CN202710834U - Multi-plane reflecting mirror solar energy light condensing device - Google Patents
Multi-plane reflecting mirror solar energy light condensing device Download PDFInfo
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- CN202710834U CN202710834U CN2012203722379U CN201220372237U CN202710834U CN 202710834 U CN202710834 U CN 202710834U CN 2012203722379 U CN2012203722379 U CN 2012203722379U CN 201220372237 U CN201220372237 U CN 201220372237U CN 202710834 U CN202710834 U CN 202710834U
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- plane
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- plane reflecting
- reflecting mirror
- energy light
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
A multi-plane reflecting mirror solar energy light condensing device comprises a basic component, a rotation component, a plane mirror supporting structure, and a multi-plane reflecting mirror array. The multi-plane reflecting mirror array comprises a plurality of independent single plane reflecting mirrors. The plane supporting structure comprises an H-shaped main frame and a plurality of parallel supporting bars fixed on the H-shaped main frame. The plurality of independent single plane reflecting mirrors are connected with the parallel supporting bars through a universal joint bracket. The rotation component comprises an electric rotary disk and an electric push rod. The pitching angle of the H-shaped main frame is adjusted through the telescoping of the electric push rod, so that the multi-plane reflecting mirror array tracks the elevation angle of the sun. The multi-plane reflecting mirror array tracks the position angle of the sun through the rotation of the electric rotary disk. The multi-plane reflecting mirror solar energy light condensing device can acquire the most uniform focusing light spots, and completely solves the problem of efficiency decrease caused by the nonuniform light condensing in photovoltaic power generation, the structure is simple, and the cost is low.
Description
Technical field
The utility model relates to a kind of solar condensing power generation device, and particularly a kind of multiple plane mirror solar-energy light collector for solar electrical energy generation belongs to solar utilization technique,
Background technology
Energy problem is the matter of utmost importance of socio-economic development.In recent years, be accompanied by economic fast development, China presents the trend of rapid growth to the demand of the energy.At present, proportion is excessive to have caused that China energy problem is severeer to be on the rise with environmental disruption because the fossil energies such as low and coal of China's efficiency of energy utilization are used, and has greatly restricted China's expanding economy.Sun power is because its renewable and environment amenable advantage is important traditional energy substitute.
As everyone knows, solar energy power generating has been widely used as the technology of the tool development prospect in the sun power utilization, yet too high its proportion in whole energy structure that makes of photovoltaic generation cost is lower, and how reducing the photovoltaic generation cost becomes various countries and competitively study important topic.Wherein, condensation photovoltaic CPV(Concentrator Photovoltaic) generation technology has huge potentiality and causes that the countries in the world scientist greatly pays close attention to the cost that reduces photovoltaic generation, become the focus of research and set up the many places demonstration in the recent period.
The Salar light-gathering technology is the key of solar energy concentration generating, and Salar light-gathering can be divided into reflection or refraction according to the light binding mode; Can be divided into again point, line or non-gathering according to the focus type; Be divided into again fixedly condenser and tracing collection device according to the condenser location type.Reflective the optically focused that band is followed the tracks of reduces the required cell area of generating greatly because high power concentrator can be provided, and is praised highly by the lot of domestic and international scholar in recent years.At present, reflective some optically focused technology mainly adopts the parabolic type spotlight camber, according to applicant retrieval, publication number is the solar energy reflection mirror that the Chinese patent of CN101980065A has proposed a kind of tension structure, focuses and forms curved surface on the support and come reflecting condensation by sun reflectance coating being attached to face shape.Publication number is that the patent of CN202049282 proposes a kind of Multi-plane mirror paraboloid reflection focusing device in addition, adopt parabolic principle to produce the parabola of required shape and size, at N the planar optics that parabola is inlayed or fixed size is measure-alike, form a parabolic formula catoptron.
For traditional parabolic type reflection concentration type, the light distribution of focus area is Gaussian distribution, and this inhomogeneous light intensity can produce very big impact to photovoltaic cell capable of generating power efficient.The photovoltaic cell surface can also generate heat at a large amount of electric energy of inside battery consumption because of hot spot effect owing to be subjected to intensity of illumination different, will cause the nonvolatil damage of photovoltaic cell if this moment, dissipation of heat was untimely.In addition, parabolic type spotlight camber manufacture difficulty is larger, although sophistication can be produced comparatively desirable parabola at present, cost is higher, and a series of errors in installation process are still the influence factor that can not be ignored.Except mirror surface need be made into the parabolic type, even supporting construction also need be made the labyrinth of similar parabolic type, making and installation cost height.Present condenser substantially all is to make just to have designed before fixing optically focused ratio, in case after the equipment installation, can't change light concentrating times, also can't regulate even if find design mistake, and dirigibility and adaptability are relatively poor.All-in-one-piece parabolic minute surface, area is large, and dust is piled up easily, and windage effect is huge when work, and wind loading rating is limited.Therefore, need a kind of new solar-energy light collector, to overcome the problems in above-mentioned.
The utility model content
Technology of the present utility model is dealt with problems: overcome the deficiencies in the prior art, a kind of many plane mirrors solar-energy light collector for solar electrical energy generation is provided, can obtain the most uniform focal beam spot, fundamentally solve the inhomogeneous decrease in efficiency problem that causes of optically focused in the photovoltaic generation, and simple in structure, with low cost.
The utility model technical solution, many plane mirrors solar-energy light collector, comprise: the basic components that fix on the ground, be installed in the rotatable parts that can drive many plane mirrors array tracking sun on these basic components, the plane mirror supporting structure that is connected with rotatable parts, and be connected to the many plane reflections lens array on the plane supporting structure; Described many plane reflections lens array is made of a plurality of independently monolithic plane mirrors; Described plane supporting structure is made of with some parallel support bar on being fixed on " H " type main frame " H " type main frame; Described monolithic plane mirror links to each other with described parallel support bar by universal node support, is arranged on the parallel support bar; Described rotatable parts comprise electric rotary and electric pushrod; The telescopic end at electric pushrod top and parallel support bar link to each other, the luffing angle of flexible promotion " H " the type main frame by electric pushrod, thus make many plane mirrors array tracking sun altitude; Electric rotary is fixed with " H " type main frame, rotates " H " type of drive main frame by electric rotary and rotates at water surface direction work 360 degree, thereby make many plane mirrors array tracking solar azimuth.
Described universal node support is comprised of upper, middle and lower segment, connects by screw rod between each section; Individual round platform is arranged at the epimere top, and ' recessed ' groove is arranged at the bottom; The top, stage casing is ' protruding ' shape, and outshot just in time is meshed with ' recessed ' groove of epimere bottom, and after the engagement two sections connect by screw rod and be fixing, and ' recessed ' groove is also arranged at the bottom, stage casing, but this ' recessed ' groove and top ' protruding ' part is perpendicular; The hypomere top has ' protruding ' to rise equally, and ' protruding ' played part and be meshed with ' recessed ' groove of bottom, stage casing, and after the engagement two sections also connect by screw rod and be fixing, and the hypomere bottom surface then is provided with a screw.
Described universal node support epimere top round platform and monolithic plane mirror are bonding, and hypomere underrun screw rod is connected with parallel support bar.
Described universal node support can be regulated each other angulation of each section by ' recessed ' groove and being connected that ' protruding ' rises, and can make the arbitrarily angled rotation in two-dimensional space of monolithic plane reflection minute surface; Can make the monolithic plane mirror at vertical height certain fine setting scope be arranged by the control that hypomere bottom screw rod is screwed into screw hole depth simultaneously, to prevent the mutual collision between the adjacent monolithic plane mirror minute surface and to block.
The position changeable of described universal node support on parallel support bar is moving, in order to make corresponding adjustment according to the monolithic plane mirror of different area, at utmost utilizes the lighting surface space.
Each monolithic plane mirror adopts the ordinary plate glass of silver-plated reflecting surface as reflection part in described many plane reflections lens array.
The utility model advantage compared with prior art is:
(1) after the utility model adopts multiple plane mirror reflective array optically focused, solved the impact that Intensity of Gaussian distribution is brought photovoltaic cell in the conventional point focusing device, the focal spot region light distribution is even, can obtain the most uniform focal beam spot, fundamentally solve the inhomogeneous decrease in efficiency problem that causes of optically focused in the photovoltaic generation.
(2) the utility model replaces the bulk curved reflector with the plane mirror combination of fritter; Many mirrors are confocal, and optically focused compares flexible adjustment.
(3) the parabolic type belfry of complexity in the utility model abandoning tradition point condenser adopts simple linear structure, and is simple in structure, with low cost, by universal node support catoptron linked to each other with supporting construction, easily installs, adjusts.
(4) being connected of mirror surface of the present utility model and support frame, angular setting and focusing are all finished by universal node support, universal node support can make minute surface arbitrarily angled rotation in two-dimensional space, accurately focusing, also at vertical height certain fine setting scope is arranged, prevent from closing on the mutual collision of minute surface and blocking; And the position changeable of universal node support on parallel support bar is moving, in order to make corresponding adjustment according to the mirror surface of different area and shape, at utmost utilizes the lighting surface space.
(5) the two-dimensional tracking mode is adopted on the utility model daylighting plane, can tenacious tracking sun altitude and position angle, obtain to greatest extent the incident sunshine.
(6) light concentrating times of the utility model multiple plane mirror reflecting and condensing device is that optically focused is more easy to adjust, flexible than method of adjustment, by increasing or deleting that multiple plane mirror reflective array number finishes, broken through the restriction of the fixing a kind of optically focused ratio of a traditional table apparatus, can change light concentrating times according to actual conditions, thereby greatly reduce use cost.
(7) the monolithic plane mirror in the utility model adopts ordinary plate glass as reflection part, greatly reduces than curved mirror and manufactures cost; And between each monolithic plane mirror a fixed gap is arranged, greatly reduce the windage that device is worked in the open air.
Description of drawings
Fig. 1 is according to schematic perspective view of the present utility model;
Fig. 2 be device shown in Figure 1 fix the basic components synoptic diagram on the ground;
Fig. 3 is according to universal node support synoptic diagram described in the utility model;
Fig. 4 is the many plane mirrors arrayed synoptic diagram according to the utility model one embodiment shown in Figure 1;
Fig. 5 is the many plane reflections lens array work synoptic diagram according to the utility model one embodiment shown in Figure 1;
Fig. 6 distributes synoptic diagram according to the beam condensing unit focal spot position place light intensity of one embodiment of the invention shown in Figure 1;
Fig. 7 is parallel support bar cross sectional representation shown in Figure 1.
Wherein: the basic components 110 that fix on the ground; Head tree 111; Base 112; Rotatable parts 120; Electric rotary 121; Electric pushrod 122; Plane mirror supporting structure 130; " H " type main frame 131; Parallel support bar 132; Many plane reflections lens array 140; Monolithic plane mirror 141; Universal node support 142; Screw rod 143; Focal spot 151; Sun light beam L.
Embodiment
In the following description, various aspect of the present utility model will be described.For the ease of explaining, will state specific configuration and details, in order to provide thorough understanding of the present utility model.Yet the utility model may be not have to realize that this will be obvious for the person familiar with the technology in the situation of specific detail referred in this.In addition, for outstanding the utility model, well-known feature may be omitted or simplify.
Referring now to Fig. 1, it is that embodiment of the present utility model consists of and the work schematic perspective view.As shown in Figure 1, many plane mirrors beam condensing unit of the present utility model comprises: the basic components 110 that fix on the ground, rotatable parts 120, plane mirror supporting structure 130 and many plane reflections lens array 140.
The basic components 110 that fix on the ground are bases 112 of wearing positioning screw hole under head tree 111 and the column, referring to Fig. 2.
Rotatable parts 120 comprise electric rotary 121 and the electric pushrod 122 that is installed on the head tree 111.The telescopic end at electric pushrod 122 tops links to each other with ' H ' type main frame 131, the adjustment of flexible drive ' H ' type main frame 131 luffing angles by electric pushrod 122 telescopic ends, adjust thereby many plane reflections lens array 140 lighting surface directions are changed with altitude of the sun, realize the purpose of altitude of the sun angle tracking; Electric rotary 121 is fixing with " H " type main frame 131, rotate " H " type of drive main frame 131 by electric rotary 121 and do 360 degree rotations in water surface direction, adjust thereby many plane reflections lens array 140 lighting surface directions are changed with solar azimuth, realize following the tracks of the purpose of solar azimuth.
Shown in Fig. 1,4, in many plane reflections lens array 140, many plane reflections lens array 140 is made of a plurality of independently monolithic plane mirrors 141.Plane supporting structure 130 is made of with some parallel support bar 132 on being fixed on " H " type main frame " H " type main frame 131.Monolithic plane mirror 141 is connected with parallel support bar 132 by universal node support 142, and wherein universal node support 142 1 ends are bonding by bonding way and monolithic plane mirror 141, and the other end is connected with parallel support bar 132 by screw rod 143.Being arranged on the parallel support bar 132 of many plane reflections lens array 140, many plane reflections lens array 140 arrangement modes according to actual needs, need to design such as light concentrating times, locus and outward appearance, for example shown in Figure 4, have 605 square monolithic plane mirrors 141 in the present embodiment and rearrange many plane reflections lens array 140, but when implementing the utility model, be not limited to arrangement mode shown in Figure 4, change the number of above-mentioned monolithic plane mirror 141 and the number of parallel support bar 132 and also can reach same effect.
As shown in Figure 3, universal node support 142 is comprised of upper, middle and lower segment, connects by screw rod 143 between each section; Individual round platform is arranged at the epimere top, and ' recessed ' groove is arranged at the bottom; The top, stage casing is ' protruding ' shape, and outshot just in time is meshed with ' recessed ' groove of epimere bottom, and two sections after the engagement are passed through screw rod 143 connections and fixing, and ' recessed ' groove is also arranged at the bottom, stage casing, but this ' recessed ' groove and top ' protruding ' part is perpendicular; The hypomere top has ' protruding ' to rise equally, and ' protruding ' part is meshed with ' recessed ' groove of bottom, stage casing, and two sections after the engagement also connect by screw rod 143 and fix, and the hypomere bottom surface then is provided with a screw.Universal node support 142 epimere top round platforms and monolithic plane mirror 141 are bonding, and hypomere underrun screw rod 143 is connected with parallel support bar 132.
Regulate the direction of universal node support 142, make the sun light beam L that incides on the monolithic plane mirror 141 reflex to focal spot 151 positions, as shown in Figure 5, all monolithic plane mirrors 141 of whole many plane reflections lens array 140 all reflex to focal spot 151 positions with sun light beam L, thereby make focal spot 151 positions receive great light intensity, reach the purpose of high concentration ratio.
Another operating position of the utility model is as follows, accepts the illumination of varying strength such as the same focal spot position of need, square focal spot region for example, and a part can receive 400 times of light intensity, and another part can only bear 100 times of light intensity, as shown in Figure 6.At this moment, only need to adjust the distribution of many plane reflections lens array 140, make 400 monolithic plane mirrors 141 reflected light be gathered the a-quadrant of focal spot 151 among Fig. 6, other 100 level crossings are regional with the B that reflected light gathers focal spot 151 among Fig. 6, can realize easily that the different optically focused of same focal spot region are than distributing.The utility model use is not limited to this example and gives an actual example.
