JPH0771945B2 - Bicycle lighting device - Google Patents
Bicycle lighting deviceInfo
- Publication number
- JPH0771945B2 JPH0771945B2 JP60155704A JP15570485A JPH0771945B2 JP H0771945 B2 JPH0771945 B2 JP H0771945B2 JP 60155704 A JP60155704 A JP 60155704A JP 15570485 A JP15570485 A JP 15570485A JP H0771945 B2 JPH0771945 B2 JP H0771945B2
- Authority
- JP
- Japan
- Prior art keywords
- generator
- transistor
- headlight
- secondary battery
- turned
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 description 5
- 239000003990 capacitor Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
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 (a) Field of Industrial Application The present invention relates to a lighting device used for a bicycle.
（ロ） 従来の技術 従来におけるこの種の照明装置は実開昭58−115479号公
報にも示されている如く、ソーラー電池を組み込んで昼
間に太陽光線を電力に変換して充電しておき、夜間にこ
の充電電力を利用して前照灯を点灯する構成としている
が、斯る構成であると、夜間の使用時には常時前照灯が
点灯するためそのソーラー電池の電力消耗が早くなり、
あるいは使用者が手動にてわざわざソーラー電池への電
力供給を停止するスイツチを開閉しなければならない欠
点があつた。(B) Conventional Technology As shown in Japanese Utility Model Laid-Open No. 58-115479, this type of conventional lighting device incorporates a solar battery and converts sunlight into electric power during the daytime to be charged. Although the headlamp is configured to be lit by using this charging power at night, with such a configuration, the headlamp is always lit during use at night, so the power consumption of the solar battery becomes faster,
Alternatively, there is a drawback that the user has to manually open and close the switch for stopping the power supply to the solar battery.
（ハ） 発明が解決しようとする問題点 本発明は自動的に二次電池からの充放電を制御して、こ
の二次電池の消耗をなくすることを目的とする。(C) Problems to be Solved by the Invention An object of the present invention is to automatically control charging / discharging from a secondary battery to eliminate consumption of the secondary battery.
（ニ） 問題点を解決するための手段 本発明は、周囲の明るさを検知して出力する照度検知手
段と、互いに並列的に接続される車輪の回転に伴い発電
する発電機と前照灯と二次電池と、前記前照灯への通電
路に介在されるスイッチ手段とを備え、前記発電機が発
電し且つ前記照度検知手段が所定の明るさを検知したと
きに前記スイッチ手段を閉成する開閉制御手段を設けた
ものである。(D) Means for Solving the Problems The present invention is directed to an illuminance detecting means for detecting and outputting ambient brightness, a generator for generating electric power with rotation of wheels connected in parallel with each other, and a headlight. And a secondary battery and a switch means interposed in a power supply path to the headlight, and closes the switch means when the generator generates power and the illuminance detecting means detects a predetermined brightness. The opening / closing control means is provided.
（ホ） 作用 本発明は斯る構成を有しているため、夜間走行時におい
て暗い所では二次電池と発電機との電力にて前照灯を点
灯でき且つ二次電池を併用しているため車輪を回転する
足の力は少なくて済み、しかも停止時や商店街等での比
較的明るい所では前照灯を自動的に照灯し、そして二次
電池は発電機にて充電されることができる。(E) Operation Since the present invention has such a configuration, the headlight can be turned on by the electric power of the secondary battery and the generator in a dark place during nighttime driving, and the secondary battery is also used. Therefore, the force to rotate the wheels is small, and the headlights are automatically lit when stopped or in relatively bright places such as shopping streets, and the secondary battery is charged by the generator. be able to.
（ヘ） 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「起」位置で発電せず、「倒」位置でこの前輪
（４）の回転力に発電する交流発電機（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
灯ユニツト（９）を装着している。前記尾灯ユニツト
（９）内には充電式の二次電池（10）を内装している。
また照度検出手段（８）は所定の明るさを検出して信号
を出するものであればよい。(F) Example (1) is a bicycle equipped with a headlight (2) consisting of a light bulb (40) in the front part and a taillight (3) consisting of light emitting diodes in the rear part. 4) is provided with an alternator (5) that presses against the outer surface of the outer side surface of the front wheel (4) in a tilted manner and does not generate power at the "raised" position, and at the "tilted" position, the rotational force of the front wheel (4) is generated. In the mudguard (7), the taillight (3) is provided rearward, and the illuminance detection means (8), which is a solar cell for generating electricity by the sun rays (S), is provided upward, and the taillight unit (9) is provided. I am wearing. A rechargeable secondary battery (10) is housed in the taillight unit (9).
Further, the illuminance detecting means (8) may be any one that detects a predetermined brightness and outputs a signal.
次に電気回路を説明する。発電機（５）と前照灯（２）
と電池（10）および照度検知手段（８）とは互いに並列
的に接続されている。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。前記照灯（２）と直列に逆流防止用の第１ダ
イオード（D1）を介してNPNトランジスタからなる第２
スイツチ手段（T2）を接続している。即ち第２スイツチ
手段（T2）は前照灯への通電路に介在されている。前記
前照灯（２）と発電機（５）との間には第１抵抗（R1）
とPNPトランジスタからなる第１スイツチ手段（T1）と
の並列回路を接続している。前記第２スイツチ手段（T
2）のコレクタと第１スイツチ手段（T1）のベースとの
間に第２抵抗（R2）を接続している。前記第２スイツチ
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）との接続点に接続さ
れ、この第３トランジスタ（T3）のベースはPNP型の第
５トランジスタ（T5）とPNP型の第６トランジスタ（T
6）との接続点に第３抵抗（R3）を介して接続されてい
る。（R4）、（R5）は保護抵抗である。前記第３抵抗
（R3）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（T6）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）のベースとエミツ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（R7）を接続し
ている。そして電池（10）と並列に第８抵抗（R8）と第
９抵抗（R9）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（T6）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。Next, the electric circuit will be described. Generator (5) and headlight (2)
The battery (10) and the illuminance detecting means (8) are connected in parallel with each other. The generator (5) is full-wave rectified by a full-wave rectifier (11) including diodes (Da) to (Dd). A second NPN transistor, which is connected in series with the lamp (2) through a first diode (D1) for preventing backflow.
The switch means (T2) is connected. That is, the second switch means (T 2 ) is interposed in the energizing path to the headlight. A first resistor (R1) is provided between the headlight (2) and the generator (5).
And a first switch means (T1) composed of a PNP transistor are connected in parallel. The second switch means (T
A second resistor (R2) is connected between the collector of 2) and the base of the first switch means (T1). The base of the second switch means (T2) is an NPN type third transistor (T3).
Is connected to a connection point between the NPN type fourth transistor (T4) and the base of the third transistor (T3) is a PNP type fifth transistor (T5) and a PNP type sixth transistor (T4).
It is connected to the connection point with 6) via the third resistor (R3). (R4) and (R5) are protective resistors. A first capacitor (C1) for charging and discharging is connected to the third resistor (R3). The base of the fourth transistor (T4) and the collector of the sixth transistor (T6) are connected to a sixth transistor having a large resistance value.
Connected via a resistor (R6). Further, a second capacitor (C2) for charging / discharging is connected between the base of the fourth transistor (T4) and the emitter, and a second diode (D2) for preventing reverse current is provided in parallel with the second capacitor (C2). The seventh resistor (R7) having a smaller resistance value is connected via. The eighth resistor (R8) and the ninth resistor (R9) are connected in parallel with the battery (10), and the base of the sixth transistor (T6) is connected to the midpoint between them. (D3)
Is a third diode for preventing backflow.
第３図は他の実施例で、前照灯（２）の上面に太陽電池
（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 upper surface of the headlight (2).
斯る構成による動作を説明すると、まず、夜間の走行時
で発電機（５）を駆動している時であつて所定の明るさ
より暗い場所にきたときには、発電機（５）からの出力
にて第５トランジスタ（T5）をONせしめるとともに第３
トランジスタ（T3）もONせしめ、一方照度検知手段
（８）からの出力がないため、第６トランジスタ（T6）
をOFFせしめるとともに第４トランジスタ（T4）もOFFせ
しめ、その結果第２スイツチ手段（T2）をONせしめると
ともに第１スイツチ手段（T1）をONせしめ、二次電池
（10）の出力と発電機（５）の出力とで前照灯（２）を
点灯せしめるものである。この時二次電池（10）に充分
なる充電量がある間は発電機（５）からの出力は少しで
よいため車輪を回転せしめる足には負担がかからなくな
る。Explaining the operation by such a configuration, first, when the generator (5) is being driven during nighttime driving and when the vehicle comes to a place darker than a predetermined brightness, the output from the generator (5) is used. Turn on the 5th transistor (T5) and turn on the 3rd
The transistor (T3) is also turned on, while there is no output from the illuminance detection means (8), so the sixth transistor (T6)
And the fourth transistor (T4) are also turned off, so that the second switch means (T2) is turned on and the first switch means (T1) is turned on, and the output of the secondary battery (10) and the generator ( With the output of 5), the headlight (2) is turned on. At this time, while the secondary battery (10) has a sufficient amount of charge, the output from the generator (5) may be small, so that the legs that rotate the wheels are not burdened.
また、夜間の走行で暗い所から商店街等の所定の明るい
場所にきたときには、車輪が回転しているため発電機
（５）からの出力があり、前述の如く第５トランジスタ
（T5）と第３トランジスタ（T3）をONせしめ、一方所定
の明るさであるため照度検知手段（８）からの出力があ
り、よつて第６トランジスタ（T6）と第４トランジスタ
（T4）もONせしめ、その結果第２スイッチ手段（T2）も
第１スイッチ手段（T1）もOFFとなり、前照灯（２）は
消灯し且つ二次電池（10）は第１抵抗（R1）を介して発
電機（５）から充電される。また自転車を停止させる
と、発電機（５）からの出力がなくなるので、第５トラ
ンジスタ（T5）及び第３トランジスタ（T3）がOFFし、
よって第２スイッチング手段（T2）及び第１スイッチ手
段（T1）がOFFし、その結果前照灯（２）は自動的に消
灯する。Also, when driving from a dark place to a predetermined bright place such as a shopping street during nighttime driving, there is output from the generator (5) because the wheels are rotating, and as described above, the fifth transistor (T5) and 3 transistor (T3) is turned on, while there is an output from the illuminance detection means (8) because it has a predetermined brightness, so the 6th transistor (T6) and 4th transistor (T4) are also turned on, and as a result Both the second switch means (T2) and the first switch means (T1) are turned off, the headlight (2) is turned off, and the secondary battery (10) is connected to the generator (5) via the first resistor (R1). Is charged from. When the bicycle is stopped, the output from the generator (5) disappears, so the 5th transistor (T 5 ) and 3rd transistor (T 3 ) turn off,
Therefore, the second switching means (T 2 ) and the first switching means (T 1 ) are turned off, and as a result, the headlight (2) is automatically turned off.
本発明は以上の如く、第３トランジスタ（T3）〜第６ト
ランジスタ（T6）等で構成する開閉制御手段（Ａ）を、
照度検知手段（８）と発電機（５）にて制御してその結
果スイッチ手段（T2）をON−OFFし、前照灯を外部の明
るさ及び走行しているか否かに応じて照灯、点灯の自動
選別でき、また発電機（５）を利用して二次電池（10）
の充電ができ、しかも二次電池（10）に充分なる充電量
があると前照灯（２）を点灯するときに発電機（５）を
駆動せしめるための力が少なくて済むことになる。As described above, the present invention provides the switching control means (A) composed of the third transistor (T3) to the sixth transistor (T6),
It is controlled by the illuminance detection means (8) and the generator (5), and as a result, the switch means (T 2 ) is turned on and off, and the headlight is illuminated according to the external brightness and whether or not the vehicle is traveling. Automatic selection of lights and lights, and secondary battery (10) using generator (5)
If the secondary battery (10) has a sufficient amount of charge, the power for driving the generator (5) when the headlight (2) is turned on will be small.
（ト） 発明の効果 本発明は以上の如く構成したものであるから、前照灯の
点滅を外部の明るさ及び走行に応じて自動選別でき、且
つ明るい時には前照灯は消灯するため二次電池の消耗を
押えることができ、しかも前照灯が消灯しているときに
は発電機にて二次電池を充電することができ、その上前
照灯を照灯するときには二次電池からの電力供給がある
ため発電機の電力発生は少なくて済みその結果発電機を
駆動せしめるための力は少なくて済む効果がある。(G) Effect of the Invention Since the present invention is configured as described above, the blinking of the headlight can be automatically selected according to the external brightness and running, and when the light is bright, the headlight is turned off. Battery consumption can be suppressed, the secondary battery can be charged by the generator when the headlight is off, and power is supplied from the secondary battery when the headlight is illuminated. As a result, less electricity is generated by the generator, and as a result, less power is required to drive the generator.
第１図は本発明照明装置を備えた自転車の概略図、第２
図は同電気回路図、第３図は他の実施例を示す斜視図で
ある。 （２）……前照灯、（５）……発電機、（８）……照度
検知手段、（10）……二次電池、（T2）……スイツチ手
段、（Ａ）……開閉制御手段。FIG. 1 is a schematic view of a bicycle equipped with the lighting device of the present invention, and FIG.
The figure is the same electric circuit diagram, and FIG. 3 is a perspective view showing another embodiment. (2) …… Headlight, (5) …… Generator, (8) …… Illuminance detection means, (10) …… Secondary battery, (T2) …… Switching means, (A) …… Opening / closing control means.
Claims (1)
手段と、互いに並列的に接続される車輪の回転に伴い発
電する発電機と前照灯と二次電池と、前記前照灯への通
電路に介在されるスイッチ手段とを備え、前記発電機が
発電し且つ前記照度検知手段が所定の明るさを検知した
ときに前記スイッチ手段を閉成する開閉制御手段を設け
たことを特徴とする自転車用照明装置。1. An illuminance detecting means for detecting and outputting ambient brightness, a generator, a headlight, a secondary battery for generating electric power with rotation of wheels connected in parallel with each other, and the headlight. And an opening and closing control means for closing the switching means when the generator generates power and the illuminance detecting means detects a predetermined brightness. A characteristic lighting device for bicycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60155704A JPH0771945B2 (en) | 1985-07-15 | 1985-07-15 | Bicycle lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60155704A JPH0771945B2 (en) | 1985-07-15 | 1985-07-15 | Bicycle lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6215181A JPS6215181A (en) | 1987-01-23 |
| JPH0771945B2 true JPH0771945B2 (en) | 1995-08-02 |
Family
ID=15611689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60155704A Expired - Fee Related JPH0771945B2 (en) | 1985-07-15 | 1985-07-15 | Bicycle lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0771945B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01175983U (en) * | 1988-06-03 | 1989-12-14 | ||
| JPH0317943U (en) * | 1989-07-03 | 1991-02-21 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5327287A (en) * | 1976-08-27 | 1978-03-14 | Nanbi Kougiyou Kk | Device for switching car head lamp and varying light intensity thereof |
| JPS5357688U (en) * | 1976-10-18 | 1978-05-17 | ||
| JPS5355687A (en) * | 1976-10-29 | 1978-05-20 | Hitachi Maxell Ltd | Vehicle illumination lighting device |
| JPS54129777A (en) * | 1978-03-31 | 1979-10-08 | Kurosawa Noriyuki | Power source device of bicycle lamp |
| JPS5657533A (en) * | 1979-10-11 | 1981-05-20 | Matsushita Electric Works Ltd | Lighting apparatus for bicycle |
| JPS5671639A (en) * | 1979-11-12 | 1981-06-15 | Honda Motor Co Ltd | Controller for light of vehicle |
| JPS58156429A (en) * | 1982-03-13 | 1983-09-17 | Nissan Motor Co Ltd | Controller for vehicle's light |
| JPH0771944B2 (en) * | 1985-06-19 | 1995-08-02 | 三洋電機株式会社 | Bicycle lighting device |
-
1985
- 1985-07-15 JP JP60155704A patent/JPH0771945B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6215181A (en) | 1987-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |