CN106373733A - Adjustable planar transformer and manufacturing method therefor - Google Patents
Adjustable planar transformer and manufacturing method therefor Download PDFInfo
- Publication number
- CN106373733A CN106373733A CN201610931820.1A CN201610931820A CN106373733A CN 106373733 A CN106373733 A CN 106373733A CN 201610931820 A CN201610931820 A CN 201610931820A CN 106373733 A CN106373733 A CN 106373733A
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- guide plate
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
- H01F27/2852—Construction of conductive connections, of leads
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
- H01F2027/2857—Coil formed from wound foil conductor
Abstract
The invention discloses an adjustable planar transformer. The adjustable planar transformer comprises a magnetic core assembly and a winding assembly, wherein the magnetic core assembly comprises a pair of magnetic cores which are correspondingly laminated to form the complete magnetic core assembly; the winding assembly is an integrated body which consists of a PCB winding board, sandwich layer boards and guiding boards in a stacking manner; through holes are formed in the middle part of the winding assembly; and the magnetic cores run through the through holes to be laminated mutually to form the complete planar transformer with the winding assembly. According to the adjustable planar transformer provided by the invention, a conventional PCB winding board is covered with a guiding board layer; the guiding boards are provided with copper foil convex points; the copper foil convex points are in lamination and contact with copper circuits on the PCB winding board; the turns ratio of the planar transformer is changed by the number of winding rings formed by the copper foil convex points, so as to change the ratio of transformation of the planar transformation; meanwhile, only the guiding board is needed to be added in the production process of the original planar transformer for producing the planar transformer with the adjustable ratio of transformation; and in addition, the guiding board can be obtained by only improvement on the basis of the PCB.
Description
Technical field
The invention belongs to planar transformer technology field, more particularly, to a kind of scalable flat surface transformer and its manufacturer
Method.
Background technology
In order to adapt to the requirement of energy-conservation and environmental protection, microelectronic circuit is currently in use increasingly lower running voltage, to require
In circuit, the energy of loss is fewer and feweri.The lower supply voltage of current this court and smaller transformation promptly change
Become supply and the packing technique of power supply.On the other hand, because direct-current switch power supply is towards compact development, with power
Quasiconductor and signal semiconductor device become less and less, how to reduce the work(due to playing the part of pivotal player in power system
Rate magnetic device overall dimensions become most important.Because the miniaturization of power transformer and inducer is maximum difficult point, one
All it has been subject to the common concern of domestic and international brainstrust since straight.
Flat surface transformer is a kind of new ferrite inductance element, because flat surface transformer is suitable for plane attachment, is electronics
Product realizes the major product of frivolous miniaturization.Compared with conventional transformator, flat surface transformer not only has the advantage in structure,
But also have that power density height, efficiency high, the low, thermal diffusivity of electric leakage be good and low cost and other advantages.With electronic technology not
Disconnected development, the application of flat surface transformer is rapidly spread to notebook computer, automotive electronics, medical treatment from single communication field
Electronics, security system, Industry Control, digital camera, digital to television, converter, inverter, various ac/dc, dc/dc conversion
The multiple fields such as device and military radar.
With traditional transformator using copper conductor as winding coil compared with, due to flat surface transformer winding coil adopt
Be that double-layer printing circuit board or the copper coin being prefabricated into plane are constituted, the exploitation as well as planar magnetic core obtains successfully,
Thus the design of transformer of planarization is achieved.While power density is greatly enhanced, volume but greatly reduces,
It is only equivalent to the 20% of conventional transformer, so the thickness of flat surface transformer is far below traditional transformator, be only equivalent to it
20% to 40% height.Due to the various clear superiorities of flat surface transformer, traditional skeleton change is replaced using flat surface transformer
Depressor is one of development trend of current switch power supply.
Existing flat surface transformer (especially high current, high power occasion), mostly using copper sheet as former/vice-side winding,
Multiple this windings are stacked, then form transformator together with magnetic core.Because current flat surface transformer structure sets
Meter is complex, and flat surface transformer forms fixation in structure, and therefore, existing plane no-load voltage ratio is all fixing, and many should
It is required to occasion flexibly be used using the no-load voltage ratio of transformator, only with current fixing no-load voltage ratio flat surface transformer, more
Change use cost high, change every time and be required to pay man power and material, under this applied environment, the versatility of flat surface transformer
Difference, range of application is narrower to be used it is impossible to widely carry out popularization, constrains the popularization and application of flat surface transformer.
