JPH0224736U - - Google Patents
Info
- Publication number
- JPH0224736U JPH0224736U JP10331188U JP10331188U JPH0224736U JP H0224736 U JPH0224736 U JP H0224736U JP 10331188 U JP10331188 U JP 10331188U JP 10331188 U JP10331188 U JP 10331188U JP H0224736 U JPH0224736 U JP H0224736U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- detection circuit
- detects
- abnormality
- semiconductor switch
- 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 7
- 230000005856 abnormality Effects 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000001934 delay Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Description
第1図は本発明に係る車両のヘツドランプ制御
装置の実施例を示すブロツク図、第2図は従来の
車両ヘツドランプの制御回路を示すブロツク図で
ある。
11……ランプ、12……半導体スイツチ、1
5……異常検出回路、20……走行検出回路、2
1……車両停止警報発生装置、30……ランプ消
灯遅延回路。
FIG. 1 is a block diagram showing an embodiment of a vehicle headlamp control device according to the present invention, and FIG. 2 is a block diagram showing a conventional vehicle headlamp control circuit. 11...Lamp, 12...Semiconductor switch, 1
5... Abnormality detection circuit, 20... Running detection circuit, 2
1... Vehicle stop warning generating device, 30... Lamp extinguishing delay circuit.
Claims (1)
ランプ駆動回路において、前記半導体スイツチの
異常を検出する異常検出回路と、車両が走行状態
にあることを検知する走行検知回路と、前記異常
検出回路から異常信号が発生しかつ前記走行検知
回路が車両の走行を検知しているとき、運転者に
車両を停止するように促す警報を発生する車両停
止警報発生装置と、該車両停止警報発生装置から
の警報が発生された後に、前記走行検知回路が車
両の停止を検知するまで、前記半導体スイツチを
オフすることを遅延させる、ランプ消灯遅延回路
とを設けた車両用ランプ駆動回路。 In a vehicle lamp drive circuit that is turned on and off by a semiconductor switch, there is an abnormality detection circuit that detects an abnormality in the semiconductor switch, a running detection circuit that detects that the vehicle is in a running state, and an abnormality signal from the abnormality detection circuit. a vehicle stop warning generating device that generates an alarm prompting the driver to stop the vehicle when the vehicle is detected to be running and the traveling detection circuit detects that the vehicle is traveling; and a lamp extinguishing delay circuit that delays turning off the semiconductor switch after the driving detection circuit detects that the vehicle has stopped.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10331188U JPH0224736U (en) | 1988-08-05 | 1988-08-05 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10331188U JPH0224736U (en) | 1988-08-05 | 1988-08-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0224736U true JPH0224736U (en) | 1990-02-19 |
Family
ID=31334026
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10331188U Pending JPH0224736U (en) | 1988-08-05 | 1988-08-05 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0224736U (en) |
-
1988
- 1988-08-05 JP JP10331188U patent/JPH0224736U/ja active Pending
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