CN210039884U - Inductor - Google Patents

Abstract

The utility model discloses an inductor, including dustcoat, magnetic core and coil, the inside cavity that is used for the holding magnetic core that forms of dustcoat, the coil includes that the enameled wire winding cladding of at least round forms in the magnetic core is outside, and the enameled wire diameter is 0.3mm, and the dustcoat includes the shell body and can dismantle the base of clamping on the shell body, is provided with the electrode slice on the base, and the wiring end is drawn forth at the coil both ends and is connected on the electrode slice, and magnetic core one end bonds on the terminal surface in the base through glue. The structure and the distance of the electrode plates are reasonably designed and improved, so that the inductor is more stable in the working process, the high-voltage electric arc is prevented from damaging the inductor, and the inductor is also suitable for the design of the inductor with smaller size; the LCP base has excellent heat resistance, the service life of the inductor is prolonged, and the external shielding outer cover avoids mutual interference in the use process of the element.

Description

Inductor

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the electronic component field, concretely relates to inductor.

[ background of the invention ]

The inductor is an element capable of converting electric energy into magnetic energy for storage, the structure of the inductor is similar to that of a transformer, but only one winding is provided, and the inductor has certain inductance and only blocks the change of current. When the circuit is in a state of no current passing, the circuit tries to block the current passing, and when the circuit is in a state of current passing, the circuit is switched off and tries to keep the current unchanged; the inductor has the characteristic of preventing alternating current from passing through and allowing direct current to pass through smoothly.

In traditional inductor, because some internal circuit structure sizes are less, the setting of external electrode is unreasonable, because the high voltage electric arc that produces of interelectrode distance undersize destroys electronic component in high-voltage circuit engineering, leads to inductor work unstable, and the material chooses for use unreasonablely moreover and leads to the life of components and parts not long, often needs to change.

[ Utility model ] content

In order to solve the existing problem that exists among the background art, the utility model provides an inductor.

The utility model adopts the following technical proposal:

the utility model provides an inductor, includes dustcoat, magnetic core and coil, the inside formation of dustcoat is used for the holding the cavity of magnetic core, the coil include at least round enameled wire winding cladding in the magnetic core outside forms, the enameled wire diameter is 0.3mm, the dustcoat includes the shell body and can dismantle the base of clamping on the shell body, be provided with the electrode slice on the base, the wiring end is drawn forth at the coil both ends connect in on the electrode slice, magnetic core one end bond through glue in on the terminal surface in the base.

Preferably, the outer shell is of a cuboid or cube structure.

Preferably, a concave groove is formed in the periphery of the end face, matched and connected with the outer shell and the base, of the outer shell, and the base is matched and clamped in the groove.

Preferably, the electrode plates are arranged in a plurality and penetrate through the side face of the base, the electrode plates are partially attached to the inner surface of the base and partially and convexly arranged outside the base, and the electrode plates are arranged at equal intervals of 90 degrees.

Preferably, the magnetic core is a ferrite core.

Preferably, the coil comprises two groups of windings with opposite winding directions and equal turns.

Preferably, the base is an insulating base and is made of LCP materials.

The utility model has the advantages as follows:

the utility model reasonably designs and improves the structure and distance of the electrode plate, so that the inductor is more stable in the working process, the high-voltage electric arc is prevented from damaging the inductor, and the design of the inductor with smaller size is also and suitably realized; the LCP base has excellent heat resistance, the service life of the inductor is prolonged, and the external shielding outer cover avoids mutual interference in the use process of the element.

[ description of the drawings ]

FIG. 1 is a schematic diagram of an exploded structure of a housing according to the present invention;

fig. 2 is a schematic structural diagram of the magnetic core in the present invention;

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail 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 limiting of the invention.

In the present embodiment, an inductor is provided, referring to fig. 1-2, including housing 1, magnetic core 2 and coil, housing 1 is a shielding housing, and in the use of inductor, because of producing magnetic field, can produce interference in the working process, to this kind of condition, the inside cavity that is used for holding magnetic core 2 that forms of housing 1, housing 1 wraps magnetic core 2 in the cavity of inside, has effectively avoided the mutual interference of magnetic field, and operating current is more steady.

As shown in fig. 1, the outer cover 1 includes an outer shell 101 and a base 102 detachably clamped on the outer shell 101, in this scheme, the outer shell 101 is in a rectangular or square structure, but the outer shell 101 is designed and applied flexibly relative to the appearance structure of the outer shell 101, and not only is in a square or rectangular structure, but also can be in a circular shell structure; the middle of the base 102 is of a through structure, wherein a concave groove 103 is formed in the periphery of the end face of one end of the outer shell 101, the length of the groove 103 is matched with the side length of the base, the base 102 is of an octagonal structure, and the side length of the base 102 is clamped in the groove 103 for positioning connection.

Furthermore, the magnetic core 2 is i-shaped, as shown in fig. 2, and is a powdered iron core, the powdered iron core increases inductance and improves inductance, two ends of the magnetic core 2 are circular plates which are insulated, the enameled wire is wound on the outside of the magnetic core 2 in multiple layers to form a coil, the diameter of the enameled wire is 0.3mm, the coil comprises two groups of windings which are opposite in winding direction and equal in turn number, the two windings are wound on the magnetic core 2 in the same turn number and opposite in reverse direction, terminals are led out from two ends of the windings, and then the end face of the bottom end of the magnetic core 2 is bonded on the base 102 by glue.

As shown in fig. 1 and 2, four identical electrode plates 104 are arranged on a base 102, the electrode plates 104 are copper tin-plated metal sheets and are pressed and clamped on the edge of the base 102 by force, a plurality of electrode plates are arranged and penetrate through the side face of the base 102, the electrode plates 104 are partially attached to the inner surface of the base 102 and partially protrude out of the base 102, the electrode plates 104 are arranged at equal intervals of 90 degrees, the part, protruding out of the base 102, of the electrode plates 104 is used for being connected with an external circuit board, the wiring ends of a coil are respectively welded to the parts, arranged in the base 102, of the electrode plates 104, the electrode plates 104 are tightly adhered by glue, the wiring ends at two ends of the winding are welded on the electrode plates 104, and finally the base 102 is clamped in the groove 103 and packaged by the glue.

When the inductor works, voltage generates electric arc to generate heat energy, the base 102 is an insulating base and is made of LCP materials, the LCP material is a novel high polymer material, has excellent heat resistance and forming processing functions, has better heat resistance and excellent electrical insulating property, has better arc resistance, has higher dielectric strength than common engineering plastics, can be used at continuous high temperature, has no influence on electrical property and greatly prolongs the service life.

As shown in fig. 1, the electrode plate 104 has a simple structure and a small area, reduces the contact area with the PCB, widens the distance of the electrode plate 104, reduces the generation of high-voltage arcs, protects the inductor more durable, reduces the interference between magnetic fields by the shield cover, makes the working current more stable, and has stronger heat resistance and electrical insulation.

The utility model has the advantages that:

the utility model reasonably designs and improves the structure and distance of the electrode plate, so that the inductor is more stable in the working process, the high-voltage electric arc is prevented from damaging the inductor, and the design of the inductor with smaller size is also and suitably realized; the LCP base has excellent heat resistance, the service life of the inductor is prolonged, and the external shielding outer cover avoids mutual interference in the use process of the element.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims (7)

1. An inductor, characterized by: including dustcoat, magnetic core and coil, the inside formation of dustcoat is used for the holding the cavity of magnetic core, the coil include at least round enameled wire winding cladding in the magnetic core outside forms, the enameled wire diameter is 0.3mm, the dustcoat includes the shell body and can dismantle the base of clamping on the shell body, be provided with the electrode slice on the base, the wiring end is drawn forth at the coil both ends and connect in on the electrode slice, magnetic core one end bond through glue in on the terminal surface in the base.

2. An inductor as claimed in claim 1, wherein: the shell body is of a cuboid or cube structure.

3. An inductor as claimed in claim 2, wherein: the periphery of the end face of the outer shell body matched and connected with the base is provided with a concave groove, and the base is matched and clamped in the concave groove.

4. An inductor as claimed in claim 1, wherein: the electrode plates are respectively provided with two electrodes which are respectively clamped on two opposite ends of the base.

5. An inductor as claimed in claim 1, wherein: the magnetic core is a powdered iron core.

6. An inductor as claimed in claim 1, wherein: the coil comprises two groups of windings with opposite winding directions and equal turns.

7. An inductor as claimed in claim 1, wherein: the base is an insulating base and is made of LCP materials.

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