CN202110917U - High-frequency transformer - Google Patents
High-frequency transformer Download PDFInfo
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- CN202110917U CN202110917U CN2011202282786U CN201120228278U CN202110917U CN 202110917 U CN202110917 U CN 202110917U CN 2011202282786 U CN2011202282786 U CN 2011202282786U CN 201120228278 U CN201120228278 U CN 201120228278U CN 202110917 U CN202110917 U CN 202110917U
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- line
- bag
- take
- frequency transformer
- hanging wire
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Abstract
The utility model relates to the field of power supplies, in particular to a high-frequency transformer, which comprises a bobbin, a magnetic core, a first coil, a second coil, a third coil and a fourth coil, the magnetic core is placed in the bobbin, the first coil, the second coil, the third coil and the fourth coil are wound on the bobbin, the bobbin is provided with a feedback initial terminal, a feedback take-up terminal, a primary initial terminal, a primary take-up terminal, a secondary initial terminal, a secondary take-up terminal and a hanging terminal, wherein a wire is arranged between the feedback initial terminal and the hanging terminal. The high-frequency transformer ensures that a charger circuit using the high-frequency transformer can pass an EMI (electromagnetic interference) test without using a Y capacitor and a primary clamping circuit, the circuit is simple, the cost is saved, and thereby a charger can become miniature and lightweight.
Description
Technical field
The utility model relates to field of power supplies, particularly relates to a kind of high frequency transformer.
Background technology
Because the continuous development and the customer requirements of technology improve day by day, the miniaturization of electronic equipment forward, lightweight development, therefore, miniaturization, light-weighted electronic equipment charger also receive user's favor deeply.
In the prior art; The making of the general employed transformer of small-power charger all is to twine primary coil earlier, then twines secondary coil, just twines feedback coil at last; And the winding of all coils all is same direction; Use the charger circuit of this design of transformer, for through EMI test, generally all must in circuit, increase Y electric capacity and elementary clamp circuit is realized.The components and parts that the sort circuit design causes circuit to use are many, and charger can not be realized miniaturization and light-weighted requirement, and has increased cost.
Therefore, to the problem that exists in the prior art, needing badly provides a kind of high frequency transformer, makes that the charger circuit of this high frequency transformer of use is simple, saves cost, thereby makes charger realize miniaturization and lightweight.
Summary of the invention
The purpose of the utility model is to avoid weak point of the prior art and a kind of high frequency transformer is provided; Use the charger circuit of this high frequency transformer need not use Y electric capacity and elementary clamp circuit just can test through EMI; Circuit is simple; Save cost, thereby make charger realize miniaturization and lightweight.
The purpose of the utility model realizes through following technical measures.
A kind of high frequency transformer is provided; Comprise skeleton, magnetic core, the first line bag, the second line bag, three-way bag and the 4th line bag; It is inner that said magnetic core is positioned over said skeleton; The said first line bag, the second line bag, three-way bag and the 4th line looping are around on the said skeleton, and said skeleton is provided with and has fed back line end, feedback take-up end, elementary line end, elementary take-up end, secondary line end, secondary take-up end and hanging wire end, wherein; Said feedback rises between line end and the said hanging wire end and is provided with lead, has fed back between line end and the feedback take-up end to be provided with the said first line bag; Be provided with the second line bag between said feedback take-up end and the power supply ground; Be provided with three-way bag between said elementary line end and the elementary take-up end; Be provided with said the 4th line bag between said secondary line end and the secondary take-up end; The said first line bag, the second line bag, three-way bag and the 4th line wrap in range upon range of placement on the skeleton from bottom to top, between the said first line bag and the second line bag, between the second line bag and the three-way bag, be provided with insulating tape between three-way bag and the 4th line bag.
Preferably, the said first line bag comprises 25 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.13*2P.
Preferably, the said second line bag comprises 130 circle leads, and the coiling number of plies is 3 layers, and this lead is the lead of Φ 0.13*1P.
Preferably, said three-way bag comprises 0.9 circle Copper Foil.
Preferably, said the 4th line bag comprises 13 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.3*1P.
Another is preferred; Said feedback plays two hanging wire heads that line end, feedback take-up end, elementary line end, elementary take-up end, secondary line end and secondary take-up end are linked with the first line bag, three-way bag and the 4th line bag respectively, and said hanging wire head is provided with the sleeve pipe of being processed by Teflon.
Preferred, said feedback plays the hanging wire headgear pipe of line end, the hanging wire headgear Guan Jun of feedback take-up end is the sleeve pipe that is of a size of Φ 0.35*10mm.
Preferred, the hanging wire headgear pipe of said elementary line end, elementary take-up end hanging wire headgear Guan Jun be the sleeve pipe that is of a size of Φ 0.25*10mm.
Preferred, the hanging wire headgear Guan Jun of the hanging wire headgear pipe of said secondary line end, secondary take-up end is the sleeve pipe that is of a size of Φ 0.45*23mm.
Another is preferred, and said insulating tape is provided with two-layer.
The beneficial effect of the utility model:
A kind of high frequency transformer of the utility model; Comprise skeleton, magnetic core, the first line bag, the second line bag, three-way bag and the 4th line bag; Magnetic core is placed with skeleton inner; The first line bag, the second line bag, three-way bag and the 4th line looping are around on the skeleton, and skeleton is provided with and has fed back line end, feedback take-up end, elementary line end, elementary take-up end, secondary line end, secondary take-up end and hanging wire end, wherein; Fed back between line end and the hanging wire end and be provided with lead, fed back between line end and the feedback take-up end and be provided with the said first line bag; Be provided with the second line bag between feedback take-up end and the power supply ground; Be provided with three-way bag between elementary line end and the elementary take-up end; Be provided with the 4th line bag between secondary line end and the secondary take-up end; The first line bag, the second line bag, three-way bag and the 4th line wrap in range upon range of placement on the skeleton from bottom to top, between the first line bag and the second line bag, between the second line bag and the three-way bag, be provided with insulating tape between three-way bag and the 4th line bag.
A kind of high frequency transformer of the utility model uses the charger circuit of this high frequency transformer need not use Y electric capacity and elementary clamp circuit just can test through EMI, and circuit is simple, saves cost, thereby makes charger realize miniaturization and lightweight.
Description of drawings
Utilize accompanying drawing that the utility model is further specified, but the content in the accompanying drawing does not constitute any restriction to the utility model.
Fig. 1 is the schematic diagram of embodiment of a kind of high frequency transformer of the utility model.
Fig. 2 is the skeleton structure diagram of embodiment of a kind of high frequency transformer of the utility model.
Fig. 3 is the coiling precedence diagram of embodiment of a kind of high frequency transformer of the utility model.
In Fig. 1, Fig. 2 and Fig. 3, include:
The three-way bag of the first line bag 11, the second line bag 12,13, the 4th line bag 14, fed back line end 5,
Feedback take-up end 4, elementary line end 2, elementary take-up end 1, secondary line end 9, secondary take-up end 6, hanging wire end 100.
Embodiment
In conjunction with following examples the utility model is described further.
Embodiment
A kind of high frequency transformer of present embodiment such as Fig. 1, Fig. 2 and shown in Figure 3,
A kind of high frequency transformer of present embodiment; Comprise skeleton, magnetic core, the first line bag 11, the second line bag 12, three-way bag 13 and the 4th line bag 14; Magnetic core is positioned over skeleton inside; The first line bag 11, the second line bag 12, three-way bag 13 and the 4th line bag 14 are wound on the skeleton, and skeleton is provided with and has fed back line end 5, feedback take-up end 4, elementary line end 2, elementary take-up end 1, secondary line end 9, secondary take-up end 6 and hanging wire end 100, wherein; Fed back between line end 5 and the hanging wire end 100 and be provided with lead, fed back between line end 5 and the feedback take-up end 4 and be provided with the first line bag 11; Be provided with the second line bag 12 between feedback take-up end 4 and the power supply ground; Be provided with three-way bag 13 between elementary line end 2 and the elementary take-up end 1; Be provided with the 4th line bag 14 between secondary line end 9 and the secondary take-up end 6; The first line bag 11, the second line bag 12, three-way bag 13 and the range upon range of from bottom to top placement on skeleton of the 4th line bag 14 are between the first line bag 11 and the second line bag 12, between the second line bag 12 and the three-way bag 13, be provided with insulating tape between three-way bag 13 and the 4th line bag 14.
As preferred implementation, the first line bag 11 comprises 25 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.13*2P.
As preferred implementation, three-way bag 13 comprises 130 circle leads, and the coiling number of plies is 3 layers, and this lead is the lead of Φ 0.13*1P.
As preferred implementation, the second line bag 12 comprises 0.9 circle Copper Foil.
As preferred implementation, the 4th line bag 14 comprises 13 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.3*1P.
As preferred implementation; Fed back two hanging wire heads that line end 5, feedback take-up end 4, elementary line end 2, elementary take-up end 1, secondary line end 9 and secondary take-up end 6 all are linked with the first line bag 11, three-way bag 13 and the 4th line bag 14, the hanging wire head is provided with the sleeve pipe of being processed by Teflon.
As preferred implementation, fed back the hanging wire headgear pipe of line end 5, the hanging wire headgear Guan Jun of feedback take-up end 4 is the sleeve pipes that are of a size of Φ 0.35*10mm.Sleeve pipe exposes 3-5mm.
As preferred implementation, the hanging wire headgear pipe of elementary line end 2, elementary take-up end 1 hanging wire headgear Guan Jun be the sleeve pipe that is of a size of Φ 0.25*10mm.Sleeve pipe exposes 3-5mm.
As preferred implementation, the hanging wire headgear Guan Jun of the hanging wire headgear pipe of secondary line end 9, secondary take-up end 6 is the sleeve pipes that are of a size of Φ 0.45*23mm.Sleeve pipe exposes 5-8mm.
As preferred implementation, insulating tape is provided with two-layer.
A kind of high frequency transformer of the utility model, its manufacturing process comprises the steps:
1, line packs work: coiling is as the criterion with right hand machine, the clockwise direction rotation, and take-up the end of a thread need meet at right angles and draw.The first line bag 11 be close around, begin to twine from feedback line end 5 with the lead of Φ 0.13mm*2P, from feeding back line end 5 backguys to hanging wire end 100; Unroll toward feedback take-up end 4 directions from hanging wire end 100, last the end of a thread is fixed on feedback take-up end 4 again, and coiling needs smooth; The coiling number of plies is 1 layer, totally 25 circles, and hanging wire headgear pipe uses the sleeve pipe that is of a size of Φ 0.35*10mm; Hanging wire headgear pipe exposes 3-5mm, double-bags with UL12mm buff insulating tape again; The second line bag 12 is a 6mm length and width Copper Foil, and initial line is in feedback line end 5, and the other end is unsettled, plays shielding action; Three-way bag 13 be close around, from elementary line end 2 initial lines, twine 3 layers with the lead of Φ 0.13mm*1P; Totally 130 circles, hanging wire are in elementary take-up end 1, and hanging wire headgear pipe uses the sleeve pipe that is of a size of Φ 0.25*10mm; Hanging wire headgear pipe exposes 3-5mm, double-bags with UL12mm buff insulating tape again; The 4th line bag 14 be close around, from secondary line end 9 initial lines, twine 1 layer with the lead of Φ 0.3mm*1P; Totally 13 circles, hanging wire are in secondary take-up end 6, and hanging wire headgear pipe uses the sleeve pipe of Φ 0.45*23mm; Hanging wire headgear pipe exposes 5-8mm, double-bags with UL12mm buff insulating tape again.
2, the kinking wicking: flat stitch root twines and wicking, guarantee wicking after tin point do not exceed boss, notice during wicking that Wuxi, contact pin top is sharp.
3, assembling, test and impregnation: after the test electrical property is qualified, carry out impregnation, note can not being dipped into insulating oil on the stitch, then oven dry is handled.
4, packing: after the detecting electric parameter is qualified, attach a label to the transformer side, put in extranal packing box successively then.
Use the charger circuit of the high frequency transformer of the utility model, need not use Y electric capacity and elementary clamp circuit just can test through EMI; Entire circuit uses components and parts few, saves cost, thereby makes charger realize miniaturization and lightweight.
Should be noted that at last; Above embodiment only be used to explain the utility model technical scheme but not to the restriction of the utility model protection range; Although the utility model has been done detailed description with reference to preferred embodiment; Those of ordinary skill in the art should be appreciated that and can make amendment or be equal to replacement the technical scheme of the utility model, and do not break away from the essence and the scope of the utility model technical scheme.
Claims (10)
1. high frequency transformer; Comprise skeleton, magnetic core, the first line bag, the second line bag, three-way bag and the 4th line bag; It is inner that said magnetic core is positioned over said skeleton; The said first line bag, the second line bag, three-way bag and the 4th line looping are around on the said skeleton, it is characterized in that: said skeleton is provided with and has fed back line end, feedback take-up end, elementary line end, elementary take-up end, secondary line end, secondary take-up end and hanging wire end, wherein; Said feedback rises between line end and the said hanging wire end and is provided with lead, and said feedback rises between line end and the feedback take-up end and is provided with the said first line bag; Be provided with the second line bag between said feedback take-up end and the power supply ground; Be provided with three-way bag between said elementary line end and the elementary take-up end; Be provided with said the 4th line bag between said secondary line end and the secondary take-up end; The said first line bag, the second line bag, three-way bag and the 4th line wrap in range upon range of placement on the skeleton from bottom to top, between the said first line bag and the second line bag, between the second line bag and the three-way bag, be provided with insulating tape between three-way bag and the 4th line bag.
2. a kind of high frequency transformer according to claim 1 is characterized in that: the said first line bag comprises 25 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.13*2P.
3. a kind of high frequency transformer according to claim 2 is characterized in that: the said second line bag comprises 130 circle leads, and the coiling number of plies is 3 layers, and this lead is the lead of Φ 0.13*1P.
4. a kind of high frequency transformer according to claim 3 is characterized in that: said three-way bag comprises 0.9 circle Copper Foil.
5. a kind of high frequency transformer according to claim 4 is characterized in that: said the 4th line bag comprises 13 circle leads, and the coiling number of plies is 1 layer, and this lead is the lead of Φ 0.3*1P.
6. a kind of high frequency transformer according to claim 1; It is characterized in that: said feedback plays two hanging wire heads that line end, feedback take-up end, elementary line end, elementary take-up end, secondary line end and secondary take-up end are linked with the first line bag, three-way bag and the 4th line bag respectively, and said hanging wire head is provided with the sleeve pipe of being processed by Teflon.
7. a kind of high frequency transformer according to claim 6 is characterized in that: said feedback plays the hanging wire headgear pipe of line end, the hanging wire headgear Guan Jun of feedback take-up end is the sleeve pipe that is of a size of Φ 0.35*10mm.
8. a kind of high frequency transformer according to claim 7 is characterized in that: the hanging wire headgear Guan Jun of the hanging wire headgear pipe of said elementary line end, elementary take-up end is the sleeve pipe that is of a size of Φ 0.25*10mm.
9. a kind of high frequency transformer according to claim 8 is characterized in that: the hanging wire headgear Guan Jun of the hanging wire headgear pipe of said secondary line end, secondary take-up end is the sleeve pipe that is of a size of Φ 0.45*23mm.
10. a kind of high frequency transformer according to claim 1 is characterized in that: said insulating tape is provided with two-layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202282786U CN202110917U (en) | 2011-06-30 | 2011-06-30 | High-frequency transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202282786U CN202110917U (en) | 2011-06-30 | 2011-06-30 | High-frequency transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202110917U true CN202110917U (en) | 2012-01-11 |
Family
ID=45436371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202282786U Expired - Fee Related CN202110917U (en) | 2011-06-30 | 2011-06-30 | High-frequency transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202110917U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103606440A (en) * | 2013-12-02 | 2014-02-26 | 佛山市欧立电子有限公司 | Method and structure for winding wire of high-frequency transformer |
| CN104616870A (en) * | 2013-11-05 | 2015-05-13 | 林万炯 | Transformer free of Y capacitor |
-
2011
- 2011-06-30 CN CN2011202282786U patent/CN202110917U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104616870A (en) * | 2013-11-05 | 2015-05-13 | 林万炯 | Transformer free of Y capacitor |
| CN104616870B (en) * | 2013-11-05 | 2017-02-22 | 赛尔富电子有限公司 | Transformer free of Y capacitor |
| CN103606440A (en) * | 2013-12-02 | 2014-02-26 | 佛山市欧立电子有限公司 | Method and structure for winding wire of high-frequency transformer |
| CN103606440B (en) * | 2013-12-02 | 2016-04-13 | 佛山市欧立电子有限公司 | A kind of method for winding of high frequency transformer and structure |
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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: 20120111 Termination date: 20190630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |