CN205194492U - Current inducer - Google Patents
Current inducer Download PDFInfo
- Publication number
- CN205194492U CN205194492U CN201520852650.9U CN201520852650U CN205194492U CN 205194492 U CN205194492 U CN 205194492U CN 201520852650 U CN201520852650 U CN 201520852650U CN 205194492 U CN205194492 U CN 205194492U
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- CN
- China
- Prior art keywords
- bus
- outer cover
- housing
- coil
- current transformer
- 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.)
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Links
- 239000000411 inducer Substances 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 claims description 10
- 239000003822 epoxy resin Substances 0.000 claims description 7
- 229920000647 polyepoxide Polymers 0.000 claims description 7
- 238000007493 shaping process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 2
- 238000004080 punching Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a current inducer, including the CT coil, CT generating line casing and the CT dustcoat of locating the CT generating line casing outside, the upper end and the CT generating line housing seal of CT dustcoat are connected, the lower extreme is connected with CT generating line housing seal, enclose the CT coil space that becomes to be used for to supply the installation of CT coil between CT dustcoat and the CT generating line casing, the CT base among the prior art has been saved, the problem of because the interior lateral cavity wall in the CT coil space of installation CT coil leads to the structure complicated with CT generating line casing independent setting among the prior art is solved, the structure that makes this current inducer is compacter.
Description
Technical field
The utility model relates to a kind of GIS Current Transformer.
Background technology
Power system security runs reliably; mainly through carrying out monitoring and measuring to realize to its ruuning situation; the monitoring of power equipment is the important component part of power equipment; namely current transformer is convert the high voltage of primary system and big current to low-voltage and small area analysis; supply measuring instrument and protective device use, and instrument transformer safe and reliable is the basis of electric power system monitoring and measuring.Current transformer (CT) is mainly monitored the electric current of equipment circulation, is the important monitoring equipment of one in electric power system.Along with the quick growth of electricity needs, the plurality of advantages such as GIS is little with its compact conformation, floor space, environmental resistance ability strong, handling safety, good looking appearance, are widely used.Current transformer is integrated into GIS as important force device, and the miniaturization of current transformer and simplification have become the important component part of GIS Miniaturization Research.Notification number is that the Chinese utility model patent of CN203659614U discloses a kind of compact current transformer, comprise CT punching bus and CT bus, CT outer cover, CT base and kuppe, CT punching bus comprises CT punching bus housing, the upper and lower sides of CT punching bus housing is respectively equipped with top flange and flange in the bottom, the diameter of top flange is less than the diameter of flange in the bottom, CT base sheath is located at CT punching bus hull outside and is fixedly connected on the flange in the bottom of CT punching bus housing, the outside of CT base is connected with CT outer cover, the upside of CT outer cover is connected with kuppe, closed CT coil space is surrounded between CT outer cover and CT base, CT coil is provided with in CT coil space, CT coil is connected with the bottom of CT base.But CT base comprises the cylinder of the base of the outer circumference be positioned at outside CT punching bus housing, CT outer cover comprises vertical housing parts and is integrally connected to the outer cover platform at housing parts top, the bottom of housing parts is connected with CT bolt of lower base, insulation cushion is provided with between the interior edge of outer cover platform and cylinder of the base, and CT coil is connected on CT base by screw rod, screw rod is also connected with pressing plate, and pressing plate leans against on the upper side of CT coil, but this current transformer structure is complicated, parts are more.
Utility model content
The purpose of this utility model is that providing a kind of solves in prior art because chamber, the inner side wall and CT bus housing installing the CT coil space of CT coil independently arranges the current transformer causing baroque problem.
For achieving the above object, the utility model adopts following technical scheme: a kind of current transformer, comprise CT coil, CT bus housing and be arranged at the CT outer cover of CT bus closure periphery, the upper end of CT outer cover is connected with the housing seal of CT bus, the lower end of CT outer cover is connected with the housing seal of CT bus, surrounds the CT coil space for installing for CT coil between CT outer cover and CT bus housing.
The upper end of described CT outer cover is connected with sealed insulation between CT bus housing.
The upper end of described CT outer cover with adopt between CT bus housing that poured with epoxy resin is shaping to be connected to realize sealed insulation.
Described CT coil is sheathed on CT bus housing outer peripheral face and also adopts poured with epoxy resin to be connected with between CT bus housing.
The upper and lower sides of described CT bus housing is respectively equipped with top flange and flange in the bottom, and top flange diameter is less than flange in the bottom diameter, and CT coil is positioned on flange in the bottom.
Described CT outer cover comprises vertical housing parts and is integrally connected to the outer cover platform at housing parts top, and the end of outer cover platform has a tubular connecting portion be connected with the housing seal of CT bus that is that upwards bend.
Described current transformer also comprises the kuppe being sheathed on CT bus hull outside, and the lower end of kuppe is connected with CT outer cover, and the upper end of kuppe is used for being tightly connected with apparatus casing.
The beneficial effects of the utility model are: the upper end of CT outer cover is connected with the housing seal of CT bus, lower end is connected with the housing seal of CT bus, the CT coil space for installing for CT coil is surrounded between CT outer cover and CT bus housing, eliminate CT base of the prior art, solve in prior art and cause baroque problem because chamber, the inner side wall and CT bus housing installing the CT coil space of CT coil is independently arranged, make the structure of this current transformer compacter.
Accompanying drawing explanation
Fig. 1 is the structural representation of an embodiment of a kind of current transformer of the present utility model;
Fig. 2 is the schematic diagram of induced current flow-guiding channel in the utility model;
Fig. 3 is waterproof construction schematic diagram in the utility model.
Embodiment
A kind of current transformer, as shown in Figure 1, comprise CT bus 1, CT coil 2, CT outer cover 3 and kuppe 4, CT bus 1 comprises CT bus housing 8 and conductor 9, conductor 9 is arranged in CT bus housing 8, and mainly circulate primary current, and the upper and lower sides of CT bus housing 8 has been wholely set top flange 10 and flange in the bottom 11 respectively, the diameter of top flange 10 is less than the diameter of flange in the bottom 11, and CT coil 2 can conveniently be worn from the upper end of CT bus housing 8 from top to down.CT outer cover 3 comprises vertical housing parts 14 and is integrally connected to the outer cover platform 15 at housing parts 14 top, the bottom of housing parts 14 is connected with flange in the bottom 11, the end of outer cover platform 15 has a tubular connecting portion 16 be connected to realize sealed insulation with CT bus housing 8 moulding by casting that is that upwards bend, adopt poured with epoxy resin to be connected between tubular connecting portion 16 with CT bus housing 8 to be formed first to insulate differentiation 7 simultaneously, cut off the circulation between CT bus housing 8 and CT outer cover 3, CT coil space is surrounded between CT outer cover 3 and CT bus housing 8, CT coil 2 is provided with in CT coil space, CT coil 2 is inserted in by the upper end of CT bus housing 8, be positioned on flange in the bottom 11, adopt poured with epoxy resin shaping with fixation of C T coil 2 between CT coil 2 and CT bus housing 8, eliminate in prior art the fixture that CT coil is fixed, further reducing parts makes structure compacter.Top flange 10 top is provided with the counter flange 5 for being connected with apparatus casing, is provided with the second insulation and distinguishes 6 between counter flange 5 and top flange 10, cuts off the induced current on CT bus housing 8.The top of kuppe 4 is connected in counter flange 5, the bottom of kuppe 4 is connected with CT outer cover 3, kuppe 4 and CT outer cover 3 form electrical circuit, induced current on apparatus casing 12 is guided on CT outer cover 3 by kuppe 4, then by CT outer cover 3, electric current is guided on the Shell of circuit breaker 13 be connected with flange in the bottom 11 of below, the schematic diagram of induced current pathway as shown in Figure 2, kuppe 4 entirety surrounds counter flange 5 simultaneously, top flange 10, first insulate differentiation 7 and the second insulation differentiation 6, play waterproof, rainproof effect, as shown in Figure 3.If when running into the weather of strong wind and heavy rain, even if a small amount of rainwater can enter from kuppe 4 and counter flange 5 junction, due to the tubular connecting portion 16 that the end of the outer cover platform 15 of CT outer cover 3 has, rainwater can be made to flow out from the gap between CT outer cover and kuppe, be unlikely to affect the first insulating divisions 7, and rainwater can be stoped to enter CT coil 2 interior volume further.
A kind of close-coupled pouring current transformer of the present utility model can be used for, in 550KV circuit, for successfully completing a complete set of demonstration test, simplifying product structure, decrease the use of parts, structure is compacter, achieves the Miniaturization Design of product, improves the reliability of product.
In other embodiments of the present utility model, tubular connecting portion also can not be established in the end of the outer cover platform of CT outer cover, and directly adopts poured with epoxy resin sealed insulation to be connected with between CT bus housing; Also sealing ring can be adopted between tubular connecting portion with CT bus housing to carry out sealed insulation be connected.
Claims (7)
1. a current transformer, comprise CT coil, CT bus housing and be arranged at the CT outer cover of CT bus closure periphery, it is characterized in that: the upper end of CT outer cover is connected with the housing seal of CT bus, the lower end of CT outer cover is connected with the housing seal of CT bus, surrounds the CT coil space for installing for CT coil between CT outer cover and CT bus housing.
2. a kind of current transformer according to claim 1, is characterized in that: the upper end of described CT outer cover is connected with sealed insulation between CT bus housing.
3. a kind of current transformer according to claim 2, is characterized in that: the upper end of described CT outer cover with adopt between CT bus housing that poured with epoxy resin is shaping to be connected to realize sealed insulation.
4. a kind of current transformer according to claim 1, is characterized in that: described CT coil is sheathed on CT bus housing outer peripheral face and also adopts poured with epoxy resin to be connected with between CT bus housing.
5. a kind of current transformer according to claim 4, is characterized in that: the upper and lower sides of described CT bus housing is respectively equipped with top flange and flange in the bottom, and top flange diameter is less than flange in the bottom diameter, and CT coil is positioned on flange in the bottom.
6. a kind of current transformer according to any one of claim 1-5, it is characterized in that: described CT outer cover comprises vertical housing parts and is integrally connected to the outer cover platform at housing parts top, the end of outer cover platform has a tubular connecting portion be connected with the housing seal of CT bus that is that upwards bend.
7. a kind of current transformer according to claim 6, it is characterized in that: described current transformer also comprises the kuppe being sheathed on CT bus hull outside, the lower end of kuppe is connected with CT outer cover, and the upper end of kuppe is used for being tightly connected with apparatus casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852650.9U CN205194492U (en) | 2015-10-30 | 2015-10-30 | Current inducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520852650.9U CN205194492U (en) | 2015-10-30 | 2015-10-30 | Current inducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205194492U true CN205194492U (en) | 2016-04-27 |
Family
ID=55787460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520852650.9U Active CN205194492U (en) | 2015-10-30 | 2015-10-30 | Current inducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205194492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229133A (en) * | 2016-09-06 | 2016-12-14 | 国网天津市电力公司 | A kind of novel electromagnetic current transformer device |
| CN111292943A (en) * | 2018-12-06 | 2020-06-16 | 河南平芝高压开关有限公司 | GIS type semi-casting external current transformer and GIS equipment |
-
2015
- 2015-10-30 CN CN201520852650.9U patent/CN205194492U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106229133A (en) * | 2016-09-06 | 2016-12-14 | 国网天津市电力公司 | A kind of novel electromagnetic current transformer device |
| CN111292943A (en) * | 2018-12-06 | 2020-06-16 | 河南平芝高压开关有限公司 | GIS type semi-casting external current transformer and GIS equipment |
| CN111292943B (en) * | 2018-12-06 | 2021-06-29 | 河南平芝高压开关有限公司 | GIS type semi-casting external current transformer and GIS equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |