JP2008171584A - Illumination device - Google Patents

Illumination device Download PDF

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Publication number
JP2008171584A
JP2008171584A JP2007001263A JP2007001263A JP2008171584A JP 2008171584 A JP2008171584 A JP 2008171584A JP 2007001263 A JP2007001263 A JP 2007001263A JP 2007001263 A JP2007001263 A JP 2007001263A JP 2008171584 A JP2008171584 A JP 2008171584A
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Prior art keywords
arm portion
outer periphery
power supply
main body
supply device
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Granted
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JP2007001263A
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JP4775267B2 (en
Inventor
Shigeaki Yamazaki
茂章 山崎
Hiroyuki Sako
浩行 迫
Ryoji Yokoya
良二 横谷
Satoru Mori
哲 森
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Panasonic Electric Works Co Ltd
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Matsushita Electric Works Ltd
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Priority to JP2007001263A priority Critical patent/JP4775267B2/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S8/00—Lighting devices intended for fixed installation
    • F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
    • F21S8/026—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters intended to be recessed in a ceiling or like overhead structure, e.g. suspended ceiling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/02—Arrangement of electric circuit elements in or on lighting devices the elements being transformers, impedances or power supply units, e.g. a transformer with a rectifier

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide an illumination device in which a power supply device 2 of a large output is made installable and in which the power supply device 2 is installed at the outer bottom face of the fixture main body 1. <P>SOLUTION: The power supply device 2 to supply electric power to an LED is installed at the outer bottom face of the fixture main body 1 which has a container-like state to house the LED interior via an arm part 3 so as to be housed in the inside region of the outer periphery of the fixture main body 1. The power supply device 2 together with the arm part 3 is protrudent into the outside region of the outer periphery of the fixture main body 1. Then, a plurality of radiation fins 4 are installed at the outer bottom face of the fixture main body 1, and the arm part 3 is made to be joined to the radiation fins 4. Then, since the arm part 3 is rotated, it becomes protrudent into the outside region of the outer periphery of the fixture main body 1. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本願発明は、内部にＬＥＤを収めた器状である器具本体の外底面に、ＬＥＤに電力を供給する電源装置を設けている照明装置に関するものである。   The present invention relates to an illuminating device in which a power supply device for supplying power to an LED is provided on the outer bottom surface of an instrument body which is a container-like shape in which an LED is housed.

従来から、特開２００２−３０４９０４号公報（特許文献１）に示されるようなＬＥＤ照明装置は知られている。このＬＥＤ照明装置は図１４に示すように、器具本体１０１、器具外郭１０２、レンズ体１０３およびＬＥＤ１０４を備えているほか、器具本体１０１にＬＥＤ電源供給部１０５が内蔵されている。そして、このＬＥＤ電源供給部１０５はＬＥＤ１０４が実装された配線基板の裏面側に設けられている。   2. Description of the Related Art Conventionally, an LED lighting device as shown in JP-A-2002-304904 (Patent Document 1) is known. As shown in FIG. 14, the LED illumination device includes an instrument body 101, an instrument shell 102, a lens body 103, and an LED 104, and an LED power supply unit 105 is built in the instrument body 101. And this LED power supply part 105 is provided in the back surface side of the wiring board in which LED104 was mounted.

これにより、天井裏からの交流電源をＬＥＤ照明装置に直接接続し、一般家庭で使用されているシーリング器具としての展開が容易にできた。
特開２００２−３０４９０４号公報 As a result, an AC power source from the back of the ceiling was directly connected to the LED lighting device, and the development as a sealing device used in general households was facilitated.
JP 2002-304904 A

しかしながら、ＬＥＤ電源供給部１０５が器具本体１０１に内蔵されていると、ＬＥＤ１０４からの熱の影響を受けやすく、ＬＥＤ電源供給部１０５の部品温度が上昇してしまう恐れがある。また、ＬＥＤ１０４が発する熱はＬＥＤ電源供給部１０５との取付部を介してＬＥＤ電源供給部１０５に伝わり、更にＬＥＤ電源供給部１０５から器具本体１０１に伝わって外部に放熱されるので、ＬＥＤ１０４の放熱性が低下してしまう恐れがある。   However, if the LED power supply unit 105 is built in the instrument main body 101, the LED power supply unit 105 is likely to be affected by heat from the LED 104, and the component temperature of the LED power supply unit 105 may increase. Further, the heat generated by the LED 104 is transmitted to the LED power supply unit 105 via the mounting portion with the LED power supply unit 105, and further transmitted from the LED power supply unit 105 to the instrument body 101 to be radiated to the outside. May decrease.

よって、特開２００２−３０４９０４号公報に示される上記従来例のＬＥＤ照明装置にあっては、大きな出力のＬＥＤ電源供給部１０５を設けることが困難であるという問題があった。   Therefore, the conventional LED lighting device disclosed in Japanese Patent Application Laid-Open No. 2002-304904 has a problem that it is difficult to provide the LED power supply unit 105 with a large output.

本願発明は、上記課題を解決するためになされたものであり、その目的は、大きな出力の電源装置を設けることが可能となる、電源装置を器具本体の外底面に設置した照明装置を提供することにある。   The present invention has been made in order to solve the above-described problems, and an object of the present invention is to provide an illumination device in which a power supply device having a large output can be provided, and the power supply device is installed on the outer bottom surface of the instrument body. There is.

上記課題を解決するために、本願請求項１記載の発明では、内部にＬＥＤを収めた器状である器具本体の外底面に、ＬＥＤに電力を供給する電源装置をアーム部を介して器具本体外周の内側領域に収まるように設け、アーム部とともに電源装置が器具本体外周の外側領域に突出自在となっていることを特徴としている。   In order to solve the above-mentioned problem, in the invention according to claim 1 of the present application, a power supply device for supplying power to the LED is provided on the outer bottom surface of the instrument body which is a container-like shape in which the LED is housed. The power supply device is provided so as to be accommodated in the inner region of the outer periphery, and the power supply device can protrude into the outer region of the outer periphery of the instrument body together with the arm portion.

また、本願請求項２記載の発明では、上記請求項１記載の照明装置において、複数の放熱フィンを器具本体の外底面に設け、アーム部を放熱フィンに結合させていることを特徴としている。   Further, the invention according to claim 2 of the present application is characterized in that, in the illumination device according to claim 1, a plurality of radiation fins are provided on the outer bottom surface of the instrument body, and the arm portion is coupled to the radiation fins.

また、本願請求項３記載の発明では、上記請求項１又は２記載の照明装置において、アーム部が回動することで、器具本体外周の外側領域に突出自在となることを特徴としている。   Further, the invention according to claim 3 of the present application is characterized in that, in the illumination device according to claim 1 or 2, the arm portion rotates to freely protrude into an outer region of the outer periphery of the instrument body.

また、本願請求項４記載の発明では、上記請求項１又は２記載の照明装置において、アーム部がスライドすることで、器具本体外周の外側領域に突出自在となることを特徴としている。   Further, the invention according to claim 4 of the present application is characterized in that, in the illumination device according to claim 1 or 2, the arm portion slides to be freely protruded to an outer region of the outer periphery of the instrument body.

また、本願請求項５記載の発明では、上記請求項１〜４のいずれか１項記載の照明装置において、天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられていることを特徴としている。   Further, in the invention according to claim 5 of the present application, in the illumination device according to any one of claims 1 to 4, the illumination device is embedded in a ceiling surface, and the opening of the instrument body faces downward. It is characterized by being provided as follows.

また、本願請求項６記載の発明では、上記請求項４記載の照明装置において、天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられ、アーム部を下方に傾斜を付けて設けていることを特徴としている。   Further, in the invention according to claim 6 of the present application, in the illumination device according to claim 4, the illumination device is embedded in the ceiling surface, and is provided so that the opening of the instrument body faces downward, and the arm portion. Is provided with an inclination downward.

本願請求項１記載の発明の照明装置においては、器具本体の外底面に電源装置をアーム部を介して器具本体外周の内側領域に収まるように設け、アーム部とともに電源装置が器具本体外周の外側領域に突出自在となっているので、アーム部と電源装置が器具本体外周の外側領域に突出している場合は、ＬＥＤと電源装置が離れてＬＥＤの熱が電源装置へ伝わりにくくなり、大きな出力の電源装置を設けることができる。また、アーム部と電源装置が器具本体外周の内側領域に収まっている場合は、コンパクトな構造となり、輸送梱包する際や施工する際に利便性が向上する。   In the lighting device according to the first aspect of the present invention, the power supply device is provided on the outer bottom surface of the fixture body so as to be accommodated in the inner region of the outer periphery of the fixture body via the arm portion, and the power supply device together with the arm portion is located outside the outer periphery of the fixture body. Since the arm part and the power supply device protrude to the outer area of the outer periphery of the instrument body, the LED and the power supply device are separated from each other, making it difficult for the heat of the LED to be transmitted to the power supply device. A power supply can be provided. Moreover, when the arm part and the power supply device are housed in the inner region of the outer periphery of the instrument body, the structure is compact, and convenience is improved when transporting and constructing.

本願請求項２記載の発明の照明装置においては、特に、複数の放熱フィンを器具本体の外底面に設け、アーム部を放熱フィンに結合させているので、アーム部を取り付けるための部品を別途設ける必要がなく、構造を簡易にすることができる。   In the lighting device according to the second aspect of the present invention, in particular, a plurality of radiating fins are provided on the outer bottom surface of the fixture body, and the arm portion is coupled to the radiating fin, so that a component for attaching the arm portion is separately provided. There is no need, and the structure can be simplified.

本願請求項３記載の発明の照明装置においては、特に、アーム部が回動することで、器具本体外周の外側領域に突出自在となるので、簡易な構造でアーム部を器具本体外周の外側領域に突出自在とすることができる。   In the illuminating device according to the third aspect of the present invention, in particular, since the arm portion rotates, the arm portion can be protruded to the outer region on the outer periphery of the instrument body. Can protrude freely.

本願請求項４記載の発明の照明装置においては、特に、アーム部がスライドすることで、器具本体外周の外側領域に突出自在となるので、簡易な構造でアーム部を器具本体外周の外側領域に突出自在とすることができる。   In the lighting device according to the fourth aspect of the present invention, in particular, since the arm portion slides, the arm portion can be protruded into the outer region of the outer periphery of the instrument body. It can be made freely projectable.

本願請求項５記載の発明の照明装置においては、特に、天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられているので、容易に取り付けることができて施工性が向上する。   In the illuminating device according to the fifth aspect of the present invention, in particular, the illuminating device is embedded in the ceiling surface, and since the opening of the instrument main body faces downward, it can be easily attached. This improves workability.

本願請求項６記載の発明の照明装置においては、特に、天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられ、アーム部を下方に傾斜を付けて設けているので、アーム部が自重により自動的にスライドして器具本体外周の外側領域に突出することができる。したがって、取り付ける場合には突出したアーム部を器具本体外周の内側領域に収めて、天井の取付け孔に挿入させて設置し、設置後にアーム部を自重によって自動で器具本体外周の外側領域に突出させることができるので、施工性が向上する。また、アーム部に傾斜を付けているので、ＬＥＤの対流熱が防止されて電源装置まで伝わりにくくなり、ＬＥＤの温度上昇を避けられ、ＬＥＤの光出力を高くすることができる。   In the lighting device according to the sixth aspect of the present invention, in particular, the lighting device is embedded in the ceiling surface, and is provided so that the opening of the instrument body faces downward, and the arm portion is inclined downward. Therefore, the arm portion can automatically slide by its own weight and protrude to the outer region of the outer periphery of the instrument body. Therefore, when installing, place the protruding arm part in the inner area of the outer periphery of the instrument body and insert it into the ceiling mounting hole, and after installation, the arm part automatically protrudes to the outer area of the outer periphery of the instrument body by its own weight Therefore, workability is improved. In addition, since the arm portion is inclined, the convective heat of the LED is prevented and it is difficult to be transmitted to the power supply device, the temperature of the LED is prevented from rising, and the light output of the LED can be increased.

以下、本願発明を添付図面に示す実施形態に基づいて説明する。   Hereinafter, the present invention will be described based on embodiments shown in the accompanying drawings.

図１〜４は、本願請求項１〜３、５に対応した第一の実施形態である照明装置を示している。本実施形態の照明装置は、内部にＬＥＤを収めた器状である器具本体１の外底面に、ＬＥＤに電力を供給する電源装置２をアーム部３を介して器具本体外周の内側領域に収まるように設け、アーム部３とともに電源装置２が器具本体外周の外側領域に突出自在となっている。そして、複数の放熱フィンを器具本体１の外底面に設け、アーム部３を放熱フィンに結合させている。そして、アーム部３が回動することで、器具本体外周の外側領域に突出自在となっている。本実施形態の照明装置は天井面に埋設され、器具本体１の開口部が下側を向くように設けられている。   1-4 has shown the illuminating device which is 1st embodiment corresponding to this-application Claims 1-3. The illumination device of the present embodiment fits the power supply device 2 for supplying power to the LED in the inner region of the outer periphery of the instrument main body via the arm portion 3 on the outer bottom surface of the instrument main body 1 which is a container-like shape in which the LED is housed. The power supply device 2 can be protruded to the outer region of the outer periphery of the instrument body together with the arm portion 3. A plurality of radiating fins are provided on the outer bottom surface of the instrument main body 1, and the arm portion 3 is coupled to the radiating fins. And the arm part 3 rotates, and it can protrude freely in the outer side area | region of an instrument main body outer periphery. The illuminating device of this embodiment is embedded in the ceiling surface, and is provided so that the opening part of the instrument main body 1 may face downward.

以下、この実施形態の照明装置をより具体的詳細に説明する。   Hereinafter, the illumination device of this embodiment will be described in more detail.

この実施形態の照明装置は、天井に設けられた取付け孔に挿入させることで、設置されるダウンライトである。なお、天井以外にも壁面などにおいても設置することは可能である。   The lighting device of this embodiment is a downlight that is installed by being inserted into a mounting hole provided in the ceiling. In addition to the ceiling, it can be installed on a wall surface.

器具本体１は、図１〜４に示すように、円盤状の底部と、底部の外周縁から下方に延設された円筒部と、円筒部の下端から外側に延設されて円筒部を取り囲む縁部と、を一体に有する形状に形成されている。底部の外周は外底面側に近づくにつれ小さくなるようなテーパ形状となっている。図示されていないが、電源装置２に電気的に接続される接続部（コネクタ）が内底面中央付近に設けられている。なお、器具本体１は例えばアルミなどからなる。   As shown in FIGS. 1 to 4, the instrument main body 1 surrounds the cylindrical portion, a disc-shaped bottom portion, a cylindrical portion extending downward from the outer peripheral edge of the bottom portion, and extending outward from the lower end of the cylindrical portion. It is formed in the shape which has an edge part integrally. The outer periphery of the bottom has a tapered shape that decreases as it approaches the outer bottom surface. Although not shown, a connection portion (connector) that is electrically connected to the power supply device 2 is provided near the center of the inner bottom surface. The instrument body 1 is made of, for example, aluminum.

図示されていないが、この器具本体１の内底面には実装基板が設けられている。この実装基板は、光源であるＬＥＤ、コンデンサ、トランジスタ等の電子部品が実装された器具本体内に収納される円状のＬＥＤユニット（プリント基板）である。そして、器具本体１に設けられた接続部にコネクタ接続される接続部を実装基板の上面中央に備えている。   Although not shown, a mounting substrate is provided on the inner bottom surface of the instrument body 1. This mounting board is a circular LED unit (printed board) housed in an instrument body on which electronic components such as LEDs, capacitors, and transistors as light sources are mounted. And the connection part connected by the connector to the connection part provided in the instrument main body 1 is provided in the upper surface center of the mounting substrate.

図示されていないが、ＬＥＤの前方にはレンズを含むレンズ体が配置されている。このレンズ体は、例えば絶縁性の樹脂成形により形成され、ＬＥＤの光を制御するためのレンズが各ＬＥＤに配置されている。   Although not shown, a lens body including a lens is disposed in front of the LED. This lens body is formed by, for example, insulating resin molding, and a lens for controlling the light of the LED is disposed in each LED.

なお、レンズ体及び実装基板は器具本体内に着脱自在に収納されるようになっていてもよい。   The lens body and the mounting substrate may be detachably accommodated in the instrument body.

図１、２に示すように、器具本体１の外底面には、複数の放熱フィンが一面に設けられている。この放熱フィンはアルミなどから略矩形状に形成され、器具本体１と一体となっており、各放熱フィンが平行になるように設けられている。そして、外側放熱フィン４ａとこの外側放熱フィン４ａに挟まれるように位置している内側放熱フィン４ｂがあり、外側放熱フィン４ａは内側放熱フィン４ｂよりも高い。そして、この外側放熱フィン４ａの上側のコーナー部の一方には、アーム部３が回動自在に取り付けられる回動部５が設けられている。   As shown in FIGS. 1 and 2, a plurality of heat radiating fins are provided on one surface on the outer bottom surface of the instrument body 1. The radiating fins are formed in a substantially rectangular shape from aluminum or the like, and are integrated with the instrument main body 1 so that the radiating fins are parallel to each other. And there exists the inner side radiation fin 4b located so that it may be pinched | interposed into the outer side radiation fin 4a and this outer side radiation fin 4a, and the outer side radiation fin 4a is higher than the inner side radiation fin 4b. And the rotation part 5 to which the arm part 3 is rotatably attached is provided in one side of the upper corner part of this outer side radiation fin 4a.

このアーム部３は略水平な板状であり、アルミ等からなる。そして、アーム部３の先端付近の下面には、ＬＥＤに電力を供給する電源装置２が設けられている。アーム部３は回動部５を軸として左右に回動自在である。図１、２に示すように、アーム部３を器具本体外周の外側に回動させた場合は、アーム部３とともに電源装置２が器具本体外周の外側領域に突出することとなる。図３、４に示すように、アーム部３を器具本体外周の内側に回動させた場合は、アーム部３とともに電源装置２が器具本体外周の内側領域に収まることとなる。   The arm portion 3 has a substantially horizontal plate shape and is made of aluminum or the like. A power supply device 2 that supplies power to the LEDs is provided on the lower surface near the tip of the arm portion 3. The arm part 3 is rotatable to the left and right with the rotating part 5 as an axis. As shown in FIGS. 1 and 2, when the arm portion 3 is rotated to the outside of the outer periphery of the instrument body, the power supply device 2 protrudes to the outer area of the outer periphery of the instrument body together with the arm portion 3. As shown in FIGS. 3 and 4, when the arm portion 3 is turned to the inside of the outer periphery of the instrument body, the power supply device 2 is accommodated in the inner region of the outer periphery of the instrument body together with the arm portion 3.

この実施形態の照明装置は、輸送梱包する際や施工する際は、アーム部３とともに電源装置２が器具本体外周の内側領域に収まっている状態となり、天井面等に取付けた後は、アーム部３とともに電源装置２が器具本体外周の外側領域に突出している状態となる。取付けた後にアーム部３とともに電源装置２を器具本体外周の外側領域に突出させる手段としては、例えば、取付け時にアーム部３が器具本体１の底面に対して垂直になるように上げておき、その後、電源装置２の重さにより外側領域に自動的に突出させる方法がある。また、アーム部３を形状記憶合金やバイメタルによって形成し、点灯時の温度上昇を利用して変形させ、自動的に外側領域に突出させる方法もある。また、モーターを利用して変形させる方法もある。   The lighting device of this embodiment is in a state in which the power supply device 2 is housed in the inner region of the outer periphery of the instrument body together with the arm portion 3 when packing and constructing the transport device. 3, the power supply device 2 protrudes from the outer region of the outer periphery of the instrument body. As a means for projecting the power supply device 2 together with the arm portion 3 to the outer region of the outer periphery of the instrument body after the attachment, for example, the arm part 3 is raised so as to be perpendicular to the bottom surface of the instrument body 1 at the time of attachment. There is a method of automatically projecting to the outer region depending on the weight of the power supply device 2. There is also a method in which the arm portion 3 is formed of a shape memory alloy or bimetal, deformed by utilizing a temperature rise during lighting, and automatically protrudes to the outer region. There is also a method of deforming using a motor.

したがって、電源装置２をアーム部３を介して器具本体外周の内側領域に収まるように設け、アーム部３とともに電源装置２が器具本体外周の外側領域に突出自在となっているので、アーム部３と電源装置２が器具本体外周の外側領域に突出している場合は、ＬＥＤと電源装置２が離れてＬＥＤの熱が電源装置２へ伝わりにくくなり、大きな出力の電源装置２を設けることができる。また、アーム部３と電源装置２が器具本体外周の内側領域に収まっている場合は、コンパクトな構造となり、輸送梱包する際や施工する際に利便性が向上する。   Therefore, since the power supply device 2 is provided so as to fit in the inner region of the outer periphery of the instrument body via the arm portion 3, the power supply device 2 can protrude into the outer region of the outer periphery of the instrument body together with the arm portion 3. When the power supply device 2 protrudes from the outer region of the outer periphery of the instrument body, the LED and the power supply device 2 are separated from each other, making it difficult for the heat of the LED to be transmitted to the power supply device 2 and providing a power output device 2 with a large output. Moreover, when the arm part 3 and the power supply device 2 are settled in the inner side area | region of an instrument main body outer periphery, it becomes a compact structure and the convenience improves when carrying out transport packaging and construction.

また、複数の放熱フィンを器具本体１の外底面に設け、アーム部３を放熱フィンに結合させているので、アーム部３を取り付けるための部品を別途設ける必要がなく、構造を簡易にすることができる。   In addition, since a plurality of radiating fins are provided on the outer bottom surface of the instrument body 1 and the arm portion 3 is coupled to the radiating fins, there is no need to separately provide parts for attaching the arm portion 3, and the structure can be simplified. Can do.

また、アーム部３が回動することで、器具本体外周の外側領域に突出自在となるので、簡易な構造でアーム部３を器具本体外周の外側領域に突出自在とすることができる。   Further, since the arm portion 3 is rotated, the arm portion 3 can be protruded to the outer region on the outer periphery of the instrument main body. Therefore, the arm portion 3 can be protruded to the outer region on the outer periphery of the instrument main body with a simple structure.

また、天井面に埋設される照明装置であって、器具本体１の開口部が下側を向くように設けられているので、容易に取り付けることができて施工性が向上する。   Moreover, it is an illuminating device embed | buried under a ceiling surface, Comprising: Since the opening part of the instrument main body 1 is provided so that it may face a lower side, it can attach easily and workability | operativity improves.

なお、放熱フィンの配列は上述した形式に限らず、他の配列であっても同様の作用及び効果を奏する。   In addition, the arrangement | sequence of a radiation fin is not restricted to the form mentioned above, There exists the same effect | action and effect even if it is another arrangement | sequence.

図５〜９は、本願請求項１、２、４、５に対応した第二の実施形態である照明装置を示している。   5 to 9 show a lighting device according to a second embodiment corresponding to claims 1, 2, 4, and 5 of the present application.

なお、ここでは、上記第一の実施形態と相違する事項についてのみ説明し、その他の事項（構成、作用効果等）については、上記第一の実施形態と同様であるのでその説明を省略する。   Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and the description thereof will be omitted.

本実施形態の照明装置は、アーム部３がスライドすることで、器具本体外周の外側領域に突出自在となる。具体的には、図５、６、９に示すように、外側放熱フィン４ａにそれぞれスライドガイド６が設けられ、このスライドガイド６の溝に沿ってアーム部３がスライドする。   The lighting device according to the present embodiment can protrude into the outer region of the outer periphery of the instrument body as the arm unit 3 slides. Specifically, as shown in FIGS. 5, 6, and 9, slide guides 6 are respectively provided on the outer heat radiation fins 4 a, and the arm portion 3 slides along a groove of the slide guide 6.

図５、６に示すように、アーム部３を器具本体外周の外側にスライドさせた場合は、アーム部３とともに電源装置２が器具本体外周の外側領域に突出することとなる。図７〜９に示すように、アーム部３を器具本体外周の内側にスライドさせた場合は、アーム部３とともに電源装置２が器具本体外周の内側領域に収まることとなる。よって、内側放熱フィン４ｂは、図９に示すように、電源装置２が器具本体外周の内側領域に収まっている場合に、電源装置２と接することのない高さとなる。   As shown in FIGS. 5 and 6, when the arm portion 3 is slid to the outside of the outer periphery of the instrument body, the power supply device 2 protrudes to the outer area of the outer periphery of the instrument body together with the arm portion 3. As shown in FIGS. 7 to 9, when the arm part 3 is slid to the inside of the outer periphery of the instrument body, the power supply device 2 is accommodated in the inner area of the outer periphery of the instrument body together with the arm part 3. Therefore, as shown in FIG. 9, the inner radiating fin 4 b has a height that does not come into contact with the power supply device 2 when the power supply device 2 is within the inner region of the outer periphery of the instrument body.

上記第一の実施形態同様に、天井面などに取付けた後にアーム部３とともに電源装置２を器具本体外周の外側領域に突出させる場合は、バネなどでアーム部３が器具本体外周の外側領域に位置するように引っ張っておき、ラッチ構造でアーム部３を器具本体外周の内側領域に固定しておく方法がある。アーム部３の固定を解除する手段としては、器具本体１にレバー機構を設けたり、点灯時の温度上昇を利用して形状記憶合金などを利用することや、モーターなどを利用して能動的にラッチを解除する方法などが考えられる。   Similarly to the first embodiment, when the power supply device 2 is projected to the outer area of the outer periphery of the instrument body together with the arm part 3 after being attached to the ceiling surface or the like, the arm part 3 is moved to the outer area of the outer periphery of the instrument body by a spring or the like. There is a method in which the arm portion 3 is fixed to an inner region of the outer periphery of the instrument main body with a latch structure. As a means for releasing the fixation of the arm portion 3, a lever mechanism is provided in the instrument body 1, a shape memory alloy or the like is used by utilizing a temperature rise at the time of lighting, or a motor or the like is used actively. A method of releasing the latch can be considered.

したがって、アーム部３がスライドすることで、器具本体外周の外側領域に突出自在となるので、簡易な構造でアーム部３を器具本体外周の外側領域に突出自在とすることができる。   Therefore, since the arm part 3 slides, the arm part 3 can be protruded to the outer region on the outer periphery of the instrument body, so that the arm part 3 can be protruded to the outer region on the outer periphery of the instrument body with a simple structure.

図１０〜１３は、本願請求項１、２、４、６に対応した第三の実施形態である照明装置を示している。   FIGS. 10-13 has shown the illuminating device which is 3rd embodiment corresponding to Claim 1, 2, 4, 6 of this application.

なお、ここでは、上記第二の実施形態と相違する事項についてのみ説明し、その他の事項（構成、作用効果等）については、上記第二の実施形態と同様であるのでその説明を省略する。   Here, only matters different from those in the second embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the second embodiment, and thus description thereof will be omitted.

本実施形態の照明装置は、アーム部３を下方に傾斜を付けて設けている。具体的には、図１０〜１３に示すように、外側放熱フィン４ａの上側に傾斜を付けて、その傾斜に沿ってスライドガイド６を設けている。アーム部３はスライドガイド６に沿ってスライドするので、これによりアーム部３は下方に傾斜を付けて設けられることとなる。   In the illumination device of the present embodiment, the arm portion 3 is provided with an inclination downward. Specifically, as shown in FIGS. 10 to 13, the upper side of the outer radiating fin 4 a is inclined, and the slide guide 6 is provided along the inclination. Since the arm portion 3 slides along the slide guide 6, the arm portion 3 is provided with an inclination downward.

図１０、１１に示すように、アーム部３を器具本体外周の外側にスライドさせた場合は、アーム部３とともに電源装置２が器具本体外周の外側領域に突出することとなる。図１２、１３に示すように、アーム部３を器具本体外周の内側にスライドさせた場合は、アーム部３とともに電源装置２が器具本体外周の内側領域に収まることとなる。   As shown in FIGS. 10 and 11, when the arm portion 3 is slid to the outside of the outer periphery of the instrument body, the power supply device 2 protrudes to the outer area of the outer periphery of the instrument body together with the arm portion 3. As shown in FIGS. 12 and 13, when the arm portion 3 is slid to the inside of the outer periphery of the instrument body, the power supply device 2 is accommodated in the inner area of the outer periphery of the instrument body together with the arm portion 3.

したがって、アーム部３を下方に傾斜を付けて設けているので、天井面などに取付けた後にアーム部３が自重により自動的にスライドして器具本体外周の外側領域に突出することができる。したがって、取り付ける場合には突出したアーム部３を器具本体外周の内側領域に収めて、天井の取付け孔に挿入させて設置し、設置後にアーム部３を自重によって自動で器具本体外周の外側領域に突出させることができるので、施工性が向上する。また、アーム部３に傾斜を付けているので、ＬＥＤの対流熱が防止されて電源装置２まで伝わりにくくなり、ＬＥＤの温度上昇を避けられ、ＬＥＤの光出力を高くすることができる。   Therefore, since the arm portion 3 is provided with an inclination downward, the arm portion 3 can automatically slide by its own weight after being attached to a ceiling surface or the like, and protrude to the outer region on the outer periphery of the instrument body. Therefore, when mounting, the protruding arm portion 3 is placed in the inner area of the outer periphery of the instrument body and inserted into the mounting hole of the ceiling, and after installation, the arm section 3 is automatically placed in the outer area of the outer periphery of the instrument body by its own weight. Since it can be made to protrude, workability improves. Further, since the arm portion 3 is inclined, the convective heat of the LED is prevented and it is difficult to be transmitted to the power supply device 2, the temperature rise of the LED can be avoided, and the light output of the LED can be increased.

本願発明の第一の実施形態である照明装置の、アーム部が器具本体外側に突出している状態を示す斜視図。The perspective view which shows the state which the arm part protrudes to the instrument main body outer side of the illuminating device which is 1st embodiment of this invention. 同照明装置のアーム部が器具本体外側に突出している状態を示す側面図。The side view which shows the state which the arm part of the same illuminating device protrudes on the instrument main body outer side. 同照明装置のアーム部が器具本体内側に収まっている状態を示す斜視図。The perspective view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 同照明装置のアーム部が器具本体内側に収まっている状態を示す側面図。The side view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 本願発明の第二の実施形態である照明装置の、アーム部が器具本体外側に突出している状態を示す斜視図。The perspective view which shows the state which the arm part protrudes to the instrument body outer side of the illuminating device which is 2nd embodiment of this invention. 同照明装置のアーム部が器具本体外側に突出している状態を示す側面図。The side view which shows the state which the arm part of the same illuminating device protrudes on the instrument main body outer side. 同照明装置のアーム部が器具本体内側に収まっている状態を示す斜視図。The perspective view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 同照明装置のアーム部が器具本体内側に収まっている状態を示す側面図。The side view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 同照明装置のアーム部が器具本体内側に収まっている状態を示す背面図。The rear view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 本願発明の第三の実施形態である照明装置の、アーム部が器具本体外側に突出している状態を示す斜視図。The perspective view which shows the state which the arm part protrudes to the instrument body outer side of the illuminating device which is 3rd embodiment of this invention. 同照明装置のアーム部が器具本体外側に突出している状態を示す側面図。The side view which shows the state which the arm part of the same illuminating device protrudes on the instrument main body outer side. 同照明装置のアーム部が器具本体内側に収まっている状態を示す斜視図。The perspective view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 同照明装置のアーム部が器具本体内側に収まっている状態を示す側面図。The side view which shows the state in which the arm part of the lighting device was settled inside the instrument main body. 従来例である照明装置を示す断面図。Sectional drawing which shows the illuminating device which is a prior art example.

符号の説明Explanation of symbols

１ 器具本体
２ 電源装置
３ アーム部
４ａ 外側放熱フィン
４ｂ 内側放熱フィン
５ 回動部
６ スライドガイド DESCRIPTION OF SYMBOLS 1 Instrument main body 2 Power supply device 3 Arm part 4a Outer radiation fin 4b Inner radiation fin 5 Rotating part 6 Slide guide

Claims (6)

内部にＬＥＤを収めた器状である器具本体の外底面に、ＬＥＤに電力を供給する電源装置をアーム部を介して器具本体外周の内側領域に収まるように設け、アーム部とともに電源装置が器具本体外周の外側領域に突出自在となっていることを特徴とする照明装置。   A power supply device that supplies power to the LED is provided on the outer bottom surface of the fixture body that contains the LED inside so as to fit in the inner area of the outer periphery of the fixture body via the arm portion. An illuminating device characterized in that it can protrude into an outer region of the outer periphery of the main body. 複数の放熱フィンを器具本体の外底面に設け、アーム部を放熱フィンに結合させていることを特徴とする請求項１記載の照明装置。   The lighting device according to claim 1, wherein a plurality of radiating fins are provided on an outer bottom surface of the fixture body, and an arm portion is coupled to the radiating fins. アーム部が回動することで、器具本体外周の外側領域に突出自在となることを特徴とする請求項１又は２記載の照明装置。   The lighting device according to claim 1, wherein the arm portion is rotatable so as to be protruded to an outer region of the outer periphery of the instrument body. アーム部がスライドすることで、器具本体外周の外側領域に突出自在となることを特徴とする請求項１又は２記載の照明装置。   The lighting device according to claim 1 or 2, wherein the arm portion is slid so that the arm portion can protrude into an outer region of the outer periphery of the instrument body. 天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられていることを特徴とする請求項１〜４のいずれか１項記載の照明装置。   It is an illuminating device embed | buried under a ceiling surface, Comprising: The illuminating device of any one of Claims 1-4 provided so that the opening part of an instrument main body may face downward. 天井面に埋設される照明装置であって、器具本体の開口部が下側を向くように設けられ、アーム部を下方に傾斜を付けて設けていることを特徴とする請求項４記載の照明装置。   The illumination device according to claim 4, wherein the illumination device is embedded in a ceiling surface, and the opening of the instrument body is provided so as to face downward, and the arm portion is provided with an inclination downward. apparatus.
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