Debugging apparatus and debugging device

Abstract

The application discloses a debugging device and a debugging equipment, wherein the debugging device comprises a brushless motor, a motor driver and an eddy current sensor; the brushless motor comprises a rotor connected with a target wheel in a rotation-stopping mode; the motor driver is electrically connected with the brushless motor; the eddy current sensor comprises an excitation coil and a receiving coil; the receiving coil is electrically connected with a to-be-debugged circuit; the excitation coil generates a first magnetic field acting on the target wheel, so that the target wheel induces an eddy current; and the receiving coil generates a second magnetic field under the action of the eddy current. Through the technical scheme, in the case of needing to debug different to-be-debugged circuits, the to-be-debugged circuit is switched, and the operation parameter of the motor is adjusted, so that the debugging of the eddy current circuit is facilitated without manually adjusting the target wheel; and the brushless motor drives the rotor to drive the target wheel to rotate, so that the data consistency in the process of debugging the same to-be-debugged circuit is ensured.

Description

Technical Field

[0001] This application relates to the field of debugging technology, and in particular to a debugging device and debugging equipment. Background Technology

[0002] In the early stages of developing eddy current circuit debugging technology, the eddy current circuit is usually debugged by manually turning the target wheel. This method is not convenient for debugging the eddy current circuit. Moreover, manual speed adjustment is often subject to human factors, resulting in unstable speed and vibration, which affects the overall development cycle. Utility Model Content

[0003] This application provides a debugging device and equipment for easily debugging eddy current circuits, so as to at least partially solve the above-mentioned technical problems.

[0004] To achieve the above objectives, according to a first aspect of this application, a debugging apparatus is provided, the debugging apparatus comprising: A brushless motor, including a rotor that forms an anti-rotation connection with the target wheel; A motor driver for electrically connecting to the brushless motor; and An eddy current sensor includes an excitation coil and a receiving coil, wherein the receiving coil is electrically connected to the circuit to be debugged; The excitation coil generates a first magnetic field that acts on the target wheel to induce eddy currents in the target wheel, and the receiving coil generates a second magnetic field under the action of the eddy currents.

[0005] Optionally, the direction of the first magnetic field is opposite to the direction of the second magnetic field.

[0006] Optionally, the eddy current sensor further includes: The housing has at least a partial receiving space for accommodating the target wheel; The rotation axis of the target wheel is collinear with the rotation axis of the rotor.

[0007] Optionally, the eddy current sensor further includes: An eddy current output harness interface is used for electrical connection with the circuit to be debugged; The receiving coil is electrically connected to the circuit to be debugged through the eddy current output harness interface.

[0008] Optionally, the eddy current sensor further includes: A sensor chip is located between the receiving coil and the eddy current output harness interface, and is used to electrically connect the receiving coil and the eddy current output harness interface.

[0009] Optionally, the debugging device further includes: The regulator is used to adjust the operating parameters of the brushless motor.

[0010] Optionally, the debugging device further includes: A display for showing the operating parameters of the brushless motor; The display and the motor driver are electrically connected.

[0011] Optionally, the debugging device further includes: A Hall sensor is used to acquire the position signal of the rotor and transmit the position signal to the motor driver.

[0012] Optionally, the debugging device further includes: An external power supply is provided for electrical connection with the motor driver. A switch is used to control the electrical connection between the external power supply and the motor driver; The switch is located between the external power source and the motor driver.

[0013] According to a second aspect of this application, a debugging device is provided, including the debugging apparatus as described above.

[0014] The beneficial effect of this application is that it provides a debugging device and equipment that facilitates the debugging of eddy current circuits.

[0015] More specifically, some embodiments of this application may produce the following specific beneficial effects: In the debugging device of this application embodiment, the debugging device includes: a brushless motor, a motor driver, and an eddy current sensor. The brushless motor includes a rotor that forms an anti-rotation connection with the target wheel. The motor driver is electrically connected to the brushless motor. The eddy current sensor includes an excitation coil and a receiving coil. The receiving coil is electrically connected to the circuit to be debugged. The excitation coil generates a first magnetic field acting on the target wheel to induce eddy currents in the target wheel, and the receiving coil generates a second magnetic field under the action of the eddy currents. The above technical solution utilizes the rotor of a brushless motor to drive the target wheel to rotate. The motor driver can control the operating parameters of the brushless motor's rotation. The first magnetic field generated by the excitation coil of the eddy current sensor acts on the target wheel, causing eddy currents to be generated during the rotation of the target wheel. This, in turn, causes the receiving coil to generate a second magnetic field. In this way, an electrical signal carrying position information can be transmitted to the circuit under test, thereby achieving the effect of debugging the circuit under test. When different circuits under test need to be debugged, the circuit under test can be switched, and the operating parameters of the motor can be adjusted. This avoids the situation where it is easy to debug the eddy current circuit due to manual adjustment of the target wheel. Furthermore, by using a brushless motor to drive the rotor to rotate the target wheel, data consistency can be ensured during the debugging of the same circuit under test.

[0016] Other features and advantages of this application will be described in detail in the following detailed description section. Attached Figure Description To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] To gain a more complete understanding of this application and its beneficial effects, the following description will be provided in conjunction with the accompanying drawings, wherein the same reference numerals in the following description denote the same parts.

[0018] Figure 1 This is a schematic diagram of the overall structure of the debugging device provided in an exemplary embodiment of this application; Figure 2 This is a schematic diagram of the connection structure between the brushless motor and the rotor provided in an exemplary embodiment of this application; Figure 3 This is an exploded structural diagram of the target wheel and eddy current sensor provided in an exemplary embodiment of this application.

[0019] Explanation of reference numerals in the attached figures: 100. Debugging equipment; 110. Brushless motor; 111. Rotor; 120. Motor driver; 130. Eddy current sensor; 131. Housing; 132. Eddy current output harness interface; 133. Sensor chip; 140. Regulator; 150. Display; 160. Hall sensor; 170. External power supply; 180. Switch; 200. Target wheel; 300. Circuit to be debugged; Detailed Implementation The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the protection scope of this application.

[0020] According to the first aspect of this application, reference to Figures 1 to 3A debugging device 100 is provided, comprising: a brushless motor 110, a motor driver 120, and an eddy current sensor 130. The brushless motor 110 includes a rotor 111 connected to a target wheel 200 to prevent rotation. The motor driver 120 is electrically connected to the brushless motor 110. The eddy current sensor 130 includes an excitation coil and a receiving coil. The receiving coil is electrically connected to the circuit 300 to be debugged. The excitation coil generates a first magnetic field acting on the target wheel 200 to induce eddy currents in the target wheel 200, and the receiving coil generates a second magnetic field under the action of the eddy currents.

[0021] Through the above technical solution, the rotor 111 of the brushless motor 110 drives the target wheel 200 to rotate. The motor driver 120 can control the operating parameters of the brushless motor 110. The first magnetic field generated by the excitation coil of the eddy current sensor 130 acts on the target wheel 200, so that eddy currents are generated during the rotation of the target wheel 200, and the receiving coil generates a second magnetic field. In this way, an electrical signal with position information can be transmitted to the circuit to be debugged 300 to achieve the effect of debugging the circuit to be debugged 300. When different circuits to be debugged 300 need to be debugged, the circuit to be debugged 300 can be switched and the operating parameters of the motor can be adjusted. This avoids the situation where it is easy to debug the eddy current circuit due to manual adjustment of the target wheel 200. Moreover, by driving the rotor 111 of the brushless motor 110 to drive the target wheel 200 to rotate, the data consistency can be guaranteed during the debugging of the same circuit to be debugged 300.

[0022] In this embodiment of the application, when it is necessary to debug different circuits 300 to be debugged, the circuit 300 to be debugged can be switched, and the debugging requirements of the circuit 300 to be debugged can be met by adjusting the operating parameters of the brushless motor 110, the gear parameters of the target wheel 200, etc.

[0023] The circuit to be debugged 300 in this embodiment can be an eddy current circuit. The target wheel 200 is directly connected to the rotor 111, which can improve rotational stability.

[0024] In some embodiments, the direction of the first magnetic field is opposite to the direction of the second magnetic field.

[0025] After the brushless motor 110 is powered on, the rotor 111 drives the target wheel 200 to rotate at high speed. During the rotation, the tooth grooves of the target wheel 200 periodically cut the axial magnetic field of the excitation coil. When the target wheel 200 is close to the axial magnetic field, induced eddy currents are generated on the metal surface of the target wheel 200. At the same time, the eddy currents also generate an alternating magnetic field with the opposite direction to that of the excitation coil. The receiving coil is located in this alternating magnetic field, and an induced current is generated in the receiving coil within this alternating magnetic field.

[0026] In some embodiments, reference Figure 2 The eddy current sensor 130 also includes a housing 131.

[0027] In this embodiment, the housing 131 has a receiving space in which at least a portion of the target wheel 200 is disposed, wherein the rotation axis of the target wheel 200 is collinear with the rotation axis of the rotor 111.

[0028] By placing at least a portion of the target wheel 200 within the receiving space, the displacement of the target wheel 200 relative to the housing 131 can be limited, thereby enhancing overall reliability.

[0029] Meanwhile, the rotation axis of the target wheel 200 is set collinearly with the rotation axis of the rotor 111, which can effectively eliminate signal detection errors caused by axis deviation and improve the signal-to-noise ratio and stability of the eddy current signal.

[0030] In some embodiments, reference Figure 1 The eddy current sensor 130 also includes an eddy current output harness interface 132.

[0031] In this embodiment of the application, the eddy current output harness interface 132 is used to electrically connect with the circuit to be debugged 300, wherein the receiving coil is electrically connected to the circuit to be debugged 300 through the eddy current output harness interface 132.

[0032] In this embodiment of the application, by setting an eddy current output harness interface 132 and electrically connecting it to the circuit to be debugged 300, the effect of adapting different circuits to be debugged 300 using the same interface can be achieved.

[0033] In some embodiments, reference Figure 3 The eddy current sensor 130 also includes a sensor chip 133.

[0034] In this embodiment, the sensor chip 133 is located between the receiving coil and the eddy current output harness interface 132, and is used to electrically connect the receiving coil and the eddy current output harness interface 132.

[0035] By setting a sensor chip 133 between the receiving coil and the eddy current output harness interface 132, the sensor chip 133 can electrically connect the receiving coil and the eddy current output harness interface 132, thereby enhancing the overall reliability. The sensor chip 133 samples and decodes the signal of the receiving coil and outputs the SIN / COS signal. The output modulated waveform will carry the position information of the motor shaft.

[0036] In some embodiments, reference Figure 1 The debugging device 100 also includes an adjuster 140.

[0037] In this embodiment, the adjuster 140 is used to adjust the operating parameters of the brushless motor 110.

[0038] In this embodiment, the operating parameters of the brushless motor 110 can be adjusted by setting an adjustment period, such as adjusting the speed of the brushless motor 110, to adapt to different testing requirements. The adjuster 140 is electrically connected to the motor driver 120.

[0039] For example, the adjuster 140 can be configured as a speed control knob to facilitate the adjustment of the operating parameters of the brushless motor 110, such as the speed of the brushless motor 110.

[0040] In some embodiments, reference Figure 1 The debugging device 100 also includes a display 150.

[0041] In this embodiment of the application, the display 150 is used to display the operating parameters of the brushless motor 110; wherein, the display 150 and the motor driver 120 are electrically connected.

[0042] In this embodiment, by setting up a display 150, the operating parameters of the brushless motor 110 can be displayed, such as real-time display of speed, temperature, and fault codes. This can reduce reliance on external measuring equipment and improve debugging accuracy.

[0043] In some embodiments, reference Figure 1 In some embodiments, the debugging device 100 further includes a Hall sensor 160.

[0044] In this embodiment, the Hall sensor 160 is used to acquire the position signal of the rotor 111 and transmit the position signal to the motor driver 120.

[0045] In this embodiment of the application, by setting a Hall sensor 160 to collect the position signal of the rotor 111 and transmitting the position signal to the motor driver 120, the accuracy of collecting the operating parameters of the rotor 111 can be improved.

[0046] For example, the Hall sensor 160 collects the magnitude and frequency of the three-phase current in the brushless motor 110 and feeds it back to the motor driver 120 to control the speed and torque of the brushless motor 110.

[0047] In some embodiments, reference Figure 1 The debugging device 100 also includes an external power supply 170 and a switch 180.

[0048] In this embodiment, the external power supply 170 is used to be electrically connected to the motor driver 120, and the switch 180 is used to control the electrical connection between the external power supply 170 and the motor driver 120; wherein, the switch 180 is located between the external power supply 170 and the motor driver 120.

[0049] The motor driver 120 is powered by an external power supply 170, and the switch 180 controls the electrical connection between the external power supply 170 and the motor driver 120, allowing the motor driver 120 to be switched on or off as needed.

[0050] For example, the external power supply 170 can be a 28V or 48V voltage power supply.

