CN209929116U

CN209929116U - Color ring inductor

Info

Publication number: CN209929116U
Application number: CN201921104409.2U
Authority: CN
Inventors: 陈楚彬
Original assignee: Shenzhen Union Magnetic Technology Co Ltd
Current assignee: Shenzhen Union Magnetic Technology Co Ltd
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-01-10
Anticipated expiration: 2029-07-15

Abstract

The utility model relates to an inductance application technical field discloses a color ring inductance, include: the device comprises a magnetic core, an enameled wire wound on the surface of the magnetic core, a first metal pin fixedly connected to one end of the magnetic core and a second metal pin fixedly connected to the other end of the magnetic core, wherein the first metal pin and the second metal pin are respectively welded with the enameled wire; the two ends of the magnetic core are correspondingly provided with two groups of horn-hole grooves, the first metal pins and the second metal pins are respectively inserted into the two groups of horn-hole grooves to be connected with the magnetic core, single-component glue or AB glue used for fixing the first metal pins and the second metal pins is arranged in the horn-hole grooves, and the first metal pins and the second metal pins are respectively covered with the single-component glue on the end faces of the connecting welding spots of the enameled wires to form a protective layer. The problem of the enameled wire that is located metal pin splice easily appear broken string, damage or deformation because of the deformation stress influence of metal pin, metal pin and enameled wire solder joint rosin joint is solved.

Description

Color ring inductor

Technical Field

The utility model relates to an inductance application technical field especially relates to a color ring inductance.

Background

A color ring 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, and belongs to a commonly used inductor element. The color code inductor can be communicated with direct current and direct current resistance to conduct alternating current, alternating current signals are isolated and filtered, or the color code inductor, a capacitor, a resistor and the like form a resonant circuit, any current in the circuit of the color code inductor can generate a magnetic field, and magnetic flux of the magnetic field acts on the circuit.

In the prior art, the color ring inductor has the undesirable problems that the welding position of a metal pin and an enameled wire is influenced by the deformation stress of the metal pin in the production and processing process, so that the enameled wire is broken and opened, and a welding spot is loosened or falls off.

Therefore, how to improve the working performance of the color wheel inductor becomes a technical problem to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in how to improve the working property of color wheel inductance.

Therefore, according to the first aspect, the embodiment of the utility model discloses a color wheel inductance includes: the enameled wire comprises a magnetic core, an enameled wire wound on the surface of the magnetic core, a first metal pin fixedly connected to one end of the magnetic core and a second metal pin fixedly connected to the other end of the magnetic core, wherein the first metal pin and the second metal pin are respectively welded with the enameled wire, and the first metal pin and the second metal pin are respectively bent vertically downwards or obliquely downwards; wherein, the both ends correspondence of magnetic core is provided with two sets of horn hole recesses, first metal pin with second metal pin inserts respectively two sets of horn hole recesses with the magnetic core is connected, be provided with in the horn hole recess and be used for fixing first metal pin with the single-component glue coating of second metal pin, fill with single-component glue or AB glue in the single-component glue coating, first metal pin with second metal pin respectively with the connection solder joint terminal surface of enameled wire covers with single-component glue and forms the protective layer.

Optionally, the magnetic core and the outer surface of the enameled wire are provided with three layers of UV protective coatings.

Optionally, the magnetic core and the outer surface of the enameled wire are provided with three epoxy resin coatings.

Optionally, the surface of the epoxy resin coating is provided with a plurality of color rings for displaying inductance capacity of the color rings.

Optionally, the first metal pin and the second metal pin are respectively bent vertically downward or obliquely downward, and are bent again in the same or different directions and then are on the same horizontal plane.

Optionally, the first metal pin and the second metal pin are respectively and horizontally arranged along the axial direction.

Optionally, the first metal pin and the second metal pin are arranged in a cylindrical shape or a flat shape.

Optionally, the first metal pin and the second metal pin are made of tin-plated copper wire or tin-plated copper clad steel.

The utility model discloses following beneficial effect has: be different from prior art's condition, the utility model discloses a metal pin at magnetic core both ends is provided with single poly glue protective layer with the enameled wire junction surface, thereby create the advantage for the welding of metal pin and enameled wire better, under the effect of single poly glue protective layer, protection metal enameled wire and solder joint that also can be better, prior art has been solved, the enameled wire that is located metal pin welding department is because of the deformation stress influence that receives metal pin, the broken string easily appears, damage or deformation, metal pin and the problem of enameled wire solder joint rosin joint.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a color wheel inductor disclosed in this embodiment;

fig. 2 is a schematic diagram of an overall structure of a magnetic core of a color wheel inductor disclosed in this embodiment;

fig. 3 is a schematic diagram of a first structure of a color wheel inductor disclosed in this embodiment;

fig. 4 is a schematic diagram of a second structure of a color wheel inductor disclosed in this embodiment;

fig. 5 is a schematic diagram of a bonding operation of a color wheel inductor according to the present embodiment;

FIG. 6 is a schematic diagram of another exemplary embodiment of a bonding process for a color wheel inductor;

fig. 7 is a front view of another color wheel inductor disclosed in the present embodiment;

fig. 8 is a schematic diagram of a first structure of a first metal pin and a second metal pin of a color wheel inductor disclosed in this embodiment;

fig. 9 is a schematic diagram of a second structure of the first metal pin and the second metal pin of the color wheel inductor disclosed in this embodiment.

Reference numerals: 1. a magnetic core; 2. enamelled wires; 3. a first metal pin; 4. a second metal pin; 5. a horn bore recess; 6. a single-component adhesive coating; 7. a protective layer; 8. a UV protective coating; 9. an epoxy resin coating; 10. a color circle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

A color wheel inductor, as shown in fig. 1 and 2, comprising: the metal core comprises a magnetic core 1, an enameled wire 2 wound on the surface of the magnetic core 1, a first metal pin 3 fixedly connected to one end of the magnetic core 1 and a second metal pin 4 fixedly connected to the other end of the magnetic core 1, wherein the first metal pin 3 and the second metal pin 4 are respectively welded with the enameled wire 2, and the first metal pin 3 and the second metal pin 4 are respectively bent vertically downwards or obliquely downwards; wherein, the both ends correspondence of magnetic core 1 is provided with two sets of horn hole recesses 5, first metal pin 3 inserts two sets of horn hole recesses 5 respectively with second metal pin 4 and is connected with magnetic core 1, be provided with the single component adhesive coating 6 that is used for fixed first metal pin 3 and second metal pin 4 in the horn hole recess 5, fill with single component glue or AB glue in the single component adhesive coating 6, first metal pin 3 and second metal pin 4 respectively with the connected solder joint terminal surface of enameled wire 2 cover with single component glue and form protective layer 7. In the concrete implementation process, the upper and lower both ends terminal surface level of magnetic core 1, and two terminal surfaces of 1 upper end of magnetic core are located same horizontal plane, and two terminal surfaces of 1 lower extreme of magnetic core also are located same horizontal plane, closely laminate when making things convenient for color ring inductance and external circuit board welding, have strengthened the practicality of color ring inductance.

It should be noted that, the utility model discloses a metal pin and 2 junction surfaces of enameled wire at 1 both ends of magnetic core are provided with single poly glue protective layer 7, thereby create the advantage for metal pin and 2 welding of enameled wire better, under the effect of single poly glue protective layer 7, protection metal enameled wire 2 and solder joint that also can be better, prior art has been solved, the enameled wire 2 that is located metal pin welding department is because of the deformation stress influence that receives metal pin, the broken string easily appears, damage or deformation, the problem of metal pin and 2 solder joint rosin joints of enameled wire, make color code inductance simple structure, low in production cost, do not account for the space and surface mounting performance is good.

As shown in fig. 1, the outer surfaces of the magnetic core 1 and the enamel wire 2 are provided with three UV protective coating layers 8 UV.

As shown in fig. 1, the outer surfaces of the magnetic core 1 and the enamel wire 2 are provided with three epoxy resin coatings 9. In the specific implementation process, the epoxy resin coating 9 is arranged on the magnetic core 1, so that the inductance value of the color wheel inductor can be increased, and the shielding function and the anti-interference function of the color wheel inductor are improved.

As shown in fig. 1, the surface of the epoxy resin coating 9 is provided with a plurality of color circles 10 for displaying inductance capacity of the color circles.

As shown in fig. 1, 8 and 9, the first metal pin 3 and the second metal pin 4 are respectively bent vertically or obliquely downward, and bent again in the same or different directions and then on the same horizontal plane.

As shown in fig. 7, the first metal pin 3 and the second metal pin 4 are respectively horizontally arranged in the axial direction.

As shown in fig. 1, the first metal lead 3 and the second metal lead 4 are disposed in a cylindrical shape or a flat shape.

As shown in fig. 1, the first metal pin 3 and the second metal pin 4 are made of a tin-plated copper wire or tin-plated copper-clad steel.

Fig. 3 is a schematic diagram of a first structure of a color wheel inductor disclosed in this embodiment; fig. 4 is a schematic diagram of a second structure of a color wheel inductor disclosed in this embodiment; when the metal pins are soldered to an external device (such as a PCB), the two metal pins can change their inherent shapes to suit the specific requirements of the external device, or can be converted into a patch form for soldering.

In the specific implementation process, as shown in fig. 5 and 6, the welding table is formed into a flat shape, so that the adhesion welding reliability of the color ring inductor can be improved, and the color ring inductor can be conveniently welded.

Fig. 7 is a front view of another color wheel inductor disclosed in this embodiment, in a specific implementation process, the first metal pins 3 and the second metal pins 4 are respectively and horizontally arranged along an axial direction, so as to be adapted to a PCB board having an inductor groove, and the color wheel inductor is more reasonable in spatial distribution on the circuit board by welding the first metal pins 3 and the second metal pins 4 which are horizontally arranged with the PCB board.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A color wheel inductor, comprising: the enameled wire comprises a magnetic core, an enameled wire wound on the surface of the magnetic core, a first metal pin fixedly connected to one end of the magnetic core and a second metal pin fixedly connected to the other end of the magnetic core, wherein the first metal pin and the second metal pin are respectively welded with the enameled wire, and the first metal pin and the second metal pin are respectively bent vertically downwards or obliquely downwards;

wherein, the both ends correspondence of magnetic core is provided with two sets of horn hole recesses, first metal pin with second metal pin inserts respectively two sets of horn hole recesses with the magnetic core is connected, be provided with in the horn hole recess and be used for fixing first metal pin with the single-component glue coating of second metal pin, fill with single-component glue or AB glue in the single-component glue coating, first metal pin with second metal pin respectively with the connection solder joint terminal surface of enameled wire covers with single-component glue and forms the protective layer.

2. The color ring inductor according to claim 1, wherein the magnetic core and the outer surface of the enameled wire are provided with three UV protective coating layers.

3. The color wheel inductor according to claim 1, wherein the magnetic core and the outer surface of the enameled wire are provided with three epoxy resin coatings.

4. The color wheel inductor as claimed in claim 3, wherein the surface of the epoxy resin coating is provided with a plurality of color wheels for displaying the inductance capacity of the color wheel inductor.

5. The color wheel inductor according to claim 1, wherein the first metal pin and the second metal pin are respectively bent vertically downward or obliquely downward, and are bent again in the same or different directions and then are on the same horizontal plane.

6. The color wheel inductor as claimed in claim 1, wherein the first metal pins and the second metal pins are respectively disposed horizontally along an axial direction.

7. The color wheel inductor according to any of claims 1-6, wherein the first metal pin and the second metal pin are arranged in a cylindrical shape or a flat shape.

8. The color wheel inductor according to any of claims 1-6, wherein the first metal pin and the second metal pin are made of tinned copper wire or tinned copper clad steel.