JP5351817B2 - lighting equipment - Google Patents

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JP5351817B2
JP5351817B2 JP2010092759A JP2010092759A JP5351817B2 JP 5351817 B2 JP5351817 B2 JP 5351817B2 JP 2010092759 A JP2010092759 A JP 2010092759A JP 2010092759 A JP2010092759 A JP 2010092759A JP 5351817 B2 JP5351817 B2 JP 5351817B2
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heat
heat radiating
substrate
lighting fixture
members
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JP2011222433A (en
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文夫 櫻井
紀久雄 神方
時夫 金澤
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株式会社Tosys
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<P>PROBLEM TO BE SOLVED: To provide a lighting fixture that facilitates assembling and mounting work while reducing power consumption and extending lifetime by employing a light-emitting element as a light source. <P>SOLUTION: The lighting fixture includes: a fixing tool 2 to be fixed to an object X; a base plate 4 having an LED module 11 arranged on one surface; a power supply cable 5 electrically connected with the LED module 11; and a heat-radiating section 6 having a plurality of heat-radiating fins 22 formed therein, with one end fixed on the fixing tool 2 and the other end is fixed to the base plate 4, while absorbing the heat of the heated base plate 4 at the other end and dissipating it from the heat-radiating fins 22. The heat-radiating section 6 is formed by mutually bonding a pair of separable heat-radiating members 21. Recesses 23 constituting an insertion hole H for inserting the power supply cable 5 in a bonded state are formed on each of the surfaces where the pair of heat-radiating members 21 are bonded to each other. <P>COPYRIGHT: (C)2012,JPO&amp;INPIT

Description

本発明は、天井面や梁部材等の取付対象体に取り付け可能に構成された照明器具に関するものである。   The present invention relates to a lighting fixture configured to be attachable to an attachment object such as a ceiling surface or a beam member.
例えば実用新案登録第3154570号公報には、高天井に取り付け可能に構成された各種の照明器具が開示されている。この公報に開示された考案に係る照明器具は、消費電力の低減および長寿命化を目的として、既設の高圧水銀ランプやメタルハライドランプ等のHIDランプを光源とする照明器具(以下、「HID照明器具」ともいう)のランプホルダを利用して、光源としての蛍光灯を有する新たな照明器具本体をランプホルダに取り付ける構成が採用されている。この場合、HID照明器具は、上端部が天井面等に固定されると共にHIDランプ取付け用のランプソケットが下端部に取り付けられたランプホルダと、ランプホルダの下端部に取り付けられたランプセードとを備えている。また、この種のHID照明器具では、上記のランプホルダが、電源線を挿通可能な中空構造に形成されると共に、ランプホルダ内を挿通させられた電源線がランプホルダの下端部においてランプソケットに接続されている。   For example, Utility Model Registration No. 3154570 discloses various types of lighting fixtures that can be attached to a high ceiling. The lighting fixture according to the device disclosed in this publication is a lighting fixture that uses an HID lamp such as an existing high-pressure mercury lamp or metal halide lamp as a light source for the purpose of reducing power consumption and extending the life (hereinafter referred to as “HID lighting fixture”). And a new lighting fixture body having a fluorescent lamp as a light source is attached to the lamp holder. In this case, the HID lighting fixture includes a lamp holder having an upper end fixed to a ceiling surface or the like and a lamp socket for attaching an HID lamp attached to the lower end, and a lamp shade attached to the lower end of the lamp holder. I have. In this type of HID lighting fixture, the lamp holder is formed in a hollow structure through which the power supply line can be inserted, and the power supply line inserted through the lamp holder is connected to the lamp socket at the lower end of the lamp holder. It is connected.
一方、この公報に開示された考案に係る照明器具では、既設のHID照明器具からランプセードおよびランプソケットを取り外して新たな照明器具本体を取り付けるための取付金具をランプホルダの下端部に取り付けると共に、照明器具本体に取り付けられた一対の支持台を取付金具に引っ掛けるようにして係合させることでランプホルダの下端部に照明器具本体が取り付けられる。この場合、既設のランプホルダを利用するこの照明器具では、HID照明器具用の電源線を引き出すための孔を利用して天井裏等から新たな電源線が引き出され、この電源線がランプホルダおよび取付金具を挿通させられて照明器具本体に接続される。これにより、この照明器具では、HID照明器具を蛍光灯式の照明器具に改装する際に、ランプソケットおよびランプセードだけを廃棄してランプホルダを再利用することで、改装に要するコストが低減されている。   On the other hand, in the lighting fixture according to the device disclosed in this publication, a mounting bracket for attaching a new lighting fixture main body by removing the lamp shade and the lamp socket from the existing HID lighting fixture is attached to the lower end of the lamp holder, The luminaire main body is attached to the lower end portion of the lamp holder by engaging the pair of support bases attached to the luminaire main body so as to be hooked on the mounting bracket. In this case, in this lighting apparatus using the existing lamp holder, a new power line is drawn out from the ceiling or the like using a hole for drawing out the power line for the HID lighting apparatus, and the power line is connected to the lamp holder and The mounting bracket is inserted and connected to the luminaire body. As a result, in this lighting fixture, when the HID lighting fixture is converted into a fluorescent-type lighting fixture, the cost required for the retrofit is reduced by discarding only the lamp socket and the lamp shade and reusing the lamp holder. ing.
実用新案登録第3154570号公報(第3−15頁、第1−11図)Utility Model Registration No. 3154570 (page 3-15, Fig. 1-11)
ところが、従来の照明器具には、以下の問題点がある。すなわち、従来の照明器具では、消費電力の低減および長寿命化を目的として、HIDランプや白熱灯と比較して消費電力が小さく、かつ、耐用寿命が長い蛍光灯を有する照明器具本体をランプホルダに取り付ける構成が採用されている。一方、今日では、蛍光灯よりも消費電力がさらに小さく、かつ、耐用寿命もさらに長いLED(発光素子)を光源とする照明器具の開発が進んでいる。この場合、LEDの高輝度化が進む今日では、蛍光灯と同等または蛍光灯を超える輝度の光を照射することが可能となっている。しかしながら、高輝度LEDは、点灯時における発熱量が非常に大きく、長時間に亘って高温に晒されたときに耐用寿命が著しく低下することが知られている。したがって、光源として高輝度LEDを採用する照明器具においては、点灯時におけるLEDの冷却が必須の構成要素となる。   However, the conventional lighting fixture has the following problems. That is, in the conventional lighting fixture, for the purpose of reducing the power consumption and extending the life, the lighting fixture body having a fluorescent lamp that has a lower power consumption and a longer service life compared to an HID lamp or an incandescent lamp is used as a lamp holder. The configuration to be attached to is adopted. On the other hand, nowadays, development of lighting fixtures using LEDs (light emitting elements) as light sources, which consume less power than fluorescent lamps and have a longer useful life. In this case, as the brightness of LEDs is increasing, it is possible to irradiate light having a luminance equivalent to or exceeding that of a fluorescent lamp. However, it is known that a high-brightness LED has a very large amount of heat generated when it is turned on, and its useful life is significantly reduced when exposed to a high temperature for a long time. Therefore, in a lighting fixture that employs a high-intensity LED as a light source, cooling of the LED during lighting is an essential component.
