电度表

Product application areas throughout: computers and peripherals, home appliances, sensor sanitary ware, instruments, toys, industrial automation, CD, VCD, DVD, MP3, VOD, Disman, TV, air-conditioning control panel, fan control panel, satellite receiver, Electronic watt-hour meter, hand dryers, power amplifier, audio, toys, printers, repetition, fax machines, cell phones, switching power supply, automatic test equipment and so on.

产品应用领域遍及：电脑及周边设备、家电产品、感应洁具、仪表、玩具、工业自动化、CD、VCD、DVD、MP3、VOD、Disman、TV、空调控制板、风扇控制板、卫星接收机、电子电度表、干手机、功放、音响、玩具、打印机、复读机、传真机、手机、开关电源、全自动检测设备等等。

The paper introduces a digital electricity meter based on chip microcomputer AT89C52, which can realize network remote reading.

介绍了一种以单片机 AT89C5 2为基础的可实现计算机网络远程抄表的数字电度表，该表采用电力载波通信方式，是一种新型的电功率计。

At first, this paper summarizes the developing history and the present state of energy meter and automatic meter reading system, and introduces the basic theory of energy measurement.

本文首先综述了电度表的发展和自动抄表系统的现状，并介绍了电能测量的基本原理，重点对∑-ΔA/D转换原理进行了分析。

Controls by the monolithic integrated circuit programming and is connected the electrical energy table which the chip combination becomes to be able to make up the mechanical induction electric meter to consume the electricity to be many, unwieldy, needs to copy the table manually, guards against steals the electricity performance low status shortcoming to indicate after the test, this system is simple, the ease of operation, the cost is low.

由单片机编程控制和相关芯片组合而成的电能表能弥补机械式感应电度表耗电多，笨重，需要手工抄表，防窃电性能低等缺点经测试表明，该系统简单，操作方便，成本低。

The most common measuring and testing instruments are voltage testers, voltmeter, ammeter, ohmmeters, continuity testers, megohmmeters, wattmeters, and watt-hour meters.

最常用的测量和检验仪器有电压测试仪，电压表，电流表，欧姆表，短路测试仪，兆欧表，功率表和电度表。

The company is specialized in the production of more than 3,000 models and types in over 20 series of various complete sets of high and low-voltage switching devices, cabinet type substations, bus ducts, switchboard frameworks and a great variety of watt-hour meters.

主要生产35KV以下各类高低压成套开关设备，箱式变电站、母线槽、桥架和各类电度表等20多个系列，3000多种规格的产品。现有员工400余名，其中工程技术人员近百名。2003年实现工业总产值3.5亿，企业资产总额2.1亿元，综合实力位居全国同行业前列。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。