CN204593907U - A kind of flat-plate concentration type solar thermal collector - Google Patents
A kind of flat-plate concentration type solar thermal collector Download PDFInfo
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- CN204593907U CN204593907U CN201520268762.XU CN201520268762U CN204593907U CN 204593907 U CN204593907 U CN 204593907U CN 201520268762 U CN201520268762 U CN 201520268762U CN 204593907 U CN204593907 U CN 204593907U
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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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Abstract
The utility model provides a kind of flat-plate concentration type solar thermal collector, and it comprises: heat collector combination housing, glass cover-plate, heat collecting vacuum pipe, hyperbolic-parabolic reflecting plate; It is characterized in that: heat collecting vacuum pipe is arranged on fixed head according to the focal position of hyperbolic-parabolic reflecting plate by perforate, foamed by insulation material between fixed head and heat collector combination housing fixing, the slab construction profile that overall formation two is fixing; Heat collector vacuum tube one end is closed, and other end opening, for inserting the metal inner pipe of U-shaped layout; Metal inner pipe is divided into two sections, take bending place as boundary, and one section is inflow segment, and another section is for flowing out section, and inflow segment termination is connected with the inlet pipeline of heat-conducting medium inlet/outlet pipe, flows out section termination and is connected with the outlet conduit of heat-conducting medium inlet/outlet pipe.
Description
Technical field
The utility model relates to solar energy heat utilization field, is specifically related to a kind of flat-plate concentration type solar energy vacuum tube heat collector.
Background technology
Solar energy techniques provides bright prospects for not solving energy problem.At present, solar water heater mainly contains two kinds, and namely the blue film of high-boron-silicon glass electron tubes type and high efficiency heat absorption is flat.Vacuum tube has developed more than 20 year, and coating process is very ripe.From single target to multi-target magnetic control sputtering plated film, rete heat absorption efficiency is more than 94%, and low temperature reflectivity is down to less than 6%, is in more satisfactory state.As long as according to the strict production control process of maturation process, the higher vacuum tube of quality just can be produced.Vacuum tube water heater has plurality of advantages, and absorption per unit area rate is high, emissivity is low, good heat insulation, has advantageous superiority especially compared with cryogenic region; But it also has obvious shortcoming, well cannot combine with building, the limitation endotherm area by caliber is little, and double glazing heat absorption efficiency is affected, and the easy breakage of glass is congenital has potential safety hazard.Therefore, external vacuum tube type water heater uses less.Equally, flat casing water-heater has more advantages, and illuminating area is large, heat absorption rate high heat transfer fast, easily combine with building, cover plate is that tempering ultra-clear glasses does not have potential safety hazard; But also have obvious shortcoming, the large area of dissipation of endotherm area also large, thermal equilibrium temperature is lower, efficient cryogenic but cannot obtain high temperature.There is no insulating power.In order to prevent hot water fouling from will lean on medium heat conduction, so, be only suitable in district higher in southern temperature.Up to the present, also do not have a kind of water heater in conjunction with the advantage of these two kinds of water heaters, both can promote in any region, common water heater can be solved again from low temperature to middle developer temperature, and can steam type water heater be developed into.Meanwhile, trouble installed by water heater, parts are more, not easy care.No matter be conventional vacuum tubular type or ordinary flat formula, winter often becomes ornaments, heavy dependence electricity auxiliary heating, and the blue film of flat water heater exposes decays very soon in atmosphere, and lifetime shortens greatly.State's heater inside price war grows in intensity, and solar water heater industry is in obvious decay state.
Utility model content
The utility model provides a kind of flat-plate concentration type solar thermal collector, and it comprises: heat collector combination housing, glass cover-plate, heat collecting vacuum pipe, hyperbolic-parabolic reflecting plate; It is characterized in that: heat collecting vacuum pipe is arranged on fixed head according to the focal position of hyperbolic-parabolic reflecting plate by perforate, foamed by insulation material between fixed head and heat collector combination housing fixing, the slab construction profile that overall formation two is fixing; Heat collector vacuum tube one end is closed, and other end opening, for inserting the metal inner pipe of U-shaped layout; Metal inner pipe is divided into two sections, take bending place as boundary, and one section is inflow segment, and another section is for flowing out section, and inflow segment termination is connected with the inlet pipeline of heat-conducting medium inlet/outlet pipe, flows out section termination and is connected with the outlet conduit of heat-conducting medium inlet/outlet pipe.
Further, elastic heat conducting structure is arranged in heat collecting vacuum pipe, elastic heat conducting structure is the tubular structure of a side opening, its cross section is integral ring-shaped, which is provided with card interface, for inserting or the metal inner pipe of the U-shaped layout of clamping, heat collecting vacuum pipe is through the perforate on fixed head, and metal inner pipe is connected with heat-conducting medium inlet/outlet pipe; By insulation module, fixed head, heat collecting vacuum pipe end, heat-conducting medium inlet/outlet pipe, heat collector combination housing are assembled as a whole.
Further, heat collector combination housing comprises fixed base plate, surrounding fixed head, and some hyperbolic-parabolic solar panel arranged in parallel are spliced into and are integrally placed on fixed base plate.
Further, glass cover-plate is the dull and stereotyped Nonopaque type glass cover-plate of toughened process, forms a concentration structure with the hyperbolic-parabolic speculum on fixed base plate.
Further, glass cover-plate is tempering ultra-clear glasses cover plate, and upper surface is plane, and lower surface is provided with Fresnel light condensing lens, forms complementary combined light gathering structure with the hyperbolic-parabolic solar panel on fixed base plate.
Further, heat collecting vacuum pipe is connected with heat-conducting medium inlet/outlet pipe according to the mode of heat-conducting medium different choice serial or parallel connection.
A kind of flat-plate concentration type solar thermal collector that the utility model provides, adopt flat, heat collector can be made easily to gather mutually with building, there is no potential safety hazard, easy installation and maintenance, functionally can realize increasing illuminating area, significantly improve heat absorption efficiency, be conducive to temperature (within 300 DEG C) heat energy in efficient storage, in engineering, large area parallel connection uses, stable steam supply can be realized, can organic assembling according to demand.Medium heat conduction in metal inner pipe in employing vacuum tube, overall structure is simple, and medium heat-collecting temperature can reach 200 DEG C, is a kind of efficient medium-temperature collectors.
As two kinds of preferred versions, above-described flat-plate concentration type solar thermal collector, tempering ultra-clear glasses cover plate can be divided into two kinds, one is the direct transmission-type of plane, it is hyperbolic-parabolic reflecting plate below it, heat collector is installed need to do and simple follow the tracks of sunshine device, can be flat single with or tiltedly single with mode; Another kind of glass cover-plate lower surface has groove, form Fresnel light condensing lens, vacuum tube is in centre, sunshine direct projection is converged through Fresnel light condensing lens and is impinged upon on vacuum tube, partially penetrating when sunshine converges on hyperbolic-parabolic speculum, parabola through round-the-clock optics board design can reflex to converged light on vacuum tube in larger tolerance angular range, only needs to place by local latitude angle during installation, realizes the high efficiency heat collector without the need to following the tracks of.
Glass cover-plate adopts tempering coating film treatment, coated glass can increase incident light transmission rate, and reduce surperficial incident light reflectivity, double-sided coating also helps glass surface self-cleaning function, lens adopt low iron ultra-clear glasses material, and tempering requirement of strength reaches the standard of national flat water heater cover-plate glass.
The hyperbolic-parabolic solar panel of heat collector, it can be global formation hyperbolic-parabolic device, device can adopt the mode of die cast or calendering formation or roll-forming to form one, efficient specular reflection film is coated with after hyperbolic-parabolic surface finish and high light spraying drying and processing, can according to the different optically focused requirement of specific product, design and the corresponding hyperbolic-parabolic speculum of optical analog.Heat collector vacuum tube according to product light concentrating times and appearance and size determine vacuum tube concrete in the radical that uses of pipe and outer tube diameter, external structure length and needing.
Heat collector vacuum tube insert cover flexible aluminium alloy ring-shaped finned tube " U " type metal inner pipe, and be welded to enter and exit pipe after thermal insulation foaming fix.The insulation module of medium heat conduction inlet/outlet pipe comprises pipe in heat conduction, can adopt the mouth of pipe connected mode of serial or parallel connection.According to pipe series-parallel system in the heat conduction of heat-conducting medium different choice and import and export position.
The assembling process of flat-plate concentration type solar energy vacuum tube heat collector described in the utility model is: the combination housing first aluminium alloy made and the pressing of galvanized steel plain sheet base plate are shaped, composite parabolic speculum is fixed on fixed base plate, metal inner pipe inserts vacuum tube more together and fixes after inserting elastic heat conducting structure according to sophisticated design size, vacuum tube is made to be fixed on the fixed head of two perforate, insulation module is fixed on inside aluminum alloy combination housing, after whole heat collector internal placement fixedly completes, add ultra-clear glasses or the glass cover-plate with collector lens, assemble on a production line, seal whole explained hereafter.
Beneficial effect: the flat-plate concentration type solar thermal collector that the utility model provides, compared to the prior art have the following advantages: reasonable in design, adopt flat, easily combine with building, there is no potential safety hazard, easy installation and maintenance, functionally by increasing illuminating area, improve heat absorption rate and energy high-temperature storage heat energy greatly, in engineering, large area uses, stable steam supply can be realized, applied widely, warmly during water heater is entered utilize the epoch.
(1) engineering heat collector is adopted simply to follow the tracks of, household heat collector exempts from Tracking method, vacuum tube chain is listed in the burnt band place of lens, water heater is placed according to glass lens thing and is coordinated local latitude angle to install, be equivalent to one dimension tracking effect, coordinate bottom hyperbolic-parabolic reflective mirror, do not adding in tracking situation, when light belt departs from, bottom viewfinder can be reflected back vacuum tube departing from light belt within the specific limits.
(2) outside plug type vacuum tube is adopted.Metal inner pipe adds that several times optically focused makes the medium in metal inner pipe can be heated to more than 200 DEG C, and global design is reasonable, structure is simple, with low cost, warmly during water heater is entered utilizes the epoch.
(3) thermal conductive pipe can serial or parallel connection independent assortment as required, expands the civilian scope of application combined with the versatility of engineering heat collector.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the utility model detailed description of the invention middle plateform focus solar collector.
Fig. 2 is the external structure decomposing schematic representation of heat collector.
Fig. 3 is metal inner pipe cellular construction schematic diagram in heat collecting vacuum pipe.
Fig. 4 is the connected mode schematic diagram of metal inner pipe in insulation module.
Fig. 5 is hyperbolic-parabolic reflecting plate schematic diagram.
Fig. 6 is light focusing unit structural representation.
In figure: 1 heat collector combination housing, 1-1 surrounding fixed head, 1-2 glass cover-plate, 1-3 aluminium alloy glass press strip, 1-4 fixed base plate, 1-5 heat-conducting medium manhole appendix, 1-6 fixed head, 2 heat collector vacuum tubes, coated glass pipe in 2-1,2-2 outer glass pipe, 2-3 elastic heat conducting structure, 2-4 metal inner pipe, 2-5 passes in and out pipeline, 3-reflecting plate, 4-is incubated module.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further, these embodiments should be understood and be only not used in restriction scope of the present utility model for illustration of the utility model, after having read the utility model, the amendment of those skilled in the art to the various equivalent form of value of the present utility model has all fallen within the scope that the application's claims limit.
As depicted in figs. 1 and 2, a kind of flat-plate concentration type solar thermal collector, it comprises: heat collector combination housing 1, heat collector vacuum tube 2, reflecting plate 3 are glass cover-plate 1-2 above heat collector vacuum tube 2, below is reflecting plate 3, installs as a whole by heat collector combination housing; Heat collector combination housing 1 comprises fixed base plate 1-4, surrounding fixed head 1-1, junction, heat collector vacuum tube 2 two ends integral foam forms fixing insulation module 4, perforate 1-5 on fixed head 1-1, be respectively heat-conducting medium import and outlet, the heat collector vacuum tube 2 be connected as a single entity is arranged on fixed head 1-6.
As shown in Figure 5, every root heat collector vacuum tube 2 arranged beneath one piece of hyperbolic-parabolic solar panel, some hyperbolic-parabolic solar panels form reflecting plate 3, and its surface is coated with specular reflection film.Some hyperbolic-parabolic solar panel arranged in parallel are spliced into and are integrally placed on fixed base plate 1-4, and fixed base plate 1-4 adopts galvanized steel plain sheet.Glass cover-plate 1-2 is tempering ultra-clear glasses cover plate, and upper surface is plane, and lower surface is provided with Fresnel light condensing lens, forms complementary combined light gathering structure with the hyperbolic-parabolic solar panel on fixed base plate 1-4.Heat collector combination housing 1 and insulation module 4 form hermetically-sealed construction by aluminium alloy glass press strip 1-3 after assembling.
As shown in Figure 3, heat collector vacuum tube 2 internal layer is interior coated glass pipe 2-1, and skin is glass tube 2-2, the sealing of one, vacuum tube, there is opening other end, and some vacuum tubes 2 are side by side parallel, according to hyperbolic-parabolic reflecting plate focal position, be arranged on heat collector combination housing perforate fixed head 1-6 two.The metal inner pipe 2-4 that medium flows through is enclosed within elastic ring aluminum alloy fin 2-3, inserts in vacuum tube together.As shown in Figure 4,3 metal inner pipe 2-4 are parallel on turnover pipeline 2-5, and medium is flowed into by perforate 1-5 or flows out.
In actual product, heat collector vacuum tube series-parallel system can be selected according to heat-conducting medium difference and import and export position, but all taking tube connector insulation and two ends integrated foaming heat preservation to fix, forming integral heat insulation module 4.Heat collector vacuum tube 2 determines according to product light concentrating times and appearance and size: the radical that in concrete, pipe and outer tube diameter, external structure length and needing uses.
Tempering ultra-clear glasses cover plate 1-2 upper surface is plane, and lower surface can arrange Fresnel light condensing lens, also can adopt planar structure, and the former and hyperbolic-parabolic solar panel form complementary combined light gathering, and the latter and bottom hyperbolic-parabolic solar panel form an optically focused.Toughened process all wanted by ultra-clear glasses cover plate, exempts from the structure of the demand decision glass cover-plate of tracking or simple one dimension tracking according to product.
Hyperbolic-parabolic solar panel shown in Fig. 5 can adopt the mode of die cast or calendering formation or roll-forming to form one, is coated with efficient specular reflection film and diaphragm after hyperbolic-parabolic surface finish and high light powder spraying drying and processing.Can according to the different optically focused requirement of specific product, design and the corresponding hyperbolic-parabolic structure of optical analog.As shown in Figure 6,1-2 is the glass cover-plate with linear Fresnel collector lens to concentrating light principles, is not following the tracks of under prerequisite, and sunray, in larger incidence range, can converge and reflex on heat collector vacuum tube 2.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. a flat-plate concentration type solar thermal collector, it comprises: heat collector combination housing, glass cover-plate, heat collecting vacuum pipe, hyperbolic-parabolic reflecting plate; It is characterized in that: heat collecting vacuum pipe is arranged on fixed head according to the focal position of hyperbolic-parabolic reflecting plate by perforate, foamed by insulation material between fixed head and heat collector combination housing fixing, the slab construction profile that overall formation two is fixing; Heat collector vacuum tube one end is closed, and other end opening, for inserting the metal inner pipe of U-shaped layout; Metal inner pipe is divided into two sections, take bending place as boundary, and one section is inflow segment, and another section is for flowing out section, and inflow segment termination is connected with the inlet pipeline of heat-conducting medium inlet/outlet pipe, flows out section termination and is connected with the outlet conduit of heat-conducting medium inlet/outlet pipe.
2. a kind of flat-plate concentration type solar thermal collector according to claim 1, it is characterized in that: in heat collecting vacuum pipe, arrange elastic heat conducting structure, elastic heat conducting structure is the tubular structure of a side opening, its cross section is integral ring-shaped, which is provided with card interface, for inserting or the metal inner pipe of the U-shaped layout of clamping, heat collecting vacuum pipe is through the perforate on fixed head, and metal inner pipe is connected with heat-conducting medium inlet/outlet pipe; By insulation module, fixed head, heat collecting vacuum pipe end, heat-conducting medium inlet/outlet pipe, heat collector combination housing are assembled as a whole.
3. a kind of flat-plate concentration type solar thermal collector according to claim 1, is characterized in that: heat collector combination housing comprises fixed base plate, surrounding fixed head, and some hyperbolic-parabolic solar panel arranged in parallel are spliced into and are integrally placed on fixed base plate.
4. a kind of flat-plate concentration type solar thermal collector according to claim 1, is characterized in that: glass cover-plate is the dull and stereotyped Nonopaque type glass cover-plate of toughened process, forms a concentration structure with the hyperbolic-parabolic speculum on fixed base plate.
5. a kind of flat-plate concentration type solar thermal collector according to claim 1, it is characterized in that: glass cover-plate is tempering ultra-clear glasses cover plate, upper surface is plane, and lower surface is provided with Fresnel light condensing lens, forms complementary combined light gathering structure with the hyperbolic-parabolic solar panel on fixed base plate.
6. a kind of flat-plate concentration type solar thermal collector according to any one of claim 1-5, is characterized in that: heat collecting vacuum pipe is connected with heat-conducting medium inlet/outlet pipe according to the mode of heat-conducting medium different choice serial or parallel connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520268762.XU CN204593907U (en) | 2015-04-29 | 2015-04-29 | A kind of flat-plate concentration type solar thermal collector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520268762.XU CN204593907U (en) | 2015-04-29 | 2015-04-29 | A kind of flat-plate concentration type solar thermal collector |
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| CN204593907U true CN204593907U (en) | 2015-08-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352562A (en) * | 2016-08-19 | 2017-01-25 | 广东工业大学 | Linear Fresnel solar collector and the manufacturing method thereof |
| CN108317756A (en) * | 2018-04-09 | 2018-07-24 | 中广热（广州）能源技术有限公司 | The reflecting plate running gear of double manifold vacuum cast solar thermal collector |
| CN110425758A (en) * | 2019-08-30 | 2019-11-08 | 广东工业大学 | A kind of thermal-insulating type solar energy heat collector |
-
2015
- 2015-04-29 CN CN201520268762.XU patent/CN204593907U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352562A (en) * | 2016-08-19 | 2017-01-25 | 广东工业大学 | Linear Fresnel solar collector and the manufacturing method thereof |
| CN106352562B (en) * | 2016-08-19 | 2019-01-18 | 广东工业大学 | A kind of manufacturing method of linear fresnel solar concentrating collector |
| CN108317756A (en) * | 2018-04-09 | 2018-07-24 | 中广热（广州）能源技术有限公司 | The reflecting plate running gear of double manifold vacuum cast solar thermal collector |
| CN110425758A (en) * | 2019-08-30 | 2019-11-08 | 广东工业大学 | A kind of thermal-insulating type solar energy heat collector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200922 Address after: No.5 rungu Road, Guli Industrial Park, Jiangning District, Nanjing City, Jiangsu Province Patentee after: JIANGSU AIDI ELECTROMECHANICAL EQUIPMENT INDUSTRY Co.,Ltd. Address before: 211164 Nanjing, Jiangning District, the streets of the valley in the first cow Road, No. 69 Patentee before: NANJING XINGHUAN ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |