CN104715869A - Insulator support fixed gap overvoltage protector - Google Patents
Insulator support fixed gap overvoltage protector Download PDFInfo
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- CN104715869A CN104715869A CN201510169616.6A CN201510169616A CN104715869A CN 104715869 A CN104715869 A CN 104715869A CN 201510169616 A CN201510169616 A CN 201510169616A CN 104715869 A CN104715869 A CN 104715869A
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- insulator
- drainage ball
- lightning arrester
- strutting piece
- protection device
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Abstract
The invention relates to an insulator support fixed gap overvoltage protector. The insulator support fixed gap overvoltage protector comprises a protector upper lead wire, a small insulation cover, an insulator supporting piece, an upper drainage ball, a lower drainage ball, a lightning arrester body and a protector mounting plate, wherein the insulator supporting piece and the lightning arrester body are arranged up and down; the small insulation cover covers the upper end of the insulator supporting piece; the upper drainage ball and the upper drainage ball are correspondingly arranged at the upper and lower ends of the insulator supporting piece one by one; and the protector mounting plate is fixed at the lower end of the lightning arrester body. According to the insulator support fixed gap overvoltage protector, the insulator supporting piece and a metal oxide lightning arrester are directly connected to form a whole structure and are wholly molded, so that the whole overvoltage protector is relatively miniaturized, the insulation protection reliability is increased, the requirements on a production process are relatively high, and a production technology is relatively developed.
Description
Technical field
The present invention relates to a kind of insulator and support fixed interval (FI) overvoltage protection device.
Background technology
At present, China is large, middle city 10kV distribution line substantially all have employed insulated conductor as overhead distribution, efficiently solve the insoluble corridor of plain conductor and safety problem, but suspended insulated guide wire also brings a new problem: the breakdown point of suspended insulated guide wire lightning overvoltage is just near post insulator within the scope of 200mm, thus cause insulator edge flashing or puncture, and be subject to the barrier effect of insulating barrier, after thunderbolt, power frequency continued flow electric arc arc root concentrates on the breakdown point of insulating barrier, insulated conductor is easily caused to melt broken string, the safety of serious threat equipment and the person.
On present 10kV circuit, domesticly two kinds of main schemes are taked to solve Broken of Overhead Insulation Lines By Lightning, one is electric discharge gold utensil, two is adopt overvoltage protection device, the main prior art to overvoltage protection device and pluses and minuses are described herein: conventional overvoltage protection device structure, be made up of ring-type or spherical gap and metal oxide arrester body, the overvoltage protection device of band annular electrode, its air gap is the distance that suspended insulated guide wire arrives ring-type striking circle; Then, upper drainage ball puncture or wire stripping tap into suspended insulated guide wire, lower drainage ball connection metal Oxide Arrester upper end: these two kinds of gaps, and be all free gap, on line, installation procedure is loaded down with trivial details, and very easily affects by artificial and other factors in spherical gap.This kind of overvoltage protection device primary protection circuit lightning-caused breaking, can not prevent power frequency flashover from tripping effectively.
Also has a class overvoltage protection device; overvoltage protection device body upper part is divided into metal oxide arrester body; line attachment system; bottom is divided into insulating element, installs on a mounting board, draws drainage ball between two; ground connection drainage ball on corresponding mounting panel; form air fixed interval (FI), protector body upper end access 10kV system, lower end is arranged on ground connection mounting panel.Though clearance distance is fixing; solve the unsteadiness of artificial assemblage gap; but the metal oxide arrester body moment line attachment system in protector; this makes its air gap be only a striking discharging gap; lose the effect of isolated circuit and metal oxide arrester body; lightning arrester body needs to consider its ageing properties, adds patrolling and examining and more changing jobs to protector in circuit.
Summary of the invention
Object of the present invention, exactly in order to solve above-mentioned prior art Problems existing, consider the air gap stability of overvoltage protection device, convenience is installed, high resistance to soiling and anti-aging durability, and provide a kind of insulator to support fixed interval (FI) overvoltage protection device, it is the overvoltage protection device forming fixed air gap using insulator as strutting piece, insulator strutting piece and metal oxide arrester are directly integrally connected structure, global formation, make whole overvoltage protection device more miniaturized, insulating protection reliability increases, manufacturing technique requirent is higher, production technology further.
The technical scheme realizing above-mentioned purpose is: a kind of insulator supports fixed interval (FI) overvoltage protection device, comprises lead-in wire, little insulating cover, insulator strutting piece, upper drainage ball, lower drainage ball, lightning arrester body and protector mounting panel on protector, wherein:
On described insulator strutting piece and lightning arrester body one, once arrange, the lower end of described insulator strutting piece is connected with the upper end of described lightning arrester body, and the described outside of insulator strutting piece and the outside of lightning arrester body are all enclosed with silastic material;
Described little insulating cover is socketed in the upper end of described insulator strutting piece, and the installing hole that to go between on is offered in the side of described little insulating cover, and one end that described protector goes between is through lead-in wire installing hole on this and be connected with the upper end of described insulator strutting piece;
Described upper drainage ball and lower drainage ball are arranged on the upper and lower end of described insulator strutting piece correspondingly, and described upper drainage ball is positioned at the below of described little insulating cover;
Described protector mounting panel is fixed on the lower end of described lightning arrester body.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, the lower end of described insulator strutting piece is insulator bottom electrode, and this insulator bottom electrode has external screw thread;
The upper end of described lightning arrester body is lightning arrester top electrode, and this lightning arrester top electrode has internal thread;
In the screwed hole that the internal thread that described insulator bottom electrode rotates into described lightning arrester top electrode is formed, and described insulator bottom electrode is fixedly connected with by pin with the junction of described lightning arrester top electrode.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, a through hole is offered along the radial direction of described insulator bottom electrode in the junction of described insulator bottom electrode and described lightning arrester top electrode, and described pin is plugged in this through hole.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, the silastic material that the silastic material of the outer wrap of described insulator strutting piece and the outside of described lightning arrester body are all wrapped up is one-body molded.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, described upper drainage ball is arranged on the upper end of described insulator strutting piece by upper metal connecting piece; Described lower drainage ball crosses the lower end that lower metal connecting piece is arranged on described insulator strutting piece; Described upper drainage ball and lower drainage ball are positioned at same plane.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, wherein, described upper drainage ball comprises transverse part and downward bending portion, one end and the described upper metal connecting piece of described transverse part fix, the other end is connected with the top in described downward bending portion, the bottom in described downward bending portion is the discharge end of described upper drainage ball, the bottom structure spherical in shape in described downward bending portion;
Described lower drainage ball is rod-like structure, and one end of described lower drainage ball is connected with described lower metal connecting piece, other end structure spherical in shape and be the discharge end of described lower drainage ball.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, described insulator strutting piece is by anti-acid epoxy glass fiber pultrusion.
Above-mentioned a kind of insulator supports fixed interval (FI) overvoltage protection device, and wherein, described insulator strutting piece has three full skirts.
Insulator of the present invention supports fixed interval (FI) overvoltage protection device; it is the overvoltage protection device forming fixed air gap using insulator as strutting piece; insulator strutting piece and metal oxide arrester are directly integrally connected structure; global formation; make whole overvoltage protection device more miniaturized; insulating protection reliability increases, and manufacturing technique requirent is higher, and production technology further.
Accompanying drawing explanation
Fig. 1 is the structural representation that insulator of the present invention supports fixed interval (FI) overvoltage protection device;
Fig. 2 is the inner connecting structure figure of insulator strutting piece and lightning arrester;
Fig. 3 is the using state figure that insulator of the present invention supports fixed interval (FI) overvoltage protection device.
Embodiment
In order to make those skilled in the art can understand technical scheme of the present invention better, below in conjunction with accompanying drawing, the invention will be further described.
Refer to Fig. 1 and Fig. 2; embodiments of the invention; a kind of insulator supports fixed interval (FI) overvoltage protection device, comprises lead-in wire 1, little insulating cover 2, insulator strutting piece 4, upper drainage ball 3, lower drainage ball 5, lightning arrester body 6 and protector mounting panel 7 on protector.
On insulator strutting piece 4 and lightning arrester body 6 one, once arrange, the lower end of insulator strutting piece 4 is connected with the upper end of lightning arrester body 6.
Refer to Fig. 2, the lower end of insulator strutting piece 4 is insulator bottom electrode 41, and this insulator bottom electrode 41 has external screw thread; The upper end of lightning arrester body 6 is lightning arrester top electrode 61, and this lightning arrester top electrode 61 has internal thread; In the screwed hole that the internal thread that insulator bottom electrode 41 rotates into lightning arrester top electrode 61 is formed, and insulator bottom electrode 41 is fixedly connected with by pin 8 with the junction of lightning arrester top electrode 61.Insulator bottom electrode 41 offers a through hole with the junction of lightning arrester top electrode 61 along the radial direction of insulator bottom electrode 41, and pin 8 is plugged in this through hole.The outside of insulator strutting piece 4 and the outside of lightning arrester body 6 are all enclosed with silastic material 9, and the silastic material that the outside of the silastic material of the outer wrap of insulator strutting piece 4 and lightning arrester body 6 is all wrapped up is one-body molded.
Refer to Fig. 1 again, little insulating cover 2 is socketed in the upper end of insulator strutting piece 4; The side of little insulating cover 2 offers the installing hole that to go between on, protector goes between 1 one end be connected with the upper end of insulator strutting piece 4 through lead-in wire installing hole on this; Upper drainage ball 3 and lower drainage ball 5 are arranged on the upper and lower end of insulator strutting piece 4 correspondingly, and upper drainage ball 3 is positioned at the below of little insulating cover 2; Protector mounting panel 7 is fixed on the lower end of lightning arrester body 6.
Upper drainage ball 3 is arranged on the upper end of insulator strutting piece 4 by upper metal connecting piece; Lower drainage ball 5 crosses the lower end that lower metal connecting piece is arranged on insulator strutting piece 4; Upper drainage ball 3 and lower drainage ball 5 are positioned at same plane.Upper drainage ball 3 comprises transverse part 31 and downward bending portion 32, one end and the upper metal connecting piece of transverse part 31 fix, the other end is connected with the top in downward bending portion 32, and the bottom in downward bending portion 32 is the discharge end of upper drainage ball, the bottom structure spherical in shape in downward bending portion 32; Lower drainage ball 5 is in rod-like structure, and one end of lower drainage ball 5 is connected with lower metal connecting piece, other end structure spherical in shape and be the discharge end of lower drainage ball 5.
Insulator strutting piece 4 is by anti-acid epoxy glass fiber pultrusion.Insulator strutting piece 4 has three full skirts 42.
Refer to Fig. 3; insulator of the present invention supports fixed interval (FI) overvoltage protection device; in-site installation is very simple and easy convenient; on protector, lead-in wire 1 is directly connected into aerial insulated cable 10, and protector mounting panel 7 is arranged on the insulator mounting frame 201 of the lower end being positioned at protected insulator 20.
Insulator of the present invention supports fixed interval (FI) overvoltage protection device, for the lightning overvoltage that 10kV insulated over-head line runs into, power-frequency overvoltage and switching overvoltage etc., carry out effectively comprehensively protection, the power frequency arc formed by over-voltage breakdown introduces gap burning, and by metal oxide arrester by fault offset to the earth, thus make high-energy electric arc arc root away from insulated conductor, avoid the situation that electric arc blows wire, play good strick precaution lightning-caused breaking function, and the excellent nonlinear wind vibration that lightning arrester body has, arc extinguishing instantaneously, air gap has blocked the power frequency continued flow of system, prevent lightning stroke trip.
Insulator of the present invention supports fixed interval (FI) overvoltage protection device and conventional overvoltage protection device difference:
(1) in-site installation is very simple and easy convenient, and on protector, lead-in wire 1 is directly connected into aerial insulated cable 10, and protector mounting panel 7 is arranged on the insulator mounting frame 201 of protected insulator 20, and two steps put in place;
(2) support the air gap formed with insulator strutting piece 4, be in the upper end of lightning arrester, completely cut off the lasting power frequency effect of line system to metal oxide arrester body 6, extend the useful life of lightning arrester;
(3) support the air gap formed with insulator strutting piece 4, air gap distance stablize, adjustment-free during installation, avoid wind-engaging put, install time etc. External Force Acting on the impact of clearance distance, improve the electric property stability of protector;
(4) three full skirts 42 of insulator strutting piece 4; fully ensure that the creepage distance of whole overvoltage protection device; its resistance to pollution performance is more excellent, and the air gap insulation coordination that full skirt and upper and lower drainage ball are formed is good, ensures that arc-discharge path is between air gap.
Insulator strutting piece and metal oxide arrester are directly integrally connected structure by the present invention, global formation, make whole overvoltage protection device more miniaturized, and insulating protection reliability increases, and manufacturing technique requirent is higher, and production technology further.
Above embodiment is used for illustrative purposes only, but not limitation of the present invention, person skilled in the relevant technique, without departing from the spirit and scope of the present invention, various conversion or modification can also be made, therefore all equivalent technical schemes also should belong to category of the present invention, should be limited by each claim.
Claims (8)
1. insulator supports a fixed interval (FI) overvoltage protection device, it is characterized in that, comprises lead-in wire, little insulating cover, insulator strutting piece, upper drainage ball, lower drainage ball, lightning arrester body and protector mounting panel on protector, wherein:
On described insulator strutting piece and lightning arrester body one, once arrange, the lower end of described insulator strutting piece is connected with the upper end of described lightning arrester body, and the described outside of insulator strutting piece and the outside of lightning arrester body are all enclosed with silastic material;
Described little insulating cover is socketed in the upper end of described insulator strutting piece, and the installing hole that to go between on is offered in the side of described little insulating cover, and one end that described protector goes between is through lead-in wire installing hole on this and be connected with the upper end of described insulator strutting piece;
Described upper drainage ball and lower drainage ball are arranged on the upper and lower end of described insulator strutting piece correspondingly, and described upper drainage ball is positioned at the below of described little insulating cover;
Described protector mounting panel is fixed on the lower end of described lightning arrester body.
2. a kind of insulator according to claim 1 supports fixed interval (FI) overvoltage protection device, and it is characterized in that, the lower end of described insulator strutting piece is insulator bottom electrode, and this insulator bottom electrode has external screw thread;
The upper end of described lightning arrester body is lightning arrester top electrode, and this lightning arrester top electrode has internal thread;
In the screwed hole that the internal thread that described insulator bottom electrode rotates into described lightning arrester top electrode is formed, and described insulator bottom electrode is fixedly connected with by pin with the junction of described lightning arrester top electrode.
3. a kind of insulator according to claim 2 supports fixed interval (FI) overvoltage protection device; it is characterized in that; a through hole is offered along the radial direction of described insulator bottom electrode in the junction of described insulator bottom electrode and described lightning arrester top electrode, and described pin is plugged in this through hole.
4. a kind of insulator according to claim 1 supports fixed interval (FI) overvoltage protection device, and it is characterized in that, the silastic material that the silastic material of the outer wrap of described insulator strutting piece and the outside of described lightning arrester body are all wrapped up is one-body molded.
5. a kind of insulator according to claim 1 supports fixed interval (FI) overvoltage protection device, and it is characterized in that, described upper drainage ball is arranged on the upper end of described insulator strutting piece by upper metal connecting piece; Described lower drainage ball crosses the lower end that lower metal connecting piece is arranged on described insulator strutting piece; Described upper drainage ball and lower drainage ball are positioned at same plane.
6. a kind of insulator according to claim 5 supports fixed interval (FI) overvoltage protection device, it is characterized in that, described upper drainage ball comprises transverse part and downward bending portion, one end and the described upper metal connecting piece of described transverse part fix, the other end is connected with the top in described downward bending portion, the bottom in described downward bending portion is the discharge end of described upper drainage ball, the bottom structure spherical in shape in described downward bending portion;
Described lower drainage ball is rod-like structure, and one end of described lower drainage ball is connected with described lower metal connecting piece, other end structure spherical in shape and be the discharge end of described lower drainage ball.
7. a kind of insulator according to claim 5 supports fixed interval (FI) overvoltage protection device, and it is characterized in that, described insulator strutting piece is by anti-acid epoxy glass fiber pultrusion.
8. a kind of insulator according to claim 5 supports fixed interval (FI) overvoltage protection device, and it is characterized in that, described insulator strutting piece has three full skirts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169616.6A CN104715869A (en) | 2015-04-10 | 2015-04-10 | Insulator support fixed gap overvoltage protector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510169616.6A CN104715869A (en) | 2015-04-10 | 2015-04-10 | Insulator support fixed gap overvoltage protector |
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| Publication Number | Publication Date |
|---|---|
| CN104715869A true CN104715869A (en) | 2015-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510169616.6A Pending CN104715869A (en) | 2015-04-10 | 2015-04-10 | Insulator support fixed gap overvoltage protector |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346253A (en) * | 2018-12-21 | 2019-02-15 | 辽宁华隆电力科技股份有限公司 | A kind of novel metal oxide arrester |
| CN109509596A (en) * | 2018-12-21 | 2019-03-22 | 辽宁华隆电力科技股份有限公司 | A kind of metal oxide arrester |
| CN110767394A (en) * | 2019-12-04 | 2020-02-07 | 国网上海市电力公司 | Insulator supporting type lightning arrester suitable for distribution network platform area |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07262852A (en) * | 1994-03-18 | 1995-10-13 | Ngk Insulators Ltd | Lighting resistant horn insulator device |
| CN202474785U (en) * | 2012-03-14 | 2012-10-03 | 西安神电电器有限公司 | Integrated lightning arrester |
| CN103606818A (en) * | 2013-10-23 | 2014-02-26 | 吉林市能兴电力设备有限公司 | Series gap arrester |
| CN203481768U (en) * | 2013-09-09 | 2014-03-12 | 大连法伏安电器有限公司 | Spherical fixed outer-gap lightning arrester for 10kV system insulating overhead line tension rod |
| CN203480970U (en) * | 2013-07-26 | 2014-03-12 | 河南毅达电气科技有限公司 | External-gap lightning arrester |
| CN204496992U (en) * | 2015-04-10 | 2015-07-22 | 国网上海市电力公司 | A kind of insulator supports fixed interval (FI) overvoltage protection device |
-
2015
- 2015-04-10 CN CN201510169616.6A patent/CN104715869A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07262852A (en) * | 1994-03-18 | 1995-10-13 | Ngk Insulators Ltd | Lighting resistant horn insulator device |
| CN202474785U (en) * | 2012-03-14 | 2012-10-03 | 西安神电电器有限公司 | Integrated lightning arrester |
| CN203480970U (en) * | 2013-07-26 | 2014-03-12 | 河南毅达电气科技有限公司 | External-gap lightning arrester |
| CN203481768U (en) * | 2013-09-09 | 2014-03-12 | 大连法伏安电器有限公司 | Spherical fixed outer-gap lightning arrester for 10kV system insulating overhead line tension rod |
| CN103606818A (en) * | 2013-10-23 | 2014-02-26 | 吉林市能兴电力设备有限公司 | Series gap arrester |
| CN204496992U (en) * | 2015-04-10 | 2015-07-22 | 国网上海市电力公司 | A kind of insulator supports fixed interval (FI) overvoltage protection device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109346253A (en) * | 2018-12-21 | 2019-02-15 | 辽宁华隆电力科技股份有限公司 | A kind of novel metal oxide arrester |
| CN109509596A (en) * | 2018-12-21 | 2019-03-22 | 辽宁华隆电力科技股份有限公司 | A kind of metal oxide arrester |
| CN110767394A (en) * | 2019-12-04 | 2020-02-07 | 国网上海市电力公司 | Insulator supporting type lightning arrester suitable for distribution network platform area |
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| CB02 | Change of applicant information |
Address after: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant after: State Grid Shanghai Municipal Electric Power Company Applicant after: SHANGHAI ELECTRIC PORCELAIN WORKS CO., LTD. Address before: 200122 Shanghai City, Pudong New Area source deep road, No. 1122 Applicant before: State Grid Shanghai Municipal Electric Power Company Applicant before: Shanghai Electric-Porcelain Works |
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Application publication date: 20150617 |