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。
The output end of the multiplying circuit is connected with the demisting control switch through the relay or the output circuit. 乘法电路的输出端通过继电器或输出电路连接除雾控制开关。
It can control the stepper motor to change the pressure of the relay, and the A/ D circuit samples the signal of the pressure sensor and then acquires the lock or alarm value after processing. 该校验仪通过步进电机对密度继电器压力进行调节,并通过模数转换电路采集压力传感器的输出,实现对密度继电器报警及闭锁压力的测量。
Repair the trans control relay output circuit shorted to OD pressure switch sense circuit. 维修短路到OD压力开关感知电路的变速控制继电器输出电路。*
The Control section of relay is adopted the welding structure of printed circuit board, it reduces wiring of control box, improves reliability of electric control. 继电器控制部分采用印刷板焊接结构,减少了控制箱的接线,提高了电器控制的可靠性。
The article analyses control circuit of relay contactor in electric circuit experiment and puts forward to control it with logic function. 对电路实验中继电接触器控制线路进行了研究分析,并提出由逻辑函数实现其控制的方法。
The intermittent control of wipers is related to the control switch, control relay and its control mode of the wiper's operating circuit. 刮水器间歇控制与刮水器控制开关、刮水间歇控制继电器及其在刮水器工作电路中的控制方式有关。
At present the control and protection of relay of electromotor uses combined circuit, which has the limitation of weak control and faulty protecting function. 目前电动机的控制及保护的采用的组合式电路存在控制功能不强、保护功能不完善的缺陷。
Coordination between breaker control circuit and relay protection control circuit 断路器操动机构与继电保护控制回路的协调与配合
In order to enhancing the self-protection of the starting circuit and reducing interference in intelligent chip of control circuit while relay starts, this paper improves the ordinary program of starting circuit of bipolar powerful magnetic self-perpetuating relay. 为了从硬件上增加起动电路的自我保护,减少继电器起动时对控制电路中智能芯片的干扰,对双极性大功率磁保持继电器起动电路的常见方案进行了改进。
And for control circuit, traditional relay control circuit should be replaced with micro-electronic control module so that branching switch machine can be directly transferred and reliability and safety of hump signal control be ensured. 而对控制电路则提出了采用微电子控制模块替代传统继电式控制电路,直接完成分路道岔转辙机转换达到提高驼峰信号控制的可靠性和安全性方法。
This paper main research on computer control and detection technique for electric life testing of AC relay. It includes the main circuit, the computer control and detection circuit, the time sequence of the control. 本文主要研究交流继电器电寿命试验的微机控制与检测技术,包括试验主电路、计算机控制与检测电路、控制时序。
For the tumbling loop, the servo actuator adopts three-position relay control fashion to make the loop be stable by using the relay control circuit, the three-position and five-passage valve and the gas amplification device. 对于滚转稳定回路,采用三位置继电控制舵,通过继电放大器、三位五通阀和气动放大器来控制舵面的偏转,以此来实现滚转稳定。
This paper shows a real improvement example of CNC machine control relay circuit. The improvement is based on the reliability analysis to fit the high reliability requirement. 文章结合CNC机床继电器电路改造实例,介绍了以满足大批量连续生产设备的高可靠性要求为目标,在可靠性分析的基础上合理选择方案和改造设备继电器控制线路的思路和过程。
Micro-electronic intelligent control modules are used to substitute for traditional relay interlocking control circuits to realize control of signals, switch machine, car retarder, and identification of status of track circuit sections. 采用微电子智能控制模块替代传统的继电器控制电路,实现对信号机、转辙机、车辆减速器的控制和轨道电路区段状态的识别。
Since twenty-one century, a great development of low-voltage apparatus in technology and function has appeared, electronic and intelligent control was widely used in relay, contactor and circuit breaker. 21世纪以来,低压电器在技术上和功能上都有了很大的发展,各种继电器、接触器和断路器已经普遍采用了电子和智能控制。
For double track railway, the train movement control system our country has can realize station and section integrative control. For the single track railway section, the station and section still use relay circuit controling. 对于复线铁路,列车运行控制系统能够实现车站区间一体化控制,对于单线铁路,仍然采用继电电路实现车站区间控制。