JPH09265807A - Led light source, led signal lamp, and traffic signal - Google Patents

Led light source, led signal lamp, and traffic signal

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Publication number
JPH09265807A
JPH09265807A JP8077683A JP7768396A JPH09265807A JP H09265807 A JPH09265807 A JP H09265807A JP 8077683 A JP8077683 A JP 8077683A JP 7768396 A JP7768396 A JP 7768396A JP H09265807 A JPH09265807 A JP H09265807A
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JP
Japan
Prior art keywords
light
led
light source
signal
reflector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP8077683A
Other languages
Japanese (ja)
Inventor
Mikihito Sekiguchi
Takumi Suwa
巧 諏訪
幹仁 関口
Original Assignee
Toshiba Lighting & Technol Corp
東芝ライテック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Lighting & Technol Corp, 東芝ライテック株式会社 filed Critical Toshiba Lighting & Technol Corp
Priority to JP8077683A priority Critical patent/JPH09265807A/en
Publication of JPH09265807A publication Critical patent/JPH09265807A/en
Application status is Pending legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00Reflectors for light sources
    • F21V7/04Optical design
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/003Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/20Cooling devices, cooling systems or arrangements thereof
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50Cooling arrangements
    • F21V29/502Cooling arrangements characterised by the adaptation for cooling of specific components
    • F21V29/505Cooling arrangements characterised by the adaptation for cooling of specific components of reflectors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2107/00Light sources with three-dimensionally disposed light-generating elements
    • F21Y2107/30Light sources with three-dimensionally disposed light-generating elements on the outer surface of cylindrical surfaces, e.g. rod-shaped supports having a circular or a polygonal cross section
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21YINDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00Light-generating elements of semiconductor light sources
    • F21Y2115/10Light-emitting diodes [LED]

Abstract

PROBLEM TO BE SOLVED: To improve maintenance easiness such as light source exchange work at a high place, make compatible with the conventional incandescent bulb signal lamp, and improve fixture efficiency with better visibility by using a light emitting diode having a long service life. SOLUTION: An LED signal lamp 1 is provided with an LED light source 3 in a cup-shaped reflection mirror 2. The light source 3 permits plural circuit boards 5 to be arranged at a polygonal cylinder axially of the mirror 2. Plural LEDs 6 are closely mounted on the outer face of these boards 5. All the LEDs 6 are light-emitted in blue, yellow, or red. A cylindrical support cylinder 7 is secured eccentricity at the right end of the polygonal cylinder of the board 5. The penetration bole of a convergent diameter and 2d of the mirror 2 is closely penetrated and protruded outward at the right end of the cylinder 7 and is secured at this penetration part by adhesive such as cement. At the outer end of the cylinder 7, for example, a metal base 8 with its constitution identical to that of the metal base of the conventional incandescent bulb signal light is concentrically secured. The metal base 8 protrudes electric electric terminals 8b and 8c on the outer circumference face of the entire metal base 8a to be inserted into a power supply socket and forms an eyelet 8d.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【発明の属する技術分野】本発明は道路交通用信号機とそのLED信号灯およびLED光源に関する。 The present invention is a road traffic for traffic related to the LED signal lights and LED light source. BACKGROUND OF THE INVENTION

【0002】 [0002]

【従来の技術】従来、この種の信号灯としては、椀状の反射鏡内に白熱電球を内蔵し、反射鏡の投光開口端を閉じる透光性カバーを青,黄,赤に着色したものが知られている。 Conventionally, those as the lights of this type, which incorporates a incandescent lamp in a bowl-shaped reflector in, colored close the light projecting open end of the reflector a light transmitting cover blue, yellow, red It has been known.

【0003】しかし、この種の信号灯では白熱電球の寿命が短かく、一般に信号灯は高所に設置されることが多いので、この白熱電球を交換するメンテナンスが必ずしも容易ではないという課題がある。 However, the life is short of such incandescent lamps in signal lamps, since generally the signal lamp is often installed in a high place, there is a problem that maintenance is not always easy to replace the incandescent light bulb.

【0004】そこで、実開平6−43917号公報に記載された表示用ランプや実開平6−77107号公報に記載された信号灯等では光源として長寿命の発光ダイオード(以下LEDという)を使用しているものがある。 [0004] Therefore, in the real-Open 6-43917 JP signal light according to the display lamp or the real Hei 6-77107 discloses described in such using light emitting diodes (hereinafter referred to as LED) long life as a light source there are things you are.

