Stepper motor comprehensive automatic test system and its test method
A technology of integrated automation and stepper motor, applied in the direction of motor generator testing, etc., can solve the problems of low degree of automation, single function, high equipment and personnel cost, and achieve the effect of high degree of automation
Active Publication Date: 2017-01-18
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology
At present, the traditional stepper motor test system generally has defects such as single function and low degree of automation. It needs a variety of test equipment to complete the test work of a stepper motor or the whole machine, and the workload of testers is heavy, resulting in equipment and personnel. higher cost
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Embodiment Construction
[0030] Such as figure 1 As shown, the stepper motor integrated automatic test system of the present invention includes a control unit, a data processing and display unit, a stepper motor under test, a stepper motor drive circuit, a static torque test traction motor, a traction motor drive circuit, a static torque test A gear train, a photoelectric encoder installed on the output shaft of the stepping motor to be tested, and a current sensor arranged in the driving circuit of the stepping motor. Among them, the static torque test gear train includes two gears meshing with each other. These two gears are installed on the output shaft of the stepper motor under test and the output shaft of the static torque test traction motor respectively. The static torque test traction motor passes the static torque test. The gear train applies the test torque to the motor under test.
[0031] The control unit can use DSP chip TMS320LF2407A as the controller. The photoelectric encoder can us...
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The invention provides an automatic comprehensive test system which can test the stepping angle precision, the static moment, the highest working frequency and the working current of a stepper motor. The automatic comprehensive test system of the stepper motor comprises a control unit, a data processing and display unit, a to-be-tested stepper motor, a stepper motor driving circuit, a static moment test traction motor, a traction motor driving circuit, a static moment test gear system, a photoelectric coder which is installed on an output shaft of the to-be-tested stepper motor, and a current sensor which is arranged in the stepper motor driving circuit; the static moment test gear system comprises two engaged gears, the two gears are respectively installed on the output shaft of the stepper motor and an output shaft of the static moment test traction motor, and the static moment test traction motor applies the test moment on the to-be-tested motor through the static moment test gear system.
Description
technical field [0001] The invention relates to a testing system and a testing method for performance parameters of a stepping motor. Background technique [0002] Stepper motor is an important drive and execution motor, widely used in aerospace, weaponry, industrial control and instrumentation and other fields. The stepper motor test system is an indispensable instrument and equipment in the process of stepper motor production, quality control, delivery acceptance and complete machine debugging. The performance of the stepper motor test system directly affects the performance of the stepper motor and the complete machine . [0003] The test items of the stepper motor mainly include step angle accuracy test, static torque test, maximum operating frequency test and operating current test. At present, the traditional stepper motor test system generally has defects such as single function and low degree of automation. It needs a variety of test equipment to complete the test ...
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IPC IPC(8): G01R31/34
Inventor 文延汶德胜邱跃洪陈智姚大雷江宝坦王宏
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI