CN220138047U - Isolation transformer for power grid data sampling - Google Patents
Isolation transformer for power grid data sampling Download PDFInfo
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- CN220138047U CN220138047U CN202321102535.0U CN202321102535U CN220138047U CN 220138047 U CN220138047 U CN 220138047U CN 202321102535 U CN202321102535 U CN 202321102535U CN 220138047 U CN220138047 U CN 220138047U
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- 238000002955 isolation Methods 0.000 title claims abstract description 27
- 238000005070 sampling Methods 0.000 title claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 86
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 41
- 239000000463 material Substances 0.000 claims description 8
- 239000003822 epoxy resin Substances 0.000 claims description 6
- 229920000647 polyepoxide Polymers 0.000 claims description 6
- -1 polytetrafluoroethylene Polymers 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 239000012774 insulation material Substances 0.000 abstract description 3
- 230000009545 invasion Effects 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
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Abstract
The utility model discloses an isolation transformer for power grid data sampling, which comprises an iron core, a high-voltage winding, a low-voltage winding, an outer shell and a base, wherein the iron core comprises a first cylinder, a second cylinder, a third cylinder and a fourth cylinder; the utility model has the advantages of higher precision, better stability and higher withstand voltage grade of the isolation transformer, and reduces the manufacturing cost; the insulation material with high quality and low loss and the precise winding technology are adopted, so that very high precision requirements can be realized; the dry insulation structure can effectively prevent the invasion of moisture and pollutants in the air outside the winding, and improve the stability of the isolation transformer.
Description
Technical Field
The utility model relates to the technical field of transformers in power systems, in particular to an isolation transformer for power grid data sampling.
Background
With the development of smart power grids and the wide application of big data technology, the requirements on data acquisition of the power grids are higher and higher. The data acquisition of the power grid needs to be realized by adopting equipment and technology with high precision, high stability, high speed and high precision.
There are many isolation transformer products on the market at present, but the existing isolation transformers have the following technical problems: the transmission precision is not high, the transmission stability is not good, the noise interference is large, the pollution is caused by oil leakage, and the like, and the method is not suitable for various external environments.
Therefore, an isolation transformer for power grid data sampling is a urgent problem to be solved.
Disclosure of Invention
The utility model aims to solve the technical problems of low transmission precision, poor transmission stability, large noise interference, pollution caused by oil leakage and the like, and is not suitable for various external environments.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the isolation transformer comprises an iron core, a high-voltage winding, a low-voltage winding, an outer shell and a base, wherein the iron core comprises a first cylinder, a second cylinder, a third cylinder and a fourth cylinder, the high-voltage winding is sleeved on the first cylinder, the low-voltage winding is sleeved on the third cylinder, one end of the second cylinder is connected with one end of the first cylinder, the other end of the second cylinder is connected with one end of the third cylinder, one end of the fourth cylinder is connected with the other end of the first cylinder, and the other end of the fourth cylinder is connected with the other end of the third cylinder; the iron core is fixed on the base through the fixed column, the iron core, the high-voltage winding and the low-voltage winding are covered on the base by the outer shell, the voltage input end is led out from the left side face of the outer shell, the voltage output end is led out from the right side face of the outer shell, and epoxy resin is injected into the outer shell to encapsulate the iron core, the high-voltage winding and the low-voltage winding.
Further, the high-voltage winding and the low-voltage winding are both composed of a winding framework and a tightly wound wire;
the winding framework is made of polytetrafluoroethylene materials with extremely strong insulativity; the winding framework is matched with the first cylinder and the third cylinder of the iron core;
the voltage input end is electrically connected with the wire of the high-voltage winding, and the voltage output end is electrically connected with the wire of the low-voltage winding.
Furthermore, the heights of the second cylinder and the fourth cylinder meet the voltage-resistant requirement, and the high-voltage winding and the low-voltage winding are kept to have enough breakdown-resistant distances.
Furthermore, the iron core is assembled by adopting an R-shaped iron core in a C shape, the R-shaped iron core is formed by winding a continuous curve belt material from small to large to small along the magnetic path direction, the section is circular, and the window is rectangular.
Further, the fixed column comprises four high fixed columns and two low fixed columns, wherein the four high fixed columns are arranged around the bottom of the iron core and used for fixing the iron core on the base, and the two low fixed columns are arranged at the bottom of the low-voltage winding.
Compared with the prior art, the utility model has the advantages that: the utility model is manufactured by adopting the matching structure of the iron core, the high-voltage winding, the low-voltage winding, the outer shell and the base, so that the isolation transformer has higher precision, better stability and higher withstand voltage level, and simultaneously reduces the manufacturing cost; the insulation material with high quality and low loss and the precise winding technology are adopted, so that very high precision requirements can be realized; the dry insulation structure can effectively prevent the invasion of moisture and pollutants in the air outside the winding, and improve the stability of the isolation transformer; the polytetrafluoroethylene framework is adopted, and epoxy resin is filled to effectively enhance the pressure resistance; the method adopts high-quality and low-cost materials, and adopts a production method with simple process and high efficiency, so the cost is relatively low; the utility model can be used in various power grid data acquisition occasions and various fields of relay, data acquisition, monitoring and the like of power grid data signal transmission, and can effectively improve the accuracy and reliability of power grid data acquisition; the utility model has simple operation and reasonable design, and is worth popularizing.
Drawings
Fig. 1 is a schematic diagram of an isolation transformer for grid data sampling according to the present utility model.
Fig. 2 is a schematic structural diagram of an iron core in an isolation transformer for grid data sampling according to the present utility model.
Fig. 3 is a schematic diagram of a winding skeleton structure of a high-voltage winding in an isolation transformer for power grid data sampling according to the present utility model.
Fig. 4 is a schematic diagram of a winding skeleton structure of a low-voltage winding in an isolation transformer for power grid data sampling according to the present utility model.
As shown in the figure: 1. the high-voltage winding, 3, low-voltage winding, 4, outer shell, 5, base, 6, first cylinder, 7, second cylinder, 8, third cylinder, 9, fourth cylinder, 10, fixed column, 11, voltage input end, 12, voltage output end, 13, wire winding framework, 14, wire, 15, high fixed column, 16, low fixed column.
Detailed Description
An isolation transformer for grid data sampling according to the present utility model will be described in further detail with reference to the accompanying drawings.
The present utility model will be described in detail with reference to fig. 1 to 4.
The isolation transformer for power grid data sampling comprises an iron core 1, a high-voltage winding 2, a low-voltage winding 3, an outer shell 4 and a base 5, wherein the iron core 1 comprises a first cylinder 6, a second cylinder 7, a third cylinder 8 and a fourth cylinder 9, the high-voltage winding 2 is sleeved on the first cylinder 6, the low-voltage winding 3 is sleeved on the third cylinder 8, one end of the second cylinder 7 is connected with one end of the first cylinder 6, the other end of the second cylinder is connected with one end of the third cylinder 8, one end of the fourth cylinder 9 is connected with the other end of the first cylinder 6, and the other end of the fourth cylinder 9 is connected with the other end of the third cylinder 8; the iron core 1 is fixed on the base 5 through the fixed column 10, the outer shell 4 covers the iron core 1, the high-voltage winding 2 and the low-voltage winding 3 on the base 5, a voltage input end 11 is led out from the left side face of the outer shell 4, a voltage output end 12 is led out from the right side face of the outer shell 4, and epoxy resin is injected into the outer shell 4 to encapsulate the iron core, the high-voltage winding and the low-voltage winding.
The high-voltage winding 2 and the low-voltage winding 3 are composed of a winding framework 13 and a tightly wound wire 14;
the winding framework 13 is made of polytetrafluoroethylene material with extremely strong insulation property; the winding framework 13 is matched with the first cylinder 6 and the third cylinder 8 of the iron core 1;
the voltage input end 11 is electrically connected with the wire 14 of the high-voltage winding 2, and the voltage output end 12 is electrically connected with the wire 14 of the low-voltage winding 3.
The heights of the second cylinder 7 and the fourth cylinder 9 meet the voltage-resistant requirement, and the high-voltage winding and the low-voltage winding are kept to have enough breakdown-resistant distances.
The iron core 1 is assembled by adopting an R-shaped iron core C shape, the R-shaped iron core is formed by winding a continuous curve belt material from small to large to small along the magnetic path direction, the section is circular, and the window is rectangular.
The fixing columns 10 comprise four high fixing columns 15 and two low fixing columns 16, wherein the four high fixing columns 15 are arranged on the periphery of the bottom of the iron core 1 and used for fixing the iron core 1 on the base 5, and the two low fixing columns 16 are arranged at the bottom of the low-voltage winding 3.
The utility model relates to an isolation transformer for power grid data sampling, which comprises the following specific implementation processes: firstly, a high-voltage winding 2 is sleeved on a first cylinder 6, a low-voltage winding 3 is sleeved on a third cylinder 8, an iron core with the high-voltage winding 2 and the low-voltage winding 3 is fixed on a base 5 through the matching of four high-voltage fixing columns 15 and two low-voltage fixing columns 16, a voltage input end 11 is electrically connected with a wire 14 of the high-voltage winding 2, a voltage output end 12 is electrically connected with the wire 14 of the low-voltage winding 2, the iron core 1, the high-voltage winding 2 and the low-voltage winding 3 are sleeved on the base 5 through an outer shell 4, then epoxy resin is injected into the outer shell 4, and the iron core 1, the high-voltage winding 2 and the low-voltage winding 3 are packaged.
The utility model is manufactured by adopting the matching structure of the iron core 1, the high-voltage winding 2, the low-voltage winding 3, the outer shell 4 and the base 5, so that the isolation transformer has higher precision, better stability and higher withstand voltage level, and simultaneously reduces the manufacturing cost; the insulation material with high quality and low loss and the precise winding technology are adopted, so that very high precision requirements can be realized; the dry insulation structure can effectively prevent the invasion of moisture and pollutants in the air outside the winding, and improve the stability of the isolation transformer; the polytetrafluoroethylene framework is adopted, and epoxy resin is filled to effectively enhance the pressure resistance; the method adopts high-quality and low-cost materials, and adopts a production method with simple process and high efficiency, so the cost is relatively low; the utility model can be used in various power grid data acquisition occasions and various fields of relay, data acquisition, monitoring and the like of power grid data signal transmission, and can effectively improve the accuracy and reliability of power grid data acquisition; the utility model has simple operation and reasonable design, and is worth popularizing.
The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.
Claims (5)
1. An isolation transformer for power grid data sampling, characterized in that: the isolation transformer comprises an iron core (1), a high-voltage winding (2), a low-voltage winding (3), an outer shell (4) and a base (5), wherein the iron core (1) comprises a first cylinder (6), a second cylinder (7), a third cylinder (8) and a fourth cylinder (9), the high-voltage winding (2) is sleeved on the first cylinder (6), the low-voltage winding (3) is sleeved on the third cylinder (8), one end of the second cylinder (7) is connected with one end of the first cylinder (6), the other end of the second cylinder is connected with one end of the third cylinder (8), one end of the fourth cylinder (9) is connected with the other end of the first cylinder (6), and the other end of the fourth cylinder is connected with the other end of the third cylinder (8); the iron core (1) is fixed on the base (5) through the fixed column (10), the outer shell (4) covers the iron core (1), the high-voltage winding (2) and the low-voltage winding (3) on the base (5), a voltage input end (11) is led out from the left side face of the outer shell (4), a voltage output end (12) is led out from the right side face of the outer shell (4), and epoxy resin is injected into the outer shell (4) to encapsulate the iron core, the high-voltage winding and the low-voltage winding.
2. An isolation transformer for grid data sampling according to claim 1, wherein: the high-voltage winding (2) and the low-voltage winding (3) are composed of a winding framework (13) and a tightly wound wire (14);
the winding framework (13) is made of polytetrafluoroethylene materials with extremely strong insulativity; the winding framework (13) is matched with the first cylinder (6) and the third cylinder (8) of the iron core (1);
the voltage input end (11) is electrically connected with the lead (14) of the high-voltage winding (2), and the voltage output end (12) is electrically connected with the lead (14) of the low-voltage winding (3).
3. An isolation transformer for grid data sampling according to claim 2, characterized in that: the heights of the second cylinder (7) and the fourth cylinder (9) meet the voltage-resistant requirement, and the high-voltage winding and the low-voltage winding are kept to have enough breakdown-preventing distances.
4. An isolation transformer for grid data sampling according to claim 1, wherein: the iron core (1) is assembled by adopting an R-shaped iron core in a C shape, the R-shaped iron core is formed by winding a continuous curve belt material from small to large to small along the magnetic path direction, the section is circular, and the window is rectangular.
5. An isolation transformer for grid data sampling according to claim 1, wherein: the fixing columns (10) comprise four high fixing columns (15) and two low fixing columns (16), wherein the four high fixing columns (15) are arranged around the bottom of the iron core (1) and used for fixing the iron core (1) on the base (5), and the two low fixing columns (16) are arranged at the bottom of the low-voltage winding (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102535.0U CN220138047U (en) | 2023-05-10 | 2023-05-10 | Isolation transformer for power grid data sampling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321102535.0U CN220138047U (en) | 2023-05-10 | 2023-05-10 | Isolation transformer for power grid data sampling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220138047U true CN220138047U (en) | 2023-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321102535.0U Active CN220138047U (en) | 2023-05-10 | 2023-05-10 | Isolation transformer for power grid data sampling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220138047U (en) |
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2023
- 2023-05-10 CN CN202321102535.0U patent/CN220138047U/en active Active
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