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1)  PWM high speed switch valve
PWM高速开关阀
2)  High speed on-off valve
高速开关阀
1.
This impulsion tool uses a high speed on-off valve to control to-and-fro motion of the distributing oil valve core, which impels the cylinder rod to-and-fro motion to form impulsion.
此冲击器采用高速开关阀控制配油阀的阀芯往复运动,从而促使活塞杆往复运动形成冲击的工作方案。
2.
The dissertation analyzes several different hydraulic controlling valves, mainly high speed on-off valves.
本文分析了几种液压控制阀的应用和性能,重点分析了高速开关阀的应用、性能和分类。
3)  high-speed on/off valve
高速开关阀
1.
Simulation and experimental investigation on pressure dynamics of pneumatic high-speed on/off valves;
气动高速开关阀动态压力特性仿真与试验研究
2.
Electronically assisted braking system for vehicles based on a high-speed on/off valve;
基于高速开关阀的电控汽车辅助制动系统
3.
The Research on the Electro-hydraulic Control System with High-speed ON/OFF Valve;
高速开关阀的电液控制系统的研究
4)  high speed on/off valve
高速开关阀
1.
Research and application of a new PWM high speed on/off valve;
PWM高速开关阀的研制与应用
2.
According to the slow response of electro-hydraulic actuator driven by single high speed on/off valve,which was leaded by the restrained volume of high speed on-off valve,the solution that using a high speed on-off valve as the pilot valve and a secondary valve as the distributing valve was presented.
针对高速开关阀流量限制导致的单高速开关阀驱动的电液执行器响应速度慢的问题,在对应用于活塞式变排量压缩机上的高速电液执行器进行性能分析的基础之上,提出了高速开关阀作为先导阀、二级机械阀作为配流阀的方案,建立了数学模型,并进行了仿真。
3.
High speed on/off valve is an excellent conversion element which has been developed since 1980 s, it has many merits such as high response speed , good ability of resisting contaminated oil and capability of assorting well with electro circuit.
高速开关阀是20世纪80年代发展起来的一种具有响应速度快、结构简单、抗污染能力强、与电子电路配合好等特点的电液控制转换元件。
5)  high-speed on-off valve
高速开关阀
1.
A hydraulic cylinder position control system,which was based on the pilot control of the high-speed on-off valve,was designed according with the demands of hydraulic pressure drive system of hydraulic manipulators.
针对液压机械臂的液压驱动系统要求与计算机接口方便、反应迅速并有较强抗污能力的特点,设计了基于高速开关阀先导控制的液压缸位置控制系统,并建立了相应的数学模型。
2.
Main delay of high-speed on-off valve results usually from the t im e -constant of solenoid-in ductance.
高速开关阀滞后的主要原因是电感元件存在滞后,这很容易通过加一个高电压产生过电流而去磁得到补偿。
3.
Integrated analysis on design theory and control mode of robot manipulators hydraulic driven system at home and abroad have been made in detail, then a new robot manipulators hydraulic driven system based on high-speed on-off valve pilot control is proposed in this paper.
本文在对国内外现有的机械臂液压驱动系统设计理论和控制方式进行了综合分析后,研究了基于高速开关阀先导控制的新型机械臂液压驱动系统。
6)  high speed on off valve
高速开关阀
1.
In order to improve the switching speed of an electro hydraulic high speed on off valve and the digital control accuracy of the fluid pulse width modulation (PWM), this paper made some researches about using the rare earth alloy giant magnetostrictive as an actuator to drive the hydraulic on off valve, and a kind of new high speed on off valve with a special structure was made.
为了提高电液高速开关阀的开关速度 ,改进流体脉宽调制 (PulseWidthModulation ,简称PWM )电液数字控制的精度 ,对以稀土合金超磁致伸缩材料作为驱动器来驱动液压开关阀进行了研究 ,并研制了一种特殊结构的新型高速开关阀。
2.
This paper develops the control system of electronically controlled throttle with high speed on off valve.
研究了一种利用高速开关阀对节气门进行电子控制的系统方案。
3.
After remolding its variable capacity machinery, the author researches a new variable capactiy servo hydraulci organization base on high speed on off valve pressure control system and achieve the output pressure control of the constant pressure variable capacity pump.
通过对其变量机构改造 ,研究了一种基于高速开关阀压力控制系统构成的新型电液伺服变量机构 ,实现了对恒压轴向柱塞变量泵输出压力的无级控制。
补充资料:溢流阀、顺序阀、减压阀的比较
溢流阀
减压阀
顺序阀
控制油路的特点
通过调整弹簧的压力控制进油路的压力,保证进口压力恒定,p2=0
通过调整弹簧的压力控制出油口的压力,保证出口压力p2稳定
直控式-通过调定调压弹簧的压力控制进油路压力;夜控式-由单独油路控制压力
出油口情况
出油口与油箱相连
出油口与减压回路相连
出油口与工作回路相连
泄漏形式
内泄式
外泄式
内泄式
进油口状态及压力值
常态
常闭(原始状态)
常开(原始状态)
常闭(原始状态)
工作状态
进出油口相通,进油口压力为调整压力
进油口压力低于出油口压力,出油口压力稳定在调定值上
进出油口相通,进油口压力允许继续升高
联接方式
并联
串联
实现顺序动作式串联作卸荷阀用时并联
功用
定压、溢流或安全作用限压、稳压、保压
减压、稳压
不控制系统的压力,只利用系统的压力变化控制油路的通断
进油腔压力p1控制阀芯移动
出油腔压力p2控制阀芯移动
进油腔压力p1控制阀芯移动
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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