速開閥 的英文怎麼說
中文拼音 [sùkāifá]
速開閥
英文
quick-opening valve-
In the hydraulic transmission systems, after the valve is suddenly open and shut off, there will be a fluid transient in the form of pressure pulsation propagating along the pipeline
液壓系統中，閥門的快速開啟或關閉會在管路中發生壓力瞬態脈動過程。B ) the design of the new valve : for the displacement of the actuator, hydraulic magnify is used, and the stracture that has comparatively motion beteen harness and body and comparatively stillness between harness and body is adopted. the static characteristic of the new valve and also its dynamic characteristic, the factors that affect the valve ' s characteristic are analyzed
設計新型高速開關閥：對驅動器位移採用了液壓式放大，並採用閥套與閥體之間有相對運動，閥芯相對閥體不動的結構。分析了新型高速開關閥靜動態特性以及影響其性能的主要因素。A comparison of the flows with different gate - opening rates shows the causes that opening the gate at a higher rate is favorable to the reduction of cavitation, gate vibration as well as the gate load fluctuation. in addition, a study has been made to show the influence of the high - speed jet flow coming downward from the narrow gate gap on the flow condition in the tunnel downstream to the gate
通過分析比較不同閥門開啟速率對流動特性的影響，闡明了快速開啟閥門不僅有利於減少空化空蝕也有利於減小弧門振動和啟門力的脈動，此外，研究了門楣處狹窄縫隙高速射流對門后流態、壓力脈動和弧門受力等方面的影響。Our tilting disc check valves are designed for quick opening and closing in severe service applications and the elimination of water hammer
我們的翻轉式閥瓣止回閥專用於在嚴酷的應用環境下迅速開啟和關閉，避免出現水錘現象。In order to overcome the disadvantages of servo valves and the spool valves, the fast hydraulic system controlled by the fast on - off valve is researched which uses the on - off valves as the pilot valves. they are used to control the opening and closing of the logic valves, thus they can control the pressure and the flow. so they can control the movement direction and the velocity of the piston
為了克服伺服閥和滑閥的不足，本文所研究的基於快速開關閥的快速液壓系統採用快速開關閥作先導閥，控制邏輯閥的開啟和關閉，從而控制液流的通斷和壓力的高低、流量的大小，以實現對活塞運動方向、速度的控制。From the research of the experiment and the simulation, conclusions and suggestions are gotten : ( 1 ) the fast hydraulic system which uses fast on - off valve as the pilot valves to control the logic valve is an available system
從模擬和實驗研究可得出如下結論和建議： （ 1 ）本課題所研究的採用快速開關閥作先導閥控制邏輯閥的快速液壓系統，是比較可行的方案。Analysis of performance of abs solenoid valve by finite element analysis
高速開關電磁閥性能分析For best performance swing check valves should operate with fluid velocity sufficient to hold the disc in a stable position off the seat or fully open against the disc stop
為了獲得最好的性能，旋啟式止回閥應該運行在流量速度足夠將閥瓣穩定支撐在離開閥座的位置，或讓閥瓣停止在全開的位置。Application of high speed on - off solenoid valve in engineering machinery
高速開關電磁閥在工程機械方面的應用分析Electronically - controlled hydraulic throttle actuator with high speed on - off valve
高速開關閥控制的電液式節氣門執行器High - speed on - off valves are used and controlled with pulse width modulation ( pwm ) in this system
系統應用高速開關閥，用脈寬調制（ pwm ）的方法進行控制。D ) in the end, the new high speed on / off valve is applied to the vavle - control - vat systerm, and the controlling circuit is given
最後將設計的高速開關閥應用到閥控缸系統，並給出其控制電路。Therefore, it is proved that the control with high - speed on - off valves can realize the servo control function that be carried out with analog control whose control flowrate is proportional to is value. secondly, the paper builds up the mathematics model of the normal pneumatic servo system based on the symmetry structure, and the main characteristic parameters are analyzed and then introduce the theories to increase
論文基於易於進行分析的對稱結構的高速開關閥閥控氣缸，建立了氣壓伺服系統動力機構的數學模型，分析了其主要性能參數，提出了提高純氣動伺服系統阻尼比的方法，並從理論上分析了其實現的可能性。Yet, most existing high speed on / off valves use electromagnet as their electicity - mechanism conversion element, and good performant electromagnets have to be imported from other countries, in such situation, it is difficity to make excelent high speed electromagnet valve made in our country, even if we can make good performant high speed electromagnet valve in our country, it still has the shortcoming of not high enough respond speed, too small placket and big volumeo in this thesis, a new high speed on / off valve is developed based on two types of existing valves, this new valve has higher respond speed, a little big placket and little volume o for the new valve, several main task was made out as below : a ) several types of high speed on / off were first analyzed, then the basic performance of the actuator of the new valve was analyzed
高速開關閥是20世紀80年代發展起來的一種具有響應速度快、抗污染能力強、與電子電路配合好等特點的一個良好的動力放大元件。但是現有的高速開關閥基本上採用電磁鐵為電?機轉換元件，高性能的電磁鐵又基本為進口，難以滿足高性能高速開關閥國產化的要求，即使是高性能的電磁鐵式高速開關閥，仍存在著響應速度不夠大、開口過小、體積較大的缺點。本文在現有兩種高速開關閥的基礎上，設計了一種新穎的高速開關閥，在提高其動態性能的同時，增大了閥的開口，減小了閥的體積。Firstly, the research and development situation of pneumatic servo system in recent years is summed up. meanwhile, the development history and present situation of interrelated control theory is reviewed. considering the cost and the capability of control of phcc servo system, high - speed on - off valves are used as control valves and controlled with pulse width modulation ( pwm ) in this system
論文首先綜述了近年來氣壓伺服系統的研究和發展狀況，考慮到氣液聯控伺服系統的成本和控制的可能性，確定採用氣液高速開關閥作為系統的控制閥，應用脈寬調制（ pwm ， pulsewidthmodulation ）方法進行控制。Believes that gas pressure accumulator can absorb waterhammer pressure effectively, but it needs more time to achieve stable state. the consume - energy accumulator can not absorb one of opening valve effectively, but it can achieve stable state quickly. combination of the two style accumulators will be a nice choice
認為氣壓式蓄能器能有效地吸收水擊波動，只是達到穩定狀態需要的時間更長;耗能蓄能器對吸收開閥水擊的作用不佳，但穩定速度更快，將這兩種蓄能器的優點結合起來會是一個不錯的選擇。The performance of electrohydraulic servomechanism has been analyzed. the clutch operation mechanism driven by dc servomotor was put forward
分析高速開關閥控制液壓缸系統的性能缺點，提出採用直流伺服電機作為離合器執行機構。Carlos eduardo jeronymo, hironao yamada, takayoshi muto. adaptive predictive controller for hydraulic system driven by fast - switching on / off solenoid valves [ j ]. jsme international journal, series c, 1996, 39 ( 3 )
劉忠，楊襄璧，趙宏強.基於高速開關閥的液壓控制系統及其控制方式的應用研究[ j ] .鑿巖機械氣動工具， 1998 （ 4 ）Quick opening devices for dry pipe valves for fire protection service
防火設施用干管閥門的快速開啟裝置In this paper, the on - off procedure and drive mode of high - speed on - off valves are introduced, the principle of pwm most in use recently is introduced. based on the forming method of pwm signal with software, the conclusion is drawn that the occupancy of pwm signal is only in relation to the control value calculated and the mean flowrate is linear to the control value when the carrier wave ( cycle and amplitude ) is chosen
論文介紹了高速開關閥的開關過程和閥的驅動方式。介紹了目前最常用的流體脈沖控制方法?脈寬調制的機理。介紹了pwm信號的軟體生成方法，並由此證明，高速開關閥可以實現流量與控制量成正比的模擬控制所能實現的伺服控制功能。分享友人