【0005】 [0005]

【発明が解決しようとする課題】しかしながら、これらの公報にはその表示用ランプや信号灯の口金を、従来の白熱電球式信号灯の口金と互換性を持たせるように構成する旨の記載がないので、これら表示ランプ等を単に道路交通用信号機の信号灯に適用することができない。 [SUMMARY OF THE INVENTION However, the in these publications mouthpiece of the display lamp and signal lamp, since there is no description to the effect that configured to have a mouthpiece compatible with a conventional incandescent light bulb type signal lamp simply can not be applied to the signal lights of the road traffic for traffic these display lamp.

【0006】また、これらの公報には反射鏡の投光端を閉じる前面レンズを無色に構成する点が記載されていないから、前面レンズの西日等の反射による疑似点灯現象を解消することができず、必ずしも視認性が良好ではない。 Moreover, since these are the publication does not describe the point that constitutes a front lens closing the light projecting end of the reflector colorless, is possible to eliminate the pseudo lighting phenomenon due to the reflection of the afternoon sun or the like of the front lens It can not be, it is not necessarily the visibility is good.

【0007】また、LEDは光の直進性が良好であるので、反射鏡の焦点が単一である場合には、この反射鏡により反射される一部のLEDの発光しか有効に利用できないので、器具効率が低いという課題がある。 Further, since the LED straightness of light is good, if the focal point of the reflector is a single, so can not be utilized effectively only emission of a portion of the LED that is reflected by the reflection mirror, there is a problem of low device efficiency.

【0008】そこで本発明の目的は、長寿命のLEDを光源として使用することにより、高所での光源交換作業等のメンテナンスの容易性を向上させることができるうえに、従来の白熱電球式信号灯と互換性を有し、視認性が良好で、器具効率の高いLED光源,LED信号灯および信号機を提供することにある。 [0008] It is an object of the present invention, by using the LED long life as a light source, in terms of capable of improving the ease of maintenance such light source replacing at heights, conventional incandescent light bulb type signal lamp and it has a compatibility, a visibility satisfactory, is to provide a high LED light source of the instrument efficiency, LED signal lights and traffic lights.

【0009】 [0009]

【課題を解決するための手段】本願の請求項1の発明は、少なくとも縮径端部内面を反射面に形成している椀状反射鏡と;反射鏡内の縮径端部側にて複数配設される発光ダイオードと;反射鏡内の発光ダイオードよりも投光開口端側に配設されて各発光ダイオードを駆動する点灯回路基板と;点灯回路基板に電気的に接続される口金と;を具備していることを特徴とする。 The invention of claim 1 application of the Summary of] at least reduced diameter end portion bowl-shaped reflector is formed on the reflecting surface of the inner surface and; more at reduced diameter end portion side of the reflector a light emitting diode disposed; and the base is electrically connected to the lighting circuit board; lighting circuit board and which is disposed on the light projecting opening end side for driving each light-emitting diode than the light emitting diodes in the reflector; characterized in that it comprises a.

【0010】本請求項によれば、複数の発光ダイオード(LED)を椀状の反射鏡内の縮径端部側に配設する一方、点灯回路基板をLEDよりも投光端側へ配設しているので、縮径端部側反射面をLEDからの光の反射に有効に利用することができ、器具効率を高めることができる。 According to the claims, while arranged plurality of light emitting diodes (LED) in the reduced diameter end portion side of the bowl-shaped in the reflecting mirror, disposed the lighting circuit substrate to the projection end side of the LED since it is, and it is possible to effectively utilize the reduced diameter end portion side reflecting surface reflecting the light from the LED, it is possible to increase the device efficiency.

【0011】また、光源が長寿命のLEDであるので、 Further, since the light source is a LED long life,
寿命の尽きたLEDを交換する回数を減少させることができ、高所でのLEDの交換作業のメンテナンスを軽減することができる。 It is possible to reduce the number of times of exchanging the LED end of life, it is possible to reduce the maintenance LED of replacement at heights.

【0012】請求項2の発明は、反射鏡は、複数の発光ダイオードを複数のブロックに区分したときに、各ブロックの発光ダイオードからの光をそれぞれ個別に反射するように、反射面を各ブロック毎に形成していることを特徴とする。 [0012] According to a second aspect of the invention, reflector, when dividing the plurality of light emitting diodes into a plurality of blocks, the light from the light emitting diodes of each block so as to reflect individually, the reflecting surfaces each block characterized in that it is formed for each.

【0013】本請求項によれば、LEDからの光を反射する反射鏡の反射面を、LEDの各ブロック毎にそれぞれ有効に利用することができるので、さらに器具効率を高めて輝度を高め、視認性を向上させることができる。 According to the claims, the reflecting surface of the reflecting mirror for reflecting light from the LED, since each block of the LED can be effectively utilized respectively to increase the brightness to further enhance instrument efficiency, it is possible to improve the visibility.

