CN109473243A - A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester - Google Patents

A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester Download PDF

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Publication number
CN109473243A
CN109473243A CN201810934765.0A CN201810934765A CN109473243A CN 109473243 A CN109473243 A CN 109473243A CN 201810934765 A CN201810934765 A CN 201810934765A CN 109473243 A CN109473243 A CN 109473243A
Authority
CN
China
Prior art keywords
slot
mark
clamp plate
insulator
spring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810934765.0A
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Chinese (zh)
Inventor
钟伟
程军
高山
刘慧�
吴昊
郑文献
徐勇向
张爱祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Xinhuicheng Electric Co Ltd
ZHENGJIANG STED ELECTRONIC CO Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Nanjing Xinhuicheng Electric Co Ltd
ZHENGJIANG STED ELECTRONIC CO Ltd
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Xinhuicheng Electric Co Ltd, ZHENGJIANG STED ELECTRONIC CO Ltd, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Nanjing Xinhuicheng Electric Co Ltd
Priority to CN201810934765.0A priority Critical patent/CN109473243A/en
Publication of CN109473243A publication Critical patent/CN109473243A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12Overvoltage protection resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/01Mounting; Supporting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/16Resistor networks not otherwise provided for
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C7/00Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12Overvoltage protection resistors
    • H01C7/126Means for protecting against excessive pressure or for disconnecting in case of failure

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Insulators (AREA)

Abstract

The present invention relates to power domains, more particularly, to a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester.A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester, including insulator and lightning arrester body, the bottom of insulator is further fixed on mounting bracket, the bottom of lightning arrester body is fixed with insulating support, it is bolted between mounting bracket and insulating support, the top of lightning arrester body is provided with round pressure ring, the bottom of lightning arrester body is connected with trip indicator, trip indicator includes shell, signal detector is provided in shell, detonate slot and logo slot, the closing of the opening of detonation slot and logo slot is fixed with sealing cover, electric cap is provided in detonation slot, mark spring is provided in logo slot, one end of mark spring is connected on the bottom surface of logo slot, the other end of mark spring is connected with mark band.Present invention installation is simple, and singlephase earth fault can be effectively prevented, can remind maintenance in time in the event of a failure.

Description

A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester
Technical field
The present invention relates to power domains, more particularly, to a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester.
Background technique
As power matching network route constantly lengthens, insulating design is popularized, and damage to crops caused by thunder causes line-outage contingency to highlight, after broken string It easily results in personal injury caused by an accident, insulator breakdown accident statistics quantity is also constantly rising, and has seriously threatened distribution network line and has transported safely Row.In transmission line of electricity, arrester is mounted on transmission tower as important overvoltage protection, with line insulator In series and parallel, for limiting the thunder and lightning and switching overvoltage of transmission line of electricity, system reliability of operation is improved.
Many defects existing for lightning-protected product currently on the market, as singlephase earth fault happens occasionally, fault point difficulty is looked for, wears Pierce peeling to the injury of conducting wire, protection is unreliable the problems such as.Existing arrester is mostly not provided with electric shock display device, is meeting with It is consistent with form when not getting shocked after being led to failure by electric shock, lead to not find that arrester has damaged in time, thus band Carry out security risk.
Summary of the invention
For the present invention primarily directed to the above problem, it is simple to provide a kind of installation, and singlephase earth fault can be effectively prevented, Maintenance can be reminded when breaking down in time, stability is good, and annular dropout type tape jam indicator type zinc oxide with long service life is kept away Thunder device.
The purpose of the present invention is mainly to be achieved by following proposal: a kind of annular dropout type tape jam indicator type oxygen Change zinc arrester, including insulator and lightning arrester body, the apical support of the insulator is connected with aerial condutor, described The bottom of insulator is fixed on cross-arm, and the bottom of the insulator is further fixed on mounting bracket, the lightning arrester body Bottom be fixed with insulating support, be bolted between the mounting bracket and insulating support, the arrester sheet The top of body is provided with round pressure ring, and the bottom of the lightning arrester body is connected with trip indicator, the tripping instruction Device includes shell, is provided on the upper surface of the shell for connecting with lightning arrester body and having internal thread connection Hole is provided with signal detector, detonation slot and logo slot in the shell, is provided between the detonation slot and logo slot The opening closing of insulation blocking plate, the detonation slot and logo slot is fixed with sealing cover, is provided in the detonation slot Electric cap is provided with mark spring in the logo slot, and one end of the mark spring is connected on the bottom surface of logo slot, The other end of the mark spring is connected with mark band, and mark band is against on the surface of sealing cover by the mark spring, The sealing cover is provided with the ground lead being connected with mounting bracket.The apical support of insulator is connected with aerial condutor, The bottom of insulator is fixed on cross-arm, and the bottom of insulator is further fixed on mounting bracket, and the bottom of lightning arrester body is fixed with Insulating support is bolted between mounting bracket and insulating support, and the top of lightning arrester body is provided with round pressure ring, circle Shape pressure ring, which is mounted directly, is fixed on lightning arrester body top, and the clearance distance with aerial condutor can be effectively ensured, and guarantees electric discharge road Diameter, not by external environment influence, the bottom of lightning arrester body is connected with trip indicator, and trip indicator includes shell, shell Upper surface on be provided with for internal thread connecting hole to be connect and had with lightning arrester body so that the installation of trip indicator It is very convenient quick, signal detector, detonation slot and logo slot are provided in shell, detonate be provided between slot and logo slot every Opening closing from protection board, detonate slot and logo slot is fixed with sealing cover, is provided with electric cap, signal detection in the slot that detonates Device is electrically connected with electric cap, and mark spring is provided in logo slot, and the one end for identifying spring is connected on the bottom surface of logo slot, mark The other end for knowing spring is connected with mark band, and mark band is against on the surface of sealing cover by mark spring, when lightning arrester body is sent out When raw failure, signal detector can collect fault-current signal, and ignite electric cap, the shock wave that electric cap explosion generates Sealing cover can be washed open, then under the action of identifying the spring force of spring, mark band can drift in outside, remind patrol officer It breaks down herein, so that patrol officer can find fault point within a very short time, to quickly handle, work is greatly decreased The working strength of personnel greatly shortens power off time, and sealing cover is provided with the ground lead being connected with mounting bracket, normal In the case of, when thunder and lightning acts on route, discharge path is accurately positioned by the air gap that conducting wire and round pressure ring are constituted, Then lightning current flows to the earth, to play the work of protection circuit by lightning arrester body, ground lead from mounting bracket With, avoid route because caused by lightning stroke broken string or trip accident, improve route reliability of operation;When lightning arrester body breaks down When, sealing cover is detached from trip indicator, so that failure arrester disconnects by force with system, so that it is guaranteed that single-phase earthing will not occur Failure.
Preferably, the top of the insulator is connect by support device with aerial condutor, the support device Including upper clamp plate and lower clamp plate, it is connected between the upper clamp plate and lower clamp plate by fastening bolt, the lower clamp plate It is provided with damping trough on upper surface, is slidably connected in the damping trough and is provided with damping block, the damping block and damping trough Bottom surface between be connected by damping spring.The top of insulator is connect by support device with aerial condutor, support device Including upper clamp plate and lower clamp plate, it is connected between upper clamp plate and lower clamp plate by fastening bolt, is arranged on the upper surface of lower clamp plate There is damping trough, be slidably connected in damping trough and be provided with damping block, passes through damping spring phase between damping block and the bottom surface of damping trough Connection, during installation, aerial condutor is placed between the damping block on upper clamp plate and lower clamp plate, then by tightening fastening bolt On nut so that upper clamp plate and lower clamp plate clamp aerial condutor, the setting of damping spring can be when aerial condutor be shaken Play the role of certain damping, the connection for enabling aerial condutor more firm is on the insulator.
Preferably, being provided on the surface of the close upper clamp plate side of the damping block and aerial condutor shape phase The lower groove matched is provided with the upper groove matched with lower groove on the lower surface of the upper clamp plate.Damping block close to upper It is provided with the lower groove to match with aerial condutor shape on the surface of clamping plate side, is provided on the lower surface of upper clamp plate under The upper groove that groove matches, upper groove and lower groove form clamp slot, aerial condutor are placed in clamp slot, so that conducting wire is not Easy shift position, stability and safety all greatly improve.
Preferably, the square through hole passed through for fastening bolt is provided on the lower clamp plate, the fastening bolt A Duan Weiyu square through hole in square through hole is compatible rectangular.The side passed through for fastening bolt is provided on lower clamp plate Shape through-hole, it is compatible rectangular that fastening bolt is located at the Duan Weiyu square through hole in square through hole, is put into when by fastening bolt When in through-hole, rectangular section in fastening bolt is bonded the inner wall with square through hole, when tightening the nut in fastening bolt, due to Through-hole be it is rectangular, so fastening bolt will not rotate in through-hole with turning, fastening effect is good, increases operating efficiency.
Preferably, the quantity of the fastening bolt is two, two fastening bolts are distributed in the two sides of damping block.Tightly The quantity of fixing bolt is two, and two fastening bolts are distributed in the two sides of damping block, so that the stability of support device is more preferable, no Easy to fall off, the service life is more long.
Preferably, the mark band is yellow and the alternate reflective waterproof cloth of strip of silver color.Mark band be yellow and The reflective waterproof cloth of the alternate strip of silver color, it is bright-colored, very eye-catching, facilitate patrolman to find in time and handling failure point.
Therefore, a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester of the invention has following advantages: this hair Bright installation is simple, can remind maintenance in time in the event of a failure, stability is good, long service life, the setting energy of trip indicator In lightning arrester body failure, fault current starts buckle releaser, so that failure arrester disconnects by force with system, so that it is guaranteed that It will not occur singlephase earth fault, the design of support device is so that the connection between insulator and aerial condutor is more firm, circle Shape pressure ring, which is mounted directly, is fixed on arrester top, is effectively ensured the clearance distance with aerial condutor, guarantees discharge path, not by External environment influence.
Detailed description of the invention
Attached drawing 1 is a kind of structural schematic diagram of the invention.
Attached drawing 2 is the structural schematic diagram of trip indicator in the present invention.
Attached drawing 3 is the structural schematic diagram of support device in the present invention.
It illustrates: 1- support device, 2- aerial condutor, 3- insulator, 4- cross-arm, 5- mounting bracket, 6- circle pressure ring, 7- lightning arrester body, 8- insulating support, 9- trip indicator, 10- ground lead, 11- shell, 12- electric cap, the inspection of 13- signal Survey device, 14- detonation slot, 15- connecting hole, 16- sealing cover, 17- logo slot, 18- mark spring, 19- mark band, 20- isolation guarantor Backplate, 21- upper groove, 22- lower groove, 23- lower clamp plate, 24- damping trough, 25- upper clamp plate, 26- damping block, 27- damping spring, 28- fastening bolt.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment 1:
As shown in Figure 1, 2, a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester, including insulator 3 and arrester sheet Body 7, the apical support of insulator 3 are connected with aerial condutor 2, and the bottom of insulator 3 is fixed on cross-arm 4, the bottom of insulator 3 It is further fixed on mounting bracket 5, the bottom of lightning arrester body 7 is fixed with insulating support 8, leads between mounting bracket 5 and insulating support 8 It crosses and is bolted, the top of lightning arrester body 7 is provided with round pressure ring 6, and round pressure ring 6, which is mounted directly, is fixed on lightning arrester body The clearance distance with aerial condutor 2 can be effectively ensured in 7 tops, guarantee discharge path, not by external environment influence, arrester sheet The bottom of body 7 is connected with trip indicator 9, and trip indicator 9 includes shell 11, be provided on the upper surface of shell 11 for Lightning arrester body 7 connects and has internal thread connecting hole 15, so that the installation of trip indicator 9 is very convenient quick, shell It is provided with signal detector 13, detonation slot 14 and logo slot 17 in 11, detonates and is provided with isolation guarantor between slot 14 and logo slot 17 The opening closing of backplate 20, detonate slot 14 and logo slot 17 is fixed with sealing cover 16, is provided with electric cap 12 in the slot 14 that detonates, Signal detector 13 is electrically connected with electric cap 12, and mark spring 18, one end connection of mark spring 18 are provided in logo slot 17 On the bottom surface of logo slot 17, the other end of mark spring 18 is connected with mark band 19, and mark band 19 is against by mark spring 18 On the surface of sealing cover 16, when lightning arrester body 7 breaks down, signal detector 13 can collect fault-current signal, And electric cap 12 is ignited, the shock wave that the explosion of electric cap 12 generates can wash sealing cover 16 open, and insulation blocking plate 20 can prevent The impact injury logo slot 17 that the explosion of electric cap 12 generates, then under the action of identifying the spring force of spring 18, mark band 19 It can drift in outside, patrol officer is reminded to break down herein, so that patrol officer can find fault point within a very short time, To quickly handle, the working strength of staff is greatly decreased, greatly shortens power off time, and mark band 19 is in mark bullet Without departing from trip indicator 9 under the action of spring 18, prolonged mark action can be played, mark band 19 is yellow and silver color The reflective waterproof cloth of alternate strip, it is bright-colored, very eye-catching, facilitate patrolman to find in time and handling failure point, sealing cover 16 are provided with the ground lead 10 being connected with mounting bracket 5, under normal circumstances, when thunder and lightning acts on route, pass through Discharge path is accurately positioned in the air gap that conducting wire and round pressure ring 6 are constituted, and lightning current passes through lightning arrester body 7, ground lead 10, the earth is then flowed to from mounting bracket 5, to play the role of protection circuit, avoid route because of broken string caused by lightning stroke or Trip accident improves route reliability of operation;When lightning arrester body 7 breaks down, sealing cover 16 is detached from trip indicator 9, so that failure arrester disconnects by force with system, so that it is guaranteed that singlephase earth fault will not occur.
As shown in figure 3, the top of insulator 3 is connect by support device 1 with aerial condutor 2, support device 1 includes upper folder Plate 25 and lower clamp plate 23 are connected, on the upper surface of lower clamp plate 23 by fastening bolt 28 between upper clamp plate 25 and lower clamp plate 23 It is provided with damping trough 24, is slidably connected in damping trough 24 and is provided with damping block 26, between damping block 26 and the bottom surface of damping trough 24 Be connected by damping spring 27, during installation, by aerial condutor 2 be placed in the damping block 26 on upper clamp plate 25 and lower clamp plate 23 it Between, it is provided with the lower groove 22 to match with 2 shape of aerial condutor on the surface of 25 side of close upper clamp plate of damping block 26, on The upper groove 21 matched with lower groove 22 is provided on the lower surface of clamping plate 25, upper groove 21 and lower groove 22 form clamp Aerial condutor 2 is placed in clamp slot by slot, so that the not easily shifted position of conducting wire, stability and safety all greatly improve, then By tightening the nut in fastening bolt 28, so that upper clamp plate 25 clamps aerial condutor 2 with lower clamp plate 23, damping spring 27 Certain damping can be played the role of when aerial condutor 2 shakes by being arranged, and enable aerial condutor 2 is more firm to be connected to On insulator 3;The square through hole passed through for fastening bolt 28 is provided on lower clamp plate 23, fastening bolt 28 is located in square through hole A Duan Weiyu square through hole it is compatible rectangular, it is rectangular in fastening bolt 28 when fastening bolt 28 to be put into through-hole Section the inner wall with square through hole is bonded, when tightening the nut in fastening bolt 28, due to through-hole be it is rectangular, so fastening bolt 28 will not rotate in through-hole with turning, and fastening effect is good, increases operating efficiency;The quantity of fastening bolt 28 is two A, two fastening bolts 28 are distributed in the two sides of damping block 26, so that the stability of support device 1 is more preferable, not easily to fall off, the service life More long.
It should be understood that being somebody's turn to do, examples are only for illustrating the present invention and not for limiting the scope of the present invention.In addition, it should also be understood that, After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc. Valence form is also fallen within the scope of the appended claims of the present application.

Claims (6)

1. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester, which is characterized in that including insulator and arrester sheet Body, the apical support of the insulator are connected with aerial condutor, and the bottom of the insulator is fixed on cross-arm, described The bottom of insulator is further fixed on mounting bracket, and the bottom of the lightning arrester body is fixed with insulating support, the installation It is bolted between bracket and insulating support, the top of the lightning arrester body is provided with round pressure ring, and described keeps away The bottom of thunder device ontology is connected with trip indicator, and the trip indicator includes shell, on the upper surface of the shell Be provided with for internal thread connecting hole to be connect and had with lightning arrester body, be provided in the shell signal detector, Detonate slot and logo slot, and insulation blocking plate, the detonation slot and logo slot are provided between the detonation slot and logo slot Opening closing be fixed with sealing cover, electric cap is provided in the detonation slot, mark is provided in the logo slot One end of spring, the mark spring is connected on the bottom surface of logo slot, and the other end of the mark spring is connected with mark Know band, mark band is against on the surface of sealing cover by the mark spring, and the sealing cover is provided with and mounting bracket phase The ground lead of connection.
2. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester according to claim 1, which is characterized in that institute The top for the insulator stated is connect by support device with aerial condutor, and the support device includes upper clamp plate and lower clamp plate, It is connected between the upper clamp plate and lower clamp plate by fastening bolt, is provided with damping on the upper surface of the lower clamp plate Slot is slidably connected in the damping trough and is provided with damping block, passes through damping between the damping block and the bottom surface of damping trough Spring is connected.
3. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester according to claim 2, which is characterized in that institute It is provided with the lower groove to match with aerial condutor shape on the surface of the close upper clamp plate side for the damping block stated, described is upper The upper groove matched with lower groove is provided on the lower surface of clamping plate.
4. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester according to claim 2 or 3, feature exist In being provided with the square through hole passed through for fastening bolt on the lower clamp plate, the fastening bolt is located in square through hole A Duan Weiyu square through hole it is compatible rectangular.
5. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester according to claim 2 or 3, feature exist In the quantity of the fastening bolt is two, and two fastening bolts are distributed in the two sides of damping block.
6. a kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester according to claim 1 or 2 or 3, feature It is, the mark band is yellow and the alternate reflective waterproof cloth of strip of silver color.
CN201810934765.0A 2018-08-16 2018-08-16 A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester Pending CN109473243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810934765.0A CN109473243A (en) 2018-08-16 2018-08-16 A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester

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Application Number Priority Date Filing Date Title
CN201810934765.0A CN109473243A (en) 2018-08-16 2018-08-16 A kind of annular dropout type tape jam indicator type Zinc-Oxide Arrester

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110648808A (en) * 2019-09-06 2020-01-03 国网浙江省电力有限公司衢州供电公司 Single-phase grounding-proof lightning puncture-proof insulator for overhead line
CN112467677A (en) * 2020-11-20 2021-03-09 合肥易来电科技有限公司 Novel lightning arrester for outdoor power transmission line

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203386547U (en) * 2013-07-29 2014-01-08 国家电网公司 Integrated fixed external series gap self-disengaging metal oxide lightning arrester insulators
CN105738755A (en) * 2016-05-06 2016-07-06 南京新惠程电气有限公司 Fault indicating disconnector
CN108305731A (en) * 2018-01-31 2018-07-20 闫文奕 A kind of line thunder protection device for protecting insulator to be endangered from Lightning Over-voltage

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203386547U (en) * 2013-07-29 2014-01-08 国家电网公司 Integrated fixed external series gap self-disengaging metal oxide lightning arrester insulators
CN105738755A (en) * 2016-05-06 2016-07-06 南京新惠程电气有限公司 Fault indicating disconnector
CN108305731A (en) * 2018-01-31 2018-07-20 闫文奕 A kind of line thunder protection device for protecting insulator to be endangered from Lightning Over-voltage

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110648808A (en) * 2019-09-06 2020-01-03 国网浙江省电力有限公司衢州供电公司 Single-phase grounding-proof lightning puncture-proof insulator for overhead line
CN112467677A (en) * 2020-11-20 2021-03-09 合肥易来电科技有限公司 Novel lightning arrester for outdoor power transmission line

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Application publication date: 20190315

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