CN2864492Y - Through-type solar vacuum heat-collecting pipe - Google Patents
Through-type solar vacuum heat-collecting pipe Download PDFInfo
- Publication number
- CN2864492Y CN2864492Y CNU2005200775054U CN200520077505U CN2864492Y CN 2864492 Y CN2864492 Y CN 2864492Y CN U2005200775054 U CNU2005200775054 U CN U2005200775054U CN 200520077505 U CN200520077505 U CN 200520077505U CN 2864492 Y CN2864492 Y CN 2864492Y
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat collection
- metal pipe
- collector metal
- collection pipe
- 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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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a run-through solar-powered vacuum heat collection pipe, which comprises a glass external pipe (1) and a metal heat collection pipe (2). The space between the glass external pipe (1) and the metal heat collection pipe (2) is vacuumed. The fin (3) is fixed on the metal heat collection pipe (2); the surfaces of the metal heat collection pipe (2) and the fin (3) are coated with solar-powered absorption material layer (6). Covering caps (5) for metal prevention are equipped on two ends of glass external pipe, and the covering caps (5) are run through the two ports of the metal heat collection pipe (2). The utility model is characterized in that the two ports of metal heat collection pipe are inlet and outlet of medium, the rubber-sealed end caps (4) are mounted on two ends of the metal heat collection pipe (2). In addition, outer ring of the rubber-sealed end caps (4) and internal wall of the glass external pipe (1) are of close fit together. The utility model is not only simple for its structure, but also good for sealing property and heat collection efficiency. The scale and impurity are unlikely generated, and its service life is longer.
Description
Technical field
The utility model relates to a kind of through solar vacuum heat-collecting pipe, belongs to field of solar energy utilization.
Background technology
Existing solar vacuum heat-collecting pipe mainly contains all-glass vacuum tube and heat pipe-type glass-vacuum tube two classes, and all-glass vacuum thermal-collecting tube adopts the laminated vacuum glass pipe, and an end is a blind hole, and the other end is the through hole Inlet and outlet water.Be characterized in easy to manufacture, price is low, and is easy for installation, but because of do not flow easily scaling and stockpile impurity of water in managing, and has only the conduction heat exchange between glass heat collection tube and cold water, collecting efficiency is low.And heat pipe type vacuum pipe is owing to adopt the heat pipe heat exchanging mode, and there are not problems such as scaling and long-pending impurity in the collecting efficiency height, but the manufacturing technology complexity, the cost height is unfavorable for applying.Chinese patent CN2713394Y discloses a kind of straight-through type solar energy vacuum heat collecting tube, though than last two kinds of thermal-collecting tubes very big progress has been arranged, it directly adopts metal end to seal, and sealing effectiveness is poor, is difficult to guarantee vacuum, causes collecting efficiency to reduce.
Summary of the invention
The purpose of this utility model provides a kind of not only simple in structure, and good seal performance, through solar vacuum heat-collecting pipe that collecting efficiency is high.
The technical scheme that realizes above-mentioned purpose is: a kind of through solar vacuum heat-collecting pipe; comprise glass outer tube and collector metal pipe; space between glass outer tube and the collector metal pipe is a vacuum layer; has fin on the collector metal pipe; and the surface of collector metal pipe and fin thereof scribbles solar energy absorbing coating; the two ends of glass outer tube have the metal coating block; the both wings port of collector metal pipe passes the metal coating block; the both wings port of collector metal pipe is that medium advances; outlet; the two ends of collector metal pipe are set with the rubber seal end cap, and the inwall of the outer ring of rubber seal end cap and glass outer tube closely cooperates.
After adopting technique scheme, be evacuated between glass outer tube and the collector metal pipe and rely on rubber seal end cap positiver sealing, the coating of collector metal pipe and fin surface thereof absorbs solar energy, because the collector metal pipe can bear the above pressure of 0.4MPa, so but liquid medium pressure-bearings such as the interior water of collector metal pipe flow, the diabatic process of media such as collector metal Guan Yushui is that heat convection adds the conduction heat exchange, and vacuum heat-preserving has reduced heat loss to greatest extent, thereby for all-glass vacuum tube, collecting efficiency improves greatly.Because media such as water flow in managing again, be difficult for producing incrustation scale and stockpiling impurity, simultaneously Gu greatly improve than all-glass vacuum tube service life again.
Description of drawings
Fig. 1 is the structural representation of the through solar vacuum heat-collecting pipe of the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As shown in Figure 1; a kind of through solar vacuum heat-collecting pipe; comprise glass outer tube 1 and collector metal pipe 2; space between glass outer tube 1 and the collector metal pipe 2 is a vacuum layer; has fin 3 on the collector metal pipe 2; and the surface of collector metal pipe 2 and fin 3 thereof scribbles solar energy absorbing coating 6; the two ends of glass outer tube 1 have metal coating block 5; the both wings port of collector metal pipe 2 passes metal coating block 5; the both wings port of collector metal pipe 2 is that medium advances; outlet; the two ends of collector metal pipe 2 are set with rubber seal end cap 4, and the inwall of the outer ring of rubber seal end cap 4 and glass outer tube 1 closely cooperates.
The course of work of the present utility model is as follows: liquid mediums such as cold water flow in the collector metal pipe 2 from an end of collector metal pipe 2, the solar energy that collector metal pipe 2 and fin 3 absorb is passed to the interior media such as water of pipe by heat convection and conduction heat exchange, make its intensification and flow out, finished a thermal-arrest process from the other end of pipe.
Claims (1)
1; a kind of through solar vacuum heat-collecting pipe; comprise glass outer tube (1) and collector metal pipe (2); space between glass outer tube (1) and the collector metal pipe (2) is a vacuum layer; has fin (3) on the collector metal pipe (2); and the surface of collector metal pipe (2) and fin (3) thereof scribbles solar energy absorbing coating (6); the two ends of glass outer tube (1) have metal coating block (5); the both wings port of collector metal pipe (2) passes metal coating block (5); it is characterized in that: the both wings port of collector metal pipe (2) is that medium advances; outlet; the two ends of collector metal pipe (2) are set with rubber seal end cap (4), and the inwall of the outer ring of rubber seal end cap (4) and glass outer tube (1) closely cooperates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200775054U CN2864492Y (en) | 2005-11-18 | 2005-11-18 | Through-type solar vacuum heat-collecting pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200775054U CN2864492Y (en) | 2005-11-18 | 2005-11-18 | Through-type solar vacuum heat-collecting pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2864492Y true CN2864492Y (en) | 2007-01-31 |
Family
ID=37676942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200775054U Expired - Fee Related CN2864492Y (en) | 2005-11-18 | 2005-11-18 | Through-type solar vacuum heat-collecting pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2864492Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202786A (en) * | 2015-10-15 | 2015-12-30 | 广西广拓新能源科技有限公司 | Multifunctional solar heat collector |
-
2005
- 2005-11-18 CN CNU2005200775054U patent/CN2864492Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202786A (en) * | 2015-10-15 | 2015-12-30 | 广西广拓新能源科技有限公司 | Multifunctional solar heat collector |
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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: 20070131 Termination date: 20091218 |