CN102148093A

CN102148093A - Magnetic element and coiling substrate thereof

Info

Publication number: CN102148093A
Application number: CN201010116681XA
Authority: CN
Inventors: 蔡辛卫; 陈君平; 陈帝之; 曾祥益; 庄博钧; 李铭成
Original assignee: Delta Optoelectronics Inc
Current assignee: Delta Electronics Inc; Delta Optoelectronics Inc
Priority date: 2010-02-10
Filing date: 2010-02-10
Publication date: 2011-08-10
Anticipated expiration: 2030-02-10
Also published as: CN102148093B

Abstract

The invention discloses a magnetic element and a coiling substrate of the magnetic element, wherein the coiling substrate is applied to the magnetic element; the magnetic element at least comprises a first winding and a second winding; the first winding comprises a plurality of first end parts; the second winding comprises a plurality of second end parts; the coil substrate comprises a coiling part, a first extension part and a second extension part; the first and second extension parts are spaced by the coiling part; and at least one of the first extension part and the second extension part is provided with the first end parts of the first winding and the second end parts of the second winding simultaneously. In the invention, the first end parts of the first winding and/or the second end parts of the second winding are decentralized by mainly using design of coiling substrate to avoid various problems which may be caused by coil hooking after the first end parts and the second end parts have to be concentrated on two sides of the coiling substrate respectively in the prior art, so that consumption of human resources and material resources can be avoided.

Description

Magnetic element and winding base thereof

Technical field

The present invention relates to a kind of magnetic element and winding base thereof, relate in particular to a kind of magnetic element and winding base thereof of adjusting the end configuration of winding.

Background technology

Magnetic element is an electronic installation indispensable basic building block of when operation, can be widely used in various electronic installation.Along with the development trend of electronic device miniaturization, high power, multi-functional and universalness, magnetic element also must design towards flattening, and improves overall efficiency, promotes diversity structure and reduce cost, to cooperate the demand of electronic installation.

See also Fig. 1, it is the structural representation of known magnetic element.Generally speaking, magnetic element 1, for example: transformer, have first winding 11 and second winding 12, it can be wound on the winding base 10, and consider that based on safety a plurality of the second ends 121 of a plurality of first ends 111 of first winding 11 and second winding 12 are wound in respectively on a plurality of first pins 101 and a plurality of second pin 102 of winding base 10 both sides, with by first winding 11, second winding 12 are separated hanging wire and keep suitable safe distance in the two opposite sides of winding base 10.And the winding base 10 of having twined first winding 11 and second winding 12 can combine with magnetic core set 13 to form magnetic element 1, a plurality of first ends 111, the second openings 132 of corresponding ccontaining first windings 11 of first opening 131 of magnetic core set 13 a plurality of the second ends 121 of ccontaining second winding 12 of correspondence then wherein.

With the bigger electric current of second winding, 12 outputs is example, generally speaking can use thicker lead as second winding 12, to prevent overheated situation, yet the second end 121 centralized configuration of second winding 12 that the line footpath is thicker can be interfered the assembling of magnetic core set 13 with respect to winding base 10, cause the inconvenience of technology.In addition, magnetic core set 13 first, second opening 131,132 must with the end that is placed in winding wherein, also be first end 111 and the second end 121, keep proper proportion, and if second winding 12 uses the thicker lead in line footpath, the ratio of its second end 121 and second opening 132 very easily surpasses permissible range, must change the size of magnetic core set 13 this moment, for example: adopt first, second opening 131,132 bigger magnetic core set 13, or adjust the wire diameter of second winding 12 or coil turn overcoming relevant issues, but change magnetic core set 13, the redesign magnetic element 1 specification or develop new mould and all need expend a large amount of man-hours, manpower and development cost.Even if known technology can adopt many group magnetic elements 1 to disperse second winding 12 in addition and solve the too crowded problem of second opening 132, but the many groups of use magnetic elements 1 certainly will increase the space of circuit layout and improve whole cost.

In view of this, how to develop a kind of magnetic element and winding base thereof, to solve many defectives of known technology, real problem for the correlative technology field solution that presses at present.

Summary of the invention

Main purpose of the present invention is for providing a kind of magnetic element and winding base thereof, it utilizes the design of winding base, under the prerequisite of keeping the electrical safety distance, the first end of first winding of magnetic element and/or the second end of second winding are disperseed, must be to solve known technology with first end, the second end concentrates on winding base two opposite sides hanging wire respectively, cause the too crowded problem of a wherein opening of magnetic core set, opening utilance with effective lifting magnetic core set, and avoid thermal source to concentrate, and then promote the radiating efficiency of magnetic element by the end that disperses winding.

For reaching above-mentioned purpose, of the present invention one wide execution mode is for providing a kind of winding base, it is applied to magnetic element, magnetic element comprises first winding and second winding at least, first winding comprises a plurality of first ends, second winding comprises a plurality of the second ends, and winding base comprises: the winding section; And first extension and second extension, its by winding portion every; Wherein, one of them is provided with the first end of first winding and the second end of second winding simultaneously at least for first extension and second extension.

According to conception of the present invention, wherein first extension comprises first pedestal and second pedestal, comprise first gap between first, second pedestal, and second extension comprises the 3rd pedestal and all the people present's body, comprises second gap between second, third pedestal.

According to conception of the present invention, wherein first pedestal of first extension and second pedestal are respectively equipped with a plurality of first pins and a plurality of second pin, and the 3rd pedestal of second extension and all the people present's body are respectively equipped with a plurality of the 3rd pins and a plurality of the 4th pin.

According to conception of the present invention, wherein a plurality of first ends of first winding are arranged on the 3rd pedestal of first pedestal of first extension and second extension, and electrically connect with first pin and the 3rd pin respectively, and a plurality of the second ends of second winding are arranged on all the people present's body of second pedestal of first extension and second extension, and electrically connect with second pin and the 4th pin respectively, wherein the voltage of second winding is higher than the voltage of first winding in fact, and a plurality of first pins of first pedestal to the distance of winding section in fact less than a plurality of second pins of second pedestal distance to the winding section, the width of first pedestal is in fact less than the width of second pedestal, a plurality of the 3rd pins of the 3rd pedestal to the distance of winding section in fact less than a plurality of the 4th pins of all the people present's body distance to the winding section, the width of the 3rd pedestal is in fact less than the width of all the people present's body.

According to conception of the present invention, wherein a plurality of first ends of first winding are arranged on first pedestal of first extension and with first pin and electrically connect, and a plurality of the second ends of second winding are arranged at respectively on the 3rd pedestal and all the people present's body of second pedestal of first extension and second extension, and electrically connect with second pin, the 3rd pin and the 4th pin respectively.

According to conception of the present invention, wherein a plurality of first ends of first winding are arranged on the 3rd pedestal of first pedestal of first extension and second pedestal and second extension, and electrically connect with first pin, second pin and the 3rd pin, a plurality of the second ends of second winding are arranged on all the people present's body of second extension and with the 4th pin and electrically connect.

According to conception of the present invention, wherein the winding section also comprises passage, first side plate and second side plate, and passage runs through first, second side plate, and forms winding region between first side plate and second side plate, and first winding and second winding are arranged in the winding region.

According to conception of the present invention, wherein the 3rd pedestal of first pedestal of first extension, second pedestal and second extension, all the people present's body by integral forming ground are extended by first side plate of winding section.

According to conception of the present invention, wherein second side plate is provided with a plurality of hanging wire grooves, and it is extended by the second side plate edge.

According to conception of the present invention, wherein winding base also comprises guide groove.

For reaching above-mentioned purpose, another wide execution mode of the present invention is for providing a kind of magnetic element, and it comprises: winding base, it comprises winding section, first extension and second extension, first extension and second extension by winding portion every; First winding and second winding, it is arranged at the winding section of winding base, and comprises a plurality of first ends and a plurality of the second end respectively; And magnetic core set, it holds winding section, first winding and second winding of receiving winding base, and comprises first opening and second opening; Wherein, first extension of winding base and second extension are extended by first opening and second opening of magnetic core set respectively, and first extension and second extension one of them is provided with the first end of first winding and the second end of second winding simultaneously at least.

The present invention mainly utilizes the design of winding base, the first end of first winding and/or the second end of second winding are disperseed, with avoid known technology first end and the second end must be concentrated on respectively winding base both sides hanging wire the variety of problems that may cause, in other words, under the aperture area of same core group, first end and/or the second end can be disperseed by winding base of the present invention and promoted the opening utilance of magnetic core set effectively, therefore just need not as known technology, when a certain opening of magnetic core set is too crowded, must also change magnetic core set, the redesign magnetic element, even two groups of magnetic elements are set, thereby can avoid causing manpower, the loss of material resources.

Description of drawings

Fig. 1: it is the structural representation of known magnetic element.

Fig. 2 A: it is the structural representation of the winding base of the present invention's first preferred embodiment.

Fig. 2 B: it is the preferred construction schematic diagram with magnetic element of the winding base shown in Fig. 2 A.

Fig. 3: it is another preferred construction schematic diagram with magnetic element of the winding base shown in Fig. 2 A.

Fig. 4 A: it is the structural representation of the winding base of the present invention's second preferred embodiment.

Fig. 4 B: it is the magnetic element structural representation with the winding base shown in Fig. 4 A.

Description of reference numerals in the above-mentioned accompanying drawing is as follows:

Magnetic element

1,2,3,4

Winding base

10,20,30,40

First pin 101,203a, 303a, 403a

Second pin 102,205a, 305a, 405a

First winding 11,21,31,41

First end 111,211,311,411

Second winding 12,22,32,42

The second end 121,221,321,421

Magnetic core set

13,23,33,43

The first magnetic core 23a

The second magnetic core 23b

First opening 131,231,431

Second opening 132,232,332,432

Winding section 200,400

Passage 200a

The first side plate 200b

The second side plate 200c

Winding

region

200d, 400d

Hanging wire groove 200e

First extension 201,301,401

First pedestal 203,303,403

Second pedestal 205,305,405

First gap 207,407

Second extension 202,302,402

The 3rd pedestal 204,304,404

The

3rd pin

204a, 304a, 404a

All the people present's body 206,306,406

The

4th pin

206a, 306a, 406a

Second gap 208,308,408

Guide groove 209

The first gap width G1

The second gap width G2

First pin is to winding section distance D 1

Second pin is to winding section distance D 2

The 3rd pin is to winding section distance D 3

The 4th pin is to winding section distance D 4

The first pedestal width W 1

The second pedestal width W 2

The 3rd pedestal width W 3

All the people present's body width W 4

Embodiment

Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back segment.Be understood that the present invention can have various variations on different modes, it does not depart from the scope of the present invention, and explanation wherein and the accompanying drawing usefulness that ought explain in itself, but not in order to restriction the present invention.

See also Fig. 2 A and cooperate Fig. 2 B, wherein Fig. 2 A is the structural representation of the winding base of the present invention's first preferred embodiment, and Fig. 2 B then is the preferred construction schematic diagram with magnetic element of the winding base shown in Fig. 2 A.Shown in Fig. 2 A and Fig. 2 B, winding base 20 can be applicable to magnetic element 2, for example: transformer, but not as limit, magnetic element 2 comprises first winding 21 and second winding 22 at least, first winding 21 has a plurality of first ends 211, and second winding 22 comprises a plurality of the second ends 221, comprise winding section 200 as for winding base 20, first extension 201 and second extension 202, wherein first, second extension 201,202 by winding section 200 separations, and first, second extension 201,202 one of them is provided with the first end 211 of first winding 21 and the second end 221 of second winding 22 simultaneously at least, below will further specify the detailed structure of the winding base 20 of present embodiment.

Please consult Fig. 2 A again, first extension 201 of the winding base 20 of present embodiment is extended by a side of winding section 200, and comprise first pedestal 203 and second pedestal 205, first, second pedestal 203, has first gap 207 between 205, its width is G1, in addition, in the present embodiment, first, second pedestal 203,205 external form is identical in fact, for example: first pedestal 203 and second pedestal 205 can be the ladder type pedestal of the amplification that extended outwardly by winding section 200, and first, second pedestal 203,205 to be symmetrical arranged to good with respect to first gap 207, but not as limit, and first pedestal 203 also can comprise a plurality of first pin 203a, and it is extended by the edge of first pedestal 203 with respect to an end that is connected with winding section 200, and the first pin 203a is made of electric conducting material, for example: metal, the one end can be embedded in first pedestal 203, and the other end then is bent into one and colludes type, and terminal is approximately perpendicular to first pedestal 203; Second pedestal 205 also comprises the second pin 205a that a plurality of electric conducting materials are made, and the second pin 205a is identical with respect to the configuration mode of first pedestal 203 with the first pin 203a in fact with respect to the configuration mode of second pedestal 205, there is no institute as for the number of the first pin 203a and the second pin 205a limits, can increase and decrease according to the demand of magnetic element 2, therefore first extension 201 of winding base 20 can be by first, the second pin 203a, 205a and getting a foothold in circuit board (not shown), and can separate by first gap 207 between the second pin 405a of the first pin 403a of first pedestal 403 and second pedestal 405.

Be arranged at the opposite side that winding section 200 is provided with respect to first extension 201 as for second extension 202, first, second extension 201,202 is separated by winding section 200, second extension 202 can comprise the 3rd pedestal 204 and all the people present's body 206, and the width that three, can be provided with 208, the second gaps 208, second gap between all the people present's body 204,206 is G2.In the present embodiment, the external form of the 3rd pedestal 204 and all the people present's body 206 is identical in fact, and can be with first, second pedestal 203,205 is identical, in other words, the 3rd, all the people present's body 204,206 also can increase and be symmetrical in the ladder type pedestal of second gap, 208 settings for being extended outwardly by winding section 200, in addition, can be provided with a plurality of the 3rd pin 204a on the 3rd pedestal 204,206 of all the people present's bodies can be provided with a plurality of the 4th pin 206a, the because the 3rd, the 4th pin 204a, the form of 206a and with respect to the 3rd, all the people present's body 204, on 206 the relationship essence with first, the second pin 203a, 205a is similar, therefore second extension 202 of winding base 20 also can be by the 3rd, the 4th pin 204a, 206a and getting a foothold in circuit board (not shown), and the 3rd, the 4th pin 204a, 206a can be by the 3rd, all the people present's body 204,206 second gap 208 is separated.

Please consult Fig. 2 A again, the winding section 200 of winding base 20 comprises passage 200a, the first side plate 200b and the second side plate 200c, the first side plate 200b and the second side plate 200c setting that corresponds to each other, with in first, the second side plate 200b, define a winding region 200d between the 200c, passage 200a then axially runs through the first side plate 200b and the second side plate 200c, in the present embodiment, first of first extension 301, second pedestal 203, the 3rd of 205 and second extension 202, all the people present's body 204,206 can be extended by the first side plate 200b of winding section 200, and with one-body molded with the first side plate 200b be good, wherein first, second pedestal 203, the 205 and the 3rd, all the people present's body 204,206 all with the first side plate 200b near the side copline of winding region 200d, and protrude from the another side of the first side plate 200b relatively back to winding region 200d, be beneficial to auxiliary fixed magnetic core group 23 (shown in Fig. 2 B); As for a plurality of hanging wire groove 200e then can be set on the second side plate 200c, for example: four, its in order to the second end 221 of the first end 211 of first winding 21 of leader and/or second winding 22 with the outlet of fly line form, hanging wire groove 200e can be extended in parallel by the edge of the second side plate 200c, its position is to correspond respectively to first, second, the 3rd and all the people present's body 203,205,204,206 is good, and hanging wire groove 200e can protrude back to the side of winding region 200d slightly with respect to the second side plate 200c in fact, with auxiliary fixed magnetic core group 23 (shown in Fig. 2 B).In addition, winding base 20 also can be set up guide groove 209, and the guide groove 209 of present embodiment can be arranged at the edge in first pedestal 203 and second pedestal, 205 neighbour first gaps 207, and the edge in the 3rd pedestal 204 and all the people present's body 206 neighbour second gaps 208, directly be connected along guide groove 209 with the first end 211 of first winding 21 of leader and/or the second end 221 of second winding 22 with circuit board (not shown), and the winding base 20 of present embodiment and each parts thereof can be made with ejection formation by plastics, and with one-body molded be good, but not as limit.

Please consult Fig. 2 B again and cooperate Fig. 2 A, first winding 21 and second winding 22 of present embodiment can be the lead that is wound in the winding region 200d of winding section 200 around passage 200a, it can be coated by insulating material such as for example adhesive tape (not shown), yet in order to illustrate first winding 21 and second winding 22, in Fig. 2 B and not shown insulating material.First winding 21 comprises a plurality of first ends 211,22 of second windings comprise a plurality of the second ends 221, in the present embodiment, if second winding, 22 electric current transmitted are greater than first winding 21, then second winding 22 can use the line footpath to be thick lead than first winding 21 in fact, and it is too concentrated for fear of the thicker the second end 221 in second winding, 22 lines footpath, present embodiment is arranged at first end 211 on first pedestal 203 of first extension 201 and with the first pin 203a and electrically connects, can be arranged on as for 22 thicker of second windings of line footpath on the 3rd pedestal 204 and all the people present's body 206 of second pedestal 205 of first extension 201 and second extension 202, and respectively with the second pin 205a, the 3rd pin 204a and the 4th pin 206a electrically connect, for example: in the present embodiment, first winding 21 can comprise two groups of leads, wherein the initiating terminal of two groups of leads can be wound in wherein wantonly two first pin 203a, and enter the winding region 200d of winding section 200 along first pedestal 203, in after the default number of turn of foot, being wound on other the two first pin 203a along the terminal of first pedestal 203 again with these two groups of leads, in other words, just the first end 211 of first winding 21 on the initiating terminal of two groups of leads of first winding 21 and terminal are real-valued, and first end 211 is again by for example: scolder (not shown) firmly is arranged on the first pin 203a, to be connected with first pin 203a electric connection and structure, also can be set around winding region 200d as for second winding 22 according to the configuration mode similar to first winding 21, its the second end 221 then is arranged at second, the 3rd, all the people present's body 205,204, on 206 and with the second pin 205a, the 3rd pin 204a and the 4th pin 206a electrically and structure be connected, in the present embodiment, the second end 221 of part also optionally hang on the hanging wire groove 200e with the form of fly line, or directly electrically connect along the guide groove 209 of winding base 20 with circuit board (not shown), for example: Fig. 2 B wherein a second end 221 along 209 settings of the guide groove on second pedestal 205.

And be provided with first winding 21 and second winding 22 winding base 20 can with magnetic core set 23 assembly mutually, wherein magnetic core set 23 comprises the first magnetic core 23a and the second magnetic core 23b, the first magnetic core 23a can be arranged in fact on the first side plate 200b of winding section 200, and pass through with respect to first of first side plate 200b protrusion, second, the 3rd and all the people present's body 203,205,204,206 make the first magnetic core 23a locate with respect to the first side plate 200b, can be arranged at the second side plate 200c as for the second magnetic core 23b goes up and locatees with respect to the second side plate 200c by the hanging wire groove 200e that protrudes slightly with respect to the second side plate 200c, be located in first with the winding section 200 that will be wound with first winding 21 and second winding 22, the second magnetic core 23a, between the 23b, to obtain the magnetic element 2 shown in Fig. 2 B.The first magnetic core 23a wherein, the second magnetic core 23b closes first opening 231 and second opening 232 that the back definable goes out mutual correspondence with respect to winding base 20 assembly, first, second opening 231,232 area is identical in fact, and first extension 201 of winding base 20 is corresponding to first opening 231, in other words, first pedestal 203 of first extension 201, second pedestal 205 is stretched out by first opening 231,202 of second extensions of winding base 20 make the 3rd corresponding to second opening 232, all the people present's body 204,206 can be stretched out by second opening 232 of magnetic core set 23.First end 211 owing to present embodiment is arranged on first pedestal 203 of first extension 201 again, the second end 221 of second winding, 22 parts is arranged on second pedestal 205 of first extension 201, so wherein extension of winding base 20, be first extension 201 in the present embodiment, be provided with first, second end 211,221 simultaneously, and magnetic core set 23 comprises simultaneously also that corresponding to first opening 231 of first extension 201 first, second end 211,221 is placed in wherein.And because the distance between the second pin 205a of the first pin 203a of first pedestal 203 of first extension 201 and second pedestal 205 at least greater than the width G 1 in first gap 207, therefore just can be kept suitable safe distance by first gap 207 with the first end 211 of first pin 203a electric connection with the second end 221 that the second pin 205a electrically connects.

Should understand by above-mentioned explanation, if when second winding, the 22 lines footpath of present embodiment is thick, the second end 221 can be disperseed to be arranged at first extension 201 and second extension 202 of winding base 20, for example: the second end 221 of part is arranged at the 3rd of second extension 202, all the people present's body 204,206, the second end 221 of part then is arranged at second pedestal 205 of first extension 201, therefore be disposed at a side of corresponding magnetic core set 13 its first openings 131 compared to first end 111 totally, and the second end 121 is disposed at the known technology (as shown in Figure 1) of a side of corresponding magnetic core set 13 its second openings 132 totally, present embodiment can prevent that the second end 221 from concentrating on second opening 232 of magnetic core set 23 and too crowded problem by the thicker the second end 221 in part discrete lines footpath, thereby avoid interfering magnetic core set 23 assembly, and can further divide source of heat release.Again because even if first extension 201 of the winding base 20 of present embodiment is provided with first end 211 and the second end 221 simultaneously, yet it is arranged at first of first extension 201 respectively, second pedestal 203, on 205, and first, second pedestal 203, has first gap 207 between 205, so first, the second end 211,221 and first, the second pin 203a, the electrical safety distance can be kept by first gap 207 in the 205a junction, certainly, pressure reduction between also visual first winding 21 of the width G 1 in first gap 207 and second winding 22 and adjusting can meet safety standard to guarantee magnetic element 2.

And a plurality of first, second end 211,221 of the present invention with respect to first, second, third and the configuration mode of all the people present's body 203,205,204,206 be not limited to above-mentioned execution mode, the quantity of visual first, second end 211,221 is done configuration flexibly in addition.See also Fig. 3, it is another preferred construction schematic diagram with magnetic element of the winding base shown in Fig. 2 A.As shown in Figure 3, in the present embodiment, the structure of winding base 30 and the magnetic core set 33 in fact all structure with winding base 20 shown in Fig. 2 B of the present invention and magnetic core set 23 is identical, and first winding 31 comprises a plurality of first ends 311 equally, second winding 32 also comprises a plurality of the second ends 321, and in the present embodiment, if first end 311 numbers are greater than the number of the second end 321, in order to disperse a fairly large number of first end 311, the first end 311 of first winding 31 can be arranged at first pedestal 303 of first extension 301 of winding base 30, on the 3rd pedestal 304 of second pedestal 305 and second extension 302, and respectively with the first pin 303a, the second pin 305a and the 3rd pin 304a electrically connect, and second winding 32 is because the quantity of its second end 321 is less than first end 311, therefore configurable on all the people present's body 306 of second extension 302, and be connected with the 4th pin 306a.Therefore be provided with the first end 311 of first winding 31 and the second end 321 of second winding 32 jointly on second extension 302 of the winding base 30 of present embodiment, and second opening 332 of magnetic core set 33 also is equipped with first end 311 and the second end 321 simultaneously, and owing to separate by second gap 308 between the 4th pin 306a of the 3rd pin 304a of the 3rd pedestal 304 of second extension 302 and all the people present's body 306, therefore the second end 321 that first end 311 reaches and the 4th pin 306a electrically connects with the 3rd pin 304a electric connection just can make magnetic element 3 can meet safety standard by the suitable safe distance of second gap, 308 maintenances between the two.

And the form of winding base of the present invention is not limited to the mode shown in Fig. 2 A, and it also can change to some extent.See also Fig. 4 A and cooperate Fig. 4 B, wherein Fig. 4 A is the structural representation of the winding base of the present invention's second preferred embodiment, and Fig. 4 B is the magnetic element structural representation with the winding base shown in Fig. 4 A.Shown in Fig. 4 B and Fig. 4 A, the magnetic element 4 of present embodiment comprises winding base 40, first winding 41, second winding 42 and magnetic core set 43, wherein winding base 40 comprises winding section 400, first extension 401 and second extension 402, first extension 401 comprises first, second pedestal 403,405,402 of second extensions comprise the 3rd, all the people present's body 404,406, its with respect to the configuration of winding section 400 in fact with similar shown in Fig. 2 A, and comprise first gap 407 equally between first pedestal 403 and second pedestal 405, also comprise second gap 408 between the 3rd pedestal 404 and all the people present's body 406, in the present embodiment, first pedestal 403 is essentially the rectangle pedestal, and a plurality of first pin 403a to the winding section 400 distance D 1 in fact less than a plurality of second pin 405a to the winding section 400 distance D 2, in addition, the width of the side that a plurality of first pin 403a of first pedestal 403 extend is the width W 1 of first pedestal 403, the width of this side that a plurality of second pin 405a of second pedestal 405 extend then is the width W 2 of second pedestal 405, and the width W 1 of first pedestal 403 of present embodiment is in fact less than the width W 2 of second pedestal 405, in other words, second pedestal 405 also is protrusion than first pedestal 403, and stretches out in fact.

Please consult Fig. 4 A again, the 3rd pedestal 404 of second extension 402 in fact also is a rectangular configuration, its external form to first pedestal 403 is similar, and a plurality of the 3rd pin 404a to the winding section 400 distance D 3 in fact less than a plurality of the 4th pin 406a of all the people present's body 406 to the winding section 400 distance D 4, as for the width W 3 of the 3rd pedestal 404 in fact less than the width W 4 of all the people present's body 406, therefore all the people present's body 406 in fact than the 3rd pedestal 404 also for protruding and stretching out in fact.

Please consult Fig. 4 B again and cooperate Fig. 4 A, first winding 41 of present embodiment and second winding 42 can be the lead of the winding region 400d that is wound in winding section 400, it has a plurality of first ends 411 and the second end 421 respectively, and in the present embodiment, the voltage of second winding 42 is higher than first winding 41 in fact, therefore the second end 421 of second winding 42 can be arranged at second pedestal 405 of first extension 401 and all the people present's body 406 of second extension 402, and link to each other with the 4th pin 406a with the second pin 405a respectively, the first end 411 of first winding 41 then can be arranged at first pedestal 403 of first extension 401 and the 3rd pedestal 404 of second extension 402, and link to each other with the 3rd pin 404a with the first pin 403a respectively, since the 4th pin 406a of the second pin 405a of second pedestal 405 400 distance D 2 and all the people present's body 406 to the winding section to the winding section 400 distance D 4 in fact greater than the 3rd pin 404a of the first pin 403a of first pedestal 403 400 distance D 1 and the 3rd pedestal 404 to the winding section to the winding section 400 distance D 3, so the second end 421 and the second pin 405a of second winding 42, the 4th pin 406a junction just can prolong the distance between itself and the winding section 400 whereby, to keep electrical safety.And the winding base 40 that has disposed first winding 41 and second winding 42 can be again and magnetic core set 43 assembly, to obtain the magnetic element 4 shown in Fig. 4 B, wherein first opening 431 of magnetic core set 43 is corresponding to first extension 401, second opening 432 is then corresponding to second extension 402, hence one can see that, because first of the winding base 40 of present embodiment, second extension 401, all be provided with first simultaneously on 402, the second end 411,421, therefore first of magnetic core set 43, second opening 431,432 are equipped with first of first winding 41 and second winding 42 naturally simultaneously, the second end 411,421, in addition, because of first extension 401 comprises first gap 407, can be with first, second pedestal 403,405 are separated, second extension 402 also has second gap 408 and separates the 3rd, all the people present's body 404,406, so be arranged at second, all the people present's body 405, the second end 421 on 406 still can be arranged at first, the 3rd pedestal 403, first end 411 on 404 keeps suitable distance, even if therefore the first end 411 of magnetic element 4 its first windings 41 of present embodiment and the second end 421 of second winding 42 are arranged on first extension 401 and second extension 402 jointly, still can not influence the electrical security of magnetic element 4.

The explanation of embodiment by Fig. 4 A, Fig. 4 B as can be known, when the voltage of first winding 41 is lower than second winding 42, in order to the pedestal of first end 411 to be set, for example: the first, the 3rd pedestal 403,404 can need not in fact as the pedestal in order to configuration the second end 421, for example: the second, all the people present's body 405,406, must prolong the second, the

4th pin

405a, 406a to the winding section 400 distance, the use that therefore can further save winding base 40 materials is to reduce manufacturing cost.

Should understand by above-mentioned explanation, when if the voltage of second winding is lower than first winding, also can change on all the people present's body 406 that first end with first winding is arranged at second pedestal 405 of first extension 401 of the winding base 40 shown in Fig. 4 A and second extension 402, and the second end of second winding that voltage is lower is arranged on first pedestal 403 and the 3rd pedestal 404, to guarantee the electrical safety of magnetic element.Certainly, shown in Fig. 4 B, the configuration mode that first extension of winding base and second extension all are provided with first end and the second end simultaneously also can overlap the winding base 20 that is used for shown in Fig. 2 A; Certainly, Fig. 2 B and embodiment shown in Figure 3 also can adjust the pedestal size of winding base according to the voltage of winding, and the end of the winding that voltage is lower is disposed at the less pedestal of volume, to save the material and the cost of winding base.In addition, first of winding base 20 its first extensions 201 of Fig. 2 A of the present invention, second pedestal 203, separate the first pin 203a and the second pin 205a with first gap 207 between 205, then separate the 3rd pin 204a and the 4th pin 206a between the 3rd pedestal 204 of second extension 202 and all the people present's body 206 with second gap 208, winding base 40 shown in Fig. 4 A is as the same, yet should understand, in certain embodiments, if two adjacent first, second pin, or two the adjacent the 3rd, had enough safe distances between the 4th pin, then first extension and second extension in fact also can be designed to single pedestal respectively, in other words, first extension of winding base and second extension be not to comprise first, second, the 3rd, all the people present's body exceeds.

In sum, the present invention mainly utilizes the design of winding base, the first end of first winding and/or the second end of second winding are disperseed, with avoid known technology first end and the second end must be concentrated on respectively winding base both sides hanging wire the variety of problems that may cause, in other words, under the aperture area of same core group, first end and/or the second end can be disperseed by winding base of the present invention and promoted the opening utilance of magnetic core set effectively, therefore just need not as known technology, when a certain opening of magnetic core set is too crowded, must also change magnetic core set, the redesign magnetic element, even two groups of magnetic elements are set, thereby can avoid causing manpower, the loss of material resources.

In addition, the present invention by disperseing first winding first end and/or the second end of second winding, remove the convenience that can avoid interfering the assembly of magnetic core set and promote technology, also can divide source of heat release and prevent that magnetic element from damaging because of overheated.Moreover, the line of the lead of visual first, second winding of the present invention footpath thickness, end number etc. and make diversified flexible configuration with respect to winding base, and also can adjust the pedestal size of winding base, and just cooperate the size of pedestal to be configured according to the voltage of first, second winding, under the prerequisite that meets safety, to realize cost-effective purpose.Since above-mentioned plurality of advantages be known technology can't be obtained, therefore magnetic element of the present invention and winding base thereof have the value of industry.

Can appoint by those of ordinary skills even if the present invention has been described in detail by the above embodiments and to execute that the craftsman thinks and be to modify as all, not take off scope as the desire protection of attached claim institute.

Claims

1. winding base, it is applied to a magnetic element, and this magnetic element comprises one first winding and one second winding at least, and this first winding comprises a plurality of first ends, and this second winding comprises a plurality of the second ends, and this winding base comprises:

One winding section; And

One first extension and one second extension, its by this winding portion every;

Wherein, one of them is provided with this first end of this first winding and this second end of this second winding simultaneously at least for this first extension and this second extension.

2. winding base as claimed in claim 1, wherein this first extension comprises one first pedestal and one second pedestal, and this second extension comprises one the 3rd pedestal and all the people present's body.

3. winding base as claimed in claim 2 wherein comprises one first gap between this first pedestal of this first extension and this second pedestal, and comprises one second gap between the 3rd pedestal of this second extension and this all the people present's body.

4. winding base as claimed in claim 2, wherein this first pedestal of this first extension and this second pedestal are respectively equipped with a plurality of first pins and a plurality of second pin, and the 3rd pedestal of this second extension and this all the people present's body are respectively equipped with a plurality of the 3rd pins and a plurality of the 4th pin.

5. winding base as claimed in claim 4, wherein described a plurality of first ends of this first winding are arranged on the 3rd pedestal of this first pedestal of this first extension and this second extension, and electrically connect with this first pin and the 3rd pin respectively, and described a plurality of the second ends of this second winding are arranged on this all the people present's body of this second pedestal of this first extension and this second extension, and electrically connect with this second pin and the 4th pin respectively.

6. winding base as claimed in claim 5, wherein the voltage of this second winding is higher than the voltage of this first winding in fact.

7. winding base as claimed in claim 6, wherein described a plurality of first pins of this first pedestal to the distance of this winding section in fact less than described a plurality of second pins of this second pedestal distance to this winding section, and the width of this first pedestal is in fact less than the width of this second pedestal, described a plurality of the 3rd pins of the 3rd pedestal to the distance of this winding section in fact less than described a plurality of the 4th pins of this all the people present's body distance to this winding section, and the width of the 3rd pedestal is in fact less than the width of this all the people present's body.

8. winding base as claimed in claim 4, wherein described a plurality of first ends of this first winding are arranged on this first pedestal of this first extension and with this first pin and electrically connect, and described a plurality of the second ends of this second winding are arranged at respectively on the 3rd pedestal and this all the people present's body of this second pedestal of this first extension and this second extension, and electrically connect with this second pin, the 3rd pin and the 4th pin respectively.

9. winding base as claimed in claim 4, wherein described a plurality of first ends of this first winding are arranged on the 3rd pedestal of this first pedestal of this first extension and this second pedestal and this second extension, and electrically connect with this first pin, this second pin and the 3rd pin, described a plurality of the second ends of this second winding are arranged on this all the people present's body of this second extension and with the 4th pin and electrically connect.

10. winding base as claimed in claim 2, wherein this winding section also comprises a passage, one first side plate and one second side plate, this passage runs through this first side plate and this second side plate, and forming a winding region between this first side plate and this second side plate, this first winding and this second winding are arranged in this winding region.

11. winding base as claimed in claim 10, wherein the 3rd pedestal of this first pedestal of this first extension, this second pedestal and this second extension, this all the people present's body by integral forming ground are extended by this first side plate of this winding section.

12. winding base as claimed in claim 10, wherein this second side plate is provided with a plurality of hanging wire grooves, and it is extended by this second side plate edge.

13. winding base as claimed in claim 1, it also comprises a guide groove.

14. winding base as claimed in claim 1, wherein this magnetic element also comprises a magnetic core set, this magnetic core set comprises one first opening and one second opening, and this of this winding base first extension and this second extension are extended by this first opening and this second opening of this magnetic core set respectively.

15. a magnetic element, it comprises:

One winding base, it comprises a winding section, one first extension and one second extension, this first extension and this second extension by this winding portion every;

One first winding and one second winding, it is arranged at this winding section of this winding base, and comprises a plurality of first ends and a plurality of the second end respectively; And

One magnetic core set, it holds this winding section, this first winding and this second winding of receiving this winding base, and comprises one first opening and one second opening;

Wherein, this of this winding base first extension and this second extension are extended by this first opening and this second opening of this magnetic core set respectively, and this first extension and this second extension one of them is provided with this first end of this first winding and this second end of this second winding simultaneously at least.

16. magnetic element as claimed in claim 15, wherein this of this winding base first extension comprises one first pedestal and one second pedestal, and this second extension comprises one the 3rd pedestal and all the people present's body.

17. magnetic element as claimed in claim 16 wherein comprises one first gap between this first pedestal of this of this winding base first extension and this second pedestal, and comprises one second gap between the 3rd pedestal of this second extension and this all the people present's body.