CN203982986U - A kind of sandwich winding transformer - Google Patents
A kind of sandwich winding transformer Download PDFInfo
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- CN203982986U CN203982986U CN201420320524.4U CN201420320524U CN203982986U CN 203982986 U CN203982986 U CN 203982986U CN 201420320524 U CN201420320524 U CN 201420320524U CN 203982986 U CN203982986 U CN 203982986U
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Abstract
The utility model discloses a kind of sandwich winding transformer, comprise skeleton and magnetic core, described magnetic core is arranged on skeleton, on described skeleton, be wound with the first armature winding, this the first armature winding outside can arrange or not arrange the first insulating tape, in the time arranging, this the first insulating tape outside is wound with shielding winding, this shielding winding outside is coated with the second insulating tape, this the second insulating tape outside is wound with power supply winding, this power supply winding outside is coated with the 3rd insulating tape, the 3rd insulating tape outside is wound with secondary winding, this secondary winding outside is coated with the 4th insulating tape, the 4th insulating tape outside is wound with the second armature winding, this the second armature winding outside is coated with the 5th insulating tape.The utility model has been set up shielding winding, increases transformer and suppresses the ability that EMI disturbs, and removes Copper Foil and also can meet Production requirement, has not only reduced production cost, saves the operation of artificial coiling Copper Foil simultaneously, has greatly improved production efficiency.
Description
Technical field
The utility model relates to a kind of sandwich winding transformer, and the power of this transformer is generally between 5W to 90W.
Background technology
Switching Power Supply is one of accessory of each electronic product indispensability, especially smart mobile phone equipment Market shipment amount is huge, touch-screen easily occurs touching ineffective under charged state, the phenomenons such as deadlock, in order to address these problems, development need to spend a large amount of manpowers and financial resources studies the structure of transformer.A suitable structure can be brought the surplus that conduction, common-mode noise and radiation are very large, also can bring huge economic benefit.And switch transformer on the market inefficiency during with common sandwich winding, conduction, common-mode noise and radiation surplus are little, and consistency is poor.How further to simplify transformer coiling processing procedure, shorten the R&D cycle, improve the surplus of conduction, common-mode noise and radiation and become a problem demanding prompt solution of field of switch power.
In addition, between each winding of existing transformer, Copper Foil must be set, suppress EMI and disturb, and Copper Foil can only adopt artificial coiling with this, coiling efficiency is low, and coiling quality is also uneven, for manufacturer has brought great puzzlement; Further, the ability that existing transformer inhibition EMI disturbs is poor, address this problem, but this will increase the production cost of transformer so existing transformer is many by having set up Y electric capacity.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of sandwich winding transformer, and this transformer has solved the problem of existing transformer production inefficiency.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
A kind of sandwich winding transformer, comprise skeleton and magnetic core, described magnetic core is arranged on skeleton, on described skeleton, be wound with the first armature winding, this the first armature winding outside is coated with shielding winding, this shielding winding outside is coated with the second insulating tape, this the second insulating tape outside is wound with power supply winding, this power supply winding outside is coated with the 3rd insulating tape, the 3rd insulating tape outside is wound with secondary winding, this secondary winding outside is coated with the 4th insulating tape, the 4th insulating tape outside is wound with the second armature winding, this the second armature winding outside is coated with the 5th insulating tape.
Preferably, described the first armature winding outside is coated with the first insulating tape, and this first insulating tape is placed between the first armature winding and shielding winding.
Preferably, the number of plies of described the first armature winding coiling is 1 to 3 layer.
Preferably, described shielding winding be adopt dredge around or the close winding around mode coiling, the number of turn of this shielding winding technique is less than the number of turn of armature winding coiling.
Preferably, the elementary PRI of described skeleton comprises the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin.
Preferably, the initiating terminal of described the first armature winding is connected with the 3rd pin, finishes end and is connected with the second pin.
Preferably, one end of described shielding winding with first or the 5th pin be connected, the other end is floating empty.
Preferably, one end of described power supply winding is connected with the 4th pin, and the other end is connected with the 5th pin, the 5th pin ground connection.
Preferably, the initiating terminal of described the second armature winding is connected with the first pin, finishes end and is connected with the second pin.
Preferably, the secondary SEC of described skeleton comprises the 6th pin and the 7th pin; One end of described secondary winding is connected with the 6th pin, and the other end is connected with the 7th pin.
Compared to existing technology, the beneficial effects of the utility model are:
Because the utility model has been set up shielding winding, greatly increase transformer and suppress the ability that EMI disturbs, also can meet Production requirement so remove Copper Foil, not only reduce production cost, save the operation of artificial coiling Copper Foil simultaneously, greatly improve production efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Reference numeral is as follows:
1, skeleton; 11, elementary PRI; 12, secondary SEC; 21, the first armature winding; 22, the second armature winding; 31, the first insulating tape; 32, the second insulating tape; 33, the 3rd insulating tape; 34, the 4th insulating tape; 35, the 5th insulating tape; 4, shielding winding; 5, power supply winding; 51, dredge around layer; 52, close around layer; 6, secondary winding.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model, as we know from the figure, sandwich winding transformer described in the utility model comprises skeleton 1 and magnetic core, described magnetic core is arranged on skeleton 1, on described skeleton 1, be wound with the first armature winding 21, these the first armature winding 21 outsides are coated with the first insulating tape 31, these the first insulating tape 31 outsides are wound with shielding winding 4, these shielding winding 4 outsides are coated with the second insulating tape 32, these the second insulating tape 32 outsides are wound with power supply winding 5, these power supply winding 5 outsides are coated with the 3rd insulating tape 33, the 3rd insulating tape 33 outsides are wound with secondary winding 6, these secondary winding 6 outsides are coated with the 4th insulating tape 34, the 4th insulating tape 34 outsides are wound with the second armature winding 22, these the second armature winding 22 outsides are coated with the 5th insulating tape 35.Certainly,, according to different need of productions, even if arranging the first insulating tape 31, the present embodiment can realize equally goal of the invention.
Described skeleton 1 comprises elementary PRI11 and secondary SEC12, i.e. the input of armature winding and the output of secondary winding, and this elementary PRI11 is located at the right side of skeleton 1, and this secondary SEC12 is located at the left side of skeleton; Described elementary PRI11 comprises the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin, and described secondary SEC12 comprises the 6th pin and the 7th pin.
The number of plies of described the first armature winding 21 coilings can be 1 to 3 layer, and the present embodiment is preferably 2 layers, each coil of this first armature winding 21 close around; Wherein, the initiating terminal of described the first armature winding 21 is connected with the 3rd pin, finishes end and is connected with the second pin.
Described shielding winding 4 is 1 layer, each coil of this shielding winding 4 close around or dredge around, wherein, one end of described shielding winding 4 with first or the 5th pin is connected, the other end floats sky.
Described power supply winding 5 can dredge around or close around; Wherein, one end of described power supply winding 5 is connected with the 4th pin, and the other end is connected with the 5th pin, the 5th pin ground connection.
Described secondary winding 6 is 1-4 layer, each coil of this secondary winding 6 close around; Wherein, one end of described secondary winding 6 is connected with the 6th pin, and the other end is connected with the 7th pin.
Described the second armature winding 22 is 1-2 layer, each coil of this second armature winding 22 close around; Wherein, the initiating terminal of described the second armature winding 22 is connected with the first pin, finish end is connected with the second pin, employing just around or rewind can.
As shown in Figure 1, the initiating terminal of above-mentioned each winding is the stain place shown in figure, and the first above-mentioned armature winding 21, the second armature winding 22, shielding winding 4 and power supply winding 5 are by enamelled wire coiling, described secondary winding 6 is by insulated conductor coiling, and this insulated conductor is preferably three-layer insulated wire.
Known by above-described embodiment, because the utility model has been set up shielding winding 4, greatly increase transformer and suppress the ability that EMI disturbs, also can meet Production requirement so remove Copper Foil, not only reduce production cost, saved the operation of artificial coiling Copper Foil simultaneously, greatly improved production efficiency.
Above-mentioned execution mode is only preferred implementation of the present utility model; the scope that can not limit with this utility model protection, the variation of any unsubstantiality that those skilled in the art does on basis of the present utility model and replacement all belong to the utility model scope required for protection.
Claims (10)
1. a sandwich winding transformer, comprise skeleton and magnetic core, described magnetic core is arranged on skeleton, it is characterized in that: on described skeleton, be wound with the first armature winding, this the first armature winding outside is coated with shielding winding, this shielding winding outside is coated with the second insulating tape, this the second insulating tape outside is wound with power supply winding, this power supply winding outside is coated with the 3rd insulating tape, the 3rd insulating tape outside is wound with secondary winding, this secondary winding outside is coated with the 4th insulating tape, the 4th insulating tape outside is wound with the second armature winding, this the second armature winding outside is coated with the 5th insulating tape.
2. sandwich winding transformer according to claim 1, is characterized in that: described the first armature winding outside is coated with the first insulating tape, and this first insulating tape is placed between the first armature winding and shielding winding.
3. sandwich winding transformer according to claim 1, is characterized in that: the number of plies of described the first armature winding coiling is 1 to 3 layer.
4. sandwich winding transformer according to claim 1, is characterized in that: described shielding winding be adopt dredge around or the close winding around mode coiling, the number of turn of this shielding winding technique is less than the number of turn of armature winding coiling.
5. sandwich winding transformer according to claim 1, is characterized in that: the elementary PRI of described skeleton comprises the first pin, the second pin, the 3rd pin, the 4th pin and the 5th pin.
6. sandwich winding transformer according to claim 5, is characterized in that: the initiating terminal of described the first armature winding is connected with the 3rd pin, finishes end and is connected with the second pin.
7. sandwich winding transformer according to claim 5, is characterized in that: one end of described shielding winding with first or the 5th pin be connected, the other end is floating empty.
8. sandwich winding transformer according to claim 5, is characterized in that: one end of described power supply winding is connected with the 4th pin, and the other end is connected with the 5th pin, the 5th pin ground connection.
9. sandwich winding transformer according to claim 5, is characterized in that: the initiating terminal of described the second armature winding is connected with the first pin, finishes end and is connected with the second pin.
10. sandwich winding transformer according to claim 1, is characterized in that: the secondary SEC of described skeleton comprises the 6th pin and the 7th pin; One end of described secondary winding is connected with the 6th pin, and the other end is connected with the 7th pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320524.4U CN203982986U (en) | 2014-06-16 | 2014-06-16 | A kind of sandwich winding transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420320524.4U CN203982986U (en) | 2014-06-16 | 2014-06-16 | A kind of sandwich winding transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203982986U true CN203982986U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420320524.4U Active CN203982986U (en) | 2014-06-16 | 2014-06-16 | A kind of sandwich winding transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN203982986U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225827A (en) * | 2015-11-03 | 2016-01-06 | 丹阳奇烨科技有限公司 | A kind of high frequency transformer winding method of power supply adaptor |
| CN107147093A (en) * | 2017-04-28 | 2017-09-08 | 东莞市奥海电源科技有限公司 | Applied to the anti thunder strike circuit in large power supply adapter and the power supply adaptor |
| CN112201457A (en) * | 2020-08-26 | 2021-01-08 | 珠海格力电器股份有限公司 | High-frequency transformer winding structure, switching power supply circuit and power adapter |
| WO2022073405A1 (en) * | 2020-10-09 | 2022-04-14 | 阳光电源股份有限公司 | Transformer and winding structure thereof |
-
2014
- 2014-06-16 CN CN201420320524.4U patent/CN203982986U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225827A (en) * | 2015-11-03 | 2016-01-06 | 丹阳奇烨科技有限公司 | A kind of high frequency transformer winding method of power supply adaptor |
| CN107147093A (en) * | 2017-04-28 | 2017-09-08 | 东莞市奥海电源科技有限公司 | Applied to the anti thunder strike circuit in large power supply adapter and the power supply adaptor |
| CN112201457A (en) * | 2020-08-26 | 2021-01-08 | 珠海格力电器股份有限公司 | High-frequency transformer winding structure, switching power supply circuit and power adapter |
| WO2022073405A1 (en) * | 2020-10-09 | 2022-04-14 | 阳光电源股份有限公司 | Transformer and winding structure thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170628 Address after: 523455 Guangdong province Dongguan Dongkeng Dongkeng Avenue South, No. 365 Patentee after: Dongguan city Pu Smythe Electronics Co. Ltd. Address before: 518110 Guangdong city of Shenzhen province Baoan District Guanlan street Huangkeng community Hedong Village No. 437 Patentee before: Mai Sipu Electronics Co., Ltd. of Shenzhen |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523000 Patentee after: Meispu Electronics Co.,Ltd. Address before: No. 365, Dongkeng Avenue South, Dongkeng Town, Dongguan City, Guangdong Province, 523455 Patentee before: DONGGUAN CITY MAISI PU ELECTRONICS CO.,LTD. |
|
| CP03 | Change of name, title or address |