CN204757407U - Linear fei nieershi lens solar energy photothermal conversion system of optics - Google Patents
Linear fei nieershi lens solar energy photothermal conversion system of optics Download PDFInfo
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- CN204757407U CN204757407U CN201520232163.2U CN201520232163U CN204757407U CN 204757407 U CN204757407 U CN 204757407U CN 201520232163 U CN201520232163 U CN 201520232163U CN 204757407 U CN204757407 U CN 204757407U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Abstract
The utility model belongs to the technical field of new forms of energy, especially, relate to a linear fei nieershi lens solar energy photothermal conversion system of optics, its characterized in that: including the sunlight tracker, be equipped with the backup pad above the sunlight tracker, be equipped with box lens support frame above the backup pad, be equipped with fresnel lens in the box lens support frame, be equipped with input pipeline, output pipeline in the sunlight tracker, input pipeline, output pipeline are connected with high temperature energy memory. This technical scheme adopts the linear fei nieershi of optics, and because of adopting the detached column design, the plane skylight area is can 55 -200 square optional, so take up an area of for a short time, with low costs, conversion efficiency is high, can reach more than 40%, and the practicality is strong, can realize that application scope is wide on scattered ground such as community, hills.
Description
Technical field
The utility model belongs to technical field of new energies, particularly relates to a kind of optical linear Fresnel lens solar energy optical-thermal converting system.
Background technology
Along with the continuous growth of population in the world and economic scale, the energy use the environmental problem brought and inducement constantly be familiar with by people, the harm of more than smog, acid rain etc., atmospheric carbon dioxide levels raises the Global climate change that will bring, and is also confirmed to be undisputable fact.In this context, a series of new ideas, the new policy such as " carbon footprint ", " low-carbon economy ", " low-carbon technology ", " low carbon development ", " low-carbon (LC) life style ", " low-carbon (LC) city ", " Low Carbon World " is arisen at the historic moment.The theory in low-carbon (LC) epoch promote photo-thermal high-temperature too can the fast development of industry, the automatic regulation function of photo-thermal high-temperature solar energy make energy-saving and environmental protection, low-carbon (LC), comfortable, health, the aspect such as quick advantage more aobvious outstanding.Under the main trend of global low-carbon economy and new forms of energy revolution, photo-thermal solar electrical energy generation will become China and even the maximum leading energy of global following share.
Divide from the industry of application: the generatings such as existing coal firepower Generate, Generation, Generator volt, wind-force, water conservancy, nuclear power, combustion gas can be substituted.Because the high temperature of 800 ° of more than C can be produced under a class illumination, 500 ° of C can be produced under two class illumination, and possess unique heat accumulation advantage, can so mankind's basic livings such as household electricity, domestic hot-water, municipal heating not only can be met, the use energy of much industry, commercial field can also be born, substitute Industrial Boiler and the air-conditionings such as existing coal, combustion gas, heavy oil; As industrial circle: freezer refrigerating, that the temper tiniting of textile printing and dyeing industry, paper industry are dried, rubber is heated is shaping, oilfield tube network adds the dilution of gentle downhole crude, desalinization etc.; Commerce services industry field: the refrigeration heating of hotel, office building, hospital, school etc.; Plant cultivation agriculture field etc.; Substantially the energy demand of the mankind more than 80% is met.
Divide from conversion mode: have opto-electronic conversion (photovoltaic), photothermal deformation (having tower, butterfly, slot type, upper antilinear Fresnel, Stirling formula and optical linear Fresnel at present) and Photochemical convertion, photo-thermal solar energy conversion aspect, the first five kind all adopts reflective mechanism, floor space is large, construction cost is high, and conversion ratio is low.Last a kind of optical linear Fresnel, current employing mode is all directly the directional light of sunshine is directly shone on cell piece or on vacuum tube, and solar energy is converted to photo-thermal, and the conversion ratio of this mode is also very low.
Summary of the invention
The utility model provides a kind of optical linear Fresnel lens solar energy optical-thermal converting system, and large to solve the floor space proposed in above-mentioned background technology, construction cost is high, the problem that conversion ratio is low.
