WO2000066947A1 - Systeme de reflecteur solaire - Google Patents
Systeme de reflecteur solaire Download PDFInfo
- Publication number
- WO2000066947A1 WO2000066947A1 PCT/GB2000/001606 GB0001606W WO0066947A1 WO 2000066947 A1 WO2000066947 A1 WO 2000066947A1 GB 0001606 W GB0001606 W GB 0001606W WO 0066947 A1 WO0066947 A1 WO 0066947A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensors
- mirror
- light
- received
- motors
- Prior art date
Links
- 230000003068 static effect Effects 0.000 description 2
- 241000127225 Enceliopsis nudicaulis Species 0.000 description 1
- 206010052143 Ocular discomfort Diseases 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003278 mimic effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/10—Control of position or direction without using feedback
- G05D3/105—Solar tracker
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S11/00—Non-electric lighting devices or systems using daylight
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
- F24S30/452—Vertical primary axis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
- F24S50/20—Arrangements for controlling solar heat collectors for tracking
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
-
- 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
Definitions
- the object of this device is to capture sunlight and reflect it back onto the shaded side of the dwelling thus providing sunshine potentially on several sides of the house at the same time, but at least providing natural sunlight which previously was either partially or totally absent.
- a sunlight reflecting device comprising a mirror rotatably mounted on a support and having motors to move the mirror rotatably both up and down and from side to side, and a sensor unit mounted in a direction along which the reflected light is required and having an array of sensors facing the mirror and separately responsive to the intensity of light received and connected to control the operation of the motors in such a way as to cause the reflected light or shadow to be received substantially equally on the sensors.
- a solar cell positioning device comprising solar cell panel rotatably mounted on a support and having motors to move the panel rotably both up and down and from side to side, and a sensor unit mounted with the solar panel so as face in the same direction as the solar panel to receive light directly from the sun and having an array of sensors facing in said direction and separately responsive to the intensity of light received and connected to control the operation of the motors in such a way as to cause received light or shadow to be received substantially equally on the sensors.
- the mirror or the solar panel will be caused to move so that the reflected light is projected along a desired line.
- the reflecting mirror will have a convex surface so that the light is spread over a wide area.
- the sensors can be provided in pairs respectively in a vertical alignment to control the rotational up and down motion and in a horizontal alignment to control the rotational side to side motion.
- Another possibility is to provide four sensors in a square array and a comparison device is connected to compare the respective outputs from the two sensors at each side to control the rotational side to side motion and from the upper and lower pairs of sensors to control the rotational up and down motion.
- the sensors could be splayed out slightly at angles from the axial line of the direction along which the reflected light is required or received.
- the sensors are screened off from one another by baffles aligned with the axial line of the direction along which the reflected light is required or received.
- the objective of course is to ensure that the sensors are subjected to light of differing intensities if the mirror is not in the required position to project the light from the sun along the desired direction.
- the device may incorporate a light intensity sensor for switching off the system when the ambient light intensity falls below a predetermined level. This saves power, for example at the end of the day when the sunlight is too weak to be of any real value and can also be used to ensure that the device only switches on when the sun is not heavily obscured by cloud.
- the override could also be used to direct reflected light in a desired alternative direction if it is not wanted on the house, for example.
- Figure 1 is a diagrammatic illustration of a sun reflector system of this invention
- Figures 2A and 2B are rear perspective and side views respectively of a mirror support unit of the sun reflector system of Figure 1;
- Figure 3 is a front perspective view of a sensor unit forming part of the system of Figure 1 ;
- Figure 4 is a front view of the sensor unit shown in Figure 3 ;
- Figures 5 and 6 are views comparable to those of Figures 3 and 4 for an alternative form of sensor unit
- Figures 7A and 7B are views comparable to those of Figures 2A and 2B for a solar cell positioning system of this invention.
- Figure 8 is a front view of the system shown in Figures 7A and 7B .
- the reflector device shown in Figures 1 to 4 comprises a reflective concave mirror 1 mounted on a support strut 2, together with a sensor unit 3 which receives light reflected from the mirror.
- Figure 1 also illustrates a house 4 which faces generally Northwards and the sun 5 is illustrated in a position during the early part of the morning. Light from the sun can be reflected onto the front of the house 4, in the region 6, by the mirror 1, if the mirror is correctly positioned.
- the mirror is mounted for rotation about the vertical support strut 2 by means of a servo-motor 7.
- Another servo-motor 8 enables the mirror 1 to be rotated about a horizontal axis with respect to the post 2.
- a balancing counterweight 9 is provided.
- the operation of the motors 7 and 8 is controlled by the outputs from an array of light sensors 10 on the unit 3
- the sensors are masked from one another by baffles 11.
- the sensor unit 3 is located directly in line with the desired direction along which the reflected light 12 is required. If the mirror is incorrectly positioned then some of the sensors will be shaded by the baffles 11, thus resulting in the outputs from the sensors differing from one another.
- An electronic circuit can compare the sensor outputs and send signals to the motors 7 and 8 to cause the mirror to be rotated in such a way that the reflected light falls equally on the four sensors. (Alternatively, as shown in Figures 5 and 6, shadow from a blocking pad 12 can be made to fall equally on the four sensors.) This then ensures that the reflected sunlight is directed along the desired line 12 onto region 6 on the front face of the building 4.
- the mirror 1 will be caused to rotate in a complementary manner so as to ensure that the reflected sunlight continues to extend along the desired line 12.
- the array of sensors 10 and baffles 11 could be rotated through 45° if desired to provide "upper and lower” and “left and right” sensors.
- the reflector should desirably be mounted at some height above the building 4 to reduce potential visual discomfort. This should ideally be at a height to mimic the angle of the sun as if it was shining from that side of the building.
- the system could also be mounted so that it could be attached to the eaves of a house to shine down the wall.
- the sunlight reflecting system could be modified to define a solar cell positioning system as illustrated in Figures 7 and 8.
- a solar panel 12 replaces the reflector mirror and the sensor head 3 is repositioned to the side of the solar panel.
- the electronics housing 13 for controlling the motors 9 is repositioned on or near the mounting structure 2.
- the sensor head remains exactly as shown in Figures 3 and 4 or 5 and 6.
- the exact same mechanism control as used for the sun relector system can be used to track the solar panel towards the sun.
- the sun's rays are then maintained perpendicular to the panel face thus providing highest efficiency at all times of sunlight hours.
- a tapping can be taken to supply the electric circuit to drive the servo motors thus making the entire system totally automonous .
- a light intensity sensor could be built into the electronic circuit to ensure that the entire system is switched off if the ambient light intensity falls below a critical level.
- the system will be driven by a low voltage electrical supply which could be supplied from a solar cell.
- An automatic adjustment mechanism could be provided to move the mirror to the approximate start position for the morning, after the sun sets in the evening.
Landscapes
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Photovoltaic Devices (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00925486A EP1206665A1 (fr) | 1999-04-29 | 2000-04-25 | Systeme de reflecteur solaire |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9909852.7A GB9909852D0 (en) | 1999-04-29 | 1999-04-29 | Sun reflector system |
GB9909852.7 | 1999-04-29 | ||
GB0005974.1 | 2000-03-14 | ||
GB0005974A GB0005974D0 (en) | 2000-03-14 | 2000-03-14 | Sun reflector system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2000066947A1 true WO2000066947A1 (fr) | 2000-11-09 |
Family
ID=26243860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/GB2000/001606 WO2000066947A1 (fr) | 1999-04-29 | 2000-04-25 | Systeme de reflecteur solaire |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP1206665A1 (fr) |
WO (1) | WO2000066947A1 (fr) |
Cited By (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002079793A1 (fr) * | 2001-03-28 | 2002-10-10 | Solar Systems Pty Ltd | Systeme de poursuite solaire |
