Built-in three-protect switch, when the vehicle a short circuit, low battery voltage or current is too large, tail plate overload occurs can effectively avoid the circuit or the motor burning. 内置三道保护开关,当汽车电路短路、电瓶电压偏低或电流偏大、尾板超载等情况出现时可有效避免造成电路或马达的烧毁。
The utility model relates to an epoxy paper glass cloth double-faced copper-clad plate, which is applied to the basic materials of different electronic devices, instruments and circuit boards. 本实用新型涉及一种环氧纸玻璃布双面覆铜板,用于各种电子设置、仪器仪表、电路板的基础材料。
The paper introduces measurements about dielectric constant and tangential loss angle of a group of good function and high frequency printed electronic circuit plate with microstrip circuit. 介绍了利用微带电路来确定一组高性能、高频印刷电路板材料的介电常数和损耗角正切的方法,且给出了一组印刷电路板材料的特性测量值。
The utility model relates to a two-polarity ultrasonic transducer, composed of a fastener, a reflecting plate, a piezocrystal, a sound direction output plate, and an oscillation amplifying circuit. 本实用新型涉及一种双极式超声波换能器,它由紧固件、反射板、压电晶体、单向输出板、振荡放大电路等组成。
B.3.3.2.1.4 titanium plate exchangers should be used in closed circuit systems where treated fresh water is exchanged with seawater. 在处理过的淡水和海水进行交换的闭路系统中,应使用钛板热交换器。
The practices prove that the interface plate and the control circuit are simple and reliable. 实践证明,本线路结构简单、工作可靠。
To perform this test, you need a fixture that positions a metal plate over the circuit under test. 为了完成这项测试,你需要将一个金属板放置到被测电路的上面。
For example, cooling water circulate constantly through the tuyere, hearth staves, bosh and inwall cooling plate etc. Measures for prolonging Service Life of the Soft Water Closed Circuit Circulation Cooling System for BF Cooling Stave 例如,冷却水不停地在风口、炉身、炉腹和内壁冷却板等部位循环流动。延长高炉冷却壁软水密闭循环冷却系统使用寿命的措施
The piezoelectric ceramic plate is connected with the drive circuit by a conducting wire, and the drive circuit is connected with the upper machine which controls the work of the lower machine. 压电陶瓷片通过导线与驱动电路连接,驱动电路与控制下位机工作的上位机连接;
The article introduces the general condition and energy saving effect of amorphous alloy transformer which compares to traditional silicon-steel plate transformer could reduce 70%~ 80% open circuit losses. 文章介绍了非晶合金变压器的概况及其节能效果,指出它比传统的硅钢片变压器可降低70%~80%的空载损耗。
Three-dimension coupled vibration of a thick rectangular plate and its equivalent circuit 矩形厚板的三维耦合超声振动及其等效电路
This paper reports experiment results of both polarization pattern and orientation diagram of electromagnetic wave radiated from corona discharge between needle plate electrodes in a loop circuit. 报告了环形回路中针&板电极电晕放电辐射电磁波的极化方式、方向图的实验结果。
The effect of circuit performance parameters on plate voltage stability, screen voltage stability and automatic brightness control are studied, and the developed circuit is compared with the external sample circuits in the main electric performances. 研究电路性能参数对微光管电源的板压稳定性、屏压稳定性和ABC(自动亮度控制)性能的影响。比较研制电路与国外样品电路在主要电性能方面的差异及优劣。
The purpose of this work is to synthesize hydrophilic photosensitive polymers which possess high photosensitivity and at the same time high water resistance to fulfill the requirements of making screen printing plate for manufacturing electronic circuit board and thick film for integrated circuit and so on. 研究了具有耐水性和高感光度的水性感光性高分子材料,该材料用于制作线路板和集成电路用的丝网印刷胶,并可用水显影,其工艺简单、无污染。
Processes which were used to plate metal on the walls of drilled holes in printed circuit boards long time ago have started to make use of so called(′ direct) electroplating ′ in order to get rid of expensive and complicated electroless metal deposition. 很久以前就有用于印制线路板通孔壁镀覆金属的工艺,现在这些工艺开始采用所谓的直接电镀方法以取代早先昂贵而又复杂的金属化学镀。
Distribution of electromagnetic field between plates and electric charge surface density and current surface density on plates of a parallel plate capacitor in alternating current circuit are calculated by Maxwell ′ s equations and boundary conditions, the results are discussed 应用麦克斯韦方程和边界条件,计算了交流电路中平行板电容器极板间的电磁场、极板电荷面密度和电流面密度的分布,并对结果进行了讨论
Axis symmetrical radial vibration of a thin annular plate with tapered section plane is studied and the equivalent circuit is derived by using electromechanical analogy method. Based on the circuit, the resonant frequency equation are obtained. 基于机电类比原理,给出了锥形剖面薄圆环形聚能器的轴对称径向振动等效电路,由等效电路得出了其径向共振频率方程。
The signal-acquisition part of this system adopts parallel plate capacitor, and measured signals are transformed into pulse frequency by capacitance-frequency transformation circuit, then transmitted in optical fibres, so this system has high speed, high precision and high resistance to interference. 该系统的信号检测部分采用平行极板结构电容器,将测得的信号用电容&频率变换电路转换成脉冲频率信号,然后利用光纤传输,因而系统具有高速、高精度、高抗干扰能力。
Principles of a kind of super high pressure axial piston pump, multistage valve plate distribution open circuit axial piston pump, were put forward and a two-stage prototype had been tested and studied so that validity of principles in theory and practice was proved. 本文提出了一种超高压轴向柱塞泵&多级串联端面配流全开路式轴向柱塞泵原理,并进行了双级泵的试验研究,从理论和实践上验证了其原理的正确性。
A square shape Hall plate was incorporated into the conditioning circuit. The absolute sensitivity of the Hall plate is around 704mV/ T at 3V bias voltage. 该电路采用了方形霍尔元件,绝对灵敏度为704mV/T;
Control method for classifying selectivity of tiltable plate classifier in wet closed circuit grinding of phosphate rock 湿法闭路磨矿斜板分级机分级选择性的生产控制方法
Distribution of electric charge and current on plates of a parallel plate capacitor in alternating current circuit 交流电路平行板电容器极板上电荷与电流的分布
Based on the analysis about the test requirements and the saturated magnetization of the armor plate, the excitation magnetic circuit satisfying the testing condition and a validation system are designed. 根据实验要求,通过对钢板达到饱和磁化的必要性进行的分析,设计了符合试验条件的励磁磁路,并设计了一套实验验证系统;
Ths paper relates the reasons that cause static electricity as well as the electron circuit plate. It also introduces anti-electrostatic packing of electron circuit plate and tests technology. 本文叙述了静电产生的原因及静电对电子线路板的危害,还介绍了电子线路板的防静电包装方案及检测技术。
Study of Laser Cutting Technology for Mica Plate as Special Circuit Substrate 特种电路基板云母片的激光切割工艺研究
A multi-polar plate capacitive displacement sensor is designed, and an corresponding testing system made up of oscillator circuit, diode loop detection circuit, low-pass filter and amplifier is manufactured. Displacement-output voltage property of the sensor is tested, and testing result is analyzed by regression method. 采用多极板电容结构设计了电容位移传感器,由振荡器电路、二极管环形检波电路、低通滤波器、放大器等组成测试系统,测试了此传感器的位移-输出电压特性,并对测试数据进行回归分析。
The calculation results of eddy current distributions in end structures, such as copper shield plate and retaining ring, under a no-load 3 phase sudden short circuit situation are presented. 得到了在三相空载突然短路情况下端部结构件(银屏蔽、转子护环等)中的瞬态涡流分布。
At the same time, the FIFO is designed by using the FPGA. Make full use of system resources, a reduction of the external circuit, and the plate for circuit debugging brought great convenience. And the system also helped improve the acquisition speed and integration. 同时,利用FPGA设计了先入先出存储器,充分利用系统资源,降低了外围电路的复杂度,为电路调试及制板带来了极大的方便,且提升了系统的采集速度和集成度。
According the results from experiment and observation, a set of assistance system is established which is composed of a piezoceramics plate and a capacitance feedback oscillator circuit. 根据实际观察和实验测试,设计实现了一套利用电容反馈式振荡电路和压电陶瓷震荡片构成的超声雾化辅助硬件系统。
Precious metal clad is widely used in contactors, relays, thermostats, timers, plate switches, circuit breakers and other electrical equipments. 贵金属复合带是一种广泛应用于接触器、继电器、温控器、计时器、板状开关、断路器以及电器大功率设备端子等的金属带。