JPS6150039U - - Google Patents
Info
- Publication number
- JPS6150039U JPS6150039U JP13582384U JP13582384U JPS6150039U JP S6150039 U JPS6150039 U JP S6150039U JP 13582384 U JP13582384 U JP 13582384U JP 13582384 U JP13582384 U JP 13582384U JP S6150039 U JPS6150039 U JP S6150039U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- tunnel
- ultrasonic
- determining
- determining 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
- 238000005286 illumination Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
Description
第１図は本考案の一実施例に係る車両用照明灯
切替装置のブロツク図、第２図は本考案の一実施
例に係る超音波発信器及び超音波受信器の作用を
示す説明図、第３図は照明灯の切替制御を説明す
るフローチヤート図である。
１０……車両用照明灯切替装置、１２……照明
灯、１４……制御ユニツト、１６……トンネル内
判定手段、１８……トンネル長判定手段、２０…
…車両走行状態判定手段、２２……昼間判定手段
、２４……超音波発信器、２６……超音波受信器
、２８……車速センサ。
FIG. 1 is a block diagram of a vehicle lighting switching device according to an embodiment of the present invention, and FIG. 2 is an explanatory diagram showing the operation of an ultrasonic transmitter and an ultrasonic receiver according to an embodiment of the present invention. FIG. 3 is a flowchart illustrating switching control of illumination lights. DESCRIPTION OF SYMBOLS 10... Vehicle illumination light switching device, 12... Illumination light, 14... Control unit, 16... Tunnel interior determining means, 18... Tunnel length determining means, 20...
...Vehicle running state determining means, 22...Daytime determining means, 24...Ultrasonic transmitter, 26...Ultrasonic receiver, 28...Vehicle speed sensor.
Claims (1)
作動させる車両用照明灯切替装置において、 車両上方へ向け所定時間間隔ごとに超音波を発
信する超音波発信器と、前記超音波発信器が超音
波を発信した後の所定時間のみトンネル内壁より
の超音波反射波を受信可能とする超音波受信器と
を有し、前記超音波受信器が超音波を受信したと
きに車両はトンネル内にあると判定するトンネル
内判定手段と、 車速センサと前記超音波受信器の両出力からト
ンネル長を判定するトンネル長判定手段と、 車両の所定速度以上での走行状態か否かを判定
する車両走行状態判定手段と、 車両用照明灯スイツチと連動し、昼間であるか
否かを判定する昼間判定手段と、 を備え、車両が昼間時に所定長以上のトンネル内
走行状態となつた場合にのみ車両用照明灯をオン
作動させることを特徴とする車両用照明灯切替装
置。[Scope of claim for utility model registration] In a vehicle lighting switching device that turns on and off vehicle lighting when driving in a tunnel, an ultrasonic transmitter that emits ultrasonic waves upwards at predetermined time intervals; and an ultrasonic receiver capable of receiving ultrasonic reflected waves from the tunnel inner wall only for a predetermined time after the ultrasonic transmitter transmits the ultrasonic waves, and when the ultrasonic receiver receives the ultrasonic waves. tunnel length determining means for determining that the vehicle is in the tunnel; tunnel length determining means for determining the tunnel length from both outputs of the vehicle speed sensor and the ultrasonic receiver; and determining whether the vehicle is running at a predetermined speed or higher. a vehicle running state determining means for determining whether the vehicle is running in a tunnel of a predetermined length or more during the daytime, and daytime determining means for determining whether or not it is daytime in conjunction with a vehicle lighting switch; A vehicular lighting switching device characterized in that the vehicular lighting is turned on only when the vehicular lighting is worn out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13582384U JPS6150039U (en) | 1984-09-07 | 1984-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13582384U JPS6150039U (en) | 1984-09-07 | 1984-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6150039U true JPS6150039U (en) | 1986-04-04 |
Family
ID=30694308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13582384U Pending JPS6150039U (en) | 1984-09-07 | 1984-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6150039U (en) |
-
1984
- 1984-09-07 JP JP13582384U patent/JPS6150039U/ja active Pending
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