[0051] In summary, this application provides a debugging fixture for the position decoding circuit of a pure electric vehicle motor controller. The axial alternating magnetic field generated by the excitation coil of the eddy current sensor 130 generates alternating eddy currents under the target wheel 200 driven by the brushless motor 110. The alternating eddy currents generate an axial alternating magnetic field related to the angle of the target wheel 200. The sensor chip 133 of the eddy current sensor 130 samples and decodes the alternating magnetic field signal and outputs a signal. The dedicated decoding chip of the motor controller decodes the position of the motor rotor 111, achieving the purpose of real-time detection of the motor position. Based on the above eddy current sampling principle, this application has developed a debugging fixture that outputs the collected eddy current signal to the main drive controller under test to assist in the functional debugging of the eddy current circuit. This fixture has the advantages of simple hardware, low cost, and a wide speed adjustment range. This fixture shortens the cycle of functional debugging of the eddy current circuit in the early stage of development. Moreover, the fixture is small and easy to carry, and it also provides convenience for troubleshooting eddy current faults in the subsequent mass production of motor controllers.

[0052] The same debugging fixture can be adapted to different test circuits without being limited by the motor structure. Different eddy current circuit modules can be tested directly through the debugging fixture. At the same time, the motor end is lightweight and easy to carry. The debugging scenario is not limited. It can be debugged at the workstation by software, or it can be used for simple after-sales fault analysis.

[0053] According to a second aspect of this application, a debugging device is provided, including the debugging apparatus 100 as described above.

[0054] The debugging device in this application embodiment includes the debugging apparatus 100 as described above, and therefore has all the beneficial effects of the debugging device described above, which will not be elaborated here.

[0055] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0056] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0057] The embodiments, implementation methods, and related technical features of this application can be combined and substituted for each other without conflict.

[0058] The above are merely preferred embodiments of this application and are not intended to limit this application in any way. Any simple modifications, equivalent changes, and alterations made to the above embodiments based on the technical essence of this application without departing from the scope of the technical solution of this application shall still fall within the scope of the technical solution of this application.

Claims

1. A debugging device (100), characterized in that, include: The brushless motor (110) includes a rotor (111) that forms an anti-rotation connection with the target wheel (200); A motor driver (120) is used for electrical connection with the brushless motor (110); and An eddy current sensor (130) includes an excitation coil and a receiving coil, the receiving coil being electrically connected to a circuit to be debugged (300); The excitation coil generates a first magnetic field that acts on the target wheel (200) to induce eddy currents in the target wheel (200), and the receiving coil generates a second magnetic field under the action of the eddy currents.

2. The debugging device (100) according to claim 1, characterized in that, The direction of the first magnetic field is opposite to the direction of the second magnetic field.

3. The debugging device (100) according to claim 1, characterized in that, The eddy current sensor (130) also includes: The housing (131) has at least a partial receiving space for accommodating the target wheel (200); The rotation axis of the target wheel (200) is collinear with the rotation axis of the rotor (111).

4. The debugging device (100) according to claim 1, characterized in that, The eddy current sensor (130) also includes: An eddy current output harness interface (132) is used for electrical connection with the circuit to be debugged (300); The receiving coil is electrically connected to the circuit to be debugged (300) through the eddy current output harness interface (132).

5. The debugging device (100) according to claim 4, characterized in that, The eddy current sensor (130) also includes: A sensor chip (133) is located between the receiving coil and the eddy current output harness interface (132) for electrically connecting the receiving coil and the eddy current output harness interface (132).

6. The debugging device (100) according to claim 4, characterized in that, The debugging device (100) further includes: A display (150) is used to display the operating parameters of the brushless motor (110); The display (150) and the motor driver (120) are electrically connected.

7. The debugging device (100) according to claim 4, characterized in that, The debugging device (100) further includes: Adjuster (140) for adjusting the operating parameters of the brushless motor (110); The regulator (140) and the motor driver (120) are electrically connected.

8. The debugging apparatus (100) according to any one of claims 1 to 7, characterized in that, The debugging device (100) further includes: A Hall sensor (160) is used to acquire the position signal of the rotor (111) and transmit the position signal to the motor driver (120).

9. The debugging apparatus (100) according to any one of claims 1 to 7, characterized in that, The debugging device (100) further includes: An external power supply (170) is provided for electrical connection with the motor driver (120); a switch (180) for controlling electrical continuity between the external power supply (170) and the motor driver (120); wherein the switch (180) is located between the external power supply (170) and the motor driver (120).

10. A debugging device, characterized in that, a commissioning device (100) as claimed in any of claims 1 to 9.

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