CN210429463U

CN210429463U - Winding sheet type common-film inductor

Info

Publication number: CN210429463U
Application number: CN201921503950.0U
Authority: CN
Inventors: 练坚良; 孟超雄; 黄宝仪
Original assignee: Shenzhen Jinglong Electronic Technology Co Ltd
Current assignee: Guangdong precision Dragon Electronic Technology Co.,Ltd.
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-04-28
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a winding piece formula is membrane inductance altogether, including shell and inductance body, the inductance body is located inside the shell, the inductance body includes magnetic core base, winding seat and coil, the winding seat is located magnetic core base top, and winding seat and magnetic core base fixed connection, winding seat outer wall surface is seted up and is had the forced fit groove, the forced fit groove includes forced fit groove and forced fit groove down, go up the forced fit groove and be located the forced fit groove top down, the coil is located the forced fit inslot chamber, and the coil passes through the forced fit groove and links to each other with the winding seat, the shell inner wall all is provided with heat conduction metal splint, the utility model relates to a membrane inductance technology field altogether. This film inductance is altogether to wire winding piece formula can prevent effectively that the coil from twining and taking place the electrical apparatus short circuit for the coil can evenly distributed on wire winding seat surface, and be difficult to drop, and fixed effectual can effectively promote the heat dissipation and the shock resistance of film inductance is altogether to the wire winding piece formula simultaneously.

Description

Winding sheet type common-film inductor

Technical Field

The utility model relates to a membrane inductance technical field altogether specifically is a wire winding piece formula membrane inductance altogether.

Background

Common mode inductors, also called common mode chokes, are commonly used in switching power supplies of computers to filter common mode electromagnetic interference signals. In the board design, the common mode inductor also plays a role in EMI filtering, and is used for inhibiting electromagnetic waves generated by the high-speed signal line from radiating and emitting outwards.

The existing winding piece type common-film inductor has weaker heat dissipation and shock resistance in the using process, and in addition, a coil is directly wound on a winding seat in the using process of the winding piece type common-film inductor, so that the coil is poor in fixing effect and easy to touch together, and the problem of short circuit of an electric appliance is caused.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a film inductance is altogether to wire winding piece formula has solved the current wire winding piece formula and has altogether the fixed effect of film inductance coil not good, the heat dissipation and the weak problem of shock resistance.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a winding piece formula is membrane inductance altogether, includes shell and inductance body, the inductance body is located inside the shell, the inductance body includes magnetic core base, winding seat and coil, the winding seat is located magnetic core base top, and winding seat and magnetic core base fixed connection, winding seat outer wall surface sets up the indent, the indent includes indent and indent down, the indent is located indent top down, the coil is located the inslot chamber of impressing, and the coil links to each other with the winding seat through the indent, the shell inner wall all is provided with heat conduction metal splint, and links to each other through the spring between heat conduction metal splint and the shell, heat conduction metal splint inner wall surface coating has quick heat conduction silica gel, heat dissipation groove has been seted up on heat conduction metal splint outer wall surface.

Preferably, the periphery of the outer wall of the shell is provided with a plurality of heat dissipation holes.

Preferably, the upper press-in groove is an upper press-in groove with an inverted trapezoidal structure, and the lower press-in groove is an elliptical structure.

Preferably, the edge of the upper part of the shell is provided with a fixing hole.

Preferably, the housing is made of fireproof insulating materials.

(III) advantageous effects

The utility model provides a winding piece formula is membrane inductance altogether. The method has the following beneficial effects:

(1) this film inductance is altogether to wire winding piece formula is through seting up the indent on wire winding seat outer wall surface for the last indent of indent is for falling the trapezium structure, and the indent is oval structure down, can prevent effectively that the coil from twining and take place the electrical apparatus short circuit, makes the coil can evenly distributed on wire winding seat surface, and be difficult to drop, and fixed effectual, can avoid taking place between the coil to disturb the normal work that the film inductance is altogether to the influence wire winding piece formula, has promoted the wholeness ability that the film inductance is altogether to the wire winding piece formula.

(2) This winding piece formula is membrane inductance altogether, through all being provided with heat conduction metal splint in the shell inner wall, make and link to each other through the spring between heat conduction metal splint and the shell, the colleague has quick heat conduction silica gel in heat conduction metal splint inner wall surface coating, and set up the heat dissipation recess on heat conduction metal splint outer wall surface, the louvre has all been seted up all around to the shell outer wall, can strengthen its shock resistance when promoting winding piece formula membrane inductance heat dispersion altogether, make the overall strength of winding piece formula membrane inductance altogether strengthen, promote performance.

Drawings

Fig. 1 is a schematic overall structure diagram of the present invention;

fig. 2 is a schematic structural view of the inductor body of the present invention;

fig. 3 is a schematic structural view of the winding base of the present invention;

fig. 4 is a sectional view of the wire winding seat of the present invention;

fig. 5 is a schematic structural view of the housing of the present invention;

fig. 6 is a schematic structural view of the heat-conducting metal splint of the present invention.

In the figure: 1. a housing; 2. an inductor body; 3. a magnetic core base; 4. a winding seat; 5. a coil; 6. pressing the groove; 7. an upper press groove; 8. pressing the lower part of the groove; 9. a heat conductive metal splint; 10. a spring; 11. a heat dissipation groove; 12. quick heat conduction silica gel; 13. heat dissipation holes; 14. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: a winding sheet type common film inductor comprises a shell 1 and an inductor body 2, wherein the inductor body 2 is positioned inside the shell 1, the inductor body 2 comprises a magnetic core base 3, a winding base 4 and a coil 5, the winding base 4 is positioned above the magnetic core base 3, the winding base 4 is fixedly connected with the magnetic core base 3, the outer wall surface of the winding base 4 is provided with a press-in groove 6, the press-in groove 6 comprises an upper press-in groove 7 and a lower press-in groove 8, the upper press-in groove 7 is positioned above the lower press-in groove 8, the coil 5 is positioned in the inner cavity of the press-in groove 6, the coil 5 is connected with the winding base 4 through the press-in groove 6, the upper press-in groove 7 is specifically an inverted trapezoidal upper press-in groove, the lower press-in groove 8 is specifically an elliptical lower press-in groove, the coil 5 can be effectively prevented from being wound to cause short circuit of an electric appliance, the coil, can avoid the interference between the coils 5 from influencing the normal work of the winding piece type common membrane inductance, and improves the overall performance of the winding piece type common membrane inductance, the inner walls of the shells 1 are all provided with heat conducting metal clamping plates 9, the heat conducting metal clamping plates 9 are connected with the shells 1 through springs 10, the inner wall surfaces of the heat conducting metal clamping plates 9 are coated with rapid heat conducting silica gel 12, the outer wall surfaces of the heat conducting metal clamping plates 9 are provided with heat radiating grooves 11, the peripheries of the outer walls of the shells 1 are all provided with heat radiating holes 13, and the heat radiating holes 13 are provided with a plurality of heat radiating holes, so that the impact resistance of the winding piece type common membrane inductance can be enhanced while the heat radiating performance of the winding piece type common membrane inductance is improved, the overall strength of the winding piece type common membrane inductance is enhanced, the service performance is improved, the upper edge of the shells 1 is provided, the insulation and fire-proof performance of the wound sheet type common film inductor can be improved.

During the use, impress coil 5 inside the last groove 7 of impressing of indent groove 6, impress by last groove 7 again and push down in the groove 8, can fix the coil 5 of impressing through last groove 7 of impressing of falling trapezium structure and the lower indent groove 8 of oval structure, and fixed effectual is difficult for droing, place inside the shell with inductance body 2, through spring 10 and heat conduction metal splint 9 to inductance body 2 looks butt, make inductance body 2 effectively fix inside shell 1, fixed orifices 14 through shell 1 top border can make things convenient for being connected between shell 1 and the insulating lid, and it is convenient to dismantle.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a winding piece formula is membrane inductance altogether, includes shell (1) and inductance body (2), inductance body (2) are located inside shell (1), its characterized in that: the inductor body (2) comprises a magnetic core base (3), a winding seat (4) and a coil (5), the winding seat (4) is located above the magnetic core base (3), the winding seat (4) is fixedly connected with the magnetic core base (3), a press-in groove (6) is formed in the surface of the outer wall of the winding seat (4), the press-in groove (6) comprises an upper press-in groove (7) and a lower press-in groove (8), the upper press-in groove (7) is located above the lower press-in groove (8), the coil (5) is located in the inner cavity of the press-in groove (6), the coil (5) is connected with the winding seat (4) through the press-in groove (6), heat-conducting metal clamping plates (9) are arranged on the inner wall of the shell (1), the heat-conducting metal clamping plates (9) are connected with the shell (1) through springs (10), and heat-conducting silica gel (12) is coated on the surface of, and a heat dissipation groove (11) is formed in the surface of the outer wall of the heat-conducting metal clamping plate (9).

2. The wound sheet type common film inductor according to claim 1, wherein: the heat dissipation holes (13) are formed in the periphery of the outer wall of the shell (1), and the heat dissipation holes (13) are multiple.

3. The wound sheet type common film inductor according to claim 1, wherein: the upper press-in groove (7) is specifically an upper press-in groove with an inverted trapezoidal structure, and the lower press-in groove (8) is specifically a lower press-in groove with an oval structure.

4. The wound sheet type common film inductor according to claim 1, wherein: the upper edge of the shell (1) is provided with a fixing hole (14).

5. The wound sheet type common film inductor according to claim 1, wherein: the shell (1) is specifically a shell made of fireproof insulating materials.