CN101261045A - Large-sized solar energy sun-following heat-collecting system - Google Patents
Large-sized solar energy sun-following heat-collecting system Download PDFInfo
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- CN101261045A CN101261045A CNA2008100643049A CN200810064304A CN101261045A CN 101261045 A CN101261045 A CN 101261045A CN A2008100643049 A CNA2008100643049 A CN A2008100643049A CN 200810064304 A CN200810064304 A CN 200810064304A CN 101261045 A CN101261045 A CN 101261045A
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- 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
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Abstract
The invention provides a large-scale sun-tracing energy-collecting system used for large-scale solar electrical energy generation. The invention adopts the proposal that: a large-scale rotary array base is built on the water surface for sun tracing; a plurality of rows of primary reflector arrays are arranged above the large-scale rotary array base; a small secondary reflector which is reflected back is arranged on a focal point of a primary reflector, and a light transmission pipe is arranged on a focal point of the secondary reflector; a front end of the light transmission pipe is provided with a light-leading head which parallelly leads sunbeams after focusing into the light transmission pipe, and then the light transmission pipe transmits light energy after beam concentration, total reflection of the pipe wall and reflection of curved parts to the inside of a cavity power absorber for energy conversion, thereby collection and utilization of sparse solar energy with low cost are realized.
Description
Technical field
The present invention relates to a kind of solar electrical energy generation and energy saver.
Technical background
Solar energy is inexhaustible, is the human optimal energy.Because the uncommon property and the directionality of dredging of solar energy makes the tracking of solar energy and collection become the crux technology.In the practical application of solar energy power generating, after day tracking technique is patrolled in employing, can significantly improve the efficient that solar energy utilizes, simultaneously also make the utilization of solar energy reflection mirror focusing technology that plinth base and guarantee have been arranged, but because the existing day system's cost that patrols is higher, and speculum energy collecting technology is also more original, and its application only limits to the simple utilization of solar cooker, heliostat, flute profile and butterfly mirror.Thereby limited the development and application of solar energy industry aspect high-power power field and household energy conservation.
Summary of the invention
The objective of the invention is: at above-mentioned present situation, aim to provide a kind of large-sized solar energy sun-following heat-collecting system that can carry out low cost, extensive, big-power solar generating and heating energy-saving.
The solution of the present invention constitutes by patrolling Japanese two parts of energy integration system of unifying.The former is the basis, and the latter is a upper layer application.
First's scheme is: build floating, a large-scale rotation array pedestal that can unitary rotation on the water surface, on the rotation array pedestal, establish many row's solar panels or speculum, an axis of rotation is set in the middle of the rotation array pedestal, and the rotation array pedestal is by patrolling sun-tracker control and centering on the axle center unitary rotation.The elevation angle of every row's solar panel or speculum is also by patrolling sun-tracker by the unified control of connecting rod above the rotation array pedestal.Such benefit is exactly: patrol sun-tracker with one and just can finish patrolling of large-area solar battery array or energy collecting speculum day followed the tracks of and control, thereby the cost reduction, and mechanical system becomes one dimension by two dimensional motion, also increased reliability.This rotation array pedestal also can be installed on land, and its benefit is to utilize desert land resource, but the wheel support of rolling will be installed below the rotation array pedestal.Can consider to use magnetic force to carry out suspension support in addition or build annular water tank and support by buoyancy, the mode that also can adopt tower bar or shelf to suspend in midair in conjunction with drag-line realizes the support to the rotation array pedestal.If the area of rotation array pedestal is less, just needn't use wheel and drag-line, only the post support of revolving with the axle center gets final product.And the rotation array seat surface inclination that can suitably face south.
This part also has the large-scale simple and easy day scheme of patrolling, and its content is: a large-scale energy collecting reflection mirror array is set on the ground, and wherein each frame speculum two dimension of all adopting traditional vertical shaft to add transverse axis is patrolled a day method.In order to reduce construction cost, can utilize the method for drag-line transmission to realize patrolling the unified control of sun-tracker to many speculums.The rotation of its every speculum vertical shaft is wound on rope on the vertical shaft by each and is serially connected and carries out unified pulling control, and the rotation of its transverse axis is controlled and spurred by each minute drag-line that another root is connected on the total drag-line of transverse axis.This scheme simple possible though can not be used for patrolling day of heliostat, is applicable to patrolling day of energy integration system of the present invention and solar battery array.The rotation control of its vertical shaft also can substitute drag-line with worm screw, can increase construction cost but do like this.
