JPS61120634U - - Google Patents
Info
- Publication number
- JPS61120634U JPS61120634U JP415385U JP415385U JPS61120634U JP S61120634 U JPS61120634 U JP S61120634U JP 415385 U JP415385 U JP 415385U JP 415385 U JP415385 U JP 415385U JP S61120634 U JPS61120634 U JP S61120634U
- Authority
- JP
- Japan
- Prior art keywords
- optical axis
- adjustment device
- light emitter
- light
- axis adjustment
- 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 description 13
- 238000001514 detection method Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000002265 prevention Effects 0.000 description 1
Description
第１図は本考案の一実施例を示す光軸調整装置
の具体的な回路図、第２図は光軸センサの構成図
、第３図ａ，ｂは走行検出器の具体的な構成図並
びにデイスクの平面図、第４図は光軸駆動装置の
構成図、第５図は傾きセンサの他の実施例を示す
回路図、第６図は作動制限回路の他の実施例を示
す回路図である。
１……傾きセンサ、２，７……光軸検出スイツ
チ、３，８……逆流防止ダイオード、４，９……
モータ、５，１０……光軸駆動装置、６，１１…
…前照灯、１２……作動制限回路、３１……発光
ダイオード、３２……フオトトランジスタ、３３
……マスク、３４……デイスク、３５，５１……
タイマ、５０……永久磁石、５１〜５４……ホー
ルＩＣ、Ｒ１〜Ｒ１９……抵抗、Ｔｒ１〜Ｔｒ１
８……トランジスタ。
Figure 1 is a specific circuit diagram of an optical axis adjustment device showing an embodiment of the present invention, Figure 2 is a configuration diagram of an optical axis sensor, and Figures 3a and b are specific configuration diagrams of a travel detector. 4 is a block diagram of the optical axis drive device, FIG. 5 is a circuit diagram showing another embodiment of the tilt sensor, and FIG. 6 is a circuit diagram showing another embodiment of the operation limiting circuit. It is. 1... Tilt sensor, 2, 7... Optical axis detection switch, 3, 8... Backflow prevention diode, 4, 9...
Motor, 5, 10... Optical axis drive device, 6, 11...
...Headlight, 12...Operation limiting circuit, 31...Light emitting diode, 32...Phototransistor, 33
...Mask, 34...Disk, 35,51...
Timer, 50...Permanent magnet, 51-54...Hall IC, R1-R19...Resistor, Tr1-Tr1
8...Transistor.
Claims (1)
傾きセンサと、モータの回転により車輌の前照灯
の光軸方向を段階的に変化させる光軸駆動装置と
、前記前照灯の光軸の方向に対応して複数の接点
が順次切替わる光軸検出スイツチと、光軸調整装
置の作動時間を制限する作動制限回路を具備して
成ることを特徴とする前照灯の光軸調整装置。 (2) 前記傾きセンサは、発光器と、該発光器よ
りの出力光を受光する複数列のスイツチング回路
と、発光器とスイツチング回路間に設けられ、前
記発光器よりの出力光を通す複数個の穴を形成し
た遮光板とより成る実用新案登録請求の範囲第１
項に記載の前照灯の光軸調整装置。 (3) 前記傾きセンサは、永久磁石と、該永久磁
石に近接して設けられた複数個のホールＩＣ並び
にホールＩＣ出力でオン、オフ制御されるスイツ
チング回路とにより構成される実用新案登録請求
の範囲第１項に記載の前照灯の光軸調整装置。[Scope of Claim for Utility Model Registration] (1) A tilt sensor whose output changes sequentially in response to the tilt of the vehicle body, and an optical axis drive device that changes the optical axis direction of the vehicle headlight in stages by rotating a motor. and an optical axis detection switch that sequentially switches a plurality of contacts in accordance with the direction of the optical axis of the headlamp, and an operation limiting circuit that limits the operating time of the optical axis adjustment device. Optical axis adjustment device for headlights. (2) The tilt sensor includes a light emitter, a plurality of rows of switching circuits that receive output light from the light emitter, and a plurality of rows of switching circuits that are provided between the light emitter and the switching circuit and that transmit the output light from the light emitter. Utility model registration claim 1 consisting of a light shielding plate with holes formed therein.
The headlamp optical axis adjustment device described in 2. (3) The tilt sensor is constituted by a permanent magnet, a plurality of Hall ICs provided close to the permanent magnet, and a switching circuit that is controlled on and off by the Hall IC output. The optical axis adjustment device for a headlamp according to scope 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP415385U JPS61120634U (en) | 1985-01-18 | 1985-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP415385U JPS61120634U (en) | 1985-01-18 | 1985-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61120634U true JPS61120634U (en) | 1986-07-30 |
Family
ID=30479454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP415385U Pending JPS61120634U (en) | 1985-01-18 | 1985-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61120634U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963243A (en) * | 1982-09-30 | 1984-04-10 | Koito Mfg Co Ltd | Apparatus for adjusting optical axis of head lamp of vehicle |
-
1985
- 1985-01-18 JP JP415385U patent/JPS61120634U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5963243A (en) * | 1982-09-30 | 1984-04-10 | Koito Mfg Co Ltd | Apparatus for adjusting optical axis of head lamp of vehicle |
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