Mutual inductor convenient to position and assemble based on circuit board

By introducing a sliding connection structure of mounting base and adjustment block into the current transformer, the problem of mismatch between the current transformer and the circuit board is solved, achieving stable electrical connection and energy transfer, and enhancing practicality and space utilization efficiency.

CN224096533UActive Publication Date: 2026-04-07TIANJIN WUXIANG TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-17
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

The existing current transformers and circuit boards have mismatched connection positions, resulting in unstable electrical connections, poor adaptability, and poor practicality.

Method used

The mounting base is detachably connected to the circuit board. The sliding block in the sliding cavity has a plug-in end that can slide and move in all directions to adapt to the circuit board socket. Electrical connection is achieved through conductive posts. The current transformer body is electrically connected to the conductive posts to ensure energy transfer.

Benefits of technology

This achieves a stable electrical connection between the current transformer and the circuit board, enhances adaptability, reduces space occupation, and facilitates the installation of other electronic components.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a mutual inductor convenient to position and assemble based on a circuit board. The mutual inductor comprises a mounting base, an adjusting block and a mutual inductor body. And the mounting base is detachably connected with the circuit board. The mounting base is provided with a sliding cavity with a long-strip-shaped opening. And two conductive columns are arranged in the mounting base. The adjusting block is arranged in the sliding cavity in a sliding mode and electrically connected with the two conductive columns. The adjusting block is provided with a plug-in end which is located outside the sliding cavity and can move universally, and the plug-in end can correspond to a jack in the circuit board. The mutual inductor body is fixedly arranged on the mounting base and electrically connected with the two conductive columns. According to the mutual inductor convenient and fast to position and assemble based on the circuit board, the adjusting block can move relative to the mounting base, and the plugging end extending out of the sliding cavity can move universally, so that the position of an adaptive jack can be ensured, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of mutual inductor, specifically relates to a mutual inductor based on the convenient positioning assembly of circuit board. BACKGROUND

[0002] The mutual inductor is a kind of equipment for transmitting electric energy or signal, and realizes the energy transmission between two circuits by electromagnetic induction principle.

[0003] In prior art, the mutual inductor is applied in electronic equipment and needs to be installed on circuit board, and the electrical connection of mutual inductor and circuit board is usually plug-in type, that is, the plug pin arranged on mutual inductor is directly plugged into the jack on circuit board.But, the actual position of jack on circuit board and the installation position of mutual inductor do not completely match (there is error), thus leading to that the plug pin cannot be electrically connected with the jack after the installation of mutual inductor, poor adaptability and poor practicability. UTILITY MODEL CONTENT

[0004] The utility model embodiment provides a kind of mutual inductor based on the convenient positioning assembly of circuit board, to solve the problem of poor practicability caused by the plug-in of the existing mutual inductor to circuit board.

[0005] To achieve the above object, the technical scheme adopted by the utility model is as follows: provide a kind of mutual inductor based on the convenient positioning assembly of circuit board, comprising:

[0006] Mounting base, with detachable connection with circuit board;The mounting base has the sliding cavity of long strip shape open;Two conductive columns are arranged in the mounting base;

[0007] Adjusting block, slidingly arranged in the sliding cavity, and electrically connected with two conductive columns;The adjusting block has the plug-in end that can be universally moved and is located outside the sliding cavity, and the plug-in end is used to correspond the jack on circuit board;

[0008] Mutual inductor body, fixedly arranged on the mounting base, and electrically connected with two conductive columns.

[0009] In a possible implementation manner, the opening of the sliding cavity is arranged in parallel with the circuit board.

[0010] In a possible implementation manner, the sliding cavity is cuboid cavity, and the opening of the sliding cavity is rectangular port.

[0011] In a possible implementation manner, each conductive column is arranged along the length direction of the opening of the sliding cavity.

[0012] In a possible implementation manner, each conductive column is arranged along the vertical direction.

[0013] In a possible implementation, the adjusting block comprises:

[0014] a slider, slidingly arranged in the sliding cavity, the slider having two long strip through holes for the two conductive columns to pass through respectively; each of the long strip through holes is provided with an elastic sheet capable of being in contact with the corresponding conductive column;

[0015] a plug, fixedly arranged at the other end of the slider, having two plug pins; the plug is the plug-in end; each of the plug pins is electrically connected with each elastic sheet through a wire.

[0016] In a possible implementation, the transformer body comprises:

[0017] a shell having a central hole;

[0018] an iron core arranged in the shell and coaxially arranged with the central hole;

[0019] a winding wound on the iron core and having two ends electrically connected with the two conductive columns respectively.