The scheme of second portion of the present invention is: described patrolling day is provided with a large amount of batterfly shape reflective mirrors above the system in first, heliostat or the various first order reflection mirror that can carry out focusing sunlight, be provided with again at the focus place of first order reflection mirror one less, secondary reflex mirror to back reflective, and be provided with one in focusing place of this secondary reflex mirror and lose pipe, the front end of losing pipe is provided with the light lead head, the function of light lead head is that pipe is lost in the parallel introducing of sunshine boundling after the secondary reflex mirror is focused on, lose pipe with the reflection of the luminous energy after the boundling through the total reflection of tube wall and crooked position after, transfer to and carry out the energy conversion in the shape energy absorber of chamber.Chamber shape energy absorber is exactly the chamber shape photo-thermal or the photoelectric conversion device of hollow, be characterized in light enter in the chamber from osculum after luminous energy leak less, so the conversion efficiency height.Photo-thermal type energy absorber is mainly used in solar energy thermal-power-generating and heat supply, and its structure is simpler, in establish water cavity or heat-transfer pipe.Photoelectric type energy absorber cavity wall is provided with solar cell, enters can be radiated on the solar panel uniformly after interior light process lens scatter of chamber shape energy absorber and chamber wall reflect.To establish the radiating and cooling device at photoelectric type energy absorber cavity outer wall.Because after adopting energy collecting scheme of the present invention, the intensity of illumination of solar cell can be improved tens to more than the hundred times, the generated output of its solar panel also can the bigger multiple of corresponding raising, but the caloric value of its solar panel also can increase the problem so the radiating and cooling of chamber shape energy absorber can become to attach most importance to thereupon greatly simultaneously.Its cooling profiles can consider to use the infrared ray isolation technics, and the infrared lights that refractive index is different are separated from visible light, and it can not be entered in the photoelectric type energy absorber chamber.Its another one cooling profiles is: solar cell is soaked in the heat transfer medium of printing opacity insulation and dispels the heat.For example use transparent transformer insulation oil or super conducting heat transfer medium etc.The most simple and practical method is that chamber shape energy absorber is positioned in the water, but will consider the waterproof measure of solar cell.In the process of losing pipe transmission luminous energy, can use the light harvesting head to carry out the energy compression, soon multichannel is lost pipe and is merged into one the tunnel.Also can carry out the circuit laying to losing pipe with light pipe bend, light path switch.Light harvesting head and light lead head all should be used the infrared lenses manufacturing, to reduce the heating loss.In this programme when losing pipe and lay, if the heating of some light path elements is too high, can adopt the cooling of supplying water of drip irrigation system on the agricultural, be using water wisely, should add one deck water containing chamber in the light path element outside, the valve and the steam outlet of water level control will be arranged in water containing chamber.The effective glass tube of losing in this programme gets final product, and also can use the pipe of losing of other materials such as plastic tube of aluminizer to substitute.When using fibre-optic bundle to replace losing pipe, if the permission of the energy transmission density of fibre bundle then can be concentrated luminous energy and compresses, to be reached the purpose of the more high-power generating scale of integration with the light harvesting head.Use fibre bundle to substitute the key point of losing pipe and be fibre-optic biography energy density and loss, the energy that occupies very big ratio at the solar spectral mid-infrared light, general optical fiber can't transmit, should consider to use the hollow energy-transmission optic fibre, but energy-transmission optic fibre is less in industrial use at present, thereby price is higher, and from present cost angle, it is higher to adopt thick any glass to lose the feasibility of pipe.Lose pipe when solar thermal power generation is used in this programme, can carry out part or all of substituting with super heat-conductive pipe, be characterized in photo-thermal die cavity shape energy absorber is positioned over certain position of system capacity stream, concentrate in the mode of heat energy and transmit in the aft section of chamber shape energy absorber.Its advantage is that the energy-flux density of transmission is higher, and functional reliability is also high, but present use cost is yet higher, is used for the end of system capacity stream in use as far as possible.The another one scheme of energy collecting part of the present invention is: omit the secondary reflex mirror or lose pipe, directly chamber shape energy absorber is arranged on the position that first order reflection mirror or secondary reflex mirror focus on, but shortcoming is: the maintenance adjustment of chamber shape energy absorber and the difficulty of radiating and cooling can increase, its functional reliability also can reduce, but is suitable for tower-type solar thermal power generating system.
The present invention except substitute the hollow energy-transmission optic fibre technology lose pipe at the early-stage, every technology that other adopted is all mature technology, and is therefore easy to implement.
The present invention reduces the production cost of its unit of electrical energy owing to adopted large-scale energy sun-following heat-collecting technology, makes large-scale solar industry generating become possibility.
Of the present invention patrolling day and the technology of two parts of energy collecting, not only can use in conjunction in large-scale generating or heat supply project, also can be used in other solar energy collecting system respectively, and produce huge good society and economic benefit.
Description of drawings
Fig. 1 is the side schematic view of the embodiment of the invention one
Fig. 2 is the light path schematic diagram of the embodiment of the invention one
Fig. 3 is the side schematic view of the embodiment of the invention two
Fig. 4 is the front schematic view that the reflection mirror rotation shafts of the embodiment of the invention two is installed
Fig. 5 is the front schematic view of the embodiment of the invention three
Fig. 6 is the schematic top plan view of the embodiment of the invention three
Fig. 7 is the steam cooling tower energy collecting schematic diagram of the embodiment of the invention three
Fig. 8 is the side schematic view of the embodiment of the invention four
Fig. 9 shows the scheme intention for the light path extension of the embodiment of the invention four
Figure 10 is the schematic diagram of the embodiment of the invention five
Figure 11 is the energy collecting generating schematic diagram of energy-transmission optic fibre of the present invention
Figure 12 is a light harvesting head schematic diagram of the present invention
Accompanying drawing number
1. rotation array pedestal 2. speculums 3. secondary reflex mirrors 4. are lost pipe 5. chamber shape energy absorbers
6. light-radiating lens 7. patrols sun-tracker 8. waters surface 9. wheels 10. rails
11. jar 12. impellers 13. buildings 14. electric poles 15. solar cells
16. lens 17. super heat-conductive pipes 18. steam cooling towers 19. solar cookers 20. permanent magnets
21. reflection mirror rotation shafts 22. drag-lines 23. water tanks 24. are copied pot 25. solar furnaces
26. light path switch 27. light path elbows 28. batteries 29. transverse axis 30. vertical shafts
31. the capable drag-line 32. transverse axis row drag-lines of vertical shaft 33. tension springs 34. angle pulleies 35. transverse axis rocking arms
36. the total drag-line 37. light harvesting heads of transverse axis 38. fibre bundles 39. generators 40. light energy boilers 41. tower bars
The specific embodiment
Embodiments of the invention one are:
In a large-area reservoir or lake, build the solar power station that 10,000 square metres of power can reach 1 megawatt.The structure of its energy sun-following heat-collecting system is as follows: earlier with each square frame of 5 meters of reinforced concrete prefabricated 200 length and width, four jiaos on frame respectively install one can be floating cement irritate son 11, each irritates sub about 0.5 cubic metre.Put into water then they are linked together, form one 10,000 square metres huge circular array pedestals 1 of bubbling through the water column.At the batterfly shape reflective mirror 2 of these 1 square metre of 6000 diameters of transversely arranged installation above rotation array pedestal 1, the rotating shaft 29 of its batterfly shape reflective mirror be hollow and transverse splicing together, vertical with angle of sun rays.The place ahead at batterfly shape reflective mirror 2, the reverberation habitat, the pot type secondary reflex mirror 3 of a small-sized inside back-off is set again, a glass tube 4 that about 1.5m is long is set at the light focusing place of pot type secondary reflex mirror 3, the glass tube upper end is provided with lens 16, in the parallel inlet tube of the optically focused of secondary reflex mirror 3, the reflecting surface of batterfly shape reflective mirror 2 is passed in the lower end of glass tube 4, is connected with the tube bank of losing of horizontally set by the optics elbow again.The luminous energy of losing after tube bank will merge transfers to energy-absorbing chamber 5, at the energy-absorbing cavity wall solar cell 15 is set, and 5 centres and inlet are provided with the light-radiating lens 6 that can carry out even scattering in the energy-absorbing chamber, should be provided with the device of cooling at energy-absorbing chamber 5 outer walls.Build one in the centre position of rotation array pedestal 1 and insert water-bed high bar 14, tether is fixed on the rotation array pedestal 1 as center of rotation at four sides, its underpart, top at high bar erects power transmission lines, the impeller 12 that several driving rotation array are rotated is installed in the underwater of rotation array pedestal 1 edge, impeller promotes rotation array pedestal 1 and slowly rotates under the control of patrolling sun-tracker 7, the elevation angle of batterfly shape reflective mirror 2 changes also by patrolling sun-tracker 7 by connecting rod or drag-line 32 unified controls on the rotation array pedestal 1.So just realized the high-power generating of collection cheaply of solar energy.
In actual applications, in order to reducing the construction costs, rotation array pedestal 1 can not established the high bar in axle center, only throws a big anchor and get final product under the shaft core position of its rotation, and electric power can transmit by submerged cable.Batterfly shape reflective mirror among the present invention there is no essential distinction with pot shape speculum its shape except that size, and its name difference is just clear in order to explain.Its energy-absorbing chamber promptly is a chamber shape energy absorber.
Embodiments of the invention two are:
In a large-area reservoir or lake, build 100,000 square metres of power and can reach 10,000 kilowatts solar power station.The structure of its energy sun-following heat-collecting system is as follows: earlier with each square frame of 5 meters of reinforced concrete prefabricated 2000 length and width, four jiaos on frame respectively install one can be floating cement irritate son 11, each irritates sub about 0.5 cubic metre.Put into water then they are linked together, form one 100,000 square metres huge round rotation array 1 of bubbling through the water column.At this a large amount of about 1 square metre heliostat 2 of transversely arranged installation above rotation array pedestal 1, its heliostat rotating shaft 21 is vertical substantially with the variation plane of sunshine, and the rotation of each heliostat rotating shaft 21 is by drag-line 32 controls that are bound up longitudinally.All vertical drag-lines 32 turn through fixing pulley and collect on laterally total drag-line 36 of rotation array pedestal 1 central authorities after 90 degree are bent, and total drag-line 36 links to each other with winch, and winch is by patrolling sun-tracker 7 controls.5 meters eminences above heliostat, every interval 10m sets up the pot type speculum 3 of a downward back-off, amounts to about 1000.A glass tube 4 that about 6m is long uprightly or is tiltedly found at light focusing place below pot type speculum 3, and glass tube 4 upper ends are provided with lens light lead head, and the lower end links to each other with energy-absorbing chamber 5.At the energy-absorbing cavity wall solar cell 15 is set, the lens 6 that can carry out even scattering are set in the middle of the energy-absorbing chamber, be provided with the aluminium flake of cooling at the energy-absorbing cavity outer wall, and with the cooling of directly ducking in drink of energy-absorbing chamber.If carry out large-scale industrialization construction by this embodiment, then can will lose the parts that pipe 4, energy-absorbing chamber 5, solar cell 15 and fin are integrated into a middle vacuum, it can reduce cost and life-saving when improving reliability.Build a deeply water-bed building 13 in the centre position of rotation array pedestal 1,13 ends of building are established a high bar 14, tether is fixed on the rotation array pedestal 1 as center of rotation around in its underpart, top at high bar 14 erects power transmission lines, in the underwater of rotation array pedestal 1 edge the impeller 12 of several drivings is installed, impeller 12 promotes rotation array pedestal 1 and slowly rotates under the control of patrolling sun-tracker 7.So just realized that the high-power of solar energy utilizes cheaply.
Present embodiment has a technical essential, be that 2 groups of numerous plane settled date speculums are when pot shape secondary reflex mirror 3 centre focuses above separately, its plane settled date reflection mirror rotation shafts 21 when mounted, the medial extremity of rotating shaft should to its separately pot shape speculum 3 directions of speculum 2 group center tops raise slightly, the vertical line that makes rotating shaft and sunshine change the plane forms a small angle a, and angle a is in the plane that pot shape speculum 3 and settled date reflection mirror rotation shafts 21 formed.2 groups of angular speed in the settled date reflection mirror rotation shafts 21 of pot shape speculum 3 both sides of the edge parts of its settled date speculum are also slightly greater than the angular speed of settled date reflection mirror rotation shafts 21 on the medium line.This is the displacement error that patrols reflection ray in day tracing process in order to compensate, thereby guarantees that when sunray moves reflection ray impinges upon the precision on pot shape speculum 3.Its reflection mirror rotation shafts 21 can be used formula with the angle calculating that sunshine changes the vertical line on plane: the a=2.4L/H degree.H is the height of pot shape speculum 3 apart from following settled date reflection mirror rotation shafts 21, and L settled date reflection mirror rotation shafts 21 centers for this reason arrives its distance of 2 groups of medium lines of settled date speculum separately.The angular speed of its settled date reflection mirror rotation shafts 21 rotations revolves about 0.1778L/H soon than the rotating shaft on the medium line.Revise this error amount, can correspondingly reduce the length of the actuating arm 35 of settled date reflection mirror rotation shafts 21 in its each stringer.
Embodiments of the invention three are:
A large-area Desert Area, build tens 10,000 square metres high tower solar power station.The structure of its energy sun-following heat-collecting system is: in the ground supports part of rotation array pedestal 1, the pillar that iron tyre 9 is housed by the hundreds of roots and tops is imbedded and is undergroundly constituted, and the iron tyre 9 of pillar upper end highly is in same horizontal plane, liftoff about 1.8 meters.Rotation array pedestal 1 underclad portion is formed about 120 meters of rail 10 loop diameters of outmost turns by ten circle concentric circles rail 10.The top section of rotation array pedestal 1 is by 2 transversely arranged compositions of 1 square metre of settled date speculum of many rows.A high tower is set in the centre of rotation array pedestal 1, and the cat head end is provided with a pot shape speculum 3 of button down, and the light focusing place below pot shape speculum 3 is provided with energy-absorbing chamber 5.Energy-absorbing chamber 5 is a heat energy with transform light energy, and then uses super heat-conductive pipe 17 to transmit and concentrated heat energy.The rotation of its rotation array pedestal 1 is driven by the iron tyre 9 of part outmost turns, and iron tyre 9 is by patrolling sun-tracker 7 controls, and the center of rotation of rotation array pedestal 1 should be the perpendicular bisector of high tower.If with tens, the large-scale heat-absorbing chamber 5 usefulness super heat-conductive pipes of hundreds of seat link together, centralized heat energy is sent to steam turbine generates electricity, its power can reach several ten thousand, hundreds of thousands kilowatt.Attention: present embodiment is in the control of settled date reflection mirror rotation shafts 21 and install the technical essential same with embodiment two, can go to solve with reference to its method too.If heating is too high at work for pot shape speculum 3, can connects super heat-conductive pipe 17 overleaf and come absorbing and cooling temperature.
In the power plant construction of present embodiment, to build several or more water vapour cooling tower 18 unavoidably, so just can consider the height of cooling tower is fully utilized.Concrete scheme is: the chamber shape energy absorber 5 of a ring-type is set in cooling tower outer suitable for reading, at the bottom of this ring-type energy absorber 5 light entrance, on the outer wall on cooling tower top, a circle speculum 2 is set, the reverberation of following heliostat is introduced in the chamber.Be provided with the super heat-conductive pipe 17 of transporting heat energy at ring chamber shape energy absorber 5 inwalls, the part in its outside, chamber should be provided with the heat-resisting material of insulation.Substitute in the part that also can use magnetic levitation technology to carry out wheel track aspect the support of rotation array pedestal 1, its advantage is that resistance is little, stable working, reliability height.Its scheme is: except that the driving wheel track of outmost turns, the wheel track of inner round portion is all substituted by permanent magnet 20 and supports.
Embodiments of the invention four are:
Solar cooker 19 technology that second portion energy collecting scheme of the present invention and automatic sun tracing are followed the tracks of combine, and produce a kind of generating solar cooker 19 of domestic type, and it can realize the large-scale energy-conservation purpose of numerous families.Its concrete grammar is: the pot shape secondary reflective mirror 3 that a left-hand thread is set at the optically focused place of solar cooker 19, in 3 reflection ray focusing place of pot type secondary reflective mirror a glass tube 4 that about 1.5m is long is set, glass tube 4 upper ends are provided with lens and carry out light lead, and the reflecting surface that solar cooker 19 is passed in its lower end links to each other with energy-absorbing chamber 5.Energy-absorbing chamber 5 is tapered, inwall of conical section is manufactured by reflectorized material above it, in the middle part in energy-absorbing chamber 5 light-radiating lens 6 is installed, even to guarantee solar cell 15 illumination, the bottom in energy-absorbing chamber 5 is made by solar cell 15, the back side of its bottom or the outside in whole energy-absorbing chamber are provided with an interlayer that holds water, and its effect is a water-cooling.With two flexible pipes the cooling water in the interlayer is connected with elevated tank 23, the warm water in the elevated tank 23 then can be used for having a bath, and the dewatering outlet that is used to have a bath in its elevated tank 23 can not be low excessively, in order to avoid water is drained.Idle or be used to boil water when cooking at solar cooker 19, a pot shape reflective mirror 3 that takes off the upper end gets final product.If need not manage 4 with losing by pot shape speculum 3, directly light energy-absorbing chamber 5 is placed on front sunlight focusing place of solar cooker 19, its use and radiating and cooling be inconvenience all.Present embodiment is applicable to the use of average family, and its solar cooker 19 and water tank 23 can be installed on the balcony outside or the roof of building, and its production cost is relatively low, and it is having vast potential for future development aspect energy-saving illumination and the electric motor car charging.
Present embodiment also has an amplification scheme, soon the glass in the present embodiment is lost the transmission path prolongation of pipe 4, lose on pipe 4 pipelines at glass and to use optical elements such as speculum 2, lens 16, light path elbow 27, light path switch 26 that luminous energy is introduced kitchen and bathroom, be connected with photoelectric type energy-absorbing chamber 5 in solar furnace 25 or the elevated tank 23 then.The technical essential of this scheme is: the sun tracing apparatus of each solar cooker 19 will use the transverse axis 29 and the vertical shaft 30 of a hollow, and pipe 4 is lost in setting on vertical shaft 30 center lines, solar cooker 19 bottoms of the vertical shaft 30 of hollow and hollow respectively are connected in the two ends of transverse axis 29, the mid portion of its transverse axis 29 can reverse, the two ends of transverse axis 29 inside respectively have a speculum 2 to lose 4 one-tenth miter angle settings of pipe with the two-way of turnover transverse axis 29, and the incident light of the reverberation of its speculum 2 and another side speculum 2 coincides.The centre of two-face mirror 2 is provided with two lens 16 and carries out light harvesting in transverse axis 29, leaks herein to avoid luminous energy.So just can smoothly luminous energy be transmitted from solar cooker 19.Other has a simple approach: with solar cooker 19 bottoms stretch out lose pipe 4 and the summary in the vertical shaft 30 thick any to lose 4 mouthfuls of mouths of pipe relative, the slotting flexible pipe of aluminizing of cover carries out the luminous energy transition between two mouths of pipe.The soft pipe 4 of losing that this is aluminized should guarantee that enough length is to avoid crooked radian excessive.Also has an easy way: Jiu Shi a speculum 2 is set two relative losing between the pipe 4 of mouth mouth, making it be slidingly connected to two loses between pipe 4 the port, when the angle variation that two lose between the pipe 4, the angle of speculum 2 also changes thereupon, and the angular bisector that keeps its normal and two to lose pipe 4 overlaps.Enforcement by above scheme just can utilize solar energy more easily, and its energy-conservation prospect is very good, and shortcoming is can't use solar furnace 25 when cooking supper, and this can only solve by buying the direct current cooker.
Embodiments of the invention five are:
Build a butterfly type speculum 2 and patrol a day array on a sheet of openr ground, day method of patrolling of its every dish-shaped speculum 2 adopts the vertical shaft 30 of two dimension to add the pattern of transverse axis 29.Its vertical shaft 30 usefulness ropes are wrapped in the go forward back pulling and rotating of vertical shaft 30 diameters of axle, and its transverse axis 29 adopts the way of pulled by cable transverse axis rocking arms 35 that it is rotated, and resetting of its transverse axis rocking arm 35 retracted by elastic force by a tension spring 33.Every row on the array or the numerous drag-line of every row are connected on a capable drag-line of vertical shaft and the transverse axis row drag-line, the capable drag-line 31 of all vertical shafts turns 90 degree backs with transverse axis row drag-line 32 through fixing pulley 34 and draws 36 ropes to be connected with total vertical shaft drag-line with total transverse axis, total vertical shaft drag-line and total transverse axis drag-line 36 are connected respectively to above separately the winch, and the rotation of winch is by patrolling sun-tracker control.Do like this and just saved a large amount of automatons, patrol on the basis of day system at this then, the energy collecting scheme of the utilization embodiment of the invention four just can realize the easy large-sized solar energy collecting generating of lower cost.
Present embodiment is simple, and the winding of its neutral axis 30 drives rotation mode and also can substitute with the mode of tractive rocking arm, but the anglec of rotation of vertical shaft can be restricted.The back-moving spring 33 that wherein is used for transverse axis also can substitute with the reverse drag-line of another root, and this oppositely total drag-line can rewind on the capstan winch of the total drag-line 36 of transverse axis.
Claims (12)
1. large-sized solar energy sun-following heat-collecting system, its solar collecting device is followed solar motion under the control of patrolling sun-tracker, it is characterized in that: build on earth one that constitute by framework, can be integrally rotated, rotation array pedestal (1) that huge top surface area is arranged, be provided with solar collecting device at this above the rotation array pedestal (1), this rotation array pedestal (1) is followed the unitary rotation that the sun is done level under the control of patrolling sun-tracker (7).
2. according to claim 1 described large-sized solar energy sun-following heat-collecting system, it is characterized in that: when this rotation array pedestal (1) rotated, its gravity supporting way away from the center of rotation position adopted that buoyancy, tower bar hang and draw, wheel track and magnetic force.
3. according to claim 1 or 2 described large-sized solar energy sun-following heat-collecting systems, it is characterized in that: first order reflection mirror (2) more than at least one row is set above the rotation array pedestal (1) at this, position at this first order reflection mirror (2) optically focused, the secondary reflex mirror (3) of a retroeflection is set, be provided with one in focusing place of this secondary reflex mirror (3) and lose pipe (4), this end of losing pipe (4) places reverberation focusing place of secondary reflex mirror (3), and this end in addition of losing pipe (4) is connected with the light-use device.
4. according to claim 1 or 2 described large-sized solar energy sun-following heat-collecting systems, it is characterized in that: the above speculum (2) of at least one row is set above this rotation array pedestal (1), the luminous energy absorption plant is set at the position of speculum (2) optically focused.
5. according to claim 1 or 2 described large-sized solar energy sun-following heat-collecting systems, it is characterized in that: first order reflection mirror (2) more than at least one row is set above the rotation array pedestal (1) at this, position at this first order reflection mirror (2) optically focused, the secondary reflex mirror (3) of a retroeflection is set, the luminous energy absorption plant is set at the optically focused place of this secondary reflex mirror (3).
6. one kind has the solar energy sun-following heat-collecting system of identical energy collecting principle with claim 1 described large-sized solar energy sun-following heat-collecting system, patrol the speculum that day system installs above by it sunray is gathered in energy absorption device, it is characterized in that: patrol the position of first order reflection mirror (2) optically focused of day installing above the system at it, the secondary reflex mirror (3) of a retroeflection is set, be provided with one in focusing place of this secondary reflex mirror (3) and lose pipe (4), focusing place that this end of losing pipe (4) places secondary reflex mirror (3), this other end of losing pipe (4) is connected with the light-use device.
7. according to claim 6 described solar energy sun-following heat-collecting systems, it is characterized in that: this light-use device is a chamber shape energy absorber (5), diverging lens (6) more than the actinal surface position of this chamber shape energy absorber (5) sunshine incident is provided with simultaneously, on the solar cell (15) of chamber shape energy absorber (5) inwall, this chamber shape energy absorber (5) is provided with the radiating and cooling device to these diverging lens (6) with the uniform scattering of the sunshine of incident.
8. according to claim 6 or 7 described solar energy sun-following heat-collecting systems, it is characterized in that: this system is made of the energy collecting reflection mirror array, day mode of patrolling of every speculum (2) is made of the vertical shaft (30) of mechanical part and the rotation of transverse axis (29) in this array, plural at least vertical shaft (30) interconnects the back and patrols sun-tracker (7) control by one by being wrapped in drag-line (31) on the vertical shaft in this array, and plural at least transverse axis (29) interconnects the back by the drag-line (32) on its rocking arm (35) and patrols sun-tracker (7) by one and control in this array.
9. one kind has the solar energy sun-following heat-collecting system of identical energy collecting principle with claim 1 described large-sized solar energy sun-following heat-collecting system, patrol the speculum that day system installs above by it sunray is gathered in energy absorption device, it is characterized in that: the chamber shape energy absorber (5) that button in is set at its position of patrolling speculum (2) optically focused of day installing above the system, at the actinal surface position of this chamber shape energy absorber (5) sunshine incident the diverging lens (6) more than the one side at least are set, above the solar cell (15) of chamber shape energy absorber (5) inwall, this chamber shape energy absorber (5) is provided with the radiating and cooling device to these diverging lens (6) with the uniform scattering of the sunshine of incident.
10. one kind has the solar energy sun-following heat-collecting system of identical energy collecting principle with claim 1 described large-sized solar energy sun-following heat-collecting system, patrol the speculum that day system installs above by it sunray is gathered in energy absorption device, it is characterized in that: the secondary reflex mirror (3) of a retroeflection is set at its position of patrolling first order reflection mirror (2) optically focused of day installing above the system, and the center of this secondary reflex mirror (3) to the ray of its reflector focus is provided with an energy absorption device.
11. one kind has the solar energy sun-following heat-collecting system of identical energy collecting principle with claim 1 described large-sized solar energy sun-following heat-collecting system, patrol the speculum that day system installs above by it sunray is gathered in energy absorption device, it is characterized in that: described energy absorption device is a ring chamber shape energy absorber (5), the light entrance of this ring chamber shape energy absorber (5) is positioned at the lower surface of ring chamber shape energy absorber (5), and this ring chamber shape energy absorber (5) is installed on the upper end of water vapour cooling tower (18).
12. one kind has the large-scale simple and easy solar energy sun-following heat-collecting system of identical energy collecting principle with claim 1 described large-sized solar energy sun-following heat-collecting system, patrolling the vertical shaft of day mechanical part and the rotation of transverse axis in its systems array controls by patrolling sun-tracker, it is characterized in that: plural at least vertical shaft (30) interconnects the back and patrols sun-tracker control (7) by one by being wrapped in drag-line (31) on the vertical shaft in this array, and plural at least transverse axis (29) interconnects the back by the drag-line (32) on its rocking arm (35) and patrols sun-tracker (7) by one and control in this array.
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| CNA2008100643049A CN101261045A (en) | 2008-04-15 | 2008-04-15 | Large-sized solar energy sun-following heat-collecting system |
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| CNA2008100643049A CN101261045A (en) | 2008-04-15 | 2008-04-15 | Large-sized solar energy sun-following heat-collecting system |
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