CN201936720U

CN201936720U - Double-induction inductance element

Info

Publication number: CN201936720U
Application number: CN2011200258918U
Authority: CN
Inventors: 罗鹏程
Original assignee: MAGIC ELECTRONIC TECHNOLOGY (SHENZHEN) Co Ltd
Current assignee: MAGIC ELECTRONIC TECHNOLOGY (SHENZHEN) Co Ltd
Priority date: 2011-01-26
Filing date: 2011-01-26
Publication date: 2011-08-17
Anticipated expiration: 2021-01-26

Abstract

The utility model discloses a double-induction inductance element. The inductance element comprises two conductors, two outer magnetic cores and an inner magnetic core, wherein the inner magnetic core is provided with a first side and a second side; both the first and the second sides are respectively provided with grooves for accommodating the two conductors; and the two outer magnetic cores enable the conductors accommodated in the grooves of the first and the second sides to be clamped between the outer magnetic cores and the inner magnetic core, and parts of the two conductors are exposed outside to serve as wiring parts. Therefore, the double-induction inductance element provided by the utility model has low cost and low tolerance.

Description

Inductance element with two inductance

Technical field

The utility model relates to inductance element, relates in particular to a kind of inductance element with two inductance.

Background technology

Inductance element is a passive electronic component with the form storage power in magnetic field, and it has many different forms and application.Inductance element can be widely used in artificial circuit and signal processing.For example: inductance element combines with capacity cell and other electronic component can form tuning circuit, in order to amplify or filtration specific signal frequency; Little capacitive/inductive can be in conjunction with producing tuning circuit in order to transmitting/receiving wireless; There is coupling magnetic flux can form transformer between two or more inductance elements.

Inductance element is generally made by conducting material coiling magnetic core, and as shown in Figure 1, it is the structure chart of existing inductance element.Traditionally, form the inductance element 1 of single inductance by the magnetic core 12 that twines multiturn lead 11.In addition, shown in Fig. 2 A and Fig. 2 B, it is for forming the inductance element 2 with two inductance by toroidal core 21 and two

coils

22 and 22 '.The cost of its processing coiling of the inductance element shown in Fig. 2 A and Fig. 2 B is too high.In addition, this kind is difficult to the pin distance of the two pins 221/221 ' of control coil 22/22 ' around the inductance element with two inductance 2 of toroidal core 21 with coil 22/22 ', and the distance between wayward pin 221 and the pin 221 ' can't be kept the quality that inductance element is produced.And shown in Fig. 2 C and Fig. 2 D,, can cause manufacturing cost to improve like this though toroidal core 21 can be fixed on the pin of coil 22/22 ' in conjunction with pedestal 23 and avoid the pin pin apart from the problem that differs on the pedestal 23.

In sum, how to avoid in the prior art, above-mentioned variety of problems and propose a kind of inductance element with two inductance of improvement becomes present urgent problem.

Summary of the invention

In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of inductance element with two inductance, may command pin pin apart from and avoid cost to promote.

The utility model provides a kind of inductance element with two inductance, comprising: inner magnetic core, have relative first and second, and this first, second face has groove respectively; Two outer magnetic cores are disposed at first, second face of this inner magnetic core respectively; And two conductors, between first, second face that is folded in this inner magnetic core respectively and the corresponding outer magnetic core and be placed in respectively in the groove of this first, second face, and this two conductor exposes its part as wire connecting portion.

In one embodiment, this conductor has a crosspiece portion and is connected to the two vertical section portions at these crosspiece portion two ends, and first, second face of this inner magnetic core has two grooves respectively, with two vertical section portions of ccontaining this conductor.In addition, the conductor that this two outer magnetic core will be placed in respectively in the groove of this first, second face is interposed between this outer magnetic core and this inner magnetic core, and exposes this crosspiece portion.

In another embodiment, this conductor has a crosspiece portion and is connected to the two vertical section portions at these crosspiece portion two ends, and first, second face of this inner magnetic core has two these grooves respectively, with two vertical section portions of ccontaining this conductor.In addition, the conductor that this two outer magnetic core will be placed in respectively in the groove of this first, second face is folded between this outer magnetic core and this inner magnetic core, and the inductance element that this has two inductance can be exposed and protrude from this crosspiece portion.

Therefore, the inductance element with two inductance that the utility model embodiment provides can overcome the high problem of processing coiling cost in the prior art, and the distance of two wire connecting portion of may command coil, is promoted the precision of inductance element.

Description of drawings

Fig. 1 is the structure chart of existing inductance element.

Fig. 2 A is by toroidal core and two formed structure charts with inductance element of two inductance of coil.

Fig. 2 B is the end view of Fig. 2 A.

Fig. 2 C is the structure chart with inductance element with two inductance of pedestal.

Fig. 2 D is the end view of Fig. 2 C.

Fig. 3 A is the exploded view of first embodiment that the utlity model has the inductance element of two inductance.

Fig. 3 B is the constitutional diagram of Fig. 3 A.

4A figure is the exploded view of second embodiment that the utlity model has the inductance element of two inductance.

4B figure is the constitutional diagram of 4A figure.

5A figure is an end view of implementing aspect that the utlity model has the inductance element of two inductance.

5B figure is a stereogram of implementing aspect that the utlity model has the inductance element of two inductance.

Embodiment

For making the purpose of this utility model, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example the utility model is further described.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

See also Fig. 3 A and Fig. 3 B, it is respectively exploded view and the constitutional diagram of first embodiment of the inductance element that the utlity model has two inductance.Inductance element 3 with two inductance comprises two conductors 31, two outer magnetic cores 32 and inner magnetic cores 33.

Inner magnetic core 33 has first 331 and with respect to this first 331 second 332, this first 331 and this second 332 groove 333 that has ccontaining this conductor 31 respectively, two conductors 31 that should outer magnetic core 32 will be placed in respectively in this first 331 and this groove of second 332 333 are interposed between this outer magnetic core 32 and this inner magnetic core 33, and a part that exposes two these conductors 31 is to become wire connecting portion 31a.

As shown in Figure 3A, this conductor 31 can have two vertical section portions 311, and first 331 and second 332 of this inner magnetic core 33 have respectively to two these grooves 333 that should two vertical section portions 311, with two vertical section portions 311 of ccontaining this conductor 31.

Moreover this conductor 31 can have crosspiece portion 312, this crosspiece portion 312 two should outside magnetic core 32 will be placed in respectively and expose when conductor 31 in this first 331 and this groove of second 332 333 is folded in outside this between the magnetic core 32 and this inner magnetic core 33.Know clearly it, this inner magnetic core 33 has the 3rd 334 perpendicular to second 332 of this first 331 and this, have depressed part 3340 for the 3rd 334, two vertical section portions 311 of this conductor 31 be placed in this groove 333 simultaneously this crosspiece portion 312 be placed in this depressed part 3340.

In another embodiment, the shape of this conductor 31 can be ㄇ font or U font.In addition, the quantity of this groove 333 and shape are not limited to disclosed quantity of the utility model accompanying drawing and shape.In addition, outside two are somebody's turn to do, can be coated with solid between first 331 and second 332 of magnetic core 32 and this inner magnetic core 33, insert and put this conductor 31 with cementation, wherein, this solid can be heat curing-type solid, thermoplastics type's solid, silica gel solid or epoxy solid.

Secondly, see also Fig. 4 A and Fig. 4 B, it is respectively exploded view and the constitutional diagram of second embodiment of the inductance element that the utlity model has two inductance.

In this embodiment, the crosspiece portion 312 of conductor 31 is placed in the 3rd 334 depressed part of this inner magnetic core 33.And in a second embodiment, two vertical section portions 311 of conductor 31 are placed in this first 331 and this groove of second 332, when conductor 31 is folded between this outer magnetic core 32 and this inner magnetic core 33, exposes and protrude from this inductance element with two inductance 3.Know clearly it, this inner magnetic core 33 has perpendicular to this first 331 and this fourth face of second 332 335, and this fourth face 335 does not have depressed part 3340 like the 3rd 334, thereby the crosspiece portion 312 of this conductor 31 just protrudes from this fourth face 335.

Understood by first embodiment and second embodiment, inductance element with two inductance of the present utility model can solve in the prior art, coil-winding is complicated and be difficult to the problem of the wire connecting portion pin distance of control coil, and then reduces cost and make the inductance element standardization of made.

Then, see also Fig. 5 A and Fig. 5 B, it is respectively the end view and the stereogram of an enforcement aspect of the inductance element that the utlity model has two inductance.Two should outer magnetic core 32 have gap 54 respectively and between first 531 and second 532 of this inner magnetic core 53, and two these gaps 54 utilized wire distance piece 6 (for example copper cash) be positioned over two should outer magnetic cores 32 and first 531 and second 532 of this inner magnetic core 53 between form, and can utilize the thickness of this wire distance piece 6 to control the size in crack 54 between this inductance element with two inductance 5.In addition, in gap 54, can fill solid, with should outer magnetic core 32, this inner magnetic core 53, this conductor 51 and this wire distance piece 6 adhere mutually, this solid can be heat curing-type solid, thermoplastics type's solid, silica gel solid or epoxy solid.

In sum, the inductance element that the utlity model has two inductance has two conductors, first at inner magnetic core reaches with respect to this second groove that has respectively corresponding to this conductor of first, and two outer magnetic cores are folded in the inductance element that has two inductance between outer magnetic core and the inner magnetic core with formation with two conductors respectively, and the some of this conductor protrudes from this inductance element with two inductance with as wire connecting portion.Therefore, the utility model can reduce the cost that the prior art coil twines magnetic core, more can control the also pin distance of link portion by the groove of interior magnetic, thereby reduces the tolerance of inductance element.In addition, also can control between outer magnetic core and the inner magnetic core by the size that is interposed in the wire distance piece between outer magnetic core and the inner magnetic core between the crack, with the inductance value of control inductance element, and then use the inductance element of of the present utility model pair of inductance widely.

The foregoing description is illustrative principle of the present utility model and effect thereof only; be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the utility model.

Claims

1. the inductance element with two inductance is characterized in that, comprising:

Inner magnetic core has relative first and second, and this first, second face has groove respectively;

Two outer magnetic cores are disposed at first, second face of this inner magnetic core respectively; And

Between two conductors, first, second face that is folded in this inner magnetic core respectively and corresponding outer magnetic core, and be placed in respectively in the groove of this first, second face, and this two conductor exposes its part as wire connecting portion.

2. the inductance element with two inductance as claimed in claim 1 is characterized in that, this conductor is ㄇ font or U font.

3. the inductance element with two inductance as claimed in claim 2, it is characterized in that, this conductor has a crosspiece portion and is connected to the two vertical section portions at these crosspiece portion two ends, and first, second face of this inner magnetic core has two grooves respectively, is used for two vertical section portions of ccontaining this conductor.

4. the inductance element with two inductance as claimed in claim 3 is characterized in that, the conductor that this two outer magnetic core will be contained in respectively in the groove of this first, second face is folded between this outer magnetic core and this inner magnetic core, and exposes the crosspiece portion of this conductor.

5. the inductance element with two inductance as claimed in claim 4 is characterized in that, this inner magnetic core has the 3rd perpendicular to this first, second face, and the 3rd mask has depressed part, and the crosspiece portion of this conductor is positioned at this depressed part.

6. the inductance element with two inductance as claimed in claim 4 is characterized in that this inner magnetic core has the fourth face perpendicular to this first, second face, and the crosspiece portion of this conductor protrudes from this fourth face.

7. the inductance element with two inductance as claimed in claim 1, it is characterized in that, also comprise the wire distance piece, be arranged between this two outer magnetic core and this inner magnetic core first, second, make this two outer magnetic core be formed with the gap respectively and between first, second of this inner magnetic core.

8. the inductance element with two inductance as claimed in claim 7 is characterized in that, this wire distance piece is a lead.

9. the inductance element with two inductance as claimed in claim 7 is characterized in that, is filled with solid in this gap.

10. the inductance element with two inductance as claimed in claim 1 is characterized in that, is coated with solid between first, second face of this two outer magnetic core and this inner magnetic core.

11., it is characterized in that this solid is heat curing-type solid, thermoplastics type's solid, silica gel solid or epoxy solid as claim 9 or 10 described inductance elements with two inductance.