液體電位計 的英文怎麼說
中文拼音 [yètǐdiànwèijì]
液體電位計
英文
liquid potentiometer- 液 : 名詞(液體) liquid; fluid; juice
- 體 : 體構詞成分。
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 液體 : liquid; liquor; fluid
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Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test
監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計; ( 4 )系統測試。Modbus transducer is the key device in the system and is used to offer power supply of pressure and temperature sensor, to collect signal, to linearizate and compensate temperature, to calculate density, volume and mass, to transmit data to modbus network, and display the data. so the modbus transducer is a multi - parament measurement, intelligent control device which can manage multi - signal
變送器是系統的核心設備,其作用是為油罐溫度、壓力、液位、可燃氣濃度等傳感器供電,採集傳感器信號並進行線性化、溫度補償等處理,完成密度、體積和質量等參數計算,將數據輸出到modbus現場總線測控網路,根據需要現場顯示計測量參數。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響應方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。A novel low mechanical hysteretic ceramic capacitive pressure transducer has been made, by using of ceramic sealing technology ; integrate circuit ( ic ) technology and thick film plane fixing circuit technology. this transducer is made of a deformable ceramic diaphragm and a ceramic base plate, between which has an air cavum. a coaxial gold electrode was fired onto the diaphragm and the base plate
本文利用新型陶瓷技術、集成電路技術和厚膜平面安裝電路技術,採用零力學滯后的陶瓷和陶瓷密封材料進行設計製造了一種非充液乾式的電容式壓力傳感器,該壓力傳感器由較厚的陶瓷基體和較薄的陶瓷膜片構成,中間形成一空氣介質腔,在基座和膜片之間內置同軸的雙電極,組成兩個電容,當膜片承受壓力時發生位移,使電容量產生變化,經後置處理電路直接轉換為可輸出的直流電壓信號。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻,對研配液壓機的工作原理及設計結構進行了簡介;對位置同步的控制方法進行了比較分析,提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案;在此基礎上著重對比例閥控非對稱缸建模,最後得到位置控制系統的總體數學模型,從理論上對同步系統動態特性進行了分析,並用pid控制器進行參數整定,減小雙缸同步誤差、提高系統的動態響應性能;其中控制性能的分析藉助于matlab軟體中的simulink工具箱,由已建立的數學模型形成模擬模型,得到可視化的模擬結果,從而利於交互方式下調整參數,了解不同的參數對系統的影響,優化同步系統的動態性能;在深入了解系統的動作特性后,對plc控制研配液壓機的原理進行了探討,針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃,編制出研配液壓機動作控製程序,在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。It is used to air condition, central heating, clinical thermometer, auto - electron, electronic calender
應用於空調設備、暖氣設備、電子體溫計、液位傳感、汽車電子、電子臺歷。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。And a kind of 16 - step automatic selective programmable amplifying circuit is designed in volume resistivity measuring circuit, so as to handle sampling little and broad signal. the control and disposal system with the core of microchip at89c55wd is analyzed on chapter 4. main function unit such as the interface circuit of lcd display and keyboard, the interface circuit of micro - printer, real time clock ds12c887, and hardware anti - jamming technique are discussed
本文還設計了以at89c55wd單片機為核心的控制處理系統的外圍介面電路及其軟體,對主要功能部分進行了分析,主要包括:鍵盤液晶顯示介面及界面設計、微型印表機介面、實時日歷時鐘晶元ds12c887 、單片機與單片機及單片機與上位機的通信設計以及控制系統硬體抗干擾措施等。With the existing condition, the bar waveguide on the lithium niobate wafer with liquid phase proton - exchanged method has been fabricated and the benzoic acid is used as the proton source. a series of research on the domain inversion in lithium niobate crystal with proton - exchanged method have been done. and then the operation and the process of domain inversion in lithium niobate crystal with proton - exchanged method has been used
