液位感測器 的英文怎麼說
中文拼音 [yèwèigǎncèqì]
液位感測器
英文
level switch controller- 液 : 名詞(液體) liquid; fluid; juice
- 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...
- 感 : Ⅰ動詞1 (覺得) feel; sense 2 (懷有謝意) be grateful; be obliged; appreciate 3 (感動) move; t...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 感測器 : space-energy field attraction sensors
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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。Pressure sensors special for submersible measurement
投入式液位測量壓力傳感器Summarize : multi - input, can be used cooperate with various sensors / transducers, measure 、 display and alarm control the physical quantities such as temperature 、 humidity 、 liquid level and flux # 118alues and transform them to export, can read and write all parameters via the computer through serial communication, besides it can offer 24vdc power supply for 2 - wire transducers, four - bit led displaying, the multi - segment curve correcting function is selectable, one meter can equip four alarm relay outputs 、 one transform ( or communication ) output and one equipped power supply outputs
萬能輸入,可與各類傳感器、變送器配合使用,實現溫度、濕度、壓力、液位、流量等物理量的測量、顯示、報警控制和變送輸出;通過串列通信口,可在上位計算機中實現全部儀表參數的讀寫;還可為兩線制變送器提供24vdc電源; 4位高亮度led數字顯示;對輸入信號有多段折線修正功能可選;一臺儀表最多可配4個報警繼電器輸出、一路變送(或通信)輸出和一路配電輸出。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。Aimed at the present status of detecting oil storage fluid, the article advances a method which utilizes the dramatic feature of optical fiber sensor to develop the optical fiber liquid height meter, and to substitute the manual examination means, and supplements the optical fiber liquid overhead alarm equipment, the optical fiber grating temperature sensor, and uses the network technique to build the optical fiber sensing safety supervisory system to realize the intelligent examination of oil - tank area, thereby avoids or decreases occurrence and the risk of accident, and supplies the reliable guarantee for the big - and - middle - sized tank farm safe production
本文針對儲油液位的檢測現狀,提出利用光纖傳感器的特點研製光纖液位計,取代手工檢測的方法,輔以光纖液位高位報警器,光纖溫度傳感器,並應用網路技術構建光纖傳感安全監測系統,實現石油罐區的智能監測,從而避免或減少事故的發生,降低風險,為大中型油庫的安全生產管理提供可靠的保障。本文首先對安全監測系統中的核心硬體? ?光纖液位計的工作原理及特點進行了介紹。In this paper, an intelligent acidity meter is designed which takes glass electrode as its sensor and measures acidity of solution through potentiometry
論文設計了一臺智能酸堿濃度測試儀,選用玻璃電極作傳感器採用電位法測量溶液酸堿濃度。In this paper, an oil tank monitoring system that consists of the optical fiber liquid level meter, optical fiber grating temperature sensor and optical fiber overhead alarm equipment is formed through the optical fiber technology
本文利用光纖傳感技術研製的光纖液位計,光纖光柵溫度傳感器,光纖液位高位報警器組成油罐區監測系統,使得現場完全避免電信號,安全得到可靠保障。So it could be used for level control and measurement of flammable and explosive oil and other chemical liquids, specially for the precise measurement of liquid level in small tanks
該傳感器可廣泛應用於石油化工系統的多種液體的液位控制和測量,特別適用於小型容器的液位精確計量。Fiber optic liquid surface level sensors
光纖液位感測器Pb8200 series silicon presure transmitters use the sensor elements wih high accuracy, stability and reliability and measure the pressure of the liquid or gas or the level of the liquid, then change into 420ma electric signal
Pb8200系列擴散硅式壓力變送器選用了高精度高穩定性和高可靠性的擴散硅壓力傳感器,外形小巧,主要用於測量液體氣體的壓力及各種液體的液位,並把壓力信號轉換成420ma或15v等電信號,是一種現場遠傳壓力測量儀表。This paper describes a novel fiber - optic level sensor designed to measure the level of benzene, diesel oil or other chemical liquid discretely or continuously
本文提出了一種新型的高精度光纖液位傳感器,能夠實現對苯、汽油、柴油等石油化工材料的定點測量和連續測量。At present the main product includes : the resistance should the variant, the proliferation silicon, the ceramics and so on three big kind of high temperatures, center warm, the normal temperature table press, certainly press, sensor and so on negative pressure, fluid position, difference pressure, current capacity, name is heavy, measures strength, torque, displacement, temperature / changes delivering and the necessary control measuring appliance
目前主要產品有:電阻應變式、擴散硅、陶瓷等三大類的高溫、中溫、常溫的表壓、絕壓、負壓、液位、差壓、流量、稱重、測力、扭矩、位移、溫度等傳感器/變送器和配套控制儀表。Therefore, making use of the integrate principle of mechanism, electronics, optics, liquid, researchers have designed a suit of feasible control scheme
利用力學知識和傳感器原理設計了液位傳感部分,對待測的液位信號進行了有效的感應測量。2. the particular water level - controlling circuits and sensor circuits in the patrolling point can monitor the change of water level and the vibration of apparatus in order to inform managers in time. at the same time if the change is n ' t within normal range, the alarming circuit can send the message. 3
2 、在巡檢點中設置了獨特的液位監控電路和傳感器電路以便及時監測水位變化和水輪機組振動情況,將變化數據快速通知管理者,若變化在規定范圍之外,巡檢儀中的報警電路將及時報警。To meet this request, we develop the process control experimental system. it use all kinds of sensors to obtain the value of pressure, liquid location, temperature, flow ? four kinds of basic physical quantities, etc. and through the intelligent meters, data collecting circuit, it sends the measuring signal to the computer, then realize the functions such as fictitious showing, data processing and real - time control by industrial configuration software
為滿足這一要求,我們研製開發過程式控制制實驗系統,它採用各類傳感器,獲取壓力、液位、溫度、流量等四種基本物理量,並通過智能儀表、數據採集卡,將測量信號轉送到計算機,再利用工控組態軟體完成虛擬顯示、數據處理和實時控制等功能。2. the consistence of reaction of dual channels sensor to the bio - reaction was measured with two indexes : phase and frequency
2 .分別以相位、頻率兩個指標檢測傳感器液相檢測反應的一致性。Measuring water by three different ways that are pressure sensor, resistance transducer, intellective rotary encoder. 2
採用壓力液位傳感器、電阻傳感器、智能旋轉式編碼器等三種不同的測量方式對水位、閘位進行測量。The liquid - level measuring instrument based on divided - into - segments capacitor sensor just satisfies this kind of need
基於分段式電容傳感器的液位測量儀恰恰能夠滿足這種需求。The main purpose of this research on the chinese medicine diagnosis by feeling the pulse is to replace the doctor s fingers with a pulse detecting device to examine the pulse wave, which is converted into digital signal s and fed into a computer system through the usb interface. the viscosity of blood is distinguished whether the amount is normal or not by examining the pulse wave via the computer analysis
本研究的主要目的是將中醫脈診的方式電腦化,即利用脈搏感測器取代手指量測脈搏波形,再將它換成數位信號,並透過usb介面傳入電腦,經運算分析辨識后,顯示量測脈搏波形的血液黏度是否正常。Owing to all - fiber - based system and the needle type of single fiber sensor head, it has many merits such as immunity to electromagnetic interference, simple structure, high measurement precision, high sensitivity and low drift
該傳感器系統採用針式單光纖結構的傳感頭,使得系統具有結構簡單、高精度、高靈敏度、無漂移等優點,其液位測量精度可達0 . 5mm ,最大光調制深度為21db 。分享友人