查询词典 feedback circuit

The hot water feedway concludes sub control, keyboard circuit, display circuit, control driven circuit, signal amplifier, shaping circuit, A/D translation circuit, current switch S, temperature sensor W1, temperature sensor W2, temperature sensor W3, water-level sensor H1, electric control valve Y1, electric tee control valve Y2, electric control valve Y3, pump M and heater band.

本发明涉及一种电水箱，特别涉及一种不浪费热水管中存留的冷水直接为用户提供热水的电水箱热水直供装置，它包括微控制器、键盘电路、显示电路、控制驱动电路、信号放大、整形电路、A/D转换电路、水流开关S、温度传感器W1、温度传感器W2、温度传感器W3、水位传感器H1、电控阀Y1、三通电控阀Y2、电控阀Y3、水泵M和加热带。

The graduation design is based on single chip microcomputer intelligent design of a power source, hardware design is the main task of the circuit design, battery, the three groups of different size power design, system design, manostat ADC0809 adc design, display design, the watchdog circuit module design, 3-8 decoder circuit design, AT89C51 basic circuit design, 74LS161 prescaler design and auxiliary circuit design, Software design task is: initialize program design, and key process design, charge control program design, A/D conversion program design, over-current protection program design, display design program.

本次毕业设计注意是设计一个基于单片机的智能电源，硬件设计的主要任务是：蓄电池充电电路的设计、三组不同大小的电源设计、系统稳压电源设计、ADC0809模数转换电路设计、看门狗电路设计、显示模块设计、3-8译码电路设计、AT89C51基本工作电路设计、74LS161分频器设计和辅助电路设计；软件设计的任务是：初始化程序设计、按键程序设计、充放电控制程序设计、A/D转换程序设计、过流保护程序设计、显示程序设计。

First it analyses all-around design of the electronic computer-based interlocking system and each module then from introducing CAN bus it lucubrates design of the censorial module's software and hardware which is based on CAN bus of signal lamp's stimulant state then the hardware's circuit of the entire system's censorial module is made up of opsonic circuit collecting circuit microcontrolled circuitcircuit of communication interrupt circuit of overcurrenting and reset circuit.

首先对全电子计算机联锁系统的总体设计及各个执行模块进行全面的分析和研究，然后通过介绍 CAN总线技术，着重研究了基于 CAN总线的信号灯模拟状态监测模块的软硬件设计，其中整个系统监测模块的硬件电路主要由硬件调理电路、采集电路、微控制电路、通信电路、高过流中断电路、复位电路等部分组成。

In the hardware circuit of the inverter, the check and protection circuit is of same importance with contrary circuit, commutated circuit and wave filter circuit.

本文来自2003年第11期&经验交流&上，已经被阅读过2142次摘要：在变频器的硬件电路中，除逆变电路、整流、滤波电路之外，检测与保护电路同样是至关重要的。

In the hardware circuit of the inverter, the check and protection circuit is of same importance with contrary circuit, commutated circuit and wave filter circuit.

在变频器的硬件电路中，除逆变电路、整流、滤波电路之外，检测与保护电路同样是至关重要的。

The number of the frequency division of the method and the circuit structure thereof do not influence the highest frequency of the working circuit. The normal work of the frequency division circuit can be at a comparatively high clock frequency, and the clock frequency division can be realized in the manner of cascade connection of the frequency division circuit so that the scale of the circuit realization can be properly reduced.

本发明所述方法及其电路结构的分频数大小不影响电路工作的最高频率，可以使分频电路正常的工作在相对很高的时钟频率，而且可以通过分频电路级联的方式实现时钟分频，从而可以适当减小电路实现的规模。

Wire structure from the main wire feeder circuit, driver circuit, wire feed motor control circuit, the linear processing circuit and the brake circuit.

送丝结构由送丝主电路、驱动电路、送丝电机控制电路、线性处理电路和制动电路组成。

According to the machine apparatus and work capability of the three-fingered dexterous hand, The hardware circuit of the control system with 89C51 singlechip has been designed,which include the circuit of collection signals and the drive circuit of DC-motor, the circuit deal with signals of Force Sensing Resistors ,the communication interface circuit and so on.

依据三指灵巧手机械本体和工作性能，本文设计了基于89C51单片机的控制系统硬件电路，其中包括信号采集电路、电机驱动电路、力传感器的信号处理电路、通讯电路等。

Specialized introduction: This specialized raise has the electronic technology and the information system elementary knowledge, can be engaged in each kind of electronic installation and the information system research, the design, the manufacture, the application and the development higher project technology talented person Main curriculum: The signal and the system, the digital signal processing, the correspondence principle, the microcomputer principle and the connection technology, the monolithic integrated circuit principle and the application technology, the DSP technology and the application, the EDA technology, the construction of data, embedded Linux using the programming, the feeling measure technical, the electric circuit theory series curriculum, the computer technology series curriculum and so on individual hobby * software and hardware research and development computer correspondence literature ping pong photography The experience and the personal experience * 2006.6.29-7.8 compile the staff management system management system using the C language, its basic service activity includes: The staff information warehousing, the revision, the inquiry, the insertion, deletes the staff information and so on * 2006.7.10-7.20 monolithic integrated circuit curriculum design period completes the stopwatch the design, namely the initialization timer is 99:99, 0 starts using the monolithic integrated circuit timer fixed time, fixed time arrives when 0s to transmit the signal to cause the buzzer bell, and may realize suspends, the continuation and the replacement function * 2007.7.2- 7.8 practises in Luoyang Big dragon Peony Communication facility Limited company, does has liquid crystal display monitor telephone one, simultaneously visited has served under somebody's banner the correspondence company, and studied has simulated the telephone the design electric circuit, had understood its basic principle * 2007.7.4- 7.18 completed the DSP curriculum in the school to design, realizes the FIR numeral filter, namely transmitted 25 from DSPThe height level, after advocates AC01 D/A to transform the simulation square-wave, then passes to again from AC01 carries on A/D to transform, produces the data signal, after the DSP numeral filter, finally produces the sine wave * 2008.8.1-8.15 to practise in the Zhejiang Jiang hua abundant power tool limited company, studies the computer software and hardware maintenance.

专业介绍：本专业培养具备电子技术和信息系统的基础知识，能从事各类电子设备和信息系统的研究、设计、制造、应用和开发的高等工程技术人才主要课程：信号与系统、数字信号处理、通信原理、微机原理与接口技术、单片机原理与应用技术、DSP技术及应用、EDA技术、数据结构、嵌入式Linux应用编程、感测技术、电路理论系列课程、计算机技术系列课程等个人爱好＊软硬件研发计算机通信文学乒乓球摄影实践经验及个人经历＊ 2006.6.29-7.8 利用C语言编写员工管理系统，其基本业务活动包括：员工信息入库，修改、查询、插入、删除员工信息等＊ 2006.7.10-7.20 单片机课程设计期间完成秒表的设计，即初始化定时器为99：99，利用单片机定时器0开始定时，定时到0s时发送信号使蜂鸣器响铃，并可实现暂停、继续和复位功能＊ 2007.7.2- 7.8 在洛阳巨龙牡丹通信设备有限公司实习，做有液晶显示屏电话机一部，同时参观了旗下通信公司，并学习了模拟电话的设计电路，懂得了其基本原理＊ 2007.7.4- 7.18 在校完成DSP课程设计，实现FIR数字滤波，即从DSP发送25个高低电平，经主AC01 D/A 转换成模拟方波，然后再传给从AC01进行A/D转换，生成数据信号，经DSP数字滤波，最后生成正弦波＊ 2008.8.1-8.15 在浙江华丰电动工具有限公司实习，学习电脑软硬件维护。

Adopting multiplexing technique and making use of communication line between CSC and CS to achieve simultaneous transmission of ISDN signal and electric power. According to the variation of circuit equivalent resistance to design detection circuit, which can judge that the line is short circuit or open circuit and the commercial power is working normally or failure. When the reserve power supply is working, the system judges its operation status by voltage and current detection circuit. Making use of the characteristic of the gas discharge tube to achieve suspension system detection of power line touching. Transmitting information collected up to PC by RS485 for the purpose of centralized monitoring.

采用复用技术，利用基站控制器和基站间的通信线路实现ISDN信号和电力的共同传输；根据线路等效电阻的变化设计探测电路，来判断开路、短路、市电供电、市电停电等情况；在后备电源工作时，通过电压、电流采样电路判断电源的运行情况；利用气体放电管的特性实现悬浮系统动力线搭接的检测；采用RS-485通信方式将采集到的现场信息上传以实现集中监控。

But this is impossible, as long as it is engaging in a market economy, there are risks in any operation.

但是，这是不可能的，只要是搞市场经济，是有风险的任何行动。

We're on the same wavelength.

我们是同道中人。