例えば、特開2009−218209号公報に開示されているLED照明器具では、LEDが実装された基板の裏面側に放熱部材を取り付けて、点灯時における基板(LED)の過度な温度上昇を回避する構成が採用されている。この場合、このLED照明器具の放熱部材は、電源線等を挿通させるホール(挿通孔)が形成された円筒状ブロックの周囲に放熱用のフィン(放熱ピン)が設けられている。これにより、このLED照明器具では、点灯時におけるLEDの発熱によって温度上昇させられた基板の熱が放熱部材によって吸熱されて大気に放熱される結果、LEDの耐用寿命が著しく低下する事態が回避される。   For example, in the LED lighting apparatus disclosed in Japanese Patent Laid-Open No. 2009-218209, a heat radiating member is attached to the back side of the board on which the LED is mounted to avoid an excessive temperature rise of the board (LED) during lighting. Configuration is adopted. In this case, the heat dissipating member of the LED lighting apparatus is provided with heat dissipating fins (heat dissipating pins) around a cylindrical block in which a hole (insertion hole) for inserting a power supply line or the like is formed. As a result, in this LED lighting apparatus, a situation in which the service life of the LED is significantly reduced as a result of the heat of the substrate raised by the heat generated by the LED during lighting being absorbed by the heat radiating member and radiated to the atmosphere is avoided. The
しかしながら、従来の照明器具における蛍光灯式の照明器具本体に代えてこのLED照明器具をランプホルダに取り付けようとしたときには、ランプホルダを挿通させるようにして天井裏から引き出されている電源線を基板に接続するために、基板から放熱部材を取り外した状態において、放熱部材のホールに電源線を挿通させ、その状態の電源線を基板に半田付けまたは端子のネジ止め等によって接続した後に、基板に放熱部材を固定する作業を実施する必要がある。この場合、高天井取付け用の照明器具のように大きな輝度を必要とする照明器具において光源としてLEDを採用する場合には、十分な放熱量を確保するために、非常に大きな放熱部材を取り付ける必要がある。したがって、従来の照明器具において照明器具本体としてLED照明器具を採用した場合には、大きく重い放熱部材を持ちながら電源線を挿通させる作業が煩雑であると共に、その状態の電源線を基板に接続する作業が非常に煩雑であるという問題が生じる。   However, when this LED lighting fixture is to be attached to the lamp holder in place of the fluorescent lamp-type lighting fixture main body in the conventional lighting fixture, the power line drawn out from the back of the ceiling so as to be inserted through the lamp holder is a substrate. In the state where the heat radiating member is removed from the board, the power line is inserted into the hole of the heat radiating member, and the power line in that state is connected to the board by soldering or screwing the terminal. It is necessary to carry out an operation of fixing the heat radiating member. In this case, when an LED is used as a light source in a luminaire that requires high brightness, such as a luminaire for mounting on a high ceiling, it is necessary to attach a very large heat radiating member to ensure a sufficient amount of heat radiation. There is. Therefore, when the LED lighting fixture is adopted as the lighting fixture main body in the conventional lighting fixture, the operation of inserting the power supply line while having a large and heavy heat radiating member is complicated, and the power supply line in that state is connected to the substrate. There arises a problem that the work is very complicated.
本発明は、かかる問題点に鑑みてなされたものであり、光源として発光素子を採用することで消費電力の低減や長寿命化を図りつつ、組立て作業や取付け作業を容易に実行し得る照明器具を提供することを主目的とする。   The present invention has been made in view of such problems, and a lighting apparatus that can easily perform assembly work and mounting work while reducing power consumption and extending the life by adopting a light emitting element as a light source. The main purpose is to provide
上記目的を達成すべく、請求項1記載の照明器具は、取付対象体に固定するための固定具と、一方の面に発光素子が配設された基板と、前記発光素子に対して電気的に接続された電源ケーブルと、複数の放熱フィンが形成されると共に一端部が前記固定具に固定され、かつ他端部に前記基板が固定されて、温度上昇した当該基板の熱を当該他端部において吸熱して当該各放熱フィンから放熱する放熱部とを備え、前記放熱部は、互いに等しい形状に形成されると共に分離可能な一対の第1放熱用部材、および当該両第1放熱用部材とは別個に前記基板における他方の面に固定された第2放熱用部材を備えて構成され、前記一対の第1放熱用部材の互いに接合される各接合面には、接合状態において前記電源ケーブルを挿通させる挿通孔を構成する凹部がそれぞれ形成され、前記第2放熱用部材は、前記第1放熱用部材と等しい形状に形成されている。 In order to achieve the above object, a lighting fixture according to claim 1 is a fixture for fixing to a mounting object, a substrate having a light-emitting element disposed on one surface thereof, and an electrical connection to the light-emitting element. A power cable connected to the base plate, a plurality of heat dissipating fins are formed, one end is fixed to the fixture, and the substrate is fixed to the other end, and the heat of the substrate that has risen in temperature is transferred to the other end And a pair of first heat radiating members formed in the same shape and separable from each other , and both the first heat radiating members. And a second heat radiating member fixed to the other surface of the substrate separately from each other, and the power supply cable in a joined state on each joint surface of the pair of first heat radiating members. Configures an insertion hole for inserting That recesses are respectively formed, the second heat radiating member is formed in a shape equal to the first heat radiating member.
