JPH09330603A - Projection type head light - Google Patents

Projection type head light

Info

Publication number
JPH09330603A
JPH09330603A JP5042797A JP5042797A JPH09330603A JP H09330603 A JPH09330603 A JP H09330603A JP 5042797 A JP5042797 A JP 5042797A JP 5042797 A JP5042797 A JP 5042797A JP H09330603 A JPH09330603 A JP H09330603A
Authority
JP
Japan
Prior art keywords
headlight
dimmer
light
light source
headlight according
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
JP5042797A
Other languages
Japanese (ja)
Inventor
Roberto Cella
ロベルト・セッラ
Davide Lorenzi
ダヴィデ・ロレンツィ
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.)
FRATELLI PAGANI SpA
FURATETSURI PAGAANI SpA
Original Assignee
FRATELLI PAGANI SpA
FURATETSURI PAGAANI SpA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11373509&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH09330603(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by FRATELLI PAGANI SpA, FURATETSURI PAGAANI SpA filed Critical FRATELLI PAGANI SpA
Publication of JPH09330603A publication Critical patent/JPH09330603A/en
Pending legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
    • F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
    • F21S41/68—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens
    • F21S41/683—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on screens by moving screens
    • F21S41/686—Blades, i.e. screens moving in a vertical plane

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Lighting Device Outwards From Vehicle And Optical Signal (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a headlight which can generate a high irradiation light and a low irradiation light, without using an optical light modification means. SOLUTION: A projection type headlight 3 which generates a high irradiation light and a low irradiation light and is applied to the field of a motorcycle and/or an automobile comprises a light source 5, a lens 8, a reflector 6 which reflects the light from the light source to the lens, and a dimmer 2 which can shift the two positions a first position and a second position) within the plane positioned between the light source and the lens. In the first position, the dimmer 2 intercepts a part of the beam and offers a low irradiation light, and in the second position, it lets all beams pass and offers a high irradiation light.

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】本発明は自動車両、特に、オ
ートバイ（自動二輪車）に応用するヘッドライトに関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a motor vehicle, and more particularly to a headlight applied to a motorcycle (motorcycle).

【０００２】[0002]

【従来の技術】部品寸法の問題が極めて重要となるオー
トバイ分野においては、投影型のヘッドライトを構成す
る「投影型」と呼ばれる光学組立体が導入されている。2. Description of the Related Art In the field of motorcycles in which the problem of component size is extremely important, an optical assembly called "projection type" constituting a projection type headlight has been introduced.

【０００３】[0003]

【発明が解決しようとする課題】この型式の既知のヘッ
ドライトの欠点は、基本的に、ヘッドライトが高照射機
能又は低照射機能のうちのいずれか一方しか行えないこ
とである。これらの照射機能は反射鏡からの光線の一部
を薄暗くするか、薄暗くしないかにより得られる。それ
故、この型式のヘッドライトを使用する場合は、一方の
照射機能では得られない（同型式又は別型式の）他方の
照射機能を追加する必要があり、コスト及び寸法が増大
してしまう。A disadvantage of the known headlight of this type is that the headlight can basically perform only one of a high-lighting function and a low-lighting function. These irradiation functions are obtained by dimming or not dimming a part of the light beam from the reflecting mirror. Therefore, when using this type of headlight, it is necessary to add another irradiation function (of the same type or another type) that cannot be obtained by one irradiation function, which increases cost and size.