[0020] In the implementation, the mounting base can ensure the fixed connection with the circuit board, the sliding cavity provided by the mounting base can ensure the sliding connection of the adjusting block, the plug-in end of the adjusting block extending out of the sliding cavity can be moved in all directions, thereby the position of the jack can be adapted, and the practicability is high. Meanwhile, the adjusting block can also be electrically connected with the two conductive columns, thereby the secondary side current output can be realized. The transformer body can correspond to the primary side current, thereby the energy transmission can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 a structure schematic view of the transformer based on the circuit board convenient positioning and assembly provided by the embodiment of the utility model;

[0022] Figure 2 for Figure 1 the A-A cross-sectional structure schematic view of the transformer based on the circuit board convenient positioning and assembly provided by the embodiment;

[0023] Marked for the drawing:

[0024] 10, mounting base; 11, sliding cavity; 12, conductive column; 20, adjusting block; 21, slider; 22, plug; 23, elastic sheet; 24, long strip through hole; 25, plug pin; 30, transformer body; 40, circuit board. DETAILED DESCRIPTION

[0025] In order to make the technical problems, technical solutions and beneficial effects of the utility model clearer and more apparent, the utility model will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and not to limit the utility model.

[0026] Please refer to Figure 1 and Figure 2 , the transformer based on the convenient positioning and assembly of the circuit board provided by the utility model will be described. The transformer based on the convenient positioning and assembly of the circuit board comprises a mounting base, an adjusting block 20 and a transformer body 30. The mounting base is detachably connected with the circuit board 40. The mounting base has a slide cavity 11 in the shape of a long strip with an opening. Two conductive columns 12 are arranged in the mounting base. The adjusting block 20 is slidably arranged in the slide cavity 11 and electrically connected with the two conductive columns 12. The adjusting block 20 has a plug-in end which is located outside the slide cavity 11 and can move in all directions, and the plug-in end can correspond to the jack on the circuit board 40. The transformer body 30 is fixedly arranged on the mounting base and electrically connected with the two conductive columns 12.

[0027] Compared with the prior art, the mounting base of the transformer based on the convenient positioning and assembly of the circuit board provided by the embodiment can ensure the fixed connection with the circuit board 40, the slide cavity 11 provided by the mounting base can ensure the sliding connection of the adjusting block 20, the plug-in end of the adjusting block 20 extending out of the slide cavity 11 can move in all directions, thereby ensuring the adaptation to the position of the jack, and the utility model has strong practicability. At the same time, the adjusting block 20 can also be electrically connected with the two conductive columns 12, thereby realizing the output of the secondary side current. The transformer body 30 can ensure the correspondence with the primary side current, thereby realizing the energy transmission.

[0028] In the embodiment, the mounting base and the circuit board 40 can be connected by bolts or adhesion, and the technology is not described here again as it is the prior art.

[0029] In some embodiments, the slide cavity 11 can adopt the structure shown in Figure 1 and Figure 2 . Referring to Figure 1 and Figure 2 , the opening of the slide cavity 11 is arranged in parallel with the circuit board 40.

[0030] This structure can facilitate the adjusting block 20 to approach the circuit board 40, reduce the volume of the adjusting block 20, reduce the occupation of space, thereby facilitating the installation of other electronic elements and avoiding interference.

[0031] In some embodiments, the slide cavity 11 can adopt the structure shown in Figure 1 and Figure 2 . Referring to Figure 1 and Figure 2The sliding cavity 11 is a cuboid cavity, and the opening of the sliding cavity 11 is a rectangular opening.

[0032] The cuboid cavity can facilitate the opening and the sliding of the adjusting block 20 in the cuboid cavity, and has simple structure, easy manufacturing and strong practicability. In addition, the cuboid cavity can form a rectangular opening, the rectangular opening can provide a larger moving space for the adjusting block 20, thereby facilitating the movement of the adjusting block 20, and ensuring the universal movement of the plug-in end, thereby adapting to the position of the jack.

[0033] In some embodiments, the conductive column 12 can adopt the structure as shown in Figure 1 and Figure 2 . Referring to Figure 1 and Figure 2 , each conductive column 12 is arranged along the length direction of the opening of the sliding cavity 11.

[0034] The opening is a rectangular opening, which has a length direction and a width direction, and the width direction is in the vertical direction, and each conductive column 12 is arranged along the length direction of the opening, which can facilitate the manufacturing, and can also ensure to increase the contact range with the adjusting block 20, thereby ensuring to increase the adjusting amount of the adjusting block 20, and can further adapt to the position of the jack.

[0035] It should be noted that the mounting base can be injection molded. The conductive column 12 is integrally injection molded, or after the injection molding of the mounting base is completed, a mounting hole is formed to mount the conductive column 12.

[0036] The conductive column 12 can be a copper rod.

[0037] In some embodiments, the conductive column 12 can adopt the structure as shown in Figure 1 and Figure 2 . Referring to Figure 1 and Figure 2 , each conductive column 12 is arranged along the vertical direction, and this structure can adapt to the orientation of the opening, thereby facilitating the electrical connection with the adjusting block 20.

[0038] In some embodiments, the adjusting block 20 can adopt the structure as shown in Figure 2 . Referring to Figure 2 , the adjusting block 20 includes a sliding block 21 and a plug 22. The sliding block 21 is slidingly arranged in the sliding cavity 11, and the sliding block 21 has two long through holes 24 for the conductive columns 12 to pass through, respectively. Each long through hole 24 is provided with a spring 23 which can continuously contact the corresponding conductive column 12. The plug 22 is fixedly arranged at the other end of the sliding block 21 and has two plug pins 25. The plug 22 is a plug-in end. Each plug pin 25 is electrically connected to the spring 23 by a wire.

[0039] The slider 21 can be a cuboid structure, and the part of the slider 21 located in the sliding cavity 11 is provided with two long through holes 24, each of which has a certain length in the length direction of the slider 21, that is, the slider 21 can slide in the opening direction of the sliding cavity 11, and at this time, the conductive column 12 can continuously contact the elastic sheet 23 in the long through hole 24. In addition, the long through hole 24 also has a certain length, so the slider 21 can also rotate, which can further adapt to the jack.

[0040] The plug 22 is fixedly connected with the slider 21, and the plug 22 is provided with two pins 25 at the bottom end, and the two pins 25 are respectively electrically connected with the two elastic sheets 23 through wires to ensure the output of secondary current.

[0041] In the embodiment, the elastic sheet 23 is also a long strip and is made of metal, and the length of the elastic sheet 23 is consistent with that of the slider 21. One end of the elastic sheet 23 is fixedly connected with the long through hole 24, and the other end extends obliquely downward or upward, that is, when the cross section of the long through hole 24 is rectangular, the elastic sheet 23 extends along the diagonal direction of the long through hole 24.

[0042] In some embodiments, the mutual inductor body 30 can adopt the structure as shown in Figure 1 and Figure 2 . Referring to Figure 1 and Figure 2 , the mutual inductor body 30 includes a shell, a core and a winding. The shell has a central hole. The core is arranged in the shell and coaxially arranged with the central hole. The winding is wound on the core, and the two ends are respectively electrically connected with the two conductive columns 12.

[0043] The mutual inductor body 30 and the mounting base can be an integral structure, and specifically, the shell can be a split type, that is, the shell includes a shell body and a sealing cover, the shell body has an annular accommodating cavity and has a central hole coaxial with the annular accommodating cavity, and the sealing cover can seal the annular accommodating cavity.

[0044] The core is an annular structure arranged in the annular accommodating cavity, and the winding is wound on the core, and the two ends of the winding are respectively electrically connected with the two conductive columns 12.

[0045] The structure of the mutual inductor body 30 is a prior art, which will not be described here.

[0046] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A current transformer based on convenient positioning and assembly of a circuit board, characterized in that, include: The mounting base is detachably connected to the circuit board; the mounting base has a long, open sliding cavity; the mounting base contains two conductive posts; An adjusting block is slidably disposed in the sliding cavity and electrically connected to the two conductive posts; the adjusting block has a plug-in end located outside the sliding cavity and capable of omnidirectional movement, the plug-in end being used to correspond to a socket on the circuit board; The transformer body is fixed on the mounting base and electrically connected to the two conductive posts.

2. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 1, characterized in that, The opening of the sliding cavity is oriented parallel to the circuit board.

3. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 1, characterized in that, The sliding cavity is a cuboid cavity, and the opening of the sliding cavity is a rectangular opening.

4. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 3, characterized in that, Each of the conductive posts is arranged along the length of the opening of the sliding cavity.

5. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 1, characterized in that, The conductive posts are spaced apart along the vertical direction.

6. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 5, characterized in that, The adjustment block includes: A slider is slidably disposed in the sliding cavity, and the slider has two elongated through-holes for each of the conductive posts to pass through; each of the elongated through-holes is provided with a spring piece that can continuously contact the corresponding conductive post; A plug, fixed at the other end of the slider, has two pins; the plug is the insertion terminal; each pin is electrically connected to each spring contact via a wire.

7. The current transformer based on convenient positioning and assembly of a circuit board as described in claim 1, characterized in that, The transformer body includes: The outer casing has a central hole; An iron core is disposed in the outer casing and is coaxially arranged with the central hole; The winding is wound around the iron core, and its two ends are electrically connected to the two conductive posts respectively.