CN214043378U - Planar transformer - Google Patents
Planar transformer Download PDFInfo
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- CN214043378U CN214043378U CN202120319561.3U CN202120319561U CN214043378U CN 214043378 U CN214043378 U CN 214043378U CN 202120319561 U CN202120319561 U CN 202120319561U CN 214043378 U CN214043378 U CN 214043378U
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- magnetic core
- circuit board
- connecting block
- planar transformer
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Abstract
The utility model relates to a planar transformer, including circuit board, plane magnetic core and connecting block. The planar magnetic core comprises a first magnetic core and a second magnetic core, and the first magnetic core and the second magnetic core clamp the circuit board. The connecting block includes first connecting block and second connecting block, and first connecting block and second connecting block set up respectively at the both ends of circuit board, have seted up a plurality of first screw holes on the first connecting block, have seted up a plurality of second screw holes on the second connecting block, and the lateral wall of first screw hole and the lateral wall of second screw hole are used for the spiro union screw respectively. When the planar transformer is installed on an external circuit board, the planar transformer can be fixedly installed on the circuit board through screws, so that the planar transformer can be stably installed on the circuit board, and meanwhile, the installed planar transformer can be quickly detached for maintenance or replacement.
Description
Technical Field
The utility model relates to a transformer technical field especially relates to planar transformer.
Background
Conventional transformers are typically constructed with ferrite cores and copper coils, are bulky and are prone to electromagnetic interference. The planar transformer can effectively solve the problems of volume and high frequency, and therefore, the planar transformer has the characteristics of high frequency, low shape, very low height and very high working frequency.
When the existing planar transformer is mounted on an external circuit board, pins of the planar transformer are usually soldered to the external circuit board, so that the planar transformer can be firmly mounted on the external circuit board, but when the planar transformer is damaged, the planar transformer is difficult to detach from the external circuit board.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a planar transformer to solve the problem mentioned in the above-mentioned background art.
The technical scheme of the utility model is a planar transformer, which comprises a circuit board, a planar magnetic core and a connecting block;
the planar magnetic core comprises a first magnetic core and a second magnetic core, the first magnetic core and the second magnetic core are arranged oppositely, a first core column is arranged on the middle of the first magnetic core in a protruding mode, a first side column and a second side column are arranged on two sides of the first magnetic core in a protruding mode respectively, a through hole is formed in the circuit board, the first core column penetrates through the through hole to be connected with the second magnetic core, the first side column and the second side column penetrate through two sides of the circuit board respectively, the inner side of the first side column abuts against one side of the circuit board, the inner side of the second side column abuts against the other side of the circuit board, the first side column is connected with one end of the second magnetic core, the second side column is connected with the other end of the second magnetic core, and the circuit board is clamped by the first magnetic core and the second magnetic core;
the connecting block includes first connecting block and second connecting block, first connecting block with the second connecting block sets up respectively the both ends of circuit board, a plurality of first screw holes have been seted up on the first connecting block, a plurality of second screw holes have been seted up on the second connecting block, the lateral wall of first screw hole with the lateral wall of second screw hole is used for the spiro union screw respectively.
In one embodiment, a first threaded conductor is disposed in the hole of the first threaded hole, a second threaded conductor is disposed in the hole of the second threaded hole, and the first threaded conductor and the second threaded conductor are electrically connected to a circuit on the circuit board respectively.
In one embodiment, a first conductive layer is disposed around the aperture of the first threaded hole and a second conductive layer is disposed around the aperture of the second threaded hole.
In one embodiment, the first threaded holes are arranged in an insulating mode, and the second threaded holes are arranged in an insulating mode.
In one embodiment, the first connection block and the second connection block are symmetrically disposed along the planar magnetic core on the circuit board.
In one embodiment, the height of the first connecting block and the height of the second connecting block are both larger than the height of the second magnetic core protruding from the circuit board.
In one embodiment, the first threaded conductor and the second threaded conductor are made of copper.
In one embodiment, the first conductive layer and the second conductive layer are both made of copper.
In one embodiment, the screw is screwed on the side wall of the first threaded hole and the side wall of the second threaded hole.
The utility model provides a beneficial effect is: the circuit board of the planar transformer is provided with a connecting block, the connecting block is provided with a threaded hole, and the threaded hole is used for screw connection. When the planar transformer is installed on an external circuit board, the planar transformer can be fixedly installed on the circuit board through screws, so that the planar transformer can be stably installed on the circuit board, and meanwhile, the installed planar transformer can be quickly detached for maintenance or replacement.
Drawings
Fig. 1 is a schematic perspective view of a planar transformer in one direction according to an embodiment;
fig. 2 is a schematic structural diagram of a planar transformer in one direction in an embodiment.
In the drawings, 10, a planar transformer; 100. a circuit board; 101. a first magnetic core; 102. a second magnetic core; 201. a first connection block; 202. a second connecting block; 301. a first conductive layer; 302. a second conductive layer; 400. and (4) screws.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The following will combine the drawings of the embodiments of the present invention to further describe the technical solution of the present invention, and the present invention is not limited to the following specific embodiments.
It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts. In the description of the present invention, it should be understood that if there are terms such as "upper", "lower", "front", "rear", "left", "right", "top", "bottom", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplicity of description, but does not indicate or imply that the equipment or components referred to must have specific orientations, be constructed in specific orientations, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.
As shown in fig. 1 and 2, in one embodiment, a planar transformer 10 is characterized by comprising a circuit board 100, a planar magnetic core and a connection block; the planar magnetic core comprises a first magnetic core 101 and a second magnetic core 102, the first magnetic core 101 and the second magnetic core 102 are oppositely arranged, a first core column is convexly arranged on the middle part of the first magnetic core 101, a first side column and a second side column are convexly arranged on two sides of the first magnetic core 101 respectively, a through hole is formed on the circuit board 100, the first core pin passes through the through hole and is connected with the second magnetic core 102, the first side post and the second side post respectively pass through both sides of the circuit board 100, the inner side of the first side column is abutted against one side of the circuit board 100, the inner side of the second side column is abutted against the other side of the circuit board 100, the first side column is connected with one end of the second magnetic core 102, the second side column is connected with the other end of the second magnetic core 102, the first core 101 and the second core 102 sandwich the circuit board 100.
The connecting block includes first connecting block 201 and second connecting block 202, first connecting block 201 with second connecting block 202 sets up respectively the both ends of circuit board 100, a plurality of first screw holes have been seted up on first connecting block 201, a plurality of second screw holes have been seted up on the second connecting block 202, the lateral wall of first screw hole with the lateral wall of second screw hole is used for spiro union screw 400 respectively.
Specifically, first connecting block 201 with second connecting block 202 is the plastic material, chooses for use the plastic material first connecting block 201 with its insulating nature can be guaranteed to second connecting block 202, avoids taking place the danger of short circuit. The first connecting block 201 and the second connecting block 202 are respectively arranged at two ends of the circuit board 100, and threaded holes are formed in the connecting blocks and used for screwing screws 400. When the planar transformer 10 is mounted on an external circuit board, the planar transformer 10 can be fixedly mounted on an external component, such as an external circuit board, by the screws 400, so that the planar transformer 10 can be stably mounted on the circuit board, and the mounted planar transformer 10 can be quickly removed for repair or replacement.
In this embodiment, the first core leg is connected to the second magnetic core 102 through an epoxy adhesive layer, the first side leg is connected to one end of the second magnetic core 102 through an epoxy adhesive layer, and the second side leg is connected to the other end of the second magnetic core 102 through an epoxy adhesive layer. In this embodiment, the material of the epoxy adhesive layer is an epoxy adhesive, and the first magnetic core 101 and the second magnetic core 102 can be firmly connected by the epoxy adhesive.
When the planar transformer 10 is connected to an external circuit board, the planar transformer is fixed by screws 400 and electrically connected to a circuit structure of the planar transformer 10. In one embodiment, a first threaded conductor (not shown) is disposed in the hole of the first threaded hole, a second threaded conductor (not shown) is disposed in the hole of the second threaded hole, and the first threaded conductor and the second threaded conductor are electrically connected to the circuit on the circuit board 100, respectively. A first threaded conductor is disposed within the first threaded hole such that screw 400 is connected to the first threaded conductor within the first threaded hole and the first threaded conductor is electrically connected to the circuit structure on circuit board 100 such that screw 400 is also electrically connected to the circuit structure on circuit board 100. A second threaded conductor is disposed within the second threaded hole such that screw 400 is connected to the second threaded conductor within the second threaded hole and the second threaded conductor is electrically connected to the circuit structure on circuit board 100 such that screw 400 is also electrically connected to the circuit structure on circuit board 100. In this way, the external component may be inserted into the first and second threaded holes through the wires and screws are screwed into the first and second threaded holes, respectively, so that the wires are electrically connected with the first and second threaded conductors, respectively, to achieve electrical connection of the external component with the circuit on the circuit board 100.
As shown in fig. 2, in order to make the planar transformer 10 better electrically connected to an external circuit board, in one embodiment, a first conductive layer 301 is disposed around the hole of the first threaded hole, and a second conductive layer 302 is disposed around the hole of the second threaded hole. In order to be connected to the conductive pads on the mounting surface of the external circuit board, a conductive layer is provided on the surface of the planar transformer 10 that is in contact with the external circuit board, i.e., a first conductive layer 301 is provided around the opening of the first screw hole, and a second conductive layer 302 is provided around the opening of the second screw hole. By this arrangement, the first conductive layer 301 and the second conductive layer 302 can be electrically connected to the conductive pad of the external circuit.
In order to avoid the short-circuit fault, in one embodiment, the first threaded holes are arranged in an insulating mode, and the second threaded holes are arranged in an insulating mode. Specifically, an insulating layer is arranged between the first screw holes, so that the first screw holes are not electrically conducted with each other.
In order to allow the planar transformer 10 to be smoothly mounted on an external circuit board, in one embodiment, the first connection block 201 and the second connection block 202 are symmetrically disposed on the circuit board 100 along the planar magnetic core. With the first connection block 201 and the second connection block 202 thus arranged, one end for connection between the first connection block 201 and the second connection block 202 is arranged flush, and the first connection block 201 and the second connection block 202 can smoothly support the planar transformer 10 when the planar transformer 10 is mounted to an external circuit board.
In order to allow the first connection block 201 and the second connection block 202 to contact an external circuit board, in one embodiment, the height of the first connection block 201 and the height of the second connection block 202 are both greater than the height of the second magnetic core 102 protruding from the circuit board 100. By this arrangement, the first connection block 201 and the second connection block 202 can be brought into contact with an external circuit board, so that the planar transformer 10 can be fixed to the external circuit board through the first connection block 201 and the second connection block 202.
In order to make the first and second threaded conductors better conductive, in one embodiment, the first and second threaded conductors are made of copper. The first threaded conductor and the second threaded conductor made of the copper metal can conduct electricity better.
In order to make the first conductive layer 301 and the second conductive layer 302 conduct electricity better, in one embodiment, the first conductive layer 301 and the second conductive layer 302 are made of copper. The copper metal has good conductivity and relatively low price, and the first conductive layer 301 and the second conductive layer 302 made of the copper metal can conduct electricity better.
In one embodiment, the screw 400 is screwed on the side wall of the first threaded hole and the side wall of the second threaded hole. Specifically, the screw 400 is a metal conductor. The screws 400 are arranged in the first threaded hole and the second threaded hole, so that the screws 400 can be conveniently used for quickly completing installation.
In one embodiment, the connector further comprises two insulating spacers, the insulating spacers are made of rubber, a plurality of connecting holes are formed in the insulating spacers, one insulating spacer abuts against the first connecting block 201, the other insulating spacer abuts against the second connecting block 202, the connecting holes of the one insulating spacer correspond to the first threaded holes in the first connecting block 201 one by one, the connecting holes of the other insulating spacer correspond to the second threaded holes in the second connecting block 202 one by one, the insulating spacers are used for abutting against external elements, and the screw 400 penetrates through the connecting holes to be in threaded connection with the side wall of the first threaded hole or the side wall of the second threaded hole. Like this, through setting up insulating washer, on the one hand, can effectively provide the buffering for being connected of planar transformer and external component, on the other hand for the outside of screw has better insulating properties, avoids the short circuit between planar transformer and the external component.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A planar transformer is characterized by comprising a circuit board, a planar magnetic core and a connecting block;
the planar magnetic core comprises a first magnetic core and a second magnetic core, the first magnetic core and the second magnetic core are arranged oppositely, a first core column is arranged on the middle of the first magnetic core in a protruding mode, a first side column and a second side column are arranged on two sides of the first magnetic core in a protruding mode respectively, a through hole is formed in the circuit board, the first core column penetrates through the through hole to be connected with the second magnetic core, the first side column and the second side column penetrate through two sides of the circuit board respectively, the inner side of the first side column abuts against one side of the circuit board, the inner side of the second side column is connected with the other side of the circuit board, the first side column is connected with one end of the second magnetic core, the second side column is connected with the other end of the second magnetic core, and the circuit board is clamped by the first magnetic core and the second magnetic core;
the connecting block includes first connecting block and second connecting block, first connecting block with the second connecting block sets up respectively the both ends of circuit board, a plurality of first screw holes have been seted up on the first connecting block, a plurality of second screw holes have been seted up on the second connecting block, the lateral wall of first screw hole with the lateral wall of second screw hole is used for the spiro union screw respectively.
2. The planar transformer according to claim 1, wherein a first threaded conductor is disposed within the bore of the first threaded bore, a second threaded conductor is disposed within the bore of the second threaded bore, and the first and second threaded conductors are electrically connected to the circuitry on the circuit board, respectively.
3. The planar transformer according to claim 1, wherein a first conductive layer is disposed around the aperture of the first threaded hole and a second conductive layer is disposed around the aperture of the second threaded hole.
4. The planar transformer according to claim 1, wherein the first screw holes are insulated from each other, and the second screw holes are insulated from each other.
5. The planar transformer according to claim 1, wherein the first connection block and the second connection block are symmetrically disposed along the planar magnetic core on the circuit board.
6. The planar transformer according to claim 1, wherein the height of the first connection block and the height of the second connection block are each greater than the height of the second magnetic core protruding from the circuit board.
7. The planar transformer according to claim 2, wherein the first and second threaded conductors are made of copper.
8. The planar transformer according to claim 3, wherein the first conductive layer and the second conductive layer are made of copper.
9. The planar transformer according to any one of claims 1 to 8, further comprising screws screwed to sidewalls of the first and second threaded holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319561.3U CN214043378U (en) | 2021-02-04 | 2021-02-04 | Planar transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120319561.3U CN214043378U (en) | 2021-02-04 | 2021-02-04 | Planar transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214043378U true CN214043378U (en) | 2021-08-24 |
Family
ID=77347973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120319561.3U Active CN214043378U (en) | 2021-02-04 | 2021-02-04 | Planar transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214043378U (en) |
-
2021
- 2021-02-04 CN CN202120319561.3U patent/CN214043378U/en active Active
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