CN100543891C - Transformer device structure - Google Patents
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- CN100543891C CN100543891C CNB2006100092102A CN200610009210A CN100543891C CN 100543891 C CN100543891 C CN 100543891C CN B2006100092102 A CNB2006100092102 A CN B2006100092102A CN 200610009210 A CN200610009210 A CN 200610009210A CN 100543891 C CN100543891 C CN 100543891C
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Abstract
The present invention is a kind of transformer device structure, wherein comprises: the main coiling; Secondary rolling thread; First winding section, it is in order to twine the main coiling; Second winding section, it is respectively in order to twine secondary rolling thread; The interval plate, it is arranged at respectively between first winding section and second winding section, and has holding part; Run through portion, it runs through first winding section, second winding section and interval plate; Iron core group, it comprises I sections core and U sections core, have a plurality of protuberances between the dual-side of U sections core, I sections core segment is placed in the portion of running through, the protuberance of U sections core is to insert in the holding part of plate at interval, by the protuberance of U sections core and be placed in I sections core in the portion of running through between distance adjust the leakage inductance of transformer.
Description
Technical field
The invention relates to a kind of transformer device structure, refer to a kind of transformer whose drain inductance structure that increases especially.
Background technology
Transformer is the electronic building brick that often uses in the various electric equipments.See also Fig. 1, it is the structural representation of a traditional transformer.As shown in Figure 1, this transformer 1 mainly comprises an iron core group 11, a winding base 12,13 and level coilings 14 of main coiling etc.Wherein, main coiling 13 and secondary rolling thread 14 be up and down lap wound in the winding region of winding base 12, and with an adhesive tape 15 separation insulated from each other.Iron core group 11 can be arranged at axle center 111 in the sleeve pipe 121 of winding base 12, makes iron core group 11 and main coiling 13 and secondary rolling thread 14 produce the electromagnetic coupled induction, to reach the purpose of voltage transitions.
The control of transformer leakage inductance (leakage inductance) is very important to power supply changeover device, because it will have influence on the power conversion efficiency of power supply changeover device.For promoting the power conversion efficiency of power supply changeover device, correlation technique has been devoted to increase the coupling efficiency of transformer coiling, reduces leakage inductance, and then reduces the energy loss of voltage transitions.In transformer device structure shown in Figure 1, since main coiling 13 and secondary rolling thread 14 be up and down lap wound in the winding region of winding base 12, therefore main coiling 13 forms less magnetic leakage with secondary rolling thread 14, coiling coupling efficiency (coupling coefficient) increases, leakage inductance reduces, energy loss through the transformer changing voltage is less, can promote the power conversion efficiency of power supply changeover device thus.
Yet in the power system of electronic products of new generation such as LCD TV, transformer is a main flow with the transformer of tool leakage inductance type.The LC resonant circuit that the electric current of power system can be earlier constituted through the intrinsic leakage inductance L of a transformer primary and a capacitance component C; Simultaneously, the electric current that is similar to half sine wave can pass through power field effect transistor switch.When electric current was zero, switch was conducting, and when returning zero through half sinusoidal wave after-current, switch will cut out.Adopt this soft switch designs, can reduce the switching loss and reduction noise of switch module with resonant circuit.
The mode that increases transformer leakage inductance has many kinds, and it mainly is that the main coiling is separated a specific range with secondary rolling thread, reduces the coiling coupling efficiency, to increase the leakage inductance of transformer.See also Fig. 2, it is the structural representation that a tradition has leakage inductance type transformer.As shown in Figure 2, this transformer 2 comprises a winding base 21,22, level coilings of main coiling, 23 and one adhesive tape 24, and wherein this winding base 21 has one first side plate 211, one second side plate 212 and winding section 213.Adhesive tape 24 is to be wound in central in fact position, winding section 213 and to have a width d, winding section 213 is divided into one first winding region 2131 and one second winding region 2132.Main coiling 22 is to be wound in respectively in first winding region 2131 and second winding region 2132 with secondary rolling thread 23, and respectively separately with one first side adhesive tape 25 and one second side adhesive tape 26 and first side plate 211 and second side plate 212, can make between main coiling 22 and the secondary rolling thread 23 by the separation of adhesive tape 24 and to keep certain electrical safety distance, in addition by the first side adhesive tape 25 and the second side adhesive tape 26 can make wind the line 22,23 and the external conductive thing between also can keep meeting the electrical safety distance of electrical safety.In addition, the adhesive tape 24 width d that main coiling 22 and secondary rolling thread are 23 are wide more, and then representative coiling coupling efficiency reduces, and leakage inductance increases, and this will help the control of resonant circuit in the power system.
Yet,, still have many problems though said structure can increase leakage inductance.For example, the size of leakage inductance is the width d that depends on main coiling 22 and 23 adhesive tapes 24 of secondary rolling thread, because adhesive tape 24 is soft materials and can't be completely fixed, therefore structure is comparatively loose and easily be shifted because of using for a long time or shaking, cause the leakage inductance value to reduce or instability, and then have influence on the resonant circuit control of power system.In addition, do separator to keep the mode of electrical safety distance with adhesive tape 24, the first side adhesive tape 25 and the second side adhesive tape 26, need with manually carrying out the action that adhesive tape twines in a large number, because adhesive tape has viscosity and width is again little, therefore it is not only time-consuming but also loaded down with trivial details to add man-hour, cause production capacity to promote, take manpower and cost on foot.
And, if need to make and have different transformer whose drain inductance, then need to change the distance of main coiling and secondary rolling thread, the width and the need that so just need to change adhesive tape are adjusted the size of winding base or are redesigned whole transformer device structure, thereby have increased the cost of mold developing.Hence one can see that, in case when need requiring adjustment or changing the leakage inductance of transformer because of product design, because traditional transformer device structure can't be adjusted the leakage inductance of transformer under the condition that does not change the existing size of winding base, therefore will increase many manufacturing costs.
And, progress along with electronics technology, electronic equipment requires increasing for the power conversion efficiency of power supply changeover device, for example: require transformer the voltage transitions of 400V to be become the voltage of 2000V, because the magnitude of voltage after the conversion is excessive, therefore the electrical safety distance between main coiling that then requires transformer aspect the safety standard specification of product and secondary rolling thread must strengthen, just can avoid connecting because of the magnitude of voltage of conversion is excessive main winds the line and secondary rolling thread between insulating barrier, and then the phenomenon that makes generation conducting between main coiling and the secondary rolling thread, and conventional transformer structure shown in Figure 2 is to utilize width d that adhesive tape 24 is twined insulate main coiling 22 and secondary rolling thread 23, the excessive adhesive tape 24 that will connect of too short and voltage makes conducting between main coiling 22 and the secondary rolling thread 23 owing to distance, to cause electronic equipment to meet the requirements like this, and can't operate and use.
Therefore, how to develop a kind of shortcoming of improving existing transformer device structure, and can effectively control with increase leakage inductance, improving electric safety, simple in structure, can meet security regulations and require, save transformer device structure artificial and cost, real is the problem that presses for solution at present.
Summary of the invention
Main purpose of the present invention is to provide a kind of transformer device structure, it separates main coiling and secondary rolling thread by the interval plate, or main coiling and secondary rolling thread branch are opened in the storage tank of not ipsilateral of body, to increase the distance of main coiling and secondary rolling thread, the leakage inductance of transformer is promoted, the leakage inductance of adjusting transformer by the protuberance and the distance between the I sections core of U sections core again, to increase electrical security, and in the solution prior art, the transformer device structure electrical safety is apart from deficiency, make time and effort consuming, problem such as adhesive tape is perishable.
Another object of the present invention is to provide a kind of transformer device structure, this transformer device structure can be adjusted the leakage inductance of transformer by core sets, and need not to develop again suitable winding section mould, thereby saves manufacturing cost and time.
For reaching above-mentioned purpose, of the present invention one than broad sense embodiment for a kind of transformer is provided, wherein comprise: main coiling; A plurality of secondary rolling threads; One first winding section, it is in order to twine this main coiling; A plurality of second winding sections, it is respectively in order to twining described secondary rolling thread, and is arranged at the dual-side of this first winding section; A plurality of intervals plate, it is arranged at respectively between described first winding section and described second winding section, and has a holding part; One runs through portion, and it runs through this first winding section, described second winding section and described interval plate; One iron core group, it comprises an I sections core and a U sections core, have a plurality of protuberances between the dual-side of this U sections core, this I sections core segment is placed in this to be run through in the portion, the described protuberance of this U sections core is to insert in the described holding part of described interval plate, by the described protuberance of this U sections core and be placed in this and run through the leakage inductance that distance between this I sections core in the portion is adjusted this transformer.
According to the solution of the present invention, the holding part of wherein said interval plate is opened on plate top, described interval.
According to the solution of the present invention, wherein the protuberance of this U sections core is to insert in the described holding part from the top of described interval plate, and places the top of described first winding section and described second winding section.
According to the solution of the present invention, the side of wherein said second winding section has a groove, and is connected with this portion of running through, in order to the structure of ccontaining this I sections core dual-side and the extension of these U sections core both sides.
According to the solution of the present invention, wherein this U sections core comprises a plurality of extensions, described extension is arranged at the dual-side of this U sections core, and contacts with the dual-side of I sections core, makes coiling of this iron core group and described main and described secondary rolling thread produce the electromagnetic coupled induction.
According to the solution of the present invention, wherein the described protuberance of this U sections core is arranged between the described extension.
According to the solution of the present invention, the holding part of wherein said interval plate is an end face or a side that is opened on described interval plate.
According to the solution of the present invention, wherein the described protuberance of this U sections core is to insert in the described holding part from the end face or the side of interval plate, and places the top or the side of described first winding section and described second winding section.
For reaching above-mentioned purpose, of the present invention another than broad sense embodiment for a kind of transformer is provided, wherein comprise: a body, it comprises a plurality of second storage tanks and a plurality of opening that one first side, one second side, are run through portion, one first storage tank that is connected with this first side, are connected with this second side, wherein said second storage tank is arranged at the dual-side of this first storage tank, and has an interval wall between described second storage tank and this first storage tank; The coiling of one main; A plurality of secondary rolling threads; One first winding section, it is in order to twining the coiling of this main, and is arranged in this first storage tank that is communicated with this first side and comprises one first channel, and wherein this first channel is to be connected with this portion of running through; A plurality of second winding sections, in order to twine described a plurality of secondary rolling thread, and be arranged at respectively in described a plurality of second storage tanks that are communicated with this second side, and comprise a second channel and a holding part, wherein said second channel is to be connected with this portion of running through, and this holding part is to be connected with the described opening of this body; One iron core group, it comprises an I sections core and a U sections core, have a plurality of protuberances between the dual-side of this U sections core, this I sections core segment is placed in this and runs through portion, in this first channel of this first winding section and the described second channel of described second winding section, the described protuberance of this U sections core is that the described opening by this body inserts in this holding part of described second winding section, and the dual-side of this U sections core contacts with this I sections core, by the described protuberance of this U sections core be placed in this and run through portion, distance between this I sections core in described first channel and the described second channel is adjusted the leakage inductance of this transformer.
According to the solution of the present invention, wherein this first side and this second side are the two relative sides that is positioned at this body.
According to the solution of the present invention, wherein this body has a plurality of grooves, and described groove is the two ends that are positioned at body, and is connected with this portion of running through.
According to the solution of the present invention, wherein this U sections core also comprises a plurality of extensions, and described extension is arranged at the dual-side of this U sections core.
According to the solution of the present invention, wherein the described protuberance of this U sections core is arranged between the described extension.
According to the solution of the present invention, wherein the part-structure of this I sections core is to be placed in the described groove, and the extension of this U sections core places described groove, and this I sections core is contacted with this U sections core.
According to the solution of the present invention, wherein this body is to comprise a plurality of upwardly extending plate washers, and the two ends of described plate washer are the opening parts that extends to described groove, thereby this U sections core is placed between described a plurality of plate washer.
Description of drawings
Fig. 1 is the structural representation of a traditional transformer.
Fig. 2 is the structural representation that a tradition has leakage inductance type transformer.
Fig. 3 a is the transformer device structure decomposing schematic representation of the present invention's first preferred embodiment.
Fig. 3 b is the combination schematic diagram of Fig. 3 a.
Fig. 4 a is the transformer device structure decomposing schematic representation of the present invention's second preferred embodiment.
Fig. 4 b is the combination schematic diagram of Fig. 4 a.
Fig. 5 a is the transformer device structure decomposing schematic representation of the present invention's the 3rd preferred embodiment.
Fig. 5 b is A-A ' cross-sectional view of Fig. 5 a.
Fig. 5 c is the combination schematic diagram of Fig. 5 a.
Wherein, description of reference numerals is as follows:
1,2,3,4,5 transformers, 11,37,56 iron core group
111 axle center, 12 winding base
The coiling of 121 sleeve pipes, 13,22,31,52 mains
14,23,32,53 secondary rolling threads, 15,24 adhesive tapes
21 winding base, 211 first side plates
212 second side plates, 213 winding sections
2,131 first winding regions, 2,132 second winding regions
25 first side adhesive tapes, 26 second side adhesive tapes
51 bodies, 519 baffle plates
512 second sides, 511 first sides
513 first storage tanks, 514 second storage tanks
36,515 run through portion's 516 grooves
541 first channels, 34,55 second winding sections
551 second channels, 371,561 I sections cores
372,562 U sections cores, 373,563 extensions
374,564 protuberances, 35 interval plates
351,352,552 holding parts, 518 openings
Embodiment
Some exemplary embodiments that embody feature of the present invention and advantage will be described in detail in the explanation of back.Be understood that the present invention can have various variations different in form, it does not depart from the scope of the present invention, and explanation wherein and icon be when the usefulness that explain in itself, but not in order to restriction the present invention.
See also Fig. 3 a, it is for the transformer device structure decomposing schematic representation of the present invention's first preferred embodiment, shown in Fig. 3 a, transformer 3 comprises main coiling 31, secondary rolling thread 32, first winding section 33, second winding section 34, interval plate 35, run through portion 36 and iron core group 37, wherein, first winding section 33 is to be used for twining main coiling 31, second winding section 34 is to be used for twining secondary rolling thread 32 respectively, and be arranged at the dual-side of first winding section 33, plate 35 is two diaphragm structures at interval, be arranged at respectively between first winding section 33 and second winding section 34, be mainly used to separate first winding section 33 and second winding section 34, the main coiling 31 and the distance of secondary rolling thread 32 are increased, and with the leakage inductance of lifting transformer 3, and the inside of plate 35 is respectively equipped with holding part 351 at interval.In this embodiment, these holding part 351 openings are above interval plate 35, but not as restriction.
Running through portion 36 is to run through first winding section 33, second winding section 34 and interval plate 35, and forms opening respectively in the outside of second winding section 34, inserts for the part-structure of iron core group 37.Iron core group 37 mainly is made up of I sections core 371 and U sections core 372, I sections core 371 can insert at one of them opening that second winding section, 34 sides form from the portion of running through 36, pass second winding section 34 in regular turn, second winding section 34 of first winding section 33 and the other end, and pass from second winding section, 34 side openings of this other end, I sections core 371 parts are placed in the portion of running through 36, comprise extension 373 and protuberance 374 as for U sections core 372, extension 373 is arranged at the dual-side of U sections core 372 respectively and extends downwards, and protuberance 374 then is arranged between two extensions 373 and equally downwards and extends.
When transformer 3 is assembled, I sections core 371 can part insert the portion 36 of running through, the protuberance 374 of U sections core 372 will insert in the holding part 351 of interval plate 35, make U sections core 372 place the top of first winding section 33 and second winding section 34, and the extension 373 of U sections core 372 dual-sides will contact with the dual-side of I sections core 371 in the dual-side opening part of the portion of running through 36 (shown in Fig. 3 b), make iron core group 37 and main coiling 31 and secondary rolling thread 32 produce the electromagnetic coupled induction, to reach the purpose of voltage transitions.
Transformer of the present invention 3 is mainly by the protuberance 374 of U sections core 372 and be placed in the leakage inductance that distance between the I sections core 371 in the portion of running through 36 is adjusted transformer 3, therefore, transformer 3 can design the protuberance 374 of different length according to different leakage inductance demands, and needn't be in order to change the leakage inductance of transformer, and redesign winding section or whole transformer device structure can be saved design cost with different transformer whose drain inductance and the manpower that is consumed.
See also Fig. 4 a, it is for the transformer device structure decomposing schematic representation of the present invention's second preferred embodiment, shown in Fig. 4 a, transformer 4 comprises main coiling 31, secondary rolling thread 32, first winding section 33, second winding section 34, interval plate 35 equally, runs through portion 36 and iron core group 37, wherein main coiling 31, secondary rolling thread 32, first winding section 33, second winding section 34, the structure, position and the function that run through portion 36 and iron core group 37 have been specified in first preferred embodiment shown in Fig. 3 a, do not repeat them here.
In the present embodiment, it is to be arranged at the another side of plate 35 at interval that the holding part 352 that interval plate 35 is had is compared with the holding part 351 of 3b illustrated embodiment with Fig. 3 a, be that holding part 352 is arranged at a side of plate 35 at interval, when transformer 3 is assembled, I sections core 371 can run through in the portion 36 in the part insertion, the protuberance 374 of U sections core 372 will insert the holding part 352 of interval plate 35 from the side of interval plate 35, make U sections core 372 place the side of first winding section 33 and second winding section 34, and the extension 373 of U sections core 372 dual-sides will contact with the dual-side of I sections core 371 in the dual-side opening part of the portion of running through 36 (shown in Fig. 4 b), make iron core group 37 and main coiling 31 and secondary rolling thread 32 produce the electromagnetic coupled induction, to reach the purpose of voltage transitions.
See also Fig. 5 a, it is the transformer device structure decomposing schematic representation of the present invention's the 3rd preferred embodiment, and shown in Fig. 5 a, transformer 5 comprises body 51, main coiling 52, secondary rolling thread 53, first winding section 54, second winding section 55 and iron core group 56.
First winding section 54 is to be used for twining main coiling 52 and to have one first channel 541, and place first storage tank 513 of body 51, and two second winding sections 55 of present embodiment are used for twining secondary rolling thread 53 respectively, and have second channel 551 and holding part 552 separately, and place second storage tank 514 of body 51, wherein, be to do at interval by an interval wall 517 respectively between two adjacent first storage tanks 513 and second storage tank 514, and first side 511 and second side 512 are the two relative sides that are positioned at body 51, and body 51 top adjacent partition walls 517 also comprise an opening 518, it is to be connected with second storage tank 514, when second winding section 55 placed second storage tank 514, the holding part 552 of second winding section 55 can be connected with the opening 518 on second storage tank 514.
Owing to have an interval wall 517 between first storage tank 513 and second storage tank 514 respectively, and be opened on the two relative side on the body 51 separately, therefore when first winding section 54 and second winding section 55 place first storage tank 513 and second storage tank 514 respectively, electric creepage distance between first winding section 54 and second winding section 55 will be subjected to the obstruct of body 51 and extend, and can reach the function that promotes electrical safety and increase leakage inductance.
See also Fig. 5 b, it is A-A ' cross-sectional view of Fig. 5 a, shown in Fig. 5 b, the groove 516 that is arranged at body 51 two ends is to be connected with the opening of the portion of running through 515, run through body 51 and be connected and run through portion 515 with first storage tank 513 and second storage tank 514, when first winding section 54 and second winding section 55 are inserted in first storage tank 513 of body 51 and second storage tank 514 respectively, the position of first channel 541 of first winding section 54 and the second channel 551 of second winding section 55 is corresponding to the portion of running through 515, promptly runs through portion 515, between the second channel 551 and first channel 541 for being connected.
See also Fig. 5 c, it is the combination schematic diagram of Fig. 5 a, shown in Fig. 5 c, when transformer 5 is assembled, first storage tank 513 is inserted in first winding section 54 that needs to twine main coiling 52 earlier, and second winding section 55 of twining secondary rolling thread 53 is inserted second storage tank 514 respectively, then I sections core 561 is inserted the portion 515 of running through in regular turn, the second channel 551 and first channel 541, and the part-structure of I sections core 561 dual-sides is placed in the groove 516, then, again U sections core 562 is inserted by body 51 tops, protuberance 564 is inserted in the holding part 552 of second winding section 55 by the opening on second storage tank 514 518, the extension 563 of U sections core 562 both sides then places among the groove 516, and contact with the part-structure of I sections core 561, and then make iron core group 56 and main coiling 52 and secondary rolling thread 53 produce the electromagnetic coupled induction, to reach the purpose of voltage transitions.
In addition, the upper surface of body 51 also can comprise two upwardly extending plate washers 519, the two ends of this plate washer 519 are the opening parts that extend to groove 516, in order to when body 51 combines with iron core group 56, U sections core 562 is placed between two baffle plates 519, by the plate washer 519 that is arranged on the body 51, can make 562 more firm the placing on the body 51 of U sections core, to increase transformer 5 stability structurally.
In sum, transformer device structure of the present invention is mainly separated the main coiling by the interval wall of interval plate or body with secondary rolling thread, to increase the distance of main coiling and secondary rolling thread, the leakage inductance of transformer is promoted, utilize the protuberance of U sections core again and be placed in the leakage inductance that distance between the I sections core in the portion of running through is adjusted transformer, therefore, transformer can design the protuberance of different length according to different leakage inductance demands, and needn't be in order to change the leakage inductance of transformer, and redesign the winding section or change whole transformer device structure even, can save design cost with different transformer whose drain inductance, time and manpower.Therefore the present invention has industrial value.
The present invention is by the modification that those skilled in the art carried out, only otherwise break away from spirit of the present invention, and all in scope of patent protection of the present invention.
Claims (13)
1. a transformer is characterized in that, described transformer comprises:
The coiling of one main;
A plurality of secondary rolling threads;
One first winding section, it is in order to twine this main coiling;
A plurality of second winding sections, it is respectively in order to twining described a plurality of secondary rolling thread, and is arranged at the dual-side of this first winding section;
A plurality of intervals plate, it is arranged at respectively between described first winding section and described second winding section, and has a holding part;
One runs through portion, and it runs through this first winding section, described a plurality of second winding sections and described interval plate; And
One iron core group, it comprises an I sections core and a U sections core, have a plurality of protuberances between the dual-side of this U sections core, this I sections core segment is placed in this to be run through in the portion, the described protuberance of this U sections core is to insert in the described holding part of described interval plate, by the described protuberance of this U sections core and be placed in this and run through the leakage inductance that distance between this I sections core in the portion is adjusted this transformer.
2. transformer as claimed in claim 1, the described holding part of wherein said interval plate are opened on plate top, described interval.
3. transformer as claimed in claim 2, wherein the described protuberance of this U sections core is to insert in the described holding part from the top of described interval plate, and places the top of described first winding section and described second winding section.
4. transformer as claimed in claim 1, the side of wherein said second winding section has a groove, and is connected with this portion of running through, in order to the structure of ccontaining this I sections core dual-side and the extension of these U sections core both sides.
5. transformer as claimed in claim 1, wherein this U sections core comprises a plurality of extensions, described extension is the dual-side that is arranged at this U sections core, and contact with the dual-side of this I sections core, thereby make this iron core group and the coiling of described main and described a plurality of secondary rolling thread produce the electromagnetic coupled induction.
6. transformer as claimed in claim 5, wherein the described protuberance of this U sections core is to be arranged between the described extension.
7. transformer as claimed in claim 1, the described holding part of wherein said interval plate are an end face or sides that is opened on described interval plate.
8. transformer as claimed in claim 7, wherein the described protuberance of this U sections core is to insert in the described holding part from the described side of described interval plate, and place the side of described first winding section and described second winding section or the top of described first winding section and described second winding section.
9. a transformer is characterized in that, described transformer comprises:
One body, it comprises a plurality of second storage tanks and a plurality of opening that one first side, one second side, are run through portion, one first storage tank that is connected with this first side, are connected with this second side, wherein said second storage tank is arranged at the dual-side of this first storage tank, and has an interval wall between described second storage tank and this first storage tank;
The coiling of one main;
A plurality of secondary rolling threads;
One first winding section, it is in order to twining the coiling of this main, and is arranged in this first storage tank that is communicated with this first side and comprises one first channel, and wherein this first channel is connected with this portion of running through;
A plurality of second winding sections, in order to twine described a plurality of secondary rolling thread, and be arranged at respectively in described a plurality of second storage tanks that are communicated with this second side, and comprise a second channel and a holding part, wherein this second channel is connected with this portion of running through, and this holding part is to be connected with the described opening of this body;
One iron core group, it comprises an I sections core and a U sections core, have a plurality of protuberances between the dual-side of this U sections core, this I sections core segment is placed in this and runs through portion, in this first channel of this first winding section and the described second channel of described second winding section, the described protuberance of this U sections core is that the described opening by this body inserts in this holding part of described second winding section, and the dual-side of this U sections core contacts with this I sections core, by the described protuberance of this U sections core be placed in this and run through portion, distance between this I sections core in described first channel and the described second channel is adjusted the leakage inductance of this transformer.
10. transformer as claimed in claim 9, wherein this first side and this second side are the two relative sides that is positioned at this body, and this body has a plurality of grooves, described groove is the two ends that are positioned at this body, and be connected with this portion of running through, wherein this U sections core also comprises a plurality of extensions, and described extension is arranged at the dual-side of this U sections core.
11. transformer as claimed in claim 10, wherein the described protuberance of this U sections core is arranged between the described extension.
12. transformer as claimed in claim 10, wherein the part-structure of this I sections core is to be placed in the described groove, and the described extension of this U sections core places described groove, and this I sections core is contacted with this U sections core.
13. transformer as claimed in claim 10, wherein this body also comprises a plurality of upwardly extending plate washers, and the two ends of described plate washer are the opening parts that extends to described groove, thereby this U sections core is placed between described a plurality of plate washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100092102A CN100543891C (en) | 2006-02-14 | 2006-02-14 | Transformer device structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100092102A CN100543891C (en) | 2006-02-14 | 2006-02-14 | Transformer device structure |
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| CN101022054A CN101022054A (en) | 2007-08-22 |
| CN100543891C true CN100543891C (en) | 2009-09-23 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101241798B (en) * | 2007-11-09 | 2012-02-01 | 光诠科技股份有限公司 | Procedure-adjustable leakage- inductance transformer |
| KR101235700B1 (en) * | 2008-04-30 | 2013-02-21 | 엘지디스플레이 주식회사 | Transformer and backlight drive part for liquid crystal display device including the same |
| CN101859638B (en) | 2009-04-07 | 2012-12-05 | 台达电子工业股份有限公司 | Transformer structure with leakage inductance |
| CN103208922A (en) * | 2012-01-11 | 2013-07-17 | 台达电子工业股份有限公司 | Resonant converter with resonant transformer |
| CN104124045B (en) * | 2014-08-01 | 2016-08-24 | 中国矿业大学 | The adjustable transformer of leakage inductance |
| WO2019205250A1 (en) * | 2018-04-26 | 2019-10-31 | 广东美的厨房电器制造有限公司 | Transformer and electronic microwave cooking device |
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