有关自动称重配料系统的中英文翻译．Automatic batching and weighing system systemNow, along with the development of science and technology,Automatic batching and weighing system has been widely used in metallurgy, coal, chemicals, building material industry, etc.Automatic batching and weighing system can be set according to theinput ratio and flow control of material flow, thereby achieve controlof product quality and yield of the objective is to realize the automatic production process, and intelligent, enterprise'sscientific management, safe and stable production and energy consumption is the important technical means. Computer control systemin the production of ingredients used not only can improve the yield and quality ingredients and greatly reduce the labor intensity, andpost to improve production efficiency.Belt batching system is a continuoustotalizing automatic weighing instrument. Ithas played a critical role in coal,chemicalindustry, metallurgy, building materials, foodand other sectors that are crucial to nationaleconomy and people's livelihood. The cumulative control of some mixed materials batching isrealized by batching scale. This accuratecontrol can cut down the cost of cumulative manufacture, improve the quality of theproduct and enhance theefficiency of labor.Automatic batching and weighing system is a kind of integratingtransportation, measuring, mixing in an online automatic weighing more or consists of one system apparatus measured dynamic. This ingredients belt scales, can show not only transient flow and total the value of amount of conveyor belt, can also according to theflow, the feed to adjust instantaneous flow deviation to to the size of flow and achieve constant constitute a closer setting control system, production, of industrial of purpose. Along with the rapid development electronic belt scale increasing demand of burdening system, wasfood industry, in widely applied a pan of metallurgy, power, chemical industry etc of process control. At the same time, along with the control of technology and the rapid development the automatic computer technology, the system application technology more advanced, more extensive, field can take the scheme is more agile diversity, and, due to the system often costly, users of the actual conditions are also different. Therefore, careful, choose a reasonable, perfect, economic solution appears especially importantof of the belt scales ingredients consists mainly The structures scale, speed sensor, mountings, weighing transducer transmission drag, conveyors, roller, conveyor belt active roller, drivenbelt scattered in conveyor adjusting devices, equipment etc. When the speed the the scale body through the material on weighing scale body, pulse and the weight of millivolt belt speed sensor sensor and signal signal through the junction box to strap balance meter.The overall design philosophy of the Automatic batching andinto belt conveyer put is Before of weighing system the belt is: the operation, the settlement value of the flow of the supplies isbelt. carry on the attenbant the established on keyboard by the to After the system is put into normal running, loading signal of the belt that the one-chip computer samples and the speed signal leaves,length unit of and walk belt speed signal belt instantaneous weight, of an eye flow F of supplies is it can calculate out belt twinkling to multiply (t) . The flow can be in charge of the number and show, offer the craft data to attenbant to consult in the twinkling ofan eye. 8031 systems and then compare the actual value of the flow amount out establishing value, calculate controlling instead of the electric then change into the operation, vi after PID regulates and current and output the signal, and then enlarged and controlled leading the open angle of silicon controlled rectifier, realize regulating the function of the electricity electromechanical difference, magnetism clutch excitation electric current of slippery thus regulate the rotational speed of the slippery differenceelectrical machinery of executive body, enable transporting theflow of supplies on belts to stabilize in the adjacent place of settlement value as much as possible, have a good static index and dynamic performance.in applied system is widely Automatic batching and weighingall areas. in social life industrial and agricultural production and often industries, chemicals, cement Especially the metallurgy, coal, continuous conveyor, and dynamic process of belt need to spread in the weigh on conveying the flow adjustment and control, accurate ratio. the to ingredients directly relates quality The control ofenterprise can produce smoothly. If the quality of compound reach while materials, energy, raw requirements, causing a waste of influence the quality of the products and productivity, and some ofof production ingredients the for the important the position ofand high precision accident. mistakes even a Therefore, the manufacturingwhole quickly and ingredients ingredients how therestricts the product quality and yield response, so the quality and yield of compounding process control give enough attention.Electronic says automatic batching system can be set according to the input ratio and flow control of material flow, thereby achieve controlof product quality and yield of the objective is to realize the automatic production process, and intelligent, enterprise'sscientific management, safe and stable production and energy consumption is the important technical means. Computer control system in the production of ingredients used not only can improve the yield and quality ingredients and greatly reduce the labor intensity, and post to improve production efficiency.Because the system of production lines, with the same ingredientsand composed of daytime belt says system for example. This system mainly consists of ingredients, instrument, electronic control frequency, industrial control computer cabinet, and monitoring and management software.1) ingredients electronic saidIngredients of electronic belt says the bulk materials throughbelt of automatic weighing and continuous accumulated, transportation and measuring two functions. Weighing part adopts resistance strain working principle, structure, roller leveraged practical work, belt constant velocity measurement called by feeding speed regulating superior to change the material flow, this type of enterprises with more than say for production process control.2) meter controllerInstrumentation control including daytime belt says, eachinstrument meter from receiving belt says the weight of the weighing transducer speed sensor signal and the changes of the belt speed pulse signal, calculate flow and accumulation. And will flow signals in 4-20ma simulation current form, work-managing machine will flow for industrial computer signals and machine after comparison, accordingto a certain value of output control rule 4-20 ma adjusting control signal, feeder, forming a single speed closed-loop control certainmaterial flow, achieve the goal.3) inverter arkArk of the converter, the dynamic control switch from higherfeeding motor control signalsThe rev. Stop, simultaneously also accept four ^ frompolymerizing-kettle - 20 ma adjustment, to change the output signal Power supply of frequency, and control site 7 feeder speed. Ifthe inverter power,To configure the cooling fan, to ensure the converter can work normally.4) industrial control computer and softwareHuaShuo use polymerizing-kettle IPC - 610 # 14 industrial PCchassis frame 6179L length, configuration PCA - 512M memory and CPU card, with 80G hard disk, a PCL - 746 + 4 ports RS232 \ \ 485 communication interface card 422, 2-4 1720U type PCI simulation output channel segregation, work-managing machine as PC, through two-way communication interface RS485 with belt says, through RS232 instrument online communication interface with dynamic two-way the PLC control, analog output online control signal control feeding machine to flow, which constitute a complete system of the ingredients. Other vital industrial computer interface RS485 two-way communication, to prepare for and plant upper polymerizing-kettle communication.The main functions are monitoring software, according to the production of formula and yield target weighing process of automatic control, statistic data management and weighing achieve print. Systemsoftware has a variety of on-site control mode and the input, a formula of adapting to different engineering requirements, users can set alarm print time parameters, use the menu interface, easy to use, users can through the mouse or keyboard operate on the ingredients, control andmanagement system.The main components of the control system are belt scales, programmable controller, communication system design and monitoring software modules etc, electronic belt says the structure and working principle of below a specific instructions are not here, programmable controller using OMROM company CQM1H type module type programmable controller, configuration CQM1H - CPU21 - E type CPU module, PA203 CQM1 - power module, four CQM1-212 type 16 points I/O input module,2-16 points OC222 CQM1 type of I/O output module, the system module points total 112. Each electronic belt says about the input signalis PLC belt running deviation switch alarm signal, belt skid alarm input, alarm, main belt running and site operation dish central/site selection, on-site control control feeding machine and belt conveyor start/stop, central control feeding machine and belt conveyor and stop signal, each electronic belt says about PLC output signal a belt running deviation indicator lights, startup, belt skid feeder, start signal of belt conveyor.Communication system design choices as PC software platform VB6.0by use Basic6.0 Visual, with its friendly interface, easy to use, develop strong practicability etc, are widely used in both at homeand abroad.Monitoring software module of the software is based on Windows2000, operating system, and Basic6.0 Visual programming language, make Access2000 database management. Mainly used for system operation module which enter or exit site control condition, operating,establish initialization, a new production tasks, keep theingredients of the project, the next after each parameter can be automatically boot, enter the project, in order to prevent general people literally, set up the start-up system login] function.Statements management module function is the first enter inquires, the operator can pages of all channels of historical data and browse ingredients, inquires according to the passage, when the date and time, divisions, data ingredients generate reports and print.On-site control module mainly used for setting engineering parameters, monitor and control field ingredients.Setting module for setting the initialization parameteringredients and engineering. Namely, the time, the production ofNumbers, initial placement, automatic reset manually/cumulative class, single/completion and other parameters said belt.The structures of the belt scales ingredients consists mainly of transmission mountings, weighing transducer speed sensor, scale, active roller, driven roller, conveyor belt conveyors, drag,adjusting devices, equipment etc. When the scattered in conveyor belt scale body through the material on the weighing scale body, the speed sensor and sensor signal and the weight of millivolt belt speed pulse signal through the junction box to strap balance meter [3]By feeding equipment materials to electronic belt scales, saysthe speed sensor weighing sensors and weighing and speed signal sent to weigh instrument meter, weighing the instantaneous flow conveying materials, accumulation, at the same time, the data such as measuring the measured value and value deviation, through the inverter to adjust the speed of the motor drive belt scales, make accurate to user setting to flow, material flow to a constant.For electronic belt scales, can choose just qualitative s-type weighing transducer. The connection mode using joint bearings,tensile condition in the lateral force, the ability, can be installed on the seal, compact structure, within the beam.The system is composedof a platform characteristic of a machine to control the multiple feeder, in order to achieve certain proportion between each feeder, the work is connected, and give a quantitative as current ratio, so its modified control structure is more complex.自动称重配料系统目前，随着科学技术的不断发展，自动称重配料系统已经广泛应用于冶[1]。