Hall sensor detection device

Abstract

The invention relates to the technical field of detection devices, in particular to a Hall sensor detection device. The Hall sensor detection device comprises a support main body, and a first magnetic field generation device and a second magnetic field generation device which are arranged on the support main body. The first magnetic field generation device and the second magnetic field generation device are configured to adjust magnetic field intensity according to different Hall sensors to be detected. The support body is further provided with a bearing assembly used for bearing a Hall sensor to be detected, the bearing assembly is located between the first magnetic field generating device and the second magnetic field generating device, and the first magnetic field generating device and the second magnetic field generating device are movably connected with the support body. According to the Hall sensor detection device provided by the invention, magnetic fields with different intensities can be generated through the first magnetic field generation device and the second magnetic field generation device, detection of different Hall sensors to be detected is realized, the adaptability of the detection device is improved, and the device cost is reduced.

Description

Technical Field

[0001] The present disclosure relates to the technical field of detection devices, and in particular to a Hall sensor detection device. Background Art

[0002] Hall sensors have the advantages of being sensitive to magnetic fields, simple in structure, small in size, wide in frequency response, large in output voltage variation, and long in service life. They are widely used in the fields of detection, automation, computers, and information technology. Therefore, the performance detection of Hall sensors is of vital importance. Existing detection devices for Hall sensors usually use the corresponding electrical signals generated by the movement of the Hall sensors in the magnetic field to judge the performance of the Hall sensors. However, the performance detection of different types of Hall sensors needs to be carried out in magnetic fields of different intensities. Existing detection devices have poor adaptability and cannot detect different types of Hall sensors, resulting in high detection costs. Summary of the invention

[0003] In order to solve the above technical problems, the present disclosure provides a Hall sensor detection device.

[0004] The present disclosure provides a Hall sensor detection device, comprising:

[0005] A support body and a first magnetic field generating device and a second magnetic field generating device arranged on the support body, wherein the first magnetic field generating device and the second magnetic field generating device are both configured to adjust the magnetic field strength according to the difference of the Hall sensor to be tested;

[0006] The bracket body is also provided with a bearing assembly for bearing the Hall sensor to be tested, and the bearing assembly is located between the first magnetic field generating device and the second magnetic field generating device. The first magnetic field generating device and the second magnetic field generating device are respectively movably connected to the bracket body to adjust the distance between the first magnetic field generating device and / or the second magnetic field generating device and the Hall sensor to be tested on the bearing assembly.

[0007] Optionally, the first magnetic field generating device includes a first bracket and a first magnet detachably disposed on the first bracket, so as to generate different magnetic field strengths by replacing different first magnets;

[0008] The second magnetic field generating device includes a second bracket and a second magnet detachably disposed on the second bracket, so as to generate different magnetic field strengths by replacing different second magnets.

[0009] Optionally, the first magnetic field generating device, the bearing assembly and the second magnetic field generating device are arranged in sequence from top to bottom along the vertical direction of the bracket body;

[0010] A slide rail is extended on the bracket body along its vertical direction, the first magnetic field generating device and the second magnetic field generating device are both slidably connected to the slide rail, and the second magnet and the first magnet are coaxially arranged opposite to each other vertically.

[0011] Optionally, a first sliding block is provided on the first bracket, and the first sliding block is slidably connected to the sliding rail;

[0012] The second bracket is provided with a second sliding block, and the second sliding block is slidably connected to the sliding rail.

[0013] Optionally, a fixing groove is provided on the bracket body extending along its vertical direction, and the fixing groove is a through groove penetrating the bracket body;

[0014] The first bracket is also provided with a first locking block, the first locking block is slidably connected with the fixing groove, the first locking block is provided with a first connecting hole, and the first locking block is fixed to the fixing groove by a first fastener penetrating the fixing groove and the first connecting hole;

[0015] A second locking block is also provided on the second bracket, the second locking block is slidably connected to the fixing groove, a second connecting hole is provided on the second locking block, and the second locking block is fixed to the fixing groove by a second fastener penetrating the fixing groove and the second connecting hole.

[0016] Optionally, a displacement scale is provided on the slide rail extending along the vertical direction thereof.

[0017] Optionally, a mounting block is provided on the bracket body, and the bearing assembly includes a bearing base and a plurality of clamping mechanisms arranged on the bearing base, the bearing base is supported on the mounting block and fixedly connected to the mounting block, and the clamping mechanism limits the circuit board integrated with the Hall sensor to be tested on the bearing base.

[0018] Optionally, the mounting block is slidably connected to the bracket body along a first direction, and the bearing assembly is slidably connected to the mounting block along a second direction, the second direction is perpendicular to the first direction, and the second direction and the first direction are both perpendicular to the vertical direction.

[0019] Optionally, a slide groove is provided on the bracket body extending along the first direction, and the mounting block is slidably connected to the slide groove, so that the mounting block slides in the slide groove to drive the bearing base to move along the first direction;

[0020] The mounting block is provided with a mounting groove extending along the second direction, the mounting groove is a through groove penetrating the mounting block, the bearing base is slidably connected to the mounting groove, and is fixed to the mounting block via a connecting piece penetrating the mounting groove.

[0021] Optionally, the number of the clamping mechanisms is two groups, and each group of the clamping mechanisms includes a stopper and a toggle clamp that are arranged opposite to each other;

[0022] The stopper and the toggle clamp of one group of the clamping mechanisms are arranged relatively to each other along the length direction of the circuit board, and the stopper and the toggle clamp of another group of the clamping mechanisms are arranged relatively to each other along the width direction of the circuit board to limit the circuit board between the stopper and the toggle clamp.

[0023] Compared with the prior art, the technical solution provided by the present invention has the following advantages:

[0024] The Hall sensor detection device provided by the present disclosure includes a support body and a first magnetic field generating device and a second magnetic field generating device arranged on the support body. The support body is also provided with a bearing assembly for bearing the Hall sensor to be tested, and the bearing assembly is located between the first magnetic field generating device and the second magnetic field generating device. That is, the first magnetic field generating device and the second magnetic field generating device are respectively arranged on both sides of the Hall sensor to be tested, and the first magnetic field generating device and the second magnetic field generating device are respectively movably connected to the support body to adjust the distance between the first magnetic field generating device and / or the second magnetic field generating device and the Hall sensor to be tested on the bearing assembly. In this way, the first magnetic field generating device and the second magnetic field generating device can be moved on the support body alone or simultaneously to adjust their distances relative to the Hall sensor to be tested alone or simultaneously, so that the magnetic field strength generated between the first magnetic field generating device and the second magnetic field generating device can be flexibly adjusted according to user needs, thereby realizing the detection of the performance of the Hall sensor to be tested through the changing magnetic field strength; at the same time, the first magnetic field generating device and the second magnetic field generating device are both configured to adjust the magnetic field strength according to the different Hall sensors to be tested, so that the performance of the Hall sensors to be tested can be detected according to different types of Hall sensors to be tested, thereby improving the adaptability of the detection device and reducing the device cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0027] Figure 1 It is a structural schematic diagram of a Hall sensor detection device according to an embodiment of the present invention;

[0028] Figure 2 A schematic structural diagram of a bracket body according to an embodiment of the present invention;

[0029] Figure 3 It is a structural schematic diagram of a first magnetic field generating device according to an embodiment of the present invention;

[0030] Figure 4 It is a structural schematic diagram of a second magnetic field generating device according to an embodiment of the present invention;

[0031] Figure 5 It is a structural schematic diagram of a bearing assembly according to an embodiment of the present invention.

[0032] Reference numerals:

[0033] 1. bracket body; 11. slide rail; 12. fixing groove; 13. mounting block; 131. first mounting block; 1311. first mounting groove; 132. second mounting block; 1321. second mounting groove; 14. slide groove;

[0034] 2. first magnetic field generating device; 21. first bracket; 22. first slider; 23. first magnet; 24. first locking block;

[0035] 3. Second magnetic field generating device; 31. Second bracket; 32. Second slider; 33. Second magnet; 34. Second locking block;

[0036] 4. bearing assembly; 41. bearing base; 42. clamping mechanism; 421. stopper; 422. elbow clamp;

[0037] 5. Circuit board; 51. Hall sensor to be tested. DETAILED DESCRIPTION

[0038] In order to more clearly understand the above-mentioned objectives, features and advantages of the present disclosure, the scheme of the present disclosure will be further described below. It should be noted that the embodiments of the present disclosure and the features in the embodiments can be combined with each other without conflict.

[0039] In the following description, many specific details are set forth to facilitate a full understanding of the present disclosure, but the present disclosure may also be implemented in other ways different from those described herein; it is obvious that the embodiments in the specification are only part of the embodiments of the present disclosure, rather than all of the embodiments.

[0040] The Hall sensor detection device disclosed in the present invention is described in detail below through specific embodiments:

[0041] Reference Figures 1 to 5 As shown, a Hall sensor detection device provided by an embodiment of the present invention includes a bracket body 1 and a first magnetic field generating device 2 and a second magnetic field generating device 3 arranged on the bracket body 1.

[0042] Among them, the first magnetic field generating device 2 and the second magnetic field generating device 3 are both configured to adjust the magnetic field strength according to the different Hall sensors 51 to be tested; a supporting component 4 for supporting the Hall sensor 51 to be tested is also provided on the bracket body 1, and the supporting component 4 is located between the first magnetic field generating device 2 and the second magnetic field generating device 3, that is, the first magnetic field generating device 2 and the second magnetic field generating device 3 are respectively arranged on both sides of the Hall sensor 51 to be tested, and the first magnetic field generating device 2 and the second magnetic field generating device 3 are respectively movably connected to the bracket body 1.

[0043] The first magnetic field generating device 2 and the second magnetic field generating device 3 can move on the bracket body 1 individually or simultaneously to adjust their distances relative to the Hall sensor 51 to be tested on the supporting component 4 individually or simultaneously, so that the magnetic field strength generated between the first magnetic field generating device 2 and the second magnetic field generating device 3 can be flexibly adjusted according to user needs, thereby realizing the detection of the performance of the Hall sensor 51 to be tested by changing the magnetic field strength; at the same time, the first magnetic field generating device 2 and the second magnetic field generating device 3 are both configured to adjust the magnetic field strength according to the different Hall sensors 51 to be tested, so that the performance of different types of Hall sensors 51 to be tested can be detected, thereby improving the adaptability of the detection device and reducing the cost of the device.

[0044] In addition, a more closed magnetic field can be provided to the Hall sensor 51 to be tested through the first magnetic field generating device 2 and the second magnetic field generating device 3, so that the magnetic field can be perpendicular to the Hall sensor 51 to be tested located between the first magnetic field generating device 2 and the second magnetic field generating device 3, thereby improving the accuracy of the detection result, and the magnetic field near the Hall sensor 51 to be tested can be equivalent to a uniform magnetic field. Through the uniform magnetic field, more accurate relevant parameters of the Hall sensor 51 to be tested can be obtained to calibrate the performance of the Hall sensor 51 to be tested.

[0045] Specifically, when the Hall sensor 51 to be tested moves in the magnetic field, the generated Hall voltage U is proportional to the magnetic field strength B and the current I passing through the Hall sensor 51 to be tested, and there is a certain quantitative relationship. When any two of the Hall voltage U, the magnetic field strength B and the current I are known, the value of the third one can be calculated based on a certain mathematical model. The Hall sensor detection device provided by the present disclosure can provide a uniform and stable magnetic field strength B, so that the calculated relevant parameters of the Hall sensor 51 to be tested can be more accurate. Therefore, by comparing the deviation between the measured parameters and the calculated parameters, the performance of the corresponding Hall sensor 51 to be tested can be known. In this embodiment, the nominal current I is input to the pin on the Hall sensor 51 to be tested. 输入 , measure the voltage value U at the output end of the Hall sensor 51 to be tested 输出 , according to the current I 输入 , calculate the magnetic field strength B to obtain the corresponding voltage value U 计算 . Compare the measured voltage value U 输出 And the calculated voltage value U 计算 The performance of the corresponding Hall sensor 51 to be tested can be judged by the size of the deviation.

