CN109927237A - A kind of transformer and its manufacturing method - Google Patents
A kind of transformer and its manufacturing method Download PDFInfo
- Publication number
- CN109927237A CN109927237A CN201811240954.4A CN201811240954A CN109927237A CN 109927237 A CN109927237 A CN 109927237A CN 201811240954 A CN201811240954 A CN 201811240954A CN 109927237 A CN109927237 A CN 109927237A
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- Prior art keywords
- transformer
- copper tip
- coiling
- magnetic core
- bracket
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Abstract
A kind of transformer, comprising: bracket, the bracket are integrated injection molding, including a top frame and it is multiple be parallel to each other vertical with top frame face, and be inlaid in the supporting plate in top frame, the centre of each supporting plate passes through a hollow horizontal cylinder perforation；Multiple integrated injection molding assembles simultaneously with bracket, and is mounted on the copper tip in top frame, which is made of upper protrusion, intermediate plate and lower process, and terminal side opening is provided on intermediate plate；Magnetic core, magnetic core is made of left side and right side, left side is rendered as " E " font, right side is rendered as " E " font that intermediate projections portion is tubular, the left side of magnetic core and the middle part protrusion of right side penetrate in the horizontal cylinder by supporting plate, and the left side of magnetic core is enabled to be close to combine with right side；Coiling, coiling passes through the terminal side opening of copper tip, and the reserved wire rod of coiling exceeds the terminal side opening of copper tip.
Description
Technical field
The invention belongs to power electronics field, in particular to a kind of transformer and its manufacturing method.
Background technique
At present in fields such as new-energy automobile, rail traffic, Industry Controls, Vehicular charger, DC converter, exchange are handed over
Parallel operation, two-in-one system are integrated and three-in-one system is integrated etc., and transformer can be all used in PCB circuit, by transformer electricity
The conversion of current voltage, to obtain load required voltage and electric current.
And for magnetic elements, it mainly include inductance, transformer.How to connect with PCB circuit in circuit topological structure
Connect, while considering cost, the actual demands such as production production technology and assembling require the roll of Developing Transformer, bracket and
Axis and PCB circuit reliable connector is connected.Such structure is more complicated in transformer manufacturers assembling process, simultaneously turns on axis
For machine plus part, after inductance and transformer are carried out, it is also necessary to the techniques such as whole foot.Therefore, the cost and production of transformer are increased
Efficiency.
Summary of the invention
The present invention provides a kind of easy to operate, and structure is simple, electric power electric transformer integral support structure at low cost, mesh
Be solve the problems, such as that existing transformer device structure and production cost are higher.
One of embodiment of the present invention, a kind of transformer, the transformer include:
Bracket, the bracket are integrated injection molding, including a top frame and it is multiple be parallel to each other it is vertical with top frame face,
And it is inlaid in the supporting plate in top frame, the centre of each supporting plate passes through a hollow horizontal cylinder perforation；
Multiple integrated injection molding is assembled simultaneously with bracket, and is mounted on the copper tip in top frame, the copper tip by upper protrusion,
Intermediate plate and lower process composition, are provided with terminal side opening on intermediate plate；
Magnetic core, magnetic core are made of left side and right side, and left side is rendered as " E " font, and right side is rendered as intermediate convex
The portion of rising is " E " font of tubular, and the left side of magnetic core and the middle part protrusion of right side penetrate in the horizontal cylinder by supporting plate, so that magnetic
The left side of core can be close to combine with right side；
Coiling, the terminal side opening that coiling passes through copper tip is wound on supporting plate, and the reserved wire rod of coiling exceeds copper tip
Terminal side opening.
The upper protrusion of the copper tip of the transformer passes through the via hole of pcb board, is realized and is welded with pcb board by protrusion on this
Assembling.
Transformer with integral support of the invention compared with prior art, has the advantages that
1, transformer integral support use integrated injection molding, with it is existing need roll and bracket compared with, reduce one zero
Therefore part reduces the assembling of the Meteorological and back transformer of a mold, have it is high-efficient, number of parts is few, investment
Expense is low, assembles the advantages that simple.
2, copper tip of the invention uses Production of Stamping Die, has high production efficiency, and precision is high, advantage at low cost,
This copper tip can be with transformer integral support using the automatic hoop molding of one simultaneously, and therefore, production automation level is higher,
Precision is higher, and compared with the conducting axis of existing structure, conducting axis is that machine adds part, needs to increase artificial discharge and transformer group
Whole foot station after the completion of dress.The aperture of another copper tip side of the present invention, since coiling needs and copper tip weld, this aperture is rigid
Coiling can be blocked well, as long as directly welding, do not need additional auxiliary station
3, structure of the invention assembling is simple and reliable, is all produced using mold, number of parts is few, does not need artificial assembling
It puts into manpower because automatization level is high with whole foot station and mold is few, transformer cost is lower.
Detailed description of the invention
The following detailed description is read with reference to the accompanying drawings, above-mentioned and other mesh of exemplary embodiment of the invention
, feature and advantage will become prone to understand.In the accompanying drawings, if showing by way of example rather than limitation of the invention
Dry embodiment, in which:
Fig. 1 is the schematic diagram of transformer bracket structure in the embodiment of the present invention.
Fig. 2 is transformer bracket structure assembling schematic diagram in the embodiment of the present invention.
Fig. 3 is the schematic diagram of transformer bracket and copper tip integrated injection molding in the embodiment of the present invention.
Fig. 4 is the schematic diagram of coiling and copper tip welding in transformer bracket in the embodiment of the present invention.
Fig. 5 is the structural schematic diagram in the embodiment of the present invention in transformer integral support and PCB circuit.1 --- copper tip,
2 --- integral support, 3 --- magnetic core, 4 --- coiling, 5 --- terminal side opening, 6 --- pcb board, 7 --- pad.
Specific embodiment
It is as shown in Figure 1 the structural schematic diagram of transformer integral support structure of the present invention after assembling.
It is illustrated in figure 2 the structural schematic diagram of the discrete state of transformer integral support structure of the present invention, such as Fig. 1 and as schemed
Shown in 2, wherein including copper tip 1, transformer integral support 2, magnetic core 3, coiling 4.
It is illustrated in figure 3 the transformer integral support 2 of transformer integral support structure of the present invention, copper tip 1 uses
Structural schematic diagram after the mode integrated injection molding of inser-molding.
It is illustrated in figure 4 structure when welding after the completion of coiling with copper tip of transformer integral support structure of the present invention
Schematic diagram.
It is illustrated in figure 5 the structural schematic diagram that transformer integral support structure of the present invention is connect with PCB circuit board 6.
According to one or more embodiment, transformer integral support 2 and copper tip 1 use in-mould injection (inser-
Molding mode integrated injection molding), then coiling 4 needs to carry out coiling completion according to the practical turn ratio number of PCB circuit board 6,
The wire rod that sufficient length is reserved in diagram 4, then penetrates into the lateral opening hole 5 of copper tip 1, it is contemplated that actual welding situation,
Wire rod is reserved in coiling 4 can be higher by the lateral opening hole 5 of copper tip 1 in order to by welding, and such coiling just blocks in lateral opening hole 5
Firmly, do not need to use auxiliary station, can in wave-soldering furnace automatic welding, then assembled with magnetic core 2, test complete
It is welded at pad 7 with PCB circuit board 6 afterwards.Due to transformer integral support 2, inser-molding is used with copper tip 1
Mode integrated injection molding, therefore the dimensional accuracy of copper tip 1 is high, and has lateral opening hole 5 to block coiling 4, it is thereby achieved that from
Dynamicization welding.
Meanwhile may exist 2 or more transformer and inductance in PCB circuit board 6.
According to one or more embodiment, a kind of transformer, which includes:
Bracket, the bracket are integrated injection molding, including a top frame and it is multiple be parallel to each other it is vertical with top frame face,
And it is inlaid in the supporting plate in top frame, the centre of each supporting plate passes through a hollow horizontal cylinder perforation；
Multiple integrated injection molding is assembled simultaneously with bracket, and is mounted on the copper tip in top frame, the copper tip by upper protrusion,
Intermediate plate and lower process composition, are provided with terminal side opening on intermediate plate；
Magnetic core, magnetic core are made of left side and right side, and left side is rendered as " E " font, and right side is rendered as intermediate convex
The portion of rising is " E " font of tubular, and the left side of magnetic core and the middle part protrusion of right side penetrate in the horizontal cylinder by supporting plate, so that magnetic
The left side of core can be close to combine with right side；
Coiling, the terminal side opening that coiling passes through copper tip is wound on supporting plate, and the reserved wire rod of coiling exceeds copper tip
Terminal side opening.
The upper protrusion of the copper tip of the transformer passes through the via hole of pcb board, is realized and is welded with pcb board by protrusion on this
Assembling.
According to one or more embodiment, a kind of transformer, including transformer integral support, copper tip, magnetic core, around
Line.The transformer integral support structure uses high temperature resistant, and abrasion strength resistance is high, the plastic cement material of good electric property, cost
It is low, manufacture mature production technology.The copper tip structure, material use brass or red copper, have at low cost, versatility
Height, intensity is high, and conductivity is good, and conduction impedance is low, and corrosion resistance is good.The magnetic core selects to mark with specific reference to circuit topological structure
Quasi- part.The winding structure, according to the standard component for needing selection of circuit topological structure turn ratio number.
The transformer integral support is moulding, is produced using injection mold, has mature production technology, is suitble to large quantities of
The advantages that amount production, high production efficiency, precision is high, at low cost, is convenient for following process.
The copper tip is sheet metal component, using stamping die, convenient for producing in enormous quantities, has high production efficiency, and precision is high,
The advantages that non-defective unit is high, at low cost.
The magnetic core is press-formed part, has high production efficiency using press-moulding die convenient for producing in enormous quantities,
The advantages that precision is high, and non-defective unit is high, at low cost.
The coiling is standard component, can be mill tailors tack or be the wire rods such as enameled wire, specific needs are according to transformer
Turn ratio number carry out practical choice, convenient for produce in enormous quantities, have many advantages, such as high production efficiency, it is at low cost.
The entire production process of the present invention can all use mold, automated production, not manual discharge, whole foot, auxiliary
The artificial operation such as help.Therefore, transformer precision height, good reliability, are convenient for automated production, production efficiency are improved, to drop
Low cost.
It is worth noting that although foregoing teachings are by reference to several essences that detailed description of the preferred embodimentsthe present invention has been described creates
Mind and principle, it should be appreciated that, the invention is not limited to the specific embodiments disclosed, the division also unawareness to various aspects
Taste these aspect in feature cannot combine, it is this divide merely to statement convenience.The present invention is directed to cover appended power
Included various modifications and equivalent arrangements in the spirit and scope that benefit requires.
Claims (5)
1. a kind of transformer, which is characterized in that the transformer includes:
Bracket, the bracket are integrated injection molding, including a top frame and it is multiple be parallel to each other it is vertical with top frame face and embedding
The centre of supporting plate in top frame, each supporting plate passes through a hollow horizontal cylinder perforation；
Multiple integrated injection molding assembles simultaneously with bracket, and is mounted on the copper tip in top frame, and the copper tip is by upper protrusion, centre
Plate and lower process composition, are provided with terminal side opening on intermediate plate；
Magnetic core, magnetic core are made of left side and right side, and left side is rendered as " E " font, and right side is rendered as intermediate projections portion
For " E " font of tubular, the left side of magnetic core and the middle part protrusion of right side are penetrated in the horizontal cylinder by supporting plate, so that magnetic core
Left side can be close to combine with right side；
Coiling, the terminal side opening that coiling passes through copper tip is wound on supporting plate, and the reserved wire rod of coiling exceeds the end of copper tip
Sub- side opening.
2. transformer according to claim 1, which is characterized in that the upper protrusion of the copper tip of the transformer passes through PCB
The via hole of plate realizes welding assembly with pcb board by protrusion on this.
3. a kind of transformer manufacturing method, which includes bracket, copper tip, magnetic core and coiling as described in claim 1,
It is characterized in that,
Bracket is produced using injection mold, is integrated moulding；
Copper tip is sheet metal component, using stamping die；
Magnetic core is press-formed part, is produced using press-moulding die；
Coiling is standard component, using mill tailors tack or enameled wire wire rod.
4. transformer manufacturing method according to claim 3, which is characterized in that after coiling passes through the terminal side opening of copper tip
It is welded, and using the automatic welding in wave-soldering furnace.
5. transformer manufacturing method according to claim 3, which is characterized in that bracket and copper tip are using in-mould injection
The assembling of mode integrated injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240954.4A CN109927237A (en) | 2018-10-24 | 2018-10-24 | A kind of transformer and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811240954.4A CN109927237A (en) | 2018-10-24 | 2018-10-24 | A kind of transformer and its manufacturing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109927237A true CN109927237A (en) | 2019-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201811240954.4A Pending CN109927237A (en) | 2018-10-24 | 2018-10-24 | A kind of transformer and its manufacturing method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472755A (en) * | 2002-07-30 | 2004-02-04 | 致伸科技股份有限公司 | Coil frame of transformer |
| US20050052819A1 (en) * | 2003-04-11 | 2005-03-10 | Daniele Pianezze | Electric gas lighter which can be produced with any number of output terminals, and relative production method |
| CN101202159A (en) * | 2006-10-27 | 2008-06-18 | Tdk株式会社 | Planar coil component, method for winding end connection thereof and resonance transformer |
| US20090261934A1 (en) * | 2008-04-21 | 2009-10-22 | Wolfgram Industries, Inc. | High voltage pulse type transformer with increased coupling coefficient through primary and secondary winding proximity |
| US20150171564A1 (en) * | 2013-12-13 | 2015-06-18 | Foxconn Interconnect Technology Limited | Method and apparatus for terminating wire wound magnetic core |
| CN206516464U (en) * | 2016-12-29 | 2017-09-22 | 广安华讯电子有限公司 | High frequency transformer |
| CN208978129U (en) * | 2018-10-24 | 2019-06-14 | 常州索维尔电子科技有限公司 | A kind of transformer |
-
2018
- 2018-10-24 CN CN201811240954.4A patent/CN109927237A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1472755A (en) * | 2002-07-30 | 2004-02-04 | 致伸科技股份有限公司 | Coil frame of transformer |
| US20050052819A1 (en) * | 2003-04-11 | 2005-03-10 | Daniele Pianezze | Electric gas lighter which can be produced with any number of output terminals, and relative production method |
| CN101202159A (en) * | 2006-10-27 | 2008-06-18 | Tdk株式会社 | Planar coil component, method for winding end connection thereof and resonance transformer |
| US20090261934A1 (en) * | 2008-04-21 | 2009-10-22 | Wolfgram Industries, Inc. | High voltage pulse type transformer with increased coupling coefficient through primary and secondary winding proximity |
| US20150171564A1 (en) * | 2013-12-13 | 2015-06-18 | Foxconn Interconnect Technology Limited | Method and apparatus for terminating wire wound magnetic core |
| CN206516464U (en) * | 2016-12-29 | 2017-09-22 | 广安华讯电子有限公司 | High frequency transformer |
| CN208978129U (en) * | 2018-10-24 | 2019-06-14 | 常州索维尔电子科技有限公司 | A kind of transformer |
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