JPH0227938U - - Google Patents
Info
- Publication number
- JPH0227938U JPH0227938U JP1988106015U JP10601588U JPH0227938U JP H0227938 U JPH0227938 U JP H0227938U JP 1988106015 U JP1988106015 U JP 1988106015U JP 10601588 U JP10601588 U JP 10601588U JP H0227938 U JPH0227938 U JP H0227938U
- Authority
- JP
- Japan
- Prior art keywords
- irradiation range
- vehicle
- diagram showing
- microcomputer
- lamp
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
Description
第１図は本考案に係る車両用前照灯装置の第１
実施例を示す説明図、第２図は照射範囲の変化を
示す説明図、第３図は本実施例におけるマイクロ
コンピユータのフローチヤートを示す図、第４図
は本考案の第２実施例を示す説明図、第５図は液
晶マトリクス構造を示す図、第６図は本実施例に
おけるマイクロコンピユータのフローチヤートを
示す図、第７図は本考案の第３実施例におけるマ
イクロコンピユータのフローチヤートを示す図、
第８図は車速とヘツドランプの光軸角度との関係
を示す図、第９図は光軸調整機構の一実施例を示
す断面図、第１０図は従来における車両用前照灯
装置の一例を示す平面図である。
７，１３，２０……ヘツドランプ（灯光器）、
１０……切れ角検出センサ（車両の進行方向検出
手段）、１１，２５……マイクロコンピユータ（
照射範囲制御手段）、１７……ラツク（照射範囲
の可変手段）、１８……ピニオン（照射範囲の可
変手段）、２１……液晶マトリクス（照射範囲の
可変手段）。
Figure 1 shows the first part of the vehicle headlamp device according to the present invention.
FIG. 2 is an explanatory diagram showing changes in the irradiation range; FIG. 3 is a flowchart of the microcomputer in this embodiment; FIG. 4 is a diagram showing a second embodiment of the present invention. Explanatory drawings, FIG. 5 is a diagram showing a liquid crystal matrix structure, FIG. 6 is a diagram showing a flowchart of a microcomputer in this embodiment, and FIG. 7 is a diagram showing a flowchart of a microcomputer in a third embodiment of the present invention. figure,
Fig. 8 is a diagram showing the relationship between vehicle speed and the optical axis angle of the headlamp, Fig. 9 is a sectional view showing an embodiment of the optical axis adjustment mechanism, and Fig. 10 is an example of a conventional vehicle headlamp device. FIG. 7, 13, 20...Headlamp (lamp),
10... Turning angle detection sensor (vehicle traveling direction detection means), 11, 25... Microcomputer (
irradiation range control means), 17... rack (irradiation range variable means), 18... pinion (irradiation range variable means), 21... liquid crystal matrix (irradiation range variable means).
Claims (1)
両の進行方向の変化の度合を検出することにより
その検出信号に基づいて照射範囲の広狭を制御し
たことを特徴とする車両用前照灯装置。 1. A headlamp device for a vehicle, comprising a lamp having a means for varying the irradiation range, and controlling the width of the irradiation range based on a detection signal by detecting the degree of change in the direction of travel of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106015U JPH0227938U (en) | 1988-08-12 | 1988-08-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988106015U JPH0227938U (en) | 1988-08-12 | 1988-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0227938U true JPH0227938U (en) | 1990-02-23 |
Family
ID=31339151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988106015U Pending JPH0227938U (en) | 1988-08-12 | 1988-08-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0227938U (en) |
-
1988
- 1988-08-12 JP JP1988106015U patent/JPH0227938U/ja active Pending
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