[0046] It can be understood that the first magnetic field generating device 2 and the second magnetic field generating device 3 are respectively arranged on both sides of the Hall sensor 51 to be tested, so that the Hall sensor detection device can adapt to different installation directions of the Hall sensor 51 to be tested, that is, the performance test can be carried out when the Hall sensor 51 to be tested is arranged on the front and back sides of the circuit board 5.

[0047] In specific implementation, the first magnetic field generating device 2 includes a first bracket 21 and a first magnet 23 detachably arranged on the first bracket 21. The first magnetic field generating device 2 can generate different magnetic field strengths by replacing different first magnets 23; similarly, the second magnetic field generating device 3 includes a second bracket 31 and a second magnet 33 detachably arranged on the second bracket 31. The second magnetic field generating device 3 can generate different magnetic field strengths by replacing different second magnets 33 to adapt to different Hall sensors 51 to be tested to realize the detection of their performance, improve the adaptability of the detection device, and reduce the cost of the device.

[0048] Reference Figure 1As shown, the first magnetic field generating device 2, the bearing assembly 4 and the second magnetic field generating device 3 are arranged in sequence from top to bottom along the vertical direction of the bracket body 1. That is, the Hall sensor 51 to be tested is horizontally installed on the bearing assembly 4, the first magnetic field generating device 2 is located above the Hall sensor 51 to be tested, and the second magnetic field generating device 3 is located below the Hall sensor 51 to be tested. Such arrangement makes the direction of the magnetic field generated between the first magnetic field generating device 2 and the second magnetic field generating device 3 perpendicular to the Hall sensor 51 to be tested, that is, the magnetic field generated between the first magnetic field generating device 2 and the second magnetic field generating device 3 is distributed in the vertical direction.

[0049] In some embodiments, a slide rail 11 is provided on the bracket body 1 along its vertical direction, and the first magnetic field generating device 2 and the second magnetic field generating device 3 are both slidably connected to the slide rail 11. It can be understood that the first magnetic field generating device 2 and the second magnetic field generating device 3 can slide on the slide rail 11 to adjust the distance between the first magnetic field generating device 2 and the second magnetic field generating device 3 and the Hall sensor 51 to be tested on the bearing assembly 4 separately or simultaneously, so as to measure the electrical signal output by the output end of the Hall sensor 51 to be tested.

[0050] Reference Figure 3 As shown, the first bracket 21 is provided with a first slider 22, and the first slider 22 is slidably connected to the slide rail 11. The first slider 22 can drive the first bracket 21 to slide on the slide rail 11, thereby adjusting the distance between the first magnet 23 provided on the first bracket 21 and the Hall sensor 51 to be tested on the bearing assembly 4. Figure 4 As shown, the second bracket 31 is provided with a second slider 32, and the second slider 32 is slidably connected to the slide rail 11. The second slider 32 can drive the second bracket 31 to slide on the slide rail 11, so as to adjust the distance between the second magnet 33 provided on the second bracket 31 and the Hall sensor 51 to be tested on the bearing assembly 4. Then, by adjusting the distance between the first magnet 23 and the second magnet 33 and the Hall sensor 51 to be tested on the bearing assembly 4 separately or simultaneously, the electrical signal outputted from the output end of the Hall sensor 51 to be tested is measured.

[0051] Reference Figure 1 , Figure 3 and Figure 4As shown, the second magnet 33 and the first magnet 23 are arranged coaxially relative to each other vertically. That is to say, the centers of the first magnet 23 and the second magnet 33 are on a straight line, so that the magnetic fields generated by the first magnet 23 and the second magnet 33 can be evenly distributed and perpendicular to the Hall sensor 51 to be tested. It can be understood that the first magnet 23 and the second magnet 33 can be arranged relative to each other with the same poles or with different poles. As long as they can be arranged coaxially relative to each other to provide a uniform magnetic field, the present disclosure does not limit this. It should be noted that the first magnet 23 and the second magnet 33 can be detachably arranged on the first bracket 21 or the second bracket 31. Therefore, the detection of different Hall sensors 51 to be tested can be achieved by replacing the first magnet 23 and the second magnet 33 with different magnetic field strengths.

[0052] In some embodiments, reference Figure 2 As shown, the bracket body 1 is provided with a fixing groove 12 extending along its vertical direction, and the fixing groove 12 is a through groove penetrating the bracket body 1. In specific implementation, the first bracket 21 is also provided with a first locking block 24, which is slidably connected to the fixing groove 12, and the first locking block 24 is provided with a first connecting hole, and the first locking block 24 is fixed to the fixing groove 12 by a first fastener penetrating the fixing groove 12 and the first connecting hole, so as to fix the position of the first bracket 21 on the slide rail 11. The second bracket 31 is also provided with a second locking block 34, which is slidably connected to the fixing groove 12, and the second locking block 34 is provided with a second connecting hole, and the second locking block 34 is fixed to the fixing groove 12 by a second fastener penetrating the fixing groove 12 and the second connecting hole, so as to fix the position of the second bracket 31 on the slide rail 11. It is understandable that the first connecting hole and the second connecting hole can be set as threaded holes, and the positions of the first bracket 21 and the second bracket 31 on the slide rail 11 can be fixed by fasteners such as screws or bolts passing through the fixing groove 12.

[0053] Furthermore, a displacement scale is provided on the slide rail 11 extending along the vertical direction thereof. The displacement scale is used to measure the distance between the first magnet 23, the second magnet 33 and the Hall sensor. The displacement scale can be used to make the Hall sensor 51 to be tested be located at the center position between the first magnet 23 and the second magnet 33, or at a position close to the first magnet 23, or at a position close to the second magnet 33, so as to facilitate the subsequent performance test of the Hall sensor 51 to be tested.

[0054] In some embodiments, reference Figure 1As shown, a mounting block 13 is provided on the bracket body 1, and the bearing assembly 4 includes a bearing base 41 and a plurality of clamping mechanisms 42 provided on the bearing base 41, and the bearing base 41 is supported on the mounting block 13 and fixedly connected to the mounting block 13. That is to say, the position of the bearing assembly 4 on the bracket body 1 in this embodiment is fixed, and the position of the Hall sensor 51 to be tested in the magnetic field is changed by adjusting the positions of the first magnetic field generating device 2 and the second magnetic field generating device 3 on the slide rail 11. The clamping mechanism 42 limits the circuit board 5 integrated with the Hall sensor 51 to be tested on the bearing base 41. It can be understood that the circuit board 5 can be limited on the bearing assembly 4 by the clamping mechanism 42, and the circuit board 5 is integrated with the Hall sensor 51 to be tested, so as to achieve the fixation of the Hall sensor 51 to be tested, which is convenient for the later performance detection.

[0055] Furthermore, the mounting block 13 is slidably connected to the bracket body 1 along a first direction, and the bearing assembly 4 is slidably connected to the mounting block 13 along a second direction, the second direction is perpendicular to the first direction, and the second direction and the first direction are both perpendicular to the vertical direction. In other words, the bearing assembly 4 drives the circuit board 5 and the Hall sensor 51 to be tested to slide along the first direction and the second direction relative to the bracket body 1, thereby adjusting the position of the Hall sensor 51 to be tested on the bearing assembly 4, and finally making the center of the Hall sensor 51 to be tested, the center of the first magnet 23, and the center of the second magnet 33 on a straight line, thereby improving the detection accuracy of the Hall sensor detection device.

