JP5479568B1 - LED lighting device - Google Patents
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- JP5479568B1 JP5479568B1 JP2012277970A JP2012277970A JP5479568B1 JP 5479568 B1 JP5479568 B1 JP 5479568B1 JP 2012277970 A JP2012277970 A JP 2012277970A JP 2012277970 A JP2012277970 A JP 2012277970A JP 5479568 B1 JP5479568 B1 JP 5479568B1
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Abstract
【課題】
氷柱防止用の部品を設けることなく、水垂れ部分に生じやすい氷柱を防止することができる屋外用照明器具を提供することを目的とする。
【解決手段】
ＬＥＤ照明装置の本体上部が、本体の取付部の方向に傾斜し、また、内部に取付けられるＬＥＤユニット及び電源装置が発生する熱により加温されることで氷柱の発生を防止する。
【選択図】図３【Task】
It aims at providing the outdoor lighting fixture which can prevent the ice column which is easy to occur in a dripping part, without providing the part for ice column prevention.
[Solution]
The upper part of the main body of the LED lighting device is inclined in the direction of the mounting portion of the main body, and the generation of ice pillars is prevented by being heated by the heat generated by the LED unit and the power supply device mounted inside.
[Selection] Figure 3
Description
本発明は、ＬＥＤ素子を光源に使用したＬＥＤ照明装置に関し、特に屋外に使用するＬＥＤ照明装置に関するものである。 The present invention relates to an LED illumination device using an LED element as a light source, and more particularly to an LED illumination device used outdoors.
従来より、屋外に設置された屋外用照明器具において、積雪の多い寒冷な地方では、照明器具上面に雪が積もっている際には、照明器具本体上部がランプの熱により暖められるので、積もった雪が融けて水となり、水垂れ部分から水が垂れて、そのまますぐに垂れ落ちれば良いが、すぐに垂れ落ちないため、該水垂れ部分から垂れた水が外気により冷却されることにより、水垂れ部分に氷柱ができてしまうことがあった。 Conventionally, in outdoor lighting fixtures installed outdoors, in cold regions with a lot of snow, when snow is piled up on the upper surface of the lighting fixture, the upper part of the lighting fixture body is warmed by the heat of the lamp, so the accumulated snow is It melts and becomes water, and it suffices that the water drips from the dripping part and immediately drops, but since it does not drip immediately, the water dripping part is cooled by the outside air. Sometimes an icicle was formed.
そして、このような氷柱が成長していった場合、同氷柱が自重に耐え切れず落下した際には、人に危害を及ぼしてしまう可能性があり非常に危険であった。 And when such an icicle grows up, if the icicle falls without being able to withstand its own weight, there is a possibility that it may cause harm to people and it is very dangerous.
屋外用照明器具において、雨水や雪解け水が垂れ落ちる水垂れ部分を０度以上に常に維持するために発熱体を設けて、氷柱防止対策を施した技術がある（特許文献１）。また、水垂れ部分の上側に雪を浮かせて保持する雪保持部材を設けて、氷柱防止対策を施した技術がある（特許文献２）。 In an outdoor lighting fixture, there is a technology in which a heating element is provided to always maintain a dripping portion where rainwater or snowmelt droops at 0 degrees or more, and an anti-icing measure is taken (Patent Document 1). In addition, there is a technique in which a snow holding member that floats and holds snow on the upper side of the dripping portion is provided to prevent ice pillars (Patent Document 2).
しかしながら、このような屋外用照明器具においては、氷柱防止用の部品（発熱体、雪保持部材）を設ける必要があり、製造コストが高くなるという課題があった。また、発熱体が故障した場合、水滴落下箇所の温度が氷点下となり氷柱が発生してしまうという課題もあった。 However, in such outdoor lighting fixtures, it is necessary to provide parts for preventing ice pillars (heating elements, snow retaining members), and there is a problem that the manufacturing cost increases. In addition, when the heating element breaks down, there is a problem that the temperature of the water drop dropping point is below the freezing point and an ice column is generated.
本発明は、上述の事実に鑑みてなされたものであって、氷柱防止用の部品を特別に設けることなく、水垂れ部分に生じやすい氷柱を防止することができる屋外用照明器具を提供することを目的とする。 This invention is made in view of the above-mentioned fact, Comprising: The outdoor lighting fixture which can prevent the icicle which is easy to occur in a dripping part is provided, without providing the part for icicle prevention especially. With the goal.
上記課題を解決するために、請求項１に記載の発明にあっては、光源となるＬＥＤユニットと、それを点灯させる電源装置と、前記ＬＥＤユニットと前記電源装置とが取り付けられる伝熱性の本体と、を備えたＬＥＤ照明装置において、
前記本体は盤体形状であり、該本体の上面部には凸状の外縁部と中央部に集水凹部が形成されるとともに、これら外縁部と集水凹部には、ＬＥＤ照明装置を設置する被取付部に向かって下り勾配の傾斜が形成され、
前記本体の前記外縁部の内部側に前記ＬＥＤユニットが配置され、前記集水凹部の内部側に前記電源装置が配置されており、これらＬＥＤユニットと電源装置の発熱を前記本体に伝熱することを特徴とする。
In order to solve the above-mentioned problem, in the invention according to claim 1, an LED unit serving as a light source, a power supply device for lighting the LED unit, and a heat conductive main body to which the LED unit and the power supply device are attached. In an LED lighting device comprising:
The main body has a disk shape, and a water collecting concave portion is formed on the upper surface portion of the main body with a convex outer edge portion and a central portion, and an LED lighting device is installed in the outer edge portion and the water collecting concave portion. A downward slope is formed toward the mounted part,
The LED unit is disposed on the inner side of the outer edge portion of the main body, and the power supply device is disposed on the inner side of the water collecting recess, and heat generated by the LED unit and the power supply device is transferred to the main body. It is characterized by.
また請求項２の発明にあっては、前記集水凹部における前記被取付部側の端部に排水部を形成したことを特徴とする。 The invention according to claim 2 is characterized in that a drainage portion is formed at an end of the water collecting concave portion on the attached portion side .
また請求項３の発明にあっては、前記排水部は、前記本体の前記外縁部を形成しない解放部分であることを特徴とする。 In the invention of claim 3, the drainage portion is a release portion that does not form the outer edge portion of the main body.
また請求項４の発明にあっては、前記本体の内部側の略中央部に、ＬＥＤ照明装置を設置した直下付近を照射するＬＥＤユニットを配置し、該ＬＥＤユニットの発熱を前記本体に伝熱することを特徴とする。 According to a fourth aspect of the present invention, an LED unit that irradiates the vicinity immediately below where the LED lighting device is installed is disposed at a substantially central portion on the inner side of the main body, and heat generated by the LED unit is transferred to the main body. It is characterized by doing.
本発明の照明器具によれば、排水性と放熱性が良好になり、ＬＥＤ基板や電源基板から伝わってきた照明器具上面の熱により雪を融かし、その雪融け水を照明器具上面に設けられた集水凹部に導引し、集水凹部の端部から平滑に排水するため、照明器具の外周から雪融け水が垂れ落ちて氷柱になることを防止できる。 According to the lighting device of the present invention, drainage and heat dissipation are improved, snow is melted by the heat of the upper surface of the lighting device transmitted from the LED board and the power supply board, and the snow melting water is provided on the upper surface of the lighting device. Since the water is drawn into the water collecting recess and smoothly drained from the end of the water collecting recess, it is possible to prevent the melted snow from dripping from the outer periphery of the lighting fixture to become an icicle.
また、照明器具から放熱される熱を利用して照明器具上部に積もった雪を融かしたり、氷柱の発生を防ぐため、発熱体や雪保持部材等が不要である。 Moreover, since the heat accumulated in the lighting fixture is melted using the heat radiated from the lighting fixture and the generation of icicles is prevented, a heating element, a snow holding member, and the like are unnecessary.
以下に、本発明に係る照明器具の実施形態を図面に基づいて説明する。 Hereinafter, embodiments of a lighting apparatus according to the present invention will be described with reference to the drawings.
図１は本発明に係る照明器具の部品構成図である。図１に示すように、本発明の照明器具は本体１と、この本体１の内部に電源装置５と点灯制御装置６が固定され、それらを保護して覆うインナーカバー３が本体１内部に設けられた固定用ボス（不図示）に螺設されている。そのインナーカバー３を介し、ＬＥＤユニット４１〜４５及び、４２'〜４５'からなり、広範囲に渡って光を照射するＬＥＤユニット群４が本体１の内壁側に固定されている。またＬＥＤユニット４６は、インナーカバー３に設けられたＬＥＤユニット固定部３１に取付けられ、この照明器具の直下付近に光を照射する。本体１の下部には、本体１内部に固定された前記各部材を覆う透光性カバー２が固定される。 FIG. 1 is a component configuration diagram of a lighting fixture according to the present invention. As shown in FIG. 1, the luminaire of the present invention has a main body 1, a power supply device 5 and a lighting control device 6 fixed inside the main body 1, and an inner cover 3 that protects and covers them is provided inside the main body 1. The fixing boss (not shown) is screwed. The LED unit group 4, which includes LED units 41 to 45 and 42 ′ to 45 ′ and irradiates light over a wide range, is fixed to the inner wall side of the main body 1 through the inner cover 3. Moreover, the LED unit 46 is attached to the LED unit fixing part 31 provided in the inner cover 3, and irradiates light directly under the lighting fixture. A translucent cover 2 that covers each of the members fixed inside the main body 1 is fixed to the lower portion of the main body 1.
インナーカバー３は合成樹脂を使用して成形され、３箇所に中空筒状の突状部３ａ、３ｂ（残る１箇所は図１では不図示）が設けられ、それらの底部には固定用のネジが貫通するためのネジ穴（不図示）が設けられており、このネジ穴を用いて、本体１内部に設けられた固定用ボス（不図示）に螺設される。図３（ａ）の断面図に示す通り、インナーカバー３は突状部３ｂを介して本体１の固定用ボス１ｄに螺設され、本体１の内部に固定された電源装置５と点灯制御装置６と、ＬＥＤユニット４１の上部に備えられたコネクタ、さらにそれらを電気的に接続するための配線を覆っている。なお、図３（ａ）を用いた説明では、ＬＥＤユニット４１だけを取り上げているが、照明器具全体としては、各ＬＥＤユニットに設けられたコネクタ（コネクタについては、図５（ｂ）に示すコネクタ４３ｍ、図６に示すコネクタ４６ｍを参照）がインナーカバー３により覆われている。インナーカバー３はコネクタを覆うためＬＥＤユニット４１〜４５及び、４２'〜４５'の照射を妨げることはない。 The inner cover 3 is formed using a synthetic resin, and is provided with hollow cylindrical projections 3a and 3b (the remaining one is not shown in FIG. 1) at three places, and fixing screws are provided at the bottoms thereof. Is provided with a screw hole (not shown) for passing through, and is screwed into a fixing boss (not shown) provided inside the main body 1 using this screw hole. As shown in the cross-sectional view of FIG. 3A, the inner cover 3 is screwed to the fixing boss 1d of the main body 1 via the protruding portion 3b, and the power supply device 5 and the lighting control device fixed inside the main body 1. 6 and the connector provided in the upper part of LED unit 41, and also the wiring for electrically connecting them is covered. In the explanation using FIG. 3A, only the LED unit 41 is taken up. However, as a whole lighting fixture, the connectors (connectors shown in FIG. 5B) provided in the LED units are provided. 43m (refer to the connector 46m shown in FIG. 6) is covered with the inner cover 3. Since the inner cover 3 covers the connector, it does not hinder the irradiation of the LED units 41 to 45 and 42 'to 45'.
図６に示す通り、インナーカバー３の略中央部にＬＥＤユニット４６の取付部３１が設けられており、背面側である取付支柱８（図２、図３）とは反対方向に照射するように傾斜させて形成され、その傾斜部の一端で本体１に固定するための突状部３ａの近くには挿通孔３１ａが設けられている。ＬＥＤユニット４６の基板支持体４６ｃ（基板支持体については後述する）の平板状の支持部４６ｉの一端を略「く」字状に屈曲させ成形した固定部４６ｊは、その挿通孔３１ａを通し本体１に設けられた固定部１１ｆに固定ネジで固定される。 As shown in FIG. 6, the mounting portion 31 of the LED unit 46 is provided at a substantially central portion of the inner cover 3 so that the irradiation is performed in the direction opposite to the mounting column 8 (FIGS. 2 and 3) on the back side. An insertion hole 31a is provided in the vicinity of the protruding portion 3a that is formed to be inclined and is fixed to the main body 1 at one end of the inclined portion. A fixing portion 46j formed by bending one end of a flat plate-like support portion 46i of a substrate support 46c (substrate support will be described later) of the LED unit 46 into a substantially "<" shape, passes through the insertion hole 31a and is a main body. 1 is fixed to a fixing portion 11f provided in 1 with a fixing screw .
ＬＥＤユニット４６のコネクタ４６ｍから電源５に接続される配線は照射方向には出さず、図１に示される挿通孔３１ａを通してインナーカバー３の裏側に引き込むため、ＬＥＤユニット４６の照射を妨げず、美観を損ねることもない。 The wiring connected to the power source 5 from the connector 46m of the LED unit 46 does not go out in the irradiation direction, but is drawn to the back side of the inner cover 3 through the insertion hole 31a shown in FIG. There is no loss.
上記の通り、本体１に取付けられたインナーカバー３は、本体１の内部に固定された電源装置５と点灯制御装置６と、各ＬＥＤユニットの上部に備えられたコネクタ、さらにそれらを電気的に接続するための配線を覆っているので、取付支柱８に本発明の照明器具が取付けられ、それを下から見上げたとき、インナーカバー３によってＬＥＤユニット以外は目視できないので美観を損ねることがない。 As described above, the inner cover 3 attached to the main body 1 includes the power supply device 5 and the lighting control device 6 fixed inside the main body 1, the connectors provided at the top of each LED unit, and further electrically connected to them. Since the wiring for connection is covered, the luminaire of the present invention is mounted on the mounting support column 8, and when looking up from below, the inner cover 3 cannot be seen except for the LED unit, so that the aesthetic appearance is not impaired.
図２は外観斜視図であり、（ａ）は上から見た外観斜視図、（ｂ）は下から見た外観斜視図である。この照明用器具は、本体１の後面に取付けられた取付金具９によって、ポール等の取付支柱８（被取付部）に取付けられる。 FIG. 2 is an external perspective view, (a) is an external perspective view seen from above, and (b) is an external perspective view seen from below. The lighting instrument, the mounting bracket 9 attached to the rear surface of the body 1, is mounted to the mounting post 8 of the pole or the like (attached portion).
本体１は全体が概略半円盤形状であり、熱伝導率の高いアルミニウム等により成形されている。本体１の上部は、図３（ａ）に矢印で示すように、凸状の外縁部１ａが形成され、中央部に集水凹部１ｂが形成されている。これら外縁部１ａ、集水凹部１ｂは、全体が外縁部１ａから背面側である取付支柱８の方向にかけて下り勾配の傾斜で形成され、図３（ｂ）に示すように、漏斗形状に形成されている。また、光源からの照射を妨げないようにＬＥＤユニットが配置されていない集水凹部１ｂの取付支柱８側の端部は、外縁部１ａが形成されることなく解放されており、その解放部分が排水部１ｃとなっている。したがって、外縁部１ａ付近の水は図３（ｂ）に示す矢印のように、集水凹部１ｂに集まり、排水部１ｃから排水されるため、照明器具の外縁部１ａから雨や雪解け水が垂れ落ちることがない。 The main body 1 has a substantially semi-disc shape as a whole and is formed of aluminum or the like having a high thermal conductivity. As shown by an arrow in FIG. 3A, a convex outer edge portion 1a is formed on the upper portion of the main body 1, and a water collecting concave portion 1b is formed in the central portion. The outer edge portion 1a and the water collecting recess portion 1b are formed with a downward slope from the outer edge portion 1a to the mounting column 8 on the back side, and are formed in a funnel shape as shown in FIG. 3 (b). ing. Moreover, the edge part by the side of the attachment support | pillar 8 of the water collection recessed part 1b in which the LED unit is not arrange | positioned so that irradiation from a light source may not be disturb | released without the outer edge part 1a being formed, The release part is It becomes the drainage part 1c. Accordingly, the water in the vicinity of the outer edge portion 1a gathers in the water collecting recess 1b and is drained from the drainage portion 1c as indicated by the arrow shown in FIG. 3 (b), so that rain and snowmelt dripping from the outer edge portion 1a of the lighting fixture. It wo n’t fall.
器具本体１の内面で外縁部1ａの裏面には、図４に示すように、ＬＥＤユニット４１〜４６及び、４２'〜４５'を取付けるためのＬＥＤユニット固定部１１ａ〜１１ｅと１１ｂ'〜１１ｅ'が外縁部１ａに沿って並設されるとともに、略中央部にはＬＥＤユニット４６を取り付けるためのＬＥＤユニット固定部１１ｆが設けられている。これらＬＥＤユニット固定部１１ａ〜１１ｅ、１１ｂ'〜１１ｅ'及び１１ｆは、縦横のリブ材で構成され、所定位置には固定穴１１ｃ'、１１ｃ''が設けられており、器具本体１と一体成形されている。 As shown in FIG. 4, LED unit fixing portions 11 a to 11 e and 11 b ′ to 11 e ′ for attaching LED units 41 to 46 and 42 ′ to 45 ′ are provided on the inner surface of the instrument body 1 on the back surface of the outer edge portion 1 a. Are arranged side by side along the outer edge portion 1a, and an LED unit fixing portion 11f for attaching the LED unit 46 is provided at a substantially central portion. These LED unit fixing portions 11a to 11e, 11b 'to 11e' and 11f are formed of vertical and horizontal rib members, and fixing holes 11c 'and 11c' 'are provided at predetermined positions, and are integrally formed with the instrument body 1. Has been.
図５を用いて、各ＬＥＤユニット４１〜４６及び、４２'〜４５'の構造について説明する。尚、ＬＥＤユニットの構造についての説明は、各ＬＥＤユニットが同じ構造であるため、ＬＥＤユニット４３を代表例として行う。図５（ｂ）は、ＬＥＤユニット４３の部品構成図であり、ＬＥＤ素子１００が実装されたＬＥＤ基板４３ｂは、反射体４３ａと基板支持体４３ｃに挟持され、基板支持体４３ｃの支持部４３ｉに設けられたネジ穴４３ｅからＬＥＤ基板４３ｂのネジ穴４３ｆを介し、反射体４３ａの裏側に設けられたボス４３ｇにネジ４３ｄにより固定される。 The structure of each LED unit 41-46 and 42'-45 'is demonstrated using FIG. Note that the description of the structure of the LED unit will be made using the LED unit 43 as a representative example because each LED unit has the same structure. FIG. 5B is a component configuration diagram of the LED unit 43. The LED substrate 43b on which the LED element 100 is mounted is sandwiched between the reflector 43a and the substrate support 43c, and is supported by the support 43i of the substrate support 43c. The screw 43d is fixed to the boss 43g provided on the back side of the reflector 43a through the screw hole 43f of the LED substrate 43b from the provided screw hole 43e.
反射体４３ａは高反射率の添加材が配合された合成樹脂で成形、または、耐熱性の良好な合成樹脂で成形された後、アルミ蒸着メッキなどのメッキ加工を施し反射率を高められる。反射体４３ａはＬＥＤ基板４３ｂ上に実装された各ＬＥＤ素子１００の発光面が露出するように開口部を有し、各ＬＥＤ素子１００を囲うように回転放物面で形成されている反射部４３ｈを備えている。この反射体４３ａにより、配光が制御されている。 The reflector 43a is molded with a synthetic resin in which an additive having a high reflectance is blended, or is molded with a synthetic resin having good heat resistance, and then subjected to a plating process such as aluminum vapor deposition plating to increase the reflectance. The reflector 43a has an opening so that the light emitting surface of each LED element 100 mounted on the LED substrate 43b is exposed, and the reflector 43h formed of a paraboloid so as to surround each LED element 100. It has. Light distribution is controlled by the reflector 43a.
基板支持体４３ｃは熱伝導率の高いアルミニウム等で造られており、平板状の支持部４３ｉの一端を略「く」字状に屈曲して固定部４３ｊを形成している。固定部４３ｊにはネジ穴４３ｋ、４３ｋ'が設けられ、図４に示すように、器具本体１の内面に設けられたＬＥＤユニット固定部に設けられた固定穴１１ｃ'、１１ｃ''にネジ（図示しない）により固定される。 The substrate support 43c is made of aluminum or the like having a high thermal conductivity, and one end of a flat plate-like support portion 43i is bent into a substantially “<” shape to form a fixed portion 43j. Screw holes 43k and 43k ′ are provided in the fixing portion 43j. As shown in FIG. 4, screws (in the fixing holes 11c ′ and 11c ″ provided in the LED unit fixing portion provided in the inner surface of the fixture body 1 are provided. (Not shown).
器具本体１の内面であり外縁部１ａの裏面に設けられたＬＥＤユニット固定部１１ｃに、ＬＥＤユニット４３が固定されＬＥＤ基板４３ｂに実装された各ＬＥＤ素子１００が点灯し発熱すると、基板支持体４３ｃにその熱が伝導し、更に、ＬＥＤユニット固定部１１ｃに伝導し、最後に器具本体１に伝導する。ＬＥＤユニット群４を構成するＬＥＤ基板４３ｂの他のＬＥＤユニット４１、４２、４２'、４３'、４４、４４'、４５、４５'４６も同様にＬＥＤが点灯時に発熱し、その熱が器具本体１に伝導する。 When the LED unit 100 is fixed to the LED unit fixing part 11c provided on the inner surface of the instrument body 1 and on the back surface of the outer edge part 1a and each LED element 100 mounted on the LED board 43b is lit and generates heat, the board support 43c Then, the heat is conducted to the LED unit fixing part 11c, and finally to the instrument body 1. Similarly, the other LED units 41, 42, 42 ', 43', 44, 44 ', 45, 45'46 of the LED board 43b constituting the LED unit group 4 generate heat when the LEDs are turned on, and the heat is generated from the main body of the instrument. Conducted to 1.
電源装置５は器具本体１の内面の電源装置固定部１１ｇにネジ（図示しない）によって密着して固定される。 The power supply device 5 is fixed in close contact with a power supply device fixing portion 11g on the inner surface of the instrument body 1 with screws (not shown).
器具本体１の内面であり、集水凹部１ｂの裏面の電源装置固定部１１ｇに固定された電源装置５も、ＬＥＤ素子１００へ電力を供給するに伴い発熱し、その熱は器具本体１に伝導する。 The power supply device 5 which is the inner surface of the appliance main body 1 and is fixed to the power supply device fixing portion 11g on the back surface of the water collecting recess 1b also generates heat as power is supplied to the LED element 100, and the heat is conducted to the appliance main body 1. To do.
以上より、器具本体１に雪が積もっている場合、ＬＥＤユニット群４が集水凹部１ｂの外縁部１ａに沿って器具本体１の内部に固定され、電源装置５が集水凹部１ｂの略中央に固定されることで、ＬＥＤユニット群４と電源装置５によって器具本体１の上部である集水凹部１ｂの外縁部１ａも含め略全面を暖められ、外縁部１ａを含め集水凹部１ｂに積もった雪を融かし、その雪融け水は集水凹部１ｂに導引された後、排水部１ｃから排水される。雪融け水は排水部１ｃから平滑に流れ落ち、また、器具本体１がＬＥＤユニットや電源装置からの熱により氷点より高温になっているため、氷柱の発生を防止できる。 As described above, when snow is piled on the instrument main body 1, the LED unit group 4 is fixed inside the instrument main body 1 along the outer edge 1a of the water collecting recess 1b, and the power supply device 5 is located at the approximate center of the water collecting recess 1b. By being fixed, the LED unit group 4 and the power supply device 5 warmed substantially the entire surface including the outer edge 1a of the water collecting recess 1b, which is the upper part of the instrument body 1, and accumulated in the water collecting recess 1b including the outer edge 1a. After melting snow, the melted water is led to the water collecting recess 1b and then drained from the drainage portion 1c. The melted snow flows smoothly from the drainage portion 1c, and the tool body 1 is heated to a temperature higher than the freezing point due to the heat from the LED unit and the power supply device, so that the generation of ice pillars can be prevented.
１ 器具本体
１ａ 外縁部
１ｂ 集水凹部
１ｃ 排水部
１１ａ〜１１ｅ、１１ｂ'〜１１ｅ'、１１ｆ及び１１ｇ ＬＥＤユニット固定部
２ カバー
３ インナーカバー
４ ＬＥＤユニット群
４１〜４６と４２'〜４５' ＬＥＤユニット
５ 電源装置
DESCRIPTION OF SYMBOLS 1 Appliance main body 1a Outer edge part 1b Water collecting recessed part 1c Drain part 11a-11e, 11b'-11e ', 11f and 11g LED unit fixing | fixed part 2 Cover 3 Inner cover 4 LED unit group 41-46 and 42'-45' LED unit 5 Power supply
Claims (4)
前記本体は盤体形状であり、該本体の上面部には凸状の外縁部と中央部に集水凹部が形成されるとともに、これら外縁部と集水凹部には、ＬＥＤ照明装置を設置する被取付部に向かって下り勾配の傾斜が形成され、
前記本体の前記外縁部の内部側に前記ＬＥＤユニットが配置され、前記集水凹部の内部側に前記電源装置が配置されており、これらＬＥＤユニットと電源装置の発熱を前記本体に伝熱することを特徴とするＬＥＤ照明装置。 In an LED lighting device comprising: an LED unit serving as a light source; a power supply device that lights the LED unit; and a heat- conductive body to which the LED unit and the power supply device are attached.
The main body has a disk shape, and a water collecting concave portion is formed on the upper surface portion of the main body with a convex outer edge portion and a central portion, and an LED lighting device is installed in the outer edge portion and the water collecting concave portion. A downward slope is formed toward the mounted part,
The LED unit is disposed on the inner side of the outer edge portion of the main body, and the power supply device is disposed on the inner side of the water collecting recess, and heat generated by the LED unit and the power supply device is transferred to the main body. LED lighting device characterized by this.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04370603A (en) * | 1991-03-04 | 1992-12-24 | Toshiba Lighting & Technol Corp | Lighting fixture |
| JP2012227017A (en) * | 2011-04-20 | 2012-11-15 | Panasonic Corp | Lighting fixture |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04370603A (en) * | 1991-03-04 | 1992-12-24 | Toshiba Lighting & Technol Corp | Lighting fixture |
| JP2012227017A (en) * | 2011-04-20 | 2012-11-15 | Panasonic Corp | Lighting fixture |
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