JP2010135081A - Illumination system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination system on which a plurality of illumination devices can be easily installed and which requires less maintenance burden. <P>SOLUTION: The master illumination device 19 of the illumination system 39 includes an external solar battery panel 11, and a first illumination lamp LT1 and a medium lamp 14 using the electric power of the external solar battery panel 11 for emitting light. On the other hand, the slave illumination device 29 of the illumination system 39 includes a primary light utilizing unit UT1 for receiving light from the medium lamp 14 of the master illumination device 19 and emitting the light to the external. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an illumination system that is driven by electric power by, for example, a solar battery panel.

  Conventionally, there is a solar cell panel that is a power generation device using sunlight (natural energy). There are also many lighting devices that emit light with electric power from this solar cell panel (Patent Document 1, etc.).

  However, when a lighting device as described in Patent Document 1 is used in a place where a plurality of lighting devices (a group of such lighting devices is referred to as a lighting system) is installed like a roadside tree. Various problems arise.

  For example, the solar cell panel (first power supply source) has a relatively large area to receive a larger amount of sunlight. For this reason, an illuminating device on which such a solar cell panel is mounted is relatively heavy, and the labor burden required for installation is large. Moreover, due to the large-area solar cell panel, the lighting device cannot be installed without a certain interval. That is, it takes time and effort to install a plurality of lighting devices on which large power generation devices such as solar battery panels are mounted.

Therefore, as an illuminating device in which a plurality of illuminating devices can be easily installed, there is an illuminating device that is driven by the power of a dry battery as described in Patent Document 2.
Japanese Utility Model Publication No. 62-169408 JP 2001-319504 A

  However, in the illumination device of Patent Document 2, the dry battery must be frequently replaced, and maintenance is troublesome. In particular, when a plurality of lighting devices are installed, a great deal of labor is required for maintenance of the lighting devices. In addition, running costs are extremely high.

  Although it is conceivable to use a rechargeable battery instead of a dry battery in the lighting device, it takes labor to perform charging work, and maintenance of these lighting devices (that is, the lighting system) still requires a lot of labor.

  The present invention has been made to solve the above problems. And the objective is to provide the illumination system which can install a several illuminating device easily and reduces a maintenance burden.

  The lighting system includes a parent lighting device and a child lighting device. The parent lighting device includes a first power supply source that generates power using natural energy, and a first illumination light source and a medium light source that emit light using the power of the first power supply source. On the other hand, the child illuminating device is equipped with a primary light utilization unit that receives light from the medium light source and irradiates light to the outside using the light.

  In such a lighting system, the first power supply source eliminates the need for a commercial power source to operate the lighting system. Moreover, the intermediary wiring between the parent lighting device and the child lighting device is not required by the intermediate light source and the primary light using unit. For this reason, the degree of freedom of the installation location of the illumination system is increased. Further, since the relatively heavy first power supply source only needs to be mounted only in the parent lighting device, no effort is required for the arrangement of the light child lighting device (as a result, the installation of the lighting system is simplified). In addition, since the commercial power supply and the inter-device wiring become unnecessary, it is possible to install the lighting system at a very low cost and easily.

  Examples of the primary light utilization unit include the following. That is, a light guide reflection unit that receives and reflects light from the medium light source, and an irradiation reflection unit that receives and reflects the reflected light from the light guide reflection unit to irradiate light to the outside. , And a primary light utilization unit.

  Such a primary light utilization unit is a relatively simple member called a reflection part. For this reason, the child lighting device can be easily manufactured and the cost can be reduced.

  In addition, it is desirable that the reflection part for irradiation reflects light radially. In this way, the child lighting device can illuminate the outside over a wide range.

  By the way, as another example of the primary light using unit, a photoelectric conversion type second power supply source that generates power by receiving light from a medium light source, and light emission using the power of the second power supply source. In addition, a primary light using unit including a second illumination light source for irradiating light to the outside is also included.

  And it is desirable for the child illuminating device including such a primary light utilization unit to include a second control unit for controlling light emission of the second illumination light source. With this configuration, various operations such as ON / OFF of the second illumination light source and change in light emission luminance are possible.

  In addition, it is desirable that such a child lighting device includes a second storage battery that stores power from the second power supply source. If it becomes like this, it will become possible to light-emit without the 2nd illumination light source being restricted by the time slot | zone with the electric power stored in the 2nd storage battery.

  By the way, it is desirable that at least one of the first illumination light source and the medium light source included in the parent illumination device is a device in which light-emitting elements with low power consumption are gathered in order to reduce running costs.

  In order to reliably supply the light from the medium light source to the primary light utilization unit, the medium light source is preferably located at a height of 30 cm or more from the ground. This is because the number of shielding objects that block the light from the medium light source is reduced.

  In addition, it is desirable that the parent illumination device includes a first control unit that individually controls light emission of the first illumination light source and the medium light source. With this configuration, various operations such as ON / OFF of the first illumination light source and the intermediate light source, and changes in light emission luminance are possible.

  Further, it is desirable that the parent lighting device includes a first storage battery that stores electric power from the first power supply source. If it has become like this, the 1st illumination light source will be able to emit light without being restrict | limited by a time slot | zone with the electric power stored in the 1st storage battery.

  In order to withstand the external environment, the casing of the parent lighting device is preferably made of stainless steel or aluminum alloy. Similarly, it is desirable that the housing of the child lighting device is also made of stainless steel or aluminum alloy.

  Moreover, although the photoelectric conversion apparatus is mentioned as an example of the kind of 1st electric power supply source, it is not limited to this.

  According to the lighting system of the present invention, it is possible to eliminate the commercial power source and eliminate inter-device wiring between the parent lighting device and the child lighting device. Therefore, it is possible to easily install the lighting system without considering the position of the commercial power supply and the wiring between devices. Moreover, since the 1st electric power supply source used as the drive source of an illumination system produces | generates electric power with a natural energy, a maintenance burden is very light. Therefore, this illumination system can easily install a plurality of illumination devices and can reduce the maintenance burden.

[Embodiment 1]
The following describes one embodiment with reference to the drawings. For convenience, hatching, member codes, and the like may be omitted, but in such a case, other drawings are referred to. The numerical examples described are only examples and are not limited to the numerical values.

  The perspective view of FIG. 1 shows the illumination system 39 (note that the alternate long and short dash line in the drawing shows light in a simplified manner). The lighting system 39 includes a parent lighting device 19 and a child lighting device 29. And both these illuminating devices 19 and 29 illuminate the exterior by irradiating light outside.

  As shown in the perspective view of FIG. 2 (enlarged view of FIG. 1) and the block diagram of FIG. 3, the parent lighting device 19 includes an external solar cell panel (first power supply source) 11 and a lighting unit 12. .

  The external solar cell panel 11 is a photoelectric conversion device that generates power (for example, power of about 20 W to 100 W) by receiving light such as sunlight. The external solar panel 11 is attached in the vicinity of the front end HG1t of the columnar first housing HG1 serving as the exterior of the illumination unit 12 so that it can rotate in various directions and change in various angles (note that The external solar cell panel 11 is positioned at a height of about 1.3 to 2.5 m by being attached near the tip HG1t of the first housing HG1).

  For example, the external solar cell panel 11 is attached to the first housing HG1 in the vicinity of the front end HG1t so as to be able to rotate 360 ° about the first housing HG1 as an axis center with an attachment (not shown). Furthermore, the attachment attaches the external solar cell panel 11 in the vicinity of the front end HG1t of the first housing HG1 so as to be inclined at an angle of, for example, 30 ° or 45 ° with respect to the horizontal plane (note that the external solar cell panel 11 The shape and type of the attachment for attaching and changing the first to the first housing HG1 are not particularly limited.

  The lighting unit 12 generates light using the electric power generated by the external solar cell panel 11 and illuminates the outside. The illumination unit 12 includes a first housing (housing) HG1, a first storage battery BT1, a first illumination lamp (first illumination light source) LT1, an intermediate lamp (intermediate light source) 14, a lens unit 15, and a vibration detection sensor 16. And a first controller (first control unit) CR1.

  The first housing HG1 is a housing that houses various members such as the first storage battery BT1, the first illumination lamp LT1, the intermediate lamp 14, the lens unit 15, the vibration detection sensor 16, and the first controller CR1, and the illumination unit. 12 (as a result, the main illumination device 19). In addition, although some members accommodated in 1st housing HG1 are electrically connected by the wire harness, the wire harness is not illustrated for convenience.

  Further, since the lighting unit 12 (and thus the parent lighting device 19) may be installed outdoors, it is desirable that the first housing HG1 be formed of a material that can withstand harsh outdoor environments. For example, it may be formed of a metal having high corrosion resistance such as stainless steel or aluminum alloy.

  The first housing HG1 has, for example, a columnar shape such as an octagonal column as shown in FIG. 2 (for example, a columnar shape with a height of about 1.0 to 2.0 m), and includes the first illuminating lamp LT1 and the medium. A window WD1 (WD1u / WD1m) that allows light from the lamp 14 to pass outside is included. The number of the windows WD1 may be plural or singular according to the number of the first illumination lamp LT1 and the medium lamp 14.

  In addition, a transparent cover CV that shields from the outside is attached to such a window WD1 (a transparent cover CV is also attached to a window WD2 described later). The material of the transparent cover CV is not particularly limited, and may be a transparent material such as glass or resin.

  The first storage battery BT1 stores power generated by the external solar battery panel 11. And this 1st storage battery BT1 can supply the stored electric power to the 1st illumination light LT1 and the intermediate | middle lamp 14 at any time regardless of day and night under control of 1st controller CR1.

  The first storage battery BT1 is relatively heavy. Therefore, it is desirable that the first storage battery BT1 is disposed near the root HG1b of the first housing HG1. In this way, the center of gravity of the lighting unit 12 is in the vicinity of the root HG1b of the first housing HG1, and the lighting unit 12 can be easily attached to the ground plane stably (for example, without falling down due to strong winds). Because.

  Moreover, as an example of a method of fixing the lighting unit 12 to the ground plane, fixing using a driving-type anchor bolt can be given. And if it is such a fixing method, the illumination unit 12 can be fixed to a ground plane, without embedding a concrete base in the ground.

  The 1st illumination light LT1 is a light source which illuminates the circumference | surroundings of the illumination unit 12 (as a result, the main illuminating device 19). More specifically, the first illumination lamp LT1 emits light by electric power supplied from the first storage battery BT1 or electric power directly supplied from the external solar cell panel 11. Further, the first illuminating lamp LT1 is arranged so that light can be emitted from the window WD1u provided on the side wall on the front end HG1t side (about 1.0 to 2.0 m from the ground) of the first housing HG1 ( In addition, how to attach the 1st illumination lamp LT1 in the 1st housing HG1 is not specifically limited.

  2 and 3, eight first illumination lamps LT1 are mounted on the illumination unit 12. Therefore, eight windows WD1u for the first illumination lamp LT1 are required in the first housing HG1. Therefore, a window WD1u is formed on each of the eight side walls on the outer periphery of the first housing HG1 of the octagonal prism, and the first illumination lamp LT1 is arranged for each window WD1u. However, the number of first illumination lamps LT1 is not limited to this, and may be a single number or a number other than eight (of course, the number of windows WD1u is also the first illumination lamp LT1). It may be singular or any number other than 8).

  Further, the type of the first illumination lamp LT1 is not particularly limited. For example, the first illumination lamp LT1 may be an aggregate in which light emitting elements such as LEDs (Light Emitting Diodes) are gathered, or may be an incandescent lamp or a halogen lamp.

  The medium lamp 14 is a light source that supplies light toward the child lighting device 29 (the reason why the child lighting device 29 requires the light of the medium lamp 14 will be described later). More specifically, the intermediary lamp 14 is a light source that emits light by electric power supplied from the first storage battery BT1 or electric power supplied directly from the external solar cell panel 11, like the first illumination lamp LT1. Further, the medium lamp 14 is arranged so that light can be emitted from the window WD1m provided on the side wall in the vicinity of the tip HG1t and the root HG1b (0.3 m or more from the ground) in the first housing HG1 (note that The method of attaching the intermediate lamp 14 in the first housing HG1 is not particularly limited as in the first illumination lamp LT1.

  As shown in FIG. 2, one medium lamp 14 is mounted on the lighting unit 12. Therefore, one window WD1m for the medium lamp 14 is required for the first housing HG1. Therefore, a window WD1m is formed on one side wall on the outer periphery of the octagonal first housing HG1, and the intermediary lamp 14 is arranged in accordance with the window WD1m. However, the number of the intermediate lights 14 is not limited to this, and may be plural (of course, the number of the windows WD1m may be plural according to the intermediate lights 14).

  Further, the type of the medium lamp 14 is not particularly limited as in the first illumination lamp LT1. For example, the intermediary lamp 14 may be an assembly of light emitting elements such as LEDs (LED unit), or an incandescent lamp or a halogen lamp. However, since the medium lamp 14 supplies light toward the child illuminating device 29, it is desirable that it is a light source (for example, an LED unit) having as high directivity as possible.

  The lens unit 15 condenses the light by transmitting the light from the medium lamp 14 (shortens the light projection diameter). This is desirable because the light transmitted through the lens unit 15 reaches the child illumination device 29 without loss (the reason for this will be described later).

  The vibration detection sensor 16 is a sensor that detects a displacement of the lighting unit 12 (and thus the parent lighting device 19) from a predetermined position. For example, when the parent lighting device 19 falls down due to an earthquake or the like, the fact is detected.

  The first controller CR1 includes various types such as an external solar panel 11, an attachment (not shown) for the external solar panel 11, a first storage battery BT1, a first illumination light LT1, an intermediate light 14, and a vibration detection sensor 16. The operation control of the members is comprehensively controlled (the first controller CR1 may control various members via the switch SW).

  For example, the first controller CR1 performs various light emission controls such as ON / OFF, illumination time, and brightness for the first illumination lamp LT1 and the intermediate lamp 14. In particular, the first controller CR1 individually performs light emission control regarding the first illumination lamp LT1 and the intermediate lamp 14. For example, when the lighting by the parent lighting device 19 is unnecessary, the first controller CR1 can turn on only the medium lamp 14. Therefore, the first controller CR1 can reduce power consumption in the lighting system 39.

  The first controller CR1 also controls the charging / discharging of the first storage battery BT1 and changes the operation of the attachment in order to change the orientation of the external solar cell panel 11. Furthermore, when the first controller CR1 senses that the vibration sensing sensor 16 detects that the parent lighting device 19 has fallen, for example, the first controller CR1 may urgently stop the first lighting lamp LT1 and the intermediate lamp 14.

  Next, the child lighting device 29 will be described with reference to FIG. The child lighting device 29 illuminates the outside using the light from the medium lamp 14 in the parent lighting device 19. The child illumination device 29 includes a second housing HG2, a light guide reflection mirror (light guide reflection portion) 21, and an irradiation reflection mirror (illumination reflection portion) 22 (note that this light guide reflection mirror). 21 and the reflection mirror 22 for irradiation are also referred to as a primary light utilization unit UT1).

  The second housing HG <b> 2 is a container that houses the light guide reflection mirror 21 and the irradiation reflection mirror 22, and serves as an exterior of the child illumination device 29. Therefore, the second housing HG2 is also preferably formed of a metal having high corrosion resistance such as stainless steel, like the first housing HG1 of the parent lighting device 19.

  The second housing HG2 has a columnar shape like an octagonal column (for example, a columnar shape having a height of about 1.0 to 2.0 m) and is incident on the light guide reflection mirror 21 like the first housing HG1. A window WD2m for taking in the light to be emitted from the outside, and a window WD2u for emitting the reflected light from the irradiation reflecting mirror 22 to the outside. The number of the windows WD2 (WD2u / WD2m) may be plural or singular.

  The light guide reflection mirror 21 receives the light from the medium lamp 14 in the parent illumination device 19 and reflects the light to the irradiation reflection mirror 22. Therefore, the light-reflecting reflecting mirror 21 is located at substantially the same height as the medium lamp 14 when the light from the medium lamp 14 travels substantially parallel to the ground plane.

  Accordingly, the window WD2m for taking in the light incident on the light guide reflection mirror 21 from the outside is provided on the side wall of 0.3 m or more from the ground in the vicinity between the tip HG2t and the root HG2b in the second housing HG2. Note that the method of attaching the light guide reflection mirror 21 in the second housing HG2 is not particularly limited.

