A same-direction pin inductor
Patent Information
- Application Number
- CN202420994383.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-09
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-05-09
AI Technical Summary
The pins of traditional inductors are located at both ends of the coil, resulting in a large distance between the pins and a large area, which increases production costs and is not conducive to the miniaturization design of the circuit board.
The same-direction pin design is adopted, and the two ends of the coil extend in the same direction to form the pin of the inductor, and the stability is improved through magnet material filling and fully enclosed design, reducing dependence on the bracket and simplifying the manufacturing process.
It has achieved improved performance stability of inductors and reduced area size, reduced production costs, adapted to different application scenarios, and reduced line layout complexity and material costs.
Smart Images
Figure CN222300436U8_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of inductors, and in particular to an inductor with same-direction pins. Background Art
[0002] Inductor is an electrical component that stores electrical energy through the induction of a magnetic field. Similar to capacitors, it is an important component in circuits. Inductors are mainly composed of a coil wound with a wire. When current passes through the coil, a magnetic field is formed around it. When the current in the circuit changes, the magnetic field will also change. This change will cause an electromotive force to be generated in the coil, causing the inductor to generate impedance in the circuit, affecting the voltage and current changes of the circuit. The unit of inductance is Henry. Inductors are widely used in electronic circuits, including power supply filtering, radio frequency circuits, oscillation circuits, etc.
[0003] However, the pins of a traditional inductor are located at both ends of a coil, so that the distance between the inductor pins is large, which occupies a large area and is not conducive to the miniaturization design of a circuit board. In addition, during the production of a traditional inductor, a frame mold is required to support it, which increases the production cost. Therefore, the utility model proposes an inductor with same-direction pins to at least partially solve the problems that may exist in the prior art. Utility Model Content
[0004] In order to overcome the above problems or at least partially solve the above problems, an embodiment of the utility model provides a same-direction pin inductor, which improves the performance stability of the inductor and can be more flexibly adapted to different application scenarios.
[0005] The embodiment of the utility model is achieved as follows:
[0006] The embodiment of the present application provides a same-direction pin inductor, including a coil filled with magnetic material and a fully enclosed inductor wrapped around the coil; the two ends of the coil extend out of the inductor in the same direction to form the pins of the inductor.
[0007] In some embodiments of the present invention, the inductor is located at the pin position and faces the bottom of the inductor, and is further provided with a wire groove; the pin fits the wire groove and extends along the wire groove direction.
[0008] In some embodiments of the utility model, a pin groove is provided at the bottom of the inductor; the pin has a bent structure and is arranged in the pin groove; a boss is formed between the pin grooves, and the boss height is not less than the wire diameter of the pin.
[0009] In some embodiments of the present invention, the surface of the boss is in a "T" shape.
[0010] In some embodiments of the present invention, the surface of the boss is in an "I" shape.
[0011] In some embodiments of the present invention, the bending structure includes a straight-line, L-shaped, arc-shaped, Z-shaped and spiral-shaped bending structure.
[0012] Compared with the prior art, the embodiments of the present invention have at least the following advantages or beneficial effects:
[0013] A fully enclosed inductor is formed by filling the coil with magnetic material and coating the coil; the two ends of the coil extend in the same direction to form the pins of the inductor. The inductor with the same direction pins of the present application improves the performance stability of the inductor through the fully enclosed design and the same direction pin layout, and can be more flexibly adapted to different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0015] Figure 1 It is a structural schematic diagram of a same-direction pin inductor provided in one embodiment of the utility model;
[0016] Figure 2 for Figure 1 Schematic diagram of the inverted three-dimensional structure;
[0017] Figure 3 It is a structural schematic diagram of a same-direction pin inductor with pin slots provided in one embodiment of the utility model;
[0018] Figure 4 for Figure 3 Schematic diagram of the inverted three-dimensional structure;
[0019] Figure 5 It is a schematic structural diagram of a same-direction pin inductor with straight bent pins provided in one embodiment of the utility model;
[0020] Figure 6 for Figure 5 Schematic diagram of the inverted three-dimensional structure;
[0021] Figure 7 It is a structural schematic diagram of a same-direction pin inductor with a multi-bending pin structure provided in one embodiment of the utility model;
[0022] Figure 8 for Figure 7 Schematic diagram of the inverted three-dimensional structure.
[0023] In the figure: 101, inductor; 102, pin; 103, wire groove; 104, pin groove; 105, boss. DETAILED DESCRIPTION
[0024] For better understanding and implementation, the following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] It should be understood that the references to "one embodiment" or "an embodiment" throughout the specification mean that the specific features, structures, or characteristics associated with the embodiment are included in at least one embodiment of the present invention. Therefore, the references to "in one embodiment" or "in an embodiment" appearing throughout the specification do not necessarily refer to the same embodiment. In addition, these specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
[0026] It should be noted that the directions or positional relationships indicated by terms such as “upper”, “lower”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the description of the present invention are only for describing specific embodiments and are not intended to limit the present invention.
[0028] Example 1
[0029] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.
[0030] Please refer to Figures 1 to 8As shown, an embodiment of the utility model provides a same-direction pin inductor, including a fully enclosed inductor 101 filled with magnetic material inside a coil and wrapped outside the coil; the two ends of the coil extend out of the inductor 101 in the same direction to form the pins 102 of the inductor.
[0031] In the above embodiment, the same-direction pin inductor of the present application solves the problem that the pins of the traditional inductor are located at both ends of the coil, which makes the distance between the inductor pins large. Through the same-direction pins 102, the pins 102 of the above inductor can have a smaller spacing. When in use, the two pins 102 make the spacing between the electrodes of the circuit board smaller, so that its inductance can occupy a smaller circuit board area, which is conducive to the miniaturization design of the circuit board, so that it can, on the other hand, the above-mentioned same-direction pin inductor can also be a fully enclosed inductor. The same-direction pin inductor adopts a fully enclosed design, and there is a coating material on the outside of the coil, so that the entire inductor is enclosed to prevent external electromagnetic interference and substances from entering the inside, thereby improving the stability and reliability of the inductor. The same-direction pin inductor has two pins extending in the same direction, which is more convenient in application and can reduce the complexity of the circuit layout. In addition, the inductor adopts the same direction pins 102 and does not need to be fixed by a frame. The two same direction pins 102 make it possible to plug into a mold or clamp. Since the support frame is a disposable auxiliary material, the use of the frame can be reduced through the above inductor structure, thereby reducing production costs. On the other hand, since the above inductor adopts the copper wires at both ends of the coil as pins, there is no need for hardware sheets to weld the pins during production, thereby further simplifying the manufacturing process. At the same time, since no hardware sheets are used to support and weld the pins, the material cost can be further reduced.
[0032] Example 2
[0033] The utility model embodiment provides a same-direction pin inductor, referring to Figures 1 to 8 As shown, the inductor 101 is located at the position of the pin 102 and faces the bottom of the inductor 101, and is also provided with a wire groove 103; the pin 102 is attached to the wire groove 103 and extends along the wire groove 103. The bottom of the inductor 101 is provided with a pin groove 104; the pin 102 has a bent structure and is arranged in the pin groove 104.
[0034] In this embodiment, the inductor 101 is located at the position of the pin 102, and is also provided with a wire groove 103. The side of the inductor 101 is provided with a wire groove 103 from the outlet position of the copper wire pin 102 to its bottom; the pin 102 extends along the wire groove 103. Through the wire groove 103, the copper wire pin 102 led out from the side of the inductor 101 can be routed along the wire groove 103 until the bottom position of the inductor, and the copper wire pin 102 can continue to extend downward, which is convenient for use as a plug-in component on the PCB board, and then soldered on the PCB by soldering; the copper wire pin 102 can also be bent at the part beyond the bottom to form a larger surface, so that it has a larger contact surface with the pad on the PCB, which can be more firm during welding. After bending, it can also play a supporting role, and no additional support is required for support during welding. For example, it can be bent into a Z-shaped or spiral disk. The pin 102 of the above-mentioned same-direction pin inductor can be made easier to implant through the wire groove 103 without offset.
[0035] In a preferred embodiment, a boss 105 is formed between the pin grooves 104, and the height of the boss 105 is not less than the wire diameter of the pin 102; the bending structure can be bent toward the side of the inductor 101, and the pin 102 is bent along the wire groove 103 toward the bottom of the inductor 101, or is in a bending structure at the bottom of the inductor 101, or can be bent downward or according to user needs. The portion of the copper wire pin 102 that exceeds the bottom of the inductor 101 has an inward or outward bending structure; specifically, the bending structure includes a straight line, L-shaped, arc-shaped, Z-shaped and spiral bending structure. By bending the copper wire pin 102, it can increase the contact surface with the PCB board and also play a supporting role.
[0036] In a preferred embodiment, reference Figure 3 , Figure 4 as well as Figure 6 As shown, the surface of the boss 105 is in a "T" shape; the "T"-shaped boss 105 has a three-point support structure when placed on a plane, which is convenient for welding to the corresponding pads on the circuit board and avoids uneven placement, which may cause the pin 102 to have a false connection with the pad during inductive welding.
[0037] In a preferred embodiment, reference Figure 7 and Figure 8 The surface of the boss 105 is in the shape of an I-shaped character, wherein the end of the pin 102 also has a bending structure toward the middle of the I-shaped character, which can increase the area of the pin and increase the contact surface with the pad during welding.
[0038] It should be noted that, since the inductor 101 is made of magnetic material and has a certain electromagnetic shielding function, the pins 102 from the wire slot 103 to the pin slot 104 can also be electromagnetically shielded from each other to prevent the two pins 102 from interfering with each other.
[0039] It should be noted that each embodiment in this specification is described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the various embodiments can be referred to each other. Although optional embodiments of the utility model embodiments have been described, once those skilled in the art know the basic creative concept, they can make additional changes and modifications to these embodiments. Therefore, the attached claims are intended to be interpreted as including optional embodiments and all changes and modifications that fall within the scope of the utility model embodiments.
[0040] Finally, it should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity from another entity, and do not necessarily require or imply any such actual relationship or order between these entities. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that an article or terminal 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 article or terminal device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the article or terminal device including the elements.
[0041] The technical solution provided by the present invention is introduced in detail above. Specific examples are used in this article to illustrate the principle and implementation method of the present invention. At the same time, for those skilled in the art, according to the principle and implementation method of the present invention, there will be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the present invention.
Claims
1. A same-direction pin inductor, characterized in that: The invention comprises a fully enclosed inductor (101) formed by filling a coil with magnetic material and covering the coil; two ends of the coil extend out of the inductor (101) in the same direction to form pins (102) of the inductor.
2. The same direction pin inductor according to claim 1, characterized in that: The inductor (101) is located at the position of the pin (102) and faces the bottom of the inductor (101), and is also provided with a wire groove (103); the pin (102) fits the wire groove (103) and extends along the direction of the wire groove (103).
3. The same direction pin inductor according to claim 1 or 2, characterized in that: The bottom of the inductor (101) is provided with a pin groove (104); the pin (102) has a bent structure and is arranged in the pin groove (104); a boss (105) is formed between the pin grooves (104), and the height of the boss (105) is not less than the wire diameter of the pin (102).
4. The same direction pin inductor according to claim 3, characterized in that: The surface of the boss (105) is in a "T" shape.
5. The same direction pin inductor according to claim 3, characterized in that: The surface of the boss (105) is in the shape of an I.
6. The same direction pin inductor according to claim 5, characterized in that: The bending structure includes straight-line, L-shaped, arc-shaped, Z-shaped and spiral-shaped bending structures.