電壓探頭 的英文怎麼說
中文拼音 [diànyātàntóu]
電壓探頭
英文
voltage probe-
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。In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation
作者在參閱國內外大量相關參考文獻的基礎上,從電導測試技術的原理性研究出發,分析了採用交流激勵源、兩電導電極為傳感器的傳統電導測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓激勵、以四電導電極為探頭、運用單片機進行溫度自動補償的新型電導率測量系統。3 in experiment the common electrical - resistance strain gages is used as receiver to replace the pzt or velocity and acceleration transducer which is frequently used in pipeline not
3 、實驗採用動態電阻應變電測法,採用普通的電阻應變片作為接收傳感器,代替了通常用於管道檢測的壓電探頭或樁基完整性檢測的反射波法中使用的速度傳感器或加速度傳感器。The intention of this paper is to develop a set of testing system, which has high efficient and reliable performance and advanced technology. it is applied in testing extrusion pressing of new type elevator wire rope tie - in in its making process and tensile strength, fatigue strength of tie - in. then to test the validity of design theory of the new type tie - in by analyzing the testing data and grope for new theory on and on
本課題研究的目的是開發一套高效可靠、技術先進的測試系統,用於測試新型電梯鋼絲繩繩頭製作過程中的擠壓力、以及繩頭本身的抗拉強度和疲勞強度性能,然後根據測試數據來驗證新型繩頭設計理論的正確性,並不斷進行新理論的探索。This testing system is based on the pxi bus virtual testing system. there are many secondary types of equipments in the system. such as the programmable power supply, high voltage probe, high voltage relay, high voltage load and pneumatics
本文以pxi總線虛擬測試系統為核心,輔以程式控制電壓源、高壓衰減探頭、高壓繼電器、高壓放電負載及氣動裝置,分別設計組裝了主機櫃與測試櫃,完成整個自動測試進程。Below when has one of situations, on the smoke detector reports to the police the indicating lamp to be red glistens, the main engine regardless of is at what kind of condition to be able the scene alarm signal to report to the police, simultaneously automatically dials to suppose the telephone to report to the police in advance : 1 guards against spatial the smog density and the duration to achieve reports to the police the value ; 2 holds back on the smoke detector the test button
當有以下情形之一,煙感探頭上的報警指示燈紅色閃亮,主機無論處於何種狀態都會現場警號報警,同時自動撥打預設電話報警: 1防範空間的煙霧濃度和持續時間達到報警值2按壓煙感探頭上的測試按鈕。Based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
結合魚劍口電站壩下消能防沖試驗研究成果,對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討,提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深,地質條件差,抗沖能力弱的低壩樞紐的消能防沖問題,從而為具有低水頭,大單寬流量,低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑,可供有關低壩樞紐設計與試驗工作者借鑒與參考Compressor panel testing mainly includes acculator axle temperature monitor, plc group. after connection of local cable and testing of detector charactertistic contour, testing vibration and site ? change monitor
對其中的壓縮機盤主要是調速器、軸瓦溫度監視器、機組plc調試。至於振動、位移監視器調試,需待現場電纜連接後作探頭特性曲線測試后進行。By using the operation circuit, the drive voltage of f - p in feedback can automatic trace the reflected fbg wavelength. not only had an extraordinary wide demodulation range of frequency achieved, but also a problem solved that when the sensing probe is changed, the sensor has the ability to automatic adjust the drive voltage of f - p to keep up with the dramatic change of the reflected fbg wavelength
本文中創新性地提出了「自動跟蹤」的概念,利用光電系統中的運算電路,不僅能夠自動跟蹤調整法布里腔的驅動電壓、在保證精確度的同時有效地提高該傳感系統的解調頻率范圍,還有效地解決了在測量范圍內有時需要更換傳感探頭的重新調諧問題。This kind of alarming device makes use of heat - releasing infrared transducer, which can discern the special infrared rays of the human body and transform them to electrical signals, then send the signals to single chip
利用熱釋電紅外傳感器作為探頭,進行非接觸式遠距離檢測,將感測到的紅外信息轉換成電壓信號,經過單片機處理,完成數碼顯示和語音報警功能,從而實現了防盜報警功能,達到了安全防護的目的。The good voltage - inducted electricity - conductive rubber was the headstream of the sensors, which the signals were gathered. this rubber set not all the surge and blast - off but also to be received. and this article expounded how the circuitry - signal prevented from disturbing and recorded
接著進行了總體方案的設計和探討,以導電橡膠的電阻變化為感壓信號採取源頭,設置了信號振蕩發射、信號接收的具體方案,並對線路的型號防干擾及信號記錄作了相關闡述。These probes include a small electrical heater which is supplied from a small battery in the pressure case.
這些探頭各有一個在加壓情況下由小蓄電池供電的小型電熱器。Abstract : based on experimental result of energy dissipation and scour protection for downstream of spillway at yu jian kou power station, this paper discusses the flow characteristics, aerated characteristics of flaring gate pier for low dam pivot, the influence on pressure of dam surface and the result of energy dissipation for flaring gate pier. it is put forward to be an available method to solve the problems of energy dissipation and scour protection for depth of covering strata, poor geologic condition and weakness of resistance to scour capability under reasonable use of flaring gate piers and auxiliary dissipaters. thus, a new method is obtained for release of floodwater and energy dissipation of low dam pivot which are provided with low water head, great unit discharge and low froud coefficient. it may be used for reference for design and test workers
文摘:結合魚劍口電站壩下消能防沖試驗研究成果,對低壩樞紐寬尾墩的水流特點、摻氣特性、寬尾墩對大壩泄流能力和壩面壓力的影響以及寬尾墩的消能效果等問題進行了初步探討,提出了合理地使用寬尾墩結合輔助消能設施可有效地解決壩下覆蓋層深,地質條件差,抗沖能力弱的低壩樞紐的消能防沖問題,從而為具有低水頭,大單寬流量,低佛氏數特點的低壩樞紐泄洪消能開辟了一條新途徑,可供有關低壩樞紐設計與試驗工作者借鑒與參考D. garthe, a fiber - optic microphone [ j ]. sensor and actuators a, 1991 : 25 - 27
張奕林.光纖壓力傳感器探頭的設計[ j ] .光電子激光2002The factors include ultrasonic wave frequence, condition temperature, ultrasonic converter instrinisic system error, hareware extended time, electricity noise and sonic noise in the spot, city power defmcient pressure and exceeded pressure, city power peak and pour. we adopt the following compensation schemes of error in the system. about ultrasonic wave frequence ' s effect to measurement precision, we can choose appropriate frequence according to the measured distance
在空氣和液壓缸中影響測距精度的主要因素包括:超聲波的頻率、環境溫度、超聲換能器本身的系統誤差(即探頭固定誤差) 、硬體時間延遲、工作現場的電噪聲和聲噪聲、市電的過壓、介壓噪聲以及市電的尖峰和浪涌噪聲,在本系統中採取了以下幾種誤差的補償方案: ?對于超聲波的頻率對測量精度的影響,只能根據測距的距離選擇合適的超聲頻率。分享友人