CN201489932U - Falling type arrester - Google Patents
Falling type arrester Download PDFInfo
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- CN201489932U CN201489932U CN2009201754392U CN200920175439U CN201489932U CN 201489932 U CN201489932 U CN 201489932U CN 2009201754392 U CN2009201754392 U CN 2009201754392U CN 200920175439 U CN200920175439 U CN 200920175439U CN 201489932 U CN201489932 U CN 201489932U
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- lightning arrester
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Abstract
The utility model relates to a falling type arrester, comprising a falling type frame, an arrester unit and a thermal explosion type detachment device; the thermal explosion type detachment device comprises a trigger unit, a discharging gap, a soft metal line, a spring and an energy element, the trigger unit is arranged below the spring, the energy element is adjacent to the trigger unit, and the soft metal line is connected at the lower end of the arrester unit; the falling type arrester has the advantages of stable operation, rapid and reliable falling action when in failure, no line tripping, being easy to observe and being convenient for replacing the arrester unit and the like.
Description
Technical field
Utility model relates to a kind of arrester device.
Background technology
Lightning arrester is the important overvoltage protection of electric power system, will cause line tripping and damage power transmission and transforming equipment once occur damaging; And because lightning arrester regular maintenance and damage back dismounting also will have a power failure; All can cause huge direct and indirect economic loss every year.So how to make line outage out of service and unlikely automatically after the lightning arrester fault, can find the lightning arrester of fault easily and can not have a power failure and change easily, be to need the further problem of research at present.
Constantly there were the device research and development of various novel lightning arresters to use in recent years, denomination of invention is " a detached type lightning arrester ", the patent No. is: the Chinese utility model patent of ZL00220510.6 has been introduced a kind of arrester device, it is characterized in that adopting porcelain vase pillar two ends that upper and lower static contact is installed fixes with the lightning arrester of going up lower moving contact, have and can adopt insulating bar under situation about not having a power failure, to load and unload its lightning arrester advantage partly, but when having fault lightning arrester can not break away from automatically, shortcoming such as the difficult discovery of fault lightning arrester.Denomination of invention is " a drop type lightning arrester ", the patent No. is: the Chinese utility model patent of ZL01218207.9 has been introduced a kind of drop type lightning arrester, it is characterized in that being equipped with on the lightning arrester body fault release, in case electrical network is struck by lightning, heavy current generation high temperature makes the alloy melting between fault release and the lightning arrester body, release breaks away from and causes lightning arrester body and come off the advantage that comes off automatically when having thunderbolt from a fixed support; But normal lightning arrester should not break away from operation when thunderbolt, and should break away from operation before the thermal runaway of lightning arrester deterioration, therefore should invent easy misoperation, and break away from slow motion, easily causes line tripping.Generally speaking, all there are some problems in present release unit both domestic and external, has certain limitation.
The utility model content
Technical problem to be solved in the utility model is, above-mentioned defective at prior art, a kind of lightning arrester is provided, when normal operation of lightning arrester and experience thunderbolt, play the superpotential effect of revealing, can break away from operation automatically when before the thermal runaway of lightning arrester deterioration or because of interior insulation decline, causing internal flashover and not cause line tripping, and the lightning arrester that breaks down is found easily, is convenient to charged for replacement simultaneously.
The technical solution adopted in the utility model is:
A kind of drop type lightning arrester, comprise drop type framework, lightning arrester unit, heat explosion type disconnector, described heat explosion type disconnector comprises trigger element, discharging gap, soft annealed wire, spring and energy element, trigger element is positioned at the spring below, energy element and trigger element are adjacent, and described soft annealed wire is connected lower end, lightning arrester unit.
Wherein, described trigger element includes a resistor disc, and it is adjacent with described energy element.
Wherein, described trigger element includes mica sheet and shunt capacitance, and described mica sheet is positioned at described spring below and adjacent with the energy element, and described shunt capacitance and described discharging gap are the parallel circuits structure.
Wherein, described trigger element includes a conductive silicon rubber resistor, and described electric silicon rubber resistor is positioned at described spring below and adjacent with the energy element.
Wherein, described heat explosion type disconnector also includes a plastic casing.
Wherein, in the middle of the described drop type framework is an insulation column, the lower end is a mounting bracket, the front end of mounting bracket is equipped with the gudgeon cover, the upper end of drop type framework is a fixed contact assembly, and this fixed contact assembly mainly is made up of conductive pressing plate, spring, cover plate, fixed head, striking guide angle and binding post.
Wherein, inside, described lightning arrester unit is metal oxide resistance, and the resistor disc two ends are the metal electrode of band screw, and the periphery of resistor disc and metal electrode is wound with no latitude band, and the outside of no latitude band is surrounded by the silastic material of band full skirt.
Wherein, the metal contact of upper end, described lightning arrester unit is connected with lightning arrester upper end metal electrode by bolt, and the outside of metal contact has a draw ring.
Wherein, entertain the hinge type anchor ear of a flexible on the umbrella cover of lower end, described lightning arrester unit, the lower end of hinge type anchor ear has a trigger button, the trigger button upwards can fasten the hinge type anchor ear makes it can not warpage, a torsion spring is equipped with in the inboard of trigger button, and this torsion spring has the torsion that makes the trigger button downward.
As mentioned above as can be known, have the utility model drop type lightning arrester of said structure characteristics, compared with the prior art, the advantage that has is:
(1), owing to adopted the heat explosion type disconnector, Analyse of Reject-acting Arrester when normal operation; When meeting with lightning overvoltage or switching overvoltage, lightning arrester and disconnector discharge the overvoltage energy, play the effect of protection circuit and equipment; This lightning arrester can frequently move under the fault current the unskilled labourer, can move surpassing under the power frequency fault current of 2A again, and responsiveness is exceedingly fast, and lightning arrester turns over the release operation, does not cause line tripping.
(2), detachable lightning arrester unit turns over reversal of the natural order of things on the drop type framework during fault, observe easily and find.
(3), the metal contact of the detachable lightning arrester unit outside has a draw ring, is convenient to change the lightning arrester unit.
(4), a striking guide angle is arranged in the fixed contact assembly of drop type framework upper end, detachable lightning arrester unit more can be pushed in the fixed contact exactly, and reduced the generation that pushes or pull out electric arc in the process.
Description of drawings
Fig. 1 is the structural representation of the utility model drop type lightning arrester one embodiment;
Fig. 2 is the outward appearance front view of Fig. 1;
Fig. 3 is the structural representation of the utility model drop type lightning arrester drop type framework;
Fig. 4 is the assembling schematic diagram of the utility model drop type lightning arrester detachable lightning arrester unit and heat explosion type disconnector;
Fig. 5 is the utility model drop type lightning arrester heat explosion type disconnector structural representation;
Fig. 6 is the heat explosion type disconnector structural representation of another embodiment of the utility model drop type lightning arrester;
Fig. 7 is the heat explosion type disconnector structural representation of the another embodiment of the utility model drop type lightning arrester;
Action schematic diagram when Fig. 8 and Fig. 9 are the utility model drop type lightning arrester fault.
Embodiment
Now the preferred embodiment shown in conjunction with the accompanying drawings is further described structure of the present utility model.
As seen from Figure 1, Figure 2, the utility model drop type lightning arrester mainly is made up of drop type framework (1), lightning arrester unit (2) and heat explosion type disconnector (3); Wherein, be an insulation column (4) in the middle of the described drop type framework (1), the upper end is a fixed contact assembly (5), and the lower end is a mounting bracket (6), and the front end of mounting bracket (6) is equipped with gudgeon cover (7); Described lightning arrester unit (2) the upper end metal contact (8) by a band draw ring is stuck in the conductive pressing plate (20) of the fixed contact assembly (5) on the drop type framework, the middle part is one to include the polymeric housed metal oxide arrester (9) of metal oxide resistance, and the lower end is fixed in the gudgeon cover (7) of drop type framework lower end by the hinge type anchor ear (10) of a flexible; Described heat explosion type disconnector (3) upper end is connected with this lightning arrester unit, lower end band one soft annealed wire (11) is connected with a bolt (12) on the hinge type anchor ear, and push down a trigger button (14) on the hinge type anchor ear hinge type anchor ear (10) is blocked by the trigger button can not warpage;
As shown in Figure 3, be an insulation column (4) in the middle of the described drop type framework (1), the lower end is a mounting bracket (6), the front end of mounting bracket is equipped with gudgeon cover (7); Drop type framework (1) upper end is a fixed contact assembly (5), and this fixed contact assembly is mainly formed (24) and binding post (25) by conductive pressing plate (20), spring (21), cover plate (22), fixed head (23), striking guide angle.
As shown in Figure 4, inside, described detachable lightning arrester unit (2) is metal oxide resistance (26), the resistor disc two ends are the metal electrode (27) of band screw, and the periphery of resistor disc and metal electrode is wound with no latitude band, and the outside of no latitude band is surrounded by the silastic material (28) of band full skirt; The metal contact (8) of upper end, detachable lightning arrester unit (2) is connected with lightning arrester upper end metal electrode (27) by bolt, and the outside of metal contact (8) has a draw ring (29); Entertain the hinge type anchor ear (10) of a flexible on the umbrella cover of lower end, detachable lightning arrester unit (2), the lower end of hinge type anchor ear (10) has a trigger button (14), the trigger button upwards can fasten hinge type anchor ear (10) makes it can not warpage, a torsion spring (30) is equipped with in the inboard of trigger button (14), and this torsion spring has makes the downward torsion of trigger button (14).
As shown in Figure 5, described heat explosion type disconnector (3) mainly is made of plastic casing (15), energy element (16), resistor disc (17), discharging gap (18), spring (19), soft annealed wire (11).Before lightning arrester degrades to thermal runaway, the merit of passing through electric current increase frequently, adjacent energy element (16) is ignited in interior resistor disc (17) heating of heat explosion type disconnector, realizes disconnector energy action message under unskilled labourer's frequency fault current; The pressure drop of power frequency fault current on resistor disc (17) that surpasses 2A then makes discharging gap (18) discharge, ignites adjacent energy element (16).
As shown in Figure 6, the heat explosion type disconnector (3) of another embodiment mainly is made of plastic casing (15), energy element (16), mica sheet (31), discharging gap (32), shunt capacitance (33), spring (34) and soft annealed wire (11).Shunt capacitance (33) and discharging gap (32) are circuit structure in parallel, and when the lightning current of high frequency passed through, shunt capacitance (33) was channel status and discharges overvoltage; The power current that passes through when the lightning arrester fault increases, and shunt capacitance (33) is off state, and discharging gap (32) sends short circuiting arc, ignition energy element (16).
As shown in Figure 7, the heat explosion type disconnector (3) of the another embodiment of the utility model drop type lightning arrester mainly is made of plastic casing (15), energy element (16), discharging gap (35), conductive silicon rubber resistor (36), spring (37) and soft annealed wire (11).Before lightning arrester degrades to thermal runaway, the merit of passing through electric current increase frequently, adjacent energy element (16) is ignited in interior conductive silicon rubber resistor (36) heating of heat explosion type disconnector, realizes disconnector energy action message under unskilled labourer's frequency fault current; The power frequency fault current that surpasses 2A then makes discharging gap (35) discharge in the pressure drop of conductive silicon rubber resistor (36), ignites adjacent energy element (16).
As Fig. 8 and shown in Figure 9, make disconnector plastic casing (15) fracture after energy element (16) is ignited during fault, lower end soft annealed wire (11) comes off, and trigger button (14) unclamps, hinge type anchor ear (10) warpage, lightning arrester unit (2) turn over the release operation.
When lightning overvoltage or switching overvoltage appear in circuit, electric current is guided conductive pressing plate into by the binding post on this utility model drop type lightning arrester fixed contact, again through guiding the heat explosion type disconnector on the lightning arrester unit, guide the hinge type anchor ear into by soft annealed wire again, guide mounting bracket into by the gudgeon cover again, again by earth connection release current energy.Because the high time of lightning overvoltage or switching overvoltage frequency is short, can not trigger energy unit.
The utility model penetration type drop type insulator only illustrates some preferred embodiments in this manual, is not to its restriction.This professional and technical personnel can structurally make various variations or modification according to the present utility model design and spirit, for example increases protective cover outside the heat explosion type disconnector, install wire clamp etc. additional on binding post.Therefore these must belong to protection range of the present utility model.
Claims (9)
1. drop type lightning arrester, comprise drop type framework (1), lightning arrester unit (2), heat explosion type disconnector (3), it is characterized in that: described heat explosion type disconnector (3) comprises trigger element, discharging gap, soft annealed wire (11), spring and energy element, trigger element is positioned at the spring below, energy element and trigger element are adjacent, and described soft annealed wire (11) is connected lower end, lightning arrester unit (2).
2. drop type lightning arrester according to claim 1 is characterized in that, described trigger element includes a resistor disc (17), and described resistor disc (17) is adjacent with described energy element.
3. drop type lightning arrester according to claim 1, it is characterized in that, described trigger element includes mica sheet (31) and shunt capacitance (33), described mica sheet (31) is positioned at described spring below and adjacent with the energy element, and described shunt capacitance (33) and described discharging gap are the parallel circuits structure.
4. drop type lightning arrester according to claim 1 is characterized in that, described trigger element includes a conductive silicon rubber resistor (36), and described electric silicon rubber resistor (36) is positioned at described spring below and adjacent with the energy element.
5. according to claim 1,2,3 or 4 described drop type lightning arresters, it is characterized in that described heat explosion type disconnector (3) also includes a plastic casing (15).
6. drop type lightning arrester according to claim 1, it is characterized in that: in the middle of the described drop type framework (1) is an insulation column (4), the lower end is a mounting bracket (6), the front end of mounting bracket (6) is equipped with gudgeon cover (7), the upper end of drop type framework (1) is a fixed contact assembly (5), and this fixed contact assembly mainly is made up of conductive pressing plate (20), spring (21), cover plate (22), fixed head (23), striking guide angle (24) and binding post (25).
7. drop type lightning arrester according to claim 1, it is characterized in that: described lightning arrester unit (2) is inner to be metal oxide resistance (26), the resistor disc two ends are the metal electrode (27) of band screw, the periphery of resistor disc and metal electrode is wound with no latitude band, and the outside of no latitude band is surrounded by the silastic material (28) of band full skirt.
8. drop type lightning arrester according to claim 1 is characterized in that: the metal contact (8) of upper end, described lightning arrester unit (2) is connected with lightning arrester upper end metal electrode (27) by bolt, and the outside of metal contact (8) has a draw ring (29).
9. drop type lightning arrester according to claim 1, it is characterized in that: the hinge type anchor ear (10) of entertaining a flexible on the umbrella cover of lower end, described lightning arrester unit (2), the lower end of hinge type anchor ear (10) has a trigger button (14), the trigger button upwards can fasten hinge type anchor ear (10) makes it can not warpage, a torsion spring (30) is equipped with in the inboard of trigger button (14), and this torsion spring has makes the downward torsion of trigger button (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201754392U CN201489932U (en) | 2009-08-25 | 2009-08-25 | Falling type arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201754392U CN201489932U (en) | 2009-08-25 | 2009-08-25 | Falling type arrester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489932U true CN201489932U (en) | 2010-05-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201754392U Expired - Fee Related CN201489932U (en) | 2009-08-25 | 2009-08-25 | Falling type arrester |
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| Country | Link |
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| CN (1) | CN201489932U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240877A (en) * | 2013-06-24 | 2014-12-24 | 成都旋极历通信息技术有限公司 | Novel high-efficient arc-extinguishing lightning arrester disconnector |
| CN104332935A (en) * | 2014-11-04 | 2015-02-04 | 广东电网有限责任公司中山供电局 | 10kV distribution network line anti-thunder protection device allowing electrified replacement |
| CN104392810A (en) * | 2014-11-25 | 2015-03-04 | 辽宁华隆电力科技有限公司 | Hot-melting lightning arrester disconnecting mechanism |
| CN106205914A (en) * | 2016-07-06 | 2016-12-07 | 常德威迪电气有限责任公司 | Drop-type arrester |
| CN108257746A (en) * | 2018-04-11 | 2018-07-06 | 固力发电气有限公司 | A kind of drop-type arrester |
| CN112885547A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Drop-out arrester for oil field |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
| WO2024064975A1 (en) * | 2022-09-20 | 2024-03-28 | Anton Van Heerden | Dropout surge arrestor |
-
2009
- 2009-08-25 CN CN2009201754392U patent/CN201489932U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104240877A (en) * | 2013-06-24 | 2014-12-24 | 成都旋极历通信息技术有限公司 | Novel high-efficient arc-extinguishing lightning arrester disconnector |
| CN104332935A (en) * | 2014-11-04 | 2015-02-04 | 广东电网有限责任公司中山供电局 | 10kV distribution network line anti-thunder protection device allowing electrified replacement |
| CN104332935B (en) * | 2014-11-04 | 2016-08-24 | 广东电网有限责任公司中山供电局 | The 10kV distribution line lightning protection device of energy charged for replacement |
| CN104392810A (en) * | 2014-11-25 | 2015-03-04 | 辽宁华隆电力科技有限公司 | Hot-melting lightning arrester disconnecting mechanism |
| CN104392810B (en) * | 2014-11-25 | 2017-07-21 | 辽宁华隆电力科技股份有限公司 | One kind hot melt arrester releasing mechanism |
| CN106205914A (en) * | 2016-07-06 | 2016-12-07 | 常德威迪电气有限责任公司 | Drop-type arrester |
| CN108257746A (en) * | 2018-04-11 | 2018-07-06 | 固力发电气有限公司 | A kind of drop-type arrester |
| CN108257746B (en) * | 2018-04-11 | 2019-08-20 | 固力发电气有限公司 | A kind of drop-type arrester |
| CN112885547A (en) * | 2021-04-29 | 2021-06-01 | 山东广域科技有限责任公司 | Drop-out arrester for oil field |
| CN114725879A (en) * | 2022-06-08 | 2022-07-08 | 常州瑞禧电力设备有限公司 | External fixed gap drop-out overvoltage protector capable of live working |
| WO2024064975A1 (en) * | 2022-09-20 | 2024-03-28 | Anton Van Heerden | Dropout surge arrestor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20140825 |
|
| EXPY | Termination of patent right or utility model |