JPS61291278A - Lighting system for bicycle - Google Patents
Lighting system for bicycleInfo
- Publication number
- JPS61291278A JPS61291278A JP60133385A JP13338585A JPS61291278A JP S61291278 A JPS61291278 A JP S61291278A JP 60133385 A JP60133385 A JP 60133385A JP 13338585 A JP13338585 A JP 13338585A JP S61291278 A JPS61291278 A JP S61291278A
- Authority
- JP
- Japan
- Prior art keywords
- switch means
- secondary battery
- transistor
- generator
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 16
- 238000005286 illumination Methods 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】 （イ） 産業上の利用分野 本発明は自転車に使用する照明装置に関する。[Detailed description of the invention] (b) Industrial application field The present invention relates to a lighting device for use on a bicycle.
（ロ）従来の技術
従来における、二次電池と照度検知手段とを併用する照
明装置は例えば弊社出願の実願昭５９−１６９５０３号
にも開示されているが、斯る構成で昼間発を機を駆動せ
しめたときとか、夜間でも商店街など比較的明るい場所
を走行しつつ発電機を駆動せしめたとき、その明るさを
検出して前照灯を点灯しないようにするが、発を機から
常時電力が発生されているため、連続して二次電池が充
電されることになり、その結果二次電池が過充電状態と
なって、爆発したり内部の電解液が洩れたりする欠点が
あった。(B) Conventional technology A conventional lighting device that uses both a secondary battery and an illuminance detection means is disclosed, for example, in U.S. Pat. No. 59-169503 filed by our company. When driving a generator, or when driving a generator while driving in a relatively bright place such as a shopping district at night, the brightness is detected and the headlights are not turned on. Since power is constantly being generated, the secondary battery is charged continuously, which can lead to the secondary battery becoming overcharged and causing an explosion or leakage of the electrolyte inside. Ta.
（ハ）発明が解決しようとする問題点
そこで本発明は、発電機を駆動しつつ前照灯が点灯して
いないときに、二次電池が過充電状態とならないように
することを目的とする。(C) Problems to be Solved by the Invention Therefore, the present invention aims to prevent the secondary battery from becoming overcharged when the generator is being driven and the headlights are not on. .
（ニ）問題点を解決するための手段
本発明は発電機と前照灯と二次電池および照度検出手段
とを互いに並列接続し、前記前照灯と発電機との間に抵
抗と第１スイッチ手段との並列回路を接続するとともに
前照灯に前記照度検出手段からの信号出力があるときに
のみ開成する第２スインチ手段を直列接読して成り、所
定の明るさの時には前記照度検知手段から信号を出力せ
しめるとともに前記第１スイッチ手段を開成し、所定の
明るさに満たない時には前記照度検知手段からの信号の
出力を停止せしめるとともに前記第１スイッチ手段を閉
成せしめたことを特徴とするものである。(D) Means for Solving Problems The present invention connects a generator, a headlamp, a secondary battery, and an illuminance detection means in parallel to each other, and connects a resistor and a first A parallel circuit is connected to the switch means, and a second switch means is opened only when the headlight receives a signal output from the illuminance detecting means. A signal is output from the illuminance detection means and the first switch means is opened, and when the brightness does not reach a predetermined level, the output of the signal from the illuminance detection means is stopped and the first switch means is closed. That is.
（ホ）作用
所定の明るきを照度検知手段が検知したときには、前照
灯を消灯せしめるとともに第１スイッチ手段を開成して
発電機からの電力を抵抗を介して二次電池へ供給するも
のである。(E) Operation When the illuminance detection means detects a predetermined brightness, the headlights are turned off and the first switch means is opened to supply electric power from the generator to the secondary battery via the resistor. .
そして暗いときには第１スイッチ手段を閉成して、発電
機からの電力を第１スイッチ手段を介して直接前照灯へ
あるいは二次電池へ供給するものである。When it is dark, the first switch means is closed to supply power from the generator directly to the headlight or to the secondary battery via the first switch means.
（へ）実施例
（１）は前部に電球（４０）からなる前照灯（２）を、
後部に発光ダイオードからなる尾灯（３）を夫々設けた
自転車で、前ホークには前輪（４）の外側面に起倒自在
に圧接し１起」位置で発電せず、「倒。(f) Example (1) has a headlight (2) consisting of a light bulb (40) in the front,
This bicycle is equipped with a tail light (3) consisting of a light emitting diode at the rear, and the front fork is pressed against the outer surface of the front wheel (4) so that it can be raised or folded freely.
位置でこの前輪（４〉の回転力にて発電する交流発を機
（５）を備え、後輪〈６）の泥除け（７）には前記尾灯
（３）を後方に向けて設けるとともに太陽光線（Ｓ）に
より発電する太陽電池でなる照度検知手段（８）を上方
に向けて設けた尾灯ユニット（９）を装着している。前
記尾灯ユニット（９）内には充電式の二次電池（１０）
を内装している。At this position, an alternating current generator (5) is installed to generate electricity using the rotational force of the front wheels (4), and the taillight (3) is installed facing rearward on the mudguard (7) of the rear wheel (6). A tail light unit (9) is installed with an illuminance detection means (8) made of a solar cell that generates electricity by (S) facing upward. A rechargeable secondary battery (10) is installed in the taillight unit (9).
It's decorated.
尚、本案においては照度検知手段（８）は所定の明るき
を検出して信号を出するものであればよい。In the present invention, the illuminance detection means (8) may be of any type as long as it detects a predetermined level of brightness and outputs a signal.
次に電気回路を説明する６発電機く５）と前照灯（２）
と二次電池〈１０）および照度検知手段（８）とは互い
に並列接続されている。前記発電機（５）はダイオード
（Ｄａ）〜（Ｄｄ）からなる全波整流器（１１）により
全波整流される。前記前照灯（２）と直列に逆流防止用
の第１ダイオード（Ｄ ＋）を介してＮＰＮトランジス
タからなる第２スイッチ手段（Ｔ２）を接続している。Next, I will explain the electric circuit 6. Generator 5) and headlight (2)
The secondary battery (10) and the illuminance detection means (8) are connected in parallel to each other. The generator (5) is full-wave rectified by a full-wave rectifier (11) consisting of diodes (Da) to (Dd). A second switch means (T2) made of an NPN transistor is connected in series with the headlamp (2) via a first diode (D+) for preventing backflow.
前記前照灯（２）と発電機（５）との間には第１抵抗（
Ｒ＋）とＰＮＰ トランジスタからなる第１スイッチ手
段（Ｔ＋）との並列回路を接続している。前記第２スイ
ッチ手段（Ｔ２）のコレクタと第１スイッチ手段（Ｔ１
）のベースとの間に第２抵抗（Ｒ２）を接続している。A first resistor (
R+) and a first switch means (T+) consisting of a PNP transistor are connected in parallel. The collector of the second switch means (T2) and the first switch means (T1
) is connected to the base of the second resistor (R2).
前記第２スイッチ手段（Ｔ２）のベースはＮＰＮ型の第
３トランジスタ（Ｔ３）とＮＰＮ型の第４トランジスタ
（Ｔ４）との接続点に接続辿れ、この第３トランジスタ
（Ｔｅ）のベースはＰＮＰ型の第５・トランジスタ（Ｔ
５）とＰＮＰ型の第６トランジスタ（Ｔｓ）との接続点
に第３抵抗（ＲＧ）を介して接読きれている。（Ｒ４）
、（Ｒｓ）は保護抵抗である。前記第３抵抗（ＲＧ）に
は充放電用の第１コンデンサー（Ｃ１）を接続している
。前記第４トランジスタ（Ｔ４）のベースと第６トラン
ジスタ（Ｔｅ）のコレクターとを抵抗値の大なる第６抵
抗（Ｒ６）を介して接続している。また前記第４トラン
ジスタ（Ｔ４）のベースとエミッターとの間に充放電用
の第２コンデンサー（Ｃ２）を接続するとともにこの第
２コンデンサー〈Ｃ２）と並列に逆流防止用の第２ダイ
オード（Ｄ２）を介して抵抗値の小なる第７抵抗（Ｒ）
）を接続している。モして電池（１０）と並列に第８抵
抗（Ｒｓ）と第９抵抗（Ｒ８）とを接続するとともにこ
れらの中間点に第６トランジスタ（１日）のベースを接
続している−（Ｄ３）は逆流防止用の第３ダイオードで
ある。The base of the second switch means (T2) is connected to the connection point between the third transistor (T3) of the NPN type and the fourth transistor (T4) of the NPN type, and the base of the third transistor (Te) is of the PNP type. The fifth transistor (T
5) and the PNP type sixth transistor (Ts) through a third resistor (RG). (R4)
, (Rs) is a protection resistance. A first capacitor (C1) for charging and discharging is connected to the third resistor (RG). The base of the fourth transistor (T4) and the collector of the sixth transistor (Te) are connected through a sixth resistor (R6) having a large resistance value. Further, a second capacitor (C2) for charging and discharging is connected between the base and emitter of the fourth transistor (T4), and a second diode (D2) for preventing backflow is connected in parallel with this second capacitor (C2). through the seventh resistor (R) with a smaller resistance value.
) are connected. An eighth resistor (Rs) and a ninth resistor (R8) are connected in parallel with the battery (10), and the base of the sixth transistor (1st) is connected to the intermediate point between them. ) is a third diode for backflow prevention.
第３図は他の実施例で、前照灯（２）の上面に太陽電池
く８）を設けたものである。FIG. 3 shows another embodiment in which a solar cell 8) is provided on the top surface of the headlight (2).
斯る構成による動作を説明すると、まず昼間あるいは夜
間でも商店街等の所定の明るさの場所において、発電機
（５）を駆動せしめている時には、第５トランジスタ（
Ｔｓ）と第３トランジスタ（Ｔ３）とをＯＮＬ且つその
明るさを照度検知手段（８ンが検知して出力し、第６ト
ランジスタ（１日）と第４トランジスタ（Ｔ４）とをＯ
Ｎし、よって第２スイッチ手段〈Ｔ２）をＯＦＦせしめ
るとともに第１スイッチ手段（Ｔ１）もＯＦＦせしめる
。To explain the operation of such a configuration, first of all, when the generator (5) is being driven in a place with a predetermined brightness such as a shopping street during the day or at night, the fifth transistor (
Ts) and the third transistor (T3) are ONL, and the illuminance detection means (8) detects and outputs the brightness, and the sixth transistor (1st) and the fourth transistor (T4) are ONL.
Therefore, the second switch means (T2) is turned off, and the first switch means (T1) is also turned off.
その結果前照灯（２〉は消灯し、発電機（５）からの発
電される電力は二次電池（１０）に充電されようとする
が、第１スイツデ手段（’ｒ＋）がＯＦＦしているため
前述の電力供給は抵抗（Ｒ＋）を介して行なわれ、前記
二次電池（１０）への供給電力が低下し、よってこの二
次電池（１０）に対する充電が過充電状態となることが
ない。As a result, the headlight (2) goes out and the power generated from the generator (5) attempts to charge the secondary battery (10), but the first switch means ('r+) is turned off. Therefore, the above-mentioned power supply is performed via the resistor (R+), and the power supplied to the secondary battery (10) decreases, so that the charging of the secondary battery (10) may become overcharged. do not have.
また、照度検知手段（８）が太陽電池とすると、この太
陽電池からも二次電池（１０）を充電することができる
。Moreover, if the illuminance detection means (8) is a solar cell, the secondary battery (10) can also be charged from this solar cell.
次に、夜間で暗い所へ走行すると、照度検知手段（８〉
からの出力がなくなり、よって第６トランジスタ（Ｔ８
）および第４トランジスタ（Ｔ４）がＯＦＦとなり、又
第５トランジスタ（Ｔ５）と第３トランジスタ（ＴＯ）
とはＯＮであるため、よって第２スイッチ手段（Ｔ２）
と第１スイッチ手段（Ｔ１）とはＯＮとなる。したがっ
て、二次電池り１０）の充電量が低いときには発電機（
５）からの出力にて第１スイッチ手段（’ｒｉ）を介し
て直接前照灯（２）を点灯せしめるとともに二次電池（
１０）を充電する。Next, when you drive into a dark place at night, the illuminance detection means (8)
Therefore, the sixth transistor (T8
) and the fourth transistor (T4) are turned off, and the fifth transistor (T5) and the third transistor (TO) are turned off.
is ON, so the second switch means (T2)
and the first switch means (T1) are turned on. Therefore, when the charge amount of the secondary battery 10) is low, the generator (
5) directly turns on the headlight (2) via the first switch means ('ri), and also turns on the secondary battery ('ri).
10) Charge.
そして、二次電池（１０）の充電量が充分高いときには
前照灯（２）は発電機（５）と二次電池（１０）から電
力供給を受けて点灯する。When the charge amount of the secondary battery (10) is sufficiently high, the headlight (2) is turned on by receiving power from the generator (5) and the secondary battery (10).
（ト）発明の効果
本発明は斯る構成であるため、照度検知手段が所定の明
るさを検知して前照灯を消灯し、しかも発電機を駆動せ
しめていても、発電機からの二次電池への電力供給は抵
抗を介して行なわれるため、二次電池が過充電となるこ
とがなく、しかも暗い所では抵抗を介さずに第１スイッ
チ手段を介して直接前照灯へ発電機から電力供給される
ため、この抵抗の影響を受けて点灯効率が低下すること
がない。(G) Effects of the Invention Since the present invention has such a configuration, even if the illuminance detection means detects a predetermined brightness and turns off the headlights, and the generator is driven, the second Since power is supplied to the secondary battery via the resistor, the secondary battery will not be overcharged.Furthermore, in a dark place, the generator is directly supplied to the headlamp via the first switch means without going through the resistor. Since the power is supplied from the LED, the lighting efficiency will not be affected by this resistance.
第１図は本発明照明装置を備えた自転車の概略図、第２
図は電気回路図、第３図は他の実施例を示す概略図であ
る。Fig. 1 is a schematic diagram of a bicycle equipped with the lighting device of the present invention;
The figure is an electric circuit diagram, and FIG. 3 is a schematic diagram showing another embodiment.
Claims (1)
を互いに並列接続し、前記前照灯と発電機との間に抵抗
と第１スイッチ手段との並列回路を接続するとともに前
照灯に前記照度検知手段からの信号出力があるときにの
み開成する第２スイッチ手段を直列接続して成り、所定
の明るさの時には前記照度検知手段から信号を出力せし
めるとともに前記第１スイッチ手段を開成し、所定の明
るさに満たない時には前記照度検知手段からの信号の出
力を停止せしめるとともに前記第１スイッチ手段を閉成
せしめたことを特徴とする自転車用照明装置。(1) A generator, a headlamp, a secondary battery, and an illuminance detection means are connected in parallel with each other, and a parallel circuit including a resistor and a first switch means is connected between the headlamp and the generator. A second switch means is connected in series and is opened only when a signal is output from the illuminance detection means to the illumination lamp, and when the illuminance is at a predetermined brightness, a signal is output from the illuminance detection means and the first switch means is opened. The bicycle lighting device is characterized in that when the illuminance is opened and the illuminance does not reach a predetermined brightness, the output of the signal from the illuminance detection means is stopped and the first switch means is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60133385A JPH068113B2 (en) | 1985-06-19 | 1985-06-19 | Bicycle lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60133385A JPH068113B2 (en) | 1985-06-19 | 1985-06-19 | Bicycle lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61291278A true JPS61291278A (en) | 1986-12-22 |
| JPH068113B2 JPH068113B2 (en) | 1994-02-02 |
Family
ID=15103496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60133385A Expired - Lifetime JPH068113B2 (en) | 1985-06-19 | 1985-06-19 | Bicycle lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068113B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444291U (en) * | 1987-09-11 | 1989-03-16 | ||
| JPH01175983U (en) * | 1988-06-03 | 1989-12-14 | ||
| JPH0317943U (en) * | 1989-07-03 | 1991-02-21 |
-
1985
- 1985-06-19 JP JP60133385A patent/JPH068113B2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6444291U (en) * | 1987-09-11 | 1989-03-16 | ||
| JPH01175983U (en) * | 1988-06-03 | 1989-12-14 | ||
| JPH0317943U (en) * | 1989-07-03 | 1991-02-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068113B2 (en) | 1994-02-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |