JPH03118595U - - Google Patents
Info
- Publication number
- JPH03118595U JPH03118595U JP2707190U JP2707190U JPH03118595U JP H03118595 U JPH03118595 U JP H03118595U JP 2707190 U JP2707190 U JP 2707190U JP 2707190 U JP2707190 U JP 2707190U JP H03118595 U JPH03118595 U JP H03118595U
- Authority
- JP
- Japan
- Prior art keywords
- lamp
- lighting
- power supply
- signal
- detection means
- 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 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Alarm Systems (AREA)
Description
第１図乃至第５図は本考案車輌用ランプ点灯回
路の実施の一例を示すものであり、第１図は全体
の構成を示す回路ブロツク図、第２図は光センサ
の取付例を示す概略断面図、第３図は点灯不能状
態検出回路の一例を示す回路ブロツク図、第４図
は動作を説明するためのフローチヤート図、第５
図は点灯異常時の動作を説明するためのタイムチ
ヤート図であり、Ａは点灯動作開始時にランプの
点灯異常が判明した場合、Ｂはランプが一旦点灯
した後に点灯異常が判明した場合の状況を各々示
している。
符号の説明、１……車輌用ランプ点灯回路、４
……電源供給停止手段、１１……ランプ、１２…
…光検出手段、２０……点灯不能状態検出手段。
Figures 1 to 5 show an example of the implementation of the vehicle lamp lighting circuit of the present invention. Figure 1 is a circuit block diagram showing the overall configuration, and Figure 2 is a schematic diagram showing an example of how the optical sensor is installed. 3 is a circuit block diagram showing an example of a lighting failure state detection circuit, FIG. 4 is a flowchart for explaining the operation, and FIG. 5 is a sectional view.
The figure is a time chart to explain the operation when the lighting is abnormal.A shows the situation when the lamp lighting abnormality is found at the start of the lighting operation, and B shows the situation when the lighting abnormality is found after the lamp has been lit once. Each is shown. Explanation of symbols, 1... Vehicle lamp lighting circuit, 4
...Power supply stop means, 11...Lamp, 12...
. . . Light detection means, 20 . . . Unable to light up state detection means.
Claims (1)
状態が所定時間以上継続したときにランプの点灯
不能状態を判断する点灯不能状態検出手段と、 点灯不能状態検出手段からの信号を受けてラン
プへの電源供給を停止させる電源供給停止手段と
を備えた ことを特徴とする車輌用ランプ点灯回路。[Scope of claim for utility model registration] A light detection means for detecting the light emitted by the lamp, and a determination as to whether the lamp cannot be lit when the lamp remains unlit for a predetermined period of time or more based on a signal from the light detection means. 1. A lamp lighting circuit for a vehicle, comprising: a lighting-unable state detecting means; and a power supply stopping means for receiving a signal from the lighting-unable state detecting means and stopping power supply to the lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2707190U JPH03118595U (en) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2707190U JPH03118595U (en) | 1990-03-16 | 1990-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03118595U true JPH03118595U (en) | 1991-12-06 |
Family
ID=31529944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2707190U Pending JPH03118595U (en) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03118595U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59134020A (en) * | 1983-01-19 | 1984-08-01 | Toshiba Corp | Headlight device for vehicle |
| JPS62113627A (en) * | 1985-11-13 | 1987-05-25 | Ichikoh Ind Ltd | Vehicle head lamp |
-
1990
- 1990-03-16 JP JP2707190U patent/JPH03118595U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59134020A (en) * | 1983-01-19 | 1984-08-01 | Toshiba Corp | Headlight device for vehicle |
| JPS62113627A (en) * | 1985-11-13 | 1987-05-25 | Ichikoh Ind Ltd | Vehicle head lamp |
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