CN102243958A - Fully-insulated drop-out type fuse having built-in fusion tube - Google Patents
Fully-insulated drop-out type fuse having built-in fusion tube Download PDFInfo
- Publication number
- CN102243958A CN102243958A CN2011101248509A CN201110124850A CN102243958A CN 102243958 A CN102243958 A CN 102243958A CN 2011101248509 A CN2011101248509 A CN 2011101248509A CN 201110124850 A CN201110124850 A CN 201110124850A CN 102243958 A CN102243958 A CN 102243958A
- Authority
- CN
- China
- Prior art keywords
- moving contact
- fuse
- fusion tube
- tube
- contact
- 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.)
- Pending
Links
Images
Landscapes
- Fuses (AREA)
Abstract
The invention relates to a drop-out type fuse, especially to an outdoor drop-out type fuse having a built-in fusion tube. A lower moving contact (22) is fixedly installed at a lower end of an insulating tube (23) of a fusion tube; an upper moving contact (21) is fixed at an upper end of the insulating tube (23) by axial sliding; an arc pressure spring (3) is arranged between the upper moving contact (21) and the insulating tube (23) and is put on the upper moving contact (21), wherein two ends of the arc pressure spring are respectively pressed axially on the upper moving contact (21) and the insulating tube (23). A fuse wire (24) of the fusion tube (2) passes through the insulating tube (23); and two ends of the fuse wire are respectively connected to the upper moving contact (21) and the lower moving contact (22) and the fuse wire is tightened, so that the arc pressure spring (3) with compression and energy storage can lock the fusion tube (2); after the fuse wire (24) is fused, the tangential arc is sprung open by the arc pressure spring (3). The drop-out type fuse provided in the invention is not easy to generate arc; besides, the fuse has advantages of good tangential arc capability, good explosion-proof performance and good sturdy and durable property. According to the invention, a fully-insulated structure with an enclosed top is employed, so that the drop-out type fuse can be applied to various environments and has a long service life; therefore, the drop-out type fuse provided in the invention can substitute for present various high-voltage fuses of drop-out type.
Description
Technical field
The present invention relates to drop out fuse, the built-in outdoor drop-out fuse of particularly a kind of fusion tube.。
Background technology
High-voltage explosion fuse claims drop switch again; what it 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 all 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 operation, dangerous; easily produce arc light, shortcoming such as useful life is short.The inventor applied for that a key name was called: the outdoor high-voltage alternating current fuse of the built-in band earthed switch of fusion tube, the patent No. are 200720117245.8 patent of invention, and its fusion tube is built-in, have solved the part shortcoming of common high-voltage explosion fuse.Shortcomings such as but there is easily product arc in this fuse switch, and venting quality is bad, cuts the arc ability, and explosion-proof is poor, and is not sturdy and durable, result of use is good inadequately.
Summary of the invention
The purpose of this invention is to provide a kind of difficult product arc, venting quality good, cut that the arc ability is strong, explosion-proof good, the built-in drop out fuse of robust all insulation fusion tube.
Technical solution of the present invention is: it comprises barrel-type casing and fusion tube, fusion tube is plugged in the housing, the last moving contact at fusion tube two ends and lower moving contact are plugged on respectively on the upper static contact and following fixed contact of enclosure interior, lower moving contact is fixedly mounted on the lower end of the insulated tube of fusion tube, last moving contact endwisely slips and is installed in the upper end of insulated tube, be provided with between last moving contact and the insulated tube and be enclosed within on the moving contact, two ends axially are pressed in the arcing stage clip on moving contact and the insulated tube respectively, the fuse of fusion tube passes insulated tube, two ends are connected on moving contact and the lower moving contact and tension, make arcing stage clip compressed energy-storage locking fusion tube, fuse failure post-tensioning arc voltage spring flicks arcing.
Technique effect of the present invention is: it has be difficult for to produce arc, cuts that the arc ability is good, good, the robust advantage of explosion-proof, it adopts top closure formula all insulation structure, can be applicable to various environment, longer service life can replace existing various high-voltage explosion fuses.
The present invention is the outdoor electric line of 10KV three-phase alternating current 50HZ and the protection of transformation.Be applicable to that mainly electric industry system controller switching equipment once protects the protection of electric substation of industrial and mining enterprises house lead in.
It has six anti-functions of vertically antitheft, antifouling, anti-rainwater, anti-dust storm, acid, alkali, and its anti-theft switch pull bar operation key by special use can prevent that the low-voltage circuit of transformer from losing.
Fuse and arcing stage clip are in the lock state fusion tube during operate as normal of the present invention, when fuse failure, produce electric arc in the fusion tube, the arc extinguishing insulated tube of vulcanized fiber tube material produces a large amount of gases under the high temperature action of electric arc, fusion tube flicks arcing with fusion tube rapidly under the effect of arcing stage clip simultaneously, make arc extinction, arc-extinguish chamber is equipped with in the bottom of this fuse, can deciliter rated load electric current plays the effect of on-load switch.
Description of drawings
Accompanying drawing is an embodiment of the invention half sectional view.
Embodiment
As shown in the figure, it comprises barrel-type casing 1 and fusion tube 2, fusion tube 2 is plugged in the housing 1, the last moving contact 21 at fusion tube 2 two ends and lower moving contact 22 are plugged on respectively on the upper static contact 11 and following fixed contact 12 of housing 1 inside, lower moving contact 22 is fixedly mounted on the lower end of the insulated tube 23 of fusion tube, last moving contact 21 endwisely slips and is installed in the upper end of insulated tube 23, be provided with between last moving contact 21 and the insulated tube 23 and be enclosed within on the moving contact 21, two ends axially are pressed in the arcing stage clip 3 on moving contact 21 and the insulated tube 23 respectively, the fuse 24 of fusion tube 2 passes insulated tube 23, two ends are connected on moving contact 21 and the lower moving contact 22 and tension, make arcing stage clip 3 compressed energy-storages locking fusion tube 2, fuse 24 fusing post-tensioning arc voltage springs 3 flick arcing.
Housing 1 is by the following insulating case 16 of the last insulating case 15 of insulation inner core 13, band full skirt 14, band full skirt 14 and install and fix cover and 17 constitute, and last insulating case 15 and following insulating case 16 be set on the epimere and hypomere of the inner core 13 that insulate, install and fix and overlap 17 and be sleeved between last insulating case 15 and the following insulating case 16 on the inner core 13 that insulate.Install and fix on the cover 17 and mounting panel 4 is installed by anchor ear.The upper end of housing 1 is provided with by anchor ear and is sleeved on insulating case 15 upper ends, is used to prevent that sleet from entering the last helmet 5 of housing.Upper static contact 11 is by radially passing upper static contact 11, insulation inner core 13 successively, going up insulating case 15 and the power line binding post 6 of last helmet 5 anchor ears and the upper end that nut is installed in housing 1 inside.The lower end of housing 1 is provided with the arc-extinguish chamber 7 that is sleeved on down insulating case 16 lower ends by anchor ear.Following fixed contact 12 is by radially passing down fixed contact 12, insulation inner core 13, following insulating case 16 and the load line binding post 8 of arc-extinguish chamber 7 anchor ears and the lower end that nut is installed in housing 1 inside.Upper static contact 11 is a cylindrical body, and the lower semisection of upper static contact 11 is the last moving contact elasticity holding claw 18 of distinguish, and the periphery of the last moving contact elasticity holding claw 18 of upper static contact 11 is set with the extension spring 9 of twice annular.Following fixed contact 12 is a cylindrical body, the upper semisection of following fixed contact 12 is the lower moving contact elasticity holding claw 19 of distinguish, the periphery of the lower moving contact elasticity holding claw 19 of following fixed contact 12 is set with the extension spring 9 of twice annulars, following fixed contact 12 inwalls of lower moving contact elasticity holding claw 19 belows be provided with lower moving contact 22 on the slideway 20 that is slidingly matched of sliding pin.Fuse 24 fusing back the sliding pin on the lower moving contact 22 under the effect of arcing stage clip 3 along under slideway 20 on fixed contact 12 inwalls axially after one section of lower slider, can axially be stuck and prevent that fusion tube 2 from continuing to glide automatically, artificially circumferentially rotating fusion tube 2 back fusion tubes 2 by insulated tension pole and can be left behind.
