WO2002063209A1 - Appareil orientable d'eclairage par la lumiere du jour - Google Patents
Appareil orientable d'eclairage par la lumiere du jour Download PDFInfo
- Publication number
- WO2002063209A1 WO2002063209A1 PCT/JP2002/000998 JP0200998W WO02063209A1 WO 2002063209 A1 WO2002063209 A1 WO 2002063209A1 JP 0200998 W JP0200998 W JP 0200998W WO 02063209 A1 WO02063209 A1 WO 02063209A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sun
- cpu
- power supply
- real
- time
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D13/033—Sky-lights; Domes; Ventilating sky-lights provided with means for controlling the light-transmission or the heat-reflection, (e.g. shields, reflectors, cleaning devices)
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- 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
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- 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
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- 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
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
- E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage; Sky-lights
- E04D13/03—Sky-lights; Domes; Ventilating sky-lights
- E04D2013/034—Daylight conveying tubular skylights
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Definitions
- the present invention relates to a sun-tracking type daylighting device, and more specifically, to a sun-tracking type daylighting device using a power supply that can be charged by a solar cell.
- a sun-tracking type in which the direction of the light reflecting means can be rotated following the sun in order to improve the lighting efficiency.
- the rotation of the light reflecting means is performed by using a motor as a driving source.
- the motor is controlled such that the light reflecting means rotates to follow the sun during sunshine hours from sunrise to sunset, and after sunset, the light reflecting means is controlled so that the light reflecting means is directed to the position of sunrise the next day.
- a solar cell power supply is preferably used. This power supply charges a capacitor with the power output from the solar cell, inputs the output voltage from the capacitor to a constant voltage circuit, and supplies a constant voltage by the constant voltage circuit to be supplied to a motor drive source, etc. Things.
- a backup secondary battery is usually provided in the control means for controlling the drive in preparation for the stop of the power supply from the power supply.
- the control means incorporates the data necessary for the light reflecting means to follow the sun, and the data includes information such as the latitude and longitude at the installation location of the daylighting device. Once this information has been initialized, it will take a lot of effort to recover the system. If the capacity of the backup secondary battery is increased to maintain the stability of the system, the equipment cost will increase. For this reason, it is necessary to closely monitor the state of charge of the secondary battery.
- An object of the present invention is to reduce the power consumption of the entire device system in a solar tracking type daylighting device using a solar cell type power supply.
- Another object of the present invention is to monitor the state of charge of a secondary battery that backs up a control means in a solar tracking type daylighting device using a solar cell type power supply, and always secure a predetermined charge amount. is there. Disclosure of the invention
- the present invention provides a light reflecting means for reflecting sunlight, a driving means for driving the light reflecting means, and a control for controlling the driving means to adjust the light reflecting means to the direction of the sun.
- a power supply means for supplying electric power to the drive means and the control means, and a solar tracking type daylighting device for introducing sunlight into the building via the light reflection means, wherein the power supply means is a solar cell panel.
- a main power supply that is charged and supplies power to the driving means and the control means, and a back-up device that is charged with power from the main power supply and supplies power to the control means
- Control means for controlling the operation of the driving means by calculating the azimuth of the sun based on the time information measured by the clock means. It has a CPU, and the CPU can switch the operation state from the sleep mode to the active mode based on the time information from the real-time clock means.
- the CPU can be switched to the sleeve mode in the active mode after controlling the operation of the driving means according to the time information from the real-time clock means.
- the main power supply is electrically connected to the control means and the driving means via the main power switch, and the CPU determines in active mode that it is a time zone for performing sun tracking.
- the operation state is switched from the active mode to the sleep mode, and the CPU must be in a time zone for performing sun tracking.
- the operating state can be switched from active mode to sleep mode without driving the driving means.
- the CPU can switch to the sleeve mode after checking the charge amount of the backup secondary battery in the active mode ⁇ Specifically, charging between the main power switch and the backup secondary battery The CPU checks the charge level of the secondary battery. If the CPU detects a value lower than the predetermined charge level, it turns on the charge switch and then switches to sleep mode.
- the charging of the secondary battery can be performed prior to the operation of the driving means.
- the real-time clock means may include a memory for storing information on the latitude and longitude of the installation position of the lighting device. In this case, the backup secondary battery should back up only the real-time clock means. It may be.
- the CPU is set to the sleep mode, and can be switched to the active mode only when interrupted by the real-time clock means at a constant cycle.
- the active mode the system returns to the sleep mode when it is not during the sun tracking time zone, and when it is during the solar tracking time period, it performs predetermined operation control of the driving means and checks the charge amount of the backup battery. After performing the work, the machine is returned to sleep mode.
- the control means and the driving means remain stopped until the next interrupt from the real-time clock means, so that the power consumption of the entire device system can be suppressed to the minimum necessary.
- the backup secondary battery is checked for charge when an interrupt is received from the real-time clock means at a fixed cycle, and is charged when the charge is less than a predetermined level. It is possible to maintain the charge amount.
- FIG. 1 is a block diagram showing an electric system of the sun tracking type daylighting device of the present invention.
- FIG. 2 is a flowchart showing one embodiment of the control operation in the control means of the sun tracking type daylighting device of the present invention.
- FIG. 3 is a flowchart showing another embodiment of the control operation in the control means of the sun tracking type daylighting device of the present invention.
- FIG. 4 is a perspective view of one embodiment of a sun tracking type daylighting device.
- FIG. 5 is a sectional view taken along line VV of FIG.
- FIG. 6 is a plan view of one embodiment of the sun tracking type daylighting device.
- Fig. 7 is a perspective view of the part from the support frame to the control box. It is.
- FIG. 8 is a cross-sectional view of the control box attached to the dome.
- FIG. 4 to FIG. 8 show a structure of an embodiment of a sun tracking type daylighting device using a solar cell type power supply. I have.
- the illustrated daylighting device has the light reflecting means suspended and supported, it is not limited to the suspension-supporting type and can be applied to a stationary type lighting device supporting the lower part of the light reflecting means. Of course.
- the direction of the sun S is set to “front” and the opposite side is set to “rear” as shown in FIGS. 5 and 6.
- the sun-tracking daylighting device (10) is installed at the upper end of a daylighting hole (90) that is opened from the roof of the building to the ceiling as shown in Fig.5.
- the lighting hole (90) is open at the top of the roof of the building.
- the lighting hole (90) is generally formed as a square with a side of about 120 cm, but its direction depends on the size, structure, orientation, required light amount, etc. of the building or room. different.
- the inner surface (92) of the lighting hole (90) is mirror-finished in order to efficiently guide the light beam L reflected by the sun tracking type lighting device (10) indoors.
- a transparent indoor light distribution plate (not shown) that diffuses light entering the room through the lighting hole (90) is attached.
- the sun tracking type daylighting device (10) includes a dome (15) attached to the upper end of the daylighting hole (90), and a light reflecting means suspended and supported in the dome. (30) and a command to rotate the light reflecting means (30) to follow the direction of the sun. Control pox (50).
- the dome (15) is a transparent or translucent power member that protects the light reflecting means (30) from wind, rain, dust, and the like, and prevents them from entering the room.
- the illustrated dome (15) is an acrylic resin whose center is processed into a substantially hemispherical shape, and whose peripheral edge is formed in a square shape according to the shape of the lighting hole (90).
- the dome (15) is not limited to a hemisphere, but may have various shapes such as a square shape and a conical shape.
- the light reflecting means (30) is configured by attaching a plurality of reflecting panels (31), (32), (33) to a support frame (34), and is suspended and supported inside the dome (15).
- the support frame (34) is a rod whose front side (sun S side) is inclined downward, and a hook (35) (see Fig. 7) for suspending support projects upward slightly behind the center. Has been established.
- the support frame (34) is provided with three reflection panels (31), (32) and (33).
- Each of the reflection panels (31), (32), and (33) is a mirror that reflects sunlight, and is made, for example, by attaching a resin film having a mirror surface formed by aluminum evaporation to a lightweight styrene resin plate.
- the reflective panels (31), (32), and (33) are supported side by side on the front, center, and rear sides of the support frame (34) such that the panels face each other.
- the reflective panels (31), (32), and (33) be manufactured in different sizes and have different mounting angles, especially in order to increase the lighting efficiency at low solar altitudes.
- the front reflective panel (31) is smaller in height and width than the other panels, and the central reflective panel (32) is higher in height than the rear panel (33). Although it is very low, it is desirable to form it wider than the rear panel. In addition, it is desirable that the lower ends of the reflection panels (31), (32), and (33) are mounted so that the front panel is higher than the rear panel.
- each panel (31) (32) (33) are set so that the inclination angle becomes smaller as the front panel, that is, inclined forward (0 1 ⁇ 0 2 and S 3) are desirable.
- the mounting angles 0 1, ⁇ 2, and 0 3 can be 55 °, 65 °, and 70 ° in order from the front panel. As a result, optimal lighting efficiency can be obtained according to the solar altitude.
- a solar cell support frame (42) protrudes forward from a hook (35) of the support frame (34), and a solar cell support frame (42) is attached to the tip of the solar cell support frame (42).
- the battery panel (40) is installed with the battery panel (40) inclined upward.
- the solar panel (40) is rotatably attached to the support frame (34) of the light reflecting means (30), so that the solar cell panel (40) follows the sun integrally with the light reflecting means (30). Highly efficient power generation can be performed.
- the wiring (46) is connected to the solar cell panel (40), and the wiring (46) is electrically connected to the power supply means (20).
- the control box (50) is attached to the mounting hole (22) at the top of the dome (15), and suspends and supports the support frame (34) of the light reflecting means (30).
- the control box (50) is configured by housing a driving means (60), a control means (70), a power supply means (20), and the like inside a casing (52).
- the casing is composed of a bottomed cylindrical casing body (52) and a lid (56), and the outer edge of the lid (56) is a flange of the casing body (52). And protrudes so as to cover the flange (54), and closes the upper opening of the casing body (52).
- gear box Inside the casing body (52), there is a gear box that constitutes the driving means (60).
- a motor (62) and a rotating shaft (66) are connected to each other via a reduction mechanism (not shown) in the gear box (64).
- the control means (70) is a circuit board (74) on which various electronic components necessary for controlling the driving means (60) are mounted, and an angle detection is provided at the center of the lower surface of the circuit board (74). Means (72) are provided.
- the angle detecting means (72) detects the angle of the light reflecting means (30), and is connected to the rotating shaft (66) via a joint.
- This angle detecting means (72) a potentiometer whose resistance value changes according to the magnitude of the rotation angle can be used.
- Power supply means (20) is provided on the substrate (74), and the power supply means (20) is composed of a main power supply device (22) and a secondary battery (24).
- a high-capacity capacitor (supercapacitor) can be used as the main power supply (22), and a lithium manganese dioxide secondary battery can be used as the secondary battery (24).
- the power generated by the solar panel (40) during the daylight hours is supplied to the main power supply device (22) and stored in a capacitor of the device.
- the main power supply (22) generally includes, besides the capacitor, a constant voltage circuit for supplying a constant voltage to the load.
- the main power supply (22) is electrically connected to a driving means (60) for rotating the light reflecting means (30) and a control means (70) for controlling the driving means and the like via a main power supply switch (26). And supplies power to the driving means (60) and the control means (70).
- a backup secondary battery (24) for supplying power to the control means (70), and between the main power switch (26) and the backup secondary battery (24).
- a charging switch (28) is provided.
- the driving means (60) is connected to the angle detecting means (72) and the light reflecting means (30).
- the control means (70) has a real-time clock IC (75), CPU (76), a motor drive circuit (77) and an angle detector circuit (78) as real-time clock means.
- the real-time clock I C (75) generates time information and interrupts the CPU at a fixed cycle. Note that a memory in which information on the latitude and longitude at the installation position of the lighting device can be included.
- the CPU (76) exchanges time information with the real-time clock IC (75), calculates the direction of the sun based on the time information measured by the real-time clock IC (75), 60) Operation control is performed. It also checks the amount of charge of the backup secondary battery, and monitors system abnormalities.
- the motor drive circuit (77) is connected to the CPU (76), drives the motor (62) under the control of the CPU (76), and tracks the light reflecting means (30) to the sun. Move.
- the angle detector circuit (78) is connected to the CPU (76), and the detection result of the angle detecting means (72) is sent to the CPU (76).
- the CPU when the use of the daylighting device is started in step 100, the CPU is set to a sleep mode (step 102).
- the “sleeving mode” means a mode in which the CPU and its peripheral functions stop operating, and includes a state in which no power is consumed.
- the real-time clock interrupts the CPU at a fixed cycle (step 104).
- the solar panel and light reflecting means follow the sun The shorter the period, the higher the efficiency of power generation and lighting, but increases power consumption.
- the cycle at which the real-time clock interrupts the CPU is set to 10 minutes in order to secure the desired power generation and daylighting efficiency and suppress an increase in power consumption.
- this cycle can be set to an optimal time as appropriate according to the latitude and longitude of the position where the lighting device is installed.
