渦流檢測線圈 的英文怎麼說
中文拼音 [guōliújiǎncèxiànjuān]
渦流檢測線圈
英文
eddy current coil- 渦 : 渦名詞1. (漩渦) eddy; whirlpool; vortex 2. (酒窩) dimple
- 流 : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 圈 : 圈名詞1. (養豬羊等牲畜的建築) pen; fold; sty 2. (姓氏) a surname
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
- 線圈 : [電學] coil
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The probe ' s linearity, temperature and dynamic characteristics are analyzed base on principal theory of eddy - current displacement sensor, such as the influence of the coil q value to the linearity characteristic, influence of the diameter of coil to the linearity characteristic, influence of coil resistance to the temperature characteristic, influence of the measuring coil to the syntony loop
在介紹渦流位移傳感器的基本理論的基礎上,分析了傳感器探頭線性特性、溫度特性、動態特性的影響因素。從探頭線圈q值對線性特性的影響;探頭直徑對線性的影響;探頭線圈電阻對溫度特性的影響;激勵信號溫度特性的影響:檢測線圈?振迴路動態響應特性等方面分析並提出製作高質量傳感器探頭的改進措施。For the leakage often occured on condenser brass pipe of hanchuan power plant, using differential inner insert detecting coil the on - line multi - frequency eddy current check technology effectively restrains interferance source signal from support board, etc, improves measuring sensitivity and the measuring result gets more reliable
摘要針對漢川電廠凝汽器銅管在運行中多次發生泄漏,利用差分內插式檢測線圈,通過多頻渦流檢測技術對凝汽器進行渦流在役檢測,有效地抑制了支撐板等干擾源信號,提高了檢測靈敏度,使得檢測結果更可靠。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現:激勵源電路部分,由分頻電路和頻率合成電路組成,產生頻率穩定的激勵信號以確保檢測任務的正常進行;傳感器變換電路部分,由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成,主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號,易於后續電路處理;由dsp晶元構成的微處理系統,主要完成檢測系統的數據擬合、顯示及與主機通信等功能。Based on the electromagnetic theories, this dissertation presents an analytical method to analyze the el ectromagnetic field caused by the solenoid coil with ferrite core that is popularly used in eddy - current non - destructing test ( not )
本論文從電磁場理論出發,應用解析方法分析了渦流無損檢測用帶磁芯的放置式線圈的阻抗,並利用數值方法和實驗驗證了分析結果。Below are the work and results of the dissertation : 1. analytical solution to the eddy - current transducer with ferrite core according to the practical eddy - current transducer used in eddy - current not, the analytical model described by a solenoid coil with a coaxial cylindrical ferrite core of finite length " is established
論文的主要工作和結論概括如下:一、渦流傳感器電磁場解析解根據渦流無損檢測中實際使用的放置式線圈傳感器,建立了含有共軸有限長磁芯的通電圓柱線圈電磁場分析模型。In the eddy - current testing, testing coil is the sensitive component connecting the specimen and the instrument, so it is called transducer. the information of the test specimen is reflected by the variation of the coil impedance ( or induced voltage )
在渦流檢測中,檢測線圈是用來連接測試儀器和被測試件的敏感元件,它是渦流檢測中的傳感器,被檢試件的信息是通過線圈阻抗(或感應電壓)的變化反映出來的。Eddy current testing method for steel products by encircling coil technique
採用環繞線圈技術的鋼製品渦流檢測方法Eddy current nondestructive testing ( ecndt ) is widely used to detect the thinness and defects of the sample, because of its characteristics of non - contact, high sensitivity and ease of detection. the principle of ecndt is that : when a probe coil with the ac exciting source is put near a sample, eddy current will be produced in the sample which will conversely affect the impedance of the coil according to the farad theorem. any un - uniformity in the sample will change the impedance of the coil and the output voltage
渦流無損檢測技術具有靈敏度高、檢測速度快、非接觸等特點廣泛應用於厚度檢測和缺陷探傷,它的原理是當載有交變電流的檢測線圈靠近金屬導體時在導體中產生渦流,該渦流又影響原磁場,使得線圈的阻抗和感應電壓發生變化,通過分析阻抗或感應電壓的變化來獲得被測導體的信息。分享友人