實驗方面,利用實驗室現有條件,在鈮酸鋰晶片上以苯甲酸為質子源,用液相質子交換法製作了條形波導;對用質子交換法實現鈮酸鋰晶體疇反轉進行了一系列實驗研究,在此基礎上提出了質子交換法實現鈮酸鋰晶體疇反轉的工藝過程,實現了疇反轉並腐蝕得到了v型槽;設計製作了帶尾纖的電光相位調制器,最後進行封裝。The real - time fuzzy control respectively for the three - section electric furnace and three tank liquid level experiment equipment is carried out to show the effectiveness of the fuzzy controller designed by fcds, in the mean while realize integrately run with forcecontrol and kingact configuration software
通過對三溫區電加熱爐和三容液位控制實驗裝置的實時模糊控制,實現了利用fcds設計模糊控制器,並與「力控」 、 「組態王」組態軟體的集成運行。With a view to providing better service and facilities to the customers, this new mobile post office has adopted a new design and equipped with a tropical roof, a lcd monitor for displaying public notices, an electronic weight as well as a retractable canopy providing protection against sunlight and rain for customers in front of the counters
新流動郵政局設計新穎,除隔熱車頂、液晶體公告顯示屏、電子磅外,還附設伸縮檐篷,使櫃位前的顧客免受日曬雨淋之苦,務求為市民提供更周全的服務和設施。We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on
產品有溫度變送器(一體化溫度變送器模塊(雙支溫變模塊) 、一體化溫度變送器、導軌式隔離溫度變送器、壁掛式溫度變送器、架裝式溫度變送器) 、壓力變送器(擴散硅壓力變送器、藍寶石壓力變送器、濺射式(金屬薄膜)壓力變送器、應變式壓力變送器、陶瓷電阻、電容壓力變送器、 1151 、 3151系列壓力變送器) 、液位變送器模塊(專為液位計廠配套) 、配電器(單迴路、雙迴路) 、信號隔離器(單迴路、雙迴路) 、傳感器(溫度、壓力) 、配變送器的顯示表頭( 100刻度顯示、 lcd液晶顯示、 led數碼顯示) 、數字儀表等工業自動化儀器儀表。Petroleum chemical companies, and r d labs in various industries. our main business scope including : design and construction for new lab, alteration and upgrade of outmoded lab, update and development for lab in existence, production and installation for lab furniture system, design and construction for lab high - purity gas pipeline, design and construction for lab aeration system, laboratory exhaust gas waste residue treatment, laboratory wear material, chemic reagents, laboratory analytic apparatus, and lims laboratory information management system etc.
上海傲仕實業發展有限公司是一家專業從事實驗室系統工程的公司,多年來,我們一直致力於國內外科研單位大專院校醫藥石油化工電子等行業的實驗室建設公司涉及的主要業務范圍包括:新建實驗室的設計與施工陳舊實驗室的改造與升級現有實驗室的更新與拓展實驗室傢具系統的生產與安裝實驗室高純氣體管路的設計與施工實驗室通風系統的設計與施工實驗室廢氣廢液的處理實驗室耗材化學試劑實驗室儀器及實驗室信息管理系統lims等,公司擁有中高級工程師專家技術顧問設計師28名及專業的施工隊伍,從咨詢設計到施工為客戶提供一套完善的售前售後一站式服務體系,解決實驗室設計和施工當中因不同專業的而涉及到的各種問題( 3 ). put forward two structure scheme of opto - electronic deflection measurement sensor, light transmitting with non - mechanical scanning and light reflecting with non - mechanical scanning after compared exisiting methods of liquid level measurement to satify this needafter the comparison, an opto - electronic deflection measurement sensor based on light reflecting with non - mechanical scanning be confirmed. then the concrete design is to carry out, which includes the design of reflective surface, the design of pds ( photo detective subassembly ) ' s bracket, the design of floater and the design of shaking - absorbed accessory. during the process, there are a series of caculations and emulations. at last, the opto - electronic deflection measurement sensor has been designed and produced
比較了現有液位測量方法后提出了能夠滿足大佛寺長江大橋撓度測量要求的基於連通管的光電撓度計的非機械掃描光透射式和非機械掃描光反射式的兩種方案,通過比較確定了非機械掃描光反射式方案。隨后通過對該方案進行具體的零件設計,主要包括反射面的設計, pds (光電接收組件)支架的設計,浮子的設計以及減震零件的設計等等,在設計的過程中包含了一些理論計算和模擬,最終設計和製作了光電撓度計。Introduced development of a kind of bgo scintillator ray detector which used in the continuous metal cast crystallizer for fluid level measurement, the teat result of some electric circuit is also given
