CN101320660A - High voltage permanent magnet type drop-out fuse - Google Patents
High voltage permanent magnet type drop-out fuse Download PDFInfo
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- CN101320660A CN101320660A CNA2008101406765A CN200810140676A CN101320660A CN 101320660 A CN101320660 A CN 101320660A CN A2008101406765 A CNA2008101406765 A CN A2008101406765A CN 200810140676 A CN200810140676 A CN 200810140676A CN 101320660 A CN101320660 A CN 101320660A
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- permanent magnet
- high voltage
- copper
- upper bracket
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Abstract
The invention relates to a high voltage distributor, which is a high voltage permanent magnetic type drop fuse. The invention comprises a steel-made upper bracket 5 and a copper-made lower bracket 3, a supporting insulator 1 and a limiting fuse 2 are provided between the steel-made upper bracket 5 and the copper-made lower bracket 3, wherein a shaft 6 is provided on the steel-made upper bracket 5 and installed with a rotatable transmission post 11, the upper end of which is installed with a permanent magnet 13 (or a magnetic conductor); the steel-made upper bracket 5 is installed with the magnetic conductors (or the permanent magnets) 14 corresponding to the permanent magnet 13 (or the magnetic conductor), the magnetic conductors (or the permanent magnets) 14 is are two 14a, 14b. The entire mechanism of the invention is simple and novel in design and saves a lot of copper materials such that the cost of the high voltage fuse apparatus is lowered greatly; the invention has reasonable design and high motion reliability as well as, in particularly, is able to realize the drop of the fuse tube of the limiting or exhaust fuses, the obvious broken point can be observed and explosion force is not produced after the drop, consequently, the protective property of the invention is excellent and no impact is fallen on the entire structure, the invention is secure and reliable as well as long in service life.
Description
Technical field:
The present invention relates to a kind of high voltage power distribution device, particularly a kind of permanent-magnet type high-tension distribution equipment, i.e. high voltage permanent magnet type drop-out fuse.
Background technology:
Existing RW3-RW12 type drop out fuse is a kind of old-fashioned controller switching equipment; because it is simple in structure; its performance can be protected distribution transformer and distribution line branch, short-circuit fault substantially; its price is also cheaper; in the electric utility evolution, play a role; after disconnecting tangible cut-off point is arranged, so be widely used in addition.Yet, because itself there is intrinsic problem in this mechanism and is subjected to various environmental impacts, the operation inconvenience is often arranged, for example repeatedly give and close not in place and damage etc., especially the exhaust fuse is to lean against the gas that makes fusion tube produce crunch under the fault current and arc extinguishing, its active force is very big, whole device is caused damage even damage, and send frightful explosion sound.On the other hand; exhaust drop out fuse melt is in the fusion tube of unimpeded air; fusion tube is under all weather conditions; be subjected to the easy aged deterioration of various factors effect; add the inherent shortcoming of this protection; for example produce overvoltage etc. in the disconnection process sometimes; its protective feature is not ideal enough; therefore adopted the current-limiting type high-tension fuse to increase gradually in recent years; especially various box type transformers mostly adopt the current-limiting fuse of this full guard scope; yet mostly current-limiting fuse is type within doors at present, does not still fall current-limiting type.
Summary of the invention:
The objective of the invention is to overcome the deficiency of existing high pressure drop out fuse technology, and a kind of novel high-tension distribution equipment is provided, be i.e. high voltage permanent magnet type drop-out fuse.Dominant ideas of the present invention are; keeping original high-tension fuse fusing back fusion tube falls and has an advantage of obvious disconnection; fuse can be paid the utmost attention to the employing current-limiting fuse; improve its protective feature; change the actuating mechanism of fuse simultaneously; clash into actuating mechanism after the fuse blows, it becomes another state by a state-transition, and its fuse fusion tube is fallen.The present invention's novelty simple in structure can be saved copper material again.And structure of the present invention can be used on the exhaust fuse equally.
Technical scheme of the present invention is achieved in that a kind of high voltage permanent magnet type drop-out fuse, its structure contains steel upper bracket 5 and copper lower carriage 3,3 of steel upper bracket 5 and copper lower carriages are provided with post insulator 1 and current limliting (or exhaust) fuse 2, wherein, on steel upper bracket 5, be provided with axle 6, rotating drive link 11 is installed on axle 6, the upper end of drive link 11 is equipped with permanent magnet 13 (or magnetic conductor), permanent magnet 13 (or magnetic conductor) and magnetic conductor (or permanent magnet) 14a are installed on the steel upper bracket 5 and permanent magnet (or magnetic conductor) 13 corresponding magnetic conductor (or permanent magnet) 14a and 14b, 14b constitutes the position-limit mechanism of drive link 11.
The present invention can be achieved in that described drive link 11 is that arc and preferred plan are arc drive link.
The present invention can also be achieved in that (and being arranged on the support 5) is equipped with the bistable permanent magnetic actuating mechanism between steel upper bracket 5 and current limliting (or exhaust) fuse 2, the bistable permanent magnetic actuating mechanism is arranged on the permanent magnet 7 on the non magnetic screw rod 8 and is gone up adhesive plate 9a, following adhesive plate 9b formation by non magnetic screw rod 8.
The present invention can also be achieved in that the fuse tube upper end (side) in current limliting (or exhaust) fuse 2 is equipped with spring striker 18, and spring striker 18 is made of the spring of installing in striker 19, housing 20 and the housing 20 21.
The present invention can also be achieved in that an end of copper lower carriage 3 is a hook-shaped, and the fuse tube lower end in current limliting (or exhaust) fuse 2 is provided with copper gudgeon 12, and copper gudgeon 12 is placed in the hook of copper lower carriage 3.
The present invention can also be achieved in that the fuse tube upper side in current limliting (or exhaust) fuse 2 is equipped with promotion and hits plate 23.
Beneficial effect:
High voltage permanent magnet type drop-out fuse of the present invention, entire mechanism simplicity of design and novelty can be saved more copper material, and the high-voltage fuse equipment cost is reduced greatly; The present invention is reasonable in design, and the reliable in action height can realize that especially the fuse tube of current limliting (or exhaust) fuse falls; tangible cut-off point is arranged after the disconnection, and do not produce quick-fried power, make its protective feature good; integral body there is not impact, makes the present invention safe and reliable, long service life.
Description of drawings:
Fig. 1 is that the present invention is provided with the bistable permanent magnetic actuating mechanism and fuse is the organigram of current-limiting fuse.
Fig. 2 is that the present invention is provided with bistable permanent magnetic body action mechanism and fuse is the organigram of exhaust fuse.
Fig. 3 is that the present invention does not establish the bistable permanent magnetic actuating mechanism and fuse is the organigram of current-limiting fuse.
Fig. 4 is that the present invention does not establish the bistable permanent magnetic actuating mechanism and fuse is the organigram of exhaust fuse.
Fig. 5 is spring striker 18 structural representations.
Embodiment:
The present invention is described in further detail below in conjunction with drawings and Examples.
Embodiment 1
As shown in Figure 1, structure of the present invention contains steel (also available copper or other materials certainly, for economizing material, save cost and use steel) upper bracket 5, copper lower carriage 3 (because of the need conduction is done with copper), between steel upper bracket 5 and copper lower carriage 3, be provided with post insulator 1 and current limiting fuse 2, on steel upper bracket 5, be provided with axle 6, rotating drive link 11 is installed on axle 6, drive link 11 is the drive link of arc design, the upper end of drive link 11 is equipped with permanent magnet 13, be equipped with on the steel upper bracket 5 and permanent magnet 13 corresponding magnetic conductors 14, magnetic conductor 14 is magnetic conductor 14a, two of 14b; (and being arranged on the support 5) is equipped with the bistable permanent magnetic actuating mechanism between steel upper bracket 5 and current limiting fuse 2, the bistable state actuating mechanism by non magnetic screw rod 8, be arranged on the permanent magnet 7 on the non magnetic screw rod 8 and go up adhesive plate 9a, adhesive plate 9b constitutes down, last adhesive plate 9a, time adhesive plate 9b can be made by magnetic conductor (for example steel); One end of copper lower carriage 3 becomes hook-shaped, and the fuse tube lower end in the current limiting fuse 2 is provided with the shroud ring 4 with copper gudgeon 12, and copper gudgeon 12 is placed in the hook of copper lower carriage 3, and it is fastening that gudgeon 12 and lower carriage also have shell fragment to be connected, easy conductive; Non magnetic screw rod 8 lower ends are fixed with copper contact green tea produced in Anhui Province 10, combine closely in "on" position and current limiting fuse 2 upper ends, and lead-in wire 17 connects contact green tea produced in Anhui Province 10 and binding post 16a, and 16b also is a binding post.
When fault actions, be arranged on non magnetic screw rod 8 lower ends in the impactor bump bistable permanent magnetic actuating mechanism of current limiting fuse 2 upper ends, make permanent magnet 7 break away from down adhesive plate 9b and with the tight adhesive of last adhesive plate 9a, non magnetic screw rod 8 upper ends are clashed into and are also driven drive link 11 anti-clockwise movements, and the fuse tube of drive link 11 bumps and driving current limiting fuse 2 outwards (right side) moves and falls.
During combined floodgate, promote the fuse tube top shroud ring 15 of current limiting fuse 2 with insulating rod, fuse tube is put in place, fuse tube promotes drive link 11 again to moving clockwise, the upper end of drive link 11 is clashed into non magnetic screw rod 8 again and is moved downward, permanent magnet 7 is broken away from go up adhesive plate 9a and with the tight adhesive of following adhesive plate 9b, reach another stable state.
The magnetic conductor 14a, the 14b that are provided with on permanent magnet 13 that is provided with on the arc drive link 11 and the steel upper bracket 5 constitute the position-limit mechanism of a drive link 11, limit the position of arc drive link 11, drive link 11 is in be out of order or 2 positions of closing a floodgate on.Here explanation a bit is that the material of the magnetic conductor 14a, the 14b that are provided with on the permanent magnet 13 that is provided with on the drive link 11 and the steel upper bracket 5 can correspondingly be exchanged.
As shown in Figure 2, fuse of the present invention is the exhaust current limiting fuse, and its essential structure is identical with embodiment 1.But because the exhaust current limiting fuse itself does not have striker, its fuse tube produces the air pressure of big pressure again after fusing.For addressing this problem, the applicant installs a spring striker 18 in its fuse tube upper side, spring striker 18 constitutes (spring 21 is stage clip) by striker 19, housing 20 and the springs 21 that are installed in the housing 20, striker 19 lower ends are strained with the fuse in the fuse tube and are linked to each other, make spring 21 be in the energy storage state, spring 21 releases energy during fusing, make the lower end of the non magnetic screw rod 8 in the striker 19 bump bistable permanent magnetic actuating mechanisms, accomplish outwards (right side) motion and a series of actions of falling is moved identical with embodiment 1 of fuse tube at last.To reach the work stable state also identical with embodiment 1 action in the present invention during combined floodgate.For making the "on" position contact good, in fuse tube of the present invention upper end moving contact cutter 22a has been installed and has been used with the fixed contact green tea produced in Anhui Province 22b that is installed on the upper bracket 5.The gudgeon 12 of fuse tube lower end can protrude from the fuse tube outside, makes the exhaust of exhaust fuse tube not have influence.
As shown in Figure 3, the design of the bistable state actuating mechanism among the embodiment 1 is removed, other designs are basic identical, just installed in fuse tube upper side of the present invention increase and promoted to hit plate 23.
The striker of the upper end of current limiting fuse 2 directly clashes into and drives drive link 11 and rotates around axle 6 during fault, and drive link 11 bumps promote to hit plate 23, and the fuse tube of current limiting fuse 2 is fallen.During combined floodgate, the fuse tube top shroud ring 15 with insulating bar promotion current limiting fuse 2 puts fuse tube in place, and fuse tube promotes drive link 11 again to moving clockwise, and the position-limit mechanism that utilizes permanent magnet 13 and magnetic conduction iron 14a, 14b to constitute reaches a stable state.
As shown in Figure 4, the design of bistable state actuation mechanism among the embodiment 2 is removed, other designs are basic identical, different is the upper end that spring striker 18 is installed in its fuse tube, installed when promoting to hit plate 23. faults in the upper side increase of fuse tube again, spring striker 18 directly clashes into and drives drive link 11 and rotates around axle 6, and drive link 11 clashes into again and promotes to hit plate 23, and the fuse tube of current limiting fuse 2 is fallen.Feed motion is identical with embodiment 3.
Claims (6)
1, a kind of high voltage permanent magnet type drop-out fuse, its structure contains steel upper bracket (5) and copper lower carriage (3), be provided with post insulator (1) and current limliting (or exhaust) fuse (2) between steel upper bracket (5) and copper lower carriage (3), it is characterized in that, steel upper bracket (5) is provided with axle (6), on the axle (6) rotating drive link (11) is installed, the upper end of drive link (11) is equipped with permanent magnet (13) (or magnetic conductor), be equipped with on the steel upper bracket (5) with the corresponding magnetic conductor (or permanent magnet) of permanent magnet (or magnetic conductor) (13) (14a), (14b), permanent magnet (13) (or magnetic conductor) and magnetic conductor (or permanent magnet) are (14a), (14b) position-limit mechanism of formation drive link (11).
2, a kind of high voltage permanent magnet type drop-out fuse as claimed in claim 1 is characterized in that, drive link (11) is that arc and preferred plan are arc drive link.
3, a kind of high voltage permanent magnet type drop-out fuse as claimed in claim 1, it is characterized in that, (and being arranged on the support (5)) is equipped with the bistable permanent magnetic actuating mechanism between steel upper bracket (5) and current limliting (or exhaust) fuse (2), the bistable permanent magnetic actuating mechanism is arranged on the permanent magnet (7) on the non magnetic screw rod (8) and is gone up adhesive plate (9a), following adhesive plate (9b) formation by non magnetic screw rod (8).
4, a kind of high voltage permanent magnet type drop-out fuse as claimed in claim 1, it is characterized in that, fuse tube upper end (side) in current limliting (or exhaust) fuse (2) is equipped with spring striker (18), and spring striker (18) is made of the spring of installing in striker (19), housing (20) and the housing (20) (21).
5, a kind of high voltage permanent magnet type drop-out fuse as claimed in claim 1, it is characterized in that, one end of copper lower carriage (3) is a hook-shaped, fuse tube lower end in current limliting (or exhaust) fuse (2) is provided with copper gudgeon (12), and copper gudgeon (12) is placed in the hook of copper lower carriage (3).
6, a kind of high voltage permanent magnet type drop-out fuse as claimed in claim 1 is characterized in that, the fuse tube upper side in current limliting (or exhaust) fuse (2) is equipped with and promotes to hit plate (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101406765A CN101320660B (en) | 2008-07-17 | 2008-07-17 | High voltage permanent magnet type drop-out fuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101406765A CN101320660B (en) | 2008-07-17 | 2008-07-17 | High voltage permanent magnet type drop-out fuse |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101320660A true CN101320660A (en) | 2008-12-10 |
| CN101320660B CN101320660B (en) | 2010-10-06 |
Family
ID=40180647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101406765A Expired - Fee Related CN101320660B (en) | 2008-07-17 | 2008-07-17 | High voltage permanent magnet type drop-out fuse |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101320660B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646559A (en) * | 2012-04-11 | 2012-08-22 | 福建省连城县供电有限公司 | Automatic disconnecting device of high-voltage falling type switch |
| CN112038051A (en) * | 2020-09-17 | 2020-12-04 | 山东得胜电力股份有限公司 | Oil well transformer platform is with box that integrates |
| CN116417303A (en) * | 2023-03-21 | 2023-07-11 | 国网山东省电力公司成武县供电公司 | High-voltage intelligent drop-out fuse device and safe gate opening and closing method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052950U (en) * | 1988-11-18 | 1990-02-14 | 乔发明 | Easy pull on outduor drop fuse |
| CN2582157Y (en) * | 2002-11-26 | 2003-10-22 | 丹东电力设备厂 | High-voltage drop fuse |
| CN2631033Y (en) * | 2003-02-13 | 2004-08-04 | 丹东大为电力设备有限公司 | Outdoor alternating-current high-voltage drop-off fuse box |
| CN2624383Y (en) * | 2003-03-25 | 2004-07-07 | 荆州市荆城电业有限公司电力修试分公司 | Power-on fixed contact replacing outdoor falling type fuse |
| CN2919510Y (en) * | 2006-04-27 | 2007-07-04 | 连喜军 | High voltage drop-out type fuse with zero damping |
-
2008
- 2008-07-17 CN CN2008101406765A patent/CN101320660B/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102646559A (en) * | 2012-04-11 | 2012-08-22 | 福建省连城县供电有限公司 | Automatic disconnecting device of high-voltage falling type switch |
| CN102646559B (en) * | 2012-04-11 | 2014-08-13 | 国家电网公司 | Automatic disconnecting device of high-voltage falling type switch |
| CN112038051A (en) * | 2020-09-17 | 2020-12-04 | 山东得胜电力股份有限公司 | Oil well transformer platform is with box that integrates |
| CN116417303A (en) * | 2023-03-21 | 2023-07-11 | 国网山东省电力公司成武县供电公司 | High-voltage intelligent drop-out fuse device and safe gate opening and closing method |
| CN116417303B (en) * | 2023-03-21 | 2023-09-01 | 国网山东省电力公司成武县供电公司 | High-voltage intelligent drop-out fuse device and safe gate opening and closing method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101320660B (en) | 2010-10-06 |
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| SE01 | Entry into force of request for substantive examination | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 Termination date: 20120717 |