CN103646764A - Differential-mode and common-mode integrated electronic transformer - Google Patents
Differential-mode and common-mode integrated electronic transformer Download PDFInfo
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- CN103646764A CN103646764A CN201310636767.9A CN201310636767A CN103646764A CN 103646764 A CN103646764 A CN 103646764A CN 201310636767 A CN201310636767 A CN 201310636767A CN 103646764 A CN103646764 A CN 103646764A
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- common mode
- mode inductance
- magnetic core
- center pillar
- coiling
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Abstract
The invention discloses a differential-mode and common-mode integrated electronic transformer which comprises a first common-mode inductance winding package, a second common-mode inductance winding package, a connecting assembly and a magnetic core post, wherein the connecting assembly connects the first common-mode inductance winding package and the second common-mode inductance winding package, and the magnetic core post is arranged between the first common-mode inductance winding package and the second common-mode inductance winding package to form a magnetic circuit. According to the differential-mode and common-mode integrated electronic transformer, due to the design that the two winding packages used for generating common-mode inductance are integrated, the size of the whole product is reduced, material manufacturing cost and production labor cost are reduced, the price of the product is lowered, the requirement that a large scale of the products are put on the market can be met, and the transformer can be widely used in ballasts, energy-saving lamps, LED lamp drive and the like.
Description
Technical field
The present invention relates to a kind of transformer, particularly relate to a kind of poor common mode Integral electronic transformer for illumination class power supply product aspects such as LED driving power and electricity-saving lamps.
Background technology
In ballast, electricity-saving lamp and LED drive circuit, need to use at present differential mode inductance formula transformer and common mode inductance formula transformer.And in prior art, in production differential mode inductance formula transformer used and common mode inductance formula transformer be respectively independently, split, in manufacture method, differential mode inductance formula transformer and common mode inductance formula transformer carry out respectively independent coiling and plug-in unit, so not only can cause the increase of material cost and production labor cost, and then cause the lifting of machine product price, also reduced production efficiency simultaneously.In addition, differential mode inductance formula transformer and common mode inductance formula transformer separately making in product, can make small product size increase, and cannot adapt to the demand of putting on market in enormous quantities.
Summary of the invention
(1) technical problem that will solve
For above-mentioned the deficiencies in the prior art, the invention provides a kind of poor common mode Integral electronic transformer, it is by producing two coiling bag Integral designs of common mode inductance, to reduce machine product volume, reduce material cost of manufacture and production labor cost, and then the price of reduction machine product, meet the demand that machine product can be put on market in enormous quantities.
(2) technical scheme
For achieving the above object, the poor common mode Integral electronic of the present invention transformer comprises: the first common mode inductance coiling bag; The second common mode inductance coiling bag; The first common mode inductance coiling bag and the coiling of the second common mode inductance are wrapped to the coupling assembling coupling together; And be arranged on the magnetic core center pillar between the first common mode inductance coiling bag and the second common mode inductance coiling bag, be used to form field circuit.
Preferably, described coupling assembling comprises the first coupling assembling and the second coupling assembling; Wherein said the first coupling assembling comprises: be arranged on described the first common mode inductance coiling and wrap the first fastener of end and the first fastener auxiliary section of lower end; Described the second coupling assembling comprises: be arranged on described the second common mode inductance coiling and wrap the second fastener of end and the second fastener auxiliary section of lower end.
Further preferably, described the first fastener and described the second fastener are respectively snap fit, and described the first fastener auxiliary section and the second fastener auxiliary section are respectively draw-in groove; Docking realization by described snap fit and described draw-in groove is connected wherein said the first common mode inductance coiling bag with described the second common mode inductance coiling bag.
Wherein, described the first common mode inductance coiling comprises: the first iron core; The first group positive stop end affixed with the first iron core two ends difference; And be wrapped in first on the first iron core coiling.
Wherein, described the second common mode inductance coiling comprises: the second iron core; The second group positive stop end affixed with the second iron core two ends difference; And be wrapped in second on the second iron core coiling; Wherein said the second coiling is opposite each other with the coiling direction of described the first coiling.
Wherein, on described first group of positive stop end He on described second group of positive stop end, be respectively equipped with at least one group of entrance hole and wire hole.
Preferably, described the first iron core and described the second iron core are column.
Preferably, described magnetic core center pillar is arranged on the junction of described the first common mode inductance coiling bag and described the second common mode inductance coiling bag, and described magnetic core center pillar and described the first iron core and described the second iron core are coaxial.
Wherein, described magnetic core center pillar is as a whole, or described magnetic core center pillar is two monomers separately.
When described magnetic core center pillar is two monomers separately, described magnetic core center pillar preferably includes: the first magnetic core center pillar; And second magnetic core center pillar corresponding thereto coaxial with the first magnetic core center pillar, in itself and the first magnetic core, intercolumniation is formed with opening; Wherein said the first magnetic core center pillar and described the second magnetic core center pillar can be respectively at its axial stretchings, to regulate the size of described opening.
(3) beneficial effect
Compared with prior art, tool of the present invention has the following advantages:
1) the poor common mode Integral electronic of the present invention transformer is by merging the second common mode inductance coiling package that is used for producing the first common mode inductance coiling bag of common mode inductance and is used for producing differential mode inductance to be connected to become integral body, reduced the element that complete machine uses, machine volume is dwindled, reduced material cost of manufacture, and then reduced the price of machine product, also reduced production labor cost simultaneously;
2) the link formation that coupling assembling of the present invention preferably adopts similar snap fit and draw-in groove etc. to cooperatively interact and can conveniently disassemble, be that the combination that the first common mode inductance coiling bag and the coiling of the second common mode inductance are wrapped is provided convenience, be convenient to simultaneously complete machine making, process and disassemble;
3) the present invention is by coiling the first coiling on the first iron core at the first common mode inductance coiling bag, on the second iron core of the second common mode inductance coiling bag by and the first common mode inductance coiling bag rightabout coiling the second coiling, the single product that the first common mode inductance coiling bag and the second common mode inductance is wound the line can produce after package closes common mode inductance and differential mode inductance to coexist;
4) the present invention is by installing magnetic core center pillar in the junction of the first common mode inductance coiling bag and the second common mode inductance coiling bag, can produce field circuit, when magnetic core center pillar is two monolithic design of separating, can be by regulating two openings of sizes between monomer to adjust the sensibility reciprocal of differential mode inductance;
5) the poor common mode Integral electronic of the present invention transformer is simple, economical, electronic transformer product applicable to difformity, different size, it has also reduced product radiation, effectively guaranteed the stability of product operation, meet the demand that machine product is put on market in enormous quantities, can be widely used in the aspects such as ballast, electricity-saving lamp and the driving of LED lamp.
Accompanying drawing explanation
Fig. 1 is the structural representation of the poor common mode Integral electronic of the present invention transformer;
Fig. 2 is the do not wind the line exploded view of situation of the poor common mode Integral electronic of the present invention transformer;
Fig. 3 is the vertical view of Fig. 1 institute differential common mode Integral electronic transformer.
Description of reference numerals: 1-the first common mode inductance coiling bag; 11-the first iron core; First group of positive stop end of 12-; 13-the first coiling; 2-the second common mode inductance coiling bag; 21-the second iron core; Second group of positive stop end of 22-; 23-the second coiling; 3a-the first magnetic core center pillar; 3b-the second magnetic core center pillar; 4a-the first fastener; 4b-the first fastener auxiliary section; 5a-the second fastener; 5b-the second fastener auxiliary section; 6a-entrance hole; 6b-wire hole; 7-opening.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further detailed explanation.It should be noted that, accompanying drawing is only for explaining the present invention, is to the schematically illustrating of the embodiment of the present invention, and can not be interpreted as limitation of the invention.
In description of the invention, orientation or the position relationship of the indications such as term " " center ", " longitudinally ", " laterally ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.In addition, term " first ", " second ", " the 3rd " etc. are only for describing object, and can not be interpreted as indication or hint relative importance.
Unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
As shown in Figure 1-Figure 3, the poor common mode Integral electronic of the present invention transformer comprises first common mode inductance coiling bag the 1, second common mode inductance coiling bag 2 and magnetic core center pillar etc., first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2 produces differential mode inductance when producing common mode inductance, first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2 couples together by coupling assembling, magnetic core center pillar is arranged between first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2, is used to form field circuit.
Particularly, coupling assembling comprises the first coupling assembling and the second coupling assembling.Wherein, the first coupling assembling comprises that being arranged on the first common mode inductance coiling wraps the first fastener 4a of 1 upper end and the first fastener auxiliary section 4b of lower end; The second coupling assembling comprise be arranged on second common mode inductance coiling bag the second fastener 5a of 2 upper ends and the second fastener auxiliary section 5b(of lower end as Fig. 2).The first fastener 4a matches with the first fastener auxiliary section 4b, the second fastener 5a matches with the second fastener auxiliary section 5b, the first fastener 4a is docked with the first fastener auxiliary section 4b, the second fastener 5a is docked with the second fastener auxiliary section 5b, can realize the connection (as one connects) between first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2.The first fastener 4a and the second fastener 5a can be respectively snap fit, the first connection counterpart 4b is connected counterpart 5b with second and can be respectively draw-in groove, the end of snap fit can have the pawl of hook or projection, draw-in groove can be the groove that matches with snap fit or block etc., like this, snap fit and draw-in groove match to merge and removably connect, and convenient processing, making complete machine also facilitate the assembly and disassembly of first common mode inductance coiling bag the 1 and second common mode inductance coiling being wrapped to 2.
The first common mode inductance coiling bag 1 mainly comprises: the first iron core 11, it can be column, two ends at the first iron core 11 only illustrate one end in affixed first group of positive stop end 12(Fig. 2 respectively), on the first iron core 11, be wound with the first coiling 13,, it is opposite each other that 2 winding directions are wrapped in itself and the coiling of the second common mode inductance.On first group of positive stop end 12, be provided with at least one group of entrance hole 6a and wire hole 6b.
The second common mode inductance coiling bag 2 comprises: the second iron core 21, it is column, at the second iron core 21 two ends, is connected with respectively second group of positive stop end 22, is wound with the second coiling 23, the second coilings 23 and is wound around in the same direction on the second iron core 21 on the second iron core 21.On second group of positive stop end 22, be also provided with at least one group of entrance hole 6a and wire hole 6b.
Magnetic core center pillar is arranged on the junction of first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2, the one end that is magnetic core center pillar is connected with one end of second group of positive stop end 22 junction with first group of positive stop end 12, the other end of magnetic core center pillar is connected with the other end of second group of positive stop end 22 junction with first group of positive stop end 12, magnetic core center pillar axially axial axially identical with the second iron core 21 with the first iron core 11.Magnetic core center pillar can be that an integral body also can consist of two monomers that separate, i.e. the first magnetic core center pillar 3a and two monomers of the second magnetic core center pillar 3b.The first magnetic core center pillar 3a and the second magnetic core center pillar 3b are coaxial, and the two can be respectively at its axial stretching.In the middle of the first magnetic core center pillar 3a and the second magnetic core center pillar 3b, be formed with opening 7, by the extension and contraction control to the first magnetic core center pillar 3a and the second magnetic core center pillar 3b, the size of adjustable openings 7, and then the adjustment of realization to differential mode inductance sensibility reciprocal, when flowing to the electric current increase of coil, the second iron core 21 in coil can be saturated, now can form the AC signal that a differential mode inductance suppresses to pass through, to reach the object that reduces interference signal.
Common mode EMI (electromagnetic interference) signal that the poor common mode Integral electronic of the present invention transformer can make to wind the line on circuit is controlled on very low level, this circuit both can suppress outside EMI signal and import into, the EMI signal producing during the circuit self of can decaying again work, can reduce EMI interference strength effectively.
From technique scheme of the present invention, be not difficult to find out, those of ordinary skills are not carrying out under creative prerequisite of making great efforts, cannot realize technical scheme of the present invention, utilizing technique scheme of the present invention to solve the problems of the technologies described above is non-obvious for those of ordinary skills; In addition, the present invention can bring many beneficial effects: the poor common mode Integral electronic of the present invention transformer is by combining and be connected to become integral body by first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2 that is used for producing common mode inductance, reduced the element that complete machine uses, machine volume is dwindled, reduced material cost of manufacture, and then reduced the price of machine product, also reduced production labor cost simultaneously; Coupling assembling preferably adopts similar snap fit and draw-in groove etc. to cooperatively interact and the link that can conveniently disassemble forms, and is that the combination of first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2 is provided convenience, be convenient to simultaneously complete machine making, process and disassemble; By coiling the first coiling on the first iron core 11 at the first common mode inductance coiling bag 1, on the second iron core 21 of the second common mode inductance coiling bag 2 by and 1 rightabout coiling the second coiling 23 of the first common mode inductance coiling bag, make can to produce after first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2 combinations the single product that common mode inductance and differential mode inductance coexist; By magnetic core center pillar being installed in the junction of first common mode inductance coiling bag the 1 and second common mode inductance coiling bag 2, can produce field circuit, when magnetic core center pillar is two monolithic design of separating, can be by regulating two opening 7 sizes between monomer to adjust the sensibility reciprocal of differential mode inductance.In addition, the poor common mode Integral electronic of the present invention transformer is simple, economical, electronic transformer product applicable to difformity, different size, it has also reduced product radiation, effectively guaranteed the stability of product operation, meet the demand that machine product is put on market in enormous quantities, can be widely used in ballast, electricity-saving lamp and LED lamp driving aspect.
It should be noted that; although above the present invention is explained in detail; but the invention is not restricted to this; the interior perhaps principle that those of ordinary skills can record according to the present invention is modified; therefore the various modifications that, all interior perhaps principles of recording according to the present invention are carried out all should fall into protection scope of the present invention.
Claims (10)
1. differ from a common mode Integral electronic transformer, it is characterized in that, it comprises:
The first common mode inductance coiling bag (1);
The second common mode inductance coiling bag (2);
The first common mode inductance coiling bag (1) and the coiling of the second common mode inductance are wrapped to the coupling assembling that (2) couple together; And
Be arranged on the magnetic core center pillar between the first common mode inductance coiling bag (1) and the second common mode inductance coiling bag (2), be used to form field circuit.
2. poor common mode Integral electronic transformer according to claim 1, is characterized in that, described coupling assembling comprises the first coupling assembling and the second coupling assembling; Wherein
Described the first coupling assembling comprises: be arranged on described the first common mode inductance coiling bag first fastener (4a) of (1) upper end and the first fastener auxiliary section (4b) of lower end;
Described the second coupling assembling comprises: be arranged on described the second common mode inductance coiling bag second fastener (5a) of (2) upper end and the second fastener auxiliary section (5b) of lower end.
3. poor common mode Integral electronic transformer according to claim 2, it is characterized in that, described the first fastener (4a) and described the second fastener (5a) are respectively snap fit, and described the first fastener auxiliary section (4b) and the second fastener auxiliary section (5b) are respectively draw-in groove; Wherein
Docking realization by described snap fit and described draw-in groove is connected described the first common mode inductance coiling bag (1) with described the second common mode inductance coiling bag (2).
4. according to the poor common mode Integral electronic transformer described in claim 1-3 any one, it is characterized in that, described the first common mode inductance coiling bag (1) comprising:
The first iron core (11);
The first group positive stop end (12) affixed with the first iron core (11) two ends difference; And
Be wrapped in the coiling of first on the first iron core (11) (13).
5. poor common mode Integral electronic transformer according to claim 4, is characterized in that, described the second common mode inductance coiling bag (2) comprising:
The second iron core (21);
The second group positive stop end (22) affixed with the second iron core (21) two ends difference; And
Be wrapped in the coiling of second on the second iron core (21) (23); Wherein
Described the second coiling (23) is opposite each other with the coiling direction of described the first coiling (13).
6. poor common mode Integral electronic transformer according to claim 5, is characterized in that, described first group of positive stop end (12) above and on described second group of positive stop end (22) is respectively equipped with at least one group of entrance hole (6a) and wire hole (6b).
7. poor common mode Integral electronic transformer according to claim 6, it is characterized in that, described magnetic core center pillar is arranged on the junction of described the first common mode inductance coiling bag (1) and described the second common mode inductance coiling bag (2), and described magnetic core center pillar and described the first iron core (11) and described the second iron core (21) are coaxial.
8. poor common mode Integral electronic transformer according to claim 7, is characterized in that, described magnetic core center pillar is as a whole.
9. poor common mode Integral electronic transformer according to claim 7, is characterized in that, described magnetic core center pillar is two monomers separately.
10. poor common mode Integral electronic transformer according to claim 9, is characterized in that, described magnetic core center pillar comprises:
The first magnetic core center pillar (3a);
And second magnetic core center pillar (3b) corresponding thereto coaxial with the first magnetic core center pillar (3a), is formed with opening (7) between itself and the first magnetic core center pillar (3a); Wherein
Described the first magnetic core center pillar (3a) and described the second magnetic core center pillar (3b) can be respectively at its axial stretchings, to regulate the size of described opening (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636767.9A CN103646764B (en) | 2013-11-28 | 2013-11-28 | Difference common mode Integral electronic transformator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310636767.9A CN103646764B (en) | 2013-11-28 | 2013-11-28 | Difference common mode Integral electronic transformator |
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| CN103646764A true CN103646764A (en) | 2014-03-19 |
| CN103646764B CN103646764B (en) | 2016-07-13 |
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| CN201310636767.9A Expired - Fee Related CN103646764B (en) | 2013-11-28 | 2013-11-28 | Difference common mode Integral electronic transformator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108417362A (en) * | 2018-02-27 | 2018-08-17 | 东莞市立宇电子有限公司 | A kind of difference common mode inductance |
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| CN202564016U (en) * | 2012-03-23 | 2012-11-28 | 东莞市铭普实业有限公司 | Integrated common mode and differential mode inductor |
| US20130200975A1 (en) * | 2010-02-12 | 2013-08-08 | Cramer Coil & Transformer Co. | Integrated common mode, differential mode audio filter inductor |
| CN203552916U (en) * | 2013-11-28 | 2014-04-16 | 宝电电子(张家港)有限公司 | Difference mode and common mode integrated electronic transformer |
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| CN101197205A (en) * | 2006-09-21 | 2008-06-11 | 福特环球技术公司 | Inductor topologies with substantial common mode and differential mode inductance |
| CN101136284A (en) * | 2007-07-23 | 2008-03-05 | 上海美星电子有限公司 | Lock connect backbone for difference/common mode electromagnetic interference suppresser |
| US20130200975A1 (en) * | 2010-02-12 | 2013-08-08 | Cramer Coil & Transformer Co. | Integrated common mode, differential mode audio filter inductor |
| CN202034159U (en) * | 2011-01-24 | 2011-11-09 | 东莞市铭普实业有限公司 | A common mode and differential mode inductor |
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