請求項1記載の照明器具によれば、取付対象体に固定するための固定具と、一方の面に発光素子が配設された基板と、発光素子に対して電気的に接続された電源ケーブルと、複数の放熱フィンが形成されると共に一端部が固定具に固定されて、温度上昇した基板の熱を他端部において吸熱して各放熱フィンから放熱する放熱部とを備えると共に、分離可能な一対の第1放熱用部材を互いに接合して放熱部を構成し、かつ、一対の第1放熱用部材の互いに接合される各接合面の少なくとも一方に、接合状態において電源ケーブルを挿通させる挿通孔を構成する凹部を形成したことにより、基板(発光素子)に電源ケーブルを接続した後に、両第1放熱用部材を接合して放熱部を形成して、その下端部に基板を固定することができる。したがって、十分な放熱量を確保するために放熱部を大きく構成した場合においても、大きな放熱部を持たずに基板に電源ケーブルを接続することができるため、消費電力の低減や長寿命化を図り得る発光素子を光源として備えた照明器具を容易に組み立てる(容易に取り付ける)ことができる。   According to the luminaire of claim 1, a fixture for fixing to a mounting object, a substrate having a light emitting element disposed on one surface, and a power cable electrically connected to the light emitting element And a plurality of radiating fins and one end portion is fixed to the fixture, and a heat radiating portion that absorbs heat at the other end portion to dissipate heat from the radiating fins and is separable A pair of first heat radiating members joined together to constitute a heat radiating portion, and at least one of the joint surfaces of the pair of first heat radiating members joined to each other is inserted into the power cable in the joined state By forming the recess that forms the hole, after connecting the power cable to the substrate (light emitting element), the first heat radiating member is joined to form the heat radiating portion, and the substrate is fixed to the lower end portion thereof. Can do. Therefore, even when the heat dissipation part is made large to ensure a sufficient amount of heat dissipation, the power cable can be connected to the board without having a large heat dissipation part, thus reducing power consumption and extending the service life. It is possible to easily assemble (easily attach) a lighting fixture including the light emitting element to be obtained as a light source.
また、一対の第1放熱用部材の各接合面に凹部をそれぞれ形成して、両第1放熱用部材を互いに等しい形状に形成したことにより、一対の第1放熱用部材として互いに相違する形状の2種類の放熱用部材を接合して放熱部を構成するのとは異なり、複数の照明器具を組み立てるために2組以上の第1放熱用部材が用意されている場合においても、互いに接合させる第1放熱用部材の組み合わせを考慮することなく、任意の2つの第1放熱用部材を手に持って接合するだけで放熱部を形成することができるため、照明器具を一層容易に組み立てることができるだけでなく、1種類の第1放熱用部材を2つ製造することで放熱部を構成することができるため、放熱部の製造コストを十分に低減することができる。 In addition , by forming a recess on each joint surface of the pair of first heat radiating members and forming the first heat radiating members in the same shape, the pair of first heat radiating members have different shapes. Unlike the case where two types of heat dissipating members are joined to form the heat dissipating part, even when two or more sets of first heat dissipating members are prepared for assembling a plurality of lighting fixtures, the first part to be joined to each other. Without considering the combination of 1 heat radiating member, it is possible to form a heat radiating portion by simply holding and joining any two first heat radiating members, so that it is possible to assemble a lighting fixture more easily. In addition, since the heat radiating portion can be configured by manufacturing two types of first heat radiating members, the manufacturing cost of the heat radiating portion can be sufficiently reduced.
さらに、両第1放熱用部材とは別個に基板における他方の面に固定した第2放熱用部材を備えて放熱部を構成したことにより、基板の大きさに応じて第1放熱用部材の大きさを変更した構成(すなわち、第1放熱用部材の重量が、固定する基板の大きさに応じて増加する構成)と比較して、第1放熱用部材の1つ当りの重量を十分に軽量化することができるため、基板に固定する第2放熱用部材の数を任意に増やすことで十分な放熱量を確保しつつ、照明器具を容易に組み立てることができる。 Further , the second heat radiating member fixed to the other surface of the substrate separately from both the first heat radiating members is provided to constitute the heat radiating portion, so that the size of the first heat radiating member is increased according to the size of the substrate. Compared to a configuration with a changed thickness (that is, a configuration in which the weight of the first heat radiation member increases according to the size of the substrate to be fixed), the weight per one first heat radiation member is sufficiently light. Therefore, it is possible to easily assemble the lighting fixture while securing a sufficient heat radiation amount by arbitrarily increasing the number of second heat radiation members fixed to the substrate.
また、第1放熱用部材および第2放熱用部材を互いに等しい形状に形成したことにより、第1放熱用部材および第2放熱用部材として互いに相違する形状の2種類の放熱用部材によって放熱部を構成するのとは異なり、複数の照明器具を組み立てるために2組以上の両放熱用部材が用意されている場合においても、1つの照明器具を組み立てるのに使用する放熱用部材の組み合わせを考慮することなく、任意の数の放熱用部材を順に手に持って固定するだけで放熱部を形成することができるため、照明器具を一層容易に組み立てることができるだけでなく、1種類の放熱用部材を必要数製造することで放熱部を構成することができるため、放熱部の製造コストを十分に低減することができる。 Further , since the first heat radiating member and the second heat radiating member are formed in the same shape, the heat radiating portion is formed by two types of heat radiating members having different shapes as the first heat radiating member and the second heat radiating member. Unlike the construction, even when two or more sets of both heat radiating members are prepared to assemble a plurality of lighting fixtures, the combination of the heat radiating members used to assemble one lighting fixture is considered. Therefore, the heat radiating part can be formed by simply holding and fixing any number of heat radiating members in order, so that it is possible not only to assemble the lighting fixture more easily, but also to use one type of heat radiating member. Since the heat radiating portion can be configured by manufacturing the required number, the manufacturing cost of the heat radiating portion can be sufficiently reduced.
照明器具1の断面図である。1 is a cross-sectional view of a lighting fixture 1. FIG. LEDモジュール11の実装面側から見た基板4の平面図である。FIG. 4 is a plan view of the substrate 4 as viewed from the mounting surface side of the LED module 11. 図1におけるA−A線断面図である。It is the sectional view on the AA line in FIG. 照明器具1の組立て方法について説明するための断面図である。It is sectional drawing for demonstrating the assembly method of the lighting fixture. 他の実施の形態に係る照明器具1Aの照明器具本体3aにおける放熱部6aの断面図である。It is sectional drawing of the thermal radiation part 6a in the lighting fixture main body 3a of the lighting fixture 1A which concerns on other embodiment. さらに他の実施の形態に係る照明器具1Bの断面図である。It is sectional drawing of the lighting fixture 1B which concerns on other embodiment.
以下、添付図面を参照して、本発明に係る照明器具の実施の形態について説明する。   Embodiments of a lighting fixture according to the present invention will be described below with reference to the accompanying drawings.
図1に示す照明器具1は、天井面や梁部材等の取付対象体Xに取り付けられる吊下げ型照明器具の一例であって、光源として発光素子(LED)が採用されている。この照明器具1は、固定具2および照明器具本体3を備え、照明器具本体3は、基板4、電源ケーブル5、放熱部6、セード7および拡散板8を備えている。固定具2は、照明器具1を取付対象体Xに固定するための部材であって、特に限定されるものではないが、従来の照明器具において利用しているランプホルダと同様に構成されている。具体的には、固定具2は、一例として、取付対象体Xに固定されるベース部2aと、照明器具本体3を取り付けるための取付部2cとが軸部2bによって連結されると共に、全体として、電源ケーブル5を挿通可能な中空構造に形成されている。   A lighting fixture 1 shown in FIG. 1 is an example of a hanging type lighting fixture that is attached to an attachment target body X such as a ceiling surface or a beam member, and a light emitting element (LED) is employed as a light source. The luminaire 1 includes a fixture 2 and a luminaire body 3, and the luminaire body 3 includes a substrate 4, a power cable 5, a heat radiating unit 6, a shade 7, and a diffusion plate 8. The fixture 2 is a member for fixing the lighting fixture 1 to the attachment object X, and is not particularly limited, but is configured in the same manner as a lamp holder used in a conventional lighting fixture. . Specifically, as an example, the fixture 2 includes, as an example, a base portion 2a fixed to the attachment target body X and an attachment portion 2c for attaching the luminaire main body 3 connected by a shaft portion 2b. A hollow structure through which the power cable 5 can be inserted is formed.
基板4は、図2に示すように、一例として、アルミニウム合金等の高熱伝導性金属材料で円板状に形成されている。なお、基板4については、上記のようにアルミニウム合金等の金属板で構成したものに限定されず、各種のプリント基板(一例として、ガラスエポキシ基板やアルミベース基板等)で構成することもできる。この基板4には、一方の面(照明器具1を取付対象体Xから吊り下げた際に下向きとなる面:実装面)に、複数のLEDモジュール11が配設されると共に、放熱部6に基板4を固定するためのネジ孔12や、拡散板8を取り付けるためのネジ孔13が形成されている。この場合、この照明器具1では複数の白色高輝度LED(発光素子)が直列接続されてモジュール化された状態で基板4に配設されている。また、各LEDモジュール11は、基板4上において直列接続されている。電源ケーブル5は、その一端部が天井裏等において図示しないコントローラ(電源装置)に接続されると共に、その他端部が基板4に配設された各LEDモジュール11に接続されている。   As shown in FIG. 2, the substrate 4 is formed in a disk shape from a highly heat conductive metal material such as an aluminum alloy as an example. In addition, about the board | substrate 4, it is not limited to what was comprised with metal plates, such as an aluminum alloy as mentioned above, It can also comprise with various printed circuit boards (a glass epoxy board | substrate, an aluminum base board | substrate etc. as an example). A plurality of LED modules 11 are disposed on one surface of the substrate 4 (a surface that faces downward when the lighting fixture 1 is suspended from the attachment object X: a mounting surface), and the heat radiating unit 6 A screw hole 12 for fixing the substrate 4 and a screw hole 13 for attaching the diffusion plate 8 are formed. In this case, in this lighting fixture 1, a plurality of white high-intensity LEDs (light emitting elements) are connected in series and arranged on the substrate 4 in a modular state. Each LED module 11 is connected in series on the substrate 4. One end of the power cable 5 is connected to a controller (power supply device) (not shown) in the back of the ceiling and the other end is connected to each LED module 11 disposed on the substrate 4.
放熱部6は、図1に示すように、一端部(同図において上側の端部)が固定具2(取付部2c)に固定され、かつ他端部(同図において下側(基板4側)の端部)に基板4が固定されて、基板4を保持しつつ、LEDモジュール11の点灯時における発熱によって温度上昇した基板4の熱を吸熱して後述する各放熱フィン22から放熱可能に構成されている。この放熱部6は、図3に示すように、アルミニウム合金等の高熱伝導性金属材料で分離可能に形成された一対の放熱用部材21,21を備えて構成されている。放熱用部材21は、「第1放熱用部材」に相当し、一例として、照明器具1の上下方向に沿って長い平板状の複数の放熱フィン22が水平方向に沿って並んで形成されると共に、各LEDモジュール11に接続された電源ケーブル5を後述の挿通孔Hに挿通した状態で互いに接合可能に構成されている。また、この放熱部6では、両放熱用部材21の互いに接合される接合面に、電源ケーブル5を挿通させる挿通孔Hを構成する凹部23がそれぞれ形成されている(一対の第1放熱用部材の双方に、挿通孔を構成する凹部を形成した構成の例)。   As shown in FIG. 1, the heat dissipating part 6 has one end (upper end in the figure) fixed to the fixture 2 (mounting part 2c) and the other end (lower side (substrate 4 side in the figure)). ), The substrate 4 is fixed, and while the substrate 4 is held, the heat of the substrate 4 that has risen due to the heat generated when the LED module 11 is turned on is absorbed, and heat can be radiated from each radiation fin 22 described later. It is configured. As shown in FIG. 3, the heat dissipating part 6 includes a pair of heat dissipating members 21 and 21 formed so as to be separable from a highly heat conductive metal material such as an aluminum alloy. The heat dissipating member 21 corresponds to a “first heat dissipating member”, and as an example, a plurality of long plate-shaped heat dissipating fins 22 along the vertical direction of the lighting fixture 1 are formed side by side along the horizontal direction. The power cables 5 connected to the LED modules 11 are configured to be joined to each other in a state where the power cables 5 are inserted into insertion holes H described later. Moreover, in this heat radiating part 6, the recessed part 23 which comprises the penetration hole H which penetrates the power cable 5 is each formed in the joining surface where both the heat radiating members 21 are mutually joined (a pair of 1st heat radiating member) The example of the structure which formed the recessed part which comprises an insertion hole in both of these.
この場合、この照明器具1では、一対の放熱用部材21,21が互いに等しい形状に形成されている。言い換えれば、この照明器具1では、形状や大きさなどが互いに等しい1種類の放熱用部材21を2つ接合することで上記の放熱部6が構成されている。また、この照明器具1では、一例として、放熱部6における水平方向の断面形状が略方形状となり、かつ、水平方向の断面における一辺の長さが基板4の直径とほぼ同じ長さとなるように両放熱用部材21,21がそれぞれ形成されて、放熱部6が全体として角柱状に形成されている。この場合、放熱部6の断面形状は方形に限定されず、方形以外の四角形、三角形、および五角形以上の多角形や、円形または楕円形とすることができる。   In this case, in this lighting fixture 1, the pair of heat-dissipating members 21 and 21 are formed in the same shape. In other words, in this lighting fixture 1, the heat radiating section 6 is configured by joining two types of heat radiating members 21 having the same shape and size. Further, in this lighting fixture 1, as an example, the horizontal cross-sectional shape of the heat radiating portion 6 is substantially rectangular, and the length of one side of the horizontal cross-section is substantially the same as the diameter of the substrate 4. Both heat radiating members 21 and 21 are formed, and the heat radiating portion 6 is formed in a prismatic shape as a whole. In this case, the cross-sectional shape of the heat radiating portion 6 is not limited to a square, and may be a quadrilateral other than a square, a triangle, a polygon more than a pentagon, a circle, or an ellipse.
さらに、この照明器具1では、両放熱用部材21,21の間に形成される挿通孔Hが基板4の中央部に位置するようにして放熱部6に基板4が固定される構成が採用されている。また、この照明器具1では、放熱部6による基板4からの吸熱効率を向上させるために、図1に示すように、基板4と放熱部6(放熱用部材21,21)との間に熱伝導シート9が挟み込まれている。なお、熱伝導シート9を挟み込む構成に代えて、基板4と放熱部6との当接面にシリコングリス等の伝熱剤を塗布する構成を採用することもできるし、基板4および放熱部6の両当接面を十分に平坦に加工して双方が密着するよう形成することで熱伝導シート9や伝熱剤を不要とすることもできる。   Furthermore, in this lighting fixture 1, the structure by which the board | substrate 4 is fixed to the thermal radiation part 6 is employ | adopted so that the penetration hole H formed between both the heat radiating members 21 and 21 may be located in the center part of the board | substrate 4. ing. Moreover, in this lighting fixture 1, in order to improve the heat absorption efficiency from the board | substrate 4 by the thermal radiation part 6, as shown in FIG. 1, it is between a board | substrate 4 and the thermal radiation part 6 (heat radiating member 21,21). A conductive sheet 9 is sandwiched. Instead of the configuration in which the heat conductive sheet 9 is sandwiched, a configuration in which a heat transfer agent such as silicon grease is applied to the contact surface between the substrate 4 and the heat radiating portion 6 can be adopted. It is possible to eliminate the need for the heat conductive sheet 9 and the heat transfer agent by processing both of the contact surfaces sufficiently flat so that the two come into close contact with each other.
セード7は、一例として、アルミニウム合金等の軽量金属材料で反射板を兼ねて傘状に形成されている。この場合、特に限定されるものではないが、セード7は、従来のHID照明器具におけるランプセードと同様に構成されている。なお、セード7については、アルミニウム合金等の軽量金属材料で形成したものに限定されず、鉄板やステンレススチール等の金属材料で形成したものや、各種樹脂材料で形成したものを採用することができる。また、この照明器具1では、セード7を備えて照明器具本体3が構成されているが、発光素子(LED)を光源とする照明器具においては、このセード7を不要とすることもできる。拡散板8は、各LEDモジュール11から照射された光を拡散させるための板体であって、一例として、光透過性を有する樹脂材料によって円板状に形成されたレンズ式拡散板で構成されている。この場合、レンズ式拡散板に代えて、例えば、乳白色の樹脂材料で平板状に形成した拡散板を採用することもできる。また、基板4に配設するLEDモジュール自体に拡散用のレンズが配設されている場合には、この拡散板8を不要とすることもできる。   As an example, the shade 7 is made of a light metal material such as an aluminum alloy and serves as a reflector to form an umbrella shape. In this case, although not particularly limited, the shade 7 is configured similarly to the lamp shade in the conventional HID lighting fixture. The shade 7 is not limited to a light metal material such as an aluminum alloy, but can be formed of a metal material such as an iron plate or stainless steel, or a resin material. . Moreover, in this lighting fixture 1, although the lighting fixture main body 3 is comprised including the shade 7, this shade 7 can also be made unnecessary in the lighting fixture which uses a light emitting element (LED) as a light source. The diffusing plate 8 is a plate for diffusing the light emitted from each LED module 11, and as an example, the diffusing plate 8 is configured by a lens-type diffusing plate formed in a disk shape from a light-transmitting resin material. ing. In this case, instead of the lens-type diffusion plate, for example, a diffusion plate formed in a flat plate shape with a milky white resin material may be employed. Further, when a diffusion lens is disposed on the LED module itself disposed on the substrate 4, the diffusion plate 8 can be omitted.
次に、照明器具1の組立て方法、および取付対象体Xに対する取付け方法について、図面を参照して説明する。なお、基板4に対する各LEDモジュール11の実装については、組立て作業の開始に先立って、既に完了しているものとする。   Next, the assembly method of the lighting fixture 1 and the attachment method with respect to the attachment object X are demonstrated with reference to drawings. It is assumed that the mounting of each LED module 11 on the substrate 4 has already been completed prior to the start of assembly work.
この照明器具1の組立てに際しては、図4に示すように、まず、固定具2に挿通させた状態における電源ケーブル5の一端部を基板4(LEDモジュール11)に接続する。この場合、各LEDモジュール11に電源ケーブル5を接続するための構成としては、LEDモジュール11の接続端子に電源ケーブル5を半田付けする構成に限定されず、電源ケーブル5の端部に予め取り付けておいた接続端子を基板4におけるケーブル接続部にネジ止めする構成(図示せず)や、電源ケーブル5の端部および基板4に予め取り付けておいた接続用コネクタを相互に接続する構成(図示せず)などの各種の構成を採用することができる。この際には、上記のいずれの構成を採用した場合においても、放熱部6(放熱用部材21,21)を持たずに電源ケーブル5の端部を基板4に接続することができる。   When the lighting fixture 1 is assembled, as shown in FIG. 4, first, one end of the power cable 5 inserted in the fixture 2 is connected to the substrate 4 (LED module 11). In this case, the configuration for connecting the power cable 5 to each LED module 11 is not limited to the configuration in which the power cable 5 is soldered to the connection terminal of the LED module 11, and is attached to the end of the power cable 5 in advance. A configuration (not shown) in which the connected connection terminal is screwed to the cable connection portion in the substrate 4, and a configuration in which the end portion of the power cable 5 and the connection connector previously attached to the substrate 4 are connected to each other (not shown). Etc.) can be adopted. In this case, the end portion of the power cable 5 can be connected to the substrate 4 without having the heat radiating portion 6 (heat radiating members 21, 21) regardless of which of the above configurations is employed.
