CN102200352B - Full vacuum flat-plate solar collector - Google Patents
Full vacuum flat-plate solar collector Download PDFInfo
- Publication number
- CN102200352B CN102200352B CN2011101495614A CN201110149561A CN102200352B CN 102200352 B CN102200352 B CN 102200352B CN 2011101495614 A CN2011101495614 A CN 2011101495614A CN 201110149561 A CN201110149561 A CN 201110149561A CN 102200352 B CN102200352 B CN 102200352B
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- China
- Prior art keywords
- glass
- plate
- panel
- vacuum
- solar collector
- 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
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 60
- 239000002184 metal Substances 0.000 claims abstract description 60
- 239000011521 glass Substances 0.000 claims abstract description 50
- 238000003466 welding Methods 0.000 claims abstract description 12
- 239000006096 absorbing agent Substances 0.000 claims description 22
- 229910000838 Al alloy Inorganic materials 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 10
- 239000002250 absorbent Substances 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 239000005331 crown glasses (windows) Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 230000004907 flux Effects 0.000 claims 1
- 238000004021 metal welding Methods 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000007769 metal material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
- F24S10/75—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
- F24S10/753—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations the conduits being parallel to each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S2025/01—Special support components; Methods of use
- F24S2025/011—Arrangements for mounting elements inside solar collectors; Spacers inside solar collectors
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar collector, comprising a solar heat exchanger and a chamber. The solar collector is characterized in that the solar heat exchanger comprises a main liquid inlet pipe and a main liquid outlet pipe, which are communicated with each other through at least two heat absorption pipes; a heat absorption plate is tightly contacted with the heat absorption surface of each heat absorption pipe; the chamber is a vacuum chamber in which the solar heat exchanger is arranged; the vacuum chamber consists of a panel, a soleplate and a metal frame along the peripheries of the panel and the soleplate, the panel is a glass panel, the soleplate is a glass or metal plate, the periphery of the glass is a metal band which is stuck to the periphery integrally, the seal is realized by welding the panel and the metal material at the periphery of the soleplate; a positioning device consisting of a positioning bracket and a supporter is arranged between the panel and the soleplate; the supporter is fixed by the positioning bracket, and the support passes through the corresponding hole in the heat absorption plate to be supported between the panel and the soleplate; and the vacuum degree of the vacuum chamber is 1.33*10-1 to 1.33*10-5Pa.
Description
Technical field
The present invention relates to a kind of solar thermal collector, especially a kind of vacuum flat-plate solar collector.
Background technology
Solar energy is a kind of high efficient energy sources, and can not cause environmental pollution, and along with the development of science and technology, the application of solar energy is more and more wider.
In many Application of Solar Energy field, solar thermal collector is early used by people, and focusing solar thermal collector is arranged, and the endothermic solar heat collector is also arranged, and especially uses more extensive with the endothermic solar heat collector.
In the endothermic solar heat collector, having a kind of is to adopt the high efficiency heat absorption pipe, is the glass blind pipe suit by two different diameters, and beginning end flame burns and melts sealing-in and vacuumize and make., this heating tube, its glass tube that adopts transportation, install and the process used in very easily damage, and when installing owing to having the gap between pipe, the unit are heat absorption efficiency is descended.Also having a kind of is traditional flat-plate collector, and it mainly is the heat that absorbs the sun by collecting plate, directly transmits one group of water pipe, makes the liquid in the water pipe obtain heat.This solar heat permutoid, although structure is simple, a large amount of heat energy that absorb scatter and disappear again by light penetrating panel, so efficient is not high.
No matter be which kind of heat collector, its solar heat permutoid all is to be exposed in the natural environment, in the conduction, tends to lose a part of part heat in the convection current of air, affects the utilization rate of solar energy.
How to improve the utilization rate of solar energy, be the long-term problem of paying close attention in this area always.According to the knowledge of the applicant, whole solar energy heating unit is placed the vacuum insulation environment, have no at present report.
Summary of the invention
The object of the invention is to: the processing cost that exists for present solar heat permutoid, or the thermal efficiency is not high, or volume is excessive, or the series of problems such as composite assembly difficulty in using provide a kind of new vacuum flat-plate solar collector.
The object of the present invention is achieved like this: a kind of vacuum flat-plate solar collector comprises that solar heat permutoid and chamber is characterized in that:
A) described solar heat permutoid comprises a feed liquor house steward and a fluid house steward, and feed liquor house steward and fluid house steward are linked up them by two endothermic tubes at least; The heat-absorbent surface close contact of an absorber plate and each endothermic tube; Described chamber is vacuum chamber, and the solar heat permutoid places vacuum chamber, and feed liquor house steward and fluid house steward have at least an end to stretch out vacuum chamber;
B) described vacuum chamber comprises the identical panel of geometry, base plate, and be the metal frame of rectangle along cross section that their peripheries arrange, described panel is glass, described base plate is glass or metallic plate, described glass periphery is the metal tape that sticks to one with glass, metal tape stretches out, and surmounts the edge of glass; The sealing of vacuum chamber is to realize by the metal tape of glass periphery in panel and the base plate and the welding between the metal frame, or in the panel glass periphery metal tape and realize as metallic plate and the welding between the metal frame of base plate;
C) also be provided with bracing or strutting arrangement between panel and the base plate, described bracing or strutting arrangement is comprised of locating support and supporter, and locating support is between endothermic tube and base plate, and described supporter is evenly distributed in the slit of adjacent endothermic tube;
D) described absorber plate is provided with the hole corresponding with supporter, and supporter is fixed by locating support, and the corresponding aperture that supporter passes in the absorber plate is supported between panel and the base plate;
E) vacuum of vacuum chamber is 1.33 * 10
-1～1.33 * 10
-5Pa.
In the present invention, the heat-absorbent surface close contact of described absorber plate and each endothermic tube refers to: the heat-absorbent surface of absorber plate and each endothermic tube is solidified as a whole by welding, or absorber plate and each endothermic tube are cast as one.
The actual gross thickness of the absorber plate that in the present invention, is solidified as a whole or is cast as one by welding and endothermic tube is less than 30mm.
In the present invention, described glass for panel is the high crown glass of translucidus, and glass periphery sticks to one by low-melting glass and metal tape.
In the present invention, contain energy absorbing regions and weld zone in the one section metal tape that surmounts glass that stretches out, the weld zone is positioned at the outer end of metal tape, and energy absorbing regions is between weld zone and glass edge edge, and described energy absorbing regions is corrugated or polyline shaped.
In the present invention, be placed with getter or vacuum detection probe in the described vacuum chamber.
In the present invention, the section bar cross section of processing metal frame is hollow, rectangular, in the square-section of hollow, is provided with air drain or pore towards the wall of vacuum chamber, and described getter or vacuum detection probe are located at the hollow region of rectangle.
In the present invention, also be provided with aluminum alloy frame at vacuum flat-plate solar collector periphery, the section bar cross section of aluminum alloy frame is "] " shape, the metal frame of panel and base plate periphery is flush-mounted in the aluminum alloy frame.
In the present invention, when described metal frame embeds aluminum alloy frame, be provided with heat insulation layer between metal frame and the aluminum alloy frame.
The invention has the advantages that: because the present invention places the vacuum heat-preserving cavity with whole solar energy heating unit, eliminated gaseous exchange heat radiation in the heat collector, effectively isolate the heat conduction of thermal-arrest unit counter plate and base plate, greatly improved the thermal efficiency of heat collector.Take panel as example, even if the temperature of thermal-arrest unit heat absorbing part reaches 300 degree, as the glass of panel, its surperficial observed temperature can not surpass 30 degree with respect to the temperature rise of environment temperature yet; Because the glass periphery at panel is provided with the metal tape that is solidified as a whole, especially also be provided with energy absorbing regions on the metal tape, not only effectively solved local expanding with heat and contract with cold and rapid heat cycle and the glass rupture that causes and to the harmful effect of peripheral sealing, and effectively solved flat plate collector can't be in the difficult problem of condition of high temperature work; Because the heat-absorbent surface of absorber plate and each endothermic tube is solidified as a whole by welding, or absorber plate and each endothermic tube be cast as one, compact conformation, and the thickness of thermal-arrest unit can be controlled at below the 30mm; Because the present invention has mainly utilized the vacuum insulation function, can avoid using a large amount of insulation materials, the environmental pollution that reduces or avoid causing because changing insulation material in the maintenance process; Because vacuum flat-plate solar collector periphery also is provided with aluminum alloy frame, can avoid carrying with installation process in damage that heat collector is caused.
Description of drawings
Fig. 1 is the cross section structure schematic diagram of the periphery glass that contains metal tape;
Fig. 2 is the glass schematic diagram of energy absorbing regions and weld zone in a kind of peripheral metal tape;
Fig. 3 is the glass schematic diagram of energy absorbing regions and weld zone in the another kind of peripheral metal tape;
Fig. 4 is the glass schematic diagram of energy absorbing regions and weld zone in another peripheral metal tape;
Fig. 5 is a kind of vacuum chamber structure schematic diagram;
Fig. 6 is another kind of vacuum chamber structure schematic diagram;
Fig. 7 is the support device structure schematic diagram in the vacuum chamber;
Fig. 8 is the structural representation of solar heat permutoid in the vacuum chamber;
Fig. 9 is one embodiment of the present of invention structural representations.
Among the figure: 1, glass, 2, metal tape, 3, low-melting glass, 4, aluminum alloy frame, 5, metal frame, 6, vacuum chamber, 7, supporter, 8, absorber plate, 9, metallic plate, 10, locating support, 11, endothermic tube, 12, getter, 13, probe, 14, the feed liquor house steward, 15, fluid house steward.
The specific embodiment
As seen from Figure 1, the glass that the present invention uses is to be provided with the metal tape 2 that is solidified as a whole in glass 1 conduct, and metal tape 2 stretches out, and surmounts the edge of glass 1.In the present embodiment, glass 1 adopts the good crown glass of light transmission, sticks to one by low-melting glass between glass and the metal tape 2.
The difference of Fig. 2 and Fig. 1 is, contains energy absorbing regions and weld zone in the one section metal tape 2 that surmounts glass 1 that stretches out, and the weld zone is positioned at the outer end of metal tape, and energy absorbing regions is between weld zone and glass edge edge, and described energy absorbing regions is polyline shaped.
The difference of Fig. 3 and Fig. 2 is, described energy absorbing regions is corrugated.
The difference of Fig. 4 and Fig. 2 is, described energy absorbing regions is the polyline shaped of another kind of form.By 5 as seen, vacuum chamber 6 comprises panel, base plate and metal frame 5, in the present embodiment, described panel and base plate all adopt as shown in Figure 2 glass 1 and metal frame 5 to form, vacuum chamber 6 is provided with in the vacuum chamber 6 and is evenly distributed with supporter 7 by weld zone in the metal tape 2 of glass 1 periphery and metal frame 5 welding; In addition, the section bar cross section of processing metal frame 5 is hollow, rectangular, in the square-section of hollow, is provided with air drain or pore towards the wall of vacuum chamber 5, also is provided with the probe 13 of vacuum detecting unit in the hollow region of rectangle.
The difference of Fig. 6 and Fig. 5 only is, what form that the base plate of vacuum chamber 5 selects is metallic plate 9, and therefore, the bottom of described metal frame 5 welds with metallic plate.In the present embodiment, what metal base plate adopted is corrosion resistant plate.During implementation, cause thermal loss in order to prevent metal base plate, also can be at the lower surface paste heat-preserving material of metal base plate.
No matter be Fig. 5 or Fig. 6, the vacuum of vacuum chamber 6 is 1.33 * 10
-1～1.33 * 10
-5Pa.
As seen from Figure 7, bracing or strutting arrangement comprises locating support 10 and supporter 7, and supporter 7 is positioned in the locating support 10.
As seen from Figure 8, the solar heat permutoid comprises a feed liquor house steward 14 and a fluid house steward 15, and feed liquor house steward 14 and fluid house steward 15 are linked up them by two endothermic tubes 11 at least; The heat-absorbent surface close contact of an absorber plate 8 and each endothermic tube 11.In the present embodiment, also be provided with the hole corresponding with supporter on the absorber plate 8, described hole is between adjacent endothermic tube 11.During implementation, described absorber plate 8 can be solidified as a whole by welding with the heat-absorbent surface of each endothermic tube 11, also absorber plate 8 and each endothermic tube 11 can be cast as one.
