JPS58121728U

JPS58121728U - Transistor type turn signal/hazard flasher

Info

Publication number: JPS58121728U
Application number: JP18181082U
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ｃｔ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！源変動一点滅
回数線図、第４図は同じく第１′実施例と第２実施例と
を比較した電源変動−“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
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：リレーコ
イル、ＣＩ、　Ｃ２，Ｃ３：）７デンサ、Ｔｒｌ、Ｔｒ
２：トランジスタ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ５，Ｒ
６，Ｒ７゜Ｒ８ｓ　Ｒ９＋　Ｒ１０＊　Ｒｌｆ：抵抗、
Ｄ□、　Ｂ２．　Ｂ３．　Ｂ４：ダイオード、ＺＤ：ツ
ェナーダイす−ド、ｖＲ：可変抵抗、２：バッテリー、
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 under normal load and abnormal load, and Fig. 3 is a circuit diagram of the first embodiment of the present invention. I compared □! Figure 4 is a power supply variation-lighting rate diagram comparing the 1st and 2nd embodiments, and Figure 5 is a characteristic change test due to increased power supply fluctuations. Fig. 6 is a circuit diagram of the third embodiment of the present invention, Fig. 7 is a comparison of the second and third embodiments of the lamp load, number of blinks, lighting rate, and starting time line. - The symbols in the figure indicate the following elements: P: contact, L: relay coil, CI, C2, C3:)7 capacitor, Trl, Tr
2: Transistor, R1, R2, R3, R4, R5, R
6, R7゜R8s R9+ R10* Rlf: Resistance,
D□, B2. B3. B4: Diode, ZD: Zener diode, vR: Variable resistance, 2: Battery,
3: Lamp, 4: Turn signal switch, 5: Ground.

Claims

[Scope of utility model registration request]

Recite battery terminal B1 connected to battery 2, lamp terminal L/ connected to lamp 3 via turn signal switch 4, earth terminal E connected to earth 5,
In a vehicle flasher that starts operating when the turn signal switch 4 is operated and flashes the lamp 3 using charging and discharging of the capacitor C, the operation of the turn signal switch 4 is detected and the flasher is turned ON [,, Capacitor C
The transistor Tr repeats ON and OFF depending on the terminal voltage of □ and drives the relay L connected in series.
1, a series circuit of a capacitor C1 and a resistor R3 connected to the base of the transistor Tr□ to form a charging path, and a series circuit of a capacitor C1 and a resistor R3 connected to the base of the transistor Tr□ and a lamp terminal L' to form a discharge path for the capacitor C1. resistance R
6, a resistor R8 that forms a discharge path from the lamp terminal L' when the turn signal switch 4 is opened, and a current detection resistor that is interposed in the circuit that supplies power from the battery terminal B to the lamp terminal L'. R and the contact P of the relay L, and a transistor Tr that operates according to the voltage drop at the current detection resistor R1 to control the potential on the collector side.
2, and a transistor-type turn signal/hazard flasher comprising a capacitor C3 interposed between the base and collector of the transistor Tr2.
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