[0056] Reference Figure 2 As shown, a slide groove 14 is provided on the bracket body 1 extending along the first direction, and the mounting block 13 is slidably connected to the slide groove 14, so that the mounting block 13 slides in the slide groove 14 to drive the bearing base 41 to move along the first direction; a mounting groove is provided on the mounting block 13 extending along the second direction, and the mounting groove is a through groove that penetrates the mounting block 13, and the bearing base 41 is slidably connected to the mounting groove, and is fixed to the mounting block 13 by a connecting piece that penetrates the mounting groove. In this way, the bearing base 41 is moved relative to the bracket body 1 along the first direction and / or the second direction, and then the position of the Hall sensor to be tested carried on the bearing base 41 is adjusted, so that the center of the Hall sensor to be tested 51 is coaxial with the center of the first magnet 23 of the first magnetic field generating device 2 and the center of the second magnet 33 of the second magnetic field generating device 3.

[0057] Specifically, the mounting block 13 includes a first mounting block 131 and a second mounting block 132 sequentially arranged along the first direction, and a slide groove 14 is extended along the first direction on the bracket body 1, and the first mounting block 131 and the second mounting block 132 are both slidably connected with the slide groove 14, so that the first mounting block 131 and / or the second mounting block 132 slide in the slide groove 14 to drive the bearing base 41 to move along the first direction. It can be understood that the bearing base 41 in the bearing assembly 4 is fixedly connected to the mounting block 13, and when the first mounting block 131 and the second mounting block 132 slide in the slide groove 14 alone or simultaneously, the bearing base 41 drives the circuit board 5 and the Hall sensor 51 to be tested to move along the first direction.

[0058] Further, the first mounting block 131 is provided with a first mounting groove 1311 extending along the second direction, the first mounting groove 1311 is a through groove penetrating the first mounting block 131, the second mounting block 132 is provided with a second mounting groove 1321 extending along the second direction, the second mounting groove 1321 is a through groove penetrating the second mounting block 132, the bearing base 41 is slidably connected with the first mounting groove 1311 and the second mounting groove 1321, when the bearing base 41 slides in the slide groove 14, the bearing base 41 drives the circuit board 5 and the Hall sensor 51 to be tested to move along the second direction, at this time, combined with the movement of the Hall sensor 51 to be tested along the first direction, the position of the Hall sensor 51 to be tested can be adjusted, and it can be coaxially arranged with the first magnet 23 and the second magnet 33. It can be understood that the bearing base 41 is fixed by a plurality of third fasteners penetrating the first mounting groove 1311 and a plurality of fourth fasteners penetrating the second mounting groove 1321.

[0059] Reference Figure 5 As shown, there are two groups of clamping mechanisms 42, each group of clamping mechanisms 42 includes a stopper 421 and a toggle clamp 422 arranged opposite to each other, wherein the stopper 421 and the toggle clamp 422 of one group of clamping mechanisms 42 are arranged opposite to each other along the length direction of the circuit board 5, and the stopper 421 and the toggle clamp 422 of the other group of clamping mechanisms 42 are arranged opposite to each other along the width direction of the circuit board 5, so as to limit the circuit board 5 between the stopper 421 and the toggle clamp 422. Specifically, the positions of the stopper 421 and the toggle clamp 422 can be set at different positions of the bearing base 41 as required, so as to limit the circuit board 5 and the Hall sensor 51 to be tested on the bearing base 41. It should be noted that the number of blocks 421 and elbow clamps 422 can be a single block 421 and a single elbow clamp 422, or a single block 421 and multiple elbow clamps 422, or multiple blocks 421 and a single elbow clamp 422, or multiple blocks 421 and multiple elbow clamps 422. The present disclosure does not impose any restrictions on this, as long as the length and width directions of the circuit board 5 can be limited.

[0060] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0061] The above description is only a specific embodiment of the present disclosure, so that those skilled in the art can understand or implement the present disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to the embodiments described herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A Hall sensor detection device, characterized in that: include: A support body and a first magnetic field generating device and a second magnetic field generating device arranged on the support body, wherein the first magnetic field generating device and the second magnetic field generating device are both configured to adjust the magnetic field strength according to the difference of the Hall sensor to be tested; The bracket body is also provided with a bearing assembly for bearing the Hall sensor to be tested, and the bearing assembly is located between the first magnetic field generating device and the second magnetic field generating device. The first magnetic field generating device and the second magnetic field generating device are respectively movably connected to the bracket body to adjust the distance between the first magnetic field generating device and / or the second magnetic field generating device and the Hall sensor to be tested on the bearing assembly.

2. The Hall sensor detection device according to claim 1, characterized in that: The first magnetic field generating device comprises a first bracket and a first magnet detachably arranged on the first bracket, so as to generate different magnetic field strengths by replacing different first magnets; The second magnetic field generating device includes a second bracket and a second magnet detachably disposed on the second bracket, so as to generate different magnetic field strengths by replacing different second magnets.

3. The Hall sensor detection device according to claim 2, characterized in that: The first magnetic field generating device, the bearing assembly and the second magnetic field generating device are arranged in sequence from top to bottom along the vertical direction of the bracket body; A slide rail is extended on the bracket body along its vertical direction, the first magnetic field generating device and the second magnetic field generating device are both slidably connected to the slide rail, and the second magnet and the first magnet are coaxially arranged opposite to each other vertically.

4. The Hall sensor detection device according to claim 3, characterized in that: The first bracket is provided with a first sliding block, and the first sliding block is slidably connected with the sliding rail; The second bracket is provided with a second sliding block, and the second sliding block is slidably connected to the sliding rail.

5. The Hall sensor detection device according to claim 4, characterized in that: The bracket body is provided with a fixing groove extending along its vertical direction, and the fixing groove is a through groove penetrating the bracket body; The first bracket is also provided with a first locking block, the first locking block is slidably connected with the fixing groove, the first locking block is provided with a first connecting hole, and the first locking block is fixed to the fixing groove by a first fastener penetrating the fixing groove and the first connecting hole; A second locking block is also provided on the second bracket, the second locking block is slidably connected to the fixing groove, a second connecting hole is provided on the second locking block, and the second locking block is fixed to the fixing groove by a second fastener penetrating the fixing groove and the second connecting hole.

6. The Hall sensor detection device according to claim 3, characterized in that: A displacement scale is provided on the slide rail extending along the vertical direction thereof.

7. The Hall sensor detection device according to any one of claims 1 to 6, characterized in that: A mounting block is provided on the bracket body, and the bearing assembly includes a bearing base and a plurality of clamping mechanisms provided on the bearing base. The bearing base is supported on the mounting block and fixedly connected to the mounting block, and the clamping mechanism limits the circuit board integrated with the Hall sensor to be tested on the bearing base.

8. The Hall sensor detection device according to claim 7, characterized in that: The mounting block is slidably connected to the bracket body along a first direction, and the bearing assembly is slidably connected to the mounting block along a second direction, the second direction is perpendicular to the first direction, and the second direction and the first direction are both perpendicular to the vertical direction.

9. The Hall sensor detection device according to claim 8, characterized in that: A slide groove is provided on the bracket body extending along the first direction, and the mounting block is slidably connected to the slide groove, so that the mounting block slides in the slide groove to drive the bearing base to move along the first direction; The mounting block is provided with a mounting groove extending along the second direction, the mounting groove is a through groove penetrating the mounting block, the bearing base is slidably connected to the mounting groove, and is fixed to the mounting block via a connecting piece penetrating the mounting groove.

10. The Hall sensor detection device according to claim 7, characterized in that: The number of the clamping mechanisms is two groups, and each group of the clamping mechanisms includes a stopper and a toggle clamp that are arranged oppositely; The stopper and the toggle clamp of one group of the clamping mechanisms are arranged relatively to each other along the length direction of the circuit board, and the stopper and the toggle clamp of another group of the clamping mechanisms are arranged relatively to each other along the width direction of the circuit board to limit the circuit board between the stopper and the toggle clamp.

Images