CN201038104Y - Closed insert type high voltage fuse - Google Patents
Closed insert type high voltage fuse Download PDFInfo
- Publication number
- CN201038104Y CN201038104Y CNU2007201159006U CN200720115900U CN201038104Y CN 201038104 Y CN201038104 Y CN 201038104Y CN U2007201159006 U CNU2007201159006 U CN U2007201159006U CN 200720115900 U CN200720115900 U CN 200720115900U CN 201038104 Y CN201038104 Y CN 201038104Y
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- CN
- China
- Prior art keywords
- fixed
- contact
- end cover
- moving contact
- high voltage
- 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 - Lifetime
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Abstract
A closure inserted high-voltage fuse comprises a fixed insulation cylinder(1), an upper static contact(2), a lower static contact(3), a melting tube(4), an upper dynamic contact(5), a lower dynamic contact(6) and a fused mass(7). Two ends of the fixed insulation cylinder(1) are provided with an upper lid(11) and a lower lid(12). The upper static contact(2) is fixed on the upper lid(11). The lower static contact(3) is fixed on the upper lid(11). The upper dynamic contact(5) and the lower dynamic contact(6) are respectively fixed on two ends of the melting tube(4). An arc-cutting device is arranged in the melting tube(4). The arc-cutting device comprises a guiding displaying pod(8), a spring(81) and a soft wire(82). Two ends of the fused mass(7) are respectively connected with the upper dynamic contact(5) and the guiding displaying pod(8). The utility model has the advantages of good exhaustion and explosion prevention performances, good arc cutting ability, simple structure, easy processing, and convenient installation and fixing, strong and durable and so on. With a closure structure, high technique and good protection, the utility model is capable of being used in all kinds of environment and replacing various dropping high-voltage fuse in prior art.
Description
Technical field
The utility model 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.
The utility model content
The purpose of this utility model provides 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 utility model is: 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 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 to be fixed on the goblet of upper end cover upper open end 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 to be separately fixed at the fusion tube two ends and to insert in upper static contact and the interior column of 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 guiding display pole and cover coil spring and the flexible conductor thereon that lower moving contact passes the lower end, the upper and lower side of spring and flexible conductor is separately fixed on guiding display pole upper end and the lower moving contact, melt is positioned at fusion tube, its 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 its 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 utility model 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 the utility model embodiment cutaway view.
Embodiment
As shown in the figure, 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 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 for being fixed on the goblet of upper end cover 11 upper open ends 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 is for being separately fixed at fusion tube 4 two ends and inserting in upper static contact 2 respectively and column that following fixed contact 3 is interior, be provided with in the fusion tube 4 and cut the arc device, cutting the arc device can be made of from guiding display pole 8 and cover coil spring 81 and the flexible conductor 82 thereon that lower moving contact 6 passes the lower end, the upper and lower side of 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, its 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 its 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 and last moving contact 5 and lower moving contact 6 are for being that minor is connected.Last insulating case 14, down insulating case 15 and last vent valve 17 are made by silicon rubber.
The utility model 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) 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 for being fixed on the goblet of upper end cover (11) upper open end 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) also insert in the interior column of upper static contact (2) and following fixed contact (3) respectively for being separately fixed at fusion tube (4) two ends, be provided with in the fusion tube (4) and cut the arc device, cutting the arc device can be made of from guiding display pole (8) and cover coil spring (81) and the flexible conductor (82) thereon that lower moving contact (6) pass the lower end, the upper and lower side of 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), its 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 its 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 (1 8) 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 for being that minor is connected.
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 |
|---|---|---|---|
| CNU2007201159006U CN201038104Y (en) | 2007-04-03 | 2007-04-03 | Closed insert type high voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201159006U CN201038104Y (en) | 2007-04-03 | 2007-04-03 | Closed insert type high voltage fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201038104Y true CN201038104Y (en) | 2008-03-19 |
Family
ID=39210623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201159006U Expired - Lifetime CN201038104Y (en) | 2007-04-03 | 2007-04-03 | Closed insert type high voltage fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201038104Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100470707C (en) * | 2007-04-03 | 2009-03-18 | 赵海洋 | Enclosed plug-type high voltage fuse device |
| CN102243958A (en) * | 2011-05-16 | 2011-11-16 | 曲秀均 | Fully-insulated drop-out type fuse having built-in fusion tube |
| CN104103469A (en) * | 2014-07-03 | 2014-10-15 | 江苏省电力公司洪泽县供电公司 | Single-column all-insulation line connector |
-
2007
- 2007-04-03 CN CNU2007201159006U patent/CN201038104Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100470707C (en) * | 2007-04-03 | 2009-03-18 | 赵海洋 | Enclosed plug-type high voltage fuse device |
| CN102243958A (en) * | 2011-05-16 | 2011-11-16 | 曲秀均 | Fully-insulated drop-out type fuse having built-in fusion tube |
| CN104103469A (en) * | 2014-07-03 | 2014-10-15 | 江苏省电力公司洪泽县供电公司 | Single-column all-insulation line connector |
| CN104103469B (en) * | 2014-07-03 | 2016-03-30 | 江苏省电力公司洪泽县供电公司 | A kind of single-column all insulation crane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070403 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |