JP2010087027A - Led board unit integrated with power source circuit - Google Patents

Led board unit integrated with power source circuit Download PDF

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JP2010087027A
JP2010087027A JP2008251524A JP2008251524A JP2010087027A JP 2010087027 A JP2010087027 A JP 2010087027A JP 2008251524 A JP2008251524 A JP 2008251524A JP 2008251524 A JP2008251524 A JP 2008251524A JP 2010087027 A JP2010087027 A JP 2010087027A
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led
board unit
led board
power source
power supply
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JP5062762B2 (en
JP2010087027A5 (en
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Noriyoshi Asada
規義 浅田
Tsutomu Kohiga
勤 小比賀
Susumu Cho
進 長
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FKK Corp
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FKK Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To facilitate a wiring work in arrangement by integrating a power source with an LED board, so as to eliminate the necessity for a power source arrangement place, and so as to drive and turn on LEDs only by connecting an 100 V AC commercial power source. <P>SOLUTION: The high-luminance LEDs 3 are mounted on the printed circuit board 2 of an LED board unit 1 over the substantially whole length by each prescribed pitch. A power source circuit for driving and turning on the LEDs 3 is mounted on a free part on the side part of the LED 3 array. The 100 V AC commercial power source is directly applied to the power source circuit. The LEDs 3 are driven by a constant current. A male type connector 12 and a female type connector 13 are arranged on both ends of each printed circuit board 2, thereby connecting the adjacent LED board units 1 through with the use of the connectors 12, 13. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、高輝度発光ダイオードを照明用に用いた電源回路一体型ＬＥＤ基板ユニットに関するものである。   The present invention relates to a power circuit integrated LED board unit using a high-intensity light emitting diode for illumination.

最近、照明用に使用が可能な高輝度ＬＥＤ（発光ダイオード）が提供されてきている。照明用に高輝度ＬＥＤを使用する場合、照度の点から複数の高輝度ＬＥＤが用いられているのが一般的であり、複数の高輝度ＬＥＤを実装したＬＥＤ基板が使用される。
このＬＥＤ基板は高輝度ＬＥＤのみを実装したものであり、複数の高輝度ＬＥＤを駆動点灯させる電源回路とは分離されており、ＬＥＤ基板と電源回路基板との２つの基板により構成されている。 Recently, high-intensity LEDs (light-emitting diodes) that can be used for illumination have been provided. When using high-intensity LEDs for illumination, a plurality of high-intensity LEDs are generally used in terms of illuminance, and an LED substrate on which a plurality of high-intensity LEDs are mounted is used.
This LED board is mounted with only high-brightness LEDs, and is separated from a power supply circuit that drives and lights a plurality of high-brightness LEDs, and is constituted by two boards, an LED board and a power supply circuit board.

また、他の従来例としては、上述した複数の高輝度ＬＥＤを実装したＬＥＤ基板に対して、市販のＤＣ電源とを組み合わせる場合がある。   As another conventional example, there is a case where a commercially available DC power source is combined with the LED substrate on which the plurality of high-brightness LEDs are mounted.

上記の各従来例においては、ＬＥＤ基板に対して電源回路基板若しくは市販のＤＣ電源とが対となるために、ＬＥＤ基板の個数分だけＬＥＤ基板若しくは市販のＤＣ電源が必要となり、そのため、電源回路基板等の設置場所が個数分だけ増加して、設置スペースが増加するという問題がある。
また、ＬＥＤ基板と電源回路基板等の間をそれぞれコードで接続する必要があり、その上、電源回路基板等からＡＣ１００Ｖへ接続しなければならず、照明ユニットとしての設置作業が煩雑になり、作業効率が悪くなるという問題もある。 In each of the above conventional examples, a power supply circuit board or a commercially available DC power supply is paired with the LED board. Therefore, as many LED boards or commercially available DC power supplies as the number of LED boards are required. There is a problem in that the number of installation locations for substrates and the like increases by the number, and the installation space increases.
In addition, it is necessary to connect the LED board and the power circuit board, etc. with cords, and furthermore, the power circuit board etc. must be connected to AC100V, which makes the installation work as a lighting unit complicated. There is also the problem of inefficiency.

