CN103985618A - Anti-electric-discharging silicone fuse protector - Google Patents
Anti-electric-discharging silicone fuse protector Download PDFInfo
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- CN103985618A CN103985618A CN201410199835.4A CN201410199835A CN103985618A CN 103985618 A CN103985618 A CN 103985618A CN 201410199835 A CN201410199835 A CN 201410199835A CN 103985618 A CN103985618 A CN 103985618A
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- fuse
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- fusion tube
- screw rod
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Abstract
The invention discloses an anti-electric-discharging silicone fuse protector, and relates to the technical field of safety protection tools for electric power facilities. The fuse protector comprises a fuse tube, a fuse wire and a pull wire, wherein one end of the pull wire is connected with the portion, below a fuse body in the fuse tube, of the fuse wire, and the other end of the pull wire is connected with an iron pendant or a tension spring arranged outside the fuse tube. A break of the fuse wire can be pulled out by the iron pendant after the fuse wire in the fuse protector is fused, instead of discharging in the fuse tube to burn up the fuse tube.
Description
Technical field
The present invention relates to electric power facility security protection technical field of tools.
Background technology
In service at rural power grids, the situation that rural area change platform breaks down happens occasionally, more obvious when irrigation and drainage peak especially.When breaking down, need to fuse by high-voltage drop fuse failure transformer is out of service.After transformer fault is eliminated, only need the fuse of changing in high-voltage drop fuse to put into operation.
Becoming the conventional high-voltage drop fuse of platform is at present silica gel fuse, when breaking down, melt on its internal fuse can fuse, thereby eliminate danger, but after the fusing of silica gel fused mass of fuse, fusion tube majority can not disconnect voluntarily, its two sections fuse broken end close together after disconnecting, both are easy to discharge in fusion tube, finally cause that fusion tube is on fire to be burnt.The silica gel fuse now using in rural power grids reaches several thousand, account for 85% of total high-voltage drop fuse, take irrigation and drainage peak period in 2010 is example, and what fuse burnt fusion tube approximately has 585, fusion tube is dozens of yuan at least, and to fusion tube, a large amount of replacings has increased the expenditure of fee of material widely.
So for the problems referred to above, need now a kind of can be by the fuse broken end disconnecting after melt fusing the instrument from pulling out in fusion tube.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of anti-discharge silica gel fuse, and the fuse broken end after fusing of the fuse in this fuse can be pulled out by pendant iron, can in fusion tube, not discharge and cause fusion tube to burn.
For addressing the above problem the technical scheme that the present invention takes, be: a kind of anti-discharge silica gel fuse is provided, comprise fusion tube, fuse, also comprise bracing wire, described bracing wire one end is connected with the fuse below melt in fusion tube, and the other end is connected with pendant iron or the extension spring of fusion tube outside.
Preferably, described pendant iron is cylindric, is provided with the screwed hole that is communicated with its endoporus on the arc outer wall of pendant iron, is installed with suitable screw rod in screwed hole.
Preferably, on the hole wall of endoporus, be provided with groove, the groove bottom of described groove is the positive stop end that the inside rotation of screw rod is advanced, and is also provided with the wire hole that is communicated with pendant iron both ends of the surface and passes groove vallecular cavity on pendant iron.
Preferably, the cross section of described groove is circular and its diameter equates with screwed hole aperture, and the groove bottom of described groove is vertical with the direction that screw rod rotation is advanced.
Preferably, the groove bottom of described wire hole and groove is tangent.
Adopt the beneficial effect that technique scheme produces to be: the bracing wire being connected by the fuse with below melt under the effect of pendant iron gravity during melt fusing that this fuse can be on fuse is pulled out fusion tube by the fuse broken end of bottom, prevent that two fuse broken ends from discharging fusion tube is burnt in fusion tube, this pendant iron is cylindrical shape, cylindrical shell is provided with wire hole, first the fuse of melt bottom in fusion tube is connected with bracing wire before use, then the bracing wire other end is passed to the wire hole on pendant iron, and pass from the pendant iron other end, then at traversing through end, tie a knot, make node be greater than the diameter of wire hole, bracing wire just can not skid off from pendant iron like this, on pendant iron, be provided with screwed hole in addition, and penetrate screw rod, turn screw rod, screw rod moves inward, the bottom of final screw rod and falling together with groove groove bottom in iron withstands on, because wire hole is through groove, the bottom of screw rod is just fixed bracing wire like this, thereby it is dual fixing that bracing wire has been had, bracing wire can not skidded off in wire hole, after melt fusing in fusion tube, can under pendant iron Action of Gravity Field, by the effect of pullling of bracing wire, broken end under fuse be pulled out.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation:
Fig. 1 structural representation of the present invention;
Fig. 2 falls the structural representation of iron in Fig. 1;
Fig. 3 is the front view of Fig. 2;
Fig. 4 be Fig. 3 at A-A to cutaway view.
Wherein, 1, pendant iron, 2, endoporus, 3, screw rod, 4, groove, 5, wire hole, 6, bracing wire, 7, fusion tube, 8, melt, 9, fuse.
Embodiment
An anti-discharge silica gel fuse, comprises fusion tube 7, fuse 9, also comprises bracing wire 6, and described bracing wire 6 one end are connected with the fuse 9 of the interior melt of fusion tube 7 below 8, and the other end is connected with pendant iron 1 or the extension spring of fusion tube 7 outsides.
Described pendant iron 1 is cylindric, is provided with the screwed hole that is communicated with its endoporus 2 on the arc outer wall of pendant iron 1, is installed with suitable screw rod 3 in screwed hole.
On the hole wall of endoporus 2, be provided with groove 4, the groove bottom of described groove 4 is the positive stop end that the inside rotation of screw rod 3 is advanced, and is also provided with the wire hole 5 that is communicated with pendant iron 1 both ends of the surface and passes groove 4 vallecular cavities on pendant iron 1.
The cross section of described groove 4 is circular and its diameter equates with screwed hole aperture, and the groove bottom of described groove 4 is vertical with the direction that screw rod 3 rotations are advanced.Described wire hole 5 is tangent with the groove bottom of groove 4.
The method of operation of this fuse assembling is, before fuse 9 in fusion tube 7 is installed, first use a bracing wire 6, approximately 20 centimeter length, bracing wire 6 is screwed in and needs 9 times 10 centimetres of left and right of the fuse of new clothes, be positioned at the bottom of melt 8, then both are penetrated in fusion tube 7 simultaneously, through after fusion tube 7, title spring position is adjusted, again fuse 9 two ends are fixed in fusion tube 7, 6 of bracing wires contact on one point with fuse 9, the other end of bracing wire 6 is passed to the rear installation pendant of fusion tube 7 iron 1, bracing wire 6 is passed to the wire hole 5 on pendant iron 1, and pass knotting from the other end of wire hole 5, node is greater than the diameter of wire hole 5, bracing wire 6 can not skidded off, in addition screw rod 3 is screwed into from screwed hole, inwardly march to positive stop end, it is the groove bottom of the groove 4 on endoporus 2 hole walls, groove bottom is withstood, because wire hole 5 is through groove 4, so the vallecular cavity of groove 4 is also passed through in bracing wire 6, and contact with groove bottom, when screw rod 3 is screwed into downwards, compression is just withstood by bracing wire 6 in the bottom of screw rod 3, so just, be provided with and prevent the double insurance of bracing wire 6 from skidding off in wire hole 5.
The vallecular cavity of groove 4 is round pie, and its diameter equals screwed hole aperture, and aligns with screw rod 3, and when screw rod 3 is inwardly screwed into, the groove bottom of groove 4 can just in time be withstood in screw rod 3 ends, and bracing wire 6 is pushed.
The present invention can produce useful technological progress, this fuse can be on fuse melt fusing time the bracing wire that is connected by the fuse with below melt under the effect of pendant iron gravity the fuse broken end of bottom is pulled out to fusion tube, prevent that two fuse broken ends from discharging fusion tube is burnt in fusion tube, this pendant iron is cylindrical shape, cylindrical shell is provided with wire hole, first the fuse of melt bottom in fusion tube is connected with bracing wire before use, then the bracing wire other end is passed to the wire hole on pendant iron, and pass from the pendant iron other end, then at traversing through end, tie a knot, make node be greater than the diameter of wire hole, bracing wire just can not skid off from pendant iron like this, on pendant iron, be provided with screwed hole in addition, and penetrate screw rod, turn screw rod, screw rod moves inward, the bottom of final screw rod and falling together with groove groove bottom in iron withstands on, because wire hole is through groove, the bottom of screw rod is just fixed bracing wire like this, thereby it is dual fixing that bracing wire has been had, bracing wire can not skidded off in wire hole, after melt fusing in fusion tube, can under pendant iron Action of Gravity Field, by the effect of pullling of bracing wire, broken end under fuse be pulled out.
Claims (5)
1. an anti-discharge silica gel fuse, comprise fusion tube (7), fuse (9), it is characterized in that: also comprise bracing wire (6), described bracing wire (6) one end is connected with the following fuse (9) of the interior melt of fusion tube (7) (8), and other end pendant iron (1) or the extension spring outside with fusion tube (7) is connected.
2. anti-discharge silica gel fuse according to claim 1, is characterized in that: described pendant iron (1) is cylindric, is provided with the screwed hole that is communicated with its endoporus (2) on the arc outer wall of pendant iron (1), is installed with suitable screw rod (3) in screwed hole.
3. anti-discharge silica gel fuse according to claim 2, it is characterized in that: on the hole wall of endoporus (2), be provided with groove (4), the groove bottom of described groove (4) is the positive stop end that the inside rotation of screw rod (3) is advanced, and is also provided with the wire hole (5) that is communicated with pendant iron (1) both ends of the surface and passes groove (4) vallecular cavity on pendant iron (1).
4. anti-discharge silica gel fuse according to claim 3, is characterized in that: the cross section of described groove (4) is circular and its diameter equates with screwed hole aperture, and the groove bottom of described groove (4) is vertical with the direction that screw rod (3) rotation is advanced.
5. anti-discharge silica gel fuse according to claim 4, is characterized in that: described wire hole (5) is tangent with the groove bottom of groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199835.4A CN103985618A (en) | 2014-05-13 | 2014-05-13 | Anti-electric-discharging silicone fuse protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410199835.4A CN103985618A (en) | 2014-05-13 | 2014-05-13 | Anti-electric-discharging silicone fuse protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103985618A true CN103985618A (en) | 2014-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410199835.4A Pending CN103985618A (en) | 2014-05-13 | 2014-05-13 | Anti-electric-discharging silicone fuse protector |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300914A (en) * | 1991-01-23 | 1994-04-05 | Cooper Power Systems, Inc. | Dropout expulsion fuse |
| CN2819458Y (en) * | 2005-08-08 | 2006-09-20 | 绍兴电力局 | Single vacuum fuse for protecting parallel high-voltage capacitors |
| CN101071703A (en) * | 2007-04-03 | 2007-11-14 | 赵海洋 | Enclosed plug-type high voltage fuse device |
| CN202855687U (en) * | 2012-09-20 | 2013-04-03 | 保定供电公司 | Fuse sagging device of drop type fuse |
| CN203312225U (en) * | 2013-06-25 | 2013-11-27 | 苏州力特奥维斯保险丝有限公司 | Tubular fuse fused safely under high voltage |
| CN203826326U (en) * | 2014-05-13 | 2014-09-10 | 国家电网公司 | Anti-discharge silica gel fuse |
-
2014
- 2014-05-13 CN CN201410199835.4A patent/CN103985618A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300914A (en) * | 1991-01-23 | 1994-04-05 | Cooper Power Systems, Inc. | Dropout expulsion fuse |
| CN2819458Y (en) * | 2005-08-08 | 2006-09-20 | 绍兴电力局 | Single vacuum fuse for protecting parallel high-voltage capacitors |
| CN101071703A (en) * | 2007-04-03 | 2007-11-14 | 赵海洋 | Enclosed plug-type high voltage fuse device |
| CN202855687U (en) * | 2012-09-20 | 2013-04-03 | 保定供电公司 | Fuse sagging device of drop type fuse |
| CN203312225U (en) * | 2013-06-25 | 2013-11-27 | 苏州力特奥维斯保险丝有限公司 | Tubular fuse fused safely under high voltage |
| CN203826326U (en) * | 2014-05-13 | 2014-09-10 | 国家电网公司 | Anti-discharge silica gel fuse |
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Application publication date: 20140813 |