电梯语音报站器外文翻译.doc

河南科技学院新科学院 2012届本科毕业论文 中英文翻译 学生姓名： 所在院系： 所学专业： 导师姓名： 完成时间： 2012年5月10日 Based on single-chip microcomputer control elevator voice station reporting device Key words: SCM ISD4004voice station reporting device 1 Introduction The modern building scale is larger and larger, more and more high on the floor, the elevator technical and quality requirements are also getting higher and higher. Modern elevator technology has been towards faster, more stable, more secure, more humane direction of rapid development. Elevator voice station reporting device is the embodiment of the humanized design of a specific performance. The elevator will be reported by voice or has reached the floor information, the running state of the elevator, welcome speech and music, can avoid wrong elevator passengers or floor, elimination of people take the elevator to the loneliness. 2 hardware circuit design The system consists of signal acquisition and isolating circuit, SCM and its peripheral circuit, a speech chip circuit composed of three parts. The elevator floor after signal acquisition isolation after treatment sent to single-chip, single-chip analysis, judgment, extract the effective information, and then by processing output signals to control a speech chip circuit real-time broadcast. A 2.1 signal acquisition and separation circuit The newspaper station implement work needs to collect some relevant information to the operation of the elevator, elevator security requires additional system on elevator does not generate interference, the signal acquisition and isolation work is very important. The system used the elevator control panel on each floor button, elevator flat-layer signal and switch signal, as shown in table 1: Table 1the elevator control signal Considering the signal voltage levels is not a, for the collection of signals required by different treatment. Experiments show that, when the collection circuit i