【０００４】上述の２つの機能（低照射機能及び高照射
機能）を備えた単一の投影型ヘッドライトを提供するに
当っての既知の欠点は、低照射機能の場合に、路面を完
全に照射できるようにヘッドライトの光軸をある角度に
わたって下方へ回転させねばならないことである。その
結果、ヘッドライトを高照射機能に切り換える場合に
は、現在まで採用されている同じ効果を与える技術的解
決策から予測されるように、ヘッドライトの光軸は低照
射機能の場合と同じ角度にわたって上方へ回転せしめら
れる。それ故、一方の機能から他方の機能への切り換え
を行う場合は、光線を修正するための装置を導入して、
選択した機能に応じて２つの光線が常に最適となるよう
にしなければならない。光線修正装置を導入すると、設
計及び適用上の問題が発生するのみならず、コストが確
実に増大してしまう。A known drawback in providing a single projection headlight with the two functions mentioned above (low and high illumination) is that the road surface is completely covered in the case of low illumination. That is, the optical axis of the headlight must be rotated downward through an angle so that it can be illuminated. As a result, when switching a headlight to a high-illumination function, the optical axis of the headlight is at the same angle as for a low-illumination function, as would be expected from a technical solution that has the same effect that has been adopted to date. It is made to rotate upwards over. Therefore, when switching from one function to the other, we introduce a device to modify the rays,
The two rays must always be optimal depending on the function chosen. Introducing a light beam modification device not only causes design and application problems, but also increases cost certainly.

【０００５】[0005]

【発明の構成並びに作用効果】本発明の目的は、上述の
従来の欠点を克服し（特に、一方の機能から他方の機能
へ切り換えるときに光線を修正するための高価な装置の
使用を回避し）、高照射機能と低照射機能との両方の機
能を有する投影型のヘッドライトを提供することであ
る。本発明の別の目的は、重量及び寸法を軽減し、オー
トバイ及び自動車の両方に使用できるヘッドライトを提
供することである。本発明の他の利点は、極めて小さな
照射表面で２つの基本的な機能（高照射機能及び低照射
機能）を提供でき、または、寸法が小さく、両方の機能
に対して優れた性能を有する二重機能ヘッドライトを提
供できることである。SUMMARY OF THE INVENTION It is an object of the present invention to overcome the above mentioned drawbacks of the prior art (especially avoiding the use of expensive equipment to modify the light beam when switching from one function to another). ), It is to provide a projection type headlight having both a high irradiation function and a low irradiation function. Another object of the invention is to provide a headlight which has reduced weight and size and which can be used for both motorcycles and motor vehicles. Another advantage of the present invention is that it can provide two basic functions (high irradiation function and low irradiation function) with a very small irradiation surface, or it has a small size and excellent performance for both functions. It is possible to provide a heavy-duty headlight.

【０００６】上記目的は本発明に係る投影型のヘッドラ
イトにより達成され、このヘッドライトの特徴とすると
ころは、ヘッドライトの調光器が、ヘッドライトの光軸
の上又は近傍の第１位置であって、光源からの光線の一
部を遮断して低照射光を提供する第１位置と、調光器が
光源からのすべての光線を通過させて高照射光を提供す
る第２位置との間を移動できるようになっており、高照
射光と低照射光との間の切り換えは、光学的な修正装置
その他の光学的手段を使用することなく、調光器の移動
だけで行われることである。本発明に係るヘッドライト
は高照射光を発生させるが、修正型、光学型又はその他
の型式の装置による２つの光線の修正を必要とせずに、
調光器により高照射光を部分的に薄暗くすることによっ
て、低照射光を得ることができる。The above object is achieved by a projection type headlight according to the present invention. The feature of the headlight is that the dimmer of the headlight is at a first position on or near the optical axis of the headlight. Where a first position where a portion of the light rays from the light source is blocked to provide low illumination light, and a second position where the dimmer passes all the light rays from the light source to provide high illumination light It is possible to move between the high illumination light and the low illumination light by using only the movement of the dimmer without using an optical correction device or other optical means. That is. The headlight according to the invention produces a high illuminating light, but without the need for modification of the two rays by a modified, optical or other type of device,
Low illumination light can be obtained by partially dimming the high illumination light with a dimmer.

【０００７】[0007]

【発明の実施の形態】特に図１を参照すると、ヘッドラ
イト３は 光源５と、レンズ８と、光源から発された光
をレンズの方へ反射させる反射鏡６と、レンズホルダキ
ャップ７とにより構成される。図示のように、調光器(d
immer)２を作動させる電磁石１が座４内に収容されてい
る。1, a headlight 3 includes a light source 5, a lens 8, a reflecting mirror 6 for reflecting light emitted from the light source toward the lens, and a lens holder cap 7. Composed. As shown, dimmer (d
An electromagnet 1 for operating the immer 2 is housed in the seat 4.

【０００８】図１は低照射機能を示し、この場合、現在
の安全規制に従って電磁石は去勢される。この位置にお
いては、調光器２は上方に延びてヘッドライトの光軸９
の近傍に位置し、調光器２が位置する光軸９の下側半分
へ入射するすべての光線（レンズ８により上方へ屈折さ
れる光）を遮断する。それ故、調光器２が光軸９の上又
は近傍に位置する場合は、レンズ８に到達するすべての
光線はレンズを通過し、レンズへの入射角に応じて光軸
９に関してある角度だけ下方へ屈折される。FIG. 1 illustrates the low illumination function, in which case the electromagnet is castrated in accordance with current safety regulations. In this position, the dimmer 2 extends upwards and extends to the optical axis 9 of the headlight.
Located in the vicinity of, and blocks all light rays (light that is refracted upward by the lens 8) incident on the lower half of the optical axis 9 on which the dimmer 2 is located. Therefore, if the dimmer 2 is located on or near the optical axis 9, all rays reaching the lens 8 will pass through the lens and will only form an angle with respect to the optical axis 9 depending on the angle of incidence on the lens. It is bent downward.

【０００９】高照射機能を図２に示す。電磁石１を付勢
すると、調光器２が光軸９の下方へ下降し、その結果、
すべての光線がレンズ８に到達する。この場合、視野の
照らされていなかった領域まで照射され、一層前方まで
照らす光が得られる。The high irradiation function is shown in FIG. When the electromagnet 1 is energized, the dimmer 2 descends below the optical axis 9 and, as a result,
All rays reach the lens 8. In this case, the unilluminated area of the field of view is illuminated, and light that illuminates further forward is obtained.

【００１０】反射鏡６の特定の表面は、単一の機能（低
照射機能又は高照射機能）を有する投影型ヘッドライト
により得られる同じ優れた性能及び優れた路面照射を維
持した状態で、修正装置を必要とせずに、２つの光線を
整合させることができる。それ故、調光器２を一方の位
置から他方の位置へ移動させるだけで、一方の機能から
他方の機能へ切り換えることができる。The specific surface of the reflector 6 is modified, while maintaining the same excellent performance and excellent road surface illumination obtained by a projection headlight with a single function (low or high illumination function). The two rays can be aligned without the need for a device. Therefore, it is possible to switch from one function to the other function only by moving the dimmer 2 from one position to the other position.

【００１１】単一のヘッドライトにとって必要な電力は
ランプ（光源）のための電力と電磁石のための電力との
合計電力である。電磁石のための電力は一方の機能から
他方の機能への切り換えの際に面倒な振動を発生させな
いように調光器を安定して迅速に移動させるのを保証す
るのに十分なものでなければならない。この目的のた
め、調光器の運動ストロークの端部にショックアブソー
バを設けることができる。The power required for a single headlight is the sum of the power for the lamp (light source) and the power for the electromagnet. The power for the electromagnet must be sufficient to ensure a stable and rapid movement of the dimmer so as not to cause tedious vibrations when switching from one function to the other. I won't. For this purpose, a shock absorber can be provided at the end of the movement stroke of the dimmer.

【００１２】好ましい発明の実施の形態においては、調
光器２の運動方向は垂直方向であるが、別の方法（例え
ば、ピボットのまわりでの回転）により調光器を移動さ
せることもできる。In the preferred embodiment of the invention, the direction of movement of the dimmer 2 is vertical, but it is possible to move the dimmer in another way (for example by rotating around a pivot).

【００１３】調光器自体の作動は電気ステッピングモー
タ等により手動で行うこともできる。好ましい発明の実
施の形態においては、所要の力を与え、装置の全体寸法
を小型化でき、構造を簡単にできるため、電磁石を使用
する。The operation of the dimmer itself can be manually performed by an electric stepping motor or the like. In the preferred embodiment of the invention, electromagnets are used because they provide the required force, reduce the overall size of the device and simplify the construction.

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

【図１】本発明に係るヘッドライトの断面側面図で、調
光器が薄暗くする位置（低照射機能位置）にある状態を
示す図である。FIG. 1 is a cross-sectional side view of a headlight according to the present invention, showing a state in which a dimmer is in a dimming position (low irradiation function position).

【図２】本発明に係るヘッドライトの断面側面図で、調
光器が薄暗くしない位置（高照射機能位置）にある状態
を示す図である。FIG. 2 is a cross-sectional side view of a headlight according to the present invention, showing a state in which a dimmer is not in a dimmed position (high irradiation function position).

【符号の説明】[Explanation of symbols]

１ 電磁石 ２ 調光器 ３ ヘッドライト ５ 光源 ８ レンズ ９ 光軸 1 electromagnet 2 dimmer 3 headlight 5 light source 8 lens 9 optical axis

───────────────────────────────────────────────────── フロントページの続き (71)出願人 597030981 Ｖｉａ Ｖａｒｅｓｉｎａ 124，ＩＴ− 20156 Ｍｉｌａｎｏ，Ｉｔａｌｙ (72)発明者 ダヴィデ・ロレンツィ イタリア国イーティ−20161 ミラノ，ヴ ィア・アルメリーニ 25 ─────────────────────────────────────────────────── ─── Continuation of the front page (71) Applicant 597030981 Via Varesina 124, IT− 20156 Milano, Italy (72) Inventor Davide Lorenzi Eiti Italy 2016-16 Milan, Via Armerini 25

Claims (9)

【特許請求の範囲】[Claims] 【請求項１】 オートバイ及び（又は）自動車の分野に
応用する投影型ヘッドライト（３）であって、光源
（５）と、当該光源とレンズ（８）との間に位置する調
光器（２）とを備えたヘッドライトにおいて、 上記調光器（２）は少なくとも２つの位置間、すなわ
ち、ヘッドライト（３）の光軸（９）の上又は近傍の第
１位置であって、上記光源（５）からの光線の一部を遮
断して低照射光を提供する第１位置と、当該調光器
（２）が当該光源（５）からのすべての光線を通過させ
て高照射光を提供する第２位置との間を移動できるよう
になっており、 高照射光と低照射光との間の切り換えは、光学的な修正
装置その他の光学的手段を使用することなく、上記調光
器（２）の移動だけで行われる、ことを特徴とするヘッ
ドライト。1. A projection headlight (3) for use in the field of motorcycles and / or automobiles, which comprises a light source (5) and a dimmer located between the light source and a lens (8). 2) In the headlight, the dimmer (2) is located between at least two positions, that is, at a first position on or near the optical axis (9) of the headlight (3), A first position where a portion of the light rays from the light source (5) is blocked to provide low illumination light, and the dimmer (2) allows all the light rays from the light source (5) to pass through and high illumination light. And a second position that provides light, and switching between high and low illumination is accomplished without the use of optical correction devices or other optical means. A headlight characterized in that it is performed only by moving the optical device (2). 【請求項２】 低照射光に対応する上記第１位置におい
ては、上記調光器（２）の上縁が上記ヘッドライト
（３）の光軸（９）の上に位置することを特徴とする請
求項１のヘッドライト。2. At the first position corresponding to low illumination light, the upper edge of the dimmer (2) is located on the optical axis (9) of the headlight (3). The headlight according to claim 1. 【請求項３】 上記調光器（２）の移動は、上記ヘッド
ライトの光軸（９）に垂直な面内で垂直方向に生じるこ
とを特徴とする請求項１又は２のヘッドライト。3. Headlight according to claim 1, characterized in that the movement of the dimmer (2) occurs in a vertical direction in a plane perpendicular to the optical axis (9) of the headlight. 【請求項４】 上記調光器（２）は揺動運動により上記
第１位置と上記第２位置との間を移動することを特徴と
する請求項１又は２のヘッドライト。4. The headlight according to claim 1, wherein the dimmer (2) moves between the first position and the second position by a swinging motion. 【請求項５】 上記調光器（２）が、当該調光器（２）
を固定支持した電磁石（１）により作動せしめられるこ
とを特徴とする請求項１ないし４のいずれかに記載のヘ
ッドライト。5. The dimmer (2) is the dimmer (2).
The headlight according to any one of claims 1 to 4, wherein the headlight is operated by an electromagnet (1) fixedly supporting. 【請求項６】 上記調光器（２）が、電気ステッピング
モータ又は他の同様の作動手段により手動で作動せしめ
られることを特徴とする請求項１ないし４のいずれかに
記載のヘッドライト。6. Headlight according to claim 1, characterized in that the dimmer (2) is manually actuated by an electric stepper motor or other similar actuating means. 【請求項７】 上記光源（５）が単一フィラメント型ラ
ンプ、二重フィラメント型ランプ、又は、ガス放電白熱
ランプであることを特徴とする請求項１ないし６のいず
れかに記載のヘッドライト。7. The headlight according to claim 1, wherein the light source (5) is a single filament type lamp, a double filament type lamp or a gas discharge incandescent lamp. 【請求項８】 低照射光に対応する上記調光器（２）の
位置が、上記電磁石（１）を去勢したときの位置である
ことを特徴とする請求項５のヘッドライト。8. The headlight according to claim 5, wherein the position of the dimmer (2) corresponding to the low irradiation light is the position when the electromagnet (1) is deenergized. 【請求項９】 上記調光器（２）の移動ストロークの端
部にショックアブソーバ手段を設けたことを特徴とする
請求項１ないし８のいずれかに記載のヘッドライト。9. The headlight according to claim 1, wherein a shock absorber means is provided at an end portion of a moving stroke of the dimmer (2).
JP5042797A 1996-03-05 1997-03-05 Projection type head light Pending JPH09330603A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT96MI000429A IT1283192B1 (en) 1996-03-05 1996-03-05 PROJECTION TYPE HEADLIGHT FOR MOTORCYCLE AND/OR AUTOMOTIVE APPLICATIONS
IT96A000429 1996-08-05

Publications (1)

Publication Number Publication Date
JPH09330603A true JPH09330603A (en) 1997-12-22

Family

ID=11373509

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5042797A Pending JPH09330603A (en) 1996-03-05 1997-03-05 Projection type head light

Country Status (9)

Country Link
EP (1) EP0794382B1 (en)
JP (1) JPH09330603A (en)
AT (1) ATE201925T1 (en)
DE (1) DE69705082T2 (en)
DK (1) DK0794382T3 (en)
ES (1) ES2159781T3 (en)
GR (1) GR3036555T3 (en)
IT (1) IT1283192B1 (en)
PT (1) PT794382E (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6948837B2 (en) 2003-03-07 2005-09-27 Ichikoh Industries, Ltd. Pattern-variable headlamp
JP2006066367A (en) * 2004-07-26 2006-03-09 Denso Corp Visual recognition support system
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JP2006066367A (en) * 2004-07-26 2006-03-09 Denso Corp Visual recognition support system
US7478933B2 (en) 2005-06-08 2009-01-20 Koito Manufacturing Co., Ltd. Vehicle lamp
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JP2007001428A (en) * 2005-06-23 2007-01-11 Koito Mfg Co Ltd Lighting fixture for vehicle
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DE69705082D1 (en) 2001-07-12
DK0794382T3 (en) 2001-09-24
IT1283192B1 (en) 1998-04-16
ES2159781T3 (en) 2001-10-16
ITMI960429A1 (en) 1997-09-05
EP0794382A2 (en) 1997-09-10
GR3036555T3 (en) 2001-12-31
ATE201925T1 (en) 2001-06-15
PT794382E (en) 2001-11-30
DE69705082T2 (en) 2002-02-07
ITMI960429A0 (en) 1996-03-05
EP0794382B1 (en) 2001-06-06
EP0794382A3 (en) 1998-08-12

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