JP2004095483A - Outdoor lighting apparatus - Google Patents

Outdoor lighting apparatus Download PDF

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Publication number
JP2004095483A
JP2004095483A JP2002258158A JP2002258158A JP2004095483A JP 2004095483 A JP2004095483 A JP 2004095483A JP 2002258158 A JP2002258158 A JP 2002258158A JP 2002258158 A JP2002258158 A JP 2002258158A JP 2004095483 A JP2004095483 A JP 2004095483A
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Japan
Prior art keywords
lighting
solar cell
light
layer capacitor
external light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
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JP2002258158A
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Japanese (ja)
Inventor
Akira Sato
佐藤 明
Takayasu Tanaka
田中 孝保
Original Assignee
Miyata Kankyo Sekizai:Kk
株式会社宮田環境石材
Tsuji Plastics Kk
辻プラスチック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Miyata Kankyo Sekizai:Kk, 株式会社宮田環境石材, Tsuji Plastics Kk, 辻プラスチック株式会社 filed Critical Miyata Kankyo Sekizai:Kk
Priority to JP2002258158A priority Critical patent/JP2004095483A/en
Publication of JP2004095483A publication Critical patent/JP2004095483A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/72Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting

Abstract

<P>PROBLEM TO BE SOLVED: To provide an outdoor lighting apparatus used suitably as a barrier provided to control an entry of a vehicle on a road or a park, a stone lantern, or a curbstone, and having a compact and simple structure equipped with a lighting device that can be continuously used for long time and generates no secondary pollution. <P>SOLUTION: A recess is provided on a body made of stone and the like. The recess contains therein the lighting device wherein a solar cell, an electrical double-layer capacitor charging electrical power to the solar cell, and an LED caused to emit light by the output of the electrical double-layer capacitor are integrally implemented. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、道路や公園等で車の進入を規制するために設置される車止めや、石灯籠等として使用するに適した外灯装置に関するものである。
【0002】
【従来の技術】
道路や公園等では、所定場所への車の進入を規制する車止めが設置されることが多い。この種の車止めは、石材ブロックで作られるのが一般的であり、夜間でも目立つように照明装置が付設されているものも多くなっている。従来、この種の車止めに設けられた照明装置としては、太陽電池と蓄電池と発光素子(LED)とを備えたものが試みられている。
【0003】
【発明が解決しようとする課題】
太陽電池を電源とする照明装置は、外部の電柱から電線を引いてくる必要がないので便利であるが、従来の照明装置の蓄電池は、充放電サイクルが200〜500回程度で寿命となるため、2〜3年ごとに交換しなければならないという問題点があるほか、充電液の補充や比重調整等のメンテナンスが必要であり、しかも鉛やカドミウム等の重金属を含むので、公害問題を生じないよう、寿命となったものを回収する手間がかかるという問題点があった。
【0004】
また、曇天や雨天等を考慮して十分な容量のものを使用しなければならないので、装置的に大掛かりで高価格となるという問題点もあった。そこで本発明は、従来の照明装置のようなメンテナンスを必要とせず、長時間連続使用可能で、二次公害を引き起こすおそれもない、コンパクトで簡単な構造の外灯装置を提供することを課題としている。
【0005】
【課題を解決するための手段】
上記課題を解決するために、本発明は次のような構成とした。すなわち、本発明にかかる外灯装置は、石材等で作られた灯籠状乃至ブロック状の本体に、太陽電池と該太陽電池の電力を充電する電気二重層コンデンサと該電気二重層コンデンサの出力により発光するLEDとを備えた照明装置を設置したことを特徴としている。
【0006】
上記照明装置としては、太陽電池と電気二重層コンデンサとLEDとが一体として組み付けられた物を用いるのが好ましい。また、装置的に堅牢なものとするためには、本体に凹部を設けて、その凹部に照明装置を嵌め込んで固定しておくのが好ましい。この場合、太陽電池とLEDとが外部に臨むように設置しておけばよい。
【0007】
【発明の実施の形態】
以下、本発明の実施の形態について具体的に説明する。図1以下の各図は、本発明にかかる外灯装置の具体例を表すもので、この外灯装置1は、花崗岩等の石材で作られた本体2に照明装置3を取り付けてなる。図1に示す実施形態では、円柱形の本体2の側面部に角型の凹部2aが設けられ、該凹部2aに角型の照明装置3が嵌め込まれている。
【0008】
照明装置3は、箱体4の表面の中央部にLEDからなる長方形の発光体5を設け、該発光体5の周囲に太陽電池7を枠状に配置している。図2はこの照明装置3の外観図、及び図3はその構成を表すブロック図であり、太陽電池7とLED(発光体)5との間に電気二重層コンデンサ10が設けられている。太陽電池7は、複数個の太陽電池モジュールを並設したもので、曇天や雨天等を想定して、必要な電力を電気二重層コンデンサ10に充電できるようなものが設けられている。
【0009】
図3中の12は逆流防止用ダイオード、13は過電圧保護回路である。過電圧保護回路は、太陽電池7の過充電電圧に達すると太陽電池7の出力を遮断するものである。また、25は負荷制御回路であり、LED5への供給電力を制御するものである。例えば、日没となってまわりが暗くなると、太陽電池7の出力が低下したことを検知してLED5への通電を開始し、太陽電池7の出力が所定値以上に復帰すると、当該LED5への通電を遮断する。このため、まわりが明るい間は発光せず、暗くなってから発光する便利なものとなっている。
【0010】
この照明装置3は、本体2の側面部に形成した長方形の凹部2aに嵌め込んで、ビス、接着剤等の適当な固着手段で固着されている。従来太陽電池を用いる照明装置の場合は、太陽光がよく当たるように太陽電池を上に向けて設置していたが、この照明装置3の場合は、図1に示すように横向きでも十分に充電することができるので、本体2の上面2b部に頭飾り石等、種々の装飾を施すことが可能である。また、本体の上面2bを平らにして、その上に物を載置できるテーブルとすることも可能である。
【0011】
図1の外灯装置は本体2が円柱状であるが、これを図4に示すように角柱状とすることもできる。また、図1、図4の実施形態では、本体2の側面部に照明装置3を設けているが、図5に示す外灯装置30のように、本体32の上面32aに凹部を設けて照明装置を嵌め込み、その周囲に複数の支柱33,…を立設して、その上にキャップ35を設けておくこともできる。この場合は、太陽電池7に十分な光が届くように、照明装置3とキャップ35の間隔をある程度大きくしておくのが好ましい。この実施形態でも、キャップ35の上面は平らにしておくこともできるし、彫刻等の装飾を施しておくこともできる。
【0012】
図6はさらに異なる実施形態を表すもので、この実施形態の外灯装置40は、角柱状(円柱状でもよい)の本体42の内部に中空部43を設け、該中空部の底面に設けた凹部43aに照明装置3を嵌め込んでいる。中空部43の側面は窓状に開口部46となっており、そこから自然光が太陽電池7に照射するようになっている。発光体5の光も当該開口部46から外部に照射される。
【0013】
図7は、道路の縁石等として使用される外灯装置50を表すもので、この外灯装置50は、本体51に前後方向の通孔52を設け、該通孔内に照明装置53を嵌め込んで固定している。図中のGLが地面のレベルを表す。この照明装置53は、箱体54の前面と後面に猫目状の一対の円形発光体55,55をそれぞれ設けたもので、箱体54の上面56が太陽電池部となっている。この外灯装置50は、猫目状の発光体(LED)55が光るので目立ちやすく、道路の縁石やロータリーの縁石、中央分離体の縁石等として設置するに適している。
【0014】
図8は、グランドフラッシャーとして使用するに適した外灯装置60を表すもので、この外灯装置60は、円柱状の本体61の上部に周方向の環状の溝62が設けられ、その上側の部分に円形の照明装置63が嵌め込まれている。この照明装置63は、円筒状のケーシングの前面に太陽電池とLEDとを外に向けて配置したもので、中心部に発光部LEDが設けられ、その左右両側に太陽電池が設けられている。
【0015】
以上に、種々の用途に使用する外灯装置の例をあげたが、本発明の外灯装置はいずれも太陽電池7を電源としており、外部から電線を引いて電力を供給する必要がないので、コンパクトであり、任意の場所に設置することができる。また、電気二重層コンデンサを用いて充電するので、寿命が長く、メンテナンスも省略することができる。さらに、太陽電池と発光体とが一体となっているので、装置の内部構造も簡単かつコンパクトである。
【0016】
従来の太陽電池式照明装置では、現場で太陽電池と発光装置とを組み合わせて電気的に接続するため、設置後に現場でその発光状態をチェックする必要があったが、上記実施形態のものは、太陽電池と発光体とが一体となっているので、事前にその性能を確認することができるのみならず、設計段階でも動作確認が可能であるという利点がある。また、従来の太陽電池式照明装置をこの種の外灯装置に組み込んだ場合は、太陽電池と発光体とを結ぶ線に不具合がある場合、その修理が困難であるが、この照明装置を一体型とすることにより、不具合がある場合は簡単に交換することができるようになる。
【0017】
さらに、本発明で使用する照明装置は、本体2の上面に上に向けて設置する必要がなく、図示例のように、本体の側面部や、中空部等に設置することができるので、汚れにくく、汚れによる充電性能や照明性能の劣化も生じにくい。しかも、設置場所や設置の方向を気にしなくてもよいので、実用上きわめて便利である。
【0018】
【発明の効果】
以上に説明したように、本発明にかかる外灯装置は、太陽電池を電源とする照明装置が設けられていて、暗くなると自動的に点灯するので、夜間でもその存在が明確に認識される。このため、車止め等として使用するのに適している。また、太陽電池の電力を充電する充電装置として、電気二重層コンデンサを用いるので、短時間で充電することができ、特別なメンテナンスも不要であり、堅牢である。この電気二重層コンデンサは炭素と水溶液からなるので、使用後に廃棄しても重金属等による公害問題の生ずるおそれはない。以上の説明では、この外灯装置を車止めに利用する例について説明したが、庭園の装飾品等、種々の用途に利用することができることは言うまでもない。
【図面の簡単な説明】
【図1】本発明の実施形態を表す外観図である。
【図2】照明装置の外観図である。
【図3】照明装置の構成を表すブロック図である。
【図4】上記と異なる実施形態を表す外観図である。
【図5】さらに異なる実施形態を表す外観図である。
【図6】さらに異なる実施形態を表す外観図である。
【図7】さらに異なる実施形態を表すA−A矢視図(a)、側面図(b)、正面図(c)である。
【図8】さらに異なる実施形態を表す平面図(a)及び正面図(b)である。
【符号の説明】
1      外灯装置
2      本体
2a     凹部
3      照明装置
5      発光体(LED)
7      太陽電池
10      電気二重層コンデンサ
30      外灯装置
40      外灯装置
50      縁石用外灯装置
60      グランドフラッシャー用外灯装置
[0001]
TECHNICAL FIELD OF THE INVENTION
TECHNICAL FIELD The present invention relates to an outside light device suitable for use as a car stop, a stone lantern, or the like, which is installed to restrict entry of a vehicle on a road or a park.
[0002]
[Prior art]
On roads, parks, and the like, a vehicle stop is often installed to restrict the vehicle from entering a predetermined place. This type of bogie is generally made of a stone block, and many of them have a lighting device attached so as to be prominent even at night. 2. Description of the Related Art Conventionally, as a lighting device provided in a vehicle stop of this type, a lighting device provided with a solar cell, a storage battery, and a light emitting element (LED) has been tried.
[0003]
[Problems to be solved by the invention]
A lighting device using a solar cell as a power source is convenient because it is not necessary to draw an electric wire from an external power pole, but a storage battery of a conventional lighting device has a life of about 200 to 500 charge / discharge cycles. In addition to the need to replace the battery every two to three years, it requires maintenance such as replenishment of the charge solution and adjustment of the specific gravity, and since it contains heavy metals such as lead and cadmium, there is no problem of pollution. As described above, there is a problem in that it takes time and effort to collect the end of life.
[0004]
In addition, since it is necessary to use a capacitor having a sufficient capacity in consideration of cloudy weather, rainy weather, and the like, there is a problem that the apparatus is large-scale and expensive. Accordingly, an object of the present invention is to provide an external light device having a compact and simple structure that does not require maintenance like a conventional lighting device, can be used continuously for a long time, and does not cause secondary pollution. .
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has the following configuration. That is, the external light device according to the present invention includes a lantern-shaped or block-shaped main body made of stone or the like, a solar cell, an electric double-layer capacitor for charging the power of the solar cell, and light output by the output of the electric double-layer capacitor. And a lighting device provided with an LED.
[0006]
It is preferable to use a lighting device in which a solar cell, an electric double layer capacitor, and an LED are integrally assembled. Further, in order to make the device robust, it is preferable to provide a concave portion in the main body, and fit and fix the lighting device in the concave portion. In this case, the solar cell and the LED may be installed so as to face the outside.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be specifically described. 1 and the following drawings each show a specific example of an external light device according to the present invention. The external light device 1 has a lighting device 3 attached to a main body 2 made of a stone material such as granite. In the embodiment shown in FIG. 1, a rectangular concave portion 2 a is provided on a side surface of a cylindrical main body 2, and a rectangular illumination device 3 is fitted into the concave portion 2 a.
[0008]
The lighting device 3 is provided with a rectangular light-emitting body 5 made of an LED at the center of the surface of the box 4, and a solar cell 7 is arranged around the light-emitting body 5 in a frame shape. FIG. 2 is an external view of the lighting device 3, and FIG. 3 is a block diagram showing the configuration of the lighting device 3. An electric double layer capacitor 10 is provided between a solar cell 7 and an LED (light emitting body) 5. The solar cell 7 is provided with a plurality of solar cell modules arranged side by side, and is provided such that the electric double layer capacitor 10 can be charged with required electric power in anticipation of cloudy weather or rainy weather.
[0009]
In FIG. 3, reference numeral 12 denotes a backflow prevention diode, and reference numeral 13 denotes an overvoltage protection circuit. The overvoltage protection circuit shuts off the output of the solar cell 7 when the overcharge voltage of the solar cell 7 is reached. Reference numeral 25 denotes a load control circuit for controlling the power supplied to the LED 5. For example, when the surroundings become dark after sunset, the output of the solar cell 7 is detected to decrease and the energization of the LED 5 is started. When the output of the solar cell 7 returns to a predetermined value or more, the LED 5 is turned off. Cut off the current. For this reason, it is convenient to emit no light while the surroundings are bright, but to emit light after dark.
[0010]
The illuminating device 3 is fitted into a rectangular recess 2a formed on the side surface of the main body 2 and fixed by a suitable fixing means such as a screw or an adhesive. Conventionally, in the case of a lighting device using a solar cell, the solar cell is installed with the solar cell facing upward so that sunlight is well irradiated. However, in the case of the lighting device 3, as shown in FIG. Therefore, various decorations such as headdress stones can be applied to the upper surface 2b of the main body 2. Further, it is also possible to make the upper surface 2b of the main body flat and make a table on which objects can be placed.
[0011]
Although the main body 2 of the exterior light device of FIG. 1 is cylindrical, it may be formed in a prismatic shape as shown in FIG. In addition, in the embodiment of FIGS. 1 and 4, the lighting device 3 is provided on the side surface of the main body 2. However, as in the external light device 30 shown in FIG. Can be fitted, a plurality of columns 33,... Are erected around the column, and a cap 35 can be provided thereon. In this case, it is preferable to increase the distance between the lighting device 3 and the cap 35 to some extent so that sufficient light reaches the solar cell 7. Also in this embodiment, the upper surface of the cap 35 can be flat, or it can be decorated such as engraving.
[0012]
FIG. 6 shows a further different embodiment, in which an outside lamp device 40 of this embodiment has a hollow portion 43 provided inside a prismatic (or may be cylindrical) main body 42 and a concave portion provided on the bottom surface of the hollow portion. The lighting device 3 is fitted into 43a. The side surface of the hollow portion 43 is an opening 46 in a window shape, from which natural light irradiates the solar cell 7. Light from the light emitter 5 is also radiated from the opening 46 to the outside.
[0013]
FIG. 7 shows an exterior light device 50 used as a curb or the like of a road. The exterior light device 50 is provided with a through hole 52 in a front-rear direction in a main body 51, and a lighting device 53 is fitted into the through hole 52. It is fixed. GL in the figure represents the ground level. This lighting device 53 is provided with a pair of cat-like circular light-emitting bodies 55 on the front and rear surfaces of a box 54, respectively. The upper surface 56 of the box 54 is a solar cell unit. The exterior light device 50 is easily visible because the cat-like light-emitting body (LED) 55 shines, and is suitable for being installed as a curb of a road, a curb of a rotary, a curb of a central separator, or the like.
[0014]
FIG. 8 shows an external light device 60 suitable for use as a ground flasher. This external light device 60 is provided with a circular annular groove 62 in the upper part of a columnar main body 61 and an upper part thereof. A circular lighting device 63 is fitted. The illuminating device 63 has a cylindrical casing in which a solar cell and an LED are arranged facing outward, and a light emitting unit LED is provided at a central portion, and solar cells are provided on both left and right sides thereof.
[0015]
As described above, examples of the external light device used for various applications are given. However, the external light device of the present invention uses the solar cell 7 as a power source, and it is not necessary to supply electric power by drawing an electric wire from the outside. And can be installed at any location. In addition, since charging is performed using the electric double layer capacitor, the life is long and maintenance can be omitted. Further, since the solar cell and the luminous body are integrated, the internal structure of the device is simple and compact.
[0016]
In the conventional solar cell type lighting device, in order to electrically connect a solar cell and a light emitting device on site, it was necessary to check the light emitting state on site after installation, but in the above embodiment, Since the solar cell and the luminous body are integrated, there is an advantage that not only the performance can be checked in advance, but also the operation can be checked even at the design stage. In addition, when a conventional solar cell type lighting device is incorporated into this type of external lighting device, it is difficult to repair the line connecting the solar cell and the luminous body if there is a defect. By doing so, if there is a defect, it can be easily replaced.
[0017]
Further, the lighting device used in the present invention does not need to be installed upward on the upper surface of the main body 2 and can be installed on the side surface portion, the hollow portion, or the like of the main body as shown in the illustrated example. It is hard to cause deterioration of charging performance and lighting performance due to dirt. In addition, since it is not necessary to worry about the installation place and the installation direction, it is extremely convenient in practical use.
[0018]
【The invention's effect】
As described above, the external light device according to the present invention is provided with the lighting device using a solar cell as a power supply, and is automatically turned on when it becomes dark, so that its presence is clearly recognized even at night. Therefore, it is suitable for use as a vehicle stop or the like. In addition, since an electric double layer capacitor is used as a charging device for charging the power of the solar cell, it can be charged in a short time, does not require special maintenance, and is robust. Since this electric double layer capacitor is composed of carbon and an aqueous solution, there is no risk of causing a pollution problem due to heavy metals and the like even when discarded after use. In the above description, an example in which this external light device is used for a car stop has been described. However, it is needless to say that the external light device can be used for various uses such as garden ornaments.
[Brief description of the drawings]
FIG. 1 is an external view illustrating an embodiment of the present invention.
FIG. 2 is an external view of a lighting device.
FIG. 3 is a block diagram illustrating a configuration of a lighting device.
FIG. 4 is an external view showing an embodiment different from the above.
FIG. 5 is an external view showing still another embodiment.
FIG. 6 is an external view showing still another embodiment.
FIG. 7 is a view (a), a side view (b), and a front view (c) taken along the line AA showing still another embodiment.
FIG. 8 is a plan view (a) and a front view (b) showing still another embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Exterior light device 2 Main body 2a Recess 3 Lighting device 5 Light emitting body (LED)
7 solar cell 10 electric double layer capacitor 30 outside light device 40 outside light device 50 outside light device for curb 60 outside light device for ground flasher

Claims (7)

  1. 石材等で作られた灯籠状乃至ブロック状の本体に、太陽電池と該太陽電池の電力を充電する電気二重層コンデンサと該電気二重層コンデンサの出力により発光するLEDとを備えた照明装置を設置したことを特徴とする外灯装置。A lighting device equipped with a solar cell, an electric double-layer capacitor for charging the power of the solar cell, and an LED that emits light by the output of the electric double-layer capacitor is installed in a lantern-shaped or block-shaped main body made of stone or the like. Exterior light device characterized by that.
  2. 太陽電池と電気二重層コンデンサとLEDとが一体に組み付けられた照明装置が設けられている請求項1に記載の外灯装置。The exterior light device according to claim 1, further comprising: a lighting device in which the solar cell, the electric double-layer capacitor, and the LED are integrally assembled.
  3. 照明装置が、本体に設けた凹部に嵌め込んで固定されている請求項1又は2に記載の外灯装置。The external light device according to claim 1, wherein the lighting device is fitted and fixed in a concave portion provided in the main body.
  4. 外灯装置が車の進入を規制する車止めである請求項1乃至3のいずれかに記載の外灯装置。The external light device according to any one of claims 1 to 3, wherein the external light device is a bollard for restricting entry of a vehicle.
  5. 外灯装置が庭園等に設置される石灯籠である請求項1乃至3のいずれかに記載の外灯装置。The external light device according to any one of claims 1 to 3, wherein the external light device is a stone lantern installed in a garden or the like.
  6. 外灯装置が道路の縁石である請求項1乃至3のいずれかに記載の外灯装置。The exterior light device according to any one of claims 1 to 3, wherein the exterior light device is a curb of a road.
  7. 外灯装置がグランドフラッシャーである請求項1乃至3のいずれかに記載の外灯装置。The external light device according to any one of claims 1 to 3, wherein the external light device is a ground flasher.
JP2002258158A 2002-09-03 2002-09-03 Outdoor lighting apparatus Pending JP2004095483A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007317622A (en) * 2006-05-29 2007-12-06 Matsushita Electric Works Ltd Illumination device for walk
JP2014232710A (en) * 2013-05-30 2014-12-11 パナソニック株式会社 Lighting fixture
JP2016185037A (en) * 2015-03-26 2016-10-20 パナソニックIpマネジメント株式会社 Electrical power system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007317622A (en) * 2006-05-29 2007-12-06 Matsushita Electric Works Ltd Illumination device for walk
JP2014232710A (en) * 2013-05-30 2014-12-11 パナソニック株式会社 Lighting fixture
JP2016185037A (en) * 2015-03-26 2016-10-20 パナソニックIpマネジメント株式会社 Electrical power system

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