Magnetic sensor testing device

By designing a magnetic sensor testing device including an electromagnetic isolation device, an electromagnetic magnetic generator device and a sensor clamping structure, the problem of inability to isolate the influence of surrounding magnetic fields and the inability to multi-angle test in the prior art is solved, and high-accuracy test results and multi-stage testing requirements are achieved.

CN222580237UActive Publication Date: 2025-03-07TAIYUAN INST OF TECH

Patent Information

Application Number
CN202420687483.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-07
Publication Date
2025-03-07
Estimated Expiration
2034-04-07

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  • Figure CN222580237U_ABST
    Figure CN222580237U_ABST
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Abstract

The utility model provides a magnetic sensor testing device which comprises a testing device base used for supporting and testing and a clamping structure used for clamping a sensor, the sensor clamping structure is arranged in the center of the upper surface of the testing device base, and the left front end of the testing device base is in circuit connection with an electromagnetic display screen. The front end of the testing device base is provided with an electromagnetic control knob, and the right front end of the testing device base is in circuit connection with a sensor display screen. The utility model relates to a magnetic sensor testing device, which is characterized in that through arranging a testing device base, each part is orderly used on the testing device base, the efficiency of the device is increased, through arranging an electromagnetic isolation device, the device can be isolated from other magnetic field influences, and test results are selected. And through the arrangement of the central disc and the sensor clamping structure, the magnetic sensor is firmly fixed, and the situation that the test result is affected due to infirm clamping is prevented.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sensor testing, and in particular relates to a magnetic sensor testing device. Background Art

[0002] Magnetic sensor test device is a device used to test and detect the performance and characteristics of magnetic sensors. Magnetic sensor is a sensor used to measure and detect magnetic fields, commonly used in various application fields, such as automobiles, industrial automation, medical equipment, etc. At present, most magnetic sensor test devices do not have isolation during testing, which affects the test results, and cannot test magnetic sensors at multiple angles and multiple intensities.

[0003] The existing authorization number is CN220145220U. The present invention provides a magnetic angle sensor test device, which includes: a first substrate; a motor, which is arranged below the first substrate, and the motor shaft of the motor passes through the first substrate; a rotating shaft, which is arranged above the first substrate, and one end of the rotating shaft is coaxially connected with the motor shaft; a magnetic field source, which is used to generate an external magnetic field, and the magnetic field source is fixed to the other end of the rotating shaft; a second substrate, which is arranged above the magnetic field source, and there is a preset interval between the second substrate and the magnetic field source; a device test board, which is fixed on the second substrate, and the device test board is used to carry the magnetic angle sensor to be tested and is electrically connected to the magnetic angle sensor to be tested to output the angle signal generated by the magnetic angle sensor to be tested. Compared with the prior art, the magnetic angle sensor test device provided by the invention is not only small in size, light, portable, low in cost, and detachable between accessories, but also can flexibly adapt to multi-stage research and development test requirements. However, the above-mentioned magnetic sensor test device does not isolate the influence of the surrounding magnetic field, which has a certain impact on the test results, and cannot test the magnetic sensor at multiple angles. Therefore, it is necessary to provide a magnetic sensor test device to solve the above problems. Utility Model Content

[0004] The technical content of the utility model is to provide a magnetic sensor testing device.

[0005] In order to solve the above problems, the utility model provides a magnetic sensor testing device, comprising: a testing device base for supporting the test and a clamping structure for clamping the sensor, and the sensor clamping structure is arranged at the center of the upper surface of the testing device base, the left front end circuit of the testing device base is connected to an electromagnetic display screen, the front end of the testing device base is provided with an electromagnetic control knob, the right front end circuit of the testing device base is connected to the sensor display screen, the upper end of the testing device base is plugged with an electromagnetic isolation device, the upper surface of the testing device base is rotatably connected with four groups of electromagnetic magnetizing devices, and the center of the upper surface of the testing device base is fixedly connected with the sensor clamping structure through a central disk;

[0006] The electromagnetic magnetizing device comprises two fixing blocks on both sides, and the two fixing blocks on both sides are welded to the upper surface of the testing device base;

[0007] The central disc includes a bottom fixed cylinder, and the bottom fixed cylinder is welded to the upper surface of the test device base;

[0008] The sensor clamping structure comprises a fixing block which is welded on the central disc.

