CN205140663U - Arrester in fixed outer clearance - Google Patents
Arrester in fixed outer clearance Download PDFInfo
- Publication number
- CN205140663U CN205140663U CN201520809036.4U CN201520809036U CN205140663U CN 205140663 U CN205140663 U CN 205140663U CN 201520809036 U CN201520809036 U CN 201520809036U CN 205140663 U CN205140663 U CN 205140663U
- Authority
- CN
- China
- Prior art keywords
- electrode
- leading
- rod
- drawing rod
- conducting
- 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.)
- Expired - Fee Related
Links
Landscapes
- Thermistors And Varistors (AREA)
Abstract
The utility model provides an arrester in fixed outer clearance, including drawing the spike pulling, the upper end of drawing the spike pulling is equipped with the wiring bolt, and the upper end of wiring bolt is the free end, and threaded connection is passed through to the lower extreme and the upper end of drawing the spike pulling of wiring bolt, and the lower extreme that draws the spike pulling is equipped with grounded bolt, and grounded bolt's lower extreme is the free end, and grounded bolt's upper end and the lower extreme that draws the spike pulling pass through threaded connection, the outer peripheral face that draws the spike pulling is equipped with the resistance card, and the upper end of drawing the spike pulling is equipped with the first electrode, and the setting of wiring bolt is drawn the spike pulling and is equipped with the second electrode on the first electrode, and the second electrode is connected with the conducting rod, and the one end and the second electrode of conducting rod are connected, and the other end of conducting rod is the free end. The utility model discloses a conducting strip adopts copper silvering to put forward the high conductivity ability, is favorable to prolonging the resistance card running life, thereby prolong the life of arrester itself, increased the safe operating duration of circuit.
Description
Technical field
The utility model relates to a kind of lightning arrester, particularly relates to a kind of lightning arrester of fixing external series gap.
Background technology
Lightning arrester is connected between electrical network wire and ground wire usually, but is sometimes also connected between the other or wire of electrical equipment winding, lightning arrester sometimes also referred to as overvoltage protection device, overvoltage limiter; Lightning arrester endangers from height transient overvoltage during thunderbolt for the protection of electric equipment, and limits time of afterflow, also often limits a kind of electrical equipment of afterflow assignment; Lightning arrester is divided into a variety of, has metal oxide arrester, Line type's MOA, gapless Line type's MOA, all insulation polymeric metal oxide surge arrester, detachable lightning arrester; The main Types of lightning arrester has tube type arrester, valve-type arrester and zinc oxide arrester etc.The main operational principle of every type lightning arrester is different, but their work essence is identical, is all to protect the communications cable and communication equipment to be without prejudice.Existing lightning arrester is short for useful life, and line security is low.
Utility model content
Main purpose of the present utility model is to provide the lightning arrester of a kind of long service life, fixing external series gap that fail safe is good.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of lightning arrester of fixing external series gap, comprise leading-drawing rod, the upper end of leading-drawing rod is provided with connection bolt, the upper end of connection bolt is free end, and the lower end of connection bolt and the upper end of leading-drawing rod are threaded connection, and the lower end of leading-drawing rod is provided with earth stud, the lower end of earth stud is free end, and the upper end of earth stud and the lower end of leading-drawing rod are threaded connection; The outer peripheral face of leading-drawing rod is provided with resistor disc, the upper end of leading-drawing rod is provided with the first electrode, connection bolt is arranged on the first electrode, leading-drawing rod is provided with the second electrode, second Electrode connection has conducting rod, one end of conducting rod and the second Electrode connection, the other end of conducting rod is free end, and the centre position of conducting rod is provided with bend; The lower end of leading-drawing rod is provided with conducting strip, and the lower end of leading-drawing rod is provided with third electrode, and conducting strip and third electrode are for being electrically connected; The outer end of conducting strip is provided with electric shock sheet, and the projection of electric shock sheet is on the outer end of conducting strip.
Further, the outer peripheral face of described conducting rod is set with conducting rod sheath.
Further, described conducting strip is provided with bend.
Further, the link position of described earth stud and third electrode is provided with nut.
Further, the outer surface of described leading-drawing rod is set with silastic material.
The beneficial effects of the utility model: the lightning arrester of fixing external series gap of the present utility model has long service life, effectively prevent the problem of insulated wire lightning-caused breaking, effectively improves line security.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below.
Fig. 1 is the structural representation of the lightning arrester of fixing external series gap.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of lightning arrester of fixing external series gap, comprise leading-drawing rod 11, the upper end of leading-drawing rod 11 is provided with connection bolt 12, the upper end of connection bolt 12 is free end, and the lower end of connection bolt 12 and the upper end of leading-drawing rod 11 are threaded connection, and the lower end of leading-drawing rod 11 is provided with earth stud 13, the lower end of earth stud 13 is free end, and the upper end of earth stud 13 and the lower end of leading-drawing rod 11 are threaded connection; The outer peripheral face of leading-drawing rod 11 is provided with resistor disc 14, the upper end of leading-drawing rod 11 is provided with the first electrode 15, connection bolt 12 is arranged on the first electrode 15, leading-drawing rod 11 is provided with the second electrode 16, second electrode 16 is connected with conducting rod 21, one end of conducting rod 21 is connected with the second electrode 16, and the other end of conducting rod 21 is free end, and the centre position of conducting rod 21 is provided with bend; The lower end of leading-drawing rod 11 is provided with conducting strip 17, and the lower end of leading-drawing rod 11 is provided with third electrode 18, and conducting strip 17 and third electrode 18 are for being electrically connected; The outer end of conducting strip 17 is provided with electric shock sheet 20, and electric shock sheet 20 projection is on the outer end of conducting strip 17; The outer peripheral face of conducting rod 21 is set with conducting rod sheath 22, and conducting strip 17 is provided with bend 19, and earth stud 13 is provided with nut 24 with the link position of third electrode 18, and the outer surface of leading-drawing rod 11 is set with silastic material 23.
It is not charged that the circuit that the utility model fixes the lightning arrester of external series gap normally runs resistor disc, is conducive to extending resistor disc service life; After 10kV overhead transmission line insulating, insulated wire lightning-caused breaking problem manifests gradually, several product in order to take precautions against lightning-caused breaking has defect more or less, as the electric discharge wire clamp that punctures, the hardness of the crosslinked polyetylene insulated layer of aerial insulated wire varies with temperature, according to varying environment temperature torque spanner moment during installation, easily occur that ratchet crimping is unreal, lightning overvoltage punctures starting the arc disconnection fault; Simplify lightning arrester kind, efficient solution is determined the problem of insulated wire lightning-caused breaking; When circuit can be made normally to run and its isolation; decrease the live line work time of lightning arrester body; lightning arrester effect is played when distribution line meets with lightening strikes; release lightning voltage, electric current, after having protected, the insulation of its air fixed interval (FI) recovers immediately, blocks follow-up power current; avoid follow-up power current to wire and insulator burn; prevent distribution line from exporting protection act tripping operation, extend the useful life of lightning arrester itself, add the safe operation time of circuit.
Lightning arrester part metal oxide varistors sheet closed assembly of the present utility model becomes plug, and insulator portion leading-drawing rod is formed, and by three Electrode connection plugs and insulator, carries out high temperature vulcanized DMC after using the special tooling of exploitation to be fixed with one heart by parts.Coated with coupling agent, once suppresses through high-temperature silicon disulfide rubber, make silicon rubber and plug firmly bonding, lightning arrester resistor disc and composite insulator form an entirety.Described insulator supports outside the corresponding discharge face of external series gap conducting rod head, other part silicone rubber encapsulates, keep insulation property, and conducting rod head adopts stainless steel material, antiseptic property is not less than austenite 304, and conducting strip adopts the silver-plated raising electric conductivity of copper.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (1)
1. the lightning arrester of a fixing external series gap, comprise leading-drawing rod (11), it is characterized in that: the upper end of leading-drawing rod (11) is provided with connection bolt (12), the upper end of connection bolt (12) is free end, the lower end of connection bolt (12) and the upper end of leading-drawing rod (11) are threaded connection, the lower end of leading-drawing rod (11) is provided with earth stud (13), the lower end of earth stud (13) is free end, and the upper end of earth stud (13) and the lower end of leading-drawing rod (11) are threaded connection; The outer peripheral face of leading-drawing rod (11) is provided with resistor disc (14), the upper end of leading-drawing rod (11) is provided with the first electrode (15), connection bolt (12) is arranged on the first electrode (15), leading-drawing rod (11) is provided with the second electrode (16), second electrode (16) is connected with conducting rod (21), one end of conducting rod (21) is connected with the second electrode (16), the other end of conducting rod (21) is free end, and the centre position of conducting rod (21) is provided with bend; The lower end of leading-drawing rod (11) is provided with conducting strip (17), and the lower end of leading-drawing rod (11) is provided with third electrode (18), and conducting strip (17) and third electrode (18) are for being electrically connected; The outer end of conducting strip (17) is provided with electric shock sheet (20), and electric shock sheet (20) projection is on the outer end of conducting strip (17); The outer peripheral face of conducting rod (21) is set with conducting rod sheath (22); Conducting strip (17) is provided with bend (19); Earth stud (13) is provided with nut (24) with the link position of third electrode (18); The outer surface of leading-drawing rod (11) is set with silastic material (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809036.4U CN205140663U (en) | 2015-10-18 | 2015-10-18 | Arrester in fixed outer clearance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520809036.4U CN205140663U (en) | 2015-10-18 | 2015-10-18 | Arrester in fixed outer clearance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140663U true CN205140663U (en) | 2016-04-06 |
Family
ID=55626431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520809036.4U Expired - Fee Related CN205140663U (en) | 2015-10-18 | 2015-10-18 | Arrester in fixed outer clearance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140663U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451080A (en) * | 2016-12-27 | 2017-02-22 | 国网江苏省电力公司经济技术研究院 | Lightning arrester |
-
2015
- 2015-10-18 CN CN201520809036.4U patent/CN205140663U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106451080A (en) * | 2016-12-27 | 2017-02-22 | 国网江苏省电力公司经济技术研究院 | Lightning arrester |
| CN106451080B (en) * | 2016-12-27 | 2017-11-03 | 国网江苏省电力公司经济技术研究院 | A kind of arrester |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203278165U (en) | 10kV overhead distribution line arrester arrangement structure | |
| CN105513724A (en) | Stationary type follow current-free anti-thunder over-voltage protector for AC (Alternating Current) line | |
| CN201576522U (en) | Compound needle type zinc oxide arrester | |
| CN205140663U (en) | Arrester in fixed outer clearance | |
| CN203312737U (en) | Multi-gap lightning arrester applied to high-voltage overhead lines | |
| CN209199692U (en) | A kind of tension-resistant rod external series gap metal oxide arrester | |
| CN205140662U (en) | Arrester of external series gap | |
| CN204760146U (en) | Anti -icing suspension type composite insulator of lightning protection for 10kV transmission line | |
| CN207265416U (en) | A kind of 10kV exchanges overhead transmission line arc blowing type lightning protection device | |
| CN204424022U (en) | A kind of external series gap metal zinc oxide lightning arrester | |
| CN209199696U (en) | A kind of novel metal oxide arrester | |
| CN202940459U (en) | Lightning arrester used in extra-high voltage alternating-current electric transmission line | |
| CN206878312U (en) | A kind of combined pin type arrester | |
| CN205429713U (en) | Over -voltage protector | |
| CN202797958U (en) | Lightning-protection over-voltage protector | |
| CN207503744U (en) | A kind of rear loading type arrester | |
| CN202996460U (en) | Lightning arrester and overvoltage protection device using the lightning arrester | |
| CN206313286U (en) | A kind of arrester | |
| CN204143985U (en) | A kind of explosion-proof lightning arrester | |
| CN203859510U (en) | 35kV overhead line lightning stroke clamping protector | |
| CN204517399U (en) | Low residual voltage interstitial structure zinc oxide arrester arranged side by side | |
| CN204257302U (en) | A kind of novel arrester with gaps formula line insulator | |
| CN213424750U (en) | Series multi-gap metal oxide arrester | |
| CN204741249U (en) | A termination for input/output of transformer substation end | |
| CN202454364U (en) | Composite sleeve metal oxide lightning arrester |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20211018 |