CN105042897A - Vacuum pipe sandwich type solar heat and electricity co-generation device - Google Patents
Vacuum pipe sandwich type solar heat and electricity co-generation device Download PDFInfo
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- CN105042897A CN105042897A CN201510383299.8A CN201510383299A CN105042897A CN 105042897 A CN105042897 A CN 105042897A CN 201510383299 A CN201510383299 A CN 201510383299A CN 105042897 A CN105042897 A CN 105042897A
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- photovoltaic
- heat
- vacuum tube
- type metal
- sandwich
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
-
- 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
- Y02E10/60—Thermal-PV hybrids
Abstract
The invention relates to a vacuum pipe sandwich type solar heat and electricity co-generation device. The device mainly comprises vacuum pipe sandwich type photovoltaic heat-collecting assembles, linkage boxes and a reflective backboard. In a double-glass vacuum pipe, two narrow-strip-shaped photovoltaic panels are clamped to the long edge sides of the cross section of the outer surface of a flat-box-type metal pipe in a pressing mode, the contact faces of the narrow-strip-shaped photovoltaic panels and the flat-box-type metal pipe are bonded together through heat conduction glue. The two ends of the flat-box-type metal pipe penetrate out of the double-glass vacuum pipe and stretch into the linkage boxes. Through the structural design of the sandwich type photovoltaic heat-collecting assemblies, the area of the photovoltaic panels can be increased, the photovoltaic panels on the front faces receive sunlight shining onto the photovoltaic panels to generate electricity, and the photovoltaic panels on the back faces receive sunlight reflected onto the photovoltaic panels to generate electricity; the two photovoltaic panels heat water in each pipe at the same time so that the heat transfer effect can be enhanced, the better heat transmission performance is, the heat efficiency is higher, and the electricity efficiency is higher, wherein the heat efficiency and the electricity efficiency promote each other; the problem that the generating power/generating capacity is lowered due to the fact that the heat loss of the front face a flat-plate-type heat collector is high, and the area of the photovoltaic panels of a vacuum pipe type photovoltaic heat collector is reduced is solved.
Description
Technical field
The present invention relates to technical field of solar utilization technique, relate in particular to a kind of vacuum tube sandwich photovoltaic thermal-arrest assembly in solar thermal electric combined supply device.
Background technology
Solar energy photovoltaic panel is the main device of solar energy power generating, and it not only can generate electricity supply building electricity consumption, and can be used as the exterior finish of building, be formed integrally with building itself, not only practicality but also attractive in appearance.But at present, solar energy photovoltaic panel photoelectric transformation efficiency is low, the highest about 17-19% of monocrystalline silicon photovoltaic panel generating efficiency, polysilicon photovoltaic panel generating efficiency about 15%.Correlative study shows, photovoltaic panel generating efficiency and its operating temperature have very important relation.Photovoltaic panel temperature is higher, and its generating efficiency is lower, and temperature often rises 10 DEG C, and efficiency about reduces by 0.5%.Therefore, in order to improve solar energy photovoltaic panel generating efficiency, by cooling it, its operating temperature can be reduced realize.
In the last few years, some scholars cooled solar energy photovoltaic panel by utilizing air or water, and research finds, the cooling effect of water is better than air, and correspondingly electrical efficiency is also high.Some scholars have studied plate type solar photovoltaic heat collector, and namely lay metallic conduit in Flat type photovoltaic back, additional insulation material, is cooled photovoltaic panel by in-pipe flow, improves generating efficiency, for family expenses domestic hot-water simultaneously after water being heated.But Flat type photovoltaic heat collector front heat loss is high, causes the thermal efficiency to decline, and reinforcement measure is adopted to cause roof load to increase for resisting wind load.For above problem, minority scholar is had to propose electron tubes type photovoltaic heat collector, namely metallic conduit is laid at the fillet type photovoltaic panel back side, and be placed in vacuum tube, both effectively can reduce heat loss, and load-bearing load can be reduced again, but electron tubes type design can reduce photovoltaic panel area, reduce roofing effective rate of utilization, generated output and generated energy also can reduce.
Summary of the invention
Object of the present invention, just in order to overcome the deficiency of above-mentioned prior art and a kind of vacuum tube sandwich solar thermal electric combined supply device of proposing, solving the high and electron tubes type photovoltaic heat collector photovoltaic panel area of flat-plate collector front heat loss simultaneously and reduces and reduce the problem of generated output/generated energy.
The invention provides a kind of vacuum tube sandwich solar thermal electric combined supply device, be made up of vacuum tube sandwich photovoltaic thermal-arrest assembly, header and reflective back plane; After multiple vacuum tube sandwich photovoltaic thermal-arrest modules in parallel, two ends are connected with two headers respectively; Reflective back plane is placed in below vacuum tube sandwich photovoltaic thermal-arrest assembly; Wherein, each vacuum tube sandwich photovoltaic thermal-arrest assembly is made up of 1 two glass vacuum tube, 2 fillet type photovoltaic panel and 1 flat box type metal tube; Flat box type metal tube cross section rectangle; In two glass vacuum tube, 2 fillet type photovoltaic panel pressures are clipped in the cross section long side of the outer surface of flat box type metal tube, and the contact surface heat-conducting glue between fillet type photovoltaic panel and flat box type metal tube is pasted; The two ends of flat box type metal tube pass from two glass vacuum tube and stretch in header.
Wherein, fillet type photovoltaic panel is film photovoltaic cell.
Wherein, the cross section of flat box type metal tube is that rectangular passage is divided into multiple water stream channel by baffle plate.
Wherein, header and flat box type metal tube form heat conduction/cooling system, and header is 2, and one of them header has cooling water inlet, and another header has coolant outlet.
The present invention unites two into one original electron tubes type solar thermal collector and solar photovoltaic technology, by designing the additional reflective back plane of sandwich photovoltaic thermal-arrest assembly dexterously, realize cogeneration and while mutually promoting, efficiently reduce the heat loss of solar thermal electric combined supply device, sandwich type structural design can increase photovoltaic panel area, improve generated output and generated energy, in addition, front and back photovoltaic panel also can strengthen heating effect to in-pipe flow dual-heated.
Accompanying drawing explanation
Fig. 1 is vacuum tube sandwich solar thermal electric combined supply device plane;
Fig. 2 is along the fundamental diagram under A-A line sectional view in Fig. 1;
Fig. 3 is along B-B line sectional view in Fig. 1.
Detailed description of the invention
Referring to accompanying drawing 1-3, technical scheme of the present invention is described in detail.
As shown in Figure 1, the concrete technical scheme of the present invention is: a kind of vacuum tube sandwich solar thermal electric combined supply device, is made up of vacuum tube sandwich photovoltaic thermal-arrest assembly, header 2 and reflective back plane 1; After multiple vacuum tube sandwich photovoltaic thermal-arrest modules in parallel, two ends are connected with two headers respectively; Reflective back plane 1 is placed in below vacuum tube sandwich photovoltaic thermal-arrest assembly; Wherein, each vacuum tube sandwich photovoltaic thermal-arrest assembly is made up of 1 two glass vacuum tube 3,2 fillet type photovoltaic panel 4 and 1 flat box type metal tube 5; Flat box type metal tube 5 cross section rectangle, the cross section of this flat box type metal tube 5 is that rectangular passage can be divided into multiple water stream channel by baffle plate; In two glass vacuum tube 3, between 2 fillet type photovoltaic panel 4, pressure is clipped in the above-mentioned cross section long side of the outer surface of flat box type metal tube 5, and the contact surface heat-conducting glue between fillet type photovoltaic panel 4 and flat box type metal tube 5 is pasted; The two ends of flat box type metal tube 5 pass from two glass vacuum tube 3 and stretch in header 2.
As shown in Figure 1, header 2 and flat box type metal tube 5 form heat conduction/cooling system, and header 2 has two, and one of them header 2 has cooling water inlet, and another header 2 has coolant outlet.
As shown in Figure 3,2 fillet type photovoltaic panel 4 are pasted onto the upper outer lower face surface (metal tube cross section long side) of flat box type metal tube 5 respectively with heat-conducting glue, its electrode can adopt the form of serial or parallel connection to have photovoltaic panel lead-out wire to draw by two glass vacuum tube 3 as required.
Particularly, in the present invention, two glass vacuum tube 3 is when making, and the fillet type photovoltaic panel 4 on coated flat box type metal tube 5, flat box type metal tube 5 two ends then pass from vacuum structure.These two ends passing vacuum structure stretch into two of sandwich photovoltaic thermal-arrest assembly both sides independently in header 2 respectively.This flat box type metal tube 5 end be in header 2 is unlimited, i.e. UNICOM in the water stream channel of flat box type metal tube 5 and header 2 casing.
The present invention's fillet type photovoltaic panel 4 (film photovoltaic cell) presses folder to be pasted onto flat box type metal tube 5 on the surface, heat-conducting glue can ensure contact good between photovoltaic panel 4 and flat box type metal tube 5, in the two glass vacuum tubes 3 be positioned over, form a sandwich photovoltaic thermal-arrest assembly, flat box type metal tube 5 two ends are connected with header 2, then below vacuum tube/header device, arrange reflective back plane 1.The present invention can adjust the quantity of vacuum tube sandwich photovoltaic thermal-arrest assembly and the length (or quantity) of header 2 according to actual needs.
The operation principle of sectional structure according to Fig. 2, the present invention adopts fillet type photovoltaic panel 4 and the sandwich type structural of flat box type metal tube 5 to design to solve flat-plate collector front heat loss high and affect the problems such as larger by angle of incidence of sunlight simultaneously.
Compared with prior art, tool of the present invention has the following advantages: the design of (1) electron tubes type can play good heat insulation effect, effectively reduces the heat loss of this device, improves the thermal efficiency; (2) sandwich type structural design can increase photovoltaic panel area, and fillet type photovoltaic panel 4 accepts direct projection and reflected sunlight generating simultaneously, improves generated output and generated energy, can also reduce the impact of angle of incidence of sunlight on power generation performance; (3) design of sandwich photovoltaic thermal-arrest modular construction can ensure that fillet type photovoltaic panel 4 and flat box type metal tube 5 have good contact and heat conductivility, the photovoltaic panel 4 of flat box type metal tube 5 front and back can strengthen heat transfer effect to current dual-heated in flat box type metal tube 5, in flat box type metal tube 5, current align, back side photovoltaic panel 4 cools, can improve electrical efficiency, the thermal efficiency, both electrical efficiency are mutually promoted; (4) design of header 2 is not only as the water stream channel of connection flat boxlike metal tube 5, directly can also cool, accelerate assembly cooling velocity and thermal-arrest speed as water-storing device to flat box type metal tube 5 two ends; (5) can according to electric load, thermal load demands adjustment vacuum tube sandwich photovoltaic thermal-arrest component count, flexibly, it is convenient to change in assembling.
The invention is not restricted to the above description to embodiment, the content that those skilled in the art disclose according to the present invention, the improvement that basis of the present invention need not be carried out through creative work and amendment, should within protection scope of the present invention than all.
Claims (4)
1. a vacuum tube sandwich solar thermal electric combined supply device, is made up of vacuum tube sandwich photovoltaic thermal-arrest assembly, header (2) and reflective back plane (1);
Wherein, after multiple vacuum tube sandwich photovoltaic thermal-arrest modules in parallel, two ends are connected with two headers (2) respectively; Reflective back plane (1) is placed in below vacuum tube sandwich photovoltaic thermal-arrest assembly;
It is characterized in that:
Each vacuum tube sandwich photovoltaic thermal-arrest assembly is made up of 1 two glass vacuum tube (3), 2 fillet type photovoltaic panel (4) and 1 flat box type metal tube (5); The cross section rectangle of flat box type metal tube (5);
In two glass vacuum tube (3), 2 fillet type photovoltaic panel (4) pressures are clipped in the long side of the above-mentioned cross section of flat box type metal tube (5) outer surface, and the contact surface heat-conducting glue between fillet type photovoltaic panel (4) and flat box type metal tube (5) is pasted;
The two ends of flat box type metal tube (5) pass from two glass vacuum tube (3) and stretch in header (2).
2. a kind of vacuum tube sandwich solar thermal electric combined supply device as claimed in claim 1, is characterized in that: fillet type photovoltaic panel (4) is film photovoltaic cell.
3. a kind of vacuum tube sandwich solar thermal electric combined supply device as claimed in claim 1, is characterized in that: the cross section of flat box type metal tube (5) is that rectangular passage is divided into multiple water stream channel by baffle plate.
4. a kind of vacuum tube sandwich solar thermal electric combined supply device as claimed in claim 1, it is characterized in that: two headers (2) form heat conduction/cooling system with flat box type metal tube (5), (2) have cooling water inlet with one of them header, and (2) have coolant outlet with another header.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383299.8A CN105042897A (en) | 2015-07-02 | 2015-07-02 | Vacuum pipe sandwich type solar heat and electricity co-generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510383299.8A CN105042897A (en) | 2015-07-02 | 2015-07-02 | Vacuum pipe sandwich type solar heat and electricity co-generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105042897A true CN105042897A (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510383299.8A Pending CN105042897A (en) | 2015-07-02 | 2015-07-02 | Vacuum pipe sandwich type solar heat and electricity co-generation device |
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| CN (1) | CN105042897A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770512A (en) * | 2017-04-14 | 2020-02-07 | 加利福尼亚大学董事会 | Cogeneration solar collector with wide-angle concentrator |
| CN113241385A (en) * | 2021-05-08 | 2021-08-10 | 上海亥茨能源技术有限公司 | Photovoltaic thermal-arrest cooling composite set |
| CN113472292A (en) * | 2021-07-05 | 2021-10-01 | 甘肃自然能源研究所(联合国工业发展组织国际太阳能技术促进转让中心) | Cuttage formula photoelectricity light and heat mixes subassembly |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158444A (en) * | 1979-05-28 | 1980-12-09 | Hitachi Ltd | Solar heat collector |
| JPS5784955A (en) * | 1980-11-17 | 1982-05-27 | Mitsubishi Electric Corp | Solar heat collector |
| JPS59150251A (en) * | 1983-02-16 | 1984-08-28 | Hitachi Ltd | Dual pipe type vacuum tube system solar heat collector |
| CN2383016Y (en) * | 1999-07-05 | 2000-06-14 | 张广明 | Vacuum heat collecting tube solar range |
| CN2466575Y (en) * | 2000-05-26 | 2001-12-19 | 韩静超 | U-reflector board solar water heater |
| CN2580362Y (en) * | 2002-11-18 | 2003-10-15 | 北京桑达太阳能技术有限公司 | External light focusing type vacuum heat collective tubes |
| CN1847742A (en) * | 2006-04-03 | 2006-10-18 | 秦寿生 | Solar energy glass vacuum tile water heater and water boiler |
| CN201184706Y (en) * | 2008-03-12 | 2009-01-21 | 徐成铣 | High-heat effect solar drinking water heater |
| CN101598456A (en) * | 2008-06-04 | 2009-12-09 | 北京环能海臣科技有限公司 | A kind of flat tube heat-collecting all-glass vacuum photovoltaic power generation heat collector tube pipe |
-
2015
- 2015-07-02 CN CN201510383299.8A patent/CN105042897A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55158444A (en) * | 1979-05-28 | 1980-12-09 | Hitachi Ltd | Solar heat collector |
| JPS5784955A (en) * | 1980-11-17 | 1982-05-27 | Mitsubishi Electric Corp | Solar heat collector |
| JPS59150251A (en) * | 1983-02-16 | 1984-08-28 | Hitachi Ltd | Dual pipe type vacuum tube system solar heat collector |
| CN2383016Y (en) * | 1999-07-05 | 2000-06-14 | 张广明 | Vacuum heat collecting tube solar range |
| CN2466575Y (en) * | 2000-05-26 | 2001-12-19 | 韩静超 | U-reflector board solar water heater |
| CN2580362Y (en) * | 2002-11-18 | 2003-10-15 | 北京桑达太阳能技术有限公司 | External light focusing type vacuum heat collective tubes |
| CN1847742A (en) * | 2006-04-03 | 2006-10-18 | 秦寿生 | Solar energy glass vacuum tile water heater and water boiler |
| CN201184706Y (en) * | 2008-03-12 | 2009-01-21 | 徐成铣 | High-heat effect solar drinking water heater |
| CN101598456A (en) * | 2008-06-04 | 2009-12-09 | 北京环能海臣科技有限公司 | A kind of flat tube heat-collecting all-glass vacuum photovoltaic power generation heat collector tube pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110770512A (en) * | 2017-04-14 | 2020-02-07 | 加利福尼亚大学董事会 | Cogeneration solar collector with wide-angle concentrator |
| CN113241385A (en) * | 2021-05-08 | 2021-08-10 | 上海亥茨能源技术有限公司 | Photovoltaic thermal-arrest cooling composite set |
| CN113472292A (en) * | 2021-07-05 | 2021-10-01 | 甘肃自然能源研究所(联合国工业发展组织国际太阳能技术促进转让中心) | Cuttage formula photoelectricity light and heat mixes subassembly |
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| PB01 | Publication | ||
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Application publication date: 20151111 |