JPS62116329A - Drive circuit for vehicle lighting fixture - Google Patents

Drive circuit for vehicle lighting fixture

Info

Publication number
JPS62116329A
JPS62116329A JP60257042A JP25704285A JPS62116329A JP S62116329 A JPS62116329 A JP S62116329A JP 60257042 A JP60257042 A JP 60257042A JP 25704285 A JP25704285 A JP 25704285A JP S62116329 A JPS62116329 A JP S62116329A
Authority
JP
Japan
Prior art keywords
emitting diode
light emitting
incandescent bulb
light
resistor
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
JP60257042A
Other languages
Japanese (ja)
Inventor
Kiichiro Shimura
志村 喜一郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ichikoh Industries Ltd
Original Assignee
Ichikoh Industries Ltd
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 Ichikoh Industries Ltd filed Critical Ichikoh Industries Ltd
Priority to JP60257042A priority Critical patent/JPS62116329A/en
Publication of JPS62116329A publication Critical patent/JPS62116329A/en
Pending legal-status Critical Current

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  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PURPOSE:To make simultaneous light on/off operation of a light emitting diode and an incandescent bulb performable, by installing a delay circuit interposingly between a lighting switch and the light emitting diode, in case of a device which lights the incandescent bulb and the light emitting diode with the common lighting switch. CONSTITUTION:In case of a lighting fixture having a stop lamp making an incandescent bulb 7 its light source and a high-mount stop lamp making a light emitting diode 8 its light source, the incandescent bulb 7 is connected to a power source 13 via a foot switch 9 by a brake pedal. On the other hand, the light emitting diode 8 is connected to the power source 13 via a resistor 10, a delay circuit making resistor 11, a diode 12 and the foot switch 9. And, a delay time making condenser 14 and a charging resistor 15 are connected to both connecting points of these resistors 10 and 11 in parallel with each other. With this constitution, light on-off operation of the light emitting diode 8 is properly delayed to operation of the foot switch 9, whereby its flash timing with the incandescent bulb 7 is made so as to be accordable.

Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、車輌用灯具の駆動回路に関し、詳しくは、白
熱バルブと発光ダイオードの二種類の光源を同時点灯及
び消灯させるための駆動回路に関する。
DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a drive circuit for a vehicle lamp, and more particularly to a drive circuit for simultaneously turning on and off two types of light sources, an incandescent bulb and a light emitting diode. .

(従来の技術) 従来より、車体の後端部に配設される一対のストップラ
ンプに加えて、車体の上部寄りに所謂ハイマウントスト
ップランプを設けたものが知られている。そして、通常
のストップランプが白熱バルブを光源に用いているのに
対し、ハイマウントストップランプの光源に多数の発光
ダイオードを用いたものも提案されている。第2図は、
このようなストップランプとハイマウントストップラン
プとを共通のフットスイッチ1により白灯する駆動回路
を示している。この回路において、白熱バルブ2は、フ
ットスイッチ1を介して電源3に接続され、発光ダイオ
ード4は、′R流制限用の抵抗5、逆−電流防止用のダ
イオード6及びワットスイッチ1を順次介して%1li
3に接続されている。また、発光ダイオード4及び抵抗
5に対して並列にサージ防止用のコンデンサ16が接続
されている。
(Prior Art) Conventionally, in addition to a pair of stop lamps disposed at the rear end of a vehicle body, a so-called high-mount stop lamp is provided near the top of the vehicle body. While ordinary stop lamps use incandescent bulbs as light sources, high-mount stop lamps have also been proposed that use a large number of light emitting diodes as light sources. Figure 2 shows
A drive circuit for lighting such a stop lamp and a high mount stop lamp using a common foot switch 1 is shown. In this circuit, an incandescent bulb 2 is connected to a power source 3 via a foot switch 1, and a light emitting diode 4 is connected to a power source 3 through a resistor 5 for limiting the R current, a diode 6 for preventing reverse current, and a watt switch 1 in sequence. te%1li
Connected to 3. Further, a surge prevention capacitor 16 is connected in parallel to the light emitting diode 4 and the resistor 5.

