CN206460864U - A kind of current transformer - Google Patents
A kind of current transformer Download PDFInfo
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- CN206460864U CN206460864U CN201621412345.9U CN201621412345U CN206460864U CN 206460864 U CN206460864 U CN 206460864U CN 201621412345 U CN201621412345 U CN 201621412345U CN 206460864 U CN206460864 U CN 206460864U
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- current transformer
- conductor
- electric conductor
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- epoxy casting
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- 239000004020 conductor Substances 0.000 claims abstract description 46
- 239000004593 Epoxy Substances 0.000 claims abstract description 21
- 238000005266 casting Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 secondary connection Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The current transformer that the utility model is provided includes：European sleeve pipe, electric conductor, at secondary connection, epoxy casting body；Electric conductor is located at the both sides of epoxy casting body；One end of electric conductor is used for and cable connection, and the other end is used to be connected with switch cubicle；European casing pipe sleeve is located at the periphery of electric conductor；It is located at the side of epoxy casting body at secondary connection.By the way that electric conductor is integrated in current transformer, the electric conductor assume responsibility for inlet-outlet line function, reduce the space of occupancy, it is easy to install and detachable maintaining；And the side of current transformer is arranged at secondary connection, secondary connection is very convenient；Meanwhile, the insulating properties for causing current transformer using epoxy casting body are obviously improved.
Description
Technical Field
The utility model relates to an electric power field especially relates to a current transformer.
Background
At present, the design and manufacturing level of the switch equipment in China has long-term development, and the performance index of the switch equipment has higher requirement.
Current transformers are adopted in a power transmission and distribution cabinet to realize measurement, protection and control of current, and the current transformers and sleeves are combined to be poured by epoxy resin under a vacuum condition. However, for some special power distribution schemes, the power distribution cabinet not only has great structural change and larger size in order to meet the requirements, but also has difficulty in installing cables and traditional current transformers along with the structural change and the size change, and the occupied space is increased.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a current transformer for reducing the difficulty of installation and disassembly maintenance, and reducing the space occupied by the current transformer.
In order to achieve the above object, the present invention provides a current transformer, including: the device comprises a European-style sleeve 1, a conductor 2, a secondary wiring position 3 and an epoxy casting body 4; wherein,
the electric conductor 2 is positioned at the upper end of the epoxy casting body 4; one end of the conductor 2 is used for being connected with a cable, and the other end of the conductor is used for being connected with a switch cabinet;
the European-type sleeve 1 is sleeved at two ends of the electric conductor 2;
the secondary connections 3 are located on the side of the epoxy casting 4.
Preferably, the current transformer further comprises a base mounting plate 5 and a nut insert 6, wherein,
the base mounting plate 5 and the nut insert 6 are used for fixing the current transformer.
Preferably, the first and second electrodes are formed of a metal,
the conductor 2 includes an a phase 21, a B phase 22, and a C phase 23, wherein the B phase 22 is opposite to the a phase 21 and the C phase 23.
Preferably, the first and second electrodes are formed of a metal,
the electric conductor 2 is connected with the switch equipment through a high-voltage plug, and the three-way sleeve 7 is sleeved on the periphery of the connecting position.
Preferably, the current transformer further comprises a high voltage plug 8, wherein,
the conductor 2 is connected to a cable via the high-voltage plug 8.
The utility model provides a current transformer includes: european style sleeve, electric conductor, secondary connection, epoxy casting body; the electric conductors are positioned on two sides of the epoxy casting body; the European-style sleeve is sleeved on the periphery of the conductor; the secondary wiring is located on the side of the epoxy casting. The electric conductor is integrated in the current transformer, and the electric conductor has the wire inlet and outlet functions, so that the occupied space is reduced, and the current transformer is easy to install, disassemble and maintain; the secondary wiring position is arranged on the side surface of the current transformer, and the secondary wiring is very convenient; meanwhile, the epoxy casting body is adopted to obviously improve the insulating property of the current transformer.
Drawings
Fig. 1 is a schematic structural diagram of a current transformer according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an electrical conductor of a current transformer according to an embodiment of the present invention;
fig. 3 is an installation schematic diagram of a current transformer according to an embodiment of the present invention.
Description of the figures
1. A European style sleeve; 2. an electrical conductor; 21. phase A; 22. phase B; 23. c phase; 3. a secondary wiring position; 4. epoxy casting; 5. a base mounting plate; 6. a nut insert; 7. a three-way sleeve; 8. a high-voltage plug is provided.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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, the embodiment of the present invention provides a current transformer's schematic structure, this current transformer includes: the device comprises a European-style sleeve 1, a conductor 2, a secondary wiring position 3 and an epoxy casting body 4; the electric conductor 2 is positioned at the upper end of the epoxy casting body 4; one end of the conductor 2 is used for being connected with a cable, and the other end of the conductor is used for being connected with a switch cabinet; the European-style sleeve 1 is sleeved at two ends of the electric conductor 2; the secondary connections 3 are located on the side of the epoxy casting 4.
In order to meet the requirement of a high-capacity multi-coil scheme of the switch cabinet, the cable is combined with the current transformer, the electric conductor 2 is used for replacing the cable to take the functions of wire inlet and wire outlet, the assembling working steps are further saved during installation, the installation mode is simplified, and the size of the solid ring main unit can be adapted due to the special appearance structure.
In order to facilitate secondary wiring, the secondary wiring part 3 is arranged on the side surface of the epoxy pouring body 4, so that secondary wiring can be performed even if the internal space of the switch cabinet is narrow.
Meanwhile, the epoxy casting body 4 of the current transformer is cast by epoxy resin, and the interior of the epoxy casting body can be made into a structure with one to four coils, so that various choices are provided for different application places.
The embodiment of the utility model provides an among the current transformer, current transformer still includes base mounting panel 5 and nut insert 6, and wherein, base mounting panel 5 and nut insert 6 are used for fixed current transformer.
In order to fix the position of the current transformer in the switch cabinet, the upper end and the lower end of the current transformer are respectively provided with the nut insert 6 and the base mounting plate 5, when the current transformer is installed, the current transformer can be fixed only through the nut insert 6 or the base mounting plate 5, and the nut insert 6 and the base mounting plate 5 can also be used for fixing the current transformer, so that the current transformer is firmly and reliably installed in the switch cabinet.
In the current transformer provided by the embodiment of the present invention, the electric conductor 2 includes an a phase 21, a B phase 22 and a C phase 23, wherein the B phase 22 is opposite to the a phase 21 and the C phase 23.
As shown in the schematic diagram of the conductor of the current transformer shown in fig. 2, in order to reduce the space occupied by the current transformer, the B-phase 22 in the current transformer is set to be opposite to the a-phase 21 and the C-phase 23, and the structural characteristics of the conductor 2 are fully utilized, so that the size of the current transformer is significantly reduced without affecting the function of the current transformer. Accordingly, to avoid installation errors, a distinct identification needs to be provided on the B-phase 22 for differentiation.
The embodiment of the utility model provides an among the current transformer, electric conductor 2 is connected with switchgear through high voltage plug, and the periphery of hookup location is located to tee bend sleeve pipe 7 cover.
As shown in fig. 3, when the current transformer is installed, the high-voltage plug is used to connect the conductor with the switchgear, and the connection position is wrapped by the three-way bushing 7 so as to further isolate the conductor from the outside, thereby ensuring a sufficient insulation interval between the charged body and the outside.
The embodiment of the utility model provides an among the current transformer, current transformer still includes high voltage plug 8, and wherein, electric conductor 2 passes through high voltage plug 8 and cable junction.
As shown in fig. 3, in the installation diagram of the current transformer, in this embodiment, a cable is combined with the current transformer, the connection between an external cable and the switchgear is realized through the conductor 2, and the cable is connected with the conductor 2 only through the high voltage plug 8 and further connected with the switchgear.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
1) through with the electric conductor integration in current transformer, this electric conductor has undertaken business turn over line function, has reduced the use amount of cable, has reduced the space that occupies, and easily installation and dismantlement maintenance.
2) The secondary wiring position is arranged on the side surface of the current transformer, and the secondary wiring is very convenient.
3) The upper end and the lower end of the base are respectively provided with the nut insert and the base mounting plate, so that the mounting is firm and reliable.
4) The whole current transformer is cast by epoxy resin under a vacuum condition, and has good insulating property.
5) The insulating joint is connected with the switch equipment, so that the insulating interval is greatly reduced, and the installation space is reduced.
6) Because the mould is used for manufacturing, the interior can be provided with four coils at most, and the novel coil winding machine can adapt to various schemes.
Finally, the description is as follows: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; but such modifications and substitutions do not depart from the spirit of the corresponding technical solutions and the scope of the present invention as defined in the appended claims.
Claims (5)
1. A current transformer, comprising: the cable comprises a European-style sleeve (1), a conductor (2), a secondary wiring position (3) and an epoxy casting body (4); wherein,
the electric conductor (2) is positioned at the upper end of the epoxy casting body (4); one end of the conductor (2) is used for being connected with a cable, and the other end of the conductor is used for being connected with a switch cabinet;
the European-type sleeve (1) is sleeved at two ends of the conductor (2);
the secondary connection point (3) is located on the side face of the epoxy casting body (4).
2. The current transformer according to claim 1, characterized in that the current transformer further comprises a base mounting plate (5) and a nut insert (6), wherein,
the base mounting plate (5) and the nut insert (6) are used for fixing the current transformer.
3. The current transformer of claim 1,
the conductor (2) includes an A phase (21), a B phase (22), and a C phase (23), wherein the B phase (22) is opposite to the A phase (21) and the C phase (23).
4. The current transformer of claim 3,
the electric conductor (2) is connected with the switch equipment through a high-voltage plug, and the three-way sleeve (7) is sleeved on the periphery of the connecting position.
5. The current transformer according to claim 1, characterized in that the current transformer further comprises a high voltage plug (8), wherein,
the conductor (2) is connected with a cable through the high-voltage plug (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412345.9U CN206460864U (en) | 2016-12-20 | 2016-12-20 | A kind of current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621412345.9U CN206460864U (en) | 2016-12-20 | 2016-12-20 | A kind of current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206460864U true CN206460864U (en) | 2017-09-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621412345.9U Active CN206460864U (en) | 2016-12-20 | 2016-12-20 | A kind of current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206460864U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497731A (en) * | 2021-12-07 | 2022-12-20 | 西安高压电器研究院股份有限公司 | Current transformer and environment-friendly inflating cabinet |
-
2016
- 2016-12-20 CN CN201621412345.9U patent/CN206460864U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115497731A (en) * | 2021-12-07 | 2022-12-20 | 西安高压电器研究院股份有限公司 | Current transformer and environment-friendly inflating cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240805 Address after: 831999 Within the Second Zone of Minsheng Industrial Park, Mulei County, Mulei Kazakh Autonomous County, Changji Hui Autonomous Prefecture, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Shuangjie New Energy Co.,Ltd. Country or region after: China Address before: 100085, D, block 9, 3rd Street, Haidian District, Beijing, 1111 Patentee before: BEIJING SOJO ELECTRIC Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |