CN205487652U

CN205487652U - Inductance structure

Info

Publication number: CN205487652U
Application number: CN201620022217.7U
Authority: CN
Inventors: 谢明谚; 杨祥忠
Original assignee: Taiqing Science & Technology Co Ltd Xi'bei
Current assignee: Taiqing Science & Technology Co Ltd Xi'bei
Priority date: 2016-01-11
Filing date: 2016-01-11
Publication date: 2016-08-17
Anticipated expiration: 2026-01-11

Abstract

The utility model provides an inductance structure, its includes a drum type iron core, a first coil, a second coil, a tertiary winding and a four coil, wherein: this drum type iron core has first flange and second flange, is equipped with first electrode, second electrode, the third electrode and fourth electrode according to the preface on this first flange, and this second flange is equipped with the 5th electrode, the 6th electrode and the 7th electrode according to the preface, the initiating terminal and the end of this first coil are connected with second electrode and the 6th electrode respectively, and the initiating terminal and the end of this second coil are connected with the third electrode and the 6th electrode respectively, and the initiating terminal and the end of this tertiary winding are connected with first electrode and the 7th electrode respectively, the utility model discloses pressure welding intensity between the termination electrode of its head end of the coil that winds after can ensureing and drum type iron core when avoiding follow -up wire winding, easily because of the tension disappearance of separation that drops between coil and the termination electrode, and then makes the utility model discloses can reach improves product yield and the reliable efficiency of spending by a wide margin.

Description

Induction structure

Technical field

This utility model relates to a kind of induction structure.

Background technology

At present, general loop construction, according to its purposes difference, it will usually have different titles, example Such as the choke coil (choke) that for the inductance of energy storage, high frequency noise can be suppressed and as transformator Winding (winding) etc., refers to Fig. 1 and show the loop construction of a kind of prior art, its by One drum type iron core 10, first coil 21,1 second coil 22, tertiary coil 23 and the 4th Coil 24 is constituted, and wherein, this drum type iron core 10 includes the columnar part 11 being positioned at centre and is connected to First flange 12 and second flange 13 at columnar part 11 two ends, this first flange 12 is sequentially provided with One electrode the 121, second electrode 122 and the 3rd electrode 123, this second flange 13 is in the same direction Order is sequentially provided with the 4th electrode the 131, the 5th electrode 132 and the 6th electrode 133, this first coil 21 Initiating terminal 211 be connected this first electrode 121 and the 5th electrode 132 respectively with end 212, this is second years old The initiating terminal 221 of coil 22 is connected this second electrode 122 and the 6th electrode 133 respectively with end 222, The initiating terminal 231 of this tertiary coil 23 is connected this first electrode 121 and the 4th electricity respectively with end 232 Pole 131, the initiating terminal 241 of the 4th coil 24 is connected the 3rd electrode 123 respectively with end 242 With the 6th electrode 133, additionally, please also refer to shown in Fig. 2, the loop construction of this kind of prior art When coiling, first with the two lines circles such as first coil 21 and the second coil 22 be one group around being located at this drum In the columnar part 11 of shaped iron core 10, form the coil being positioned at internal layer, then, then with tertiary coil 23 And the 4th the two lines circle such as coil 24 be one group around being located at outside this first coil 21 and the second coil 22 Enclose, form the coil being positioned at outer layer.

Refer to shown in Fig. 1 Yu Fig. 2, rising of its first coil 21 of the loop construction of aforementioned prior art Top 211 is all connected to this first electrode 121, and the 3rd line with the initiating terminal 231 of tertiary coil 23 Circle 23 just starts winding after lying in first coil 21 winding, thus, when rising of tertiary coil 23 Top 231 is when both the first electrodes 121 thermal compression welding to be carried out is combined, now, due to the first electricity On pole 121, the initiating terminal 211 of the first coil 21 that pressure welding is good still has certain thickness, therefore can be to heat The pressure welding power of pressure equipment adversely affects, and is easily caused the initiating terminal 231 and of tertiary coil 23 Bond strength between one electrode 121 is not enough, consequently, it is possible to please also refer to shown in Fig. 3, when Spooling equipment rotates this drum type iron core 10 when carrying out coiling, and its tension force forming coil easily makes the 3rd line The initiating terminal 231 of circle 23 separates with the first electrode 121, causes sealing-off, and then reduces processing procedure or product Yield, be therefore, how to be improved for above-mentioned disappearance, be what applicant in this case to be solved Technical difficulties place.

Utility model content

Because the loop construction of prior art, the coiling initiating terminal of its different group coils is commonly connected to The same termination electrode of drum type iron core, after causing around coil its initiating terminal with termination electrode between weld Intensity is not enough, even results in coil and departs from termination electrode, reduces product yield and reliability, therefore this reality It is to develop a kind of induction structure avoided or reduce coil disengaging termination electrode by novel purpose.

For reaching the above object, this utility model provides a kind of induction structure, comprising: a drum type Iron core, a first coil, one second coil, a tertiary coil and one the 4th coil, wherein:

This drum type iron core has a columnar part being positioned at centre and is connected to the first of these columnar part two ends Flange and the second flange, this first flange is sequentially provided with the first electrode, the second electrode, the 3rd electrode With the 4th electrode, this second flange is sequentially provided with the 5th electrode, the 6th electrode and the 7th electrode；

The initiating terminal of this first coil and end are connected with the second electrode and the 6th electrode respectively, and this is years old The initiating terminal of two coil and end are connected with the 3rd electrode and the 6th electrode respectively, this tertiary coil Initiating terminal and end are connected with the first electrode and the 7th electrode respectively, the initiating terminal of the 4th coil and End is connected with the 4th electrode and the 5th electrode respectively；

Wherein, this first coil and the second coil two lines circle are to be set around this drum type iron core the most side by side Columnar part on, and there is the first winding turns, this tertiary coil and the 4th coil two lines circle then become Group is set around the periphery of this first coil and the second coil side by side, and has the second winding turns.

Wherein the 5th electrode, the 6th electrode and the 7th electrode setting direction order with the first electrode, The setting direction order of the second electrode, the 3rd electrode and the 4th electrode is identical.

Wherein this first winding turns and the second winding turns are identical.

Wherein this first winding turns and the second winding turns are different.

Whereby, after this utility model i.e. can ensure that around its head end of coil and drum type iron core termination electrode it Between pressure welding intensity, it is to avoid during follow-up coiling, easily come off because of tension force between coil and termination electrode point From disappearance, and then make this utility model can reach effect that product yield and reliability are greatly improved.

Accompanying drawing explanation

Fig. 1 is the schematic diagram of prior art coil structure.

Fig. 2 be prior art coil structure its be positioned at the winding structure schematic diagram of coil of internal layer.

Fig. 3 be after prior art coil structure easily makes around coil depart from termination electrode schematic diagram.

Fig. 4 is schematic perspective view of the present utility model.

Fig. 5 is the schematic top plan view after its coil being positioned at internal layer of this utility model completes coiling.

Fig. 6 is the schematic top plan view after its coil being positioned at outer layer of this utility model completes coiling.

Fig. 7 is cross-sectional schematic of the present utility model.

Description of reference numerals

(prior art)

10 drum type iron core 11 columnar part

12 first flange 121 first electrodes

122 second electrode 123 the 3rd electrodes

13 second flange 131 the 4th electrodes

132 the 5th electrode 133 the 6th electrodes

21 first coil 211 initiating terminals

212 end 22 second coils

221 initiating terminal 222 ends

23 tertiary coil 231 initiating terminals

232 end 24 the 4th coils

241 initiating terminal 242 ends

(this wound utility model)

3 drum type iron core 31 columnar part

32 first flange 321 first electrodes

322 second electrode 323 the 3rd electrodes

324 the 4th electrode 33 second flanges

331 the 5th electrode 332 the 6th electrodes

333 the 7th electrode 4 first coils

41 initiating terminal 42 ends

5 second coil 51 initiating terminals

52 end 6 tertiary coils

61 initiating terminal 62 ends

7 the 4th coil 71 initiating terminals

72 ends

Detailed description of the invention

Referring to shown in Fig. 4, this utility model provides a kind of induction structure, it include a drum type iron core 3, One first coil 4,1 second coil 5, tertiary coil 6 and one the 4th coil 7, wherein:

This drum type iron core 3 has a columnar part 31 being positioned at centre and is connected to this columnar part 31 liang End the first flange 32 and the second flange 33, this first flange 32 is sequentially provided with the first electrode 321, Second electrode the 322, the 3rd electrode 323 and the 4th electrode 324, this second flange 33 is with identical side The 5th electrode the 331, the 6th electrode 332 and the 7th electrode 333 sequentially it is provided with to order；

The initiating terminal 41 of this first coil 4 and end 42 respectively with the second electrode 322 and the 6th electrode 332 are connected, the initiating terminal 51 of this second coil 5 and end 52 respectively with the 3rd electrode 323 and Six electrodes 332 are connected, the initiating terminal 61 of this tertiary coil 6 and end 62 respectively with the first electrode 321 and the 7th electrode 333 be connected, the initiating terminal 71 of the 4th coil 7 and end 72 are respectively with Four electrodes 324 and the 5th electrode 331 are connected；

Wherein, please also refer to shown in Fig. 5, Fig. 6, this first coil 4 and second coil 5 etc. two Bar coil is set around in the columnar part 31 of this drum type iron core 3 the most side by side, and has the first winding turns, The two lines circles such as this tertiary coil 6 and the 4th coil 7 be set around the most side by side this first coil 4 with The periphery of the second coil 5, and there is the second winding turns, that is, inductance of the present utility model is entering During row coiling, it is by first coil 4 and the second leading winding of coil 5, after, then by the 3rd line Circle 6 and the 4th coil 7 carry out winding, whereby, please also refer to shown in Fig. 7, and this first coil 4 I.e. form the coil being positioned at internal layer with the second coil 5, this tertiary coil 6 is then formed with the 4th coil 7 Being positioned at the coil of outer layer, so, four coils of the present utility model and drum type iron core 3 can distinguish structure Become an independent inducer, that is, this utility model can go out up to four with the structure fabrication of single element Individual inductance, can have remarkable result for the component density and application benefit improving circuit, additionally, It may be mentioned that according to the actual specification demands of product or difference (such as inductance value size), this is first years old Winding turns and the second winding turns can be identical, it is also possible to different, those skilled in the art Change can be adjusted the most voluntarily；

Referring again to shown in Fig. 5 Yu Fig. 6, in inductance of the present utility model, although first coil 4 The same termination electrode (the i.e. the 6th electrode 332) being commonly connected to drum type iron core 3 is had with the second coil 5, But, connect respectively by allowing the initiating terminal 61 of tertiary coil 6 and the initiating terminal 71 of the 4th coil 7 The first electrode 321 not shared with the initiating terminal 41 of first coil 4 and the initiating terminal 51 of the second coil 5 And the 4th electrode 324, thus after can ensure that around its head end of coil and the termination electrode of drum type iron core 3 between Pressure welding intensity, it is to avoid during follow-up coiling, easily come off because of tension force between coil with termination electrode and separate Disappearance, and then make this utility model can reach effect that product yield and reliability are greatly improved.

These are only preferred embodiment of the present utility model, be not able to this and limit what this utility model was implemented Protection domain, the most all simple equivalences made with reference to description of the present utility model change and repair Decorations, still belong to protection domain of the present utility model.

Claims

1. an induction structure, it is characterised in that including: a drum type iron core, a first coil, one Two coil, a tertiary coil and one the 4th coil, wherein:

2. induction structure as claimed in claim 1, it is characterised in that wherein the 5th electrode, the Setting direction order and the first electrode, the second electrode, the 3rd electrode and the of six electrodes and the 7th electrode The setting direction order of four electrodes is identical.

3. induction structure as claimed in claim 1, it is characterised in that wherein this first winding turns Identical with the second winding turns.

4. induction structure as claimed in claim 1, it is characterised in that wherein this first winding turns Different from the second winding turns.