The technical problem that the utility model solves realizes by the following technical solutions: the utility model provides a kind of optical linear Fresnel lens solar energy optical-thermal converting system, it is characterized in that: comprise sun light tracking device, gripper shoe is provided with above described sun light tracking device, box lens holder is provided with above described gripper shoe, Fresnel Lenses is provided with in described box lens holder, be provided with input channel, output channel in described sun light tracking device, described input channel, output channel are connected with high-temperature energy accumulation device.
Described sun light tracking device comprises vertical columns, and be provided with Rotary cloumn above described vertical columns, be provided with the first decelerator between described vertical columns and Rotary cloumn, the both sides of described Rotary cloumn are connected to the first diagonal brace, second diagonal brace, described first diagonal brace, be connected with girder above second diagonal brace, described girder comprises the first support arm, second support arm, one end of described first support arm is provided with the second decelerator, described first support arm, be provided with carriage between second support arm, described first diagonal brace is connected with the first support arm, and described second diagonal brace is connected with the second support arm, described Rotary cloumn inner hollow, and there is input channel its inside, output channel, described input channel is provided with the first crossover sub, second crossover sub, described output channel is provided with the 3rd crossover sub, 4th crossover sub, described output channel, one end of input channel is passed vertical columns and is positioned at the outside of vertical columns, described input channel, the other end of output channel is connected with carriage respectively through Rotary cloumn, is provided with the first vertical file above described girder, middle vertical file, second vertical file, described middle vertical file is positioned at the first vertical file, between second vertical file, described first vertical file, second vertical file lays respectively at the two ends of girder, described first vertical file, the first crosspiece is also provided with between second vertical file, second crosspiece, described first crosspiece, second crosspiece is positioned at the both sides of girder.
Described first crossover sub comprises sleeve, described sleeve one end open, the other end is provided with circular hole, one end of described sleeve openings is provided with pipeline, spring is provided with between described pipeline and sleeve, the side of described pipeline is provided with block, the first sealing ring is provided with between described block and spring, baffle plate is provided with between described first sealing ring and spring, the opening part of described pipeline is also provided with door, described door is enclosed within outside pipeline, described door is connected by set bolt with sleeve, the second sealing ring is provided with between described door and block, described door side is provided with groove, the 3rd sealing ring is provided with in described groove, described 3rd sealing ring is between door and sleeve, described second crossover sub, the structure of the 4th crossover sub is identical with the structure of the first crossover sub.
Described in described box lens holder, box bracing frame is divided into two-layer, be respectively upper strata bracing frame, lower layer support frame, described upper strata bracing frame comprises horizontal support, longitudinal carrier, described longitudinal carrier is identical with the structure of horizontal support, and between adjacent horizontal support, Fresnel Lenses is provided with between described adjacent longitudinal carrier, the structure of described lower layer support frame is identical with the structure of upper strata bracing frame, described lower layer support frame is provided with thermal-collecting tube, vertical support column is provided with between described upper strata bracing frame and lower layer support frame, also comprise wind resistance plate, four sides of described box bracing frame are equipped with wind resistance plate, the cross section of described wind resistance plate is triangle.
The top of described horizontal support, bottom and both sides are equipped with groove, described groove is communicated by groove with the external world, the two ends of described horizontal support are respectively equipped with rubber seal, described horizontal support inside is provided with cavity and passage, the upper surface of described horizontal support is provided with the first stopper slot, second stopper slot, described first stopper slot, second stopper slot is positioned at the homonymy of groove, support member is provided with in described first stopper slot, described first stopper slot top is provided with the first spacing preiection, the bottom of described support member is positioned at the first stopper slot, the side of described support member is provided with the limit sliding chutes matched with the first spacing preiection, the top shape of described support member is semicircle, piece under pressure is provided with in described second stopper slot, described second stopper slot top is provided with the second spacing preiection, the bottom of described piece under pressure is provided with the retaining convex rib matched with the second spacing preiection, the side of described piece under pressure is provided with lower pressure arm, described Fresnel Lenses is between lower pressure arm and support member.
