Hall sensor sensitivity detection equipment

Abstract

The utility model relates to the technical field of detection equipment, and discloses Hall sensor sensitivity detection equipment, which comprises a base, a support frame fixedly connected onto the base, a Hall voltmeter mounted on the support frame, two groups of first binding posts mounted on two sides of the Hall voltmeter, and fixing frames fixedly connected onto two sides of the base. The Hall sensor is fixedly connected with a fixed frame, a sliding telescopic rod is connected in the fixed frame in a sliding manner, one end of the sliding telescopic rod is fixedly connected with a telescopic frame, a conductive rod is fixedly connected onto the telescopic frame, and a conductive chuck is mounted on the conductive rod. The magnetic field intensity of the two sides of the Hall sensor is accurately adjusted, the performance of the Hall sensor module can be directly detected, and the detection precision of equipment is improved.

Description

Technical Field

[0001] This utility model relates to the field of detection equipment technology, specifically a Hall sensor sensitivity detection device. Background Technology

[0002] A Hall element is a magnetic sensor based on the Hall effect. It can be used to detect magnetic fields and their changes, and can be applied in various magnetic field-related applications. Hall elements have many advantages: they are robust, small in size, lightweight, long-lasting, easy to install, have low power consumption, high frequency, are vibration-resistant, and unaffected by dust, oil, moisture, salt spray, or other contaminants or corrosion.

[0003] In a practical application, Hall effect sensors are typically packaged with a sensor chip and pin frame encapsulated in a plastic shell, and connected via exposed pins. However, in actual use, Hall effect sensors with this packaging structure usually exhibit parameters such as sensitivity and response time to evaluate their performance.

[0004] Existing sensitivity detection methods require mounting the Hall sensor module onto a brushless DC inverter motor before performing overall performance testing. This results in low detection efficiency for the Hall sensor module, and the detection results are affected by the motor, leading to poor detection accuracy. Utility Model Content

[0005] The purpose of this invention is to provide a Hall sensor sensitivity detection device to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A Hall sensor sensitivity detection device includes a base, a support frame fixedly connected to the base, a Hall voltmeter mounted on the support frame, two sets of first terminals mounted on both sides of the Hall voltmeter, a fixed frame fixedly connected to both sides of the base, a sliding telescopic rod slidably connected inside the fixed frame, a telescopic frame fixedly connected to one end of the sliding telescopic rod, a conductive rod fixedly connected to the telescopic frame, a conductive clamp mounted on the conductive rod, a second terminal mounted on the conductive rod, the first terminals and the second terminals being connected by a wire, a slide rail fixedly connected to the base, a sliding seat slidably connected to the slide rail, a fixed rod fixedly connected to the sliding seat, two sets of symmetrically arranged lifting frames slidably connected to the fixed rod, an electromagnet fixedly connected to the lifting frame, the electromagnets being symmetrically arranged around the conductive clamp as the center, the two sets of electromagnets having opposite magnetic poles facing each other, and a controller mounted on the electromagnet;

[0008] The sliding telescopic rod is equipped with a first drive assembly for driving the sliding telescopic rod to slide and extend.

[0009] A second drive assembly is installed on the sliding seat, which is used to drive the two sets of lifting frames to move in opposite directions.

[0010] A third drive assembly is installed on the base to drive the sliding seat to slide.

[0011] As a further embodiment of this utility model: the first driving assembly includes a driving frame fixedly connected to the other end of the sliding telescopic rod, a first screw rotatably connected to the driving frame, and a threaded cylinder fixedly connected inside the fixed frame, the threaded cylinder being threadedly connected to the first screw.

[0012] As a further embodiment of this utility model: a first knob is fixedly connected to the drive end of the first screw.

[0013] As a further embodiment of this utility model: the second drive assembly includes a mounting bracket fixedly connected to the fixed rod, a double-ended screw is rotatably connected between the mounting bracket and the sliding seat, and drive cylinders are fixedly connected inside the two sets of lifting frames. The two sets of drive cylinders are symmetrically arranged at both ends of the double-ended screw, and the two sets of drive cylinders are threadedly connected to the double-ended screw.

[0014] As a further embodiment of this utility model, a second knob is fixedly connected to the drive end of the double-ended screw.

[0015] As a further improvement of this utility model: a hydraulic telescopic rod is installed on the base, and the output end of the hydraulic telescopic rod is fixedly connected to the sliding seat.

[0016] Compared with the prior art, the beneficial effects of this utility model are: by installing electromagnets with adjustable magnetic field strength on both sides of the Hall sensor, the magnetic field strength on both sides of the Hall sensor can be precisely adjusted, and the performance of the Hall sensor module can be directly detected, thereby improving the detection accuracy of the equipment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of a Hall sensor sensitivity detection device according to the present invention.

[0018] Figure 2 This is a schematic diagram of the structure of a Hall sensor sensitivity detection device according to the present invention.

[0019] Figure 3 This is a schematic diagram of the structure of a Hall sensor sensitivity detection device according to the present invention.

[0020] In the diagram: 1-base, 2-support frame, 3-Hall voltmeter, 4-first terminal, 5-fixed frame, 6-sliding telescopic rod, 7-telescopic frame, 8-conductive rod, 9-conductive clamp, 10-second terminal, 11-drive frame, 12-first screw, 13-threaded cylinder, 14-first knob, 15-slide rail, 16-sliding seat, 17-fixed rod, 18-lifting frame, 19-electromagnet, 20-controller, 21-double-ended screw, 22-drive cylinder, 23-second knob, 24-hydraulic telescopic rod, 25-mounting frame. Detailed Implementation

[0021] 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.

[0022] See Figures 1-3 In this embodiment of the present invention, a Hall sensor sensitivity detection device includes a base 1, a support frame 2 fixedly connected to the base 1, a Hall voltmeter 3 mounted on the support frame 2, two sets of first terminals 4 mounted on both sides of the Hall voltmeter 3, a fixing frame 5 fixedly connected to both sides of the base 1, a sliding telescopic rod 6 slidably connected inside the fixing frame 5, a telescopic frame 7 fixedly connected to one end of the sliding telescopic rod 6, a conductive rod 8 fixedly connected to the telescopic frame 7, a conductive clamp 9 mounted on the conductive rod 8, and a first terminal 4 mounted on the conductive rod 8. Two terminals 10, the first terminal 4 and the second terminal 10 are connected by a wire, a slide rail 15 is fixedly connected to the base 1, a slide seat 16 is slidably connected to the slide rail 15, a fixed rod 17 is fixedly connected to the slide seat 16, two sets of symmetrically arranged lifting frames 18 are slidably connected to the fixed rod 17, an electromagnet 19 is fixedly connected to the lifting frame 18, the electromagnets 19 are symmetrically arranged with the conductive clamp 9 as the center, the opposite magnetic poles of the two sets of electromagnets 19 are opposite to each other, and a controller 20 is installed on the electromagnet 19;

[0023] The sliding telescopic rod 6 is equipped with a first drive assembly for driving the sliding telescopic rod 6 to slide and extend; the sliding seat 16 is equipped with a second drive assembly for driving the two sets of lifting frames 18 to move towards each other; the base 1 is equipped with a third drive assembly for driving the sliding seat 16 to slide.

[0024] This invention first uses two sets of clamps to hold and fix the two sets of terminals of the Hall sensor. During this process, the sliding telescopic rod 6 can be moved and extended by the first drive component to adjust the relative distance between the two sets of clamps, thus accommodating the clamping and fixing of Hall sensors of different specifications. Then, the sliding seat 16 is moved closer to the clamps by the third drive component, so that the Hall sensor is located between the two sets of electromagnets 19. At this time, the controller 20 can control the electromagnets 19 to be energized and adjust the magnetic field strength between the two sets of electromagnets 19. At the same time, the second drive component can drive the two sets of electromagnets 19 to move towards each other, thereby adjusting the relative distance between the electromagnets 19 and the Hall sensor. The output voltage and current of the Hall voltmeter 3 can also be adjusted to adjust the input unit voltage, current and magnetic field strength of the Hall sensor. At this time, the sensitivity of the Hall sensor can be accurately detected by the Hall voltage reading on the Hall voltmeter 3.

[0025] In one instance of this embodiment, please refer to Figures 1-3 The first driving assembly includes a driving frame 11 fixedly connected to the other end of the sliding telescopic rod 6. A first screw 12 is rotatably connected to the driving frame 11. A threaded cylinder 13 is fixedly connected inside the fixed frame 5. The threaded cylinder 13 is threadedly connected to the first screw 12. A first knob 2314 is fixedly connected to the driving end of the first screw 12. The first driving assembly can drive the first screw 12 to rotate by turning the first knob 2314. The first screw 12 converts the rotational motion of the first screw 12 into the linear motion of the first screw 12 through the threaded connection with the threaded cylinder 13, thereby driving the first screw 12 to rotate and extend. The first screw 12 drives the driving frame 11 to extend and retract, and the driving frame 11 drives the sliding telescopic rod 6 to extend and retract.

[0026] In one instance of this embodiment, please refer to Figures 1-3 The second drive assembly includes a mounting bracket 25 fixedly connected to the fixed rod 17. A double-ended screw 21 is rotatably connected between the mounting bracket 25 and the sliding seat 16. A drive cylinder 22 is fixedly connected inside the two sets of lifting frames 18. The two sets of drive cylinders 22 are symmetrically arranged at both ends of the double-ended screw 21. The two sets of drive cylinders 22 are threadedly connected to the double-ended screw 21. A second knob 23 is fixedly connected to the drive end of the double-ended screw 21. The second drive assembly can drive the double-ended screw 21 to rotate by turning the second knob 23. The double-ended screw 21 converts the rotational motion of the double-ended screw 21 into the linear motion of the drive cylinder 22 through the threaded connection with the drive cylinder 22, thereby driving the two sets of lifting frames 18 to move in opposite directions.

[0027] In one instance of this embodiment, please refer to Figures 1-3A hydraulic telescopic rod 24 is installed on the base 1, and the output end of the hydraulic telescopic rod 24 is fixedly connected to the sliding seat 16. In this invention, the sliding seat 16 is slidable by the hydraulic telescopic rod 24.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A Hall sensor sensitivity detection device, comprising a base, characterized in that, A support frame is fixedly connected to the base, and a Hall voltmeter is installed on the support frame. Two sets of first terminals are installed on both sides of the Hall voltmeter. Fixed frames are fixedly connected to both sides of the base, and a sliding telescopic rod is slidably connected inside the fixed frame. A telescopic frame is fixedly connected to one end of the sliding telescopic rod, and a conductive rod is fixedly connected to the telescopic frame. A conductive clamp is installed on the conductive rod, and a second terminal is installed on the conductive rod. The first and second terminals are connected by a wire. A slide rail is fixedly connected to the base, and a sliding seat is slidably connected to the slide rail. A fixed rod is fixedly connected to the sliding seat, and two sets of symmetrically arranged lifting frames are slidably connected to the fixed rod. Electromagnets are fixedly connected to the lifting frames. The electromagnets are symmetrically arranged with the conductive clamp as the center, and the opposite magnetic poles of the two sets of electromagnets are opposite to each other. A controller is installed on the electromagnet. The sliding telescopic rod is equipped with a first drive assembly for driving the sliding telescopic rod to slide and extend. A second drive assembly is installed on the sliding seat, which is used to drive the two sets of lifting frames to move in opposite directions. A third drive assembly is installed on the base to drive the sliding seat to slide.

2. The Hall sensor sensitivity detection device according to claim 1, characterized in that, The first drive assembly includes a drive frame fixedly connected to the other end of the sliding telescopic rod, a first screw rotatably connected to the drive frame, and a threaded cylinder fixedly connected inside the fixed frame, the threaded cylinder being threadedly connected to the first screw.

3. The Hall sensor sensitivity detection device according to claim 2, characterized in that, A first knob is fixedly connected to the drive end of the first screw.

4. The Hall sensor sensitivity detection device according to claim 1, characterized in that, The second drive assembly includes a mounting bracket fixedly connected to a fixed rod. A double-ended screw is rotatably connected between the mounting bracket and the sliding seat. Two sets of drive cylinders are fixedly connected inside the two sets of lifting frames. The two sets of drive cylinders are symmetrically arranged at both ends of the double-ended screw, and the two sets of drive cylinders are threadedly connected to the double-ended screw.

5. The Hall sensor sensitivity detection device according to claim 4, characterized in that, A second knob is fixedly connected to the drive end of the double-ended screw.

6. The Hall sensor sensitivity detection device according to claim 1, characterized in that, A hydraulic telescopic rod is installed on the base, and the output end of the hydraulic telescopic rod is fixedly connected to the sliding seat.

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