A magnetic ring coil detection device

Abstract

This utility model discloses a magnetic ring coil testing device, including an LCR meter. A placement bracket is attached to the bottom of the LCR meter, and a mounting base is fixedly connected to the top of the placement bracket. A spacing adjustment component is mounted on the top of the mounting base, and ceramic seats are fixedly mounted on the tops of the two movable ends of the spacing adjustment component. In this utility model, the spacing adjustment component can quickly adjust the spacing of the ceramic seats to adapt to magnetic ring coils of different sizes. Combined with the flared end to guide pin insertion, it simplifies the operation process and significantly improves testing efficiency compared to manually inserting pins one by one, meeting the needs of mass production. The metal pressure plate and the elastic component work together; when the tension spring returns to its original position, it ensures tight and stable contact between the metal pressure plate and the pin, avoiding problems such as uneven clamping force or misalignment during manual handling. This effectively eliminates contact resistance fluctuations, resulting in stable and accurate test data, ensuring reliable test results, and improving product testing quality.

Description

Technical Field

[0001] This utility model relates to the field of magnetic ring coil detection technology, and in particular to a magnetic ring coil detection device. Background Technology

[0002] In the field of electronic component manufacturing and testing, magnetic ring coils are a key component, widely used in inductors, transformers, filters, and other equipment. Accurate measurement of parameters such as inductance (L), resistance (R), and quality factor (Q) is crucial for ensuring circuit performance. Currently, the industry commonly uses LCR meters (inductance-capacitance-resistance meters) to test magnetic ring coils.

[0003] However, existing testing methods are still mainly manual, which has the following problems:

[0004] Manual operation is inefficient: Traditional testing methods require manual insertion of the magnetic ring coil pins into the test terminals one by one or the use of clamping tools to fix it. The operation steps are cumbersome and the testing speed is slow, making it difficult to meet the efficiency requirements of mass production.

[0005] Poor contact stability: Due to uneven force or misalignment during manual operation, poor contact between the pin and the test terminal may occur, affecting measurement accuracy and even causing data errors due to fluctuations in contact resistance.

[0006] Therefore, a magnetic ring coil detection device is proposed. Utility Model Content

[0007] This invention is a magnetic ring coil detection device proposed to overcome the shortcomings of existing technologies.

[0008] To achieve the above objectives, the present invention adopts the following technical solution: a magnetic ring coil detection device, including an LCR meter, a placement bracket attached to the bottom of the LCR meter, a mounting base fixedly connected to the top of the placement bracket, a spacing adjustment component installed at the top of the mounting base, and ceramic seats fixedly installed at the top of both movable ends of the spacing adjustment component.

[0009] Both ceramic seats have flared openings at the top, pin holes at the bottom, mounting holes on one side of the inner wall of each pin hole, metal pressure plates inside each mounting hole, and ceramic blocks fixedly connected to one side of the outer surface of each metal pressure plate.

[0010] Both ceramic blocks are connected to an adjacent ceramic base by an elastic component, and a pulling component is connected between the two elastic components.

[0011] Furthermore, the spacing adjustment component includes a handwheel, which is located on one side of the mounting base. One end of the handwheel is fixedly connected to a bidirectional screw, which passes through the mounting base and is rotatably connected to it. Two sliders are symmetrically threaded onto the outer surface of the bidirectional screw, and the sliders are fixedly connected to the ceramic base. The handwheel facilitates manual driving of the bidirectional screw.

[0012] Furthermore, both sliders are slidably connected to the mounting base, which limits the movement of the sliders and ensures their stability.

[0013] Furthermore, both of the elastic components include a movable rod, which is fixedly connected to the ceramic block. The movable rod extends through the inner wall of the mounting hole to the outer side of the ceramic seat and is slidably connected to the ceramic seat. A mounting plate is fixedly connected to one end of the movable rod outside the ceramic seat. Two tension springs are fixedly connected between the mounting plate and the ceramic seat. The tension springs facilitate the reset of the mounting plate after the tension is released.

[0014] Furthermore, the pulling assembly includes two guide rods, and the movable rod is slidably sleeved on the outer surface of the guide rods. The two guide rods are fixedly connected to a pull rod at their adjacent ends, and the pull rod can pull the two movable rods to move synchronously through the two guide rods.

[0015] Furthermore, a support plate is slidably sleeved on the outer surface of the pull rod, and the support plate is fixedly connected to the mounting base. The support plate has a limiting effect on the pull rod, which can ensure the stability of the pull rod's movement.

[0016] Furthermore, the LCR meter is electrically connected to the two metal pressure plates. The LCR meter establishes an electrical connection with the magnetic ring coil pins through the metal pressure plates, enabling it to quickly and accurately obtain parameters such as inductance, capacitance, and resistance of the magnetic ring coil.

[0017] The beneficial effects of this utility model are:

[0018] In use, this utility model provides a magnetic ring coil testing device. The spacing adjustment component allows for quick adjustment of the ceramic seat spacing, adapting to magnetic ring coils of different sizes. Combined with a flared guide for pin insertion, it simplifies the operation process and significantly improves testing efficiency compared to manually inserting pins one by one, meeting the needs of mass production. The metal pressure plate and elastic component work together; when the tension spring returns to its original position, it ensures tight and stable contact between the metal pressure plate and the pin, avoiding problems such as uneven clamping force or misalignment during manual operation. This effectively eliminates contact resistance fluctuations, resulting in stable and accurate test data, ensuring reliable test results and improving product testing quality. Attached Figure Description

[0019] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 : A perspective view of this utility model;

[0021] Figure 2 : A perspective view of the mounting base of this utility model;

[0022] Figure 3 : Cross-sectional view of the ceramic base of this utility model.

[0023] The attached figures are labeled as follows:

[0024] 1. LCR meter; 2. Placement bracket; 3. Mounting base; 4. Two-way screw; 5. Ceramic base; 6. Flared mouth; 7. Handwheel; 8. Guide rod; 9. Pull rod; 10. Support plate; 11. Slider; 12. Pin hole; 13. Ceramic block; 14. Metal pressure plate; 15. Assembly hole; 16. Movable rod; 17. Mounting plate; 18. Tension spring. Detailed Implementation

[0025] 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 skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] like Figures 1 to 3 As shown, a magnetic ring coil testing device is disclosed, including an LCR meter 1. A mounting bracket 2 is attached to the bottom of the LCR meter 1, and a mounting base 3 is fixedly connected to the top of the mounting bracket 2. A spacing adjustment component is installed on the top of the mounting base 3. Ceramic seats 5 are fixedly installed on the top of the two movable ends of the spacing adjustment component. The spacing adjustment component includes a handwheel 7, which is located on one side of the mounting base 3. A bidirectional screw 4 is fixedly connected to one end of the handwheel 7, and the bidirectional screw 4 passes through the mounting base 3 and is rotatably connected to the mounting base 3. Two sliders 11 are symmetrically threaded on the outer surface of the bidirectional screw 4, and the sliders 11 are fixedly connected to the ceramic seats 5. Both sliders 11 are slidably connected to the mounting base 3. The thread helix angle of the bidirectional screw 4 is smaller than the friction angle, which gives the bidirectional screw 4 a self-locking capability, preventing it from shifting due to vibration or load.

[0027] Both ceramic bases 5 have flared openings 6 at their tops and pin holes 12 at their bottoms. Each pin hole 12 has an assembly hole 15 on one side of its inner wall. Each assembly hole 15 contains a metal pressure plate 14. A ceramic block 13 is fixedly connected to one side of the outer surface of each metal pressure plate 14. The LCR meter 1 is electrically connected to the two metal pressure plates 14 via a high-temperature resistant, interference-resistant shielded cable. Both ends of the cable are reliably connected to the detection interface of the LCR meter 1 and the pre-reserved terminals on the metal pressure plates 14 using crimp terminals, ensuring the stability and accuracy of the detection signal transmission. The cable passes through a movable rod 16, which has a pre-reserved hole (not shown in the figure).

[0028] Both ceramic blocks 13 are connected to adjacent ceramic seats 5 with elastic components, and a pulling component is connected between the two elastic components. Both elastic components include a movable rod 16, which is fixedly connected to the ceramic block 13. The movable rod 16 extends through the inner wall of the mounting hole 15 to the outer side of the ceramic seat 5 and is slidably connected to the ceramic seat 5. A mounting plate 17 is fixedly connected to one end of the movable rod 16 outside the ceramic seat 5. Two tension springs 18 are fixedly connected between the mounting plate 17 and the ceramic seat 5. The pulling component includes two guide rods 8, and the movable rod 16 is slidably sleeved on the outer surface of the guide rods 8. A pull rod 9 is fixedly connected to one adjacent end of the two guide rods 8. A support plate 10 is slidably sleeved on the outer surface of the pull rod 9, and the support plate 10 is fixedly connected to the mounting seat 3. The tension spring 18 is made of high-strength spring steel wire, and its elastic coefficient is precisely selected according to the required contact pressure between the metal pressure plate 14 and the pin.

[0029] Working principle: First, based on the size of the magnetic ring coil to be tested, the spacing between the two ceramic seats 5 is adjusted using the spacing adjustment component. Turning the handwheel 7 causes the bidirectional screw 4 to rotate. Since two sliders 11 are symmetrically threaded onto the outer surface of the bidirectional screw 4, and these sliders 11 are fixedly connected to the ceramic seats 5, the two sliders 11 will move towards or away from each other along the mounting base 3 under the rotation of the bidirectional screw 4, thereby adjusting the spacing between the two ceramic seats 5 to accommodate magnetic ring coils of different sizes.

[0030] After the spacing is adjusted, pull the lever 9 with one hand. The lever 9 moves the guide rod 8, which in turn moves the movable rod 16. The movable rod 16 moves the ceramic block 13 and the metal pressure plate 14. At this time, the tension spring 18 is stretched, causing the metal pressure plate 14 to disengage from the pin hole 12.

[0031] Next, insert the two leads of the magnetic ring coil into the lead holes 12 below the flared openings 6 on the top of the two ceramic bases 5. The flared openings 6 are designed to facilitate the smooth insertion of the leads into the lead holes 12, serving as a guide.

[0032] After the pin is inserted into place, release the pull rod 9. Under the action of its own elastic restoring force, the tension spring 18 drives the movable rod 16, ceramic block 13 and metal pressure plate 14 to reset, so that the metal pressure plate 14 is in close contact with the pin, ensuring that a good electrical connection is formed between the two.

[0033] Since the LCR meter 1 is electrically connected to the two metal pressure plates 14, when the metal pressure plates 14 are in close contact with the pins, the LCR meter 1 can detect parameters such as inductance (L), capacitance (C), and resistance (R) of the magnetic ring coil through the metal pressure plates 14 and the pins, and display the detection data to complete the detection work of the magnetic ring coil.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A magnetic ring coil detection device, comprising an LCR meter (1), characterized in that: The bottom of the LCR meter (1) is attached to a placement bracket (2), the top of the placement bracket (2) is fixedly connected to a mounting base (3), the top of the mounting base (3) is equipped with a spacing adjustment component, and the tops of the two movable ends of the spacing adjustment component are fixedly equipped with ceramic seats (5). The top of each of the two ceramic bases (5) is provided with a flared mouth (6), the bottom of each of the two flared mouths (6) is provided with a pin hole (12), the inner wall of each of the two pin holes (12) is provided with an assembly hole (15), the interior of each of the two assembly holes (15) is provided with a metal pressure plate (14), and a ceramic block (13) is fixedly connected to one side of the outer surface of each of the two metal pressure plates (14). Both of the ceramic blocks (13) are connected to an adjacent ceramic base (5) by an elastic component, and a pulling component is connected between the two elastic components.

2. The magnetic ring coil detection device according to claim 1, characterized in that: The spacing adjustment assembly includes a handwheel (7), which is located on one side of the mounting base (3). One end of the handwheel (7) is fixedly connected to a bidirectional screw (4), which passes through the mounting base (3) and is rotatably connected to the mounting base (3). The outer surface of the bidirectional screw (4) is symmetrically threaded with two sliders (11), and the sliders (11) are fixedly connected to the ceramic seat (5).

3. The magnetic ring coil detection device according to claim 2, characterized in that: Both sliders (11) are slidably connected to the mounting base (3).

4. The magnetic ring coil detection device according to claim 1, characterized in that: Both of the elastic components include a movable rod (16), which is fixedly connected to the ceramic block (13). The movable rod (16) extends through the inner wall of the mounting hole (15) to the outside of the ceramic seat (5) and is slidably connected to the ceramic seat (5). One end of the movable rod (16) located outside the ceramic seat (5) is fixedly connected to a mounting plate (17). Two tension springs (18) are fixedly connected between the mounting plate (17) and the ceramic seat (5).

5. The magnetic ring coil detection device according to claim 4, characterized in that: The pulling assembly includes two guide rods (8), and the movable rod (16) is slidably sleeved on the outer surface of the guide rods (8). The two guide rods (8) are fixedly connected to a pull rod (9) at their adjacent ends.

6. The magnetic ring coil detection device according to claim 5, characterized in that: The outer surface of the pull rod (9) is slidably sleeved with a support plate (10), and the support plate (10) is fixedly connected to the mounting base (3).

7. The magnetic ring coil detection device according to claim 1, characterized in that: The LCR meter (1) is electrically connected to the two metal plates (14).

Images