CN204270857U - LBW32-10 type switch protection Current Transformer - Google Patents
LBW32-10 type switch protection Current Transformer Download PDFInfo
- Publication number
- CN204270857U CN204270857U CN201420782207.4U CN201420782207U CN204270857U CN 204270857 U CN204270857 U CN 204270857U CN 201420782207 U CN201420782207 U CN 201420782207U CN 204270857 U CN204270857 U CN 204270857U
- Authority
- CN
- China
- Prior art keywords
- housing
- lbw32
- current transformer
- type switch
- penetration pipe
- 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
Links
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 230000035515 penetration Effects 0.000 claims abstract description 29
- 239000003822 epoxy resin Substances 0.000 claims abstract description 8
- 229920000647 polyepoxide Polymers 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 20
- 239000011241 protective layer Substances 0.000 claims description 14
- 229910000838 Al alloy Inorganic materials 0.000 claims description 11
- 239000002131 composite material Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000011148 porous material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
Landscapes
- Transformers For Measuring Instruments (AREA)
Abstract
The utility model relates to a kind of LBW32-10 type switch protection Current Transformer, comprise ring-shaped core and insulation crust, described insulation crust is provided with circumferential body, described circumferential body comprises coaxially arranged penetration pipe and the annular housing for taking up described ring-shaped core, be fixedly connected with by an annular plate radial direction between the wall of described penetration pipe and the wall of described annular housing, described insulation crust is interlocked by housing one and housing two and forms, the two place of being interlocked adopts anaerobic sealer sealing, housing one and housing two are interlocked along the symmetrical plane of the axis perpendicular to annular housing, penetration pipe and annular plate are all positioned on housing one, described housing one is provided with indent seam at the opening part of described annular housing, described housing two is provided with at the opening part of described annular housing the outer male half coupling fastened that to match with described indent seam.The utility model is completely without poured with epoxy resin, and manufacturing cost is lower, and can meet the requirement of insulation and electric property completely.
Description
Technical field
The utility model relates to a kind of switch protection Current Transformer, is exclusively used in W32-10 type on-pole switch and supports the use, play the protective effect to three-phase current.
Background technology
At present, W32-10 type on-pole switch protective current transformer, normally adopts the current transformer that epoxide resin vacuum is poured into a mould or epoxy resin pressure pouring method makes, and this type of instrument transformer cost of manufacture is higher, and withstand voltage drawn game is put and not easily met standard-required.
Utility model content
In order to overcome the above-mentioned defect under prior art, the purpose of this utility model is to provide a kind of LBW32-10 type switch protection Current Transformer, and this current transformer manufacturing cost is lower, and can meet the requirement of insulation and electric property completely.
The technical solution of the utility model is:
A kind of LBW32-10 type switch protection Current Transformer; comprise ring-shaped core and insulation crust; described insulation crust is provided with circumferential body; described circumferential body comprises coaxially arranged penetration pipe and the annular housing for taking up described ring-shaped core, is fixedly connected with between the wall of described penetration pipe and the wall of described annular housing by an annular plate radial direction.
Described insulation crust is also provided with hollow insulated column, and one end of described hollow insulated column is connected to outside the wall of described annular housing, described hollow insulated column extending radially outwardly along described annular housing, and communicates with the chamber of described annular housing.
Described insulation crust can be covered with silicon rubber protective layer.
The part that described silicon rubber protective layer is positioned at described hollow insulated column is preferably provided with the multilayer full skirt of the axial arranging along described hollow insulated column.
The material of described insulation crust can be epoxy resin, SMC composite material or DMC composite material.
Fixedly can be embedded aluminium-alloy pipe in described penetration pipe, the outer wall of described aluminium-alloy pipe and the inwall of described penetration pipe fit, the equidistant corresponding end-faces exceeding described penetration pipe of the both ends of the surface of described aluminium-alloy pipe.
For aforementioned LBW32-10 type switch protection Current Transformer described in any one, described insulation crust is preferably interlocked by housing one and housing two and forms, and the two place of being interlocked adopts anaerobic sealer sealing.
Described housing one and housing two are preferably interlocked along the symmetrical plane of the axis perpendicular to described annular housing, and described penetration pipe and annular plate are all positioned on housing one.
Described housing one is provided with indent seam at the opening part of described annular housing, and described housing two is provided with at the opening part of described annular housing the outer male half coupling fastened that to match with described indent seam.
The beneficial effects of the utility model are: the utility model is the current transformer utilizing air insulation principle brand-new design to make, and completely without poured with epoxy resin, make simple, significantly reduce production cost from technological process simplification and material two aspect.Further, owing to adopting unique fastening embedded structure, solve the requirement along face creepage distance well, through experiment, withstand voltage drawn game is put and is also all met relevant criterion requirement.
Accompanying drawing explanation
Fig. 1 is perspective view of the present utility model;
Fig. 2 is sectional structure schematic diagram of the present utility model;
Fig. 3 is the sectional structure schematic diagram of housing one of the present utility model;
Fig. 4 is the sectional structure schematic diagram of housing two of the present utility model.
Embodiment
See Fig. 1, 2, the utility model discloses a kind of LBW32-10 type switch protection Current Transformer, comprise ring-shaped core and insulation crust, described insulation crust is provided with circumferential body, described circumferential body comprises coaxially arranged penetration pipe 1 and the annular housing 2 for taking up described ring-shaped core, be fixedly connected with by annular plate 3 radial direction between the wall of described penetration pipe and the wall of described annular housing, described floor is a thin plate, axially described floor is fixedly connected on the middle part of described penetration pipe, the plate face of described floor is preferably arranged along the plane of the axis perpendicular to described annular housing.Described ring-shaped core and annular housing are annular.The iron core (i.e. line bag 4) having wound secondary winding is just placed in this annular housing, and described penetration pipe is used for wearing primary side wire.When enough good and between penetration pipe and annular housing the radial distance of insulation crust insulation is enough large, the electric discharge phenomena between primary current and secondary winding just can be well solved, and also can meet the requirement along face creepage distance of standard regulation simultaneously.
Described insulation crust is also provided with hollow insulated column 5, one end of described hollow insulated column is connected to outside the wall of described annular housing, described hollow insulated column extending radially outwardly along described annular housing, and communicate with the chamber of described annular housing, described secondary winding is drawn from described hollow insulated column.
Described insulation crust can be covered with silicon rubber protective layer 6.During making, insulation crust is put into silicon rubber mould, then inject fluid silicone rubber and carry out sulfuration, just can be formed on insulation crust surface and there is certain thickness silicon rubber encasing, i.e. silicon rubber protective layer.This silicon rubber protective layer has resisting ultraviolet radiation, the feature such as corrosion-resistant, anti-aging, non-maintaining, effectively can improve the useful life of instrument transformer.
The part that described silicon rubber protective layer is positioned at described hollow insulated column is preferably provided with the multilayer full skirt 7 of the axial arranging along described hollow insulated column.
Described insulation crust employing is cheap, intensity is high, the material of good insulation preformance, can be epoxy resin, SMC composite material or DMC composite material, is preferably DMC composite material, and this material source is extensive, cost is lower.
Aluminium-alloy pipe 8 can be fixedly embedded in described penetration pipe; the outer wall of described aluminium-alloy pipe and the inwall of described penetration pipe fit; the equidistant corresponding end-faces exceeding described penetration pipe of the both ends of the surface of described aluminium-alloy pipe; locating when exceeding part for controlling silicon rubber protective layer thickness, contributing to making silicon rubber protective layer thickness even.
Described insulation crust is preferably interlocked by housing one (see Fig. 3) and housing two (see Fig. 4) and forms, and the two place of being interlocked adopts anaerobic sealer sealing, forms closed described annular housing with this.Described housing one and housing two preferably with the symmetrical plane of the axis perpendicular to described annular housing for interface, the two is interlocked at this interface place, and described penetration pipe and annular plate are all positioned on described housing one.Housing one and each own annular groove 2-1, the 2-2 of housing two, the two coaxially fastens latter two groove and just defines described annular housing.Described housing one is provided with indent seam at the opening part of described annular housing, and described housing two is provided with at the opening part of described annular housing the outer male half coupling fastened that to match with described indent seam.
During assembling, the line bag wound is put into housing one, then on housing one with the mating surface of housing two, the anaerobic sealer with insulation property is coated, then housing two is loaded in housing one, such housing is once having defined a hermetic housing with housing two, so also just solve the electric discharge phenomena between primary current and secondary winding, also meet the requirement along face creepage distance of standard regulation simultaneously.
Described hollow insulated column regulates bend pipe 9 away from being socketed silicon rubber outside one end of annular housing, regulates the other end of bend pipe to be provided with hickey.The socket length of this adjustment bend pipe on hollow insulated column can change within the scope of 50 millimeters, therefore can adapt to the different setting height(from bottom) requirement of different user.
The position that described penetration pipe is connected with annular plate and periphery are as the main exhaust position in silicon rubber protective layer moulding process, and the setting at exhaust position can ensure that silicon rubber protective layer is coated tighter preferably.The outside that described penetration pipe is positioned at the part of described annular plate both sides is respectively adhesively fixed the end cap 10 of a silicon rubber, is mainly used in covering exhaust position, ensures the insulation property at this place further.The center through hole of described end cap and the pore of described aluminium-alloy pipe are positioned at same cylinder, and one end anchor ring of described end cap is against on the described silicon rubber protective layer of described floor both sides.
Current transformer described in the utility model is applicable in the AC electric power systems of rated voltage 10KV, rated frequency 50Hz, is exclusively used in W32-10 type on-pole switch and supports the use, play the protective effect to three-phase current.This instrument transformer is completely without poured with epoxy resin, and make simple, low cost of manufacture, electric property meets " GB1208-2006 ".
Claims (10)
1. a LBW32-10 type switch protection Current Transformer; comprise ring-shaped core and insulation crust; it is characterized in that described insulation crust is provided with circumferential body; described circumferential body comprises coaxially arranged penetration pipe and the annular housing for taking up described ring-shaped core, is fixedly connected with between the wall of described penetration pipe and the wall of described annular housing by an annular plate radial direction.
2. LBW32-10 type switch protection Current Transformer as claimed in claim 1; it is characterized in that described insulation crust is also provided with hollow insulated column; one end of described hollow insulated column is connected to outside the wall of described annular housing; described hollow insulated column extending radially outwardly along described annular housing, and communicate with the chamber of described annular housing.
3. LBW32-10 type switch protection Current Transformer as claimed in claim 2, is characterized in that described insulation crust is covered with silicon rubber protective layer.
4. LBW32-10 type switch protection Current Transformer as claimed in claim 3, is characterized in that part that described silicon rubber protective layer is positioned at described hollow insulated column is provided with the multilayer full skirt of the axial arranging along described hollow insulated column.
5. LBW32-10 type switch protection Current Transformer as claimed in claim 4, is characterized in that the material of described insulation crust is epoxy resin, SMC composite material or DMC composite material.
6. LBW32-10 type switch protection Current Transformer as claimed in claim 5; it is characterized in that fixedly being embedded with aluminium-alloy pipe in described penetration pipe; the outer wall of described aluminium-alloy pipe and the inwall of described penetration pipe fit, the equidistant corresponding end-faces exceeding described penetration pipe of the both ends of the surface of described aluminium-alloy pipe.
7. the LBW32-10 type switch protection Current Transformer as described in claim 1,2,3,4,5 or 6, is characterized in that described insulation crust is interlocked by housing one and housing two and forms, and the two place of being interlocked adopts anaerobic sealer sealing.
8. LBW32-10 type switch protection Current Transformer as claimed in claim 7; it is characterized in that described housing one and housing two are interlocked along the symmetrical plane of the axis perpendicular to described annular housing, described penetration pipe and annular plate are all positioned on housing one.
9. LBW32-10 type switch protection Current Transformer as claimed in claim 8; it is characterized in that described housing one is provided with indent seam at the opening part of described annular housing, described housing two is provided with at the opening part of described annular housing the outer male half coupling fastened that to match with described indent seam.
10. LBW32-10 type switch protection Current Transformer as claimed in claim 9; it is characterized in that the fixed connection place of described annular plate and described penetration pipe is positioned at the axially middle part of described penetration pipe; the outside that described penetration pipe is positioned at the part of described annular plate both sides is respectively adhesively fixed the end cap of a silicon rubber; the center through hole of described end cap and the pore of described aluminium-alloy pipe are positioned at same cylinder, and one end anchor ring of described end cap is against on the described silicon rubber protective layer of described floor both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782207.4U CN204270857U (en) | 2014-12-12 | 2014-12-12 | LBW32-10 type switch protection Current Transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420782207.4U CN204270857U (en) | 2014-12-12 | 2014-12-12 | LBW32-10 type switch protection Current Transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270857U true CN204270857U (en) | 2015-04-15 |
Family
ID=52805710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420782207.4U Expired - Fee Related CN204270857U (en) | 2014-12-12 | 2014-12-12 | LBW32-10 type switch protection Current Transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108475577A (en) * | 2015-12-18 | 2018-08-31 | Abb瑞士股份有限公司 | Current transformer for high voltage gas insulated switchgear substation |
| CN110120296A (en) * | 2019-05-14 | 2019-08-13 | 中建能科技(北京)有限公司 | A kind of Outdoor Current Transformer with semi-conductive silicone rubber pipe |
-
2014
- 2014-12-12 CN CN201420782207.4U patent/CN204270857U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108475577A (en) * | 2015-12-18 | 2018-08-31 | Abb瑞士股份有限公司 | Current transformer for high voltage gas insulated switchgear substation |
| CN110120296A (en) * | 2019-05-14 | 2019-08-13 | 中建能科技(北京)有限公司 | A kind of Outdoor Current Transformer with semi-conductive silicone rubber pipe |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204117812U (en) | A kind of loop construction of open type three-dimensional wound core dry type transformer | |
| CN206727850U (en) | A kind of frock for servo motor stator encapsulating | |
| CN201758317U (en) | Electric machine | |
| CN204270857U (en) | LBW32-10 type switch protection Current Transformer | |
| CN107546018B (en) | Three-phase combined type voltage transformer internal body with primary melting core | |
| CN105321705A (en) | Pouring technology for dry-type transformer coils | |
| CN209357555U (en) | Integration injection silicon rubber composite insulation outdoor voltage transformer | |
| CN105761911B (en) | A kind of epoxy cast transformer and its manufacturing method of compound main airway insulation system | |
| CN201402741Y (en) | Winding, pouring and positioning mould of tridimensional wound core resin insulation dry-type transformer | |
| CN204270856U (en) | LXW32-10 type zero sequence current mutual inductor | |
| CN205401533U (en) | Stator structure and electromagnetic braking ware of stopper | |
| CN112309694A (en) | Transformer and method for manufacturing the same | |
| CN202454437U (en) | Dry type transformer for pouring high-voltage coil and low-voltage coil together | |
| CN202230867U (en) | Dry type phase-shifting rectifier transformer coil casting mold | |
| CN210073597U (en) | Outdoor three-phase integrated current transformer with stress cone and semiconductor tube | |
| CN210349541U (en) | Outdoor current transformer with semi-conductive silicone rubber tube | |
| CN203871158U (en) | SG three-phase dry type transformer | |
| CN202633015U (en) | Epoxy resin poured composite voltage transformer | |
| CN103680906A (en) | Insulation structure of extra-high-voltage open type transformer substation current transformer | |
| CN205050653U (en) | What be fit for that 24kV and following electric pressure use touches arm sleeve pipe | |
| CN204632544U (en) | A kind of dry transformer high-tension coil insulation system | |
| CN206312667U (en) | A kind of hollow combined insulator | |
| CN205666130U (en) | Transformer insulation support | |
| CN205100294U (en) | Prefabricated pump station pit shaft of integrative winding | |
| CN204680530U (en) | Transformer low voltage outlet casing tube |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 065300 Baihe Industrial Zone, Dachang County, Hebei, Langfang Patentee after: HENGYUAN LITONG ELECTRIC FACTORY CO.,LTD. Address before: 065300 Baihe Industrial Zone, Dachang County, Hebei, Langfang Patentee before: KAIYUAN ELECTRIC DACHANG Co.,Ltd. |
|
| 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: 20150415 |