CN103928273A - Insulation closed type intelligent fuse - Google Patents
Insulation closed type intelligent fuse Download PDFInfo
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- CN103928273A CN103928273A CN201410181868.6A CN201410181868A CN103928273A CN 103928273 A CN103928273 A CN 103928273A CN 201410181868 A CN201410181868 A CN 201410181868A CN 103928273 A CN103928273 A CN 103928273A
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- fuse
- moving contact
- contact
- insulator
- fusion tube
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Abstract
The invention discloses an insulation closed type intelligent fuse which comprises a cylindrical insulator. The side wall of the cylindrical insulator is provided with an umbrella skirt, and an installation rack is fixed to the outer wall in the middle of the cylindrical insulator. The insulation closed type intelligent fuse is characterized by further comprising an electric conducting device and an insulating device, wherein the electric connecting device is composed of an upper cable outgoing line, a lower cable outgoing line, an upper fixed contact, a lower fixed contact, an upper moving contact, a lower moving contact and a fuse wire, and the insulating device is composed of an arc extinction pillar, an arc extinction pipe, a load fuse pipe and an arc extinction paper pipe. A load fuse piece is composed of an upper moving contact, a lower moving contact, an arc pulling spring, a fuse wire and a load fuse pipe. The load fuse piece is inserted into the cylindrical insulator, so that the upper moving contact makes contact with the upper fixed contact, the lower moving contact makes contact with the lower fixed contact, and a current loop is formed. A proximity switch connected with an external computer through a wire is arranged at the position where the lower edge of the cylindrical insulator is connected with a cover shell. The insulation closed type intelligent fuse has the advantages of being not prone to generating arcs, high in arc cutting capability, dustproof, rainproof, antifouling, antiseptic, firm, durable and capable of monitoring the on-off states of itself.
Description
Technical field
The present invention relates to power equipment, especially relate to a kind of insulator seal closed form Intelligent fuse.
Background technology
In electric power system; fuse is for divide-shut brake, short circuit and the overload protection of electric power system; the fusion tube of conventional high-voltage explosion fuse is positioned at exterior insulator; moving contact and fixed contact are all exposed in air; without rain-proof dust-proof, antifouling corrosion-resistant measure; to such an extent as to easily break down, useful life is short.And inconvenient operation, dangerous, easily produces arc light.In addition, deciliter state of fuse cannot be determined, need arrive site observation and could determine in the time causing separating brake due to failure and other reasons, is not easy to analysis and processing to fault.
Summary of the invention
The object of the present invention is to provide a kind of difficult product arc, cut the insulator seal closed form Intelligent fuse that arc ability is strong, dustproof, rainproof, antifouling, anticorrosion, sturdy and durable, can monitor himself deciliter state.
The object of the present invention is achieved like this:
A kind of insulator seal closed form Intelligent fuse, comprise the tubular insulator of sidewall band full skirt, outer wall middle part at tubular insulator is fixed with installing rack, be provided with sealing cap on the top of tubular insulator, the right, middle and lower part at tubular insulator outer wall is provided with side seal cap, feature is: also comprise electric installation and seal, electric installation is by upper cable pigtail, lower cable pigtail, upper static contact, lower fixed contact, upper moving contact, lower moving contact and fuse composition, seal is by extinguishing arc post, expulsion tube, carry fusion tube and arc extinguishing paper tube composition, top in the insulator chamber of tubular insulator is fixed with cable pigtail with powerful insulating cement, outer wall middle and lower part at tubular insulator is fixed with the lower cable pigtail in horizontal direction with powerful insulating cement, the top in the insulator chamber in tubular insulator and middle and lower part are provided with respectively upper static contact and lower fixed contact, in upper cable pigtail, connecing end is passed down through sealing cap and enters into insulator chamber, be connected with upper static contact through conducting rod, in lower cable pigtail, connecing end enters into insulator chamber and is connected with lower fixed contact through side seal cap left, fusing carrier is made up of upper moving contact, lower moving contact, arcing spring, fuse and a year fusion tube, top at columnar year fusion tube is provided with moving contact by screw thread, be fixed with diameter in the bottom of carrying fusion tube by screw thread and be greater than the stop nut that carries fusion tube external diameter, be set with lower moving contact and arcing spring at the outer wall that carries fusion tube, the lower moving contact slip cap being positioned at above arcing spring is contained on year fusion tube, and can do relative motion with a year fusion tube, the top of arcing spring props up lower moving contact, and the bottom of arcing spring props up stop nut, in year fusion tube, fuse is installed, the arc extinguishing paper tube of energy aerogenesis is enclosed within on fuse, the diameter of arc extinguishing paper tube is slightly less than the internal diameter that carries fusion tube, make to be arranged on the fuse carrying in fusion tube and be tight fit with a year fusion tube, the upper end of fuse be fixedly connected with in carrying the upper moving contact on fusion tube top, the lower end of fuse is from carrying the bottom pull-out of fusion tube, and upwards around by the lower moving contact after arcing spring-compressed, be pressed on the outer wall that carries fusion tube by the nut of lower moving contact side, go up like this moving contact, fuse and lower moving contact and be just linked to be conductive loop, in up big and down small, the trumpet-shaped upper static contact of opening, be provided with upper static contact spring and extinguishing arc post, between upper static contact in insulator chamber and lower fixed contact, be provided with diameter and be greater than the expulsion tube that carries fusion tube, fusing carrier is inserted in insulator chamber from bottom to top, the middle and upper part of carrying fusion tube is enclosed within expulsion tube, and the upper moving contact that carries fusion tube top is inserted in upper static contact and with upper static contact and contacts, insert in lower fixed contact and block in carrying the lower moving contact of fusion tube bottom, fusing carrier is just fixed in insulator chamber by lower fixed contact under normal condition.
Bottom at tubular insulator is fixed with case, is plugged with seal cover at sealing drum to lower opening.
Lower limb at tubular insulator is provided with case intersection the approach switch being connected with outer computer by wire, it can reflect deciliter state of fuse, this signal is reflected on computers, thereby realize monitoring at a distance, be convenient to operating maintenance personnel's detection and accident analysis.
One end of nylon rope is fixed on the bottom of seal cover, and the other end of nylon rope is fixed on the stay hook on case lateral wall.
Play and prevent that sleet from entering the taper that is shaped as of the upper sealing cap of insulator chamber effect and side seal cap.
The present invention is made up of tubular insulator, installing rack, electric installation, seal and case etc., fusing carrier inserts in tubular insulator, going up like this moving contact contacts with upper static contact, lower moving contact contacts with lower fixed contact, form current circuit, electric current flows through cable pigtail, conducting rod, upper static contact, upper moving contact, fuse, lower moving contact, lower fixed contact, lower cable pigtail from top to bottom.Under normal condition, arcing spring, by fuse tension process, carries fusion tube and moves upward with respect to lower fixed contact, and arcing spring is compressed, and fusing carrier remains static, the conducting of whole loop; Deciliter load current under normal circumstances, will carry the pull-out downwards of fusion tube and fuse entirety time, is arranged on the electric arc producing when extinguishing arc post energy aerogenesis between upper static contact and upper moving contact extinguishes deciliter load current, manually divide-shut brake.In the time breaking down fuse failure, in fusing carrier, produce electric arc, arcing spring, because the pulling force that loses fuse discharges, because lower fixed contact is fixed, carries fusion tube and just relatively descends fixed contact motion to eject downwards, and electric arc is elongated; Be placed in the arc extinguishing paper tube carrying in fusion tube simultaneously and under high arc temperature effect, produce a large amount of gas, make arc extinction.Upper static contact spring plays auxiliary pushing effect, accelerates to separate in the time of separating brake.
Therefore, the present invention have advantages of be difficult for producing arc, cut arc ability strong, easy to operate, dustproof, rainproof, antifouling, anticorrosion, sturdy and durable, can monitor and himself close state.
Brief description of the drawings
Fig. 1 is contour structures schematic diagram of the present invention;
Fig. 2 is sectional structure schematic diagram of the present invention;
Fig. 3 is before fusing carrier is unkitted fuse, the schematic diagram of arcing spring in release condition;
Fig. 4 is that fusing carrier is installed after fuse, the schematic diagram of arcing spring in compressive state;
Fig. 5 is the sectional structure schematic diagram of the present invention in closing a floodgate;
Fig. 6 is the sectional structure schematic diagram of the present invention in separating brake.
Embodiment
Below in conjunction with embodiment and contrast accompanying drawing the present invention is described in further detail.
A kind of insulator seal closed form Intelligent fuse, comprise the tubular insulator 1 of sidewall band full skirt 11, electric installation 2 and seal 3, at the middle part of tubular insulator 1, outer wall is fixed with installing rack 12, be provided with sealing cap 13 on the top of tubular insulator 1, the right, middle and lower part at tubular insulator 1 outer wall is provided with side seal cap 14, electric installation 2 is by upper cable pigtail 21, lower cable pigtail 22, upper static contact 23, lower fixed contact 24, upper moving contact 25, lower moving contact 26 and fuse 27 form, seal 3 is by extinguishing arc post 31, expulsion tube 32, carrying fusion tube 33 and arc extinguishing paper tube 34 forms, top in the insulator chamber 15 of tubular insulator 1 is fixed with cable pigtail 21 with powerful insulating cement, outer wall middle and lower part at tubular insulator 1 is fixed with the lower cable pigtail 22 in horizontal direction with powerful insulating cement, the top in the insulator chamber 15 in tubular insulator 1 and middle and lower part are provided with respectively upper static contact 23 and lower fixed contact 24, in upper cable pigtail 22, connecing end is passed down through sealing cap 13 and enters into insulator chamber 15, be connected with upper static contact 23 through conducting rod 16, in lower cable pigtail 24, connecing end enters into insulator chamber 15 and is connected with lower fixed contact 24 through side seal cap 14 left, fusing carrier 4 is by upper moving contact 25, lower moving contact 26, arcing spring 41 and a year fusion tube 33 form, top at columnar year fusion tube 33 is provided with moving contact 25 by screw thread, be fixed with diameter in the bottom of carrying fusion tube 33 by screw thread and be greater than the stop nut 42 that carries fusion tube 33 external diameters, be set with lower moving contact 26 and arcing spring 41 at the outer wall that carries fusion tube 33, being positioned at arcing spring 41 lower moving contact 26 slip caps is above contained on year fusion tube 33, and can do relative motion with a year fusion tube 33, the top of arcing spring 41 props up lower moving contact 26, the bottom of arcing spring 41 props up stop nut 42, in year fusion tube 33, fuse 27 is installed, the arc extinguishing paper tube 34 of energy aerogenesis is enclosed within on fuse 27, the diameter of arc extinguishing paper tube 34 is slightly less than the internal diameter that carries fusion tube 33, make to be arranged on the fuse 27 carrying in fusion tube 33 and be tight fit with year molten 33 pipes, the upper end of fuse 27 be fixedly connected with in carrying the upper moving contact 25 on fusion tube 33 tops, the lower end of fuse 27 is from carrying the bottom pull-out of fusion tube 33, and upwards on the lower moving contact 26 after arcing spring 41 is compressed, be pressed on by the nut 261 of lower moving contact 26 sides on the outer wall that carries fusion tube 33, go up like this moving contact 25, fuse 27 and lower moving contact 26 are just linked to be conductive loop, up big and down small, in the trumpet-shaped upper static contact 23 of opening, be provided with upper static contact spring 28 and extinguishing arc post 31, between upper static contact 23 in insulator chamber 15 and lower fixed contact 24, be provided with diameter and be greater than the expulsion tube 32 that carries fusion tube 33, fusing carrier 4 is inserted in insulator chamber 15 from bottom to top, the middle and upper part of carrying fusion tube 33 is enclosed within expulsion tube 32, and the upper moving contact 25 that carries fusion tube 33 tops is inserted in upper static contact 23 and with upper static contact 23 and contacts, insert in lower fixed contact 24 and block in carrying the lower moving contact 26 of fusion tube 33 bottoms, fusing carrier 4 is just fixed in insulator chamber 15 by lower fixed contact 24 under normal condition.
Be fixed with case 5 in the bottom of tubular insulator 1, be plugged with seal cover 51 at case 5 to lower opening.
Lower limb at tubular insulator 1 is provided with case 5 intersections the approach switch 6 being connected with outer computer by wire, it can reflect deciliter state of fuse, this signal is reflected on computers, thereby realize monitoring at a distance, be convenient to operating maintenance personnel's detection and accident analysis.
One end of nylon rope 52 is fixed on the bottom of seal cover 51, and the other end of nylon rope 52 is fixed on case 5 lateral walls.
Play and prevent that sleet from entering the taper that is shaped as of upper sealing cap 13 that insulator chamber 15 acts on and side seal cap 14.
Claims (7)
1. an insulator seal closed form Intelligent fuse, comprise the tubular insulator of sidewall band full skirt, at the middle part of tubular insulator, outer wall is fixed with installing rack, be provided with sealing cap on the top of tubular insulator, the right, middle and lower part at tubular insulator outer wall is provided with side seal cap, it is characterized in that: also comprise electric installation and seal, electric installation is made up of upper cable pigtail, lower cable pigtail, upper static contact, lower fixed contact, upper moving contact, lower moving contact and fuse, and seal is made up of extinguishing arc post, expulsion tube, year fusion tube and arc extinguishing paper tube.
2. be fixed with cable pigtail on the top in the insulator chamber of tubular insulator with powerful insulating cement, outer wall middle and lower part at tubular insulator is fixed with the lower cable pigtail in horizontal direction with powerful insulating cement, the top in the insulator chamber in tubular insulator and middle and lower part are provided with respectively upper static contact and lower fixed contact, in upper cable pigtail, connecing end is passed down through sealing cap and enters into insulator chamber, be connected with upper static contact through conducting rod, in lower cable pigtail, connect end and enter into insulator chamber and be connected with lower fixed contact through side seal cap left.
3. fusing carrier is made up of upper moving contact, lower moving contact, arcing spring, fuse and a year fusion tube, on the top of carrying fusion tube, moving contact is installed by screw thread, be fixed with diameter in the bottom of columnar year fusion tube by screw thread and be greater than the stop nut that carries fusion tube external diameter, be set with lower moving contact and arcing spring at the outer wall that carries fusion tube, the lower moving contact slip cap being positioned at above arcing spring is contained on year fusion tube, and can do relative motion with a year fusion tube, the top of arcing spring props up lower moving contact, and the bottom of arcing spring props up stop nut; In year fusion tube, fuse is installed, the arc extinguishing paper tube of energy aerogenesis is enclosed within on fuse, the diameter of arc extinguishing paper tube is slightly less than the internal diameter that carries fusion tube, make to be arranged on the fuse carrying in fusion tube and be tight fit with a year fusion tube, the upper end of fuse be fixedly connected with in carrying the upper moving contact on fusion tube top, the lower end of fuse is from carrying the bottom pull-out of fusion tube, and upwards around by the lower moving contact after arcing spring-compressed, be pressed on the outer wall that carries fusion tube by the nut of lower moving contact side, go up like this moving contact, fuse and lower moving contact and be just linked to be conductive loop; In up big and down small, the trumpet-shaped upper static contact of opening, be provided with upper static contact spring and extinguishing arc post, between upper static contact in insulator chamber and lower fixed contact, be provided with diameter and be greater than the expulsion tube that carries fusion tube, fusing carrier is inserted in insulator chamber from bottom to top, the middle and upper part of carrying fusion tube is enclosed within expulsion tube, and the upper moving contact that carries fusion tube top is inserted in upper static contact and with upper static contact and contacts, insert in lower fixed contact and block in carrying the lower moving contact of fusion tube bottom, fusing carrier is just fixed in insulator chamber by lower fixed contact under normal condition.
4. insulator seal closed form Intelligent fuse according to claim 1, is characterized in that: the bottom at tubular insulator is fixed with sealing drum, is plugged with case at sealing drum to lower opening.
5. insulator seal closed form Intelligent fuse according to claim 1, is characterized in that: the lower limb at tubular insulator is provided with case intersection the approach switch being connected with outer computer by wire.
6. insulator seal closed form Intelligent fuse according to claim 1, is characterized in that: one end of nylon rope is fixed on the bottom of case, and the other end of nylon rope is fixed on the stay hook on sealing drum lateral wall.
7. insulator seal closed form Intelligent fuse according to claim 1, is characterized in that: play and prevent that sleet from entering the taper that is shaped as of the upper sealing cap of insulator chamber effect and side seal cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181868.6A CN103928273A (en) | 2014-05-04 | 2014-05-04 | Insulation closed type intelligent fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181868.6A CN103928273A (en) | 2014-05-04 | 2014-05-04 | Insulation closed type intelligent fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103928273A true CN103928273A (en) | 2014-07-16 |
Family
ID=51146457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181868.6A Pending CN103928273A (en) | 2014-05-04 | 2014-05-04 | Insulation closed type intelligent fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103928273A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319209A (en) * | 2014-10-27 | 2015-01-28 | 江苏省电力公司洪泽县供电公司 | High-safety single column fully insulated line connector |
| CN106504962A (en) * | 2016-11-07 | 2017-03-15 | 北京索弗电气科技有限公司 | A kind of fuse |
| 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 |
| CN109841465A (en) * | 2017-11-24 | 2019-06-04 | 库柏电子科技(上海)有限公司 | Outdoor closed fuse |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN1845283A (en) * | 2006-04-13 | 2006-10-11 | 温州市自豪特种机电有限公司 | Remote controlled drop-out fuse |
| CN201112314Y (en) * | 2007-05-09 | 2008-09-10 | 日本能源服务株式会社 | High voltage fuse |
| CN201196941Y (en) * | 2008-05-08 | 2009-02-18 | 日本能源服务株式会社 | Fuse barrel for high voltage fuse |
| CN201936829U (en) * | 2010-11-26 | 2011-08-17 | 日本能源服务株式会社 | Fuse drum for high-voltage fuse |
-
2014
- 2014-05-04 CN CN201410181868.6A patent/CN103928273A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN1845283A (en) * | 2006-04-13 | 2006-10-11 | 温州市自豪特种机电有限公司 | Remote controlled drop-out fuse |
| CN201112314Y (en) * | 2007-05-09 | 2008-09-10 | 日本能源服务株式会社 | High voltage fuse |
| CN201196941Y (en) * | 2008-05-08 | 2009-02-18 | 日本能源服务株式会社 | Fuse barrel for high voltage fuse |
| CN201936829U (en) * | 2010-11-26 | 2011-08-17 | 日本能源服务株式会社 | Fuse drum for high-voltage fuse |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104319209A (en) * | 2014-10-27 | 2015-01-28 | 江苏省电力公司洪泽县供电公司 | High-safety single column fully insulated line connector |
| CN106504962A (en) * | 2016-11-07 | 2017-03-15 | 北京索弗电气科技有限公司 | A kind of fuse |
| CN109841465A (en) * | 2017-11-24 | 2019-06-04 | 库柏电子科技(上海)有限公司 | Outdoor closed fuse |
| 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 |
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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 |
Application publication date: 20140716 |