CN209880352U - Zero sequence transformer for intelligent switch - Google Patents
Zero sequence transformer for intelligent switch Download PDFInfo
- Publication number
- CN209880352U CN209880352U CN201921198588.0U CN201921198588U CN209880352U CN 209880352 U CN209880352 U CN 209880352U CN 201921198588 U CN201921198588 U CN 201921198588U CN 209880352 U CN209880352 U CN 209880352U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- zero sequence
- sequence transformer
- intelligent switch
- enameled wire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a zero sequence transformer for intelligence switch, including magnetic core, enameled wire, the magnetic core is ring shape, the parcel has insulating cover in the magnetic core outside, be equipped with the buffer layer between magnetic core and the insulating cover, enameled wire one end is run through insulating cover and is connected with the magnetic core with the buffer layer, enameled wire is two at least, the enameled wire deviates from the outside extension of one end of magnetic core, and the one end of extending is equipped with the interface unit, the interface unit comprises the plastics material, be equipped with the electricity that is used for the electricity to connect even piece in the interface unit to a zero sequence transformer that the structure is simple and easy, the precision is high is provided.
Description
Technical Field
The utility model relates to a mutual-inductor technical field, in particular to a zero sequence transformer for intelligent switch.
Background
Articles used in the power industry. The zero sequence current transformer is a single-turn straight-through current transformer, is generally used for power protection equipment, and is used in cooperation with a relay protection device or a signal when a power system generates zero sequence grounding current, so that elements of the device act to realize protection or monitoring.
In the prior art, a magnetic core and a coil are wound and then wrapped or not wrapped during the production of the zero sequence transformer, so that the efficiency is low. The outside of the mutual inductor is not provided with protective substances, so that the mutual inductor is easily damaged in the transportation process, and the use precision is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a zero sequence transformer that the structure is simple and easy, the precision is high for intelligent switch.
The technical scheme of the utility model is realized like this: the utility model provides a zero sequence transformer for intelligence switch, includes magnetic core, enameled wire, the magnetic core is ring shape, the parcel of the magnetic core outside has insulating cover, be equipped with the buffer layer between magnetic core and the insulating cover, enameled wire one end runs through insulating cover and buffer layer in proper order and is connected with the magnetic core, enameled wire is two at least, the enameled wire deviates from the outside extension of one end of magnetic core, and the one end of extending is equipped with the interface unit, the interface unit comprises the plastics material, be equipped with the electric connection piece that is used for the electricity to connect in the interface unit.
By adopting the technical scheme, the magnetic core is in a circular ring shape and is convenient to match with a relay or an electronic element, the volume of the switch is small, the magnetic core is in a circular ring shape, so that the matching of the magnetic core and the switch is further improved, the use efficiency is improved, the outer side of the magnetic core is wrapped with the insulating sleeve, the magnetic core is used for preventing electric leakage, the problem of electric conduction or electric leakage of the magnetic core is reduced through the insulating sleeve, the shock absorption layer is arranged between the magnetic core and the insulating sleeve and used for preventing the magnetic core from being damaged, one end of the enameled wire sequentially penetrates through the insulating sleeve and the shock absorption layer and is connected with the magnetic core, the enameled wire is fixed on the insulating sleeve and the shock absorption layer, the connection strength is improved, at least two enameled wires extend outwards from one end of the magnetic core, an interface device is arranged at the extending end of the enameled wire, and the connection effect of the magnetic, the connector is made of a plastic material, the plastic material is insulating and cannot conduct electricity, an electric connecting piece used for electric connection is arranged in the connector, and the use efficiency is improved through the electric connecting piece.
The utility model discloses further set up to: the insulating sleeve is an insulating adhesive tape, and the insulating sleeve is mutually overlapped, wound and fixed along the same direction.
By adopting the technical scheme, the insulating tape has the advantages of good economy, high use efficiency, simplicity and convenience in operation during use and improvement on production efficiency.
The utility model discloses further set up to: the magnetic core is made of high-permeability nanocrystalline materials.
By adopting the technical scheme, the high-permeability nanocrystalline material is small in magnetic loss, high in precision, energy-saving, smaller in volume compared with the traditional iron core, convenient to use and greatly improved in detection precision.
The utility model discloses further set up to: the shock absorption layer is a sponge layer.
Through adopting above-mentioned technical scheme, the shock attenuation effect that adopts the sponge layer improves, and more economy.
The utility model discloses further set up to: the length of the enameled wire is 4-7 mm.
Through adopting above-mentioned technical scheme, the length of enameled wire has improved the availability factor for a short time, makes it can not knot the winding.
The utility model discloses further set up to: the thickness of the ring surface of the magnetic core is 3-6 mm.
Through adopting above-mentioned technical scheme, the thickness of magnetic core is littleer, consequently the area that occupies is littleer, has improved the availability factor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;
fig. 2 is a cross-sectional view taken along a-a in fig. 1 according to an embodiment of the present invention.
Reference numerals: 1. a magnetic core; 11. an insulating sleeve; 2. coating a paint line; 21. an interface unit; 211. an electrical connection piece; 3. And a shock absorption layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the utility model discloses a zero sequence transformer for an intelligent switch, which comprises a magnetic core 1 and a lacquered wire 2, wherein the magnetic core 1 is in a ring shape and is convenient to match with a relay or an electronic component, the magnetic core 1 is in a ring shape, so that the matching of the magnetic core 1 and the switch is further improved, the use efficiency is improved, an insulating sleeve 11 is wrapped outside the magnetic core 1, the magnetic core 1 is used for preventing electric leakage, the problem of electric conduction or electric leakage of the magnetic core 1 is reduced through the insulating sleeve 11, a damping layer 3 is arranged between the magnetic core 1 and the insulating sleeve 11, the damping layer 3 is used for preventing the magnetic core 1 from being damaged, one end of the lacquered wire 2 sequentially penetrates through the insulating sleeve 11 and the damping layer 3 and is connected with the magnetic core 1, the lacquered wire 2 is fixed on the insulating sleeve 11 and the damping layer 3, so that the connection strength, the enameled wire 2 is two at least, the one end that enameled wire 2 deviates from magnetic core 1 outwards extends, and the one end of extension is equipped with interface unit 21, interface unit 21 has further improved the effect that magnetic core 1 is connected with relay or electronic component, interface unit 21 comprises the plastics material, the plastics material can not electrically conduct for insulating, be equipped with the electric connection piece 211 that is used for the electricity to connect in the interface unit 21, the electric connection piece 211 has improved the availability factor.
The insulating sleeve 11 is an insulating adhesive tape, the insulating sleeve 11 is wound and fixed along the same direction in an overlapping mode, the insulating adhesive tape is good in economy and high in use efficiency, operation is simple and convenient during use, and production efficiency is improved.
The magnetic core 1 is made of high-permeability nanocrystalline materials, the high-permeability nanocrystalline materials are small in magnetic loss, high in precision, energy-saving, smaller in size and convenient to use compared with a traditional iron core, and detection precision is greatly improved.
The damping layer 3 is a sponge layer, the damping effect of the sponge layer is improved, and the damping layer is more economic.
The length of the enameled wire 2 is 4-7mm, and the length of the enameled wire 2 is short, so that the use efficiency is improved, and the enameled wire cannot be knotted and wound.
The thickness of the ring surface of the magnetic core 1 is 3-6mm, and the thickness of the magnetic core 1 is smaller, so that the occupied area is smaller, and the use efficiency is improved.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a zero sequence transformer for intelligence switch, includes magnetic core, enameled wire, its characterized in that: the magnetic core is ring shape, the parcel has insulating cover in the magnetic core outside, be equipped with the buffer layer between magnetic core and the insulating cover, insulating cover and buffer layer are run through in proper order to enamelled wire one end and are connected with the magnetic core, enamelled wire is at least two, the enamelled wire deviates from the outside extension of one end of magnetic core, and the one end of extending is equipped with the mouth-piece, the mouth-piece comprises the plastics material, be equipped with the electric connection piece that is used for the electricity to connect in the mouth-piece.
2. The zero sequence transformer for the intelligent switch according to claim 1, characterized in that: the insulating sleeve is an insulating adhesive tape, and the insulating sleeve is mutually overlapped, wound and fixed along the same direction.
3. The zero sequence transformer for the intelligent switch according to claim 1, characterized in that: the magnetic core is made of high-permeability nanocrystalline materials.
4. The zero sequence transformer for the intelligent switch according to claim 1, characterized in that: the shock absorption layer is a sponge layer.
5. The zero sequence transformer for the intelligent switch according to claim 1, characterized in that: the length of the enameled wire is 4-7 mm.
6. The zero sequence transformer for the intelligent switch according to claim 1, characterized in that: the thickness of the ring surface of the magnetic core is 3-6 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198588.0U CN209880352U (en) | 2019-07-26 | 2019-07-26 | Zero sequence transformer for intelligent switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198588.0U CN209880352U (en) | 2019-07-26 | 2019-07-26 | Zero sequence transformer for intelligent switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209880352U true CN209880352U (en) | 2019-12-31 |
Family
ID=68949463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198588.0U Expired - Fee Related CN209880352U (en) | 2019-07-26 | 2019-07-26 | Zero sequence transformer for intelligent switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209880352U (en) |
-
2019
- 2019-07-26 CN CN201921198588.0U patent/CN209880352U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 Termination date: 20210726 |