换向阀

2D数字换向阀的步进特性分析&数字阀研究系列报告之一

Investigation to Stepping Characteristics of 2D Digital Directional Valve & Ist Report of Digital Valve Research Series

3～5t装载机新型多路换向阀组系列的研制及推广应用

Development of Multi-way Directional Valve Group Series for 3 to 5 tonnage Loaders and Their Application Promotion

一种数字式多路换向阀及其PLC控制

A digital multi - way direction valve and its PLC control

新型位移-电反馈PWM比例多路换向阀

A new type of displacement-electrical feedback PWM proportional directional control block

由PLC控制电磁换向阀，从而控制液压缸的动作，实现叶片的调节；

The PLC controls the electromagnetism reversing valve , thus controls cylinder movement and adjust the leaf blade .

电磁换向阀的数字化改造及PLC主控单元对其直接控制

Digital Rebuilding of Electromagnetic Direction Valve and Control of the Innovated Valve with Main Control Unit of PLC

2D电液数字换向阀

2D digital directional control valve

文中通过PLC程序自动控制电机的起动，驱动液压泵工作，电磁换向阀换向，使液压系统中液压缸控制装置的往复运动，从而实现整个装置的动作要求。

Electromotor starting , hydraulic pump running , electro-hydraulic valve switching and hydraulic cylinder moving are all controlled automatically by PLC to satisfy the movement demand .

气动电磁换向阀可靠性试验台自动测控系统特高压磁阀式可控电抗器自抗扰DSP控制系统

Controlling and Testing System for Reliability Test-bed of Pneumatic Solenoid Directional Control Valve Application of UHV magnetic-valve controllable reactor based on auto-disturbance rejection floating point DSP

用PLC负责与工控机的通讯，与信号采集板的信号交换，以及旁通阀、换向阀、液压泵的启停控制。

PLC functions communication with industrial control computer , signal exchange with signal PCB and the controlling of by-pass valve , change-over valve and stop / start of hydraulic pump .

DHF电磁换向阀自动火焰钎焊机的研制

Automatic flame brazing amchine for DHF electromagnetic reversal valve

在理论分析的基础上，成功地研制了一种新型的数字换向阀SZF15B。

Based on theoretical analysis , a new type of SZ - 15B digital direction control valve is successfully developed .

详细讨论了高效烟气余热回收、超低NOX排放等关键技术和蓄热式燃烧器、四通换向阀等关键部件；

Both key technologies such as recovery of exhaust heat of flue gas and low emission of NOX and key parts such as burner equipped with honeycomb regenerative chamber and 4-way switching valve are discussed in detail .

本文从实际出发，以负载曲线和比例阀空载流量为条件，导出以功耗最小为指标的系统参数：A（变量油缸活塞有效面积）与Qm（比例换向阀空载流量）最佳匹配计算公式。

This article considers the real condition , leads out the system 's parameters ' ( a & . Qm ) best matching calculational formula which can make the power consumption least in the condition of the load curse and the proportional valve 's no-load flow .

对HTAC的蓄热体、换向阀、烧嘴及炉体材料等关键部分分别作了简要介绍。

The key parts of HTAC , such as the body of heat accumulating , inverting valve , burner and materials of furnace body , are introduced respectively .

针对DHF电磁换向阀的结构及特点，详细地介绍了阀体自动焊接专机的机械运动系统、火焰加热系统、钎焊夹具及火焰钎焊工艺过程。

Mechanical structure of brazing machine , flame heating system , fixture and procedure for auto - brazing of valve body of DHF electromagnetic reversal valve are introduced .

本文设计的数字电液比例控制系统由控制手柄（电位器）、电控模块（ECU）、先导阀（比例减压阀）、多路换向阀和油缸组成。

The digital electro-hydraulic proportional control system , in the article , comprises of control handlebar ( electric potential device ), electronic control unit ( ECU ), pilot valve ( proportional decompression valve ), multiple-unit valve and oil cylinder .

本文对ZS-L25E多路换向阀进行了改造，增加了自动控制部分。

This discourse reconstruct the ZS-L25E multi-way valve , autocontrol part was added to the original valve .

应用计算流体动力学（CFD）技术，对纯水换向阀主阀内流道的流场进行动态仿真，并优化流道结构.对所研制的纯水换向阀进行静、动态试验和寿命试验。

After computational fluid dynamics ( CFD ) approaches were applied to simulate the flow in the main valve flow passage , the structure of flow passage was optimized after analyzing the results of simulation , and static test , dynamic test and life test were carried out .

介绍了水下作业工具用手动换向阀的设计及工作原理，分析了旋转换向阀的工作性能。实践证明该阀具有开关灵活、性能可靠等特点，现已用于300m潜水员作业工具中。

The design and operation principle of a hand switch change valve used for underwater operating tools are described and the working properties of the valve are analysed , The operating practice shows that the value is sensitive for switching and reliable in performance .

秦工生产的GIQ型气动高真空蝶阀是通过电磁换向阀改变气路方向，控制执行气缸驱动蝶阀作启闭运动。

GIQ pneumatic high vacuum butterfly valve uses solenoid directional valve to change the direction of air passage , and controls the actuating cylinder to drive the butterfly valve opened and closed .

蓄热式加热炉换向阀故障诊断与维护

Faults Diagnosis and Maintenance to Direction-Changing Valve of Regenerative Reheating Furnace

空调用四通换向阀的工作特性和换向性能分析

The Characteristic and Performance of Reversing Valve on Residential Air Conditioning

电液比例换向阀替代电液伺服阀的改进实践

Improvement Practice in Substituting Electro-hydraulic Proportional Direction-changeover Valve for Electro-hydraulic Servovalve

液压换向阀阀芯卡紧的分析研究

Research and Analysis on Valve Element Clutch of Hydraulic Diverter Valve

基于功率极限的换向阀性能与可靠性分析

Performance and Reliability Analysis of Inverter Valves Based on Power Limit

滑阀式超高压液压电磁换向阀静、动态分析

Finite Element Analysis of Spool Valve Type Ultra-high Pressure Solenoid Valve

新型节能电磁换向阀的动态分析

Dynamic analysis of a new type energy-saving solenoid directional control valve

多路换向阀复位弹簧的优化设计

Optimal Design of the Reset Spring used in Mutiple-Spool Control Valve

基于硬件冗余容错控制的换向阀改进设计

Improved Design of Reversing Valve Based on Hardware Redundancy Fault-tolerant Control