JPS58121727U

JPS58121727U - Transistor type turn signal/hazard flasher

Info

Publication number: JPS58121727U
Application number: JP18180982U
Authority: JP
Inventors: 奥山　豊征
Original assignee: 株式会社三ッ葉電機製作所
Priority date: 1982-12-02
Filing date: 1982-12-02
Publication date: 1983-08-19

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図は本考案の第１実施例の回路図、第２図は正常負
荷時と異常負荷時との時間−電位線図、第３図は第１′
実施例と第２実施例とを比較した電源変動一点滅回数線
図、°第４図は同じく第１′売施例と第２実施例とを比
較した電源変動ニ点灯率線図、第５図は電源変動増加に
伴う特性変化試験の試験用電源変動線図、第６図は本考
案の第３実施例の回路図、第７図は第２実施例と第３実
施例とを比較したランプ負荷一点滅回数、点灯率存及び
始動時間線図である゛。図中の符号は下記要素を示す。Ｐ：接点、Ｌ：ＩＪシレ
ーイル、Ｃ１，Ｃ２，Ｃ３：：１７デンサ、Ｔｒ１１Ｔ
ｒ２：トランジスタ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ３，
Ｒ６，Ｒ７゜Ｒ８＊’９＋　Ｒ１０ｅ　Ｒ１１：抵抗、
Ｄｌ、　Ｂ２．　Ｂ３．　Ｄ、：ダイオード、ＺＤ：ツ
ェナーダイオード、ＶＲ：可変抵抗、２：バツテリニ、
３：ランプ、４：ターンシグナルスイッチ、５：アース
。Fig. 1 is a circuit diagram of the first embodiment of the present invention, Fig. 2 is a time-potential diagram during normal load and abnormal load, and Fig. 3 is a circuit diagram of the first embodiment of the present invention.
Figure 4 is a diagram of the number of blinks per power supply fluctuation comparing the example and the second example; The figure is a test power supply fluctuation diagram for a characteristic change test due to an increase in power supply fluctuations, Figure 6 is a circuit diagram of the third embodiment of the present invention, and Figure 7 is a comparison between the second and third embodiments. This is a diagram of lamp load, number of blinks, lighting rate, and starting time. The symbols in the figure indicate the following elements. P: Contact, L: IJ rail, C1, C2, C3::17 capacitor, Tr11T
r2: transistor, R1, R2, R3, R4, R3,
R6, R7゜R8*'9+ R10e R11: Resistance,
Dl, B2. B3. D: Diode, ZD: Zener diode, VR: Variable resistor, 2: Batterini,
3: Lamp, 4: Turn signal switch, 5: Ground.

Claims

[Scope of utility model registration request]

A battery terminal B1 connected to the battery 2, a lamp terminal L/ connected to the lamp 3 via the turn signal switch 4, and a ground terminal E connected to the ground 5,
In a vehicle flasher that starts operating when the turn signal switch 4 is operated and flashes the lamp 3 by using charging and discharging of the capacitor C, the operation of the turn signal switch 4 is detected and the capacitor C is activated. □
A series circuit consisting of a transistor Tr1 which repeats ON and OFF depending on the terminal voltage and drives a relay L connected in series, a capacitor C1 and a resistor R3 which are connected to the base of the transistor Tr and form a charging path. and a resistor R that is interposed between the base of the transistor Tr1 and the lamp terminal L' and forms a discharge path for the capacitor C1.
6 and? - a resistor R8 that forms a discharge path from the lamp terminal L' when the on signal switch 4 is opened; a current detection resistor R1 that is interposed in the circuit that supplies power from the battery terminal B to the lamp terminal L'; Contact P of relay L
and a transistor Tr2 that operates according to the voltage drop across the current detection resistor R□ to control the potential on the collector side.