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MDR-SCD-10-L 捞渣机断链保护器

产品名称/Product Name:捞渣机断链保护器/Chain breaking protector for dredger

环境温度/Ambient temperature-20℃~65℃

对湿度/Relative humidity≤95%(25℃时)
电源/Source单相 220V、50HZ/Single phase 220V, 50HZ
输出接口/Output Interface无源接点、AC220V/5A/Passive Contact, AC220V/5A
周围介质/Peripheral Media无易燃易爆、无腐蚀性介质的场所/Places without flammable, explosive or corrosive media

基本介绍/Basic introductionMDR-SCD-10-L 捞渣机断链保护器是针对各场景中捞渣机的电机有从动轴的设备而开发设计的。捞渣机正常工作时,其从动轴随主动轴一同旋转,从动轴保持某一转速,当断链、断带、打滑等故障发生时,其从动轴转速大辐下降甚至为零。捞渣机断链保护器监测从动轴转速,当从动轴转速于设定值(从动轴正常转速的80)时,断链保护器动作,输出一开关信号,用于控制驱动电机停止运行,从而保护设备,并发出声光警示,提示操作人员处理故障。

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       MDR-SCD-10-L 捞渣机断链保护器内置接近开关,本开关转动轴插入传动轴内,搅拌机的轴起转动,然后通过接近开关感应到的开关量信号输入到PLC中,也可以直接用复位器控制,本产品对搅拌机的电机及机械传动装置常出现的堵转、卡转、超载、慢转,链条打滑、传动链(带)脱落、传动轴断裂等电气及工艺出现的故障均能有效及时的处理,发出开关量信号。

       The MDR-SCD-10-L slag salvage machine break chain protector has built-in proximity switch. The switching shaft is inserted into the drive shaft, the shaft of the mixer starts to rotate, and then the signal of the switch sensed by the proximity switch is input into the PLC. It can also be directly controlled by the reset. This product blocks, jams, turns, overloads, slow turns, slips of the chain, drops off of the drive chain (belt), etc. Faults in electrical and technological fields such as broken transmission shaft can be handled effectively and promptly, and the signal of switch quantity can be sent out.

捞渣机断链保护器工作原理
捞渣机断链保护器组成:

       MDR-SCD-10-L 捞渣机断链保护器主要由SCD-1速度传感器和保护器组成。SCD-1速度传感器为一电磁感应式脉冲信号发生器。SCD-1速度传感器安装于捞渣机从动轴上,随从动轴一起旋转,将从动轴的旋转速度信号变换成脉冲信号,脉冲信号的频率与从动轴的转速成正比。SCD-1速度传感器是一脉冲频率检测器,安装于捞渣机的就地电控箱或集控室内。SCD-10断链保护器接收速度传感器的信号,并检测脉冲信号的频率,当脉冲信号频率低于设定值时,SCD-10断链保护器动作,输出一开关信号,用于控制驱动电机停止运行,从而保护设备。SCD-10断链保护器动作后会自锁,此时即使速度传感器有正常脉冲信号输入,保护器也处于报警保护状态,短按复位键,让保护器复位。

Chain breaking protector for slag dredger:

        The chain breaking protector of MDR-SCD-10-L dredger is mainly composed of SCD-1 speed sensor and protector. The SCD-1 speed sensor is an electromagnetic induction pulse generator. The SCD-1 speed sensor is mounted on the slag dredger's follower shaft and rotates with the follower shaft. The speed signal of the follower shaft is transformed into a pulse signal. The frequency of the pulse signal is proportional to the speed of the follower shaft. The SCD-1 speed sensor is a pulse frequency detector, which is installed in the in-place electronic control box or centralized control room of the slag dredger. The SCD-10 break-chain protector receives the signal from the speed sensor and detects the frequency of the pulse signal. When the frequency of the pulse signal is lower than the set value, the SCD-10 break-chain protector acts and outputs a switch signal to control the driving motor to stop running, thus protecting the device. The SCD-10 chain breaker will lock itself when it operates. At this time, even if the speed sensor has normal pulse input, the protector is in alarm protection state. Short press the reset key to reset the protector.


捞渣机
断链保护器工作原理:

       捞渣断链保护器安装在被传动轴旁,被传动轴装有检测片。当电动机运转时,通过传动装置驱使被传动轴转动,被传动轴上的检测片也随之转动。旋转探测仪接收到检测片的均匀间隔脉冲信号,此时旋转探测仪为闭合状态,通过串接中间继电器的自保触头使交流接触器吸合,交流接触器主触头闭合使电机转动。当设备发生卡转,堵转、皮带打滑、传动带脱落故障时,被传动轴将慢转或停转,此时检测片也随之慢转或停转,断链保护器将接收不到检测片的均匀间隔脉冲信号。在工艺时间内(5秒)未接收到转动信号,旋转探测仪将由闭合状态转为断开,中间继电器也断开,交流接触器断开及时停机,可靠的保护设备(此产品接收检测片转动信号与电机大小无关)。


Work principle of chain breaker protector for dredger:

        The chain breaker protector of the slag dredger is installed next to the drive shaft, and the drive shaft is equipped with a check piece. When the motor is running, the drive shaft is driven to rotate by the drive device, and the detection chip on the drive shaft is also rotated. The rotating detector receives the uniform interval pulse signal of the detection chip. At this time, the rotating detector is closed. The AC contactor is sucked up by connecting the self-protecting contacts of the intermediate relay in series. The main contacts of the AC contactor are closed to make the motor rotate. When the device is jammed, blocked, belt slipped, and the drive belt falls off, the drive shaft will rotate or stop slowly. At this time, the test piece will also rotate or stop slowly, and the chain breaker protector will not receive the uniform interval pulse signal of the test piece. During the process time (5 seconds) no rotation signal is received, the rotation detector will change from closed state to disconnected, the intermediate relay will also be disconnected, the AC contactor will be disconnected and shut down in time, reliable protection equipment (this product receives the rotation signal of the detection chip independent of the size of the motor).


环境温度/Ambient temperature-20℃~65℃

对湿度/Relative humidity≤95%(25℃时)
电源/Source单相 220V、50HZ/Single phase 220V, 50HZ
输出接口/Output Interface无源接点、AC220V/5A/Passive Contact, AC220V/5A
断链保护器工作制/Chain Break Protector Working System24 小时工作制/24-hour working system
周围介质/Peripheral Media无易燃易爆、无腐蚀性介质的场所/Places without flammable, explosive or corrosive media

调试方法/Debugging Method
1、安装好保护器和速度传感器,按图接好线后,检查接线无误。/Install the protector and speed sensor and check if the wiring is correct after connecting according to the diagram.

2、接通电源,启动主机,约 15 秒后待设备速度正常后,按住设定/复位键2秒,指示灯闪烁,断链保护器进入智能设定状态,设定完成后自动进入运行状态。/Switch on the power supply and start the host machine. After about 15 seconds, wait for the device speed to be normal, press and hold the setting/reset key for 2 seconds, the indicator flashes, the chain breaker protector enters the intelligent setting state, and automatically enters the running state after the setting is completed.


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