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汽车车速里程表是怎么构成的?

来源:http://www.jnrunao.com/ 日期:2021-10-27 发布人:runao
汽车仪表维修培训,车速里程表实际上由两个表组成。一个是车速表,另一个是里程表。传统的车速表是机械式的。典型的机械式里程表连接一根软轴.软轴内有一根钢丝缆。软轴另一端连接到变速器某一个齿轮上。齿轮旋转带动钢丝缆旋转.钢丝缆带动里程表罩圈内一块磁铁旋转。
Automobile instrument maintenance training, speedometer actually consists of two meters. One is a speedometer and the other is an odometer. The traditional speedometer is mechanical. A typical mechanical odometer is connected to a flexible shaft. There is a steel cable in the flexible shaft. The other end of the flexible shaft is connected to a gear of the transmission. The rotation of the gear drives the steel cable to rotate. The steel cable drives a magnet in the odometer cover ring to rotate.
罩圈与指针联接并通过游丝将指针置于零位。磁铁旋转速度的快慢引起磁力线大小的变化。平衡被打破指针因此被带动。这种车速里程表简单实用.被广泛用于大小型汽车上。不过.随着电子技术的发展。
The cover ring is connected with the pointer and sets the pointer to zero through the hairspring. The speed of magnet rotation causes the change of magnetic line of force. The balance is broken and the pointer is driven. This speedometer is simple and practical. It is widely used in large and small cars. However, with the development of electronic technology.
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现在很多轿车仪表已经使用电子车速表,常见的一种是从变速器上的速度传感器获取信号,通过脉冲频率的变化使指针偏转或者显示数字。
Now many car instruments have used electronic speedometer. The common one is to obtain the signal from the speed sensor on the transmission and deflect the pointer or display the number through the change of pulse frequency.
里程表是一种数字式仪表,它通过计数器鼓轮的传动齿轮与车速表传动轴上的蜗杆啮合,使计数器鼓轮转动。其特点是上一级鼓轮转一整圈。下一级鼓轮转1/10圈。同车速表一样,目前里程表也有电子式里程表,它从速度传感器获取里程信号。电子式里程表累积的里程数字存储在非易失性存储器内,在无电状下态数据也能保存
Odometer is a digital instrument, which makes the counter drum rotate by meshing the transmission gear of the counter drum with the worm on the transmission shaft of the speedometer. The utility model is characterized in that the upper drum rotates a whole circle. Turn the next drum 1 / 10 turn. Like the speedometer, the current odometer also has an electronic odometer, which obtains the mileage signal from the speed sensor. The mileage accumulated by the electronic odometer is stored in the nonvolatile memory, and the state data can also be saved without electricity
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汽车仪表维修培训,车速里程表实际上由两个表组成。一个是车速表,另一个是里程表。传统的车速表是机械式的。典型的机械式里程表连接一根软

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