CN101645345B - Conductive winding structure - Google Patents
Conductive winding structure Download PDFInfo
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- CN101645345B CN101645345B CN200810145359A CN200810145359A CN101645345B CN 101645345 B CN101645345 B CN 101645345B CN 200810145359 A CN200810145359 A CN 200810145359A CN 200810145359 A CN200810145359 A CN 200810145359A CN 101645345 B CN101645345 B CN 101645345B
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Abstract
The invention relates to a conductive winding structure and a magnetic element applying the conductive winding structure. The conductive winding structure comprises a plurality of conductive units which are provided with a hollow hole respectively, and a plurality of output ends which are respectively arranged on the different conductive units, wherein the plurality of conductive units are mutually oppositely arranged so that the plurality of hollow holes correspond to one another to form a penetrating channel and form at least three output ends which are arranged in a staggering way and are used for being inserted on a circuit board. The conductive winding structure can be wound into a plurality of rings without breaking, so the volume of a transformer is reduced, the structure of the transformer is simplified and the assembly time is shortened. Moreover, the conductive winding structure has at least three output ends, so the application of the magnetic element is wider.
Description
Technical field
The present invention relates to a kind of conductive winding structure and use the magnetic element of this conductive winding structure, refer to a kind of slim conductive winding structure especially and use the magnetic element of this conductive winding structure.
Background technology
Generally speaking; Standing in the electric equipment have many magnetic elements, like transformer, inductance element etc., and in order to adapt to the slimming of electric equipment; Magnetic element and the inner conductive winding of using also need the trend development towards slimming, to reduce the overall volume of electric equipment.
With the transformer is example, is lead is wound on the winding base with elementary coiling and secondary rolling thread as transformer knownly, supplies elementary, secondary rolling thread to twine because winding base must keep certain space, therefore is difficult to reduce the volume of transformer.In addition because a lead only has two ends, therefore utilize curved around the made conductive winding of mode only can extend two outputs, also limited the range of application of this conductive winding.
The no doubt existing at present technology of utilizing the copper sheet that cuts to process conductive winding replacement transformer coiling; Can dwindle the thickness of conductive winding, but it equally only is provided with output at both ends, thereby has limited the range of application of this conductive winding; See also Fig. 1; It is the structural representation of the 7th, 091, No. 817 transformers that patent disclosed of the U.S..As shown in Figure 1, known transformer 1 comprises drum stand 10, elementary coiling (not shown), a plurality of conducting strip 12 and magnetic core set 13.Drum stand 10 has frame type surface 101; Itself and 102, the 103 vertical and bindings of two wall shape structures; This wall shape structure 102,103 is parallel to each other and forms a winding slot 104 with the elementary coiling of winding; And the dual-side in this wall shape structure 102,103 extends tabs 105 and 106, to form two side guiding grooves 107, in order to this conducting strip 12 of ccontaining correspondence.Magnetic core set 13 is made up of one first magnetic core component 131 and 132 of second magnetic core components.In addition, conducting strip 12 is processed by copper sheet, with the secondary rolling thread as transformer 1.Conducting strip 12 is the individual pen structure; And conducting strip 12 has an opening 121 in a side, makes it and is " ㄇ " font structure substantially, and conducting strip 12 openings 121 capable of using insert in the guiding groove 107 thus; Inserting and to be fixed in the drum stand 10, and directly be connected with system circuit board.
Though the conducting strip 12 with individual pen can make the volume of transformer 1 reduce as secondary rolling thread effectively; But when increasing the number of turns of secondary rolling thread; Then need increase the quantity of conducting strip 12, and need have corresponding guiding groove 107 to be installed with the conducting strip of increase, thereby the volume of transformer 1 is increased.
In addition,, therefore utilize conducting strip 12 made conductive winding only can extend two outputs, also limited the range of application of this kind conductive winding because each conducting strip 12 only has two ends; And, must utilize welding to wait processing mode to set up separately again if will increase the output of conductive winding, make manufacturing process become loaded down with trivial details tediously long.Hence one can see that, and existing technology all is difficult to take into account dwindles conductive winding thickness and promote requirements such as conductive winding conductivity.
In view of this, how to develop a kind of conductive winding and use the magnetic element of this conductive winding, to overcome many defectives of prior art, real problem for the correlative technology field person solution that presses at present.
Summary of the invention
The magnetic element that main purpose of the present invention is that a kind of conductive winding structure is provided and uses this conductive winding structure; This conductive winding structure can not enclosed coiling more with breaking; To reduce volume of transformer, simplify transformer device structure and to shorten built-up time; And this conductive winding structure has at least three outputs, so that the application of this magnetic element is more extensive.
For achieving the above object, of the present invention one than the broad sense form of implementation for a kind of conductive winding structure is provided, be applied in the magnetic element, this conductive winding structure comprises: an end has a broken line; A plurality of conductive units; It has one first body and one second body respectively; Wherein said first body and second body have a hollow bore respectively, and said first body and said second body be to be connected with said end, make said second body and said first body along this broken line folding; And the said hollow bore of said second body is corresponding to the said hollow bore of said first body, to form consistent break-through road; And a plurality of outputs, it is arranged at respectively on the different said conductive units; Wherein, Said second body of said each conductive unit is corresponding to the said second body setting of adjacent said conductive unit; So that the said penetrating via of said a plurality of conductive units is corresponding each other; And form at least three said outputs that are crisscross arranged, in order to directly to be inserted on the circuit board.
The present invention also provides a kind of conductive winding structure, is applied in the magnet assembly, and this conductive winding structure comprises: a plurality of connecting portions have a plurality of broken lines; A plurality of conductive units, wherein two adjacent said conductive units between be connected with a said connecting portion, and said a plurality of conductive unit has a hollow bore respectively; A plurality of outputs, it is arranged at respectively on said a plurality of conductive unit; Wherein, said a plurality of conductive units make the setting that corresponds to each other of the hollow bore of each said conductive unit with said a plurality of broken line foldings, and at least three said outputs that are crisscross arranged with formation are in order to directly to be inserted on the circuit board.
For reaching aforementioned purpose, of the present invention another than the broad sense form of implementation for a kind of magnetic element is provided, it comprises: conductive winding structure, this conductive winding structure comprises: a plurality of conductive units, it has hollow bore respectively; And a plurality of outputs, it is arranged at respectively on the different conductive units; Wherein, a plurality of conductive units are positioned opposite to each other, so that a plurality of hollow bore is corresponding to each other the formation penetrating via, and forms at least three outputs that are crisscross arranged, in order to directly to be inserted on the circuit board; And magnetic core set, it is arranged in the penetrating via of conductive winding structure at least in part.
Description of drawings
Fig. 1 is the structural representation of the 7th, 091, No. 817 known transformers that patent disclosed of the U.S..
Fig. 2 A is the original shape pattern structural representation of first conductive unit of formation first preferred embodiment of the invention.
Fig. 2 B is the sketch map that structure shown in Fig. 2 A folds first conductive unit that constitutes.
Fig. 2 C is the structural representation of the conductive winding structure of formation first preferred embodiment of the invention.
Fig. 2 D is the package assembly sketch map of structure shown in Fig. 2 C.
Fig. 3 A is for using the transformer device structure sketch map of the conductive winding structure shown in Fig. 2 D.
Fig. 3 B is the combining structure sketch map of structure shown in Fig. 3 A.
Fig. 4 A is the original shape pattern structural representation of the conductive winding structure of formation second preferred embodiment of the invention.
Fig. 4 B is the sketch map that structure shown in Fig. 4 A folds the conductive winding structure that constitutes.
Fig. 5 A is for using the transformer device structure sketch map of the conductive winding structure shown in Fig. 4 B.
Fig. 5 B is the combining structure sketch map of structure shown in Fig. 5 A.
Wherein, description of reference numerals is following:
1,2,3: transformer 10,21,31: drum stand
12: conducting strip 13,23,33: magnetic core set
101: frame type surface 102,103: wall shape structure
104,211,311: winding slot 105,106: tabs
107: guiding groove 131,231,331: the first magnetic core components
132,232,332: the second magnetic core components 121: opening
212: penetrating via 213,3231,3232,3233: output
22,32: conductive winding structure 22A: first conductive unit
22B: 221: the first bodies of second conductive unit
224a: the first output 224b: second output
225: breach 226,227,3214: hollow bore
228,326: insulating barrier 229: penetrating via
231a, 232a, 331a, 332a: axle center part 321: conductive unit
322: connecting portion 3211: main body
3212: first end 3213: the second end
3215: breach 3216,3223: first surface
3217,3224: 3218: the first penetrating vias of second surface
3222: the second sides of 3221: the first sides
324: the second junctions, 323: the first junctions
325: 312: the second penetrating vias of bending line
Y: center line A1A1 ': line segment
A, B, B1: folding direction d: distance
Embodiment
Some exemplary embodiments that embody characteristic of the present invention and advantage are with being described in detail in the explanation hereinafter.Be understood that the present invention can have various variations different in form, it does not all depart from the scope of the present invention, and explanation wherein and accompanying drawing be used as the usefulness of explanation in itself, but not in order to restriction the present invention.
See also Fig. 2 A, it is the original shape pattern structural representation of first conductive unit of first preferred embodiment of the invention.As shown in the figure, conductive winding structure 22 of the present invention is that the metallic conduction sheet by monolithic cuts and processes, and wherein the metallic conduction sheet can be Copper Foil, but not as limit.In the present embodiment; Conductive winding structure 22 is mainly formed (shown in Fig. 2 C) by the first conductive unit 22A, the second conductive unit 22B and a plurality of output 224a, 224b; Wherein the first conductive unit 22A comprises first body 221 and second body 222, and first body 221 is to be connected with an end 223 with second body 222, in certain embodiments; First body 221 and second body 222 can be the annular with breach 225 substantially; And have hollow bore 226,227 respectively, and be connected with integrally formed mode with an output separately, first body 221 has identical profile substantially with second body 222; And first body 221 is connected with the first output 224a and the second output 224b respectively with second body 222; Wherein, the first output 224a is arranged on the extended spot of hollow bore 226 center line Y, and the second output 224b then is arranged on the line stretcher of hollow bore 227 sides.In addition, the first conductive unit 22A also has an insulating barrier 228, and this insulating barrier 228 coats first body 221 and second body 222 substantially, and exposes the first output 224a and the second output 224b.
Please consult Fig. 2 A and Fig. 2 B simultaneously, first body 221 and second body 222 substantially can line segment A
1A
1' be broken line, make second body 222 along B
1The folding back of direction is close to first body 221 or contacts.When first body 221 and second body 222 with line segment A
1A
1' for broken line folding after; Hollow bore 226 can be corresponding to hollow bore 227; Forming consistent break-through road 229, and the first output 224a and the second output 224b form two relative outputs (shown in Fig. 2 B), is two circles and the first conductive unit 22A that do not break to constitute the number of turns thus.Certainly, conductive unit of the present invention also can comprise a plurality of extension portion, according to identical principle and framework, can realize a plurality of number of turns of tool and the conductive unit that does not break.In addition, the profile of conductive unit of the present invention is not limited to annular, also can be for example rectangle.
Please consult Fig. 2 C and Fig. 2 D simultaneously, sketch map is accomplished in its structural representation and assembling that is respectively the conductive winding structure of first preferred embodiment of the invention.As shown in the figure, the structure of the second conductive unit 22B is identical with the first conductive unit 22A with assembling mode, so repeat no more at this.And when the first conductive unit 22A and the second conductive unit 22B carried out the assembling shown in Fig. 2 C and Fig. 2 D; Be that second body 222 with the first conductive unit 22A is provided with corresponding to second body 222 of the second conductive unit 22B; And make the penetrating via 229 of the first conductive unit 22A corresponding each other with the penetrating via 229 of the second conductive unit 22B; At this moment; Because the first output 224a is arranged on the extended spot of hollow bore 226 center line Y; Thereby at the first conductive unit 22A with second conductive unit 22B is corresponding when being provided with; The first output 224a overlapping setting of the first conductive unit 22A, and the then corresponding respectively both sides that are arranged at the first output 224a of the second output 224b of the second output 224b of the first conductive unit 22A and the second conductive unit 22B corresponding to the first output 224a of the second conductive unit 22B, thus; Conductive winding structure 22 can form at least three outputs that are crisscross arranged jointly by the first conductive unit 22A and the second conductive unit 22B, is output 224b, 224a and 224b.
In addition; For the assembling that makes the first conductive unit 22A and the second conductive unit 22B more firm; Also optionally between the first conductive unit 22A and the second conductive unit 22B, be coated with a gluing element (not shown); Viscose glue for example is so that the first conductive unit 22A and the second conductive unit 22B are interconnected, so that the assembling of conductive winding structure 22 is more firm.
See also Fig. 3 A and Fig. 3 B, it is for using the transformer device structure sketch map and the constitutional diagram of the conductive winding structure shown in Fig. 2 D.As shown in the figure; Transformer 2 mainly comprises an elementary winding construction, a plurality of conductive winding structure 22 and 23 compositions of a magnetic core set, and in certain embodiments, elementary winding construction comprises a drum stand 21 and an elementary coiling (not shown); Drum stand 21 has a winding slot 211 and consistent break-through road 212; Use for elementary coiling and twine on it, in addition, also have a plurality of outputs 213 on the drum stand 21; In order to be connected, so that this elementary coiling can be electrically connected with circuit board 4 (shown in Fig. 3 B) with elementary coiling.In further embodiments, elementary winding construction also can be one be embedded with elementary coiling a circuit board or a line cake structure, its execution mode can be appointed according to the actual fabrication situation and executed variation, not as limit.
In the present embodiment, shown in Fig. 3 A, when transformer 2 is assembled; One conductive winding structure 22 is provided with corresponding to drum stand 21, and the penetrating via 229 that makes conductive winding structure is corresponding to the penetrating via on the drum stand 21 212, certainly; The opposite side of drum stand 21 also can be provided with another conductive winding structure 22 by the same manner, makes the axle center part 231a of first magnetic core component 231 and second magnetic core component 232, through hole 229 that 232a passes conductive winding structure 22 at least in part and the penetrating via 212 of drum stand 21 again, and electromagnetic induction effect capable of using thus makes elementary winding construction and conductive winding structure 22 as secondary winding produce induced voltages; To reach the purpose of voltage transitions; And the structure of the transformer 2 of completion shown in Fig. 3 B, thus, 2 conductive winding structure that have a plurality of number of turns and do not break of transformer; And; Conductive winding structure 22 has at least three output 224b, 224a and 224b that are crisscross arranged, and these three outputs can be plugged on the circuit board 4, and wherein this circuit board 4 can be an auxiliary circuit board; Or a system circuit board, all not as limit.
In addition; Firm for the assembling that makes transformer 2, can also optionally between the inner surface of first magnetic core component 231 and second magnetic core component 232, form gluing element (not shown), for example viscose glue; Through the use of gluing element, can make the assembling of transformer 2 more firm.
In addition, in certain embodiments, also can be directly with a plurality of conductive winding structure 22 collocation magnetic core set 23; Make conductive winding structure 22 produce induced voltage through the electromagnetic induction effect; To form an inductance element, its structure is identical with assembling mode and previous embodiment, so repeat no more at this.
See also Fig. 4 A, it is the original shape pattern structural representation of the conductive winding structure of formation second preferred embodiment of the invention.As shown in the figure, conductive winding structure 32 of the present invention is cut by the metallic conduction sheet of monolithic and processes, and wherein the metallic conduction sheet can be Copper Foil, but not as limit.Conductive winding structure 32 mainly comprises a plurality of conductive unit 321, a plurality of connecting portion 322 and a plurality of output.In the present embodiment; To be that example is explained the present invention's technology with conductive winding structure 32 with 4 conductive units 321; Wherein, Connect with a junction 322 between the two adjacent conductive unit 321, each conductive unit 321 all comprises main body 3211, first end 3212, the second end 3213, first surface 3216 and second surface 3217.In certain embodiments, main body 3211 can be the annular with breach 3215 substantially, and not as limit, and has a hollow bore 3214 in main body 3211 central authorities.In addition, the second surface 3217 of conductive unit 321 is positioned at the back side of metallic conduction sheet, and relative with first surface 3216.And the first surface 3216 of each conductive unit 321 all is provided with in the same direction, and second surface 3217 also is provided with in the same direction.
Connecting portion 322 has corresponding first side 3221 and second side 3222; Wherein first side 3221 is connected with the first end 3212 of adjacent conductive unit 321 and forms first junction, 323, the second sides 3222 and then is connected with the second end 3213 of another adjacent conductive unit 321 and forms second junction 324.In addition; Connecting portion 322 also has first surface 3223 and second surface 3224; And the first surface 3223 of connecting portion 322 is same plane with the first surface 3216 of conductive unit 321, and 3224 second surfaces 3217 with conductive unit 321 of second surface are same plane.
And; Extend output 3231,3232 respectively downwards at the first end 3212 of first conductive unit 321 and the second end 3213 of last conductive unit 321; In addition; At least one conductive unit 321 of the conductive unit 321 in the middle of being arranged to extending below, and extends an output 3233 downwards from first end 3212 or the second end 3213 from the center line of hollow bore 3214.In addition, conductive winding structure 32 also comprises an insulating barrier 326, and this insulating barrier 326 coats a plurality of conductive units 321 and connecting portion 322 substantially, and exposes output 3231,3232 and 3233.
Please consult Fig. 4 A and Fig. 4 B simultaneously; With the present embodiment is example, conductive winding structure 32 substantially can first junction 323 and second junction 324 be broken line, first side 3221 of connecting portion 322 is folding towards the A direction; So that the second surface 3224 of connecting portion 322 is pressed close to the second surface 3217 of conductive unit 321; And second side 3222 of connecting portion 322 is folding towards the B direction, the first surface 3223 of connecting portion 322 and the first surface 3216 of conductive unit 321 are pressed close to, yet in the present embodiment; Because the center line of the center hole 3214 of two conductive units 321 in the middle of being arranged at extends to respectively on the second end 3213 and the first end 3212; Therefore the connecting portion 322a that is arranged between this two conductive unit 321 is longer than the connecting portion 322 that connects other conductive unit 321 in fact, so when folding connecting portion 322a, be to be broken line with first junction 323 and bending line 325; Wherein the bending line 325 and first junction 323 is equal to the length of other connecting portion 322 in fact apart from d; Earlier that first side 3221 of connecting portion 322a is folding towards the C direction, the second surface 3224 of connecting portion 322a and the second surface 3217 of conductive unit 321 are pressed close to, then; The 3rd side 3225 that is adjacent to bending line 325 is folding towards the D direction; The first surface 3223 of connecting portion 322a is pressed close to the first surface 3216 of conductive unit 321, and made the setting that corresponds to each other of the hollow bore 3214 of each conductive unit 321, to form one first penetrating via 3218 (shown in Fig. 4 B).
Please consult Fig. 4 B again; It is the sketch map that structure shown in Fig. 4 A folds the conductive winding structure that constitutes; As shown in the figure; When the folding back of unitary piece of metal conducting strip forms the conductive winding structure 32 how circle does not break; Because the conductive unit 321 in the middle of being arranged at extends output 3233 downwards from the center line of its hollow bore 3214, the conductive winding structure 32 after therefore folding has at least three outputs 3231,3232 and 3233, and output the 3231, the 3232nd, is center and being crisscross arranged relatively with output 3233.Certainly; Conductive winding structure of the present invention also can comprise a plurality of identical extension portions; More conductive unit 321 and connecting portion 322 promptly are set,, can realize the conductive winding structure that has more number of turns and do not break according to identical principle and framework; Need not utilize other media to connect each circle to reach, and can reduce the advantage of volume of transformer.In addition, the profile of conductive winding structure of the present invention is not limited to annular, also can be rectangle or polygon, but not as limit.
See also Fig. 5 A, it is for using the transformer device structure sketch map of the conductive winding structure shown in Fig. 4 B.As shown in the figure; Transformer 3 mainly comprises an elementary winding construction, at least one conductive winding structure 32 and 33 compositions of a magnetic core set; In certain embodiments; Elementary winding construction comprises a drum stand 31 and elementary coiling (not shown), and drum stand 31 has a winding slot 311 and one second penetrating via 312, uses for an elementary coiling to twine on it.In further embodiments, elementary winding construction also can be one be embedded with elementary coiling a circuit board or a line cake structure, its execution mode can be appointed according to real-life operational situation and executed variation, not as limit.Magnetic core set 33 comprises first magnetic core component 331 and second magnetic core component 332, and its structure and previous embodiment are similar, so repeat no more.
In the present embodiment, shown in Fig. 5 A, when transformer 3 is assembled; Make second penetrating via 312 of first penetrating via 3218 of conductive winding structure 32, make first penetrating via 3218 corresponding each other with second penetrating via 312 and communicate with each other and be provided with corresponding to drum stand 31, certain; Another opposite side at drum stand 31 also can be provided with conductive winding structure 32 by the same manner, then, makes axle center part 331a, the 332a of first magnetic core component 331 and second magnetic core component 332 pass first penetrating via 3218 of conductive winding structure 32 and second penetrating via 312 of drum stand 31 at least in part again; Thus so that elementary winding construction with produce induced voltages as the conductive winding structure of secondary winding 32, reaching the purpose of voltage transitions, and form the structure of the transformer 3 shown in Fig. 5 B; Thus; The conductive winding structure that transformer 3 promptly has a plurality of number of turns and do not break, and, in the present embodiment; Each conductive winding structure 32 has at least three outputs; Be output 3231,3232 and 3233, and these three outputs can be plugged on the circuit board (not shown), wherein this circuit board can be an auxiliary circuit board; Or a system circuit board, all not as limit.
Certainly; Firm for the assembling that makes transformer 3, can also optionally between the inner surface of first magnetic core component 331 and second magnetic core component 332, form gluing element (not shown), for example viscose glue; Through the use of gluing element, can make the assembling of transformer 3 more firm.
In addition, in certain embodiments, also can be directly with a plurality of conductive winding structure 32 collocation magnetic core set 33; Make conductive winding structure 32 produce induced voltage through the electromagnetic induction effect; To form an inductance element, its structure is identical with assembling mode and previous embodiment, so repeat no more at this.
In sum; The magnetic element that the present invention provides a kind of conductive winding structure and uses this conductive winding structure; This conductive winding structure can not enclosed coiling more with breaking, need not to utilize other medium to connect each circle, thus the volume that reduces loss and reduce magnetic element.In addition; It is more easy and save advantage such as built-up time that the conductive winding structure that many circles that magnetic element of the present invention has do not break not only has the assembling that can simplify package assembly, make transformer; Also have at least three outputs that are crisscross arranged, make that the application of magnetic element is more extensive.
The present invention can be appointed by those skilled in the art and executes the craftsman and think and make various modifications, but does not all take off as attaching claims scope required for protection.
Claims (7)
1. a conductive winding structure is applied in the magnetic element, and this conductive winding structure comprises:
One end has a broken line;
A plurality of conductive units; It has one first body and one second body respectively; Wherein said first body and second body have a hollow bore respectively, and said first body and said second body be to be connected with said end, make said second body and said first body along this broken line folding; And the said hollow bore of said second body is corresponding to the said hollow bore of said first body, to form consistent break-through road; And
A plurality of outputs, it is arranged at respectively on the different said conductive units;
Wherein, Said second body of said each conductive unit is corresponding to the said second body setting of adjacent said conductive unit; So that the said penetrating via of said a plurality of conductive units is corresponding each other; And form at least three said outputs that are crisscross arranged, in order to directly to be inserted on the circuit board.
2. conductive winding structure as claimed in claim 1, wherein said output and said conductive unit are one of the forming, and wherein at least one said output is arranged on the line stretcher at said hollow bore center.
3. conductive winding structure as claimed in claim 1, wherein this magnetic element also comprises a magnetic core set, and this magnetic core set is arranged in this penetrating via of this conductive winding structure at least in part.
4. conductive winding structure as claimed in claim 1, wherein this magnetic element is an inductance element or a transformer, and this transformer comprises an elementary coiling, and this elementary coiling is wound on the drum stand.
5. conductive winding structure as claimed in claim 1, wherein this conductive winding structure is that metallic conduction sheet by monolithic cuts and processes, and this metallic conduction sheet is made up of Copper Foil.
6. conductive winding structure as claimed in claim 1, wherein this conductive winding structure also comprises an insulating barrier, and this insulating barrier is covered on the said conductive unit.
7. conductive winding structure as claimed in claim 1, wherein this circuit board is a system circuit board or an auxiliary circuit board.
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| CN200810145359A CN101645345B (en) | 2008-08-07 | 2008-08-07 | Conductive winding structure |
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|---|---|---|---|
| CN200810145359A CN101645345B (en) | 2008-08-07 | 2008-08-07 | Conductive winding structure |
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| CN101645345B true CN101645345B (en) | 2012-09-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102194565A (en) * | 2010-03-11 | 2011-09-21 | 康舒科技股份有限公司 | Winding structure of transformer |
| CN102592809A (en) * | 2011-01-14 | 2012-07-18 | 昱京科技股份有限公司 | Double-sided secondary side laminated transformer |
| CN103985527B (en) * | 2013-02-07 | 2016-09-07 | 台达电子工业股份有限公司 | Hollow sleeve and the combining structure of conducting strip, hollow sleeve and conducting strip |
| US10062496B2 (en) | 2015-02-26 | 2018-08-28 | Lear Corporation | Planar transformer |
| US20170004920A1 (en) * | 2015-06-30 | 2017-01-05 | Cyntec Co., Ltd. | Magnetic component and method of manufacturing magnetic component |
| CN105405609B (en) * | 2015-12-16 | 2018-01-30 | 东莞市昱懋纳米科技有限公司 | Filter inductor |
| CN107452485A (en) * | 2017-09-08 | 2017-12-08 | 天宝电子（惠州）有限公司 | A kind of assembly type transformer |
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|---|---|---|---|---|
| EP0662699A1 (en) * | 1994-01-10 | 1995-07-12 | Hughes Aircraft Company | A helical induction coil, a device for forming and a method of making same |
| CN1413351A (en) * | 1999-11-15 | 2003-04-23 | 第一电源公司 | Continuous multi-turn coils |
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- 2008-08-07 CN CN200810145359A patent/CN101645345B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0662699A1 (en) * | 1994-01-10 | 1995-07-12 | Hughes Aircraft Company | A helical induction coil, a device for forming and a method of making same |
| CN1413351A (en) * | 1999-11-15 | 2003-04-23 | 第一电源公司 | Continuous multi-turn coils |
Non-Patent Citations (1)
| Title |
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| JP昭59-23510A 1984.02.07 |
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