JP2013143349A - Led lamp, luminaire, and lighting fixture - Google Patents

Led lamp, luminaire, and lighting fixture Download PDF

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JP2013143349A
JP2013143349A JP2012004347A JP2012004347A JP2013143349A JP 2013143349 A JP2013143349 A JP 2013143349A JP 2012004347 A JP2012004347 A JP 2012004347A JP 2012004347 A JP2012004347 A JP 2012004347A JP 2013143349 A JP2013143349 A JP 2013143349A
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light source
led lamp
light
lighting
source unit
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Eiji Miyahara
栄二 宮原
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Panasonic Corp
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Abstract

PROBLEM TO BE SOLVED: To make color matching easier than usual.SOLUTION: Once a ferrule 12 is mounted on a first lamp socket 3, a pair of individual terminal pins 14 are connected to reception-side terminals 31 and 32, respectively. Similarly, once a ferrule 13 is mounted on a second lamp socket 4, a common terminal pin 15 is connected to a reception-side terminal 41. A first lighting circuit part 21 and a second lighting circuit part 22 can adjust electric supply amounts individually under PWM control. An LED lamp 1 therefore includes a plurality of light source parts 10A and 10B which differ in light color (color temperature) from each other, so that a plurality of LED lamps differing in light color need not be used and color matching is made easier than usual.

Description

本発明は、ＬＥＤランプ及び点灯装置、照明器具に関する。   The present invention relates to an LED lamp, a lighting device, and a lighting fixture.

従来のＬＥＤランプとして、特許文献１に記載されている直管形のＬＥＤランプがある。このＬＥＤランプは、多数のＬＥＤチップが実装された実装基板が円筒形のガラス管内に収納され、給電用の端子ピンが突設された口金でガラス管の両端が封止されてなる。実装基板に実装されている多数のＬＥＤチップは、導電パターンによって直列(または直並列)に接続されている。また、ＬＥＤチップの直列回路の両端に端子ピンが接続されている。   As a conventional LED lamp, there is a straight tube type LED lamp described in Patent Document 1. In this LED lamp, a mounting substrate on which a large number of LED chips are mounted is housed in a cylindrical glass tube, and both ends of the glass tube are sealed with a base provided with a projecting terminal pin for power supply. A large number of LED chips mounted on the mounting substrate are connected in series (or series-parallel) by a conductive pattern. Moreover, the terminal pin is connected to the both ends of the series circuit of LED chip.

上記ＬＥＤランプを点灯する点灯装置は、商用の交流電源から供給される交流電力を直流電力に変換し、端子ピンを介してＬＥＤランプに給電する。また、上記ＬＥＤランプが使用される照明器具は、上記点灯装置と、ＬＥＤランプの口金が着脱自在に装着されるランプソケットと、点灯装置及びランプソケットを保持する器具本体とで構成される。   The lighting device for lighting the LED lamp converts AC power supplied from a commercial AC power source into DC power, and feeds the LED lamp via a terminal pin. Moreover, the lighting fixture in which the said LED lamp is used is comprised by the said lighting device, the lamp socket in which the nozzle | cap | die of an LED lamp is mounted | worn detachably, and the fixture main body holding a lighting device and a lamp socket.

特許第４７５５３２３号公報Japanese Patent No. 4755323

ところで、従来のＬＥＤランプは単一色の光(例えば、白色)しか放射していなかった。そのため、光色を調整(調色)するためには、それぞれに異なる色(例えば、白色と電球色など)を放射する複数のＬＥＤランプを用いなければならなかった。   By the way, the conventional LED lamp has radiated | emitted only the light (for example, white) of single color. Therefore, in order to adjust (toner) the light color, it has been necessary to use a plurality of LED lamps that emit different colors (for example, white and light bulb color).

本発明は、上記課題に鑑みて為されたものであり、従来よりも簡単に調色可能にすることを目的とする。   The present invention has been made in view of the above-described problems, and an object thereof is to enable color matching more easily than in the past.

本発明のＬＥＤランプは、直列接続された複数個のＬＥＤ並びに前記ＬＥＤの直列回路の両端と各別に接続された一対の電極をそれぞれ有する複数の光源部と、透光性材料によって直管状に形成され且つ複数の前記光源部を内部に収納する発光管と、前記発光管の端部を封止する一対の口金と、一方の前記口金に設けられ、前記光源部の一方の電極と個別に接続された複数の個別端子と、他方の前記口金に設けられ、前記光源部の他方の電極と共通に接続された共通端子とを備え、複数の前記光源部は、互いに異なる色の光を放射することを特徴とする。   The LED lamp of the present invention is formed in a straight tube shape by a translucent material and a plurality of light sources having a plurality of LEDs connected in series and a pair of electrodes respectively connected to both ends of the series circuit of the LEDs. And a plurality of light-emitting tubes that house the light source units therein, a pair of caps that seal the ends of the light-emitting tubes, and one of the caps that are individually connected to one electrode of the light source unit A plurality of individual terminals and a common terminal provided on the other base and connected in common with the other electrode of the light source unit, wherein the plurality of light source units emit light of different colors. It is characterized by that.

このＬＥＤランプにおいて、複数の前記光源部は、互いに色温度が異なる光を放射することが好ましい。   In the LED lamp, it is preferable that the plurality of light source units emit light having different color temperatures.

このＬＥＤランプにおいて、赤色光を放射する前記光源部と、緑色光を放射する前記光源部と、青色光を放射する前記光源部とを備えることが好ましい。   The LED lamp preferably includes the light source unit that emits red light, the light source unit that emits green light, and the light source unit that emits blue light.

このＬＥＤランプにおいて、複数の前記個別端子のうちの少なくとも２つは、前記口金から突出するピン状に形成されていることが好ましい。   In this LED lamp, it is preferable that at least two of the plurality of individual terminals are formed in a pin shape protruding from the base.

このＬＥＤランプにおいて、複数の前記個別端子のうちの少なくとも１つは、前記口金から突出する突起状に形成されていることが好ましい。   In this LED lamp, it is preferable that at least one of the plurality of individual terminals is formed in a protruding shape protruding from the base.

このＬＥＤランプにおいて、複数の前記個別端子のうちの少なくとも３つが、前記口金から突出するピン状に形成され、さらに、ピン状に形成されている前記個別端子のうちの何れか２つは、残りの１つよりも小型であり且つ互いに隣り合って配置されることが好ましい。   In this LED lamp, at least three of the plurality of individual terminals are formed in a pin shape protruding from the base, and any two of the individual terminals formed in the pin shape are the remaining Are preferably smaller than one of them and arranged next to each other.

本発明の点灯装置は、前記何れかのＬＥＤランプを点灯する点灯装置であって、前記個別端子と前記共通端子を介して複数の前記光源部と各別に接続される複数の点灯回路部を備え、複数の前記点灯回路部は、それぞれが個別に前記光源部への給電量を調整することを特徴とする。   A lighting device according to the present invention is a lighting device that lights any one of the LED lamps, and includes a plurality of lighting circuit units that are individually connected to the plurality of light source units via the individual terminals and the common terminal. Each of the plurality of lighting circuit units individually adjusts the amount of power supplied to the light source unit.

本発明の照明器具は、前記何れかのＬＥＤランプが備える前記個別端子及び前記共通端子と各別に接続される受け側端子を有する一対のランプソケットと、前記点灯装置と、前記ランプソケット及び前記点灯装置を保持する器具本体とを備えることを特徴とする。   The lighting fixture of the present invention includes a pair of lamp sockets each having a receiving terminal connected to the individual terminal and the common terminal provided in any of the LED lamps, the lighting device, the lamp socket, and the lighting. And an instrument body for holding the device.

本発明のＬＥＤランプ及び点灯装置、照明器具は、従来よりも簡単に調色可能になるという効果がある。   The LED lamp, the lighting device, and the lighting fixture of the present invention have an effect that color matching can be performed more easily than in the past.

本発明に係るＬＥＤランプ及び点灯装置の実施形態１を示すブロック図である。It is a block diagram which shows Embodiment 1 of the LED lamp and lighting device which concern on this invention. 同上のＬＥＤランプを示し、(ａ)は一部省略した正面図、(ｂ)は左側面図、(ｃ)は右側面図である。The LED lamp same as the above is shown, (a) is a partially omitted front view, (b) is a left side view, and (c) is a right side view. (ａ)はＬＥＤランプ及び点灯装置の実施形態２を示すブロック図、(ｂ)はＬＥＤランプの一部省略した斜視図である。(a) is a block diagram which shows Embodiment 2 of an LED lamp and a lighting device, (b) is the perspective view which abbreviate | omitted a part of LED lamp. (ａ)はＬＥＤランプ及び点灯装置の実施形態３を示すブロック図、(ｂ)はＬＥＤランプの一部省略した斜視図である。(a) is the block diagram which shows Embodiment 3 of an LED lamp and a lighting device, (b) is the perspective view which abbreviate | omitted a part of LED lamp. 本発明に係る照明器具の実施形態を示す斜視図である。It is a perspective view which shows embodiment of the lighting fixture which concerns on this invention.

以下、本発明に係るＬＥＤランプ及び点灯装置、照明器具の実施形態について、図面を参照して詳細に説明する。   Hereinafter, embodiments of an LED lamp, a lighting device, and a lighting fixture according to the present invention will be described in detail with reference to the drawings.

(実施形態１)
本実施形態のＬＥＤランプ１は、図１に示すように第１光源部10A、第２光源部10B、発光管11、口金12，13、個別端子14，14、共通端子15などを備える。第１光源部10Aは、白色光を放射する複数個のＬＥＤの直列回路と、直列回路の両端に接続された一対の電極(図示せず)とを有している。また第２光源部10Bは、電球色光を放射する複数個のＬＥＤの直列回路と、直列回路の両端に接続された一対の電極(図示せず)とを有している。 (Embodiment 1)
As shown in FIG. 1, the LED lamp 1 of the present embodiment includes a first light source unit 10A, a second light source unit 10B, an arc tube 11, caps 12 and 13, individual terminals 14 and 14, a common terminal 15 and the like. 10 A of 1st light source parts have a series circuit of several LED which radiates | emits white light, and a pair of electrode (not shown) connected to the both ends of a series circuit. The second light source unit 10B includes a series circuit of a plurality of LEDs that emit light bulb colored light, and a pair of electrodes (not shown) connected to both ends of the series circuit.