FR2837261A1 (fr) * | 2002-03-18 | 2003-09-19 | Paul Cerisier | Reflecteur solaire orientable pour modifier la trajectoire des rayons du soleil et eclairer une grande plage fixe situee a l'ombre |
FR2843185A1 (fr) * | 2002-07-31 | 2004-02-06 | Agnes Marie Annie Hardy | Dispositif pour reflechir le soleil en permanence vers les pieces sombres d'un batiment. |
WO2006017955A1 (fr) * | 2004-08-17 | 2006-02-23 | Yaoming Zhang | Appareil a miroir detectant la lumiere solaire |
US7076965B2 (en) | 2001-03-28 | 2006-07-18 | John Beavis Lasich | Cooling circuit for receiver of solar radiation |
WO2009060491A2 (fr) * | 2007-11-08 | 2009-05-14 | Alessandro Chiorlin | Dispositif de support pour panneaux photovoltaïques destinés à des installations de production d'énergie électrique |
WO2009060390A1 (fr) * | 2007-11-06 | 2009-05-14 | Wilhelm Frederich Haupt | Système de chauffage et de poursuite solaire |
US7550054B2 (en) | 2001-03-28 | 2009-06-23 | Solar Systems Pty Ltd. | Method of manufacturing mirrors for a dish reflector |
ES2358815A1 (es) * | 2008-07-31 | 2011-05-16 | Aplicaciones Renovables Integradas, Sl | Heliostato con un eje de accionamiento apuntando al objetivo, sensor de reflexión y control en lazo cerrado. |
WO2011135524A1 (fr) * | 2010-04-27 | 2011-11-03 | Econation | Tabatière |
EP2450644A1 (fr) * | 2010-11-05 | 2012-05-09 | Daniele Tommei | Héliostat portable |
WO2012117123A1 (fr) * | 2011-03-03 | 2012-09-07 | Aplicaciones Renovables Integradas, S.L. | Héliostat comprenant un axe d'actionnement visant une cible, capteur de réflexion et commande en boucle fermée |
WO2013079825A1 (fr) * | 2011-12-01 | 2013-06-06 | Sunpartner | Héliostat sans dispositif de mémorisation ni de calcul des positions solaires |
EP2284455A3 (fr) * | 2009-08-14 | 2013-12-04 | SCHÜCO International KG | Dispositif de poursuite |
WO2016110669A1 (fr) * | 2015-01-09 | 2016-07-14 | Tom Robin Caine Boyde | Éclairage pour l'horticulture et d'autres applications. |
WO2016115610A1 (fr) * | 2015-01-21 | 2016-07-28 | Mitev Gancho | Système de réflecteurs et procédé de miroirs convexes pour systèmes solaires et photovoltaïques |
WO2016148668A3 (fr) * | 2015-03-16 | 2016-10-27 | T. C. Marmara Universitesi | Système d'énergie solaire permettant de propager l'unité de faisceau lumineux sur une plus grande surface réceptrice dans la même unité de surface |
CN106287559A (zh) * | 2016-08-04 | 2017-01-04 | 招商局重庆交通科研设计院有限公司 | 基于一次反射原理的隧道用太阳光直接照明系统 |
FR3113311A1 (fr) * | 2020-08-07 | 2022-02-11 | Espaciel | dispositif permettant de diriger la lumière naturelle du jour vers une ouverture d’un bâtiment |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620771A (en) * | 1984-09-06 | 1986-11-04 | So-Luminaire Systems Corp. | Combined solar tracking reflector and photovoltaic panel |
DE4306656A1 (de) * | 1993-03-03 | 1993-12-16 | Georg Linckelmann | Automatische Nachführung nach dem Sonnenstand |
FR2717588A1 (fr) * | 1994-03-17 | 1995-09-22 | Montel Gerard | Appareil de réflection automatisée des rayons du soleil. |
JPH09265815A (ja) * | 1996-03-29 | 1997-10-07 | Fujita Corp | 建物日陰部への太陽光照射方法と照射装置 |
DE19620307A1 (de) * | 1996-05-10 | 1997-11-13 | Christoph Hollaender | Sonnenlicht-Reflektor |
US5980052A (en) * | 1997-07-29 | 1999-11-09 | Thor; Leifur Hayden | Sun reflecting device |
-
2000
- 2000-04-25 EP EP00925486A patent/EP1206665A1/fr not_active Withdrawn
- 2000-04-25 WO PCT/GB2000/001606 patent/WO2000066947A1/fr not_active Application Discontinuation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620771A (en) * | 1984-09-06 | 1986-11-04 | So-Luminaire Systems Corp. | Combined solar tracking reflector and photovoltaic panel |
DE4306656A1 (de) * | 1993-03-03 | 1993-12-16 | Georg Linckelmann | Automatische Nachführung nach dem Sonnenstand |
FR2717588A1 (fr) * | 1994-03-17 | 1995-09-22 | Montel Gerard | Appareil de réflection automatisée des rayons du soleil. |
JPH09265815A (ja) * | 1996-03-29 | 1997-10-07 | Fujita Corp | 建物日陰部への太陽光照射方法と照射装置 |
DE19620307A1 (de) * | 1996-05-10 | 1997-11-13 | Christoph Hollaender | Sonnenlicht-Reflektor |
US5980052A (en) * | 1997-07-29 | 1999-11-09 | Thor; Leifur Hayden | Sun reflecting device |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 02 30 January 1996 (1996-01-30) * |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002079793A1 (fr) * | 2001-03-28 | 2002-10-10 | Solar Systems Pty Ltd | Systeme de poursuite solaire |
US7076965B2 (en) | 2001-03-28 | 2006-07-18 | John Beavis Lasich | Cooling circuit for receiver of solar radiation |
US7109461B2 (en) | 2001-03-28 | 2006-09-19 | Solar Systems Pty Ltd. | Solar tracking system |
US7550054B2 (en) | 2001-03-28 | 2009-06-23 | Solar Systems Pty Ltd. | Method of manufacturing mirrors for a dish reflector |
FR2837261A1 (fr) * | 2002-03-18 | 2003-09-19 | Paul Cerisier | Reflecteur solaire orientable pour modifier la trajectoire des rayons du soleil et eclairer une grande plage fixe situee a l'ombre |
FR2843185A1 (fr) * | 2002-07-31 | 2004-02-06 | Agnes Marie Annie Hardy | Dispositif pour reflechir le soleil en permanence vers les pieces sombres d'un batiment. |
WO2004013536A1 (fr) | 2002-07-31 | 2004-02-12 | Hardy Agnes | Dispositif de reflexion solaire |
WO2006017955A1 (fr) * | 2004-08-17 | 2006-02-23 | Yaoming Zhang | Appareil a miroir detectant la lumiere solaire |
WO2009060390A1 (fr) * | 2007-11-06 | 2009-05-14 | Wilhelm Frederich Haupt | Système de chauffage et de poursuite solaire |
WO2009060491A2 (fr) * | 2007-11-08 | 2009-05-14 | Alessandro Chiorlin | Dispositif de support pour panneaux photovoltaïques destinés à des installations de production d'énergie électrique |
WO2009060491A3 (fr) * | 2007-11-08 | 2009-08-06 | Alessandro Chiorlin | Dispositif de support pour panneaux photovoltaïques destinés à des installations de production d'énergie électrique |
ES2358815A1 (es) * | 2008-07-31 | 2011-05-16 | Aplicaciones Renovables Integradas, Sl | Heliostato con un eje de accionamiento apuntando al objetivo, sensor de reflexión y control en lazo cerrado. |
EP2284455A3 (fr) * | 2009-08-14 | 2013-12-04 | SCHÜCO International KG | Dispositif de poursuite |
BE1019319A5 (nl) * | 2010-04-27 | 2012-06-05 | Econation | Lichtkoepel. |
WO2011135524A1 (fr) * | 2010-04-27 | 2011-11-03 | Econation | Tabatière |
EP2450644A1 (fr) * | 2010-11-05 | 2012-05-09 | Daniele Tommei | Héliostat portable |
WO2012117123A1 (fr) * | 2011-03-03 | 2012-09-07 | Aplicaciones Renovables Integradas, S.L. | Héliostat comprenant un axe d'actionnement visant une cible, capteur de réflexion et commande en boucle fermée |
WO2013079825A1 (fr) * | 2011-12-01 | 2013-06-06 | Sunpartner | Héliostat sans dispositif de mémorisation ni de calcul des positions solaires |
FR2983568A1 (fr) * | 2011-12-01 | 2013-06-07 | Sunpartner | Heliostat sans dispositif de memorisation ni de calcul des positions solaires |
WO2016110669A1 (fr) * | 2015-01-09 | 2016-07-14 | Tom Robin Caine Boyde | Éclairage pour l'horticulture et d'autres applications. |
US11793118B2 (en) | 2015-01-09 | 2023-10-24 | Tom Robin Caine Boyde | Illumination for horticultural and other applications |
WO2016115610A1 (fr) * | 2015-01-21 | 2016-07-28 | Mitev Gancho | Système de réflecteurs et procédé de miroirs convexes pour systèmes solaires et photovoltaïques |
WO2016148668A3 (fr) * | 2015-03-16 | 2016-10-27 | T. C. Marmara Universitesi | Système d'énergie solaire permettant de propager l'unité de faisceau lumineux sur une plus grande surface réceptrice dans la même unité de surface |
CN106287559A (zh) * | 2016-08-04 | 2017-01-04 | 招商局重庆交通科研设计院有限公司 | 基于一次反射原理的隧道用太阳光直接照明系统 |
CN106287559B (zh) * | 2016-08-04 | 2019-03-12 | 招商局重庆交通科研设计院有限公司 | 基于一次反射原理的隧道用太阳光直接照明系统 |
FR3113311A1 (fr) * | 2020-08-07 | 2022-02-11 | Espaciel | dispositif permettant de diriger la lumière naturelle du jour vers une ouverture d’un bâtiment |
Also Published As
Publication number | Publication date |
---|---|
EP1206665A1 (fr) | 2002-05-22 |
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