CN210039886U - High current pin structure of vertical resonant transformer - Google Patents
High current pin structure of vertical resonant transformer Download PDFInfo
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- CN210039886U CN210039886U CN201921121504.3U CN201921121504U CN210039886U CN 210039886 U CN210039886 U CN 210039886U CN 201921121504 U CN201921121504 U CN 201921121504U CN 210039886 U CN210039886 U CN 210039886U
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Abstract
The high-current pin structure of the vertical resonant transformer comprises a coil holder, a first partition plate, a second partition plate and a third partition plate, wherein the coil holder is provided with the first partition plate, the two sides of the coil holder are provided with the second partition plate and the third partition plate, the third partition plate is provided with a wiring part, a first coil is wound in a first slot formed between the first partition plate and the second partition plate, and a second coil is wound in a second slot formed between the first partition plate and the third partition plate; the insulating layer coats the first coil and the first partition plate and coats the root of the first partition plate so as to increase the creepage distance between the first coil and the second coil; the shell cover is sleeved on the second separation plate, covers the first coil and extends to the first separation plate, the first coil is connected to the connection terminal of the shell cover, the connection terminal is connected with the circuit main board, the second coil extends to the wiring portion, the circuit main board is connected through the adapter card, the distance between the wiring portion and the connection terminal is increased, the adapter card can adopt a double-sided board to greatly reduce circuit impedance, the requirements of adopting the double-sided board and passing safety regulations for the circuit main board are met, and the manufacturing cost is reduced.
Description
Technical Field
The present invention relates to a vertical resonant transformer, and more particularly to a vertical resonant transformer with a high current pin structure for simplifying circuit layout, naturally increasing the distance between the primary side and the secondary side, and increasing the insulation shielding effect.
Background
A conventional vertical resonance transformer, such as Taiwan patent publication No. I463508, "improved structure of transformer", is formed by coating a bobbin on at least a part of a preset core assembly, providing the core assembly with a magnetic conductive loop passing through the bobbin, providing a wire slot and at least one wiring part protruding outwards on the periphery of the bobbin, providing a plurality of grooves with lateral openings on the wiring part, winding a coil in the wire slot of the bobbin, providing at least a plurality of outlet terminals on the coil, passing through different grooves respectively, and embedding a plurality of positioning pins in the grooves to form a tight positioning for the outlet terminals, covering the coil on the periphery of the coil to form a space between the coil and the core assembly, providing at least one hollow opening on the covering to expose the airflow facing surface on the periphery of the coil, thereby improving the overall heat dissipation effect.
And, for example, taiwan patent publication nos. M486127 and M504337 are all for increasing the insulation effect of the transformer, however, the above transformers have the following disadvantages in practical use and still need to be improved:
1. the structure of the insulating housing such as the housing is too complicated, and although the insulating housing has a good insulating effect, in order to meet the demands of the miniaturization and the light weight of the transformer, the structure of the insulating housing must be in accordance with the structure of the existing transformer, so that the structure is quite complicated, and the embedding of the insulating housing and the wire frame occupies quite a space, so that the precious winding area is limited.
2. The requirement of the miniaturization of the volume of the transformer mainly corresponds to the miniaturization of electronic products, wherein, the area of the circuit main board is increasingly miniaturized, in the above patents, the pins of the transformer are arranged on two sides of the transformer in a parallel manner, and it is obvious that the widths of the two rows of pins are larger than the width of the transformer, because the circuit main board is provided with a plurality of pin holes, copper foils are arranged on the peripheries of the pin holes, the copper foils are respectively provided with corresponding circuits, and the distance between each pin hole and the copper foil is limited to a certain extent on the requirement of safety regulations, so that the transformer generates a pin arrangement manner that the width of the two sides is larger than that of the transformer, therefore, even if the volume of the transformer is reduced, the safety regulations distance is correspondingly shortened for the circuit main board, and the transformer falls into a miniaturized trap.
In view of the above-mentioned shortcomings in the prior art, the inventor has developed the present invention by studying and improving the shortcomings.
SUMMERY OF THE UTILITY MODEL
The utility model discloses main aim at provides a simplify circuit mainboard circuit layout's vertical resonant transformer high current pin position structure.
The utility model discloses secondary aim at provides an increase creepage distance between the coil to simplify insulation system's vertical resonant transformer high current pin position structure.
Another object of the present invention is to provide a vertical resonant transformer high current pin structure which naturally increases the distance between the primary side and the secondary side and does not span other coils.
