CN2638011Y - Internal screw flat pipe for heat exchanger - Google Patents
Internal screw flat pipe for heat exchanger Download PDFInfo
- Publication number
- CN2638011Y CN2638011Y CN 03284020 CN03284020U CN2638011Y CN 2638011 Y CN2638011 Y CN 2638011Y CN 03284020 CN03284020 CN 03284020 CN 03284020 U CN03284020 U CN 03284020U CN 2638011 Y CN2638011 Y CN 2638011Y
- Authority
- CN
- China
- Prior art keywords
- tooth
- utility
- model
- flat tube
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The utility model discloses an internal screw flat tube used for heat exchanging, comprising a tube body. The utility model is characterized in that the internal surface of the tube is provided with a plurality of spiral teeth with sections of triangle and the top of a spiral tooth is an arc. The helix lead angle of the spiral tooth ranges from 4 to 30 degrees and the tooth-top angle ranges form 15 to 85 degrees, while the radius of the arc of the tooth top and tooth bottom angle is 0.03 mm to 0.05 mm. Compared with the prior art, the utility model has larger heat exchanging area and higher radiating efficiency because of a plurality of spiral teeth arranged at the internal surface of the flat tube.
Description
Technical field:
The utility model relates to a kind of heat dissipation element, particularly a kind of heat exchange internal thread flat tube.
Background technology:
In the radiator of machines such as existing automobile, tractor, tank, what still adopt is that inner surface is a light face copper flat tube, and this light face flat tube area of dissipation is little, and medium easily produces laminar flow, thereby at the bottom of its heat exchange efficiency.
Summary of the invention:
The utility model technical issues that need to address are to propose a kind of area of dissipation heat exchange internal thread flat tube big, that heat exchange efficiency is high.The technical solution of the utility model is that a kind of heat exchange internal thread flat tube includes body, it is characterized in that: being shaped on a plurality of cross sections on the inner surface of pipe is leg-of-mutton helical tooth, and tooth top is a circular arc.The lead angle of helical tooth is 4～30 °, and addendum angle is 15～85 °, and tooth top and tooth base angle arc radius are 0.03～0.05mm.The utility model is owing to make the semi-triangular threaded line of cross section on the inner surface of pipe, thereby has the advantage that area of dissipation is big and radiating efficiency is high than existing light pipe.
Description of drawings:
Fig. 1 is the local schematic diagram that launches of the utility model inner surface, and Fig. 2 is a drawing in side sectional elevation of the present utility model, and Fig. 3 is the partial enlarged drawing of Fig. 2.1. bodys, 2. helical tooths among the figure
The specific embodiment:
Copper flat tube of the present utility model is shaped on 10 helical tooths 2 on the inner surface of body 1, lead angle is 15 °, and addendum angle is 40 °, and arc radius is 0.03mm at the bottom of tooth top and the tooth.
Claims (2)
1. heat exchange internal thread flat tube includes body, it is characterized in that: being shaped on a plurality of cross sections on the inner surface of pipe is leg-of-mutton helical tooth, and tooth top is a circular arc.
2. according to the described heat exchange of claim 1 internal thread flat tube, it is characterized in that: the lead angle of helical tooth is 4～30 °, and addendum angle is 15～85 °, and tooth top and tooth base angle arc radius are 0.03～0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284020 CN2638011Y (en) | 2003-08-08 | 2003-08-08 | Internal screw flat pipe for heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03284020 CN2638011Y (en) | 2003-08-08 | 2003-08-08 | Internal screw flat pipe for heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2638011Y true CN2638011Y (en) | 2004-09-01 |
Family
ID=34303654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03284020 Expired - Fee Related CN2638011Y (en) | 2003-08-08 | 2003-08-08 | Internal screw flat pipe for heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2638011Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644755A (en) * | 2013-11-27 | 2014-03-19 | 华南理工大学 | Heat transfer pipe and gas heat exchanger where heat transfer pipe is used |
| CN103968699A (en) * | 2014-05-21 | 2014-08-06 | 合肥华凌股份有限公司 | Heat exchange tube, evaporator assembly, condenser assembly and refrigeration equipment |
-
2003
- 2003-08-08 CN CN 03284020 patent/CN2638011Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103644755A (en) * | 2013-11-27 | 2014-03-19 | 华南理工大学 | Heat transfer pipe and gas heat exchanger where heat transfer pipe is used |
| CN103968699A (en) * | 2014-05-21 | 2014-08-06 | 合肥华凌股份有限公司 | Heat exchange tube, evaporator assembly, condenser assembly and refrigeration equipment |
| CN103968699B (en) * | 2014-05-21 | 2016-08-17 | 合肥华凌股份有限公司 | Heat exchanger tube, evaporator assemblies, condenser assembly and refrigeration plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040901 Termination date: 20100808 |