CN1707199B - Packaging structure for solar energy glass energy gathering tube - Google Patents
Packaging structure for solar energy glass energy gathering tube Download PDFInfo
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- CN1707199B CN1707199B CN2004100251059A CN200410025105A CN1707199B CN 1707199 B CN1707199 B CN 1707199B CN 2004100251059 A CN2004100251059 A CN 2004100251059A CN 200410025105 A CN200410025105 A CN 200410025105A CN 1707199 B CN1707199 B CN 1707199B
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- glass
- end cover
- metal flow
- energy collecting
- solar energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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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
- Y02E10/44—Heat exchange systems
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
The solar energy collecting glass tube packing structure includes transparent glass tube, metal flow channel tube, and sealing end caps, and features the sealing structure including two, one upper andone lower, sealing end caps adhered with sealing structure glue. Of the two sealing end caps, one has inner edge welded to the metal flow channel tube hermetically and the other has outer edge is adhered hermetically to the glass tube wall. The said structure can reach the requirement of reliable sealing for long period and high heat insulating effect.
Description
Technical field
The present invention relates to a kind of solar utilization technique, especially the encapsulating structure technology of solar energy glass energy collecting tube.
Background technology
Glass evacuated energy collecting tube is important components and parts in the solar utilization technique, wherein, metal flow passage tubular type glass heat-collecting vacuum tube is the renewal product of glass heat-collecting vacuum tube, also be the improvement and the developing direction of glass heat-collecting vacuum tube, because the encapsulation process technical matters complexity of fin heat pipe or metal flow passage tubular type glass heat-collecting vacuum tube, needing a large amount of expensive encapsulation process equipment to comprise vacuumizes, the special solder and accurate welding sealing process of cleaning process and employing could be realized the vacuum seal requirement between glass-vacuum tube and metal end cover before the strict welding.Therefore make production technology simple and to reduce cost be the important improvement direction of glass evacuated energy collecting tube Sealing Technology always, as CN1050696 " technology for making strip-type hot tube vacuum pipe " the strip-type hot tube vacuum pipe sealing preparation technology that a kind of Cu-Al composite strip is formed tube-sheet type heat transfer core bar has been proposed, in the encapsulation of its vacuum tube, glass adopts solder hot pressing with glass, mutual being connected of each parts of glass and metal, the press seal temperature is 300 ℃, make production technology simple to reach, the effect that cost is low.The reliability during but prior art can't guarantee to seal crudy and use for a long time fully, general after the use of 2-3, being easy to produce low-intensity under the alternating hot and cold stress, can to cut down the welding line structure of metal material lax, vacuum seal occurring leaks and inefficacy, and the developing direction and the instructions for use that combine with architecture-integral according to the solar energy utilization, energy collecting tube should have the continuous service property (quality) guarantee in 15 years, therefore, the long-term even sealed effect of actual vacuum of existing solar energy glass vacuum energy collecting tube and reliability are not as good as adopting partial vacuum or hollow sealing to come better.
Summary of the invention
The object of the present invention is to provide and a kind ofly not only can avoid a large amount of encapsulation process equipment investments and can make the sealed package process operation simple and easy, simultaneously but also can obtain 15 years long-term good solar energy glass energy collecting tube partial vacuum or hollow sealing encapsulating structures that are protected with dependability of even sealed effect that use continuously, have the instructions for use that the solar energy utilization combines with architecture-integral now to satisfy, and can reduce the sealing cost and obtain good performance cost price ratio.
The present invention is achieved by the following technical solutions, the present invention adopts a kind of encapsulating structure of solar energy glass energy collecting tube, comprise transparent glass tube, the metal flow deferent, end cover, it is characterized in that end cover is to comprise two hermetically-sealed constructions that end cover is formed up and down, bonding through the structure sealant sealing mutually between two end covers, be tightly connected through water vapor seal glue between the outside periphery of an end cover and clear glass tube wall in the inboard hole wall welding of an end cover or be bonded in to form on the metal flow deferent face and be tightly connected in two end covers, two end covers.Bonding can the reinforcing of structure sealant sealing between described two end covers via the screw thread pressing, wherein, the screw thread pressing be with externally threaded threaded sleeve and metal flow deferent face through welding or bonding the connection, the nut and the packing ring of screw thread pressing are arranged on the end cover, and and the external screw thread of threaded sleeve be threaded.Described inboard hole wall welds or is bonded in the end cover that formation is tightly connected on the metal flow deferent face, except the direct welding or adhering and sealing syndeton of its inboard hole wall and metal flow deferent pipe face, can also be via a flange and the welding or bonding indirectly of metal flow deferent pipe face.The water vapor seal glue that is tightly connected between the outside periphery of an end cover and clear glass tube wall etc. in described two end covers is butyl rubber etc., between two end covers mutually the structure sealant of the bonding grade of sealing be poly-sulphur glue or silicone adhesive etc.Described transparent glass tube comprises single glass or the two glass structures of vacuum, in the tube chamber that the end cover sealing forms the partial vacuum is set, or hollow is set and fills inert gas.But described metal flow deferent liquid metals flow-path tube or heat pipe can have the energy collecting fin on the metal flow deferent.The sunny slope of described energy collecting fin is provided with solar cell or sunlight heat conversion film.Described energy collecting fin and metal flow deferent connect to form heat transfer core bar, and described heat transfer core bar can be heat transfer core bar two-dimensional surface or said three-dimensional body.
Advantage of the present invention is: because the hermetically-sealed construction that adopts inside and outside two end covers to form, one of them end cover inner side edge is along being connected on the metal flow deferent through welded seal, simultaneously, by between two end covers mutually through bonded adhesives be tightly connected and the outer side edges of one of them end cover along and the clear glass tube wall between two double sealings forming through bonded adhesives can reach the long term seal reliability requirement of partial vacuum or hollow sealing grade, a large amount of encapsulation process equipment investments had both been avoided, and make the sealed package process operation simple and easy, be sealed in the average insulating power that can arrive better sealing effectiveness and Geng Gao on the continuous service property (quality) in 15 years according to existing vacuum, can satisfy the instructions for use that existing solar energy utilization combines with architecture-integral, and can reduce the sealing cost and obtain excellent sealing ability cost price ratio than prior art.
Description of drawings
Fig. 1, Fig. 2 are the structural representations of one of embodiment of the invention;
Fig. 3, Fig. 4 are two structural representations of the embodiment of the invention;
Fig. 5, Fig. 6 are three structural representations of the embodiment of the invention.
The specific embodiment:
By shown in Figure 1, the encapsulating structure of a kind of solar energy glass energy collecting tube of one of encapsulating structure embodiment of a kind of solar energy glass energy collecting tube of the present invention, comprise single glass transparent glass tube 1, metal flow deferent 2, end cover, structure sealant 4, water vapor seal glue 5, be with externally threaded threaded sleeve 6, clamp nut 7, welding or adhesive linkage 8, wherein, end cover is the hermetically-sealed construction that comprises that end cover 301 and lower seal end cap 302 are formed, end cover 302 inboard hole walls are on the welding or the pipe face that is connected the metal flow deferent that is bonded and sealed, but metal flow deferent liquid metals flow-path tube, be tightly connected through structure sealant 4 mutually between two end covers, structure sealant can adopt poly-sulphur glue, between the outside periphery of end cover 302 and clear glass tube wall through water vapor seal glue 5 as adopt the butyl rubber water vapor seal effect that has been tightly connected, being with between externally threaded threaded sleeve and metal flow deferent pipe face of screw thread pressing through welding or bonding the connection, the nut of screw thread pressing and packing ring are arranged on the end cover, and and the threaded sleeve external screw thread be threaded, when being rotated down, tightens up by clamp nut upper-lower seal end cap 301 and 302, the air gap in the fluid sealant between two end covers is extruded, and water vapor seal glue is closely contacted with the tube wall of transparent glass tube, play connection and sealing function, can make locking processing after clamp nut screws.
The direct welding or the bonded structure of end cover 302 inboard hole walls and metal mozzle coupling part are external except making one as shown in Figure 1, also can make end cover and the two-part combination of jacking flange by decomposing as shown in Figure 2, be tightly connected by water vapor seal glue therebetween, by flange and the welding or bonding indirectly of metal flow deferent pipe face, manufacturing processing is more convenient like this.
By shown in Figure 3, the encapsulating structure of a kind of solar energy glass energy collecting tube of two of the encapsulating structure embodiment of a kind of solar energy glass energy collecting tube of the present invention, comprise single glass transparent glass tube 1, metal flow deferent 2, end cover, structure sealant 4, water vapor seal glue 5, welding or adhesive linkage 8, outer sealing layers 9, energy collecting fin 10, wherein, end cover is the hermetically-sealed construction that comprises that end cover 301 and lower seal end cap 302 are formed, end cover 302 inboard hole walls are connected on the metal flow deferent pipe face through welding or being bonded and sealed, be tightly connected through structure sealant 4 mutually between two end covers, structure sealant can adopt poly-sulphur glue or silicone adhesive, between the outside periphery of end cover 302 and clear glass tube wall through the water vapor seal effect that has been tightly connected of water vapor seal glue 5 as employing butyl rubber.Outer sealing layers can be with silicone adhesive or acrylic type water-proof filler, with further enhanced leaktightness effect, the metal flow deferent adopts heat pipe, have the energy collecting fin on the metal flow deferent, energy collecting fin and metal flow deferent connect through being weldingly connected forms heat transfer core bar, described heat transfer core bar can be heat transfer core bar two-dimensional surface or said three-dimensional body, as is similar to disclosed three-dimension fin structure among the Chinese patent ZL02264999.9.The sunny slope of described energy collecting fin is provided with solar cell or sunlight heat conversion film.
The direct welding or the bonded structure of end cover 302 inboard hole walls and metal mozzle coupling part are external except making one as shown in Figure 3, also can be by decomposing the combination of making as shown in Figure 4 with a holder Raffarin part, be tightly connected by water vapor seal glue therebetween, by ring flange and the welding or bonding indirectly of metal flow deferent, make that manufacturing processing is more convenient.
By shown in Figure 5; the encapsulating structure of a kind of solar energy glass energy collecting tube of three of the encapsulating structure embodiment of a kind of solar energy glass energy collecting tube of the present invention; comprise two glass vacuum transparent glass tubes 1; metal flow deferent 2; end cover; structure sealant 4; water vapor seal glue 5; welding or adhesive linkage 8; wherein; transparent glass tube can adopt single glass or the two glass structures of vacuum, can be arranged to the solar cell or the sunlight heat conversion film that are provided with on the sunny slope of hollow state in order to protection energy collecting fin of formations such as partial vacuum or inert gas in the transparent glass tube in the tube chamber that the end cover sealing forms.
End cover is the hermetically-sealed construction that comprises that end cover 301 and lower seal end cap 302 are formed, end cover 301 inboard hole walls are connected on the metal flow deferent through adhering and sealing, be tightly connected as butyl rubber through water vapor seal glue 5 between the outside periphery of end cover 302 and clear glass tube wall, simultaneously, the flange in the outside is hung on the distolateral shoulder face that rides over two glass vacuum transparent glass tubes, extension is taken part and is tightly connected through structure sealant such as silicone adhesive, mutually also through the butyl rubber water vapor seal effect that has been tightly connected, the outer sealing layers structure sealant also can adopt silicone adhesive between two end covers.
The direct welding or the bonded structure of end cover 301 inboard hole walls and metal mozzle coupling part are external except making one as shown in Figure 5, also can be by decomposing the combination of making as shown in Figure 6 with a flange section, be tightly connected by water vapor seal glue between the two, by ring flange and the welding or bonding indirectly of metal flow deferent, make that manufacturing is easy to process.
The structure and the manufacture method that adopt the foregoing description structure and the scope of the invention to comprise, can avoid a large amount of encapsulation process equipment investments and make the sealed package process operation simple and easy, be sealed in the average insulating power that can arrive better sealing effectiveness and Geng Gao on the continuous service property (quality) in 15 years according to existing vacuum, can satisfy the instructions for use that existing solar energy utilization combines with architecture-integral, and can reduce the sealing cost and obtain excellent sealing ability cost price ratio than prior art.
Claims (8)
1. the encapsulating structure of a solar energy glass energy collecting tube, comprise transparent glass tube, metal flow deferent, end cover, it is characterized in that end cover is to comprise two hermetically-sealed constructions that end cover is formed up and down, bonding through the structure sealant sealing mutually between two end covers, be tightly connected through water vapor seal glue between the outside periphery of an end cover and clear glass tube wall in the inboard hole wall welding of an end cover or be bonded in to form on the metal flow deferent face and be tightly connected in two end covers, two end covers.
2. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 1, it is characterized in that structure sealant sealing between described two end covers is bonding reinforces via the screw thread pressing, wherein, the screw thread pressing be with externally threaded threaded sleeve and metal flow deferent face through welding or bonding the connection, the nut and the packing ring of screw thread pressing are arranged on the end cover, and are threaded with the threaded sleeve external screw thread.
3. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 1, it is characterized in that described inboard hole wall welds or is bonded in the end cover that formation is tightly connected on the metal flow deferent face, its inboard hole wall directly welds with metal flow deferent pipe face or adhering and sealing is connected, or via a flange and the welding or bonding indirectly of metal flow deferent pipe face.
4. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 1, it is characterized in that the water vapor seal glue that is tightly connected between the outside periphery of an end cover in described two end covers and clear glass tube wall is butyl rubber, between two end covers mutually the bonding structure sealant of sealing be poly-sulphur glue or silicone adhesive.
5. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 1; it is characterized in that described transparent glass tube comprises single glass or the two glass structures of vacuum; in the tube chamber that the end cover sealing forms the partial vacuum is set, or hollow is set and fills inert gas.
6. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 1 is characterized in that described metal flow deferent is liquid metals flow-path tube or heat pipe, has the energy collecting fin on the metal flow deferent.
7. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 6 is characterized in that the sunny slope of described energy collecting fin is provided with solar cell or sunlight heat conversion film.
8. the encapsulating structure of a kind of solar energy glass energy collecting tube according to claim 6 is characterized in that described energy collecting fin and metal flow deferent connect to form heat transfer core bar, and described heat transfer core bar is heat transfer core bar two-dimensional surface or said three-dimensional body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100251059A CN1707199B (en) | 2004-06-11 | 2004-06-11 | Packaging structure for solar energy glass energy gathering tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2004100251059A CN1707199B (en) | 2004-06-11 | 2004-06-11 | Packaging structure for solar energy glass energy gathering tube |
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| Publication Number | Publication Date |
|---|---|
| CN1707199A CN1707199A (en) | 2005-12-14 |
| CN1707199B true CN1707199B (en) | 2010-04-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2004100251059A Expired - Fee Related CN1707199B (en) | 2004-06-11 | 2004-06-11 | Packaging structure for solar energy glass energy gathering tube |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2370327B1 (en) * | 2009-11-12 | 2012-09-27 | Abengoa Solar New Technologies, S.A. | INSULATING ELEMENT OF THE EXPANSION COMPENSATION DEVICE AND MANUFACTURING PROCEDURE OF THE SAME. |
| DE102009047548B4 (en) * | 2009-12-04 | 2012-01-12 | Schott Solar Ag | absorber tube |
| CN103626407B (en) * | 2013-12-06 | 2016-01-20 | 张曹 | Glass metal welded seal technique and application thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2053453A (en) * | 1979-06-29 | 1981-02-04 | Philips Nv | Solar collector and heat pipe particularly suitable for use therein |
| CN2356275Y (en) * | 1998-11-12 | 1999-12-29 | 柴庆双 | Solar heat pipe-single open vacuum tube |
| CN2364399Y (en) * | 1999-03-23 | 2000-02-16 | 郭亮 | Composite vacuum solar heat-collecting tube |
| CN2377497Y (en) * | 1999-03-10 | 2000-05-10 | 鲍大同 | Solar by-pass heat pipe |
| CN2739533Y (en) * | 2004-11-03 | 2005-11-09 | 上海市向明中学 | Efficient cold water boiler |
-
2004
- 2004-06-11 CN CN2004100251059A patent/CN1707199B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2053453A (en) * | 1979-06-29 | 1981-02-04 | Philips Nv | Solar collector and heat pipe particularly suitable for use therein |
| CN2356275Y (en) * | 1998-11-12 | 1999-12-29 | 柴庆双 | Solar heat pipe-single open vacuum tube |
| CN2377497Y (en) * | 1999-03-10 | 2000-05-10 | 鲍大同 | Solar by-pass heat pipe |
| CN2364399Y (en) * | 1999-03-23 | 2000-02-16 | 郭亮 | Composite vacuum solar heat-collecting tube |
| CN2739533Y (en) * | 2004-11-03 | 2005-11-09 | 上海市向明中学 | Efficient cold water boiler |
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| Publication number | Publication date |
|---|---|
| CN1707199A (en) | 2005-12-14 |
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Address after: 504 room 3, building 151, No. 213161, Renmin Road, Changzhou, Jiangsu Patentee after: Pan Ge Address before: 200030, room 10, five village, Wan Nan 502, Shanghai Patentee before: Pan Ge |
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Granted publication date: 20100428 Termination date: 20200611 |
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