WO2007025455A1 - Plaque à microprismes permettant de réfléchir les rayons du soleil - Google Patents

Plaque à microprismes permettant de réfléchir les rayons du soleil Download PDF

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Publication number
WO2007025455A1
WO2007025455A1 PCT/CN2006/002052 CN2006002052W WO2007025455A1 WO 2007025455 A1 WO2007025455 A1 WO 2007025455A1 CN 2006002052 W CN2006002052 W CN 2006002052W WO 2007025455 A1 WO2007025455 A1 WO 2007025455A1
Authority
WO
WIPO (PCT)
Prior art keywords
reflector
solar
prism
micro
microcolumn
Prior art date
Application number
PCT/CN2006/002052
Other languages
English (en)
Chinese (zh)
Other versions
WO2007025455A8 (fr
Inventor
Dingguo Pan
Original Assignee
Dingguo Pan
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dingguo Pan filed Critical Dingguo Pan
Publication of WO2007025455A1 publication Critical patent/WO2007025455A1/fr
Publication of WO2007025455A8 publication Critical patent/WO2007025455A8/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/04—Prisms
    • G02B5/045—Prism arrays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0015—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/002—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces
    • G02B6/0021—Means for improving the coupling-in of light from the light source into the light guide provided on the surface of the light guide or in the bulk of it by shaping at least a portion of the light guide, e.g. with collimating, focussing or diverging surfaces for housing at least a part of the light source, e.g. by forming holes or recesses
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/0035—Means for improving the coupling-out of light from the light guide provided on the surface of the light guide or in the bulk of it
    • G02B6/0038—Linear indentations or grooves, e.g. arc-shaped grooves or meandering grooves, extending over the full length or width of the light guide
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B2009/2417—Light path control; means to control reflection

Definitions

  • This invention relates to a solar light reflecting plate, and more particularly to a micro prism type solar light reflecting plate provided with a micro-pillar which functions as a prism on a reflecting plate and an adjustment control device therefor.
  • the sunlight that illuminates the halls and rooms of the building is only coated or unplated flat reflectors and blinds. Although they can reflect or block the sunlight in the summer, they also block the light from the hall and the room, making the hall and the room dark and dark, and the air is not circulating. In this case, people often rely on lighting, which in turn increases the cost of electricity.
  • An object of the present invention is to provide a micro prism type solar light reflecting plate which is provided with a micro-pillar which can function as a prism and can reflect all or part of direct sunlight. It does not affect all or part of the scattered sunlight into the hall.
  • Another object of the present invention is to provide an adjustment control device for a microprism type solar reflector, which can track the illumination direction of sunlight and automatically rotate the reflector to ensure effective adjustment and control of the amount of reflection of sunlight. .
  • a technical solution for achieving the above object is: a microprism type solar reflector according to the present invention, wherein a surface of the reflector is provided with a plurality of parallel strip-shaped microcolumn prism bodies, and the cross section of each microcolumn prism body is Isosceles right triangle with a apex angle of 90° and a base angle of 45°.
  • the solar light reflecting plate as described above further comprising a plurality of lamp bodies, wherein the plurality of blind holes are uniformly disposed, and the lamp bodies are each mounted in the blind holes.
  • the adjustment control device for the microprism type solar reflector of the present invention comprises a reversible motor and a plurality of transmission wheels, and is characterized in that:
  • One or more solar reflectors each of which has a plurality of parallel strip-shaped microcolumn prism bodies disposed on one surface thereof, and a short axis on each of two end faces of the reflector perpendicular to the strip-shaped microcolumn prism body ;
  • a retainer for a reflector which is rectangular, and has two or more pairs of mounting holes opposite to each other on two relatively parallel rods, and the reflector can be rotated by bearings mounted on the short or short shaft Mounted in the mounting holes of the cage and arranged in parallel with each other;
  • each microcolumn prism body is an isosceles right triangle
  • the reversible motor is mounted on a holder or a fixing seat in the vicinity thereof;
  • the transmission wheel includes a pulley, a short shaft and a motor output respectively mounted on one side of the reflector On the shaft and through the belt, the transmission can be synchronously rotated.
  • the transmission wheel comprises a driving gear, a transmission gear and a bridge gear
  • the driving gear is mounted on an output shaft of the motor
  • the transmission gear is mounted on a side of the reflector Passing through each of the short shafts of the mounting hole
  • the bridge gear is mounted on a support shaft fixedly disposed on the holder portion between the mounting holes and meshes with the adjacent driving gear and the transmission gear
  • the bridge gear has the same number of teeth to make each transmission gear rotate at the same speed.
  • the sensing system comprises a solar projecting objective lens set consisting of a plurality of solar objective lenses and mounting members, a two-symmetric half-moon shaped battery unit, mounted under the projection objective lens group and located at the same center as the solar light projecting objective lens group.
  • the sensing system is connected to the signal amplifier through a solar cell, and the latter is connected to the reversible motor to be projected in the position of the solar cell according to the projection of the solar light objective lens.
  • the plate pivots or remains stationary.
  • the transparent plastic conductive light features are close to ordinary optical glass, and the transparent plastic is designed in the form of micro-column 45°, 45°, and 90° reflective prisms.
  • the optical principle of each monomer is shown in Figure 2.
  • the sunlight parallel to the normal surface of the reflecting prism slope enters and exits the inclined surface of the prism, and each of the right angles is reflected and optically deflected by 180°, so as to reflect the parallel incident light.
  • the surface of the plastic reflector does not need to be coated with any reflective material.
  • Figure 1 is a perspective view of a reflector of the present invention
  • Figure 2 is a cross-sectional view showing a cross section of a reflector of the present invention
  • Figure 3 is a perspective view of a prismatic optical principle of a strip-shaped microcolumn prism body of the reflector of Figure 2;
  • Figure 4 is a perspective enlarged view of the unitary microcolumn prism body unit of Figure 2, showing the relationship between the light incident on the strip-shaped microcolumn prism body and the prism surface;
  • Figure 5 shows the projection of the light path on the three coordinate planes of XOY, ⁇ , ⁇ of the reflector
  • Figure 6a, Figure 6b and Figure 6c are exploded views of the light in the direction of the XOY, ⁇ , ⁇ coordinates of the reflector;
  • 7a and 7b are optical path diagrams of light returning back to the space after the light is reflected by the reflecting surfaces of the XOY and ⁇ of the prism body of the reflector;
  • FIG. 8a and 8b are front and side views of a lamp body disposed on a reflector
  • Fig. 9 is a lamp body on a reflector which can be first formed into a preform, and then directly formed on the reflector by injection molding or fitting. a view of the opposite sides;
  • Figure 10 is a schematic view showing the optical path design of the prism body of the reflector of Figure 8.
  • Figure 11 is a schematic view showing one embodiment of an adjustment control device for a micro prism type solar light reflecting plate of the present invention.
  • Figure 12 is a schematic view showing the second embodiment of the adjustment control device for the micro prism type solar light reflecting plate of the present invention.
  • FIG. 13 is a schematic illustration of a solar sensor system of the present invention.
  • Figures 14a, 14b and 14c respectively show a schematic representation of the solar cell's convergence of light at different locations in the solar sensor to produce a corresponding operational response of the motor. Detailed description of the preferred embodiment
  • the microprism type solar reflector of the present invention is on the reflector 1 A surface, that is, the lower surface 12, is provided with a plurality of parallel strip-shaped microcolumn prism bodies 2 which form a continuous extending surface of a serrated shape on the lower surface 12, and the cross section of each microcolumn prism body 2 is isosceles Right-angled triangle with a apex angle of 90° and a base angle of 45°.
  • the reflector 1 is preferably made of a transparent plastic, for example, a transparent plexiglass, especially a polycarbonate plastic material.
  • This reflector 1 made of transparent plastic is close to ordinary optical glass in the characteristics of conducted light.
  • the respective strip-shaped microcolumn prism bodies 2 provided on the lower surface 12 of the reflecting plate 1 have an angle of 45°, a 45°, and a 90°.
  • the bottom surface or the oblique side of each of the micro-column prism bodies 2 is integrally connected to the main body of the light-reflecting sheet 1. The reflection of the light by each of the microcolumn prism bodies 2 is entirely in the form of prism reflection.
  • the sunlight (SL) is directed onto the reflector 1 in a plane F parallel to the prism, and the incident light a of each of the rays passes through the upper portion 11 of the reflector 1 into the microcolumn prism body 2 and The two mutually perpendicular faces or the right angles of the inclined faces 22, 23 of each microcolumn prism body 2 are refracted to be reflected out in a direction b parallel to the incident light a, as shown in Figs. 2 and 3. That is to say, the sunlight parallel to the normal surface of the micro-column prism body 2 is incident on the inclined surface of the prism body, and is reflected at each right angle, and is optically deflected by 180°, thereby achieving the purpose of reflecting the parallel incident light. Moreover, the plastic reflector 1 does not need to be coated with any reflective material on the surface, so it is effective and low in cost.
  • the incident refracting spectroscopy is an air refractive index
  • ⁇ 2 > ⁇ 1
  • human ⁇ (refractive angle) 0
  • the light parallel to the bevel plane of the microcolumn prism body 2 is not deflected into the prism.
  • the use of the totally reflective microcolumn prism body 2 as a reflector is better than the use of a metal as a reflector.
  • the advantages are: first, the incident light is totally reflected, and none of the metal surfaces can reflect the incident light 100%; secondly, The vertical or bevel of this reflection is a permanent internal reflection surface, the surface is not subject to the ring The effect of the soil contamination; also, the micro-column prism body 2 can reflect light parallel to each other and parallel to its normal surface, and for those non-directional light, such as light from clouds and air, dust diffuse Can be seen. This is the characteristic of the design "reflector". When it is applied to a building, it will exhibit the compatibility of the reflector with reflection and light transmission.
  • a combined right-angle prism can be used as a reflective plane, as evidenced by optical experiments and optical path mapping.
  • the experiment also states that when a beam of parallel light (or sunlight) is parallel to the normal plane of a set of microcolumn prism bodies 2, the beam of light will be reflected.
  • the reflector 1 on which a lamp body can be placed.
  • the reflector 1 further comprises a plurality of lamp bodies 3.
  • the reflector is provided with a plurality of uniform lamp holes or blind holes 24 on the end faces of both ends parallel to the microcolumn prism body 2.
  • the lamp body 3 can alternatively be an LED light emitting diode, a bulb or an electrode tube, and is mounted in the blind hole 24, respectively.
  • the plurality of lamp bodies can be pre-formed into the lamp assembly 3', such as the LED assembly, and directly packaged on both sides of the reflector by injection molding, that is, reflective with the microcolumn prism body.
  • the end faces of one or both ends of the plate are as shown in Fig. 9.
  • Figure 10 is the optical path design of the plastic micro-pillar prism body of Figure 8.
  • the reflector with the lamp body will become a right-angle prism reflection matrix lighting control device at night. After they are illuminated, the directional illumination of the room can be achieved. Therefore, the reflection and the amount of sunlight can be adjusted by the reflector during the day, and a luminous canopy or tablet can be provided for the lobby or the room at night. .
  • FIG. 11 is an embodiment of the adjustment control device for the reflector of the present invention, wherein the adjustment control device of the micro prism type solar reflector comprises one or more solar reflectors and a reversible motor 4 .
  • Each of the reflecting plates 1 is provided with a plurality of parallel strip-shaped microcolumn prism bodies 2 on one of the surfaces, and each of the column prism bodies 2 has a right-angled triangle like the above-mentioned reflector, and its apex angle is 90°, the bottom angle Each is 45°.
  • the stub shaft 5 is mounted on both end faces 13, 14 of the reflector perpendicular to the strip-shaped microcolumn prism body 2.
  • the cage of the reflector is rectangular, and the holder is provided with one or more pairs of short-axis mounting holes opposed to each other on the two relatively parallel rails.
  • the reflectors may be rotatably mounted in the mounting holes of the cage through the stub shaft 5 or the bearing 61 mounted on the stub shaft 5 and arranged in parallel with each other.
  • the reversible motor 4 is mounted on a holder or a holder near it.
  • the drive wheels are pulleys 101 which are respectively mounted on the output shaft and the short shaft 5 of the reversible motor, and are connected to the pulley through the belt 102 to rotate the reflector.
  • the pulley is also replaced by a synchronizing gear, and the belt is correspondingly used with a timing belt to ensure synchronous operation or rotation of the reflector.
  • a second embodiment of the adjustment control device for the reflector of the present invention wherein the adjustment control device of the micro prism type solar reflector includes all the components of the embodiment, except that the transmission wheel is not a pulley and
  • the synchronizing gear has a driving gear 31, a transmission gear 32, and a bridge gear 33.
  • the driving gear 31 is mounted on an output shaft of the motor 4, and the transmission gear 32 is mounted on a side of the reflector to pass through the mounting hole.
  • the bridge gear 33 On each of the stub shafts 5, the bridge gear 33 is mounted on a support shaft 35 fixedly disposed on the holder portion between the mounting holes, and meshes with the adjacent driving gear 31 and the transmission gear 32, the bridge gear 33 and The drive gear 32 has an equal number of teeth to cause each of the drive gears 32 to rotate at a constant speed.
  • Each of the mounting holes is provided with a bearing (in the figure) Not shown), the shaft ends of the short shafts 5 of the reflectors respectively cooperate with the bearing holes.
  • the adjustment control device for the reflector further includes a plurality of solar battery panels 8 and a sensor system 9.
  • the solar panel 8 is mounted on one side surface of four rods of the cage 6 (made of an aluminum profile or a plastic profile) around the reflector 1, and the sensor system 9 is composed of several solar objective lenses 91-93.
  • Solar projection tube, a solar cell 94 consisting of two symmetrical half-moon cells 95, 96, mounted below the projection cylinder and on the same central axis as the solar projection cylinder, a signal amplifier 97 and electrically controlled Circuit 98 is formed as shown in Figures 13 and 14.
  • the sensing system 9 is coupled to a signal amplifier 97 via a solar cell 94, which is coupled to a reversible motor 4' for projection relative to an intermediate position or off-center position of the half-moon shaped cells 95, 96 of the solar cell 94 in accordance with the solar projection tube 94.
  • the resulting current difference acts as a relative position signal of the sunlight to keep the reversible motor 4' stationary or rotating to drive the reflector 1 to pivot accordingly.
  • Fig. 14a and Fig. 14b show that the solar light collecting spot B is biased toward one side, and the reversible motor drives the main shaft of the reflecting plate to rotate.
  • Fig. 14c shows that the reversible motor stops working when the solar spot B is at the center of the solar panel.
  • the control principle of the basic control group or the adjustment control device of the reflector is:
  • Plastic micro prisms can be used to make reflectors of different shapes according to the needs of different occasions to form various reflective groups.
  • the solar sensor 9 used is notified of the reversible motor by the deviation of the sunlight on the reflecting plate and the normal position, and the reversible motor operates to drive the bypass gear 33 through the driving gear 31, thereby driving the driven gear. 32. Due to the consistency of the design parameters of the main and driven gears, the rotation angle of the reflector 1 is consistent.
  • the solar sensor 9 When the sunlight and the reflecting plate 1 are in an ideal state, that is, the sunlight is totally reflected, the solar sensor 9 has no signal output, the reversible motor stops operating, and the reflector stops rotating. Therefore, a closed loop system is formed from the solar sensor to the reflector.
  • the driving gear 31 can drive the transmission gear 32 through the reduction gear to rotate the reflector at a constant speed.
  • the mounted solar panel 8 can provide electrical energy for the rotation of the reversible motor 4'.
  • transparent thin glass can be installed on both sides of the reflector, so that the reflector is in a closed space, so that the entire reflection system will operate reliably even if the reflector is disturbed by the wind and rain.
  • the reflective system can be applied to the central hall of the building or the exterior wall of the building.
  • the width and length of the reflector should be determined according to the space plane.
  • the monomer material may be selected from polyethylene carbonate (transparent) which has good light transmittance and good strength, and the design monomer should ensure sufficient rigidity of the monomer. Otherwise, due to the excessive length or lack of rigidity of the monomer, the monomer is deflected, causing the optical path to be deflected, and the reflective monomer can be molded by a mold. If the monomer is too long or too wide, a metal or other material frame can be added.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Optical Elements Other Than Lenses (AREA)

Abstract

Plaque à microprismes permettant de réfléchir les rayons du soleil comprenant une pluralité de microprismes en colonnes disposés sur une surface en parallèle. La coupe transversale de chaque microprisme en colonne est un triangle isocèle dont l’angle au sommet est de 90 degrés et l’angle de base est de 45 degrés. Un moyen de commande permettant de régler les plaques à microprismes comprend un moteur réversible, une pluralité de roues d’entraînement et un cadre de maintien permettant de maintenir les plaques à microprismes. Les roues d'entraînement comprenant des poulies à courroie ou des pignons sont connectées à l'arbre de sortie du moteur réversible et aux arbres à pivot des plaques à microprismes pour entraîner les microplaques en rotation synchrone. Le moyen de commande comprend en outre un système capteur pour faire tourner les arbres à pivot des plaques à microprismes ou maintenir immobiles les plaques à microprismes selon l’emplacement de projection du projecteur solaire sur la cellule solaire.
PCT/CN2006/002052 2005-09-02 2006-08-14 Plaque à microprismes permettant de réfléchir les rayons du soleil WO2007025455A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNB2005100293751A CN100420967C (zh) 2005-09-02 2005-09-02 微型棱镜式太阳光反光板及其调节控制装置
CN200510029375.1 2005-09-02

