CN101667720A - Insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet - Google Patents
Insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet Download PDFInfo
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- CN101667720A CN101667720A CN200810013114A CN200810013114A CN101667720A CN 101667720 A CN101667720 A CN 101667720A CN 200810013114 A CN200810013114 A CN 200810013114A CN 200810013114 A CN200810013114 A CN 200810013114A CN 101667720 A CN101667720 A CN 101667720A
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- insulating sleeve
- switch cabinet
- sulfur hexafluoride
- hexafluoride gas
- gas insulation
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Abstract
The invention relates to an insulating sleeve of a high-voltage fuse for a sulfur hexafluoride gas insulation switch cabinet, which comprises an insulator, cable accessories, an embedded screw sleeve,an initial terminal and a terminated terminal; the insulator, the embedded screw sleeve, the initial terminal and the terminated terminal are subjected to vacuum pouring of epoxy resin and then curedinto a whole; the outside of the integral structure has a cylindrical shape of which one end is a cone frustum, and an inner cavity has a shape that a cylinder and a cone frustum are transient; the initial terminal is provided with two screw contacts in a conical lug boss shape, which are formed by an insert with two screws up and down; and a middle part of the insert in the inner cavity is electrically and mechanically connected with a spring; the embedded screw sleeve is positioned at an end part of the cylinder of the inner cavity, and is electrically and mechanically connected with an insert of the terminated terminal; the outside of the terminated terminal has a conical boss shape; and the cable accessories have a cone frustum shape of which the bottom is provided with a circular flange, and the periphery of the circular flange is provided with mounting holes. The insulating sleeve has stable insulation, reliable seal, safe operation, flexible installation, small volume and wideapplication.
Description
Technical field
The present invention relates to electric power system High-Voltage Insulation equipment, specifically a kind of sulfur hexafluoride gas-insulating high-tension switch cabinet insulating sleeve of high-voltage fuse.
Background technology
Insulating sleeve of high-voltage fuse is the main insulating part in the sulfur hexafluoride gas insulation switch cabinet; also be to realize that high-tension fuse and mainly being of switch cabinet inner high voltage voltage transformer overcurrent protection connect element; sulfur hexafluoride gas insulation switch cabinet is because the designing requirement volume is little at present; thereby there are not enough spaces and reliable method to place high-tension fuse in the inflation cabinet; realization is to the effective overcurrent protection of high voltage potential transformer; promptly lack necessary electic protection element; in case the overcurrent phenomenon occurs owing to reasons such as system and equipment fault make winding of high voltage potential transformer; to occur winding of instrument transformer inevitably and burn phenomenon; to make the whole sulfur hexafluoride gas insulation switch cabinet phenomenon of blasting when serious; cause power outage, jeopardize personal device security.In order further to improve sulfur hexafluoride gas insulation switch cabinet structure and electrical design; need design a kind of insulating sleeve of high-voltage fuse of special use especially; thereby realize inner high voltage potential transformer is carried out effective overcurrent protection, avoid occurring accidents such as serious power failure, device damage
Summary of the invention
In order to solve in the prior art no high-tension fuse protective device in the sulfur hexafluoride gas-insulating high-tension switch cabinet and not have insulating space that the problem of high-tension fuse protective device is set, the technical problem to be solved in the present invention provide a kind of insulate stable, sealing is reliable, volume is little, flexible for installation, be widely used, the insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of handling safety.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of the present invention, comprise insulator, electric cable accessories, setting-in swivel nut, beginning terminals and last terminals, above-mentioned insulator and setting-in swivel nut, beginning terminals and last terminals adopt the epoxide resin vacuum cast cured explosive to be integral, the overall structure outside is the column type shape that an end is the frustum of a cone, and inner die cavity is cylinder and the frustum of a cone shape of transition mutually.
The inserts of two screws constitutes two screw contacts that are shaped as conical boss to described beginning terminals by having up and down, and the inserts middle part forms electric and mechanical connection with spring in inner die cavity; The setting-in swivel nut
Be positioned at the inner chamber cylinder end, form electric and mechanical connection with the inserts of last terminals by lead, last terminals outside is conical boss shape; Electric cable accessories is the truncated cone shape that circular flange is arranged at the bottom, and the circular flange periphery is provided with installing hole; Its end periphery is distributed with installs inserts and seal groove.
The present invention has following beneficial effect and advantage:
1. insulation is stable, sealing is reliable.It is that insulating material is installed in the reliable insulating case fuse that the present invention adopts epoxy resin; Installation nut bottom adopting and auxiliary seal ring and casing fixing seal guarantee that whole air chamber has tight gas tightness; High-tension fuse insulated enclosure end adopts the electric cable accessories (silently) of terminal cable technology to connect, and insulated enclosure is more reliable, phenomenons such as discharge, flashover can not occur;
2. handling safety, flexible for installation.The present invention is rational in infrastructure, guarantee that the first and last end can be installed wiring with main bus bar and high-voltage mutual inductor high-pressure side respectively flexibly under effective insulation distance; The spring assembly of beginning terminal design is after turning on electric cable accessories, and fuse can eject inner chamber automatically, is convenient for changing, checks, handling safety.
Volume little, be widely used.Volume of the present invention is little, in light weight, can directly be installed in the gas-filled type high-tension switch cabinet, saved the gas-filled type switch cubicle and do not had the worry in space for settling high-tension fuse, effectively save high-tension switch cabinet space and material cost, realized that high-tension switch cabinet is to integration, miniaturization development, applicable all model gas-filled type high-tension switch cabinets.
Description of drawings
Fig. 1 is an external structure view of the present invention;
Fig. 2 is an internal structure view of the present invention;
Fig. 3 is an end view of the present invention.
Embodiment
Shown in Fig. 1～3, a kind of insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of the present invention, comprise insulator 1, electric cable accessories (silently) 2, setting-in swivel nut 3, clamping screw 4, beginning terminals 6 and last terminals 7, adopt the epoxide resin vacuum cast cured explosive to form integral structure, the overall structure outside is the column type shape that an end is the frustum of a cone, inner die cavity is cylinder and the frustum of a cone shape of transition mutually, the inner cylinder cavity is the insulation lay down location as high-tension fuse, the one end forms with the beginning terminals 6 that are enclosed in the insulating case end admittedly by spring and is electrically connected, beginning terminals 6 are for having the inserts of two screws up and down, its outside is the conical boss form, being connected of convenient and reliable and high-pressure conductor, thus the electric terminal that the insulating sleeve of high-voltage fuse device links to each other with air chamber inner high voltage conductor formed; It is fixing that the fuse other end adopts clamping screw 4 to cooperate with setting-in swivel nut 3 to tighten, and form by setting-in swivel nut 3 and lead and last terminals 7 inserts and to be electrically connected, thereby form the electric terminal that the insulating sleeve of high-voltage fuse device links to each other with high-voltage mutual inductor, last terminals 7 are reliable being connected of conical boss form convenience with a terminal of high-voltage mutual inductor; The inner chamber position of inner circular taper type is the fitted seal position with terminal cable annex (silently) 2, cooperate the assembling back to realize high-pressure installations such as inner high-tension fuse are carried out insulated enclosure with insulating case by the equally distributed bolt of its flange periphery, the handling safety of assurance equipment also is operation in the actual use, the attendant is convenient for changing, the designated lane of examination and repair for high-pressure fuse; The end of insulating sleeve of high-voltage fuse is to install and fix with the air chamber casing and the position of air seal, for guaranteeing the reliable of sealing, its end periphery is evenly distributed with installs inserts 9, be provided with indent formula seal groove 8 along the ring outer ledge that inserts 9 formation are installed, be formed with the side cut round structure, seal groove 8 cross-sectional cross sectional shapes are round rectangle or semi-circular, make inflation cabinet integral body have reliable sealing performance after assurance effectively closely cooperates with the box sealing circle, avoid occurring the inflation cabinet and leak air and decreasing insulating.
Claims (5)
1. insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet, comprise insulator (1), electric cable accessories (2), setting-in swivel nut (3), beginning terminals (6) and last terminals (7), it is characterized in that: above-mentioned insulator (1) adopts the epoxide resin vacuum cast cured explosive to be integral with setting-in swivel nut (3), beginning terminals (6) and last terminals (7), the overall structure outside is the column type shape that an end is the frustum of a cone, and inner die cavity is cylinder and the frustum of a cone shape of transition mutually.
2. by the described insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of claim 1, it is characterized in that: the inserts of two screws constitutes two screw contacts that are shaped as conical boss to beginning terminals (6) by having up and down, and the inserts middle part forms electric and mechanical connection with spring in inner die cavity.
3. by the described insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of claim 1, it is characterized in that: setting-in swivel nut (3) is positioned at the inner chamber cylinder end, form electric and mechanical connection with the inserts of last terminals (7) by lead, last terminals (7) outside is the conical boss form.
4. by the described insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of claim 1, it is characterized in that: electric cable accessories (2) has the truncated cone shape of circular flange for the bottom, and the circular flange periphery is provided with installing hole.
5. by the described insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet of claim 1, it is characterized in that: its end periphery is distributed with installs inserts (9) and seal groove (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810013114A CN101667720A (en) | 2008-09-05 | 2008-09-05 | Insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810013114A CN101667720A (en) | 2008-09-05 | 2008-09-05 | Insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101667720A true CN101667720A (en) | 2010-03-10 |
Family
ID=41804208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810013114A Pending CN101667720A (en) | 2008-09-05 | 2008-09-05 | Insulating sleeve of high-voltage fuse for sulfur hexafluoride gas insulation switch cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN101667720A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157314A (en) * | 2011-03-15 | 2011-08-17 | 广东阿尔派电力科技股份有限公司 | High-voltage fuse and installation barrel structure thereof |
| CN102496880A (en) * | 2011-11-30 | 2012-06-13 | 汕头市兆华电业有限公司 | Fuse insulating cylinder of sulfur hexafluoride switch cabinet |
| CN104051134A (en) * | 2014-06-19 | 2014-09-17 | 国家电网公司 | Transformer outgoing line device |
| CN104160458A (en) * | 2012-01-09 | 2014-11-19 | 阿尔斯通技术有限公司 | Plug and socket pure gas insulated wall bushing for hvdc and uhv |
| CN106683862A (en) * | 2017-01-23 | 2017-05-17 | 浙江天际互感器有限公司 | Voltage transformer with elbow plug |
| CN107146702A (en) * | 2017-07-05 | 2017-09-08 | 河南森源电气股份有限公司 | Voltage transformer and its spring and inserts attachment structure |
| CN109755080A (en) * | 2019-03-01 | 2019-05-14 | 大连北方互感器集团有限公司 | A kind of voltage transformer secondary fuse protective device and preparation method thereof |
-
2008
- 2008-09-05 CN CN200810013114A patent/CN101667720A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102157314A (en) * | 2011-03-15 | 2011-08-17 | 广东阿尔派电力科技股份有限公司 | High-voltage fuse and installation barrel structure thereof |
| CN102157314B (en) * | 2011-03-15 | 2014-02-12 | 广东阿尔派电力科技股份有限公司 | High-voltage fuse and installation barrel structure thereof |
| CN102496880A (en) * | 2011-11-30 | 2012-06-13 | 汕头市兆华电业有限公司 | Fuse insulating cylinder of sulfur hexafluoride switch cabinet |
| CN104160458A (en) * | 2012-01-09 | 2014-11-19 | 阿尔斯通技术有限公司 | Plug and socket pure gas insulated wall bushing for hvdc and uhv |
| CN104160458B (en) * | 2012-01-09 | 2017-08-15 | 通用电气技术有限公司 | For high voltage direct current and the pure gas of the plugs and sockets formula of super-pressure insulation wall bushing |
| CN104051134A (en) * | 2014-06-19 | 2014-09-17 | 国家电网公司 | Transformer outgoing line device |
| CN106683862A (en) * | 2017-01-23 | 2017-05-17 | 浙江天际互感器有限公司 | Voltage transformer with elbow plug |
| CN107146702A (en) * | 2017-07-05 | 2017-09-08 | 河南森源电气股份有限公司 | Voltage transformer and its spring and inserts attachment structure |
| CN109755080A (en) * | 2019-03-01 | 2019-05-14 | 大连北方互感器集团有限公司 | A kind of voltage transformer secondary fuse protective device and preparation method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20100310 |