JP2012104423A5

JP2012104423A5 -

Info

Publication number: JP2012104423A5
Application number: JP2010253352A
Authority: JP
Filing date: 2010-11-12
Publication date: 2013-11-21
Anticipated expiration: 2030-11-12

Description

上記課題を解決するために、請求項１に記載の発明は、
上方及び下方へ個別に光を出射する第１光源及び第２光源を有する光源ユニットと、
前記光源ユニットの上方に配置され、前記第１光源から出射された光を前方へ反射させる第１反射面と、
前記光源ユニットの下方に配置され、前記第２光源から出射された光を前方へ反射させる第２反射面と、
を備える二輪車用前照灯において、
前記第２光源が、前記第１光源よりも前方に配置され、
前記第２反射面が、前記第１反射面よりも前方に配置され、
前記第２反射面の下方に配置され、前記第２光源から出射された光の一部を前記第１反射面へ反射させる第３反射面を備えることを特徴とする。 In order to solve the above-mentioned problem, the invention described in claim 1
A light source unit having a first light source and a second light source that individually emit light upward and downward; and
A first reflecting surface disposed above the light source unit and reflecting light emitted from the first light source forward;
A second reflecting surface that is disposed below the light source unit and reflects light emitted from the second light source forward;
In a motorcycle headlamp comprising:
The second light source is disposed in front of the first light source;
The second reflective surface is disposed in front of the first reflective surface;
A third reflection surface is provided below the second reflection surface, and reflects a part of the light emitted from the second light source to the first reflection surface .

請求項２に記載の発明は、請求項１に記載の二輪車用前照灯において、
前記光源ユニットは、前記第１光源及び前記第２光源が上面及び下面に取り付けられた支持プレートを有し、
前記支持プレートは、前記第１光源及び前記第２光源からの発熱を放散させるヒートシンクであることを特徴とする。 The invention according to claim 2 is the headlight for a motorcycle according to claim 1 ,
The light source unit includes a support plate on which the first light source and the second light source are attached to an upper surface and a lower surface,
The support plate may be a heat sink that dissipates heat generated from the first light source and the second light source.

請求項３に記載の発明は、請求項１又は２に記載の二輪車用前照灯において、
前記第１反射面の下端と前記第２反射面の上端とは、後方へ開口したコ字状部を介して連結され、
前記光学ユニットは、前記コ字状部の内側に配置されていることを特徴とする。 The invention according to claim 3 is the headlight for a motorcycle according to claim 1 or 2 ,
The lower end of the first reflecting surface and the upper end of the second reflecting surface are connected via a U-shaped portion that opens backward,
The optical unit is disposed inside the U-shaped portion.

Claims

A light source unit having a first light source and a second light source that individually emit light upward and downward; and
A first reflecting surface disposed above the light source unit and reflecting light emitted from the first light source forward;
A second reflecting surface that is disposed below the light source unit and reflects light emitted from the second light source forward;
In a motorcycle headlamp comprising:
The second light source is disposed in front of the first light source;
The second reflective surface is disposed in front of the first reflective surface;
A two- wheeled vehicle headlamp , comprising: a third reflecting surface that is disposed below the second reflecting surface and reflects a part of the light emitted from the second light source to the first reflecting surface .

The light source unit includes a support plate on which the first light source and the second light source are attached to an upper surface and a lower surface,
The two- wheeled vehicle headlamp according to claim 1 , wherein the support plate is a heat sink that dissipates heat generated from the first light source and the second light source .

The lower end of the first reflecting surface and the upper end of the second reflecting surface are connected via a U-shaped portion that opens backward,
The two-wheeled vehicle headlamp according to claim 1 , wherein the optical unit is disposed inside the U-shaped portion .