[0009] As a further solution of the present utility model, the test device base is provided with a connection circuit that cooperates with an electromagnetic display screen, a sensor display screen, and an electromagnetic magnetizing device, the inside of the test device base is provided with a cavity for an electromagnetic device and an electromagnetic detection device, the test device base is provided with a connection channel for an electromagnetic detection head, and the test device base is provided with a plug-in groove that cooperates with an electromagnetic isolation device, so that various components can be used in an orderly manner on the test device base.

[0010] As a further solution of the present invention, the electromagnetic isolation device is a cover-type structure, the lower end of the electromagnetic isolation device is open, and the material of the electromagnetic isolation device is antimagnetic material, so that the device isolates electromagnetics.

[0011] As a further solution of the utility model, a rotating column is rotatably connected between the two sets of the fixed blocks on both sides, and a rotating column sleeve is sleeved on the outer side of the rotating column, so that the electromagnetic magnetizing device can be rotated and folded.

[0012] As a further solution of the utility model, a fixed tile is fixedly connected to the upper end of the rotating column sleeve, an electromagnetic device is arranged inside the fixed tile, and a channel cooperating with the control circuit is opened in the fixed tile, so that the electromagnetic magnetizing device can generate magnetism at multiple angles.

[0013] As a further solution of the present invention, a clamping and fixing truncated table is welded to the upper end of the bottom fixing cylinder to fix the sensor clamping structure.

[0014] As a further solution of the utility model, two groups of bottom sliders are slidably connected internally at both ends of the clamping structure base, and two groups of clamping plates are fixedly connected to the upper ends of the two groups of bottom sliders. The two groups of clamping plates are fixedly connected by clamping bolts, so that the device can clamp the magnetic sensor.

[0015] As a further solution of the present invention, the base of the clamping structure is provided with a slide groove that cooperates with the bottom slider, the bottom slider is in an inverted T-shape, and the upper corners of the clamping plate are provided with bolt grooves that cooperate with the clamping bolts to make the clamping more secure.

[0016] In summary, the utility model includes at least one of the following beneficial technical effects:

[0017] First, the utility model records a magnetic sensor testing device, which records that by providing a testing device base, various components can be used in an orderly manner on the testing device base to increase the efficiency of the device. By providing an electromagnetic isolation device, the device can be isolated from other magnetic field influences and select test results. By providing a central disk and a sensor clamping structure, the magnetic sensor can be firmly fixed to prevent loose clamping from affecting the test results.

[0018] Second, the utility model records a magnetic sensor testing device, which records that, by providing an electromagnetic magnetizing device, the device can be tested at multiple angles to increase the testing effect, and can be rotated and folded to prevent the impact on clamping. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0020] Figure 1 This is a schematic diagram of the overall structure of a magnetic sensor testing device of the utility model from a top view;

[0021] Figure 2 This is a schematic diagram of the overall structure of a magnetic sensor testing device of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of a test device base of a magnetic sensor test device of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of an electromagnetic magnetizing device of a magnetic sensor testing device of the utility model;

[0024] Figure 5 This is a schematic diagram of the central disk structure of a magnetic sensor testing device of the utility model;

[0025] Figure 6 This is a schematic diagram of a sensor clamping structure of a magnetic sensor testing device of the utility model;

[0026] Figure numerals: 1. test device base; 2. electromagnetic display screen; 3. electromagnetic control knob; 4. sensor display screen; 5. electromagnetic isolation device; 6. electromagnetic magnetization device; 61. two side fixed blocks; 62. rotating column; 63. rotating column sleeve; 64. fixed tile; 65. electromagnetic device; 66. control circuit; 7. central disk; 71. bottom fixed cylinder; 72. clamping fixed table; 8. sensor clamping structure; 81. clamping structure base; 82. bottom slider; 83. clamping plate; 84. clamping bolt. DETAILED DESCRIPTION

[0027] Please refer to Figure 1-6A magnetic sensor testing device, comprising: a testing device base 1 for supporting testing and a sensor clamping structure 8 for clamping the sensor, wherein the sensor clamping structure 8 is arranged at the center of the upper surface of the testing device base 1, the left front end circuit of the testing device base 1 is connected with an electromagnetic display screen 2, the front end of the testing device base 1 is provided with an electromagnetic control knob 3, the right front end circuit of the testing device base 1 is connected with a sensor display screen 4, an electromagnetic isolation device 5 is plugged into the upper end of the testing device base 1, four sets of electromagnetic magnetizing devices 6 are rotatably connected to the upper surface of the testing device base 1, and the center of the upper surface of the testing device base 1 is fixedly connected with the sensor clamping structure 8 through a central disk 7;

[0028] The electromagnetic magnetizing device 6 includes two fixing blocks 61 on both sides, and the two fixing blocks 61 on both sides are welded to the upper surface of the testing device base 1;

[0029] The central disk 7 includes a bottom fixed cylinder 71, and the bottom fixed cylinder 71 is welded to the upper surface of the test device base 1;

[0030] The sensor clamping structure 8 includes a fixing block 81 , and the fixing block 81 is welded on the central disk 7 .

[0031] Please refer to Figures 1 to 3 as well as Figure 5 It can be seen that in order to allow the device to be reasonably operated, the test device base 1 is provided with a connection circuit that matches the electromagnetic display screen 2, the sensor display screen 4, and the electromagnetic magnetizing device 6. The test device base 1 is provided with a cavity for the electromagnetic device and the electromagnetic detection device. The test device base 1 is provided with a connection channel for the electromagnetic detection head. The test device base 1 is provided with a plug-in groove that matches the electromagnetic isolation device 5. The electromagnetic isolation device 5 is a cover-type structure, and the lower end of the electromagnetic isolation device 5 is open. The material of the electromagnetic isolation device 5 is an anti-magnetic material. A further solution of the utility model is that a clamping and fixing truncated table 72 is welded on the upper end of the bottom fixed cylinder 71;

[0032] Please refer to Figure 2 and Figure 4 It can be seen that in order to allow the device to be tested at multiple angles, a rotating column 62 is rotatably connected between the two sets of fixed blocks 61 on both sides, a rotating column sleeve 63 is sleeved on the outer side of the rotating column 62, and a fixed tile 64 is fixedly connected to the upper end of the rotating column sleeve 63. An electromagnetic device 65 is arranged inside the fixed tile 64, and a hole matching the control circuit 66 is opened in the fixed tile 64;

[0033] Please refer to Figure 2 and Figure 6It can be seen that in order to firmly clamp the sensor, two sets of bottom sliders 82 are slidably connected inside the two ends of the clamping structure base 81, and two sets of clamping plates 83 are fixedly connected to the upper ends of the two sets of bottom sliders 82. The two sets of clamping plates 83 are fixedly connected by clamping bolts 84, so that the device can clamp the magnetic sensor. The clamping structure base 81 is provided with a slide groove matched with the bottom slider 82. The bottom slider 82 is in an inverted T shape. Bolt grooves matched with the clamping bolts 84 are provided at the two corners of the upper end of the clamping plate 83 to make the clamping more secure.

[0034] The working principle of a magnetic sensor testing device provided by the utility model is as follows:

[0035] The first step: rotate and lower the electromagnetic magnetizing device 6, then firmly clamp the sensor with the sensor clamping structure 8, restore the electromagnetic magnetizing device 6, and then cover it with the electromagnetic isolation device 5, start the test, observe the results through the electromagnetic display screen 2 and the sensor display screen 4, and use the electromagnetic control knob 3 to adjust the electromagnetic intensity.

[0036] Although the embodiments of the present invention have been shown and described, it is understood by those skilled in the art that various changes, modifications, substitutions and variations or direct or indirect applications may be made to these embodiments without departing from the principles and spirit of the present invention. In other related technical fields, the scope of the present invention is defined by the attached claims and their equivalents, which are equally included in the scope of patent protection of the present invention.

Claims

1. A magnetic sensor testing device, characterized in that: include: A test device base (1) for supporting the test and a sensor clamping structure (8) for clamping the sensor, wherein the sensor clamping structure (8) is arranged at the center of the upper surface of the test device base (1), characterized in that: the left front end circuit of the test device base (1) is connected to an electromagnetic display screen (2), the front end of the test device base (1) is provided with an electromagnetic control knob (3), the right front end circuit of the test device base (1) is connected to a sensor display screen (4), the upper end of the test device base (1) is plugged with an electromagnetic isolation device (5), the upper surface of the test device base (1) is rotatably connected with four groups of electromagnetic magnetizing devices (6), and the center of the upper surface of the test device base (1) is fixedly connected with the sensor clamping structure (8) through a central disk (7); The electromagnetic magnetizing device (6) comprises two fixing blocks (61) on both sides, and the two fixing blocks (61) on both sides are welded to the upper surface of the testing device base (1); The central disk (7) comprises a bottom fixed cylinder (71), and the bottom fixed cylinder (71) is welded to the upper surface of the test device base (1); The sensor clamping structure (8) comprises a clamping structure base (81), and the clamping structure base (81) is fixedly connected to the central disc (7).

2. A magnetic sensor testing device according to claim 1, characterized in that: The test device base (1) is provided with an electromagnetic display screen (2), a sensor display screen (4), and a connection circuit that cooperates with an electromagnetic magnetizing device (6); the test device base (1) is provided with a cavity for an electromagnetic device and an electromagnetic detection device; the test device base (1) is provided with a connection channel for an electromagnetic detection head; and the test device base (1) is provided with a plug-in groove that cooperates with an electromagnetic isolation device (5).

3. A magnetic sensor testing device according to claim 1, characterized in that: The electromagnetic isolation device (5) is a cover-shaped structure, the lower end of the electromagnetic isolation device (5) is open, and the material of the electromagnetic isolation device (5) is an antimagnetic material.

4. A magnetic sensor testing device according to claim 1, characterized in that: A rotating column (62) is rotatably connected between the two sets of the fixed blocks (61) on both sides, and a rotating column sleeve (63) is sleeved on the outer side of the rotating column (62).

5. A magnetic sensor testing device according to claim 4, characterized in that: The upper end of the rotating column sleeve (63) is fixedly connected with a fixed tile (64), an electromagnetic device (65) is arranged inside the fixed tile (64), and a hole matched with a control circuit (66) is opened in the fixed tile (64).

6. A magnetic sensor testing device according to claim 1, characterized in that: A clamping and fixing truncated table (72) is welded to the upper end of the bottom fixing cylinder (71).

7. A magnetic sensor testing device according to claim 1, characterized in that: Two groups of bottom sliders (82) are slidably connected inside the two ends of the clamping structure base (81), and two groups of clamping plates (83) are fixedly connected to the upper ends of the two groups of bottom sliders (82). The two groups of clamping plates (83) are fixedly connected by clamping bolts (84).

8. A magnetic sensor testing device according to claim 7, characterized in that: The clamping structure base (81) is provided with a slide groove matched with a bottom slider (82), the bottom slider (82) is in an inverted T-shape, and bolt grooves matched with clamping bolts (84) are provided at two corners of the upper end of the clamping plate (83).

Citation Information

Patent Citations

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