CN206834020U - A kind of high frequency transformer voltage-regulating winding structure - Google Patents
A kind of high frequency transformer voltage-regulating winding structure Download PDFInfo
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- CN206834020U CN206834020U CN201720353572.7U CN201720353572U CN206834020U CN 206834020 U CN206834020 U CN 206834020U CN 201720353572 U CN201720353572 U CN 201720353572U CN 206834020 U CN206834020 U CN 206834020U
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Abstract
The utility model discloses a kind of high frequency transformer voltage-regulating winding structure,Including shell,The cover top portion is provided with multigroup air vent,The cover top portion is provided with drying box,The outer casing underpart is provided with two groups of collets,Magnetic core is fixed among two groups of collets,Multigroup fin is cased with the magnetic core,The fin surface scribbles thermal grease layer with outermost layer,The magnetic core innermost layer is wound with primary coil,Three-layer insulated pad is wound with outside the primary coil,Secondary coil is wound with the outside of the insulating cell,The magnetic core lower end is provided with two groups of spaghettis,And it is respectively fitted on primary coil and secondary coil,The collets bottom is fixed with base,Originally it is new that there is good radiating,Humidity resistance,A variety of environment can be applicable,Winding steady operation is effectively ensured,And extend winding service life,In addition there is good electromagnetism interference performance.
Description
Technical field
Transformer device structure technical field is the utility model is related to, specially a kind of high frequency transformer voltage-regulating winding structure.
Background technology
In the various electronics during we live, high frequency transformer is a very important electronic component, because
High frequency transformer, which can provide various voltage stratum, ensures systems in operation, there is provided is able in system with different potentials operation part
Electrical isolation, high impedance is provided to alternating current, but low impedance is then provided direct current, under different current potentials, maintained or repair
Waveform and frequency response are adornd, and wherein winding construction is the critical component for realizing pressure regulation operation, its operation principle and simple transformation
Device operation principle is identical, will be when being connected with alternating current in primary coil, iron core（Or magnetic core）In just produce exchange flux, make
Voltage is induced in secondary coil（Or electric current）.
Our widely used voltage-regulating winding structures at present, some following deficiency is primarily present by carefully analyzing：First,
Because high frequency transformer needs to carry out transformation regulation, and working environment is high frequency environment, causes flux in magnetic core huge, and
Induced-current can be produced in coil therewith, so that magnetic core coil produces huge heat, is easily led under long-time use
Winding is caused to burn out or because high temperature causes magnetic core internal irregularity, damage tap-changing windings；Secondly as transformer use environment is each not
It is identical, when running into more moist environment, because the moisture in air can be penetrated into winding, not only reduce the exhausted of its insulating barrier
Edge, and coil leakage electromagnetism can be caused, long-term use also results in the corrosion of internal original paper；Finally, due to transformer magnetic
The leakage magnetic flux of core air gap can trigger spuious written resignation to produce common mode transmitting to proximate circuitry, can influence EMI indexs, cause to produce electromagnetism
Interference.
Utility model content
To achieve the above object, the utility model provides following technical scheme：A kind of high frequency transformer voltage-regulating winding structure,
Including shell, the cover top portion is provided with multigroup air vent, and the cover top portion is provided with drying box, and the outer casing underpart is provided with
Two groups of collets, magnetic core is fixed among two groups of collets, multigroup fin, the fin table are cased with the magnetic core
Face scribbles thermal grease layer with outermost layer, and the magnetic core innermost layer is wound with primary coil, is wound with outside the primary coil
Three-layer insulated pad, the insulating cell outside are wound with secondary coil, and the magnetic core lower end is provided with two groups of spaghettis, and divides
Primary coil is not enclosed on and on secondary coil, the collets bottom is fixed with base.
As a kind of preferable technical scheme of the utility model, the cover top portion is provided with multigroup dried hole, the drying
Hole is connected with drying box.
As a kind of preferable technical scheme of the utility model, the fin is disc-shaped, and centre is provided with multigroup card
Wire casing, the fin centre are provided with insulation retainer plate.
As a kind of preferable technical scheme of the utility model, the chassis interior is provided with four groups of connectors, and wherein two
Group connects primary coil and secondary coil respectively.
As a kind of preferable technical scheme of the utility model, copper foil tape is provided between the shell and base.
Compared with prior art, the beneficial effects of the utility model are：The new winding construction, by setting fin to make
Coil is dissipated in surrounding environment by fin in time with caused heat in magnetic core, and scribbles heat-conducting silicone grease ability on a heat sink
It can enough be conducted with accelerated heat, be scattered and disappeared beneficial to heat, while insulation can be played a part of, prevent from leaking electricity, pass through setting in addition
Air vent can be advantageous to the radiating inside winding construction；Secondly, by setting drying box, electronic component is placed in drying box
Drier, and processing is dried in air near coil using dried hole, ensure the drying of winding working environment, effectively prevent
The next electric leakage of humid zone, the element surface such as leakage field hidden danger, hold-in winding are dried, and prevent from being corroded；Secondly, by shell and bottom
Copper foil tape is set between seat, effectively prevents interior flux from leaking outside, while the electromagnetic interference in the external world can be prevented；Secondly, by primary
Coil is wound on same magnetic core jointly with secondary coil, and primary coil is wound into inner ring, is made every circle line length most short, is made
Whole primary coil winding is reduced with line, the distribution capacity of primary coil itself is effectively reduced, in addition, can effectively reduce outside inductance
Leakage.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model heat sink structure illustration.
Fig. 3 is that the utility model coil winds schematic diagram
In figure：1- shells；2- air vents；3- drying boxes；4- collets；5- magnetic cores；6- fin；7- thermal grease layers；
8- primary coils；9- insulating cells；10- secondary coils；11- spaghettis；12- bases；13- dried holes；14- cable clamping interfaces；15-
Insulate retainer plate；16- connectors；17- copper foil tape.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Embodiment：
Fig. 1 to Fig. 3 is referred to, the utility model provides a kind of technical scheme：A kind of high frequency transformer voltage-regulating winding structure,
Including shell 1, the top of shell 1 is provided with multigroup air vent 2, and the top of shell 1 is provided with drying box 3, and the shell 1 pushes up
Portion is provided with multigroup dried hole 13, and the dried hole 13 is connected with drying box 3, for the air near coil to be dried, institute
State the bottom of shell 1 and be provided with two groups of collets 4, be fixed with magnetic core 5 among two groups of collets 4, be cased with the magnetic core 5 multigroup
Fin 6, the fin 6 are disc-shaped, and centre is provided with multigroup cable clamping interface 14, and it is solid to be provided with insulation among the fin 6
Surely 15 are enclosed, coil is may pass through fin 6 when winding, coil winding will not be influenceed because of fin 6, insulation retainer plate 15 makes radiating
Piece 6 is stabilized on magnetic core 5, and the surface of fin 6 scribbles thermal grease layer 7 with outermost layer, and the innermost layer of magnetic core 5 is wound with
Primary coil 8, three-layer insulated pad 9 is wound with outside the primary coil 8, and the outside of insulating cell 9 is wound with secondary wire
Circle 10, the lower end of magnetic core 5 is provided with two groups of spaghettis 11, and is respectively fitted on primary coil 8 and secondary coil 10, described exhausted
The bottom of edge block 4 is fixed with base 12, and the inside of base 12 is provided with four groups of connectors 16, and wherein two groups connect primary line respectively
Circle 8 and secondary coil 10, are easy to connect and export primary coil 8 and secondary coil 10, copper is provided between the shell 1 and base 12
Foil 17, for preventing electromagnetic interference.
Specifically used mode and advantage：The new winding construction, it is caused in coil and magnetic core by setting fin to make
Heat is dissipated in surrounding environment by fin in time, and is scribbled heat-conducting silicone grease on a heat sink and be able to can be passed with accelerated heat
Lead, scattered and disappeared beneficial to heat, while insulation can be played a part of, prevent from leaking electricity, in addition by setting air vent to be advantageous to
Radiating inside winding construction；Secondly, by setting drying box, electronic component drier is placed in drying box, and is utilized dry
Processing is dried in air near coil by dry hole, ensures the drying of winding working environment, effectively prevent humid zone electric leakage,
The element surfaces such as leakage field hidden danger, hold-in winding are dried, and prevent from being corroded；Secondly, by setting copper foil tape between shell and base,
Effectively prevent interior flux from leaking outside, while the electromagnetic interference in the external world can be prevented；Secondly, primary coil and secondary coil are total to
It is same to be wound on same magnetic core, and primary coil is wound into inner ring, make every circle line length most short, make whole primary coil winding
Reduced with line, effectively reduce the distribution capacity of primary coil itself, in addition, inductance leakage can be effectively reduced.
Operation principle of the present utility model：By using copper foil tape, short-circuited conducting band is formed to stray magnetic field, in short-circuited conducting band
Induce inverse current, the effect of stray magnetic field by magnetic field cancellation caused by it, can effective help reduce electromagnetic interference.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Claims (5)
1. a kind of high frequency transformer voltage-regulating winding structure, including shell（1）, it is characterised in that：The shell（1）Top is provided with more
Group air vent（2）, the shell（1）Top is provided with drying box（3）, the shell（1）Bottom is provided with two groups of collets（4）,
Two groups of collets（4）Centre is fixed with magnetic core（5）, the magnetic core（5）On be cased with multigroup fin（6）, the fin
（6）Surface scribbles thermal grease layer with outermost layer（7）, the magnetic core（5）Innermost layer is wound with primary coil（8）, the primary
Coil（8）Outside is wound with three-layer insulated pad（9）, the insulating cell（9）Outside is wound with secondary coil（10）, the magnetic
Core（5）Lower end is provided with two groups of spaghettis（11）, and it is respectively fitted over primary coil（8）With secondary coil（10）On, the insulation
Block（4）Bottom is fixed with base（12）.
A kind of 2. high frequency transformer voltage-regulating winding structure according to claim 1, it is characterised in that：The shell（1）Top
Portion is provided with multigroup dried hole（13）, the dried hole（13）With drying box（3）It is connected.
A kind of 3. high frequency transformer voltage-regulating winding structure according to claim 1, it is characterised in that：The fin（6）
For disc-shaped, and middle it is provided with multigroup cable clamping interface（14）, the fin（6）Centre is provided with insulation retainer plate（15）.
A kind of 4. high frequency transformer voltage-regulating winding structure according to claim 1, it is characterised in that：The base（12）It is interior
Portion is provided with four groups of connectors（16）, and wherein two groups connect primary coil respectively（8）With secondary coil（10）.
A kind of 5. high frequency transformer voltage-regulating winding structure according to claim 1, it is characterised in that：The shell（1）With
Base（12）Between be provided with copper foil tape（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353572.7U CN206834020U (en) | 2017-04-06 | 2017-04-06 | A kind of high frequency transformer voltage-regulating winding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720353572.7U CN206834020U (en) | 2017-04-06 | 2017-04-06 | A kind of high frequency transformer voltage-regulating winding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206834020U true CN206834020U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720353572.7U Active CN206834020U (en) | 2017-04-06 | 2017-04-06 | A kind of high frequency transformer voltage-regulating winding structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361673A (en) * | 2018-04-08 | 2018-08-03 | 吴江市华安电器有限公司 | A kind of gas tube sign transformer |
-
2017
- 2017-04-06 CN CN201720353572.7U patent/CN206834020U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108361673A (en) * | 2018-04-08 | 2018-08-03 | 吴江市华安电器有限公司 | A kind of gas tube sign transformer |
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