CN102052773A - Reflecting trench type vacuum flat plate type solar heat collector - Google Patents
Reflecting trench type vacuum flat plate type solar heat collector Download PDFInfo
- Publication number
- CN102052773A CN102052773A CN2009102084674A CN200910208467A CN102052773A CN 102052773 A CN102052773 A CN 102052773A CN 2009102084674 A CN2009102084674 A CN 2009102084674A CN 200910208467 A CN200910208467 A CN 200910208467A CN 102052773 A CN102052773 A CN 102052773A
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- box body
- light absorption
- slot type
- vacuum
- heat collector
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
-
- 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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Abstract
The invention discloses a reflecting trench type vacuum flat plate type solar heat collector which is characterized in that one side of an enclosed type box body is a trench type back plate provided with a light reflection layer, and the other side of the enclosed type box body is high light-transmitting glass; a reflecting trench rim or a salient point arranged on the trench rim is arranged between two panels of the box body and supports the two panels of the box body, the box body is internally provided with a vacuum chamber, and a light absorption heat exchange tube (or a tube plate) is arranged in the chamber; and the light absorption heat exchange tube ( or the tube plate) is not in direct contact with the chamber of the box, is only connected with the box body through an in-out general tube and is fixed by the minority of fixation elements and is suspended in the vacuum chamber, and the light absorption heat exchange tube passes through the box body through the general tube and transfers and absorbs heat with the outside through a heat-conducting medium in the tube. By adopting the reflecting trench type large-area vacuum flat plate type solar heat collector, the defects that the solar energy light utilization of the vacuum trench type solar heat collector is low, the vacuum trench type solar heat collector is not easy to build integrated photovoltaic and the insulating efficiency of the common flat plate type solar heat collector is low are overcome. The applications of the solar heat collector in middle and high temperature fields are expanded, and the solar heat collector can be used in the fields of power generation, refrigeration, seawater desalination, and the like.
Description
Technical field
Solar energy heating utilizes the field under the present invention, particularly vacuum flat-plate solar thermal collector
Background technology
Existing solar energy heating mainly contains concentric circles double-glass evacuated tube formula heat collector, polyamine fat insulation flat type solar heat collector.Double-glass evacuated tube formula heat collector is inside and outside two-layer concentric column glass tube, and inner layer glass tube is coated with and is coated with light absorption heat exchange rete with heating working medium, as: water.Vacuumize between the ectonexine cylindrical tube in order to insulation, skin is high transparent glass.Its pluses and minuses have: 1. vacuum heat-insulating is effective.2. generally while many assembling uses side by side of thermal-collecting tube, spacing is big between the adjacent two interior pipes of absorption luminous energy, light leak rate height.3. every arm all need be connected with attemperater.Connecting portion is many, and heat conduction loss is also bigger.4. generally can not bear high pressure in the pipe, be mainly used in the domestic water of producing low-quality heat.5. the electron tubes type heat collector is difficult integrated with the building realization, and the integrated application cost is high and not attractive in appearance.Polyamine fat is incubated flat type solar heat collector by the transparent glass cover plate, transparent polyamine fat vacuole foam heat-insulation layer, thermal-arrest plate, the plane thermal-arrest box body that the insulation backboard is arranged in order and periphery seals.Its pluses and minuses have: 1. collecting efficiency is than double-glass evacuated tube formula height.2. easily and architecture-integral.3. be convenient to large tracts of land focus utilization thermal-arrest.4. because the heat insulation effect of heat-insulation layer is undesirable, heat loss easily is frozen to block when temperature is low than the double-glass evacuated tube height, therefore is not suitable for using at the high latitude low temp area.Therefore very big restriction its utilize scope.
Summary of the invention
The invention solves existing solar thermal collector insulation and the problem that collecting efficiency is difficult to fine coexistence, gathered both advantages of electron tubes type and flat-plate collector, proposed a kind of collecting efficiency height, the vacuum flat-plate solar thermal collector of better heat preservation.
Technical problem solved by the invention is achieved through the following technical solutions (independent claim one): reflection slot type vacuum panel solar thermal collector, it is the closed cassette that high transparent glass is formed by slot type backboard and the one side that one side has reflection layer, frame can be arranged between the box body two panels or do not have the direct sealing-in of frame and become enclosed box body, contact by the prominent point of the support that is provided with on reflection groove groove edge or the groove edge between the box body two panels, in the box body is vacuum chamber, form by the light absorption heat exchanger tube in the chamber, the light absorption heat exchanger tube does not directly contact with the cavity of box, and only house steward is connected with box body or auxilliary fixing with a few fixed element is suspended in the vacuum chamber by passing in and out.This structure is because of adopting the direct daylighting of light absorption heat pipe, and with the light leak overwhelming majority between endothermic tube by the reflecting layer minute surface once more the reflected back endothermic tube utilize, therefore compare with market concentric circles double layer vacuum tube, improved light utilization efficiency greatly.Simultaneously heat collector is because of integrated and complanation, inlet and outlet connectors centralization, therefore more can be easy to the fusion that realizes and build, even alternative roofing reaches the double effects of housing energy saving consumption reduction.The heat exchanger tube of light absorption simultaneously is available metal pipe (materials such as available copper, stainless steel) instead of glass pipe also, after through the glassy metal transition sealing, can produce the thermal source medium of HTHP.Can be interval with reinforcement between the outer surface groove of slot type backboard, with reduce gas pressure issue life parallel planes direction towards extensional deformation, influence sealing-in with the supporting evenly stressed.Change in flute profile that the backboard outer surface also can be made into flat shape when little.
Technical problem solved by the invention is achieved through the following technical solutions (independent claim two): reflection slot type vacuum panel solar thermal collector, it is the closed cassette that high transparent glass is formed by slot type backboard and the one side that one side has reflection layer, frame can be arranged between the box body two panels or do not have the direct sealing-in of frame and become enclosed box body, contact by the prominent point of the support that is provided with on the slot type backboard between the box body two panels, in the box body is vacuum chamber, form by the light absorption heat exchanger plates in the chamber, the light absorption heat exchanger plates does not directly contact with the cavity of box, only house steward is connected with box body or auxilliary fixing with a few fixed element is suspended in the vacuum chamber by passing in and out, the light absorption heat exchanger plates is provided with for prominent point and supports the through hole that passes, the light absorption heat exchanger plates does not support with prominent point and contacts, this structure is because of adopting the direct daylighting of light absorption heat exchanger plates gross area, light utilization efficiency height.The loss of heat can better have been avoided with the light absorption thermal-arrest plate radiant energy reflected back plate body of high temperature in the backboard reflecting layer.The light absorption heat exchanger plates made from metal (combination of pipe and plate or pressed sheet be welded to each other body) but output HTHP working medium is carried out heat utilization widely.
Above invention light absorption heat exchanger tube or tube sheet are coated with the light absorption rete by being coated with, and the working medium circulating line is in communication with the outside by the turnover house steward, carry heat and the external world exchanges by intraductal working medium, the utilization of realization vacuum flat-plate solar thermal collector thermal-arrest.
When the turnover house steward merges house steward of employing, can be made into the heat pipe of sealing, this moment, the pipe end of sealing was condensation end, and absorber is an evaporation ends.When adopting more than two the turnover house steward, can be made into the length that height does not wait, to utilize the density different unidirectional microcirculations that produce gravitational difference of medium when the different temperatures, the raising thermal efficiency.
The present invention adopts the vacuum flat-plate structure of supporting form, and light absorption thermal-collecting tube (or tube sheet) is suspended in the box body vacuum lumen with reflection groove.Compare with the electron tubes type and the flat heat-preservation heat-collection device of existing extensive use, the present invention has gathered both advantages: 1. because employing reflection groove or full flat board receive luminous energy, so daylighting utilization rate height.2. heat insulation effect is more excellent: being suspended in thermal-collecting tube (or tube sheet) in the vacuum chamber does not have almost that heat is conducted, the heat loss of thermal convection current, can better application in high latitude, area that temperature is low.3. be convenient to and architecture-integral, improve utilization, also can better play benefit because of the high thermal resistance between the vacuum box body to the building energy conservation consumption reduction to building sides.When 4. adopting the thermal-collecting tube type solar thermal collector (independent claim one) of reflection groove, can avoid the sealing-in problem between different materials with full glass manufacturing.5. when the thermal-collecting tube plate-type solar thermal collector (independent claim two) that adopts reflection groove, light absorption thermal-arrest plate also can obtain the HTHP hot working fluid that ordinary solar heat collector can not be produced when using metal material, the high-quality thermal source of HTHP can be used for generating, refrigeration, desalinization and other application, has expanded the application of solar thermal collector in middle high temperature field.
Description of drawings
Fig. 1 for the A-A of embodiment one (Fig. 2) of the independent claim one of invention to cutaway view
Fig. 2 is the embodiment one of the independent claim one of invention: the heat collector structural map that the reflection groove edge supports
Fig. 3 is the embodiment two of the independent claim one of invention: the reflection groove edge point-supported heat collector structural map of dashing forward
Fig. 4 for the A-A of embodiment (Fig. 5) of the independent claim two of invention to cutaway view
Fig. 5 is the embodiment of the independent claim two of invention: plate tubular construction reflection slot type vacuum panel solar thermal collector structural map
1. box body backboards among the figure, the 2. high transparent glass of box body, 3. vacuum chamber, 4. reflection groove edge, 5. light absorption heat exchanger tube, 6. reflection groove reflecting layer, 7. thermal-collecting tube (tube sheet) retaining element, 8. the turnover house steward 9. supports prominent point, 10, light absorption heat exchanger plates through hole, 11, light absorption heat exchanger plates.
The specific embodiment
Specify performance of the present invention below in conjunction with accompanying drawing.
By accompanying drawing 2 as can be known: the present invention is by had the slot type backboard (1) of reflection layer (6) and the closed cassette of simultaneously forming for high transparent glass (2) by one side, contact by reflection groove groove edge (4) between the box body two panels, vacuumize the pressure of back ambient pressure to bear vacuum chamber in the box body (3) to two panels, light absorption heat exchanger tube (5) is arranged in the box body vacuum chamber (3), light absorption heat exchanger tube (5) does not directly contact with the cavity of box, only is connected with box body by turnover house steward (8) or auxilliary with a few fixed element (7) fix be suspended in vacuum chamber (3) interior (when connection house steward's layout can satisfy bearing strength, can not assist and use retaining element, as: four rectangular layouts of house steward).Sunshine sees through the energy of transparent glass direct irradiation on light absorption heat exchanger tube (5) and directly is absorbed, and the reflection groove reflective layer reflects of sunlight through the light reflex is arranged that is radiated between pipe is absorbed to light absorption heat exchanger tube (5), thereby the daylighting of whole solar light irradiation face can be collected well. and be converted to heat energy and carried by turnover house steward (7) by working medium and exchange with the external world.The compound shape face that reflection groove reflecting layer (6) can be made up of the double-paraboloid line.On the box body pumping mouth that vacuumizes can be set, also can not be provided with and burn gas in vacuum and melt that envelope is indoor directly to vacuumize sealing-in; Also can place getter in the vacuum chamber to guarantee the vacuum in the use.
The embodiment two of accompanying drawing 3 is supporting prominent point increasing on the basis of embodiment one on the groove edge, purpose is to reduce groove edge height, thus can increase pipe directly be subjected to the light ratio example, reduce the energy loss in the reverberation reflection process.Can also be convenient to the manufacturing of backboard.
The embodiment of accompanying drawing 5 is light absorption heat exchanger plates (11) that heat absorbing element is made the tube sheet form, the side to light of plate is coated with and is coated with heat absorbing coating, and on light absorption heat exchanger plates (11), leave through hole (10), be used to pass the prominent point (9) of support, do not contact mutually between them, to avoid light absorption heat exchanger plates (11) temperature conduction.The backboard of this embodiment (1) groove mainly is the pipeline that is used to hold light absorption tube sheet (11), and the reflecting layer (6) of backboard (1) mainly is to be used for the hyperthermia radiation that reverberation absorbs heat exchanger plates (11).What point (9) can be done because the structure that employing is such, the supporting of backplate are dashed forward is very short, helps the raising and the manufacturing of structural strength like this, and it is thinner that the while heat collector also can be done.
More than stated specific implementation method structural principle of the present invention, concrete mode, parameter details should be used according to reality and determine and optimization.
Claims (8)
1. one kind reflects the slot type vacuum panel solar thermal collector, it is characterized in that: it is the closed cassette that high transparent glass is formed by slot type backboard and the one side that one side has reflection layer, contact by the prominent point of the support that is provided with on reflection groove groove edge or the groove edge between the box body two panels, in the box body is vacuum chamber, form by the light absorption heat exchanger tube in the chamber, the light absorption heat exchanger tube does not directly contact with the cavity of box, and only house steward is connected with box body or auxilliary fixing with a few fixed element is suspended in the vacuum chamber by passing in and out.
2. one kind reflects the slot type vacuum panel solar thermal collector, it is characterized in that: it is the closed cassette that high transparent glass is formed by slot type backboard and the one side that one side has reflection layer, contact by the prominent point of the support that is provided with on the slot type backboard between the box body two panels, in the box body is vacuum chamber, form by the light absorption heat exchanger plates in the chamber, the light absorption heat exchanger plates does not directly contact with the cavity of box, only house steward is connected with box body or auxilliary fixing with a few fixed element is suspended in the vacuum chamber by passing in and out, the light absorption heat exchanger plates is provided with for prominent point and supports the through hole that passes, and the light absorption heat exchanger plates does not support with prominent point and contacts.
3. according to claim 1 and the described reflection slot type of claim 2 vacuum panel solar thermal collector, it is characterized in that: slot type backboard and the directly sealing-in of high transparent glass, can pass through the frame transition sealing.
4. reflection slot type vacuum panel solar thermal collector according to claim 1, it is characterized in that: the outer well surface interval trough of slot type backboard is provided with reinforcement or directly passes through the curved surface gradient thickness, also can directly make the plane intensity of optimizing structure, with reduce gas pressure issue life parallel planes direction towards extensional deformation, influence sealing-in with the supporting evenly stressed.
5. reflection slot type vacuum panel solar thermal collector according to claim 1 is characterized in that: the light absorption heat exchanger tube is to be coated with to be coated with to the light absorption rete and for pipeline or pipeline that heat transfer medium circulates to make up.
6. reflection slot type vacuum panel solar thermal collector according to claim 1 is characterized in that: but backboard inner surface light reflection groove can be the various reflecting curved surfaces of compound curved surface semicircle, parabola shaped or that form with curved surfaces such as hyperbola or involute shape.
7. according to claim 1 and the described vacuum flat-plate solar thermal collector of claim 2, it is characterized in that: when the water-in and water-out house steward two or more the time can not do contour setting, the natural gravity difference that can utilize different temperatures density of medium difference to produce like this reaches unidirectional microcirculation and flows, and improves heat exchange efficiency.
8. according to claim 1 and the described vacuum flat-plate solar thermal collector of claim 2, it is characterized in that: when the turnover house steward merges house steward of employing, can be made into the heat pipe of sealing, this moment, the pipe end of sealing was condensation end, and absorber is an evaporation ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102084674A CN102052773A (en) | 2009-11-01 | 2009-11-01 | Reflecting trench type vacuum flat plate type solar heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102084674A CN102052773A (en) | 2009-11-01 | 2009-11-01 | Reflecting trench type vacuum flat plate type solar heat collector |
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| Publication Number | Publication Date |
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| CN102052773A true CN102052773A (en) | 2011-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009102084674A Pending CN102052773A (en) | 2009-11-01 | 2009-11-01 | Reflecting trench type vacuum flat plate type solar heat collector |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103104989A (en) * | 2013-02-04 | 2013-05-15 | 常州龙腾太阳能热电设备有限公司 | Mesotherm solar thermal collector |
| CN103410577A (en) * | 2013-08-30 | 2013-11-27 | 吕智群 | Intensifying heat-absorption type earth surface water source and air source complementary silence power generation system |
| CN103574922A (en) * | 2012-08-10 | 2014-02-12 | 浙江神太太阳能有限公司 | Ultra-thin flat plate vacuum pipe solar heat collector |
| CN104300897A (en) * | 2014-08-18 | 2015-01-21 | 杭州慈源科技有限公司 | Multi-block double-sided power generation solar battery assembly |
| CN104567015A (en) * | 2013-10-18 | 2015-04-29 | 彭岫麟 | Solar thermal collecting system |
| CN106949642A (en) * | 2017-04-14 | 2017-07-14 | 安徽晶润新能源有限公司 | The high solar thermal collector of heat exchange efficiency |
| CN107238212A (en) * | 2017-06-22 | 2017-10-10 | 任高廷 | A kind of hi-temp hi-effective flat plate collector |
| CN107477886A (en) * | 2017-09-12 | 2017-12-15 | 张军善 | A kind of solar thermal collector reflex reflector |
| US9976777B2 (en) | 2014-08-05 | 2018-05-22 | Hsiu-Lin Peng | Solar thermal collecting system |
| CN112093837A (en) * | 2020-09-21 | 2020-12-18 | 金文贤 | Seawater desalination treatment method based on clean energy |
| CN114719449A (en) * | 2022-04-21 | 2022-07-08 | 安徽科技学院 | Light-gathering flat-plate solar collector |
-
2009
- 2009-11-01 CN CN2009102084674A patent/CN102052773A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103574922A (en) * | 2012-08-10 | 2014-02-12 | 浙江神太太阳能有限公司 | Ultra-thin flat plate vacuum pipe solar heat collector |
| CN103574922B (en) * | 2012-08-10 | 2016-01-27 | 浙江神太太阳能股份有限公司 | A kind of ultrathin planar vacuum tube type solar collector |
| CN103104989B (en) * | 2013-02-04 | 2014-08-27 | 常州龙腾太阳能热电设备有限公司 | Mesotherm solar thermal collector |
| CN103104989A (en) * | 2013-02-04 | 2013-05-15 | 常州龙腾太阳能热电设备有限公司 | Mesotherm solar thermal collector |
| CN103410577A (en) * | 2013-08-30 | 2013-11-27 | 吕智群 | Intensifying heat-absorption type earth surface water source and air source complementary silence power generation system |
| CN104567015A (en) * | 2013-10-18 | 2015-04-29 | 彭岫麟 | Solar thermal collecting system |
| US9976777B2 (en) | 2014-08-05 | 2018-05-22 | Hsiu-Lin Peng | Solar thermal collecting system |
| CN104300897A (en) * | 2014-08-18 | 2015-01-21 | 杭州慈源科技有限公司 | Multi-block double-sided power generation solar battery assembly |
| CN106949642A (en) * | 2017-04-14 | 2017-07-14 | 安徽晶润新能源有限公司 | The high solar thermal collector of heat exchange efficiency |
| CN107238212A (en) * | 2017-06-22 | 2017-10-10 | 任高廷 | A kind of hi-temp hi-effective flat plate collector |
| CN107477886A (en) * | 2017-09-12 | 2017-12-15 | 张军善 | A kind of solar thermal collector reflex reflector |
| CN112093837A (en) * | 2020-09-21 | 2020-12-18 | 金文贤 | Seawater desalination treatment method based on clean energy |
| CN112093837B (en) * | 2020-09-21 | 2021-11-23 | 扬州市杭集创意设计园有限公司 | Seawater desalination treatment method based on clean energy |
| CN114719449A (en) * | 2022-04-21 | 2022-07-08 | 安徽科技学院 | Light-gathering flat-plate solar collector |
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Application publication date: 20110511 |