CN107633985A - Novel outdoor high-voltage fuse - Google Patents
Novel outdoor high-voltage fuse Download PDFInfo
- Publication number
- CN107633985A CN107633985A CN201610568691.4A CN201610568691A CN107633985A CN 107633985 A CN107633985 A CN 107633985A CN 201610568691 A CN201610568691 A CN 201610568691A CN 107633985 A CN107633985 A CN 107633985A
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- static contact
- fusion tube
- outdoor high
- voltage fuse
- novel outdoor
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Abstract
Novel outdoor high-voltage fuse involved in the present invention, including top static contact part（1）, leg portion（3）, fusion tube main part（4）, base portion（2）, in addition to breaking-closing operating head（5）, upper end shield（6）, lower end shield（7）, inlet wire silicone tube（8）, outlet silicone tube（9）.The present invention can reliably be segmented various excessively streams, improve contact performance, mechanical strength, possess auto-lock function, realize totally-enclosed, all insulation design, improve the service life of the present invention.
Description
Technical field
The present invention relates to field of high-voltage electrical equipment, is melted more particularly to a kind of totally-enclosed, all insulation outdoor high-voltage drop type
Disconnected device.
Background technology
Outdoor high-voltage fuse is circuit and equipment excessively stream and short-circuit protection, high-tension electricity protection switch, and is matched somebody with somebody now
One of primary switchgear of net and rural power grids, is widely used in each area.During a large amount of uses in each department, occur existing
With the presence of many problems of traditional fuse switch, first, existing outdoor high-voltage drop type fuse is complete exposed
Structure is affected by environment very big.Naked leakage has a strong impact on its electric conductivity to upper and lower contact outside, after corrosion throughout the year, greatly shortens
Service life.Some producers use for this defect and install insulating sheath additional in its upper and lower side, but install for convenience, insulation shield
Set is installed using buckle-type, and insulating sheath design is roomy, the possibility increase for causing debris or rainwater to be entered along gap.Especially
In the winter time, the use environment of product can be made more to deteriorate.Second, when there is strong wind in coastal cities, some outdoor high-voltage drop types melt
Disconnected device can be blown off by strong wind, cause line outage；3rd, for small bird from building nest phenomenon than more serious, it is necessary to often safeguard, waste is a large amount of
Manpower and materials, jeopardize the safety of attendant.Existing high voltage drop-out type fuse cutout can not meet the demand of power network.
The content of the invention
A kind of rational in infrastructure, the totally-enclosed high-voltage fuse provided the invention aims to the deficiency to solve the above problems
Disconnected device.
To achieve these goals, the technical scheme that can realize of the present invention is：Novel outdoor high-voltage fuse includes upper
Portion static contact part, base portion, leg portion, fusion tube main part and special fitting part composition.
Above-mentioned top static contact part includes the fixed enterprising line terminals of installation, compression spring, upper static contact, upper insulating cylinder.
By in compression spring, upper static contact, upper insulating cylinder, the fixed enterprising line terminals of installation.
Above-mentioned base portion includes pushing spring, insulation tube, lower static contact, base, lock pin, spring.
Above-mentioned leg portion includes insulating cylinder, mounting and fixing bracket, upper connecting terminal, lower connecting terminal.Insulating cylinder is adopted
With compound umbrella skirt construction, inclined-plane is upper end, and plane is lower end, is easy to rainwater and dust to slide.Top static contact part is fixed on
Insulating cylinder upper end, base portion are fixed on the lower end of insulating cylinder, and insulating cylinder upper and lower ends are at fixed top static contact part and bottom
There can not be gap during seating portion, in order to avoid influence sealing property and fusion tube main part fit precision.
Above-mentioned fusion tube main part includes：Molten cap, upper link, fuse, fusion tube, connection ring, chain female connector, spring, fusion tube
Inwall has macromolecule arc quenching material.
Above-mentioned special fitting part includes breaking-closing operating head, upper end shield, lower end shield, inlet wire silicone tube, outlet silicon
Sebific duct.Top static contact is fixed on leg portion insulating cylinder upper end, and base portion is fixed on insulating cylinder lower end.Upper static contact is with
There is arc quenching material around static contact.
Compared with prior art, the beneficial effects of the invention are as follows：It is totally-enclosed, complete exhausted by using brand-new technical scheme
The design of edge formula, the present invention can reliably be segmented various excessively streams, improve contact performance, mechanical strength, increase auto-lock function.
1. the present invention by product external insulation mainly with high strength glass winding pipe, outside sulphurated siliastic composite wood
Material.The bending strength of winding pipe is greater than 400Mpa, to support whole product and can bear 12.5KA cut-offs intensity.
2. the present invention, as the arc-extinguishing medium of fusion tube, can flow through big electricity by selecting macromolecule arc quenching material in fusion tube
During stream, macromolecule arc quenching material can produce a large amount of gases by arc extinction.
3. the present invention around upper static contact and lower static contact by scribbling arc quenching material, when can effectively contact be separated
The arc extinction of appearance, upper static contact, lower static contact is set not to be influenceed the electric conductivity of the present invention by flash burn.
4. for the present invention by using the pusher separation-and-combination structure of ejection, upper static contact, lower static contact use division bullet
Spring, ejection part, which is effectively ensured, 100% to be separated, and realize the disjunction of large and small electric current.During division, lock pin is automatically locked, only
Fusion tube can be just removed with special division operation stick, because of strong wind or earthquake disaster fusion tube will not be made to come off, prevent fusion tube from dropping
Above to equipment or injure pedestrian by a crashing object, cause security incident.
Brief description of the drawings
Fig. 1 is the structure cut-away view of the present invention.
Fig. 2 is upper static contact part-structure cut-away view of the present invention.
Fig. 3 is leg portion structure cut-away view of the present invention.
Fig. 4 is fusion tube main part structure sectional view of the present invention.
Fig. 5 is base portion structure cut-away view of the present invention.
Reference：Top static contact part 1, base portion 2, leg portion 3, fusion tube main part 4, breaking-closing operating
First 5, upper end shield 6, lower end shield 7, inlet wire silicone tube 8, outlet silicone tube 9, fixed enterprising line terminals 10, compression spring 11, on
Static contact 12, upper insulating cylinder 13, insulating cylinder 14, mounting and fixing bracket 15, enterprising line terminals 16, lower wire end 17, cap 18 is melted,
It is upper link 19, fuse 20, fusion tube 21, connection ring 22, spring 23, chain female connector 24, lower stage clip 25, insulation tube 26, lower static contact 27,
Base 28, lock pin 29, spring 30.
Embodiment
Preferably the present invention is further understood for convenience of those skilled in the art, it is below in conjunction with the accompanying drawings and real
Example is applied to be described further.
The novel outdoor high-voltage fuse assemble sequence of the present invention is followed successively by：
A, top static contact part 1
B, base portion 2
C, mounting column part 3
D, fusion tube main part 4
E, machine debugging.
A. top static contact part 1 is assembled：By compression spring 11, upper static contact 12, upper insulating cylinder 13, in fixation
On input terminal 10.
B. base portion 2 is assembled：Lower stage clip 25 is penetrated into insulation tube 26 again by lower static contact 27 from the other end of insulation tube 26
Penetrate, lower stage clip 25 is fixed, again penetrated above section from lower to upper from base 28, inside is fixed on pivot pin, then will lock
Pin 29 is fixed on both ends below base 28 using jump ring and penetrates spring 30 simultaneously.
C. leg portion 3 is assembled：The top static contact part 1 assembled in advance and base portion 2 are fixed on insulating cylinder
14 upper and lower ends, the compound full skirt inclined-plane of insulating cylinder 14 are upper, and under plane is, the purpose of design is in order to which rainwater, dust are easy to slide
Fall, top static contact part 1 is fixed on the upper end of insulating cylinder 14, and base portion 2 is fixed on the lower end of insulating cylinder 14, wherein requiring exhausted
The assembling of the upper and lower ends of edge cylinder 14 can not have gap when fixed, in order to avoid influence sealing property and the fit precision of fusion tube main part 4.Again
Mounting and fixing bracket 15 is fixed on insulating cylinder 14, be on later stage circuit installation it is fixed used in, wherein upper connecting terminal 16, under
At binding post 17, mounting and fixing bracket 15 3 point-blank.
D. fusion tube main part 4 is assembled：First molten cap 18 is screwed in upper link 19, then is defined by fusion tube 21, by upper link
19th, one end of fusion tube 21 is fixed on, then connection ring 22 is penetrated to the other end of fusion tube 21, spring 23 is passed to, then using the pin that rises
Lower chain female connector 24 is fixed to the lower end of spring 23, prevents connection ring 22 and spring 23 from dropping.
E. machine debugging：Breaking-closing operating first 5 screws in connection ring 22 below fusion tube main part 4, drags whole fusion tube
Main part 4 is incorporated into the lower end of base 28 of mounting seat part 3, smoothly can be moved the connection ring 22 of fusion tube main part 4
Move above the lock pin 29 of base portion 2, and mixed by lock pin 29 to preventing from dropping, first 5 derotation of breaking-closing operating is gone out into connection ring 22
Drop-down is taken out, and whether the enterprising line terminals 16 of re-test are turned on to lower wire end 17, and breaking-closing operating first 5 is just being screwed out into fusion tube master
In body portion connection ring 22, fusion tube main part is smoothly pulled out, machine debugging is completed.Upper end shield 6 is fixed on upper electrostatic
The upper end of contact part 1, lower end shield 7 are fixed on around base portion 2, and spy is with inlet wire silicone tube 8, outlet silicone tube 9, Ke Yiyou
The problem of effect prevents exposed wiring, realizes the design of all insulation.
In use, after overcurrent occurs in circuit, can be fused at fuse 20, the inwall of fusion tube 21 has macromolecule arc extinguishing
Material, a large amount of gases can be produced and blow out electric arc, while compression spring 11, lower stage clip 25 act simultaneously, by fusion tube main part bullet
Go out；There is arc quenching material around upper static contact 12 and lower static contact 27, while arc extinction can be occurred when avoiding contact from separating
Flash burn dynamic/static contact up and down, influence electric conductivity, after fusion tube 21 eject, upper link 19 can be come in connection ring 22,
Prevent fusion tube from dropping on the ground.
Claims (5)
1. novel outdoor high-voltage fuse, including top static contact part（1）, leg portion（3）, fusion tube main part（4）, bottom
Seating portion（2）, in addition to breaking-closing operating head（5）, upper end shield（6）, lower end shield（7）, inlet wire silicone tube（8）, outlet silicon
Sebific duct（9）, top static contact part（1）Including the enterprising line terminals of fixation（10）, compression spring（11）, upper static contact（12）, it is upper absolutely
Edge cylinder（13）, leg portion（3）Including insulating cylinder（14）, mounting and fixing bracket（15）, upper connecting terminal（16）, lower connecting terminal
（17）, fusion tube main part（4）Including melting cap（18）, upper link（19）, fuse（20）Fusion tube（21）, connection ring（22）, link
Set（24）, spring（23）, it is characterised in that fusion tube（21）Inwall has macromolecule arc quenching material, base portion（2）Including：Push
Spring（25）, insulation tube（26）, lower static contact（27）, base（28）, lock pin（29）, spring（30）.
2. according to claim 1, described novel outdoor high-voltage fuse, it is characterised in that：By compression spring（11）, upper static contact
（12）, upper insulating cylinder（13）, installed in the enterprising line terminals of fixation（10）On.
3. according to claim 1, described novel outdoor high-voltage fuse, it is characterised in that：Top static contact part（1）It is fixed
In leg portion（3）Insulating cylinder（14）Upper end, base portion（2）It is fixed on insulating cylinder（14）Lower end.
4. according to claim 1, described novel outdoor high-voltage fuse, it is characterised in that：Upper static contact（12）With lower stationary contact
Head（27）Surrounding has arc quenching material.
5. according to claim 1, described novel outdoor high-voltage fuse, it is characterised in that：Using the division that ejection is pusher
Structure, upper and lower contact use division spring, and ejection part is effectively ensured can be completely separable, realizes the disjunction of large and small electric current；
During division, lock pin（29）It is automatically locked, fusion tube can only be removed with special division operation stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568691.4A CN107633985A (en) | 2016-07-19 | 2016-07-19 | Novel outdoor high-voltage fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610568691.4A CN107633985A (en) | 2016-07-19 | 2016-07-19 | Novel outdoor high-voltage fuse |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107633985A true CN107633985A (en) | 2018-01-26 |
Family
ID=61113390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610568691.4A Pending CN107633985A (en) | 2016-07-19 | 2016-07-19 | Novel outdoor high-voltage fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107633985A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662309A (en) * | 1970-08-28 | 1972-05-09 | Universal Oil Prod Co | Electrical fuseholder |
| CN2184979Y (en) * | 1994-01-25 | 1994-12-07 | 姜德轩 | Small volume ejecting thermal element |
| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN201532923U (en) * | 2009-08-24 | 2010-07-21 | 廊坊北熔电气有限公司 | Separation-type fuse |
| CN103545154A (en) * | 2013-11-04 | 2014-01-29 | 国家电网公司 | Fuse protector |
-
2016
- 2016-07-19 CN CN201610568691.4A patent/CN107633985A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3662309A (en) * | 1970-08-28 | 1972-05-09 | Universal Oil Prod Co | Electrical fuseholder |
| CN2184979Y (en) * | 1994-01-25 | 1994-12-07 | 姜德轩 | Small volume ejecting thermal element |
| CN101635233A (en) * | 2008-07-24 | 2010-01-27 | 上海市电力公司 | Insulating enclosed type pagoda-shaped fuse |
| CN201532923U (en) * | 2009-08-24 | 2010-07-21 | 廊坊北熔电气有限公司 | Separation-type fuse |
| CN103545154A (en) * | 2013-11-04 | 2014-01-29 | 国家电网公司 | Fuse protector |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180126 |
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| WD01 | Invention patent application deemed withdrawn after publication |