JPH0234001U - - Google Patents
Info
- Publication number
- JPH0234001U JPH0234001U JP11275588U JP11275588U JPH0234001U JP H0234001 U JPH0234001 U JP H0234001U JP 11275588 U JP11275588 U JP 11275588U JP 11275588 U JP11275588 U JP 11275588U JP H0234001 U JPH0234001 U JP H0234001U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- light source
- source bulb
- paraboloid
- focal point
- 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
Links
- 230000003287 optical effect Effects 0.000 claims 1
Description
第１図は本考案に係る車輌用前照灯の１実施例
を示し、ａは正面図、ｂは断面側面図、ｃは断面
底面図である。第２図は上記実施例の作用、効果
を説明するための配光パターンを描いた図表であ
る。第３図は前記と異なる実施例を示し、ａは正
面図、ｂは断面側面図、ｃは断面底面図である。
第４図は従来例の車輌用前照灯を示し、ａは正面
図、ｂは断面側面図、ｃは断面底面図である。
１……リフレクタ、２……光源バルブ、２ａ…
…メインフイラメント、２ｂ……サブフイラメン
ト、３……前面レンズ、４……リフレクタ。
FIG. 1 shows one embodiment of a vehicle headlamp according to the present invention, in which a is a front view, b is a cross-sectional side view, and c is a cross-sectional bottom view. FIG. 2 is a chart depicting light distribution patterns for explaining the functions and effects of the above embodiment. FIG. 3 shows a different embodiment from the above, in which a is a front view, b is a cross-sectional side view, and c is a cross-sectional bottom view.
FIG. 4 shows a conventional vehicle headlamp, in which a is a front view, b is a cross-sectional side view, and c is a cross-sectional bottom view. 1...Reflector, 2...Light source bulb, 2a...
...Main filament, 2b...Sub filament, 3...Front lens, 4...Reflector.
Claims (1)
の前方に設けられた前面レンズと、上記リフレク
タの焦点付近に設けられた光源バルブとを基本構
成とし、前記の光源バルブは走行用のメインフイ
ラメントとすれ違い用のサブフイラメントとを有
するものである車輌用前照灯において、 前記のリフレクタは、焦点位置を異にする複数
個の回転放物面状の反射面を有し、 上記複数個の回転放物面状反射面のうち、中央
部に位置する中央部反射面の焦点は光源バルブの
メインフイラメント付近に位置し、 前記複数個の回転放物面状反射面のうち、中央
部反射面の周辺に位置する反射面の焦点は光源バ
ルブのサブフイラメントよりも前方に位置し、 かつ、上記周辺部の反射面のうち、上半部の少
なくとも一部はその光軸を水平よりも下向きにし
たことを特徴とする車輌用前照灯。[Claims for Utility Model Registration] The basic structure includes a paraboloid of revolution reflector, a front lens provided in front of the reflector, and a light source bulb provided near the focal point of the reflector, and the light source bulb In a vehicle headlamp that has a main filament for driving and a subfilament for passing, the reflector has a plurality of paraboloid-shaped reflecting surfaces having different focal positions. , Among the plurality of paraboloid of revolution reflecting surfaces, the focal point of the central reflecting surface located in the center is located near the main filament of the light source bulb; , the focal point of the reflective surfaces located around the central reflective surface is located in front of the subfilament of the light source bulb, and at least a part of the upper half of the reflective surfaces at the periphery points along its optical axis. A vehicle headlight that is characterized by being oriented downward rather than horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11275588U JPH0234001U (en) | 1988-08-30 | 1988-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11275588U JPH0234001U (en) | 1988-08-30 | 1988-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0234001U true JPH0234001U (en) | 1990-03-05 |
Family
ID=31351983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11275588U Pending JPH0234001U (en) | 1988-08-30 | 1988-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0234001U (en) |
-
1988
- 1988-08-30 JP JP11275588U patent/JPH0234001U/ja active Pending
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