JP2014035999A - Daylighting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a daylighting device for enabling independent lifting of an inner light shelf and a sunlight shielding device that are suspended and supported so as to be lifted along mutually overlapping lifting orbits and allowing easy installation of the inner light shelf and the sunlight shielding device.SOLUTION: A daylighting device has an inner light shelf that is arranged in an upper area of an indoor window surface and allows external light to enter a room by reflecting external light using at least one plate, and a sunlight shielding device capable of adjusting a daylighting amount by lifting sunlight shielding members suspended and supported below the inner light shelf. A winder 5 from which sunlight shielding members 8 are suspended and supported is installed in a head box 1 from which plates 3a to 3f are suspended and supported, the sunlight shielding members 8 are suspended and supported from cords 6, 7 hanging down from the winder 5 below the plates 3a to 3f, and the plates 3a to 3f have through holes to allow insertion of the cords 6, 7.

Description

  The present invention relates to a solar shading device such as a horizontal blind and a daylighting device that supports an inner light shelf so as to be lifted and lowered.

  The light shelf reflects outside light toward the ceiling surface with a reflector provided at the upper part of the window, and is taken in as indirect light. There has been proposed a daylighting device in which a solar shading device such as a horizontal blind is suspended and supported under such a light shelf, and the amount of light collected is adjusted by the solar shading device while indirect light is taken in by the light shelf. .

  In Patent Document 1, a light shelf is rotatably supported on a window rail above the window, a horizontal blind is suspended from the window rail, and indirect light is taken into the room by a reflector at the top of the window. A solar radiation control device is disclosed in which a horizontal blind slat can be moved up and down, or the angle of the slat can be adjusted from the middle to adjust the amount of light collected in the room.

  In this light shelf, a reflector is suspended and supported inside the window surface, and the reflector is supported in a substantially horizontal direction so that external light is reflected toward the ceiling surface and used as indirect lighting. It is. In addition, the reflecting plate is disposed at an upper position inside the window surface so as to be rotatable.

Patent Literature 2 discloses a light shelf installed on a pillar provided outside the outer wall.
Patent Document 3 discloses a structure in which a light shelf is provided on a window as a sunlight collecting assistance device.

JP 2006-222011 A Japanese Patent No. 3108753 Japanese Patent Application Laid-Open No. 10-12919

In order to install the horizontal blind below the light shelf, it is necessary to separately provide a ground for installing the light shelf and a ground for installing the horizontal blind.
In addition, in order to efficiently perform the indirect light sampling by the light shelf and the direct light shielding and lighting by the horizontal blind, it is necessary to install them on the ground while adjusting the relative positions of the light shelf and the horizontal blind. . Therefore, there is a problem that the installation work of the light shelf and the horizontal blind becomes complicated.

  In Patent Document 1, a light shelf and a horizontal blind are installed on a common window rail. Therefore, when the installation position of the light shelf and the horizontal blind is adjusted in the front-rear direction of the window, the adjustment range is in the front-rear direction of the window rail. Depends on dimensions. Therefore, the freedom degree of the installation position of a light shelf and a horizontal blind becomes low. Further, when the light shelf is supported on the indoor side edge of the window bar, there is a problem that a large installation space is required in the front-rear direction of the window in order to install the light shelf and the horizontal blind.

  The object of the present invention is to easily install the inner light shelf and the solar shading device while allowing the inner light shelf and the solar shading device to be suspended and supported so as to be able to move up and down along the lifting trajectory overlapping each other. It is to provide a lighting device to obtain.

  In claim 1, the inner light shelf that reflects outside light by the at least one plate member installed on the indoor upper part of the window surface and takes it indoors, and the solar radiation shielding material that is suspended and supported below the inner light shelf In a daylighting device comprising a solar shading device that can be lifted and lowered to adjust the amount of light collected, a winding device that suspends and supports the solar shading material is installed in a head box that suspends and supports the plate material, and the plate material The solar radiation shielding material is suspended and supported by a cord suspended from the winding device, and an insertion hole through which the cord can be inserted is provided.

According to a second aspect of the present invention, the head box includes a drive unit that moves the plate up and down.
According to a third aspect of the present invention, the electric horizontal blind is suspended from the winding device as the solar radiation shielding device, and the ladder cord and the lifting / lowering cord of the electric horizontal blind are inserted into the insertion hole.

According to a fourth aspect of the present invention, a motor that rotates the slat via the ladder cord and moves the slat up and down via the lifting cord is provided in the winding device.
According to a fifth aspect of the present invention, the head box includes a control unit that controls the operation of the motor and the driving unit based on the operation of the operating means.

  According to the present invention, the inner light shelf and the solar shading device can be easily installed while the inner light shelf and the solar shading device that are suspended and supported so as to be able to move up and down along the overlapping trajectory overlapping each other can be lifted and lowered independently. be able to.

It is a front view which shows a lighting device. It is a side view which shows a lighting device. It is a top view which shows a reflecting plate. It is a side view which shows the installation state of a lighting apparatus. It is a block diagram which shows the electrical structure of a lighting apparatus. It is a side view which shows raising / lowering operation | movement. It is a side view which shows raising / lowering operation | movement. It is a side view which shows raising / lowering operation | movement.

  Hereinafter, an embodiment embodying the present invention will be described with reference to the drawings. 1 and 2, six reflectors 3a to 3f are suspended as electric inner light shelves from a first head box 1 installed inside a window via suspension cords 2a to 2c. It is supported.

  Each of the reflecting plates 3a to 3f is made of an acrylic plate material having aluminum deposited on the upper surface, and six hanging cords 2a on each of the front and rear side edges at three locations in the longitudinal direction of the reflecting plates 3a to 3f. ˜2c are suspended from the first head box 1, and the respective reflectors 3a to 3f are suspended and supported by the first head box 1 via any of the suspension cords 2a to 2c.

  Among the reflection plates 3a to 3f, the uppermost reflection plate 3a and the fourth reflection plate 3d from above are suspended and supported by six suspension cords 2a at a predetermined interval. Similarly, the second-stage reflector 3b from the top and the fifth-stage reflector 3e are suspended and supported by the suspension cord 2b at a predetermined interval, and the third-stage reflector 3c from the top. The sixth-stage reflector 3f from above is suspended and supported by a suspension cord 2c at a predetermined interval.

When the reflecting plates 3a to 3f are lowered to the lower limit, the reflecting plates 3a to 3f are suspended and supported at equal intervals, as shown in FIGS.
The suspension cords 2a to 2c are suspended and supported so as to be able to be lifted and lowered independently from the driving unit 4 disposed in the first head box 1, and each of the reflection plates 3a to 3f is 2 in the above combination. It can be moved up and down independently. The drive unit 4 is provided with a plurality of motors for independently driving the hanging cords 2a to 2c up and down.

  And in the state which each reflector 3a-3f was lowered | hung to the minimum, as shown in FIG. 6, each reflector 3a-3f is suspended and supported at equal intervals, and each reflector 3a-3f is set to an upper limit. When pulled up, the reflectors 3 a to 3 f are folded in a state of being stacked below the first head box 1 as shown in FIG. 8.

  The lowermost reflector 3f is also supported by a suspension cord (not shown) other than the suspension cords 2a to 2c, and the reflection plate 3f is pulled up via the suspension cord to thereby reflect each reflection. The plates 3 a to 3 f are folded in a state of being stacked below the first head box 1.

  The first head box 1 accommodates a second head box 5 that suspends and supports an electric horizontal blind (electric solar radiation shielding device). The second head box 5 is accommodated offset from the center in the front-rear direction (left-right direction in FIG. 2) of the first head box 1 to the outdoor side.

  As shown in FIG. 3, elongated holes 12 extending in the front-rear direction of the reflecting plates 3a to 3f (showing the reflecting plate 3a in FIG. 3) are formed in the reflecting plates 3a to 3f. Each long hole 12 is provided in three places at equal intervals in the longitudinal direction of the reflecting plates 3a to 3f. Then, two ladder cords 6 suspended from the second head box 5 and two elevators suspended in the vicinity of the two ladder cords 6 suspended from both longitudinal sides of the second head box 5 The cord 7 is suspended through the long hole 12.

  A plurality of slats 8 are supported by the ladder cord 6 below the reflectors 3a to 3f, and the elevating cord 7 is inserted through the slats 8. A bottom rail 9 is attached to the lower ends of the ladder cord 6 and the lifting / lowering cord 7.

  The upper end of the ladder cord 6 is supported by a ladder cord suspension device 10 in the second head box 5, and the upper end of the lift cord 7 is suspended from the lift cord winding device 11 in the second head box 5. Supported below.

  Then, each slat 8 is rotated in the same phase through the ladder cord 6 by the operation of the ladder cord suspension device 10, and the lifting cord 7 is wound up by the operation of the lifting cord winding device 11, and the bottom rail 9 and the slat 8. Is lifted or the lifting / lowering cord 7 is rewound to lower the bottom rail 9 and the slat 8.