Content of the invention
In order to solve above-mentioned technical problem, the present invention provides a kind of scalable flat surface transformer, including core assembly and around
Group assembly；Core assembly is that have the magnetic core that mutually corresponding laminating constitutes a solid core assembly for a pair；Winding assembly is by pcb
Winding plate, sandwich plate and guide plate stacking are integral, and the mid portion of winding assembly offers through hole, and magnetic core runs through through hole phase
Mutually fit, and constitute complete flat surface transformer with winding assembly.Scalable flat surface transformer proposed by the present invention, traditional
One layer of guide plate is covered on pcb winding plate, this guide plate is provided with Copper Foil salient point, Copper Foil salient point is electric with the copper on pcb winding plate
Road laminating contact, changes the turn ratio of flat surface transformer using the winding number of rings that Copper Foil salient point is formed, thus change plane becoming
The no-load voltage ratio of depressor, produces the flat surface transformer of this kind of scalable no-load voltage ratio meanwhile, adds only during primary plane transformer production
One guide plate, and this guide plate improves on the basis of pcb printed panel.
The present invention solves technical problem, be the technical scheme is that a kind of scalable flat surface transformer, including magnetic core group
Part and winding assembly, described core assembly is made up of the magnetic core that a pair can mutually correspond to laminating, and described magnetic core includes base plate, sets
Put the stem stem in portion and the crossbeam being arranged on base plate both sides in the soleplate；Winding assembly is by pcb winding plate, sandwich plate and guiding sheetpile
Build up as an entirety, pcb winding plate is laid with the circle around shape around copper foil circuit, in the mid portion of winding assembly
Offer through hole, the stem stem of two pieces of magnetic cores is bonded to each other after the through hole that two ends extend through in the middle of winding assembly；
Described pcb winding plate includes armature winding plate and secondary windings plate, and described sandwich plate has polylith, is separately positioned on
Between armature winding plate and secondary windings plate, and between core assembly and winding assembly；
Described guide plate has polylith, is mounted on armature winding plate and the outside of secondary windings plate respectively, on guide plate
It is provided with multiple Copper Foil salient points, described Copper Foil salient point is electrically connected around copper foil circuit with the circle laid on pcb winding plate.
Further, described winding assembly is successively by sandwich plate, guide plate, armature winding plate, sandwich plate, secondary windings
Plate, guide plate and sandwich plate stacking are constituted.
Preferably, described circle embeds around copper foil circuit and is laid on armature winding plate and secondary windings plate, in armature winding
The mid portion of plate and secondary windings plate all offers a through hole, all offers relative with this through hole on sandwich plate with guide plate
The through hole answered, this through hole is matched with the shape of the stem stem of magnetic core and size, and stem stem can be completely through sandwich plate, guide plate, just
The through hole opening up in the middle part of level winding plate and secondary windings plate.
Further, on armature winding plate and secondary windings plate, the circle of setting is provided with around the two ends of copper foil circuit
Contact point, described contact point passes through wire or conductor draws pcb winding plate, and the exit of this contact point is as flat surface transformer
Terminals.
Above-mentioned scalable flat surface transformer, described sandwich plate is for separating armature winding plate and secondary windings plate, and
Core assembly and the insulation board of winding assembly.
Above-mentioned scalable flat surface transformer, the multiple Copper Foil salient points on guide plate, it is correspondingly arranged at circle every around copper foil circuit
The knee of one ring, Copper Foil salient point is in close contact around the knee of copper foil circuit with circle.
Preferably, described guide plate is provided with terminals, and each Copper Foil salient point is corresponding to connect terminals, and Copper Foil is convex
The corresponding terminals electrical connection of point.
The manufacture method of above-mentioned scalable flat surface transformer, comprises the steps:
S1: all parts of processing and fabricating core assembly and winding assembly；
S2: the sandwich plate in winding assembly, guide plate, armature winding plate and secondary windings plate are carried out with laminating assembling, structure
Become complete winding assembly；Pcb winding plate carries out array loop circuit printing, the circuit shape of printing using circuit board printing technology
Shape is similar with the structure of coiled mosquito-repellent incense；Described pcb winding plate and guide plate carry out fitting assembling when, will be convex for the Copper Foil on guide plate
Point is corresponding with the knee of copper circuit on pcb winding plate to contact connection, after the completion of pcb winding plate is fitted with guide plate, should carry out
Energizing test, carries out next step assembling again after pass the test；
S3: the core assembly machining and the winding assembly being completed are carried out technique assembling, constitutes complete putting down
Face transformator；Core assembly is fixedly mounted on the outside of winding assembly, and core assembly has fixing work to winding assembly simultaneously
With, after each half storey in winding assembly is connected by being adhesively fixed, core assembly plays fixation to winding assembly further
Effect；
S4: the flat surface transformer being completed carries out test adjustment, described test adjustment content be transformator work efficiency,
Leakage inductance, conduction of heat, operating frequency, operating temperature and insulating properties, wherein work efficiency reach 99%, leakage inductance and are less than 0.1%, work
Working frequency 50 KHz to 20 megahertzs, operating temperature -60 be dielectrically separated to 150 DEG C and 10000v, debugging complete to be packaged into
Storehouse.
Further, described armature winding plate and secondary windings plate and guide plate carry out fitting assembling when, by guide plate
Copper Foil salient point and the circle on armature winding plate and secondary windings plate around copper foil circuit knee corresponding contact connection, primary around
Group plate and secondary windings plate fit with guide plate after the completion of carry out energizing test, carry out next step assembling after pass the test again.
Compared with prior art, the invention has the following beneficial effects: a kind of adjustable pitch plane transformation proposed by the present invention
Device, covers one layer of guide plate on traditional pcb winding plate again, and this guide plate is provided with substantial amounts of Copper Foil salient point, Copper Foil salient point with
Copper foil circuit laminating contact on pcb winding plate, using Copper Foil salient point winding number of rings everywhere, to change the circle of flat surface transformer
Number ratio, reaches the no-load voltage ratio changing flat surface transformer, produces the flat surface transformer of this kind of scalable no-load voltage ratio, only original meanwhile
Add one piece of guide plate in the production process of flat surface transformer, and this guide plate improves on the basis of pcb printed panel, because
This, manufacturing process is simple, using minimum cost, produces the adjustable plane transformator of high performance-price ratio, substantially increases production
Technology and the level of production technology.
Brief description
Fig. 1 is the schematic, exploded perspective view illustrating transformator according to an exemplary embodiment of the present invention；
Fig. 2 is the schematic side elevation illustrating transformator according to an exemplary embodiment of the present invention；
Fig. 3 is the hardened composition of pcb winding illustrating transformator according to an exemplary embodiment of the present invention；
Fig. 4 is the guide plate structure chart illustrating transformator according to an exemplary embodiment of the present invention；
Fig. 5 is to illustrate transformer manufacturing method flow diagram according to an exemplary embodiment of the present invention.
In figure: 1, core assembly, 2, winding assembly, 3, pcb winding plate, 4, sandwich plate, 5, guide plate, 6, through hole, 7, just
Level winding plate, 8, secondary windings plate, 9, Copper Foil salient point, 10, crossbeam, 11, stem stem, 12, circle around copper foil circuit, 13, terminals.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Refer to Fig. 1 to Fig. 4, the present invention provides a kind of scalable flat surface transformer, including core assembly 1 and winding assembly
2, core assembly 1 is made up of the magnetic core that a pair can mutually correspond to laminating, and described magnetic core includes base plate, is arranged in the middle part of base plate
Stem stem 11 and the crossbeam 10 being arranged on base plate both sides；Winding assembly 2 is become by pcb winding plate 3, sandwich plate 4 and guide plate 5 stacking
One entirety, is laid with the circle around shape around copper foil circuit 12, the mid portion of winding assembly 2 opens up on pcb winding plate 3
There is through hole 6, the stem stem 11 of two pieces of magnetic cores is bonded to each other after the through hole 6 that two ends extend through in the middle of winding assembly 2；Described pcb
Winding plate 3 includes armature winding plate 7 and secondary windings plate 8, and described sandwich plate 4 has polylith, and sandwich plate 4 is insulation insulating course,
It is separately positioned between armature winding plate 7 and secondary windings plate 8, and between core assembly 1 and winding assembly 2；Described guiding
Plate 5 has polylith, is mounted on armature winding plate 7 and the outside of secondary windings plate 8 respectively, is provided with multiple Copper Foils on guide plate 5
Salient point 9, described Copper Foil salient point 9 is electrically connected around copper foil circuit 12 with the circle laid on pcb winding plate 3.
Winding assembly 2 is successively by sandwich plate 4, guide plate 5, armature winding plate 7, sandwich plate 4, secondary windings plate 8, guide plate
5 and sandwich plate 4 stacking constitute, each plate body is overlapped mutually, and is adhesively fixed by bonding agent, or fixing folded by core assembly 1
It is added together, winding plate is superimposed upon the magnetic loop constituting transformator on the high-frequency core of plane, can meet the design of resonance circuit
Require, and due to the good magnetic shield of magnetic core, Radio frequency interference can be suppressed.
The magnetic core of flat surface transformer adopts undersized e type, rm type or ring-like FERRITE CORE, excellent in the present embodiment
First adopt e type magnetic core, the height of preferred magnetic core is 0.1cm-10cm, and preferred core length is 1cm-20cm, preferred magnetic
Core length is 1cm-15cm, is typically made up of high-frequency power ferrite material, has relatively low core loss in high frequency.
In the present embodiment, circle embeds around copper foil circuit 12 and is laid on armature winding plate 7 and secondary windings plate 8,
The mid portion of armature winding plate 7 and secondary windings plate 8 all offers a through hole 6, all opens up on sandwich plate 4 and guide plate 5
There is the through hole corresponding with this through hole 6, this through hole 6 is matched with the shape of the stem stem 11 of magnetic core and size, stem stem 11 can be completely
Run through the through hole 6 opening up in the middle part of sandwich plate 4, guide plate 5, armature winding plate 7 and secondary windings plate 8.
In the present embodiment, the armature winding plate 7 of composition pcb winding plate 3 and secondary windings plate 8 are all using multi-sheet printed
Repeatedly around forming, winding or copper sheet change and constitute the magnetic loop of transformator on the high-frequency core of plane circuit board, and this design has
Low direct current copper resistance, low leakage inductance and distribution capacity, can meet the design requirement of resonance circuit, and due to the good magnetic of magnetic core
Shielding, can suppress Radio frequency interference.
In the present embodiment, the circle arranging on armature winding plate 7 and secondary windings plate 8 is around the head and the tail of copper foil circuit 12
End is provided with contact point, and described contact point passes through wire or conductor draws pcb winding plate 3, the exit conduct of this contact point
The terminals 13 of flat surface transformer.Described sandwich plate 4 is for separating armature winding plate 7 and secondary windings plate 8, and magnetic core group
Part 1 and the insulation board of winding assembly 2, sandwich plate 4 preferably uses insulation resin sheet.
In the present embodiment, the multiple Copper Foil salient points 9 on guide plate 5, are correspondingly arranged at circle each around copper foil circuit 12
The knee of ring, Copper Foil salient point 9 is in close contact around the knee of copper foil circuit 12 with circle.Terminals 13 are provided with guide plate 5,
Each Copper Foil salient point 9 is corresponding to connect terminals 13, the corresponding terminals electrical connection of Copper Foil salient point 9.When guide plate 5
With during pcb winding plate 3 superposition laminating, Copper Foil salient point 9 is in close contact around the knee of copper circuit 12 with circle, each Copper Foil salient point 9
All drawn by wire, the coil that the Copper Foil salient point 9 of inner ring contains is fewer, and therefore no-load voltage ratio is also less, the Copper Foil salient point 9 of outer ring
The coil containing is more, and therefore no-load voltage ratio is also bigger.
Pcb winding plate 3 can save winding skeleton, energy increasing heat radiation area, can reduce in high-frequency work by kelvin effect
With the eddy-current loss caused by kindred effect, also can increase electric current density, its electric current density reaches as high as 20a/mm2, power is big,
Process is simple, has preferable window utilization rate using pcb plate, up to 0.25～0.3, and has the advantages that small volume；Pcb type
Its power of transformator may be up to 20kw, and frequency is up to a megahertz order of magnitude；Using the planar technique of pulse, multilamellar pcb is clipped in magnetic core
Between, thin and efficient ferrite flat surface transformer, its bottom area is little, height only have 7.4mm, operating frequency be 150～
750khz, operating temperature is -400～1300 DEG C.
Refer to Fig. 5, a kind of scalable flat surface transformer, its manufacture method comprises the steps:
S1: all parts of processing and fabricating core assembly 1 and winding assembly 2；
S2: laminating assembling is carried out to the sandwich plate 4 in winding assembly 2, guide plate 5, pcb winding plate 3, constitute complete around
Group assembly 2；Pcb winding plate 3 carries out array loop circuit printing, the circuitry shapes of printing and plate-like using circuit board printing technology
The structure of mosquito incense is similar to；Described pcb winding plate 3 and guide plate 5 carry out fitting assembling when, by the Copper Foil salient point 9 on guide plate 5 with
On pcb winding plate 3, the corresponding contact of the knee of copper circuit connects, and after the completion of pcb winding plate 3 is fitted with guide plate 5, should be led to
Electric test, carries out next step assembling again after pass the test；
S3: the core assembly machining 1 is carried out technique assembling with the winding assembly 2 being completed, constitutes complete
Flat surface transformer；Core assembly 1 is fixedly mounted on the outside of winding assembly 2, and core assembly 1 has to winding assembly 2 admittedly simultaneously
Fixed effect, after each half storey in winding assembly 2 is connected by being adhesively fixed, core assembly 1 is further to winding assembly 2
Play fixation；
S4: the flat surface transformer being completed carries out test adjustment, described test adjustment content be transformator work efficiency,
Leakage inductance, conduction of heat, operating frequency, operating temperature and insulating properties, wherein work efficiency reach 99%, leakage inductance and are less than 0.1%, heat
Conduction is good, operating frequency 50 KHz to 20 megahertzs, operating temperature -60 be dielectrically separated to 150 DEG C and 10000v, adjust
Examination completes packaging and storage.
Described pcb winding plate 3 and guide plate 5 carry out fitting assembling when, need to by the Copper Foil salient point 9 on guide plate 5 and pcb around
On group plate 3, the corresponding contact of the knee of copper circuit connects, and after the completion of pcb winding plate 3 is fitted with guide plate 5, need to carry out energising examination
Test, after pass the test, carry out next step assembling again.
In sum, a kind of scalable flat surface transformer of the present invention, is covering one layer on traditional pcb winding plate 3
Guide plate 5, this guide plate 5 is provided with substantial amounts of Copper Foil salient point 9, and Copper Foil salient point 9 is fitted with the copper circuit on pcb winding plate 3 and connect
Touch, using Copper Foil salient point 9 winding number of rings everywhere, to change the turn ratio of flat surface transformer, reach and change flat surface transformer
No-load voltage ratio, produces the flat surface transformer of this kind of scalable no-load voltage ratio meanwhile, only adds in the production process of original flat surface transformer
One piece of guide plate 5, and this guide plate 5 improves on the basis of pcb printed panel, therefore, manufacturing process is simple, using minimum
Cost, produce the adjustable plane transformator of high performance-price ratio, substantially increase the level of production technology and production technology.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible
Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention
And modification, the scope of the present invention be defined by the appended.
Claims (7)
1. a kind of scalable flat surface transformer, including core assembly (1) and winding assembly (2) it is characterised in that:
Core assembly (1) is made up of the magnetic core that a pair can mutually correspond to laminating, and described magnetic core includes base plate, setting in the soleplate
The stem stem (11) in portion and the crossbeam (10) being arranged on base plate both sides；
Winding assembly (2), becomes an entirety by pcb winding plate (3), sandwich plate (4) and guide plate (5) stacking, in pcb winding
It is laid with plate (3) in the circle around shape around copper foil circuit (12), the mid portion of winding assembly (2) offers through hole (6), two
It is bonded to each other afterwards that the stem stem (11) of block magnetic core extends through the middle through hole (6) of winding assembly (2) from two ends；
Described pcb winding plate (3) includes armature winding plate (7) and secondary windings plate (8), and described sandwich plate (4) has polylith, point
It is not arranged between armature winding plate (7) and secondary windings plate (8), and between core assembly (1) and winding assembly (2)；
Described guide plate (5) has polylith, is mounted on armature winding plate (7) and the outside of secondary windings plate (8) respectively, in guiding
Plate (5) is provided with multiple Copper Foil salient points (9), and the circle that described Copper Foil salient point (9) is above laid with pcb winding plate (3) is around copper foil circuit
(12) electrically connect；
Described circle embeds around copper foil circuit (12) and is laid on armature winding plate (7) and secondary windings plate (8), in armature winding plate
(7) and the mid portion of secondary windings plate (8) all offers a through hole (6), sandwich plate (4) and guide plate (5) all open up
There is the through hole corresponding with this through hole (6), this through hole (6) is matched with the shape of the stem stem (11) of magnetic core and size, stem stem
(11) can be completely through the through hole opening up in the middle part of sandwich plate (4), guide plate (5), armature winding plate (7) and secondary windings plate (8)；
It is provided with around the two ends of copper foil circuit (12) in the circle of armature winding plate (7) and the upper setting of secondary windings plate (8) and connect
Contact, described contact point passes through wire or conductor draws pcb winding plate (3), and the exit of this contact point is as flat surface transformer
Terminals (13).
2. a kind of scalable flat surface transformer according to claim 1 it is characterised in that: described winding assembly (2) is successively
By sandwich plate (4), guide plate (5), armature winding plate (7), sandwich plate (4), secondary windings plate (8), guide plate (5) and sandwich plate
(4) stacking is constituted.
3. a kind of scalable flat surface transformer according to claim 1 it is characterised in that: described sandwich plate (4) be for
Cut-off armature winding plate (7) and secondary windings plate (8), and the insulation board of core assembly (1) and winding assembly (2).
4. a kind of scalable flat surface transformer according to claim 1 it is characterised in that: the multiple copper on guide plate (5)
Paper tinsel salient point (9), is correspondingly arranged at the knee enclosing around each ring of copper foil circuit (12), Copper Foil salient point (9) and circle are around copper foil circuit
(12) knee is in close contact.
5. a kind of scalable flat surface transformer according to claim 4 it is characterised in that: described guide plate (5) is provided with
Terminals (13), each Copper Foil salient point (9) is corresponding to connect a terminals (13), the corresponding wiring of Copper Foil salient point (9)
End (13) electrical connection.
6. the scalable flat surface transformer any one of claim 1 to 5 manufacture method it is characterised in that include as
Lower step:
S1: all parts of processing and fabricating core assembly (1) and winding assembly (2)；
S2: the sandwich plate (4) in winding assembly (2), guide plate (5), armature winding plate (7) and secondary windings plate (8) are carried out
Laminating assembling, constitutes complete winding assembly (2)；Pcb winding plate (3) carries out array loop circuit using circuit board printing technology
Print, the circuitry shapes of printing are similar with the structure of coiled mosquito-repellent incense；Described pcb winding plate (3) and guide plate (5) are carried out fitting group
During dress, contact connection, pcb by corresponding with the knee of the upper copper circuit of pcb winding plate (3) for the Copper Foil salient point (9) on guide plate (5)
After the completion of winding plate (3) is fitted with guide plate (5), energizing test should be carried out, after pass the test, carry out next step assembling again；
S3: by the core assembly machining (1) with the winding assembly (2) that is completed carries out technique assembling, constitute complete
Flat surface transformer；Core assembly (1) is fixedly mounted on the outside of winding assembly (2), and core assembly (1) is to winding assembly simultaneously
(2) there is fixing effect, after each half storey in winding assembly (2) connects by being adhesively fixed, core assembly (1) enters one
Step plays fixation to winding assembly (2)；
S4: the flat surface transformer being completed carries out test adjustment, and described test adjustment content is transformator work efficiency, leakage
Sense, conduction of heat, operating frequency, operating temperature and insulating properties, wherein work efficiency reach 99%, leakage inductance and are less than 0.1%, work
Frequency 50 KHz to 20 megahertzs, operating temperature -60 be dielectrically separated to 150 DEG C and 10000v, debugging complete packaging and storage.
7. a kind of scalable flat surface transformer according to claim 6 manufacture method it is characterised in that: described primary around
Group plate (7) and secondary windings plate (8) and guide plate (5) carry out fitting when assembling, by the Copper Foil salient point (9) on guide plate (5) and
Armature winding plate (7) contacts connection, armature winding with the circle on secondary windings plate (8) around the knee correspondence of copper foil circuit (12)
Plate (7) and secondary windings plate (8) carry out energizing test after the completion of fitting with guide plate (5), carry out next step after pass the test again
Assembling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931820.1A CN106373733B (en) | 2016-10-31 | 2016-10-31 | A kind of adjustable flat surface transformer and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610931820.1A CN106373733B (en) | 2016-10-31 | 2016-10-31 | A kind of adjustable flat surface transformer and its manufacture method |
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| Publication Number | Publication Date |
|---|---|
| CN106373733A true CN106373733A (en) | 2017-02-01 |
| CN106373733B CN106373733B (en) | 2017-11-14 |
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| CN201610931820.1A Expired - Fee Related CN106373733B (en) | 2016-10-31 | 2016-10-31 | A kind of adjustable flat surface transformer and its manufacture method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11600429B1 (en) | 2020-01-24 | 2023-03-07 | Rockwell Collins, Inc. | Geometrically configurable planar wafers |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138608Y (en) * | 2007-12-14 | 2008-10-22 | 蔡俊东 | Novel planar transformer |
| US20100289610A1 (en) * | 2009-05-12 | 2010-11-18 | Jacobson Boris S | Planar magnetic structure |
| CN102237187A (en) * | 2010-04-30 | 2011-11-09 | 深圳市澳磁电源科技有限公司 | Planar transformer and method for manufacturing same through integration |
| CN204390863U (en) * | 2015-03-09 | 2015-06-10 | 刘晓霖 | The inductance of a kind of Based PC B or device for transformer |
| CN105590735A (en) * | 2016-03-14 | 2016-05-18 | 饶波 | Planar transformer |
| CN105914011A (en) * | 2016-05-31 | 2016-08-31 | 深圳市麦吉瑞科技有限公司 | Planar transformer |
| DE102016205276A1 (en) * | 2015-04-08 | 2016-10-13 | Lear Corporation | Cooling process for a planar electric power transformer |
-
2016
- 2016-10-31 CN CN201610931820.1A patent/CN106373733B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201138608Y (en) * | 2007-12-14 | 2008-10-22 | 蔡俊东 | Novel planar transformer |
| US20100289610A1 (en) * | 2009-05-12 | 2010-11-18 | Jacobson Boris S | Planar magnetic structure |
| CN102237187A (en) * | 2010-04-30 | 2011-11-09 | 深圳市澳磁电源科技有限公司 | Planar transformer and method for manufacturing same through integration |
| CN204390863U (en) * | 2015-03-09 | 2015-06-10 | 刘晓霖 | The inductance of a kind of Based PC B or device for transformer |
| DE102016205276A1 (en) * | 2015-04-08 | 2016-10-13 | Lear Corporation | Cooling process for a planar electric power transformer |
| CN105590735A (en) * | 2016-03-14 | 2016-05-18 | 饶波 | Planar transformer |
| CN105914011A (en) * | 2016-05-31 | 2016-08-31 | 深圳市麦吉瑞科技有限公司 | Planar transformer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11600429B1 (en) | 2020-01-24 | 2023-03-07 | Rockwell Collins, Inc. | Geometrically configurable planar wafers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106373733B (en) | 2017-11-14 |
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