CN102200352A - Full vacuum flat-plate solar collector - Google Patents
Full vacuum flat-plate solar collector Download PDFInfo
- Publication number
- CN102200352A CN102200352A CN2011101495614A CN201110149561A CN102200352A CN 102200352 A CN102200352 A CN 102200352A CN 2011101495614 A CN2011101495614 A CN 2011101495614A CN 201110149561 A CN201110149561 A CN 201110149561A CN 102200352 A CN102200352 A CN 102200352A
- Authority
- CN
- China
- Prior art keywords
- plate
- glass
- 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.)
- Granted
Links
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
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 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 has focusing solar thermal collector than early being used by people, and the endothermic solar heat collector is also arranged, and uses more extensive with the endothermic solar heat collector especially.
In the endothermic solar heat collector, having a kind of is to adopt efficient endothermic tube, 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 have 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 the thermal-arrest plate, directly transmits one group of water pipe, makes the liquid in the water pipe obtain heat.This solar heat permutoid, though 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, influences solar energy utilization rate.
How to improve solar energy utilization rate, 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, do not appear in the newspapers at present.
Summary of the invention
The objective of the invention is to: the processing cost that exists at present solar heat permutoid, or the thermal efficiency is not high, or volume is excessive, or a 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; An absorber plate closely contacts with the heat-absorbent surface of each endothermic tube; Described chamber is a 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 are provided with, described panel is a glass, described base plate is glass or metallic plate, described glass periphery is the metal tape that sticks to one, metal tape stretches out, and surmounts the edge of glass; The sealing of vacuum chamber is 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 as the metallic plate of base plate and the welding between the metal frame;
C) also be provided with bracing or strutting arrangement between panel and the base plate, described bracing or strutting arrangement is made up 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, supporter pass and absorber plate in corresponding aperture be 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 of described absorber plate and each endothermic tube closely contacts and is meant: 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.
In the present invention, the actual (real) thickness of absorber plate that is solidified as a whole or is cast as one by welding and endothermic tube is less than 30mm.
In the present invention, the described glass that is used 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 a hollow, rectangular, in the square-section of hollow, is provided with air drain or pore towards the wall of vacuum chamber, and the probe of described getter or vacuum detecting unit is 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, isolate the heat conduction of thermal-arrest unit counter plate and base plate effectively, improved the thermal efficiency of heat collector greatly.With the panel is 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 solved local expanding with heat and contract with cold and rapid heat cycle and the glass that causes bursts and to the harmful effect of periphery sealing effectively, and solved flat plate collector effectively 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 of the replacing 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 a polyline shaped.
The difference of Fig. 3 and Fig. 2 is that described energy absorbing regions is a corrugated.
The difference of Fig. 4 and Fig. 2 is that 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 a 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 that what the base plate of composition vacuum chamber 5 was selected 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 concrete enforcement, 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, vacuum chamber, 6 vacuum is 1.33X10～10
-2Pa.
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; An absorber plate 8 closely contacts with the heat-absorbent surface of 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 concrete enforcement, 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; Supporter 7 by locating support fixing after, 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 concrete enforcement,, 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 in order to prevent the thermal loss of metal frame 5.
More than each embodiment be 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, still fall into the protection domain of claim of the present invention 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.
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; An absorber plate closely contacts with the heat-absorbent surface of each endothermic tube; Described chamber is a 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 are provided with, described panel is a glass, described base plate is glass or metallic plate, described glass periphery is the metal tape that sticks to one, metal tape stretches out, and surmounts the edge of glass; The sealing of vacuum chamber is 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 as the metallic plate of base plate and the welding between the metal frame;
C) also be provided with bracing or strutting arrangement between panel and the base plate, described bracing or strutting arrangement is made up 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, supporter pass and absorber plate in corresponding aperture be 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 of described absorber plate and each endothermic tube closely contacts and is meant: 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 (real) thickness of endothermic tube are less than 30mm.
4. vacuum flat-plate solar collector according to claim 1 is characterized in that: the described glass that is used 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 the low-melting-point metal scolder 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 a hollow, rectangular, in the square-section of hollow, wall towards vacuum chamber is provided with air drain or pore, and the probe of described getter or vacuum detecting unit is located at the hollow region of rectangle.
8. according to the described vacuum flat-plate solar collector of one of 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 true CN102200352A (en) | 2011-09-28 |
| CN102200352B CN102200352B (en) | 2013-01-02 |
Family
ID=44661220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101495614A Active 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 active Active
- 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 |
|---|---|
| CN102200352B (en) | 2013-01-02 |
| WO2012162920A1 (en) | 2012-12-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203385218U (en) | Flat plate solar collector | |
| CN202101433U (en) | Full-vacuum flat-plate solar collector | |
| CN103759432B (en) | A kind of Superthin superconducting-typeheat heat absorbing plate core and flat-plate solar collector | |
| WO2011140688A1 (en) | Integrated flat-plate solar collector | |
| CN102200352B (en) | Full vacuum flat-plate solar collector | |
| CN103411321B (en) | A kind of flat type solar heat collector | |
| CN200961960Y (en) | Groove type light-collecting type hot pipe type solar energy boiler device | |
| CN201852334U (en) | Solar collector tube | |
| CN104266370A (en) | Flat plate collector vacuumized under control of photovoltaic panels | |
| CN103574933A (en) | Heating medium superconductive tube sheet integrated collector | |
| CN201706712U (en) | Integrated solar flat heat collector | |
| WO2004001302A1 (en) | Hanging glass vacuum tube type solar heat collector | |
| CN101975477A (en) | Solar collector | |
| CN202955881U (en) | Heating medium superconducting tube plate integration collector | |
| CN202350346U (en) | High-efficiency solar heat collector | |
| CN102242976A (en) | Solar heat collector | |
| CN102367999A (en) | High-efficiency solar heat collector | |
| CN203036886U (en) | Heating medium superconduction tube plate integrated heat collector plate core | |
| CN201522113U (en) | Vacuum sealed sunning solar water heater | |
| CN203443147U (en) | Flat type solar heat collector | |
| CN201935423U (en) | Single-side photic solar gas-liquid two-phase plate-type collector | |
| CN202149624U (en) | Solar heat collector | |
| CN203561088U (en) | Instantly-available vacuum panel solar water heater | |
| CN205843076U (en) | A kind of vertical all-glass heat pipe pressure-bearing heat collector | |
| CN202494239U (en) | Heat pipe type vacuum pipe with heat-shielding plate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| 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 |
|
| TR01 | Transfer of patent right | ||
| 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 |