【0014】請求項3の発明は、口金は、給電用ソケット内に出入自在に挿入される口金本体と;口金本体の胴部外面で直径方向外方へそれぞれ突出して、給電用ソケットの係合溝に係脱自在に係止されて電気的に接続される一対の電気端子と;口金本体の先端部に形成されて給電用ソケットに電気的に接続される電気端子と;を具備していることを特徴とする。 [0014] The invention of claim 3, mouthpiece includes a base body which is inserted freely and from the power supply in a socket; in barrel outer surface of the base body to protrude the diameter outward, engagement of the feeding socket It is provided with; and electrical terminals are electrically connected to be formed on the distal end portion of the base body power supply socket; detachably to locked by a pair of electrical terminals and electrically connected to the groove it is characterized in.

【0015】本請求項によれば、口金を、従来の白熱電球式信号灯の口金と同様に構成しているので、本発明に係るLED光源を白熱電球式信号灯に容易に置換することができ、このLED光源の適用範囲の拡大を図ることができる。 According to the present aspect, the mouthpiece, and since the same configuration as the die of a conventional incandescent bulb type signal lamp, it is possible to easily replace the LED light source according to the present invention the incandescent type lights, it is possible to increase the application range of the LED light source.

【0016】請求項4の発明は、全発光ダイオードが青,黄,赤のいずれかに発光する請求項1ないし3のいずれか一記載のLED光源と;LED光源の反射鏡内の点灯回路基板よりも投光側に配設される複数の発光ダイオードと;反射鏡の投光開口端を閉じる無色透明のカバーと;を具備していることを特徴とする。 [0016] A fourth aspect of the present invention, all the light-emitting diode is blue, yellow, LED light source and of any one of claims 1 to 3 for emitting either red; lighting circuit board in the reflector of the LED light source characterized in that it comprises a; plurality of a light emitting diode disposed on the light projecting side from; the cover colorless transparent closing the light projecting open end of the reflector.

【0017】本請求項によれば、信号灯の光源として、 According to the claims, as the light source of the signal lamp,
長寿命のLEDを使用しているので、寿命の尽きたLE Because it uses LED long life, LE which end of life
Dを交換する回数を減少させることができる。 It is possible to reduce the number of times of exchanging D. したがって、一般に高所に設置されることの多い信号灯の交換等のメンテナンスを軽減することができる。 Therefore, in general maintenance such as replacement of more signal lights be installed in high places can be reduced.

【0018】また、反射鏡の透光性カバーが無色であるので、この透光性カバーに西日が殆ど反射せずに透過する。 Further, since the translucent cover of the reflector is a colorless, afternoon sun on the light-transmitting cover is transmitted with little reflection. また、反射しても、反射光は、色光とならない。 Further, even if reflected, the reflected light, not a color light. このために、反射による疑似点灯を防止して、視認性を向上させることができる。 Therefore, to prevent the pseudo lighting by reflection, it is possible to improve the visibility.

【0019】請求項5の発明は、少なくとも青,黄,赤にそれぞれ発光する請求項4記載の複数の信号灯と;これら各信号灯をそれぞれ固定する器具本体と;器具本体を支持するポールと;具備していることを特徴とする。 [0019] The invention of claim 5, at least blue, yellow, and a plurality of signal lights according to claim 4 wherein the light emitting respectively red; Paul and supporting the instrument body; includes the instrument body and to fix each of these lights, respectively and characterized in that it.

【0020】本請求項によれば、青,黄,赤にそれぞれ発光する複数の信号灯により信号機に構成することができる。 According to the claims, it can be configured blue, yellow, to the traffic of a plurality of signal lights that emit respectively red. また、この信号機は請求項4に記載の信号灯を具備しているので、この信号灯とほぼ同様の作用効果を奏することができる。 Moreover, this traffic is because it comprises a signal lamp according to claim 4, it is possible to obtain substantially the same operational effects as the signal light.

【0021】請求項6の発明は、各信号灯の点消灯を制御する制御装置;を具備していることを特徴とする。 [0021] The invention of claim 6, a control device for controlling the off points of each signal light; characterized in that it comprises a.

【0022】本請求項によれば、請求項5記載の信号機を具備しているので、この信号機とほぼ同様の作用効果を奏することができる。 According to the present aspect, since the provided traffic signal of claim 5, it is possible to obtain substantially the same operational effects as the traffic.

【0023】 [0023]

【発明の実施の形態】以下、図1〜図5を参照して本発明の実施の形態を説明する。 BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, with reference to FIGS. 1 to 5 illustrating the preferred embodiment of the present invention. なお、図1〜図5中、同一または相当部分には同一符号を付している。 In FIG. 1 to FIG. 5, and like reference numerals denote the same or corresponding parts.

【0024】図1は本発明の第1の実施形態に係るLE [0024] Figure 1 according to a first embodiment of the present invention LE
D信号灯の一部切欠正面図であり、図において、LED A partially cutaway front view of the D signal lamp, in FIG, LED
信号灯1は椀状の反射鏡2内に、LED(発光ダイオード)光源3を同心状に設けている。 The signal lamp 1 is bowl-shaped reflector 2, is provided with a LED (light emitting diode) light source 3 concentrically.

【0025】反射鏡2はガラス等により椀状に形成された本体2aの内面を放物面状に形成し、この放物面状内面に、アルミ等を蒸着して反射面2bに形成している。 The reflector 2 forms the inner surface of the main body 2a formed in a bowl shape by glass or the like to a parabolic shape, and the parabolic inner surface formed to the reflecting surface 2b by depositing aluminum or the like there.
この反射鏡2は反射面2bを多層干渉膜により形成することにより、可視光を反射させる一方、赤外線を透過させるダイクロイックミラーに構成してもよい。 By the reflecting mirror 2 to form a reflecting surface 2b by a multilayer interference film, while reflecting visible light, it may be configured on a dichroic mirror which transmits infrared. 反射鏡2 Reflector 2
の投光用開口端2cには無色透明の前面ガラス4を嵌合させている。 The light projecting opening end 2c are fitted to the front glass 4 colorless transparent.

【0026】LED光源3は図2に示すように反射鏡2 The LED light source 3 is reflected mirror as shown in FIG. 2 2
の軸方向に細長い平板状の複数枚の回路基板5を六角筒等の多角筒に配置して、これら各回路基板5の隣り合う端部同士を固着している。 By placing the circuit board 5 of a plurality into polygonal tube of hexagonal cylinder, etc. in the axial direction of the elongated plate-shaped, are fixed to an end portion adjacent the respective circuit boards 5. これら各回路基板5の外側面上には複数のLED6をそれぞれ密に実装し、これらL A plurality of LED6 was densely mounted respectively on the outer surfaces of each circuit board 5, these L
ED6を反射鏡2内の椀状縮径端部にて反射面2bに対向させている。 And to face the reflecting surface 2b at bowl-shaped reduced diameter end portion of the reflecting mirror 2 and ED6. 全LED6は全て青,黄,赤のいずれかに発光するようになっている。 All LED6 is all blue, yellow, is adapted to emit light in one of the red.

【0027】回路基板5の六角筒の図1中右端部には筒状の支持筒7を同心状に固着している。 [0027] In the figure 1 the right end portion of the hexagonal cylinder of the circuit board 5 are fixed a cylindrical support tube 7 concentrically. 支持筒7の図中右端部は反射鏡2の縮径端2dの貫通孔を密に貫通して外方へ突出し、この貫通部にて図示しないセメント等の接着剤により固着されている。 FIG right end portion of the support tube 7 is secured projecting outwardly tightly through the through holes of the reduced diameter end 2d of the reflecting mirror 2 by adhesive cement or the like (not shown) at the through portion.

【0028】支持筒7の外端部には例えば従来の白熱電球型信号灯の口金と同じ構成の口金8が同心状に固着されている。 The cap 8 of the outer end portion for example, the same configuration as the die of a conventional incandescent bulb type signal lamp support tube 7 is fixed concentrically.

【0029】口金8は図示しない給電用ソケット内に出入自在に挿入される口金本体8aの胴部外周面に、直径方向外方へそれぞれ突出する一対の電気端子8b,8c The cap 8 is the body outer peripheral surface of the die main body 8a is inserted freely and from the power supply socket (not shown), a pair of electrical terminals 8b which respectively protrude diametrically outward, 8c
を突設する一方、口金本体8aの先端にアイレット8d While projecting the eyelet at the tip of the base body 8a 8d
を形成している。 To form a.

【0030】つまり、口金8は図示しない給電用ソケット内に挿入されたときに、軸心周りに例えば約90°程度回転されることにより嵌着されて、一対の電気端子8 [0030] That is, when the cap 8 is inserted into the power supply socket, not shown, is fitted by being rotated about the about the axis such as about 90 °, a pair of electrical terminals 8
b,8cとアイレット8dとが給電用ソケットの内面に電気的に接続され、給電されるようになっている。 b, 8c and the eyelet 8d are electrically connected to the inner surface of the feeding socket, it is adapted to be powered.

