控制元件

In the system of the proportional technique of the electric-hydraulics, the proportional valve is an impossible component in the system of the proportional control, and the performance of the electric-machine conversion-component will affect the performance of the entire valve. So, the conversion-component used in the electric-machine plays an important role in the wholly system.

在电液比例控制系统中，比例阀是构成比例控制系统不可缺少的元件，而电—机转换元件的性能又会影响整个阀的性能，因此电—机转换元件的性能对整个系统的性能起着至关重要的作用。

According to More Effect,when the Hore component is placed in a gradient field,at the same time the direction of the current is perpendicular to the direction of the voltage,then between the two parallel side face come out the Hore voltage. When Hore component is set in this kind of uni-gradient magnetic field and the electric current is unchanged,the voltage output of Hore component will be proportional to the position of the Hore component in the magnetic field.

根据霍尔效应可知，置于磁场中的霍尔元件若电流方向与磁场方向垂直，则在霍尔元件垂直于磁场和电流方向的两个侧面将产生电势，将霍尔元件置于强度随空间位置线性变化的磁场中，且控制电流恒定，输出就正比于霍尔元件处于磁场中的位置，因此可以用霍尔元件来测量磁场与霍尔元件间的相对位移量。

The dimmer control circuit comprises: three-end bidirectional controllable silicon switch element, comprising grid and turned on by trigger signal of the grid, connecting to AC power supply through lamp load; and a first variable resistor, possessing adjustable resistance and regulating lamp brightness by following modes: changing resistance value of the first variable resistor, changing phase of the trigger signal corresponding to AC voltage waveform, prolonging or shortening turning-on time bucket of three-end bidirectional controllable silicon switch element, thereby changing current provided to the lamp load.

一种调光器及调光控制电路，该调光控制电路包括：三端双向可控硅开关元件，其通过灯负载连接到交流电源，其中，三端双向可控硅开关元件具有栅极，并且由输入到所述栅极的触发信号开启；以及第一可变电阻器，其具有可调节的电阻值，其中，通过以下方式来调节灯负载的亮度：改变第一可变电阻器的电阻值，改变所述触发信号相对于交流电压波形的相位，延长或缩短所述三端双向可控硅开关元件的开启时间段，从而改变了提供给所述灯负载的电流。

This issue is addressed by an inrush current limiter device for limiting inrushing current to a connectable load comprising: at least one switchable IGBT-based limiter unit for selectively limiting the inrushing current, having at least one current limiting conductor element for a limited leading of current and at least an IGBT-based switch whereby the IGBT-based switch is used as well as a controlled current limiter and as a by-pass element, and at least one control device for controlling the IGBT-based switch, whereby the control device comprises at least one IGBT-based switch supply and means for realizing smooth flanks of an output signal at the selected conductor element.

该问题通过用于限制针对可连接负载的浪涌电流的浪涌电流限制器设备解决，该浪涌电流限制器设备包括：至少一个可开关的基于IGBT的限制器单元，用于选择性地限制浪涌电流，其具有至少一个限流导体元件，用于有限引导电流，和至少一个基于IGBT的开关，其中基于IGBT的开关用作受控电流限制器和旁通元件，和至少一个控制设备，用于控制基于IGBT的开关，其中控制设备包括至少一个基于IGBT的开关电源和用于实现选定导体元件处的输出信号的平滑侧面的装置。

The present invention relates to an inrush current limiter device for limiting inrushing current to a connectable load comprising: at least one switchable IGBT (Insulated Gate Bipolar Transistor)-based limiter unit for selectively limiting the inrushing current, having at least one current limiting conductor element for limited leading of current, and at least an IGBT-based switch, whereby the IGBT(Insulated Gate Bipolar Transistor)-based switch (Q2) is used as well as a controlled current limiter and as a by-pass element, and at least one control device for controlling the IGBT-based switch, whereby the control device comprises at least one IGBT-based switch supply and means for realizing a smooth flank of an output signal at the selected conductor element.

本发明涉及一种用于限制针对可连接负载的浪涌电流的浪涌电流限制器设备，包括：至少一个可开关的基于IGBT的限制器单元，用于选择性地限制浪涌电流，其具有至少一个限流导体元件，该限流导体元件用于有限引导电流，和至少一个基于IGBT的开关，其中基于IGBT的开关(Q2)用作受控电流限制器和旁通元件，和至少一个控制设备，用于控制基于IGBT的开关，其中控制设备包括至少一个基于IGBT的开关电源和用于实现选定导体元件处的输出信号的平滑侧面的装置。

All of the structural materials in the active core zone, including the CEA guide tubes and the spacer grids, are Zircaloy, which minimizes the enriched uranium requirements of the core.

在反应堆芯区，包括控制元件组件管和定位栅格架，等所有材料是锆合金材料。锆合金可以极小化堆芯区中富铀的需求。

Proportional electromagnetic valve is an important element in hydraulic pressure systems.

比例电磁阀是液压系统中的一个重要控制元件。液压系统的运行特性很大程度上取决于比例电磁阀电磁执行器的特性。

The production ability of the UHT bacteria-killing machine series of our company is 1-30T/H. Its typical bacteria-killing temperature is 90-140℃,whose control units are adopted of international famous brand products including PLC procedure controller and project control screen, vapor decompression valve、 adjusting valve、 diffluence valve、 regulator valve、 material valve and clearing pumps.

本公司的UHT灭菌机系列生产能力1-30T/H，典型的灭菌温度为90-140℃，控制元件均采用国际名牌产品，包括PLC程控器及工控屏，蒸汽减压阀、调节阀、分流阀、稳压阀、物流阀、热水泵及清洗泵。

In this paper, a tooth for milling tenon electrical control of the entire process, electrical components will be used to achieve the milling work tenon tooth path of automatic and manual control, selected relay - access control systems to accomplish this purpose, it has the advantage of Line intuitive, are most commonly used electrical appliances, the replacement of convenience, cheaper prices, through repeated experiments and demonstration confirmed by the use of electrical components can accurately on a milling machine tenon teeth effective control of the machine tools to improve the control of a certain value .

本文研究了专用榫齿铣电气控制的全部过程，将利用电气元件来实现对榫齿铣工作路径的自动与手动控制，选用了继电-接触系统来完成这一控制目的，它的优点是线路直观，大部分电器均为常用电器，更换方便，价格较便宜，通过反复的实验与论证结果证实所用电气元件能准确对机床榫齿铣进行有效控制，对机床控制的改进有一定的参考价值。

Summary : Pressure relief valve and pressure reducing valve sometimes adjust to press out of order in the usage process , this is mainly because of block of damp finestra of the valve element or pilot valve .

溢流阀，减压阀这两种压力控制元件在液压设备中用处很广泛，溢流阀作用是调节系统压力，减压阀作用是减少某一支路的压力。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了