Described Fresnel Lenses comprises substrate, saw-tooth-type structures, the top of described substrate is provided with saw-tooth-type structures, and lower surface is provided with exit facet, sawtooth is provided with in described saw-tooth-type structures, lens plane, sawtooth is provided with above described lens plane, pitch is set between described sawtooth and sawtooth, and comprise interference surface, profile of tooth inclined plane, Interference angle, operating angle, angle between described profile of tooth inclined plane and lens plane is set to operating angle, and and angle between interference surface be acute angle, described operating angle is acute angle, angle between described interference surface and lens plane is set to Interference angle, described Interference angle is obtuse angle, described saw-tooth-type structures is by sawtooth compact district, sawtooth district, sawtooth rarefaction forms, described sawtooth compact district is positioned at the centre of saw-tooth-type structures, described sawtooth district is positioned at both sides, sawtooth compact district, and it is symmetrical about sawtooth compact district, described sawtooth rarefaction is positioned at the two ends of saw-tooth-type structures, and be positioned at the outside in sawtooth district and symmetrical about sawtooth compact district, the tooth depth of described sawtooth is set to more than 0.8mm.
Described high-temperature energy accumulation device comprises tank body, coil exchanger is provided with in described tank body, Ceramic Balls is filled with between described tank body and coil heat exchanger, aluminium wire is enclosed with in described Ceramic Balls, also aluminium is filled with in described tank body, the outer surface cover of described tank body has heat-insulation layer, described heat-insulation layer comprises the first heat resistanceheat resistant conduction heat-insulation layer, thermal radiation resistance heat-insulation layer, second heat resistanceheat resistant conduction heat-insulation layer, physical protection layer, described thermal radiation resistance heat-insulation layer is positioned at the first heat resistanceheat resistant conduction heat-insulation layer, between second heat resistanceheat resistant conduction heat-insulation layer, described physical protection layer is positioned at the outside of the second heat resistanceheat resistant conduction heat-insulation layer.
The density of described Ceramic Balls is 3600Kg/m3, and specific heat capacity is 850J/ (KgK), and thermal conductivity factor is 41.6W/ (mK).
The beneficial effects of the utility model are:
1 the technical program adopts optical linear Fresnel, because adopting detached column design, plane skylight area can 55-200 square optional, so take up an area little, cost is low, conversion efficiency is high, can reach more than 40%, practical, can realize on scattered ground on community, hills etc., applied widely.
2 sun light tracking device inside are provided with medium circulation tube road, mainly be applicable to photo-thermal field, its overall structure is firm, rationally, there is stronger wind resistance desertification ability, adapt to various bad weather, this programme is through repeatedly structure optimization in addition, full load can support the optical lens casing area of 67 squares, load 1400 kilograms, bearing capacity is strong, adopt universal three-dimensional rotation solar energy all-weather traction, because not being subject to external interference, precision is high, error is only for once positive and negative, compare current most solar energy receiving equipment GPS and the larger mode of light tracking error, more than 2 hours illumination thermal-arrests can be promoted, good prerequisite is provided for making full use of solar energy.Attitude sensing: adopt closed-loop control method, achieve the in good time tracking of chronometer data, makes operating at full capacity of tracker improve more than four times than originally.Remote communication interface: by " 485 " bus type interface, makes the quantitative long-range gesture stability such as " wind sheltering ", " keeping away snow ", " keeping away dirt ", " antifreeze ", " anti-system heat spilling, tracking, dormancy " to equipment.Innovation tracker mechanical framework: take three-dimensional rotation platform, realize driving from shaft type, it is compared with traditional three-dimensional tracker, possesses that wind loading rating is strong, driving mechanism is little, driving power is little, drive gap is minimum, it is extremely stable to run; Bearing capacity is strong, can be used for heavier photo-thermal collecting device; Conveniently install and use at plateau, roof; Component material is few, from heavy and light, cheap; And the advantage such as easy to maintenance.
The box lens holder of 3 the technical program has filled up the blank of domestic employing printing opacity principle lens holder, and integral structure layout is reasonable, and implementation result is ideal.Profile structure is by the design in cross section, and can increase the entirety of section bar by force intensity, its inside is provided with cavity, can reduce section bar materials, not only can reduce cost, can also reduce section bar weight, conveniently transport installation.Traditional bracing frame mostly is square, rectangle, and the technical program cross section is rhombus, owing to adding leg-of-mutton wind resistance plate, effectively can reduce windage, can also reduce section bar materials, too increases the diversity attractive in appearance of product simultaneously.Because the technical program adopts the design of hollow out, again the gripper shoe of bottom is made transparent, make optical lens, heat collector, special-shaped section framework, gripper shoe jointly form the rhombus casing of printing opacity, the healthy growth of the airtight and casing underneath vegetation under dust storm weather can be ensured.
The sunshine of 4 Fresnel Lenses converges hot spot can board design as required, adopts that global formation length can infinitely extend, hot spot is controlled, energy conversion efficiency is high, converge hot spot accurately controlled, low cost of manufacture.The tooth depth of the sawtooth of this Fresnel Lenses can reach more than 0.8mm, forms the convergence rate that more large-area sensitive surface improves lens, makes convergence hot spot accurately controlled.The Fresnel Lenses principal character of this patent is converge sunshine hot spot in the scope of a line, on the interception face that this hot spot can effectively utilize hot spot to be formed, makes photothermy on the accumulation of heat devices such as heat pipe, improves heat utilization efficiency and energy conversion efficiency.
5 high-temperature energy accumulation devices take pottery as base material, aluminium is as heat conduction and connecting material, thus realize high-temperature heat-conductive function, the density of Ceramic Balls is 3600Kg/m3, specific heat capacity is 850J/ (KgK), thermal conductivity factor is 41.6W/ (mK), and its thermal conductivity factor is much larger than fused salt and concrete thermal conductivity factor 0.5-2W/ (mK).Aluminium is as excellent Heat Conduction Material in addition, in common metal, its thermal conductivity factor is only second to copper and silver, λ=236W/ (mK), is injected by aluminium and Ceramic Balls is housed and in the tank body of the good heat exchanger of cloth, overall heat exchange efficiency can improve a lot, the corrosion resistance of aluminium is fine, can avoid using the high-quality alloy tank body in fused salt heat collecting system, cost-saving, the hot property of aluminium and pottery and power stable performance, there will not be damage and the performance degradation of concrete and phase-change alloy.Overall technical architecture is solid-state sensible heat heat accumulation; one-time-concreting is shaping; construction is simple; there is no potential safety hazard; long-range angle is seen also can not produce environmental pollution; because pot temperature is at 600 DEG C; so install heat-insulation layer additional outside tank body, should calculate according to the thickness of pot temperature to heat-insulation layer in reality, pot temperature is higher; the thickness of heat-insulation layer is then larger; thermal radiation resistance heat-insulation layer in heat-insulation layer is aluminum oxide film, and infrared emanation reflectivity is more than 90%, and physical protection layer is stainless steel casing; tank body and heat-insulation layer are protected, avoids the damage of external force.
Accompanying drawing explanation
Fig. 1 is the assembling schematic diagram of the utility model sun light tracking device and box lens holder;
Fig. 2 is the structural representation of the utility model sun light tracking device;
Fig. 3 is the assembling schematic diagram of the utility model sun light tracking device and high-temperature energy accumulation device;
Fig. 4 is the structural representation of the utility model first crossover sub;
Fig. 5 is the structural representation of the utility model upper strata bracing frame;
Fig. 6 is the assembling schematic diagram of the utility model Fresnel Lenses and longitudinal carrier;
Fig. 7 is the front schematic view of the utility model Fresnel Lenses;
Fig. 8 is the sectional view of the utility model Fresnel Lenses.
In figure: 1-vertical columns, 2-first decelerator, 3-Rotary cloumn, 4-first diagonal brace, 5-second diagonal brace, 6-girder, 7-second support arm, 8-first support arm, 9-carriage, 10-first vertical file, 11-second vertical file, vertical file in the middle of 12-, 16-second decelerator, 17-input channel, 18-output channel, 19-first crossover sub, 20-the 3rd crossover sub, 21-second crossover sub, 22-the 4th crossover sub, 23-sleeve, 24-first crosspiece, 25-second crosspiece, 26-circular hole, 27-spring, 28-pipeline, 29-block, 30-first sealing ring, 31-baffle plate, 32-door, 33-set bolt, 34-second sealing ring, 35-groove, 36-the 3rd sealing ring, 37-sun light tracking device, 38-gripper shoe, the box lens holder of 39-, 40-upper strata bracing frame, 41-lower layer support frame, the vertical support column of 42-, 43-wind resistance plate, 47-horizontal support, 48-longitudinal carrier, 49-groove, 50-groove, 51-passage, 52-cavity, 53-rubber seal, 54-Fresnel Lenses, 55-first stopper slot, 56-second stopper slot, 57-first spacing preiection, 58-second spacing preiection, 59-support member, 60-piece under pressure, 61-limit sliding chutes, 62-retaining convex rib, pressure arm under 63-, 64-saw-tooth-type structures, 65-sawtooth district, 66-sawtooth compact district, 67-sawtooth rarefaction, 68-interference surface, 69-profile of tooth inclined plane, 70-Interference angle, 71-operating angle, 72-pitch, 73-substrate, 74-lens plane, 75-sawtooth, 76-tank body, 77-coil heat exchanger, 78-Ceramic Balls, 79-aluminium wire, 80-aluminium, 81-first heat resistanceheat resistant conduction heat-insulation layer, 82-thermal radiation resistance heat-insulation layer, 83-second heat resistanceheat resistant conduction heat-insulation layer, 84-physical protection layer, 85-heat-insulation layer, 86-high-temperature energy accumulation device, 87-thermal-collecting tube.
Detailed description of the invention
The present embodiment comprises sun light tracking device 37, sun light tracking device 37 is provided with gripper shoe 38 above, gripper shoe 38 is provided with box lens holder 39 above, Fresnel Lenses 54 is provided with in box lens holder 39, be provided with input channel 17, output channel 18 in sun light tracking device 37, input channel 17, output channel 18 are connected with high-temperature energy accumulation device 86.
Sun light tracking device 37 comprises vertical columns 1, and be provided with Rotary cloumn 3 above vertical columns 1, be provided with the first decelerator 2 between vertical columns 1 and Rotary cloumn 3, the both sides of Rotary cloumn 3 are connected to the first diagonal brace 4, second diagonal brace 5, first diagonal brace 4, second diagonal brace 5 is connected with girder 6 above, and girder 6 comprises the first support arm 8, one end of second support arm 7, first support arm 8 is provided with the second decelerator 16, first support arm 8, be provided with carriage 9 between second support arm 7, the first diagonal brace 4 is connected with the first support arm 8, and the second diagonal brace 5 is connected with the second support arm 7, Rotary cloumn 3 inner hollow, and there is input channel 17 its inside, output channel 18, input channel 17 is provided with the first crossover sub 19, second crossover sub 21, output channel 18 is provided with the 3rd crossover sub 20, 4th crossover sub 22, output channel 18, one end of input channel 17 is passed vertical columns 1 and is positioned at the outside of vertical columns 1, input channel 17, the other end of output channel 18 is connected with carriage 9 respectively through Rotary cloumn 3, is provided with the first vertical file 10 above girder 6, middle vertical file 12, second vertical file 11, middle vertical file 12 is positioned at the first vertical file 10, between second vertical file 11, the first vertical file 10, second vertical file 11 lays respectively at the two ends of girder 6, the first vertical file 10, the first crosspiece 24 is also provided with between second vertical file 11, second crosspiece 25, first crosspiece 24, second crosspiece 25 is positioned at the both sides of girder 6.
Described first crossover sub 19 comprises sleeve 23, sleeve 23 one end open, the other end is provided with circular hole 26, one end of sleeve 23 opening is provided with pipeline 28, spring 27 is provided with between pipeline 28 and sleeve 23, the side of pipeline 28 is provided with block 29, the first sealing ring 30 is provided with between block 29 and spring 27, baffle plate 31 is provided with between first sealing ring 30 and spring 27, the opening part of pipeline 28 is also provided with door 32, door 32 is enclosed within outside pipeline 28, door 32 is connected by set bolt 33 with sleeve 23, the second sealing ring 34 is provided with between door 32 and block 29, door 32 side is provided with groove 35, the 3rd sealing ring 36 is provided with in groove 35, 3rd sealing ring 36 is between door 32 and sleeve 23, second crossover sub 21, the structure of the 4th crossover sub 22 is identical with the structure of the first crossover sub 19.
Box lens holder 39 is divided into two-layer, be respectively upper strata bracing frame 40, lower layer support frame 41, upper strata bracing frame 40 comprises horizontal support 47, longitudinal carrier 48, longitudinal carrier 48 is identical with the structure of horizontal support 47, and between adjacent horizontal support 47, Fresnel Lenses 54 is provided with between adjacent longitudinal carrier 48, the structure of lower layer support frame 41 is identical with the structure of upper strata bracing frame 40, lower layer support frame 41 is provided with thermal-collecting tube 87, vertical support column 42 is provided with between upper strata bracing frame 40 and lower layer support frame 41, also comprise wind resistance plate 43, four sides of box lens holder 39 are equipped with wind resistance plate 43, the cross section of wind resistance plate 43 is triangle.
The top of horizontal support 47, bottom and both sides are equipped with groove 49, groove 49 is communicated by groove 50 with the external world, the two ends of horizontal support 47 are respectively equipped with rubber seal 53, horizontal support 47 inside is provided with cavity 52 and passage 51, the upper surface of horizontal support 47 is provided with the first stopper slot 55, second stopper slot 56, first stopper slot 55, second stopper slot 56 is positioned at the homonymy of groove 49, support member 59 is provided with in first stopper slot 55, first stopper slot 55 top is provided with the first spacing preiection 57, the bottom of support member 59 is positioned at the first stopper slot 55, the side of support member 59 is provided with the limit sliding chutes 61 matched with the first spacing preiection 57, the top shape of support member 59 is semicircle, piece under pressure 60 is provided with in second stopper slot 56, second stopper slot 56 top is provided with the second spacing preiection 58, the bottom of piece under pressure 60 is provided with the retaining convex rib 62 matched with the second spacing preiection 58, the side of piece under pressure 60 is provided with lower pressure arm 63, Fresnel Lenses 54 is between lower pressure arm 63 and support member 59.
Fresnel Lenses 54 comprises substrate 73, saw-tooth-type structures 64, the top of substrate 73 is provided with saw-tooth-type structures 64, and lower surface is provided with exit facet, sawtooth 75 is provided with in saw-tooth-type structures 64, lens plane 74, sawtooth 75 is provided with above lens plane 74, pitch 72 is set between sawtooth 75 and sawtooth 75, and comprise interference surface 68, profile of tooth inclined plane 69, Interference angle 70, operating angle 71, angle between profile of tooth inclined plane 69 and lens plane 74 is set to operating angle 71, and and angle between interference surface 68 be acute angle, operating angle 71 is acute angle, angle between interference surface 68 and lens plane 74 is set to Interference angle 70, Interference angle 70 is obtuse angle, saw-tooth-type structures 64 is by sawtooth compact district 66, sawtooth district 65, sawtooth rarefaction 67 forms, sawtooth compact district 66 is positioned at the centre of saw-tooth-type structures 64, sawtooth district 65 is positioned at both sides, sawtooth compact district 66, and it is symmetrical about sawtooth compact district 66, sawtooth rarefaction 67 is positioned at the two ends of saw-tooth-type structures 64, and be positioned at the outside in sawtooth district 65 and symmetrical about sawtooth compact district 66, the tooth depth of sawtooth 75 is set to more than 0.8mm.
High-temperature energy accumulation device 86 comprises tank body 76, coil exchanger 77 is provided with in tank body 76, Ceramic Balls 78 is filled with between tank body 76 and coil heat exchanger 77, aluminium wire 79 is enclosed with in Ceramic Balls 78, aluminium 80 is also filled with in tank body 76, the outer surface cover of tank body 76 has heat-insulation layer 85, heat-insulation layer 85 comprises the first heat resistanceheat resistant conduction heat-insulation layer 81, thermal radiation resistance heat-insulation layer 82, second heat resistanceheat resistant conduction heat-insulation layer 83, physical protection layer 84, thermal radiation resistance heat-insulation layer 82 is positioned at the first heat resistanceheat resistant conduction heat-insulation layer 81, between second heat resistanceheat resistant conduction heat-insulation layer 83, physical protection layer 84 is positioned at the outside of the second heat resistanceheat resistant conduction heat-insulation layer 83.
The density of Ceramic Balls 78 is 3600Kg/m3, and specific heat capacity is 850J/ (KgK), and thermal conductivity factor is 41.6W/ (mK).
Above embodiment of the present utility model is described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model, all equalizations done according to the utility model application range change and improve, and all should still belong within patent covering scope of the present utility model.
Claims (8)
1. an optical linear Fresnel lens solar energy optical-thermal converting system, it is characterized in that: comprise sun light tracking device, gripper shoe is provided with above described sun light tracking device, box lens holder is provided with above described gripper shoe, Fresnel Lenses is provided with in described box lens holder, be provided with input channel, output channel in described sun light tracking device, described input channel, output channel are connected with high-temperature energy accumulation device.
2. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 1, it is characterized in that: described sun light tracking device comprises vertical columns, Rotary cloumn is provided with above described vertical columns, be provided with the first decelerator between described vertical columns and Rotary cloumn, the both sides of described Rotary cloumn are connected to the first diagonal brace, second diagonal brace, described first diagonal brace, be connected with girder above second diagonal brace, described girder comprises the first support arm, second support arm, one end of described first support arm is provided with the second decelerator, described first support arm, be provided with carriage between second support arm, described first diagonal brace is connected with the first support arm, and described second diagonal brace is connected with the second support arm, described Rotary cloumn inner hollow, and there is input channel its inside, output channel, described input channel is provided with the first crossover sub, second crossover sub, described output channel is provided with the 3rd crossover sub, 4th crossover sub, described output channel, one end of input channel is passed vertical columns and is positioned at the outside of vertical columns, described input channel, the other end of output channel is connected with carriage respectively through Rotary cloumn, is provided with the first vertical file above described girder, middle vertical file, second vertical file, described middle vertical file is positioned at the first vertical file, between second vertical file, described first vertical file, second vertical file lays respectively at the two ends of girder, described first vertical file, the first crosspiece is also provided with between second vertical file, second crosspiece, described first crosspiece, second crosspiece is positioned at the both sides of girder.
3. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 2, it is characterized in that: described first crossover sub comprises sleeve, described sleeve one end open, the other end is provided with circular hole, one end of described sleeve openings is provided with pipeline, spring is provided with between described pipeline and sleeve, the side of described pipeline is provided with block, the first sealing ring is provided with between described block and spring, baffle plate is provided with between described first sealing ring and spring, the opening part of described pipeline is also provided with door, described door is enclosed within outside pipeline, described door is connected by set bolt with sleeve, the second sealing ring is provided with between described door and block, described door side is provided with groove, the 3rd sealing ring is provided with in described groove, described 3rd sealing ring is between door and sleeve, described second crossover sub, the structure of the 4th crossover sub is identical with the structure of the first crossover sub.
4. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 1, it is characterized in that: described in described box lens holder, box bracing frame is divided into two-layer, be respectively upper strata bracing frame, lower layer support frame, described upper strata bracing frame comprises horizontal support, longitudinal carrier, described longitudinal carrier is identical with the structure of horizontal support, and between adjacent horizontal support, Fresnel Lenses is provided with between described adjacent longitudinal carrier, the structure of described lower layer support frame is identical with the structure of upper strata bracing frame, described lower layer support frame is provided with thermal-collecting tube, vertical support column is provided with between described upper strata bracing frame and lower layer support frame, also comprise wind resistance plate, four sides of described box bracing frame are equipped with wind resistance plate, the cross section of described wind resistance plate is triangle.
5. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 4, it is characterized in that: the top of described horizontal support, bottom and both sides are equipped with groove, described groove is communicated by groove with the external world, the two ends of described horizontal support are respectively equipped with rubber seal, described horizontal support inside is provided with cavity and passage, the upper surface of described horizontal support is provided with the first stopper slot, second stopper slot, described first stopper slot, second stopper slot is positioned at the homonymy of groove, support member is provided with in described first stopper slot, described first stopper slot top is provided with the first spacing preiection, the bottom of described support member is positioned at the first stopper slot, the side of described support member is provided with the limit sliding chutes matched with the first spacing preiection, the top shape of described support member is semicircle, piece under pressure is provided with in described second stopper slot, described second stopper slot top is provided with the second spacing preiection, the bottom of described piece under pressure is provided with the retaining convex rib matched with the second spacing preiection, the side of described piece under pressure is provided with lower pressure arm, described Fresnel Lenses is between lower pressure arm and support member.
6. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 1, it is characterized in that: described Fresnel Lenses comprises substrate, saw-tooth-type structures, the top of described substrate is provided with saw-tooth-type structures, and lower surface is provided with exit facet, sawtooth is provided with in described saw-tooth-type structures, lens plane, sawtooth is provided with above described lens plane, pitch is set between described sawtooth and sawtooth, and comprise interference surface, profile of tooth inclined plane, Interference angle, operating angle, angle between described profile of tooth inclined plane and lens plane is set to operating angle, and and angle between interference surface be acute angle, described operating angle is acute angle, angle between described interference surface and lens plane is set to Interference angle, described Interference angle is obtuse angle, described saw-tooth-type structures is by sawtooth compact district, sawtooth district, sawtooth rarefaction forms, described sawtooth compact district is positioned at the centre of saw-tooth-type structures, described sawtooth district is positioned at both sides, sawtooth compact district, and it is symmetrical about sawtooth compact district, described sawtooth rarefaction is positioned at the two ends of saw-tooth-type structures, and be positioned at the outside in sawtooth district and symmetrical about sawtooth compact district, the tooth depth of described sawtooth is set to more than 0.8mm.
7. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 1, it is characterized in that: described high-temperature energy accumulation device comprises tank body, coil exchanger is provided with in described tank body, Ceramic Balls is filled with between described tank body and coil heat exchanger, aluminium wire is enclosed with in described Ceramic Balls, also aluminium is filled with in described tank body, the outer surface cover of described tank body has heat-insulation layer, described heat-insulation layer comprises the first heat resistanceheat resistant conduction heat-insulation layer, thermal radiation resistance heat-insulation layer, second heat resistanceheat resistant conduction heat-insulation layer, physical protection layer, described thermal radiation resistance heat-insulation layer is positioned at the first heat resistanceheat resistant conduction heat-insulation layer, between second heat resistanceheat resistant conduction heat-insulation layer, described physical protection layer is positioned at the outside of the second heat resistanceheat resistant conduction heat-insulation layer.
8. a kind of optical linear Fresnel lens solar energy optical-thermal converting system as claimed in claim 7, it is characterized in that: the density of described Ceramic Balls is 3600Kg/m3, specific heat capacity is 850J/ (KgK), and thermal conductivity factor is 41.6W/ (mK).
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| CN201520232163.2U CN204757407U (en) | 2015-04-16 | 2015-04-16 | Linear fei nieershi lens solar energy photothermal conversion system of optics |
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| CN201520232163.2U CN204757407U (en) | 2015-04-16 | 2015-04-16 | Linear fei nieershi lens solar energy photothermal conversion system of optics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953528A (en) * | 2016-07-05 | 2016-09-21 | 福建船政交通职业学院 | Heat collection type solar circulation drying system based on Fresnel lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953528A (en) * | 2016-07-05 | 2016-09-21 | 福建船政交通职业学院 | Heat collection type solar circulation drying system based on Fresnel lens |
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