JPH0454482Y2 - - Google Patents

Description

[Detailed explanation of the idea]

[Technical field] This invention relates to a sunlight tracking and lighting device that irradiates sunlight onto houses whose sunlight is blocked by high-rise houses. [Background technology] In recent years, as cities have become overcrowded, it has become extremely difficult to obtain daylight. In particular, in a high-rise building 100 as shown in FIG. 10 or a low-rise residential building 104 whose sunlight is significantly blocked by a high-rise building 102 as shown in FIG. 11, restoring sunlight rights is an important issue. ing. In order to solve this lighting problem, various proposals have been made as shown below, but each has its own drawbacks, and a device that fully satisfies the requirements has not yet been realized. For example, in the case of the high-rise residential building 100 in FIG. 10, there is a method of installing a reflecting mirror 108 on the roof 106 of the building and reflecting sunlight L with this reflecting mirror 108 to illuminate each unit. However, according to this method, since the sun S is always moving, the reflector 1
The area irradiated by 08 also fluctuated with the movement of the sun S, making it impossible to illuminate a desired position at a desired time. Furthermore, in a case where low-rise houses 104 protected from sunlight by high-rise buildings 102 are widely distributed as shown in FIG. There was a problem of high cost. [Purpose of the invention] The purpose of this invention is to provide a sunlight tracking lighting device that can illuminate any position at any time and that can illuminate multiple lighting positions with one reflecting device. be. [Disclosure of the invention] The sunlight tracking and daylighting device of this invention includes a sunlight reflecting device that is rotatable around horizontal and vertical axes and has a reflecting surface that reflects sunlight on the front side, and a solar reflecting device that is rotatable around horizontal and vertical axes. a driving device that changes the azimuth and altitude angle; a daylighting condition setting unit that sets a plurality of daylighting position data and daylighting time data at each daylighting position; and a daylighting condition setting unit that sets data on a plurality of daylighting positions and daylighting time data at each daylighting position, and from the position of the sun and the daylighting position set in the daylighting condition setting unit. A control device comprising a calculation unit that calculates the azimuth and altitude angle of the normal axis of the reflective surface that can reflect sunlight to the daylighting position during the daylighting time, and an output unit that outputs the calculation results; and a signal amplification section that receives an output signal from the solar light reflector and drives the drive device to change the angle of the sunlight reflecting device so as to allow sunlight to enter the daylighting position. According to the configuration of this invention, the angle of the sunlight reflecting device is controlled by the calculation section of the control device based on the position of the sun and the daylighting position set in the daylighting condition setting section, so that daylighting can be directed to the daylighting position. can. Therefore, by changing the daylighting position data and daylighting time data set in the daylighting condition setting section, daylighting can be performed at any desired position at any time. Furthermore, the sunlight reflecting device is movable and can sequentially illuminate a plurality of lighting positions set in the lighting condition setting section, and one sunlight reflecting device can illuminate a plurality of lighting positions. Embodiment An embodiment of this invention will be described based on FIGS. 1 to 9. As shown in FIG. 1, the solar tracking lighting device of this embodiment includes a solar reflecting device 10 that is rotatable around a horizontal axis and a vertical axis and has a reflective surface that reflects sunlight L on the front surface. A driving device 12 that changes the azimuth and altitude angle of the sunlight reflecting device 10, and a lighting condition setting unit 1 that sets a plurality of daylighting position data and daylighting time data at each daylighting position.
4, sunlight L is set at the daylighting position P based on the position of the sun S and the daylighting position P set in the daylighting condition setting section 14;
a control device 16 comprising a calculation unit that calculates the azimuth and altitude angle of the normal axis of the reflective surface 10a that can reflect during the daylighting time, and an output unit that outputs the calculation results; and an output from the control device 16. It is provided with a signal amplifying section 18 that receives a signal, drives the driving device 12, and changes the angle of the sunlight reflecting device 10 so that the sunlight can be brought into the lighting position P. The sunlight reflecting device 10 and the driving device 12 will be explained based on FIGS. 2 to 4. The drive device 12 includes an azimuth angle drive section 12a and an altitude angle drive section 1.
2b. Solar reflector 10
is connected to the azimuth angle drive unit 12a via a support stand 26, and together constitutes a drive reflector 28. FIGS. 2, 3, and 4 are a front view, a plan view, and a partially cutaway side view of the driving reflector 28 constructed in this manner. The sunlight reflecting device 10 is constructed by attaching a reflecting mirror 32 made of chemically strengthened glass to the inside of an aluminum frame 30 consisting of an outer frame and a center crosspiece, and further covering the back side with a reflecting cover 34 made of an aluminum plate. There is. Note that the reflective mirror 32 serves as a reflective surface. As shown in FIG. 4, the azimuth angle drive section 12a is
A pulse motor 38 is installed within the main body cover 36, and a rotating shaft 40 rotated by the pulse motor 38 protrudes from the upper surface of the main body cover 36. Further, the main body cover 36 is fixedly mounted on a pedestal 42, and 48 is an azimuth angle locking section consisting of an induction motor. The azimuth angle lock part 48 is provided with a pawl (not shown) that moves up and down as the index motor rotates in forward and reverse directions.
locks the rotation. Furthermore, 49 is a terminal box connected to the control device 16. The support stand 26 supports the rotation axis 4 of the azimuth angle drive unit 12a.
0 and rotates about a vertical axis. A pair of arms 44 and 46 are provided on the support base 26, and the sunlight reflecting device 10 is held by the pair of arms 44 and 46 so as to be rotatable around a horizontal rotation axis 56. The rotation of the sunlight reflecting device 10 is performed by an altitude angle drive section 12b attached to the outer surface of the arm 44. Altitude angle drive unit 1
2b, as shown in FIG. 2, a pulse motor 50 for rotating a rotating shaft 56 is installed inside the main body cover 54, and an altitude angle locking section 52 consisting of an induction motor is also provided, and an azimuth angle locking section 52 is provided. Similarly to the section 48, the rotation of the rotating shaft 56 is locked. Next, the operation of this embodiment will be explained based on the block diagram of FIG. In the figure, a calculation section 7 is included in the control device 16.
4, data storage section 75, tracking control section 76, operation/
A display control section 77 and a wireless reception section 78 are provided. The calculation unit 74 calculates the change in the position of the sun using the solar orbit equation about once every few seconds, and determines the altitude angle h and azimuth angle α of the sun as shown in FIG. Furthermore, based on the determined sun position and daylighting position P, the normal axis Q of the reflecting surface 10a of the sunlight reflecting device 10 for reflecting sunlight L to the daylighting position P
The azimuth angle δ and the altitude angle r are calculated. The data storage unit 75 stores the latitude and experience of the installation location of the solar tracking daylighting device necessary for calculating the position of the sun, the declination angle of the building (the angle of inclination with respect to the south),
Store data such as south direction. The tracking control unit 76 uses the values of the azimuth angle δ and altitude angle r of the normal axis Q calculated by the calculation unit 74 and the current azimuth angle and altitude angle of the normal axis detected by the azimuth angle detection unit 79 and the altitude angle detection unit 80. Based on the value of
The amount of change in the azimuth angle and altitude angle of the normal axis of is calculated and outputted to the signal amplification unit 18 via an output unit (not shown). The operation/display control section 77 receives on/off operations on the operation section 72, data signals to be set in the lighting condition setting section 14, or receives date and time, solar altitude, direction, and wind speed indicating the operating status of the device. , outputs data signals such as lighting position to the display section 70. The wireless receiving section 78 receives a signal from the wireless operating section 8 via the antenna 96, and enables remote control of the device. Next, the lighting condition setting section 14 will be explained. First, a specific example of setting values set in the lighting condition setting section 14 is shown in FIG. In this example, we will irradiate the building from the 6th floor to the 1st floor for 20 minutes each, and then move the irradiation from point A to point B, from point B to point C, and from point C to point A on the ground at 60 minute intervals. It is something to do. The memory of the lighting condition setting section 14 stores the programs shown in the following table.

[Effect of idea]

According to the sunlight tracking and lighting device of this invention, the following effects can be obtained. By controlling the angle of the sunlight reflecting device by the calculation section of the control device based on the position of the sun and the daylighting position set in the daylighting condition setting section, daylighting can be achieved at the daylighting position. Therefore, by changing the daylighting position data and daylighting time data set in the daylighting condition setting section, daylighting can be performed at any desired position at any desired time. Furthermore, the sunlight reflecting device is movable and can sequentially illuminate a plurality of lighting positions set in the lighting condition setting section, and one sunlight reflecting device can illuminate a plurality of lighting positions.

[Brief explanation of drawings]

Figure 1 is a schematic diagram of an embodiment of this invention, Figure 2 is a front view of the drive reflector, Figure 3 is a plan view of the drive reflector, and Figure 4 is a partially cutaway side view of the drive reflector. Figure, Figure 5. Block diagram, Figure 6.
The figure is a schematic diagram showing its operation, Figure 7 is an explanatory diagram showing its lighting position, Figure 8 is an explanatory diagram showing the deviation of the lighting position due to the arm, and Figure 9 shows the function of its correction calculation section 82. Explanatory diagram, Fig. 10 and Fig. 1
FIG. 1 is a perspective view of a conventional example. 10... Solar reflector, 12... Drive device,
14... Lighting condition setting section, 16... Control device, 1
8... Signal amplification unit, L... Sunlight, P... Lighting position, S... Sunlight.

Claims (1)

[Scope of claim for utility model registration] A sunlight reflecting device that is rotatable around horizontal and vertical axes and has a reflective surface on the front that reflects sunlight, and changing the azimuth and altitude angle of this sunlight reflecting device. a daylighting condition setting unit that sets a plurality of daylighting position data and daylighting time data at each daylighting position; and a daylighting condition setting unit that directs sunlight to the daylighting position based on the position of the sun and the daylighting position set in the daylighting condition setting unit. a control device comprising a calculation unit that calculates the azimuth and altitude angle of the normal axis of the reflective surface that can reflect during the daylighting time, and an output unit that outputs the calculation results; and a control device that receives an output signal from the control device. and a signal amplification section that drives the drive device to change the angle of the sunlight reflecting device so that the sunlight can be illuminated at the daylighting position.