constant current circuit 中文意思是什麼

constant current circuit 解釋
定流電路
  • constant : adj 1 恆定不變的，固定的，穩定的，恆久的；繼續不斷的。2 不屈不撓的，堅韌的。3 忠實的，有節操的。n...
  • current : adj. 1. 通用的，流行的。2. 現在的，現時的，當時的。3. 流暢的；草寫的。n. 1. 水流；氣流；電流。2. 思潮，潮流；趨勢，傾向。3. 進行，過程。
  • circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
  1. A white led driver circuit is presented in this paper. the circuit drives up to four white leds with regulated constant current for uniform intensity. by utilizing proprietary adaptive 1x / 1. 5x modes and ultra - low - dropout current regulators, it maintains the highest possible efficiency over the full 1 - cell li + battery input voltage range

    整體電路以恆定電流驅動4隻白光led ，利用1倍/ 1 . 5倍分數型電荷泵和低壓差電流調節器，在整個鋰電池供電電壓范圍內保持最高的效率，並使四個白光led獲得均勻的亮度。
  2. Complementary constant current logic circuit

    互補恆流邏輯電路
  3. Chaotic measured circuit of constant current and simulation analysis

    恆流式混沌測量電路及其模擬分析
  4. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨，本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制，文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。
  5. After which, the battery will be charged by large constant current to allow the fast charging. finally, the constant voltage charging is adopted to guarantee the battery was charged to its full capacity. under the condition that the temperature has raised to a certain threshold at the constant current charging stage, the over temperature circuit is performing and it provides a compensation current which switches the system to constant temperature charging mode with the intention of protecting the ic

    即在充電初期採用較小的電流對電池進行預處理，對出現過放電的電池進行修復和保護;然後採用較大的恆定電流對電池充電，實現快速充電的目的;最後採用恆定壓充電，確保電池充滿;在恆流充電階段，當晶元溫度上升到一定程度時，晶元過熱保護電路開始工作，該電路以提供充電補償電流的形式使充電進入恆溫充電模式，對晶元進行保護。
  6. Abstract : the author puts forward a constant - current control system of diode rectifier with saturable reactor in electrolytic aluminum. the working principle of saturable reactor is depicted. also analyzed are the system configuration and features of system correct circuit

    文摘:介紹了應用於電解鋁的加飽和電抗器的二極體整流器的恆流控制系統，簡述了飽和電抗器的工作原理，分述了系統構成和系統校正電路的特點。
  7. The technology of alternating - current - boosting by way of constant current is successfully used to charge capacitors with 25 kilojoules of energy in only eight seconds. rail - gap switch with performances of long life and highly steady state are designed. and the high voltage pulse generator, which can produce low - excursion and fast - rise pulses, are designed by using double trigger circuit and hydro - thyristor as switch

    在大功率恆流充電技術上，成功的應用了交流調壓式恆流技術，可以在8s內讓電容器儲存25kj的能量;設計出了長壽命、高穩定的軌道開關;採用氫閘流管做開關，使用雙觸發電路，研製出了低抖動、快前沿的高壓脈沖發生器（點火機） ;採用單片機和pld ，研製出了精度為10ns的延時同步機。
  8. The research shows that students misunderstand the relation between force and motion. gravity and action / reaction ; that in dc circuit, students of different age groups have the belief of " consumption of current ", " clashing currents " and " the battery as a constant current generator " ; that in understanding the concepts of electricity students lack th e knowledge of relating the micro with the macro ; and that students have serious difficulties in understanding the propagation of mechanics wave, the speed of wave and superposition, and do not make a distinction between the initial conditions and the medium properties of the system

    具體表現在：學生對力和運動的關系、重力和平衡、作用力與反作用力存在一些誤解；對直流電路，不同年齡的學生不同程度地存在電流消耗、碰撞電流、恆定電流源等觀念，而且對電學概念的理解缺乏宏觀與微觀的聯系；學生在機械波的傳播、波速、波的疊加上存在嚴重的困難，對于機械波的傳播學生不能區分初始條件和媒質特性，並錯誤地將動力學某些觀念與機械波進行類比。
  9. These three products are specialized diodes designed for specific purposes and their names give an indication of their use ? however these are diodes which serve to protect the circuit from transient or sudden ( surge ) voltage changes or for constant current diodes, to keep the current constant

    此三種產品是專門用來（名稱已經表明其用途）保護電路不受瞬變電壓、急始（浪涌）電壓變化的影響，或保持恆定電流二極體的電流穩定。
  10. The variable polarity power supply circuit uses two stages full - bridge inverter, the former inverter is regarded as a constant - current source with fast dynamic response, and supplys energy for the second one, and the latter one is to produce variable polarity current excellently, and low - frequency pulse current by variable polarity power supply is used to reduce input energy and control the shape of weld bead while welding. a series of high - frequency pulse current is superposed on direct - current - electrode - negative ( dcen ) current through the high - frequency pulse power supply, which is used to compress the arc and improve process of crystallization

    其中變極性電源採用二次全橋逆變結構，一次逆變提供快速的響應速率並給二次逆變提供能量，二次逆變提供良好的變極性性能，使輸出能量最優化，並用其低頻電流特性減小電弧線能量，控制焊縫成形;高頻脈沖電源提供的高頻電流疊加在反極性電流dcen上，利用電流的高頻特性壓縮電弧，改善焊縫金屬結晶過程。
  11. 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。
  12. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  13. A simple constant voltage and constant current charger has been improved, the state of float charger has been added to the charger in order to guarantee the full charge of battery safely, with high charge speed. experiment results and detailed designs of power circuit and control circuit of the charger are presented

    本論文對一種簡單實用的恆壓恆流充電器進行了改進，在恆壓恆流充電的基礎上加入了浮充狀態，從而保證了蓄電池的滿充；同時對充電器的功率電路和控制電路進行了詳細的設計，並且給出了實驗結果。
  14. Signal will be used in controlling constant current circuit

    電路，最後將電壓信號換成420madc標準信號輸出。
  15. Hybrid integrated design of the more led chips with gather constant current diode ic circuit

    與恆流源一體化混合集成設計
  16. It avoids the disturbance of the constant current source by improved constant current source method, with high precision and nice resolving power. the circuit has wide application with simple structure, low cost, low power dissipation and small. it can be used in the precise temperature measurement and control systems, such as laser diode

    用改進的恆流源法測量熱敏電阻的阻值，有效地克服了恆流源的干擾，測量精度高，測量解析度可達0 . 01 ，測溫準確度可達0 . 5 ;並且該電路結構簡單，成本低、功耗小、體積小、具有很高的實用價值，可用於需要精密測溫與控溫系統中，如激光二極體的溫度控制中。
  17. The hardware system includes power supply circuit, clock reset circuit, jtag model building circuit, decoding circuit, memory interface circuit, man - machine interface circuit and numeric control constant - current source interface circuit

    硬體系統主要包括電源電路、時鐘復位電路、 jtag模擬介面電路，譯碼電路、存儲器介面電路、人機介面電路、 adc轉換電路和數控恆流源介面等。
  18. Constant current circuit

    恆流電路
  19. In chapter 3, according to the requirements of high voltage power supply used for charging capacitors with constant current, the series resonant converter ( src ) was chosen as the main circuit frame. the dynamic process of src was discussed by using mathematical analyses and numeric simulation to study the operational characteristics, the effects of parameters of resonant circuit on them and the relationship between switching frequency and out put power, which provided the bases of designing the power supply

    第三章中根據高壓電容恆流充電電源的運行特點，選擇了串聯負載諧振變換器作為主電路結構形式，並對其動態過程進行了數學分析及數值模擬，討論了該電路的運行特點、諧振迴路參數對運行特性的影響以及開關工作頻率與功率輸出的關系，為電源的設計提供了依據。
  20. Applied dedicated thick diaphragm and high - power integrated circuit to have high precision on voltage stability and constant current output

    採用專用的厚膜大功率集成電路，具高精度的穩壓及恆流輸出特牲。
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