pump control valve 中文意思是什麼
pump control valve
解釋
泵調節閥-
The acv 513 - 6 pump control valve starts in an open position during pump start - up, purging the deep well of air and debris to atmosphere
6泵控制閥在泵啟動期間開始處于開啟的狀態，將深井中的氣體和碎片清除到大氣中。 -
The main products of our company : series of mining emulsion pump station, series of electric haulage shearer, sparying pump station, series of mining flame - proof vacuum / air electromagnetic starter, series of mining vacuum / air feeding switch, series of mining fame - proof and natural - safe. type ac soft starter, series of hydraulic stand valve and pipe system, high flow rate quick - moving valve, the new product nearing into market - the hydraulic support electric - control system, mining electric drill, hydraulic valve test table, electric performance test table
公司主導產品為：系列電牽引採煤機、系列礦用乳化液泵站、噴霧泵站、礦用隔爆兼本質安全型交流軟起動器、系列礦用隔爆真空、空氣電磁起動器、系列礦用真空、空氣饋電開關、系列液壓支架閥類及管路系統、大流量快速移架閥、即將投入市場的新產品? ?液壓支架電液控制系統、煤電鉆系列、液壓閥試驗臺、電性能試驗臺等。 -
Then pid flow rate control algorithm is introduced. all experiments made in this chapter are about measuring the valve parameters according to spool positions, single actuator flow rate control by the calculated flow rate feedback control method, free flow rate dividing control under the sufficient pump discharge flow rate situation, proportion flow rate dividing and flow rate dividing based on meter - in flow rate feedback control method under insufficient pump discharge flow rate situation. the results of all experiments proved that the method presented in this thesis is an effective way to overcome the unreasonable flow rate dividing when simultaneously operating multi - actuators with different inertia loads
第四章介紹了多執行器復合控制實驗系統和實驗方法；介紹了實驗採用的流量控制的pid演算法；並測定了執行器控制閥和閥芯位移相關的系數；做了單個執行器計算流量反饋流量控制、流量足夠情況下多執行器流量任意分配、流量不足情況下多執行器按比例調節流量分配和多執行器進油側流量反饋分流控制實驗；通過實驗說明了論文提出的分流控制方法能實現大小慣性負載復合操作時的合理分流。 -
Apcv air pump control valve
空氣泵控制閥 -
The second chapter simply introduces the development of alternate asynchronous inverter technology and retrospects some types of energy - saving systems for hydraulic elevators. then the working principles of the project are discussed and analyzed at four different working status, i. e. light load upwards, heavy load upwards, light load downwards and heavy load downwards. and the chapter focus on the introduction of structure design of pump station, calculation and type selection of pump / motor reversible units, research on oil leakage principles of accumulator circuit, design of accumulator - pump / motor pressure - energy transformer and integrated valve blocks, etc. the last but not the least, the electrical wiring of vector inverter control cabin and design of computer control and data acquisition system are introduced
論文第二章首先簡單介紹了交流異步電動機變頻調速技術的發展概況，在回顧電梯液壓控制系統節能技術的基礎上，介紹了本課題研製的「採用蓄能器的液壓電梯變頻節能控制系統研究」的基本原理，分析了動力系統在電梯轎廂輕載上下行、重載上下行等四種典型工況下的基本工作狀態和工作方式；詳細地介紹了本課題節能系統液壓動力泵站的結構設計和參數設計，重點研究了液壓動力泵站的結構設計、液壓泵馬達可逆性問題及其選型設計計算、蓄能器迴路泄漏油損失機理的研究及其補償裝置的設計、蓄能器-泵馬達壓力能量轉換裝置的設計、多功能集成控制閥組的設計等內容；最後簡單介紹了本課題矢量控制變頻控制櫃的外部附件電氣接線、計算機控制及數據採集系統的硬體設計等內容。 -
Each chemical has a station consisting of a feed pump, inductive flow meter and control valve. this ensures the reproducibility of chemical quantities
每一種化學助劑都有一個工作站，包括有輸液泵、電感式流量計、以及控制閥，這就保證了助劑用量的再現性。 -
Apart from these, the paper also proposes several improvements for pump control, which include changeable cut off control that can prevent several kinds of relief loss of hydraulic system, cross sensing control of pump that can enlarge the variable working range and compound control that combine two kinds of valve control method together
此外，還提出了幾種泵控改進方案，其中包括可防止多種系統溢流狀態的可變壓力切斷控制、能增大泵的變量工作范圍的交叉功率傳感控制以及將兩種閥控策略結合在一起的復合控制技術。 -
In power decentralized system, there are not pump / fan installed in main pipe, but also in branches, using the variable speed control to regulating the flow, valve energy consumption can be reduced or avoided, but the investment is higher and control is complicated
動力分散系統不但在系統的母管上，而且在各支路上設泵（或風機） ，並實行變速控制以調節流量，可以減少乃至消除調節閥能耗，但投資增大，控制復雜。 -
Principles and application of pump control valve with multiple functions in water hammer protection
多功能水泵控制閥的水錘防護原理與應用 -
After valve is closed ( press control ) pump will stay at min speed before stopping. during delay stop, pump can be restart or stop immediately
壓力控制中，在閥門關閉后泵不會立即停止，而是低速運行一段時間（可設定）后停止。根據需要，在此期間泵能再次啟動或立即停止。 -
Home trade ( except some regulation ), it invests, manufacturers various cleaning machine, pump, valve, complete set water supply equipment, air compressor, electric welding machine, electric control cabinet, electric wires and other relative service
國內貿易（除專項規定） ，企業投資，生產製造各類清洗機、泵、閥、成套供水設備、空壓機、電焊機、控制櫃、電線電纜、以及相關產品的服務。 -
During unit startup and load is lower than 15 %, drum level is controlled by feedwater control valve, feedwater pump remains at minimum safety speed ; when load is between 15 % and 25 %, feedwater control valve is closing at fixed speed determined by function module, main motor - operated - valve is opened automatically, control mode of drum level is transferred to feedwater pump automatically and bumplessly ; when load is between 25 % and 50 %, control valve is closed fully, and main motor - operated - valve is open fully, drum level is controlled by one pump ; when load is more than 50 %, first pump is kept in operation, second pump is putting into operation automatically and
在機組啟動、沖轉及機組並網至15 %負荷階段，給水泵維持在最低安全轉速下運行，汽包水位由低負荷給水調節閥自動控制; 15 %至25 %負荷階段，給水調節閥由函數模塊按照一定的速率自動平滑關閉，主給水電動門自動打開，汽包水位控制方式自動無擾切換為給水泵自動控制;負荷在25 %至50 %階段時，給水調節閥已完全關閉，主給水電動門已完全打開，水位控制已全由單臺給水泵承擔;負荷大於50 %后，在第一臺給水泵運行的同時，第二臺給水泵自動無擾投入。 -
This paper is focused on the mathematical description of hydraulic control system, in which the hydraulic power comes from variable pump, the actuators are two valve - controlled motors, and the load is purely inertial
摘要探討了由變數泵為液壓源、 2個閥控馬達為執行元件以及慣性負載組成的液壓控制系統的數學描述，並給出了其線性化模型。 -
In the light of significant energy losing during the hydraulic excavator working, a dynamic system was made up from the diesel engine, the variable pump, the control valve and the load to cut down the losing energy from a systematic approach based on the control characteristics of the system elements
摘要針對液壓挖掘機在工作過程中存在的大量能量損失，根據泵的控制特性曲線，將發動機、變量泵、控制閥及負載作為一個動態系統來研究其節能問題。 -
By employing intelligent control, the pressure pump and electro - hydraulic valve are controlled by the host computer, therefore the influence on metering accuracy, which caused by human factors is eliminated and the metering error is reduced. scientificalness and automation of the metering management system is implemented by using local area network
主機對加壓泵和電液閥進行智能控制，消除了人為因素對計量精度的影響，減小了計量誤差，利用局域網技術實現計量管理的科學化、自動化、網路化。 -
Design of quick die change system of heavy - duty press has been introduced with principle and component of lifter, pump and control valve of pneumatic and hydraulic, emphasis especially on design and calculation for lifter and pump
摘要介紹了用於大型壓力機的模具快速更換系統的組成及工作原理，舉升器和氣動液壓泵的結構與工作原理，舉升器控制系統的原理等，並重點介紹了舉升器和氣動液壓泵的設計計算。 -
Electrohydraulic push rod drives the two - way pump to output pressure oil with rotation of motor clockwise and counter - clockwise, by control of hydraulic valve, send to the hydraulic cylinder, to achieve the reciprocating movement of the piston rod
電液推桿以電動機正反轉，帶動雙向泵輸出壓力油，經液壓閥控制，送至液壓缸，實現活塞桿的往復運動。
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