A system for detecting the output signal of a hall angle sensor

Abstract

The application provides a Hall angle sensor output signal detection system, comprising: a swing device, which is provided with a magnetic element; a switch, which is electrically connected with a direct current switching power supply; a signal acquisition unit, which is electrically connected with the switch; the signal acquisition unit generates magnetic induction with the magnetic element, and collects the angle parameter of the swing device swing through the change of the induced magnetic field; a control unit, which is electrically connected with the switch and the signal acquisition unit; a driving unit, which is electrically connected with the control unit; the driving unit is connected with the swing device and drives the swing device to swing; a host computer, which is electrically connected with the control unit; the host computer can control the opening and closing and operation of the control unit. The signal acquisition unit generates magnetic induction with the magnetic element based on the Hall effect, and non-contact converts the change of the magnetic field into the angle parameter, which avoids the wear and error caused by mechanical contact, ensures the measurement accuracy without degradation in long-term use, and ensures the real-time collection and processing of the angle parameter; the host computer provides a man-machine interface, which allows the user to remotely control and visualize the data.

Description

Technical Field

[0001] This utility model relates to the technical field, and in particular to a Hall effect angle sensor output signal detection system. Background Technology

[0002] As agricultural machinery transforms towards electrification and intelligence, Hall effect angle sensors, as the sensing component, provide precise angle or position signals to the system, forming the data foundation for accurate operation and efficiency improvement. Traditionally, the method for detecting sensor output signals involves manually measuring each signal with a multimeter or observing the output curve with an oscilloscope. This requires operators to not only be proficient in using the tools but also to accurately determine whether the output signal at each angle meets requirements, severely limiting work efficiency and compromising product consistency. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a Hall effect angle sensor output signal detection system to address the shortcomings of the prior art and solve the consistency problem of Hall effect angle sensors.

[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a Hall effect angle sensor output signal detection system, comprising: A swinging device with a magnetic component.

[0005] The switch is electrically connected to the DC switching power supply.

[0006] The signal acquisition unit is electrically connected to the switch. It generates magnetic induction with the magnetic component and acquires the angular parameters of the swing device's swing by detecting changes in the induced magnetic field.

[0007] The control unit is electrically connected to the switch and the signal acquisition unit, respectively.

[0008] The drive unit is electrically connected to the control unit. It connects to the swinging device and drives the swinging device to swing.

[0009] The host computer is electrically connected to the control unit. It can control the start-up, shutdown, and operation of the control unit.

[0010] The host computer and DC switching power supply are powered on. When the switch is turned on, both the signal acquisition unit and the control unit are powered on. Triggering the button on the host computer to start the control unit activates the drive unit, which in turn drives the swinging device to swing. The signal acquisition unit collects the swing angle parameters of the device during operation and converts them into voltage signals, which are then transmitted to the control unit. The control unit transmits the voltage signals to the host computer, which displays the swing angle parameters.

[0011] In some embodiments, the signal acquisition unit includes: a first power positive connection terminal, a first power negative connection terminal, and an output signal connection terminal.

[0012] The control unit includes input signal connection terminals.

[0013] The first power positive connection terminal of the signal acquisition unit is connected to the switch, the first power negative connection terminal is connected to the ground terminal, and the output signal connection terminal is electrically connected to the input signal connection terminal, which is used to transmit the swing angle parameters acquired by the signal acquisition unit to the control unit.

[0014] In some embodiments, the signal acquisition unit is an angle sensor.

[0015] In some embodiments, the control unit further includes: a second power positive connection terminal, a second power negative connection terminal, and two first drive output terminals.

[0016] The control unit's second power positive connection terminal is connected to the switch, the second power negative connection terminal is connected to the ground terminal, and the two first drive output terminals are respectively connected to the two ends of the drive unit.

[0017] In some embodiments, the drive unit is a stepper motor.

[0018] In some embodiments, the control unit further includes a second drive output terminal, which is connected to an audible and visual alarm.

[0019] In some embodiments, the control unit further includes two first communication connection terminals, and the host computer includes two second communication connection terminals, with one first communication connection terminal corresponding to one second communication connection terminal.

[0020] In some embodiments, the control unit is a controller.

[0021] In some embodiments, the magnetic element is a magnet.

[0022] This invention offers the following advantages: The detection system integrates a swing device, a signal acquisition unit, and a control unit, achieving automated detection of the swing angle. The signal acquisition unit, based on the Hall effect and magnetic induction with magnetic components, non-contactly converts magnetic field changes into angle parameters, avoiding wear and errors caused by mechanical contact and ensuring that measurement accuracy does not degrade over long-term use. The control unit, acting as a relay unit, coordinates the work of the drive unit and the signal acquisition unit, ensuring real-time acquisition and processing of angle parameters and guaranteeing product consistency. The host computer provides a human-machine interface, allowing users to remotely control and visualize data.

[0023] This process achieves high-precision angle detection through a chain of "magnetic induction - electrical signal - data transmission". Non-contact measurement reduces mechanical friction, improving the system's durability and reliability; automated processes reduce manual intervention and improve detection efficiency; and the integration with the host computer enables data recording and analysis, supporting further optimization. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the Hall effect angle sensor output signal detection system provided in the embodiments of this application; Figure 2 A circuit diagram of the Hall effect angle sensor output signal detection system provided in the embodiments of this application; Figure 3 A graph showing the actual and theoretical values ​​of the Hall angle sensor output by the host computer in the embodiments of this application.

[0025] Figure label: 1. DC switching power supply; 2. Switch; 3. Signal acquisition unit; 3.1 First power supply positive connection terminal; 3.2 First power supply negative connection terminal; 3.3 Output signal connection terminal; 4. Control unit; 4.1 Input signal connection terminal; 4.2 First drive output terminal; 4.4 Second power positive connection terminal; 4.5 Second drive output terminal; 4.6 Second power negative connection terminal; 4.7 First communication connection terminal; 5. Drive unit; 6. Audible and visual alarm; 7. Host computer; 7.1. Second communication connection terminal; 100. Swinging device. Detailed Implementation

[0026] The present invention will now be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

[0027] In the description of this utility model, it should be understood that the terms "left side," "right side," "upper part," "lower part," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. "First," "second," etc., do not indicate the importance of the components, and therefore should not be construed as a limitation of this utility model. The specific dimensions used in this embodiment are only for illustrating the technical solution and do not limit the protection scope of this utility model.

[0028] Please see Figure 1 , Figure 2 as well as Figure 3 , Figure 1 This is a schematic diagram of the Hall effect angle sensor output signal detection system provided in an embodiment of this application. Figure 2 This is a circuit diagram of the Hall effect angle sensor output signal detection system provided in an embodiment of this application. Figure 3 This is a graph showing the actual and theoretical values ​​of the Hall angle sensor output by the host computer 7 in this embodiment of the application. The Hall angle sensor output signal detection system includes: a swing device 100, a switch 2, a signal acquisition unit 3, a control unit 4, a drive unit 5, and a host computer 7. Switch 2 is electrically connected to DC switching power supply 1. Signal acquisition unit 3 is electrically connected to switch 2.

[0029] The swing device 100 is equipped with a magnetic component. The signal acquisition unit 3 generates magnetic induction with the magnetic component. By sensing the change in the magnetic field, the swing angle parameter of the swing device 100 is acquired. The detection system automatically completes angle acquisition, signal conversion and data display, which reduces manual operation and improves detection efficiency.

[0030] Control unit 4 is electrically connected to switch 2 and signal acquisition unit 3 respectively. Drive unit 5 is electrically connected to control unit 4, and drive swing device 100 to swing.

[0031] The host computer 7 is electrically connected to the control unit 4, and is used to control the opening, closing, and operation of the control unit 4. The host computer 7 displays angle parameters in real time (see details). Figure 3 This facilitates timely adjustments and fault diagnosis by users, enhancing the system's intelligence and operability.

[0032] The working process is as follows: Power on the host computer 7, power on the DC switching power supply 1, and turn on switch 2. This powers on both the signal acquisition unit 3 and the control unit 4. Triggering the button on the host computer 7 to start the control unit 4 causes the control unit 4 to drive the drive unit 5. The drive unit 5 drives the swing device 100 to swing. The signal acquisition unit 3 acquires the swing angle parameters of the swing device 100 during its working state and converts these parameters into voltage signals, which are then transmitted to the control unit 4. The control unit 4 transmits the voltage signals back to the host computer 7, which displays the swing angle parameters of the swing device 100.

[0033] In this way, the detection system, by integrating the swing device 100, the signal acquisition unit 3, and the control unit 4, achieves automated detection of the swing angle. The signal acquisition unit 3, based on the Hall effect and magnetic induction with magnetic components, non-contactly converts changes in the magnetic field into angle parameters, avoiding wear and errors caused by mechanical contact and ensuring that measurement accuracy does not degrade over long-term use, thus guaranteeing consistency. The control unit 4, acting as a relay unit, coordinates the work of the drive unit 4 and the signal acquisition unit 3, ensuring real-time acquisition and processing of angle parameters; the host computer 7 provides a human-machine interface, allowing users to remotely control and visualize data.

[0034] This process achieves high-precision angle detection through a chain of "magnetic induction - electrical signal - data transmission". Non-contact measurement reduces mechanical friction, improving the system's durability and reliability; automated processes reduce manual intervention and improve detection efficiency; and the integration of the host computer enables data recording and analysis, supporting further optimization.

[0035] In some examples, the signal acquisition unit 3 can be an angle sensor, such as a Hall effect angle sensor. Hall effect angle sensors provide high resolution and linearity, ensuring that angle detection errors are minimized. Hall effect angle sensors typically have temperature compensation and vibration resistance characteristics, which improve the stability of the system in harsh industrial environments.

[0036] In some embodiments, the signal acquisition unit 3 includes a first power positive connection terminal 3.1, a first power negative connection terminal 3.2, and an output signal connection terminal 3.3, and the control unit 4 includes an input signal connection terminal 4.1.

[0037] Among them, the first power positive connection terminal 3.1 of the signal acquisition unit 3 is connected to the switch 2, the first power negative connection terminal 3.2 is grounded, and the output signal connection terminal 3.3 is electrically connected to the input signal connection terminal 4.1, which is used to transmit the swing angle parameters acquired by the signal acquisition unit 3 to the control unit 4.

[0038] In this way, the positive power supply terminal 3.1 and the negative power supply terminal 3.2 ensure that the signal acquisition unit receives stable power, reduce the impact of voltage fluctuations on measurement accuracy, and improve the measurement accuracy and repeatability of the signal acquisition unit 3; the direct electrical connection between the output signal connection terminal 3.3 and the input signal connection terminal 4.1 forms a low-impedance signal path, which reduces the impact of electromagnetic interference and improves the quality of signal transmission.

[0039] In some embodiments, the control unit 4 may further include: a second power positive connection terminal 4.4, a second power negative connection terminal 4.6, and two first drive output terminals 4.2.

[0040] Among them, the second power positive connection terminal 4.4 of the control unit 4 is connected to the switch 2, the second power negative connection terminal 4.6 is grounded, and the two first drive output terminals 4.2 are connected to the drive unit 5.

[0041] The second power positive connection terminal 4.4, the second power negative connection terminal 4.6, and the two first drive output terminals 4.2 of the control unit 4 realize power distribution and drive signal output. The second power positive connection terminal 4.4 and the second power negative connection terminal 4.6 ensure that the control unit 4 itself receives an independent and stable power supply, avoiding power conflicts with the signal acquisition unit 3; furthermore, the second power positive connection terminal 4.4 and the second power negative connection terminal 4.6 provide the energy required for the operation of the control unit 4, while the first drive output terminals 4.2 generate drive signals according to the control logic, causing the drive unit 5 to operate according to instructions, thereby accurately adjusting the swing of the swing device. The first drive output terminals 4.2 are specifically used to connect to the drive unit 5, precisely controlling the action of the drive unit 5 by outputting pulses or analog signals.

[0042] In some embodiments, the control unit 4 may further include a second drive output terminal 4.5, which is connected to the audible and visual alarm 6.

[0043] By adding a second drive output terminal 4.5 and connecting it to an audible and visual alarm 6, the functionality of the control unit 4 is expanded. When the system detects an anomaly such as angle over-limit, signal loss, power failure, or an open or short circuit in the angle sensor, the drive unit 5 stops operating. The control unit 4 outputs a trigger signal through the second drive output terminal 4.5 to activate the audible and visual alarm 6, emitting sound and light signals to alert the user. This achieves proactive safety monitoring. The control unit 4 analyzes angle parameters or system status in real time, and immediately activates an alarm once a threshold is exceeded, providing immediate feedback to the user and preventing equipment damage or production accidents. Furthermore, the combination of the alarm function and angle detection facilitates rapid problem location and reduces downtime.

[0044] In some embodiments, the control unit 4 may further include two first communication connection terminals 4.7, and the host computer 7 includes two second communication connection terminals 7.1, with one first communication connection terminal 4.7 connected to one second communication connection terminal 7.1.

[0045] A point-to-point communication link is established between the control unit 4 and the host computer 7 by defining dedicated communication terminals such as RS-485, CAN, or Ethernet interfaces. The direct connection between the first communication terminal 4.1 and the second communication terminal 7.1 ensures high-speed data transmission. The control unit 4 sends angle parameters and status information to the host computer 7 and simultaneously receives control commands from the host computer 7. This process enables bidirectional data exchange: the first communication terminal 4.1 and the second communication terminal 7.1 use differential signals to reduce signal loss during long-distance transmission; the software on the host computer 7 can analyze the data in real time, enabling historical record recording, curve analysis, or remote control.

[0046] The first communication connection terminal 4.1 and the second communication connection terminal 7.1 support protocol standardization, such as Modbus, to ensure data real-time performance and integrity.

[0047] In some examples, control unit 4 is a controller, such as a PLC, microcontroller, or embedded system. The controller can store programs, perform complex calculations, and dynamically adjust the motion of the oscillating device based on real-time data, for example, to achieve a sine wave or stepped oscillation pattern, improving detection flexibility. The controller processes data from the signal acquisition unit through built-in algorithms, executes PID control or other logical operations, and precisely adjusts the drive unit 5; it also manages communication, alarms, and power distribution.

[0048] In some embodiments, the drive unit 5 is a stepper motor. In this way, the stepper motor, acting as the drive unit 5, achieves precise angular displacement control by receiving pulse signals from the control unit 4. Each pulse corresponds to a fixed angular step, enabling the swing device 100 to swing with high repeatability. The open-loop control of the stepper motor simplifies system design, eliminating the need for an additional encoder. This process ensures swing accuracy: the control unit 4 sends a pulse sequence through the first drive output terminal 4.2, which the stepper motor executes accurately, avoiding the slippage or accumulated errors of traditional motors. Simultaneously, the stepper motor has high torque at low speeds, making it suitable for the start-stop control of the swing device. Furthermore, the stepper motor has a fast response capability and high stability, reducing maintenance requirements. Additionally, the stepper motor maintains torque when stationary, resulting in low energy consumption and a long lifespan.

[0049] In some examples, the magnetic component is a magnet, such as a permanent magnet. The magnet generates a stable and strong magnetic field that interacts with the signal acquisition unit 3. The magnet's magnetic field distribution is uniform, ensuring that the magnetic field change is linearly related to the angle during oscillation; the permanent magnet requires no external power supply, simplifying the system structure. This process optimizes signal detection: the magnet's high energy product and temperature resistance ensure that the magnetic field remains stable during long-term use, reducing the calibration frequency; at the same time, the magnet is inexpensive and easy to install, improving the system's economy and durability.

[0050] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. A Hall effect angle sensor output signal detection system, characterized in that, include: A swinging device (100) is provided with a magnetic component; The switch (2) is electrically connected to the DC switching power supply (1); The signal acquisition unit (3) is electrically connected to the switch (2); it generates magnetic induction with the magnetic component and acquires the swing angle parameters of the swing device (100) by the change of the induced magnetic field; The control unit (4) is electrically connected to the switch (2) and the signal acquisition unit (3) respectively; The drive unit (5) is electrically connected to the control unit (4); it is connected to the swing device (100) and drives the swing device (100) to swing. The host computer (7) is electrically connected to the control unit (4); it is able to control the opening, closing and operation of the control unit (4); In this process, the host computer (7) is powered on, the DC switching power supply (1) is powered on, the switch (2) is turned on, and the signal acquisition unit (3) and the control unit (4) are powered on. The button on the host computer (7) used to start the control unit (4) is triggered, the control unit (4) drives the drive unit (5) to run, the drive unit (5) drives the swing device (100) to swing, the signal acquisition unit (3) collects the swing angle parameters of the swing device (100) in the working state, and converts the angle parameters into voltage signals and transmits them to the control unit (4). The control unit (4) transmits the voltage signals to the host computer (7), and the host computer (7) displays the swing angle parameters of the swing device (100).

2. The Hall effect angle sensor output signal detection system according to claim 1, characterized in that, The signal acquisition unit (3) includes: a first power positive connection terminal (3.1), a first power negative connection terminal (3.2), and an output signal connection terminal (3.3). The control unit (4) includes an input signal connection terminal (4.1). The first power positive connection terminal (3.1) of the signal acquisition unit (3) is connected to the switch (2), the first power negative connection terminal (3.2) is connected to the ground terminal, and the output signal connection terminal (3.3) and the input signal connection terminal (4.1) are electrically connected to transmit the swing angle parameters acquired by the signal acquisition unit (3) to the control unit (4).

3. The Hall effect angle sensor output signal detection system according to claim 2, characterized in that, The signal acquisition unit (3) is an angle sensor.

4. The Hall effect angle sensor output signal detection system according to claim 2, characterized in that, The control unit (4) further includes: a second power positive connection terminal (4.4), a second power negative connection terminal (4.6), and two first drive output terminals (4.2). The second power positive connection terminal (4.4) of the control unit (4) is connected to the switch (2), the second power negative connection terminal (4.6) is connected to the ground terminal, and the two first drive output terminals (4.2) are respectively connected to the two ends of the drive unit (5).

5. The Hall effect angle sensor output signal detection system according to claim 4, characterized in that, The drive unit (5) is a stepper motor.

6. The Hall effect angle sensor output signal detection system according to claim 4, characterized in that, The control unit (4) also includes a second drive output terminal (4.5), which is connected to the audible and visual alarm (6).

7. The Hall effect angle sensor output signal detection system according to claim 6, characterized in that, The control unit (4) further includes two first communication connection terminals (4.7), and the host computer (7) includes two second communication connection terminals (7.1). One first communication connection terminal (4.7) is connected to one second communication connection terminal (7.1).

8. The Hall effect angle sensor output signal detection system according to claim 7, characterized in that, The control unit (4) is a controller.

9. The Hall effect angle sensor output signal detection system according to claim 1, characterized in that, The magnetic component is a magnet.

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