CN215527439U

CN215527439U - Chip inductor

Info

Publication number: CN215527439U
Application number: CN202122127590.2U
Authority: CN
Inventors: 刘运; 房亚辉; 张铭豪
Original assignee: Shenzhen Kekelun Technology Co ltd
Current assignee: Shenzhen Kekelun Technology Co ltd
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-01-14
Anticipated expiration: 2031-09-01

Abstract

The embodiment of the application discloses a chip inductor, which comprises an I-shaped magnetic bone, an enameled wire and a pin. The I-shaped magnetic bone comprises a magnetic core, a first blade and a second blade, wherein the first blade is provided with two symmetrical mounting grooves, and through holes penetrating through the first blade are formed in the two mounting grooves; the enameled wire is arranged on the magnetic core in a surrounding mode, and the positive end and the negative end of the enameled wire are exposed on the mounting grooves through the through holes in the two mounting grooves respectively; the pin is welded on the mounting groove. In the scheme, the positive end and the negative end of the enameled wire can be connected with the pin through the through hole in the mounting groove, so that the defect that floating points are formed by welding outside the pin is avoided, the pin can be effectively welded with external electronic equipment, the production and processing efficiency of the inductor is improved, and the cost performance of the inductor is improved.

Description

Chip inductor

Technical Field

The application relates to the technical field of inductors, in particular to a patch inductor.

Background

The inductor is an electromagnetic induction element formed by winding an insulated wire (such as an enameled wire, a yarn covered wire, a plastic covered wire and the like) on an insulated framework or a magnetic core, belongs to common electrical equipment elements, and can be communicated with direct current and direct current to form alternating current, isolate and filter alternating current signals or form a resonance circuit with a capacitor, a resistor and the like, any current of the inductor in the circuit can generate a magnetic field, and the magnetic flux of the magnetic field acts on the circuit.

The patch inductor in the prior art has the disadvantages of complex processes and high cost, when a metal pin of the patch inductor is in contact with an external circuit board, the situation that a blade is unstable and unbalanced is caused frequently because a welding spot is protruded and floated, in the production and processing process of the patch inductor, an insulating framework and the metal pin are assembled between the metal pin and an enameled wire, time is consumed, the efficiency is low, the development of the inductor industry is seriously influenced by the problems, and the situation needs to be changed.

SUMMERY OF THE UTILITY MODEL

Embodiments of the present application provide a patch inductor to solve the above-mentioned problems in the background art.

The embodiment of the application provides a chip inductor, includes:

the magnetic bearing comprises an I-shaped magnetic framework, a first magnetic core, a second magnetic core and a first blade, wherein the first blade is provided with two symmetrical mounting grooves, and through holes penetrating through the first blade are formed in the two mounting grooves;

the enameled wire is arranged on the magnetic core in a surrounding mode, and a positive end and a negative end of the enameled wire are exposed on the mounting grooves through the through holes in the two mounting grooves respectively;

and the pin is welded on the mounting groove.

In the patch inductor provided by the embodiment of the application, an insulating partition plate is further arranged on the first blade, and the insulating partition plate is arranged between the two mounting grooves.

In the patch inductor provided by the embodiment of the application, a positioning groove is further arranged on the first blade, and the positioning groove is formed in the insulating partition plate and between the installation grooves.

In the patch inductor that this application embodiment provided, the pin includes integrated into one piece's welding part and fixed part, the fixed part set up in the constant head tank, the welding part with the mounting groove laminating.

In the chip inductor provided by the embodiment of the application, an insulating sealing material is arranged between the pin and the mounting groove and between the pins and the positioning grooves, and the positive end and the negative end of the enameled wire penetrate through the insulating sealing material.

In the patch inductor provided by the embodiment of the application, the insulating sealing material is a single-component glue or a UV glue.

In the patch inductor provided by the embodiment of the application, the pins are designed to be flat structures and are made of metal tinned copper wires.

In the chip inductor provided in the embodiment of the present application, a UL sleeve is sleeved around an outer surface of an enameled wire disposed on the magnetic core and the magnetic core.

In the chip inductor provided by the embodiment of the application, the positive end and the negative end of the enameled wire are provided with fixed welding points on the mounting groove.

In the patch inductor provided by the embodiment of the application, the magnetic core, the first blade and the second blade are integrally formed.

In summary, the chip inductor provided by the embodiment of the application comprises an i-shaped magnetic bone, an enameled wire and a pin. The I-shaped magnetic bone comprises a magnetic core, a first blade and a second blade, wherein the first blade is provided with two symmetrical mounting grooves, and through holes penetrating through the first blade are formed in the two mounting grooves; the enameled wire is arranged on the magnetic core in a surrounding mode, and the positive end and the negative end of the enameled wire are exposed on the mounting grooves through the through holes in the two mounting grooves respectively; the pin is welded on the mounting groove. In the scheme, the positive end and the negative end of the enameled wire can be connected with the pin through the through hole in the mounting groove, so that the defect that floating points are formed by welding outside the pin is avoided, the pin can be effectively welded with external electronic equipment, the production and processing efficiency of the inductor is improved, and the cost performance of the inductor is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic cross-sectional structure diagram of a patch inductor provided in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an i-shaped magnetic bone provided in an embodiment of the present application.

Fig. 3 is a schematic view of an assembly structure of an i-shaped magnetic bone and a pin provided in the embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

In addition, the technical features mentioned in the different embodiments of the present application can be combined with each other as long as they do not conflict with each other.

The embodiments of the present application provide a chip inductor, which will be described in detail below.

Referring to fig. 1 to 3, a chip inductor 100 according to an embodiment of the present invention may include an i-magnetic bobbin 10, an enamel wire 20, and a lead 30.

The h-shaped magnetic rib 10 includes a magnetic core 11, a first blade 12 and a second blade 13, the first blade 12 is provided with two symmetrical mounting grooves 121, and the two mounting grooves 121 are provided with through holes 1211 penetrating through the first blade 12. The enamel wire 20 is wound around the magnetic core 11, and the positive and negative terminals of the enamel wire 20 are exposed to the mounting grooves 121 through the through holes 1211 of the two mounting grooves 121, respectively. The lead 30 is welded to the mounting groove 121.

The magnetic core 11, the first blade 12, and the second blade 13 are integrally molded.

In some embodiments, an insulation partition plate 40 is further disposed on the first blade 12, and the insulation partition plate 40 is disposed between the two mounting grooves 121. It can be understood that the insulating partition plate 40 is used to prevent the two pins 30 from being touched by mistake to affect the inductance performance, thereby improving the inductance safety.

In some embodiments, the first blade 12 is further provided with a positioning groove 122, and the positioning groove 122 is disposed between the insulation separation plate 40 and the mounting groove 121.

In the embodiment of the present application, the lead 30 includes a welding portion 31 and a fixing portion 32 that are integrally formed, the fixing portion 32 is disposed in the positioning groove 122, and the welding portion 31 is attached to the mounting groove 121. Insulating sealing materials are arranged among the pins 30, the mounting grooves 121 and the positioning grooves 122, and the positive end and the negative end of the enameled wire 20 penetrate through the insulating sealing materials. That is, by this, the fast and stable connection of the pin 30 and the first blade 12 is ensured, and the overall strength of the inductor is ensured.

The insulating sealing material can be single-component glue or UV glue.

It should be noted that the lead 30 is designed to have a flat structure and is made of a metal tinned copper wire. Therefore, the stability of the external connection of the pin 30 is ensured, and the effective welding of the pin 30 and the external electronic equipment is ensured.

In some embodiments, a UL sleeve is sleeved around the outer surface of the enameled wire 20 disposed on the magnetic core 11 and the magnetic core 11, so as to prevent the enameled wire 20 from being scratched and cut off by the outside, thereby improving the practicability of the inductor.

Note that the positive and negative ends of the enamel wire 20 are formed with fixing pads on the mounting groove 121. Thereby stabilizing the fixed connection between the enameled wire 20 and the pin 30 and preventing the enameled wire 20 from being disconnected.

The chip inductor 100 provided by the embodiment of the present application includes an i-shaped magnetic frame 10, an enamel wire 20, and a pin 30. The h-shaped magnetic rib 10 comprises a magnetic core 11, a first blade 12 and a second blade 13, wherein the first blade 12 is provided with two symmetrical mounting grooves 121, and the two mounting grooves 121 are both provided with a through hole 1211 penetrating through the first blade 12; the enameled wire 20 is arranged on the magnetic core 11 in a surrounding manner, and the positive end and the negative end of the enameled wire 20 are respectively exposed to the mounting grooves 121 through the through holes 1211 on the two mounting grooves 121; the lead 30 is welded to the mounting groove 121. In the scheme, the positive end and the negative end of the enameled wire 20 can be connected with the pin 30 through the through hole 1211 on the mounting groove 121, so that the defect of floating point formation caused by welding outside the pin 30 is avoided, the pin 30 can be effectively welded with external electronic equipment, the production and processing efficiency of the inductor is improved, and the cost performance of the inductor is improved.

The patch inductor provided in the embodiments of the present application is described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the above embodiments is only used to help understand the core ideas of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A chip inductor, comprising:

and the pin is welded on the mounting groove.

2. The patch inductor of claim 1, wherein an insulating divider is further disposed on the first blade, the insulating divider being disposed between the two mounting slots.

3. A patch inductor according to claim 2, wherein a positioning groove is further provided on the first blade, the positioning groove being provided between the insulating partition and the mounting groove.

4. The chip inductor according to claim 3, wherein the pin includes a soldering portion and a fixing portion integrally formed, the fixing portion is disposed in the positioning groove, and the soldering portion is attached to the mounting groove.

5. A chip inductor according to claim 3, wherein an insulating sealing material is provided between said lead pin and said mounting groove and said positioning groove, and positive and negative ends of said enamel wire penetrate said insulating sealing material.

6. A patch inductor according to claim 5, wherein said insulating sealing material is a one-component glue or a UV glue.

7. A patch inductor according to claim 1, wherein said leads are of a flat structural design and are made of metal tinned copper wire.

8. A chip inductor according to claim 1, wherein a UL sleeve is sleeved around an outer surface of the enamel wire disposed on the magnetic core and the magnetic core.

9. A chip inductor according to claim 1, wherein the positive and negative ends of the enamel wire are formed with fixing pads on the mounting groove.

10. The patch inductor of claim 1, wherein the magnetic core, the first blade, and the second blade are integrally formed.