【0031】そして、回路基板5の六角筒の図1中左端、つまり反射鏡2内のLED6設置箇所よりも反射鏡2の投光開口端2c寄りの先端には複数枚の点灯回路基板9を六角筒状に構成して同心状に固着している。 [0031] Then, in FIG. 1 the left end of the hexagonal cylinder of the circuit board 5, i.e. a plurality of lighting circuit board 9 at the tip of the light projecting open end 2c side of the reflecting mirror 2 than LED6 Locations in the reflector 2 It is fixed coaxially to constitute a hexagonal tubular shape.

【0032】つまり、各点灯回路基板9はLEDの点灯回路を形成した長方形の基板を、内外2重に張り合せて六角筒状に形成し、口金8の一対の電気端子8b,8c [0032] That is, the lighting circuit board 9 forms a rectangular substrate formed with a lighting circuit of the LED, the hexagonal tubular to fit tight to the inner and outer double, a pair of electrical terminals 8b of the base 8, 8c
とアイレット8dの各内面に図示しないリード線を介して電気的に接続される一方、各回路基板5に電気的に接続されており、口金8から給電された商用交流を直流に整流して、各LED6を点灯させ、または消灯させるようになっている。 And one which is electrically connected through a lead wire (not shown) to each inner surface of the eyelet 8d, is electrically connected to the circuit board 5, rectifies the commercial alternating current fed from the mouthpiece 8 into direct current, each LED6 is lit or is adapted to turn off.

【0033】これら内外2重の点灯回路基板9の投光用開口2c側の一端には図2にも示すように円板状回路基板10を同心状に固着している。 [0033] are fixed a disk-shaped circuit board 10 so as to one end of the light projecting opening 2c side of the inner and outer double lighting circuit board 9 shown in Figure 2 concentrically. この基板10は回路基板5の六角筒の中心軸回りに環状に配設された各LED Each LED substrate 10 is disposed annularly around a central axis of the hexagonal cylinder of the circuit board 5
6の先端にほぼ内接する仮想内接円よりも若干小径の円板に形成されている。 It is formed slightly smaller diameter of the disc than the imaginary inscribed circle of approximately inscribed on the tip 6.

【0034】円板状回路基板10上には図3にも示すように直射用の複数のLED11を密に実装し、これら各LED11をも点灯回路基板9に電気的に接続している。 The disk-shaped circuit on the substrate 10 is closely implement multiple LED 11 for direct, as shown in FIG. 3, it is also electrically connected to the lighting circuit board 9 each of these LED 11.

【0035】そして、図1に示すように反射鏡2の縮径端部側にある複数のLED6を反射鏡2の軸方向に沿って所定幅で複数の環状のブロック(区域)、例えば4ブロックに区分し、各環状ブロックのLED6からの光をそれぞれ個別に反射するように、反射鏡2の反射面2b [0035] Then, a plurality of annular blocks (areas) with a predetermined width along a plurality of LED6 in reduced diameter end portion side of the reflecting mirror 2 as shown in FIG. 1 in the axial direction of the reflecting mirror 2, for example 4 block is divided into the light from LED6 of each annular block so that each reflect individually, the reflecting surface 2b of the reflector 2
を複数段2b1 ,2b2 ,2b3 ,2b4 に形成している。 The are formed in a plurality of stages 2b1, 2b2, 2b3, 2b4. 各段の反射面2b1 〜2b4 はその焦点をLED6 Reflection surface 2b1 ~2B4 of each stage its focus LED6
の各環状ブロックのほぼ中心部からの光に一致させている。 It is made to coincide with the light from the substantially center portion of each annular block.

【0036】以上のように信号灯1が構成されているので、この信号灯1の口金8を、図示しない従来の白熱電球型信号灯用の給電ソケット内に押し込んでから例えば約90°程度軸心周りに回転させることにより受電自在に嵌合させることができる。 [0036] Since the signal lamp 1 as described above is configured, the mouthpiece 8 of the signal lamp 1, the push into the feed socket of a conventional incandescent bulb type signal lamp (not shown) to approximately 90 ° about axis around e.g. it is possible to fit freely receiving by rotating. つまり、信号灯1の口金8 In other words, the mouthpiece 8 of the signal lamp 1
は従来の白熱電球型信号灯用の口金と互換性を有する。 Has mouthpiece compatible conventional incandescent bulb type signal lamp.

【0037】また、複数のLED6を反射鏡2内の縮径端部側の反射面2に対向させているので、この反射鏡2 Further, since the are opposed to multiple LED6 on the reflective surface 2 of the reduced diameter end portion side of the reflecting mirror 2, the reflecting mirror 2
aを各LED6からの光の反射に有効に利用することができ、器具効率を高めることができる。 The a can be effectively used for the reflection of light from the LED 6, it is possible to increase the device efficiency.

【0038】しかも、反射面2bはLED6の各環状ブロック毎に複数段2b1 〜2b4 を形成しているので、 [0038] Moreover, since the reflecting surface 2b is formed a plurality of stages 2b1 ~2B4 each annular block of LED 6,
各LED6が光の直進性で優れていても、LED6の各環状ブロック毎に各反射面2b1 〜2b4 をそれぞれ有効に利用することができ、一段と器具効率を高めて視認性を向上させることができる。 Also each LED6 is excellent in the linearity of light, it is possible to effectively utilize each respective reflection surfaces 2b1 ~2B4 each annular block of LED6, it is possible to improve the visibility further enhance the device efficiency .

【0039】また、LED光源3の前方に直射用LED Further, direct a LED on the front of the LED light source 3
11を配設したので、前面ガラス4の中央部の輝度を高めて、前面ガラス4のほぼ全面の輝度均斉度を高めることができ、視認性を向上させることができる。 11 so was provided, to increase the brightness of the central portion of the front glass 4, it is possible to increase substantially the entire brightness uniformity of the front glass 4, it is possible to improve the visibility.

【0040】そして、前面ガラス4として無色透明のガラスを使用しているので、この前面ガラス4に西日が入射した場合でも、その西日の殆どを前面ガラス4を透過させて反射させいないので、反射による疑似点灯を防止することができる。 [0040] Then, due to the use of glass colorless transparent as a front glass 4, even if the front glass 4 afternoon sun enters, since no is reflected by the is transmitted through the front glass 4 most of the afternoon sun , it is possible to prevent a pseudo lighting by reflection. また、反射しても、反射光は、色光とならない。 Further, even if reflected, the reflected light, not a color light. このために、さらに視認性を高めることができる。 For this, it is possible to further enhance the visibility.

【0041】また、各LED6,11は長寿命であるので、寿命が尽きたLED6,11の交換回数を減少させることができ、その交換のためのメンテナンスを軽減することができる。 Further, since each LED6,11 is a long life, can reduce the number of exchanges of LED6,11 life is exhausted, it is possible to reduce the maintenance for the replacement. しかも、信号灯1は高所に設置されることが多いから、このLED6,11の高所での交換のためのメンテナンスの軽減効果は大きい。 Moreover, since the signal light 1 is often installed in a high place, the effect of reducing the maintenance for replacement at altitude of LED6,11 is large.

【0042】図4は本発明の第2の実施形態のLED信号灯1Aの正面図であり、この信号灯1Aは反射鏡2A [0042] Figure 4 is a front view of the LED signal lamp 1A of the second embodiment of the present invention, the signal light 1A is reflective mirror 2A
の形状を楕円形状に形成した点に特徴があり、これ以外は上記第1の実施形態とほぼ同様であるので、ほぼ同様の作用効果を奏することができる。 The shape is characterized in that formed in an elliptical shape, the other is almost the same as the first embodiment, it is possible to obtain substantially the same effects.

【0043】図5は本発明の第3の実施形態に係る道路交通用信号機21の一部切欠正面図であり、この信号機21は青,黄,赤にそれぞれ発光する上記LED信号灯1,1Aのいずれか、例えば1を器具本体22に並設し、この器具本体22を支持用アーム23や支持用用ワイヤー24によりポール25に固定し、ポール25を地面上に立設している。 [0043] Figure 5 is a partially cutaway front view of a road traffic signal device 21 according to the third embodiment of the present invention, the traffic light 21 is blue, yellow, emits respective red of the LED signal lamp 1,1A one, for example juxtaposed 1 to fixture body 22, the instrument body 22 is fixed to the pole 25 by the support arm 23 and the supporting wire 24, it is erected a pole 25 on the ground.

【0044】ポール25には各信号灯11の点,消灯や点滅等を制御する制御装置26を取り付けている。 [0044] The pawl 25 points of each signal lamp 11, is mounted a control unit 26 for controlling the off and blinking.

【0045】この信号機21によれば、上記LED信号灯1を具備しているので、高所でのLED6,11の交換のためのメンテナンスを軽減することができるうえに、各信号灯1の輝度とその均斉度を高めると共に、西日の反射による疑似点灯現象を防止することができるので、視認性を高めることができる。 [0045] According to the traffic light 21, since provided the LED signal lamp 1, on top that can reduce the maintenance for LED6,11 exchange at altitude, the brightness of each signal light 1 and the to increase the uniformity ratio, it is possible to prevent a pseudo lighting phenomenon due to the reflection of the afternoon sun, it is possible to enhance visibility.

【0046】 [0046]

【発明の効果】以上説明したように、本願の請求項1の発明は、複数の発光ダイオード(LED)を椀状の反射鏡内の縮径端部側に配設する一方、点灯回路基板をLE As described in the foregoing, the invention of claim 1, while arranging a plurality of light emitting diodes (LED) in the reduced diameter end portion side of the bowl-shaped in the reflecting mirror, the lighting circuit board LE
Dよりも投光端側へ配設しているので、縮径端部側反射面をLEDからの光の反射に有効に利用することができ、器具効率を高めることができる。 Since disposed to the light projecting end side of the D, can be utilized effectively reduced diameter end portion side reflecting surface reflecting the light from the LED, it is possible to increase the device efficiency.

【0047】また、光源が長寿命のLEDであるので、 Further, since the light source is a LED long life,
寿命の尽きたLEDを交換する回数を減少させることができ、高所でのLEDの交換作業のメンテナンスを軽減することができる。 It is possible to reduce the number of times of exchanging the LED end of life, it is possible to reduce the maintenance LED of replacement at heights.

【0048】請求項2の発明によれば、LEDからの光を反射する反射鏡の反射面を、LEDの各ブロック毎にそれぞれ有効に利用することができるので、さらに器具効率を高めて輝度を高め、視認性を向上させることができる。 [0048] According to the invention of claim 2, the reflecting surface of the reflecting mirror for reflecting light from the LED, it is possible to effectively use each for each block of the LED, the brightness to further enhance instrument efficiency enhanced, thereby improving the visibility.

【0049】請求項3の発明によれば、口金を、従来の白熱電球式信号灯の口金と同様に構成しているので、本発明に係るLED光源を白熱電球式信号灯に容易に置換することができ、このLED光源の適用範囲の拡大を図ることができる。 [0049] According to the invention of claim 3, the cap, since the configuration similar to the cap of a conventional incandescent bulb type lights, be readily replaced incandescent type lights the LED light source according to the present invention can, it is possible to increase the application range of the LED light source.

【0050】請求項4の発明によれば、信号灯の光源として、長寿命のLEDを使用しているので、寿命の尽きたLEDを交換する回数を減少させることができる。 [0050] According to the invention of claim 4, as a light source of the signal lights, the use of the LED long life, can reduce the number of times of exchanging the LED end of life. したがって、一般に高所に設置されることの多い信号灯の交換等のメンテナンスを軽減することができる。 Therefore, in general maintenance such as replacement of more signal lights be installed in high places can be reduced.

【0051】また、反射鏡の透光性カバーが無色であるので、この透光性カバーに西日が殆ど反射せずに透過する。 [0051] Further, since the translucent cover of the reflector is a colorless, afternoon sun on the light-transmitting cover is transmitted with little reflection. また、反射しても、反射光は、色光とならない。 Further, even if reflected, the reflected light, not a color light. このために、反射による疑似点灯を防止して、視認性を向上させることができる。 Therefore, to prevent the pseudo lighting by reflection, it is possible to improve the visibility.

【0052】請求項5の発明によれば、青,黄,赤にそれぞれ発光する複数の信号灯により信号機に構成することができる。 [0052] According to the invention of claim 5 can be configured in the traffic of a plurality of signal lights that emit light respectively blue, yellow, red. また、この信号機は請求項4に記載の信号灯を具備しているので、この信号灯とほぼ同様の作用効果を奏することができる。 Moreover, this traffic is because it comprises a signal lamp according to claim 4, it is possible to obtain substantially the same operational effects as the signal light.

【0053】請求項6の発明によれば、請求項5記載の信号機を具備しているので、この信号機とほぼ同様の作用効果を奏することができる。 [0053] According to the invention of claim 6, since the provided traffic signal of claim 5, it is possible to obtain substantially the same operational effects as the traffic.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明の第1の実施形態に係る信号灯の一部切欠正面図。 Partially cut front view of a signal lamp according to a first embodiment of the present invention; FIG.

【図2】図1のII−II線断面図。 [Figure 2] II-II line sectional view of FIG.

【図3】図1のIII 矢視図。 [Figure 3] III arrow of FIG. 1.

【図4】本発明の第2の実施形態に係る信号灯の一部切欠正面図。 Partially cut front view of a signal lamp according to a second embodiment of the present invention; FIG.

【図5】本発明の第3の実施形態に係る道路交通用信号機の一部切欠正面図。 [5] partially cut front view of a road traffic signal machine according to a third embodiment of the present invention.

【符号の説明】 DESCRIPTION OF SYMBOLS

1,1A 信号灯 2,2A 反射鏡 2a 反射鏡本体 2b 反射面 2b1 第1反射面 2b2 第2反射面 2b3 第3反射面 2b4 第4反射面 3 LED光源 4 前面ガラス 5 回路基板 6 LED 8 口金 8b,8c 口金の一対の電気端子 8d 口金のアイレット 9 点灯回路基板 11 直射用LED 21 道路交通用信号機 22 器具本体 25 ポール 26 制御装置 1,1A lights 2,2A reflector 2a reflector body 2b reflection surface 2b1 first reflecting surface 2b2 second reflecting surface 2b3 third reflecting surface 2b4 fourth reflecting surface 3 LED light source 4 front glass 5 circuit board 6 LED 8 cap 8b , 8c mouthpiece of a pair of electrical terminals 8d mouthpiece of the eyelet 9 lighting circuit board 11 direct a LED 21 road traffic for traffic 22 instrument body 25 pawl 26 controller

Claims (6)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 少なくとも縮径端部内面を反射面に形成している椀状反射鏡と;反射鏡内の縮径端部側にて複数配設される発光ダイオードと;反射鏡内の発光ダイオードよりも投光開口端側に配設されて各発光ダイオードを駆動する点灯回路基板と;点灯回路基板に電気的に接続される口金と;を具備していることを特徴とするLED 1. A least bowl-shaped reflector the reduced diameter end portion inner surface are formed on the reflecting surface and; a light emitting diode that is more disposed at reduced diameter end portion side of the reflecting mirror; emission within reflector LED, characterized in that it comprises a; and a lighting circuit board is disposed on the light projecting opening end side for driving each light-emitting diodes than the diode; and the base is electrically connected to the lighting circuit board
    光源。 light source.
  2. 【請求項2】 反射鏡は、複数の発光ダイオードを複数のブロックに区分したときに、各ブロックの発光ダイオードからの光をそれぞれ個別に反射するように、反射面を各ブロック毎に形成していることを特徴とする請求項1記載のLED光源。 2. A reflector, when dividing the plurality of light emitting diodes into a plurality of blocks, the light from the light emitting diodes of each block so as to reflect individually, to form a reflective surface for each block LED light source according to claim 1, wherein the are.
  3. 【請求項3】 口金は、給電用ソケット内に出入自在に挿入される口金本体と;口金本体の胴部外面で直径方向外方へそれぞれ突出して、給電用ソケットの係合溝に係脱自在に係止されて電気的に接続される一対の電気端子と;口金本体の先端部に形成されて給電用ソケットに電気的に接続される電気端子と;を具備していることを特徴とするLED光源。 3. A mouthpiece includes a base body which is inserted freely and from the power supply in a socket; in barrel outer surface of the base body to protrude the diameter direction outwardly, disengageably the engaging groove of the feeding socket characterized in that it comprises a; and electrical terminals are electrically connected to be formed on the distal end portion of the base body power supply socket; a pair of electrical terminals and the locked and is electrically connected to the LED light source.
  4. 【請求項4】 全発光ダイオードが青,黄,赤のいずれかに発光する請求項1ないし3のいずれか一記載のLE Wherein all light emitting diodes blue, yellow, LE according to any one of claims 1 to 3 for emitting either red
    D光源と;LED光源の反射鏡内の点灯回路基板よりも投光側に配設される複数の発光ダイオードと;反射鏡の投光開口端を閉じる無色透明のカバーと;を具備していることを特徴とするLED信号灯。 Are provided with; and D sources; and closing the light-projecting open end of the reflector colorless transparent cover; a plurality of light emitting diodes and which is disposed the light projecting side from the lighting circuit board in the reflector of the LED light source LED signal lamp, characterized in that.
  5. 【請求項5】 少なくとも青,黄,赤にそれぞれ発光する請求項4記載の複数のLED信号灯と;これら各信号灯をそれぞれ固定する器具本体と;器具本体を支持するポールと;を具備していることを特徴とする信号機。 It is provided with; 5. least blue, yellow, a plurality of LED signal lights and of claim 4 wherein the light emitting respectively red; and Paul for supporting the instrument body; instrument body and for fixing these signals lamps respectively traffic signal, characterized in that.
  6. 【請求項6】 各信号灯の点消灯を制御する制御装置; 6. A control device for controlling the off points of each signal light;
    を具備していることを特徴とする請求項5記載の信号機。 That comprises a traffic signal according to claim 5, wherein.
JP8077683A 1996-03-29 1996-03-29 Led light source, led signal lamp, and traffic signal Pending JPH09265807A (en)

Priority Applications (1)

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JP8077683A JPH09265807A (en) 1996-03-29 1996-03-29 Led light source, led signal lamp, and traffic signal

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Application Number Priority Date Filing Date Title
JP8077683A JPH09265807A (en) 1996-03-29 1996-03-29 Led light source, led signal lamp, and traffic signal

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JPH09265807A true JPH09265807A (en) 1997-10-07

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