  In the second head box 5, a hexagonal bar-like slat drive shaft 13 is inserted into the ladder cord suspension device 10 and the lifting / lowering cord winding device 11 so as not to be relatively rotatable, and an end portion of the slat drive shaft 13 is connected to the second head box 5. It is fitted on the output shaft of the motor 14.

  When the slat drive shaft 13 is rotated by the operation of the motor 14, the ladder cord suspension device 10 is activated to rotate the slat 8 via the ladder cord 6, and the lifting / lowering cord winding device 11 is activated. Then, the bottom rail 9 and the slat 8 are pulled up or lowered. When each slat 8 is rotated to the fully closed state or the reverse fully closed state, the slat drive shaft 13 rotates idly with respect to the ladder cord suspension device 10 and further rotates the slat 8 in the same direction. Is blocked.

  A control board 15 for controlling the operation of the motor 14 is disposed in the second head box 5, and an encoder for detecting the rotation angle (rotation amount) of the slat drive shaft 13 on one side of the control board 15. Is provided as the sensor unit 16. The rotation amount of the motor 14 detected by the sensor unit 16 is output to the control unit 22 (see FIG. 5).

  A power supply unit 17 is disposed at one end of the second head box 5. The power supply unit 17 converts the commercial power supplied from the outside into a DC power and supplies the DC power to the control board 15 and the motor 14.

  A plurality of connectors 18 are provided on one side surface of the second head box 5, and an operation switch 19 is connected to one of the connectors 18 via a connection cord. When a large number of electric horizontal blinds are connected in series, a signal transmission code (not shown) for transmitting / receiving communication signals to / from the control board 15 of another electric horizontal blind is connected to the connector 18. .

  As shown in FIG. 4, the first head box 1 is housed in a housing recess 27 provided above the window. And if the said reflecting plates 3a-3f and the slat 8 are pulled up to an upper limit, the reflecting plates 3a-3f and the slat 8 will be located in the accommodation recessed part 27, and will be shielded from the view from the indoor side.

  Next, the electrical configuration of the above daylighting apparatus will be described with reference to FIG. An operation signal based on the operation of the operation switch 19 is input to the control unit 22 via the reception unit 21. The receiving unit 21 and the control unit 22 are provided in the first head box 1. Further, an operation signal based on an operation of the remote controller (communication signal switch) 20 is input to the control unit 22 via the reception unit 23.

  The sensor unit 24 includes an encoder that detects a rotation amount of each motor disposed in the driving unit 4 in the first head box 1. A detection signal from the sensor unit 24 is output to the control unit 22.

  A detection signal from the sensor unit 16 disposed in the second head box 5 is also input to the control unit 22. The control unit 22 operates based on an operation signal input from the operation switch 19 or the remote controller 20, detection signals from the sensor units 16 and 24, and a preset program, and outputs a command signal. To do. The command signal output from the control unit 22 includes a drive circuit unit 25 disposed in the drive unit 4 in the first head box 1 and a drive circuit mounted on the control board 15 in the second head box 5. Is output to the unit 26.

The drive circuit unit 25 controls the operation of the drive unit 4 based on the command signal. Then, the reflectors 3a to 3f are moved up and down or the angle is adjusted.
Further, the drive circuit unit 26 controls the operation of the motor 14 based on the command signal. Then, the bottom rail 9 and the slat 8 of the electric horizontal blind are moved up and down or rotated.

Next, the operation of the above daylighting apparatus will be described.
As shown in FIG. 6, in a state where the reflecting plates 3 a to 3 f and the slat 8 are lowered to the lower limit, external light is reflected toward the ceiling surface by the reflecting plates 3 a to 3 f and can be used as indirect illumination. And the angle of reflector 3a-3f is adjusted according to the height of the sun, and external light can be taken in efficiently. Further, the amount of external light taken into the room can be adjusted by adjusting the angle of the slat 8.

  When an operation for lifting the reflectors 3a to 3f and the slats 8 is input to the control unit 22 by operating the operation switch 19 or the remote controller 20, the reflectors 3a to 3f are first lifted, as shown in FIG. The raising operation of the reflectors 3a to 3f is continued until the lower reflector 3f is raised to the upper limit position. Whether or not the lowermost reflector 3f is pulled up to the upper limit position is determined based on the detection signal of the sensor unit 24.

  After the reflector 3f is pulled up to the upper limit, the lifting operation of the bottom rail 9 and the slat 8 is started, and the lifting operation of the slat 8 is continued until the slat 8 is pulled up to the upper limit as shown in FIG. Whether or not the slat 8 is pulled up to the upper limit position is determined based on the detection signal of the sensor unit 16.

  And if the slat 8 is pulled up to an upper limit, the raising operation | movement of the slat 8 will be complete | finished. The upper limit position of the slat 8 is set immediately before the uppermost slat 8 comes into contact with the lowermost reflector 3f.

  Further, from the state shown in FIG. 8, when an instruction to lower the reflectors 3 a to 3 f and the slat 8 is input to the control unit 22, the lowering operation is first performed until the slat 8 reaches the lower limit as shown in FIG. 7. Is called.

  When the slat 8 reaches the lower limit, the lowering operation of the reflecting plates 3a to 3f is started, and when the reflecting plates 3a to 3f reach the lower limit position as shown in FIG. 6, the lowering operation of the reflecting plates 3a to 3f is stopped. .

With the daylighting apparatus configured as described above, the following effects can be obtained.
(1) The amount of light collected in the room can be appropriately adjusted by the raising / lowering operation and the angle adjusting operation of the reflectors 3a to 3f and the slat 8.
(2) The reflectors 3a to 3f and the slats 8 of the electric horizontal blind can be moved up and down and the angle can be adjusted independently.
(3) Since the second head box 5 that suspends and supports the slats 8 of the electric horizontal blind is installed in the first head box 1 that suspends and supports the reflectors 3a to 3f, the second head box 5 There is no need to prepare a base for mounting. And since the 1st headbox 1 which attached the 2nd headbox 5 can be installed collectively in installation positions, such as a window frame, the 1st headbox 1 and the 2nd head at the installation site It is not necessary to adjust the installation position of the box 5, and the installation work can be easily performed.
(4) Since the ladder cord 6 and the lifting / lowering cord 7 of the electric horizontal blind are inserted into the long holes 12 provided in the reflecting plates 3a to 3f, the slat 8 and the reflecting plates 3a to 3f are suspended and supported in the state where the lifting / lowering locus overlaps. Can be moved up and down independently. Therefore, the space required for installing the electric horizontal blind and the reflectors 3a to 3f can be reduced.
(5) Reflecting the external light toward the ceiling surface by the reflecting plates 3a to 3f and using it as indirect light, raising and lowering the slats 8 supported below the reflecting plates 3a to 3f, Alternatively, the amount of light collected into the room can be adjusted by adjusting the angle.

You may implement the said embodiment in the following aspects.
In the above embodiment, the pleated screen may be suspended and supported instead of the electric horizontal blind. In this case, it is necessary to suspend and support the upper end of the screen from the second head box 5 via a suspending cord different from the lifting cord.

  DESCRIPTION OF SYMBOLS 1 ... 1st head box, 3a-3f ... Plate material (reflective board), 4 ... Drive part, 5 ... Winding device (2nd head box), 6 ... Cord (ladder cord), 7 ... Cord (lifting cord) ), 8 ... solar shading material (slats), 12 ... insertion hole (long hole), 14 ... motor, 19 ... operation means (operation switch), 22 ... control unit.

Claims (5)

An inner light shelf that reflects outside light with at least one plate installed on the indoor side of the window surface and takes it indoors;
In a daylighting apparatus comprising a solar shading device capable of adjusting the amount of light collected by raising and lowering the solar shading material supported suspended below the inner light shelf,
A winding device for hanging and supporting the solar radiation shielding material is installed in a head box for hanging and supporting the plate material, and the solar radiation shielding material is suspended and supported by a cord suspended from the winding device below the plate material. The daylighting device is characterized in that the plate member is provided with an insertion hole through which the cord can be inserted.   The daylighting apparatus according to claim 1, wherein the head box includes a drive unit that moves the plate up and down.   The daylighting according to claim 1 or 2, wherein an electric horizontal blind is suspended and supported from the winding device as the solar shading device, and a ladder cord and a lifting / lowering cord of the electric horizontal blind are inserted into the insertion hole. apparatus.   4. The daylighting apparatus according to claim 3, wherein a motor for rotating the slat via the ladder cord and raising / lowering the slat via the elevation cord is provided in the winding device.   5. The daylighting apparatus according to claim 2, wherein the head box includes a control unit that controls operations of a motor and the drive unit based on an operation of an operation unit.