CN109920632A - A kind of high-power power transformer and preparation method thereof of low cost - Google Patents
A kind of high-power power transformer and preparation method thereof of low cost Download PDFInfo
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- CN109920632A CN109920632A CN201910208752.XA CN201910208752A CN109920632A CN 109920632 A CN109920632 A CN 109920632A CN 201910208752 A CN201910208752 A CN 201910208752A CN 109920632 A CN109920632 A CN 109920632A
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- copper foil
- skeleton
- panels
- secondary copper
- magnetic core
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Links
- 238000002360 preparation method Methods 0.000 title abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000011889 copper foil Substances 0.000 claims abstract description 54
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 238000004804 winding Methods 0.000 claims description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000002390 adhesive tape Substances 0.000 claims description 2
- 239000004568 cement Substances 0.000 claims 1
- 238000003466 welding Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention discloses a kind of high-power power transformer and preparation method thereof of low cost, which includes skeleton, magnetic core, primary coil, pcb board and the U-shaped secondary copper foil of two panels;The magnetic core is fitted into skeleton, primary coil is wound on the first layer of skeleton and magnetic core, the U-shaped secondary copper foil of two panels is packed into the second layer of skeleton and magnetic core simultaneously, the both ends of two panels secondary copper foil each extend over out conductive sheet, the pcb board is mounted on skeleton bottom, its conductive sheet is electrically connected on pcb board after two panels secondary copper foil is packed into, and so that the U-shaped secondary copper foil of two panels is conducted composition secondary coil structure, and the outside of two panels secondary copper foil is coated with insulating tape.Transformer device structure of the invention is simply easy to manufacture, while solving the problems, such as that existing high-power vertical power transformer production efficiency is low, yields is low and cost is excessively high.
Description
Technical field
The present invention relates to a kind of transformer, in particular to the high-power power transformer of a kind of low cost and its production side
Method.
Background technique
Since the manufacture craft of current high-power vertical power transformer is extremely complex, coil needs to weld, production speed
Very slow, producing efficiency bottom is spent, and then affects yield, and coiling is abnormal and abnormal welding also results in its architectural characteristic not
Stablize, so causes its production cost relatively high, the low problem of yields.
In order to solve the above problem, the present inventor provide a kind of very simple high-power power transformer of manufacture craft and its
Production method has been changed to foolproof assembling by accurate complicated welding coiling and has produced, without worry any coiling it is abnormal with
Material scrap cost increase problem caused by production technology caused by abnormal welding is bad and bad characteristic.
Summary of the invention
The main purpose of the present invention is to provide a kind of high-power power transformers and preparation method thereof of low cost, with solution
The problem that certainly existing high-power vertical power transformer production efficiency is low, yields is low and cost is excessively high.
To achieve the above object, the technical scheme adopted by the invention is as follows:
A kind of high-power power transformer of low cost, it is U-shaped including skeleton, magnetic core, primary coil, pcb board and two panels
Secondary copper foil;The magnetic core is fitted into skeleton, and primary coil is wound on the first layer of skeleton and magnetic core, the U-shaped secondary copper of two panels
Foil is packed into the second layer of skeleton and magnetic core simultaneously, and the both ends of two panels secondary copper foil each extend over out conductive sheet, the pcb board installation
In skeleton bottom, its conductive sheet is electrically connected on pcb board after two panels secondary copper foil is packed into, and makes the U-shaped secondary copper foil conductance of two panels
It is logical to constitute secondary coil structure, and the outside of two panels secondary copper foil is coated with insulating tape.
Further, the conductive sheet on the pcb board corresponding to two panels secondary copper foil opens up conductive hole.
Further, the primary coil uses single strand of copper wire or strand copper wire.
Further, the surrounding of the skeleton is also coated with insulating tape.
Further, the skeleton and magnetic core are using ER series or PQ series.
Further, wherein the outgoing line position on a piece of secondary copper foil is coated with ACT spacer.
A kind of production method of the high-power power transformer of above-mentioned low cost, comprising steps of
One, skeleton is fixed on coil winding machine, the coiling primary coil on skeleton;
Two, after the completion of primary coil coiling, two panels secondary copper foil is bent to it is U-shaped, then wrapped on secondary copper foil absolutely
Edge adhesive tape, then two panels secondary copper foil is assembled on skeleton;
Three, PCB pedestal is installed in skeleton bottom, while the conductive sheet at two panels secondary copper foil both ends is electrically connected to the bottom PCB
On seat;
Four, magnetic core is mounted on to the skeleton for winding line, finally fixes magnetic core with insulating tape, and coat in skeleton surrounding
Insulating tape.
Further, in the step 2, the U-shaped secondary copper foil of two panels is inserted into skeleton from top to bottom simultaneously, makes secondary
The conductive sheet at copper foil both ends is down through pcb board.
After adopting the above scheme, beneficial effects of the present invention are as follows:
Secondary coil structure is made using the U-shaped copper foil cooperation pcb board of two panels in the present invention, is changed by accurate complicated welding coiling
In order to which foolproof assembling produces, avoid that production technology caused by secondary coil coiling is abnormal and abnormal welding is bad and characteristic
Bad problem, and then material scrap probability is substantially reduced, manufacturing cost is reduced, while saving the coiling work of secondary coil
Sequence, manufacture craft and structure are simplified, and production efficiency is substantially improved.
Detailed description of the invention
Fig. 1 is the structure chart of transformer of the present invention;
Fig. 2 is electrical structure schematic diagram of the invention;
Fig. 3 is top view of the invention;
Fig. 4 is bottom view of the invention;
Fig. 5 is side view of the invention;
Fig. 6 is rearview of the invention;
Fig. 7 is the unfolding state figure of the secondary copper foil N2 of the present invention;
Fig. 8 is the unfolding state figure of the secondary copper foil N3 of the present invention;
Fig. 9 is the bending state figure of the secondary copper foil N2 of the present invention.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to
Specific embodiment, the present invention is further explained.
As shown in figures 1 to 6, a kind of high-power power transformer for low cost that the present invention discloses, including skeleton 1, magnetic core 2,
Primary coil N1, pcb board 3 and U-shaped secondary copper foil N2, the N3 of two panels;Magnetic core 2 is fitted into skeleton 1, and primary coil N1 is wound on bone
The first layer of frame 1 and magnetic core 2, two panels U-shaped secondary copper foil N2, N3 are packed into the second layer of skeleton 1 and magnetic core 2, two panels time simultaneously
The both ends of grade copper foil N2, N3 each extend over out conductive sheet, and pcb board 3 is mounted on 1 bottom of skeleton, and two panels secondary copper foil N2, N3 are packed into
Its conductive sheet 4 is electrically connected on pcb board 3 afterwards, and the U-shaped secondary copper foil conductive sheet 4 of two panels is made to conduct composition secondary coil structure,
And the outside of two panels secondary copper foil conductive sheet 4 is coated with insulating tape 5.
Further, the conductive sheet 4 on the pcb board 3 corresponding to two panels secondary copper foil N2, N3 opens up conductive hole 31.Wherein
Outgoing line position on secondary copper foil N1 is coated with ACT spacer 6, secondary copper foil N2 is isolated, avoids high pressure adverse effect.
Further, the primary coil N1 uses single strand of copper wire or strand copper wire.
Further, the surrounding of the skeleton 1 is also coated with insulating tape 5.
Further, the skeleton 1 and magnetic core 2 are using ER series or PQ series.
Design feature of the invention is: cooperating pcb board 3 that secondary wire loop knot is made by two panels U-shaped copper foil N2, N3
Structure has been changed to foolproof assembling by accurate complicated welding coiling and has produced, and avoids secondary coil coiling exception and welds different
The problem of production technology often resulted in is bad and bad characteristic, and then material scrap probability is substantially reduced, reduce manufacturing cost.
A kind of production method of the high-power power transformer of above-mentioned low cost, comprising steps of
One, skeleton 1 is fixed on coil winding machine, the coiling primary coil N1 on skeleton 1;
Two, after the completion of primary coil N1 coiling, referring to Fig. 7-9, two panels secondary copper foil N2, N3 are bent to U-shaped, then existed
Insulating tape 5 is wrapped on secondary copper foil N2, N3, then two panels secondary copper foil N2, N3 are successively assembled on skeleton 1;
Three, PCB pedestal 3 is installed in 1 bottom of skeleton, while the conductive sheet at two panels secondary copper foil both ends is electrically connected to PCB
On pedestal;Specifically, be to be inserted into skeleton 1 by two panels U-shaped secondary copper foil N2, N3 while from top to bottom, make secondary copper foil N2,
For the conductive sheet 4 at the both ends N3 down through pcb board 3, which is not necessarily to coiling, easy to operate, as long as after conductive sheet 4 is inserted into pcb board
In welding.
Four, magnetic core 2 is mounted on to the skeleton 1 for winding line and being mounted with secondary copper foil N2, N3, it is finally solid with insulating tape 5
Magnetic core 2 is set, and coats insulating tape 5 in 1 surrounding of skeleton.
It can be seen that the coiling process that high-power transformer of the invention eliminates secondary coil from above-mentioned production method,
Manufacture craft and mechanism simplify, and production efficiency significantly improves.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (8)
1. a kind of high-power power transformer of low cost, it is characterised in that: including skeleton, magnetic core, primary coil, pcb board and
The U-shaped secondary copper foil of two panels;The magnetic core is fitted into skeleton, and primary coil is wound on the first layer of skeleton and magnetic core, and two panels is U-shaped
Secondary copper foil be packed into the second layer of skeleton and magnetic core simultaneously, the both ends of two panels secondary copper foil each extend over out conductive sheet, described
Pcb board is mounted on skeleton bottom, its conductive sheet is electrically connected on pcb board after two panels secondary copper foil is packed into, and makes the U-shaped secondary of two panels
Copper foil conducts composition secondary coil structure, and the outside of two panels secondary copper foil is coated with insulating tape.
2. a kind of high-power power transformer of low cost according to claim 1, it is characterised in that: on the pcb board
Conductive sheet corresponding to two panels secondary copper foil opens up conductive hole.
3. a kind of high-power power transformer of low cost according to claim 1, it is characterised in that: the primary coil
Using single strand of copper wire or strand copper wire.
4. a kind of high-power power transformer of low cost according to claim 1, it is characterised in that: the four of the skeleton
Week is also coated with insulating tape.
5. a kind of high-power power transformer of low cost according to claim 1, it is characterised in that: the skeleton and magnetic
Core is using ER series or PQ series.
6. a kind of high-power power transformer of low cost according to claim 1, it is characterised in that: wherein a piece of secondary
Outgoing line position on copper foil is coated with ACT spacer.
7. a kind of production of the high-power power transformer of low cost described in -6 any one claims according to claim 1
Method, it is characterised in that comprising steps of
One, skeleton is fixed on coil winding machine, the coiling primary coil on skeleton;
Two, after the completion of primary coil coiling, two panels secondary copper foil is bent to U-shaped, then wraps insulating cement on secondary copper foil
Band, then two panels secondary copper foil is assembled on skeleton;
Three, PCB pedestal is installed in skeleton bottom, while the conductive sheet at two panels secondary copper foil both ends is electrically connected on PCB pedestal;
Four, magnetic core is mounted on to the skeleton for winding line, finally fixes magnetic core with insulating tape, and coat and insulate in skeleton surrounding
Adhesive tape.
8. a kind of production method of the high-power power transformer of low cost according to claim 7, it is characterised in that: institute
State in step 2, by the U-shaped secondary copper foil of two panels simultaneously from top to bottom be inserted into skeleton in, make the conductive sheet at secondary copper foil both ends to
Under penetrate pcb board.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910208752.XA CN109920632A (en) | 2019-03-19 | 2019-03-19 | A kind of high-power power transformer and preparation method thereof of low cost |
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CN201910208752.XA CN109920632A (en) | 2019-03-19 | 2019-03-19 | A kind of high-power power transformer and preparation method thereof of low cost |
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CN109920632A true CN109920632A (en) | 2019-06-21 |
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CN201910208752.XA Pending CN109920632A (en) | 2019-03-19 | 2019-03-19 | A kind of high-power power transformer and preparation method thereof of low cost |
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Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5469334A (en) * | 1991-09-09 | 1995-11-21 | Power Integrations, Inc. | Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces |
CN1661736A (en) * | 2004-02-27 | 2005-08-31 | Tdk株式会社 | Sensing element and its mfg. method |
CN1979704A (en) * | 2005-12-09 | 2007-06-13 | 胜美达电机(香港)有限公司 | Transformer and its producing method |
CN104700990A (en) * | 2015-03-04 | 2015-06-10 | 常州首普电源科技有限公司 | Inductance loop conductor and connecting structure of inductance loop conductor with circuit board |
CN205789444U (en) * | 2016-05-19 | 2016-12-07 | 广东力王高新科技股份有限公司 | A kind of mains transformer |
CN208368326U (en) * | 2018-06-21 | 2019-01-11 | 湖南力王新能源有限公司 | A kind of high frequency transformer |
CN209804422U (en) * | 2019-03-19 | 2019-12-17 | 厦门科司特电子工业有限公司 | low-cost high-power transformer |
-
2019
- 2019-03-19 CN CN201910208752.XA patent/CN109920632A/en active Pending
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5469334A (en) * | 1991-09-09 | 1995-11-21 | Power Integrations, Inc. | Plastic quad-packaged switched-mode integrated circuit with integrated transformer windings and mouldings for transformer core pieces |
CN1661736A (en) * | 2004-02-27 | 2005-08-31 | Tdk株式会社 | Sensing element and its mfg. method |
CN1979704A (en) * | 2005-12-09 | 2007-06-13 | 胜美达电机(香港)有限公司 | Transformer and its producing method |
CN104700990A (en) * | 2015-03-04 | 2015-06-10 | 常州首普电源科技有限公司 | Inductance loop conductor and connecting structure of inductance loop conductor with circuit board |
CN205789444U (en) * | 2016-05-19 | 2016-12-07 | 广东力王高新科技股份有限公司 | A kind of mains transformer |
CN208368326U (en) * | 2018-06-21 | 2019-01-11 | 湖南力王新能源有限公司 | A kind of high frequency transformer |
CN209804422U (en) * | 2019-03-19 | 2019-12-17 | 厦门科司特电子工业有限公司 | low-cost high-power transformer |
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