発光管11は、ガラスなどの透光性材料によって直管状(円筒形状)に形成され、２つの第１光源部10Aと１つの第２光源部10Bとが長手方向に並ぶようにして収納され、その両端が口金12，13で封止される。   The arc tube 11 is formed in a straight tube shape (cylindrical shape) by a translucent material such as glass, and is accommodated so that two first light source portions 10A and one second light source portion 10B are aligned in the longitudinal direction. Both ends are sealed with caps 12 and 13.

口金12，13は、日本電球工業会規格で規格化されているJEL801「Ｌ形ピン口金GX16t-5付直管形ＬＥＤランプシステム(一般照明用)」におけるＬＥＤランプの口金と同一の構造を有し、図２に示すように金属材料によって有底円筒形状に形成されている。一方の口金12の底面からは、一対のＬ形端子ピン(以下、個別端子ピンと呼ぶ。)14が突出している。図１における上側の個別端子ピン14は、発光管11の内部において２つの第１光源部10Aの一方の電極(アノード電極)と接続されている。また、図１における下側の個別端子ピン14は、発光管11の内部において第２光源部10Bの一方の電極(アノード電極)と接続されている。   Bases 12 and 13 have the same structure as the bases of LED lamps in JEL801 “L-shaped pin base GX16t-5 straight tube LED lamp system (for general lighting)” standardized by the Japan Light Bulb Industry Association standard. However, as shown in FIG. 2, it is formed in a bottomed cylindrical shape by a metal material. A pair of L-shaped terminal pins (hereinafter referred to as individual terminal pins) 14 protrude from the bottom surface of one base 12. The individual terminal pin 14 on the upper side in FIG. 1 is connected to one electrode (anode electrode) of the two first light source units 10A inside the arc tube 11. Further, the lower individual terminal pin 14 in FIG. 1 is connected to one electrode (anode electrode) of the second light source unit 10B inside the arc tube 11.

他方の口金13の底面からは、平面視長円形状のフランジが先端に設けられた共通端子ピン15が突出している(図２参照)。この共通端子ピン15は、発光管11の内部において２つの第１光源部10A及び第２光源部10Bの他方の電極(カソード電極)とそれぞれ接続されている。なお、図１では、共通端子ピン15と電極とを接続する電路が発光管11からはみ出して記載されているが、実際は発光管11の内部に収納される。   From the bottom surface of the other base 13, a common terminal pin 15 having a flange having an oval shape in plan view provided at the tip protrudes (see FIG. 2). The common terminal pin 15 is connected to the other electrodes (cathode electrodes) of the two first light source units 10A and the second light source unit 10B in the arc tube 11, respectively. In FIG. 1, the electric circuit connecting the common terminal pin 15 and the electrode is illustrated so as to protrude from the arc tube 11, but is actually housed inside the arc tube 11.

本実施形態の点灯装置２は、図１に示すように電源回路20、第１点灯回路部21、第２点灯回路部22などを備える。電源回路20は、商用の交流電源100から供給される交流電力を直流電力に変換するものであって、従来周知の昇圧チョッパ回路を有する。また第１点灯回路部21は、電源回路20から出力される直流電力を降圧する降圧チョッパ回路と、降圧チョッパ回路のスイッチング素子をPWM制御することで第１光源部10Aに供給する電力を調整する制御回路とを有する。さらに第２点灯回路部22は、第１点灯回路部21と同様に降圧チョッパ回路及び制御回路を有する。ただし、昇圧チョッパ回路や降圧チョッパ回路、PWM制御用の制御回路は何れも従来周知であるから詳細な構成の図示並びに説明を省略する。   The lighting device 2 of this embodiment includes a power supply circuit 20, a first lighting circuit unit 21, a second lighting circuit unit 22, and the like as shown in FIG. The power supply circuit 20 converts AC power supplied from a commercial AC power supply 100 into DC power, and has a conventionally known step-up chopper circuit. The first lighting circuit unit 21 adjusts the power supplied to the first light source unit 10A by PWM control of the step-down chopper circuit that steps down the DC power output from the power supply circuit 20 and the switching element of the step-down chopper circuit. And a control circuit. Furthermore, the second lighting circuit unit 22 includes a step-down chopper circuit and a control circuit, like the first lighting circuit unit 21. However, since the step-up chopper circuit, the step-down chopper circuit, and the control circuit for PWM control are all well known in the art, detailed illustration and description thereof are omitted.

ここで、第１点灯回路部21の出力端は、第１ランプソケット３の一方の受け側端子31と、第２ランプソケット４の受け側端子41とに接続される。また第２点灯回路部22の出力端は、第１ランプソケット３の他方の受け側端子32と、第２ランプソケット４の受け側端子41とに接続される。   Here, the output terminal of the first lighting circuit section 21 is connected to one receiving terminal 31 of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4. The output terminal of the second lighting circuit section 22 is connected to the other receiving terminal 32 of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4.

第１ランプソケット３は、合成樹脂材料によって略半円筒状に形成されたソケット本体30と、ソケット本体30内に収納されてＬＥＤランプ１の一対の個別端子ピン14と各別に接続される一対の受け側端子31，32とを備える。第２ランプソケット４は、合成樹脂材料によって略半円筒状に形成されたソケット本体40と、ソケット本体40内に収納されてＬＥＤランプ１の共通端子ピン15と接続される受け側端子41とを備える。   The first lamp socket 3 includes a socket body 30 formed in a substantially semi-cylindrical shape with a synthetic resin material, and a pair of individual terminal pins 14 of the LED lamp 1 that are housed in the socket body 30 and connected to each other. Receiving side terminals 31, 32 are provided. The second lamp socket 4 includes a socket body 40 formed in a substantially semi-cylindrical shape with a synthetic resin material, and a receiving side terminal 41 housed in the socket body 40 and connected to the common terminal pin 15 of the LED lamp 1. Prepare.

而して、口金12が第１ランプソケット３に装着されると一対の個別端子ピン14が受け側端子31，32とそれぞれ接続される。同様に、口金13が第２ランプソケット４に装着されると共通端子ピン15が受け側端子41と接続される。そして、第１点灯回路部21の出力端が一方の個別端子ピン14と共通端子ピン15に各別に接続され、第２点灯回路部22の出力端が他方の個別端子ピン14と共通端子ピン15に各別に接続される。その結果、点灯装置２の第１点灯回路部21は、第１及び第２ランプソケット３，４を介して２つの第１光源部10Aと接続され、第２点灯回路部22は、第１及び第２ランプソケット３，４を介して第２光源部10Bと接続される。   Thus, when the base 12 is attached to the first lamp socket 3, the pair of individual terminal pins 14 are connected to the receiving terminals 31 and 32, respectively. Similarly, when the base 13 is attached to the second lamp socket 4, the common terminal pin 15 is connected to the receiving side terminal 41. The output terminal of the first lighting circuit unit 21 is connected to one individual terminal pin 14 and the common terminal pin 15 separately, and the output terminal of the second lighting circuit unit 22 is connected to the other individual terminal pin 14 and the common terminal pin 15. Connected to each separately. As a result, the first lighting circuit portion 21 of the lighting device 2 is connected to the two first light source portions 10A via the first and second lamp sockets 3 and 4, and the second lighting circuit portion 22 is The second light source unit 10B is connected via the second lamp sockets 3 and 4.

ここで、第１点灯回路部21及び第２点灯回路部22は、PWM制御によってそれぞれ個別に給電量を調整することができる。例えば、第１点灯回路部21が第１光源部10Aに定格電力(ＬＥＤの定格電流。以下、同じ。)を供給し、且つ第２点灯回路部22が第２光源部10Bに電力を供給していない場合、第１光源部10Aと第２光源部10Bを合わせた全体の光色が白色となる。また、第１点灯回路部21が第１光源部10Aに電力を供給せず、且つ第２点灯回路部22が第２光源部10Bに定格電力を供給している場合、第１光源部10Aと第２光源部10Bを合わせた全体の光色が電球色となる。さらに、第１点灯回路部21が第１光源部10Aに調光率Ｘ％の電力を供給し、且つ第２点灯回路部22が第２光源部10Bに調光率Ｙ％の電力を供給している場合、第１光源部10Aと第２光源部10Bを合わせた全体の光色が白色と電球色をＸ：Ｙで混色した光色となる。ただし、調光率は、PWM制御におけるオンデューティ比とする。   Here, the first lighting circuit unit 21 and the second lighting circuit unit 22 can individually adjust the power supply amount by PWM control. For example, the first lighting circuit unit 21 supplies the first light source unit 10A with the rated power (the rated current of the LED; the same applies hereinafter), and the second lighting circuit unit 22 supplies the power to the second light source unit 10B. If not, the overall light color of the first light source unit 10A and the second light source unit 10B is white. Further, when the first lighting circuit unit 21 does not supply power to the first light source unit 10A and the second lighting circuit unit 22 supplies rated power to the second light source unit 10B, The overall light color of the second light source unit 10B is the light bulb color. Further, the first lighting circuit unit 21 supplies power of the dimming rate X% to the first light source unit 10A, and the second lighting circuit unit 22 supplies power of the dimming rate Y% to the second light source unit 10B. In this case, the total light color of the first light source unit 10A and the second light source unit 10B is a light color obtained by mixing white and a light bulb color with X: Y. However, the dimming rate is the on-duty ratio in PWM control.

上述のように本実施形態のＬＥＤランプ１では、互いに光色(色温度)の異なる複数の光源部10A，10Bを備えているため、光色の異なる複数本のＬＥＤランプを用いる必要が無く、従来よりも簡単に調色可能になる。なお、第１点灯回路部21及び第２点灯回路部22は、外部から与えられる調色指令に応じて制御回路が調光率(オンデューティ比)を調整すればよい。   As described above, the LED lamp 1 according to the present embodiment includes the plurality of light source units 10A and 10B having different light colors (color temperatures), and thus there is no need to use a plurality of LED lamps having different light colors. Color adjustment is easier than before. In the first lighting circuit unit 21 and the second lighting circuit unit 22, the control circuit may adjust the dimming rate (on-duty ratio) in accordance with a toning command given from the outside.

(実施形態２)
本実施形態は、図３(ａ)に示すようにＬＥＤランプ１及び点灯装置２の基本構成が実施形態１と共通である。故に、実施形態１と共通の構成要素には同一の符号を付して説明を省略する。 (Embodiment 2)
In this embodiment, as shown in FIG. 3A, the basic configuration of the LED lamp 1 and the lighting device 2 is the same as that of the first embodiment. Therefore, the same code | symbol is attached | subjected to the same component as Embodiment 1, and description is abbreviate | omitted.

本実施形態のＬＥＤランプ１は、第１光源部10A及び第２光源部10Bの代わりに、３種類の光源部(赤色光源部10R、緑色光源部10G、青色光源部10B)を備えている。赤色光源部10Rは、赤色光を放射する複数個のＬＥＤの直列回路と、直列回路の両端に接続された一対の電極(図示せず)とを有している。また緑色光源部10Gは、緑色光を放射する複数個のＬＥＤの直列回路と、直列回路の両端に接続された一対の電極(図示せず)とを有している。同様に青色光源部10Bは、青色光を放射する複数個のＬＥＤの直列回路と、直列回路の両端に接続された一対の電極(図示せず)とを有している。そして、これら３種類の光源部10R，10G，10Bが長手方向に並ぶようにして発光管11内に収納される。   The LED lamp 1 of this embodiment includes three types of light source units (a red light source unit 10R, a green light source unit 10G, and a blue light source unit 10B) instead of the first light source unit 10A and the second light source unit 10B. The red light source unit 10R includes a series circuit of a plurality of LEDs that emits red light, and a pair of electrodes (not shown) connected to both ends of the series circuit. The green light source unit 10G includes a series circuit of a plurality of LEDs that emit green light, and a pair of electrodes (not shown) connected to both ends of the series circuit. Similarly, the blue light source unit 10B includes a series circuit of a plurality of LEDs that emit blue light, and a pair of electrodes (not shown) connected to both ends of the series circuit. These three types of light source units 10R, 10G, and 10B are housed in the arc tube 11 so as to be aligned in the longitudinal direction.

また、一方の口金12の底面には、図３(ｂ)に示すように一対のＬ形端子ピンからなる個別端子ピン14の間に、突起状の個別端子16が突設されている。図３(ａ)における上側の個別端子ピン14は、発光管11の内部において青色光源部10Bの一方の電極(アノード電極)と接続されている。また、図３(ａ)における下側の個別端子ピン14は、発光管11の内部において緑色光源部10Gの一方の電極(アノード電極)と接続されている。さらに、個別端子16は、発光管11の内部において赤色光源部10Rの一方の電極(アノード電極)と接続されている。   Further, as shown in FIG. 3 (b), a protruding individual terminal 16 is provided on the bottom surface of one base 12 between individual terminal pins 14 including a pair of L-shaped terminal pins. The upper individual terminal pin 14 in FIG. 3A is connected to one electrode (anode electrode) of the blue light source unit 10B inside the arc tube 11. Also, the lower individual terminal pin 14 in FIG. 3A is connected to one electrode (anode electrode) of the green light source unit 10G inside the arc tube 11. Further, the individual terminal 16 is connected to one electrode (anode electrode) of the red light source unit 10R inside the arc tube 11.

他方の口金13の共通端子ピン15は、発光管11の内部において３種類の光源部10R，10G，10ｂの他方の電極(カソード電極)とそれぞれ接続されている。なお、図３(ａ)では、共通端子ピン15と電極とを接続する電路が発光管11からはみ出して記載されているが、実際は発光管11の内部に収納される。   The common terminal pin 15 of the other base 13 is connected to the other electrodes (cathode electrodes) of the three types of light source portions 10R, 10G, and 10b inside the arc tube 11. In FIG. 3A, the electric circuit connecting the common terminal pin 15 and the electrode protrudes from the arc tube 11, but is actually housed inside the arc tube 11.

第１ランプソケット３には、２つの受け側端子31，32に加えて、突起状の個別端子16と接触導通する受け側端子33が設けられている。   In addition to the two receiving terminals 31 and 32, the first lamp socket 3 is provided with a receiving terminal 33 that is in contact with the protruding individual terminal 16.

本実施形態の点灯装置２は、第１点灯回路部21及び第２点灯回路部22の代わりに、青色点灯回路部23、緑色点灯回路部24、赤色点灯回路部25を備える。これら３つの点灯回路部23〜25は、第１点灯回路部21及び第２点灯回路部22と同様に降圧チョッパ回路と制御回路を有している。青色点灯回路部23の出力端は、第１ランプソケット３の一方の受け側端子31と、第２ランプソケット４の受け側端子41とに接続される。また緑色点灯回路部24の出力端は、第１ランプソケット３の他方の受け側端子32と、第２ランプソケット４の受け側端子41とに接続される。さらに赤色点灯回路部25の出力端は、第１ランプソケット３の受け側端子33と、第２ランプソケット４の受け側端子41とに接続される。   The lighting device 2 of this embodiment includes a blue lighting circuit unit 23, a green lighting circuit unit 24, and a red lighting circuit unit 25 instead of the first lighting circuit unit 21 and the second lighting circuit unit 22. These three lighting circuit units 23 to 25 have a step-down chopper circuit and a control circuit, like the first lighting circuit unit 21 and the second lighting circuit unit 22. The output terminal of the blue lighting circuit unit 23 is connected to one receiving terminal 31 of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4. The output terminal of the green lighting circuit section 24 is connected to the other receiving side terminal 32 of the first lamp socket 3 and the receiving side terminal 41 of the second lamp socket 4. Further, the output terminal of the red lighting circuit section 25 is connected to the receiving terminal 33 of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4.

