CN217061714U - Planar transformer - Google Patents
Planar transformer Download PDFInfo
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- CN217061714U CN217061714U CN202122328558.0U CN202122328558U CN217061714U CN 217061714 U CN217061714 U CN 217061714U CN 202122328558 U CN202122328558 U CN 202122328558U CN 217061714 U CN217061714 U CN 217061714U
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- planar transformer
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Abstract
The utility model discloses a planar transformer, which belongs to the technical field of planar transformers and comprises a magnetic core body and epoxy resin, wherein the epoxy resin is symmetrically arranged on one side surface of the magnetic core body at uniform intervals, a resonance line cake is arranged at the upper end inside the magnetic core body, primary line cakes are arranged at the bottom ends of the resonance line cakes at uniform intervals, a secondary copper column is arranged on one side of the primary line cake, and a secondary flat wire is arranged on the bottom surface of the primary line cake; the utility model discloses a set up three magnetic core body and glue glutinous to it by epoxy, adopt the modularized design, guarantee the convenience that planar transformer assembled to can reduce the volume after assembling, improve equipment's suitability guarantees the quality of use, dispels the heat to the magnetic core body by the heat conduction that the heat conduction pad produced the line cake simultaneously, increase heat radiating area improves the radiating efficiency, guarantees the stability of equipment work, improve equipment's life.
Description
Technical Field
The utility model belongs to the technical field of planar transformer, concretely relates to planar transformer.
Background
The planar transformer is a transformer with the characteristics of high frequency, low shape, small height, high working frequency and the like. The planar transformer is the biggest difference compared with the traditional transformer in the iron core and the coil winding. The planar transformer adopts small-sized E-type, RM-type or annular ferrite cores, is usually made of high-frequency power ferrite materials, and has lower core loss at high frequency; the winding is formed by winding a plurality of layers of printed circuit boards, and the winding or copper sheets are overlapped on the planar high-frequency iron core to form a magnetic loop of the transformer. The design has low direct current copper resistance, low leakage inductance and distributed capacitance, and can meet the design requirements of the resonant circuit. And because of the good magnetic shielding of the magnetic core, the radio frequency interference can be inhibited.
The prior art has the following problems that the existing planar transformer is inconvenient to assemble when in use, wastes manpower resources, is provided with four magnetic cores, is arranged on two modules in pairs, is too large in size after being assembled, cannot be applied to various extreme environments, reduces the applicability of equipment and influences the working quality.
SUMMERY OF THE UTILITY MODEL
To solve the problems raised in the background art described above. The utility model provides a planar transformer has efficient, small and job stabilization's characteristics.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a planar transformer, includes magnetic core body and epoxy, the even interval symmetry of a side surface of magnetic core body is provided with epoxy, the inside upper end of magnetic core body is provided with the resonance line cake, the even interval in bottom of resonance line cake is provided with elementary line cake, one side of elementary line cake is provided with secondary copper post, the bottom surface of elementary line cake is provided with secondary flat line.
Preferably, the upper end surface of the magnetic core body is provided with an insulating pad corresponding to the resonant line cake.
Preferably, the primary line cakes are provided with three groups, and heat conducting pads are arranged among the primary line cakes.
Preferably, the magnetic core body sets up to three, just the magnetic core body glues the concatenation through epoxy.
Preferably, one side of the primary wire cake, which is far away from the secondary copper column, is provided with an insulating baffle.
Preferably, the bottom of magnetic core body is provided with the magnetic core base, the upper end at the magnetic core base is installed through the welded mode to secondary copper post, the bottom of magnetic core base corresponds secondary copper post and is provided with the connection stitch.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up three magnetic core body and glue glutinous to it by epoxy, adopt the modularized design, guarantee the convenience that planar transformer assembled to can reduce the volume after assembling, improve equipment's suitability guarantees the quality of use, dispels the heat to the magnetic core body by the heat conduction that the heat conduction pad produced the line cake simultaneously, increase heat radiating area improves the radiating efficiency, guarantees the stability of equipment work, improve equipment's life.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a front view of the structure of the present invention;
FIG. 3 is a side view of the structure of the present invention;
in the figure: 1. a magnetic core body; 2. an insulating pad; 3. a resonant wire cake; 4. a secondary copper pillar; 5. a primary wire cake; 6. a thermally conductive pad; 7. an epoxy resin; 8. a secondary flat wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a planar transformer, includes magnetic core body 1 and epoxy 7, and the even interval symmetry in a side surface of magnetic core body 1 is provided with epoxy 7, and the inside upper end of magnetic core body 1 is provided with resonance line cake 3, and the even interval in bottom of resonance line cake 3 is provided with elementary line cake 5, and one side of elementary line cake 5 is provided with secondary copper post 4, and the bottom surface of elementary line cake 5 is provided with secondary flat line 8.
Specifically, the upper end surface of the magnetic core body 1 is provided with an insulating pad 2 corresponding to the resonant line cake 3.
Through adopting above-mentioned technical scheme, improve magnetic core body 1's protection effect, guarantee the stability of equipment use.
Specifically, three groups of primary line cakes 5 are arranged, and heat conducting pads 6 are arranged among the primary line cakes 5.
Through adopting above-mentioned technical scheme, guarantee that the heat that 5 work of elementary line cake produced can accelerate the conduction and dispel the heat to magnetic core body 1 on, improve equipment's radiating efficiency, increase heat radiating area, improve equipment's life.
Specifically, magnetic core body 1 sets up to three, and magnetic core body 1 glues through epoxy 7 and glues glutinous concatenation.
Through adopting above-mentioned technical scheme, splice by 1 formula structures as an organic whole that bonds of three magnetic core body, improve the convenience of equipment, practice thrift manpower resources, reduce equipment volume, reinforcing work efficiency.
Specifically, an insulating baffle is arranged on one side of the primary wire cake 5 far away from the secondary copper column 4.
Through adopting above-mentioned technical scheme, guarantee the protective effect of elementary line cake 5, reduce the condition of damage.
Specifically, the bottom of magnetic core body 1 is provided with the magnetic core base, and secondary copper post 4 passes through the welded mode and installs the upper end at the magnetic core base, and the bottom of magnetic core base corresponds secondary copper post 4 and is provided with the connection stitch.
Through adopting above-mentioned technical scheme, guarantee the fastness after equipment assembling, be convenient for with equipment fixing on printing plate, improve the service quality.
This embodiment is used: pile up earlier elementary line cake 5 and place to glue glutinous heat conduction pad 6 between it, then place magnetic core body 1 in the upper end of magnetic core base, and bond magnetic core body 1 through epoxy 7, reduce the installation volume of equipment, improve equipment's work efficiency, and can strengthen elementary line cake 5's radiating efficiency, guarantee equipment job stabilization nature.
The utility model discloses a theory of operation and use flow: the utility model discloses when using, pile up earlier elementary line cake 5 and place to glue glutinous thermal pad 6 between it, then place magnetic core body 1 in the upper end of magnetic core base, and bond magnetic core body 1 through epoxy 7, reduce the installation volume of equipment, improve equipment's work efficiency, and can strengthen elementary line cake 5's radiating efficiency, guarantee the stability of equipment work.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A planar transformer, comprising a magnetic core body (1) and epoxy resin (7), characterized in that: the uniform interval symmetry of one side surface of magnetic core body (1) is provided with epoxy (7), the inside upper end of magnetic core body (1) is provided with resonance line cake (3), the even interval in bottom of resonance line cake (3) is provided with elementary line cake (5), one side of elementary line cake (5) is provided with secondary copper post (4), the bottom surface of elementary line cake (5) is provided with secondary flat line (8).
2. A planar transformer according to claim 1, wherein: the upper end surface of the magnetic core body (1) is provided with an insulating pad (2) corresponding to the resonance wire cake (3).
3. A planar transformer according to claim 1, wherein: the three groups of the primary line cakes (5) are arranged, and heat conducting pads (6) are arranged between the primary line cakes (5).
4. A planar transformer according to claim 1, wherein: the magnetic core body (1) is arranged to be three, and the magnetic core body (1) is spliced in a sticky mode through epoxy resin (7).
5. A planar transformer according to claim 1, wherein: and an insulating baffle is arranged on one side of the primary wire cake (5) far away from the secondary copper column (4).
6. A planar transformer according to claim 1, wherein: the bottom of magnetic core body (1) is provided with the magnetic core base, secondary copper post (4) are installed in the upper end of magnetic core base through the welded mode, the bottom of magnetic core base corresponds secondary copper post (4) and is provided with the connection stitch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122328558.0U CN217061714U (en) | 2021-09-24 | 2021-09-24 | Planar transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202122328558.0U CN217061714U (en) | 2021-09-24 | 2021-09-24 | Planar transformer |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217061714U true CN217061714U (en) | 2022-07-26 |
Family
ID=82464548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202122328558.0U Active CN217061714U (en) | 2021-09-24 | 2021-09-24 | Planar transformer |
Country Status (1)
Country | Link |
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CN (1) | CN217061714U (en) |
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2021
- 2021-09-24 CN CN202122328558.0U patent/CN217061714U/en active Active
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