CN105388419B - A kind of electrical machinery life intelligent test method - Google Patents
A kind of electrical machinery life intelligent test method Download PDFInfo
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Abstract
本发明公开了一种电机寿命智能测试方法，首先，通过一电源箱给各个被测电机提供电源，通过一控制箱对各个磁粉制动器及被测电机进行控制，以模拟出各个被测电机的各种运行状态；其次，测试仪从电源箱获得各个被测电机的电压和电流参数，从转矩转速测量仪获得各个被测电机的转矩、转速，从控制箱获得各个被测电机的运行状态；然后，测试仪对各个被测电机的电压和电流参数进行处理获得各个被测电机的输入功率和输出功率；最后，测试仪的显示屏对被测电机的测试状态参数进行显示。本发明可以对电机复杂的负载寿命测试进行循环模拟试验，更加接近实际环境，测试数据可以直观在测试仪的显示屏进行实时显示。
The invention discloses an intelligent test method for motor life. Firstly, a power supply box is used to provide power to each motor under test, and a control box is used to control each magnetic powder brake and the motor under test to simulate each motor under test. Secondly, the tester obtains the voltage and current parameters of each tested motor from the power box, obtains the torque and speed of each tested motor from the torque speed measuring instrument, and obtains the running status of each tested motor from the control box ; Then, the tester processes the voltage and current parameters of each tested motor to obtain the input power and output power of each tested motor; finally, the display screen of the tester displays the test state parameters of the tested motor. The invention can carry out cycle simulation test on the complex load life test of the motor, which is closer to the actual environment, and the test data can be visually displayed on the display screen of the tester in real time.
Description
技术领域technical field
本发明涉及电机技术，尤其涉及电机寿命测试技术。The invention relates to motor technology, in particular to motor life testing technology.
背景技术Background technique
现有的电机寿命测试设备有很多种，但一般为恒定扭矩负载，与电机实际的复杂运行环境存在很大区别，而且需要人工进行数据采集，进行24小时监测，不仅不够方便，而且因此测试会存在较大的误差，影响新品开发进度。There are many kinds of existing motor life testing equipment, but generally they are constant torque loads, which are quite different from the actual complex operating environment of the motor, and manual data collection and 24-hour monitoring are required, which is not only inconvenient, but also the test will There are large errors, which affect the progress of new product development.
发明内容Contents of the invention
本发明所要解决的技术问题就是提供一种电机寿命智能测试方法，可以模拟电机实际的复杂运行环境，方便准确的进行电机寿命测试。The technical problem to be solved by the present invention is to provide an intelligent test method for motor life, which can simulate the actual complex operating environment of the motor, and conduct the motor life test conveniently and accurately.
为解决上述技术问题，本发明采用如下技术方案：一种电机寿命智能测试方法，包括如下步骤：In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions: an intelligent test method for motor life, comprising the following steps:
首先，通过一电源箱给各个被测电机提供电源，通过一控制箱对各个磁粉制动器及被测电机进行控制，以模拟出各个被测电机的各种运行状态；First, a power supply box is used to provide power to each motor under test, and a control box is used to control each magnetic powder brake and the motor under test to simulate various operating states of each motor under test;
其次，测试仪从电源箱获得各个被测电机的电压和电流参数，从转矩转速测量仪获得各个被测电机的转矩、转速，从控制箱获得各个被测电机的运行状态；Secondly, the tester obtains the voltage and current parameters of each tested motor from the power box, obtains the torque and speed of each tested motor from the torque speed measuring instrument, and obtains the running status of each tested motor from the control box;
然后，测试仪对各个被测电机的电压和电流参数进行处理获得各个被测电机的输入功率和输出功率，同时测试仪进行智能控制，将被测电机的运行状态稳定在设定状态；Then, the tester processes the voltage and current parameters of each tested motor to obtain the input power and output power of each tested motor, and at the same time, the tester performs intelligent control to stabilize the running state of the tested motor at the set state;
最后，测试仪的显示屏对被测电机的测试状态参数进行显示，被测电机的测试状态参数包括电压、电流、输入功率、转矩、转速、输出功率、当前状态、累计循环、运行时间、累计时间。Finally, the display screen of the tester displays the test state parameters of the motor under test. The test state parameters of the motor under test include voltage, current, input power, torque, speed, output power, current state, cumulative cycle, running time, cumulative time.
优选的，所述被测电机上安装有温度传感器，所述温度传感器与测试仪连接，所述温度传感器测得的温度值在测试仪的显示屏上进行显示。Preferably, a temperature sensor is installed on the motor under test, the temperature sensor is connected to the tester, and the temperature value measured by the temperature sensor is displayed on the display screen of the tester.
优选的，所述测试仪设有报警装置，如果任意一台被测电机的电压、电流、输入功率、转速值任意一项参数超过设定值，所述报警装置进行报警。Preferably, the tester is provided with an alarm device, and if any one of the parameters of the voltage, current, input power, and rotational speed of any one of the motors under test exceeds a set value, the alarm device will give an alarm.
优选的，所述测试装置设置有一个高压接线盒和一个低压接线盒。Preferably, the test device is provided with a high-voltage junction box and a low-voltage junction box.
本发明采用的技术方案，通过对电机的控制和磁粉制动器对电机运行状态的模拟，可以对电机复杂的负载寿命测试进行循环模拟试验，更加接近实际环境，测试数据可以直观在测试仪的显示屏进行实时显示，而且测试仪对每台被测电机的测试过程及相关数据都会生成一个独立的文件，便于查阅。The technical scheme adopted by the present invention can carry out cyclic simulation tests on the complex load life test of the motor through the control of the motor and the simulation of the operating state of the motor by the magnetic powder brake, which is closer to the actual environment, and the test data can be visualized on the display screen of the tester Real-time display, and the tester will generate an independent file for the test process and related data of each motor under test for easy reference.
附图说明Description of drawings
下面结合附图和具体实施方式对本发明作进一步描述：The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:
图1为本发明的电机寿命智能测试设备结构示意图。Fig. 1 is a structural schematic diagram of the intelligent motor life testing equipment of the present invention.
具体实施方式Detailed ways
如图1所示，一种电机寿命智能测试设备，包括电源箱2、控制箱3、测试平台1及测试仪，所述测试平台1上并排设置有至少一台测试装置，每台测试装置测试一台被测电机11。As shown in Figure 1, a kind of motor life intelligent test equipment, comprises power supply box 2, control box 3, test platform 1 and tester, described test platform 1 is provided with at least one test device side by side, each test device tests A tested motor 11.
每台测试装置包括一转矩转速测量仪12及一磁粉制动器13，所述转矩转速测量仪12设有传动轴，所述磁粉制动器13设有制动轴，被测电机11的输出轴通过第一联轴器与转矩转速测量仪传动轴的第一端联接，磁粉制动器的制动轴通过第二联轴器与转矩转速测量仪传动轴的第二端联接，所述电源箱2为被测电机11供电，所述控制箱3控制电机的工作状态，所述测试仪与电源箱2、控制箱3及转矩转速测量仪12连接，所述测试仪设有显示屏，所述显示屏对被测电机11的测试状态参数进行显示。Each test device comprises a torque speed measuring instrument 12 and a magnetic powder brake 13, the torque speed measuring instrument 12 is provided with a transmission shaft, and the magnetic powder brake 13 is provided with a braking shaft, and the output shaft of the motor under test 11 passes through The first coupling is connected with the first end of the transmission shaft of the torque speed measuring instrument, the braking shaft of the magnetic powder brake is connected with the second end of the transmission shaft of the torque speed measuring instrument through the second coupling, and the power box 2 Power supply for the tested motor 11, the control box 3 controls the working state of the motor, the tester is connected with the power supply box 2, the control box 3 and the torque speed measuring instrument 12, the tester is provided with a display screen, and the tester is provided with a display screen. The display screen displays the test state parameters of the motor 11 under test.
控制箱3通过对被测电机11和磁粉制动器13的控制，对被测电机11运行状态的模拟，可以对电机复杂的负载寿命测试进行循环模拟试验，更加接近实际环境，所谓复杂的负载寿命测试，就是负载为变化的，不是恒定的，分别在每个阶段，设置不同负载状态，达到更加接近实际状况的目的。The control box 3 controls the motor under test 11 and the magnetic powder brake 13, and simulates the running state of the motor under test 11, so that the complex load life test of the motor can be simulated cyclically, which is closer to the actual environment. The so-called complex load life test , that is, the load is changing, not constant. In each stage, different load states are set to achieve the purpose of getting closer to the actual situation.
其中所述被测电机安装于第一支架上，所述转矩转速测量仪安装于第二支架上，所述第一支架和第二支架固定于测试平台上，第一支架和第二支架均呈倒T型结构，通过螺栓与测试平台固定。Wherein the motor under test is installed on the first bracket, the torque speed measuring instrument is installed on the second bracket, the first bracket and the second bracket are fixed on the test platform, and the first bracket and the second bracket are both It is an inverted T-shaped structure, fixed to the test platform by bolts.
另外，所述测试装置设置有一个高压接线盒和一个低压接线盒。其中高压接线盒用于接入高压电机、低压接线盒用于低压电机，更换被测电机时，只需更换接线盒，因此这一台测试设备可以同时适应高、低压电机进行测试。In addition, the test device is provided with a high-voltage junction box and a low-voltage junction box. Among them, the high-voltage junction box is used to connect to the high-voltage motor, and the low-voltage junction box is used to connect to the low-voltage motor. When replacing the motor under test, only the junction box needs to be replaced, so this test equipment can be adapted to both high-voltage and low-voltage motors for testing.
使用上述电机寿命智能测试设备进行的电机寿命智能测试方法：The motor life intelligent test method using the above-mentioned motor life intelligent test equipment:
首先，通过一电源箱给各个被测电机提供电源，通过一控制箱对各个磁粉制动器及被测电机进行控制，以模拟出各个被测电机的各种运行状态。Firstly, a power supply box is used to provide power to each motor under test, and a control box is used to control each magnetic powder brake and the motor under test, so as to simulate various operating states of each motor under test.
其次，测试仪从电源箱获得各个被测电机的电压和电流参数，从转矩转速测量仪获得各个被测电机的转矩、转速，从控制箱获得各个被测电机的运行状态。Secondly, the tester obtains the voltage and current parameters of each tested motor from the power box, obtains the torque and speed of each tested motor from the torque speed measuring instrument, and obtains the running status of each tested motor from the control box.
然后，测试仪对各个被测电机的电压和电流参数进行处理获得各个被测电机的输入功率和输出功率。在这个过程中，进行智能控制，将被测电机的运行状态稳定在设定状态，比如，通过测得数据与设定的数据进行智能对比，会自动对负载端的磁粉制动器进行调整，使各个被测电机的转矩稳定在设定数值；同理也可以，使各个被测电机的电流稳定在设定数值。Then, the tester processes the voltage and current parameters of each tested motor to obtain the input power and output power of each tested motor. In this process, intelligent control is carried out to stabilize the running state of the motor under test at the set state. For example, by intelligently comparing the measured data with the set data, the magnetic powder brake at the load end will be automatically adjusted, so that each The torque of the measured motor is stable at the set value; similarly, it is also possible to make the current of each tested motor stable at the set value.
最后，测试仪的显示屏对被测电机的测试状态参数进行显示，被测电机的测试状态参数包括电压、电流、输入功率、转矩、转速、输出功率、当前状态、累计循环、运行时间、累计时间。电流，转速，输入功率，转矩，这些都是评价电机寿命性能的重要参数，通过测试数据的分析，掌握整个电机的寿命过程。这样子，可以做相应的改进，从而提高电机开发速度。Finally, the display screen of the tester displays the test state parameters of the motor under test. The test state parameters of the motor under test include voltage, current, input power, torque, speed, output power, current state, cumulative cycle, running time, cumulative time. Current, rotational speed, input power, and torque are all important parameters to evaluate the life performance of the motor. Through the analysis of test data, the entire life process of the motor can be mastered. In this way, corresponding improvements can be made to increase the speed of motor development.
电机运行状态模拟过程中，空载、负载、堵转、停机、3S到堵转顺次进行并作为一个循环，累计循环就是指这个循环的次数，累计时间是指被测电机测试的总时间，运行时间是指累计时间减去停机时间后的时间。During the simulation process of the motor running state, no-load, load, stall, stop, 3S to stall are carried out sequentially and are regarded as a cycle. The cumulative cycle refers to the number of cycles, and the cumulative time refers to the total time of the motor under test. Run time is the accumulated time minus downtime.
其中，空载、负载、堵转都是由磁粉制动器模拟，停机直接控制被测电机即可；另外，3S到堵转指磁粉制动器负载加到最大力矩，可以设定任何一个阶段，可以是开始，中间，最后等任何一个阶段。Among them, no-load, load, and locked-rotor are all simulated by the magnetic powder brake, and it is enough to directly control the motor under test when it is stopped; in addition, 3S to locked-rotor means that the load of the magnetic powder brake is added to the maximum torque, and any stage can be set, which can be the start , middle, last and so on any stage.
在被测电机上安装有温度传感器。具体安装数量可以根据需要设置，在本实施例中可以设置三个，分别设置于电机前部、中部、后部，以监测电机寿命各个阶段的温度变化情况，温度传感器与测试仪连接，温度传感器测得的温度值在测试仪的显示屏上进行显示。A temperature sensor is installed on the motor under test. The specific installation quantity can be set according to needs. In this embodiment, three can be set, which are respectively set at the front, middle, and rear of the motor to monitor the temperature changes at each stage of the motor life. The temperature sensor is connected to the tester, and the temperature sensor The measured temperature value is displayed on the display screen of the tester.
测试仪的显示屏并排设置各个被测电机的状态参数框，每个状态参数框从上到下设置状态参数子框，用于显示电压、电流、输入功率、转矩、转速、输出功率、当前状态、累计循环、运行时间、累计时间参数。The display screen of the tester sets the state parameter boxes of each motor under test side by side, and each state parameter box sets state parameter sub-boxes from top to bottom, which are used to display voltage, current, input power, torque, speed, output power, current State, cumulative cycle, running time, cumulative time parameters.
测试仪设有报警装置，如果任意一台被测电机的电压、电流、输入功率、转速值任意一项参数超过设定值，报警装置进行报警，具体来说，报警装置除了发出声光报警外，报警信息还在显示屏的电机状态子框中进行显示。The tester is equipped with an alarm device. If any one of the parameters of the voltage, current, input power, and rotational speed of any motor under test exceeds the set value, the alarm device will alarm. Specifically, the alarm device not only emits sound and light alarms , the alarm information is also displayed in the motor status sub-box of the display.
该电机寿命智能测试设备作用：The function of the motor life intelligent test equipment:
a.对电机寿命测试可以对电机复杂的负载寿命测试进行程序循环设置，进行模拟试验，更加接近实际环境。a. For the motor life test, the program cycle setting can be set for the complex load life test of the motor, and the simulation test is carried out, which is closer to the actual environment.
b.系统对电机的电压，电流，功率，循环次数，温度等进行范围设定，可以保护测试样机和测试设备的安全。b. The system sets the range of voltage, current, power, cycle times, temperature, etc. of the motor, which can protect the safety of the test prototype and test equipment.
b.系统可以24小时自动采集数据，对每个样机都会生成一个独立的文件，可以减少人为记录强度，及数据完整度。b. The system can automatically collect data 24 hours a day, and will generate an independent file for each prototype, which can reduce the intensity of manual recording and data integrity.
c.研发人员可以对电机试验过程的数据进行很方便的分析，可以迅速确认电机损坏时间点，所以可以加快新产品研发速度。c. R&D personnel can easily analyze the data of the motor test process, and can quickly confirm the time point of motor damage, so it can speed up the development of new products.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5811668A (en) * | 1995-11-15 | 1998-09-22 | Asmo Co., Ltd. | Method of measuring characteristics of a DC motor, apparatus for implementing the method, and method of calculating inductive voltage thereof |
| CN102033201A (en) * | 2010-10-25 | 2011-04-27 | 广州数控设备有限公司 | Simulation device and method using AC servo motor as variable-torque load |
| CN102096043A (en) * | 2010-12-09 | 2011-06-15 | 奇瑞汽车股份有限公司 | Platform and method for testing life of motors |
| CN102495367A (en) * | 2011-12-05 | 2012-06-13 | 奇瑞汽车股份有限公司 | Delivery test system and method for motor for pure electric vehicle |
| CN202339399U (en) * | 2011-11-07 | 2012-07-18 | 重庆明宝科技发展有限公司 | Motor testing system |
| CN102818994A (en) * | 2012-08-21 | 2012-12-12 | 江苏云意电气股份有限公司 | Performance test system for automobile alternating current power generator |
| CN202948115U (en) * | 2012-12-13 | 2013-05-22 | 上海科泰电源股份有限公司 | System for testing integrated performance of frequency conversion generator |
| CN103267949A (en) * | 2013-05-30 | 2013-08-28 | 天津出入境检验检疫局工业产品安全技术中心 | Motor type test testing system |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201514466U (en) * | 2009-07-31 | 2010-06-23 | 许晓华 | Service life testing system of motor assembly |
| CN203323793U (en) * | 2013-06-17 | 2013-12-04 | 沈阳兴华航空电器有限责任公司 | Micro-motor integrated testing system |
-
2015
- 2015-10-23 CN CN201510697749.0A patent/CN105388419B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5811668A (en) * | 1995-11-15 | 1998-09-22 | Asmo Co., Ltd. | Method of measuring characteristics of a DC motor, apparatus for implementing the method, and method of calculating inductive voltage thereof |
| CN102033201A (en) * | 2010-10-25 | 2011-04-27 | 广州数控设备有限公司 | Simulation device and method using AC servo motor as variable-torque load |
| CN102096043A (en) * | 2010-12-09 | 2011-06-15 | 奇瑞汽车股份有限公司 | Platform and method for testing life of motors |
| CN202339399U (en) * | 2011-11-07 | 2012-07-18 | 重庆明宝科技发展有限公司 | Motor testing system |
| CN102495367A (en) * | 2011-12-05 | 2012-06-13 | 奇瑞汽车股份有限公司 | Delivery test system and method for motor for pure electric vehicle |
| CN102818994A (en) * | 2012-08-21 | 2012-12-12 | 江苏云意电气股份有限公司 | Performance test system for automobile alternating current power generator |
| CN202948115U (en) * | 2012-12-13 | 2013-05-22 | 上海科泰电源股份有限公司 | System for testing integrated performance of frequency conversion generator |
| CN103267949A (en) * | 2013-05-30 | 2013-08-28 | 天津出入境检验检疫局工业产品安全技术中心 | Motor type test testing system |
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