Hall element testing device

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By designing a Hall component test device, using a movable solenoid and support arm, combined with the conductive sheet to contact the Hall component pins, the problem of troublesome and low efficiency of Hall component test wiring in the prior art is solved, and more efficient and accurate testing is achieved.

CN222545489UActive Publication Date: 2025-02-28SHENZHEN FEISHI CLOTHING CO LTD

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Patent Information

Application Number: CN202420953146.7
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-06
Publication Date: 2025-02-28
Estimated Expiration: 2034-05-06

AI Technical Summary

Technical Problem

The wiring operation is troublesome and inefficient during testing of existing Hall components. It requires frequent replacement of test seats and wiring, resulting in inefficient testing.

Method used

A Hall component testing device is designed, using a movable solenoid and support arm, which contacts the Hall component pins through conductive sheets to reduce wiring steps, and drives the solenoid and support arm through a micro motor to achieve rapid detection of Hall components of different sizes.

Benefits of technology

Improves the efficiency and accuracy of Hall component testing, reduces detection steps, can quickly adapt to Hall components of different sizes, and reduces operational complexity.

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Abstract

The utility model belongs to the technical field of Hall element testing, particularly relates to a Hall element testing device, and aims to solve the problems that wiring operation is troublesome and testing efficiency is low during Hall element testing in the prior art, and provides the following scheme that the Hall element testing device comprises a base, and two first fixing blocks are symmetrically and fixedly connected to the top of the base; the top of the base is symmetrically and fixedly connected with two supporting blocks, and the Hall element testing device further comprises conducting strips arranged in notches of the first supporting arm and the movable second supporting arm are in contact with pins of the Hall element, so that the wiring operation on the Hall element is omitted, the detection operation steps are reduced, the detection efficiency is improved, and the detection cost is reduced. Meanwhile, the distance between the movable second supporting arm and the first supporting arm can be adjusted, Hall elements of different sizes can be placed and detected, the Hall elements on the two sides are detected by arranging the movable solenoid, when one Hall element is detected, the other Hall element is placed, and the detection efficiency is improved.

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Description

Technical Field

[0001] The utility model relates to the technical field of Hall element testing, in particular to a Hall element testing device. Background Art

[0002] Hall elements are a type of magnetic sensor based on the Hall effect, which have many advantages. They have a strong structure, small size, light weight, long life, easy installation, low power consumption, high frequency (up to 1MHz), vibration resistance, and are not afraid of pollution or corrosion from dust, oil, water vapor, salt spray, etc. They have developed into a diverse family of magnetic sensor products and have been widely used in the fields of motor speed measurement, position detection, isolation control, etc.

[0003] In the existing testing of Hall elements, the Hall elements are usually welded to the circuit used to provide current testing for the Hall elements or the wiring test is performed using the Hall element test socket as a medium. The first method requires rewiring for each test, which makes the test operation cumbersome and inefficient, while the second method also requires replacing different Hall element test sockets when testing different Hall elements, resulting in low test efficiency. In view of the cumbersome wiring operation and low efficiency when testing Hall elements, we propose a Hall element testing device to solve the above-mentioned problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art in that the wiring operation is troublesome and the efficiency is low when testing the Hall element, and proposes a Hall element testing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A Hall element testing device comprises a base, the top of the base is symmetrically fixedly connected with two first fixing blocks, the top of the base is symmetrically fixedly connected with two supporting blocks, and the Hall element testing device also comprises:

[0007] An electromagnetic component is arranged on the top of the base, and is used to provide an electric magnetic field when testing the Hall element;

[0008] A driving assembly is arranged on the top of the base and is used to move the electromagnetic assembly to facilitate testing of the Hall element;

[0009] Two fixing components, the fixing components are arranged on corresponding supporting blocks, and the fixing components are used to fix and connect the Hall element.

[0010] In a possible design, the electromagnetic assembly includes a slider, which is disposed on two first fixed blocks, the slider is slidably connected to the two first fixed blocks, and a solenoid is fixedly connected to the top of the slider.

[0011] In a possible design, the driving assembly includes two first limit blocks, which are fixedly arranged on the top of the base, and the two first limit blocks are located between two support blocks. The two first limit blocks are rotatably connected to the same first threaded rod, and the first threaded rod passes through the slider and is threadedly connected to the slider. A micro motor is fixedly connected to the top of the base, and one end of the first threaded rod passes through one of the support blocks and is fixedly connected to the output end of the micro motor.

[0012] In one possible design, the fixing assembly includes a fixing plate, which is fixedly arranged on the top of the corresponding support block, the top of the fixing plate is fixedly connected to a first support arm, the top of the fixing plate is symmetrically fixedly connected to two second fixing blocks, and the two second fixing blocks are slidably connected to the same second support arm.

[0013] In a possible design, slots are provided at the tops of the first support arm and the second support arm, a plurality of conductive plates are fixedly connected to the insides of the two slots, a wire tube is fixedly connected to one side of the first support arm and the second support arm, and one end of the wire tube extends to the corresponding inner wall of the slot.

[0014] In a possible design, two second limit blocks are symmetrically fixedly connected to the top of the fixed plate, and the two second limit blocks are rotatably connected to the same second threaded rod. The second threaded rod passes through the first support arm and the second support arm respectively and is threadedly connected to the second support arm, and one end of the second threaded rod is fixedly connected to a knob.

[0015] In a possible design, a micro motor is fixedly connected to the top of the base, and one end of the first threaded rod passes through one of the support blocks and is fixedly connected to the output end of the micro motor.

[0016] In the present application, it is first determined whether the solenoid is located between the two support blocks. If not, the micromotor is started, and the micromotor drives the first threaded rod to rotate, so that the slider on the first threaded rod moves through the rotation of the first threaded rod, thereby moving the solenoid to the middle of the base, and then the micromotor stops starting. Then, according to the size of the Hall element to be tested, the knob is turned, and the knob drives the second threaded rod to rotate, driving the second support arm to move toward or away from the first support arm, so that the Hall element can be just placed in the notches on the first support arm and the second support arm. At the same time, the pins of the Hall element are fitted with the conductive sheets in the notches of the first support arm and the second support arm, and are connected in series through the lines in the wire tube using the conductive sheets, and then connected to an external Hall effect solenoid magnetic field tester.

[0017] After the Hall element is set up, the current is input to the Hall element through the instrument, and then the solenoid is started to energize the solenoid to generate a magnetic field, and then the micro motor is started. The first threaded rod drives the solenoid on the slider to approach the Hall element. The magnetic field generated by the current flowing through the solenoid causes the electrons in the Hall element to move due to the magnetic force of the magnetic field, resulting in a change in the voltage of the Hall element. At this time, the voltage change data of the Hall element is recorded. Then the solenoid continues to move toward the Hall element, so that the Hall element is placed inside the solenoid. The excitation current inside the solenoid is changed to change the size of the magnetic field inside the solenoid. The voltage in the Hall element is affected and recorded by using magnetic fields of different sizes, and the Hall element is further tested. Then the current guide in the solenoid can be converted, the positive and negative poles of the solenoid can be changed, and the Hall element is further tested and recorded to improve the accuracy of the Hall element test. After the test is completed, the micro motor is started in one direction and moves to another direction to test the next Hall element that has been placed. Finally, the quality of the Hall element is determined based on the recorded data.

[0018] Beneficial effects:

[0019] In the utility model, the Hall element testing device is provided with a conductive sheet in the notch of the first support arm and the second support arm in contact with the pin of the Hall element, thereby eliminating the wiring operation of the Hall element, reducing the detection operation steps, and improving the detection efficiency. At the same time, the movable second support arm can adjust the distance with the first support arm, and can perform placement detection on Hall elements of different sizes;

[0020] In the utility model, the Hall element testing device detects the Hall elements on both sides by setting a movable solenoid. When one Hall element is being tested, the other one has already been placed, thereby improving the testing efficiency.

[0021] In the utility model, the conductive sheets arranged in the slots of the first support arm and the movable second support arm are in contact with the pins of the Hall element, thereby eliminating the wiring operation of the Hall element, reducing the detection operation steps, and improving the detection efficiency. At the same time, the movable second support arm can adjust the distance with the first support arm, and can place and detect Hall elements of different sizes. By setting a movable solenoid to detect the Hall elements on both sides, when one Hall element is detected, the other has been placed, thereby improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A schematic diagram of the three-dimensional structure of a Hall element testing device proposed by the utility model;

[0023] Figure 2 A three-dimensional structural schematic diagram of a fixing base of a Hall element testing device proposed by the utility model;

[0024] Figure 3 The present invention is a schematic diagram of the three-dimensional structure of a conductive sheet of a Hall element testing device proposed by the present invention.

[0025] In the figure: 1, base; 2, first fixed block; 3, slider; 301, solenoid; 4, first threaded rod; 5, micro motor; 6, first limit block; 7, support block; 8, fixed plate; 801, second fixed block; 802, second limit block; 9, second threaded rod; 901, knob; 10, first support arm; 11, second support arm; 12, conductive sheet; 13, wire tube. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0027] Example 1

[0028] Reference Figure 1-3 A detection device includes a base 1, two first fixed blocks 2 are symmetrically fixedly connected to the top of the base 1, and two supporting blocks 7 are symmetrically fixedly connected to the top of the base 1. The Hall element testing device also includes an electromagnetic component arranged on the top of the base 1, and the electromagnetic component is used to provide an electric magnetic field when testing the Hall element. A driving component is arranged on the top of the base 1, and the driving component is used to move the electromagnetic component to facilitate the testing of the Hall element. The tops of the two supporting blocks 7 are fixedly connected with fixed components, and the fixed components are used to fix and wire the Hall element.

[0029] The electromagnetic component includes a slider 3, which is arranged on two first fixed blocks 2. The slider 3 is slidably connected to the two first fixed blocks 2. A solenoid 301 is fixedly connected to the top of the slider 3. The magnetic field is generated by the solenoid 301, and magnetic fields of different intensities can be generated according to different currents, thereby providing a variety of magnetic fields for testing Hall elements and improving the accuracy of the test.

[0030] The driving assembly includes two first limit blocks 6, which are fixedly arranged on the top of the base 1. The two first limit blocks 6 are located between two supporting blocks 7. The two first limit blocks 6 are rotatably connected to the same first threaded rod 4. The first threaded rod 4 penetrates the slider 3 and is threadedly connected to the slider 3. A micro motor 5 is fixedly connected to the top of the base 1. One end of the first threaded rod 4 penetrates one of the supporting blocks 7 and is fixedly connected to the output end of the micro motor 5. The solenoid 301 is moved left and right through the micro motor 5 to increase the magnetic field for the Hall elements on both sides and improve the test efficiency.

[0031] The fixing assembly includes a fixing plate 8, which is fixedly arranged on the top of the corresponding supporting block 7. A first supporting arm 10 is fixedly connected to the top of the fixing plate 8. Two second fixing blocks 801 are symmetrically fixedly connected to the top of the fixing plate 8. The same second supporting arm 11 is slidably connected to the two second fixing blocks 801. By arranging two fixing plates 8 on the left and right, two Hall elements can be placed to improve the test efficiency.

[0032] The first support arm 10 and the second support arm 11 are each provided with a slot on the top, and a plurality of conductive sheets 12 are fixedly connected to the inside of the two slots. A wire tube 13 is fixedly connected to one side of the first support arm 10 and the second support arm 11, and one end of the wire tube 13 extends to the inner wall of the corresponding slot. By providing a plurality of conductive sheets and connecting them with lines, the Hall element is placed on the conductive sheet, eliminating the wiring operation of the Hall element and improving the test rate.

[0033] The present application can be used in the field of Hall element testing technology, and can also be used in other fields applicable to the present application.

[0034] Example 2

[0035] refer to Figure 3 , improved on the basis of embodiment 1: a Hall element testing device, which is applied to the field of Hall element testing, two second limit blocks 802 are symmetrically fixedly connected to the top of the fixed plate 8, the two second limit blocks 802 are rotatably connected to the same second threaded rod 9, the second threaded rod 9 respectively penetrates the first support arm 10 and the second support arm 11 and is threadedly connected to the second support arm 11, one end of the second threaded rod 9 is fixedly connected to a knob 901, the spacing between the first support arm 10 and the second support arm 11 can be changed through the movable second support arm 11, and Hall elements of different sizes can be placed and tested.

[0036] However, as is well known to those skilled in the art, the working principle and wiring method of the micro motor 5 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art may make any selection according to their needs or convenience.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A Hall element testing device, comprising a base (1), two first fixing blocks (2) symmetrically fixedly connected to the top of the base (1), and two supporting blocks (7) symmetrically fixedly connected to the top of the base (1), characterized in that: The Hall element test device also includes: An electromagnetic component, the electromagnetic component is arranged on the top of the base (1), and the electromagnetic component is used to provide an electric magnetic field when testing the Hall element; A drive assembly, the drive assembly is arranged on the top of the base (1), and the drive assembly is used to move the electromagnetic assembly to facilitate testing of the Hall element; Two fixing components are provided, wherein the fixing components are arranged on corresponding support blocks (7), and the fixing components are used to fix and connect the Hall elements.

2. A Hall element testing device according to claim 1, characterized in that: The electromagnetic assembly comprises a slider (3), the slider (3) being arranged on two first fixed blocks (2), the slider (3) being slidably connected to the two first fixed blocks (2), and the top of the slider (3) being fixedly connected to a solenoid (301).

3. A Hall element testing device according to claim 1, characterized in that: The driving assembly comprises two first limit blocks (6), the two first limit blocks (6) are fixedly arranged on the top of the base (1), the two first limit blocks (6) are located between the two support blocks (7), the two first limit blocks (6) are rotatably connected to the same first threaded rod (4), and the first threaded rod (4) passes through the slider (3) and is threadedly connected to the slider (3).

4. A Hall element testing device according to claim 1, characterized in that: The fixing assembly comprises a fixing plate (8), the fixing plate (8) being fixedly arranged on the top of the corresponding supporting block (7), the top of the fixing plate (8) being fixedly connected to a first supporting arm (10), the top of the fixing plate (8) being symmetrically fixedly connected to two second fixing blocks (801), and the two second fixing blocks (801) being slidably connected to the same second supporting arm (11).

5. A Hall element testing device according to claim 4, characterized in that: The first support arm (10) and the second support arm (11) are each provided with a slot at the top, a plurality of conductive sheets (12) are fixedly connected inside the two slots, and a wire tube (13) is fixedly connected to one side of the first support arm (10) and the second support arm (11), and one end of the wire tube (13) extends to the inner wall of the corresponding slot.

6. A Hall element testing device according to claim 4, characterized in that: Two second limit blocks (802) are symmetrically fixedly connected to the top of the fixed plate (8); the two second limit blocks (802) are rotatably connected to the same second threaded rod (9); the second threaded rod (9) respectively passes through the first support arm (10) and the second support arm (11) and is threadedly connected to the second support arm (11); one end of the second threaded rod (9) is fixedly connected to a knob (901).

7. A Hall element testing device according to claim 3, characterized in that: A micro motor (5) is fixedly connected to the top of the base (1), and one end of the first threaded rod (4) passes through one of the support blocks (7) and is fixedly connected to the output end of the micro motor (5).