CN201652943U - Vacuum heat collection component with inner glass tube coated with metal substrate - Google Patents
Vacuum heat collection component with inner glass tube coated with metal substrate Download PDFInfo
- Publication number
- CN201652943U CN201652943U CN2010201301713U CN201020130171U CN201652943U CN 201652943 U CN201652943 U CN 201652943U CN 2010201301713 U CN2010201301713 U CN 2010201301713U CN 201020130171 U CN201020130171 U CN 201020130171U CN 201652943 U CN201652943 U CN 201652943U
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- CN
- China
- Prior art keywords
- glass tube
- inner glass
- heat collection
- vacuum heat
- metal substrate
- 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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- 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
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- Coating By Spraying Or Casting (AREA)
Abstract
A vacuum heat collection component with an inner glass tube coated with metal substrate comprises a heat tube vacuum heat collection component, which is manufactured in a manner that an inner glass tube with one end round-sealed is inwardly inserted into a cover glass tube with one end round-sealed, and the inner glass tube and the cover glass tube are sealed by melting, evacuated and filled with a working medium; and the inner glass tube can also be the hot end of a heat tube. The vacuum heat collection component is characterized in that a metal layer is coated on the outer surface of the inner glass tube; and the absorbing film is included in the coated metal layer. The manufacture of the metal substrate and the absorption membrane on the inner glass tube can keep the high-reliability and low-cost glass tube melt-sealing process, and can design more absorption membranes based on the metal substrate. The metal has high good conductivity and thermal conductivity and high IR reflectivity (i.e. low reflection ratio). The selective absorption membranes with high absorption rate and low reflectivity can stably and efficiently collect heat at high temperature, and can greatly lower highest temperature at the focal spot in the condensing heat collection mode, thereby reducing thermal loss and prolonging the service life.
Description
Technical field
The utility model relates to the vacuum heat collection element of inner glass tube spray metal substrate.
Background technology
Existing all-glass vacuum thermal-collecting tube adopts inner glass tube and cover glass tube to melt envelope, has reliability height, advantage that cost of manufacture is low.But because of being limited to vacuum sputtering absorbing film on the inner glass tube, its performance is subjected to the influence of glass substrate that big development or breakthrough can not be arranged.For example be difficult to obtain efficient under medium and high temperature, as to stablize thermal-arrest selective absorbing film.
Summary of the invention
The purpose of this utility model is the vacuum heat collection element that the substrate of inner glass tube spray metal will be provided.
The technical scheme in the invention for solving the technical problem: at the inner glass tube outer surface spraying layer of metal layer of one one end circle envelope.Specifically can with reference in the prior art about the content of spray metal on glass or insulator.The spray metal layer will be stood the high temperature of follow-up vacuum bakeout.Comprise that on the surface of spray metal layer all or part of surface makes absorbing film, comprises the selective absorbing film that vacuum sputtering, electrochemical process are made; And utilize technology such as chemical vapour deposition (CVD), cosputtering or plasma etching to prepare coarse little uneven surface selectivity absorbing film.The above-mentioned inner glass tube circle envelope that is shaped on absorbing film is inserted the cover glass tube of one one end circle envelope inwardly and melted envelope, vacuumize and can working medium, make the vacuum heat collection element or the heat-tube vacuum heat collecting element of an inner glass tube spray metal substrate.
Also can be on inner glass tube first Wound wire shape thing, the spray metal layer is made the vacuum heat collection element of inner glass tube spray metal substrate again.Can retain or not retain the gap between adjacent two wire.
The beneficial effects of the utility model comprise: in spray metal substrate on the inner glass tube and make absorbing film in the substrate of spray metal, both kept high reliability, glass tube melts envelope technology cheaply; Can design more absorbing films again based on metallic substrates.Metal has good electric conductivity and good thermal conductivity, infrared high reflection are promptly launched than low.This makes the selective absorbing film on the metallic substrates have higher absorptivity, lower emissivity; Can under hot conditions, stablize, thermal-arrest efficiently; Can reduce absorbing film maximum temperature, minimizing heat waste, the prolongation absorbing film life-span at focal spot place under the light and heat collection pattern significantly.
The thread thing of coiling layer of metal can obtain to uniformly spray metal layer thickness and excellent surface quality as the preformed layer of spray metal layer on inner glass tube.
Description of drawings
Further be illustrated below in conjunction with drawings and Examples.
Fig. 1 is the heat-tube vacuum heat collecting element structural representation of an inner glass tube spray metal substrate.
Fig. 2 is the vacuum heat collection element structural representation of an inner glass tube spray metal substrate.
1. cold junctions among the figure; 2. inner glass tube; 3. cover glass tube; 4. spray metal layer.
The specific embodiment
Among Fig. 1, the inner glass tube 2 of double as heat pipe cold junction 1 and cover glass tube 3 melt envelope and vacuumize the heat-tube vacuum heat collecting element of making an inner glass tube spray metal layer 4.Be shaped on absorbing film on the spray metal layer 4.
Among Fig. 2, inner glass tube 2 and cover glass tube 3 melt envelope and vacuumize the vacuum heat collection element of making an inner glass tube spray metal layer 4.Spray metal layer 4 partly covers inner glass tube 2 with the angle of circumference less than 360 °.Can either guarantee thermal-arrest, can save the convenient manufacturing of material again, and can reduce the discharge quantity of vacuum heat-insulating layer inner metal component.
Claims (3)
1. the vacuum heat collection element of inner glass tube spray metal substrate comprises the heat-tube vacuum heat collecting element, is inserted the cover glass tube of one one end circle envelope inwardly and is melted envelope, vacuumizes and can working medium is made by the inner glass tube circle envelope of one one end circle envelope; Inner glass tube can be the hot junction of a heat pipe also, it is characterized in that the inner glass tube outer surface is coated with the layer of metal layer, and absorbing film is contained on the surface of spray metal layer.
2. heat collecting element according to claim 1 is characterized in that being wound with on the inner glass tube wire.
3. heat collecting element according to claim 1 is characterized in that the spray metal layer partly covers inner glass tube with the angle of circumference less than 360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201301713U CN201652943U (en) | 2010-03-12 | 2010-03-12 | Vacuum heat collection component with inner glass tube coated with metal substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201301713U CN201652943U (en) | 2010-03-12 | 2010-03-12 | Vacuum heat collection component with inner glass tube coated with metal substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201652943U true CN201652943U (en) | 2010-11-24 |
Family
ID=43118183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201301713U Expired - Fee Related CN201652943U (en) | 2010-03-12 | 2010-03-12 | Vacuum heat collection component with inner glass tube coated with metal substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201652943U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423896A (en) * | 2012-05-18 | 2013-12-04 | 徐秀萍 | Method, product and equipment for manufacturing high-emissivity anti-idle-sunning all-glass vacuum heat collecting and utilizing element |
-
2010
- 2010-03-12 CN CN2010201301713U patent/CN201652943U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103423896A (en) * | 2012-05-18 | 2013-12-04 | 徐秀萍 | Method, product and equipment for manufacturing high-emissivity anti-idle-sunning all-glass vacuum heat collecting and utilizing element |
| CN103423896B (en) * | 2012-05-18 | 2016-06-01 | 徐秀萍 | The anti-air drying all glass vacuum heat collecting of high emissivity utilizes element approach product facility |
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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: Haining IEMYC Solar Energy Technology Co., Ltd. Assignor: Qiu Xueqin Contract record no.: 2011330000757 Denomination of utility model: Vacuum heat collection component with inner glass tube coated with metal substrate Granted publication date: 20101124 License type: Common License Record date: 20110617 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110312 |