JPS58121729U

JPS58121729U - Transistor type turn signal/hazard flasher

Info

Publication number: JPS58121729U
Application number: JP18181182U
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 drawings]

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−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１、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一点灯率線図、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路、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□−
コイル、Ｃ１，Ｃ２，Ｃ３：：１７デンサ、Ｔｒｌ、　
Ｔｒ２：トランジスタ、Ｒ１，Ｒ２，Ｒ３，Ｒ４，Ｒ６
，Ｒ６，Ｒ７，−Ｒ８，Ｒ，、Ｒｌｏ、　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：バッテリ
ー、３：ラングミ４：ターンシグナルスイツチ、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 3rd-1'th embodiment is compared with the second embodiment. ] Figures 1 and 4 are diagrams showing the number of blinks per power supply fluctuation, and Figures 4 and 4 are power supply fluctuations and lighting rate diagrams comparing the 1' and 2nd embodiments, and Figure 5 is a characteristic change test due to increased power supply fluctuations. 6 is a circuit diagram of the third embodiment of the present invention, FIG. 7 is a circuit diagram of the second embodiment,
FIG. 4 is a lamp load one-flashing circuit, lighting rate ′, and starting time diagram for comparison with the third embodiment. The symbols in the figure indicate the following elements. P: Contact, L: Relay □-
Coil, C1, C2, C3::17 capacitor, Trl,
Tr2: transistor, R1, R2, R3, R4, R6
, R6, R7, -R8, R, , Rlo, R11: Resistance, Dl, B2. B3. D: Diode, ZD,
Zener diode, VR: variable resistance, °2: battery, 3: Langmi, 4: turn signal switch, 5: ground.

Claims

[Scope of utility model registration request]

A battery terminal B1 connected to the battery 2, a turn signal switch 4, 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 are provided, and are activated when the turn signal switch 4 is operated. start,
In a vehicle flasher that blinks a lamp 3 using charging and discharging of a capacitor C1, the operation of the turn signal switch 4 is detected and turned on, and the capacitor C1 is turned on.
The transistor Tr□ which repeatedly turns on and off depending on the terminal voltage of the transistor Tr□ which drives the relay L connected in series, the capacitor C1 and the resistor R3 which are connected to the base of the transistor Tr□ to form a charging path are connected in series. circuit, a resistor R6 that is interposed between the base of the transistor Tr□ and the lamp terminal L' to form a discharge path for the capacitor C□, and a resistor R6 that is interposed between the base of the transistor Tr□ and the lamp terminal L', and a resistor R6 that forms a discharge path for the capacitor C□, and the lamp terminal L' when the turn signal switch 4 is opened.
a resistor R8 forming a discharge path from the battery, a current detection resistor R□ interposed in a circuit that supplies power from the battery terminal B to the lamp terminal L', and a contact P of the relay L;
A transistor Tr2 that operates in accordance with the voltage drop across the current detection resistor R1 to control the potential on the collector side, a resistor R11 interposed between the resistor R3 and the ground terminal 8, and the resistor R□1. A Zener diode ZD and a resistor R are interposed between the connection point of the resistor R3 and the battery terminal 8.
Transistor type turn signal hazard flasher-0 characterized by having 9 series circuits.