Inductor

Abstract

The utility model provides an inductor, relates to the technical field of electronic components, and aims to improve the firmness of connection between a wiring terminal and a bearing body, further ensure the electrical performance of the inductor and prolong the service life of the inductor. The inductor comprises a bearing body and two wiring terminals, and each wiring terminal comprises two surfaces which are oppositely arranged. And at least one surface of the wiring terminal is provided with first convex structures and first concave structures which are alternately arranged. The bearing body is provided with a bearing surface, and the two wiring terminals are arranged on the bearing surface. And second convex structures and second concave structures which are alternately arranged are arranged on the bearing surface. The first protruding structure is used for being matched with the second concave structure, and the first concave structure is used for being matched with the second protruding structure.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of electronic components, in particular to an inductor. BACKGROUND

[0002] In the development process of electronic technology, the use of inductors is more and more widely, and the manufacturing process of traditional inductors is generally to use a coil to surround a magnetic core or a framework to form an inductor, which is relatively complex.

[0003] In order to simplify the manufacturing process of traditional inductors, integrally formed inductors are used. Specifically, the wound coil and the magnetic metal powder are pressed together, and the magnetic metal powder is formed into a carrier through a solidification process. Then the terminal is arranged on the carrier to form an integrally formed inductor.

[0004] At present, the bonding force between the terminal and the carrier of the inductor is poor, and the terminal and the carrier are easy to separate, which will affect the electrical performance of the inductor and may also cause the inductor to fail. CONTENT OF THE INVENTION

[0005] The present application provides an inductor for improving the firmness of the connection between the terminal and the carrier, further ensuring the electrical performance of the inductor and prolonging the service life of the inductor.

[0006] In order to achieve the above purpose, the present application provides an inductor, comprising a carrier and two terminals, wherein the terminal comprises two opposite surfaces. At least one surface of the terminal is provided with first protruding structures and first recessed structures arranged alternately. The carrier has a carrying surface, and the two terminals are arranged on the carrying surface. The carrying surface is provided with second protruding structures and second recessed structures arranged alternately. The first protruding structures are used to cooperate with the second recessed structures, and the first recessed structures are used to cooperate with the second protruding structures.

[0007] When the above technical scheme is adopted, the carrier has a carrying surface, and the two terminals are arranged on the carrying surface. Moreover, at least one surface of the terminal is provided with first protruding structures and first recessed structures arranged alternately, and the carrying surface is provided with second protruding structures and second recessed structures arranged alternately.

[0008] When the first protruding structures cooperate with the second recessed structures and the first recessed structures cooperate with the second protruding structures, the carrier and the terminal are connected by embedding.

[0009] At this time, the second recessed structure accommodates the first protruding structure, and the first protruding structure and the second recessed structure are embedded. The first recessed structure accommodates the second protruding structure, and the first recessed structure and the second protruding structure are embedded. The carrier and the terminal have a mutual crossing area in the direction from the terminal to the carrier.

[0010] Thus, the engagement force is formed between the carrier and the terminal, the resistance of relative movement between the carrier and the terminal is increased, the stability of the connection between the carrier and the terminal is improved, the electrical performance of the inductor is ensured, and the service life of the inductor is prolonged.

[0011] Meanwhile, compared with the phenomenon that the contact surface between the carrier and the terminal is planar in the prior art, the contact area between the carrier and the terminal provided in the embodiment of the application is larger, the friction force between the carrier and the terminal is increased, and further, the stability of the connection between the carrier and the terminal is improved, and the possibility of disengagement between the carrier and the terminal is reduced.

[0012] In addition, when the carrier is connected with the terminal, the first protruding structure is matched with the second recessed structure, and the first recessed structure is matched with the second protruding structure. When the inductor receives external impact force, the first protruding structure and the second protruding structure are arranged, the impact force can be effectively dispersed, the impact resistance of the inductor is enhanced, and the risk of damage to the inductor is reduced.

[0013] Furthermore, the contact area between the carrier and the terminal provided in the embodiment of the application is larger, so that the heat exchange area between the carrier and the terminal is larger, heat is prevented from being concentrated on the terminal or the carrier, the heat dissipation capacity of the inductor is improved, and the service life of the inductor is prolonged.

[0014] In a possible implementation manner, the first protruding structure and the second protruding structure are triangular protruding structures.

[0015] When the above technical solution is adopted, external impact force can be effectively dispersed, absorbed and borne, the compression resistance and deformation resistance of the inductor are improved, and the service life of the inductor is prolonged.

[0016] In a possible implementation manner, the triangular protruding structure has an included angle a between the side and the bearing surface, and 15°≤a≤60°.

[0017] When the above technical solution is adopted, when the inductor receives external impact force, the stress distribution between the carrier and the terminal is more uniform, the impact resistance of the inductor can be ensured, and local overload of the inductor can be avoided.

[0018] In a possible implementation manner, the first protruding structure and the second protruding structure are rectangular protruding structures.

[0019] When the technical scheme is adopted, the first convex structure and the second convex structure are rectangular convex structures, the rectangular convex structures have a large surface area, the contact area between the carrier and the terminal can be further increased, the friction between the carrier and the terminal is increased, the stability of the connection between the carrier and the terminal is improved, and the possibility of disconnection between the carrier and the terminal is reduced.

[0020] Meanwhile, the rectangular convex structure has a high anti-overturning and anti-deformation capability when the inductor bears a load. In addition, the rectangular convex structure is generally easy to manufacture and process.

[0021] In addition, the structure of the first convex structure and the second convex structure is diversified, and the first convex structure and the second convex structure can be selected according to actual conditions.

[0022] In a possible implementation, the first convex structure and the second convex structure are arc convex structures.

[0023] When the technical scheme is adopted, the surface of the carrier and the terminal in contact with each other is a curved surface, stress can be uniformly distributed on the entire curved surface, energy can be effectively absorbed and dispersed, stress concentration can be reduced, the impact resistance of the inductor can be ensured, and local overload of the inductor can be avoided.

[0024] In addition, the structure of the first convex structure and the second convex structure can be a triangular convex structure, a rectangular convex structure, or an arc convex structure, the structure of the first convex structure and the second convex structure is diversified, and the first convex structure and the second convex structure can be selected according to actual conditions in specific implementation.

[0025] In a possible implementation, the depth of the first recess structure and the second recess structure is 0.02mm-0.06mm.

[0026] When the technical scheme is adopted, the depth of the first recess structure and the second recess structure is within a certain range, and the stability of the connection between the carrier and the terminal can be ensured.

[0027] In a possible implementation, the width of the terminal is 0.45mm-1.27mm.

[0028] When the technical scheme is adopted, the width of the terminal provided in the application is within an appropriate range, the contact area between the terminal and the carrier is ensured, the stability of the connection between the terminal and the carrier is ensured, and when the inductor is installed on the circuit board through the terminal, the connection area between the terminal and the circuit board can be ensured, and the stability of the connection between the inductor and the circuit board is ensured.

[0029] In a possible implementation, the terminal is electroplated on the carrier.

[0030] When the technical scheme is adopted, the wiring terminal is electroplated on the carrier, and thus the wiring terminal and the carrier can be in close contact, the contact resistance can be reduced, and the stability and durability of the connection between the wiring terminal and the carrier can be improved.

[0031] In a possible implementation, the wiring terminal is welded to the carrier.

[0032] When the technical scheme is adopted, the connection mode between the wiring terminal and the carrier is diversified, and the connection mode can be selected according to actual conditions.

[0033] In a possible implementation, the wiring terminal comprises, from the carrier to the direction away from the carrier, a copper layer, a nickel layer and a tin layer arranged in sequence.

[0034] In a possible implementation, when the first protruding structure and the first recessed structure are alternately arranged on both surfaces of the wiring terminal, the thickness of the copper layer is 4 μm-10 μm, the thickness of the nickel layer is 3 μm-10 μm, and the thickness of the tin layer is 4.5 μm-10 μm. BRIEF DESCRIPTION OF DRAWINGS

[0035] Figure 1 A top view of an inductor is provided for the embodiments of the present application.

[0036] Figure 2 When the first protruding structure and the second protruding structure are triangular protruding structures, a schematic diagram of the positional relationship between the wiring terminal and the carrier is shown in Figure 1 .

[0037] Figure 3 When the first protruding structure and the second protruding structure are triangular protruding structures, a schematic diagram of the positional relationship between the wiring terminal and the carrier is shown in Figure 2 .

[0038] Figure 4 When the first protruding structure and the second protruding structure are rectangular protruding structures, a schematic diagram of the positional relationship between the wiring terminal and the carrier is shown in

[0039] Figure 5 When the first protruding structure and the second protruding structure are arc-shaped protruding structures, a schematic diagram of the positional relationship between the wiring terminal and the carrier is shown in

[0040] REFERENCE SIGNS:

[0041] 1-wiring terminal, 11-first protruding structure, 12-first recessed structure, 2-carrier, 21-second protruding structure,

[0042] 22-second recessed structure. DETAILED DESCRIPTION

[0043] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some but not all of the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort should fall within the scope of the present application.

[0044] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application; the use herein of terms such as "comprise", "comprising", "comprises", "including", "includes" or "have" and "has" are used generically which means "including but not limited to".

[0045] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. A person of ordinary skill in the art will understand that an embodiment described herein can be combined with another embodiment.

[0046] The positional words appearing in the following description are the directions shown in the drawings, and are not intended to limit the specific structure of the present application. For example, in the description of the present application, the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only intended to facilitate the description of the present application and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0047] In addition, the terms "first", "second", and the like in the description and claims of the present application or the above drawings are used to distinguish different objects, and are not intended to describe a particular order, and can explicitly or implicitly include one or more of the features.

[0048] In the description of the present application, unless otherwise specified, "a plurality of" means two or more (including two), and similarly, "a plurality of groups" means two or more groups (including two groups).

[0049] The embodiment of the present application provides an inductor, please refer to Figure 1 and Figure 2 The inductor comprises a carrier 2 and two terminals 1, wherein the terminal 1 comprises two oppositely arranged surfaces. At least one surface of the terminal 1 is provided with first protruding structures 11 and first recessed structures 12 arranged alternately. The carrier 2 has a bearing surface, and the two terminals 1 are arranged on the bearing surface. The bearing surface is provided with second protruding structures 21 and second recessed structures 22 arranged alternately. The first protruding structure 11 is used for cooperating with the second recessed structure 22, and the first recessed structure 12 is used for cooperating with the second protruding structure 21.

[0050] When the above technical scheme is adopted, the carrier 2 has a bearing surface, and the two terminals 1 are arranged on the bearing surface. Moreover, at least one surface of the terminal 1 is provided with first protruding structures 11 and first recessed structures 12 arranged alternately, and the bearing surface is provided with second protruding structures 21 and second recessed structures 22 arranged alternately.

[0051] When the first protruding structure 11 cooperates with the second recessed structure 22, and the first recessed structure 12 cooperates with the second protruding structure 21, the carrier 2 and the terminal 1 are embeddedly connected.

[0052] At this time, the second recessed structure 22 accommodates the first protruding structure 11, and the first protruding structure 11 is embedded in the second recessed structure 22. The first recessed structure 12 accommodates the second protruding structure 21, and the first recessed structure 12 is embedded in the second protruding structure 21. The carrier 2 and the terminal 1 have a mutual crossing area in the direction from the terminal 1 to the carrier 2.

[0053] In this way, the carrier 2 and the terminal 1 form a clamping force, increase the resistance of relative movement between the carrier 2 and the terminal 1, improve the stability of the connection between the carrier 2 and the terminal 1, ensure the electrical performance of the inductor, and prolong the service life of the inductor.

[0054] Meanwhile, compared with the phenomenon that the mutual contact surfaces between the carrier 2 and the terminal 1 are flat in the prior art, the contact area between the carrier 2 and the terminal 1 provided by the embodiment of the present application is larger, which can increase the friction force between the carrier 2 and the terminal 1, and further improve the stability of the connection between the carrier 2 and the terminal 1, and reduce the possibility of separation between the carrier 2 and the terminal 1.

[0055] In addition, when the carrier 2 is connected with the terminal 1, the first protruding structure 11 is matched with the second recessed structure 22, and the first recessed structure 12 is matched with the second protruding structure 21. When the inductor is subjected to external impact force, the arrangement of the first protruding structure 11 and the second protruding structure 21 can effectively disperse the impact force, enhance the impact resistance of the inductor, and reduce the risk of damage to the inductor.

[0056] Furthermore, the contact area between the carrier 2 and the terminal 1 is large, so that the heat exchange area between the carrier 2 and the terminal 1 is large, heat is not concentrated on the terminal 1 or the carrier 2, the heat dissipation capacity of the inductor is improved, and the service life of the inductor is prolonged.

[0057] In specific implementation, the carrier 2 can be formed by high-temperature and high-pressure solidification of magnetic metal powder. The structure of the carrier 2 can be a multi-prism structure or a cylindrical structure, which is only used as an example and is not limited in a specific manner.

[0058] In the embodiments provided in the present application, the carrier 2 is matched with the terminal 1. Figure 1 and Figure 2 As shown in the drawings, the structure of the carrier 2 is a cuboid structure.

[0059] As an example, the structure of the terminal 1 can be a cuboid plate structure.

[0060] The number of the terminal 1 is two, and the arrangement of the two terminals 1 on the bearing surface is not limited in a specific manner. As shown in the drawings, the two terminals 1 are arranged in parallel on the bearing surface, and the actual arrangement is not limited to this. Figure 1

[0061] The terminal 1 includes two oppositely arranged surfaces, and the first protruding structure 11 and the first recessed structure 12 can be alternately arranged on one surface of the terminal 1, as shown in the drawings. In this case, the surface on which the first protruding structure 11 and the first recessed structure 12 are alternately arranged is matched with the bearing surface. Figure 2

[0062] Of course, the first protruding structure 11 and the first recessed structure 12 can also be alternately arranged on both surfaces of the terminal 1, as shown in the drawings. In this way, any one of the two oppositely arranged surfaces of the terminal 1 can be matched with the bearing surface. Figures 3 to 5

[0063] ​​​In addition, when the first protruding structure 11 and the first recessed structure 12 are alternately arranged on both surfaces of the terminal 1, and one of the surfaces is matched with the bearing surface, in the specific implementation, the other surface is connected with the circuit board, and the first protruding structure 11 and the first recessed structure 12 are alternately arranged on the other surface. In this way, more welding material can be filled between the first recessed structure 12 of the terminal and the circuit board, and the connection stability of the terminal and the circuit board can be improved.

[0064] The number of the first protruding structure 11 can be multiple. It should be understood that the number of the first protruding structure 11 is not limited to the number shown in the drawings, and the number of the first protruding structure 11 can be one or more. Figures 2 to 5 The first recessed structure 12 is formed between adjacent first protruding structures 11, and the second recessed structure 22 is flanked by the second protruding structure 21.

[0065] In addition, when the number of the first protruding structure 11 is multiple, the number of the first recessed structure 12, the second protruding structure 21 and the second recessed structure 22 is also multiple, which increases the contact area of the bearing body 2 and the terminal 1, further improves the connection stability of the bearing body 2 and the terminal 1, and is beneficial to prolong the service life of the inductor.

[0066] In actual cases, the inductor also includes a coil. In actual processing, the wound coil can be pressed together with the magnetic metal powder, and the magnetic metal powder is formed into the bearing body 2 through a solidification process, and the coil is arranged inside the bearing body 2.

[0067] The coil has two lead terminals, and after the terminal 1 is arranged on the bearing body 2, the two terminals 1 are electrically connected with the two lead terminals respectively. In specific applications, the inductor can be electrically connected to the circuit board through the two terminals 1.

[0068] In specific implementation, the structure of the first protruding structure 11 and the second protruding structure 21 is not limited here. In one possible implementation, as shown in Figure 2 and Figure 3 , the first protruding structure 11 and the second protruding structure 21 are triangular protruding structures.

[0069] In this way, the external impact force can be effectively dispersed, absorbed and borne, the compression resistance and deformation resistance of the inductor can be improved, and the service life of the inductor can be prolonged.

[0070] As an example, as shown in Figure 2 and Figure 3 , the side surface of the triangular protruding structure has an included angle α with the bearing surface, and 15°≤α≤60°.

[0071] At this time, when the inductor is subjected to external impact force, the stress distribution between the carrier 2 and the terminal 1 is more uniform, which can not only ensure the impact resistance of the inductor, but also avoid local overload of the inductor.

[0072] It should be noted that in the embodiments provided in the present application, the included angle a can also refer to the included angle between the side surface of the triangular protruding structure and the bottom surface of the triangular protruding structure.

[0073] Exemplarily, the included angle a between the side surface of the triangular protruding structure and the bearing surface can be 15°, 20°, 25°, 30°, 36°, 45°, 50°, 54°, 60°, etc., which is not limited here, and is subject to actual conditions.

[0074] In actual conditions, when the first protruding structure 11 and the second protruding structure 21 are triangular protruding structures, and the number of the first protruding structure 11 and the second protruding structure 21 is multiple, the included angle a between the side surface of the multiple triangular protruding structures and the bearing surface can be the same or different, subject to actual conditions.

[0075] It can be understood that when the first protruding structure 11 and the second protruding structure 21 are triangular protruding structures, the first recessed structure 12 and the second recessed structure 22 are triangular recessed structures, as shown in Figure 2 and Figure 3 .

[0076] In another possible implementation, as shown in Figure 4 , the first protruding structure 11 and the second protruding structure 21 are rectangular protruding structures.

[0077] In this way, the first protruding structure 11 and the second protruding structure 21 are rectangular protruding structures, the rectangular protruding structure has a large surface area, which can further increase the contact area between the carrier 2 and the terminal 1, so that the friction between the carrier 2 and the terminal 1 is increased, the stability of the connection between the carrier 2 and the terminal 1 is improved, and the possibility of disengagement between the carrier 2 and the terminal 1 is reduced.

[0078] At the same time, the geometric characteristics of the rectangular protruding structure make the inductor have high anti-overturning and anti-deformation ability when subjected to external impact force. Furthermore, the rectangular protruding structure is generally easy to manufacture and process.

[0079] Moreover, the structure of the first protruding structure 11 and the second protruding structure 21 is diversified, which is convenient for selection and setting according to actual conditions.

[0080] It can be understood that when the first protruding structure 11 and the second protruding structure 21 are rectangular protruding structures, the first recessed structure 12 and the second recessed structure 22 are rectangular recessed structures, as shown in Figure 4 .

[0081] As an example, as shown in Figure 5 The first protruding structure 11 and the second protruding structure 21 are arc-shaped protruding structures.

[0082] In this way, the surface of the carrier 2 and the terminal 1 is a curved surface, which can uniformly distribute stress on the entire curved surface, effectively absorb and disperse energy, reduce stress concentration, ensure the impact resistance of the inductor, and avoid local overload of the inductor.

[0083] In addition, the first protruding structure 11 and the second protruding structure 21 can be triangular protruding structures, rectangular protruding structures, or arc-shaped protruding structures, which enriches the structure of the first protruding structure 11 and the second protruding structure 21, and facilitates selection and setting according to actual conditions in specific implementation.

[0084] It can be understood that when the first protruding structure 11 and the second protruding structure 21 are arc-shaped protruding structures, the first recessed structure 12 and the second recessed structure 22 are arc-shaped recessed structures, as shown in Figure 5 .

[0085] As a possible implementation, the depth of the first recessed structure 12 and the second recessed structure 22 is 0.02mm-0.06mm.

[0086] It should be noted that, as shown in Figures 2 to 5 The depth H1 of the first recessed structure 12 refers to the size of the first recessed structure 12 in the direction from the terminal 1 to the carrier 2. Similarly, the depth H2 of the second recessed structure 22 refers to the size of the second recessed structure 22 in the direction from the terminal 1 to the carrier 2.

[0087] For example, the depth H1 of the first recessed structure 12 can be 0.02mm, 0.03mm, 0.045mm, 0.05mm, 0.06mm, etc. The depth H2 of the second recessed structure 22 can be 0.02mm, 0.025mm, 0.03mm, 0.04mm, 0.045mm, 0.05mm, 0.06mm, etc. Of course, this is just an example and is not a specific limitation, and the actual situation is accurate.

[0088] The depth of the first recessed structure 12 and the second recessed structure 22 is within a certain range, which can ensure the stability of the connection between the carrier 2 and the terminal 1.

[0089] At the same time, in specific implementation, when the inductor is installed on the circuit board through the terminal 1, the firmness of the connection between the terminal 1 and the circuit board can be ensured, and the probability of the carrier 2 and the terminal 1 being separated can be reduced.

[0090] Further, as shown in Figure 1As shown, the width L of terminal 1 is 0.45mm to 1.27mm.

[0091] For example, the width L of the terminal block 1 can be 0.45mm, 0.5mm, 0.6mm, 0.8mm, 0.86mm, 0.9mm, 1.0mm, 1.2mm, 1.25mm, 1.27mm, etc.

[0092] The width L of the terminal block 1 provided in this embodiment is within an appropriate range to ensure the contact area between the terminal block 1 and the carrier 2, thus guaranteeing the robustness of the connection between the terminal block 1 and the carrier 2. Simultaneously, when the inductor is mounted on the circuit board via the terminal block 1, the connection area between the terminal block 1 and the circuit board can be ensured, guaranteeing the stability of the connection between the inductor and the circuit board.

[0093] In some embodiments, the terminal block 1 can be electroplated onto the carrier 2. In this case, a tight contact between the terminal block 1 and the carrier 2 can be achieved, reducing contact resistance and improving the stability and durability of the connection between the terminal block 1 and the carrier 2.

[0094] In practice, terminal 1 can also be soldered to carrier 2. This enriches the connection methods between terminal 1 and carrier 2, making it easier to select according to actual conditions.

[0095] In practice, terminal 1 is made of conductive metal. Terminals can be silver, copper, etc.

[0096] As one possible implementation, from the bearing surface to the direction away from the bearing body 2, the terminal 1 includes a copper layer, a nickel layer and a tin layer arranged sequentially.

[0097] like Figures 3 to 5 As shown, when alternating first protruding structures 11 and first recessed structures 12 are provided on both surfaces of the terminal block, the thickness of the copper layer can be 4μm-10μm, the thickness of the nickel layer can be 3μm-10μm, and the thickness of the tin layer can be 4.5μm-10μm.

[0098] For example, the thickness of the copper layer can be 4μm, 5μm, 6μm, 7μm, 8.5μm, 9μm, 10μm, etc. The thickness of the nickel layer can be 3μm, 4μm, 4.5μm, 5μm, 6μm, 7.5μm, 8μm, 9μm, 10μm, etc. The thickness of the tin layer can be 3μm, 4.5μm, 5μm, 5.5μm, 6μm, 7μm, 7.5μm, 8μm, 9μm, etc.

[0099] For ease of description, the two surfaces of the terminal block 1 are defined as the first surface and the second surface, respectively, and the surface of the terminal block 1 that mates with the carrier 2 is defined as the second surface.

[0100] like Figures 3 to 5 As shown, the first recessed structure on the first surface corresponds to the first protruding structure on the second surface. The thickness of the copper layer refers to the vertical distance of the copper layer along the direction from the wall of the first recessed structure on the first surface to the wall of the corresponding first protruding structure on the second surface. Accordingly, the thicknesses of the nickel layer and the tin layer are similar to those of the copper layer and will not be described further here.

[0101] In the description of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, "connection" or "joining" in mechanical structures can refer to a physical connection, such as a fixed connection, for example, a connection fixed by a partition, such as a connection fixed by screws, bolts, or other partitions; a physical connection can also be a detachable connection, such as a snap-fit ​​or interlocking connection; a physical connection can also be an integral connection, such as a connection formed by welding, bonding, or integral molding. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

Claims

1. An inductor, characterized by The utility model relates to a terminal crimping structure, including: Two terminal crimping structures, the terminal crimping structure includes two oppositely arranged surfaces; at least one surface of the terminal crimping structure is provided with first convex structures and first concave structures arranged alternately; A carrier body has a bearing surface; the two terminal crimping structures are arranged on the bearing surface; the bearing surface is provided with second convex structures and second concave structures arranged alternately; the first convex structures are used for cooperating with the second concave structures, and the first concave structures are used for cooperating with the second convex structures.

2. The inductor of claim 1, wherein, The first convex structures and the second convex structures are triangular convex structures.

3. The inductor of claim 2, wherein, The side surface of the triangular convex structure and the bearing surface have an included angle alpha, and 15 DEG <= alpha <= 60 DEG.

4. The inductor of claim 1, wherein, The first convex structures and the second convex structures are rectangular convex structures.

5. The inductor of claim 1, wherein, The first convex structures and the second convex structures are arc convex structures.

6. The inductor of any one of claims 1 to 5, wherein, The depth of the first concave structures and the second concave structures is 0.02mm-0.06mm.

7. The inductor of any one of claims 1 to 5, wherein, The width of the terminal crimping structure is 0.45mm~1.27mm.

8. The inductor of any one of claims 1 to 5, wherein, The terminal crimping structure is electroplated on the carrier body or the terminal crimping structure is welded with the carrier body.

9. The inductor of claim 1, wherein, From the bearing surface to the direction away from the carrier body, the terminal crimping structure includes copper layer, nickel layer and tin layer arranged in sequence.

10. The inductor of claim 9, wherein, When the first convex structures and the first concave structures arranged alternately are arranged on both surfaces of the terminal crimping structure, the thickness of the copper layer is 4um-10um; the thickness of the nickel layer is 3um-10um; the thickness of the tin layer is 4.5um-10um.

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