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本节主要介绍速度、距离、转向、油耗等(光敏)传感器的原理与设计。 1 汽车速度、距离传感器原理与设计 汽车速度传感器可分为接触式和非接触式两大类。非接触式将在下一讲介绍。目前我国绝大部分汽车上的速度表都是以汽车轮胎的旋转速度变换成汽车前进速度进行测速的。这在汽车制动、打滑的情况下,轮胎因新旧、汽压高低造成其外圆周
This section mainly introduces the principle and design of speed, distance, steering, fuel consumption (photosensitive) sensor. A car speed, distance sensor principle and design Car speed sensor can be divided into contact and non-contact two categories. Non-contact will be introduced in the next talk. At present, most of our country’s speedometer on the car is based on the rotational speed of the car tires into the car forward speed for speed. This in the car brake, slippery circumstances, the tire due to old and new, the pressure caused by the level of its outer circumference