CN220041564U - Transformer adopting full-insulation structure coil - Google Patents
Transformer adopting full-insulation structure coil Download PDFInfo
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- CN220041564U CN220041564U CN202321259721.5U CN202321259721U CN220041564U CN 220041564 U CN220041564 U CN 220041564U CN 202321259721 U CN202321259721 U CN 202321259721U CN 220041564 U CN220041564 U CN 220041564U
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- 238000009413 insulation Methods 0.000 title claims abstract description 53
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 238000004804 winding Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 10
- 238000005253 cladding Methods 0.000 claims description 6
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Insulating Of Coils (AREA)
Abstract
The utility model relates to the technical field of insulated coils and discloses a transformer adopting a coil with a full insulation structure, which comprises a coil, an E-shaped magnetic core and an I-shaped magnetic core, wherein the E-shaped magnetic core and the I-shaped magnetic core are fixed on the coil, the outer surface of the coil is coated with insulation paper, the insulation paper comprises side insulation paper, wire end insulation paper, end insulation paper and cover insulation paper, the two sides of the coil are respectively coated with the side insulation paper, the two ends of the coil are sequentially coated with the wire end insulation paper and the end insulation paper, an outgoing wire extends out of an opening seam of the wire end insulation paper.
Description
Technical Field
The utility model relates to the field of insulated coils, in particular to a transformer adopting a coil with a full-insulated structure.
Background
The transformer is generally composed of a transformer core and an induction coil, and a common coil has an exposed portion, and in order to ensure insulation performance of the device, insulation distances between both ends of the coil and the core are required, so that coil windings are long, and in recent years, the price of conductive materials used for an electronic transformer in a power supply is continuously increased, and in order to save raw materials, improvement of the structure of the device is required.
The patent application publication No. CN 200310100295.1 discloses a transformer magnetic core and a manufacturing method thereof, wherein an insulating material is arranged on the contact surface of a coil and an E-shaped magnetic core, and the coils at the two ends are bare coils.
During this prior art production, in order to guarantee the insulating properties of device, coil both ends need insulating distance with the magnetic core, therefore, coil wire winding is long, and the raw materials use more.
For this reason, a new technical solution is needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide a transformer adopting a coil with a full insulation structure, wherein the coil adopts an insulation paper full package to form the full insulation structure, the coil and a magnetic core do not need insulation distance, coil winding is reduced, and raw materials are saved.
The technical scheme adopted by the utility model is as follows:
the transformer adopting the coil with the full insulation structure comprises a coil, an E-shaped magnetic core and an I-shaped magnetic core which are fixed on the coil, wherein the outer surface of the coil is coated with insulation paper, the insulation paper comprises side insulation paper, wire end insulation paper, end insulation paper and cover insulation paper, the two sides of the coil are respectively coated with the side insulation paper, the two ends are sequentially coated with the wire end insulation paper and the end insulation paper, and a lead wire extends out of an opening seam of the wire end insulation paper.
Through adopting above-mentioned structure, the coil adopts insulating paper to wrap entirely, forms full insulation structure, and coil and magnetic core need not insulating distance, and coil wire winding reduces, saves raw and other materials.
Preferably, the wire end insulating paper is folded to form an upper side covering part, a lower side covering part and an end surface covering part, the upper side covering part covers the upper side of the end part of the wire arranged on the coil, the lower side covering part covers the lower side of the end part of the wire arranged on the coil, the end surface covering part covers the outer side of the end surface of the coil, and the outer part of the wire end insulating paper is wound and fixed through adhesive paper.
By adopting the structure, the upper part, the lower part and the outer part of the end part of the coil are all covered, and the insulating surface is formed by cladding, so that the insulating effect is strong.
Preferably, the upper cover and the end cover are provided with open slits on both sides of the connecting slit, and the terminal of the coil extends from the open slits to the outside and is connected to the lead-out wire.
Through adopting above-mentioned structure, the wiring end winding displacement of coil is convenient, need not to destroy insulating paper, influences coil insulating properties, and wire end insulating paper cladding operation is also more convenient.
Preferably, the cover insulating paper covers the connection end face of the terminal lead and the outgoing wire of the coil, and is wound around the coil end by the adhesive paper.
Through adopting above-mentioned structure, with the wiring end of coil and draw forth the junction of wire and all cover, carry out insulating operation, the device bulk insulation nature is better.
Preferably, the end insulating paper is folded to form an upper side covering part, a lower side covering part and an end surface covering part, the upper side covering part covers the upper side of the end part of the coil wire-free, the lower side covering part covers the lower side of the end part of the coil wire-free, the end surface covering part covers the outer side of the end surface of the coil, and the outer part of the wire end insulating paper is wound and fixed by adhesive paper.
By adopting the structure, the upper part, the lower part and the outer part of the end part of the coil are all covered, and the insulating surface is formed by cladding, so that the insulating effect is strong.
Preferably, the side insulating paper is folded to form inside insulating paper, outside insulating paper, folding part I, inner insulating paper, folding part II, inside insulating paper covers in coil 1 side inboard in the side insulating paper of side, outside insulating paper covers in coil side outside, inner insulating paper is connected at inboard insulating paper both ends portion, inner insulating paper covers in coil both sides tip inboard, folding part I is connected on one side to inboard insulating paper, folding part II is connected in proper order to the another side, outside insulating paper, folding part II, the insulating paper of two parts folding part II covers in the upper and lower both sides of coil 1 side respectively, folding part I covers in the upside or the downside of coil side, place under folding part II, outside through pasting paper winding fixation after the side insulating paper parcel coil lateral part.
Through adopting above-mentioned structure, the lateral part upper and lower inside and outside of coil all covers insulating paper, and the coil wholly forms insulation structure, and is insulating effectual.
Preferably, the E-shaped magnetic core is inserted into a coil coated with insulating paper and is connected with the I-shaped magnetic core positioned at the other side of the coil, and the two side joints are subjected to submerged arc welding to form a welding seam.
Through adopting above-mentioned structure, E type magnetic core and I type magnetic core joint seam passes through submerged arc welding, and the structure is more firm.
Compared with the prior art, the utility model has the following beneficial effects:
1. the coil of the device adopts the insulation paper full package to form a full insulation structure, the insulation distance between the coil and the magnetic core is not required to be reserved, coil winding is reduced, raw materials are saved, and production cost is saved.
2. According to the device, the two side parts and the two end parts of the coil are sequentially coated by the insulating paper, the operation is simple, the insulating paper is wound and fixed by the adhesive paper during the operation, the connection and the fixation are convenient, and the insulating effect is good.
3. The device repeatedly covers the insulating paper at the end connected with the lead-out wire, and the connecting end of the lead-out wire is also insulated, so that the whole insulation effect of the device is good.
4. According to the device, the E-shaped magnetic core and the I-shaped magnetic core are matched and buckled, and the connecting joint is welded through submerged arc, so that the structure is more stable.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a block diagram of a coil coated with insulating paper according to the present utility model;
FIG. 3 is a block diagram of the outside insulating paper of the present utility model;
FIG. 4 is a schematic illustration of the outside insulating paper of the present utility model after folding;
FIG. 5 is a block diagram of the wire end insulating paper of the present utility model;
FIG. 6 is a block diagram of an end insulating paper of the present utility model;
FIG. 7 is a block diagram of the present utility model covered with insulating paper;
FIG. 8 is a schematic diagram of the connection of the E-type magnetic core and the I-type magnetic core according to the present utility model.
Wherein: 1. a coil; 2. insulating paper; 3. an E-type magnetic core; 4. a type I magnetic core; 5. an inner insulating paper; 6. an outer insulating paper; 7. a folding part I; 8. an inner end insulating paper; 9. a folding part II; 10. wire end insulating paper; 11. end insulating paper; 12. covering insulating paper; 13. an opening slit; 14. welding seams; 15. leading out a wire; 16. side insulating paper; 17. an upper cover; 18. a lower cover part; 19. an end surface covering part.
Description of the embodiments
As shown in fig. 1-8, the transformer adopting the coil with the full insulation structure comprises a coil 1, an E-shaped magnetic core 3 and an I-shaped magnetic core 4 fixed on the coil 1, wherein the outer surface of the coil 1 is coated with insulation paper 2, the insulation paper 2 comprises side insulation paper 16, wire end insulation paper 10, end insulation paper 11 and cover insulation paper 12, two sides of the coil 1 are respectively coated with the side insulation paper 16, two ends are sequentially coated with the wire end insulation paper 10 and the end insulation paper 11, and a lead 15 extends out of an opening seam 13 of the wire end insulation paper 10. The coil 1 of the device adopts the insulation paper 2 to fully wrap, so that a fully insulating structure is formed, the insulation distance between the coil 1 and the magnetic core is not required to be reserved, the winding of the coil 1 is reduced, raw materials are saved, and the production cost is saved.
The wire end insulating paper 10 is folded to form an upper cover 17, a lower cover 18 and an end surface cover 19, the upper cover 17 covers the upper side of the end of the coil 1 where the wire is arranged, the lower cover 18 covers the lower side of the end of the coil 1 where the wire is arranged, the end surface cover 19 covers the outer side of the end surface of the coil 1, and the outer part of the wire end insulating paper 10 is fixed by winding adhesive paper. The upper cover 17 and the end cover 19 are connected to each other by opening slits 13 at both sides thereof, and the terminals of the coil 1 extend from the opening slits 13 to the outside and are connected to the lead wires 15. The cover insulating paper 12 covers the connection end face of the terminal of the coil 1 and the lead wire 15, and is wound around the end of the coil 1 by adhesive paper.
The end insulating paper 11 is folded to form an upper cover 17, a lower cover 18, and an end cover 19, the upper cover 17 covers the upper side of the end of the coil 1 where no wire is provided, the lower cover 18 covers the lower side of the end of the coil 1 where no wire is provided, the end cover 19 covers the outside of the end of the coil 1, and the outside of the wire end insulating paper 10 is fixed by winding adhesive paper.
The side insulating paper 16 is folded to form an inner insulating paper 5, an outer insulating paper 6, a folding part I7, an inner insulating paper 8 and a folding part II 9, wherein the inner insulating paper 5 in the side insulating paper 16 is covered on the inner side of the side edge of the coil 1, the outer insulating paper 6 is covered on the outer side of the side edge of the coil 1, the inner insulating paper 8 is connected with the two end parts of the inner insulating paper 5, the inner insulating paper 8 is covered on the inner side of the two end parts of the coil 1, one side of the inner insulating paper 5 is connected with the folding part I7, the other side of the inner insulating paper 5 is sequentially connected with the folding part II 9, the outer insulating paper 6 and the folding part II 9, the insulating papers of the two folding parts II 9 are respectively covered on the upper side or the lower side of the side edge of the coil 1, the folding part I7 is placed under the folding part II 9, and the outer side of the side insulating paper 16 is wrapped on the side edge of the coil 1 and is wound and fixed through adhesive paper. The insulating paper 2 is used for coating the two side parts and the two end parts of the coil 1 in sequence, the operation is simple, the insulating paper 2 is fixed by winding adhesive paper during operation, the connection and the fixation are convenient, and the insulation effect is good. The end of the connecting lead-out wire 15 is repeatedly covered with insulating paper, and the connecting end of the lead-out wire 15 is also insulated, so that the whole insulation effect of the device is good.
The E-shaped magnetic core 3 is inserted into the coil 1 coated with the insulating paper 2, is connected with the I-shaped magnetic core 4 positioned on the other side of the coil 1, and is welded at the connection parts of the two sides in a submerged-arc manner to form a welding seam 14. The E-shaped magnetic core 3 and the I-shaped magnetic core 4 of the device are matched and buckled, and the connecting joint is welded through submerged arc, so that the structure is more stable.
When the coil 1 of the device is coated with the insulating paper 2, the side insulating paper 16, the wire end insulating paper 10, the end insulating paper 11 and the cover insulating paper 12 are cut according to the size of the coil 1, the upper cover 17, the lower cover 18 and the end cover 19 of the wire end insulating paper 10 are sequentially covered, the connecting end of the coil 1 extends from the opening seam 13 to the outside and is connected with the lead-out wire 15, the wire end insulating paper 10 is wound and fixed by adhesive paper, the cover insulating paper 12 is covered outside the end cover 19, the connecting end of the coil 1 and the wiring position of the lead-out wire 15 are wound and fixed by adhesive paper, the upper cover 17, the lower cover 18 and the end cover 19 of the end insulating paper 11 are sequentially covered and fixed by adhesive paper, and finally, sequentially coating the inner insulating paper 5, the folding part II 9, the outer insulating paper 6 and the folding part II 9 of the side insulating paper 16 on the inner side, the bottom, the outer side and the top of the side part of the coil 1, folding the inner insulating paper 8 and the inner sides of the two end parts, folding the folding part I7 under the folding part II 9, winding and fixing the lead-out wires 6 by using adhesive paper, returning the lead-out wires to the positions, inserting the E-shaped magnetic core 3 on the coil 1 coated with the insulating paper 2, connecting the E-shaped magnetic core 4 on the other side, and submerged-arc welding the connecting parts of the two sides to form a welding seam 5, so that the assembly of the coil and the magnetic core is finished, and the position of the welding seam 5 is also convenient for identifying the relative positions of the E-shaped magnetic core 3 and the I-shaped magnetic core 4 during subsequent operation.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should be included in the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.
