CN209544127U

CN209544127U - A kind of filter inductor

Info

Publication number: CN209544127U
Application number: CN201920627420.0U
Authority: CN
Inventors: 范忠华; 莫金孟
Original assignee: Zhongxian Nantai Electronics Co Ltd
Current assignee: Zhongxian Nantai Electronics Co Ltd
Priority date: 2019-05-05
Filing date: 2019-05-05
Publication date: 2019-10-25
Anticipated expiration: 2029-05-05

Abstract

The utility model belongs to inductors technique field, and disclose a kind of filter inductor, including magnetic core, the bosom of the magnetic core offers through-hole, and the two sides of magnetic core are arranged with coil, the bottom of the magnetic core is welded with skeleton, the bottom of the skeleton is fixed with socle, and the bottom of skeleton is welded with pin close to the side of socle, the top of the coil and the inside of through-hole are bonded with adhesive layer, protecting crust is installed at the top of the skeleton, and four, the top of skeleton corner offers card slot, described four corners in the bottom for having protecting crust are respectively connected with the fixture block to match with card slot, the side of protecting crust, which is run through, copper post, the utility model is mutually clamped fastening by fixture block and card slot, it is connected to protecting crust on skeleton, magnetic field can be strapped in inside by protecting crust, prevent magnetic field to external diffusion, it avoids simultaneously The interference of external magnetic field bring, improves the working efficiency of filter.

Description

A kind of filter inductor

Technical field

The utility model belongs to inductors technique field, and in particular to a kind of filter inductor.

Background technique

Inductor is the element that electric energy can be converted into magnetic energy and stored, and inductor has certain inductance, it The variation of electric current is only hindered, if inductor, in the state that no electric current passes through, it will attempt to hinder electric current when circuit is connected It is flowed through, if inductor, in the state of having electric current to pass through, it will attempt to maintain electric current constant when circuit disconnects, and inductor is again Claim choke, reactor, dynamic reactor.

But filter inductor currently on the market may leak self-field in practical work process, it is extraneous Magnetic field can also interfere band sensor, to influence filter effect, coil is powered for a long time when in addition filter inductor works, Receiving electric current, which crosses big city, causes magnetic core fever hot, and can not guide heat in time, is likely to result in filter inductor and burns.

Utility model content

The purpose of this utility model is to provide a kind of filter inductors, to solve possibility mentioned above in the background art Self-field can be leaked, extraneous magnetic field can also interfere band sensor, and the problem of can not guide heat in time.

To achieve the above object, the utility model provides the following technical solutions: a kind of filter inductor, including magnetic core, institute The bosom for stating magnetic core offers through-hole, and the two sides of magnetic core are arranged with coil, and the bottom of the magnetic core is welded with skeleton, The bottom of the skeleton is fixed with socle, and the bottom of skeleton is welded with pin, the top of the coil close to the side of socle It is bonded with adhesive layer with the inside of through-hole, protecting crust, and four, the top of skeleton corner are installed at the top of the skeleton Card slot is offered, described four corners in the bottom for having protecting crust are respectively connected with the fixture block to match with card slot.

Preferably, through there is copper post, the copper post offers slide opening, and copper close to the side of protecting crust for the side of protecting crust Column extends to the installation of one end inside protecting crust restraining position ring block, and one end that the copper post extends to outside protecting crust is connected with heat dissipation Piece.

Preferably, the inner wall of the card slot is mounted on backing plate, and the outer wall of the backing plate offers non-slip groove.

Preferably, the vertical section diameter of the stop collar is greater than the vertical section diameter of slide opening, and the vertical section of the slide opening is straight Diameter and the vertical section diameter of copper post match.

Preferably, the bottom of the foot pad is equipped with felt pad, the S-type structure of coil.

Compared with prior art, the utility model has the beneficial effects that

(1) the utility model is mutually clamped fastening by fixture block and card slot, is connected to protecting crust on skeleton, protecting crust can It magnetic field is strapped in inside, prevents magnetic field to external diffusion, while avoiding the interference of external magnetic field bring, improve filter Working efficiency.

(2) the utility model moves copper post in slide opening, then the stop collar and magnetic of copper post one end by pushing copper post The side wall of core offsets, and when filter condenser work, the heat generated on magnetic core is conducted by copper post to cooling fin, and cooling fin will High temperature is effectively radiated, and then guides heat in time, is realized defencive function, is improved security performance.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Structural schematic diagram when Fig. 2 is the utility model protecting crust and skeleton disassembly；

Fig. 3 is the schematic diagram of internal structure of the utility model；

Fig. 4 is the enlarged drawing in the portion A in Fig. 2；

In figure: 1- magnetic core；2- skeleton；3- socle；4- through-hole；5- coil；6- adhesive layer；7- felt pad；8- protecting crust；9- Fixture block；10- card slot；11- backing plate；12- pin；13- copper post；14- cooling fin；15- stop collar；16- slide opening.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

It please refers to shown in Fig. 1-Fig. 4, the utility model provides the following technical solutions: including magnetic core 1, in the inside of magnetic core 1 Between offer through-hole 4, and the two sides of magnetic core 1 are arranged with coil 5, and the bottom of magnetic core 1 is welded with skeleton 2, and the bottom of skeleton 2 is solid Surely there is socle 3, and the bottom of skeleton 2 is welded with pin 12 close to the side of socle 3, the top of coil 5 and the inside of through-hole 4 are equal It is bonded with adhesive layer 6, the top of skeleton 2 is equipped with protecting crust 8, and four, the top of skeleton 2 corner offers card slot 10, there is the corner of bottom four of protecting crust 8 to be respectively connected with the fixture block 9 to match with card slot 10, fixture block 9 and card slot 10 are mutual Engaging fastening, consequently facilitating the connection of protecting crust 8 and skeleton 2, magnetic field can be strapped in inside by protecting crust 8, prevent magnetic field to External diffusion, while the interference of external magnetic field bring is avoided, improve the working efficiency of filter.

Further, through there is copper post 13, copper post 13 offers slide opening close to the side of protecting crust 8 for the side of protecting crust 8 16, and copper post 13 extends to the installation restraining position ring block 15 of one end inside protecting crust 8 and makes copper post 13 in cunning by pushing copper post 13 It is moved left and right in hole 16, then the stop collar 15 and the side wall of magnetic core 1 of 13 one end of copper post offset, and copper post 13 extends to protecting crust 8 External one end is connected with cooling fin 14, and when filter condenser work, the heat generated on magnetic core 1 is conducted by copper post 13 To cooling fin 14, cooling fin 14 is effectively radiated high temperature, and then guides heat in time, is realized defencive function, is improved Security performance.

Further, the inner wall of card slot 10 is mounted on backing plate 11, and backing plate 11 can make fixture block 9 and card slot 10 preferably tight Gu stablizing, have the function of anti-skidding, the outer wall of backing plate 11 offers non-slip groove.

Specifically, the vertical section diameter of stop collar 15 is greater than the vertical section diameter of slide opening 16, and stop collar 15 can play limit The effect of position, prevents copper post 13 from falling off, the vertical section diameter of slide opening 16 matches with the diameter vertical section of copper post 13.

Specifically, the bottom of foot pad 3 is equipped with felt pad 7, and felt pad 7 plays the role of insulation protection, and coil 5 is S-type Structure.

The working principle and process for using of the utility model: when in use, the bosom of magnetic core 1 opens up the utility model There is through-hole 4, to form the degree of lip-rounding, raw material are changed to flat, and then the inductance made is made to improve filter effect, and bear Electric current increases, and protecting crust 8 is mounted on skeleton 2 first, is mutually clamped fastening by fixture block 9 and card slot 10, and in card slot 10 Backing plate 11 can make fixture block 9 and card slot 10 preferably fastening is stablized, have the function of it is anti-skidding, consequently facilitating protecting crust 8 and bone The connection of frame 2, magnetic field can be strapped in inside, prevent magnetic field to external diffusion by protecting crust 8, while being avoided external magnetic field and being brought Interference, improve the working efficiency of filter, by push copper post 13, move left and right copper post 13 in slide opening 16, then The stop collar 15 and the side wall of magnetic core 1 of 13 one end of copper post offset, and stop collar 15 can play the role of limit, prevent copper post 13 It falls off, when filter condenser work, for the heat generated on magnetic core 1 by the conduction of copper post 13 to cooling fin 14, cooling fin 14 will High temperature is effectively radiated, and then guides heat in time, is realized defencive function, is improved security performance.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of filter inductor, it is characterised in that: including magnetic core (1), the bosom of the magnetic core (1) offers through-hole (4), and the two sides of magnetic core (1) are arranged with coil (5), and the bottom of the magnetic core (1) is welded with skeleton (2), the skeleton (2) Bottom be fixed with socle (3), and the bottom of skeleton (2) is welded with pin (12), the coil close to the side of socle (3) (5) inside at top and through-hole (4) is bonded with adhesive layer (6), is equipped with protecting crust (8) at the top of the skeleton (2), and Four, the top corner of skeleton (2) offers card slot (10), and described four corners in the bottom for having protecting crust (8) are all connected with There is the fixture block (9) to match with card slot (10).

2. a kind of filter inductor according to claim 1, it is characterised in that: the side of protecting crust (8), which is run through, copper post (13), the copper post (13) offers slide opening (16) close to the side of protecting crust (8), and copper post (13) extends to protecting crust (8) Restraining position ring block (15) are installed in internal one end, and the copper post (13) extends to the external one end of protecting crust (8) and is connected with cooling fin (14)。

3. a kind of filter inductor according to claim 1, it is characterised in that: the inner wall of the card slot (10) is mounted on The outer wall of backing plate (11), the backing plate (11) offers non-slip groove.

4. a kind of filter inductor according to claim 2, it is characterised in that: the vertical section diameter of the stop collar (15) Greater than the vertical section diameter of slide opening (16), the vertical section diameter and the vertical section diameter phase of copper post (13) of the slide opening (16) Match.

5. a kind of filter inductor according to claim 1, it is characterised in that: the bottom of the socle (3) is equipped with absolutely Edge pad (7), the S-type structure of the coil (5).