摘要介紹了一種在鋼鐵連鑄結晶器連續液位儀上使用的bgo閃爍體探測器電路的設計,並給出了信號處理電路的測試結果。Firstly, the current testing localization in the detection of electric bow is analyzed and the new system ' s whole construction developed in this thesis is introduced ; in the 2rd chapter, the embedded 110v dc power supply is analyzed and constructed, and with experiments, some dissonant results such as the fluctuation of output pwm ( pulse width modulation ) pulses, the power noise added to output voltage, and the drop of output voltage have been analyzed and the problems have been broken down one by one ; in chapter 3, stepping motor ' s drive has been systematically dissertated, and combing stepping motor ' s subdivided drive technology, the author develops an intelligent mini - step driving circuit using a main - sub microprocessor structure, which is validated in the hybrid stepper based system ; in the 4th chapter, liquid crystal driving and displaying technology is specified in detail, with one sort of lcd modules ( tlm12864h ), the author develops an feasible circuit for the new testing system, designs a menu mode based program struc ture and brings here some programming codes using franklin c51 programming language ; in chapter 5, the above built system is used in the electric bow ' s practical detection, and the differentiating rate of this system is analyzed
論文首先分析了目前機車受電弓檢修方式存在的局限並概述了本論文研製的受電弓測試系統的體系架構;第二章對系統內置110v直流控制電源進行了分析和設計,結合試驗對輸出pwm振蕩、輸出電源噪聲大、輸出電壓下跌等現象進行了分析並提出解決措施;第三章論述了步進電機的驅動,結合步進電機微步驅動技術研製了基於上下位單片機組的混合式步進電機智能驅動電路,並在試驗中得以驗證;第四章詳述了液晶驅動及顯示技術,利用一款液晶顯示模塊tlm12864h研製出本系統用液晶顯示電路,設計了菜單式的程序結構並以franklinc51編程方式給出部分子程序代碼;第五章則將以上構建的整個系統應用在機車受電弓的實測中,並對測試解析度進行了分析。This project is sponsored by the limited liability electric implement company of heifei sanyang rongshlda. it will be used to adapt to the product line to product the newtppe microwave oven, to pour glues for the around of the micro wave oven ’ s lumen and panel the paper introduce the hardware composing and the designing of this system, introduce this system ’ s work principle of the route about gas and glues, the principle of the measuring, the measuring principle of the glues ’ location and the temperature analyse the selection foundation of the step by step electric machine key words : the automatic mixing pouring machine of the two different glues, step by step electric machine, singlechip, miero - wave oven
本課題來源於合肥榮事達三洋電器有限責任公司,是為了適應即將投入生產的新型微波爐的生產線,實現對微波爐的內腔和面板四周自動灌膠的產品研發項目。本論文介紹了全自動二維灌膠系統的硬體組成及軟體設計,介紹了本系統的氣路、液路工作原理、計量原理、液位及溫度檢測原理,分析了步進電機選擇的依據,步進電機運動的控制及加減速運動規律。It produces a wide array of electronic calculators, pdas, quartz crystal, lcd and electronic watch movements at its production base in fujian, china
集團之生產設施位於中國福建省,生產一系列電子計算機個人數據助理pda石英晶體液晶顯示屏產品及電子表芯。With imported state - of art technology and equipment from japan and assured by iso 9001quality system, hebei jiya electronics co., ltd. specializes in designing and manufacturing various types of tn, htn, stn and fstn lcd panels and relevant smt, cob, tab and cog modules, ranging from segment, character, dot matrix to graphic type
河北冀雅電子有限公司採用從日本引進的具有世界先進水平的專業技術和生產設備,依靠業已通過iso9001認證的質量體系,專業設計生產各種標準或非標準欄位型、字元型、點陣型、圖形型tn 、 htn 、 stn 、 fstn液晶顯示器和cog 、 tab 、 cob 、 smt液晶顯示模塊等產品。Water - level meter is generally used in the automatic supervision and control system of water conservancy, rock oil, chemical industry, metallurgy, electric power etc. based on the abundant experience of domestic and abroad intelligent meters, the meter presented in the paper is designed via advanced microchip, which integrates the functions such as data collection and storage, display and remote communication and can be used in various fluid level and strobe opening scale measurements
水位計廣泛應用於水利、石油、化工、冶金、電力等領域的自動檢測和控制系統中。本文設計的智能水位計是吸收了國內外最新智能化儀表的設計經驗,採用工業控制單片機,集水位採集、存儲、顯示及遠程聯網於一體,適用於各種液位及閘門開度的測量。它具有高精度、高可靠性、多功能和智能化等特點。分享友人