また、高輝度ＬＥＤは、一般に順電圧ＶF のバラツキが大きく、定電圧タイプのＤＣ電源では高輝度ＬＥＤとのマッチングが必要であり、ミスマッチングが起こり易い。さらに、一般のＤＣ２４Ｖ定電圧回路では、ＬＥＤの高温においては、高電流が流れ、ＬＥＤの焼損、または短寿命になり、本来高輝度ＬＥＤが持っている長寿命の特徴を活かすことができないことになる。 Moreover, high-brightness LED is generally large variation in the forward voltage V F, the DC power supply of the constant voltage type requires matching between high-brightness LED, occur mismatching easily. Furthermore, in a general DC 24V constant voltage circuit, a high current flows at a high temperature of the LED, and the LED burns out or has a short life, and the long life characteristics inherent to the high brightness LED cannot be utilized. Become.

本発明は上述の問題点に鑑みて提供したものであって、少なくとも以下の目的を持った電源回路一体型ＬＥＤ基板ユニットを提供するものである。
（１）ＬＥＤ基板に電源を一体化することにより、電源の設置場所を不要とすること。
（２）ＡＣ１００Ｖの商用電源を接続するだけでＬＥＤの駆動点灯ができ、設置の際の配線作業を容易にすること。
（３）複数の棚に設置する場合には、個々に独立した配線を可能にすること。
（４）ＬＥＤ基板の連結接続を可能として、用途に応じてＬＥＤ基板の長さを長くできるようにすること。
（５）ＬＥＤへは定電流駆動として、ＬＥＤへの大電流が流れるのを防止して、ＬＥＤの長寿命化を図ること。 The present invention has been provided in view of the above-described problems, and provides a power circuit integrated LED board unit having at least the following objects.
(1) By integrating the power supply with the LED substrate, the installation place of the power supply is made unnecessary.
(2) The LED can be driven and lit simply by connecting a commercial power supply of AC 100V, and the wiring work at the time of installation is facilitated.
(3) When installing on multiple shelves, enable independent wiring individually.
(4) To enable the LED board to be connected and connected, and to increase the length of the LED board according to the application.
(5) As a constant current drive to the LED, it is possible to prevent a large current from flowing to the LED and extend the life of the LED.

そこで、本発明の請求項１に記載の電源回路一体型ＬＥＤ基板ユニットでは、プリント基板２に高輝度の複数の発光ダイオード３と、これらの発光ダイオード３を駆動点灯する電源回路とを一体に実装してＬＥＤ基板ユニット１を構成し、前記ＬＥＤ基板ユニット１の電源回路の入力側はＡＣ１００Ｖの商用電源が直接入力されるようになっており、前記発光ダイオード３を前記電源回路にて定電流駆動していることを特徴としている。   Therefore, in the power supply circuit integrated LED board unit according to claim 1 of the present invention, a plurality of high-intensity light emitting diodes 3 and a power supply circuit for driving and lighting these light emitting diodes 3 are integrally mounted on the printed board 2. Thus, the LED board unit 1 is configured, and the input side of the power supply circuit of the LED board unit 1 is directly input with a commercial power supply of 100 V AC, and the light emitting diode 3 is driven at a constant current by the power supply circuit. It is characterized by that.

請求項２に記載の電源回路一体型ＬＥＤ基板ユニットでは、前記ＬＥＤ基板ユニット１のプリント基板２の一方の端部にオス型のコネクタ１２が配設され、該プリント基板２の他方の端部にはメス型のコネクタ１３が配設され、隣接する両コネクタ１２、１３にてＬＥＤ基板ユニット１同士を連結可能としていることを特徴としている。   In the power circuit integrated LED board unit according to claim 2, a male connector 12 is provided at one end of the printed board 2 of the LED board unit 1, and the other end of the printed board 2 is provided. Is characterized in that a female connector 13 is disposed and the LED board units 1 can be connected to each other by both adjacent connectors 12 and 13.