Last moving contact 21 is provided with the cylindrical body that fuse cap is installed screw thread for the upper end, the upper end of last moving contact 21 is equipped with the fixedly fuse cap 25 of fuse 24 by screw thread, last moving contact 21 is slidingly mounted on the insulated tube 23 by the fusion tube rivet 26 on the insulated tube 23 that radially is installed in fusion tube 2, be axially arranged with rivet chute 27 on the outer wall that last moving contact 21 and insulated tube 23 are slidingly matched, lower moving contact 21 is for axially having the cylindrical body of exhaust passage, radially be fixed with on the lower moving contact 22 of fusion tube 2 with following fixed contact 12 on the sliding pin 28 that is slidingly matched of slideway 20, the lower end of lower moving contact 22 radially is fixed with the key cylinder 29 that the use pull bar reverses fusion tube 2 under the fusion tube post-tensioning.Be provided with in the fusion tube 2 and be enclosed within fuse 24 outsides, the upper end is fixed on the arc extinguishing insulated tube 30 that moving contact 21 upper and lower parts are positioned at insulated tube 23.The lower end of fuse 24 is fixedly connected on the lower moving contact 22 by the fuse binding post 221 that radially is installed on the lower moving contact 22, the upper end of fuse 24 is fixed with cartridge fuse-link 241, and cartridge fuse-link 241 is connected on the moving contact 21 by the fuse cap 25 that screw thread is installed on the moving contact 2.
Claims (10)
1. the built-in drop out fuse of all insulation fusion tube, it comprises barrel-type casing (1) and fusion tube (2), fusion tube (2) is plugged in the housing (1), the last moving contact (21) at fusion tube (2) two ends and lower moving contact (22) are plugged on respectively on housing (1) the inner upper static contact (11) and following fixed contact (12), it is characterized in that: lower moving contact (22) is fixedly mounted on the lower end of the insulated tube (23) of fusion tube (2), last moving contact (21) endwisely slips and is installed in the upper end of insulated tube (23), be provided with between last moving contact (21) and the insulated tube (23) and be enclosed within on the moving contact (21), two ends axially are pressed in the arcing stage clip (3) on moving contact (21) and the insulated tube (23) respectively, the fuse (24) of fusion tube (2) passes insulated tube (23), two ends are connected to moving contact (21) and lower moving contact (22) and tension, make arcing stage clip (3) compressed energy-storage locking fusion tube (2), fuse (24) fusing post-tensioning arc voltage spring (3) flicks arcing.
2. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1, it is characterized in that described housing (1) by the following insulating case (16) of the last insulating case (15) of insulation inner core (13), band full skirt (14), band full skirt (14) with install and fix cover (17) formation, last insulating case (15) and following insulating case (16) be set on the epimere and hypomere of the inner core (13) that insulate, install and fix cover (17) is positioned at and is sleeved between insulating case (15) and the following insulating case (16) on the inner core (13) that insulate.
3. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1, the upper end that it is characterized in that described housing (1) are provided with by anchor ear and are sleeved on insulating case (15) upper end, are used to prevent that sleet from entering the last helmet (5) of housing.
4. the built-in drop out fuse of all insulation fusion tube as claimed in claim 3 is characterized in that described upper static contact (11) is installed in the inner upper end of housing (1) by radially passing upper static contact (11), insulation inner core (13), the power line binding post (6) of going up insulating case (15) and last helmet (5) anchor ear and nut successively.
5. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1 is characterized in that the lower end of described housing (1) is provided with the arc-extinguish chamber (7) that is sleeved on down insulating case (16) lower end by anchor ear.
6. the built-in drop out fuse of all insulation fusion tube as claimed in claim 5 is characterized in that described fixed contact (12) down is installed in the inner lower end of housing (1) by load line binding post (8) and the nut that radially passes down fixed contact (12), insulation inner core (13), following insulating case (16) and arc-extinguish chamber (7) anchor ear.
7. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1, it is characterized in that described upper static contact (11) is cylindrical body, the lower semisection of upper static contact (11) is the last moving contact elasticity holding claw (18) of distinguish, and the periphery of the last moving contact elasticity holding claw (18) of upper static contact (11) is set with the extension spring (9) of twice annular; Following fixed contact (12) is a cylindrical body, the upper semisection of following fixed contact (12) is the lower moving contact elasticity holding claw (19) of distinguish, the periphery of the lower moving contact elasticity holding claw (19) of following fixed contact (12) is set with the extension spring (9) of twice annulars, following fixed contact (12) inwall of lower moving contact elasticity holding claw (19) below be provided with lower moving contact (22) on the slideway (20) that is slidingly matched of sliding pin.
8. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1, it is characterized in that the described moving contact (21) of going up is provided with the cylindrical body that fuse cap is installed screw thread for the upper end, the upper end of last moving contact (21) is equipped with the fixedly fuse cap (25) of fuse (24) by screw thread, last moving contact (21) is slidingly mounted on the insulated tube (23) by the fusion tube rivet (26) on the insulated tube (23) that radially is installed in fusion tube (2), is axially arranged with rivet chute (27) on the outer wall that last moving contact (21) and insulated tube (23) are slidingly matched; Lower moving contact (21) is for axially having the cylindrical body of exhaust passage, radially be fixed with on the lower moving contact (22) of fusion tube (2) with following fixed contact (12) on the sliding pin (28) that is slidingly matched of slideway (20), the lower end of lower moving contact (22) radially is fixed with the key cylinder (29) that the use pull bar reverses fusion tube under the fusion tube post-tensioning (2).
9. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1 is characterized in that being provided with in the described fusion tube (2) and is enclosed within that fuse (24) is outside, the upper end is fixed on the arc extinguishing insulated tube (30) that moving contact (21) upper and lower part is positioned at insulated tube (23).
10. the built-in drop out fuse of all insulation fusion tube as claimed in claim 1, the lower end that it is characterized in that described fuse (24) is fixedly connected on the lower moving contact (22) by the fuse binding post (221) that radially is installed on the lower moving contact (22), the upper end of fuse (24) is fixed with cartridge fuse-link (241), and cartridge fuse-link (241) is connected on the moving contact (21) by the fuse cap (25) that screw thread is installed on the moving contact (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101248509A CN102243958A (en) | 2011-05-16 | 2011-05-16 | Fully-insulated drop-out type fuse having built-in fusion tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101248509A CN102243958A (en) | 2011-05-16 | 2011-05-16 | Fully-insulated drop-out type fuse having built-in fusion tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102243958A true CN102243958A (en) | 2011-11-16 |
Family
ID=44961952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101248509A Pending CN102243958A (en) | 2011-05-16 | 2011-05-16 | Fully-insulated drop-out type fuse having built-in fusion tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102243958A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078265A (en) * | 2014-07-02 | 2014-10-01 | 辽宁宇光输变电有限公司 | Electrical disconnecting link switch support insulator and electrical disconnecting link switch |
| CN106128889A (en) * | 2016-08-24 | 2016-11-16 | 辽宁华隆电力科技股份有限公司 | A kind of two-part insulating ceramic injection fuse box of cartridge fuse peripheral hardware insulating barrier |
| CN106128893A (en) * | 2016-08-24 | 2016-11-16 | 辽宁华隆电力科技股份有限公司 | A kind of conducting ring is U-shaped two-part insulating ceramic injection fuse box |
| CN109524281A (en) * | 2019-01-08 | 2019-03-26 | 北京博瑞莱智能科技周口有限公司 | A kind of compound insulation type fuse |
| CN110086048A (en) * | 2019-04-29 | 2019-08-02 | 苏州安靠电源有限公司 | Formula power line and battery pack are automatically disengaged with overcurrent protection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184979Y (en) * | 1994-01-25 | 1994-12-07 | 姜德轩 | Small volume ejecting thermal element |
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN201038104Y (en) * | 2007-04-03 | 2008-03-19 | 赵海洋 | Closed insert type high voltage fuse |
| CN201112314Y (en) * | 2007-05-09 | 2008-09-10 | 日本能源服务株式会社 | High voltage fuse |
| CN202013858U (en) * | 2011-05-16 | 2011-10-19 | 曲秀均 | Built-in drop-out fuse for fully insulated melt pipe |
-
2011
- 2011-05-16 CN CN2011101248509A patent/CN102243958A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2184979Y (en) * | 1994-01-25 | 1994-12-07 | 姜德轩 | Small volume ejecting thermal element |
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN201038104Y (en) * | 2007-04-03 | 2008-03-19 | 赵海洋 | Closed insert type high voltage fuse |
| CN201112314Y (en) * | 2007-05-09 | 2008-09-10 | 日本能源服务株式会社 | High voltage fuse |
| CN202013858U (en) * | 2011-05-16 | 2011-10-19 | 曲秀均 | Built-in drop-out fuse for fully insulated melt pipe |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078265A (en) * | 2014-07-02 | 2014-10-01 | 辽宁宇光输变电有限公司 | Electrical disconnecting link switch support insulator and electrical disconnecting link switch |
| CN104078265B (en) * | 2014-07-02 | 2018-01-16 | 辽宁宇光输变电有限公司 | Electric knife switch switch carrier insulator |
| CN106128889A (en) * | 2016-08-24 | 2016-11-16 | 辽宁华隆电力科技股份有限公司 | A kind of two-part insulating ceramic injection fuse box of cartridge fuse peripheral hardware insulating barrier |
| CN106128893A (en) * | 2016-08-24 | 2016-11-16 | 辽宁华隆电力科技股份有限公司 | A kind of conducting ring is U-shaped two-part insulating ceramic injection fuse box |
| CN109524281A (en) * | 2019-01-08 | 2019-03-26 | 北京博瑞莱智能科技周口有限公司 | A kind of compound insulation type fuse |
| CN110086048A (en) * | 2019-04-29 | 2019-08-02 | 苏州安靠电源有限公司 | Formula power line and battery pack are automatically disengaged with overcurrent protection |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102243958A (en) | Fully-insulated drop-out type fuse having built-in fusion tube | |
| CN203659778U (en) | Outdoor full insulation jet type fuse | |
| CN202013858U (en) | Built-in drop-out fuse for fully insulated melt pipe | |
| CN202084836U (en) | Solid insulation vacuum looped network cabinet | |
| CN205751995U (en) | A kind of novel sulfur hexafluoride breaker | |
| CN86105754A (en) | Fuse for AC power circuit | |
| CN201196940Y (en) | High voltage fuse | |
| CN2710146Y (en) | High-voltage current-limiting fuse | |
| CN207038427U (en) | One kind can survey vacuum vacuum circuit breaker | |
| CN100470707C (en) | Enclosed plug-type high voltage fuse device | |
| CN105140878A (en) | High voltage falling type fuse over-current switching protective device | |
| CN201425916Y (en) | Longitudinal magnetic field arc failure device and gaseous insulation load switch | |
| CN203218205U (en) | Novel fall-off type fuse protector fuse wire | |
| CN107170654A (en) | The circuit breaker that a kind of short circuit is quick break | |
| CN203950770U (en) | Insulating enclosed type fuse fastening assembly | |
| CN201289972Y (en) | Hardware fittings for installation of insulated enclosed fuse | |
| CN206774446U (en) | A kind of vacuum disconnector | |
| CN206758336U (en) | Vacuum fusion tube isolation switch | |
| CN105957768A (en) | Novel sulfur hexafluoride breaker | |
| CN207282396U (en) | A kind of breaker of high-tension switch gear | |
| CN202120846U (en) | Novel dropout type fuse | |
| CN105551875A (en) | High-voltage power transmission line terminal breaker device | |
| CN205487926U (en) | Novel explosion chamber | |
| CN203950776U (en) | J type hook hole insulating enclosed type fuse fastening assembly | |
| CN104867776A (en) | Fuse type load disconnection switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |
Application publication date: 20111116 |