To achieve the above objects and effects, the present invention provides a method comprising: a bobbin, an iron core group, a first coil, a second coil, an insulating layer and a shell, wherein:
an iron core group, which is formed by oppositely combining a plurality of iron cores;
the wire frame is coated on at least partial part of the iron core group, so that the iron core group is provided with a magnetic conduction loop passing through the wire frame, the wire frame is provided with a first partition plate, two sides of the wire frame are respectively provided with a second partition plate and a third partition plate, one side edge of the third partition plate is provided with a wiring part, a first wire slot is formed between the first partition plate and the second partition plate, and a second wire slot is formed between the first partition plate and the third partition plate;
a first coil wound in the first slot and extending a first wire outlet end;
a second coil wound in the second slot and extending a second wire outlet end;
an insulating layer, which covers the first coil and the first partition plate and extends to the root of the first partition plate; and the number of the first and second groups,
a shell, which is sleeved on the second partition board of the wire frame, covers the first coil and extends to the first partition board, one side of the shell is provided with an extension part, two sides of the extension part extend to form a plurality of connecting terminals, and the connecting terminals and the wire frame are arranged vertically;
when the first wire outlet end is connected to the connecting terminal, the circuit main board is connected through the adapter card, the second wire outlet end extends to the wiring portion, the connecting terminal is directly connected with the circuit main board, the distance between the wiring portion and the connecting terminal is naturally increased, the miniaturization of the transformer is achieved, the distance which can meet safety regulations can be met, and the creepage distance between the first coil and the second coil is increased through the insulating layer.
According to the structure, the other side of the third partition board is provided with a first fixing part corresponding to the wiring part, one side of the second partition board corresponding to the first fixing part is provided with a second fixing part, and the first fixing part and the second fixing part form a common plane, so that the wire rack can be horizontally arranged on the circuit main board.
According to the above structure, the first fixing portion is provided with a positioning terminal perpendicular to the connecting terminal.
According to the structure, the second partition plate is provided with a plurality of first ring parts on the surface, the shell cover is provided with a plurality of second ring parts on the inner surface, and the shell cover is sleeved on the wire rack, so that the first ring parts and the second ring parts are in staggered meshing, and the creepage distance is increased.
According to the above structure, one side of the wiring portion is provided with a plurality of control pins.
According to the structure, the wiring part is provided with a plurality of grooves, a fixing block is separately arranged, a plurality of positioning pins extend from the fixing block, and the second outlet ends of the second coils respectively pass through the grooves and are pressed tightly by the positioning pins to form positioning.
According to the structure, the groove is provided with a combining part close to the opening, and the side of the positioning pin is relatively provided with a butt joint part which can be connected with the combining part, so that each positioning pin can form positioning in the groove.
According to the above structure, the insulating layer is an insulating tape or an insulating glue.
In order to obtain a more particular understanding of the above objects, features and advantages of the invention, reference should be made to the following description taken in conjunction with the accompanying drawings in which:
drawings
Fig. 1 is a perspective view of the preferred embodiment of the present invention.
Fig. 2 is an exploded perspective view of the preferred embodiment of the present invention.
Fig. 3 is a partial assembly view of the preferred embodiment of the invention.
Fig. 4 is a combination diagram (one) of the preferred embodiment of the present invention.
Fig. 5 is a combination diagram (ii) of the preferred embodiment of the present invention.
Fig. 6 is a sectional view of the preferred embodiment of the present invention in use.
Detailed Description
Referring to fig. 1 to 3, it can be seen that the structure of the present invention mainly includes: a bobbin 1, a first coil 2, a second coil 3, an insulating layer 4, a housing 5 and an iron core set 6, wherein:
the wire rack 1 is internally provided with a central hole 10, the wire rack 11 is provided with a first partition plate 11, two ends of the wire rack are respectively provided with a second partition plate 12 and a third partition plate 13, and the surface of the second partition plate 12 is provided with a plurality of first ring parts 121; a wiring part 14 is arranged on one side edge of the third partition plate 13, a plurality of control pins 141 are arranged on one side of the wiring part 14, a plurality of grooves 142 are arranged on the wiring part 14, a combining part 143 is arranged at the position, close to the opening, of the grooves 142, a fixing block 18 is assembled into the grooves 142, a plurality of positioning pins 181 extend from the fixing block 18, and abutting parts 182 capable of being connected with the combining part 143 are oppositely arranged on the side edges of the positioning pins 181, so that the positioning pins 181 can be positioned in the grooves 142; the other side of the third partition board 13 is provided with a first fixing part 15 corresponding to the wiring part 14, and the first fixing part 15 is provided with a positioning terminal 151; a second fixing part 122 is arranged on one side of the second partition plate 12 corresponding to the first fixing part 15, and the first fixing part 15 and the second fixing part 122 form a common plane, so that the wire rack 1 can be horizontally arranged on the circuit main board 7; a first wire chase 16 is formed between the first partition plate 11 and the second partition plate 12, and a second wire chase 17 is formed between the first partition plate 11 and the third partition plate 13.
The first coil 2 is wound in the first slot 16 and extends to a first outlet end 21.
The second coil 3 is wound in the second slot 17 and extends to a second outlet terminal 31.
The insulating layer 4 is an insulating tape or an insulating glue, and covers the first coil 2 and the first partition plate 11, and the insulating layer 4 extends to the root of the first partition plate 11.
The shell cover 5 is sleeved on the second partition plate 12 of the wire rack 1 and covers the first coil 2, one side of the shell cover is provided with an extension part 51, a plurality of connecting terminals 52 extend from two sides of the extension part 51, and the connecting terminals 52 and the wire rack 1 are arranged vertically; and the number of the first and second groups,
the iron core group 6a is formed by two symmetrical iron cores 6 which are oppositely combined, a middle column part 61 is arranged at the middle part of each iron core 6, at least two sides of the middle column part 61 are provided with corresponding side column parts 62, and an accommodating space 63 is naturally formed between the middle column part 61 and the side column parts 62.
When the above components are combined, (refer to fig. 4 and 5 for assistance), the first coil 2 and the second coil 3 are respectively wound in the first wire slot 16 and the second wire slot 17, and the first coil 2 and the first partition plate 11 are simultaneously wrapped in the insulating tape or the insulating glue, and the housing 5 is continuously sleeved on the second partition plate 12 of the wire frame 1 and covers the first coil 2, meanwhile, the second wire outlet 31 of the second coil 3 respectively passes through the grooves 142 on the wire connecting portion 14, the positioning pins 181 of the fixing block 18 are respectively sleeved in the grooves 142, and the positioning pins 181 are used to tightly press the second wire outlet 31 to form positioning; one of the cores 6 of the core set 6a has a central column 61 passing through the through hole 50 of the housing 5 and the central hole 10 of the bobbin 1, the other core 6 directly passes through the central hole 10 of the bobbin 1, and the accommodating space 63 of the core 6 accommodates the bobbin 1 and the housing 5, so that the two cores 6 can form a magnetic conductive loop passing through the bobbin 2 by using the central column 61 and the side column 62.
The utility model discloses increase creepage distance's structural feature: borrow by insulating layer 4 cladding first coil 2 and first division board 11 simultaneously to insulating layer 4 increases the creepage distance of first coil 2 and second coil 3, and, after line frame 1 covers second division board 12 with the breadth is established to the cover 5 cover, the first ring portion 121 of second division board 12 and the second ring portion 53 of cover 5 are butt joint each other, can effectively increase the creepage distance between line frame 1 and the cover 5, borrow by above-mentioned structure the utility model discloses holistic structure can effectively be simplified, accords with the requirement of ann's rule simultaneously.
The utility model discloses simplify 7 circuit layout of circuit mainboard, reduce subassembly mutual interference's characterized in that after the knot: (referring to fig. 6) the first coil 2 has the first outlet terminal 21 connected to the connection terminal 52, and meanwhile, during the connection process, the first coil does not pass through the second coil 3, so that the magnetic field of the second coil 3 can be prevented from interfering with the first outlet terminal 21; second outlet 31 of second coil 3 extends to wiring portion 14, wiring portion 14 department connects adapter card 71, make second outlet 31 of second coil 4 connect on adapter card 71, together with the utility model discloses be connected to circuit board 7 with adapter card 71, connecting terminal 52 lug connection is to circuit board 7, because connecting terminal 52 is both sides and arranges the setting (supplementary refer to fig. 2 and fig. 3), be not the mode that the bilateral separately arranged of traditional transformer, in circuit board 7 circuit layout, can avoid bilateral separately arranging to cause the position too intensive, avoid circuit board on circuit board 7 too intensive, reduce signal mutual interference, circuit board 7 satisfies the requirement of ann's rule, adapter card 71 can adopt the double sided board in order to reduce circuit impedance by a wide margin, can reach with circuit board 7 with the effect of adopting the double sided board, reduce manufacturing cost.
In summary, the high current pin structure of the vertical resonant transformer of the present invention is really an invention with novelty and creativity, and the application of the utility model patent is legally proposed; however, the above description is only for the purpose of illustrating the preferred embodiments of the present invention, and all changes, modifications, variations or equivalent substitutions which are within the technical means and scope of the present invention should fall within the scope of the claims of the present invention.
Claims (8)
1. Vertical resonant transformer high current pin position structure, it includes at least:
an iron core group, which is formed by oppositely combining a plurality of iron cores;
the wire frame is coated on at least partial part of the iron core group, so that the iron core group is provided with a magnetic conduction loop passing through the wire frame, the wire frame is provided with a first partition plate, two sides of the wire frame are respectively provided with a second partition plate and a third partition plate, one side edge of the third partition plate is provided with a wiring part, a first wire slot is formed between the first partition plate and the second partition plate, and a second wire slot is formed between the first partition plate and the third partition plate;
a first coil wound in the first slot and extending a first wire outlet end;
a second coil wound in the second slot and extending a second wire outlet end;
an insulating layer, which covers the first coil and the first partition plate and extends to the root of the first partition plate; and the number of the first and second groups,
a shell cover, which is sleeved on the second division plate of the wire frame and covers the first coil, wherein one side of the shell cover is provided with an extension part, two sides of the extension part are extended with a plurality of connecting terminals, and the connecting terminals and the wire frame are arranged vertically;
when the first wire outlet end is connected to the connecting terminal, the circuit main board is connected through the adapter card, the second wire outlet end extends to the wiring portion, the connecting terminal is directly connected with the circuit main board, the distance between the wiring portion and the connecting terminal is naturally increased, the miniaturization of the transformer is achieved, the safety distance is met, and the creepage distance between the first coil and the second coil is increased through the insulating layer.
2. The high current pin structure of vertical resonant transformer as claimed in claim 1, wherein the third partition board has a first fixing portion corresponding to the connection portion at another side, and a second fixing portion corresponding to the first fixing portion at another side of the second partition board, the first fixing portion and the second fixing portion forming a common plane, so that the bobbin can be horizontally placed on the circuit board.
3. The high current pin structure of a vertical resonant transformer as claimed in claim 1, wherein the first fixing portion has a positioning terminal perpendicular to the connecting terminal.
4. The high current pin structure of claim 1, wherein the second partition plate has a plurality of first ring portions on its surface, and a plurality of second ring portions on its inner surface, and the housing is disposed on the bobbin to make the first ring portions and the second ring portions butt against each other, thereby increasing creepage distance.
5. The high current pin structure of vertical resonant transformer as claimed in claim 1, wherein a plurality of control pins are disposed on one side of said wiring portion.
6. The high current pin structure of vertical resonant transformer as claimed in claim 1, wherein the connection portion has a plurality of slots and a separate fixing block, the fixing block has a plurality of positioning pins extending therefrom, the second outlet ends of the second coils pass through the slots respectively and are pressed by the positioning pins to form a positioning.
7. The high current pin structure of claim 6, wherein the recess has a joint portion near the opening, and the positioning pins have opposite abutting portions at the sides thereof for connecting with the joint portion, so that each positioning pin can form a positioning in the recess.
8. The high current pin structure of the vertical resonant transformer of claim 1, wherein the insulating layer is an insulating tape or an insulating glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121504.3U CN210039886U (en) | 2019-07-17 | 2019-07-17 | High current pin structure of vertical resonant transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921121504.3U CN210039886U (en) | 2019-07-17 | 2019-07-17 | High current pin structure of vertical resonant transformer |
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| Publication Number | Publication Date |
|---|---|
| CN210039886U true CN210039886U (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921121504.3U Active CN210039886U (en) | 2019-07-17 | 2019-07-17 | High current pin structure of vertical resonant transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289154A (en) * | 2019-07-17 | 2019-09-27 | 昱京科技股份有限公司 | Vertical resonance transformer high current foot bit architecture |
| CN112071590A (en) * | 2020-09-15 | 2020-12-11 | 昱京科技股份有限公司 | High pin structure of resonant transformer |
-
2019
- 2019-07-17 CN CN201921121504.3U patent/CN210039886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289154A (en) * | 2019-07-17 | 2019-09-27 | 昱京科技股份有限公司 | Vertical resonance transformer high current foot bit architecture |
| CN112071590A (en) * | 2020-09-15 | 2020-12-11 | 昱京科技股份有限公司 | High pin structure of resonant transformer |
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