(発明が解決しようとする問題点) ところで、前述のようなストップランプ及びハイマウン
トストップランプは、ブレーキペダルの操作に基づいて
適正かつ同時に点灯及び消灯する必要がある。
(Problems to be Solved by the Invention) By the way, the above-mentioned stop lamps and high-mounted stop lamps need to be properly and simultaneously turned on and off based on the operation of the brake pedal.

しかしながら、発光ダイオードと白熱バルブとでは、点
灯及び消灯に要する時間が巽なり、発光ダイオードの方
が速く点灯または消灯してしまい、後続車輌に対して紛
られしい信号となる虞れがある。
However, the time it takes for a light emitting diode and an incandescent bulb to turn on and off is different, and the light emitting diode turns on or off more quickly, which may give a misleading signal to following vehicles.

(問題点を解決するための手段) 本発明による車輌用灯具の駆動回路は、前述のような問
題点を解決するために、単一又は複数の灯具の光源とな
る白熱バルブと発光ダイオードとを共通の点刻スイッチ
により点灯する駆動回路であって、点灯スイッチと発光
ダイオードとの間に、この発光ダイオードを白熱バルブ
と同時に点灯及び消灯させるための遅延回路を設けたこ
とを特徴とする。
(Means for Solving the Problems) In order to solve the above-mentioned problems, the driving circuit for a vehicle lamp according to the present invention uses an incandescent bulb and a light emitting diode as a light source for a single or plural lamps. This driving circuit is turned on by a common flashing switch, and is characterized in that a delay circuit is provided between the lighting switch and the light emitting diode to turn on and off the light emitting diode at the same time as the incandescent bulb.

(作用) 遅延回路によって発光ダイオードの点灯及び消灯が遅延
し、白熱バルブの点灯及び消灯と同時に行なわれる。
(Function) The delay circuit delays the lighting and extinguishing of the light emitting diode, and the lighting and extinguishing of the incandescent bulb are simultaneously performed.

(実施例) 第1図は本発明の一実施例を示す回路図である。(Example) FIG. 1 is a circuit diagram showing one embodiment of the present invention.

この実施例による駆動回路は、白熱バルブ7を光源とす
るストップランプと、発光ダイオード8を光源とするハ
イマリン1−ストップランプとを駆動するためのもので
ある。
The drive circuit according to this embodiment is for driving a stop lamp using an incandescent bulb 7 as a light source and a Hymarine 1-stop lamp using a light emitting diode 8 as a light source.

白熱バルブ7は、ブレーキペダルによるノットスイッチ
9を介して電源13に接続され、フットスイッチ90オ
ン・オフ・操作に基づいて点減り°るようになっている
The incandescent bulb 7 is connected to a power source 13 via a knot switch 9 operated by a brake pedal, and is turned on/off based on the on/off operation of a foot switch 90.

発光ダイオード8は、電流制限用の抵抗10、遅延時間
作成用の抵抗11、逆電流防止用のダイオード12及び
ワットスイッチ9を介して電源13に接続されている。
The light emitting diode 8 is connected to a power source 13 via a resistor 10 for current limiting, a resistor 11 for creating a delay time, a diode 12 for preventing reverse current, and a watt switch 9.

また、抵抗10と抵抗11との接続点には、互いに並列
に、遅延時間作成用のコンデンサ14とチャージ放電用
の抵抗15が接続されている。
Furthermore, a capacitor 14 for creating a delay time and a resistor 15 for charging and discharging are connected in parallel to the connection point between the resistor 10 and the resistor 11.

遅延時間作成用の抵抗11とコンデン4)14とは、発
光ダイオード8に供給される駆動電流の立ち上り時の時
定数を決定するものであり、この時定数に基づいて発光
ダイオード8への供給電流が7ツトスイツチ9のオン操
作から徐徐に増加することとなり、その分売光ダイオー
ド80発光が遅延して生じる。
The resistor 11 and capacitor 4) 14 for creating a delay time determine the time constant at the rise of the drive current supplied to the light emitting diode 8, and the supply current to the light emitting diode 8 is adjusted based on this time constant. will gradually increase from the ON operation of the 7-way switch 9, and the light emission of the dispensing light diode 80 will be delayed.

また、=1ンデン+、114は、発光ダイオード8の消
灯操作後、一定時間放電して発光ダイオード8に駆動電
流を供給し、発光ダイオード8の消灯を遅延させるもの
である。この放電時間は、コンデン+714の容量と抵
抗10.15の抵抗値によって設定することができる。
Further, =1 +, 114 is for discharging for a certain period of time after the light-emitting diode 8 is turned off, supplying a driving current to the light-emitting diode 8, and delaying the light-off of the light-emitting diode 8. This discharge time can be set by the capacitance of the capacitor +714 and the resistance value of the resistor 10.15.

従って、フットスイッチ9のオフ操作後、発光ダイオー
ド8の消灯が遅延して生じる。また、抵抗15を設けた
ことから、コンデンサ14の放電による発光ダイオード
8の残光が、迷光となって長時間に日り生じることも回
避できる。
Therefore, after the foot switch 9 is turned off, the light-emitting diode 8 turns off with a delay. Further, since the resistor 15 is provided, it is possible to avoid the afterglow of the light emitting diode 8 caused by the discharge of the capacitor 14 from becoming stray light for a long time.

また、コンデンサ14は、遅延時間作成だけでなくサー
ジ防止用としても作用する。そして、放電用の抵抗15
を設けたことから、コンデンサ14の容■を大きく設定
することができ、大電流に対しても有効なサージ防止効
果が得られる。
Further, the capacitor 14 functions not only to create a delay time but also to prevent surges. And a resistor 15 for discharging
Because of the provision of the capacitor 14, the capacitance (1) of the capacitor 14 can be set large, and an effective surge prevention effect can be obtained even against large currents.

以上のように、この実施例による駆動回路では、コンデ
ンサ14の容量及び各抵抗10,11.15の抵抗値を
適宜選択することにより、発光ダイオード80点灯及び
消灯を7ツトスイツヂ9の操作に対して適宜遅延させる
ことができ、発光ダイオード8と白熱バルブ7との点滅
のタイミングを一致させることができる。しかも、この
実施例では、コンデンサ14の充故電作用により遅延時
間を得るようにしたので、発光ダイオード80点灯時及
び消灯時における光度が徐徐に変化することとなり、白
熱バルブ7における点灯及び消灯の状態に近似させるこ
とも司能となり、透和感のない信号伝達が行なえる。
As described above, in the drive circuit according to this embodiment, by appropriately selecting the capacitance of the capacitor 14 and the resistance value of each resistor 10, 11.15, the light emitting diode 80 can be turned on and off in response to the seven operations of the switch 9. It can be delayed as appropriate, and the timing of the blinking of the light emitting diode 8 and the incandescent bulb 7 can be made to coincide. Moreover, in this embodiment, since a delay time is obtained by the charging and discharging action of the capacitor 14, the luminous intensity when the light emitting diode 80 is turned on and off changes gradually, and the time when the light emitting diode 80 is turned on and off changes gradually. It is also possible to approximate the state, allowing transparent signal transmission.

なお、前述の説明で・、1、別体であるストップランプ
とハイマウントスI・ツブランプとを点灯する駆動回路
について述べたが、本発明は例えば白熱バルブと発光ダ
イオードとを灯室内に並設&!置して同時点灯を行なう
ようにした甲−の車輌用灯具に用いることもできる。
In the above explanation, 1. The drive circuit that lights up the stop lamp and the high-mounted tube lamp, which are separate units, was described, but the present invention also provides an incandescent lamp and a light emitting diode, for example, which are arranged side by side in the lamp chamber. &! It can also be used in a vehicle light fixture as shown in A-2, which is arranged so that the lamps can be placed at the same time and turned on at the same time.

(発明の効果) 以上説明したように、本発明によれば、白熱バルブによ
る光源と発光ダイオードによる光源の点灯及び消灯動作
に生じる時ti+差を解消することができ、灯具点消灯
時における適正な動作を得ることができる。
(Effects of the Invention) As explained above, according to the present invention, it is possible to eliminate the difference in time ti+ that occurs in the lighting and turning off operations of the light source using an incandescent bulb and the light source using a light emitting diode, and it is possible to You can get the action.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明の一実施例を示す回路図、第2図は従来
の技術を示す回路図である。 7・・・白熱バルブ、8・・・発光ダイオード、9・・
・フットスイッチ、10・・・電流制御用抵抗、11・
・・遅延時間作成用抵抗、12・・・逆電流防止用ダイ
オード、13・・・’lI、14−・・遅延時間作成用
コンデンリ、15・・・チャージ放電用抵抗。 特許出願人   市光■業株式会社 代理人   弁理士  岩倉哲二(他1名)第1図 第2図
FIG. 1 is a circuit diagram showing one embodiment of the present invention, and FIG. 2 is a circuit diagram showing a conventional technique. 7... Incandescent bulb, 8... Light emitting diode, 9...
・Foot switch, 10... Resistor for current control, 11.
... Resistor for creating delay time, 12... Diode for preventing reverse current, 13...'lI, 14-... Condenser for creating delay time, 15... Resistor for charging and discharging. Patent applicant: Ichikoh ■Gyo Co., Ltd. Agent: Patent attorney: Tetsuji Iwakura (and 1 other person) Figure 1 Figure 2

Claims (1)

【特許請求の範囲】[Claims] 単一又は複数の灯具の光源となる白熱バルブと発光ダイ
オードとを共通の点灯スイッチにより点灯する駆動回路
であつて、前記点灯スイッチと発光ダイオードとの間に
、この発光ダイオードを白熱バルブと同時に点灯及び消
灯させるための遅延回路を設けたことを特徴とする車輌
用灯具の駆動回路。
A drive circuit that lights up an incandescent bulb and a light emitting diode, which serve as a light source for a single or multiple lamps, using a common lighting switch, the light emitting diode being lit at the same time as the incandescent bulb, between the lighting switch and the light emitting diode. and a drive circuit for a vehicle lamp, characterized in that it is provided with a delay circuit for turning off the lamp.
JP60257042A 1985-11-15 1985-11-15 Drive circuit for vehicle lighting fixture Pending JPS62116329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60257042A JPS62116329A (en) 1985-11-15 1985-11-15 Drive circuit for vehicle lighting fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60257042A JPS62116329A (en) 1985-11-15 1985-11-15 Drive circuit for vehicle lighting fixture

Publications (1)

Publication Number Publication Date
JPS62116329A true JPS62116329A (en) 1987-05-27

Family

ID=17300929

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60257042A Pending JPS62116329A (en) 1985-11-15 1985-11-15 Drive circuit for vehicle lighting fixture

Country Status (1)

Country Link
JP (1) JPS62116329A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01136041U (en) * 1988-03-01 1989-09-18
DE10318795A1 (en) * 2003-04-25 2004-11-11 Volkswagen Ag Winking light circuit for use in road vehicle incorporates incandescent lamp and LED and uses preheating current for incandescent lamp warming it to just below visible light emission temperature
JP2016002913A (en) * 2014-06-18 2016-01-12 市光工業株式会社 Vehicle lighting appliance
JP2016179729A (en) * 2015-03-24 2016-10-13 三菱自動車工業株式会社 Vehicle stop lamp lighting apparatus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01136041U (en) * 1988-03-01 1989-09-18
DE10318795A1 (en) * 2003-04-25 2004-11-11 Volkswagen Ag Winking light circuit for use in road vehicle incorporates incandescent lamp and LED and uses preheating current for incandescent lamp warming it to just below visible light emission temperature
JP2016002913A (en) * 2014-06-18 2016-01-12 市光工業株式会社 Vehicle lighting appliance
JP2016179729A (en) * 2015-03-24 2016-10-13 三菱自動車工業株式会社 Vehicle stop lamp lighting apparatus

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