而して、口金12が第１ランプソケット３に装着されると一対の個別端子ピン14が受け側端子31，32とそれぞれ接続され、個別端子16が受け側端子33と接続(接触導通)される。同様に、口金13が第２ランプソケット４に装着されると共通端子ピン15が受け側端子41と接続される。そして、青色光源部10Bの出力端が一方の個別端子ピン14と共通端子ピン15に各別に接続され、緑色点灯回路部24の出力端が他方の個別端子ピン14と共通端子ピン15に各別に接続される。さらに赤色点灯回路部25の出力端が個別端子16と共通端子ピン15に各別に接続される。その結果、点灯装置２の青色点灯回路部23、緑色点灯回路部24、赤色点灯回路部25は、それぞれ第１及び第２ランプソケット３，４を介して青色光源部10B、緑色光源部10G、赤色光源部10Rと各別に接続される。   Thus, when the base 12 is attached to the first lamp socket 3, the pair of individual terminal pins 14 are connected to the receiving side terminals 31 and 32, respectively, and the individual terminal 16 is connected to the receiving side terminal 33 (contact conduction). The Similarly, when the base 13 is attached to the second lamp socket 4, the common terminal pin 15 is connected to the receiving side terminal 41. The output terminal of the blue light source unit 10B is connected to one individual terminal pin 14 and the common terminal pin 15 separately, and the output terminal of the green lighting circuit unit 24 is connected to the other individual terminal pin 14 and the common terminal pin 15 separately. Connected. Further, the output terminal of the red lighting circuit unit 25 is connected to the individual terminal 16 and the common terminal pin 15 separately. As a result, the blue lighting circuit unit 23, the green lighting circuit unit 24, and the red lighting circuit unit 25 of the lighting device 2 are connected to the blue light source unit 10B, the green light source unit 10G, the first and second lamp sockets 3 and 4, respectively. Each is connected to the red light source unit 10R.

上述のように本実施形態のＬＥＤランプ１では、赤色、緑色、青色の３種類の光源部10R，10G，10Bを備えているため、光色の異なる複数本のＬＥＤランプを用いる必要が無く、従来よりも簡単に調色可能になる。さらに、実施形態１と比較して調色可能な範囲が拡大されるという利点がある。なお、３種類の点灯回路部23〜25は、外部から与えられる調色指令に応じて制御回路が調光率(オンデューティ比)を調整すればよい。   As described above, the LED lamp 1 according to the present embodiment includes the three types of light source portions 10R, 10G, and 10B of red, green, and blue. Therefore, it is not necessary to use a plurality of LED lamps having different light colors. Color adjustment is easier than before. Furthermore, there is an advantage that the toned range is expanded as compared with the first embodiment. In the three types of lighting circuit units 23 to 25, the control circuit may adjust the dimming rate (on-duty ratio) in accordance with the toning command given from the outside.

(実施形態３)
本実施形態は、図４(ａ)に示すようにＬＥＤランプ１及び点灯装置２の基本構成が実施形態２と共通である。故に、実施形態２と共通の構成要素には同一の符号を付して説明を省略する。 (Embodiment 3)
In the present embodiment, as shown in FIG. 4A, the basic configurations of the LED lamp 1 and the lighting device 2 are the same as those in the second embodiment. Therefore, the same code | symbol is attached | subjected to the same component as Embodiment 2, and description is abbreviate | omitted.

本実施形態のＬＥＤランプ１は、一方の口金12に３本の個別端子ピン14A，14B，14Cが設けられている。図４における下側の個別端子ピン14Cは、実施形態１，２における個別端子ピン14と共通のＬ形ピンからなる。一方、図４における上側の２本の個別端子ピン14A，14Bは、幅寸法が個別端子ピン14Cの約半分であるＬ形ピンで構成され、且つ幅方向に隣り合って配設される。   In the LED lamp 1 of this embodiment, one individual base 12 is provided with three individual terminal pins 14A, 14B, and 14C. The lower individual terminal pin 14C in FIG. 4 is an L-shaped pin common to the individual terminal pins 14 in the first and second embodiments. On the other hand, the upper two individual terminal pins 14A and 14B in FIG. 4 are L-shaped pins whose width dimension is about half that of the individual terminal pins 14C, and are arranged adjacent to each other in the width direction.

一方、第１ランプソケット３は、隣り合う２つの個別端子ピン14A，14Bと各別に接続される一対の受け側端子31A，31Bを備えている。   On the other hand, the first lamp socket 3 includes a pair of receiving side terminals 31A and 31B connected to two adjacent individual terminal pins 14A and 14B, respectively.

本実施形態の点灯装置２も実施形態２と同様に、青色点灯回路部23、緑色点灯回路部24、赤色点灯回路部25を備える。青色点灯回路部23の出力端は、第１ランプソケット３の受け側端子31Aと、第２ランプソケット４の受け側端子41とに接続される。また緑色点灯回路部24の出力端は、第１ランプソケット３の受け側端子32と、第２ランプソケット４の受け側端子41とに接続される。さらに赤色点灯回路部25の出力端は、第１ランプソケット３の受け側端子31Bと、第２ランプソケット４の受け側端子41とに接続される。   Similarly to the second embodiment, the lighting device 2 of the present embodiment also includes a blue lighting circuit unit 23, a green lighting circuit unit 24, and a red lighting circuit unit 25. The output terminal of the blue lighting circuit unit 23 is connected to the receiving terminal 31 A of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4. The output terminal of the green lighting circuit 24 is connected to the receiving terminal 32 of the first lamp socket 3 and the receiving terminal 41 of the second lamp socket 4. Further, the output terminal of the red lighting circuit section 25 is connected to the receiving side terminal 31B of the first lamp socket 3 and the receiving side terminal 41 of the second lamp socket 4.

而して、口金12が第１ランプソケット３に装着されると３つの個別端子ピン14A〜14Cが受け側端子31A，31B，32とそれぞれ接続される。同様に、口金13が第２ランプソケット４に装着されると共通端子ピン15が受け側端子41と接続される。そして、青色光源部10Bの出力端が個別端子ピン14Aと共通端子ピン15に各別に接続され、緑色点灯回路部24の出力端が個別端子ピン14Cと共通端子ピン15に各別に接続される。さらに赤色点灯回路部25の出力端が個別端子ピン14Bと共通端子ピン15に各別に接続される。その結果、点灯装置２の青色点灯回路部23、緑色点灯回路部24、赤色点灯回路部25は、それぞれ第１及び第２ランプソケット３，４を介して青色光源部10B、緑色光源部10G、赤色光源部10Rと各別に接続される。   Thus, when the base 12 is attached to the first lamp socket 3, the three individual terminal pins 14A to 14C are connected to the receiving side terminals 31A, 31B, and 32, respectively. Similarly, when the base 13 is attached to the second lamp socket 4, the common terminal pin 15 is connected to the receiving side terminal 41. The output terminal of the blue light source unit 10B is connected to the individual terminal pin 14A and the common terminal pin 15 separately, and the output terminal of the green lighting circuit unit 24 is connected to the individual terminal pin 14C and the common terminal pin 15 separately. Further, the output terminal of the red lighting circuit unit 25 is connected to the individual terminal pin 14B and the common terminal pin 15 separately. As a result, the blue lighting circuit unit 23, the green lighting circuit unit 24, and the red lighting circuit unit 25 of the lighting device 2 are connected to the blue light source unit 10B, the green light source unit 10G, the first and second lamp sockets 3 and 4, respectively. Each is connected to the red light source unit 10R.

上述のように本実施形態のＬＥＤランプ１では、赤色、緑色、青色の３種類の光源部10R，10G，10Bを備えているため、光色の異なる複数本のＬＥＤランプを用いる必要が無く、従来よりも簡単に調色可能になる。さらに、実施形態１と比較して調色可能な範囲が拡大されるという利点がある。なお、３種類の点灯回路部23〜25は、外部から与えられる調色指令に応じて制御回路が調光率(オンデューティ比)を調整すればよい。   As described above, the LED lamp 1 according to the present embodiment includes the three types of light source portions 10R, 10G, and 10B of red, green, and blue. Therefore, it is not necessary to use a plurality of LED lamps having different light colors. Color adjustment is easier than before. Furthermore, there is an advantage that the toned range is expanded as compared with the first embodiment. In the three types of lighting circuit units 23 to 25, the control circuit may adjust the dimming rate (on-duty ratio) in accordance with the toning command given from the outside.

ところで、上述した実施形態１〜３の点灯装置２は、例えば、図５に示すような天井取付型の照明器具５に搭載される。ただし、天井取付型以外の照明器具に本発明の技術思想を適用しても構わない。   By the way, the lighting device 2 of Embodiments 1-3 mentioned above is mounted in the ceiling-mounted type lighting fixture 5 as shown, for example in FIG. However, the technical idea of the present invention may be applied to lighting fixtures other than the ceiling-mounted type.

照明器具５は、器具本体50、２つの第１ランプソケット３及び第２ランプソケット４、点灯装置２、反射板51などを備える。   The lighting fixture 5 includes a fixture main body 50, two first lamp sockets 3 and a second lamp socket 4, a lighting device 2, a reflector 51, and the like.

器具本体50は、金属板によって下面が開口した矩形箱形に形成されている。反射板51は、長尺の金属板がＶ字形に折曲されてなり、長手方向に沿って器具本体50の内底面に取り付けられる。また、長手方向に対向する器具本体50の内側面の一方に２つの第１ランプソケット３が並設され、前記内側面の他方に２つの第２ランプソケット４が並設される。なお、点灯装置２は器具本体50の内底面に取り付けられて反射板51で覆い隠されている。   The instrument body 50 is formed in a rectangular box shape whose lower surface is opened by a metal plate. The reflecting plate 51 is formed by bending a long metal plate into a V shape, and is attached to the inner bottom surface of the instrument body 50 along the longitudinal direction. Further, two first lamp sockets 3 are arranged in parallel on one of the inner side surfaces of the instrument body 50 facing in the longitudinal direction, and two second lamp sockets 4 are arranged in parallel on the other of the inner side surfaces. The lighting device 2 is attached to the inner bottom surface of the fixture body 50 and is covered with a reflector 51.

１ ＬＥＤランプ
２ 点灯装置
３ 第１ランプソケット
４ 第２ランプソケット
10A 第１光源部
10B 第２光源部
11 発光管
12，13 口金
14 個別端子ピン
15 共通端子ピン
21 第１点灯回路部
22 第２点灯回路部 DESCRIPTION OF SYMBOLS 1 LED lamp 2 Lighting device 3 1st lamp socket 4 2nd lamp socket
10A First light source
10B Second light source
11 arc tube
12, 13 base
14 Individual terminal pin
15 Common terminal pin
21 First lighting circuit
22 Second lighting circuit

Claims (8)

直列接続された複数個のＬＥＤ並びに前記ＬＥＤの直列回路の両端と各別に接続された一対の電極をそれぞれ有する複数の光源部と、透光性材料によって直管状に形成され且つ複数の前記光源部を内部に収納する発光管と、前記発光管の端部を封止する一対の口金と、一方の前記口金に設けられ、前記光源部の一方の電極と個別に接続された複数の個別端子と、他方の前記口金に設けられ、前記光源部の他方の電極と共通に接続された共通端子とを備え、複数の前記光源部は、互いに異なる色の光を放射することを特徴とするＬＥＤランプ。   A plurality of light sources having a plurality of LEDs connected in series and a pair of electrodes respectively connected to both ends of the series circuit of the LEDs, and a plurality of the light sources formed in a straight tube by a translucent material And a pair of caps for sealing the end of the arc tube, and a plurality of individual terminals provided on one of the caps and individually connected to one electrode of the light source unit, An LED lamp provided on the other base and having a common terminal connected in common with the other electrode of the light source unit, wherein the plurality of light source units emit light of different colors. . 複数の前記光源部は、互いに色温度が異なる光を放射することを特徴とする請求項１記載のＬＥＤランプ。   The LED lamp according to claim 1, wherein the plurality of light source units emit light having different color temperatures. 赤色光を放射する前記光源部と、緑色光を放射する前記光源部と、青色光を放射する前記光源部とを備えることを特徴とする請求項１記載のＬＥＤランプ。   The LED lamp according to claim 1, comprising the light source unit that emits red light, the light source unit that emits green light, and the light source unit that emits blue light. 複数の前記個別端子のうちの少なくとも２つは、前記口金から突出するピン状に形成されていることを特徴とする請求項１〜３の何れか１項に記載のＬＥＤランプ。   4. The LED lamp according to claim 1, wherein at least two of the plurality of individual terminals are formed in a pin shape protruding from the base. 5. 複数の前記個別端子のうちの少なくとも１つは、前記口金から突出する突起状に形成されていることを特徴とする請求項１〜４の何れか１項に記載のＬＥＤランプ。   5. The LED lamp according to claim 1, wherein at least one of the plurality of individual terminals is formed in a protruding shape protruding from the base. 6. 複数の前記個別端子のうちの少なくとも３つが、前記口金から突出するピン状に形成され、さらに、ピン状に形成されている前記個別端子のうちの何れか２つは、残りの１つよりも小型であり且つ互いに隣り合って配置されることを特徴とする請求項１〜３の何れか１項に記載のＬＥＤランプ。   At least three of the plurality of individual terminals are formed in a pin shape protruding from the base, and any two of the individual terminals formed in the pin shape are more than the remaining one The LED lamp according to any one of claims 1 to 3, wherein the LED lamp is small and arranged adjacent to each other. 請求項１〜６の何れかのＬＥＤランプを点灯する点灯装置であって、前記個別端子と前記共通端子を介して複数の前記光源部と各別に接続される複数の点灯回路部を備え、複数の前記点灯回路部は、それぞれが個別に前記光源部への給電量を調整することを特徴とする点灯装置。   A lighting device for lighting the LED lamp according to any one of claims 1 to 6, comprising a plurality of lighting circuit sections connected to the plurality of light source sections through the individual terminals and the common terminal, respectively. Each of the lighting circuit sections individually adjusts the amount of power supplied to the light source section. 請求項１〜６の何れかのＬＥＤランプが備える前記個別端子及び前記共通端子と各別に接続される受け側端子を有する一対のランプソケットと、請求項７の点灯装置と、前記ランプソケット及び前記点灯装置を保持する器具本体とを備えることを特徴とする照明器具。   A pair of lamp sockets each having a receiving terminal connected to the individual terminal and the common terminal provided in the LED lamp according to any one of claims 1 to 6, the lighting device according to claim 7, the lamp socket, and the The lighting fixture characterized by including the fixture main body holding a lighting device.
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JP2016081700A (en) * 2014-10-16 2016-05-16 三菱電機株式会社 Light fitting

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