本発明の請求項１に記載の電源回路一体型ＬＥＤ基板ユニットによれば、プリント基板２に高輝度の複数の発光ダイオード３と、これらの発光ダイオード３を駆動点灯する電源回路とを一体に実装してＬＥＤ基板ユニット１を構成しているので、発光ダイオード３を駆動点灯するための電源回路の設置場所を不要とすることができる。
また、前記ＬＥＤ基板ユニット１の電源回路の入力側はＡＣ１００Ｖの商用電源が直接入力されるようになっているので、ＡＣ１００Ｖの商用電源を接続するだけで、発光ダイオード３の駆動点灯ができ、設置の際の配線作業を容易にすることができる。また、例えば、什器３０の複数の棚３１にＬＥＤ基板ユニット１を照明ユニットとして設置する場合、ＬＥＤ基板ユニット１個々に独立した配線ができ、設置作業が容易となる。
さらに、前記発光ダイオード３を前記電源回路にて定電流駆動していることで、高輝度の発光ダイオード３は大電流が必要であるものの、必要以上の大電流が発光ダイオード３に流れるのを防止できて、発光ダイオード３が焼損するのを防止でき、発光ダイオード３の長寿命化を図ることができる。 According to the power supply circuit integrated LED board unit according to claim 1 of the present invention, a plurality of high-intensity light emitting diodes 3 and a power supply circuit for driving and lighting these light emitting diodes 3 are integrally mounted on the printed circuit board 2. Thus, since the LED substrate unit 1 is configured, the installation place of the power supply circuit for driving and lighting the light emitting diode 3 can be made unnecessary.
Further, since the commercial power supply of AC100V is directly inputted to the input side of the power supply circuit of the LED board unit 1, the light emitting diode 3 can be driven and lighted only by connecting the commercial power supply of AC100V. In this case, the wiring work can be facilitated. Further, for example, when the LED board unit 1 is installed as a lighting unit on the plurality of shelves 31 of the fixture 30, independent wiring can be made for each LED board unit 1 and installation work is facilitated.
Further, since the light emitting diode 3 is driven at a constant current by the power supply circuit, the high luminance light emitting diode 3 needs a large current but prevents a large current from flowing to the light emitting diode 3 more than necessary. Thus, the light emitting diode 3 can be prevented from being burned out, and the life of the light emitting diode 3 can be extended.

請求項２に記載の電源回路一体型ＬＥＤ基板ユニットによれば、前記ＬＥＤ基板ユニット１のプリント基板２の一方の端部にオス型のコネクタ１２が配設され、該プリント基板２の他方の端部にはメス型のコネクタ１３が配設されているので、両コネクタ１２、１３により隣接するＬＥＤ基板ユニット１の連結が可能となり、用途に応じてＬＥＤ基板ユニット１の長さを長くすることができる。   According to the power circuit integrated LED board unit according to claim 2, the male connector 12 is disposed at one end of the printed board 2 of the LED board unit 1, and the other end of the printed board 2. Since the female connector 13 is disposed in the portion, the adjacent LED substrate units 1 can be connected by the connectors 12 and 13, and the length of the LED substrate unit 1 can be increased according to the application. it can.

以下、本発明の実施の形態を図面を参照して詳細に説明する。図１はＬＥＤ基板ユニット１を示し、横方向に寸法が長いＬＥＤ基板ユニットを１ａとし、このＬＥＤ基板ユニット１ａより横方向に寸法が短い方のＬＥＤ基板ユニットを１ｂとする。
この２つのＬＥＤ基板ユニット１ａ、１ｂは後述するように横方向に連結可能としており、使用箇所に応じて照明ユニットとしての長さを適宜長くできるようにしている。なお、両ＬＥＤ基板ユニット１ａ、１ｂの違いは、長さに応じて使用している高輝度ＬＥＤの個数が異なるだけで、該ＬＥＤを点灯駆動する電源回路等は同じ構成としている。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 shows an LED board unit 1 where an LED board unit having a long dimension in the lateral direction is denoted by 1a, and an LED board unit having a dimension smaller in the lateral direction than the LED board unit 1a is denoted by 1b.
The two LED substrate units 1a and 1b can be connected in the horizontal direction as will be described later, and the length of the illumination unit can be appropriately increased according to the place of use. The difference between the two LED board units 1a and 1b is that the number of high-brightness LEDs used is different depending on the length, and the power supply circuit for lighting and driving the LEDs has the same configuration.

ＬＥＤ基板ユニット１ａ、１ｂについて説明するが、上述したように両者は同じ構成なので、ＬＥＤ基板ユニット１ａの方について説明し、他方のＬＥＤ基板ユニット１ｂについて同一の番号を付して説明は省略する。
なお、図１（ａ）はＬＥＤや電源回路を実装していない状態を示し、（ｂ）は高輝度ＬＥＤ３を実装した状態を示している。ＬＥＤ３を実装するためのプリント基板２は、細長状のガラスエポキシ基板にて構成されており、該プリント基板２の一方側にＬＥＤ３を実装するための取付穴１０が所定のピッチ毎に略全長にわたって穿孔されている。 Although LED board unit 1a, 1b is demonstrated, since both are the same structures as mentioned above, the LED board unit 1a is demonstrated and the same number is attached | subjected about the other LED board unit 1b, and description is abbreviate | omitted.
1A shows a state where no LED or power supply circuit is mounted, and FIG. 1B shows a state where the high-intensity LED 3 is mounted. The printed circuit board 2 for mounting the LED 3 is composed of an elongated glass epoxy board, and the mounting holes 10 for mounting the LED 3 on one side of the printed circuit board 2 extend over substantially the entire length for every predetermined pitch. Perforated.

なお、上記プリント基板２の材質として、ガラスエポキシを例として説明したが、ガラスエポキシに限らず、アルミ基板や、ベークライト基板にてプリント基板２を構成するようにしても良く、どのような材質でプリント基板２を構成しても良い。   In addition, although the glass epoxy was demonstrated as an example as a material of the said printed circuit board 2, you may make it comprise the printed circuit board 2 with not only a glass epoxy but an aluminum substrate or a bakelite substrate, What kind of material is used for it? The printed circuit board 2 may be configured.

また、プリント基板２の長手方向の３箇所には、ＬＥＤ基板ユニット１ａを設置箇所にボルト等にて取り付けるためのボルト挿通用の固定用穴１１が穿設されている。プリント基板２の一方の端部にはオス型のコネクタ１２が配設されており、このオス型のコネクタ１２と接続されるメス型のコネクタ１３がプリント基板２の他方の端部に配設されている。
両ＬＥＤ基板ユニット１ａ、１ｂを横方向に並設すると、ＬＥＤ基板ユニット１ａのメス型のコネクタ１３に、他方のＬＥＤ基板ユニット１ｂのオス型のコネクタ１２が対向した状態となり、このコネクタ１２をコネクタ１３に挿入接続することで、両ＬＥＤ基板ユニット１ａ、１ｂが連結されることになる。 Further, fixing holes 11 for inserting bolts for attaching the LED board unit 1a to the installation locations with bolts or the like are formed at three locations in the longitudinal direction of the printed circuit board 2. A male connector 12 is disposed at one end of the printed circuit board 2, and a female connector 13 connected to the male connector 12 is disposed at the other end of the printed circuit board 2. ing.
When both LED board units 1a and 1b are arranged side by side, the male connector 12 of the other LED board unit 1b is opposed to the female connector 13 of the LED board unit 1a. By inserting and connecting to 13, both LED board units 1a and 1b are connected.

ＬＥＤ基板ユニット１ａのプリント基板２には略全長にわたってＡＣ１００Ｖを通電するための一対のパターン１４が銅箔にて形成されていて、このパターン１４は前記コネクタ１２、１３間に接続されている。
また、プリント基板２にはＡＣ１００Ｖのコードの導体部分が挿入される電源接続用穴１５が一対穿孔されており、この電源接続用穴１５の銅箔のランドとパターン１４とが導通していて、この電源接続用穴１５にＡＣ１００Ｖのコードの導体をハンダ付けすることで、一対の銅箔のパターン１４にＡＣ１００Ｖが供給される。なお、この一対のパターン１４はプリント基板２の上下面に１条ずつ形成しているが、プリント基板２の表面、あるいは裏面のいずれかに並設してパターン１４を形成するようにしても良い。 The printed circuit board 2 of the LED board unit 1a is formed with a pair of patterns 14 made of copper foil for energizing AC 100V over substantially the entire length, and this pattern 14 is connected between the connectors 12 and 13.
Further, the printed circuit board 2 has a pair of power connection holes 15 into which conductor portions of AC100V cords are inserted, and the copper foil lands in the power connection holes 15 and the pattern 14 are electrically connected. AC100V is supplied to the pair of copper foil patterns 14 by soldering an AC100V cord conductor to the power connection hole 15. The pair of patterns 14 is formed on the upper and lower surfaces of the printed circuit board 2 one by one. However, the patterns 14 may be formed side by side on either the front surface or the back surface of the printed circuit board 2. .

したがって、ＬＥＤ基板ユニット１ａ、１ｂを図２に示すように、コネクタ１２、１３にて接続した場合には、一方のＬＥＤ基板ユニット１ａから、他方のＬＥＤ基板ユニット１ｂへは、パターン１４及びコネクタ１２、１３を介してＡＣ１００Ｖが供給されるようになっている。
このコネクタ１２、１３には、構造的に連結する機構以外に、隣り合うプリント基板２、２のパターン１４を接続すべく、コネクタ１２、１３の内部には、パターン１４と接続されたピン（図示せず）が設けてあり、両コネクタ１２、１３のピン同士が接触して、ＡＣ１００Ｖを他方のプリント基板２に供給可能となっている。 Therefore, when the LED board units 1a and 1b are connected by the connectors 12 and 13, as shown in FIG. 2, the pattern 14 and the connector 12 are connected from one LED board unit 1a to the other LED board unit 1b. , 13 is supplied with AC 100V.
In addition to the structurally connecting mechanism, the connectors 12 and 13 have pins connected to the pattern 14 inside the connectors 12 and 13 in order to connect the patterns 14 of the adjacent printed boards 2 and 2 (see FIG. (Not shown), the pins of both connectors 12 and 13 are in contact with each other, and AC 100 V can be supplied to the other printed circuit board 2.

なお、本実施形態では、ＬＥＤ３は砲弾型と呼ばれる発光ダイオードを用いているが、表面実装型の発光ダイオードを用いるようにしても良い。   In the present embodiment, the LED 3 uses a light emitting diode called a shell type, but a surface mount type light emitting diode may be used.

図３は、プリント基板２に実装されるＬＥＤ３を駆動点灯するための駆動回路（電源回路）の具体回路図を示しており、端子Ｔ１、Ｔ２間にＡＣ１００Ｖの商用電源が印加されて、コンデンサＣ１、サージアブソーバーＺ１、チョークコイルＬ１、ダイオードブリッジＤＢ及び電解コンデンサＣ２を介して直流電圧に変換される。
本発明では、ＬＥＤ３を定電流駆動しており、このＬＥＤ駆動回路は、主にＩＣ２０、コイルＬ２、ＬＥＤ３に流す定電流値調整用のボリュームＶＲ、抵抗等で構成されている。 FIG. 3 shows a specific circuit diagram of a drive circuit (power supply circuit) for driving and lighting the LED 3 mounted on the printed circuit board 2. A commercial power supply of AC 100V is applied between the terminals T1 and T2, and the capacitor C1 The DC voltage is converted through the surge absorber Z1, the choke coil L1, the diode bridge DB, and the electrolytic capacitor C2.
In the present invention, the LED 3 is driven with a constant current, and this LED drive circuit is mainly composed of an IC 20, a coil L 2, a constant current value adjusting volume VR that flows through the LED 3, a resistor, and the like.

ダイオードブリッジＤＢの出力端とコイルＬ２との間に端子Ｔ３、Ｔ４が設けられており、この端子Ｔ３、Ｔ４に直列に接続した複数のＬＥＤ３・・・が接続されるようになっており、これらの複数のＬＥＤ３がＩＣ２０、コイルＬ２等で構成される駆動回路により定電流にて駆動点灯される。
このように、ＬＥＤ３を定電流にて駆動点灯しているので、高輝度ＬＥＤ３は大電流が必要であるものの、必要以上の大電流が流れるのを防止でき、そのため、ＬＥＤ３が焼損するのを防止できて、ＬＥＤ３の長寿命化を図ることができる。 Terminals T3 and T4 are provided between the output end of the diode bridge DB and the coil L2, and a plurality of LEDs 3 connected in series to the terminals T3 and T4 are connected. The plurality of LEDs 3 are driven and lit at a constant current by a drive circuit including an IC 20 and a coil L2.
In this way, since the LED 3 is driven and lit at a constant current, the high-intensity LED 3 can prevent a large current from flowing, although it requires a large current, and therefore prevents the LED 3 from burning out. Thus, the life of the LED 3 can be extended.

図２に図３に示す回路を実装した状態を示し、ＬＥＤ３をプリント基板２の片側に実装し、そのＬＥＤ３列の側方のあいたスペースに各部品を実装しているものである。この駆動回路（点灯回路）にノイズ対策回路等種々の保護回路を内蔵することで、自己完結型のＬＥＤ基板ユニット１ａを構成することができる。   FIG. 2 shows a state in which the circuit shown in FIG. 3 is mounted. The LED 3 is mounted on one side of the printed circuit board 2, and each component is mounted in a space between the sides of the LED 3 row. By incorporating various protection circuits such as a noise countermeasure circuit in the drive circuit (lighting circuit), a self-contained LED substrate unit 1a can be configured.

図４は、例えば化粧品等を陳列するための什器３０の正面図を示し、複数段の棚３１の下面前方に照明ユニットとして上記ＬＥＤ基板ユニット１を配設したものである。このＬＥＤ基板ユニット１は、例えば、棚３１の横方向の寸法に合わせて図２に示すように、２つのＬＥＤ基板ユニット１ａ、１ｂをコネクタ１２、１３にて連結して使用している。   FIG. 4 shows a front view of a fixture 30 for displaying, for example, cosmetics and the like, in which the LED board unit 1 is disposed as an illumination unit in front of the lower surface of a plurality of shelves 31. The LED board unit 1 uses, for example, two LED board units 1a and 1b connected by connectors 12 and 13 as shown in FIG.

また、什器３０の一方の端部には縦方向にＡＣ１００Ｖを供給するための縦長のラインコンセント３２が配設されていて、このラインコンセント３２にＬＥＤ基板ユニット１から導出されているプラグ３３を差し込むだけで、ＬＥＤ基板ユニット１にＡＣ１００Ｖが容易に供給でき、棚３１ごとに独立した配線が可能となる。
特に、ＬＥＤ基板ユニット１にはＬＥＤ３を駆動点灯するための駆動回路（電源回路）をＬＥＤ３と一体に搭載しているので、駆動回路の設置場所が不要となり、省スペース化を図ることができ、また、ＬＥＤ基板ユニット１の設置の際の配線を容易にすることができる。 A vertical line outlet 32 for supplying AC 100 V in the vertical direction is disposed at one end of the fixture 30, and a plug 33 led out from the LED board unit 1 is inserted into the line outlet 32. As a result, AC100V can be easily supplied to the LED board unit 1 and independent wiring for each shelf 31 becomes possible.
In particular, since the LED board unit 1 has a drive circuit (power circuit) for driving and lighting the LED 3 integrally mounted with the LED 3, an installation place of the drive circuit is not required, and space can be saved. Moreover, the wiring at the time of installation of the LED board unit 1 can be made easy.

なお、上記の説明では、定電流調整用のボリュームＶＲをＬＥＤ基板ユニット１に実装して、このボリュームＶＲを調整することで、ＬＥＤ３に調光機能を持たせているが、別途外部からの調整によりＬＥＤ３の調光を行なうようにしても良い。例えば、ボリュームＶＲをＬＥＤ基板ユニット１に実装せずに、該ボリュームＶＲを外部へ引き出しておいて、適宜な場所、例えば、図４に示す什器３０の側面等に配置しておき、ＬＥＤ基板ユニット１を棚３１の下面に設置後に、該ボリュームＶＲにて調光して、適宜な明るさに可変設定が可能となる。   In the above description, the constant current adjustment volume VR is mounted on the LED board unit 1 and the volume VR is adjusted to give the LED 3 a dimming function. Therefore, the LED 3 may be dimmed. For example, without mounting the volume VR on the LED board unit 1, the volume VR is pulled out to the outside and placed at an appropriate place, for example, the side surface of the fixture 30 shown in FIG. After 1 is installed on the lower surface of the shelf 31, it can be variably set to an appropriate brightness by dimming with the volume VR.

（ａ）（ｂ）は本発明の実施の形態におけるＬＥＤ基板ユニットの平面図及び側面図である。(A) and (b) are the top views and side views of the LED board unit in embodiment of this invention. 本発明の実施の形態におけるＬＥＤ基板ユニットを連結した状態の平面図である。It is a top view of the state which connected the LED board unit in embodiment of this invention. 本発明の実施の形態における電源回路の具体回路図である。It is a specific circuit diagram of the power supply circuit in the embodiment of the present invention. 本発明のＬＥＤ基板ユニットを照明ユニットとして什器の棚に設置した例を示す図である。It is a figure which shows the example which installed the LED board unit of this invention in the shelf of the fixture as a lighting unit.

符号の説明Explanation of symbols

１ ＬＥＤ基板ユニット
２ プリント基板
３ 発光ダイオード（ＬＥＤ）
１２、１３ コネクタ 1 LED board unit 2 Printed board 3 Light emitting diode (LED)
12, 13 connector

Claims (2)

プリント基板（２）に高輝度の複数の発光ダイオード（３）と、これらの発光ダイオード（３）を駆動点灯する電源回路とを一体に実装してＬＥＤ基板ユニット（１）を構成し、
前記ＬＥＤ基板ユニット（１）の電源回路の入力側はＡＣ１００Ｖの商用電源が直接入力されるようになっており、
前記発光ダイオード（３）を前記電源回路にて定電流駆動していることを特徴とする電源回路一体型ＬＥＤ基板ユニット。 A plurality of high-intensity light emitting diodes (3) and a power supply circuit for driving and lighting these light emitting diodes (3) are integrally mounted on the printed circuit board (2) to constitute an LED board unit (1),
The input side of the power supply circuit of the LED board unit (1) is designed to directly input a commercial power supply of AC100V,
A power circuit integrated LED board unit, wherein the light emitting diode (3) is driven with a constant current by the power circuit. 前記ＬＥＤ基板ユニット（１）のプリント基板（２）の一方の端部にオス型のコネクタ（１２）が配設され、該プリント基板（２）の他方の端部にはメス型のコネクタ（１３）が配設され、隣接する両コネクタ（１２）（１３）にてＬＥＤ基板ユニット（１）同士を連結可能としていることを特徴とする請求項１に記載の電源回路一体型ＬＥＤ基板ユニット。   A male connector (12) is disposed at one end of the printed circuit board (2) of the LED substrate unit (1), and a female connector (13) is disposed at the other end of the printed circuit board (2). The LED circuit board unit with integrated power supply circuit according to claim 1, wherein the LED circuit board units (1) can be connected to each other by both adjacent connectors (12) (13).
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