A dynamic performance testing device and method for a torque motor

Abstract

The embodiment of the application provides a kind of dynamic performance testing device and method of torque motor.The device composition includes rack 1, motor installation tooling 2, guiding tooling 3, transmission main shaft 4, load motor 5, data acquisition box 6 and display and control cabinet.The method is tested by the device based on the split torque motor, obtains the dynamic performance of split torque motor, and grasps the parameters of motor before assembling shaft system for servo debugging.The dynamic performance testing device and method of torque motor are proposed, which can grasp the dynamic performance of motor before assembling and debugging, effectively reduce the time of disassembling shaft system due to motor problem, improve the accuracy of shaft system, and have important significance for the reliability of equipment.

Description

Technical Field

[0001] This application relates to the field of motor testing technology, and in particular to a torque motor dynamic performance testing device and method. Background Technology

[0002] Optoelectronic equipment typically possesses pitch and azimuth movement capabilities. Fast response speed and excellent tracking performance are crucial factors in evaluating the performance of such equipment. During pitch or azimuth movement, the controller inputs commands to the motors, which respond by moving the structure to a specific position at a specific speed. Besides the influence of the control algorithm, the performance of the motor itself is equally critical to its ability to quickly respond to and track the target. Therefore, dynamic performance testing of the motors used in the equipment is essential. This allows for early identification of whether the motors possess normal operating functions and performance parameters, reducing post-assembly repair time for motor problems and improving equipment assembly and adjustment efficiency. Summary of the Invention

[0003] The purpose of this invention is to use a testing device and method to test a modular torque motor, obtain the dynamic performance of the modular torque motor, and understand the various parameters of the motor before servo debugging of the assembled shaft system.

[0004] This invention provides a torque motor dynamic performance testing device, comprising:

[0005] A platform 1 is used to mount and support the entire device, and guide rails are provided on the platform 1 to limit the movement of the device parts;

[0006] The motor mounting fixture 2 is fixed on the frame 1. The motor mounting fixture 2 includes a panel 2.1, a motor stator connector 2.2, and a motor rotor support 2.3. The motor stator 8 is connected to the panel 2.1 through the stator connector 2.2, and the motor rotor 9 is engaged with the transmission shaft 4 through the rotor support 2.3. The motor stator 8 and the motor rotor 9 are magnetically attracted together.

[0007] The guide fixture 3 includes a guide frame 3.1 and a guide rod 3.2 fixedly installed on the platform 1. The front end of the guide rod 3.2 is threaded and mates with the threaded hole on the end face of the motor rotor support 2.3.

[0008] The transmission spindle 4 passes through the motor mounting fixture 2 and connects the motor under test and the load motor 5.

[0009] The load motor 5 is a servo motor, whose output torque can be increased in steps according to a set value, and the real-time torque data is sent to the display and control cabinet.

[0010] Data acquisition box 6 supplies power to the motor under test and uses built-in sensors to test the real-time current of the motor under test.

[0011] Display and control cabinet for driving control of the motor and output of test report.

[0012] In some embodiments, the motor stator connector 2.2 and the motor rotor support 2.3 in the motor mounting tool 2 are respectively connected with the motor stator 8 and the motor rotor 9 by screws.

[0013] In some embodiments, the guide rod 3.2 in the guide tool 3 cooperates with the threaded hole in the end face of the motor rotor support 2.3 to realize the positioning of the motor rotor 9 along the direction of the transmission main shaft 4.

[0014] In some embodiments, the load motor 5 can step up the output torque according to the preset program and feed back the torque data to the display and control cabinet in real time.

[0015] In some embodiments, the internal sensors of the data acquisition box 6 can measure the current of the motor under test and communicate with the display and control cabinet to obtain parameters including voltage, current, efficiency and torque constant.

[0016] In some embodiments, the transmission main shaft 4 penetrates the motor mounting tool 2, specifically including:

[0017] The transmission main shaft 4 penetrates the panel 2.1, the motor stator connector 2.2 and the motor rotor support 2.3.

[0018] In some embodiments, the motor stator connector 2.2, the motor rotor support 2.3, the motor stator 8 and the motor rotor 9 are coaxially arranged around the transmission main shaft 4.

[0019] A torque motor dynamic performance test method based on the torque motor dynamic performance test device of any one of the above embodiments, the method comprising:

[0020] Step one, connect the torque motor stator and the stator connector by screws;

[0021] Step two, connect the stator connector and the panel of the motor mounting tool by screws;

[0022] Step three, connect the torque motor rotor and the rotor support by screws;

[0023] Step four, pass the rotor support center hole through the transmission main shaft, and use the guide rod to slowly push the motor rotor along the main shaft direction into the electronic stator direction through the guide frame, and then withdraw the guide rod after the motor stator and the rotor are attracted;

[0024] Step five, connect the motor power line with the data acquisition box, drive the motor to the predetermined state stable rotation;

[0025] Step six, load the load motor torque from zero with 0.1Nm step, the torque is transmitted back in real time through the sensor;

[0026] Step seven, the internal sensor of the data acquisition box measures the current of the measured motor;

[0027] Step eight, the display and control cabinet calculates the voltage, current, efficiency and torque constant parameters of the measured motor.

[0028] In some embodiments, the increase of the load motor torque in step six is automatically performed according to a preset program.

[0029] In some embodiments, the parameters calculated in step eight are used to generate a test report, which is output by the display and control cabinet.

[0030] The beneficial effects of the above embodiments include:

[0031] The torque motor dynamic performance testing device and method provided by the application can master the dynamic performance of the motor before assembly and debugging, effectively reduce the time of disassembling and assembling the shaft system due to motor problems, improve the precision of the shaft system, and have important significance for the reliability of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0032] The accompanying drawings generally illustrate various embodiments discussed herein.

[0033] Fig. 1 The torque motor dynamic performance testing device structure schematic diagram;

[0034] Fig. 2 The torque motor tool installation diagram

[0035] Fig. 3 The test method principle diagram DETAILED DESCRIPTION

[0036] In order to enable more detailed understanding of the features and technical contents of the embodiments of the application, the implementation of the embodiments of the application will be described in detail below with reference to the accompanying drawings, and the accompanying drawings are only used for reference and do not limit the embodiments of the application.

[0037] In the description of the embodiments of the application, it should be noted that unless otherwise stated and limited, the term "connection" should be understood broadly, for example, it can be an electrical connection, or a communication between two elements, it can be directly connected, or indirectly connected through an intermediate medium, and those skilled in the art can understand the specific meaning of the above term according to the specific circumstances.

[0038] It should be noted that the terms "first," "second," and "third" used in the embodiments of this application are merely used to distinguish similar objects and do not represent a specific ordering of objects. It is understood that "first," "second," and "third" can be interchanged in a specific order or sequence where permitted. It should be understood that the objects distinguished by "first," "second," and "third" can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in an order other than those illustrated or described herein.

[0039] This invention discloses a torque motor dynamic performance testing device and method, which tests a modular torque motor to obtain its dynamic performance and to understand the various parameters of the motor before servo debugging of the assembled shaft system.

[0040] The following is in conjunction with the appendix Figs. 1 to 3 The embodiments of the present invention will be described in detail below.

[0041] This invention provides a torque motor dynamic performance testing device, such as... Fig. 1 As shown, the device consists of a stand 1, a motor mounting fixture 2, a guide fixture 3, a transmission spindle 4, a load motor 5, a data acquisition box 6, and a display and control cabinet.

[0042] The stand 1 is used to install and support the entire device, and guide rails are provided on the stand 1 to limit the movement of the device parts.

[0043] like Fig. 2 As shown, the motor mounting fixture 2 includes a panel 2.1 fixed on the frame 1, a motor stator connector 2.2 and a motor rotor support 2.3. The motor stator 8 is connected to the panel 2.1 through the stator connector 2.2, and the motor rotor 9 is connected to the transmission shaft 4 through the rotor support 2.3. The motor stator 8 and the motor rotor 9 are attracted by magnetic force.

[0044] The guide fixture 3 includes a guide frame 3.1 and a guide rod 3.2 fixedly mounted on the frame 1. The front end of the guide rod 3.2 has threads that mate with the threaded hole on the end face of the motor rotor support 2.3.

[0045] The transmission spindle 4 passes through the motor mounting fixture 2 and connects the motor under test and the load motor 5.

[0046] Here, the drive shaft 4 passes through the motor mounting fixture 2, specifically including: the drive shaft 4 passes through the panel 2.1, the motor stator connector 2.2, and the motor rotor support 2.3. In some embodiments, the motor stator connector 2.2, the motor rotor support 2.3, the motor stator 8, and the motor rotor 9 are coaxially arranged around the drive shaft 4.

[0047] The load motor 5 is a servo motor, and the output torque of the load motor 5 can be stepped up according to a set value, and real-time torque data is rotated to the display and control cabinet.

[0048] The data acquisition box 6 supplies power to the measured motor and tests the real-time current of the measured motor through the built-in sensor.

[0049] The display and control cabinet is used for driving control of the motor and output of a test report.

[0050] The embodiment of the application provides a torque motor dynamic performance test method using the torque motor dynamic performance test device. Fig. 3 As shown in the figure, the method comprises the following steps:

[0051] Step one, the torque motor stator and the stator connecting piece are connected through screws.

[0052] Step two, the stator connecting piece and the panel of the motor installation tool are connected through screws.

[0053] Step three, the torque motor rotor and the rotor support are connected through screws.

[0054] Step four, the center hole of the rotor support passes through the transmission main shaft, and the motor rotor is slowly pushed along the direction of the main shaft to the direction of the electronic stator through the guide rod and the guide frame, and the guide rod is withdrawn after the motor stator and the rotor are attracted.

[0055] Step five, the motor power line is connected with the data acquisition box, the motor is driven to a predetermined state of stable rotation,

[0056] Step six, the load motor torque is loaded from zero according to a step length of 0.1Nm, and the torque can be transmitted back in real time through the sensor.

[0057] Step seven, the current of the measured motor is measured by the internal sensor of the data acquisition box.

[0058] Step eight, the display and control cabinet calculates the voltage, current, efficiency, torque constant and other parameters of the measured motor.

[0059] The torque motor dynamic performance test device and method can master the dynamic performance of the motor before assembly and debugging, can effectively reduce the time of disassembling the shaft system due to the motor problem, improve the precision of the shaft system, and has important significance for the reliability of equipment.

[0060] The technical solutions described in the embodiments of the application can be arbitrarily combined without conflict.

[0061] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A torque motor dynamic performance testing device, characterized in that, The utility model relates to a kind of motor test device, including: Rack (1) for installing bearing whole device, and guide rail is provided on the rack (1) for limiting the movement of device part; Motor installation tooling (2) is fixed on the rack (1), and the motor installation tooling (2) includes panel (2.1), motor stator connecting piece (2.2) and motor rotor support (2.3), motor stator (8) is connected with the panel (2.1) by the stator connecting piece (2.2), motor rotor (9) is cooperated with transmission main shaft (4) by the rotor support (2.3), and the motor stator (8) and the motor rotor (9) are attracted by magnetic force; Guide tooling (3) includes guide frame (3.1) and guide rod (3.2) fixedly installed on the rack (1), and the guide rod (3.2) has thread in front end, and is cooperated with the threaded hole in end surface of the motor rotor support (2.3); The transmission main shaft (4) is connected with measured motor and load motor (5) by penetrating the motor installation tooling (2); The load motor (5) is servo motor, and output torque can be stepped up according to set value, and real-time torque data is rotated to display and control cabinet; Data acquisition box (6) supplies power for measured motor and tests real-time current of measured motor by built-in sensor; Display and control cabinet is used for driving control of motor and output test report.

2. The dynamic performance testing device for a torque motor according to claim 1, wherein The motor stator connecting piece (2.2) and the motor rotor support (2.3) in the motor installation tooling (2) are connected with the motor stator (8) and the motor rotor (9) by screw respectively.

3. The dynamic performance testing device for a torque motor according to claim 1, wherein The guide rod (3.2) in the guide tooling (3) is cooperated with the threaded hole in end surface of the motor rotor support (2.3) to realize that the motor rotor (9) is positioned along the direction of the transmission main shaft (4).

4. The dynamic performance testing device for a torque motor according to claim 1, wherein The load motor (5) can step up output torque according to preset program, and real-time torque data is fed back to the display and control cabinet.

5. The dynamic performance testing device for a torque motor according to claim 1, wherein The internal sensor of the data acquisition box (6) can measure the current of measured motor, and communicates with the display and control cabinet to obtain parameters including voltage, current, efficiency and torque constant.

6. The dynamic performance testing device for a torque motor according to claim 1, wherein The transmission main shaft (4) penetrates the motor installation tooling (2), specifically including: The transmission main shaft (4) penetrates the panel (2.1), the motor stator connecting piece (2.2) and the motor rotor support (2.3).

7. The dynamic performance testing device for a torque motor according to claim 6, wherein The motor stator connecting piece (2.2), the motor rotor support (2.3), the motor stator (8) and the motor rotor (9) are coaxially arranged around the transmission main shaft (4).

8. A method for testing dynamic performance of a torque motor based on the torque motor dynamic performance testing device according to any one of claims 1 to 7, characterized in that, The method includes: Step one, torque motor stator and stator connecting piece are connected by screw; Step two, stator connecting piece and panel of motor installation tooling are connected by screw; Step three, torque motor rotor and rotor support are connected by screw; Step four, rotor support center hole is passed through transmission main shaft, and guide rod is used to slowly push motor rotor along the direction of main shaft into electronic stator direction through guide frame, and guide rod is withdrawn after motor stator and rotor attract. Step five, connect the motor power line with the data acquisition box, drive the motor to the predetermined state stable rotation; Step six, load the load motor torque from zero by 0.1Nm step, the torque is transmitted back in real time through the sensor; Step seven, the data acquisition box internal sensor measures the current of the measured motor; Step eight, the display and control cabinet calculates the voltage, current, efficiency, torque constant parameters of the measured motor.

9. The method of claim 8, wherein, The increase of the load motor torque in step six is automatically performed according to the preset program.

10. The method of claim 8, wherein, The parameters calculated in step eight are used to generate a test report, which is output by the display and control cabinet.

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