  Further, in the illumination system 39 shown in FIG. 1, the number of the windows WD1m and WD2m is one corresponding to the light emitted from one of the medium lamps 14 in the parent illumination device 19, but the present invention is not limited to this. . For example, as shown in FIG. 5, in the illumination system 39 including a plurality of parent illumination devices 19, when the light guide reflection mirror 21 of the child illumination device 29 receives light from the plurality of medium lamps 14, the window WD <b> 2 m is the second. A plurality of housings HG2 are formed.

  The reflection mirror 22 for irradiation receives the reflected light from the reflection mirror 21 for light guide, reflects it, and passes it through the window WD2u and guides it outside the second housing HG2. Specifically, the irradiation reflecting mirror 22 is arranged so that light can be emitted from the window WD2u provided on the side wall of the second housing HG2 on the front end HG2t side (0.3 m or more from the ground) (note that the first housing (2) A method of attaching the irradiation reflecting mirror 22 in the housing HG2 is not particularly limited.

  Further, in particular, the irradiation reflecting mirror 22 has a conical shape and has a side surface as a reflecting surface (that is, all reflecting surfaces having a conical side surface at a position where the light from the light guiding reflecting mirror 21 can be received). Is located). And by this reflecting surface, the reflected light from the light reflecting mirror 21 is reflected radially about the reflecting mirror 22 for irradiation (in short, the reflecting mirror 22 for irradiation reflects light radially). .

  Thereby, light spreads radially centering on the child illumination device 29. In addition, the irradiation reflecting mirror 22 is a single unit, although the light travels radially. Therefore, the number of components mounted on the child illumination device 29 can be relatively small. (In short, in the case of the reflection mirror 22 for irradiation, a plurality of reflection mirrors are used to cause the light to travel radially. Need not be installed).

  4, for example, eight windows WD2u located radially are formed in the second housing HG2 in order to cause the light from the irradiation reflecting mirror 22 to travel in various directions (for example, octagons). A window WD2u is formed on each of the eight side walls on the outer periphery of the second housing HG2 of the pillar). However, the number of windows WD2u is not limited to this, and may be a single number or a number other than eight.

  In the lighting system 39 including the parent lighting device 19 and the child lighting device 29 as described above, the following can be said. That is, the main lighting device 19 in the lighting system 39 emits light using the external solar panel 11 that generates power using natural energy such as sunlight, and the power of the external solar panel 11. One illumination lamp LT1 and a medium lamp 14 are mounted.

  On the other hand, the sub-lighting device 29 in the lighting system 39 is equipped with a primary light using unit UT1 that receives light from the medium lamp 14 of the parent lighting device 19 and irradiates light to the outside using the light. The primary light using unit UT1 is, in detail, a light guide reflection mirror 21 and an irradiation reflection mirror 22.

  The light guide reflection mirror 21 receives light from the medium lamp 14 of the parent illumination device 19 and reflects the light toward the irradiation reflection mirror 22. On the other hand, the irradiation reflection mirror 22 receives light from the light guide reflection mirror 21 and reflects the light to irradiate the exterior of the child illumination device 29 with light.

  In such an illumination system 39, a commercial power supply is not necessary. For this reason, the degree of freedom of the installation location of the illumination system 39 is increased. For example, the illumination system 39 is installed without considering the position of the commercial power supply even outdoors. At the same time, in order to install the lighting system 39, a construction for newly installing a commercial power supply becomes unnecessary. In addition, inter-device wiring between the parent lighting device 19 and the child lighting device 29 is also unnecessary.

  Further, the child lighting device 29 in the lighting system 39 does not include the external solar cell panel 11 unlike the parent lighting device 19. Therefore, the child lighting device 29 can be installed in a place where it is difficult to receive sunlight (for example, around buildings, around roadside trees, and small snowy areas).

  In addition, the primary light utilization unit UT1 (the light guide reflection mirror 21 and the irradiation reflection mirror 22) mounted on the child illumination device 29 is a relatively simple (low cost) and lightweight member. Therefore, the child lighting device 29 is easy to manufacture, and the child lighting device 29 is easily moved. Therefore, it is possible to install the lighting system 39 at a very low cost and easily.

  Further, if the first illumination lamp LT1 and the intermediate lamp 14 mounted on the parent illumination apparatus 19 are low power consumption type illumination devices such as LED units, the first illumination lamp LT1 and the intermediate lamp 14 are exchanged. It is used for a long time without equalization. Therefore, maintenance work is not required (that is, the running cost of the lighting system 39 can be reduced).

  In addition, if the medium lamp 14 is an LED unit, the emitted light is light having higher directivity than, for example, incandescent light, so that the amount of light that does not reach the light guide reflection mirror 21 can be reduced as much as possible ( That is, the light flux from the medium lamp 14 does not have a larger area than the reflection surface of the light guide reflection mirror 21, and most of the light reaches the reflection surface). Therefore, the amount of light that is not used as the light of the child illumination device 29 among the light of the medium lamp 14 can be reduced. Furthermore, if the light from the medium lamp 14 is converged by passing through the lens unit 15, the amount of light that does not reach the light guide reflection mirror 21 can be further reduced.

  However, the lens unit 15 is not essential for the parent illumination device 19. For example, the lens unit 15 may be omitted if the distance between the medium lamp 14 and the light guide reflection mirror 21 (and hence the distance between the main illumination device 19 and the sub illumination device 29) is relatively short. This is because most of the light reaches the light guide reflection mirror 21 before the divergence of the light from the medium lamp 14 which is an LED unit is expanded.

  In this illumination system 39, only the parent illumination device 19 is mounted with the relatively large external solar panel 11. Therefore, the space | interval of the main illuminating device 19 and the child illuminating device 29 which does not mount the external type solar cell panel 11 can be narrowed easily (in short, if the external type | mold solar cell panel 11 is mounted in the sub illuminating device 29). It should be considered not to hit the external solar panel 11 of the parent lighting device 19, but in the lighting system 39, that consideration is unnecessary). Therefore, it can be said that the LED unit is suitable for the medium lamp 14 in the illumination system 39 in which the distance between the parent illumination device 19 and the child illumination device 29 can be made relatively short.

  Further, if the position of the medium lamp 14 is relatively high from the ground, the possibility that a shield is positioned between the light guide reflection mirror 21 and the medium lamp 14 is reduced. Therefore, in order for the child illuminating device 29 to stably emit light to the outside, it is desirable that the position of the intermediate lamp 14 and the position of the light guide reflection mirror 21 are relatively high from the ground (at least 0.3 m or more). Of ground clearance).

  In addition, the first housing HG1 and the second housing HG2 in the parent lighting device 19 and the child lighting device 29 are formed of a metal that can withstand an external environment (for example, high corrosion resistance). Therefore, the various members accommodated in both the housings HG1 and HG2 are not easily deteriorated or damaged by the external environment. Therefore, it can be said that this illumination system 39 is so-called maintenance-free (stable independent illumination system 39).

[Embodiment 2]
A second embodiment will be described. Note that members having the same functions as those used in the first embodiment are denoted by the same reference numerals, and description thereof is omitted (note that the same effects are achieved by the illumination system 39 of the first embodiment. The explanation of what to do is also omitted).

  In the first embodiment, the child illuminating device 29 is a primary light utilization unit UT1 composed of the light guide reflection mirror 21 and the illumination reflection mirror 22, and transmits the light traveling from the medium lamp 14 of the parent illumination device 19. It was used and light was irradiated to the outside. However, the child illuminating device 29 is a primary light utilization unit UT1 made of a member other than the light guide reflection mirror 21 and the illumination reflection mirror 22, and can be irradiated with light to the outside. Such another primary light utilization unit UT1 will be described with reference to the perspective view of FIG. 6 and the block diagram of FIG.

  As shown in FIGS. 6 and 7, the primary light utilization unit UT1 includes a built-in solar cell panel (second power supply source) 24, a second storage battery BT2, a second illumination lamp LT2, and a second controller CR2. (Note that the primary light utilization unit UT1 may include at least the built-in solar cell panel 24 and the second illumination lamp LT2).

  The built-in solar cell panel 24 is a photoelectric conversion device that generates electric power by receiving light (specifically, light from the medium lamp 14), similarly to the external solar cell panel 11. The built-in solar cell panel 24 is attached inside the second housing HG2 so as to be able to receive light entering from the window WD2m.

  The built-in solar cell panel 24 is smaller than the external solar cell panel 11 (preferably because the light of the medium lamp 14 collected by the lens unit 15 in the parent illumination device 19 is incident). The built-in solar cell panel 24 is preferably downsized by having a power generation capability superior to that of the external solar cell panel 11).

  The method of attaching the built-in solar cell panel 24 is not particularly limited, but it is like an attachment of the external solar cell panel 11 and is attached to be rotatable and tiltable inside the second housing HG2. (In this embodiment, the built-in solar cell panel 24 is attached to the inside of the second housing HG2 with an attachment (not shown)).

  The second storage battery BT2 stores power generated by the built-in solar cell panel 24. And this 2nd storage battery BT2 can supply the stored electric power to 2nd illumination light LT2 at any time regardless of the day and night under control of 2nd controller CR2.

  In addition, this 2nd storage battery BT2 is also comparatively heavy like 1st storage battery BT1. Therefore, it is desirable that the second storage battery BT2 is disposed in the vicinity of the root HG2b of the second housing HG2. This is because the center of gravity of the child lighting device 29 is in the vicinity of the base of the second housing HG2 and can be stably and easily attached to the ground plane.

  The 2nd illumination light LT2 is a light source which illuminates the circumference | surroundings of 2nd housing HG2 (as a result, child lighting apparatus 29). More specifically, the second illumination lamp LT2 emits light by power supplied from the second storage battery BT2 or power supplied directly from the built-in solar cell panel 24. The second illumination lamp LT2 is arranged so that light can be emitted from the window WD2u (however, the method of attaching the second illumination lamp LT2 in the second housing HG2 is not particularly limited). .

  As shown in FIG. 6, eight second illumination lamps LT2 are mounted on the child illumination device 29, and accordingly, eight windows WD2u are formed in the second housing HG2. However, the number of second illumination lamps LT2 and the number of windows WD2u are not limited to this, and may be a single number or a plurality other than eight.

  Further, the type of the second illumination lamp LT2 is not particularly limited as in the case of the first illumination lamp LT1. For example, it may be an LED unit, an incandescent lamp or a halogen lamp.

  The second controller CR2 performs overall control of operation control of various members such as the built-in solar cell panel 24, an attachment (not shown) for the built-in solar cell panel 24, the second storage battery BT2, and the second illumination lamp LT2.

  For example, the second controller CR2 performs various light emission controls such as ON / OFF, illumination time, and brightness with respect to the second illumination lamp LT2, controls charging / discharging of the second storage battery BT2, and further includes a built-in type. In order to change the direction of the solar cell panel 24, the operation of the attachment is changed (the second controller CR2 may control various members via the switch SW).

  In the illumination system 39 including the child illumination device 29 as described above, the commercial power supply is not necessary, and the inter-device wiring between the parent illumination device 19 and the child illumination device 29 is also the same as the illumination system 39 of the first embodiment. It becomes unnecessary. Therefore, the degree of freedom of the installation location of the illumination system 39 is increased, and the illumination system 39 can be installed at a very low cost.

  Further, the child lighting device 29 in the lighting system 39 of the second embodiment is mounted with the built-in solar cell panel 24 that is smaller than the external solar cell panel 11 and can be built in the housing HG2. Therefore, the weight of the child lighting device 29 should not be excessively heavy. Therefore, the labor required for the arrangement of the child lighting device 29 is not an excessive burden.

  The primary light utilization unit UT1 included in the child lighting device 29 illuminates the second illumination lamp LT2 under the control of the second controller CR2. Therefore, this child illumination device 29 can irradiate various lights to the outside by appropriately controlling the light emission of the second illumination lamp LT2. For example, the brightness and light emission timing of the second illumination lamp LT2 can be variously changed.

  Note that the child illumination device 29 may also be equipped with the vibration detection sensor 16 as in the case of the parent illumination device 19. In the case of such a child lighting device 29, when the second controller CR2 detects that the child lighting device 29 has fallen, for example, when the vibration detection sensor 16 senses that the child lighting device 29 has fallen, the second controller CR2 makes an emergency stop.

[Other embodiments]
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.

  For example, in the lighting system 39 in FIG. 1, one child lighting device 29 is mounted on one parent lighting device 19. In the lighting system 39 in FIG. 5, two parent lighting devices 19 are provided. One child lighting device 29 was mounted. However, there are various relationships between the number of parent lighting devices 19 and the number of child lighting devices 29 in the lighting system 39.

  For example, an illumination system 39 in which a plurality of child illumination devices 29 are mounted on one parent illumination device 19, an illumination system 39 in which a plurality of child illumination devices 29 are mounted on a plurality of parent illumination devices 19, and the like. Exists.

  Even in such an illumination system 39, the master illumination device 19 is equipped with the first illumination lamp LT1 that uses natural energy such as sunlight, and the slave illumination device 29 is connected to the medium lamp 14 of the master illumination device 19. If the light is radiated to the outside by using light, a commercial power source is not necessary as in the illumination systems 39 of the first and second embodiments, and a device between the parent illumination device 19 and the child illumination device 29 is used. No interwiring is required. Therefore, the same effect as the illumination system 39 of Example 1 * 2 is show | played.

  Moreover, although the electric power used for the 1st illumination light LT1 and the intermediate | middle lamp 14 originated in the electric power generation using sunlight above, it is not limited to this. For example, the first illumination lamp LT1 and the medium lamp 14 may emit light with electric power generated by power generation using other natural energy such as wind power and geothermal heat.

FIG. 3 is a perspective view of a lighting system. FIG. 3 is a perspective view of a parent lighting device included in the lighting system. These are block diagrams which show the various members contained in a main illuminating device. These are the perspective views of the child illuminating device contained in an illumination system. FIG. 3 is a perspective view of a lighting system. These are the perspective views of the child illuminating device contained in an illumination system. These are block diagrams which show the various members contained in a child illuminating device.

Explanation of symbols

11 External solar panel (first power supply source)
12 Illumination unit HG1 1st housing (housing of main illumination device)
BT1 first storage battery LT1 first illumination lamp (first illumination light source)
14 Mediating light 15 Lens unit 16 Vibration sensor CR1 1st controller (1st control part)
19 Parent Lighting Device UT1 Primary Light Utilization Unit 21 Light Reflection Mirror (Light Guide Reflection Unit)
22 Irradiation reflection mirror (irradiation reflector)
HG2 second housing (housing of the child lighting device)
24 Built-in solar cell panel (second power supply source)
BT2 Second storage battery LT2 Second illumination lamp (second illumination light source)
CR2 second controller (second controller)
29 child lighting device 39 lighting system

Claims (13)

A master lighting device including a first power supply source that generates power using natural energy, and a first illumination light source and a medium light source that emit light using the power of the first power supply source;
A child illuminating device including a primary light utilization unit that receives light from the intermediate light source and irradiates light to the outside using the light;
Including lighting system. In the primary light utilization unit,
A light guide reflector that receives and reflects light from the medium light source;
A reflection part for irradiating light to the outside by receiving and reflecting the reflected light from the reflection part for light guide; and
The illumination system according to claim 1, wherein:   The illumination system according to claim 2, wherein the irradiation reflecting section reflects light radially. In the primary light utilization unit,
A photoelectric conversion type second power supply source that generates electric power by receiving light from the intermediate light source;
A second illumination light source that emits light to the outside by emitting light using the power of the second power supply source;
The illumination system according to claim 1, wherein:   The illumination system according to claim 4, wherein the child illumination device includes a second control unit that controls light emission of the second illumination light source.   The lighting system according to claim 4 or 5, wherein the secondary lighting device includes a second storage battery that stores power from the second power supply source.   The lighting system according to claim 1, wherein at least one of the first illumination light source and the intermediate light source is a device in which light emitting elements are gathered.   The illumination system according to claim 1, wherein the intermediate light source is located at a height of 30 cm or more from the ground.   The illumination system according to any one of claims 1 to 8, wherein the parent illumination device includes a first control unit that individually controls light emission of the first illumination light source and the intermediate light source.   The lighting system according to claim 1, wherein the parent lighting device includes a first storage battery that stores electric power from the first power supply source.   The lighting system according to any one of claims 1 to 10, wherein a housing of the parent lighting device is made of stainless steel or aluminum alloy.   The lighting system according to any one of claims 1 to 11, wherein a housing of the child lighting device is made of stainless steel or aluminum alloy.   The lighting system according to claim 1, wherein the first power supply source is a photoelectric conversion device.

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