Fig. 9 is the embodiment with Fig. 5, Fig. 7 and Fig. 8 assembling, as seen from the figure, the unleaded vacuum chamber 6 that places of solar heat permutoid, the locating support 10 of bracing or strutting arrangement is being positioned between endothermic tube 11 and the base plate, and described supporter 7 is evenly distributed in the slit of adjacent endothermic tube 11; After supporter 7 is fixing by locating support, pass and absorber plate 8 in corresponding aperture be supported between panel and the base plate, during assembling, feed liquor house steward 14 and fluid house steward 15 have at least an end to stretch out vacuum chamber 6.
In the present embodiment, described panel and base plate all are to adopt glass 1 shown in Figure 2, in order to ensure the vacuum of vacuum chamber 6, have also placed getter 12 in vacuum chamber 6.
In the present embodiment, also be provided with aluminum alloy frame 4 at vacuum flat-plate solar collector periphery, the section bar cross section of aluminum alloy frame 4 is "] " shape, the metal frame 5 of panel and base plate periphery is flush-mounted in the aluminum alloy frame 4.
During implementation, in order to prevent the thermal loss of metal frame 5, when metal frame 5 embeds aluminum alloy frame 4, can be provided with heat insulation layer between metal frame 5 and the aluminum alloy frame 4.
Above each embodiment is not to concrete restriction of the present invention; as long as the common staff of this area; basic general knowledge in conjunction with this area; under the enlightenment of the embodiment of the invention, carry out the improvement of unstructuredness; for example described improvement only limits to the selection to supporter 4 materials and fixed form; or to the variation of probe 9 placement locations of getter 8 and vacuum detecting unit; or to the variation of the material of metallic plate 9 in metal tape 2, metal frame 5, the base plate, shape, function combination and getter 8 types, still fall into the protection domain of claim of the present invention.
Claims (9)
1. a vacuum flat-plate solar collector comprises solar heat permutoid and chamber, it is characterized in that:
A) described solar heat permutoid comprises a feed liquor house steward and a fluid house steward, and feed liquor house steward and fluid house steward are linked up them by two endothermic tubes at least; The heat-absorbent surface close contact of an absorber plate and each endothermic tube; Described chamber is vacuum chamber, and the solar heat permutoid places vacuum chamber, and feed liquor house steward and fluid house steward have at least an end to stretch out vacuum chamber;
B) described vacuum chamber comprises the identical panel of geometry, base plate, and be the metal frame of rectangle along cross section that their peripheries arrange, described panel is glass, described base plate is glass or metallic plate, described glass periphery is the metal tape that sticks to one with glass, metal tape stretches out, and surmounts the edge of glass; The sealing of vacuum chamber is to realize by the metal tape of glass periphery in panel and the base plate and the welding between the metal frame, or in the panel glass periphery metal tape and realize as metallic plate and the welding between the metal frame of base plate;
C) also be provided with bracing or strutting arrangement between panel and the base plate, described bracing or strutting arrangement is comprised of locating support and supporter, and locating support is between panel and base plate, and described supporter is evenly distributed in the slit of adjacent endothermic tube;
D) described absorber plate is provided with the hole corresponding with supporter, and supporter is fixed by locating support, and the corresponding aperture that supporter passes in the absorber plate is supported between panel and the base plate;
E) vacuum of vacuum chamber is 1.33 * 10
-1～1.33 * 10
-5Pa.
2. vacuum flat-plate solar collector according to claim 1, it is characterized in that: the heat-absorbent surface close contact of described absorber plate and each endothermic tube refers to: the heat-absorbent surface of absorber plate and each endothermic tube is solidified as a whole by welding, or absorber plate and each endothermic tube are cast as one.
3. vacuum flat-plate solar collector according to claim 2 is characterized in that: the absorber plate that is solidified as a whole or is cast as one by welding and the actual gross thickness of endothermic tube are less than 30mm.
4. vacuum flat-plate solar collector according to claim 1, it is characterized in that: described glass for panel is the high crown glass of translucidus, and glass periphery sticks to one by low-melting glass and metal tape; Or glass periphery sticks to one with low melting-point metal welding flux with metal tape after by plated film.
5. vacuum flat-plate solar collector according to claim 1, it is characterized in that: contain energy absorbing regions and weld zone in the one section metal tape that surmounts glass that stretches out, the weld zone is positioned at the outer end of metal tape, energy absorbing regions is between weld zone and glass edge edge, and described energy absorbing regions is corrugated or polyline shaped.
6. vacuum flat-plate solar collector according to claim 1 is characterized in that: be placed with getter or vacuum detection probe in the described vacuum chamber.
7. vacuum flat-plate solar collector according to claim 6, it is characterized in that: the section bar cross section of processing metal frame is hollow, rectangular, in the square-section of hollow, wall towards vacuum chamber is provided with air drain or pore, and described getter or vacuum detection probe are located at the hollow region of rectangle.
8. described vacuum flat-plate solar collector one of according to claim 1～7, it is characterized in that: also be provided with aluminum alloy frame at vacuum flat-plate solar collector periphery, the section bar cross section of aluminum alloy frame is "] " shape, the metal frame of panel and base plate periphery is flush-mounted in the aluminum alloy frame.
9. vacuum flat-plate solar collector according to claim 8 is characterized in that: when described metal frame embeds aluminum alloy frame, be provided with heat insulation layer between metal frame and the aluminum alloy frame.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101495614A CN102200352B (en) | 2011-05-31 | 2011-05-31 | Full vacuum flat-plate solar collector |
| PCT/CN2011/076501 WO2012162920A1 (en) | 2011-05-31 | 2011-06-28 | Evacuated flat plate solar collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101495614A CN102200352B (en) | 2011-05-31 | 2011-05-31 | Full vacuum flat-plate solar collector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102200352A CN102200352A (en) | 2011-09-28 |
| CN102200352B true CN102200352B (en) | 2013-01-02 |
Family
ID=44661220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101495614A Expired - Fee Related CN102200352B (en) | 2011-05-31 | 2011-05-31 | Full vacuum flat-plate solar collector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102200352B (en) |
| WO (1) | WO2012162920A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916871A (en) * | 1973-06-26 | 1975-11-04 | James M Estes | Flat plate solar collector module |
| US4289113A (en) * | 1979-07-27 | 1981-09-15 | Whittemore Peter G | Evacuated flat-plate solar collectors |
| CN1856683A (en) * | 2004-01-22 | 2006-11-01 | 欧洲原子能研究组织 | Evacuable flat panel solar collector |
| CN2903800Y (en) * | 2006-02-27 | 2007-05-23 | 刘元生 | Plate type glass vacuum solar energy heat collector |
| CN201302310Y (en) * | 2008-11-20 | 2009-09-02 | 俞祖文 | Vacuum flatbed solar thermal collector |
| CN202101433U (en) * | 2011-05-31 | 2012-01-04 | 朱雷 | Full-vacuum flat-plate solar collector |
-
2011
- 2011-05-31 CN CN2011101495614A patent/CN102200352B/en not_active Expired - Fee Related
- 2011-06-28 WO PCT/CN2011/076501 patent/WO2012162920A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3916871A (en) * | 1973-06-26 | 1975-11-04 | James M Estes | Flat plate solar collector module |
| US4289113A (en) * | 1979-07-27 | 1981-09-15 | Whittemore Peter G | Evacuated flat-plate solar collectors |
| CN1856683A (en) * | 2004-01-22 | 2006-11-01 | 欧洲原子能研究组织 | Evacuable flat panel solar collector |
| CN2903800Y (en) * | 2006-02-27 | 2007-05-23 | 刘元生 | Plate type glass vacuum solar energy heat collector |
| CN201302310Y (en) * | 2008-11-20 | 2009-09-02 | 俞祖文 | Vacuum flatbed solar thermal collector |
| CN202101433U (en) * | 2011-05-31 | 2012-01-04 | 朱雷 | Full-vacuum flat-plate solar collector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102200352A (en) | 2011-09-28 |
| WO2012162920A1 (en) | 2012-12-06 |
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| CP02 | Change in the address of a patent holder |
Address after: 210030, No. 291, Wen Xi Road, Gaochun County, Jiangsu, Nanjing Patentee after: Zhu Lei Address before: 210003 room 7, building 4, 202, Gulou new gate, Gulou District, Jiangsu, Nanjing Patentee before: Zhu Lei |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190709 Address after: 210032 No. 6 Xinke No. 4 Road, Nanjing High-tech Development Zone, Jiangsu Province Patentee after: NANJING CHENGYUAN SOLAR HEATING Co.,Ltd. Address before: 210030 No. 291 Wenxi Road, Gaochun County, Nanjing City, Jiangsu Province Patentee before: Zhu Lei |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 |
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| CF01 | Termination of patent right due to non-payment of annual fee |