Publications (2)

Publication Number Publication Date
WO2007025455A1 true WO2007025455A1 (fr) 2007-03-08
WO2007025455A8 WO2007025455A8 (fr) 2007-05-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/002052 WO2007025455A1 (fr) 2005-09-02 2006-08-14 Plaque à microprismes permettant de réfléchir les rayons du soleil

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CN (1) CN100420967C (fr)
WO (1) WO2007025455A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009003313A1 (fr) * 2007-07-02 2009-01-08 Dingguo Pan Plaque réfléchissante à microprismes pour rayonnement solaire
CN101419992B (zh) * 2007-10-22 2011-03-23 鸿富锦精密工业（深圳）有限公司 太阳能电池结构
WO2009100560A1 (fr) * 2008-01-31 2009-08-20 Dingguo Pan Plaque réfléchissant la lumière en forme de disque avec prismes en triangle rectangle non équilatéraux à section variable et lampe fabriquée à partir de celle-ci
CN101619898B (zh) * 2008-06-30 2010-08-18 北京市太阳能研究所有限公司 家用太阳能热水系统电动旋转遮盖真空集热管温控装置
WO2010022539A1 (fr) 2008-08-26 2010-03-04 Pan Dingguo Plaque circulaire réfléchissant la lumière, pourvue de prismes triangulaires orientés ayant des sections transversales identiques et lampe à plaque circulaire fabriquée à partir de ladite plaque
JP2012501002A (ja) 2008-08-26 2012-01-12 潘定国 反射板及びそれを備える平面型ライト、平面型照明器具
CN101629766B (zh) * 2009-05-22 2011-06-22 肖立峰 可跟踪太阳光线的多抛物面聚焦装置
TWI384193B (zh) * 2010-10-14 2013-02-01 Atomic Energy Council 百葉窗式聯動桿機構
CN102073132B (zh) * 2010-12-21 2012-06-27 付克来 一种太阳能三腔管式聚焦装置
CN102032693B (zh) * 2010-12-30 2012-11-28 上海极特实业有限公司 一种太阳能热交换系统的安全保护装置
CN102419011B (zh) * 2011-08-09 2013-01-02 东南大学 一种具有温度控制和保护功能的真空管太阳能集热器
CN102644898B (zh) * 2011-11-10 2015-10-07 深圳市光峰光电技术有限公司 发光系统
CN102607193B (zh) * 2012-04-18 2013-07-03 张德胜 太阳能直线型超薄光热利用聚光器
CN106024936A (zh) * 2016-06-16 2016-10-12 昆山诃德新能源科技有限公司 一种多功能聚光太阳能光电板及用途
CN109611297B (zh) * 2018-12-14 2020-10-09 佛山科学技术学院 一种自适应光照方向反光镜聚光发电装置
CN112012391B (zh) * 2020-09-03 2021-08-27 杭州翔毅科技有限公司 一种防潮式热岛效应用反光屋顶及其防潮方法
CN111980312B (zh) * 2020-09-03 2022-01-28 马文群 一种自动调节防潮式反光屋顶及其防潮方法
CN112152559B (zh) * 2020-09-27 2021-12-07 浙江中光新能源科技有限公司 一种定日镜与光伏结合的镜场系统及其布置方法

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JP2001032651A (ja) * 1999-07-21 2001-02-06 Sanyo Electric Co Ltd ブラインド
CN1445495A (zh) * 2003-04-15 2003-10-01 张耀明 大型防风自动跟踪太阳采光装置

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Publication number Priority date Publication date Assignee Title
US4517960A (en) * 1981-09-25 1985-05-21 Christian Bartenbach Protection device against solar light
JPH01159603A (ja) * 1987-12-17 1989-06-22 Yazaki Corp 採光装置
JPH10112208A (ja) * 1996-08-09 1998-04-28 Matsushita Electric Works Ltd 太陽光採光装置
JP2001032651A (ja) * 1999-07-21 2001-02-06 Sanyo Electric Co Ltd ブラインド
CN1445495A (zh) * 2003-04-15 2003-10-01 张耀明 大型防风自动跟踪太阳采光装置

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CN1924621A (zh) 2007-03-07
WO2007025455A8 (fr) 2007-05-03
CN100420967C (zh) 2008-09-24

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