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数字显示技术,是一门新颖的电子技术学科,近年来在我国得到了迅速的发展。数显技术已经广泛地应用于机械、航空、造船、汽车、钢铁、化工、电力等部门。目前,已经制成了各种类型的数字显示装置,如数字电压表、数字功率表、数字频率表、数字温度表等等。它们把模拟量变为数字量,通过一套电子计算器线路,由显示器直接显示参量的变化。数字显示装置的优点,越来越被人们所认识、掌握,已成为深受欢迎的一种新型的电测装置。机械加工中应用的数显装置种类很多,就我们厂来说,就采用了感应同步器数显装置、磁栅数显装置、光电脉冲数显装置以及大直径测量数显装置(简称大直径仪)等。从1974年以来,我们在有关单位的协助下,先后在镗床、卧车、立车、电脉冲机床、滚齿机等16台大型机床上安装了各种数显装置,取得了良好的效果。现在简单地把几种不同类型的数显装置的原理说明如下。
Digital display technology, is a novel electronic technology disciplines, in recent years in China has been rapid development. Digital display technology has been widely used in machinery, aviation, shipbuilding, automotive, steel, chemicals, power and other departments. At present, various types of digital display devices have been made, such as digital voltmeters, digital power meters, digital frequency meters, digital thermometers, and the like. They convert analog to digital and display the change in the parameters directly from the display through an electronic calculator circuit. The advantages of digital display device, more and more people know, grasp, has become a popular new type of electrical measurement device. The number of digital display device used in machining a lot, in our plant, it uses the induction synchronizer digital display device, magnetic grid digital display device, photoelectric pulse digital display device and large diameter measuring digital display device )Wait. Since 1974, we have installed various digital display devices on 16 large machine tools such as boring machine, sleeper car, vertical lathe, electric pulse machine tool and hobbing machine with the help of the relevant units and achieved good results. Now briefly explain the principle of several different types of digital display device as follows.