CN105783286A - Novel through evacuated collector tube and solar air heat collecting system assembled through novel through evacuated collector tube - Google Patents
Novel through evacuated collector tube and solar air heat collecting system assembled through novel through evacuated collector tube Download PDFInfo
- Publication number
- CN105783286A CN105783286A CN201610277015.1A CN201610277015A CN105783286A CN 105783286 A CN105783286 A CN 105783286A CN 201610277015 A CN201610277015 A CN 201610277015A CN 105783286 A CN105783286 A CN 105783286A
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- Prior art keywords
- tube
- heat collection
- vacuum heat
- novel
- collection pipe
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Classifications
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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
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
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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)
- Joining Of Glass To Other Materials (AREA)
- Thermal Insulation (AREA)
Abstract
The invention provides a safe and stable novel through evacuated collector tube and a solar air heat collecting system assembled through the novel through evacuated collector tube. The novel through evacuated collector tube comprises an outer tube body and an inner tube body arranged inside the outer tube body; the inner tube body are a through tube with openings in the two ends, and a vacuum cavity is arranged between the outer tube body and the inner tube body; a metal tube is arranged in the inner tube body, and the outer wall of the metal tube is provided with a selective coating used for absorbing solar energy; the metal tube is provided with a notch penetrating the upper end and the lower end of the metal tube; the inner tube body is internally provided with a metal tube with a selective coating, the solar energy is mainly absorbed through the metal tube, the temperature difference between the inner tube body and the outer tube body is not large, damage caused by uneven expansion can be avoided, and safety and reliability are achieved; and through a notch of the metal pipe, the inner tube body cannot be extruded to be broken after the metal tube is heated to expand. Connecting parts at the two ends of the novel through evacuated collector tube are in threaded connection with a header through connecting threads, and the sealing performance is better.
Description
Technical field
The present invention relates to solar thermal collection system field, what especially relate to is novel straight-through vacuum heat collection pipe and by the solar air heat collection system of its assembling.
Background technology
Common solar vacuum heat-collecting pipe includes outer glass pipe and inner glass tube generally only has one end to be provided with opening, the outer wall of inner glass tube scribble for improving solar absorptance and reducing the coating of reflectance, the temperature difference of inner glass tube and outer glass pipe is relatively larger, it is easy to because non-homogeneous expansion causes that glass tubing breaks.The end of the vacuum heat collection pipe of general solar thermal collection system is cylindrical, seals grafting by " silica gel ring " with header, and sealing is poor.And must have bigger gap between each vacuum heat collection pipe, affect the solar energy utilization ratio in unit collector area.
Summary of the invention
It is an object of the invention to overcome above-mentioned deficiency, it is provided that the novel straight-through vacuum heat collection pipe of a kind of safety and stability and by the solar air heat collection system of its assembling.
For achieving the above object, the technical solution of the present invention is: novel straight-through vacuum heat collection pipe, and including outer tube and the interior pipe being located in outer tube, described vacuum tube is the straight pipe that two ends are equipped with opening, is provided with vacuum chamber between described outer tube and interior pipe；Being provided with metal tube in said inner tube, the outer wall of described metal tube is provided with the selective coating for absorbing solar energy.
Preferably, described metal tube is provided with through the breach at its two ends.Breach can facilitate metal tube to install, and make metal tube be heated and have expansion space.
Preferably, tinsel it is provided with between said inner tube and metal tube.Tinsel transmits heat for interior pipe to metal tube.
Preferably, the two ends of said inner tube are integrally formed two connector portions with the two ends fusion of outer tube respectively, and described connector portions is provided with connection screw thread.It is connected with header by connecting screw thread, better tightness.
Preferably, the connection screw thread of two connector portions is oppositely oriented.Rotate novel straight-through vacuum heat collection pipe and can dismount two ends simultaneously.
Preferably, the external diameter of described connector portions is less than the external diameter of outer tube.Can be arranged on header by the novel straight-through vacuum heat collection pipe of solid matter.
Preferably, described metal tube is the sheet metal of web-like.The diameter making metal tube is scalable, convenient installation, it is to avoid the active force of the internal pipe of thermal expansion.
A kind of solar air heat collection system, including above-mentioned novel straight-through vacuum heat collection pipe, also includes two spaced headers, and the two ends of described novel straight-through vacuum heat collection pipe are connected with two headers respectively.Solar thermal collection system is solar energy air heat collector.
Preferably, described header is provided with connecting hole, is provided with connection lid in described connecting hole, and the described lid that connects is threadeded with connector portions；Described connection is covered the one end in header and is provided with gear edge.
By adopting above-mentioned technical scheme, the invention has the beneficial effects as follows: the present invention is straight pipe, the metal tube with selective coating is placed in glass inner tube, solar energy is mainly absorbed by metal tube, the glass inner tube of vacuum tube is little with the temperature difference of outer glass tube, breakage will not be caused because of swelling stress inequality, safe and reliable；And metal tube heat conductivity is good, the breach of metal tube makes metal tube have expanded by heating space, will not rack interior pipe；The connecting portion at novel straight-through vacuum heat collection pipe two ends is threadeded with header by connecting screw thread, better tightness；Two joints connect screw thread oppositely oriented, can novel straight-through vacuum heat collection pipe be rotatably connected on two headers simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the sectional view of A-A position in Fig. 1；
Fig. 3 is the structural representation of solar thermal collection system of the present invention；
Fig. 4 is the structural representation that the present invention connects lid；
Fig. 5 is the structural representation of the embodiment of the present invention 2；
Fig. 6 is the sectional view of B-B position in Fig. 5；
Fig. 7 is the structural representation of the embodiment of the present invention 3；
Fig. 8 is the sectional view of C-C position in Fig. 5；
Fig. 9 is the structural representation of the embodiment of the present invention 4；
Figure 10 is the sectional view of D-D position in Fig. 5.
Main Reference Numerals illustrates:
Novel straight-through vacuum heat collection pipe 1；Outer tube 11；Vacuum chamber 12；Interior pipe 13；Metal tube 14；Selective coating 141；Breach 142；Through hole 143；Connector portions 15；Connect screw thread 151；Tinsel 16；Connect lid 2；Gear is along 21；Header 3；Connecting hole 31.
Detailed description of the invention
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
Embodiment 1:
As Figure 1-Figure 2, the novel straight-through vacuum heat collection pipe of the present invention, including outer tube 11 and the interior pipe 13 being located in outer tube 11, outer tube 11 and interior pipe 13 are transparent glass tubing；Said inner tube 13 is equipped with the straight pipe of opening for two ends, is provided with vacuum chamber 12 between described outer tube 11 and interior pipe 13；Being provided with metal tube 14 in said inner tube 12, the outer wall of described metal tube 14 is provided with the selective coating 141 for absorbing solar energy；Being provided with tinsel 16 between said inner tube 13 and metal tube 14, the heat of interior pipe 13 can be passed to metal tube 14 by tinsel 16；The two ends of said inner tube 11 are integrally formed two connector portions 15 with the two ends fusion of outer tube 11 respectively, described connector portions 15 is provided with connection screw thread 151, described connection screw thread 151 is external screw thread, the glass structure that connector portions 15 is integrated with interior pipe 13 and outer tube 11, connects better tightness after screw thread makes connector portions 15 install；Two connector portions 15 connect the oppositely oriented of screw thread 151, one be left hand thread, another be right-handed thread, when novel straight-through vacuum heat collection pipe and the installation of two headers, rotating novel straight-through vacuum heat collection pipe can screw its two ends simultaneously；The external diameter of described connector portions 15 is less than the external diameter of outer tube 11, and the connector portions 15 of small diameter makes novel straight-through vacuum heat collection pipe to be arranged on header by solid matter.
Sunlight is absorbed through outer tube 11 and interior pipe 13 by the selective coating 141 of metal tube 14, and metal tube 14 is heated to heat up, and cold air flows into from one end of novel straight-through vacuum heat collection pipe, flows out from the other end of novel straight-through vacuum heat collection pipe.
As Figure 3-Figure 4, a kind of solar air heat collection system, including above-mentioned novel straight-through vacuum heat collection pipe 1, also include two spaced headers 3, the two ends of described novel straight-through vacuum heat collection pipe 1 are connected with two headers 3 respectively；Described header 3 is provided with connecting hole 31, is provided with connection lid 2 in described connecting hole 31, and the described lid 2 that connects is threadeded with connector portions 15；Connect the external diameter of lid 2 less than the external diameter of outer tube 2, novel straight-through vacuum heat collection pipe 1 solid matter can be made to install；Described lid 2 one end in header 3 that connect are provided with gear along 21, keep off and can prevent connection lid 2 from deviating from from connecting hole 31 along 21.During installation, two connector portions 15 of novel straight-through vacuum thermal-collecting tube 1 are inserted in the connection lid 2 of two headers, rotate novel straight-through vacuum heat collection pipe 1 until header 3 is pushed down on the gear edge connecting lid 2 from inner side.
Embodiment 2:
As shown in Fig. 5-Fig. 6, the novel straight-through vacuum heat collection pipe of the present invention, including outer tube 11 and the interior pipe 13 being located in outer tube 11, outer tube 11 and interior pipe 13 are transparent glass tubing；Said inner tube 13 is equipped with the straight pipe of opening for two ends, is provided with vacuum chamber 12 between described outer tube 11 and interior pipe 13；Being provided with metal tube 14 in said inner tube 12, the outer wall of described metal tube 14 is provided with the selective coating 141 for absorbing solar energy；Being provided with through the breach 142 at its two ends on described metal tube 14, breach 142 can facilitate metal tube to load in interior pipe 13, and will not swarm in interior pipe 13 during metal tube 14 expanded by heating；The two ends of said inner tube 11 are integrally formed two connector portions 15 with the two ends fusion of outer tube 11 respectively, described connector portions 15 is provided with connection screw thread 151, described connection screw thread 151 is female thread, the glass structure that connector portions 15 is integrated with interior pipe 13 and outer tube 11, connects better tightness after screw thread makes connector portions 15 install；Two connector portions 15 connect the oppositely oriented of screw thread 151, one be left hand thread, another be right-handed thread, when novel straight-through vacuum heat collection pipe and the installation of two headers, rotating novel straight-through vacuum heat collection pipe can screw its two ends simultaneously；The external diameter of described connector portions 15 is less than the external diameter of outer tube 11, and the connector portions 15 of small diameter makes novel straight-through vacuum heat collection pipe to be arranged on header by solid matter.
Embodiment 3:
As shown in Figs. 7-8, the novel straight-through vacuum heat collection pipe of the present invention, including outer tube 11 and the interior pipe 13 being located in outer tube 11, outer tube 11 and interior pipe 13 are transparent glass tubing；Said inner tube 13 is equipped with the straight pipe of opening for two ends, is provided with vacuum chamber 12 between described outer tube 11 and interior pipe 13；Being provided with metal tube 14 in said inner tube 12, the outer wall of described metal tube 14 is provided with the selective coating 141 for absorbing solar energy；Described metal tube 14 is the sheet metal being rolled into a roll, the sheet metal of rolling can facilitate metal tube 14 to shrink in the interior pipe 13 of loading, interior pipe 13 will not be swarmed in during metal tube 14 expanded by heating, the two ends of said inner tube 11 are integrally formed two connector portions 15 with the two ends fusion of outer tube 11 respectively, described connector portions 15 is provided with connection screw thread 151, described connection screw thread 151 is external screw thread, the glass structure that connector portions 15 is integrated with interior pipe 13 and outer tube 11, connects better tightness after screw thread makes connector portions 15 install；Two connector portions 15 connect the oppositely oriented of screw thread 151, one be left hand thread, another be right-handed thread, when novel straight-through vacuum heat collection pipe and the installation of two headers, rotating novel straight-through vacuum heat collection pipe can screw its two ends simultaneously；The external diameter of described connector portions 15 is less than the external diameter of outer tube 11, and the connector portions 15 of small diameter makes novel straight-through vacuum heat collection pipe to be arranged on header by solid matter.
Sunlight is absorbed through outer tube 11 and interior pipe 13 by the selective coating 141 of metal tube 14, and metal tube 14 is heated to heat up, and cold air flows into from one end of novel straight-through vacuum heat collection pipe, flows out from the other end of novel straight-through vacuum heat collection pipe.
Embodiment 4:
As shown in Fig. 9-Figure 10, the novel straight-through vacuum heat collection pipe of the present invention, including outer tube 11 and the interior pipe 13 being located in outer tube 11, outer tube 11 and interior pipe 13 are transparent glass tubing；Said inner tube 13 is equipped with the straight pipe of opening for two ends, is provided with vacuum chamber 12 between described outer tube 11 and interior pipe 13；Being provided with metal tube 14 in said inner tube 12, the outer wall of described metal tube 14 is provided with the selective coating 141 for absorbing solar energy；Being provided with through the breach 142 at its two ends on described metal tube 14, breach 142 can facilitate metal tube to load in interior pipe 13, and will not swarm in interior pipe 13 during metal tube 14 expanded by heating；Described metal tube 14 is communicated with the through hole 143 of its surfaces externally and internally, the two ends of said inner tube 11 are integrally formed two connector portions 15 with the two ends fusion of outer tube 11 respectively, described connector portions 15 is provided with connection screw thread 151, described connection screw thread 151 is external screw thread, the glass structure that connector portions 15 is integrated with interior pipe 13 and outer tube 11, connects better tightness after screw thread makes connector portions 15 install；Two connector portions 15 connect the oppositely oriented of screw thread 151, one be left hand thread, another be right-handed thread, when novel straight-through vacuum heat collection pipe and the installation of two headers, rotating novel straight-through vacuum heat collection pipe can screw its two ends simultaneously；The external diameter of described connector portions 15 is less than the external diameter of outer tube 11, and the connector portions 15 of small diameter makes novel straight-through vacuum heat collection pipe to be arranged on header by solid matter.
Sunlight is absorbed through outer tube 11 and interior pipe 13 by the selective coating 141 of metal tube 14, and metal tube 14 is heated to heat up, and cold air flows into from one end of novel straight-through vacuum heat collection pipe, flows out from the other end of novel straight-through vacuum heat collection pipe.
Above-described, it is only presently preferred embodiments of the present invention, it is impossible to limiting the scope that this practicality is implemented, every equalization made according to the present patent application the scope of the claims changes and decoration, all should still fall within the scope that the present invention contains.
Claims (10)
1. novel straight-through vacuum heat collection pipe, including outer tube and the interior pipe being located in outer tube, said inner tube is the straight pipe that two ends are equipped with opening, is provided with vacuum chamber between described outer tube and interior pipe；It is characterized in that: be provided with metal tube in said inner tube, the outer wall of described metal tube is provided with the selective coating for absorbing solar energy.
2. novel straight-through vacuum heat collection pipe according to claim 1, it is characterised in that: described metal tube is provided with through the breach at its two ends.
3. novel straight-through vacuum heat collection pipe according to claim 1, it is characterised in that: it is filled with tinsel between said inner tube and metal tube.
4. novel straight-through vacuum heat collection pipe according to claim 1, it is characterised in that: the two ends of said inner tube are integrally formed two connector portions with the two ends fusion of outer tube respectively, and described connector portions is provided with connection screw thread.
5. novel straight-through vacuum heat collection pipe according to claim 4, it is characterised in that: two connector portions connect screw thread oppositely oriented.
6. novel straight-through vacuum heat collection pipe according to claim 4, it is characterised in that: the external diameter of described connector portions is less than the external diameter of outer tube.
7. novel straight-through vacuum heat collection pipe according to claim 1, it is characterised in that: described metal tube is communicated with the through hole of surfaces externally and internally.
8. novel straight-through vacuum heat collection pipe according to claim 1, it is characterised in that: described metal tube is the sheet metal of web-like.
9. the solar thermal collection system of the novel straight-through vacuum heat collection pipe included described in claim 1-8 any one, it is characterised in that: also including two spaced headers, the two ends of described novel straight-through vacuum heat collection pipe are connected with two headers respectively.
10. solar thermal collection system according to claim 9, it is characterised in that: described header is provided with connecting hole, is provided with connection lid in described connecting hole, and the described lid that connects is threadeded with connector portions；Described connection is covered the one end in header and is provided with gear edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277015.1A CN105783286B (en) | 2016-04-30 | 2016-04-30 | Straight-through vacuum thermal-collecting tube and the solar air heat collection system assembled by it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610277015.1A CN105783286B (en) | 2016-04-30 | 2016-04-30 | Straight-through vacuum thermal-collecting tube and the solar air heat collection system assembled by it |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105783286A true CN105783286A (en) | 2016-07-20 |
| CN105783286B CN105783286B (en) | 2018-12-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610277015.1A Active CN105783286B (en) | 2016-04-30 | 2016-04-30 | Straight-through vacuum thermal-collecting tube and the solar air heat collection system assembled by it |
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| CN (1) | CN105783286B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692465A (en) * | 2017-03-08 | 2018-10-23 | 青岛经济技术开发区海尔热水器有限公司 | A kind of solar water heater |
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| JPS57182046A (en) * | 1981-04-30 | 1982-11-09 | Hitachi Ltd | Vacuum tube type solar heat collector |
| CN2037050U (en) * | 1988-08-26 | 1989-05-03 | 贝聿昆 | Air-heating type all-weather solar heat collector |
| CN1216817A (en) * | 1997-10-30 | 1999-05-19 | 中国科学院工程热物理研究所 | Metallic solar energy vacuum collector |
| CN2482028Y (en) * | 2001-06-15 | 2002-03-13 | 张建城 | Solar vacuum heat-collecting tube |
| CN1467165A (en) * | 2002-07-11 | 2004-01-14 | 一品光学工业股份有限公司 | Metal mold of moulding glass |
| CN2709874Y (en) * | 2004-04-13 | 2005-07-13 | 赵宝善 | Straight glass-metal vacuum solar heater collection pipe capable of used as construction component |
| CN1916525A (en) * | 2006-09-08 | 2007-02-21 | 南京工业大学 | Heat pipe receiver in intermediate temperature in use for generating electricity from solar heat |
| CN101446449A (en) * | 2008-12-07 | 2009-06-03 | 许洪 | Low-price water and gas dual-purpose vacuum heat collecting pipe and heating device thereof |
| CN103635770A (en) * | 2011-06-30 | 2014-03-12 | 日本碍子株式会社 | Heat exchange member |
| CN205957507U (en) * | 2016-04-30 | 2017-02-15 | 福建省茂盛建设工程有限公司 | Novel direct evacuated collector tube reaches solar energy air solar collecting system by its equipment |
-
2016
- 2016-04-30 CN CN201610277015.1A patent/CN105783286B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57182046A (en) * | 1981-04-30 | 1982-11-09 | Hitachi Ltd | Vacuum tube type solar heat collector |
| CN2037050U (en) * | 1988-08-26 | 1989-05-03 | 贝聿昆 | Air-heating type all-weather solar heat collector |
| CN1216817A (en) * | 1997-10-30 | 1999-05-19 | 中国科学院工程热物理研究所 | Metallic solar energy vacuum collector |
| CN2482028Y (en) * | 2001-06-15 | 2002-03-13 | 张建城 | Solar vacuum heat-collecting tube |
| CN1467165A (en) * | 2002-07-11 | 2004-01-14 | 一品光学工业股份有限公司 | Metal mold of moulding glass |
| CN2709874Y (en) * | 2004-04-13 | 2005-07-13 | 赵宝善 | Straight glass-metal vacuum solar heater collection pipe capable of used as construction component |
| CN1916525A (en) * | 2006-09-08 | 2007-02-21 | 南京工业大学 | Heat pipe receiver in intermediate temperature in use for generating electricity from solar heat |
| CN101446449A (en) * | 2008-12-07 | 2009-06-03 | 许洪 | Low-price water and gas dual-purpose vacuum heat collecting pipe and heating device thereof |
| CN103635770A (en) * | 2011-06-30 | 2014-03-12 | 日本碍子株式会社 | Heat exchange member |
| CN205957507U (en) * | 2016-04-30 | 2017-02-15 | 福建省茂盛建设工程有限公司 | Novel direct evacuated collector tube reaches solar energy air solar collecting system by its equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108692465A (en) * | 2017-03-08 | 2018-10-23 | 青岛经济技术开发区海尔热水器有限公司 | A kind of solar water heater |
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| Publication number | Publication date |
|---|---|
| CN105783286B (en) | 2018-12-21 |
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