なお、同図では、基板4にセード7が既に取り付けられた状態を図示しているが、このセード7については、後述するように、基板4に拡散板8を取り付ける前であれば、任意の時点において基板4に取り付けることができる。次いで、凹部23が形成されている面を対向させた両放熱用部材21,21を矢印Bで示すように相互に接近させて、両凹部23,23によって形成される挿通孔Hに電源ケーブル5を挿通させるようにして両者を接合させる。この際には、図3に示すように、挟み込んだ電源ケーブル5が両凹部23によって形成される挿通孔H内を挿通させられるように両放熱用部材21,21を接合させる。これにより、両放熱用部材21,21が互いに接合して(一体化して)放熱部6が形成される。続いて、一例として、放熱部6に基板4を図4に矢印Cで示すように接近させて、各ネジ孔12を挿通させた固定用ネジを放熱部6(放熱用部材21,21)に締め付けることにより、放熱部6の下端部に基板4を固定する。これにより、基板4と放熱部6とが一体化する。   In the figure, a state in which the shade 7 has already been attached to the substrate 4 is shown. However, as will be described later, the shade 7 can be arbitrarily set as long as it is before the diffusion plate 8 is attached to the substrate 4. At this point, it can be attached to the substrate 4. Next, the heat radiating members 21, 21 facing the surface where the recess 23 is formed are brought close to each other as indicated by an arrow B, and the power cable 5 is inserted into the insertion hole H formed by the both recesses 23, 23. The two are joined so as to be inserted. At this time, as shown in FIG. 3, the heat radiation members 21 and 21 are joined so that the sandwiched power cable 5 can be inserted through the insertion hole H formed by the concave portions 23. Thereby, both the heat radiating members 21 and 21 are joined (integrated) to each other to form the heat radiating portion 6. Subsequently, as an example, the board 4 is brought close to the heat radiating portion 6 as indicated by an arrow C in FIG. 4, and fixing screws inserted through the screw holes 12 are connected to the heat radiating portion 6 (heat radiating members 21, 21). By fastening, the board | substrate 4 is fixed to the lower end part of the thermal radiation part 6. FIG. Thereby, the board | substrate 4 and the thermal radiation part 6 are integrated.
次いで、一例として、基板4と一体化した放熱部6を固定具2に向けて矢印Dで示すように接近させて、固定具2の取付部2cに形成された各ネジ孔(図示せず)を挿通させた固定用ネジを放熱部6に締め付ける。これにより、固定具2の下端部に放熱部6が固定されて、固定具2、基板4および放熱部6が一体化される。続いて、矢印Eで示すように、拡散板8を基板4に向けて接近させて基板4のネジ孔12にネジ止めする。これにより、照明器具1の組立て作業が完了する。この後、固定具2のベース部2aを取付対象体Xにネジ止めすると共に、電源ケーブル5の他端部を図示しないコントローラ(電源装置)に接続することにより、取付対象体Xに対する照明器具1の取付け作業が完了する。   Next, as an example, each of the screw holes (not shown) formed in the attachment portion 2c of the fixture 2 by bringing the heat radiating portion 6 integrated with the substrate 4 toward the fixture 2 as shown by the arrow D. The fixing screw through which is inserted is tightened to the heat radiating section 6. Thereby, the heat radiation part 6 is fixed to the lower end part of the fixture 2, and the fixture 2, the board | substrate 4, and the heat radiation part 6 are integrated. Subsequently, as indicated by an arrow E, the diffusion plate 8 is approached toward the substrate 4 and screwed into the screw hole 12 of the substrate 4. Thereby, the assembly work of the lighting fixture 1 is completed. Thereafter, the base part 2a of the fixture 2 is screwed to the attachment object X, and the other end of the power cable 5 is connected to a controller (power supply device) (not shown), whereby the luminaire 1 for the attachment object X is obtained. The installation work is completed.
なお、固定具2と照明器具本体3とを一体化した後に取付対象体Xに照明器具1を取り付ける方法について説明したが、この照明器具1では、例えば、従来の照明器具のように、既設のHID照明器具におけるランプホルダを固定具2に代えて再利用する場合においても上記の組立て方法と同様の手順に従って照明器具1を組み立てることができる。具体的には、まず、既設のランプホルダに挿通させられている電源ケーブル5を基板4(LEDモジュール11)に接続する。この際には、上記の組立て方法と同様にして、放熱部6(放熱用部材21,21)を持たずに電源ケーブル5の端部を基板4(LEDモジュール11)に接続することができる。次いで、凹部23が形成されている面を対向させた両放熱用部材21,21を相互に接近させて、両凹部23,23によって形成される挿通孔Hに電源ケーブル5を挿通させるようにして両者を接合させることで放熱部6を形成する。続いて、放熱部6に基板4を固定すると共に、基板4と一体化した放熱部6を固定具2としてのランプホルダに固定した後に、拡散板8を基板4にネジ止めする。これにより、照明器具1の組立て作業(取付け作業)が完了する。   In addition, although the method to attach the lighting fixture 1 to the attachment object X after integrating the fixture 2 and the lighting fixture main body 3 was demonstrated, in this lighting fixture 1, for example like the conventional lighting fixture, existing installation is carried out. Even when the lamp holder in the HID lighting fixture is reused instead of the fixture 2, the lighting fixture 1 can be assembled according to the same procedure as the above assembling method. Specifically, first, the power cable 5 inserted through the existing lamp holder is connected to the substrate 4 (LED module 11). In this case, the end of the power cable 5 can be connected to the substrate 4 (LED module 11) without having the heat radiating portion 6 (heat radiating members 21, 21) in the same manner as in the above assembly method. Next, the heat radiating members 21, 21 facing the surface where the recess 23 is formed are brought close to each other so that the power cable 5 is inserted into the insertion hole H formed by the both recesses 23, 23. The heat radiation part 6 is formed by joining both. Then, while fixing the board | substrate 4 to the thermal radiation part 6, and fixing the thermal radiation part 6 integrated with the board | substrate 4 to the lamp holder as the fixing tool 2, the diffusion plate 8 is screwed to the board | substrate 4. FIG. Thereby, the assembly work (attachment work) of the lighting fixture 1 is completed.
このように、この照明器具1によれば、取付対象体Xに固定するための固定具2と、一方の面にLEDモジュール11が配設された基板4と、LEDモジュール11に電気的に接続された電源ケーブル5と、複数の放熱フィン22が形成されると共に一端部が固定具2に固定され、かつ他端部に基板4が固定されて、温度上昇した基板4の熱を他端部において吸熱して各放熱フィン22から放熱する放熱部6とを備えると共に、分離可能な一対の放熱用部材21,21(第1放熱用部材)を互いに接合して放熱部6を構成し、かつ、両放熱用部材21,21の互いに接合される各接合面の少なくとも一方(この例では、双方)に、接合状態において電源ケーブル5を挿通させる挿通孔Hを構成する凹部23を形成したことにより、基板4(LEDモジュール11)に電源ケーブル5を接続した後に、両放熱用部材21を接合して放熱部6を形成して、その下端部に基板4を固定することができる。したがって、十分な放熱量を確保するために放熱部6を大きく構成した場合においても、大きな放熱部6を持たずに基板4に電源ケーブル5を接続することができるため、消費電力の低減や長寿命化を図り得るLEDモジュール11を光源として備えた照明器具1を容易に組み立てる(容易に取り付ける)ことができる。   Thus, according to this lighting fixture 1, the fixture 2 for fixing to the attachment target body X, the board | substrate 4 with which the LED module 11 was arrange | positioned on one surface, and the LED module 11 are electrically connected. The power cable 5 and the plurality of radiating fins 22 are formed, one end is fixed to the fixture 2, and the substrate 4 is fixed to the other end. And a heat dissipating part 6 that dissipates heat from each heat dissipating fin 22, and a pair of separable heat dissipating members 21, 21 (first heat dissipating member) are joined together to constitute the heat dissipating part 6, and By forming a recess 23 constituting an insertion hole H through which the power cable 5 is inserted in at least one of the joining surfaces of the heat radiation members 21 and 21 to be joined to each other (both in this example). , Substrate 4 (L After connecting the power cable 5 to the D module 11), to form a heat radiating portion 6 by joining two heat-radiating member 21 can be fixed to the substrate 4 at its lower end. Therefore, even when the heat radiating portion 6 is configured to be large in order to ensure a sufficient heat radiating amount, the power cable 5 can be connected to the substrate 4 without having the large heat radiating portion 6. It is possible to easily assemble (easily attach) the luminaire 1 including the LED module 11 that can achieve a long life as a light source.
また、この照明器具1によれば、一対の放熱用部材21,21(第1放熱用部材)の各接合面に凹部23をそれぞれ形成して、両放熱用部材21,21を互いに等しい形状に形成したことにより、一対の第1放熱用部材として互いに相違する形状の2種類の放熱用部材を接合して放熱部を構成するのとは異なり、複数の照明器具1を組み立てるために2組以上の放熱用部材21,21が用意されている場合においても、互いに接合させる放熱用部材21,21の組み合わせを考慮することなく、任意の2つの放熱用部材21を手に持って接合するだけで放熱部6を形成することができるため、照明器具1を一層容易に組み立てることができるだけでなく、1種類の放熱用部材21を2つ製造することで放熱部6を構成することができるため、放熱部6の製造コストを十分に低減することができる。   Moreover, according to this lighting fixture 1, the recessed part 23 is each formed in each joining surface of a pair of heat radiating member 21 and 21 (1st heat radiating member), and both the heat radiating members 21 and 21 are mutually equal in shape. Unlike forming a heat radiating part by joining two types of heat radiating members having different shapes as a pair of first heat radiating members, two or more sets for assembling a plurality of lighting fixtures 1 are formed. Even when the heat radiating members 21 and 21 are prepared, it is only necessary to hold any two heat radiating members 21 in the hand and join them without considering the combination of the heat radiating members 21 and 21 to be joined to each other. Since the heat dissipating part 6 can be formed, not only can the lighting fixture 1 be assembled more easily, but also the heat dissipating part 6 can be configured by manufacturing two types of heat dissipating members 21. It is possible to sufficiently reduce the manufacturing cost of the heat unit 6.
なお、一対の放熱用部材21,21だけを備えて放熱部6を構成した照明器具1を例に挙げて説明したが、3つ以上の任意の数の放熱用部材を備えて放熱部を構成することができる。具体的には、例えば、図5に示す照明器具1Aにおける照明器具本体3aのように、上記の照明器具1よりも多数のLEDモジュール11を配設するために基板4よりも大径の基板4aを採用した場合において、一対の放熱用部材21,21とは別個に、任意の数(この例では、4つ)の放熱用部材21を基板4aに固定して放熱部6aを構成することができる。なお、この照明器具1A、および後に説明する照明器具1B(図6参照)において上記の照明器具1と同様の構成要素については、同一の符号を付して重複する説明を省略する。 In addition , although it demonstrated taking the case of the lighting fixture 1 which comprised only the pair of heat radiating members 21 and 21 and comprised the heat radiating part 6, the heat radiating part was comprised including three or more arbitrary numbers of heat radiating members. can do. Specifically, for example, a substrate 4a having a diameter larger than that of the substrate 4 in order to dispose a larger number of LED modules 11 than the above-described lighting device 1, such as a lighting device body 3a in the lighting device 1A shown in FIG. In this case, separately from the pair of heat radiation members 21 and 21, any number (four in this example) of heat radiation members 21 may be fixed to the substrate 4a to constitute the heat radiation portion 6a. it can. In addition, about the component similar to said lighting fixture 1 in this lighting fixture 1A and the lighting fixture 1B (refer FIG. 6) demonstrated later, the same code | symbol is attached | subjected and the overlapping description is abbreviate | omitted.
この場合、この照明器具1Aでは、挿通孔Hが形成されるようにして接合された状態で基板4aの中央部に固定された一対の放熱用部材21,21が「一対の第1放熱用部材」に相当し、その周囲に固定された4つの放熱用部材21が「第2放熱用部材」に相当する。 In this case, in the lighting fixture 1A, the pair of heat radiation members 21 and 21 fixed to the center portion of the substrate 4a in a state where the insertion holes H are joined are formed as “a pair of first heat radiation members”. corresponds to ", four heat-radiating member 21 fixed to its periphery you corresponds to the" second heat radiation member ".
このように、この照明器具1Aによれば、第1放熱用部材としての放熱用部材21,21とは別個に基板4aにおける他方の面に固定した第2放熱用部材としての放熱用部材21を備えて放熱部6aを構成したことにより、基板4aの大きさに応じて一対の放熱用部材21,21(第1放熱用部材)の大きさを変更した構成(すなわち、第1放熱用部材の重量が、固定する基板の大きさに応じて増加する構成:図示せず)と比較して、放熱用部材21の1つ当りの重量を十分に軽量化することができるため、基板4aに固定する放熱用部材21の数を任意に増やすことで十分な放熱量を確保しつつ、照明器具1Aを容易に組み立てることができる。   Thus, according to this lighting fixture 1A, the heat radiating member 21 as the second heat radiating member fixed to the other surface of the substrate 4a separately from the heat radiating members 21 and 21 as the first heat radiating members. By providing the heat radiating portion 6a, the size of the pair of heat radiating members 21, 21 (first heat radiating member) is changed according to the size of the substrate 4a (that is, the first heat radiating member Compared with a configuration in which the weight increases in accordance with the size of the substrate to be fixed (not shown), the weight per one of the heat radiation member 21 can be sufficiently reduced, so that it is fixed to the substrate 4a. The lighting fixture 1A can be easily assembled while ensuring a sufficient amount of heat radiation by arbitrarily increasing the number of the heat radiation members 21 to be performed.
また、この照明器具1Aによれば、各放熱用部材21(第1放熱用部材および第2放熱用部材)を互いに等しい形状に形成したことにより、第1放熱用部材および第2放熱用部材として互いに相違する形状の2種類の放熱用部材によって放熱部を構成するのとは異なり、複数の照明器具1Aを組み立てるために2組以上の放熱用部材21が用意されている場合においても、1つの照明器具1Aを組み立てるのに使用する放熱用部材21の組み合わせを考慮することなく、任意の数(この例では、6つ)の放熱用部材21を順に手に持って固定するだけで放熱部6aを形成することができるため、照明器具1Aを一層容易に組み立てることができるだけでなく、1種類の放熱用部材21を必要数(この例では、6つ)製造することで放熱部6aを構成することができるため、放熱部6aの製造コストを十分に低減することができる。   Moreover, according to this lighting fixture 1A, since each heat radiating member 21 (the 1st heat radiating member and the 2nd heat radiating member) was formed in the mutually equal shape, as a 1st heat radiating member and a 2nd heat radiating member, Unlike the case where the heat radiating portion is constituted by two types of heat radiating members having different shapes, even when two or more sets of heat radiating members 21 are prepared to assemble a plurality of lighting fixtures 1A, Without considering the combination of the heat dissipating members 21 used for assembling the lighting fixture 1A, the heat dissipating part 6a can be obtained simply by holding and fixing any number (six in this example) of heat dissipating members 21 in order. Therefore, the lighting fixture 1A can be assembled more easily, and the heat radiating portion 6a can be obtained by manufacturing the necessary number (six in this example) of one type of heat radiating member 21. It is possible to structure, it is possible to sufficiently reduce the manufacturing cost of the heat radiating portion 6a.
さらに、放熱部6の下方にセード7が位置する構成(この例では、放熱部6の下端部に固定された基板4にセード7が固定されている構成)の照明器具1を例に挙げて説明したが、図6に示す照明器具1Bにおける照明器具本体3bのように、固定具2における取付部2cの下端部にセード7および放熱部6を固定した構成(セード7内に放熱部6が位置する構成)を採用することもできる。このような構成の照明器具1Bにおいても、上記の照明器具1と同様の効果を奏することができる。   Furthermore, the lighting fixture 1 having a configuration in which the shade 7 is positioned below the heat radiating portion 6 (in this example, the configuration in which the shade 7 is fixed to the substrate 4 fixed to the lower end portion of the heat radiating portion 6) is taken as an example. As described above, a configuration in which the shade 7 and the heat radiating portion 6 are fixed to the lower end portion of the mounting portion 2c of the fixture 2 as in the lighting fixture main body 3b in the lighting fixture 1B shown in FIG. (Positioned configuration) can also be adopted. Also in the lighting fixture 1B having such a configuration, the same effects as those of the lighting fixture 1 can be obtained.
また、分離可能な複数の放熱用部材を接合して「一対の第1放熱用部材」の一方または双方を形成する構成を採用することができる。このような構成を採用した場合においても、全体としての形状が上記の放熱部6と同様となるように構成することで、上記の放熱部6,6aを有する照明器具1,1A,1Bと同様の効果を奏することができる。この場合、3つ以上のn個の放熱用部材によって放熱部を構成する場合には、一例として、平面視において(360°/n)の中心角度を有して互いに同じ形状となるように放熱用部材を形成することにより、放熱部の製造コストを十分に低減することができる。加えて、上下方向に沿って長い平板状の複数の放熱フィン22を水平方向に沿って並べて形成した放熱用部材21によって放熱部6,6aが構成された照明器具1,1A,1Bについて説明したが、複数の放熱フィンを上下方向に沿って並べて形成した放熱用部材(図示せず)を第1放熱用部材や第2放熱用部材として使用して放熱部を構成することもできる。   Moreover, the structure which joins several separable heat-dissipating members, and forms one or both of a "a pair of 1st heat-radiating member" is employable. Even when such a configuration is adopted, the overall shape is the same as that of the heat radiating portion 6, so that the lighting fixtures 1, 1 </ b> A, 1 </ b> B having the heat radiating portions 6, 6 a are the same. The effect of can be produced. In this case, when the heat radiating portion is constituted by three or more n heat radiating members, as an example, the heat is radiated so as to have the same shape with a center angle of (360 ° / n) in plan view. By forming the member, the manufacturing cost of the heat radiating part can be sufficiently reduced. In addition, the luminaires 1, 1 </ b> A, 1 </ b> B in which the heat radiating portions 6, 6 a are configured by the heat radiating member 21 formed by arranging a plurality of flat plate-like heat radiating fins 22 along the vertical direction along the horizontal direction have been described. However, the heat radiating part can also be configured by using a heat radiating member (not shown) formed by arranging a plurality of heat radiating fins along the vertical direction as the first heat radiating member or the second heat radiating member.
1,1A,1B 照明器具
2 固定具
3,3a,3b 照明器具本体
4,4a 基板
5 電源ケーブル
6,6a 放熱部
11 LEDモジュール
21 放熱用部材
22 放熱フィン
23 凹部
H 挿通孔
X 取付対象体
DESCRIPTION OF SYMBOLS 1,1A, 1B Lighting fixture 2 Fixing tool 3,3a, 3b Lighting fixture main body 4,4a Board | substrate 5 Power cable 6,6a Heat radiation part 11 LED module 21 Heat radiation member 22 Heat radiation fin 23 Recessed part H Insertion hole X Attachment object

Claims (1)

  1. 取付対象体に固定するための固定具と、一方の面に発光素子が配設された基板と、前記発光素子に対して電気的に接続された電源ケーブルと、複数の放熱フィンが形成されると共に一端部が前記固定具に固定され、かつ他端部に前記基板が固定されて、温度上昇した当該基板の熱を当該他端部において吸熱して当該各放熱フィンから放熱する放熱部とを備え、
    前記放熱部は、互いに等しい形状に形成されると共に分離可能な一対の第1放熱用部材、および当該両第1放熱用部材とは別個に前記基板における他方の面に固定された第2放熱用部材を備えて構成され、
    前記一対の第1放熱用部材の互いに接合される各接合面には、接合状態において前記電源ケーブルを挿通させる挿通孔を構成する凹部がそれぞれ形成され
    前記第2放熱用部材は、前記第1放熱用部材と等しい形状に形成されている照明器具。
    A fixture for fixing to a mounting object, a substrate having a light emitting element disposed on one surface, a power cable electrically connected to the light emitting element, and a plurality of heat radiation fins are formed. In addition, one end portion is fixed to the fixing tool, and the substrate is fixed to the other end portion, and a heat radiating portion that absorbs heat of the substrate that has risen in temperature at the other end portion and dissipates heat from each radiating fin. Prepared,
    The heat dissipating part is formed in the same shape as each other and is separated from a pair of first heat dissipating members , and a second heat dissipating member fixed to the other surface of the substrate separately from the first heat dissipating members. Composed of members ,
    Recesses constituting insertion holes through which the power supply cable is inserted in the joined state are respectively formed on the joining surfaces joined to each other of the pair of first heat radiation members ,
    The said 2nd heat radiating member is a lighting fixture formed in the shape equal to the said 1st heat radiating member .
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