Hall effect PCB testing system

Abstract

This utility model discloses a Hall effect PCB testing system, relating to the field of Hall effect detection technology. The Hall effect PCB testing system includes: a DC power supply device electrically connected to the Hall effect PCB under test; the DC power supply device provides a stable power supply to the Hall effect PCB under test; a testing device electrically connected to the Hall effect PCB under test; the testing device operates during operation to allow the Hall effect PCB under test to detect the rotational speed of the testing device and generate a corresponding Hall signal; the testing device also displays the corresponding voltage value based on the Hall signal; a main control device communicatively connected to the testing device; the main control device outputs a test control signal to the testing device to allow the testing device to control the operation of the Hall effect PCB under test according to the test control signal; and receives the Hall signal and detects fault information of the Hall effect PCB under test based on the Hall signal. This utility model aims to improve the detection efficiency and accuracy of Hall effect PCBs in the power system of a vehicle.

Description

Technical Field

[0001] This utility model relates to the field of Hall effect detection technology, and in particular to a Hall effect PCB testing system. Background Technology

[0002] Currently, existing testing equipment can only test the motor drive of a vehicle's power system. It cannot test whether the Hall sensors in the power system are functioning properly, nor can it test whether the program programmed into the Hall sensors is correct. Therefore, in actual testing, the Hall sensors and the programmed circuitry in the vehicle's power system are often overlooked, which may lead to quality defects in the power systems of vehicles shipped from the manufacturer. Utility Model Content

[0003] The main purpose of this invention is to provide a Hall PCB testing system, which aims to improve the detection efficiency and accuracy of Hall PCBs in the power system of a vehicle.

[0004] To achieve the above objectives, the present invention proposes a Hall effect PCB testing system, which includes:

[0005] A DC power supply device is electrically connected to the Hall PCB under test; the DC power supply device is used to provide a stable power supply to the Hall PCB under test.

[0006] A testing device is electrically connected to the Hall PCB under test. The testing device is used to operate during operation so that the Hall PCB under test detects the rotational speed of the testing device and generates a corresponding Hall signal. The testing device is also used to display the corresponding voltage value based on the Hall signal.

[0007] The main control device is communicatively connected to the test device. The main control device is used to output a test control signal to the test device so that the test device controls the Hall PCB under test to work according to the test control signal; and to receive the Hall signal and detect fault information of the Hall PCB under test according to the Hall signal.

[0008] In one embodiment, the testing device further includes a motor that operates during operation to adjust the rotational speed of the Hall PCB under test detection testing device and generate a corresponding Hall signal.

[0009] In one embodiment, the testing device includes a control module electrically connected to the motor and communicatively connected to the main control device; the control module is used to control the motor to operate according to the motor control signal output by the main control device.

[0010] In one embodiment, the testing device further includes a voltage detection module, the input terminal of which is electrically connected to the output terminal of the Hall element in the Hall PCB under test, and the output terminal of which is electrically connected to the control module; the voltage detection module is used to detect the output voltage of the Hall element in the Hall PCB according to the Hall signal, and display the corresponding voltage value and output the corresponding voltage detection signal.

[0011] In one embodiment, the control module is also electrically connected to the voltage detection module; the main control device further includes a prompting module, which is communicatively connected to the control module.

[0012] The control module is also used to receive the voltage detection signal output by the voltage detection module and output a corresponding prompt control signal to the prompt module so that the prompt module outputs a corresponding prompt signal.

[0013] In one embodiment, the main control device further includes a storage module, which is communicatively connected to the control module.

[0014] In one embodiment, the main control device further includes a communication module, which is communicatively connected to the test device.

[0015] In one embodiment, the communication module is also connected to the cloud.

[0016] In one embodiment, the DC power supply device includes a voltage conversion circuit, a first terminal of which is electrically connected to a DC power supply terminal, and a second terminal of which is electrically connected to the testing device; the voltage conversion circuit is used to convert a first DC voltage input to the DC power supply terminal into a second DC voltage and output it.

[0017] In one embodiment, the Hall PCB testing system further includes:

[0018] The testing device has a test base and a mounting part, wherein the test base is used to place the Hall PCB to be tested;

[0019] The mounting section is used to mount the motor and the control module.

[0020] This utility model provides a Hall effect PCB testing system to test Hall effect PCBs under test, thereby improving the detection efficiency and accuracy of Hall effect PCBs in the power system of a vehicle. The Hall effect PCB testing system includes a DC power supply, a testing device, and a main control device. The DC power supply provides power to the Hall effect PCB under test, enabling it to operate normally when receiving corresponding control signals. The testing device, electrically connected to the Hall effect PCB under test, operates a corresponding rotating structure to provide a changing magnetic field environment for the PCB, receives the Hall signals output by the PCB, and displays the voltage value. This allows the user to determine whether the Hall effect PCB is functioning correctly and confirm its quality. Furthermore, the main control device, communicatively connected to the testing device, controls the testing of the PCB and, by receiving the Hall signals received by the testing device, determines the type of fault in the Hall effect PCB under test, further improving the detection efficiency and accuracy. Attached Figure Description

[0021] 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 some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the modules of the Hall PCB testing system of this utility model;

[0023] Figure 2 This is a schematic diagram of a module of an embodiment of the Hall PCB testing system of this utility model.

[0024] Explanation of icon numbers:

[0025] 10. DC power supply device; 11. Voltage conversion circuit; 20. Testing device; 21. Motor; 22. Control module; 23. Voltage detection module; 30. Main control device; 31. Indication module; 32. Storage module; 33. Communication module.

[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0030] Currently, existing testing equipment can only test the motor drive of a vehicle's power system. It cannot test whether the Hall sensors in the power system are functioning properly, nor can it test whether the program programmed into the Hall sensors is correct. Therefore, in actual testing, the Hall sensors and the programmed circuitry in the vehicle's power system are often overlooked, which may lead to quality defects in the power systems of vehicles shipped from the manufacturer.

[0031] Therefore, refer to Figure 1 and Figure 2 To address the aforementioned problems, this utility model proposes a Hall effect PCB testing system, which includes:

[0032] A DC power supply device 10 is electrically connected to the Hall PCB under test; the DC power supply device 10 is used to provide a stable power supply to the Hall PCB under test.

[0033] The testing device 20 is electrically connected to the Hall PCB under test. The testing device 20 is used to operate during operation so that the Hall PCB under test can detect the rotation speed of the testing device 20 and generate a corresponding Hall signal. The testing device 20 is also used to display the corresponding voltage value according to the Hall signal.

[0034] The main control device 30 is communicatively connected to the test device 20. The main control device 30 is used to output a test control signal to the test device 20 so that the test device 20 controls the Hall PCB under test to work according to the test control signal; and to receive the Hall signal and detect the fault information of the Hall PCB under test according to the Hall signal.

[0035] In this embodiment, the DC power supply device 10 can be implemented using an energy storage battery and a voltage conversion circuit 11, etc. By electrically connecting the output terminal of the DC power supply device 10 to the power input terminal of the Hall PCB under test, the power supply requirements of the Hall PCB under test are met, so that the Hall PCB under test can perform corresponding actions when receiving corresponding control signals.

[0036] Optionally, the DC power supply device 10 includes a voltage conversion circuit 11. The first terminal of the voltage conversion circuit 11 is electrically connected to the DC power supply terminal, and the second terminal of the voltage conversion circuit 11 is electrically connected to the test device 20. The voltage conversion circuit 11 is used to convert the first DC voltage input to the DC power supply terminal into a second DC voltage and output it. Depending on the type of Hall PCB under test and the type of energy storage battery, the voltage conversion circuit 11 can be implemented using a buck circuit (the average output voltage is always lower than the average input voltage), a boost / buck circuit (the average output voltage can be either lower or higher than the average input voltage), a boost circuit (the average output voltage is always higher than the average input voltage), or a Chuck circuit (a boost / buck circuit with continuous input and output currents and low harmonic content), etc., to match the output voltage of the DC power supply device 10 with the supply voltage of the Hall PCB under test.

[0037] In one embodiment, the testing device 20 can be implemented using a driving device such as a motor and a voltage detection device. It is understood that detecting the Hall element in the Hall PCB under test requires controlling the Hall element to operate normally, and the Hall element needs to be in a changing magnetic field so that it outputs a corresponding changing Hall signal when detecting the changing magnetic field, thereby confirming whether the detection accuracy of the Hall element in the Hall PCB under test meets the standard. The testing device 20 drives a magnetic structure using a driving device such as a motor, causing the magnetic field generated by the magnetic structure to change. This magnetic structure can be a corresponding structure on the Hall PCB under test or a corresponding structure in the testing device 20. The voltage detection device can be implemented using a corresponding voltage detection circuit, such as a voltage divider circuit, a differential amplifier circuit, or a comparator circuit, and a corresponding display component can be set to display the voltage value detected by the voltage detection circuit. The testing device 20 can indirectly confirm whether the Hall element in the Hall PCB under test meets the standard by confirming the changes in the current input to the driving device such as the motor and the voltage detection signal output by the voltage detection device. Specifically, depending on the Hall element, the relationship between the voltage detection signal output by the voltage detection device and the changing magnetic field is also different. For example, for a linear Hall sensor, the output voltage is directly or negatively proportional to the magnetic field strength. When the external magnetic field strength increases, the voltage value corresponding to the Hall signal output by the linear Hall sensor will increase or decrease accordingly. A digital Hall sensor, however, provides a switching state output, rather than a continuous voltage signal. Its output is typically a logic level and is related to the presence or absence of a magnetic field, rather than its specific strength. When there is no sufficiently strong magnetic field, the sensor outputs a stable logic level (e.g., low 0V). When the magnetic field strength exceeds a certain preset threshold, the sensor output state will change (e.g., become high 5V).

[0038] In one embodiment, the main control device 30 can be implemented using a host computer or other terminal. The main control device 30 further includes a communication module 33, which is communicatively connected to the test device 20. The communication module 33 can be implemented using a wired communication module 33 or a wireless communication module 33. The wired communication module 33 can be implemented using a local area network or a bus combined with a hub; the wireless communication module 33 can be implemented using a 4G module or a short-range communication module 33. Through its communicative connection to the test device 20, the main control device 30 can control the test device 20 and indirectly control the Hall PCB under test. For example, the main control device 30 can send corresponding test control signals to the test device 20 via the communication module 33, so that the test device 20 can adjust the speed of a drive device such as a motor. It should be understood that the Hall PCB under test needs to be programmed with a corresponding program to ensure the Hall elements in the Hall PCB function properly, and the programming of the Hall PCB under test needs to be performed by the main control device 30. Therefore, while the main control device 30 is not completing the programming process for the Hall PCB under test, the testing device 20 will be unable to effectively test the Hall elements in the Hall PCB. Furthermore, the main control device 30 can receive the Hall signal received by the testing device 20 via the communication module 33, thereby using the computing power of the main control device 30 to confirm the relationship between its output test control signal and the Hall signal, and thus confirm the fault information present in the Hall PCB.

[0039] By employing a Hall effect PCB testing system, the testing of Hall effect PCBs under test is performed, thereby improving the detection efficiency and accuracy of Hall effect PCBs in the power system of a vehicle. The Hall effect PCB testing system includes a DC power supply unit 10, a testing device 20, and a main control unit 30. The DC power supply unit 10 supplies power to the Hall effect PCB under test, enabling it to operate normally when receiving corresponding control signals. The testing device 20, electrically connected to the Hall effect PCB under test, operates a corresponding rotating structure to provide a changing magnetic field environment for the PCB, receives the Hall signals output by the PCB, and displays the voltage value. This allows the user to determine whether the Hall effect PCB is functioning correctly based on the voltage value, thus confirming whether the quality of the Hall effect PCB meets the standards. Furthermore, the main control unit 30, communicatively connected to the testing device 20, controls the testing of the PCB by the testing device 20, and determines the type of fault present in the Hall effect PCB by receiving the Hall signals received by the testing device 20, thereby improving the detection efficiency and accuracy of the Hall effect PCB.

[0040] refer to Figure 2In one embodiment of the present invention, the testing device 20 further includes a motor 21, which operates during operation to adjust the rotational speed of the Hall PCB detection testing device 20 under test and generate a corresponding Hall signal.

[0041] In this embodiment, the testing device 20 uses a motor 21 as the driving device to drive the magnetic structure. The driving circuit for the motor 21 can be located within the testing device 20 or on the PCB under test. By electrically connecting the motor 21 to the driving circuit, the motor 21 is driven to rotate when the driving circuit receives a corresponding driving signal. It is understood that by controlling the operation of the motor 21, the corresponding magnetic structure is controlled, causing a corresponding change in the magnetic field generated by the magnetic structure, which in turn causes a corresponding change in the Hall signal output by the Hall element. The change in the Hall signal will cause a corresponding change in its output voltage value. Therefore, the main control device 30 can confirm whether the Hall element on the Hall PCB under test meets the standards by acquiring the Hall signal output from the Hall PCB under test.

[0042] refer to Figure 2 In one embodiment of the present invention, the testing device 20 includes a control module 22, which is electrically connected to the motor 21 and communicatively connected to the main control device 30. The control module 22 is used to control the motor 21 to work according to the motor 21 control signal output by the main control device 30.

[0043] In this embodiment, the control module 22 can be implemented using an FPGA (Field Programmable Gate Array), PLC (Programmable Logic Controller), MCU (Microcontroller Unit), DSP (Digital Signal Processor), or SOC (System-on-Chip). The control module 22 communicates with the main control device 30 to receive or upload corresponding signals. The control module 22 is also electrically connected to the motor 21, allowing it to output corresponding control signals to the motor 21 to control its operating state. The main control device 30 can also indirectly control the motor 21 in the testing device 20 through a communication connection with the control module 22.

[0044] refer to Figure 2In one embodiment of this utility model, the testing device 20 further includes a voltage detection module 23. The input terminal of the voltage detection module 23 is electrically connected to the output terminal of the Hall element in the Hall PCB under test, and the output terminal of the voltage detection module 23 is electrically connected to the control module 22. The voltage detection module 23 is used to detect the output voltage of the Hall element in the Hall PCB according to the Hall signal, and display the corresponding voltage value and output the corresponding voltage detection signal.

[0045] In this embodiment, the voltage detection module 23 can be implemented using a voltage detection device with voltage detection circuits such as voltage divider circuits, differential amplifier circuits, and comparator circuits. Specifically, by electrically connecting the input terminal of the voltage detection module 23 to the output terminal of the Hall element in the Hall PCB, the output voltage signal is acquired and converted into a corresponding voltage detection signal. It is understood that the voltage detection module 23 also includes a corresponding analog-to-digital converter circuit so that its output voltage detection signal can be directly received as a digital signal by the control module 22. Furthermore, the voltage detection module 23 also includes a corresponding display component to display the detected voltage value, allowing the user to quickly confirm the operating status of the Hall element in the Hall PCB under test.

[0046] refer to Figure 2 In one embodiment of the present invention, the control module 22 is also electrically connected to the voltage detection module 23; the main control device 30 further includes a prompting module 31, which is communicatively connected to the control module 22.

[0047] The control module 22 is also used to receive the voltage detection signal output by the voltage detection module 23 and output a corresponding prompt control signal to the prompt module 31 so that the prompt module 31 outputs a corresponding prompt signal.

[0048] In this embodiment, the prompting module 31 can be implemented using a visual prompting module 31, a voice prompting module 31, etc. The visual prompting module 31 can be implemented using LED indicator lights, an LCD display screen, etc.; the voice prompting module 31 can be implemented using a buzzer, a speaker, etc. The prompting module 31 is electrically connected to the control device in the main control device 30, thereby indirectly communicating with the control module 22. It is understood that when the control module 22 confirms that the Hall element in the Hall PCB under test is malfunctioning or the motor 21 in the testing device 20 is malfunctioning, the control module 22 will output a corresponding prompting control signal to the main control device 30. The prompting module 31 then receives this prompting control signal and outputs a corresponding prompting signal, allowing the user to quickly confirm the detection status of the Hall PCB under test.

[0049] refer to Figure 2In one embodiment of the present invention, the main control device 30 further includes a storage module 32, which is communicatively connected to the control module 22.

[0050] In this embodiment, the storage module 32 can be implemented using a memory corresponding to actual needs, such as a hard disk or SD card. It is understood that in actual production testing, the number of Hall PCBs to be tested by the Hall PCB testing system is often quite large, and the test data obtained from different Hall PCBs will be different. Therefore, the Hall PCB testing system needs to store this data for timely retrieval and confirmation. By communicatively connecting the storage module 32 in the main control device 30 with the control module 22 in the testing device 20, the storage module 32 can store the data received and sent by the control module 22.

