An electric detection structure of a magnetic ring inductor

Abstract

The utility model discloses a kind of electric detection structures of magnetic ring inductance, including the insulating seat on machine table, the insulating seat is equipped with the correction member that axial with inductance pin axial intersection, the correction member has the smooth metal camber surface that axially extends circumferentially bends, the smooth metal camber surface of the correction member keeps and opposite pin contact conduction when detecting. The smooth metal camber surface is at least two axially symmetric arranged camber surfaces. The smooth metal camber surface of the correction member axially extends and abuts inductance pin, can carry out electrical performance test while straightening pin, and the correction member of the utility model increases the metal area that pin can contact, avoid the situation of contact failure occurs, improve test stability, prolong the service life of detection structure.

Description

Technical Field

[0001] This utility model relates to an electrical detection structure for a magnetic ring inductor, belonging to the field of inductor winding production technology. Background Technology

[0002] In the production of inductors using winding machines, after each inductor is produced, the leads of each inductor must be tested to ensure their electrical performance is normal. Currently, inductor testing often uses probes to test the leads after the enamel has been stripped. However, probes are prone to poor contact and need to be replaced after a period of testing, resulting in a short service life. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide an electrical detection structure for a magnetic ring inductor that maintains good contact during detection and has a long service life.

[0004] This utility model is achieved through the following technical solution:

[0005] An electrical detection structure for a magnetic ring inductor is characterized by comprising an insulating base mounted on a machine base, wherein the insulating base is provided with a correction element whose axial direction intersects with the axial direction of the inductor pin, the correction element having a smooth metal arc surface that extends axially and bends circumferentially, and the smooth metal arc surface of the correction element remains in contact with the opposite pin and conducts electricity during detection.

[0006] The electrical detection structure of the magnetic ring inductor described above is characterized in that: the smooth metal arc surface consists of at least two axially symmetrically arranged arc surfaces.

[0007] The electrical detection structure of the magnetic ring inductor described above is characterized in that: the calibration element is a metal rod.

[0008] The electrical detection structure of a magnetic ring inductor as described above is characterized in that: when the calibration component performs outward calibration and detection between the inductor's relative pins, the outer diameter of the calibration component is matched with the inner spacing of the outer diameter of the starting end of the inductor's relative pin.

[0009] The electrical detection structure of a magnetic ring inductor as described above is characterized in that: when an inductor is expanded for correction, two correction elements are detected, and each correction element corresponds to two opposite pins.

[0010] The electrical detection structure of a magnetic ring inductor as described above is characterized in that: the calibration element during the inductor's internal calibration detection is at least one set of parallel calibration elements, and the gap between two parallel calibration elements matches the outer distance of the outer diameter of the inductor's relative pin start end.

[0011] The electrical detection structure of the magnetic ring inductor described above is characterized in that: the insulating base is provided with a support member to support the inductor.

[0012] The electrical detection structure of the magnetic ring inductor as described in any one of the above is characterized in that: the calibration element is embedded in the insulating base, and the insulating base is provided with a pin cavity communicating with the embedded cavity of the calibration element.

[0013] The electrical detection structure of the magnetic ring inductor described above is characterized in that: the insulating base is provided with multiple detection stations, each detection station corresponds to the detection of one inductor, and the multiple stations on the same insulating base are electrically connected to the detection system through a trip switch.

[0014] Compared with the prior art, the present invention has the following advantages:

[0015] The smooth, axially extended metal arc surface of this calibration component abuts against the inductor pin, straightening the pin while simultaneously performing electrical performance testing. Furthermore, this calibration component increases the metal area that the pin can contact, preventing poor contact, improving test stability, and extending the service life of the testing structure. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of one embodiment of the present utility model;

[0017] Figure 2 This is a schematic diagram of one embodiment of the calibration component of this utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the calibration component in contact with the magnetic ring inductor according to one embodiment of the present invention;

[0019] Figure 4 This is a schematic diagram of an insulating base structure according to an embodiment of the present invention;

[0020] Figure 5 This is a schematic diagram of the structure of the calibration component in contact with the magnetic ring inductor in another embodiment of the present invention;

[0021] Figure 6 This is a partial structural schematic diagram of another embodiment of the present invention. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to specific embodiments.

[0023] like Figure 1-6As shown, an electrical detection structure for a magnetic ring inductor includes an insulating base 1 mounted on a machine base. The insulating base 1 has a correction element 2 whose axial direction intersects with the axial direction of the inductor pin 31. The correction element 2 has a smooth metal arc surface 21 that extends axially and bends circumferentially. During detection, the smooth metal arc surface 21 of the correction element 2 maintains contact and conduction with the corresponding pin. The correction element 2 is provided with a wire electrically connected to the electrical detection system. The starting point of the metal arc surface 21 of the correction element 2 guides and corrects the inductor pin, and at the most protruding point of the arc surface, it maintains contact and conduction with the pin 31. The arc surface has sufficient strength to correct the pin outward and inward, making the pin 31 vertical and stably maintaining contact and conduction. Furthermore, the axial smooth metal arc surface 21 increases the contact area with the pin 31, increases the strength of the correction element 2, and improves the stability and service life of the electrical detection structure.

[0024] Preferably, the smooth metal arc surface 21 consists of at least two axially symmetrically arranged arc surfaces, such as... Figure 2 As shown, the calibrator 2 can be a flat surface between the two smooth metal arc surfaces 21, which facilitates placement.

[0025] Preferably, the calibrator 2 is a metal rod, which is easy to process and can maintain conductivity for a long time. More preferably, the calibrator 2 is a cylindrical metal rod, which can make contact with the pin 31 at any point on its circumference to conduct electricity.

[0026] A specific embodiment of this utility model is as follows: Figure 5-6 As shown, when the calibration component 2 performs outward calibration and testing between the inductor 3 and the corresponding pins 31, the outer diameter of the calibration component 2 matches the inner spacing of the outer diameter of the starting end of the inductor 3 and the corresponding pins 31. This avoids excessive outward calibration when the calibration component 2 is inserted between the two pins 31 to outwardly calibrate the recessed pins 31. Preferably, two calibration components 2 are used for testing when one inductor 3 is outwardly calibrated, with each calibration component 2 corresponding to two corresponding pins 31. This allows for separate calibration testing of the two corresponding pins 31, making it easier to identify which pin is faulty when a problem occurs. Of course, a single long calibration component 2 can also outwardly calibrate two sets of pins 31 simultaneously.

[0027] In a preferred embodiment of this utility model, the calibration component 2 is embedded in the insulating base 1. The insulating base 1 has a pin cavity 12 that communicates with the embedding cavity of the calibration component 2, and the pins 31 of the inductor 3 are inserted and contact the calibration component 2. The embedded calibration component 2 does not require additional support structures, and can prevent the shaking of the calibration component 2 from affecting the positioning, while also helping to maintain the neatness of the entire detection unit.

[0028] Furthermore, the insulating base 1 has a through hole 13 inside its cavity, which facilitates the wires to pass through the through hole 13 to electrically connect the calibration component 2 to the electrical detection system.

[0029] Another specific embodiment of this utility model is as follows: Figure 1As shown in Figures 3 and 4, the calibration element 2 used in the inductor inward calibration test consists of at least one set of parallel calibration elements 2. The gap between two parallel calibration elements 2 matches the outer distance of the outer diameter of the inductor 3 relative to the starting end of the pin 31. By inserting the two relatively outwardly expanding pins 31 between the two calibration elements 2, the pins 31 can be straightened while maintaining electrical contact.

[0030] In the inward-clipping correction embodiment, a support member 11 for supporting the inductor 3 is preferably provided on the insulating base 1. When the base of the inductor 3 is placed on the support member 11, the pin is prevented from extending too far and damaging the pin during correction.

[0031] Furthermore, the cavity between the two parallel straightening components 2 in the inward straightening station is connected and extends to the outside of the two straightening components 2 to form a recess 14, which facilitates the placement and removal of the straightening components 2. For the outward straightening station, the lead cavity 12 is located outside the straightening component 2, and there is no need to set up a separate recess for placing and removing the straightening component 2.

[0032] Preferably, the insulating base 1 can be equipped with multiple testing stations, each corresponding to the testing of one inductor 3. Multiple inductors 3 can be tested. More preferably, multiple stations on the same insulating base 1 are electrically connected to the testing system via a trip switch. This allows for continuous testing of multiple inductors 3, including withstand voltage testing and electrical performance testing, eliminating the need for handling and transporting the inductors 3, thus improving the testing efficiency of the production line.

[0033] In this invention, the electrical testing system for inductors is a conventional testing system, electrically connected to the calibration component 2 via wires and controlled by the control system. During outward expansion calibration and withstand voltage testing, the inductor 3's inwardly bent pins 31 are expanded and straightened by the metal arc surface of the calibration component 2. After placement, all pins 31 are in contact with the metal surface of the calibration component 2, allowing for withstand voltage testing of each inductor 3. During inward bending calibration and electrical testing, inductors 3 are placed one by one between parallel calibration components 2 at each station. During placement, the inductor 3's pins 31 are straightened inwards. After placement, each pin 31 is in contact with the corresponding calibration component 2, allowing for conduction and testing of the electrical performance of multiple inductors 3.

Claims

1. An electrical detection structure for a magnetic ring inductor, characterized in that: The device includes an insulating base (1) mounted on the machine base. The insulating base (1) is provided with a correction element (2) whose axial direction intersects with the axial direction of the inductor pin. The correction element (2) has a smooth metal arc surface (21) that extends axially and bends circumferentially. The smooth metal arc surface (21) of the correction element (2) remains in contact with the opposite pin and conducts electricity during testing.

2. The electrical detection structure of a magnetic ring inductor according to claim 1, characterized in that: The smooth metal arc surface (21) is at least two arc surfaces arranged symmetrically along an axis.

3. The electrical detection structure of a magnetic ring inductor according to claim 1, characterized in that: The calibration component (2) is a metal rod.

4. The electrical detection structure of a magnetic ring inductor according to claim 1, characterized in that: When the calibration component (2) performs outward calibration and detection between the inductor pins, the outer diameter of the calibration component (2) is matched with the inner spacing of the outer diameter of the starting end of the inductor pin.

5. The electrical detection structure of a magnetic ring inductor according to claim 4, characterized in that: Two calibration components (2) are detected during inductor expansion calibration, and each calibration component (2) corresponds to two opposite pins.

6. The electrical detection structure of a magnetic ring inductor according to claim 1, characterized in that: The calibration element (2) used in an inductor internal buckling calibration test is at least one set of parallel calibration elements (2), and the gap between two parallel calibration elements (2) matches the outer distance of the outer diameter of the inductor relative to the starting end of the pin.

7. The electrical detection structure of a magnetic ring inductor according to claim 6, characterized in that: The insulating base (1) is provided with a support member (11) for supporting the inductor.

8. The electrical detection structure of a magnetic ring inductor according to any one of claims 1-7, characterized in that: The calibration component (2) is embedded in the insulating base (1), and the insulating base (1) is provided with a pin cavity (12) that communicates with the embedding cavity of the calibration component (2).

9. The electrical detection structure of a magnetic ring inductor according to any one of claims 1-7, characterized in that: The insulating base (1) is provided with multiple testing stations, each testing station corresponding to the testing of an inductor.

10. The electrical detection structure of a magnetic ring inductor according to claim 9, characterized in that: Multiple workstations on the same insulating base (1) are electrically connected to the detection system via a trip switch.

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