電運作閥 的英文怎麼說
中文拼音 [diànyùnzuòfá]
電運作閥
英文
electrically operated valve-
Hydraulic concrete crusher detail : all round, extremely efficient concrete crusher system for concrete demolition in general, and reinforcement exposure in particular. the system works immissionfree, i. e. : it does not produce any noise, dust or cibrations and operates without water. description : pliers qty 1, hydraulic power pack qty 1, 10m long oil pipe set of hoses, high pression qty 2, accessories bag qty 1
啟動電機帶動油泵運轉，液壓油直接返回油箱手動轉動換向閥三位四通閥一個位置后，液壓油進入系統推動活塞，活塞桿伸出，帶動鉗體收縮，從而破碎鋼筋混凝土結構，反向轉動換向閥，鉗體松開，完成一個工作循環。Comparing and analyzing the synchronous control strategy, which brings up the new method to control the double un - symmetry jars proceed synchronously with the combination of proportional valve and servo valve, which forms closed loop control ; basing on the above methods, models are made to get mathematics models of position control system and to analyze system model theoretically by using pid controller, we can realize regulating parameters, minimizing synchronous errors and enhancing the dynamic performances ; the simulink tool box in matlab software is used to imitate the system according to the model, which not only makes the result visual and easy to adjust the parameters in interactive way but also lets us understand the effects of different parameters and optimizes the dynamic properties. the theory of plc control in dshp is discussed after advanced understanding of the system movements. hardware design and general regulation are given on the base of siemens company products s7 - 200 plc
本文根據大量的國內外文獻，對研配液壓機的工作原理及設計結構進行了簡介；對位置同步的控制方法進行了比較分析，提出比例閥和伺服閥復合控制的閉環結構來對非對稱雙缸進行同步控制電液比例同步控制方案；在此基礎上著重對比例閥控非對稱缸建模，最後得到位置控制系統的總體數學模型，從理論上對同步系統動態特性進行了分析，並用pid控制器進行參數整定，減小雙缸同步誤差、提高系統的動態響應性能；其中控制性能的分析藉助于matlab軟體中的simulink工具箱，由已建立的數學模型形成模擬模型，得到可視化的模擬結果，從而利於交互方式下調整參數，了解不同的參數對系統的影響，優化同步系統的動態性能；在深入了解系統的動作特性后，對plc控制研配液壓機的原理進行了探討，針對siemens公司s7 ? 200型plc給出了硬體設計的總體規劃，編制出研配液壓機動作控製程序，在編程中著重研究位移傳感器與plc的通訊、雙缸同步運行的pid控制在plc上的實現及bcd碼撥盤輸入程序的植入問題。It is one of advanced control equipments which installed at the inlet of turbine in the world, and is widely used as inlet valve in middle and small hydropower station, and can be automatically operated according to procedure
該產品廣泛用於中、小型水電站水輪機進口，能按程序自動運行，作連通和截斷水流，防止水輪機飛逸，減免水錘現象的閥門。When the electrohydraulic push rod works, if the external force suffered by the piston rod is more than the setting output torque, the piston moves to the end ; oil pressure in the oil pipeline increases rapidly to the setting value, the safety valve overflows rapidly, to achieve overload protection
電液推桿工作時，當活塞桿所受外力超過調定的輸出力距活塞運動到終點；油路中的油壓迅速增高至調定值，安全閥迅速溢流，實現過載保護。Moa is kind of necessary over - voltage protector for safety running in electrical power system, it ' s used for prevent the equipment against the damage of atmosphere and operating over - voltage without gaps is belong to the third dynasty product, it ' s recognized as the up - to - data over - voltage protector, this kind of product is made up of zinc oxide films and polymer housing for example sr, epdm, hdpe it has features of small volume, simple structure, light height, pololution - prool and non - detonation and is suitable to be usde in the densely populated city
避雷器是電力系統安全運行不可缺少的過電壓保護產品，用以保護電器設備免遭大氧過電壓和操作過電壓的損害，而復合外套無間隙氧化鋅避雷器是屬于避雷器第三產品，是當今各項性能最好的產品，其核心元件電阻片全部採用氧化鋅閥片，而外殼材料是採用復合有機材料，如硅橡膠（ sr ） ，改性三元乙丙橡膠（ epdm ）高密度聚乙烯（ hdpe ）等，它具有體積小，結構簡單，重量輕，耐污積強，防爆等優點，最適合人口密度城市中使用。Delete present 2. 6. 2 and revise 2. 6. 3 to evaluate operation of the valve under conditions temperature, pressure and voltage
刪除了條款2 . 6 . 2以及修改了條款2 . 6 . 3 ，以評估閥門在特定溫度、壓力及電壓下的運作情況。Kuroda pneumatics ltd. is pleased to introduce solenoid valve, " va01 series ". " va01 " valvo should encourage faster picking and placing of works at assembling process of electronic devices
為您提供在加工和製造半導體電子產品的工藝流程中，可實現高速吸著貼裝和搬運動作的va01系列電磁閥。As an important executive device, the hydraulic valve ' s safe and stable operation is of momentous significance. so real - time monitoring of the valve ' s running status and dynamically setting of its running parameters are needed. also the valve should alarm and handle failure when error occurs
各種電液閥作為一類重要的執行器件，保證其安全穩定的運行意義重大，因此需要對閥的運行狀態信息進行有效提取和實時監控，以及在出現故障時報警並做出相應的應急處理。Considering that the zno surge arresters have canceled gaps, they will deteriorate gradually under operating voltage. some of them will be moistened because of structure problems
然而氧化鋅避雷器沒有放電間隙，在長期的運行電壓作用下，其閥片會逐漸劣化；或由於避雷器本身結構不良而受潮。Expect for the design of the amplifier, the emphases is to test the static state and dynamic characteristic of the control system and provide a great deal reference data so that the system can work well
論文中除了對放大器的電路做了介紹外，重點是對放大器在比例控制系統的運行中做了大量的靜態、動態參數測試，為比例電磁閥的良好工作提供了一系列的參考數據。Therefore, to test servovalve become an important work for improving control system ' s characteristic in chapter one, the work ' s origin and computer ' s applications in the hydraulic test ' s fields are showed, and the same product ' s position at present is briefly introduced. in chapter two, the basic characteristics of the eledtrohydraulic servovalve and the basic test methods are introduced
伺服閥的檢測對于保證伺服閥的性能指標、保證電液伺服系統準確快速穩定的工作有重要的意義論文主要闡述了以工控機、數據採集卡、信號發生器等硬體為基礎，運用虛擬儀器的思想，開發電液伺服閥計算機輔助測試系統的過程、收獲和最後取得的成果。分享友人