The utility model relates to a circuit switch, in particular to be used for controlling and switching street lamps.
本实用新型涉及一种电路开关，特别是用于路灯控制和开关。
In the Stage of R4, ATM and IP become main medium of circuit switch instead of TDM, which make codec modes of core network more agility.
在R4阶段，ATM和IP承载渐渐取代TDM承载成为电路域的主要传播媒介，这两类传输媒介的引入使得核心网采用的编解码方式更加的灵活。
The main electrical circuit adopts the diode thyristor (SCR) contactless switch, to make sure the circuit switch time rapidly, accurately.
电气主回路采用二极管可控硅无触点开关，电路开关时间迅速，准确。
The invention further provides an ultrasonic thickness gauge, comprising a circuit switch circuit among the emission circuit, the receiving circuit and the probe sockets.
本发明还提供一 种超声测厚仪，该超声测厚仪包括通路切换电路，设置在发射电路和接收电 路与探头插座之间。
With the progress of telecommunication technology, PSTN based on circuit switch technology is carrying out the transition to the Next Generation Network (NGN) increasingly.
随着电信技术的进步，基于电路交换技术的PSTN正逐步向下一代网络（NGN）过渡。
The Digital Program Control Switch System, which based on the circuit switch, is still the main means of telecommunication field and plays an important role in the telecom network system.
以电路交换为基础的程控交换技术在当前的通信网中占有重要比重，它仍是当前通信的主要手段和研究内容。
Then they switch into another system called the temporal parietal junction system, which allows them to start Google-searching their entire brain circuit for ways to fix the problem.
然后他们会转换到另一个叫做颞部顶骨连接部位的系统，在那里他们会在整个大脑电路里展开google式搜索，来寻找解决问题的方法。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
The switch closes the contacts and complete the circuit.
这个开关可使接触器接通电流形成回路。
Analysis and research were done for the trigger energy and time delay characteristics in the triggering process, using the energy storage and pulse formation trigger circuit to switch on the TVS.
本文采用辅助高压击穿与能量续流的触发电路来导通真空触发开关tvs，对触发过程中的触发能量和时延特性进行了分析和研究。
This paper introduces a new pulse modulator which USES VMOSFET as high voltage switch, describes its characteristics, operating principle and circuit design.
本文介绍一种以VMOSFET为高压开关的新型脉冲调制器，叙述其特点、工作原理及电路设计。
Sensor module is composed of sensor circuit, modulation circuit and analog signal switch.
传感模块由传感器电路、调制电路和模拟信号开关组成。
The model considers the dynamics of converter switch circuit and can be applied in the analysis for high frequency dynamic characteristics.
该模型考虑了换流器开关电路的动态特性，适用于高频动态特性分析。
The operation mode of the circuit is analyzed and the condition of how to achieve soft switch is discussed, how to design the parameters of the snubber is presented as well.
对电路进行了工作模态分析，对于软开关的实现条件进行了讨论，给出了无源无损软开关环节参数的设计原则。
Pressure limit switch circuit is cut off, stop, and then closing, the hook can only decrease.
压下限位开关，切断电路停车，再合闸时，吊钩只能下降。
The safety switch can be an electrical switch that opens the control circuit if the car is in gear.
安全开关可以是一种电子开关，当汽车挂挡后，它断开控制电路。
When the arm runs to the upper and lower two limit position, respectively press the lower limit switch, cut off the main control circuit, variable amplitude motor parking, to limit the role.
当臂杆运行到上下两个极限位置时，分别压下限位开关，切断主控电路，变幅电机停车，达到限位的作用。
Use relays, contactor, button, air switch and travel switch etc low-voltage constitute control circuit called relay contact control circuit.
使用继电器、接触器、按钮、空气开关、行程开关等低压电器构成的控制电路称为继电接触控制电路。
In that case, poor control room indicators led plant officials to switch off the circuit which would have cooled the reactor core.
在这起事故中，低劣的控制室指示器指引电站工作职员封闭了为反应堆芯堆降温的回路。
Ir measurements often involve multiple conductors, so a switching system is often required to switch the picoammeter and the source to all the conductors in the test circuit.
由于IR测量往往涉及到多芯导线，所以通常需要一套切换系统来将皮安计和源切换至测试电路中的所有导线。
It is a switch capacitor circuit which consists of the preamplifier and dynamic latch.
比较器是前置放大器与动态锁存器组成的开关电容电路。
The feedback circuit employs a GaAs photoconductive switch, which has simple structure and reliable performance.
光电反馈线路采用普通的砷化镓光电导开关，具有结构简单、性能可靠的优点。
The operation procedures to move the withdrawable circuit breaker in and out of the compartment are as same as that for withdrawable circuit breaker without earthing switch.
手车推入柜内或手车从柜内退出的操作程序与无接地开关之断路器的操作是完全相同的，固不再繁述。
In the design, to produce circuit TL494 as a PWM output control signals, control of the on-switch situation, the half-bridge flyback output on the basis of the power of multi-output.
在设计中，以TL 494作为PWM产生电路输出控制信号，控制开关管的导通状况，在半桥反激式输出的基础上实现了电源的多路输出。
Closure operation of binary relation plays an important role in network, parsing and detection and diagnosis of malfunction in switch circuit.
二元关系的闭包运算在网络、语法分析以及开关电路中的故障检测和诊断等领域有着重要的作用。
The internal circuit, the lamp is designed to prevent overcharge, over discharge, short circuit protection device and the switch function of anti misoperation.
灯具内部电路设计具有防止过充、过放、短路保护装置及开关防误操作功能。
ZVS is achieved for each main switch without any auxiliary circuit. Voltage stress of each main switch is a half of input voltage.
每个主开关电压应力是输入电压的一半，并且全范围实现ZVS而不用附加任何电路。
ZVS is achieved for each main switch without any auxiliary circuit. Voltage stress of each main switch is a half of input voltage.
每个主开关电压应力是输入电压的一半，并且全范围实现ZVS而不用附加任何电路。
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