- step 106 If it is determined in step 106 that there is an interrupt to the CPU by the real-time clock, the CPU is set to the active mode (step 108).
- active mode means a mode in which the CPU executes a program.
- the CPU acquires the current time information from the real-time clock (step 110).
- step 1 1 2 it is determined whether it is a time zone for performing the sun tracking (step 1 1 2).
- the time zone of the sun tracking means the sunshine duration from sunrise to sunset, and is the time zone where the light reflecting means is moved to follow the sun and guide the sunlight indoors. If not, return to step 102 and set CPU to sleep mode. This is to prevent unnecessary power consumption.
- step 116 If it is a time zone for tracking the sun, go to step 114 and turn on the main power switch. Next, it is determined whether or not it is the last operation in the time zone of the sun tracking (step 116).
- step 120 the CPU calculates the moving angle of the light reflecting means.
- the driving means rotates the light reflecting means by an angle instructed by the CPU, and updates the position of the light reflecting means (step 122). At this time, the solar panel also rotates.
- step 116 If it is determined in step 116 that this is the last operation, the light reflecting means is moved.
- the motion is set to the reverse mode (step 118).
- this reverse rotation mode is set, in the next step 120, the moving angle of the light reflecting means is set to be the sunrise position the next morning, and the light reflecting means is rotated in the reverse direction, and the position of the light reflecting means is changed. Is updated (steps 1 2 2).
- step 124 the CPU checks the charge amount of the backup secondary battery. The amount of charge is checked for a voltage that is typical of the indicator. Next, it is determined whether or not the battery voltage is lower than a predetermined voltage (step 126).
- the predetermined voltage in this embodiment is 2.7 V.
- step 130 If the battery voltage of the secondary battery is lower than 2.7 V, the charging switch is turned on (step 130), and the backup secondary battery is charged by the power output from the main power supply. .
- step 132 if it is determined in step 132 that the charging switch is not off, the process returns to step 102 while the main power switch is turned on, and sets the CPU to the sleep mode. If it is determined in step 126 that the battery voltage of the secondary battery is 2.7 V or more, there is no need for charging, and the charging switch is turned off (step 128). If it is determined in step 1 32 that the charging switch is off, the main power switch is turned off in the next step 1 34, and the process returns to step 102 to set the CPU to the sleep mode. .
- FIG. 3 is a flowchart when the charge check of the secondary battery and the charge step of the secondary battery are performed prior to the operation of the driving means.
- step 2 14 When the main power switch is turned on (step 2 14), the voltage of the backup secondary battery is checked (step 2 16). Next, it is determined whether the battery voltage is lower than 2.7 V (set voltage) (step 218). When the battery voltage of the secondary battery is lower than 2.7 V, the charging switch is turned on. (Step 222) The backup secondary battery is charged by the power output from the main power supply. Next, if it is determined in step 222 that the charging switch is not turned off, the process returns to step 202 and sets the CPU to the sleep mode. If it is determined in step 218 that the battery voltage of the secondary battery is 2.7 V or more, there is no need for charging, and the charging switch is turned off (step 220). If it is determined in step 2 24 that the charging switch is off, the process proceeds to step 2 26.
- the backup secondary battery backs up the electrical system of the control means, checks the charging state prior to the operation of the drive means, and performs charging as necessary, so that the main power supply unit Even when the battery is completely discharged, it is possible to prevent the control means from being initialized until the battery is charged again.
- the real-time clock IC includes a memory that stores the latitude and longitude information at the installation position of the lighting device
- the backup secondary battery is backed up only the real-time clock IC in the control means. You can also This is because if the information on the latitude and longitude at the installation location of the daylighting device is initialized, a great deal of effort will be required to restore the system.
- the main power switch is turned off in step 234, and the process returns to step 202 to set the CPU to the sleep mode.
- the sun tracking type daylighting device of the present invention The CPU is set to sleep mode and switches to active mode only when there is an interrupt from the real-time clock at regular intervals, and the driver switches according to the time information from the real-time clock. After performing predetermined operation control of the stage, checking the charged amount of the backup secondary battery, and performing necessary charging work, the system is configured to return to the sleep mode. Therefore, the control means and the drive means remain stopped from the real-time clock until the next interrupt, so that power consumption can be kept to the minimum necessary, and the capacitor of the main power supply remains the same as the conventional capacitor. However, further stabilization of the system can be achieved.
- the backup secondary battery is checked for charge when a real-time clock interrupts it at a fixed cycle, and is charged when the charge is less than a predetermined level.
- the quantity can be maintained. Therefore, even when the capacity of the secondary battery is the same as before, the system stability is much better than before.
- the sun-tracking type daylighting device of the present invention is extremely useful because the power consumption of the entire device system can be reduced and the charge amount of the secondary battery that backs up the control means is always secured.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Sustainable Energy (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Electric Clocks (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002435992A CA2435992A1 (en) | 2001-02-07 | 2002-02-06 | Solar lighting apparatus of the sun tracking type |
US10/470,261 US6827445B2 (en) | 2001-02-07 | 2002-02-06 | Sun-tracking daylighting apparatus |
MXPA03006898A MXPA03006898A (es) | 2001-02-07 | 2002-02-06 | Aparato solar de iluminacion del tipo que sigue al sol. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001030666A JP2002236190A (ja) | 2001-02-07 | 2001-02-07 | 太陽追尾式採光装置 |
JP2001-030666 | 2001-02-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2002063209A1 true WO2002063209A1 (fr) | 2002-08-15 |
Family
ID=18894852
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2002/000998 WO2002063209A1 (fr) | 2001-02-07 | 2002-02-06 | Appareil orientable d'eclairage par la lumiere du jour |
Country Status (5)
Country | Link |
---|---|
US (1) | US6827445B2 (ja) |
JP (1) | JP2002236190A (ja) |
CA (1) | CA2435992A1 (ja) |
MX (1) | MXPA03006898A (ja) |
WO (1) | WO2002063209A1 (ja) |
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US8601757B2 (en) | 2010-05-27 | 2013-12-10 | Solatube International, Inc. | Thermally insulating fenestration devices and methods |
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KR101221117B1 (ko) * | 2011-01-06 | 2013-01-21 | 비나텍주식회사 | 슈퍼 커패시터를 이용한 태양열 발전용 미러 구조체 |
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CN104081115B (zh) | 2011-11-30 | 2016-11-09 | 索乐图国际公司 | 日光收集系统和方法 |
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US8979286B2 (en) | 2012-06-28 | 2015-03-17 | Donald E. Hultberg | Spherical mechanical linkage and multi-axis trackers |
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CN103968576A (zh) * | 2014-05-22 | 2014-08-06 | 成都博昱新能源有限公司 | 一种槽式太阳能集热器的逐日系统 |
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TWI555967B (zh) * | 2015-09-21 | 2016-11-01 | 修平學校財團法人修平科技大學 | 光源條件分析方法及裝置 |
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JP2000048611A (ja) * | 1998-07-24 | 2000-02-18 | Sanyo Electric Co Ltd | 太陽光採光装置 |
JP2001210115A (ja) * | 2000-01-28 | 2001-08-03 | Matsushita Electric Works Ltd | 採光装置 |
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US4440150A (en) * | 1982-01-25 | 1984-04-03 | Atlantic Richfield Company, Inc. | Heliostat control |
JP2001312910A (ja) * | 2000-04-28 | 2001-11-09 | Sanyo Electric Co Ltd | 太陽光採光装置 |
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2001
- 2001-02-07 JP JP2001030666A patent/JP2002236190A/ja not_active Withdrawn
-
2002
- 2002-02-06 MX MXPA03006898A patent/MXPA03006898A/es unknown
- 2002-02-06 WO PCT/JP2002/000998 patent/WO2002063209A1/ja active Application Filing
- 2002-02-06 CA CA002435992A patent/CA2435992A1/en not_active Abandoned
- 2002-02-06 US US10/470,261 patent/US6827445B2/en not_active Expired - Fee Related
Patent Citations (3)
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FR2678752A1 (fr) * | 1991-07-03 | 1993-01-08 | Somfy | Installation de commande du niveau d'eclairement d'un local. |
JP2000048611A (ja) * | 1998-07-24 | 2000-02-18 | Sanyo Electric Co Ltd | 太陽光採光装置 |
JP2001210115A (ja) * | 2000-01-28 | 2001-08-03 | Matsushita Electric Works Ltd | 採光装置 |
Also Published As
Publication number | Publication date |
---|---|
MXPA03006898A (es) | 2003-11-18 |
US20040050380A1 (en) | 2004-03-18 |
JP2002236190A (ja) | 2002-08-23 |
CA2435992A1 (en) | 2002-08-15 |
US6827445B2 (en) | 2004-12-07 |
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