A brushless motor electric actuator testing device

Abstract

This utility model relates to the field of electric actuator technology, specifically to a testing device for a brushless motor electric actuator. It includes a power supply unit, a control unit, an angle detection unit, and a motor drive unit. The power supply unit is a power module, the control unit includes an MCU module, the motor drive unit is a brushless motor drive module, and the angle detection unit is a digital angle sensor. Through this method, this utility model can obtain the angle feedback signal of the brushless motor electric actuator body and compare it with the angle data measured by the angle sensor built into the testing device to determine whether the operating data of the electric actuator meets the design requirements. Buttons are used to set the start and end of the test. The test results are displayed on the screen, and different buzzers sound to indicate whether the test is passed or failed. Simultaneously, the power supply voltage and operating current are monitored to ensure the accuracy and safety of the test.

Description

Technical Field

[0001] This utility model relates to the field of electric actuator testing technology, and in particular to a brushless motor electric actuator testing device. Background Technology

[0002] 1. Existing brushless motor electric actuator testing devices mainly test and indicate the operating angle of the electric actuator through mechanical devices to test whether the electric actuator can operate and whether the feedback signal is within the normal range.

[0003] 2. Existing brushless motor electric actuator testing devices are not fully functional. They lack digital angle measurement, cannot compare with feedback signals in real time, lack abnormal alarm functions, lack voltage protection, lack overcurrent protection, and have no display function. When the test fails, they cannot accurately locate the problem point, cannot precisely control the operating speed of the actuator, and cannot test the actuator automatically and efficiently.

[0004] 3. Existing testing devices suffer from insufficient performance parameters, poor accuracy in mechanical angle indication, lack of digital angle sensors, inability to achieve real-time angle comparison, lack of voltage and current measurement for accurate testing, lack of protection functions, lack of speed adjustment function allowing testing at specific speeds, lack of display and audible prompts, inability to clearly define test parameters at each stage of the testing process, and inability to pinpoint the problem point once a test fails. Inadequate circuit design leads to functional deficiencies. In summary, to address the above issues, we propose a brushless motor electric actuator testing device. Utility Model Content

[0005] In view of this, the purpose of this utility model is to propose a brushless motor electric actuator testing device to solve the problems of poor mechanical angle indication accuracy and inability to compare angles in real time in existing testing devices.

[0006] To achieve the above objectives, this utility model provides a brushless motor electric actuator testing device, including a power supply unit, a control unit, an angle detection unit, and a motor drive unit;

[0007] The power supply unit is a power module, the control unit includes an MCU module, the motor drive unit is a brushless motor drive module, and the angle detection unit is a digital angle sensor. The MCU module is electrically connected to the power module, the brushless motor drive module, and the digital angle sensor.

[0008] When testing a brushless motor actuator, the MCU module controls the brushless motor drive module to drive the brushless motor actuator. The actuator transmits an angle feedback signal to the MCU module. The MCU module obtains the real-time operating angle of the brushless motor actuator through a digital angle sensor and compares it with the feedback signal of the brushless motor actuator.

[0009] Preferably, the control unit further includes a voltage detection module and a current detection module, and both the voltage detection module and the current detection module are electrically connected to the MCU module.

[0010] Preferably, it also includes an input / output unit, which includes a key input module, a buzzer, and a display screen, and the key input module, the buzzer, and the display screen are all electrically connected to the MCU module.

[0011] Preferably, it also includes an external power supply, which is electrically connected to the power module, and the power module is used to provide power to the MCU module.

[0012] Preferably, the digital angle sensor is used to acquire the operating angle of the output shaft of the brushless motor electric actuator and transmit the angle data to the MCU module in real time. The MCU module is used for calculation and judgment of test results.

[0013] Preferably, the MCU module outputs a control signal to control the on and off of the brushless motor drive module, thereby driving the motor in the brushless motor actuator to operate, so as to drive the brushless motor actuator to operate.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. The test start and stop are controlled by input buttons. The operating angle of the electric actuator is acquired in real time by a digital angle sensor and compared with the feedback signal of the electric actuator. The built-in brushless motor drive circuit can control the electric actuator to operate at different speeds. The test results will be displayed on the screen, and a buzzer will sound a corresponding prompt.

[0016] Second, it adopts a brushless motor drive circuit and has a digital angle sensor as the angle feedback signal, which can achieve precise control of the angle of the electric actuator, and at the same time measure the operating angle of the electric actuator in real time. It has excellent performance, various protection functions, and is simple, convenient and easy to use. It can work stably for a long time.

[0017] Third, it is fully functional, capable of monitoring power supply voltage, operating current, and operating angle. The testing device has multiple alarm and protection functions. It also features motor speed regulation and stall protection, enabling accurate and stable testing of the operating status of brushless motor electric actuators. This allows for comprehensive testing of the electric actuators, providing intelligent analysis capabilities and ensuring safety, stability, and reliability. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram showing the connection between the test device, the brushless motor electric actuator, and the external power supply in this embodiment of the present invention.

[0020] Figure 2 This is a block diagram of an embodiment of the present utility model;

[0021] Figure 3 This is a circuit diagram of the brushless motor drive module according to an embodiment of the present invention;

[0022] Figure 4 This is a circuit diagram of the digital angle sensor according to an embodiment of the present invention;

[0023] Figure 5 This is a circuit diagram of the voltage detection module according to an embodiment of the present invention;

[0024] Figure 6 This is a circuit diagram of the current detection module according to an embodiment of the present invention.

[0025] In the diagram: 1. External power supply; 2. Power module; 3. Voltage detection module; 4. Key input module; 5. Buzzer; 6. MCU module; 7. Brushless motor drive module; 8. Current detection module; 9. Display screen; 10. Brushless motor electric actuator; 11. Digital angle sensor. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments and accompanying drawings.

[0027] It should be noted that, unless otherwise defined, the technical or scientific terms used in the embodiments of this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are only used to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0028] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 As shown, a brushless motor electric actuator testing device includes a power supply unit, a control unit, an angle detection unit, and a motor drive unit.

[0029] The power supply unit is a power module 2, the control unit includes an MCU module 6, the motor drive unit is a brushless motor drive module 7, and the angle detection unit is a digital angle sensor 11. The MCU module 6 is electrically connected to the power module 2, the brushless motor drive module 7, and the digital angle sensor 11.

[0030] When the brushless motor actuator 10 needs to be tested, the brushless motor drive module 7 is controlled by the MCU module 6 to drive the brushless motor actuator 10 to operate. The brushless motor actuator 10 transmits the angle feedback signal to the MCU module 6. The MCU module 6 obtains the real-time operating angle of the brushless motor actuator 10 through the digital angle sensor 11 and compares it with the feedback signal of the brushless motor actuator 10.

[0031] The testing device is connected to the brushless motor electric actuator 10 and the external power supply 1. The external power supply 1 supplies power to the testing device. The testing device controls the operation of the brushless motor electric actuator 10. During operation, it acquires the actual operating status of the brushless motor electric actuator 10, including parameters such as operating angle, operating speed, operating current, and feedback signal. The acquired actual operating parameters are compared with the preset parameters to determine whether the actuator meets the design requirements. After the test, the test results are displayed on the display screen of the testing device, and the buzzer of the testing device will also emit a corresponding prompt sound.

[0032] This utility model features a simple control algorithm and an integrated MCU module that collects signals such as voltage, current, and operating angle. It is fully functional, stable in performance, and highly accurate.

[0033] In a preferred embodiment of the present invention, the control unit further includes a voltage detection module 3 and a current detection module 8, and both the voltage detection module 3 and the current detection module 8 are electrically connected to the MCU module 6.

[0034] See Figure 5 The circuit of voltage detection module 3 mainly consists of Zener diodes, resistors, and capacitors. The main function of this circuit is to detect the input voltage of the test device and has overvoltage and undervoltage protection functions.

[0035] See Figure 6 The circuit of the current detection module 8 is mainly composed of resistors and capacitors. The main function of this circuit is to detect various currents of the brushless motor and obtain the phase voltage for the commutation control of the brushless motor. It also has functions such as overvoltage, overload, and speed detection.

[0036] In another preferred embodiment of the present invention, an input / output unit is also included, which includes a key input module 4, a buzzer 5, and a display screen 9, and the key input module 4, the buzzer 5, and the display screen 9 are all electrically connected to the MCU module 6.

[0037] The function of the button input module 4 is that the MCU module 6 will detect different voltage values ​​when different buttons are pressed to distinguish different button signals. Each button is used to adjust test parameters and control the start or end of the test.

