JPS59187535U

JPS59187535U - bicycle lighting device

Info

Publication number: JPS59187535U
Application number: JP8252383U
Authority: JP
Inventors: 秀明清水
Original assignee: サンデン株式会社
Priority date: 1983-05-31
Filing date: 1983-05-31
Publication date: 1984-12-12

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

[Brief explanation of the drawing]

第１図は従来の自転車用照明装置による自転車走行速度
と自転車用前照灯の照度との関係及び自転車走行速度と
自転車用発電機の荷重との関係を示した図、第２図は本
考案の一実施例による自転車用照明装置の制御回路１０
０を示した回路図、第３図は第２図の実施例の動作を説
明するための図、第４図は第２図の実施例における発電
機Ｇの荷重特性を示した図である。Ｌ・・・自転車用前照灯、Ｇ・・・自転車用発電機、Ｂ
・・・バッテリー、１００・・・制御回路、ＲＬ・・・
リレー、ｒｌ・・・リレー接点、Ｒ１−Ｒ６・・・抵抗
、Ｄ１〜Ｄ３・・・ダイオード、Ｑ１〜Ｑ３・・・トラ
ンジスタ、Ｃ１及びＣ２・・・コンデンサ。Figure 1 shows the relationship between the bicycle running speed and the illuminance of the bicycle headlamp using a conventional bicycle lighting device, and the relationship between the bicycle running speed and the load of the bicycle generator. Control circuit 10 for a bicycle lighting device according to an embodiment of
3 is a diagram for explaining the operation of the embodiment of FIG. 2, and FIG. 4 is a diagram showing the load characteristics of the generator G in the embodiment of FIG. 2. L... Bicycle headlight, G... Bicycle generator, B
...Battery, 100...Control circuit, RL...
Relay, rl...Relay contact, R1-R6...Resistor, D1-D3...Diode, Q1-Q3...Transistor, C1 and C2...Capacitor.

Claims

[Scope of utility model registration request]

comprising a bicycle lamp section, a bicycle generator, a battery, and a control circuit that switches and connects either the generator or the battery to the lamp section,
A bicycle lighting device characterized in that the control circuit selectively connects the generator and the battery to the lamp portion based on the generated voltage of the generator.