CN101598395B - All-glass evacuated rectangular planar collector tube - Google Patents
All-glass evacuated rectangular planar collector tube Download PDFInfo
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- CN101598395B CN101598395B CN2008103019095A CN200810301909A CN101598395B CN 101598395 B CN101598395 B CN 101598395B CN 2008103019095 A CN2008103019095 A CN 2008103019095A CN 200810301909 A CN200810301909 A CN 200810301909A CN 101598395 B CN101598395 B CN 101598395B
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- glass
- tube
- rectangular
- pipe
- head
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S40/00—Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
- F24S40/40—Preventing corrosion; Protecting against dirt or contamination
- F24S40/46—Maintaining vacuum, e.g. by using getters
-
- 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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- 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)
- Joining Of Glass To Other Materials (AREA)
Abstract
An all-glass evacuated rectangular planar collector tube comprises a cover glass tube, a rectangular planar glass collector tube, a support fixed elastic card of a getter and an exhaust nozzle; the base tube of the rectangular planar glass collector tube of the invention is a rectangular glass tube; tube heads at both ends of the rectangular glass tube are processed into round glass tube heads; the surface of the outer wall of the manufactured rectangular glass tube with openings at both ends is compounded with a heat absorption film layer; the tube heads at both ends of the cover glass tube are uniformed and sintered; by annular reducing, pressing, soldering and sealing by glass, the cover glass tube mouth is necked and sealed with the mouth of the rectangular planar round glass collector tube as a whole to form a single-layer glass round tube mouth; after the interlayer of internal and external glass tubes is vacuumized, the exhaust nozzle is sealed by glass and the getter is evaporated to manufacture the all-glass evacuated rectangular planar collector tube. The tube enjoys high heat absorption efficiency and long service life and can utilize scattered light.
Description
Technical field
The present invention relates to a kind of solar collector pipe, especially a kind of high-efficiency full-glass vacuum rectangle plane thermal-collecting tube belongs to the Application of Solar Energy field.
Background technology
At present, known all-glass evacuated solar collector tube is a circle thermal-collecting tube structure in the cylindrical vestlet suit, and this structure heat radiation heat radiation is serious, and heat-insulating property is poor, and has stopped being shining into of scattered light.
Summary of the invention
In order to address the above problem, invented a kind of all-glass evacuated rectangular planar collector tube, the present invention not only heat absorption efficiency is high, good heat insulating, but also can reduce heat radiation, utilize scattered light, and reduced production cost.
The technical solution adopted for the present invention to solve the technical problems is: a kind of all-glass evacuated rectangular planar collector tube comprises cover glass pipe, rectangle plane heat collecting glass tube, supports bullet card, getter, exhaust nozzle.The parent tube of the rectangle plane heat collecting glass tube of all-glass evacuated rectangular planar collector tube is the glass rectangular tube, and the heating of glass rectangular tube one end tube head is moulded and is processed into the glass round tube head, to glass round tube flush, a burning mouth; Glass round tube head or expand into and glass rectangular tube concentric, isodiametric glass round tube head; Or glass rectangle tube head is moulded the glass round tube head that is processed into glass rectangular tube concentric; Glass rectangular tube one end tube head accent is round, flush, the burning mouth, and the glass rectangular tube of processing ground one end opening, end sealing is sealed in the clinkering of glass rectangular tube other end tube head glass, or glass rectangular tube other end tube head; Heating is earlier moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head, and the glass round tube head is sealed in the glass clinkering, is processed into the glass rectangular tube of ground one end opening, end sealing; On the surface of its plane outer wall, the compound heat absorption rete in one or both sides is processed the rectangle plane heat collecting glass tube, burning that cover glass Guan Yiduan tube head is flush mouth; The clinkering of cover glass pipe other end tube head glass is sealed, on the glass tube head that seals, and glass welding exhaust nozzle tail pipe; The support bullet card that has getter is installed in the cover glass pipe; Then the rectangle plane heat collecting glass tube is sleeved in the cover glass pipe cover glass mouth of pipe, the interior heat collection glass mouth of pipe, ring glass welding sealing by fusing; After internally the outer glass pipe interlayer vacuumizes; The glass sealing exhaust nozzle, the evaporation getter is processed all-glass evacuated rectangular planar collector tube.
A kind of all-glass evacuated rectangular planar collector tube; Glass rectangular tube glass clinkering of heat collecting glass tube is sealed on the glass tube end socket of formation in it; The connection of suit symmetry is compounded with the excessive short glass tube end socket that formation is sealed in the clinkering of pipe glass, makes glass rectangular tube end socket one end become the pipe head.
A kind of all-glass evacuated rectangular planar collector tube; The glass rectangular tube of heat collecting glass tube in it burns mouth with an end, the end socket surface of the glass round tube head that the clinkering of other end glass is sealed; Concentric glass head seal annular solder is processed the rectangle plane heat collecting glass tube that tail end has one section blank pipe head.
A kind of all-glass evacuated rectangular planar collector tube, its glass rectangle tube head heating is moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head, flush, burning mouth; With glass rectangular tube concentric, equal diameter, an end glass tube clinkering is sealed, and the other end burns glass round tube sealing-in mouth one end of mouth, and the rectangle plane heat collecting glass tube that tail end has one section blank pipe head is processed in the glass ring-shaped welding.
A kind of all-glass evacuated rectangular planar collector tube, the inner surface of its glass rectangular tube plane tube wall is inwardly protruded cambered surface.
A kind of interior heat collection glass tube-surface of all-glass evacuated rectangular planar collector tube or process chemical attack emulsification treatment.
A kind of cover glass pipe of all-glass evacuated rectangular planar collector tube or be ultrawhite low-reflection glass pipe.
On a kind of inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar collector tube, vertically be compounded with less than, equal the reflective mirror of cover glass pipe one semicanal face; Or on the outer surface of a side pipe wall of rectangle plane heat collecting glass tube, vertically be compounded with reflective mirror; Or on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar collector tube, vertically be compounded with less than, equal the reflective mirror of cover glass pipe one semicanal face, on the outer surface of a side pipe wall of rectangle plane heat collecting glass tube, also vertically be compounded with reflective mirror.
On a kind of tube wall of all-glass evacuated rectangular planar collector tube cover glass pipe; Be provided with Fresnel Lenses, convex lens, Fresnel Lenses, convex lens vertically are located at strip Fresnel Lenses, the convex lens cover glass tube wall of the vertical layout on the both sides cover glass pipe circular arc tube wall between cover glass pipe diameter and the parallel chords.
The invention has the beneficial effects as follows: heat absorption efficiency is high, and long service life can reduce heat radiation, scattered light capable of using, and production cost is low.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified:
Fig. 1 is the unitary side cutaway view of a kind of first embodiment of all-glass evacuated rectangular planar collector tube of the present invention;
Fig. 2 is the sectional elevation of Fig. 1.
Fig. 3 is that first embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention revolves the unitary side cutaway view that turn 90 degrees;
Fig. 4 is the unitary side cutaway view of second embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Fig. 5 is the sectional elevation of Fig. 4.
Fig. 6 is the unitary side cutaway view of the 3rd embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Fig. 7 is the sectional elevation of Fig. 6.
Fig. 8 is that the 3rd embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention revolves the unitary side cutaway view that turn 90 degrees;
Fig. 9 is the unitary side cutaway view of the 4th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 10 is the sectional elevation of Fig. 9.
Figure 11 is the unitary side cutaway view of the 5th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 12 is the sectional elevation of Figure 11.
Figure 13 is the unitary side cutaway view of the 6th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 14 is the sectional elevation of Figure 13.
Figure 15 is the unitary side cutaway view of the 7th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 16 is the sectional elevation of Figure 15.
Figure 17 is the unitary side cutaway view of the 8th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 18 is the sectional elevation of Figure 17.
Figure 19 is the unitary side cutaway view of the 9th embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 20 is the sectional elevation of Figure 19.
Figure 21 is the unitary side cutaway view of the tenth embodiment of a kind of all-glass evacuated rectangular planar collector tube of the present invention;
Figure 22 is the sectional elevation of Figure 21.
Among the figure: the 1 rectangle plane heat collection glass mouth of pipe, 2 cover glass pipes, 3 rectangle plane glass tubes, 4 vacuum heat-preserving interlayers, 5 rectangle plane glass tube end sockets, 6 getters, 7 exhaust nozzles, 8 support bullet card, 9 absorption films, 10 low tail consumption tube heads, 11 mirror surfaces.
The specific embodiment
Like Fig. 1,2, shown in 3: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into and glass rectangular tube concentric, isodiametric glass round tube mouth.The other end tube head of glass rectangular tube 3; Heating is earlier moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head; The glass clinkering is sealed and is processed glass round tube 5; Be processed into the glass rectangular tube of ground one end opening, end sealing, on the surface of its plane outer wall, the compound heat absorption rete of a side is processed the rectangle plane heat collecting glass tube.
Like Fig. 4, shown in 5: on the tube wall of cover glass pipe 2, be provided with a pair of Fresnel Lenses, other is equal to Fig. 1, Fig. 2, Fig. 3.
Like Fig. 6,7, shown in 8: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into the glass round tube mouth with glass rectangular tube concentric.The other end tube head of glass rectangular tube 3; The glass clinkering is sealed, and the low tail consumption of cover glaze tube head 10 is processed into the glass rectangular tube of ground one end opening, end sealing on the glass round tube head; On the surface of its plane outer wall, the compound heat absorption rete of a side is processed the rectangle plane heat collecting glass tube.
Like Fig. 9, shown in 10: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into the glass round tube mouth with glass rectangular tube concentric.The other end tube head of glass rectangular tube 3; The glass clinkering is sealed, and at the low tail consumption of glass round tube upper glass clinkering tube head 10, is processed into the glass rectangular tube of ground one end opening, end sealing; On the surface of its plane outer wall, the compound heat absorption rete of a side is processed the rectangle plane heat collecting glass tube.
Like Figure 11, shown in 12: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into and glass rectangular tube concentric, isodiametric glass round tube mouth.The other end tube head of glass rectangular tube 3; Heating is earlier moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head; The glass clinkering is sealed and is processed glass round tube 5, is processed into the glass rectangular tube of ground one end opening, end sealing, on the surface of its plane outer wall; One side plane is compounded with the heat absorption rete, opposite side is compounded with mirror surface, processes the rectangle plane heat collecting glass tube.
Like Figure 13, shown in 14: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into and glass rectangular tube concentric, isodiametric glass round tube mouth.The other end tube head of glass rectangular tube 3; Heating is earlier moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head, and the glass clinkering is sealed and processed glass round tube 5, is processed into the glass rectangular tube of ground one end opening, end sealing; On the surface of its plane outer wall; One side plane is compounded with the heat absorption rete, opposite side is compounded with mirror surface, is compounded with mirror surface on the inner surface of cover glass pipe 2, processes the rectangle plane heat collecting glass tube.
Like Figure 15, shown in 16: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into and glass rectangular tube concentric, isodiametric glass round tube mouth.The other end tube head of glass rectangular tube 3; Heating is earlier moulded processing and is expanded into and glass rectangular tube concentric, isodiametric glass round tube head; At the low tail consumption of glass round tube upper glass clinkering tube head 10; Be processed into the glass rectangular tube of ground one end opening, end sealing, on the surface of its plane outer wall, the compound heat absorption rete of a side is processed the rectangle plane heat collecting glass tube.The tube wall of cover glass pipe 2 is provided with the strip Fresnel Lenses of vertical layout, is compounded with mirror surface on the outer surface of cover glass pipe 2.
Like Figure 17, shown in 18: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into the glass round tube mouth with glass rectangular tube concentric.The other end tube head of glass rectangular tube 3, the glass clinkering is sealed, at the low tail consumption of glass round tube upper glass clinkering tube head 10; Be processed into the glass rectangular tube of ground one end opening, end sealing; On the surface of its plane outer wall, the compound heat absorption rete of a side, opposite side are compounded with mirror surface, are compounded with mirror surface on the inner surface of cover glass pipe 2; The tube wall of cover glass pipe 2 is provided with the strip convex lens of vertical layout, processes the rectangle plane heat collecting glass tube.
Like Figure 19, shown in 20: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into the glass round tube mouth with glass rectangular tube concentric.The other end tube head of glass rectangular tube 3; The glass clinkering is sealed, and the low tail consumption of cover glaze tube head 10 is processed into the glass rectangular tube of ground one end opening, end sealing on the glass round tube head; On the surface of its plane outer wall, the compound heat absorption rete of a side is processed the rectangle plane heat collecting glass tube.The inside and outside tube wall of cover glass pipe 2 is provided with mirror surface.
Like Figure 21, shown in 22: a kind of rectangle plane heat collection glass mouth of pipe 1 of all-glass evacuated rectangular planar collector tube is that glass rectangular tube 3 expands into the glass round tube mouth with glass rectangular tube concentric.The other end tube head of glass rectangular tube 3; The glass clinkering is sealed; At the low tail consumption of glass round tube upper glass clinkering tube head 10, be processed into the glass rectangular tube of ground one end opening, end sealing, on the surface of its plane outer wall; The compound heat absorption rete of one side, opposite side are compounded with mirror surface, process the rectangle plane heat collecting glass tube.The inside and outside tube wall of cover glass pipe 2 is provided with mirror surface.
Claims (9)
1. all-glass evacuated rectangular planar collector tube; Comprise cover glass pipe, rectangle plane heat collecting glass tube, support bullet card, getter, exhaust nozzle; It is characterized in that: the parent tube of the rectangle plane heat collecting glass tube of all-glass evacuated rectangular planar collector tube is the glass rectangular tube; The heating of glass rectangular tube one end tube head is moulded to expand and is processed into the glass round tube head; Glass round tube head or expand into, diameter concentricity and the glass round tube head of glass rectangular tube diagonal appearance etc., or mould and be processed into and the concentric glass round tube head of glass rectangular tube with the glass rectangular tube, flush to glass round tube, burn mouthful; The clinkering of glass rectangular tube other end tube head glass is sealed; Process the glass rectangular tube of an end opening, end sealing; Or glass rectangular tube other end tube head; The glass round tube head that processing expands into, diameter concentricity with the glass rectangular tube and glass rectangular tube diagonal appearance etc. is moulded in heating earlier, and the glass round tube head is sealed in the glass clinkering, is processed into the glass rectangular tube that an end opening, an end seal; On the surface of its plane outer wall, the compound heat absorption rete in one or both sides is processed the rectangle plane heat collecting glass tube; Burning that cover glass Guan Yiduan tube head is flush mouth, the clinkering of cover glass pipe other end tube head glass is sealed, on the glass tube head that seals; Glass welding exhaust nozzle tail pipe is installed the support bullet card that has getter in the cover glass pipe, then the rectangle plane heat collecting glass tube is sleeved in the cover glass pipe; The cover glass mouth of pipe, the rectangle plane heat collection glass mouth of pipe; Ring glass welding sealing by fusing, after internally the outer glass pipe interlayer vacuumizes, the glass sealing exhaust nozzle; The evaporation getter is processed all-glass evacuated rectangular planar collector tube.
2. a kind of all-glass evacuated rectangular planar collector tube according to claim 1; It is characterized in that: the glass rectangular tube glass clinkering of rectangle plane heat collecting glass tube is sealed on the glass tube end socket of formation; The connection of suit symmetry is compounded with the short glass tube end socket of transition that formation is sealed in the clinkering of pipe glass, makes glass rectangular tube end socket one end become the pipe head.
3. a kind of all-glass evacuated rectangular planar collector tube according to claim 1; It is characterized in that: the glass rectangular tube of rectangle plane heat collecting glass tube; Burn mouth with an end; The end socket surface of the glass round tube head that the clinkering of other end glass is sealed, concentricity ring glass welding sealing by fusing is processed the rectangle plane heat collecting glass tube that tail end has one section blank pipe head.
4. a kind of all-glass evacuated rectangular planar collector tube according to claim 1; It is characterized in that: the glass round tube head that processing expands into, diameter concentricity with the glass rectangular tube and glass rectangular tube diagonal appearance etc. is moulded in glass rectangle tube head heating, and is flush, burn mouth; An end is sealed in the clinkering of the glass round tube head that above-mentioned glass round tube head and, diameter concentricity with the glass rectangular tube and glass rectangular tube diagonal appearance etc., an end glass tube clinkering are sealed, the other end burns mouthful; Ring glass welding sealing by fusing is processed the rectangle plane heat collecting glass tube that tail end has one section blank pipe head.
5. a kind of all-glass evacuated rectangular planar collector tube according to claim 1 is characterized in that: the inner surface of glass rectangular tube plane tube wall is inwardly protruded cambered surface.
6. a kind of all-glass evacuated rectangular planar collector tube according to claim 1 is characterized in that: the rectangle plane heat collection glass tube-surface of all-glass evacuated rectangular planar collector tube is through the chemical attack emulsification treatment.
7. a kind of all-glass evacuated rectangular planar collector tube according to claim 1 is characterized in that: the cover glass pipe of all-glass evacuated rectangular planar collector tube is a ultrawhite low-reflection glass pipe.
8. a kind of all-glass evacuated rectangular planar collector tube according to claim 1 is characterized in that: on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar collector tube, vertically be compounded with the reflective mirror that is less than or equal to cover glass pipe one semicanal face; Or on the outer surface of a side pipe wall of rectangle plane heat collecting glass tube, vertically be compounded with reflective mirror; Or on the inside and outside surface of cover glass pipe of all-glass evacuated rectangular planar collector tube, vertically be compounded with less than, equal the reflective mirror of cover glass pipe one semicanal face, on the outer surface of a side pipe wall of rectangle plane heat collecting glass tube, also vertically be compounded with reflective mirror.
9. a kind of all-glass evacuated rectangular planar collector tube according to claim 1; It is characterized in that: on the tube wall of all-glass evacuated rectangular planar collector tube cover glass pipe; Be provided with Fresnel Lenses or convex lens, strip Fresnel Lenses or convex lens vertically are located on the both sides cover glass pipe circular arc tube wall between cover glass pipe diameter and the string parallel with diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103019095A CN101598395B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar collector tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103019095A CN101598395B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar collector tube |
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| Publication Number | Publication Date |
|---|---|
| CN101598395A CN101598395A (en) | 2009-12-09 |
| CN101598395B true CN101598395B (en) | 2012-12-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008103019095A Expired - Fee Related CN101598395B (en) | 2008-06-02 | 2008-06-02 | All-glass evacuated rectangular planar collector tube |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952724A (en) * | 1974-06-24 | 1976-04-27 | Owens-Illinois, Inc. | Solar energy converter |
| US4649903A (en) * | 1982-03-07 | 1987-03-17 | Nitto Kohki Co., Ltd. | Solar heat collector |
| DE19821137B4 (en) * | 1998-05-12 | 2005-04-28 | Schott Ag | tube collector |
| CN2769777Y (en) * | 2004-10-26 | 2006-04-05 | 海宁市爱家伟业电器有限公司 | Solar water heater having thermal-collecting vacuum tube with light-focusing reflective layer |
| CN2833430Y (en) * | 2005-10-13 | 2006-11-01 | 王恒月 | Semi-circle light-focusing type full glass vacuum heat collection pipe |
| CN101008528A (en) * | 2007-01-22 | 2007-08-01 | 于学德 | Profiled inner pipe all-glass vacuum solar collector tube |
| CN201047681Y (en) * | 2007-07-16 | 2008-04-16 | 哈尔滨理工大学 | Solar water heater high-efficiency vacuum thermal-collecting tube |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4834066A (en) * | 1985-12-23 | 1989-05-30 | The University Of Sydney | Evacuated solar collector tube |
-
2008
- 2008-06-02 CN CN2008103019095A patent/CN101598395B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3952724A (en) * | 1974-06-24 | 1976-04-27 | Owens-Illinois, Inc. | Solar energy converter |
| US4649903A (en) * | 1982-03-07 | 1987-03-17 | Nitto Kohki Co., Ltd. | Solar heat collector |
| DE19821137B4 (en) * | 1998-05-12 | 2005-04-28 | Schott Ag | tube collector |
| CN2769777Y (en) * | 2004-10-26 | 2006-04-05 | 海宁市爱家伟业电器有限公司 | Solar water heater having thermal-collecting vacuum tube with light-focusing reflective layer |
| CN2833430Y (en) * | 2005-10-13 | 2006-11-01 | 王恒月 | Semi-circle light-focusing type full glass vacuum heat collection pipe |
| CN101008528A (en) * | 2007-01-22 | 2007-08-01 | 于学德 | Profiled inner pipe all-glass vacuum solar collector tube |
| CN201047681Y (en) * | 2007-07-16 | 2008-04-16 | 哈尔滨理工大学 | Solar water heater high-efficiency vacuum thermal-collecting tube |
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| CN101598395A (en) | 2009-12-09 |
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