CN210039840U

CN210039840U - Ultra-thin inductor

Info

Publication number: CN210039840U
Application number: CN201921351074.4U
Authority: CN
Inventors: 吴俊益
Original assignee: Zhuhai Just Pine Electronic Industry Co Ltd
Current assignee: Zhuhai Just Pine Electronic Industry Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-02-07
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses an ultra-thin type inductance, including the inductance casing, magnetic core and enameled coil, the chamber that holds that leads to in the middle formation of inductance casing, enameled coil includes that enameled wire winding and cladding form in the magnetic core is outside, still inlay on the inductance casing and be equipped with the electrode portion, the electrode portion includes the first electrode slice and the second electrode slice of a body coupling, inductance casing side outside is located to first electrode slice arch, another adjacent side outside and laminating in the inductance casing bottom surface on inductance casing is located to the second electrode slice arch, the magnetic core is arranged in and is held the chamber and the wiring end that enameled coil both ends were drawn forth welds respectively on first electrode slice. Winding the enameled wire on the magnetic core and directly loading the enameled wire into the accommodating cavity, leading out a wiring end of the enameled wire from the through groove and welding the wiring end to the first electrode plate, and finally bonding the magnetic core by using glue to finish assembly; the wire winding of enameled wire is simple and convenient, and whole inductance assembly is simple quick, effectively accelerates production efficiency when keeping outstanding inductance effect, shortens production cycle.

Description

Ultra-thin inductor

[ technical field ] A method for producing a semiconductor device

The utility model belongs to the electronic component field, concretely relates to ultra-thin type inductance.

[ background of the invention ]

The inductor is an element which can convert electric energy into magnetic energy and store the magnetic energy, and is also called a choke, a reactor, a dynamic reactor and the like, because after the coil passes through current, magnetic field induction is formed in the coil, and the induction magnetic field can generate induction current to resist the current passing through the coil; it will try to maintain the current constant when the circuit is open.

The magnetic core is added after the coil winding is carried out on the framework to enhance the inductance strength in most of the existing inductors, the coil winding is inconvenient, the assembly is inconvenient, the production efficiency is slow, and the production period is prolonged.

[ Utility model ] content

In order to solve the existing problem that exists among the background art, the utility model provides an ultra-thin type inductance.

The utility model adopts the following technical proposal:

the utility model provides an ultra-thin type inductance, includes inductance housing, magnetic core and enameled coil, the chamber that holds that leads to in the middle formation of inductance housing, enameled coil include the enameled wire winding and cladding in the magnetic core outside forms, still inlay on the inductance housing and be equipped with the electrode portion, the electrode portion includes first electrode piece and the second electrode piece of a body coupling, first electrode piece protruding is located inductance housing side is outside, the second electrode piece protruding is located another adjacent side on the inductance housing outside and laminate in inductance housing bottom surface, the magnetic core is arranged in hold the chamber and the wiring end that the enameled coil both ends were drawn forth weld respectively on first electrode piece.

Furthermore, accommodating grooves are formed in two ends of the side face of the inductor shell, each accommodating groove comprises a first accommodating groove and a second accommodating groove which are perpendicular to each other, the electrode plates are arranged in the accommodating grooves, so that the first electrode plates are located in the first accommodating grooves and protrude out of the side face of the inductor shell, the second electrode plates are clamped in the second accommodating grooves, and the tail ends of the second electrode plates are bent and attached to the bottom plane of the inductor shell.

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

Furthermore, through grooves which are concavely arranged are formed in two sides of the top surface of the inductance shell, and the wiring terminals are led out through the through grooves and welded to the first electrode plate.

Furthermore, the magnetic core is an I-shaped iron powder core, and the top and the bottom of the magnetic core are both circular.

The utility model has the advantages as follows:

the utility model winds the enameled wire on the magnetic core and directly loads the enameled wire into the containing cavity, leads the wiring end of the enameled wire out of the through groove and welds the wiring end to the first electrode plate, and finally uses glue to bond the magnetic core to complete assembly; the wire winding of enameled wire is simple and convenient, and whole inductance assembly is simple quick, effectively accelerates production efficiency when keeping outstanding inductance effect, shortens production cycle.

[ description of the drawings ]

Fig. 1 is a schematic structural diagram of an inductor housing according to the present invention;

fig. 2 is a schematic structural view of an inductor housing embedded with an electrode part according to the present invention;

fig. 3 is a schematic structural diagram of the magnetic core wound with the enameled coil 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.

An ultra-thin inductor, refer to fig. 1-3, including inductor housing 1, magnetic core 2 and enamelled coil 3, in the utility model, the projection of the upper and lower top surfaces of inductor housing 1 is square, the whole height is less than 1.2mm, the ultra-thin design makes the whole volume smaller, suitable for applying to smaller electronic equipment such as notebook, thereby reducing the space occupied by circuit arrangement, wherein, the middle of inductor housing 1 forms a hollow accommodating cavity 101, accommodating cavity 101 is round hole shape, can be used for accurate clamping of magnetic core 2, magnetic core 2 is added for enhancing the inductance intensity of inductor, and magnetic core 2 is an i-shaped iron powder core, the top and bottom are round, the top area of magnetic core 2 is larger than the bottom, after magnetic core 2 is assembled into accommodating cavity 101, the surface on inductor housing 1 matching with the top of magnetic core 2 is the top surface, and the surface matching with the bottom of magnetic core 2 is the bottom surface, the middle part of the magnetic core 2 is a cylinder, an enameled wire is wound and coated outside the magnetic core to form an enameled coil 3, and wiring terminals 301 are led out from two ends of the enameled wire.

Aiming at the above-mentioned preferred embodiment, two recessed through grooves 102 are formed on the top surface of the inductance housing 1, as shown in fig. 2, the depth of the through groove 102 is less than half of the total height of the inductance housing 1, the two through grooves 102 are symmetrically arranged at two ends of the accommodating cavity 101, and the terminals 301 at two ends of the enameled wire extend out of the through groove 102, so that the assembly is more airtight and stable and reasonable.

In addition, two ends of the side surface of the inductance housing 1 are provided with accommodating grooves 103, as shown in fig. 1 and fig. 2, the accommodating grooves 103 include a first accommodating groove 104 and a second accommodating groove 105 which are perpendicular to each other, an electrode portion is further embedded on the inductance housing 1, the electrode portion includes a first electrode sheet 4 and a second electrode sheet 5 which are integrally connected, wherein the first electrode sheet 4 is a cylindrical structure, the second electrode sheet 5 is a rectangular metal sheet, the two are vertically welded into a whole, the electrode portion is installed in the accommodating groove 103, so that the first electrode sheet 4 is located in the first accommodating groove 104 and protrudes out of the side surface of the inductance housing 1, the second electrode sheet 5 is clamped in the second accommodating groove 105, and the tail end of the second electrode sheet is bent and attached to the bottom plane of the inductance housing 1, in order to make the installation of the electrode portion more stable, the electrode sheets and the accommodating grooves, and finally, the terminal is welded on the first electrode plate 4, and the second electrode plate 5 is connected with an external circuit board so as to be connected into a circuit to work.

Finally, in order to improve the strength of the inductor, the enameled coil 3 may use a double winding mode, as shown in fig. 3, that is, windings with opposite winding directions and equal turns are wound on the magnetic core 2 and are respectively connected to the first electrode plate 4, so that the inductor works more efficiently.

The utility model has the advantages that:

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

1. An ultra-thin inductor, characterized in that: including inductance housing, magnetic core and enameled coil, the chamber that holds that leads to in the middle formation of inductance housing, enameled coil include the enameled wire winding and cladding in the outside formation of magnetic core, still inlay on the inductance housing and be equipped with the electrode portion, the electrode portion includes first electrode piece and the second electrode piece of a body coupling, first electrode piece protruding is located inductance housing side is outside, the protruding locating of second electrode piece another adjacent side on the inductance housing outside and laminate in inductance housing bottom surface, the magnetic core is arranged in hold in the chamber and the wiring end that enameled coil both ends were drawn forth weld respectively in on the first electrode piece.

2. The ultra-thin type inductor as claimed in claim 1, wherein: accommodating grooves are formed in two ends of the side face of the inductor shell, the accommodating grooves comprise a first accommodating groove and a second accommodating groove which are perpendicular to each other, the electrode plates are arranged in the accommodating grooves, so that the first electrode plates are located in the first accommodating groove and protrude out of the side face of the inductor shell, the second electrode plates are clamped in the second accommodating groove, and the tail ends of the second electrode plates are bent and attached to the bottom plane of the inductor shell.

3. The ultra-thin type inductor as claimed in claim 1, wherein: the enameled coil comprises two groups of windings with opposite winding directions and equal turns.

4. The ultra-thin type inductor as claimed in claim 1, wherein: and through grooves which are concavely arranged are formed in two sides of the top surface of the inductance shell, and the wiring end is led out from the through grooves and welded on the first electrode plate.

5. The ultra-thin type inductor as claimed in claim 1, wherein: the magnetic core is an I-shaped iron powder core, and the top and the bottom of the magnetic core are both circular.