CN201994156U

CN201994156U - Inductor

Info

Publication number: CN201994156U
Application number: CN2011200027773U
Authority: CN
Inventors: 邵志彬
Original assignee: Lotes Guangzhou Co Ltd
Current assignee: Lotes Guangzhou Co Ltd
Priority date: 2011-01-04
Filing date: 2011-01-04
Publication date: 2011-09-28
Anticipated expiration: 2021-01-04

Abstract

The utility model relates to an inductor, which comprises a circuit board, a magnetic core, an insulating cover body and at least one linear metal layer, wherein the magnetic core is arranged on a circuit board; the insulating cover body is coated on the magnetic core; and the at least one linear metal layer is arranged on the inner periphery of the insulating cover body and the circuit board through chemical treatment, and the linear metal layer positioned on the inner periphery of the insulating cover body and the linear metal layer positioned on the circuit board are correspondingly welded for constituting a coil loop so as to form the coil effect. Therefore, the inductor does not need to wind a coil in advance, thereby being capable of greatly saving manpower and physical resources and improving the working efficiency; furthermore, the linear metal layer is directly arranged on the inner periphery of the insulating cover body, thereby not only occupying additional space and enabling the design to tend towards miniaturization.

Description

Inductor

[technical field]

The utility model relates to a kind of inductor, refers to a kind of inductor that need not coiling especially.

[background technology]

The common a kind of inductor of industry, an enamelled wire that has a magnet ring and be wrapped in described magnet ring periphery, described enamelled wire is by manual mode or automated manner coiling in advance.

Obtain bigger inductance value for asking, in the coiling process, generally described enamelled wire need be overlapped, therefore, insulating barrier at enamelled wire described in the coiling process is easier to scratch, and need reserve one section at the front end of described enamelled wire during the described enamelled wire of coiling, so that fastening described enamelled wire in winding process, therefore, after finishing, coiling work will inevitably cause the waste of described enamelled wire material, cause material cost to increase, and manual winding mode is time-consuming, effort, efficient are low, and the automatic winding mode then need spend great amount of cost; , take up room greatly in addition, be unfavorable for the product miniaturization Design because of described enamelled wire and magnet ring are assembly independently separately.

Therefore, be necessary described inductor is improved, to overcome above-mentioned defective.

[utility model content]

Creation purpose of the present utility model is to provide a kind of inductor that need not coiling.

In order to achieve the above object, the utility model buckle structure adopts following technical scheme:

A kind of inductor comprises a magnetic core; One insulation lid coats described magnetic core; At least one line style conductive layer is laid in described insulating lid surface, and described line style conductive layer constitutes a wire loop to form the coil effect.

Compared with prior art, because described line style conductive layer itself can constitute described wire loop, form the coil effect.Therefore, described inductor of the present utility model is coiling in advance, can save a large amount of man power and materials and increases work efficiency, and because of described type conductive layer directly is laid in described insulating lid surface, not take additional space, the design miniaturization that more becomes.

[description of drawings]

Fig. 1 is the schematic diagram of inductor among the utility model first embodiment;

Fig. 2 is the vertical view of the inductor of Fig. 1;

Fig. 3 is the schematic diagram of inductor among the utility model second embodiment;

Fig. 4 is the vertical view of the inductor of Fig. 3;

Fig. 5 is the schematic diagram of inductor among the utility model the 3rd embodiment;

Fig. 6 is the schematic diagram of inductor among the utility model the 4th embodiment.

The drawing reference numeral explanation of embodiment:

Inductor 1

Magnetic core 11 insulation lids 12 line style conductive layers 13

Wire loop 14 circuit boards 15 separators 16

Link 41 first links 42 second links 43

Guiding access 51 first guiding access 52 second guiding access 53

Earth terminal (50,60)

The first line style conductive layer (300,301,302), the second line style conductive layer (310,311,312) the 3rd line style conductive layer 322

First wire loop (400,401,402), second wire loop (410,411,412) tertiary coil loop 422

First separator, 61 second separators 62

[embodiment]

For ease of better understanding the purpose of this utility model, structure, feature and effect etc., now with embodiment the utility model buckle structure is described further in conjunction with the accompanying drawings.

Please refer to Fig. 1 and Fig. 2, be the utility model first embodiment, it provides a kind of inductor 1, comprises a magnetic core 11; One insulation lid 12 coats described magnetic core 11; One line style conductive layer 13 is laid in described insulation lid 12 surfaces, and described line style conductive layer 13 constitutes a wire loop 14 to form the coil effect.

Please refer to Fig. 1 and Fig. 2, described line style conductive layer 13 is located at described insulation lid 12 surfaces through chemical treatment, and described chemical treatment is such as but not limited to etching, transfer printing, MID chemical plating; Described line style conductive layer 13 is along the outer peripheral edges spiral of described insulation lid 12, constitutes described wire loop 14 forming the coil effect, and reserves two links 41 and be provided with connecting the external electrical signal.

Please refer to Fig. 1 and Fig. 2, described insulation lid 12 cooperates the shape setting and the described insulation lid 12 of described magnetic core 11 to be sheathed on the described magnetic core 11, described insulation lid 12 is made for high-temperature resistance plastice, and described high-temperature resistance plastice is such as but not limited to nylon, LCP, PPA, PPF etc.

Please refer to Fig. 1 and Fig. 2, further comprise a circuit board 15, described circuit board 15 is provided with an earth terminal 50 and is connected in described line style conductive layer 13; Also be provided with two guiding access 51 on the described circuit board 15, constitute resource loop thereby be used for being connected to provide external circuit to be connected with described wire loop 14 with described link 41.

During operation, please refer to Fig. 1 and Fig. 2, at first, with the sheathed described insulation lid 12 in the outside of described magnetic core 11, on described insulation lid 12, utilize chemical treatment that described line style conductive layer 13 is set, make described line style conductive layer 13 self can constitute described wire loop 14 and to reserve described link 41 and be provided with connecting the external electrical signal along the outer peripheral edges spiral of described insulation lid 12 and described line style conductive layer 13; Described earth terminal 50 is set on described circuit board 15 then and described earth terminal 50 is connected in described line style conductive layer 13, constitute resource loop to provide external circuit to be connected on described circuit board 15 with described wire loop 14 thereby described guiding access 51 is set again and described guiding access 51 and described link 41 connected one to one.Described wire loop 14 can be used in the circuit structures such as rectification or filtering.

Please refer to Fig. 3 and Fig. 4, be second embodiment of the present utility model, the difference of second embodiment and first embodiment is that the utility model provides a kind of inductor 1, comprises a magnetic core 11; One insulation lid 12 coats described magnetic core 11; One first line style conductive layer 300 and one second line style conductive layer 310, the described first line style conductive layer 300 all is laid in described insulation lid 12 surfaces with the described second line style conductive layer 310, the described first line style conductive layer 300 and the described second line style conductive layer 310 are respectively along half outer peripheral edges spiral of described insulation lid 12 and be distributed in the opposite side of described insulation lid 12, the described first line style conductive layer 300 constitutes one first wire loop 400 and is provided with connecting the external electrical signal to form the coil effect and to reserve 2 first links 42, similarly, the described second line style conductive layer, 310 formations, one second wire loop 410 is provided with connecting the external electrical signal to form the coil effect and to reserve 2 second links 43; Further comprise a circuit board 15, described circuit board 15 is provided with two earth terminals 60 and is connected with described first line style conductive layer 300 and the described second line style conductive layer 310 respectively, also be provided with 2 first guiding access 52 and 2 second guiding access 53 on the described circuit board 15, thereby described first guiding access 52 connects one to one with described first link 42 and makes described first wire loop 400 constitute resource loop to provide external circuit to be connected with described first wire loop 400, similarly, thus described second guiding access 53 connects one to one with described second link 42 and makes described second wire loop 410 constitute resource loop to provide external circuit to be connected with described second wire loop 410; Described first wire loop 400 intercouples with described second wire loop 410, can be used in the circuit structure such as transformation.

Please refer to Fig. 5, be the utility model the 3rd embodiment, the difference of the 3rd embodiment and second embodiment is that the utility model provides a kind of inductor 1, comprises a magnetic core 11; One insulation lid 12 coats described magnetic core 11; One first line style conductive layer 301 and one second line style conductive layer 311, the described first line style conductive layer 301 is laid in described insulation lid 12 surfaces, be provided with a separator 16 between described first line style conductive layer 301 and the described second line style conductive layer 311, the described second line style conductive layer 311 is laid in described separator 16 surfaces; The described first line style conductive layer, 301 formations, one first wire loop 401 forms the coil effects and reserves 2 first links (not shown) and is provided with connecting the external electrical signal, the described second line style conductive layer, 311 formations, one second wire loop 411 forms the coil effects and reserves 2 second links (not shown) and is provided with connecting the external electrical signal, be provided with described separator 16 between described first wire loop 401 and described second wire loop 411, described separator 16 is made for insulating material; Further comprise a circuit board 15, described circuit board 15 is provided with two earth terminals (not shown) and is connected with described first line style conductive layer 301 and the described second line style conductive layer 311 respectively, also be provided with 2 first guiding access (not shown) and 2 second guiding access (not shown) on the described circuit board 15, described first guiding access (not shown) with described first link (not shown) thus connect one to one and make described first wire loop 401 constitute resource loop to provide external circuit to be connected with described first wire loop 401, similarly, described second guiding access (not shown) with described second link (not shown) thus connect one to one and make described second wire loop 411 constitute resource loop to provide external circuit to be connected with described second wire loop 411; Described first wire loop 401 and described second wire loop, 411 superpositions can increase inductance value.

Please refer to Fig. 6, be the utility model the 4th embodiment, the difference of the 4th embodiment and the 3rd embodiment is that the utility model provides a kind of inductor 1, comprises a magnetic core 11; One insulation lid 12 coats described magnetic core 11; One first line style conductive layer 302, one second line style conductive layer 312 and one the 3rd line style conductive layer 322, the described first line style conductive layer 302 is isolated by one first separator 61 with the described second line style conductive layer 312, the described second line style conductive layer 312 is isolated by one second separator 62 with described the 3rd line style conductive layer 322, the described first line style conductive layer 302 is positioned at the most inboard and described first line style conductive layer 302 and directly is laid in described insulation lid 12 surfaces, the described first line style conductive layer 302 constitutes one first wire loop 402 and reserves 2 first links (not shown), wherein described first link (not shown) is in order to connect the external electrical signal, another described first link (not shown) is connected with the described second line style conductive layer 312 that is positioned at its outside, the described second line style conductive layer 312 is between described first line style conductive layer 302 and described the 3rd line style conductive layer 322, the described second line style conductive layer 312 constitutes one second wire loop 412 and reserves 2 second links (not shown), wherein described second link (not shown) is connected in described first wire loop 402, another described second link (not shown) is connected with described the 3rd line style conductive layer 322 that is positioned at its outside, described the 3rd line style conductive layer 322 is positioned at outermost, described the 3rd line style conductive layer 322 constitutes a tertiary coil loop 422 and reserves 2 the 3rd links (not shown), wherein described the 3rd link (not shown) is connected in described second wire loop 412, and another described the 3rd link (not shown) is in order to connect the external electrical signal.Connect mutually to form the coil effect in described first wire loop 402, described second wire loop 412 and described tertiary coil loop 422.

In sum, the utility model inductor has following advantage:

1. because described line style conductive layer 13 self can constitute described wire loop 14 to form the coil effect, and therefore, described inductor 1 is coiling in advance, can save a large amount of man power and materials and increase work efficiency.

2. because described line style conductive layer 13 is directly to be laid on the described insulation lid 12, do not take additional space, design the miniaturization that more becomes.

3. described wire loop 14 constitutes resource loop and provides electric current to order about described wire loop 14 work because described link 41 connects one to one with described guiding access 51, produces magnetic field, can be used in the circuit structures such as rectification and filtering.

4. because described first wire loop 400 and described second wire loop 410 coupling, can be used for realizing in the structure of function such as transformation.

5. owing to described first wire loop 401 and described second wire loop, 411 superpositions, can strengthen the inductance value of described inductor 1.

6. owing to connect mutually to form the coil effect in described first wire loop 402, described second wire loop 412 and described tertiary coil loop 422, can strengthen the inductance value of described inductor 1.

More than describing in detail only be the explanation of the preferred embodiment of the utility model, the claim of non-so limitation the utility model, so, all this creation of utilization specifications and diagramatic content equivalence techniques variation for it, all be contained in the claim of this creation.

Claims

1. an inductor is characterized in that, comprising:

One magnetic core;

One insulation lid coats described magnetic core;

At least one line style conductive layer is laid in described insulating lid surface, and described line style conductive layer constitutes a wire loop to form the coil effect.

2. inductor as claimed in claim 1 is characterized in that: described wire loop is reserved two links along described insulating lid surface spiral and described wire loop and is provided with connecting the external electrical signal.

3. inductor as claimed in claim 1 is characterized in that: described insulation lid cooperates the shape setting of described magnetic core.

4. inductor as claimed in claim 1 is characterized in that: described line style conductive layer constitutes most described wire loops, and described wire loop is uniformly distributed in the outer peripheral edges of described insulation lid, and described wire loop intercouples.

5. inductor as claimed in claim 1, it is characterized in that: described line style conductive layer constitutes most described wire loops, each described wire loop is reserved described two links, is provided with a separator between the wantonly two adjacent described wire loops, and described separator is that insulating material is made.

6. inductor as claimed in claim 5 is characterized in that: the mutual superposition of described wire loop, described link is in order to connect the external electrical signal.

7. inductor as claimed in claim 5 is characterized in that: wherein a described link is in order to connect the external electrical signal to be positioned at the most inboard described wire loop, and another described link is connected with the described line style conductive layer that is positioned at its outside; Described wire loop in the middle part of being positioned at a wherein described link is connected with the described line style conductive layer that is positioned at its inboard, and another described link is connected with the described line style conductive layer that is positioned at its outside; A wherein described link that is positioned at outermost described wire loop is connected with the described line style conductive layer that is positioned at its inboard, and another described link is in order to connect the external electrical signal.

8. inductor as claimed in claim 1 is characterized in that: further comprise a circuit board, described circuit board is provided with at least one earth terminal and is connected in described line style conductive layer.

9. inductor as claimed in claim 8 is characterized in that: described circuit board cooperates described wire loop to be provided with at least two guiding access and is connected in order to the external electrical signal to be provided with described line style conductive layer.