CN219873111U - Anti-interference current transformer - Google Patents
Anti-interference current transformer Download PDFInfo
- Publication number
- CN219873111U CN219873111U CN202321065819.7U CN202321065819U CN219873111U CN 219873111 U CN219873111 U CN 219873111U CN 202321065819 U CN202321065819 U CN 202321065819U CN 219873111 U CN219873111 U CN 219873111U
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- CN
- China
- Prior art keywords
- paper
- current transformer
- secondary winding
- winding
- isolating
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Links
- 238000004804 winding Methods 0.000 claims abstract description 78
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 239000010410 layer Substances 0.000 claims description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000011229 interlayer Substances 0.000 claims description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910052710 silicon Inorganic materials 0.000 claims description 4
- 239000010703 silicon Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Landscapes
- Coils Of Transformers For General Uses (AREA)
Abstract
The utility model relates to a voltage transformer, in particular to an anti-interference current transformer, which comprises a primary winding, a secondary winding and isolating paper, wherein the isolating paper comprises an isolating paper main body, flanges are arranged at the inner edges of the isolating paper main body, at least two secondary windings are arranged, the isolating paper main body is positioned between two adjacent secondary windings, and the flanges are inserted into the secondary windings. Firstly, the isolating paper is additionally arranged between the secondary windings, so that the wire communication between the secondary windings can be effectively avoided, and the anti-interference performance and stability of the transformer are improved. Secondly, the structure of the isolation paper is optimized, the isolation paper is inserted into the secondary winding through the flanging, the relative positions of the isolation paper main body and the secondary winding are limited, and the displacement of the isolation paper can be effectively avoided, so that the isolation effect is ensured.
Description
Technical Field
The utility model relates to the field of electronics, in particular to a transformer.
Background
There are multiple secondary windings, whether current or voltage transformers. When a plurality of secondary windings set up side by side, the wire on the secondary winding is easy intercommunication each other to cause the interference to the mutual-inductor, influence the stability of mutual-inductor.
Disclosure of Invention
The utility model aims to provide an anti-interference current transformer so as to solve the technical problems.
The technical problems solved by the utility model can be realized by adopting the following technical scheme:
the anti-interference current transformer comprises a primary winding and a secondary winding and is characterized by further comprising isolating paper, wherein the isolating paper comprises an annular isolating paper main body, and a flanging is arranged at the inner edge of the isolating paper main body;
the secondary windings are at least two, the isolating paper body is positioned between two adjacent secondary windings, and the flanging is inserted into the secondary windings.
Firstly, the isolating paper is additionally arranged between the secondary windings, so that the wire communication between the secondary windings can be effectively avoided, and the anti-interference performance and stability of the transformer are improved. Secondly, the structure of the isolation paper is optimized, the isolation paper is inserted into the secondary winding through the flanging, the relative positions of the isolation paper main body and the secondary winding are limited, and the displacement of the isolation paper can be effectively avoided, so that the isolation effect is ensured.
As a preferable scheme, the secondary winding comprises an iron core and a secondary coil, wherein the secondary coil is wound on the iron core, and a second insulating paper is wound outside the secondary winding;
the primary winding comprises primary coils, the primary coils penetrate through the centers of the secondary windings and the centers of the isolation paper, and the primary coils are wrapped with first insulation paper;
the flange is interposed between the first insulating paper and the second insulating paper.
Under this scheme, the isolation paper not only can realize the isolation between the secondary winding, can also realize the isolation between secondary winding and the primary winding.
As a preferable scheme, the secondary winding comprises an iron core and a secondary coil, the secondary coil is wound outside the iron core in a layered manner, interlayer insulating paper is arranged between layers of the secondary coil, and the flanging is inserted between the outermost layer of the secondary coil and an immediately adjacent layer.
In this case, the separator is firmly connected to the secondary winding, and can be moved in accordance with the movement of the secondary winding.
As a preferable scheme, the flanges are divided into two groups, namely a first flange positioned at the left side of the isolating paper body and a second flange positioned at the right side of the isolating paper body; the first flange is inserted into the secondary winding located on the left side of the separator body, and the second flange is inserted into the secondary winding located on the right side of the separator body.
Under this scheme, the spacer paper utilizes the turn-ups to be connected to two secondary windings about simultaneously, when can effectively guaranteeing the isolation effect, reduces the quantity of spacer paper.
Preferably, the release paper body is corrugated. The corrugated structure can effectively ensure the spacing between the isolated secondary windings, thereby ensuring the isolation effect.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the present utility model;
FIG. 2 is a schematic structural view of a release paper;
FIG. 3 is a schematic view of another construction of a release paper;
fig. 4 is a cross-sectional view of another construction of release paper.
Detailed Description
In order that the manner in which the utility model is practiced, as well as the features and objects and functions thereof, will be readily understood and appreciated, the utility model will be further described in connection with the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the anti-interference current transformer mainly comprises a primary winding, a secondary winding 2, isolating paper and the like.
Example 1
The isolating paper comprises an annular isolating paper body, and a flanging is arranged at the inner edge of the isolating paper body; at least two secondary windings 2 are arranged, the isolating paper body is positioned between two adjacent secondary windings 2, and the flange is inserted into the secondary windings 2.
Example 2
The isolating paper comprises an annular isolating paper body 4, and a flanging 5 is arranged at the inner edge of the isolating paper body 4. The secondary winding 2 comprises an iron core and a secondary coil, the secondary coil is wound on the iron core, and the secondary winding 2 is wound with second insulating paper; the primary winding comprises a primary coil, the primary coil passes through the center of each secondary winding 2 and the center of the isolating paper, and the primary coil is wrapped with a first insulating paper 1; the flange 5 is interposed between the first insulating paper 1 and the second insulating paper.
Example 3
The isolating paper comprises an annular isolating paper body 4, and a flanging 5 is arranged at the inner edge of the isolating paper body 4. The secondary winding 2 comprises an iron core and a secondary coil, the secondary coil is wound outside the iron core in layers, interlayer insulating paper is arranged between layers of the secondary coil, and the flanging 5 is inserted between the outermost layer of the secondary coil and the immediately adjacent layer.
Example 4
The isolating paper comprises an annular isolating paper body 4, and a flanging 5 is arranged at the inner edge of the isolating paper body 4. The flanges 5 are divided into two groups, namely a first flange positioned at the left side of the isolating paper body 4 and a second flange positioned at the right side of the isolating paper body 4; the first flange is inserted into the secondary winding 2 located on the left side of the separator body 4, and the second flange is inserted into the secondary winding 2 located on the right side of the separator body 4.
At this time, preferably, the inner edge of the separator main body 4 is connected with an annular body, and an even number of second cut-off ports extending radially are formed in the annular body at equal intervals, so that the annular body is cut into an even number of sheet-shaped bodies, the sheet-shaped bodies are bent leftwards and then serve as first flanging, the sheet-shaped bodies are bent rightwards and then serve as second flanging, and the first flanging and the second flanging are arranged at intervals. Thereby facilitating the production and simultaneously saving the raw materials.
In the above four embodiments, the length of the flange is not smaller than the width of the inserted secondary winding 2. Therefore, the flange can be effectively inserted into the secondary winding 2, and the condition that the flange slips out of the secondary winding 2 is reduced.
In the above four embodiments, the release paper body 4 is provided with a first cut 8 extending along the radial direction of the release paper body 4. Therefore, the first fracture can be opened, the isolating paper body 4 is sleeved outside the primary winding, the production difficulty is reduced, and meanwhile, the isolating paper is sleeved on the existing transformer body to form the transformer.
In the four embodiments described above, the release paper body 4 is corrugated. The corrugated structure can effectively ensure the spacing between the isolated secondary windings 2, thereby ensuring the isolation effect. Particularly, when the first cut is formed in the separator, the secondary winding 2 can be effectively prevented from being connected by the wires from the first cut.
In the four embodiments, the transformer further comprises a housing, and the primary winding and the secondary winding 2 are installed in the housing. The primary coil is formed by winding a strip-shaped copper bar 3 for at least three times in a ring shape, a silicon tape is arranged between two adjacent layers of copper bars, interlayer insulating paper is arranged between the silicon tape and the copper bars, and two ends of the copper bars are respectively connected with a wiring board 6. Two wiring boards are respectively fixed at the left side of the top and the right side of the top of the shell. Preferably, two secondary side terminals are connected to the secondary winding 2, two secondary side terminals 7 of the secondary winding 2 positioned on the left side extend from the left side wall of the housing, and the secondary side terminals of the secondary winding 2 positioned on the right side extend from the right side wall of the housing. The structure can effectively enlarge the distance between the wiring board and the wiring terminal, and further reduce mutual interference between coils or wiring.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The anti-interference current transformer comprises a primary winding and a secondary winding and is characterized by further comprising isolating paper, wherein the isolating paper comprises an annular isolating paper main body, and a flanging is arranged at the inner edge of the isolating paper main body;
the secondary windings are at least two, the isolating paper body is positioned between two adjacent secondary windings, and the flanging is inserted into the secondary windings.
2. The anti-interference current transformer according to claim 1, wherein the secondary winding comprises an iron core and a secondary coil, the secondary coil is wound on the iron core, and a second insulating paper is wound outside the secondary winding;
the primary winding comprises primary coils, the primary coils penetrate through the centers of the secondary windings and the centers of the isolation paper, and the primary coils are wrapped with first insulation paper;
the flange is interposed between the first insulating paper and the second insulating paper.
3. The anti-interference current transformer according to claim 1, wherein the secondary winding comprises an iron core and a secondary coil, the secondary coil is wound outside the iron core in layers, interlayer insulating paper is arranged between layers of the secondary coil, and the flanging is inserted between the outermost layer and an immediately adjacent layer of the secondary coil.
4. A tamper resistant current transformer according to claim 2 or 3, wherein the length of the flange is not less than the width of the inserted secondary winding.
5. A current transformer according to claim 2 or claim 3, wherein the body of the spacer is provided with a first cut extending radially of the body of the spacer.
6. An anti-interference current transformer according to claim 2 or 3, wherein the flanges are divided into two groups, a first flange on the left side of the separator body and a second flange on the right side of the separator body; the first flange is inserted into the secondary winding located on the left side of the separator body, and the second flange is inserted into the secondary winding located on the right side of the separator body.
7. The anti-interference current transformer according to claim 6, wherein an annular body is connected to an inner edge of the separator paper body, and an even number of second cut-off ports extending radially are formed in the annular body at equal intervals, so that the annular body is cut into an even number of sheet-shaped bodies, the sheet-shaped bodies are bent leftwards and then serve as first flanges, the sheet-shaped bodies are bent rightwards and then serve as second flanges, and the first flanges and the second flanges are arranged at intervals.
8. The anti-interference current transformer according to claim 2 or 3, wherein the primary coil is formed by winding a strip-shaped copper bar in a ring shape at least three times, a silicon tape is arranged between two adjacent layers of copper bars, interlayer insulating paper is arranged between the silicon tape and the copper bars, and two ends of the copper bars are respectively connected with a wiring board.
9. The anti-interference current transformer according to claim 8, further comprising a housing, wherein the primary winding and the secondary winding are mounted in the housing, and two of the terminal blocks are respectively fixed on a top left side and a top right side of the housing; the secondary winding is connected with two secondary side terminals, the secondary side terminals of the secondary winding positioned on the left side extend out from the left side wall of the shell, and the secondary side terminals of the secondary winding positioned on the right side extend out from the right side wall of the shell.
10. A current transformer according to claim 2 or claim 3, wherein the body of release paper is corrugated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321065819.7U CN219873111U (en) | 2023-05-06 | 2023-05-06 | Anti-interference current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321065819.7U CN219873111U (en) | 2023-05-06 | 2023-05-06 | Anti-interference current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219873111U true CN219873111U (en) | 2023-10-20 |
Family
ID=88334363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321065819.7U Active CN219873111U (en) | 2023-05-06 | 2023-05-06 | Anti-interference current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219873111U (en) |
-
2023
- 2023-05-06 CN CN202321065819.7U patent/CN219873111U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |