of the first fin being spaced apart from each other.
Preferably, described at least one second fin comprises at least one group of the second fin being spaced apart from each other.
Preferably, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section.
In one embodiment, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section, and it is asymmetric making the cross section of the irregular interior barrel in described cross section.
In another embodiment, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section, and it is symmetrical making the cross section of the irregular interior barrel in described cross section.
Preferably, when the irregular interior barrel in described cross section is crushed, by described at least one second fin, form space, make heat transfer medium to cross the irregular interior barrel in described cross section by described spatial flow.
Preferably, the irregular inside groove in described cross section is effective in electronic cooler.
In one embodiment, described at least one first fin and described at least one second fin extend upward in the side that is parallel to the longitudinal axis of described interior barrel.
In another embodiment, described at least one first fin and described at least one second fin extend spirally around the longitudinal axis of described interior barrel.
Preferably, the external diameter of described interior barrel is between 3mm to 16mm, and the thickness of the wall of described interior barrel is between 0.10mm to 0.60mm, described the first height is between 0.01mm-0.15mm, the drift angle of described the first fin is between 0 °-50 °, and the quantity of described the first fin is between 1 to 150, and wherein, the distance between two adjacent the first fins is between 0.01mm to 0.20mm.
Preferably, the second height of described the second fin is between 0.10mm to 0.30mm, and the drift angle of described the second fin is between 0 °-50 °, and the quantity of described the second fin is between 5 to 100; And wherein, the distance between two adjacent the second fins is between 0.10mm to 0.50mm.
Should be understood that, general description above and detailed description hereinafter and explanation are only exemplary, and do not form any restriction of the present utility model.Protection domain of the present utility model is indicated in the appended claims.
Accompanying drawing explanation
Feature, advantage and technology and the industrial significance of describing with reference to the accompanying drawings hereinafter exemplary embodiment of the present utility model, in described accompanying drawing, identical Reference numeral represents identical element, and wherein:
Fig. 1 is according to the cutaway view of the irregular interior barrel in asymmetric cross section of an embodiment of the present utility model;
Fig. 2 is a part of zoomed-in view of the irregular interior barrel in asymmetric cross section shown in Fig. 1;
Fig. 3 is according to the cutaway view of the symmetrical irregular interior barrel in cross section of another embodiment of the present utility model; With
Fig. 4 is a part of zoomed-in view of the symmetrical irregular interior barrel in cross section shown in Fig. 3.
The specific embodiment
Fig. 1 is according to the cutaway view of the irregular interior barrel 1 in asymmetric cross section of the first embodiment of the present utility model, and Fig. 2 is a part of zoomed-in view of the irregular interior barrel in asymmetric cross section shown in Fig. 1.As shown in Figure 1, the irregular interior barrel 1 in asymmetric cross section comprises having the first height hf(referring to Fig. 2) a plurality of the first fins 10 and there is the second height H f(referring to Fig. 2) a plurality of the second fins 20, wherein the second height H f is greater than the first height hf.A plurality of the first fins 10 are arranged on the inner surface of interior barrel 1, and are spaced apart from each other, and make to form the first groove 11 between two adjacent the first fins 10.Similarly, a plurality of the second fins 20 are arranged on the inner surface of interior barrel 1, and are spaced apart from each other, and make to form the second groove 21 between two adjacent the second fins 20.The first fin 10 is parallel to the second fin 20.
As can see from Figure 1, because the height of the second fin 20 to the first fins 10 is high, so when interior barrel 1 is squeezed in figure the shape shown in dotted line, the second fin 20 will be in the interior maintenance of interior barrel 1 space, make heat transfer medium (for example steam) can pass through described spatial flow, that is, this space is formed at least one flow channel of heat transfer medium, to accelerate the circulation of heat transfer medium.Therefore, the interior barrel identical with fin height compared, and can significantly improve heat transfer efficiency, because the identical interior barrel of fin height cannot keep enough space/flow channels when being crushed.
Although Fig. 1 shows, be furnished with only one group of first fin 10 and one group of second fin 20 on the inner surface of interior barrel 1, the utility model is not limited to this structure.The irregular interior barrel 1 in asymmetric cross section can have two or more groups the first fin 10 and/or two or more groups the second fin 20.In addition the first fin 10 comprising in each group, and the quantity of the second fin 20 also can be organized different from other.
According to a preferred embodiment, the outer diameter D of the irregular interior barrel 1 in asymmetric cross section can be in the scope of 3mm-16mm, and the thickness Hw of wall 30, in the scope of 0.10mm-0.60mm, can be arranged in limited space interior barrel 1 when being crushed.
According to further preferred embodiment, the parameter of the second fin 20 and the second groove 21 limits as follows:
The second height H f:0.10mm-0.30mm of the second fin 20;
The width G f:0.10mm-0.50mm of the second groove 21;
The apex angle α 1:0 of the second fin 20 °-50 °;
The quantity of the second fin 20: 5-100.
According to the second fin 20 of above restriction and the parameter of the second groove 21, the parameter of the first fin 10 and the first groove 11 can limit as follows:
The first height hf:0.01mm-0.15mm of the first fin 10;
The width gf:0.01mm-0.20mm of the first groove 11;
The apex angle α 2:0 of the first fin 10 °-50 °;
The quantity of the first fin 10: 1-150.
Although the first all fins 10 has been shown in Fig. 1 and Fig. 2, have identical height and identical drift angle, and the second fin 20 also has identical height and identical drift angle, the utility model is not limited to this structure.Alternately, the height of the first fin 10 and/or drift angle can be different, and the height of the second fin 20 and/or drift angle can be different.This is also applicable to the first groove 11 and the second groove 21.
Fig. 3 is according to the cutaway view of the irregular interior barrel 1a in symmetrical cross section of another embodiment of the present utility model, and Fig. 4 is a part of zoomed-in view of the irregular interior barrel 1a in symmetrical cross section shown in Fig. 3.As shown in Figure 4, on the inner surface of the irregular interior barrel 1a in symmetrical cross section, be provided with two group of first fin 10 and two group of second fin 20.Structure shown in Fig. 3 contributes to the manufacture of interior barrel 1a, this be because such interior barrel by pipe drawing is made by mould, the symmetrical structure of the first fin 10 and the second fin 20 has produced symmetrical power on pipe and mould.
Similarly, the parameter of the first fin 10 and the second fin 20 and interior barrel 1a can be those parameters defined in above.In addition the first fin 10(and the second fin 20) parameter can differ from one another.
In two embodiment that describe hereinbefore, the first fin 10 and the second fin 20 can extend along the direction that is parallel to the longitudinal axis of interior barrel, or extend spirally around the described longitudinal axis of described interior barrel.
Embodiment disclosed herein is exemplary, and should not be construed to by any way restrictive.Scope of the present utility model is defined by the claims, and limit, and scope of the present utility model is intended to comprise the equivalent of scope of claim and all deformation programs within the scope of claim and can't help above-described embodiment.
Claims (12)
1. the irregular interior barrel in cross section for conducting heat, is characterized in that, described interior barrel comprises:
At least one first fin with the first height, described at least one first fin is arranged on the inner surface of the irregular interior barrel in described cross section; With
At least one second fin with the second height, described second is highly greater than described the first height, and described at least one second fin is arranged on the inner surface of the irregular interior barrel in described cross section and spaced apart with described at least one first fin,
Wherein, described at least one first fin is parallel to described at least one second fin.
2. the irregular interior barrel in cross section for conducting heat according to claim 1, wherein, described at least one first fin comprises at least one group of the first fin being spaced apart from each other.
3. the irregular interior barrel in cross section for conducting heat according to claim 2, wherein, described at least one second fin comprises at least one group of the second fin being spaced apart from each other.
4. the irregular interior barrel in cross section for conducting heat according to claim 3, wherein, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section.
5. the irregular interior barrel in cross section for conducting heat according to claim 4, wherein, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section, and it is asymmetric making the cross section of the irregular interior barrel in described cross section.
6. the irregular interior barrel in cross section for conducting heat according to claim 4, wherein, described at least one group of the first fin being spaced apart from each other and described at least one group of the second fin being spaced apart from each other are alternately arranged on the inner surface of the irregular interior barrel in described cross section, and it is symmetrical making the cross section of the irregular interior barrel in described cross section.
7. according to the irregular interior barrel in the cross section for conducting heat described in claim 5 or 6, wherein, when the irregular interior barrel in described cross section is crushed, by described at least one second fin, form space, make heat transfer medium to cross the irregular interior barrel in described cross section by described spatial flow.
8. according to the irregular interior barrel in the cross section for conducting heat described in any one in claim 1-6, wherein, the irregular inside groove in described cross section is effective in electronic cooler.
9. according to the irregular interior barrel in the cross section for conducting heat described in any one in claim 1-6, wherein, described at least one first fin and described at least one second fin extend upward in the side that is parallel to the longitudinal axis of described interior barrel.
10. according to the irregular interior barrel in the cross section for conducting heat described in any one in claim 1-6, wherein, described at least one first fin and described at least one second fin extend spirally around the longitudinal axis of described interior barrel.
The 11. irregular interior barrels in cross section for conducting heat according to claim 7, wherein, the external diameter of described interior barrel is between 3mm to 16mm, and the thickness of the wall of described interior barrel is between 0.10mm to 0.60mm,
Wherein, described the first height is between 0.01mm-0.15mm, and the drift angle of described the first fin is between 0 °-50 °, and the quantity of described the first fin is between 1 to 150; And
Wherein, the distance between two adjacent the first fins is between 0.01mm to 0.20mm.
The 12. irregular interior barrels in cross section for conducting heat according to claim 11, wherein, the second height of described the second fin is between 0.10mm to 0.30mm, and the drift angle of described the second fin is between 0 °-50 °, and the quantity of described the second fin is between 5 to 100; And
Wherein, the distance between two adjacent the second fins is between 0.10mm to 0.50mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056621.7U CN203758338U (en) | 2014-01-29 | 2014-01-29 | Irregular-section internal groove tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056621.7U CN203758338U (en) | 2014-01-29 | 2014-01-29 | Irregular-section internal groove tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758338U true CN203758338U (en) | 2014-08-06 |
Family
ID=51253597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056621.7U Expired - Lifetime CN203758338U (en) | 2014-01-29 | 2014-01-29 | Irregular-section internal groove tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203758338U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104654883A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Combined tooth type inner grooved copper tube |
| CN104654885A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Heat exchange copper pipe structure |
| CN104654884A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Internal threaded copper pipe structure |
| CN104807358A (en) * | 2014-01-29 | 2015-07-29 | 卢瓦塔埃斯波公司 | Inner groove tube with irregular cross section |
| WO2022267235A1 (en) * | 2021-06-25 | 2022-12-29 | 重庆美的制冷设备有限公司 | Copper pipe for heat exchanger, heat exchanger, and air conditioner |
-
2014
- 2014-01-29 CN CN201420056621.7U patent/CN203758338U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104807358A (en) * | 2014-01-29 | 2015-07-29 | 卢瓦塔埃斯波公司 | Inner groove tube with irregular cross section |
| CN104654883A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Combined tooth type inner grooved copper tube |
| CN104654885A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Heat exchange copper pipe structure |
| CN104654884A (en) * | 2014-12-30 | 2015-05-27 | 浙江耐乐铜业有限公司 | Internal threaded copper pipe structure |
| CN104654884B (en) * | 2014-12-30 | 2016-08-24 | 浙江耐乐铜业有限公司 | A kind of inner screw thread copper pipe structure |
| CN104654885B (en) * | 2014-12-30 | 2016-08-24 | 浙江耐乐铜业有限公司 | A kind of heat exchanging copper pipe structure |
| WO2022267235A1 (en) * | 2021-06-25 | 2022-12-29 | 重庆美的制冷设备有限公司 | Copper pipe for heat exchanger, heat exchanger, and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170329 Address after: No. 1, South Industrial Road, Ma Xin Industrial Zone, Huang Pu town, Zhongshan, Guangdong, China Patentee after: LUVATA ALLTOP (ZHONGSHAN) Ltd. Address before: Espoo, Finland Patentee before: Luvata Espoo OY |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |