CN100470707C - Enclosed plug-type high voltage fuse device - Google Patents
Enclosed plug-type high voltage fuse device Download PDFInfo
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- CN100470707C CN100470707C CNB2007100719984A CN200710071998A CN100470707C CN 100470707 C CN100470707 C CN 100470707C CN B2007100719984 A CNB2007100719984 A CN B2007100719984A CN 200710071998 A CN200710071998 A CN 200710071998A CN 100470707 C CN100470707 C CN 100470707C
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- fixed
- contact
- end cover
- moving contact
- high voltage
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Abstract
The invention is a closed insert high voltage fuse, comprising: fixed insulating cylinder, upper static contact, lower static contact, fusion tube, upper dynamic contact, lower dynamic contact and melt, where the two ends of the fixed insulating cylinder are equipped with upper end cover and lower end cover, respectively, the upper static contact is fixed with the upper end cover, the lower static contact is fixed with the lower end cover, the upper and lower dynamic contacts are respectively fixed at the two ends of the fusion tube, the inside of the fusion tube is equipped with an arc chamfering device composed of guiding display rod, spring and soft lead wire, the two ends of the melt are connected with the upper and lower dynamic contacts, respectively. And it has advantages of good exhaust and explosion-proof performance, strong arc chamfering ability, high technicality, good protectiveness, applicable to various environments, and able to replace various current dropout high voltage fuses.
Description
Technical field
The present invention relates to high-tension fuse.
Background technology
What high-voltage explosion fuse was mainly used in electric power system suits lock, short circuit and overload protection; the fusion tube of high-voltage explosion fuse commonly used is positioned at exterior insulator; the sound contact is exposed in the air up and down; it is rainproof, dustproof, antifouling, anticorrosion and explosion-proof is all bad; there is the failure rate height; be not easy to maintenance; pulling load speed is slow; cut a little less than the arc ability, cut-off fault and the short circuit current ability is low, inconvenient and dangerous during operation; easily produce arc light; shortcomings such as little electric current fuse can't be installed, and it is big to change the fuse expense, and useful life is short.The inventor has applied for that in 9 years the patent No. is 92232692.4 and is called the utility model patent that inserts the switching regulator high-tension fuse, it adopts fusion tube to be positioned at the enclosed construction of insulator, its protective is good, overcome the above-mentioned part shortcoming of high-voltage explosion fuse, but because this technology was in initial stage at that time, also there are a lot of shortcoming and defect in it: as exhaust apparatus is not set, explosion-proof is poor, and its insulator is frangible, not sturdy and durable, conducting rod is that on-fixed is connected with following moving contact, easily produces arc, the failure rate height, also there is unreasonable structure in it, be not easy to processing and fabricating, install and fix inconvenience, shortcoming such as useful life is short.
Summary of the invention
The objective of the invention is: provide that a kind of explosion-proof is good, sturdy and durable, failure rate is low, rational in infrastructure, be convenient to process manufacture, install and fix conveniently, the enclosed plug-type high voltage fuse device of long service life.
Technical solution of the present invention is: enclosed plug-type high voltage fuse device, it comprises the fixed insulation tube, upper static contact, following fixed contact, fusion tube, last moving contact, lower moving contact and melt, the fixed insulation tube is respectively equipped with the cylindrical body of upper end cover and bottom end cover for two ends, its middle part is with fixed cover, be with the last insulating case of band full skirt and the following insulating case of band full skirt between fixed cover and upper end cover and the bottom end cover respectively, upper static contact and following fixed contact lay respectively in the fixed insulation tube, upper static contact is a goblet, upper static contact be fixed on the upper end cover and openend towards bottom end cover, following fixed contact is that an end is fixed on the other end on the bottom end cover towards upper end cover and the cylindrical body that is interlinked to the outside with the fixed insulation tube, fusion tube is the tubular body that is positioned at the fixed insulation tube, last moving contact and lower moving contact are respectively column, last moving contact and lower moving contact are separately fixed at the fusion tube two ends and also insert in upper static contact and the following fixed contact respectively, be provided with in the fusion tube and cut the arc device, cutting the arc device can be made of from lower moving contact the guiding display pole that passes and the coil spring and the flexible conductor that are placed on the guiding display pole the lower end, the upper and lower side of coil spring and flexible conductor is separately fixed on guiding display pole upper end and the lower moving contact, melt is positioned at fusion tube, the melt two ends link to each other with the guiding display pole with last moving contact respectively, melt place fusion tube is provided with the steam vent with the fusion tube exterior, upper end cover is provided with upper air-vent, and the upper air-vent outlet is provided with vent valve.
Technique effect of the present invention is: it has venting quality and explosion-proof is good, cut that the arc ability is strong, simple in structure is convenient to that processing is manufactured, installed and fixed conveniently, robust advantage, it adopts enclosed construction, technical height, protective is good, can be applicable to various environment, can replace existing various high-voltage explosion fuses.
Description of drawings
Accompanying drawing is an embodiment of the invention cutaway view.
Embodiment
As shown in the figure, enclosed plug-type high voltage fuse device, it comprises fixed insulation tube 1, upper static contact 2, following fixed contact 3, fusion tube 4, last moving contact 5, lower moving contact 6 and melt 7, fixed insulation tube 1 is respectively equipped with the cylindrical body of upper end cover 11 and bottom end cover 12 for two ends, its middle part is with fixed cover 13, be with the last insulating case 14 of band full skirt and the following insulating case 15 of band full skirt between fixed cover 13 and upper end cover 11 and the bottom end cover 12 respectively, upper static contact 2 and following fixed contact 3 lay respectively in the fixed insulation tube 1, upper static contact 2 is a goblet, upper static contact 2 be fixed on the upper end cover 11 and openend towards bottom end cover 12, following fixed contact 3 is that an end is fixed on the other end on the bottom end cover 12 towards upper end cover 11 and the cylindrical body that is interlinked to the outside with fixed insulation tube 1, fusion tube 4 is for being positioned at the tubular body of fixed insulation tube 1, last moving contact 5 and lower moving contact 6 are respectively column, last moving contact 5 and lower moving contact 6 are separately fixed at fusion tube 4 two ends and insert in respectively in upper static contact 2 and the following fixed contact 3, be provided with in the fusion tube 4 and cut the arc device, cutting the arc device can be made of from lower moving contact 6 the guiding display pole 8 that passes and the coil spring 81 and the flexible conductor 82 that are placed on the guiding display pole 8 lower end, the upper and lower side of coil spring 81 and flexible conductor 82 is separately fixed on guiding display pole 8 upper ends and the lower moving contact 6, melt 7 is positioned at fusion tube 4, melt 7 two ends link to each other with guiding display pole 8 with last moving contact 5 respectively, melt 7 place's fusion tubes 4 are provided with the steam vent 41 with fusion tube 4 exterior, upper end cover 11 is provided with upper air-vent 16, and upper air-vent 16 outlets are provided with vent valve 17.
Upper static contact 2 and last vent valve 17 are fixed on the upper end cover 11 by conducting rod 18 and nut 19.Following fixed contact 3 is fixed on the bottom end cover 12 by fixed flange 10 and bolt 20.Lower moving contact 6 is provided with down steam vent 61, is fixed with the drawing part 62 that is placed on the guiding display pole 8 on the lower moving contact 6.Fixed insulation tube 1 is made of vulcan fibre inwall 101 and fiberglass outer wall 102.Fusion tube 4 is made of vulcan fibre inwall 42 and fiberglass outer wall 43.Upper static contact 2 and following fixed contact 3 are socket connection with last moving contact 5 and lower moving contact 6.Last insulating case 14, down insulating case 15 and last vent valve 17 are made by silicon rubber.
The present invention uses the drawing of special-purpose drawing device, and its pulling load speed is fast, improves more than the twice than manual pulling load speed.
Claims (8)
1, enclosed plug-type high voltage fuse device, it comprises fixed insulation tube (1), upper static contact (2), following fixed contact (3), fusion tube (4), last moving contact (5), lower moving contact (6) and melt (7), it is characterized in that: fixed insulation tube (1) is respectively equipped with the cylindrical body of upper end cover (11) and bottom end cover (12) for two ends, its middle part is with fixed cover (13), be with the last insulating case (14) of band full skirt and the following insulating case (15) of band full skirt between fixed cover (13) and upper end cover (11) and the bottom end cover (12) respectively, upper static contact (2) and following fixed contact (3) lay respectively in the fixed insulation tube (1), upper static contact (2) is a goblet, upper static contact (2) be fixed on that upper end cover (11) is gone up and openend towards bottom end cover (12), following fixed contact (3) is that an end is fixed on bottom end cover (12) and goes up the other end towards upper end cover (11) and the cylindrical body that is interlinked to the outside with fixed insulation tube (1), fusion tube (4) is for being positioned at the tubular body of fixed insulation tube (1), last moving contact (5) and lower moving contact (6) are respectively column, last moving contact (5) and lower moving contact (6) are separately fixed at fusion tube (4) two ends and insert in respectively in upper static contact (2) and the following fixed contact (3), be provided with in the fusion tube (4) and cut the arc device, cut the guiding display pole (8) that the arc device can pass from lower moving contact (6) by the lower end and be placed in coil spring (81) and flexible conductor (82) formation on the guiding display pole (8), the upper and lower side of coil spring (81) and flexible conductor (82) is separately fixed on guiding display pole (8) upper end and the lower moving contact (6), melt (7) is positioned at fusion tube (4), melt (7) two ends link to each other with guiding display pole (8) with last moving contact (5) respectively, melt (7) is located fusion tube (4) and is provided with steam vent (41) with fusion tube (4) exterior, upper end cover (11) is provided with upper air-vent (16), and upper air-vent (16) outlet is provided with vent valve (17).
2, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described upper static contact (2) and last vent valve (17) are fixed on the upper end cover (11) by conducting rod (18) and nut (19).
3, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described fixed contact (3) down is fixed on the bottom end cover (12) by fixed flange (10) and bolt (20).
4, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described lower moving contact (6) is provided with down steam vent (61), is fixed with the drawing part (62) that is placed on the guiding display pole (8) on the lower moving contact (6).
5, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described fixed insulation tube (1) is made of vulcan fibre inwall (101) and fiberglass outer wall (102).
6, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described fusion tube (4) is made of vulcan fibre inwall (42) and fiberglass outer wall (43).
7, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described upper static contact (2) and following fixed contact (3) and last moving contact (5) and lower moving contact (6) are socket connection.
8, enclosed plug-type high voltage fuse device as claimed in claim 1 is characterized in that described last insulating case (14), descends insulating case (15) and last vent valve (17) to be made by silicon rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100719984A CN100470707C (en) | 2007-04-03 | 2007-04-03 | Enclosed plug-type high voltage fuse device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100719984A CN100470707C (en) | 2007-04-03 | 2007-04-03 | Enclosed plug-type high voltage fuse device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101071703A CN101071703A (en) | 2007-11-14 |
| CN100470707C true CN100470707C (en) | 2009-03-18 |
Family
ID=38898825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100719984A Expired - Fee Related CN100470707C (en) | 2007-04-03 | 2007-04-03 | Enclosed plug-type high voltage fuse device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100470707C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102509677B (en) * | 2011-11-08 | 2014-03-12 | 武汉雷泰电力新技术有限公司 | All-insulated outdoor ejection type fuse |
| CN103985618A (en) * | 2014-05-13 | 2014-08-13 | 国家电网公司 | Anti-electric-discharging silicone fuse protector |
| CN108711544A (en) * | 2018-05-31 | 2018-10-26 | 西安固之电气科技有限公司 | A kind of protected cut-out |
| CN113327805B (en) * | 2021-06-07 | 2024-03-26 | 陈石川 | Enclosed switch and working method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132284Y (en) * | 1992-09-05 | 1993-05-05 | 赵金明 | Insert switch type high voltage fuse |
| CN2409607Y (en) * | 2000-02-29 | 2000-12-06 | 昆明隆源达电力设备有限责任公司 | Altitude dew-resisting dirt-resisting high-voltage fuse |
| CN201038104Y (en) * | 2007-04-03 | 2008-03-19 | 赵海洋 | Closed insert type high voltage fuse |
-
2007
- 2007-04-03 CN CNB2007100719984A patent/CN100470707C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132284Y (en) * | 1992-09-05 | 1993-05-05 | 赵金明 | Insert switch type high voltage fuse |
| CN2409607Y (en) * | 2000-02-29 | 2000-12-06 | 昆明隆源达电力设备有限责任公司 | Altitude dew-resisting dirt-resisting high-voltage fuse |
| CN201038104Y (en) * | 2007-04-03 | 2008-03-19 | 赵海洋 | Closed insert type high voltage fuse |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101071703A (en) | 2007-11-14 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20120403 |