As mentioned above, beam condensing unit structure of the present utility model arranges simply, can obtain the most uniform focal beam spot, fundamentally solves the inhomogeneous decrease in efficiency problem that causes of optically focused in the photovoltaic generation; And optically focused only needs by increasing or delete that the plane mirror of manying matrix number can finish than adjusting, even has realized more neatly the distribution of the different optically focused ratios of same focal spot region; And the complicated parabolic type structure of reflection mirror array supporting construction abandoning tradition point light-focusing type beam condensing unit, adopt simple linear pattern framework and daylighting plane to adopt the two-dimensional tracking mode, can tenacious tracking sun altitude and position angle, obtain to greatest extent the incident sunshine; Replace curved mirror expensive and that making is complicated with cheap level crossing, link to each other with supporting construction by universal node support, easily install, adjust.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, although the utility model discloses as above with preferred embodiment, yet be not to limit the utility model, any those skilled in the art, within not breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, but every content that does not break away from technical solutions of the utility model, any simple modification that foundation technical spirit of the present utility model is done above embodiment, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (4)
1. plane mirror solar-energy light collector more than a kind, it is characterized in that comprising: the basic components that fix on the ground, be installed in the rotatable parts that can drive many plane mirrors array tracking sun on these basic components, the plane mirror supporting structure that is connected with rotatable parts, and be connected to the many plane reflections lens array on the plane supporting structure; Described many plane reflections lens array is made of a plurality of independently monolithic plane mirrors; Described plane supporting structure is made of with some parallel support bar on being fixed on " H " type main frame " H " type main frame; Described a plurality of independently monolithic plane mirror is arranged on the parallel support bar, and links to each other with described parallel support bar by universal node support; Described rotatable parts comprise electric rotary and electric pushrod; The telescopic end at electric pushrod top links to each other with the supporting construction main frame, the luffing angle of flexible promotion " H " the type main frame by electric pushrod; Electric rotary is fixed with " H " type main frame, rotates " H " type of drive main frame by electric rotary and rotates at water surface direction work 360 degree.
2. many plane mirrors solar-energy light collector according to claim 1 is characterized in that: described universal node support is comprised of upper, middle and lower segment, connects by screw rod between three sections; Individual round platform is arranged at the epimere top, and ' recessed ' groove is arranged at the bottom; The top, stage casing is ' protruding ' shape, and outshot just in time is meshed with ' recessed ' groove of epimere bottom, and after the engagement two sections connect by screw rod and be fixing, and ' recessed ' groove is also arranged at the bottom, stage casing, but this ' recessed ' groove and top ' protruding ' part is perpendicular; The hypomere top has ' protruding ' to rise equally, and ' protruding ' played part and be meshed with ' recessed ' groove of bottom, stage casing, and after the engagement two sections connect by screw rod and be fixing, and the hypomere bottom surface then is provided with a screw.
3. many plane mirrors solar-energy light collector according to claim 2 is characterized in that: described universal node support epimere top round platform and monolithic plane mirror are bonding, and hypomere underrun screw rod is connected with parallel support bar.
4. many plane mirrors solar-energy light collector according to claim 1 is characterized in that: each monolithic plane mirror adopts the ordinary plate glass of silver-plated reflecting surface as reflection part in described many plane reflections lens array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203722379U CN202710834U (en) | 2012-07-30 | 2012-07-30 | Multi-plane reflecting mirror solar energy light condensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203722379U CN202710834U (en) | 2012-07-30 | 2012-07-30 | Multi-plane reflecting mirror solar energy light condensing device |
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| Publication Number | Publication Date |
|---|---|
| CN202710834U true CN202710834U (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203722379U Expired - Fee Related CN202710834U (en) | 2012-07-30 | 2012-07-30 | Multi-plane reflecting mirror solar energy light condensing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN104459935A (en) * | 2014-11-27 | 2015-03-25 | 中国科学院长春光学精密机械与物理研究所 | Thin film condensing lens structure with lens face automatically folded, unfolded, positioned and spliced |
| WO2022173412A1 (en) * | 2020-09-24 | 2022-08-18 | Jonathan Ricker | Improved solar tracker and structure |
-
2012
- 2012-07-30 CN CN2012203722379U patent/CN202710834U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789046A (en) * | 2012-07-30 | 2012-11-21 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN102789046B (en) * | 2012-07-30 | 2014-08-13 | 中国科学技术大学 | Multi-plane reflecting mirror solar energy condensation device |
| CN104459935A (en) * | 2014-11-27 | 2015-03-25 | 中国科学院长春光学精密机械与物理研究所 | Thin film condensing lens structure with lens face automatically folded, unfolded, positioned and spliced |
| WO2022173412A1 (en) * | 2020-09-24 | 2022-08-18 | Jonathan Ricker | Improved solar tracker and structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20150730 |
|
| EXPY | Termination of patent right or utility model |