JPH0439075Y2 - - Google Patents
Info
- Publication number
- JPH0439075Y2 JPH0439075Y2 JP6925887U JP6925887U JPH0439075Y2 JP H0439075 Y2 JPH0439075 Y2 JP H0439075Y2 JP 6925887 U JP6925887 U JP 6925887U JP 6925887 U JP6925887 U JP 6925887U JP H0439075 Y2 JPH0439075 Y2 JP H0439075Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- detection circuit
- light drive
- lamp
- engine start
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Landscapes
- Arrangements Of Lighting Devices For Vehicle Interiors, Mounting And Supporting Thereof, Circuits Therefore (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は、インストルメントパネルの照明灯、
テールランプ、ヘツドランプなどの点灯制御を自
動的に行う自動車用照明制御装置に関するもので
ある。[Detailed description of the invention] [Industrial application field] The invention is applicable to instrument panel lighting,
The present invention relates to an automotive lighting control device that automatically controls lighting of tail lamps, head lamps, etc.
第２図に従来例を示す。第２図において、２１
はバツテリー、２２はイグニツシヨンスイツチ、
２３はランプ、２４は周囲の明るさを検出してラ
イト駆動信号を出力する夜間検出回路、２５はラ
イト駆動スイツチ回路である。前記夜間検出回路
２４は、前記イグニツシヨンスイツチ２２のオン
に伴つて作動可能となるようにしている。
FIG. 2 shows a conventional example. In Figure 2, 21
is the battery, 22 is the ignition switch,
23 is a lamp, 24 is a nighttime detection circuit that detects ambient brightness and outputs a light drive signal, and 25 is a light drive switch circuit. The nighttime detection circuit 24 is enabled to operate when the ignition switch 22 is turned on.
即ち、イグニツシヨンスイツチ２２のオン時に
周囲が点灯レベルの暗さであれば、スイツチ２２
のオンと同時にランプ２３が点灯する。 That is, if the surroundings are dark enough to turn on when the ignition switch 22 is turned on, the switch 22
The lamp 23 lights up at the same time as the switch is turned on.
しかし、このような回路構成では、周囲が点灯
レベルの暗さの時は、イグニツシヨンスイツチ２
２のオンと同時にランプ２３が点灯するため、エ
ンジン始動時にスタータモータ等で必要する大電
流に加えてランプ点灯電流が流れ、バツテリー２
１に非常に大きな負担がかかり、寿命を縮めるこ
とになる。
However, with this kind of circuit configuration, when the surrounding area is as dark as the lighting level, the ignition switch 2
Since the lamp 23 lights up at the same time as the battery 2 turns on, a lamp lighting current flows in addition to the large current required by the starter motor etc. when starting the engine, and the battery 2
This places a huge burden on the patient and shortens his lifespan.
本考案は、イグニツシヨンスイツチのオンを作
動条件として周囲の明るさを検出し、明るさが所
定レベル以下の時にライト駆動信号を生じる夜間
検出回路と、電圧レギユレータのＬ端子（エンジ
ンが始動し、ACジエネレータの発電が開始され
た時にバツテリーの電圧と等しくなる端子で、以
下電圧レギユレータのＬ端子という）の電圧から
エンジンの始動を検出するエンジン始動検出回路
と、前記夜間検出回路とエンジン始動検出回路の
出力の論理積をとるアンド回路と、このアンド回
路の論理条件成立時に作動してランプを点灯させ
るライト駆動スイツチ回路とを備えたことを特徴
とするものである。
This invention includes a nighttime detection circuit that detects ambient brightness when the ignition switch is turned on and generates a light drive signal when the brightness is below a predetermined level, and a voltage regulator's L terminal (when the engine starts). , a terminal that becomes equal to the voltage of the battery when power generation of the AC generator starts, and hereinafter referred to as the L terminal of the voltage regulator); The present invention is characterized in that it includes an AND circuit that takes the logical product of the outputs of the circuit, and a light drive switch circuit that operates to light the lamp when the logical condition of the AND circuit is satisfied.
以下、本考案を図示の実施例に基づいて詳細に
説明する。
Hereinafter, the present invention will be explained in detail based on illustrated embodiments.
第１図は本考案の一実施例を示すもので、１は
バツテリー、２はイグニツシヨンスイツチ、３は
ランプ、４は電圧レギユレータで、エンジンが始
動し、ACジエネレータの発電が開始された時に
バツテリー１の電圧と等しくなるＬ端子ｔを備え
ている。 Figure 1 shows an embodiment of the present invention, in which 1 is a battery, 2 is an ignition switch, 3 is a lamp, and 4 is a voltage regulator. It is provided with an L terminal t that is equal to the voltage of the battery 1.
５は周囲の明るさを検出してライト駆動信号を
出力する夜間検出回路、６はライト駆動スイツチ
回路、７は前記レギユレータ４のＬ端子ｔの電圧
からエンジン始動を検出するエンジン始動検出回
路、８は前記夜間検出回路５とエンジン始動検出
回路７の出力の論理積をとり、その出力を前記ラ
イト駆動スイツチ回路６に与えるアンド（AND）
回路である。 5 is a nighttime detection circuit that detects ambient brightness and outputs a light drive signal; 6 is a light drive switch circuit; 7 is an engine start detection circuit that detects engine start from the voltage at the L terminal t of the regulator 4; 8; is an AND operation that takes the logical product of the outputs of the nighttime detection circuit 5 and the engine start detection circuit 7, and applies that output to the light drive switch circuit 6.
It is a circuit.
次に、動作について述べる。イグニツシヨンス
イツチ２をオンすると、スタータモータ等が動作
するとともに、夜間検出回路５が作動可能とな
り、周囲の明るさが検出される。この時、周囲が
点灯レベルの暗さであれば、その出力としてライ
ト駆動信号が生じてアンド回路８の一方の入力と
なる。アンド回路８の他方の入力としてのエンジ
ン始動検出回路７の出力は、エンジンが始動し、
ACジエネレータの発電が開始されてレギユレー
タ４のＬ端子ｔがバツテリー電圧になつた時点で
生じる。この結果、アンド回路８の条件が成立
し、その出力、つまりライト駆動信号がライト駆
動スイツチ回路６に加わり、ランプ３が点灯す
る。 Next, the operation will be described. When the ignition switch 2 is turned on, the starter motor etc. are operated, and the night detection circuit 5 is enabled to operate, and the surrounding brightness is detected. At this time, if the surroundings are dark at the lighting level, a light drive signal is generated as an output and becomes one input of the AND circuit 8. The output of the engine start detection circuit 7 as the other input of the AND circuit 8 indicates that the engine has started and
This occurs when the AC generator starts generating electricity and the L terminal t of the regulator 4 reaches the battery voltage. As a result, the condition of the AND circuit 8 is satisfied, and its output, that is, the write drive signal, is applied to the light drive switch circuit 6, and the lamp 3 is turned on.
以上のように本考案によれば、ヘツドランプな
どの自動点灯条件として周囲の明るさの他、エン
ジン作動を付加したので、ランプの点灯はエンジ
ン始動後となつてバツテリーの消耗を緩和させる
ことができ、過大な負担による寿命の短縮を防止
できる。
As described above, according to the present invention, in addition to ambient brightness, the engine operation is added as a condition for automatic lighting of headlamps, etc., so that the lamps are turned on only after the engine has started, which can reduce battery consumption. , it is possible to prevent shortening of life due to excessive burden.
第１図は本考案に係る自動車用照明制御装置の
一実施例を示すブロツク回路図、第２図は従来例
を示すブロツク回路図である。
１……バツテリー、２……イグニツシヨンスイ
ツチ、３……ランプ、４……電圧レギユレータ、
５……夜間検出回路、６……ライト駆動スイツチ
回路、７……エンジン始動検出回路、８……アン
ド回路、ｔ……レギユレータ４のＬ端子。
FIG. 1 is a block circuit diagram showing an embodiment of an automobile lighting control device according to the present invention, and FIG. 2 is a block circuit diagram showing a conventional example. 1... Battery, 2... Ignition switch, 3... Lamp, 4... Voltage regulator,
5... Nighttime detection circuit, 6... Light drive switch circuit, 7... Engine start detection circuit, 8... AND circuit, t... L terminal of regulator 4.
Claims (1)
て周囲の明るさを検出し、明るさが所定レベル以
下の時にライト駆動信号を生じる夜間検出回路
と、電圧レギユレータのＬ端子の電圧からエンジ
ンの始動を検出するエンジン始動検出回路と、前
記夜間検出回路とエンジン始動検出回路の出力の
論理積をとるアンド回路と、このアンド回路の論
理条件成立時に作動してランプを点灯させるライ
ト駆動スイツチ回路とを備えたことを特徴とする
自動車用照明制御装置。 A nighttime detection circuit detects the ambient brightness when the ignition switch is turned on and generates a light drive signal when the brightness is below a predetermined level, and detects engine starting from the voltage at the L terminal of the voltage regulator. The present invention includes an engine start detection circuit, an AND circuit that takes the logical product of the outputs of the nighttime detection circuit and the engine start detection circuit, and a light drive switch circuit that operates to turn on the lamp when the logical condition of the AND circuit is satisfied. An automotive lighting control device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6925887U JPH0439075Y2 (en) | 1987-05-08 | 1987-05-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6925887U JPH0439075Y2 (en) | 1987-05-08 | 1987-05-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63180352U JPS63180352U (en) | 1988-11-22 |
| JPH0439075Y2 true JPH0439075Y2 (en) | 1992-09-11 |
Family
ID=30909826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6925887U Expired JPH0439075Y2 (en) | 1987-05-08 | 1987-05-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439075Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3203217U (en) * | 2016-01-06 | 2016-03-17 | 龍太郎 植岡 | Automatic lighting device for vehicle lights |
-
1987
- 1987-05-08 JP JP6925887U patent/JPH0439075Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63180352U (en) | 1988-11-22 |
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