[0051] refer to Figure 2 In one embodiment of this utility model, the communication module 33 is also connected to the cloud for communication.

[0052] In this embodiment, the communication module 33 of the main control device 30 also establishes a communication connection with the cloud. Therefore, the user can remotely obtain the test status of the Hall PCB test system through the cloud. In addition, the user can also remotely send corresponding control commands to the main control device 30 of the Hall PCB test system through the cloud. The main control device 30 further sends corresponding control signals to the test device 20 by parsing the corresponding control commands. For example, adjusting the speed of the motor 21.

[0053] In one embodiment of this utility model, the Hall PCB testing system further includes:

[0054] The testing device 20 has a testing base and a mounting part, wherein the testing base is used to place the Hall PCB to be tested;

[0055] The mounting section is used to mount the motor 21 and the control module 22.

[0056] In this embodiment, the Hall PCB under test is first placed inside the test base, which is also located within the mounting section for testing purposes. When the Hall PCB is placed in the test base, the control module 22 located in the mounting section confirms the status of the Hall PCB using a device such as a button-triggered switch and uploads the corresponding signal to the main control device 30. The main control device 30 then sends the corresponding control signal to the control module 22, thereby controlling the motor 21 to operate. Optionally, under normal operating conditions, the control module 22 can automatically perform the corresponding test, following a fixed control scheme to control the motor 21 to operate in a preset speed adjustment mode.

[0057] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A Hall effect PCB testing system, characterized in that, The Hall PCB testing system includes: A DC power supply device is electrically connected to the Hall PCB under test; the DC power supply device is used to provide a stable power supply to the Hall PCB under test. A testing device is electrically connected to the Hall PCB under test. The testing device is used to operate during operation so that the Hall PCB under test detects the rotational speed of the testing device and generates a corresponding Hall signal. The testing device is also used to display the corresponding voltage value based on the Hall signal. The main control device is communicatively connected to the test device. The main control device is used to output a test control signal to the test device so that the test device controls the Hall PCB under test to work according to the test control signal; and to receive the Hall signal and detect fault information of the Hall PCB under test according to the Hall signal.

2. The Hall PCB testing system as described in claim 1, characterized in that, The testing device also includes a motor, which operates during operation to adjust the rotational speed of the Hall PCB under test detection testing device and generate a corresponding Hall signal.

3. The Hall PCB testing system as described in claim 2, characterized in that, The testing device includes a control module, which is electrically connected to the motor and communicatively connected to the main control device. The control module is used to control the motor to work according to the motor control signal output by the main control device.

4. The Hall effect PCB testing system as described in claim 3, characterized in that, The testing device further includes a voltage detection module. The input terminal of the voltage detection module is electrically connected to the output terminal of the Hall element in the Hall PCB under test, and the output terminal of the voltage detection module is electrically connected to the control module. The voltage detection module is used to detect the output voltage of the Hall element in the Hall PCB according to the Hall signal, and display the corresponding voltage value and output the corresponding voltage detection signal.

5. The Hall effect PCB testing system as described in claim 4, characterized in that, The control module is also electrically connected to the voltage detection module; the main control device also includes a prompting module, which is communicatively connected to the control module. The control module is also used to receive the voltage detection signal output by the voltage detection module and output a corresponding prompt control signal to the prompt module so that the prompt module outputs a corresponding prompt signal.

6. The Hall effect PCB testing system as described in claim 3, characterized in that, The main control device also includes a storage module, which is communicatively connected to the control module.

7. The Hall effect PCB testing system as described in claim 3, characterized in that, The main control device also includes a communication module, which is communicatively connected to the test device.

8. The Hall effect PCB testing system as described in claim 7, characterized in that, The communication module is also connected to the cloud.

9. The Hall PCB testing system as described in claim 1, characterized in that, The DC power supply device includes a voltage conversion circuit. The first terminal of the voltage conversion circuit is electrically connected to the DC power supply terminal, and the second terminal of the voltage conversion circuit is electrically connected to the test device. The voltage conversion circuit is used to convert the first DC voltage input to the DC power supply terminal into a second DC voltage and output it.

10. The Hall effect PCB testing system as described in claim 3, characterized in that, The Hall PCB testing system also includes: The testing device has a test base and a mounting part, wherein the test base is used to place the Hall PCB to be tested; The mounting section is used to mount the motor and the control module.

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