WO2017101135A1 - 电磁制动器智能检测系统 - Google Patents

电磁制动器智能检测系统 Download PDF

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Publication number
WO2017101135A1
WO2017101135A1 PCT/CN2015/098326 CN2015098326W WO2017101135A1 WO 2017101135 A1 WO2017101135 A1 WO 2017101135A1 CN 2015098326 W CN2015098326 W CN 2015098326W WO 2017101135 A1 WO2017101135 A1 WO 2017101135A1
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data collector
electromagnetic brake
control module
plc control
engineering computer
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PCT/CN2015/098326
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English (en)
French (fr)
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李申
杨俊�
范小斌
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海安县申菱电器制造有限公司
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Publication of WO2017101135A1 publication Critical patent/WO2017101135A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators

Definitions

  • the utility model relates to an intelligent detecting system, which can detect changes of parameters such as rotation speed, torque, working voltage and working current under the braking state of the electromagnetic brake, thereby judging whether the result is qualified, and also saving and printing the test.
  • the report belongs to the technical field of brake performance testing.
  • the electromagnetic brake is an important component to ensure the smooth braking of the elevator.
  • the detection of the braking performance parameters is not only stricter, but also the inspection items are increasing, so the brake performance test can be developed.
  • the intelligent system becomes a vital task.
  • the purpose of the utility model is to solve the test problem of various indexes of the electromagnetic brake, and provide an intelligent detection system and a test method which are convenient to test and safe to use.
  • the utility model comprises a PLC control module, a frequency converter, a frequency conversion motor, a flywheel load mechanism, a speed torque sensor, an electromagnetic brake, a touch screen, a data collector, an engineering computer, a resistance meter, a programmable DC power source, the frequency converter and the frequency conversion motor a flywheel load mechanism, a rotational speed torque sensor, and an electromagnetic brake are sequentially connected, wherein the touch screen, the frequency converter, and the variable frequency motor are respectively connected to the PLC control module, and the data collector is connected to the PLC control module, the engineering computer Connected to the data collector, the programmable DC power source is respectively connected to the PLC control module, the data collector, and the engineering computer, and the speed torque sensor is connected to the data collector, and the resistors are respectively associated with The data collector is connected to the engineering computer, and a current sensor and a voltage sensor are connected to the data collector.
  • the utility model connects a printer and a display on the engineering computer.
  • the frequency converter of the utility model connects and drives the variable frequency motor, thereby simulating the high-speed running state under the rated working condition of the elevator device;
  • the flywheel load device can simulate the load magnitude under the rated working condition of the elevator device;
  • the programmable direct current The power supply not only can supply electric energy to the electromagnetic brake, but also can detect the minimum pull-in voltage and the maximum release voltage of the brake by adjusting the change of the output voltage;
  • the touch screen is connected with the PLC and displays the parameter index; the simulation of the data collector
  • the quantity port collects the speed pulse signal, the torque signal, the current signal and the voltage signal and performs calculation, and the information exchange can be performed between the PLC and the engineering computer.
  • the frequency converter drives the variable frequency motor to run at a high speed, and the output of the motor speed can be adjusted through the PLC and the touch screen.
  • the flywheel load mechanism acts as a load simulation.
  • the coil voltage of the electromagnetic brake is provided by the programmable DC power supply.
  • the power supply circuit can be controlled and controlled by the PLC and the data collector at the same time.
  • the voltage output of the power supply can be adjusted and controlled by the engineering computer.
  • the voltage and current signals can be collected by the voltage sensor and the current sensor.
  • the speed and torque signals can be collected by the speed torque sensor, and the signals are transmitted to the data collector and transmitted to the engineering computer after calculation. .
  • the resistance meter tests the coil resistance of the brake and transmits the result to the engineering computer.
  • the utility model has high intelligence degree, reliable test precision and convenient use, and the system can perform centralized detection of the previously distributed test items, and realize all test items on one test device, greatly improving Production efficiency.
  • Figure 1 is a schematic view of the structure of the present invention
  • Fig. 3 is a flow chart showing the test of the rotational speed, torque, voltage and current in the state of high-speed loading of the electromagnetic brake.
  • the electromagnetic brake intelligent detection system includes PLC control module 1, frequency converter 3, variable frequency motor 4, flywheel load mechanism 5, rotational speed torque sensor 6, electromagnetic brake 7, touch screen 2, data collector 8, Engineering computer 10, resistance meter 11 programmable DC power supply 9, inverter 3, variable frequency motor 4, flywheel load mechanism 5, speed torque sensor 6, electromagnetic brake 7 are connected in turn, touch screen 2, inverter 3, frequency conversion motor 4 respectively
  • PLC control module 1 is connected
  • data collector 8 is connected with PLC control module 1
  • engineering computer 10 is connected with data collector 8
  • programmable DC power supply 9 is connected with PLC control module 1, data collector 8, engineering computer 10, respectively.
  • the torque sensor 6 is connected to the data collector 8.
  • the resistor 11 is connected to the data collector 8 and the engineering computer 10, and the current sensor 12 and the voltage sensor 13 are connected to the data collector 8.
  • the printer 14 and the display 15 are connected to the engineering computer 10.
  • the data collector 8 controls the programmable DC source 9 circuit to be turned on, at which time the electromagnetic brake 7 is in the rated voltage working state;
  • the engineering computer 10 controls the voltage output of the programmable DC power supply 9 to become 20V, and then decreases at a speed of 0.5V/s until the electromagnetic brake 7 changes from the suction state to the braking state, and the voltage sensor 13 collects the current state. a voltage signal and transmitted to the data collector 8;
  • the engineering computer 10 controls the voltage output of the programmable DC power supply 9 to become 50 V, and then rises at a speed of 0.5 V/s. Until the electromagnetic brake 7 changes from the braking state to the absorbing state, the voltage sensor 13 collects the voltage signal at this time and transmits it to the data collector.
  • test procedures for speed, torque, voltage and current of the brake under high-speed loading are as follows:
  • variable frequency motor 4 starts to accelerate to the speed setting value under the driving of the frequency converter 3;
  • the PLC control module 1 controls the inverter motor 4 and the electromagnetic brake 7 to be powered off at the same time, and the electromagnetic brake 7 is in the braking state;
  • the rotational speed torque sensor 6, the voltage sensor 13, and the current sensor 12 start to collect changes in the rotational speed, torque, voltage, and current signals during the entire braking process over time, and transmit the result to the data collector 8;
  • test data meets the requirements. If the requirements are met, the test data is generated and saved for later printing; if the requirements are not met, the brakes are reworked or scrapped.

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  • Control Of Ac Motors In General (AREA)
  • Control Of Electric Motors In General (AREA)

Abstract

电磁制动器智能检测系统，涉及一种智能检测系统。包括PLC控制模块、变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器、触摸屏、数据采集器、工程计算机、电阻仪、可编程直流电源，变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器依次连接，触摸屏、变频器、变频电机分别与PLC控制模块连接，数据采集器与所述PLC控制模块连接，工程计算机与数据采集器连接，可编程直流电源分别与PLC控制模块、数据采集器、工程计算机连接，转速转矩传感器与数据采集器连接，电阻仪分别与数据采集器、工程计算机连接，在所述数据采集器上连接电流传感器、电压传感器。智能化程度高，测试精度可靠，使用方便，生产效率提高。

Description

电磁制动器智能检测系统 技术领域
本实用新型涉及一种智能检测系统，可以检测出电磁制动器的制动状态下的转速、转矩、工作电压、工作电流等参数的变化，以此判断结果是否合格，同时还可以保存并打印测试报告，属于制动性能测试技术领域。
背景技术
目前，随着电梯安全性能的逐步提高，电磁制动器作为保证电梯平稳制动的重要部件，其制动性能参数的检测不仅愈加严格，而且检测的项目也不断增加，因此开发出能够实现制动器性能检测的智能系统成为一项至关重要的任务。
实用新型内容
本实用新型的目的是为解决电磁制动器各项指标的测试问题，提供一种测试方便、使用安全的智能检测系统以及测试方法。
本实用新型包括PLC控制模块、变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器、触摸屏、数据采集器、工程计算机、电阻仪、可编程直流电源，所述变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器依次连接，所述触摸屏、变频器、变频电机分别与所述PLC控制模块连接，所述数据采集器与所述PLC控制模块连接，所述工程计算机与所述数据采集器连接，所述可编程直流电源分别与所述PLC控制模块、数据采集器、工程计算机连接，所述转速转矩传感器与所述数据采集器连接，所述电阻仪分别与所述数据采集器与所述工程计算机连接，在所述数据采集器上连接电流传感器、电压传感器。
本实用新型在所述工程计算机上连接打印机、显示器。
本实用新型所述变频器连接并驱动变频电机，从而模拟出电梯装置额定工况下的高速运行状态；所述飞轮负载装置可以模拟出电梯装置额定工况下的负载大小；所述可编程直流电源不仅可以给电磁制动器提供电能，而且可以通过调节其输出电压的变化检测出制动器的最小吸合电压与最大释放电压；所述触摸屏与PLC通信连接并显示参数指标；所述数据采集器的模拟量端口采集转速脉冲信号、转矩信号、电流信号、电压信号并进行运算，且其与PLC、工程计算机之间均可进行信息交换。
本实用新型工作时，变频器驱动变频电机高速运行，电机转速的输出可通过PLC与触摸屏进行调节。飞轮负载机构起负载模拟作用。电磁制动器的线圈电压由可编程直流电源提 供，电源电路的通断可同时由PLC和数据采集器控制，电源的电压输出可通过工程计算机进行调节控制。电磁制动器工作过程中，电压、电流信号可通过电压传感器与电流传感器进行采集，转速与转矩信号可通过转速转矩传感器进行采集，信号传递到数据采集器中经过运算后便传输至工程计算机中。电阻仪测试出制动器的线圈电阻后将结果传输到工程计算机中。
采用上述方案，本实用新型智能化程度高，测试精度可靠，使用方便，而且通过该系统可以将以往分散式的测试项目进行集中检测，实现在一台测试装置上完成所有测试项目，极大地提高了生产效率。
附图说明
图1为本实用新型的一种结构示意图；
图2是电磁制动器电阻、最大释放电压、最小吸合电压测试时的流程图；
图3是电磁制动器高速带载状态下的转速、转矩、电压、电流测试时的流程图。
具体实施方式
如图1所示，本电磁制动器智能检测系统，包括PLC控制模块1、变频器3、变频电机4、飞轮负载机构5、转速转矩传感器6、电磁制动器7、触摸屏2、数据采集器8、工程计算机10、电阻仪11可编程直流电源9，变频器3、变频电机4、飞轮负载机构5、转速转矩传感器6、电磁制动器7依次连接，触摸屏2、变频器3、变频电机4分别与PLC控制模块1连接，数据采集器8与PLC控制模块1连接，工程计算机10与数据采集器8连接，可编程直流电源9分别与PLC控制模块1、数据采集器8、工程计算机连接10，转速转矩传感器6与数据采集器8连接，电阻仪11分别与数据采集器8、工程计算机10连接，在数据采集器8上连接电流传感器12、电压传感器13。在工程计算机10上连接打印机14、显示器15。
参阅图2，制动器电阻、最大释放电压、最小吸合电压测试过程描述如下：
(1)通过数据采集器8控制电阻仪11正常工作，检测出电磁制动器7电阻后将结果传输到工程计算机10中，此时数据采集器8再次控制电阻仪11停止工作；
(2)数据采集器8控制可编程直流源9电路接通，此时电磁制动器7便处于额定电压工作状态；
(3)工程计算机10控制可编程直流电源9的电压输出变为20V，再以0.5V/s的速度下降，直至电磁制动器7由吸合状态变为制动状态，电压传感器13采集此时的电压信号，并传输至数据采集器8中；
(4)工程计算机10控制可编程直流电源9的电压输出变为50V，再以0.5V/s的速度上升， 直至电磁制动器7由制动状态变为吸合状态，电压传感器13采集此时的电压信号，并传输至数据采集器中。
参阅图1与图3，制动器高速带载状态下的转速、转矩、电压、电流测试过程描述如下：
(1)在触摸屏中设置变频电机4的转速以及电磁制动器7的制动时间；
(2)变频电机4在变频器3的驱动下开始加速运行至转速设定值；
(3)变频电机4转速达到设定值后，PLC控制模块1便控制变频电机4与电磁制动器7同时断电，此时电磁制动器7便处于制动状态；
(4)转速转矩传感器6、电压传感器13以及电流传感器12开始采集整个制动过程中的转速、转矩、电压、电流信号随时间的变化，并将结果传输至数据采集器8中；
(5)判断检测数据是否达到要求，若符合要求则将测试数据生成报告并保存，以供后期打印；若不符合要求则将制动器进行返工或报废处理。

Claims (2)

  1. 电磁制动器智能检测系统，其特征在于包括PLC控制模块、变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器、触摸屏、数据采集器、工程计算机、电阻仪、可编程直流电源，所述变频器、变频电机、飞轮负载机构、转速转矩传感器、电磁制动器依次连接，所述触摸屏、变频器、变频电机分别与所述PLC控制模块连接，所述数据采集器与所述PLC控制模块连接，所述工程计算机与所述数据采集器连接，所述可编程直流电源分别与所述PLC控制模块、数据采集器、工程计算机连接，所述转速转矩传感器与所述数据采集器连接，所述电阻仪分别与所述数据采集器、所述工程计算机连接，在所述数据采集器上连接电流传感器、电压传感器。
  2. 根据权利要求1所述的电磁制动器智能检测系统，其特征在于在所述工程计算机上连接打印机、显示器。
PCT/CN2015/098326 2015-12-18 2015-12-22 电磁制动器智能检测系统 WO2017101135A1 (zh)

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CN107607870A (zh) * 2017-09-21 2018-01-19 珠海凯邦电机制造有限公司 一种电机运转性能检测系统
CN108344942A (zh) * 2017-11-28 2018-07-31 广东奥瑞特新能源设备科技有限公司 一种搅拌设备转速及电流检测装置
CN111551854A (zh) * 2020-06-15 2020-08-18 北京航天发射技术研究所 一种交流电机驱动系统再生制动能力测试装置和方法
CN112444746A (zh) * 2019-09-03 2021-03-05 西安航兴海拓电子科技有限公司 一种电机综合测试系统
CN114720871A (zh) * 2022-03-23 2022-07-08 台州市产品质量安全检测研究院 一种无接触式电机制动时间测量装置

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CN106197987A (zh) * 2016-08-27 2016-12-07 安徽合力股份有限公司 一种电磁制动器疲劳试验装置
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CN107607870A (zh) * 2017-09-21 2018-01-19 珠海凯邦电机制造有限公司 一种电机运转性能检测系统
CN108344942A (zh) * 2017-11-28 2018-07-31 广东奥瑞特新能源设备科技有限公司 一种搅拌设备转速及电流检测装置
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CN112444746B (zh) * 2019-09-03 2024-03-19 西安航兴海拓电子科技有限公司 一种电机综合测试系统
CN111551854A (zh) * 2020-06-15 2020-08-18 北京航天发射技术研究所 一种交流电机驱动系统再生制动能力测试装置和方法
CN114720871A (zh) * 2022-03-23 2022-07-08 台州市产品质量安全检测研究院 一种无接触式电机制动时间测量装置

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