[0038] The function of buzzer 5 is that the MCU module 6 controls buzzer 5 to emit sounds of different frequencies and rhythms to indicate different test results.

[0039] The function of display screen 9 is to display the test parameters, test process, and test results of the testing device.

[0040] In another preferred embodiment of the present invention, an external power supply 1 is further included. The external power supply 1 is electrically connected to the power module 2. The power module 2 is used to provide power to the MCU module 6. The power module 2 converts the external power supply 1 to 5V and then connects it to the MCU module 6 to power it.

[0041] It should be noted that the digital angle sensor 11 is used to obtain the running angle of the output shaft of the brushless motor electric actuator 10 and transmit the angle data to the MCU module 6 in real time. The MCU module 6 is used for calculation and judgment of test results.

[0042] It should be noted that the MCU module 6 outputs control signals to control the on and off of the brushless motor drive module 7, thereby driving the motor in the brushless motor electric actuator 10 to operate, so as to realize the operation of the brushless motor electric actuator 10.

[0043] The testing process for the brushless motor actuator 10 is as follows: An external power supply 1 powers the testing device. The brushless motor actuator 10 to be tested is connected to the testing device. The start test button is pressed, and the testing device drives the brushless motor actuator 10 to start operating. Simultaneously, the real-time operating angle of the brushless motor actuator 10 is acquired by the digital angle sensor 11 and compared with the feedback signal of the brushless motor actuator 10. During the test, the operating angle range of the brushless motor actuator 10 is monitored in real time to ensure it meets the requirements, and the real-time operating angle matches the feedback signal. The power supply voltage and bus current are monitored during the test to ensure the normal operation of the actuator and the stability and accuracy of the testing device. When the test passes, the display screen 9 will show "Test passed," and the buzzer 5 will emit a corresponding prompt sound. If the test fails, the display screen 9 will show "Test failed," along with the reason for the failure and the problem point, and the buzzer 5 will emit multiple continuous prompt sounds. The testing device allows for arbitrary adjustment of test parameters, test steps, and other data, and can be used to test various brushless motor actuators.

[0044] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of the present invention is limited to these examples; within the framework of the present invention, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in the details for the sake of brevity.

[0045] The embodiments of this utility model are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A testing device for a brushless motor electric actuator, characterized in that, It includes a power supply unit, a control unit, an angle detection unit, and a motor drive unit; The power supply unit is a power module (2), the control unit includes an MCU module (6), the motor drive unit is a brushless motor drive module (7), and the angle detection unit is a digital angle sensor (11). The MCU module (6) is electrically connected to the power module (2), the brushless motor drive module (7), and the digital angle sensor (11). When it is necessary to test the brushless motor electric actuator (10), the brushless motor drive module (7) is controlled by the MCU module (6) to drive the brushless motor electric actuator (10) to operate. The brushless motor electric actuator (10) transmits the angle feedback signal to the MCU module (6). The MCU module (6) obtains the real-time operating angle of the brushless motor electric actuator (10) through the digital angle sensor (11) and compares it with the feedback signal of the brushless motor electric actuator (10).

2. The brushless motor electric actuator testing device according to claim 1, characterized in that, The control unit also includes a voltage detection module (3) and a current detection module (8), and both the voltage detection module (3) and the current detection module (8) are electrically connected to the MCU module (6).

3. The brushless motor electric actuator testing device according to claim 1, characterized in that, It also includes an input / output unit, which includes a key input module (4), a buzzer (5) and a display screen (9), and the key input module (4), the buzzer (5) and the display screen (9) are all electrically connected to the MCU module (6).

4. The brushless motor electric actuator testing device according to claim 1, characterized in that, It also includes an external power supply (1), which is electrically connected to the power module (2), and the power module (2) is used to provide power to the MCU module (6).

5. The brushless motor electric actuator testing device according to claim 1, characterized in that, The digital angle sensor (11) is used to obtain the running angle of the output shaft of the brushless motor electric actuator (10) and transmit the angle data to the MCU module (6) in real time. The MCU module (6) is used for calculation and judgment of test results.

6. The brushless motor electric actuator testing device according to claim 1, characterized in that, The MCU module (6) outputs control signals to control the opening and closing of the brushless motor drive module (7), thereby driving the motor in the brushless motor electric actuator (10) to run through the brushless motor drive module (7), so as to drive the brushless motor electric actuator (10) to run.

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