JP2005071711A - Luminaire - Google Patents

Luminaire Download PDF

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Publication number
JP2005071711A
JP2005071711A JP2003297698A JP2003297698A JP2005071711A JP 2005071711 A JP2005071711 A JP 2005071711A JP 2003297698 A JP2003297698 A JP 2003297698A JP 2003297698 A JP2003297698 A JP 2003297698A JP 2005071711 A JP2005071711 A JP 2005071711A
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Prior art keywords
substrate
emitting diode
light emitting
light
control body
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JP2003297698A
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Japanese (ja)
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Sumio Hashimoto
純男 橋本
Kazuo Egawa
一夫 江川
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Toshiba Lighting and Technology Corp
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Toshiba Lighting and Technology Corp
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  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a luminaire wherein heat from a light emitting diode is easily dissipated and a substrate on which the light emitting diode is disposed can be properly positioned. <P>SOLUTION: This luminaire is equipped with the substrate 1 having the light emitting diode mounted on its front side and a light emitting diode driving circuit provided on its back side; a metallic mounting member 2 mounted to a building while having a first substrate supporting part abutting on the back side of the substrate, a first locking part formed in the substrate supporting part, and a mounting surface facing the building; a light control body 3 having a second substrate supporting part abutting on the front side of the substrate to control light emitted from the light emitting diode; a cover body 4 having a storage part for disposing the light control body and the substrate and a holding part abutting on the periphery of the light control body, wherein a second locking part is engaged with the first locking part, and the substrate is thereby held between the metallic mounting member and the light control body. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、発光ダイオードを使用した照明器具に関する。   The present invention relates to a lighting apparatus using a light emitting diode.

従来のＬＥＤ照明装置としては、図５に示すように、本体１１１は、例えば絶縁性の樹脂成形により、円状の底部１１１ａと、この外周縁から下方に延設された円筒部１１１ｂとを一体に有する形状に形成されている。底部１１１ａには、天井板の孔に通された電源接続線Ｗ１を介してＬＥＤ電源供給部の出力に電気的に接続される接続部１１１ｃが下面中央に設けられているとともに、当該本体１１１を天井板の表面にねじ止め固定するための取付孔１１１ｄが一対接続部１１１ｃの両側に穿設されている。他方、円筒部１１１ｂには、ねじ溝１１１ｅが外周壁に形成されている。   As shown in FIG. 5, as a conventional LED lighting device, a main body 111 is formed by integrating a circular bottom portion 111a and a cylindrical portion 111b extending downward from the outer peripheral edge by, for example, insulating resin molding. It is formed in the shape which has. The bottom portion 111a is provided with a connection portion 111c electrically connected to the output of the LED power supply portion via the power connection line W1 passed through the hole in the ceiling plate, and the main body 111 is attached to the bottom portion 111a. Mounting holes 111d for screwing and fixing to the surface of the ceiling plate are formed on both sides of the pair of connecting portions 111c. On the other hand, a thread groove 111e is formed on the outer peripheral wall of the cylindrical portion 111b.

器具外郭１１２は、例えば絶縁性の樹脂成形により、円状の底部１１２ａと、この外周縁から上方に延設された円筒部１１２ｂとを一体に有する形状に形成されている。底部１１２ａには、円状の孔１１２ｃが中央に穿設されている一方、円筒部１１２ｂには、本体１１１のねじ溝１１１ｅと嵌合するねじ溝１１２ｄが内周壁に形成されている。   The instrument shell 112 is formed into a shape integrally including a circular bottom 112a and a cylindrical portion 112b extending upward from the outer peripheral edge by, for example, insulating resin molding. A circular hole 112c is formed in the center of the bottom portion 112a, while a screw groove 112d that fits into the screw groove 111e of the main body 111 is formed in the inner peripheral wall of the cylindrical portion 112b.

ＬＥＤユニット１１３は、電子部品が実装され本体１１１内に着脱自在に収納される円状の実装基板であり、本体１１１の接続部にコネクタ接続される接続部をＬＥＤユニット１１３の上面中央に備えている。   The LED unit 113 is a circular mounting board on which electronic components are mounted and detachably accommodated in the main body 111. The LED unit 113 includes a connection portion connected to the connection portion of the main body 111 at the center of the upper surface of the LED unit 113. Yes.

レンズ体１１４は、例えば絶縁性の樹脂成形により、円状の底部１１４ａと、この外周縁から上方に延設された円筒部１１４ｂとを一体に有する形状に形成されている。底部１１４ａには、ＬＥＤユニット１１３の一対の孔１１３ｄに嵌入する一対のピン１１４ｃが上方に立設されているほか、ＬＥＤユニット１１３の各ＬＥＤの前方に、ＬＥＤの光を制御するための各レンズ１１４ｄが配置されている。なお、レンズ体１１４も本体１１１内に着脱自在に収納されるようになっている。   The lens body 114 is formed in a shape integrally including a circular bottom 114a and a cylindrical portion 114b extending upward from the outer peripheral edge by, for example, insulating resin molding. On the bottom 114a, a pair of pins 114c that fit into the pair of holes 113d of the LED unit 113 are erected upward, and each lens for controlling the light of the LED in front of each LED of the LED unit 113. 114d is arranged. The lens body 114 is also detachably accommodated in the main body 111.

また、ＬＥＤ照明装置１１の天井板への取り付けについては、まず、本体１１１を各取付孔１１１ｄの位置でねじ止めして本体１１１を天井板の表面に固定する。この後、ＬＥＤユニット１１３の各孔１１３ｄにレンズ体１１４の各ピン１１４ｃを挿入して、ＬＥＤユニット１１３をレンズ体１１４に装着する。そして、ＬＥＤユニット１１３の接続部１１３ａを本体１１１の接続部にコネクタ接続して、ＬＥＤユニット１１３およびレンズ体１１４を本体１１１に収納する。この後、本体１１１のねじ溝１１１ｅに器具外郭１１２のねじ溝１１２ｄをねじ合わせて、器具外郭１１２を本体１１１に取り付けることができる。（例えば、特許文献１参照）。
特開２００２−３０４９０４号公報（第５頁、図１）。 Moreover, about the attachment to the ceiling board of the LED lighting apparatus 11, first, the main body 111 is screwed in the position of each attachment hole 111d, and the main body 111 is fixed to the surface of a ceiling board. Thereafter, each pin 114c of the lens body 114 is inserted into each hole 113d of the LED unit 113, and the LED unit 113 is attached to the lens body 114. Then, the connection portion 113 a of the LED unit 113 is connected to the connection portion of the main body 111 with a connector, and the LED unit 113 and the lens body 114 are accommodated in the main body 111. Thereafter, the instrument shell 112 can be attached to the main body 111 by screwing the thread groove 112d of the instrument shell 112 with the screw groove 111e of the main body 111. (For example, refer to Patent Document 1).
JP 2002-304904 A (page 5, FIG. 1).

しかしながら、ＬＥＤユニット１１３およびレンズ体１１４を本体１１１に収納した場合には、ＬＥＤユニット１１３からの熱が本体１１１内にこもってしまいＬＥＤユニット１１３を構成する基板や樹脂成形されている本体１１１が熱により変形を生じかねない。また、ＬＥＤユニット１１３を構成するＬＥＤから放射される光は指向性があるため、基板が熱により変形したり、基板を収納している本体１１１が変形したりすると、少々の変形でもＬＥＤの指向性が高い分、光の照射位置や照射範囲、配光特性等が変化するおそれがある。   However, when the LED unit 113 and the lens body 114 are housed in the main body 111, heat from the LED unit 113 is trapped in the main body 111, and the substrate constituting the LED unit 113 and the resin-molded main body 111 are heated. May cause deformation. In addition, since the light emitted from the LEDs constituting the LED unit 113 has directivity, if the substrate is deformed by heat or the main body 111 that houses the substrate is deformed, the LED directivity can be changed even with slight deformation. There is a possibility that the light irradiation position, irradiation range, light distribution characteristic, etc. may change due to the high nature.

本発明は、発光ダイオードからの熱を放熱しやすくするとともに、発光ダイオードが配設される基板を適正に位置決めすることができる照明器具を提供することを目的とする。   An object of this invention is to provide the lighting fixture which makes it easy to radiate the heat | fever from a light emitting diode, and can position appropriately the board | substrate with which a light emitting diode is arrange | positioned.

請求項１記載の発明は、前面側に発光ダイオードが実装され、背面側に発光ダイオード駆動回路が配設されてなる基板と；前記基板の背面側に当接する第１の基板支持部、この基板支持部に形成された第１の係止部および造営物に対向する取付面を有し、造営物に取付けられる金属製取付け部材と；前記基板の前面側に当接する第２の基板支持部を有し、前記発光ダイオードから放射される光を制御する制光体と；第２の係止部、前記制光体および基板を配置する収納部ならびに前記制光体の周囲に当接する保持部を有してなり、前記第２の係止部が前記第１の係止部と係合することにより前記基板が金属製取付け部材と制光体によって挟持するカバー体と；を具備していることを特徴とする。   According to the first aspect of the present invention, there is provided a substrate on which a light emitting diode is mounted on the front side and a light emitting diode driving circuit is disposed on the back side; a first substrate support portion that contacts the back side of the substrate; A first attachment portion formed on the support portion and an attachment surface facing the construction object, and a metal attachment member attached to the construction object; a second substrate support part contacting the front side of the substrate; A light-controlling body that controls light emitted from the light-emitting diode; a second locking portion, a housing portion that arranges the light-controlling body and the substrate, and a holding portion that contacts the periphery of the light-controlling body And the second locking portion engages with the first locking portion, so that the substrate includes a metal attachment member and a cover body that is sandwiched between the light control members. It is characterized by.

なお、制光体に設けられる第２の基板支持部は、制光体と一体に形成されていてもよいし、別体であってもよい。   In addition, the 2nd board | substrate support part provided in a light control body may be formed integrally with the light control body, and may be a different body.

請求項２記載の発明は、請求項１記載の照明器具において、前記カバー体に形成された収納部の外側に形成された空間部を有し、前記金属製取付け部材の取付面が空間部に位置していることを特徴とする。   According to a second aspect of the present invention, there is provided the lighting apparatus according to the first aspect, wherein the lighting device has a space portion formed outside a storage portion formed in the cover body, and the mounting surface of the metal mounting member is a space portion. It is located.

なお、取付面の全てが空間部に位置する必要はなく、一部であってもよい。すなわち、発光ダイオードが実装されている基板の熱を空間部に放熱させることができればよい。   Note that it is not necessary that the entire mounting surface is located in the space portion, and a part of the mounting surface may be used. That is, it is only necessary that the heat of the substrate on which the light emitting diode is mounted can be radiated to the space.

請求項１の発明によれば、発光ダイオードの熱は実装されている基板を伝導し、基板に当接している金属製取付け部材の第１の基板支持部から造営物に取付けられている取付面を介して造営物に放熱されるとともに、基板は第１および第２の基板支持部によって挟持されているので通常使用における熱では変形等することがない。したがって、発光ダイオードを実装している基板は適正に支持され、発光ダイオードからの光の照射範囲や配光特性等が変化するおそれがなくなるものである。   According to the first aspect of the present invention, the heat of the light emitting diode is conducted through the mounted substrate, and the mounting surface is attached to the construction from the first substrate support portion of the metal mounting member in contact with the substrate. And the substrate is sandwiched between the first and second substrate support portions, so that it is not deformed by heat during normal use. Therefore, the substrate on which the light emitting diode is mounted is appropriately supported, and there is no possibility that the irradiation range of light from the light emitting diode, the light distribution characteristic, and the like will change.

請求項２の発明によれば、金属製取付け部材によって発光ダイオードが実装されている基板の熱を空間部に放熱させ、カバー体の収納部の空間部の温度差がなくなるようにしているので、基板を収納しているカバー体に熱による変形がしにくくなり、発光ダイオードを実装している基板は適正に支持される。したがって、発光ダイオードからの光の照射範囲や配光特性等が変化するおそれがなくなるものである。   According to the invention of claim 2, since the heat of the substrate on which the light emitting diode is mounted by the metal mounting member is radiated to the space portion, the temperature difference of the space portion of the storage portion of the cover body is eliminated. The cover body housing the substrate is less likely to be deformed by heat, and the substrate on which the light emitting diode is mounted is properly supported. Therefore, there is no possibility of changing the light irradiation range, light distribution characteristics, and the like from the light emitting diode.

本発明の一実施の形態を示す照明器具について、図１〜図４を参照して説明する。図１は、本発明の一実施の形態に係る照明器具の正面図、図２は、同じく背面図、図３は、同じく図１におけるＸ-Ｘ断面図、図４は、同じく金属製取付け部材の正面図である。   The lighting fixture which shows one embodiment of this invention is demonstrated with reference to FIGS. 1 is a front view of a lighting apparatus according to an embodiment of the present invention, FIG. 2 is a rear view of the same, FIG. 3 is a sectional view taken along the line XX in FIG. 1, and FIG. FIG.

図１ないし４に示す照明器具は、基板１、金属製取付け部材２、制光体３およびカバー体４で構成されている。基板１であるプリント配線板の前面側には、発光ダイオード１ａが実装され、背面側には発光ダイオード駆動回路１ｂが配設されている。   1 to 4 includes a substrate 1, a metal mounting member 2, a light control body 3, and a cover body 4. A light emitting diode 1a is mounted on the front side of the printed wiring board as the substrate 1, and a light emitting diode driving circuit 1b is disposed on the back side.

また、金属製取付け部材２は、外形ドーナツ形で熱伝導性のある金属板で形成されている。金属製取付け部材２は、基板１の背面側に当接する第１の基板支持部２ａである立上り片、この基板支持部２ａに形成された第１の係止部２ｂである凸部および造営物（図示しない。）に対向する取付面２ｃで構成されている。そして、この金属製取付け部材２は、天井または壁等の造営物に取付面２ｃを接触させてネジ等により固定される。   Further, the metal mounting member 2 is formed of a metal plate having an outer shape donut shape and heat conductivity. The metal attachment member 2 includes a rising piece that is a first substrate support portion 2a that contacts the back side of the substrate 1, a convex portion that is a first locking portion 2b formed on the substrate support portion 2a, and a structure. It is comprised by the attachment surface 2c facing (not shown). The metal attachment member 2 is fixed by screws or the like with the attachment surface 2c in contact with a construction such as a ceiling or a wall.

制光体３は、基板１の前面側に当接する第２の基板支持部３ａを有し、発光ダイオード１ａから放射される光を制御する。制光体３は、例えば、プリズム、レンズまたは光拡散体等である。   The light control body 3 includes a second substrate support portion 3a that is in contact with the front surface side of the substrate 1, and controls light emitted from the light emitting diode 1a. The light control body 3 is, for example, a prism, a lens, a light diffuser, or the like.

カバー体４は、樹脂で成形されており、第２の係止部４ａ、制光体３および基板１を配置する収納部４ｂならびに制光体３の周囲に当接する保持部４ｃを有している。また、カバー体４に形成された収納部４ｂの外側に形成された空間部４ｄを有し、前記金属製取付け部材の取付面２ｃが空間部４ｄに位置するように構成する。そして、第２の係止部４ａが前記第１の係止部２ｂと係合することにより基板１が金属製取付け部材２と制光体３によって挟持される。   The cover body 4 is formed of a resin, and includes a second locking portion 4a, a storage portion 4b in which the light control body 3 and the substrate 1 are disposed, and a holding portion 4c that comes into contact with the periphery of the light control body 3. Yes. Moreover, it has the space part 4d formed in the outer side of the accommodating part 4b formed in the cover body 4, and it comprises so that the attachment surface 2c of the said metal attachment member may be located in the space part 4d. The substrate 1 is sandwiched between the metal mounting member 2 and the light control body 3 by the second locking portion 4a engaging the first locking portion 2b.

第２の係止部４ａは、収納部４ｂを構成する収納内壁面に一周断面Ｖ字状に形成された周溝４ｂ１とこの溝に直交する方向に形成された縦溝４ｂ２で構成されている。したがって、カバー体４を金属製取付け部材２に固定するには、基板支持部２ａに形成された凸部２ｂを縦溝４ｂ２に挿入し周溝４ｂ１に達するまでカバー体４を金属製取付け部材２に押し込む。周溝４ｂ１に達したら、カバー体を回転させることによって凸部２ｂが周溝４ｂ１に入るようにして、金属製取付け部材２に固定する。   The second locking portion 4a is composed of a circumferential groove 4b1 formed in a V-shaped circular section on the storage inner wall surface constituting the storage portion 4b and a vertical groove 4b2 formed in a direction perpendicular to the groove. . Therefore, in order to fix the cover body 4 to the metal mounting member 2, the convex portion 2b formed on the substrate support portion 2a is inserted into the vertical groove 4b2 and the cover body 4 is fixed to the metal mounting member 2 until the circumferential groove 4b1 is reached. Push into. When the circumferential groove 4b1 is reached, the cover 2 is rotated so that the convex portion 2b enters the circumferential groove 4b1 and is fixed to the metal mounting member 2.

本実施の形態の照明器具によれば、発光ダイオード１ａの熱は、実装されている基板１を伝導し、基板１に当接している金属製取付け部材２の第１の基板支持部１ａから造営物に取付けられている取付面２ａを介して造営物に放熱されるとともに、基板１は第１および第２の基板支持部２ａ，３ａによって挟持されているので通常使用における熱では変形等することがない。   According to the lighting fixture of the present embodiment, the heat of the light emitting diode 1a is conducted from the first substrate support portion 1a of the metal mounting member 2 that conducts the mounted substrate 1 and is in contact with the substrate 1. Heat is dissipated to the construction through the mounting surface 2a attached to the object, and the substrate 1 is sandwiched between the first and second substrate support portions 2a and 3a, so that it is deformed by heat in normal use. There is no.

また、金属製取付け部材２によって発光ダイオード１ａが実装されている基板１の熱を空間部４ｄに放熱させ、カバー体４の収納部４ｂと空間部４ｄの温度差がなくなるようにしている。   In addition, the heat of the substrate 1 on which the light emitting diode 1a is mounted is dissipated to the space portion 4d by the metal mounting member 2, so that the temperature difference between the storage portion 4b of the cover body 4 and the space portion 4d is eliminated.

したがって、発光ダイオード１ａを実装している基板１は適正に支持され、基板変形や位置の変化がなく発光ダイオードからの光の照射範囲や配光特性等が変化するおそれがなくなるものである。   Therefore, the substrate 1 on which the light emitting diode 1a is mounted is properly supported, and there is no possibility of changing the irradiation range of light from the light emitting diode, the light distribution characteristics, etc. without substrate deformation or position change.

本発明の一実施の形態に係る照明器具の正面図。The front view of the lighting fixture which concerns on one embodiment of this invention. 同じく、背面図。Similarly, a rear view. 同じく、図１におけるＸ-Ｘ断面図。Similarly, XX sectional drawing in FIG. 同じく、金属製取付け部材の正面図。Similarly, the front view of a metal attachment member. 従来のＬＥＤ照明装置の分解斜視図。The disassembled perspective view of the conventional LED lighting apparatus.

符号の説明Explanation of symbols

１…基板、２…金属製取付け部材、３…制光体、４…カバー体。 DESCRIPTION OF SYMBOLS 1 ... Board | substrate, 2 ... Metal attachment member, 3 ... Light control body, 4 ... Cover body.

Claims (2)

前面側に発光ダイオードが実装され、背面側に発光ダイオード駆動回路が配設されてなる基板と；
前記基板の背面側に当接する第１の基板支持部、この基板支持部に形成された第１の係止部および造営物に対向する取付面を有し、造営物に取付けられる金属製取付け部材と；
前記基板の前面側に当接する第２の基板支持部を有し、前記発光ダイオードから放射される光を制御する制光体と；
第２の係止部、前記制光体および基板を配置する収納部ならびに前記制光体の周囲に当接する保持部を有してなり、前記第２の係止部が前記第１の係止部と係合することにより前記基板が金属製取付け部材と制光体によって挟持するカバー体と；
を具備していることを特徴とする照明器具。 A substrate having a light emitting diode mounted on the front side and a light emitting diode driving circuit disposed on the back side;
A metal mounting member that has a first substrate support portion that contacts the back side of the substrate, a first locking portion formed on the substrate support portion, and a mounting surface that faces the structure, and is attached to the structure When;
A light control body that has a second substrate support portion in contact with the front side of the substrate and controls light emitted from the light emitting diode;
A second locking portion; a storage portion in which the light control body and the substrate are disposed; and a holding portion in contact with the periphery of the light control body, wherein the second locking portion is the first locking portion. A cover body that is sandwiched between the metal mounting member and the light control body by engaging with the portion;
The lighting fixture characterized by comprising. 前記カバー体に形成された収納部の外側に形成された空間部を有し、前記金属製取付け部材の取付面が空間部に位置していることを特徴とする照明器具。   A lighting apparatus having a space portion formed outside a storage portion formed in the cover body, wherein a mounting surface of the metal mounting member is located in the space portion.
JP2003297698A 2003-08-21 2003-08-21 Luminaire Pending JP2005071711A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007078223A (en) * 2005-09-13 2007-03-29 Matsushita Electric Ind Co Ltd Range hood
JP2008166097A (en) * 2006-12-28 2008-07-17 Toshiba Lighting & Technology Corp Lighting fixture
WO2010095194A1 (en) 2009-02-19 2010-08-26 シャープ株式会社 Illumination device
JP2010258457A (en) * 2009-04-23 2010-11-11 Ipc Korea Co Ltd Light emitting device
US8610165B2 (en) 2010-11-17 2013-12-17 Panasonic Corporation LED light module with heat releasing casing and grooved backing to contain conductive bonding fluids
JP2015187529A (en) * 2014-03-27 2015-10-29 パナソニックＩｐマネジメント株式会社 range hood
WO2016190705A1 (en) * 2015-05-27 2016-12-01 엘지이노텍 주식회사 Light emitting element package, lighting for vehicle, and method for manufacturing same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007078223A (en) * 2005-09-13 2007-03-29 Matsushita Electric Ind Co Ltd Range hood
JP2008166097A (en) * 2006-12-28 2008-07-17 Toshiba Lighting & Technology Corp Lighting fixture
WO2010095194A1 (en) 2009-02-19 2010-08-26 シャープ株式会社 Illumination device
JP2010258457A (en) * 2009-04-23 2010-11-11 Ipc Korea Co Ltd Light emitting device
US8610165B2 (en) 2010-11-17 2013-12-17 Panasonic Corporation LED light module with heat releasing casing and grooved backing to contain conductive bonding fluids
JP2015187529A (en) * 2014-03-27 2015-10-29 パナソニックＩｐマネジメント株式会社 range hood
WO2016190705A1 (en) * 2015-05-27 2016-12-01 엘지이노텍 주식회사 Light emitting element package, lighting for vehicle, and method for manufacturing same

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