Claims (7)
1. Adopt transformer of full insulation structure coil, including coil and be fixed in E type magnetic core, I type magnetic core on the coil, its characterized in that: the coil outer surface cladding insulating paper, insulating paper include side insulating paper, wire end insulating paper, tip insulating paper, cover insulating paper, coil both sides limit cladding side insulating paper respectively, both ends cladding wire end insulating paper, tip insulating paper in proper order, and the opening seam of wire end insulating paper is extended to the lead wire.
2. The transformer employing the coil of all-insulated structure according to claim 1, wherein: the wire end insulating paper is folded to form an upper side covering part, a lower side covering part and an end surface covering part, the upper side covering part covers the upper side of the end part of the wire arranged on the coil, the lower side covering part covers the lower side of the end part of the wire arranged on the coil, the end surface covering part covers the outer side of the end surface of the coil, and the outer part of the wire end insulating paper is wound and fixed through adhesive paper.
3. The transformer employing the coil of all-insulated structure according to claim 2, wherein: the upper side cover part and the end surface cover part are connected, and the two sides of the connecting seam are provided with opening seams, and the wiring ends of the coil extend from the opening seams to the outside and are connected with the lead-out wires.
4. A transformer employing a coil of all-insulated structure as set forth in claim 3, wherein: the cover insulating paper covers the connection end face of the wiring end of the coil and the lead-out wire, and is wound and covered on the end part of the coil through the adhesive paper.
5. The transformer employing the coil of all-insulated structure according to claim 1, wherein: the end insulating paper is folded to form an upper side covering part, a lower side covering part and an end surface covering part, the upper side covering part covers the upper side of the end part of the coil without the wire, the lower side covering part covers the lower side of the end part of the coil without the wire, the end surface covering part covers the outer side of the end surface of the coil, and the outer part of the wire end insulating paper is wound and fixed through adhesive paper.
6. The transformer employing the coil of all-insulated structure according to claim 1, wherein: the side insulating paper is folded to form inside insulating paper, outside insulating paper, folding part I, inner insulating paper, folding part II, inside insulating paper covers in coil 1 side inboard in the side insulating paper, outside insulating paper covers in coil side outside, the inner insulating paper is connected at inboard insulating paper both ends portion, the inner insulating paper covers in coil both sides tip inboard, folding part I is connected on one side to inboard insulating paper, folding part II is connected in proper order to the another side, outside insulating paper, folding part II, the insulating paper of two parts folding part II covers in the upper and lower both sides of coil 1 side respectively, folding part I covers in the upside or the downside of coil side, place under folding part II, outside through pasting paper winding fixation after the side insulating paper parcel coil lateral part.
7. The transformer employing the coil of all-insulated structure according to claim 1, wherein: the E-shaped magnetic core is inserted into a coil coated with insulating paper and is connected with the I-shaped magnetic core positioned at the other side of the coil, and the two side joints are subjected to submerged arc welding to form a welding seam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259721.5U CN220041564U (en) | 2023-05-23 | 2023-05-23 | Transformer adopting full-insulation structure coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321259721.5U CN220041564U (en) | 2023-05-23 | 2023-05-23 | Transformer adopting full-insulation structure coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220041564U true CN220041564U (en) | 2023-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321259721.5U Active CN220041564U (en) | 2023-05-23 | 2023-05-23 | Transformer adopting full-insulation structure coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220041564U (en) |
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2023
- 2023-05-23 CN CN202321259721.5U patent/CN220041564U/en active Active
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