CN208580648U - Anti-interference high-frequency electronic transformer - Google Patents
Anti-interference high-frequency electronic transformer Download PDFInfo
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- CN208580648U CN208580648U CN201821134085.2U CN201821134085U CN208580648U CN 208580648 U CN208580648 U CN 208580648U CN 201821134085 U CN201821134085 U CN 201821134085U CN 208580648 U CN208580648 U CN 208580648U
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Abstract
The utility model discloses a kind of anti-interference high-frequency electronic transformer, and anti-interference high-frequency electronic transformer includes the first UF type core assembly and the 2nd UF type core assembly, the first skeleton, first coil, the second skeleton, the second coil, the first shielding part and secondary shielding part being oppositely arranged；First UF type core assembly includes that side by side and spaced first magnetic core column and the second magnetic core column and the first connecting portion for connecting the first magnetic core column and the second magnetic core column, the 2nd UF type core assembly includes side by side and the second connecting portion of spaced third magnetic core column and the 4th magnetic core column and connection third magnetic core column and the 4th magnetic core column；First skeleton is socketed on the first magnetic core column and third magnetic core column, and the second skeleton is socketed on the second magnetic core column and the 4th magnetic core column；First shielding part is wrapped in first coil, and secondary shielding part is wrapped on the second coil, and the anti-interference high-frequency electronic transformer of the utility model improves the anti-interference ability of high-frequency electronic transformer.
Description
Technical field
The utility model relates to transformer technology field, in particular to a kind of anti-interference high-frequency electronic transformer.
Background technique
High-frequency electronic transformer shielding generally uses copper foil, between primary and secondary winding, outside coil outsourcing or magnetic core
Packet adds copper foils for shielding simultaneously, for the electromagnetic interference between suppression coil and magnetic core.When high-frequency electronic transformer work exists
In power circuit, working frequency reaches 50KHz~100KHz, and what is had is even higher, and external high frequency spurs signal and external magnetic field are dry
It disturbs and then has having a significant impact to high-frequency electronic transformer, copper foils for shielding is ineffective and high-frequency electronic transformer is usually first
Grade winding technique on the same backbone, is easy in the production process by the flatness of coiling, elastic, pulling force size and plays end
The hanging feet position of head, hanging wire angle whether be in 90 degree and total number of turns influence so that coil magnetic flux leakage for generating when being powered
Unevenly, leakage inductance consistency is bad, causes whole using effect of the high-frequency electronic transformer in high-frequency power supply circuit bad.
Utility model content
The main purpose of the utility model is to provide a kind of anti-interference high-frequency electronic transformer, it is intended to improve high-frequency electronic change
Depressor work is in the higher circuit of frequency to the anti-interference ability of extraneous electromagnetic signal.
To achieve the above object, the utility model proposes a kind of anti-interference high-frequency electronic transformer, the anti-interference high-frequency electricals
Sub- transformer includes the first UF type core assembly being oppositely arranged and the 2nd UF type core assembly, the first skeleton, is wound on first
First coil, the second skeleton on skeleton, the second coil, the first shielding part and the secondary shielding part being wound on the second skeleton；
The first UF type core assembly includes side by side and spaced first magnetic core column and the second magnetic core column and connection described the
The first connecting portion of one magnetic core column and the second magnetic core column, the 2nd UF type core assembly include side by side and spaced
The second connecting portion of third magnetic core column and the 4th magnetic core column and connection the third magnetic core column and the 4th magnetic core column；It is described
First skeleton is socketed on the first magnetic core column and the third magnetic core column, and second skeleton is socketed on second magnetic core
On column and the 4th magnetic core column；First shielding part is wrapped in the first coil, and the secondary shielding part is wrapped in
On second coil；The lead-out wire of the first coil is correspondingly connected with the contact pin on first skeleton, second line
The lead-out wire of circle is correspondingly connected with the contact pin on second skeleton.
Preferably, first shielding part and the secondary shielding part are copper sheet metal, the thickness of the copper sheet metal
Degree is 1mm.
Preferably, the first mounting portion is also convexly equipped on first shielding part, first mounting portion is provided with the first magnetic
Property part.
Preferably, first magnetic part is nickel zinc magnet ring or nickel zinc magnetic bead.
Preferably, the second mounting portion is also convexly equipped on the secondary shielding part, second mounting portion is provided with the second magnetic
Property part.
Preferably, second magnetic part is nickel zinc magnet ring or nickel zinc magnetic bead.
Preferably, the anti-interference high-frequency electronic transformer further includes insulation fixing plate, and the insulation fixing plate is equipped with
Multiple shaped openings, first shielding part and the secondary shielding part pass through multiple described shaped openings correspondence and are fixed on primary
On coil and secondary coil.
Preferably, the insulation fixing plate is epoxy bottom plate.
Preferably, the high-temperature insulation adhesive tape for insulation is provided on the first coil and second coil.
Technical solutions of the utility model are by using the first UF type core assembly being oppositely arranged and the 2nd UF type magnetic core group
Part, the first skeleton, the first coil being wound on the first skeleton, the second skeleton, the second coil being wound on the second skeleton,
One shielding part and secondary shielding part constitute a kind of anti-interference high-frequency electronic transformer, the first UF type core assembly include side by side and
Spaced first magnetic core column and the second magnetic core column and the first connecting portion for connecting the first magnetic core column and the second magnetic core column, the
Two UF type core assemblies include side by side and spaced third magnetic core column and the 4th magnetic core column and connection third magnetic core column with
The second connecting portion of 4th magnetic core column；First skeleton is socketed on the first magnetic core column and third magnetic core column, and the second skeleton is socketed on
On second magnetic core column and the 4th magnetic core column；First shielding part is wrapped in first coil, and secondary shielding part is wrapped in the second coil
On；The lead-out wire of first coil is correspondingly connected with the contact pin on the first skeleton, on the lead-out wire of the second coil and the second skeleton
Contact pin is correspondingly connected with.The anti-interference high-frequency electronic transformer of the utility model uses well-symmetric UF type core assembly, is convenient for
Coil is evenly distributed on the magnetic core column of UF row core assembly, thus improve high-frequency electronic transformer inductance and leakage inductance it is consistent
Property, and the shielding part for shielding electromagnetic interference is wrapped up outside two coils, the anti-electromagnetism for improving high-frequency electronic transformer is dry
Disturb ability.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of anti-interference one embodiment of high-frequency electronic transformer of the utility model.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot
It is interpreted as its relative importance of indication or suggestion or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must be based on can be realized by those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection scope within.
The utility model proposes a kind of anti-interference high-frequency electronic transformers.
As shown in FIG. 1, FIG. 1 is the structural schematic diagrams of anti-interference one embodiment of high-frequency electronic transformer of the utility model, originally
In embodiment, anti-interference high-frequency electronic transformer includes the first UF type core assembly 10 being oppositely arranged and the 2nd UF type magnetic core group
Part 20, the first coil (not shown go out) being wound on the first skeleton 31, the second skeleton 32, is wound on second at first skeleton 31
The second coil (not shown go out), the first shielding part 41 and secondary shielding part 42 on skeleton 32；
The first UF type core assembly 10 includes side by side and spaced first magnetic core column 11 and the second magnetic core column 12
And the first connecting portion 13 of connection the first magnetic core column 11 and the second magnetic core column 12, the 2nd UF type core assembly
20 include side by side and spaced third magnetic core column 21 and the 4th magnetic core column 22 and the connection third magnetic core column 21 and institute
State the second connecting portion 23 of the 4th magnetic core column 22；
First skeleton 31 is socketed on the first magnetic core column 11 and the third magnetic core column 21, second skeleton
32 are socketed on the second magnetic core column 12 and the 4th magnetic core column 22；
First shielding part 41 is wrapped in the first coil, and the secondary shielding part 42 is wrapped in second line
On circle；The lead-out wire of the first coil is correspondingly connected with the contact pin on first skeleton 31, the extraction of second coil
Line is correspondingly connected with the contact pin on second skeleton 32.
In the present embodiment, core assembly uses two symmetrically arranged first UF type core assemblies 10 and the 2nd UF type magnetic core
Component 20, the first UF type core assembly 10 is identical as 20 structure of the 2nd UF type core assembly and size, the first UF type core assembly
10 include side by side and spaced first magnetic core column 11 and the second magnetic core column 12 and the first magnetic core column 11 of connection and the second magnetic
The first connecting portion 13 of stem 12, the 2nd UF type core assembly 20 include side by side and spaced third magnetic core column 21 and the 4th
Magnetic core column 22 and the second connecting portion 23 for connecting third magnetic core column 21 and the 4th magnetic core column 22, the first magnetic core column 11, the second magnetic
Stem 12, third magnetic core column 21 and 22 structure of the 4th magnetic core column are all the same, and shape can be round, rectangular or other shapes, tool
Shape carries out type selecting according to the actual demand of high-frequency electronic transformer, is not particularly limited herein.
In the present embodiment, first coil can be primary coil or secondary coil, similarly, the second coil can be correspondingly arranged for
Secondary coil or primary coil, first coil and the second coil can carry out corresponding coiling according to actual needs, first coil around
On the first skeleton 31, the second coil winding is also set up on first skeleton 31 and the second skeleton 32 system on the second skeleton 32
There is the contact pin for being electrically connected with the external world, one end of contact pin is fixed on lead-out wire or connecting line pair on skeleton and with coil
It should connect, the other end of contact pin is welded on PCB circuit board or is plugged on corresponding socket, to realize the function of power conversion
Energy.
In the present embodiment, the good bakelite skeleton or other of insulation performance is may be selected in the first skeleton 31 and the second skeleton 32
Material skeleton, is not particularly limited herein.
In the present embodiment, the magnetic core column of the first UF core assembly and the 2nd UF core assembly is to should be sleeved on the first skeleton 31
On upper and the second skeleton 32, coiling first coil and the second coil are corresponded on the first skeleton 31 and the second skeleton 32, to be formed
Well-symmetric high-frequency electronic transformer, the Distribution of Magnetic Field on the first UF type core assembly 10 and the 2nd UF type core assembly 20
Uniformly, first coil and the second coil separate coiling, so that the magnetic flux leakage that coil is generated when being powered is uniform, leakage inductance consistency
Well, and the first shielding part 41 and second being enclosed with for shielding electromagnetic interference is corresponded to outside first coil and the second coil
Shielding part 42 enables high-frequency electronic transformer effectively to inhibit high frequency spurs when in high frequency, superfrequency power circuit
Signal and electromagnetic interference, to improve the anti-electromagnetic interference capability of high-frequency electronic transformer.
Technical solutions of the utility model are by using the first UF type core assembly 10 being oppositely arranged and the 2nd UF type magnetic core
Component 20, the first coil being wound on the first skeleton 31, the second skeleton 32, is wound on the second skeleton 32 first skeleton 31
The second coil, the first shielding part 41 and secondary shielding part 42 constitute a kind of anti-interference high-frequency electronic transformer, the first UF type
Core assembly 10 includes side by side and spaced first magnetic core column 11 and the second magnetic core column 12 and the first magnetic core column 11 of connection
With the first connecting portion 13 of the second magnetic core column 12, the 2nd UF type core assembly 20 includes side by side and spaced third magnetic core column
21 and the 4th magnetic core column 22 and connect third magnetic core column 21 and the 4th magnetic core column 22 second connecting portion 23；First 31 sets of skeleton
It is connected on the first magnetic core column 11 and third magnetic core column 21, the second skeleton 32 is socketed on the second magnetic core column 12 and the 4th magnetic core column 22
On；First shielding part 41 is wrapped in first coil, and secondary shielding part 42 is wrapped on the second coil；The lead-out wire of first coil
It is correspondingly connected with the contact pin on the first skeleton 31, the lead-out wire of the second coil is correspondingly connected with the contact pin on the second skeleton 32.This
The anti-interference high-frequency electronic transformer of utility model uses well-symmetric UF type core assembly, is evenly distributed on UF convenient for coil
On the magnetic core column of type core assembly, to improve the inductance of high-frequency electronic transformer and the consistency of leakage inductance, and in two lines
The outer shielding part wrapped up for shielding electromagnetic interference of circle, improves the anti-electromagnetic interference capability of high-frequency electronic transformer, so that high
Band electronic transformer can effectively inhibit high frequency spurs signal and electromagnetism dry when in high frequency, superfrequency power circuit
It disturbs.
Preferably, first shielding part 41 and the secondary shielding part 42 are copper sheet metal, the copper sheet metal
Thickness be 1mm.
In the present embodiment, the first shielding part 41 and secondary shielding part 42 use copper sheet metal, and copper sheet metal wraps respectively
Be rolled in first coil and the second coil on, for shielding electromagnetic interference, since transformer is separated with secondary coil
The efficiency for more opening transformer will be lower, therefore, the first shielding part 41 and the second screen being wrapped on first coil and the second coil
Shield 42 is unsuitable blocked up, avoids that the distance between first coil and the second coil are excessive to cause efficiency too low, and the first screen
Shield 41 and secondary shielding part 42 equally cannot be excessively thin, and it is bad to avoid effectiveness, therefore, in the present embodiment, institute
The first shielding part 41 and the secondary shielding part 42 is stated to make simultaneously using the copper sheet metal of 1mm for shielding electromagnetic interference
A fixed spacing is maintained between first coil and the second coil, reduces the capacitance between first coil and the second coil, is improved
Inductance between coil.
Further, it is also convexly equipped on first shielding part 41 first mounting portion (not shown go out), first installation
Portion is provided with the first magnetic part 50, and first magnetic part 50 is nickel zinc magnet ring or nickel zinc magnetic bead.
In the present embodiment, in order to further reach shielding outside electromagnetic interference, use is additionally provided on the first shielding part 41
In the first magnetic part 50 of shielding electromagnetic interference, nickel zinc magnet ring or nickel zinc magnetic bead, nickel zinc magnet ring is can be used in the first magnetic part 50
Or nickel zinc magnetic bead is used to inhibit power supply line, the interference on signal wire, while also having and absorbing electrostatic pulse ability, it can be well
Inhibit passing through for high-frequency interferencing signal, and cheap.
Further, it is also convexly equipped on the secondary shielding part 42 second mounting portion (not shown go out), second installation
Portion is provided with the second magnetic part (not shown go out), and second magnetic part is magnet ring or magnetic bead.
It is corresponding, the second magnetic part equally can be set on secondary shielding part 42, alternatively, in the first shielding part 41 and
Magnetic part is set simultaneously on two shielding parts 42, to enhance its screening ability.
Further, the anti-interference high-frequency electronic transformer further includes insulation fixing plate 60, the insulation fixing plate 60
It is corresponding across multiple described shaped openings to be equipped with multiple shaped openings, first shielding part 41 and the secondary shielding part 42
It is fixed on first coil and the second coil.
In the present embodiment, in order to fix the first shielding part 41 and secondary shielding part 42, high-frequency electronic transformer bottom is also
Equipped with insulation fixing plate 60, be provided on insulation fixing plate 60 passed through for the first shielding part 41 and secondary shielding part 42 it is multiple
Shaped opening, shaped opening are slotted according to the shape of the first shielding part 41, secondary shielding part 42, insulation fixing plate 60 it is big
Small to be designed according to the size of high-frequency electronic transformer, insulation fixing plate 60 is playing the role of fixed high-frequency electronic transformer
Insulating effect is played simultaneously, further strengthens the anti-interference ability of high-frequency electronic transformer.
In the present embodiment, the insulation fixing plate 60 is epoxy bottom plate.
It should be noted that epoxy plate is also known as epoxy glass fiber plate, temperature-pressure system is bonded with epoxy resin
Make, mechanical performance is high under medium temperature, and electric property is stablized under high humidity, is suitable for mechanical, electric appliance and the high insulation system of electronics
Components, with high machinery and the preferable heat resistance of dielectric properties and moisture resistivity, in the present embodiment, insulation fixing plate 60 with
Pcb board contact or small distance apart, insulation fixing plate 60 is while fixing the first shielding part 41 and secondary shielding part 42
Can also play the role of that high temperature and insulation is isolated.
In the present embodiment, the high-temperature insulation adhesive tape for insulation is provided in the first coil and second coil
(not shown go out).
It should be noted that after first coil and the second coil are wound on respectively on the first skeleton 31 and the second skeleton 32,
Also sealed envelope has high-temperature insulation adhesive tape in first coil and the second coil, and it is higher that the class of insulation can be used in high-temperature insulation adhesive tape
Material, high-temperature insulation adhesive tape also acted while fixed coil isolation high temperature and insulation effect.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (9)
1. a kind of anti-interference high-frequency electronic transformer, which is characterized in that including the first UF type core assembly being oppositely arranged and
Two UF type core assemblies, the first coil being wound on the first skeleton, the second skeleton, are wound on the second skeleton the first skeleton
The second coil, the first shielding part and secondary shielding part；
The first UF type core assembly includes side by side and spaced first magnetic core column and the second magnetic core column and connection institute
The first connecting portion of the first magnetic core column Yu the second magnetic core column is stated, the 2nd UF type core assembly includes side by side and interval is set
The second connecting portion of the third magnetic core column and the 4th magnetic core column and connection the third magnetic core column and the 4th magnetic core column set；
First skeleton is socketed on the first magnetic core column and the third magnetic core column, and second skeleton is socketed on described
On second magnetic core column and the 4th magnetic core column；
First shielding part is wrapped in the first coil, and the secondary shielding part is wrapped on second coil；
The lead-out wire of the first coil is correspondingly connected with the contact pin on first skeleton, the lead-out wire of second coil with
Contact pin on second skeleton is correspondingly connected with.
2. anti-interference high-frequency electronic transformer as described in claim 1, which is characterized in that first shielding part and described the
Two shielding parts are copper sheet metal, and the thickness of the copper sheet metal is 1mm.
3. anti-interference high-frequency electronic transformer as described in claim 1, which is characterized in that also projection on first shielding part
There is the first mounting portion, first mounting portion is provided with the first magnetic part.
4. anti-interference high-frequency electronic transformer as claimed in claim 3, which is characterized in that first magnetic part is nickel zinc magnetic
Ring or nickel zinc magnetic bead.
5. anti-interference high-frequency electronic transformer as described in claim 1, which is characterized in that also projection on the secondary shielding part
There is the second mounting portion, second mounting portion is provided with the second magnetic part.
6. anti-interference high-frequency electronic transformer as claimed in claim 5, which is characterized in that second magnetic part is nickel zinc magnetic
Ring or nickel zinc magnetic bead.
7. anti-interference high-frequency electronic transformer as described in claim 1, which is characterized in that the anti-interference high-frequency electronic transformation
Device further includes insulation fixing plate, and the insulation fixing plate is equipped with multiple shaped openings, first shielding part and described second
Shielding part passes through multiple described shaped openings correspondence and is fixed on primary coil and secondary coil.
8. anti-interference high-frequency electronic transformer as claimed in claim 7, which is characterized in that the insulation fixing plate is epoxy bottom
Plate.
9. anti-interference high-frequency electronic transformer as described in claim 1, which is characterized in that the first coil and described second
The high-temperature insulation adhesive tape for insulation is provided on coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821134085.2U CN208580648U (en) | 2018-07-17 | 2018-07-17 | Anti-interference high-frequency electronic transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821134085.2U CN208580648U (en) | 2018-07-17 | 2018-07-17 | Anti-interference high-frequency electronic transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208580648U true CN208580648U (en) | 2019-03-05 |
Family
ID=65510669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821134085.2U Active CN208580648U (en) | 2018-07-17 | 2018-07-17 | Anti-interference high-frequency electronic transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208580648U (en) |
-
2018
- 2018-07-17 CN CN201821134085.2U patent/CN208580648U/en active Active
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