PROBLEM TO BE SOLVED: To provide a direction indicator for a vehicle which can be used as an LED direction indicator lamp by utilizing a conventional incandescent bulb blinker control unit as it is, is achieved in power saving, and prevented in heat generation.SOLUTION: In this direction indicator for a vehicle which displays an advance direction of the vehicle by blinking an LED direction indicator lamp 16 by an on/off-signal of an incandescent bulb blinker control unit 13, a current holding circuit 29 which holds a passing current of the LED direction indicator lamp 16 at an on-time of the blinker control unit 13, and an oscillation circuit 30 which oscillates at a cycle sufficiently shorter than a time for detecting that the passing current goes below a threshold by a current monitoring device in the blinker control unit 13, and makes a pulse current flow to the direction indicator lamp 16 are connected to the LED direction indicator lamp 16.SELECTED DRAWING: Figure 1
【課題】従来の白熱球用ウインカー制御ユニットをそのまま利用してLEDの方向指示灯に利用でき、かつ、省電力、発熱防止をした車両用方向指示装置を提供すること。【解決手段】本発明の車両用方向指示装置は、白熱球用のウインカー制御ユニット13のオン、オフ信号によりLEDからなる方向指示灯16を点滅点灯して車両の進行方向を表示する車両用方向指示装置において、前記LEDの方向指示灯16に、前記ウインカー制御ユニット13のオン時にLEDの方向指示灯16の通過電流を保持する電流保持回路29と、前記ウインカー制御ユニット13内の電流監視装置にて通過電流が閾値を下回ったと検知する時間より十分短い周期で発振して前記方向指示灯16にパルス電流を流す発振回路30とを接続する。【選択図】図1
DIRECTION INDICATOR FOR VEHICLE
車両用方向指示装置
2016-08-08
Patent
Electronic Resource
Japanese
IPC: | B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / H05B ELECTRIC HEATING , Elektrische Heizung |
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