CN216054174U - Flat electronic transformer easy to dissipate heat - Google Patents
Flat electronic transformer easy to dissipate heat Download PDFInfo
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- CN216054174U CN216054174U CN202122582753.6U CN202122582753U CN216054174U CN 216054174 U CN216054174 U CN 216054174U CN 202122582753 U CN202122582753 U CN 202122582753U CN 216054174 U CN216054174 U CN 216054174U
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Abstract
The utility model relates to an easy-heat-dissipation flat electronic transformer, which comprises an insulating framework and coil windings, wherein two ends of each group of coil windings are respectively welded with a conductive pin, and the conductive pins are arranged in pin mounting holes of the insulating framework in an interference manner; two magnetic cores are arranged on the insulating framework, and first heat-conducting silicon adhesive tapes are wrapped outside the two magnetic cores; the middle part of insulating skeleton is equipped with the cylinder chamber, and the top and the bottom of insulating skeleton are equipped with a heat dissipation recess respectively, are equipped with a plurality of bar vents on the inside wall of insulating skeleton, and the bar vent will be linked together wire winding groove, cylinder chamber and two heat dissipation recesses. External low-temperature air flows through the strip-shaped ventilation openings and the two heat dissipation grooves, and heat inside the coil winding is taken out, so that the temperature inside the coil winding is reduced; can be according to pin position and quantity demand during the equipment, with conductive pin interference fit in the pin mounting hole, the wrong conductive pin that has also can install the mistake is extracted from new installation to the installation.
Description
Technical Field
The utility model relates to the field of flat electronic transformers, in particular to an easy-to-radiate flat electronic transformer.
Background
The flat electronic transformer mainly comprises a framework, two magnetic cores, a coil winding and a heat-conducting silicon adhesive tape, and the existing flat electronic transformer has the following problems: 1. heat accumulation and heat dissipation inside the coil winding are difficult; 2. the pin is directly pre-buried in the skeleton bottom, need cut off the pin that does not use when the equipment, causes the waste, in case cut wrong pin can make whole skeleton scrap unable the use.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the problems in the prior art and provides an easy-to-radiate flat electronic transformer.
In order to achieve the technical purpose and achieve the technical effect, the utility model is realized by the following technical scheme:
an easy-heat-dissipation flat electronic transformer comprises an I-shaped insulating framework, wherein at least two groups of coil windings are wound in winding grooves of the insulating framework, two ends of each group of coil windings are respectively welded with a conductive pin, and the conductive pins are arranged in pin mounting holes in the front side and the rear side of the bottom of the insulating framework in an interference manner; two magnetic cores which are symmetrical up and down are arranged on the insulating framework, the insulating framework is clamped between two convex blocks on the left side and the right side of each magnetic core, and first heat-conducting silicon adhesive tapes wrap the two magnetic cores; the middle part of insulating skeleton is equipped with the central cylinder male cylinder chamber that supplies the magnetic core, the top and the bottom of insulating skeleton are equipped with the heat dissipation recess that link up around one respectively, be equipped with a plurality of bar vents of arranging according to annular array on the inside wall of insulating skeleton, bar vent is linked together wire winding groove, cylinder chamber and two heat dissipation recesses.
Furthermore, an annular sunken groove is formed in the insulating framework and located at the top of each pin mounting hole, a tray perpendicular to a central axis of each conductive pin is arranged on the upper portion of each conductive pin, the tray is clamped in the annular sunken groove, the head of the coil winding is wound on the top of each conductive pin, and the head of the coil winding, the head of each conductive pin and the tray are fixed through welding tin.
The top end of the insulating framework is provided with four first positioning blocks which are arranged according to a rectangular array, and the magnetic core positioned at the upper part is clamped among the four first positioning blocks; the bottom end of the insulating framework is provided with four second positioning blocks which are arranged according to a rectangular array, the magnetic core positioned at the lower part is clamped among the four second positioning blocks, the inner sides of the second positioning blocks are provided with wedge-shaped supporting blocks, and the bottom end of the magnetic core positioned at the lower part is supported on the supporting blocks; the bottom end of the insulating framework, which is positioned at the bottom of each pin mounting hole, is provided with a supporting tube coaxial with the pin mounting hole, the upper parts of the conductive pins are sleeved in the supporting tubes, and the bottom ends of the supporting tubes and the bottom ends of the second positioning blocks are positioned on the same plane.
Furthermore, a circle of closed copper foil tape is clamped between the first heat-conducting silicon adhesive tape and the two magnetic cores.
Wherein, the adjacent two groups of coil windings are separated by the second heat-conducting silicon adhesive tape, and a layer of third heat-conducting silicon adhesive tape is adhered on the surface of the outer layer of coil winding.
The utility model has the beneficial effects that: the interior of the coil winding is communicated with the outer space of the flat electronic transformer by arranging the strip-shaped ventilation opening and the two heat dissipation grooves, so that external low-temperature air flows through the strip-shaped ventilation opening and the two heat dissipation grooves, and the heat in the coil winding is taken out, thereby reducing the temperature in the coil winding; set up the pin mounting hole on insulating skeleton, can be according to pin position and quantity demand when the equipment, install conductive pin interference in the pin mounting hole, the wrong conductive pin that can also install the mistake has moreover been extracted from new installation, need not cut off unnecessary pin, avoids extravagant.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:
fig. 1 is a schematic perspective view of a flat electronic transformer according to an embodiment of the present invention;
FIG. 2 is a schematic front view of a flat electronic transformer according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a first perspective view of an insulating framework in an embodiment of the utility model;
FIG. 4 is a schematic diagram of a second perspective view of an insulating framework in an embodiment of the utility model;
FIG. 5 is a schematic structural diagram of a conductive lead according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a magnetic core in an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 6, an easy heat dissipation flat electronic transformer, including the insulating skeleton 1 of "worker" style of calligraphy, it has two sets of coil winding 3 to coil at least in the wire winding groove 2 of insulating skeleton 1, a conductive pin 4 is welded respectively at two ends of every group coil winding 3, conductive pin 4 interference is installed in pin mounting hole 5 of both sides around insulating skeleton 1 bottom, set up pin mounting hole 5 on insulating skeleton 1, can be according to pin position and quantity demand when the equipment, install conductive pin 4 interference in pin mounting hole 5, and the wrong conductive pin that has just installed can also be installed the mistake is extracted from new installation, need not cut off unnecessary pin, avoid extravagant.
An annular sunken groove 6 is formed in the insulating framework 1 and located at the top of each pin mounting hole 5, a tray 7 perpendicular to the central axis of each conductive pin 4 is arranged on the upper portion of each conductive pin 4, the tray 7 is clamped in the annular sunken groove 6, the head of the coil winding 3 is wound on the top of each conductive pin 4, and the head of the coil winding 3, the head of each conductive pin 4 and the tray 7 are fixed through soldering.
Two magnetic cores 8 which are symmetrical up and down are arranged on the insulating framework 1, the insulating framework 1 is clamped between two convex blocks 9 at the left side and the right side of the magnetic cores 8, a first heat-conducting silicon adhesive tape 10 is wrapped outside the two magnetic cores 8, and a circle of closed copper foil tape 11 is clamped between the first heat-conducting silicon adhesive tape 10 and the two magnetic cores 8. And the central cylinder of the core is ground with a single air gap.
Insulating skeleton 1's middle part is equipped with the central cylinder 12 male cylinder chamber 13 that supplies magnetic core 8, insulating skeleton 1's top and bottom are equipped with the heat dissipation recess 14 that link up around one respectively, be equipped with a plurality of bar vents 15 of arranging according to annular array on insulating skeleton 1's the inside wall, bar vent 15 is with winding groove 2, cylinder chamber 13 and two heat dissipation recesses 14 are linked together, let outside low temperature air flow from bar vent 15 and two heat dissipation recesses 14, take out the heat of 3 inside coil windings, thereby reduce 3 inside temperatures of coil windings.
The top end of the insulating framework 1 is provided with four first positioning blocks 16 which are arranged according to a rectangular array, and the magnetic core 8 positioned at the upper part is clamped among the four first positioning blocks 16 to prevent the magnetic core positioned at the upper part and the insulating framework from moving relatively; the bottom end of the insulating framework 1 is provided with four second positioning blocks 17 which are arranged according to a rectangular array, the magnetic core 8 positioned at the lower part is clamped among the four second positioning blocks 17 to prevent the magnetic core positioned at the lower part and the insulating framework from moving relatively, the inner side of each second positioning block 17 is provided with a wedge-shaped supporting block 18, and the bottom end of the magnetic core 8 positioned at the lower part is supported on the supporting block 18; the bottom end of the insulating framework 1 is positioned at the bottom of each pin mounting hole 5 and is provided with a supporting tube 19 which is coaxial with the pin mounting hole 5, the upper parts of the conductive pins 4 are sleeved in the supporting tubes 19, the bottom ends of the supporting tubes 19 and the bottom ends of the second positioning blocks 17 are positioned on the same plane, and the flat electronic transformer is supported on the circuit board by utilizing the matching of the supporting tubes and the second positioning blocks.
In the technical scheme, two adjacent coil windings 3 are separated by the second heat-conducting silicon adhesive tape, and a layer of third heat-conducting silicon adhesive tape is adhered on the surface of the outer coil winding 3 to prevent electric leakage.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (7)
1. The utility model provides an easy flat electronic transformer that dispels heat which characterized in that: the coil winding structure comprises an I-shaped insulating framework, wherein at least two groups of coil windings are wound in a winding groove of the insulating framework, two ends of each group of coil windings are respectively welded with a conductive pin, and the conductive pins are arranged in pin mounting holes on the front side and the rear side of the bottom of the insulating framework in an interference manner; two magnetic cores which are symmetrical up and down are arranged on the insulating framework, the insulating framework is clamped between two convex blocks on the left side and the right side of each magnetic core, and first heat-conducting silicon adhesive tapes wrap the two magnetic cores; the middle part of insulating skeleton is equipped with the central cylinder male cylinder chamber that supplies the magnetic core, the top and the bottom of insulating skeleton are equipped with the heat dissipation recess that link up around one respectively, be equipped with a plurality of bar vents of arranging according to annular array on the inside wall of insulating skeleton, bar vent is linked together wire winding groove, cylinder chamber and two heat dissipation recesses.
2. The easy-heat-dissipation flat electronic transformer according to claim 1, wherein: the coil winding structure is characterized in that an annular sunken groove is formed in the insulating framework and located at the top of each pin mounting hole, a tray perpendicular to a central axis of each conductive pin is arranged on the upper portion of each conductive pin, the tray is clamped in the annular sunken groove, the head of the coil winding is wound on the top of each conductive pin, and the head of the coil winding, the head of each conductive pin and the tray are fixed through soldering tin.
3. The easy-heat-dissipation flat electronic transformer according to claim 1, wherein: the top of insulating skeleton is equipped with four first locating blocks of arranging according to the rectangle array, and the magnetic core card that is located upper portion is between four first locating blocks.
4. The easy-heat-dissipation flat electronic transformer according to claim 1, wherein: the bottom of the insulating framework is provided with four second positioning blocks which are arranged according to a rectangular array, the magnetic core positioned at the lower part is clamped among the four second positioning blocks, the inner sides of the second positioning blocks are provided with wedge-shaped supporting blocks, and the bottom end of the magnetic core positioned at the lower part is supported on the supporting blocks.
5. The easy-heat-dissipation flat electronic transformer according to claim 4, wherein: the bottom end of the insulating framework, which is positioned at the bottom of each pin mounting hole, is provided with a supporting tube coaxial with the pin mounting hole, the upper parts of the conductive pins are sleeved in the supporting tubes, and the bottom ends of the supporting tubes and the bottom ends of the second positioning blocks are positioned on the same plane.
6. The easy-heat-dissipation flat electronic transformer according to claim 1, wherein: a circle of closed copper foil tape is clamped between the first heat-conducting silicon adhesive tape and the two magnetic cores.
7. The easy-heat-dissipation flat electronic transformer according to claim 1, wherein: the adjacent two groups of coil windings are separated by a second heat-conducting silicon adhesive tape, and a layer of third heat-conducting silicon adhesive tape is adhered on the surface of the outer layer of coil winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582753.6U CN216054174U (en) | 2021-10-26 | 2021-10-26 | Flat electronic transformer easy to dissipate heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122582753.6U CN216054174U (en) | 2021-10-26 | 2021-10-26 | Flat electronic transformer easy to dissipate heat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054174U true CN216054174U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122582753.6U Active CN216054174U (en) | 2021-10-26 | 2021-10-26 | Flat electronic transformer easy to dissipate heat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116453829A (en) * | 2023-03-15 | 2023-07-18 | 广东德维斯电子科技有限公司 | Planar transformer and manufacturing method thereof |
-
2021
- 2021-10-26 CN CN202122582753.6U patent/CN216054174U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116453829A (en) * | 2023-03-15 | 2023-07-18 | 广东德维斯电子科技有限公司 | Planar transformer and manufacturing method thereof |
| CN116453829B (en) * | 2023-03-15 | 2024-04-26 | 广东德维斯电子科技有限公司 | Planar transformer and manufacturing method thereof |
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