CN206524215U - A kind of lightning protection insulator departed from failure with aging identification function - Google Patents

A kind of lightning protection insulator departed from failure with aging identification function Download PDF

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Publication number
CN206524215U
CN206524215U CN201720127252.XU CN201720127252U CN206524215U CN 206524215 U CN206524215 U CN 206524215U CN 201720127252 U CN201720127252 U CN 201720127252U CN 206524215 U CN206524215 U CN 206524215U
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CN
China
Prior art keywords
insulator
lightning protection
support insulator
static contact
connecting rod
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Withdrawn - After Issue
Application number
CN201720127252.XU
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Chinese (zh)
Inventor
邱续东
张多星
郭亚平
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China South Power Grid International Co ltd
Guangzhou Zhongguang Electric Technology Co ltd
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Guangzhou Zhongguang Electronic Technology Co Ltd
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Priority to CN201720127252.XU priority Critical patent/CN206524215U/en
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Publication of CN206524215U publication Critical patent/CN206524215U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

A kind of faulty disengaging of band and the lightning protection insulator of aging identification function, it includes the support insulator of inner hollow, support insulator top surface is provided with clamp gold utensil, the lower section of clamp gold utensil, which is provided with, connects sudden strain of a muscle end, it is fixedly provided with discharging gap, non-linear resistor post and tripping mechanism inside support insulator successively from top to bottom, discharging gap includes Top electrode and the bottom electrode being spaced, Top electrode is electrically connected with connecing sudden strain of a muscle end, bottom electrode is electrically connected with the upper end of non-linear resistor post, and tripping mechanism upper end is connected with lower end electrical connection, lower end and the ground wire of non-linear resistor post.Compared with prior art, the utility model has advantages below:The utility model can be detected because of the power frequency leakage current that aging is produced, and tripping mechanism is acted when power frequency leakage current reaches certain numerical value, and line tripping of taking shelter from the thunder disconnects;The utility model can provide obvious Fault Identification mark, check that outward appearance just can determine whether running status, reduce trouble shooting time by the use of the flagpole provided with cue mark as mark.

Description

A kind of lightning protection insulator departed from failure with aging identification function
Technical field
The utility model is related to insulation subdomains, and in particular to a kind of faulty disengaging of band is lightning-arrest with aging identification function Insulator.
Background technology
The landform of 10kV distribution lines process, landforms are various, just like the complicated network structure as spider web, the insulation water of circuit Flat low, operation maintenance and the power delivery circuit of circuit have larger gap, and power distribution network is easily subject to damage to crops caused by thunder, cause power failure or trip Accident, serious loss is brought to national economy and people's life.According to statistics, the power failure in distribution line caused by damage to crops caused by thunder Accident accounts for the 21.91% of distribution line accident, as China's industrial or agricultural construction flourishes, the increase of transmission & distribution capacitance, to supplying Higher requirement is proposed in terms of electric reliability, simple in circuits are attractive in appearance, it is right in order to ensure the safe and stable operation of power system Distribution line takes effective Lighting Protection Measures to be quite necessary.
Lightning protection insulator is the product for integrating insulator and arrester function, in operation, and lightning protection insulator is usually Built-in arrester is not subject to working voltage, after distribution line is by being struck by lightning, and arrester can decay the amplitude of lightning current And steepness, power frequency continued flow is blocked rapidly, lightning surge is effectively limited, and reaching prevents aerial condutor from being melted because of power frequency continued flow high temperature Disconnected (lightning-caused breaking) or trip, circuit and equipment is obtained more preferable lightning protection.
Existing compound pillar zinc oxide lightning protection insulator is the most frequently used one kind of lightning protection insulator, its by internal clearance group with Zinc oxide resistance sheet, interior electrode are connected in series, outer envelope silastic material, and upper end gold utensil is electrode, lower end installation bolt It is made up of metallic support or wire ground.In long-term use, the main components piezo-resistance of zinc oxide lightning protection insulator Bear operating voltage and bear different amplitudes, the instantaneous lightning surge of pulsewidth, the effect of switching overvoltage, it may occur that electrical resistance The deterioration of energy is down to failure, so as to cause leakage current to increase and safeguard function failure, possible generating device explodes, risen when serious Fire, the permanent lightning fault of formation, and because, without substantially mark, inspection attendant is difficult to find that has damaged takes shelter from the thunder after damage Insulator, the safe operation to distribution line brings hidden danger, it is necessary to be improved.
Utility model content
The purpose of this utility model is to provide the lightning protection insulator of a kind of faulty disengaging of band and aging identification function, to carry The resolution of high failure and aging lightning protection insulator, is easy to inspection attendant to find the lightning protection insulator damaged, and guarantee is matched somebody with somebody The safe operation of netting twine road.
To achieve the above object, the utility model is adopted the technical scheme that:
A kind of faulty disengaging of band and the lightning protection insulator of aging identification function, it includes the post insulator of inner hollow Son, support insulator top surface is provided with clamp gold utensil, and the lower section of clamp gold utensil, which is provided with, to be connect inside sudden strain of a muscle end, support insulator from top to bottom Be fixedly provided with discharging gap, non-linear resistor post and tripping mechanism successively, discharging gap include the Top electrode being spaced and Bottom electrode, Top electrode is electrically connected with connecing sudden strain of a muscle end, and bottom electrode is electrically connected with the upper end of non-linear resistor post, and tripping mechanism includes water The flat upper connecting rod set and lower link, lower link, which is located in the middle part of the lower left of upper connecting rod, upper connecting rod, to be supported on a fulcrum, under The left end of connecting rod is fixedly connected with the right-hand member of dropout spring, and dropout spring left end is fixed on support insulator inwall, lower link Right-hand member and the left end of upper connecting rod be mutually clamped by having contact with, the upper and lower side of lower link is fixed with vertical upper stationary contact respectively It is respectively equipped with head and lower static contact, lower link and touches the upper moving contact of conjunction with upper static contact, touched with lower static contact under conjunction Be fixed with the flagpole provided with cue mark on the left of moving contact, upper moving contact or lower moving contact, support insulator with flagpole pair Answer and through hole is provided with position, upper static contact is fixed with the lower end of non-linear resistor post and electrically connected, fixed above upper connecting rod right-hand member There is heat expansion material metal post, heat expansion material metal post is embedded with heater element, and lower static contact is connected by wire with heater element It is connected again with ground wire afterwards.
The utility model lightning protection insulator has the function that failure departs from and aging is recognized, on the one hand:Lightning protection insulator is received To thunderbolt when, connect dodge terminate to after thunder and lightning cause discharging gap Top electrode and bottom electrode conducting, then thunder and lightning through discharging gap, Ground wire is accessed after non-linear resistor post and tripping mechanism, the heating element generating heat of tripping mechanism make it that heat expansion material metal post is swollen Swollen, the heat expansion material metal post of expansion pushes down on upper connecting rod right-hand member, so that upper connecting rod and lower link break off relations, lower link exists It is moved to the left under the restoring force effect of dropout spring, causes moving contact and static contact to separate, prevent because lightning protection insulator short circuit is made Into dead earth fault;At the same time flagpole is ejected under the drive of dropout spring from the through hole of support insulator, goes out obvious event Barrier identification mark, checks that outward appearance just can determine whether running status, reduces trouble shooting time.On the other hand:Work as lightning protection insulator During normal operation, the leakage current of lightning protection insulator is very small, what heater element was powered off, and tripping mechanism will not be acted;When lightning-arrest The Ageing of Insulators can produce power frequency leakage current to a certain extent, and when power frequency leakage current reaches certain numerical value, the heating of tripping mechanism Element heating expands heat expansion material metal post, and the heat expansion material metal post of expansion pushes down on upper connecting rod right-hand member, so that Upper connecting rod and lower link are broken off relations, and lower link is moved to the left under the restoring force effect of dropout spring, causes moving contact and static contact Separate, prevent the dead earth fault caused by lightning protection insulator short circuit;At the same time flagpole under the drive of dropout spring from pillar The through hole ejection of insulator, ejects obvious Fault Identification mark, checks that outward appearance just can determine whether running status, reduce failure and look into Look for the time.
Further, the heater element is coil resistance.
As a kind of improvement of the present utility model, the through hole of the support insulator, which is provided with, is used for dust-proof film, flagpole Left end for tip.Film is used to prevent dust from floaing into support insulator, and the tip of flagpole can wear out film easily.
As a kind of improvement of the present utility model, the support insulator bottom is fixed with steel cap, and steel cap is electrically connected with ground wire Connect, lower static contact is connected in series with heater element, steel cap successively by wire.
As a kind of improvement of the present utility model, the clamp gold utensil includes the groove for being located at support insulator top surface, recessed Cover plate is covered with above groove, cover plate is bolted to connection in the both sides of groove, connects and dodge end for positioned at the metal of groove floor Conducting strip.Wire is placed in groove and covers fixation by cover plate.
Compared with prior art, the utility model has advantages below:
1st, the utility model both plays a part of supporting wire, while the power frequency continued flow of lightning current can be limited, serves anti- The only effect of lightning-caused breaking, line tripping;
2nd, the utility model can be detected because of the power frequency leakage current that aging is produced, and is taken off when power frequency leakage current reaches certain numerical value Buckle mechanism is acted, and line tripping of taking shelter from the thunder disconnects.
3rd, the utility model can provide obvious Fault Identification mark by the use of the flagpole provided with cue mark as mark, Check that outward appearance just can determine whether running status, reduce trouble shooting time.
Brief description of the drawings
Fig. 1 is the schematic diagram of the lightning protection insulator of the faulty disengaging of the utility model band and aging identification function;
Fig. 2 is the structure of the lightning protection insulator tripping mechanism of the faulty disengaging of the utility model band and aging identification function Figure.
Embodiment
Content of the present utility model is described in further details with reference to the accompanying drawings and detailed description.It is appreciated that , specific embodiment described herein is used only for explaining the utility model, rather than limits of the present utility model.In addition It should also be noted that, for the ease of description, the part related to the utility model rather than full content are illustrate only in accompanying drawing.
Embodiment
Referring to Fig.1 and 2, the lightning protection insulator of a kind of faulty disengaging of band and aging identification function, it includes inside Hollow support insulator 1, the top surface of support insulator 1 is provided with clamp gold utensil 2, and the lower section of clamp gold utensil 2 is propped up provided with sudden strain of a muscle end 3 is connect It is fixedly provided with discharging gap 4, non-linear resistor post 5 and tripping mechanism 6 inside post insulator 1 successively from top to bottom.
Discharging gap 4 includes Top electrode 41 and the bottom electrode 42 being spaced, and Top electrode 41 is electrically connected with connecing sudden strain of a muscle end 3, lower electricity Pole 42 is electrically connected with the upper end of non-linear resistor post 5.
Tripping mechanism 6 includes horizontally disposed upper connecting rod 601 and lower link 602, and lower link 602 is located at upper connecting rod 601 Lower left, the middle part of upper connecting rod 601 is supported on a fulcrum, and the left end of lower link 602 is fixed with the right-hand member of dropout spring 605 to be connected Connect, the left end of dropout spring 605 is fixed on the inwall of support insulator 1, the right-hand member of lower link 602 leads to the left end of upper connecting rod 601 Cross to have contact with and be mutually clamped, the upper and lower side of lower link 602 is fixed with vertical upper static contact 603 and lower static contact 604 respectively, It is respectively equipped with lower link 603 and touches the upper moving contact 606 of conjunction with upper static contact 603, the lower dynamic of conjunction is touched with lower static contact 604 Contact 607, the left side of upper moving contact 606 is fixed with the flagpole 608 provided with cue mark, support insulator 1 with 608 pairs of flagpole Answer and through hole 601 is provided with position, upper static contact 603 is fixed with the lower end of non-linear resistor post 5 and electrically connected, and upper connecting rod 601 is right End is fixedly arranged above heat expansion material metal post 609, and heat expansion material metal post 609 is embedded with heater element 610, lower static contact 604 It is connected again with ground wire 9 after being connected by wire with heater element 610.When the right-hand member of upper connecting rod 601 is downward by swollen material metal post 609 During pushing, have contact with disengagement between the right-hand member of lower link 602 and the left end of upper connecting rod 601.
In the present embodiment, for the flagpole provided with cue mark, described cue mark can be the coloured silk being coated on flagpole Color coating, the color of the coloured coating can be single obvious color, for example:The color such as red, blue, yellow, green, clear, purple, It can also be the color of above-mentioned single color combination.
Specifically, the bottom of support insulator 1 is fixed with steel cap 7, and steel cap 7 is electrically connected with ground wire 9, and lower static contact 604 passes through Wire is connected in series with heater element 610, steel cap 7 successively.
Wherein, the heater element 610 is coil resistance.
In the present embodiment, the clamp gold utensil 2 includes the groove 21 for being located at support insulator top surface, the upper cover of groove 21 Conjunction has cover plate 22, and cover plate 22 is fixedly connected on the both sides of groove 21 by bolt 23, connects and dodges end 3 for positioned at the gold of the bottom surface of groove 21 Belong to conducting strip.Wire is placed in groove and covers fixation by cover plate.
In the utility model one embodiment, the through hole 11 of support insulator 1, which is provided with, is used for dust-proof film 8, flagpole 608 left end is tip.Film is used to prevent dust from floaing into support insulator, and the tip of flagpole can wear out thin easily Film.
The utility model lightning protection insulator has the function that failure departs from and aging is recognized, on the one hand:Lightning protection insulator is received To thunderbolt when, connect dodge terminate to after thunder and lightning cause discharging gap Top electrode and bottom electrode conducting, then thunder and lightning through discharging gap, Ground wire is accessed after non-linear resistor post and tripping mechanism, the heating element generating heat of tripping mechanism make it that heat expansion material metal post is swollen Swollen, the heat expansion material metal post of expansion pushes down on upper connecting rod right-hand member, so that upper connecting rod and lower link break off relations, lower link exists It is moved to the left under the restoring force effect of dropout spring, causes moving contact and static contact to separate, prevent because lightning protection insulator short circuit is made Into dead earth fault;At the same time flagpole is ejected under the drive of dropout spring from the through hole of support insulator, and ejection is obvious Fault Identification is marked, and is checked that outward appearance just can determine whether running status, is reduced trouble shooting time.On the other hand:When lightning-arrest insulation During sub normal operation, the leakage current of lightning protection insulator is very small, what heater element was powered off, and tripping mechanism will not be acted;When keeping away Thunder the Ageing of Insulators can produce power frequency leakage current to a certain extent, and when power frequency leakage current reaches certain numerical value, the hair of tripping mechanism Thermal element heating expands heat expansion material metal post, and the heat expansion material metal post of expansion pushes down on upper connecting rod right-hand member, so that Obtain upper connecting rod and lower link breaks off relations, lower link is moved to the left under the restoring force effect of dropout spring, causes moving contact and stationary contact Head is separated, and prevents the dead earth fault caused by lightning protection insulator short circuit;At the same time flagpole under the drive of dropout spring from branch The through hole ejection of post insulator, ejects obvious Fault Identification mark, checks that outward appearance just can determine whether running status, reduce failure The lookup time.
In summary, the utility model is provided with tripping mechanism in lightning protection insulator, is behave excellently by tripping mechanism ejection Color flagpole, ejects obvious Fault Identification mark, checks that outward appearance just can determine whether running status, reduce trouble shooting time, because This compared with prior art, the utility model has advantages below:
1st, the utility model both plays a part of supporting wire, while the power frequency continued flow of lightning current can be limited, serves anti- The only effect of lightning-caused breaking, line tripping;
2nd, the utility model can be detected because of the power frequency leakage current that aging is produced, and is taken off when power frequency leakage current reaches certain numerical value Buckle mechanism is acted, and line tripping of taking shelter from the thunder disconnects.
3rd, the utility model can provide obvious Fault Identification mark by the use of the flagpole provided with cue mark as mark, Check that outward appearance just can determine whether running status, reduce trouble shooting time.
Above-listed detailed description is illustrating for the utility model possible embodiments, and the embodiment is simultaneously not used to limitation The scope of the claims of the present utility model, all equivalence enforcements or change without departing from carried out by the utility model are intended to be limited solely by this case In the scope of the claims.

Claims (5)

1. a kind of faulty disengaging of band and the lightning protection insulator of aging identification function, include the support insulator of inner hollow, its It is characterised by:Support insulator top surface is provided with clamp gold utensil, the lower section of clamp gold utensil provided with connect inside sudden strain of a muscle end, support insulator by Top to bottm is fixedly provided with discharging gap, non-linear resistor post and tripping mechanism successively, and discharging gap is upper including what is be spaced Electrode and bottom electrode, Top electrode are electrically connected with connecing sudden strain of a muscle end, and bottom electrode is electrically connected with the upper end of non-linear resistor post, tripping mechanism Including horizontally disposed upper connecting rod and lower link, lower link, which is located in the middle part of the lower left of upper connecting rod, upper connecting rod, is supported on one On point, the left end of lower link is fixedly connected with the right-hand member of dropout spring, and dropout spring left end is fixed on support insulator inwall, The right-hand member of lower link and the left end of upper connecting rod are mutually clamped by having contact with, and the upper and lower side of lower link is fixed with vertical respectively It is respectively equipped with upper static contact and lower static contact, lower link and touches the upper moving contact of conjunction with upper static contact, touched with lower static contact Be fixed with the flagpole provided with cue mark on the left of the lower moving contact of conjunction, upper moving contact or lower moving contact, support insulator with Through hole is provided with flagpole correspondence position, upper static contact is fixed with the lower end of non-linear resistor post and electrically connected, on upper connecting rod right-hand member Side is fixed with heat expansion material metal post, and heat expansion material metal post is embedded with heater element, and lower static contact passes through wire and heating member It is connected again with ground wire after part series connection.
2. the faulty disengaging of band according to claim 1 and the lightning protection insulator of aging identification function, it is characterised in that:Institute Heater element is stated for coil resistance.
3. the faulty disengaging of band according to claim 1 and the lightning protection insulator of aging identification function, it is characterised in that:Institute The through hole for stating support insulator is provided with for dust-proof film, and the left end of flagpole is tip.
4. the faulty disengaging of band according to claim 1 and the lightning protection insulator of aging identification function, it is characterised in that:Institute State support insulator bottom and be fixed with steel cap, steel cap with being electrically connected to ground, lower static contact by wire successively with heater element, steel Cap is connected in series.
5. the faulty disengaging of band according to claim 1 and the lightning protection insulator of aging identification function, it is characterised in that:Institute State and be covered with cover plate above the groove that clamp gold utensil includes being located at support insulator top surface, groove, cover plate is bolted company The both sides of groove are connected on, connects and dodges end for positioned at the metallic conduction piece of groove floor.
CN201720127252.XU 2017-02-13 2017-02-13 A kind of lightning protection insulator departed from failure with aging identification function Withdrawn - After Issue CN206524215U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106847431A (en) * 2017-02-13 2017-06-13 广州中光电子科技有限公司 A kind of lightning protection insulator departed from failure with aging identification function

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106847431A (en) * 2017-02-13 2017-06-13 广州中光电子科技有限公司 A kind of lightning protection insulator departed from failure with aging identification function
CN106847431B (en) * 2017-02-13 2018-06-22 广州中光电气科技有限公司 Lightning-protection insulator with fault separation and aging recognition functions

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GR01 Patent grant
GR01 Patent grant
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Qiu Xudong

Inventor after: Zhang Duoxing

Inventor after: Guo Yaping

Inventor after: Chen Xiaoguo

Inventor after: Li Zhenyu

Inventor after: Ding Zejun

Inventor before: Qiu Xudong

Inventor before: Zhang Duoxing

Inventor before: Guo Yaping

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171106

Address after: 510000 701B building A2, headquarters, economic zone 237, science Avenue, science Avenue, Whampoa District, Guangdong, Guangzhou

Co-patentee after: China South Power Grid International Co.,Ltd.

Patentee after: GUANGZHOU ZHONGGUANG ELECTRONIC TECHNOLOGY Co.,Ltd.

Address before: 510000 701B building A2, headquarters, economic zone 237, science Avenue, science Avenue, Whampoa District, Guangdong, Guangzhou

Patentee before: GUANGZHOU ZHONGGUANG ELECTRONIC TECHNOLOGY Co.,Ltd.

CB03 Change of inventor or designer information

Inventor after: Qiu Xudong

Inventor after: Zhang Duoxing

Inventor after: Guo Yaping

Inventor after: Chen Xiaoguo

Inventor after: Li Zhenyu

Inventor after: Ding Zejun

Inventor before: Qiu Xudong

Inventor before: Zhang Duoxing

Inventor before: Guo Yaping

CB03 Change of inventor or designer information
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20171129

Address after: 510000 science Avenue, Guangzhou high tech Industrial Development Zone, Guangzhou, Guangzhou, Guangdong Province, 701-B

Co-patentee after: China South Power Grid International Co.,Ltd.

Patentee after: GUANGZHOU ZHONGGUANG ELECTRIC TECHNOLOGY Co.,Ltd.

Address before: 510000 701B building A2, headquarters, economic zone 237, science Avenue, science Avenue, Whampoa District, Guangdong, Guangzhou

Patentee before: GUANGZHOU ZHONGGUANG ELECTRONIC TECHNOLOGY Co.,Ltd.

AV01 Patent right actively abandoned
AV01 Patent right actively abandoned
AV01 Patent right actively abandoned

Granted publication date: 20170926

Effective date of abandoning: 20180622

AV01 Patent right actively abandoned

Granted publication date: 20170926

Effective date of abandoning: 20180622