CN216054111U

CN216054111U - Inductor with internal fixing seat

Info

Publication number: CN216054111U
Application number: CN202122695334.3U
Authority: CN
Inventors: 秦佳意; 邓佳佳
Original assignee: Zhongshan She Ke Electronic Co ltd
Current assignee: Zhongshan She Ke Electronic Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-03-15
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses an inductor with an internal fixed seat, which comprises a fixed seat, a copper wire, two electrode plates and a magnetic powder block, wherein the fixed seat and the magnetic powder block are both formed by pressing magnetic powder; the fixing seat and the coil are wrapped by the magnetic powder blocks, and the two electrode plates are connected with the two ends of the copper wire respectively and extend out of the magnetic powder blocks. The utility model can prevent the coil from deforming and ensure the electrical property of the inductor.

Description

Inductor with internal fixing seat

Technical Field

The utility model relates to the technical field of inductors, in particular to an inductor with an inner fixed seat.

Background

The existing inductor is generally composed of a magnetic powder block formed by pressing magnetic powder, a coil and an electrode plate. In the forming process, the coil connected with the electrode plate is placed into a pressing mold, magnetic powder is injected into the mold, and then the magnetic powder is pressed into a magnetic powder block through corresponding pressing equipment. Because the coil is not positioned by a positioning structure in the die, the coil can be extruded to generate micro deformation in the pressing process, and the electrical property of the inductor is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an inductor with an internal fixed seat, which can prevent a coil from deforming and ensure the electrical property of the inductor.

In order to solve the problems, the utility model adopts the following technical scheme:

the embodiment of the utility model provides an inductor with an internal fixed seat, which comprises a fixed seat, a copper wire, two electrode plates and a magnetic powder block, wherein the fixed seat and the magnetic powder block are both formed by pressing magnetic powder; the fixing seat and the coil are wrapped by the magnetic powder blocks, and the two electrode plates are connected with the two ends of the copper wire respectively and extend out of the magnetic powder blocks.

In some embodiments, the fixing plate is a cross-shaped structure, and the fixing plate comprises two first protrusions extending along the transverse direction and two second protrusions extending along the longitudinal direction; and two ends of the copper wire respectively bypass the two second convex blocks and are tightly attached to the lower surfaces of the second convex blocks.

In some embodiments, the lower surfaces of the two second bumps are provided with receiving grooves, and two ends of the copper wire respectively pass through the two receiving grooves.

In some embodiments, the receiving groove extends in the transverse direction and penetrates through the second bump, and both ends of the copper wire extend out of the openings on the same side of the receiving groove.

In some embodiments, the coil is helically wound.

In some embodiments, the copper wire is a ribbon structure, and the coils are stacked in the axial direction of the fixing column.

In some embodiments, two electrode pads are integrally connected to both ends of the copper wire, respectively.

In some embodiments, the electrode pads are formed after the copper wires are flattened.

The utility model has at least the following beneficial effects: according to the utility model, the coil is wound on the fixing column of the fixing seat, the fixing column plays a role in supporting and positioning the coil, and when the magnetic powder block is pressed, the fixing column can prevent the coil from deforming, so that the electrical property of the inductor is ensured, and the inductor has the characteristics of low resistance and high saturation current.

Drawings

Fig. 1 is a schematic partial structural view of an inductor with an internal fixing base according to an embodiment of the present invention;

fig. 2 is a partial schematic structural diagram of an inductor with an internal fixing base in another view according to an embodiment of the present invention.

Wherein the reference numerals are: the fixing base 100, the fixing plate 110, the first bump 111, the second bump 112, the receiving groove 113, the fixing post 120, the copper wire 200, and the coil 210.

Detailed Description

The present disclosure provides the following description with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.

The terms and words used in the following description and claims are not limited to the literal meanings, but are used by the inventors to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.

The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc. Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.

It will be understood that when an element (e.g., a first element) is "connected" to another element (e.g., a second element), the element can be directly connected to the other element or intervening elements (e.g., a third element) may be present.

An embodiment of the present invention provides an inductor with an internal fixing base, as shown in fig. 1 and 2, which includes a fixing base 100, a copper wire 200, two electrode plates (not shown) and a magnetic powder block (not shown), where the fixing base 100 and the magnetic powder block are both formed by pressing magnetic powder, and the magnetic powder block is generally rectangular. The fixing base 100 includes a fixing plate 110 and fixing posts 120 disposed on an upper surface of the fixing plate 110, the fixing posts 120 and the fixing plate 110 are integrally formed, and an axial direction of the fixing posts 120 may be perpendicular to the fixing plate 110. The copper wire 200 is wound on the outer periphery of the fixing post 120 to form a coil 210, and the coil 210 can wrap the outer periphery of the fixing post 120 to be tightly attached to the fixing post 120. Both ends of the copper wire 200 are wound around the fixing plate 110 and closely attached to the lower surface of the fixing plate 110, i.e. the ends of the copper wire 200 are wound from the upper surface of the fixing plate 110 to the lower surface of the fixing plate 110, so that the whole copper wire 200 is fastened to the fixing base 100. When the suppression magnetic powder piece, put into the embossing mold utensil with above-mentioned fixing base 100 that has copper line 200 of fastening, fill the magnetic powder in to the mould, rethread pressing equipment is with magnetic powder compression moulding, therefore fixing base 100 and coil 210 are all including by the magnetic powder piece parcel, two electrode slices then link to each other with the both ends of copper line 200 respectively, a part of electrode slice is located the magnetic powder piece, another part then stretches out the magnetic powder piece outside, two electrode slices form the pin of inductance, be arranged in inserting relevant circuit, in order to supply power to coil 210, make the inductance work.

According to the utility model, the coil 210 is wound on the fixed column 120, the fixed column 120 plays a role in supporting and positioning the coil 210, and when the magnetic powder block is pressed, the fixed column 120 can prevent the coil 210 from deforming, so that the electrical property of the inductor is ensured, and the inductor has the characteristics of low resistance value and high saturation current.

In some embodiments, the fixing plate 110 has a cross-shaped structure, and the fixing plate 110 includes two first protrusions 111 extending in the transverse direction and two second protrusions 112 extending in the longitudinal direction, the two first protrusions 111 protrude in a direction away from each other, and the two second protrusions 112 also protrude in a direction away from each other, thereby forming the cross-shaped structure. The two ends of the copper wire 200 respectively pass around the two second bumps 112 and cling to the lower surfaces of the second bumps 112. This prevents the coil 210 from rotating relative to the fixing post 120, and the copper wire 200 can be more stably fixed on the fixing base 100.

Further, the lower surfaces of the two second bumps 112 are provided with the accommodating grooves 113, the two ends of the copper wire 200 pass through the two accommodating grooves 113 respectively, the accommodating grooves 113 limit the movement of the copper wire 200 in the accommodating grooves 113, and the copper wire 200 is further stably fixed on the fixing base 100.

Furthermore, the receiving slot 113 extends along the transverse direction and penetrates through the second protrusion 112, two ends of the copper wire 200 extend out from the opening on the same side of the receiving slot 113, and correspondingly, the two electrode plates also extend out from the same side of the magnetic powder block.

In some embodiments, the coil 210 is helically wound such that each turn of the coil is the same shape and size.

Further, the copper wire 200 has a strip structure, and the coil 210 is stacked along the axial direction of the fixing post 120, so that the coil 210 has a more compact structure and is less prone to deformation.

In some embodiments, the two electrode pads are integrally connected to the two ends of the copper wire 200, respectively, without welding the two electrode pads, which simplifies the manufacturing process and enhances the structural strength of the connection.

Specifically, the electrode sheet is formed by flattening the copper wire 200, so that the forming process is simpler and the manufacturing is convenient.

The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and the practice of the utility model is not to be considered limited to those descriptions. It will be apparent to those skilled in the art that a number of simple derivations or substitutions can be made without departing from the inventive concept.

Claims

1. The utility model provides an inductance with interior fixing base which characterized in that: the fixing seat and the magnetic powder block are formed by pressing magnetic powder, the fixing seat comprises a fixing plate and a fixing column arranged on the upper surface of the fixing plate, the copper wire is wound to form a coil on the periphery of the fixing column, and two ends of the copper wire bypass the fixing plate and are tightly attached to the lower surface of the fixing plate; the fixing seat and the coil are wrapped by the magnetic powder blocks, and the two electrode plates are connected with the two ends of the copper wire respectively and extend out of the magnetic powder blocks.

2. The inductor with the internal fixing base as claimed in claim 1, wherein: the fixing plate is of a cross-shaped structure and comprises two first convex blocks extending along the transverse direction and two second convex blocks extending along the longitudinal direction; and two ends of the copper wire respectively bypass the two second convex blocks and are tightly attached to the lower surfaces of the second convex blocks.

3. The inductor with the internal fixing base as claimed in claim 2, wherein: the lower surfaces of the two second lugs are provided with accommodating grooves, and two ends of the copper wire penetrate through the two accommodating grooves respectively.

4. The inductor with the internal fixing base as claimed in claim 3, wherein: the accommodating groove extends along the transverse direction and penetrates through the second bump, and two ends of the copper wire extend out of the opening on the same side of the accommodating groove.

5. An inductor with an internal fixing base according to any one of claims 1 to 4, wherein: the coil is spirally wound.

6. The inductor with the internal fixing base as claimed in claim 5, wherein: the copper wire is of a strip structure, and the coils are axially overlapped along the fixing column.

7. An inductor with an internal fixing base according to any one of claims 1 to 4, wherein: the two electrode plates are respectively connected with the two ends of the copper wire integrally.

8. The inductor with the internal fixing base as claimed in claim 7, wherein: the electrode plate is formed by flattening the copper wire.