JPS58105840A - 車輌の前照灯自動調光装置 - Google Patents

車輌の前照灯自動調光装置

Info

Publication number
JPS58105840A
JPS58105840A JP56207655A JP20765581A JPS58105840A JP S58105840 A JPS58105840 A JP S58105840A JP 56207655 A JP56207655 A JP 56207655A JP 20765581 A JP20765581 A JP 20765581A JP S58105840 A JPS58105840 A JP S58105840A
Authority
JP
Japan
Prior art keywords
voltage
speed
illumination
vehicular
illuminance
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
JP56207655A
Other languages
English (en)
Inventor
Makoto Ryuba
柳葉　誠
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP56207655A priority Critical patent/JPS58105840A/ja
Publication of JPS58105840A publication Critical patent/JPS58105840A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
    • B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
    • B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
    • B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
    • B60Q1/1415—Dimming circuits
    • B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/05—Special features for controlling or switching of the light beam
    • B60Q2300/054—Variable non-standard intensity, i.e. emission of various beam intensities different from standard intensities, e.g. continuous or stepped transitions of intensity
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/10—Indexing codes relating to particular vehicle conditions
    • B60Q2300/11—Linear movements of the vehicle
    • B60Q2300/112—Vehicle speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
    • B60Q2300/30—Indexing codes relating to the vehicle environment
    • B60Q2300/31—Atmospheric conditions
    • B60Q2300/314—Ambient light

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 本発明は、前照灯の光度を自動的に制御する車輌の前照
灯自動調光装置に関するものである。
従来より車輌の前照灯の光度は、手動操作による段階制
御がほとんどであり、交差点での対向車の前照灯消し忘
れによるまぶしさや、トンネル通行時の前照灯のつけ忘
れ等は、交通安全上、甚だ危険なものである。
そこで本発明は、車輌の速度と車輌前部の照度の２つの
要素から最適な前照灯の光度に自動的に制御し、上記従
来の欠点を解消したものである。
以下、本発明を添付図面を参照して説明する。
図において、１は車輌の速度を検出する速度検出器、２
は速度検出器１からの検出信号を速度に比例した電圧に
変換する速度電圧変換器、３は車輌前部の照度を検出す
る照度検出器、４は照度検出器３からの検出信号を照度
に比例した電圧に変換する照度電圧変換器、５は前照灯
、６は前照灯５の電源、７は速度電圧変換器２及び照度
電圧変換器４からの電圧信号にもとづき前照灯５への供
給電圧を制御する自動電圧調整器で、車輌の速度が遅い
場合、車輌前部の照度が高い場合は前照灯５の光度を落
す方向に制御するものである。なお、図示しておらない
が、前照灯６の最低光度を補償する最低電圧補償器や手
動切換器を付加してもよい。
以上の構成より明らかなように本発明は、車輌速度と車
輌前部の照度にもとづき前照灯の光度を自動的に制御す
るので、前照灯の光度を最適な値に自動的、かつ連続的
に制御することができ、交差点での前照灯消し忘れ、ト
ンネル通行時の前照灯のつけ忘れ等の交通安全上の危険
性を未然に防止することができる。
【図面の簡単な説明】
図は本発明にかかる車輌の前照灯調光装置のブロック図
である。 １・・・・・速度検出器、２・・・・・・速度電圧変換
器、３・・・・照度検出器、４・・・・・照度電圧変換
器、５・・・・・・前照灯、６・・・・・・電源、７・
・・・・・自動電圧調整器。 代理人の氏名　弁理士　中　尾　敏　男　ほか１名２

Claims (1)

    【特許請求の範囲】
  1. 車輌の速度を検出する速度検出器と、この速度検出器か
    らの検出信号を速度に比例しだ電圧に変換する速度電圧
    変換器と、車輌前部の照度を検出する照度検出器と、こ
    の照度検出器からの検出信号を照度に比例しだ電圧に変
    換する照度電圧変換器と、前記速度電圧変換器と照度電
    圧変換器の電圧値にもとづき前照灯への供給電圧を制御
    する自動電圧調整器とを備えた車輌の前照灯自動調光装
    置。
JP56207655A 1981-12-21 1981-12-21 車輌の前照灯自動調光装置 Pending JPS58105840A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56207655A JPS58105840A (ja) 1981-12-21 1981-12-21 車輌の前照灯自動調光装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56207655A JPS58105840A (ja) 1981-12-21 1981-12-21 車輌の前照灯自動調光装置

Publications (1)

Publication Number Publication Date
JPS58105840A true JPS58105840A (ja) 1983-06-23

Family

ID=16543366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56207655A Pending JPS58105840A (ja) 1981-12-21 1981-12-21 車輌の前照灯自動調光装置

Country Status (1)

Country Link
JP (1) JPS58105840A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117746U (ja) * 1985-01-10 1986-07-25
JPS6435149U (ja) * 1987-08-28 1989-03-03

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61117746U (ja) * 1985-01-10 1986-07-25
JPS6435149U (ja) * 1987-08-28 1989-03-03

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