CN201156465Y - Transformer - Google Patents
Transformer Download PDFInfo
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- CN201156465Y CN201156465Y CNU2008200067124U CN200820006712U CN201156465Y CN 201156465 Y CN201156465 Y CN 201156465Y CN U2008200067124 U CNU2008200067124 U CN U2008200067124U CN 200820006712 U CN200820006712 U CN 200820006712U CN 201156465 Y CN201156465 Y CN 201156465Y
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- Prior art keywords
- drum stand
- shaft part
- determination
- transformer
- iron core
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Abstract
A transformer comprises a first bobbin bracket which surrounds an axis and defines a first iron core hole, a second first bobbin bracket which surrounds the axis and defines a second iron core hole, two iron cores combining with the first iron core hole and the second iron core hole respectively from the both ends of the first iron core hole and a winding unit. The first iron core hole is provided with a second bobbin bracket installation part and an iron core installation part; the second bobbin bracket is arranged inside the second bobbin bracket installation part; each of the iron cores comprises a first axis segment which extends opposite to the iron core installation part, a second axis segment which extends opposite to the second iron core hole and a lateral segment which extends on the outside of the first bobbin bracket along the axis and is connected with the first axis segment and the second axis segment. The winding unit comprises a first winding module and a second winding module respectively arranged on the first bobbin bracket and the second bobbin bracket.
Description
Technical field
The utility model relates to a kind of transformer, particularly relates to a kind of transformer that adopts two bobbin bracket structures of mutual fit.
Background technology
Transformer in the discharge tube circuit is the primary clustering that drives discharge lamp lighting, when a transformer needs to drive many discharge tubes in the discharge tube circuit, whether uniformly whether this transformer provides average to the electric current of each discharge tube, will be the described discharge tube brightness of decision key factor.
As No. the 91205788th, TaiWan, China patent application, first kind of transformer shown in No. 91214437, all be to adopt two drum stands of mutual fit to constitute, the advantage of described transformer is that coupling effect is good, leakage magnetic flux is little, so energy conversion efficiency height, yet, because iron core is subjected to many variablees influences when sintering is made, cause two interconnective iron core characteristics in the left and right sides to have error, so respectively will be unequal from the secondary current of left and right sides output, so can cause the inconsistent shortcoming of each discharge tube brightness, and be applied in when lighting a lamp, because leakage magnetic flux is quite little, the resonance ignition method that therefore utilizes leakage magnetic flux and realized can seem that difficulty is many.
In addition, as No. the 92120718th, TaiWan, China patent application, No. 95216631, second kind of transformer shown in No. 95210070, all be to adopt mutual two or more drum stands side by side, and cooperate and have between the described drum stand and can constitute for the branch of leakage magnetic flux is unshakable in one's determination, the advantage of described transformer is to have improved leakage magnetic flux, help the resonance ignition method and improved the average problem of output current, shortcoming with respect to aforementioned first kind of transformer has been made improvement, yet, based on too many leakage magnetic flux, coupling effect also significantly is lower than first kind of transformer, therefore energy conversion efficiency is low, and leakage magnetic flux also exerts an influence to part characteristic on every side easily, under the requirement that meets safety, spacing between the part will strengthen, so the area of circuit layout can be along with increase.
Other the third transformer shown in TaiWan, China patent application No. 93121426, No. 94109670, No. 94134730, all be to form flux leakage by the branch unshakable in one's determination or the magnetic conduction subassembly that are positioned at the drum stand outside, and not to adopt aforementioned first kind of transformer device structure, have single drum stand or a plurality of drum stand structure side by side of primary and secondary coil but adopt, therefore to have the shortcoming of aforementioned second kind of transformer equally and remain to be improved.
The utility model content
The purpose of this utility model is to be to provide a kind of coupling effect good, and can have the transformer of an amount of flux leakage function.
This transformer comprises one first drum stand, second drum stand, a core unit, and coiling unit, this first drum stand is round an axis and define one first hole unshakable in one's determination, and this second drum stand is round this axis and define one second hole unshakable in one's determination.
Of the present utility model being characterised in that: first hole unshakable in one's determination of this first drum stand has one second a drum stand installation portion and an installation portion unshakable in one's determination that extends along this axis respectively, and this second drum stand is arranged in this second drum stand installation portion.
This core unit comprises two iron cores, described iron core is incorporated into this first, second hole unshakable in one's determination respectively from the two ends in this first hole unshakable in one's determination, described iron core respectively has second shaft part that first shaft part that extends corresponding to this iron core installation portion, extends corresponding to this second hole unshakable in one's determination, and a segmentum laterale that extends and link to each other with this first, second shaft part in this first drum stand outside along this axis.
This coiling unit comprise one be set around this first drum stand first the coiling module, and one be set around this second drum stand second the coiling module.
The beneficial effects of the utility model are: by this second drum stand being arranged at the structural design of this first drum stand inside, can be so that this first, second coiling module produces good coupling effect, to reduce significantly flux leakage, and cooperate the first shaft part embranchment Design of described iron core between this first, second drum stand again, can externally export an amount of flux leakage by described first shaft part again, be applicable to the resonance ignition method so can also reach, the use effect that the current-sharing effect is good.
Description of drawings
Fig. 1 is a three-dimensional exploded view, and first preferred embodiment of the utility model transformer is described;
Fig. 2 is a three-dimensional combination figure, and the combining structure of above-mentioned first preferred embodiment is described;
Fig. 3 is a cutaway view along the line III-III of Fig. 2, and the corresponding relation of one first shaft part of an iron core, one second shaft part, a segmentum laterale and one first drum stand, one second drum stand is described in above-mentioned first preferred embodiment;
Fig. 4 is a cutaway view along the line IV-IV of Fig. 2, illustrates to have the formed air gap of a spacing between the end of this first shaft part in above-mentioned first preferred embodiment;
Fig. 5 is a three-dimensional exploded view, and second preferred embodiment of the utility model transformer is described;
Fig. 6 is an assembled sectional view, and the combining structure of above-mentioned second preferred embodiment is described;
Fig. 7 is a three-dimensional exploded view, and the 3rd preferred embodiment of the utility model transformer is described;
Fig. 8 is a combination of side view, and the combining structure of above-mentioned the 3rd preferred embodiment is described;
Fig. 9 is a three-dimensional exploded view, and the 4th preferred embodiment of the utility model transformer is described; And
Figure 10 is an assembled sectional view, and the combining structure of above-mentioned the 4th preferred embodiment is described.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated:
Before the utility model is described in detail, be noted that in the following description content that similarly assembly is represented with identical numbering.
As shown in Figure 1, 2, first preferred embodiment of the utility model transformer 200 comprises one first drum stand 20, one second drum stand 30, core unit 400, a coiling unit 50, and a housing 60.
This first drum stand 20 is round an axis X and define one first hole 21 unshakable in one's determination, and comprise that also one is communicated to the air-vent 22 in this first hole 21 unshakable in one's determination by its outer surface, in the present embodiment, this first drum stand 20 is the structures that adopt a plurality of separation troughs 23, also can adopt single groove shape structure during actual the manufacturing.
This first hole 21 unshakable in one's determination has one second a drum stand installation portion 211 and an installation portion 212 unshakable in one's determination that extends along this axis X respectively, this first drum stand 20 also comprises a partition wall 24 between this second drum stand installation portion 211 and this iron core installation portion 212 in the present embodiment, and this partition wall 24 also can change into when reality is made from the outstanding protruding grain of these first hole unshakable in one's determination, 21 inboard upper and lowers.
This air-vent 22 is round this axis X and be positioned at the centre of this first drum stand 20, so as to make cross-ventilation around this first, second drum stand 20,30, and then the lifting radiating effect, also can be designed to a plurality of pore size distributions on this first drum stand 20 during these air-vent 22 actual manufacturings.
This second drum stand 30 is round this axis X and define one second hole 31 unshakable in one's determination, and this second drum stand 30 is arranged in this second drum stand installation portion 211.
Shown in Fig. 1,2,3,4, this core unit 400 comprises two iron cores 40, described unshakable in one's determination 40 are incorporated into this first, second hole 21,31 unshakable in one's determination respectively from the two ends in this first hole 21 unshakable in one's determination, in the present embodiment, described unshakable in one's determination 40 all is to adopt E core, and respectively have second shaft part 42 that first shaft part 41 that extends corresponding to this iron core installation portion 212, extends corresponding to this second hole 31 unshakable in one's determination, an and segmentum laterale 43 that extends and link to each other in these first drum stand, 20 outsides along this axis X with this first, second shaft part 41,42.
Has a spacing d to form an air-gap between described first shaft part 41, also can in this spacing d, add other material to form different magnetic flux coefficients, described in the present embodiment first shaft part 41 extends in this iron core installation portion 212, and this spacing d is between the end of described first shaft part 41.
Described second shaft part 42 is mutual butt in this second hole 31 unshakable in one's determination.
Described segmentum laterale 43 is at this mutual butt in first drum stand, 20 outsides, described second shaft part 42 is connected to form a flux path with described segmentum laterale 43, the branch that described first shaft part 41 is these flux paths also produces leakage magnetic flux with this spacing d, and the sectional area of described first shaft part 41 is in the present embodiment less than the net sectional area of this flux path.
This coiling unit 50 comprises that one is set around the first coiling module 51 of this first drum stand 20, and one be set around this second drum stand 30 second the coiling module 52, this first coiling module 51 has two secondary coils 511 that electric energy output can be provided, described secondary coil 511 is set around the both sides of this air-vent 22 respectively, in the present embodiment, first, the second coiling module 51,52 form the transformer device structure of a pair of output two of input, also can change a pair of output one of input during actual the manufacturing into or import the many transformer device structures of a pair of output, its phase place of the direction of winding of described secondary coil 511 is opposite, the flux that can make both produce offsets and disturbs to reduce standing wave, and the spacing d between described first shaft part 41 also can be during fabrication changes near one of them of described secondary coil 511 to improve the current-sharing effect by modes such as model or grindings.
This housing 60 is incorporated on this first drum stand 20; and comprise that a plurality of hollow-out parts 61 corresponding to this first hole 21 unshakable in one's determination, this second hole 31 unshakable in one's determination, this air-vent 22, this housing 60 can strengthen this second drum stand 30 and be fixed in this first drum stand 20 and provide this transformer 200 external protection effect.
Whereby, by this second drum stand 30 being arranged at the structural design of these first drum stand, 20 inside, can so that this first, the second coiling module 51,52 produce good coupling effect, to avoid the adopting drum stand bigger shortcoming of flux leakage that mode was produced side by side in the past, and cooperate again described unshakable in one's determination 40 between this first, second drum stand 20, first shaft part, 41 embranchment Design between 30, can form air gap by the spacing d between described first shaft part 41 again, externally export suitable flux leakage, to avoid two inside and outside shortcomings of overlapping fashionable flux leakage deficiency of drum stands work in the past, so the utility model transformer 200 can realize that coupling effect is good, can provide an amount of flux leakage again, thereby can be applicable to the resonance ignition method, the use effect that the current-sharing effect is good.
As Fig. 5, shown in 6, below will illustrate further second preferred embodiment of the utility model transformer 200, this second preferred embodiment and above-mentioned this first preferred embodiment are roughly the same, first shaft part 41 of this first preferred embodiment is between described second shaft part 42 and described segmentum laterale 43, the difference of this second preferred embodiment is in described unshakable in one's determination 40 second shaft part 42 between described first shaft part 41 and described segmentum laterale 43, because described first shaft part 41 still extends in this iron core installation portion 212, described second shaft part 42 is mutual butt in this second hole 31 unshakable in one's determination still, described segmentum laterale 43 is still at this mutual butt in first drum stand, 20 outsides, so have the use effect identical with this first preferred embodiment equally.
As Fig. 7, shown in 8, below will illustrate further the 3rd preferred embodiment of the utility model transformer 200, the 3rd preferred embodiment and above-mentioned this first preferred embodiment are roughly the same, difference is in this core unit 400 and comprises an I sections heart 70 and two U sections hearts 80, this I sections heart 70 is arranged in this iron core installation portion 212, the described U sections heart 80 respectively has second shaft part 82 that is arranged in this second hole 31 unshakable in one's determination, one along the segmentum laterale 83 of this axis X in this first drum stand, 20 outsides extension, reach the connected section 84 of this second shaft part 82 of a connection and this segmentum laterale 83, described second shaft part 82 and the mutual butt of the end of described segmentum laterale 83, the two ends of this I sections heart 70 are corresponding with the upper surface of described connected section 84, and corresponding position forms separately a spacing d up and down, during actual the manufacturing, also can be corresponding with the lower surface of described connected section 84 and form described spacing d in the two ends of this I sections heart 70, can form small air gap by described spacing d, and small air gap can reach the effect of the suitable flux leakage of external output.
As Fig. 9, shown in 10, below will illustrate further the 4th preferred embodiment of the utility model transformer 200, the 4th preferred embodiment and above-mentioned this first preferred embodiment are roughly the same, difference is in this core unit 400 and comprises an I sections heart 70 and two U sections hearts 80 similar to the U type, this I sections heart 70 is arranged in this iron core installation portion 212, the described U sections heart 80 respectively has second shaft part 82 that is arranged in this second hole 31 unshakable in one's determination, one along the segmentum laterale 83 of this axis X in this first drum stand, 20 outsides extension, reach the connected section 84 of this second shaft part 82 of a connection and this segmentum laterale 83, described second shaft part 82 and described segmentum laterale 83 mutual butts, this connected section 84 extends corresponding towards the side, two ends of this I sections heart 70, and corresponding position forms a spacing d, can form small air gap by described spacing d, and small air gap can reach the effect of the suitable flux leakage of external output.
Claims (10)
1. transformer, comprise one first drum stand, second drum stand, a core unit, and a coiling unit, this first drum stand is round an axis and define one first hole unshakable in one's determination, this second drum stand is round this axis and define one second hole unshakable in one's determination, it is characterized in that:
First hole unshakable in one's determination of this first drum stand has one second a drum stand installation portion and an installation portion unshakable in one's determination that extends along this axis respectively, and this second drum stand is arranged in this second drum stand installation portion;
This core unit comprises two iron cores, described iron core is incorporated into this first, second hole unshakable in one's determination respectively from the two ends in this first hole unshakable in one's determination, described iron core respectively has second shaft part that first shaft part that extends corresponding to this iron core installation portion, extends corresponding to this second hole unshakable in one's determination, and a segmentum laterale that extends and link to each other with this first, second shaft part in this first drum stand outside along this axis; And
This coiling unit comprise one be set around this first drum stand first the coiling module, and one be set around this second drum stand second the coiling module.
2. transformer as claimed in claim 1 is characterized in that: this first drum stand comprises that also one is communicated to the air-vent in this first hole unshakable in one's determination by its outer surface.
3. transformer as claimed in claim 2 is characterized in that: this air-vent is positioned in the middle of this first drum stand, and this first coiling module has two secondary coils, and described secondary coil is positioned at the both sides of this air-vent.
4. transformer as claimed in claim 2 is characterized in that: this first drum stand also comprises a partition wall between this second drum stand installation portion and this iron core installation portion.
5. transformer as claimed in claim 2 is characterized in that: this transformer also comprises a housing, and this housing is incorporated on this first drum stand, and comprises a plurality of hollow-out parts corresponding to this first hole unshakable in one's determination, this second hole unshakable in one's determination, this air-vent.
6. transformer as claimed in claim 1, it is characterized in that: have a spacing between first shaft part of described iron core, described second shaft part is mutual butt in this second hole unshakable in one's determination, described segmentum laterale is at this mutual butt in first drum stand outside, and described second shaft part and described segmentum laterale form a flux path.
7. transformer as claimed in claim 6 is characterized in that: described first shaft part extends in this iron core installation portion, and this spacing is between the end of described first shaft part.
8. transformer as claimed in claim 1 is characterized in that: second shaft part and the described segmentum laterale of described iron core are connected to form a flux path, and the sectional area of described first shaft part is not more than the net sectional area of this flux path.
9. transformer as claimed in claim 1, it is characterized in that: this core unit comprises an I sections heart and two U sections hearts, this I sections heart is arranged in this iron core installation portion, the described U sections heart respectively has second shaft part that is arranged in this second hole unshakable in one's determination, one along the segmentum laterale of this axis in this first drum stand outside extension, reach the connected section of this second shaft part of connection and this segmentum laterale, described second shaft part and the mutual butt of described segmentum laterale, one of them of the two ends of this I sections heart and the upper surface of described connected section and lower surface is corresponding, and corresponding position forms a spacing.
10. transformer as claimed in claim 1, it is characterized in that: this core unit comprises an I sections heart and two U sections hearts, this I sections heart is to be arranged in this iron core installation portion, the described U sections heart respectively has one and is arranged in second shaft part, in this second hole unshakable in one's determination along the segmentum laterale of this axis in this first drum stand outside extension, reach the connected section of this second shaft part of connection and this segmentum laterale, described second shaft part and the mutual butt of described segmentum laterale, this connected section extends corresponding towards the side, two ends of this I sections heart, and corresponding position forms a spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200067124U CN201156465Y (en) | 2008-02-19 | 2008-02-19 | Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200067124U CN201156465Y (en) | 2008-02-19 | 2008-02-19 | Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156465Y true CN201156465Y (en) | 2008-11-26 |
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ID=40104242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200067124U Expired - Fee Related CN201156465Y (en) | 2008-02-19 | 2008-02-19 | Transformer |
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| Country | Link |
|---|---|
| CN (1) | CN201156465Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298197A (en) * | 2016-08-11 | 2017-01-04 | 明纬(广州)电子有限公司 | A kind of detachable transformer |
-
2008
- 2008-02-19 CN CNU2008200067124U patent/CN201156465Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106298197A (en) * | 2016-08-11 | 2017-01-04 | 明纬(广州)电子有限公司 | A kind of detachable transformer |
| CN106298197B (en) * | 2016-08-11 | 2018-02-16 | 明纬(广州)电子有限公司 | A kind of detachable transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081126 Termination date: 20160219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |