CN106229240A - A kind of outdoor high-voltage blast enclosure fuse - Google Patents
A kind of outdoor high-voltage blast enclosure fuse Download PDFInfo
- Publication number
- CN106229240A CN106229240A CN201610746299.4A CN201610746299A CN106229240A CN 106229240 A CN106229240 A CN 106229240A CN 201610746299 A CN201610746299 A CN 201610746299A CN 106229240 A CN106229240 A CN 106229240A
- Authority
- CN
- China
- Prior art keywords
- fuse
- contact
- overcoat
- lower contact
- card
- 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
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/165—Casings
Landscapes
- Fuses (AREA)
Abstract
The invention provides a kind of outdoor high-voltage blast enclosure fuse, including insulator overcoat, inlet line, egress line, cartridge fuse, arc-extinguishing tube, upper contact head, lower contact, described insulator overcoat periphery is provided with the full skirt outside diameter of full skirt, wherein the top more than six full skirt outside diameters below；Described lower contact outer is provided with positioning sleeve, and positioning sleeve uses tapering seam Design Orientation；Described lower contact include annular card bed and be evenly distributed on three contact cards inside card bed, card bed be pyrite material, contact card be beryllium-bronze material, rivet be red copper material, described insulator overcoat is glass fibre reinforced plastic insulating overcoat.Compared with prior art, the present invention has safe and reliable, length in service life, advantage easy to use.
Description
Technical field
The present invention relates to power transmission technical field, particularly relate to a kind of closed spray of the outdoor high-voltage for supply line
Penetrate fuse.
Background technology
In supply line of China, fuse switch uses ratio wide.In prior art, fuse switch is often
Occur that fault-free is fallen and refuses to fall phenomenon, also exist that contact is exposed, dielectric level is low, breaking-closing operating has certain danger simultaneously
The problem such as dangerous, constitutes threat to electric power netting safe running；And the supply line disconnected does not has obvious cut-off point, examine to circuit
Repair work and bring huge workload.In consideration of it, be necessary to provide a kind of new outdoor high-voltage blast enclosure fuse to solve
Certainly above-mentioned technical problem.
Summary of the invention
Technical problem solved by the invention is to provide a kind of outdoor high-voltage blast enclosure fuse, this fusing utensil
There are safe and reliable, length in service life, advantage easy to use.
For solving above-mentioned technical problem, the present invention adopts the following technical scheme that a kind of outdoor high-voltage blast enclosure fusing
Device, including hollow insulator overcoat, be positioned at the inlet line on insulator overcoat top, be positioned at going out of insulator jacket bottom side
Mouthful line, the cartridge fuse being positioned at insulator overcoat hollow cavity and arc-extinguishing tube, the upper contact head of connection inlet line and cartridge fuse, it is positioned at
Lower contact bottom cartridge fuse, the lower contact of connection and the lower contact guide pin bushing of egress line, it is characterised in that outside described insulator overcoat
It is provided with the full skirt outside diameter of the full skirt of about eight superposition distributions, wherein the top week more than six full skirt cylindricals below
Diameter, the full skirt removed outside the full skirt of the top presses the up-small and down-big arrangement of outside diameter；Described lower contact outer is provided with positioning sleeve,
Described lower contact includes annular card bed and is evenly distributed on three contact cards inside card bed, and contact card utilizes riveting
Nail is fixed on card bed；Position below the lower contact of described insulator overcoat is provided with pop-up type and seals lid.
As the further improvement of the technical program, between described positioning sleeve upper surface and arc-extinguishing tube, use seam formula location
Connecting, positioning sleeve is arranged over seam boss, is provided with seam concave station bottom arc-extinguishing tube.
As the further improvement of the technical program, the card bed of described lower contact be pyrite material, contact card be beryllium
Bronze material, rivet are red copper material.
As the further improvement of the technical program, described insulator overcoat is glass fibre reinforced plastic insulating overcoat.
Compared with prior art, outdoor high-voltage blast enclosure fuse of the present invention, the full skirt of insulator overcoat changes
The pyramidal structure that past is up-small and down-big, on the premise of ensureing that retting-flax wastewater is constant, adds top first full skirt outside diameter
Greatly, beyond following six full skirt outside diameters, the most both made fuse overall appearance look better appearance, added again creepage
Distance, extends and climbs arc length degree.. when running into sleety weather, sleet water can directly drop onto lower half along full skirt edge, the top
On the full skirt that portion is last, will not along second, the 3rd full skirt drippage form ice bead string, it is to avoid the generation of flashover.
Even if when the least meeting of rainwater is postponed downwards from the top full skirt, the diameter that the top full skirt is bigger also can play blocking-up current
Effect, prevents flashover.
The contact card of lower contact have employed petal type three-jaw distribution equalizing structure, utilizes triangle stability principle to enhance tactile
Fixing, the stability of tip electrode, it is ensured that cartridge fuse mechanical stability during cut-offfing ejection, and fuse can be made to hold
By bigger electric current, it is difficult to burn.Seam formula is used to be located by connecting, at upper and lower contact integrated connection between arc-extinguishing tube and positioning sleeve
During play the effect being accurately positioned, prevent the situation that lower contact arbitrarily swings when playbacking, it is ensured that after cartridge fuse cut-offs
Again close a floodgate time can voluntarily centering, connect rapidly.
Contact card material improvement is beryllium-bronze, and beryllium-bronze is a kind of supersaturated solid solution acid bronze alloy, has with special
The high intensity limit that steel is suitable, elastic limit, yield limit and fatigue limit, possess again simultaneously and have high conductivity, thermal conductivity is high
Hardness and wearability, creep resistance and corrosion resistance are the most prominent, and it is better than other materials as the various performances of contact card.
Insulator overcoat have employed glass fibre reinforced plastic insulating overcoat, and it is new that the glass fibre reinforced plastic insulating overcoat that is in operation suffers that thunder and lightning burns
Surface is still smooth vitreous body, and has steel flower tubes protective layer, and therefore, it still maintains enough insulating properties and machinery
Intensity, and corrosion-resistant and ageing-resistant, and fiberglass light weight, intensity is high, and surface is difficult to contamination and is prone to clean, insulator overcoat
Will rinse cleaner after rain, explosion-proof performance is good, the most once occurs fault problem to make overcoat produce and puncture
When phenomenon is acutely damaged, overcoat can frightened broken rather than large-area cracking progressively, splash everywhere；Glass fibre reinforced plastic insulating overcoat is whole
Body is for closing transparence, and internal structure shows undoubtedly, cartridge fuse is contacted with upper contact head the most well and positioning sleeve 11 whether
Carried out being accurately positioned and fix very clear to cartridge fuse and arc-extinguishing tube.
Accompanying drawing explanation
Fig. 1 is the structural representation of outdoor high-voltage blast enclosure fuse of the present invention.
Fig. 2 is the structural representation of the lower contact of outdoor high-voltage blast enclosure fuse of the present invention.
Fig. 3 is the Section A-A structural representation of Fig. 2.
Fig. 4 is the positioning sleeve connection diagram with arc-extinguishing tube of outdoor high-voltage blast enclosure fuse of the present invention.
Fig. 5 is the use principle schematic diagram of the full skirt of insulator overcoat of the present invention.
Component names corresponding in figure is: 1 insulator overcoat, 2 inlet line, 3 egress lines, 4 cartridge fuses, 4.1 fuses, 5 go out
Arc pipe, 6 upper contact heads, 7 times contact guide pin bushings, 8 full skirts, 9 times contacts, 91 card beds, 92 contact cards, 93 rivets, 10 pop-up types are close
Capping, 11 positioning sleeves, 110 seam boss, 50 seam concave stations.
Detailed description of the invention
Referring to shown in Fig. 1 to Fig. 5, the present invention provides a kind of outdoor high-voltage blast enclosure fuse, including hollow
Insulator overcoat 1；It is positioned at the inlet line 2 on insulator overcoat top；It is positioned at the egress line 3 of insulator jacket bottom side；It is positioned at
Cartridge fuse 4 in insulator overcoat hollow cavity and arc-extinguishing tube 5；Connect the upper contact head 6 of inlet line and cartridge fuse；It is positioned at cartridge fuse
The lower contact 9 of bottom, the lower contact of connection and the lower contact guide pin bushing 7 of egress line；Described insulator overcoat periphery is provided with about eight
The full skirt 8 of superposition distribution；Wherein the full skirt outside diameter of the top is more than six full skirt outside diameters below, removes and goes up most
Full skirt outside the full skirt of side presses the up-small and down-big arrangement of outside diameter；Described lower contact 9 is outside is provided with positioning sleeve 11, described lower contact
9 include annular card bed 91 and are evenly distributed on three contact cards 92 inside card bed, and contact card utilizes rivet 93
It is fixed on card bed；Position below the lower contact of described insulator overcoat is provided with pop-up type and seals lid 10.Positioning sleeve upper end
Using seam formula to be located by connecting between face and arc-extinguishing tube, positioning sleeve is arranged over seam boss 110, is provided with seam bottom arc-extinguishing tube
Concave station 50.
The card bed of described lower contact 9 be pyrite material, contact card be beryllium-bronze material, rivet be red copper material.Beryllium
Bronze material is mechanical performance, physical property, chemical property and the good non-ferrous alloy of etch resistant properties, makes as contact card
With, substantially increase mechanical performance and the electric conductivity of fuse.Described insulator overcoat is glass fibre reinforced plastic insulating overcoat, fiberglass
The superiority of insulating coating has 4 points: the new surface that (1), the glass fibre reinforced plastic insulating overcoat that is in operation are burnt by thunder and lightning is still smooth
Vitreous body, and have steel flower tubes protective layer, therefore, it still maintains enough insulating properties and mechanical strength, and resistance to
Corrosion is with ageing-resistant；(2), its light weight, intensity is high, and surface is difficult to contamination and is prone to clean, and will rinse after insulator rain
Cleaner；(3), explosion-proof performance good, the most once occur fault problem and make overcoat produce punch-through acutely damage
Bad time, overcoat can frightened broken rather than large-area cracking progressively, splash everywhere；If it is there is this within the scope of living area
The situation of kind, will not injure people, reduce the nocuity to human body；(4), glass fibre reinforced plastic insulating overcoat is closing transparence, inside
Structure shows undoubtedly, contacts with upper contact head the most well for cartridge fuse and whether positioning sleeve 11 is carried out cartridge fuse and arc-extinguishing tube
It is accurately positioned and fix very clear.
The present invention utilizes the fuse 41 in cartridge fuse 4 self fusing to form electric arc, then under high arc temperature effect, will go out
Material gasification in arc pipe 5 produces a large amount of gases, then relies on this gas to be blown out by electric arc when current over-zero, fuse shape
Become electric fracture, to cut-off circuit, excision faulty line or faulty equipment.For the ease of confirming that on ground cartridge fuse 4 connects
State, fuse failure or when cut-offfing fusing carrier can seal lid central point through pop-up type, have substantially in the close closure base portion of pop-up type
Disconnection show.Inlet line 2 and egress line 3 are connected by the integrated insulation system of rubber, cartridge fuse, arc-extinguishing tube, upper touch
Head, lower contact etc. are sealed in insulator jacket internal, and sealed insulation effect is notable.
The above, be only highly preferred embodiment of the present invention, and the present invention not makees any pro forma restriction, appoints
What those of ordinary skill in the art, without departing under technical solution of the present invention ambit, in utilizing the method for the disclosure above
Hold and technical solution of the present invention is made many possible variations and modification, belong to the scope of claims protection.
Claims (4)
1. an outdoor high-voltage blast enclosure fuse, including hollow insulator overcoat, be positioned at insulator overcoat top
Inlet line, it is positioned at the egress line of insulator jacket bottom side, the cartridge fuse being positioned at insulator overcoat hollow cavity and arc extinguishing
Pipe, connect inlet line and the upper contact head of cartridge fuse, be positioned at the lower contact bottom cartridge fuse, be connected the lower tactile of lower contact and egress line
Head guide pin bushing, it is characterised in that described insulator overcoat periphery is provided with the umbrella of the full skirt of about eight superposition distributions, wherein the top
Skirt outside diameter is more than six full skirt outside diameters below, and the full skirt removed outside the full skirt of the top is pressed on outside diameter little
Lower longer spread；Described lower contact outer is provided with positioning sleeve, and described lower contact includes annular card bed and is evenly distributed on card
Three contact cards inside Zuo, contact card utilizes rivet to be fixed on card bed；Under the lower contact of described insulator overcoat
The position of side is provided with pop-up type and seals lid.
Outdoor high-voltage blast enclosure fuse the most according to claim 1, it is characterised in that: described positioning sleeve upper surface
And using seam formula to be located by connecting between arc-extinguishing tube, positioning sleeve is arranged over seam boss, is provided with seam concave station bottom arc-extinguishing tube.
Outdoor high-voltage blast enclosure fuse the most according to claim 1, it is characterised in that: the card of described lower contact
Seat is pyrite material, contact card is beryllium-bronze material, rivet is red copper material.
Outdoor high-voltage blast enclosure fuse the most according to claim 1, it is characterised in that: described insulator overcoat is
Glass fibre reinforced plastic insulating overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746299.4A CN106229240A (en) | 2016-08-29 | 2016-08-29 | A kind of outdoor high-voltage blast enclosure fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610746299.4A CN106229240A (en) | 2016-08-29 | 2016-08-29 | A kind of outdoor high-voltage blast enclosure fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106229240A true CN106229240A (en) | 2016-12-14 |
Family
ID=57554857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610746299.4A Pending CN106229240A (en) | 2016-08-29 | 2016-08-29 | A kind of outdoor high-voltage blast enclosure fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106229240A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834065A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap and application thereof |
| CN111834064A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-recoil arc-extinguishing lightning protection device and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN2667652Y (en) * | 2003-11-14 | 2004-12-29 | 河北乾盛电力电器设备有限公司 | Spraying fuse |
| CN203423138U (en) * | 2013-08-29 | 2014-02-05 | 乐清市锦翔电气有限公司 | Outdoor full-insulation enclosed injection type fuse |
| CN205159272U (en) * | 2015-11-05 | 2016-04-13 | 国家电网公司 | Fuse cutout |
-
2016
- 2016-08-29 CN CN201610746299.4A patent/CN106229240A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11224588A (en) * | 1998-02-06 | 1999-08-17 | Aizu Gaishi Kk | Primary fuse cutout switch |
| CN2667652Y (en) * | 2003-11-14 | 2004-12-29 | 河北乾盛电力电器设备有限公司 | Spraying fuse |
| CN203423138U (en) * | 2013-08-29 | 2014-02-05 | 乐清市锦翔电气有限公司 | Outdoor full-insulation enclosed injection type fuse |
| CN205159272U (en) * | 2015-11-05 | 2016-04-13 | 国家电网公司 | Fuse cutout |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111834065A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-jet airflow arc extinguishing lightning protection device without air gap and application thereof |
| CN111834064A (en) * | 2019-04-16 | 2020-10-27 | 段小嬿 | Semi-closed double-recoil arc-extinguishing lightning protection device and application thereof |
| CN111834064B (en) * | 2019-04-16 | 2023-11-10 | 段小嬿 | Semi-closed double-recoil arc-extinguishing lightning protection device and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161214 |
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| RJ01 | Rejection of invention patent application after publication |