CN202363191U - 10 kV line lighting arrester - Google Patents

10 kV line lighting arrester Download PDF

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Publication number
CN202363191U
CN202363191U CN 201120355438 CN201120355438U CN202363191U CN 202363191 U CN202363191 U CN 202363191U CN 201120355438 CN201120355438 CN 201120355438 CN 201120355438 U CN201120355438 U CN 201120355438U CN 202363191 U CN202363191 U CN 202363191U
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CN
China
Prior art keywords
lightning arrester
arrester
lightning
disconnector
moving contact
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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 - Lifetime
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CN 201120355438
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Chinese (zh)
Inventor
骆详明
罗立华
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CIXI POWER SUPPLY BUREAU
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CIXI POWER SUPPLY BUREAU
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Priority to CN 201120355438 priority Critical patent/CN202363191U/en
Application granted granted Critical
Publication of CN202363191U publication Critical patent/CN202363191U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Abstract

The utility model discloses a 10 kV line lighting arrester. The line lighting arrester comprises two parts, an arrester support body and an arrester body. The arrester support body comprises: a support tube body arranged by multiple insulators at intervals, and an installing plate connected to the support tube body used for fixing the arrester; a high-pressure terminal used for connecting high-voltage lines, and an upper static contact connected to the high-pressure terminal; a ground terminal and a lower static contact connected to the ground terminal; the arrester body comprises: the 10 kV lighting arrester body, an upper moving contact connected to and located on the upper end of the 10 kV lighting arrester body, and a lower static contact connected to and located on the lower end of the 10 kV lighting arrester body; the lighting arrester support body and the arrester body are connected by a clamping structure between the upper static contact and the upper moving contact, the lower static contact and the lower moving contact. The technical scheme of the utility model can achieve an objective of overhaul without power off as well as convenient and quick maintenance.

Description

A kind of 10kV leakage conductor
Technical field
The utility model relates to electric power system shocking preventing technology field, particularly relates to a kind of 10kV leakage conductor.
Background technology
Lightning arrester is used widely in power transmission and transformation power system, and it is through discharging thunder and lightning or power system operation overvoltage energy, and the protection power equipment is avoided instantaneous overvoltage harm, can block afterflow again, the unlikely electrical installation that causes the system earth short circuit.Lightning arrester is connected between live wire and the ground usually, with parallelly connected by protection equipment.Lightning arrester is under system's normal working voltage, and lightning arrester is high resistance state, only has the electric current of microampere order to pass through, and for ground, is in off state; When overvoltage value reached specified action voltage, lightning arrester moved immediately, presented low resistance; High voltage is impacted the guiding the earth, thereby the over-voltage amplitude is protected apparatus insulated; After magnitude of voltage was normal, lightning arrester restored to the original state rapidly, to guarantee system's normal power supply.The above-mentioned course of work can be referring to shown in the accompanying drawing 1.Is made up of a plurality of insulators in the middle of the lightning arrester commonly used, two ends are nut structure, and the upper end is used for and possibly produces superpotential circuit and be connected, and the lower end is used for ground connection.This lightning protection device must loose nut unload whole lightning arrester when overhauling, and causes the lightning arrester circuit to be in off-position on the one hand; Can not play the overvoltage protection effect during this; Very inconvenience of this kind dismounting mode has on the other hand increased work difficulty, has reduced efficient.
The utility model content
For solving the problems of the technologies described above, the embodiment of the utility model has provided a kind of lightning arrester, and this lightning arrester incorporates the structure of fuse switch through traditional lightning arrester is rationally improved, and outage can be overhauled to realize need not, convenient disassembly purpose efficiently.
The lightning arrester that the utility model embodiment provides comprises: lightning arrester supporter and lightning arrester body two parts, wherein:
Said lightning arrester supporter comprises: by the spaced support body of a plurality of insulators, and the mounting panel that is used for fixing lightning arrester that is connected with said support body; Be used to connect the high-voltage terminal of high-tension line, and the upper static contact that is connected with high-voltage terminal; Earth terminal, and the following fixed contact that is connected with earth terminal;
Said lightning arrester body comprises: the 10kV body of taking shelter from the thunder is positioned at the last moving contact of said lightning-arrest body upper end and is positioned at the following fixed contact of said body lower end;
Said lightning arrester supporter and said lightning arrester body are through upper static contact and last moving contact, fixed contact is connected with snap-in structure between the lower moving contact down.
Preferably, the lightning-arrest body of said 10kV comprises also and is positioned at this lightning-arrest body disconnector bottom that said disconnector is connected with said lightning arrester supporter through metal lead wire.
Further preferably, said disconnector is the heat explosion type disconnector;
Preferably, said have prevent that superpotential lightning-arrest pipe from being metal oxide arrester.
The lightning arrester technical scheme that the utility model embodiment provides incorporates the structure of fuse switch through traditional lightning arrester is improved, because lightning arrester adopts supporter and body construction; Two parts are through the dynamic/static contact engaging; When keeping in repair, need not under the powering-off state, can detect easily, keep in repair and change by the insulation joystick of operating a switch; Guaranteed that not only circuit is unimpeded, and significantly reduced electric power maintenance personnel's working strength and time.
Description of drawings
Fig. 1 is the fundamental diagram of a kind of common lightning arrester in the prior art;
Fig. 2 is the structure chart of a kind of embodiment of the utility model.
Embodiment
The embodiment of the utility model is through rationally improving traditional lightning arrester; Incorporate the structure of fuse switch; Lightning arrester is divided into support component and main element, through the dynamic/static contact engaging, has guaranteed need not outage and can overhaul, dismantle between the two big parts; Convenient to operation, solved the problem that prior art exists preferably.
In order to make those skilled in the art more be expressly understood the technical scheme of the utility model, the utility model is described in detail below in conjunction with embodiment and accompanying drawing.
As previously mentioned, lightning arrester is a kind of protection equipment that can discharge overvoltage energy, over-voltage amplitude.Here " overvoltage " carried out brief account: when electric power system normally moves; The voltage that electric equipment such as circuit, transformer bears is its corresponding rated voltage, but for a certain reason, voltage rising phenomenon possibly take place; So that cause that the insulation of electric equipment is destroyed; This adventurous voltage of insulation of electrical installation is raise is called overvoltage, and overvoltage is divided into internal overvoltage and atmospheric over-voltage, and the former is that operate or when breaking down electric power system inside; The overvoltage that makes Conversion of energy or transmission and cause, the latter is the thundercloud discharge in the atmosphere and the overvoltage that causes.This shows that overvoltage not only results under the thunderstorm weather, also possibly result from the power system operation at ordinary times; In case overvoltage occurs,, also possibly be damaged therefrom though lightning arrester can play the certain protection effect; Thereby must carry out real-time examination and repair, and need disassemble lightning arrester during maintenance, at this moment original circuit can't be avoided hard to guard against overvoltage; Overvoltage occurs causing circuit to damage; Thereby cause that consequence is serious, especially for the place that should not have a power failure, like post and telecommunications, station, airport, hospital, bustling business district etc.
Based on this, the utility model provides a kind of 10kV leakage conductor, can be implemented in and realizes maintenance under the situation that need not to cut off the power supply easily, changes.Referring to accompanying drawing 2, the lightning arrester of the utility model embodiment comprises: lightning arrester supporter and lightning arrester body two big members, wherein:
The lightning arrester supporter comprises: by the spaced support body 2011 of a plurality of insulators, and the mounting panel that is used for fixing lightning arrester 2012 that is connected with support body 2011; Be used to connect the high-voltage terminal 2013 of high-tension line, and the upper static contact 2014 that is connected with high-voltage terminal; Earth terminal 2015, and the following fixed contact 2016 that is connected with earth terminal;
Lightning arrester body comprises: the 10kV body 2021 of taking shelter from the thunder, and is connected and is positioned at the last moving contact 2022 of its upper end with the lightning-arrest body 2021 of 10kV is connected and is positioned at the following fixed contact 2023 of its lower end with the 10kV body 2021 of taking shelter from the thunder; The lightning-arrest body of the 10kV here can adopt metal oxide arrester, also can adopt the lightning arrester of other types, as long as have the overvoltage of preventing effect, does not all influence the realization of the utility model purpose;
Said lightning arrester supporter and lightning arrester body are through upper static contact 2014 and last moving contact 2022, fixed contact 2016 is connected with snap-in structure between the lower moving contact 2023 down; The snap-in structure here can adopt like the mode in the present embodiment: upper static contact is an elasticity duck structure; Under external force, will go up moving contact and push realization engaging in this duck structure.
When electrical network transient pulse voltage occurred owing to reasons such as thunderbolts, lightning arrester was through conducting in nanosecond, the high pressure of high-voltage terminal is transmitted to the earth through lightning-arrest body, thereby the electric equipment parallelly connected with this lightning arrester played a protective role; After voltage disperseed, lightning-arrest body returned to high impedance status, thereby does not influence the power supply of subscriber equipment.When lightning arrester need overhaul because of certain reason cisco unity malfunction; Because lightning arrester two parts connect through " engaging " mode; Can need not under the powering-off state, operate easily by the insulation drag hook that joystick aims on the lightning arrester unit of operating a switch, as changing the drop type fusion tube; Convenient and swift, do not influence the operate as normal of lightning arrester again.
Although the lightning arrester that the foregoing description provides is realized convenient maintenance under the situation that need not to cut off the power supply, lightning arrester occurs unusually in some cases, possibly cause accident further to enlarge if can not in time break away from electrical network.For this reason, the utility model gives a kind of embodiment, and this embodiment has increased disconnector on the basis of previous embodiment, and disconnector is positioned at the lower end of lower moving contact and the lightning-arrest body junction of 10kV, is connected with said lightning-arrest supporter through metal lead wire.When lightning arrester breaks down, utilize the power frequency breaking current to move by disconnector, disconnector is thrown off automatically, unit of an arrester also comes off thereupon automatically, and the accident that prevents out of service enlarges, and simultaneously, this mode is easy to the attendant and in time finds the lightning arrester fault.
The above only is the embodiment of the utility model; Should be understood that; For those skilled in the art, lightning arrester embodiment described above only is schematically, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection range of the utility model.

Claims (4)

1. a 10kV leakage conductor is characterized in that, this lightning arrester comprises: lightning arrester supporter and lightning arrester body two parts, wherein:
Said lightning arrester supporter comprises: by the spaced support body of a plurality of insulators, and the mounting panel that is used for fixing lightning arrester that is connected with said support body; Be used to connect the high-voltage terminal of high-tension line, and the upper static contact that is connected with high-voltage terminal; Earth terminal, and the following fixed contact that is connected with earth terminal;
Said lightning arrester body comprises: the 10kV body of taking shelter from the thunder, and is connected and is positioned at the last moving contact of its upper end with the lightning-arrest body of said 10kV is connected and is positioned at the following fixed contact of its lower end with the said 10kV body of taking shelter from the thunder;
Said lightning arrester supporter and said lightning arrester body are through upper static contact and last moving contact, fixed contact is connected with snap-in structure between the lower moving contact down.
2. lightning arrester according to claim 1; It is characterized in that; Said lightning arrester body also comprises disconnector, and this disconnector is positioned at the lower end of said lower moving contact and the lightning-arrest body junction of 10kV, and said disconnector is connected with said lightning arrester supporter through metal lead wire.
3. lightning arrester according to claim 2 is characterized in that, said disconnector is the heat explosion type disconnector.
4. according to any one described lightning arrester in the claim 1 to 3, it is characterized in that the lightning-arrest body of said 10kV is a metal oxide arrester.
CN 201120355438 2011-09-21 2011-09-21 10 kV line lighting arrester Expired - Lifetime CN202363191U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201120355438 CN202363191U (en) 2011-09-21 2011-09-21 10 kV line lighting arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201120355438 CN202363191U (en) 2011-09-21 2011-09-21 10 kV line lighting arrester

Publications (1)

Publication Number Publication Date
CN202363191U true CN202363191U (en) 2012-08-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201120355438 Expired - Lifetime CN202363191U (en) 2011-09-21 2011-09-21 10 kV line lighting arrester

Country Status (1)

Country Link
CN (1) CN202363191U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820112A (en) * 2012-08-31 2012-12-12 慈溪市供电局 Lightning arrester
CN105047339A (en) * 2015-05-14 2015-11-11 国家电网公司 Drop-type 10kV line arrester
CN114334580A (en) * 2021-11-27 2022-04-12 深圳供电局有限公司 Mounting base, mounting method and lightning protection and fusing combined device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820112A (en) * 2012-08-31 2012-12-12 慈溪市供电局 Lightning arrester
CN102820112B (en) * 2012-08-31 2015-10-21 慈溪市供电局 A kind of lightning arrester
CN105047339A (en) * 2015-05-14 2015-11-11 国家电网公司 Drop-type 10kV line arrester
CN114334580A (en) * 2021-11-27 2022-04-12 深圳供电局有限公司 Mounting base, mounting method and lightning protection and fusing combined device
CN114334580B (en) * 2021-11-27 2023-12-19 深圳供电局有限公司 Mounting base, mounting method and lightning protection fusing combination device

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Granted publication date: 20120801