電測壓計 的英文怎麼說
中文拼音 [diàncèyājì]
電測壓計
英文
electric manometer-
Our factory mainly manufactures hydraulicfllfers, filter oil vehicles, hydraulic air cleaner, liquidlevel gage and liquid thermometer, liquid level control relay, switch of manometer, combined sealing washer, piezometer soft tebe assembly, andso on. we also carry on all kinds of non - standard, and bring in filters, air cleaner, liquid - level gage and liquid thermometer and complete set of design and manufacture of hydraulic system
本廠主要生產各類液壓過濾器、濾油車、液壓空氣濾清器、液位液溫計、液位控制繼電器、壓力表開關、組合密封墊圈、測壓軟管總成、塑料管夾等產品，還承接各類非標、引進過濾器、空氣濾清器、液位溫計及成套液壓系統設計與製造。The principle of piezoelectric modal sensor is introduced and the formulas of calculating modal respondence by measured piezoelectric outputs are gained
介紹了壓電模態傳感器的實現原理， ?給出了由實測壓電單元輸出得到結構模態響應的計算公式。Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析，電力電纜的故障定位與局放檢測，變壓器電抗器的各種測試診斷與溫度監測， sf6的水分測量與回收，絕緣油的測試分析與濾油處理，紅外測溫與光纖在線測溫，以及各種電阻測試與計量，溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced
在探頭的設計中，詳細介紹了前置對數放大器電路設計，在對數放大器加入了溫度補償電路和抗干擾電路，以保證測量精度和較大的量程，最後信號經電壓電流的轉換，得到4 - 20ma的標準信號作為探頭的輸出信號，進行遠傳。Linear induction motor is an important kind of machines which have some merits such as simple structure, low cost, durability, convenience for maintenance etc. the subject of this thesis is to study a big circular ring linear induction motor, and the major works in this thesis are summarized as follows : ( 1 ) considering the effects of the finite length of primary core, one - dimension analytical solution for the air gap field is cited in this paper. based on it, the single layer winding magnetic field is studied. considering whole - pitched and short - pitched winding configuration with odd poles and half - fulled slots in both ends, the double - layer winding magnetic field is analyzed, respectively
本文對大圓環直線感應電機進行了深入細致研究，內容包括： （ 1 ）本文採用有限長行波面電流作用於有限長鐵芯上的模型，引用了氣隙磁場一維解，研究了單層繞組磁場，奇數極半填槽雙層繞組在採用整距和短距時磁場的分析、比較，簡單介紹了二維解； （ 2 ）用有限元軟體ansoft對大圓環直線感應電機空載氣隙磁場進行了靜態分析，並分析了結果； （ 3 ）用軟體進行了額定電壓下的瞬態分析，得到了轉矩，位移，轉速隨時間變化曲線圖，利用單極性霍爾元件測定轉速並與軟體計算結果進行了比較，採用等效電路法計算了堵轉時的最大電磁力並做實驗進行了驗證，由實驗測得了三相電流波形，並與計算結果進行了比較，對其不對稱性進行了定性分析。Finally, the prototype of closed - loop control system of mc has been designed. a seris of experiments have been made, and the results show that the closed - loop control of mc presented here is correct. also, the mc closed - loop systems based on the method can be applied to the variable frequency power supplies
最後，製作了輸出電壓有效值控制矩陣變換器閉環系統的原理樣機，進行了一系列實驗測試，結果表明採用雙空間矢量策略矩陣變換器實現輸出電壓有效值閉環控制是正確有效的，輸出電壓有效值控制矩陣變換器閉環系統作為變頻電源設計也是切實可行的。Specification for calculation of protecting distance for ac high voltage overhead power transmission lines to shortwave radio direction finding stations and receiving stations
交流高壓架空送電線對短波無線電測向臺站和收信臺站保護間距的計算規程If the potentiometer under test has its own internal voltage reference and power supply, these will be used, unless they are found to be unstable. generally, the calibration procedure recommended in the manufacturer s service manual will be followed
若接受測試的電位差計附有內部電壓標準及電力供應設備，在測量過程中，除非此等電壓標準及電力供應被發現並不穩定，否則將盡量被使用。The device can protect start - up status and running status of asynchronous motors by differential protection, over current protection, negative - sequence current protection, zero - sequence current protection, inverse time current protection, under - voltage protection and so on, can measure every kind of electricity, and can process the function of telecontrol, telemetering and telecommunication
其依靠電流差動、速斷、負序過流、反時限、零序過流和低電壓等保護方法實現了片電動機的運行、啟動和自啟動過程進行保護，並實現各種電量的計量，同時具有遙控、遙測、遙信的功能。Design and implement of the measure circuit of modulator impulse voltage and current
調制器脈沖電壓電流測量電路設計Comparison study on blood pressure measurement and home blood pressure measurement with electronic blood pressure monitor
診室偶測血壓與自動電子血壓計自測血壓指導高血壓治療的對比研究With the rapid development of eletronics and computer technology, no invasion blood pressure instrument based on oscillometric method begin to come out
隨著電子與計算機技術的飛速發展，基於測振法的無創血壓儀相繼問世。According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。To set up reasonable designing and manufacturing techniques and accurate calibration system and to speed up forming the native pvdf pressure sensors is the direction of this project. first, based on the piezoelectric theorem, the theoretic support of pvdf pressure sensors is deduced. according to purposes of practical projects, special purpose sensor configurations are designed and the corresponding calibration system based on shpb ( split hopkinson pressure bar ) technique is built in succession
本文從壓電材料的一般壓電控制方程開始，導出了pvdf壓電薄膜測壓技術的相關論據；根據測試目的以及被測結構的特點，設計了多種夾心式的傳感器構造形式；摸索出了一套基於國產pvdf壓電薄膜製作壓力計的加工、安裝工藝；建立了一套基於系統集成技術的多點pvdf壓力測試的數據採集、處理系統；建立了一套基於shpb技術、適用於實際工程應力范圍的pvdf壓力計的動態標定方法，並對兩種厚度的國產pvdf壓電薄膜進行了標定。Failures in starring circuit of model wy1. 5 hydraulic excavator are tested and analyzed. potential defects in circuit design are found out. some simple and feasible countermeasures of improvement are suggested
摘要對wy1 . 5型液壓挖掘機的啟動電路的故障進行了檢測和原因分析，找到了電路設計中潛在的缺陷，並提出了簡單易行的改進措施。This paper describes a computer telecontrol and telemetering system which main purpose is to realize automatic monitor of pressure of powered supports in fully mechanized coal face. this monitoring system is composed of underground part and ground part. the ground part includes a computer, a printer and a ground receiving mainframe. the underground part includes electric source, a communication extension, some pressure extensions and sensors
本文論述一種旨在實現綜采工作面液壓支架壓力自動監測的計算機遙控遙測系統。該監測系統由井上和井下兩部分組成。井上部分包括計算機、印表機、繪圖儀、地面接收主機等；井下部分包括電源、通訊分機、壓力分機和傳感器等。We give three installing schemes in the measuring hydraulic cylinder in the fourth chart and analyse thire merits and shortcomings. we discuss the possibility of measuring grinding wheel diameter by ultrasonic wave we give the full electric circuit schemes, including emitting and receiving circuit, measuring temperature circuit, displaying circuit, regulated power supply, a / d converter circuit and so on
給出一種新的計時方法。同時我們還討論了利用超聲測量鋼坯磨床中砂輪直徑的可能性。在本文中，還給出了完整的電路設計方案，包括:發射接收電路、溫度測量電路、顯示電路、穩壓電源電路、 a / d轉換電路等。Based on the experiment of nimh battery, investigations on characteristics of discharging and charging of nimh battery, and analysis of influencing factor of nimh battery, an approach of ah ? coe ? ocu has been carried out to estimate an accurate surplus energy and state of charge of nimh batteries, and consider the compensation of the temperature, aging and self - discharging etc. after theoretic analysis has been completed, simulations are given to determine parameters of batteries for changan hev
本文在蓄電池試驗的基礎上，分析和研究ni - mh蓄電池充放電特性及其影響因素，建立了電池內阻、電動勢模型，提出了安時?能量守恆?開路電壓演算法（ ah ? coe ? ocu法）預測蓄電池的剩餘能量和荷電狀態計算方法，並進行溫度、循環使用壽命、自放電等補償，從而建立了蓄電池的充放電模型。The hardware circuit design include : industrial control computer configuration, selection of industrial control board type, design of the power supply and monitoring interface circuit, design of signal processing interface circuit ( the constant current source circuit, the time base signal processing circuit, the processing circuit for the signal to be measured ), design of panel control circuit, design of the system self - checking circuit, and etc. the program flow hart include : main program flow chart, system boot - strap self - checking program flow chart, manual static testing program flow chart, semiautomatic static testing program flow chart, automatic static testing program flow chart, dynamic testing program flow chart, transient testing program flow chart, source voltage and current monitor program flow chart, investigate function testing program flow chart, and etc. the measure system offers six working power supplies, the signal of time base, the signal of constant current source, sine wave signal and step to leap signal, and measures the frequency of the output pulse signal of the wide range pulse convert circuit accurately under three kinds of different test state ( static form, dynamic form and transient form )
硬體電路設計包括：工控機配置、工控板卡選型、產品電源及監控介面電路設計、信號處理介面電路（恆流源電路、時基信號處理電路、被測信號處理電路）設計、面板控制電路設計、系統自檢電路設計等。程序流程圖包括：主程序流程圖、系統開機自檢程序流程圖、手動靜態測試程序流程圖、半自動靜態測試程序流程圖、自動靜態測試程序流程圖、動態測試程序流程圖、暫態測試程序流程圖、電源電壓和電流監控程序流程圖、研究功能測試程序流程圖等。測試系統提供六路工作電源、時基信號、恆流源信號、正弦波信號和階躍信號，並對三種不同測試狀態（靜態、動態、暫態）下大量程脈沖變換電路輸出脈沖信號的頻率進行精確測量。It is an effective way to solve this problem by combining piezoelectric quartz crystal sensor array with chemometrics. however, there were few reports in designing electric circuit, which would influence the response due to mutually interfering between oscillators. so, it is necessary to design a vibration circuit and develop it into small and convenient instrumentation to overcome this limitation
另一方面，單一的具有選擇性的傳感器在實際多組分氣體的檢測中受到限制，而採用壓電石英傳感器陣列再結合化學計量學手段進行數據處理卻是解決這個問題的一個有效途徑，然而在它的電路設計方面，由於共振電路間的相互影響，使檢測受到很大幹擾，因此設計一個相互無干擾的起振裝置來解決這個問題是十分有必要的。分享友人