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nzrover 发表于 2013-3-29 19:02 
还有就是如何安装能达到WOF的标准?比如开启大灯的时候自动关闭日间行车灯。
我能想到的就是你把灯的控制和大灯的连一起,安一个NC(normally closed)的开关,当你点火的时候,灯就自动亮,当你开了大灯,大灯开,LED关。其实最简单的就是装一个独立开关控制那个LED,想开的时候就开,想关的时候就关,又简单。
关于WOF的,你看下面NZTA的规定
Daytime running lamps
Daytime running lamps are optional lamps fitted to the front of a vehicle to make it easier to see in daylight. They have a low light output and are not bright enough to illuminate the road ahead of the vehicle.
Fitting requirements
You can fit up to two daytime running lamps to your vehicle. If your vehicle already has two daytime running lamps as original equipment, you can’t fit a second pair. On some vehicles, daytime running lamps operate as a function of the main beam headlamp.
Daytime running lamps should be wired so that they automatically switch off when either the dipped or main beam headlamps are turned on.
Daytime running lamps must be white or amber in colour. When purchasing daytime running lamps, it is your responsibility to ensure they meet approved standards and are designed for that specific purpose. If in doubt, consult a vehicle lighting retailer.
On the road
Daytime running lamps are normally designed so that they turn on automatically with the engine ignition, and turn off when the dipped or main beam headlamps are switched on. |
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