CN109346253A - A kind of novel metal oxide arrester - Google Patents

A kind of novel metal oxide arrester Download PDF

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Publication number
CN109346253A
CN109346253A CN201811568392.6A CN201811568392A CN109346253A CN 109346253 A CN109346253 A CN 109346253A CN 201811568392 A CN201811568392 A CN 201811568392A CN 109346253 A CN109346253 A CN 109346253A
Authority
CN
China
Prior art keywords
core
protective cover
outer protective
bolt
insulating outer
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
CN201811568392.6A
Other languages
Chinese (zh)
Inventor
卢俊峰
于继忱
由仁宽
高伟
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.)
Liaoning Hualong Electric Technology Inc Co
Original Assignee
Liaoning Hualong Electric Technology Inc Co
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 Liaoning Hualong Electric Technology Inc Co filed Critical Liaoning Hualong Electric Technology Inc Co
Priority to CN201811568392.6A priority Critical patent/CN109346253A/en
Publication of CN109346253A publication Critical patent/CN109346253A/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
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B17/00Insulators or insulating bodies characterised by their form
    • H01B17/42Means for obtaining improved distribution of voltage; Protection against arc discharges
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/01Mounting; Supporting
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/02Housing; Enclosing; Embedding; Filling the housing or enclosure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/14Terminals or tapping points or electrodes specially adapted for resistors; Arrangements of terminals or tapping points or electrodes on resistors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01CRESISTORS
    • H01C1/00Details
    • H01C1/16Resistor networks not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Thermistors And Varistors (AREA)
  • Insulators (AREA)

Abstract

The invention discloses a kind of novel metal oxide arrester, including core, insulating outer protective cover, insulating outer protective cover is set on the outside of core, core inner space sets gradually top electrode, resistor disc, discharge electrode, lower electrode from one end to the other end;Binding post/stud is connected in top electrode, the high voltage insulated cable being piercing in outside core and insulating outer protective cover is connected on Binding post/stud, the connection bolt being piercing in outside core and insulating outer protective cover is connected on discharge electrode, it is connected with the ball stud being piercing in outside core and insulating outer protective cover on lower electrode, the core outboard end of electrode one end is fixedly connected with installation tight fixed bolt under setting;Installation is with mounting plate is fixedly connected on tight fixed bolt, in the outside setting connection bolt sheath of connection bolt.The present invention can effectively prevent insulator by lightning surge impact failure, can be with effective protection insulated conductor from lightning-caused breaking;Maximum feature is that high reliablity, failure rate are low, and maintenance workload is few.

Description

A kind of novel metal oxide arrester
Technical field
The invention belongs to power transmission and distribution electrical equipment technical fields, and it is lightning-arrest to particularly relate to a kind of novel metal oxide Device.
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, insulator Breakdown accident statistical magnitude constantly rises, and has seriously threatened distribution network line safe operation.Arrester is that one kind is connected in parallel on electrically Protection equipment in equipment, as the inter space device being artificially arranged in route or equipment, under normal working voltage In isolated insulation state, the breakdown ground connection of inter space device is under overvoltage with decompression of discharging, to play protection under overvoltage Route perhaps apparatus insulated effect its be also sometimes referred to as over-voltage protector or overvoltage limiter;Arrester is usual It is connected between power grid conducting wire and ground wire, however is also connected to electric appliance winding side or conducting wire sometimes.Currently, existing arrester is deposited In following disadvantage: insulator can not be effectively prevent by lightning surge impact failure, it can not effective protection insulated conductor By lightning-caused breaking, and it is main be existing arrester reliability is low, high failure rate, so as to cause maintenance workload It is various.
Summary of the invention
The present invention addresses the above problem, makes up the deficiencies in the prior art, provides one kind and is mainly used for power transmission and distribution electric power Novel gold in system and for protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage Belong to Oxide Arrester, is a kind of overvoltage protection.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of novel metal oxide arrester of the present invention, it is characterised in that: described including core, insulating outer protective cover Insulating outer protective cover is set on the outside of core, and core inner space is disposed with top electrode, resistor disc, electric discharge from one end to the other end Electrode, lower electrode, the top electrode, lower electrode are separately positioned on the both ends inside core;It is connected in the top electrode There is Binding post/stud, the high voltage insulated cable being piercing in outside core and insulating outer protective cover is connected on the Binding post/stud, it is described It is connected with the connection bolt being piercing in outside core and insulating outer protective cover on discharge electrode, is connected with and is piercing on the lower electrode Ball stud outside core and insulating outer protective cover, the core outboard end of electrode one end is fixedly connected with installation tightening under setting Bolt;The installation is provided with connection on the outside of the connection bolt with mounting plate is fixedly connected on tight fixed bolt Bolt sheath, the connection bolt sheath are integrally connected on insulating outer protective cover.
As a preferred solution of the present invention, the resistor disc is provided with three pieces, and three pieces resistor disc is sequentially connected simultaneously It is set between top electrode and discharge electrode.
As another preferred embodiment of the invention, the core is made of SMC plastic material, outside the insulation Sheath, connection bolt sheath are all made of silicone rubber material and are made.
As another preferred embodiment of the invention, the high-voltage isulation line length is 0.6m.
As another preferred embodiment of the invention, the connection bolt is bent bolt, connects the bending of bolt Partial end is interlinked to the outside with bolt sheath is connect, the end of the connection bolt bending part and the bulb phase of ball stud It is right.
As another preferred embodiment of the invention, pass through hexagonal spiral shell between the mounting plate and installation tight fixed bolt Mother is fixedly connected, and pad is equipped with plain washer, spring washer between the hex nut and mounting plate.
As another preferred embodiment of the invention, circular mounting hole is provided on the mounting plate end.
Beneficial effects of the present invention.
A kind of novel metal oxide arrester provided by the present invention, is mainly used in power transmission and distribution electric system, is used for Electrical equipment and electric line is protected to damage from atmospheric over-voltage and switching overvoltage;Specifically, the present invention is for protecting In 6kV distribution line, insulator can be effectively prevent by lightning surge impact failure, can be exempted from effective protection insulated conductor By lightning-caused breaking;Maximum feature is that high reliablity, failure rate are low, and maintenance workload is few.
Detailed description of the invention
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with The drawings and the specific embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment party described herein Formula is only used to explain the present invention, is not intended to limit the present invention.
Fig. 1 is a kind of schematic perspective view of novel metal oxide arrester of the present invention.
Fig. 2 is the direction the B view of Fig. 1.
Fig. 3 is the sectional structure chart of the A-A of Fig. 2.
Description of symbols in figure: 1 be high voltage insulated cable, 2 be insulating outer protective cover, 3 be connection bolt sheath, 4 be connection bolt, 5 be plain washer, 6 be hex nut, 7 be installation tight fixed bolt, 8 be spring washer, 9 be mounting plate, 10 be circular mounting hole, 11 it is ball stud, 12 be top electrode, 13 be resistor disc, 14 be discharge electrode, 15 be lower electrode, 16 be Binding post/stud, 17 is Core.
Specific embodiment
In conjunction with shown in attached drawing, a kind of novel metal oxide arrester of the present invention, it is characterised in that: including core 17, absolutely Insulating outer protective cover 2 is arranged on the outside of the core 17 for edge oversheath 2, and 17 inner space of core is successively set from one end to the other end It is equipped with top electrode 12, resistor disc 13, discharge electrode 14, lower electrode 15, the top electrode 12, lower electrode 15 are separately positioned on core Both ends inside body 17;It is connected with Binding post/stud 16 in the top electrode 12, is connected with and wears on the Binding post/stud 16 For the high voltage insulated cable 1 outside core 17 and insulating outer protective cover 2, it is connected on the discharge electrode 14 and is piercing in 17 He of core Connection bolt 4 outside insulating outer protective cover 2 is connected on the lower electrode 15 and is piercing in outside core 17 and insulating outer protective cover 2 Ball stud 11,17 outboard end of core of 15 one end of electrode is fixedly connected with installation tight fixed bolt 7 under setting;The peace Dress is provided with connection bolt sheath 3 with mounting plate 9 is fixedly connected on tight fixed bolt 7, in the outside of the connection bolt 4, The connection bolt sheath 3 is integrally connected on insulating outer protective cover 2.
As a preferred solution of the present invention, the resistor disc 13 is provided with three pieces, the successively phase of three pieces resistor disc 13 Connect and is set between top electrode 12 and discharge electrode 14.
As another preferred embodiment of the invention, the core 17 is made of SMC plastic material, the insulation Oversheath 2, connection bolt sheath 3 are all made of silicone rubber material and are made.
As another preferred embodiment of the invention, 1 length of high voltage insulated cable is 0.6m.
As another preferred embodiment of the invention, the connection bolt 4 is bent bolt, connects the curved of bolt 4 The end of folding part point is interlinked to the outside with bolt sheath 3 is connect, the end of connection 4 bending part of bolt and ball stud 11 Bulb is opposite.
As another preferred embodiment of the invention, pass through hexagonal between the mounting plate 9 and installation tight fixed bolt 7 Nut 6 is fixedly connected, and pad is equipped with plain washer 5, spring washer 8 between the hex nut 6 and mounting plate 9.
As another preferred embodiment of the invention, circular mounting hole 10 is provided on 9 end of mounting plate.
The present invention can effectively prevent insulator by lightning surge impact failure, also for protecting in 6kV distribution line It can be with effective protection insulated conductor from lightning-caused breaking;Maximum feature of the invention is high reliablity, and maintenance workload is few;It is lightning-arrest Device only protects lightning surge and a small amount of amplitude switching overvoltage, and overvoltage in general power frequency is not responding to substantially, Therefore the damage of arrester is all lightning impulse damage, and impact energy is big, is easier to blow, and can damage feelings from side housing Condition judges whether product is intact;After arrester is by impact failure, route operation is had substantially no effect on, ground connection event will not be generated Barrier, fortune inspection personnel can choose the suitable time and replace.
It is understood that being merely to illustrate the present invention above with respect to specific descriptions of the invention and being not limited to this Technical solution described in inventive embodiments, those skilled in the art should understand that, still the present invention can be carried out Modification or equivalent replacement, to reach identical technical effect;As long as meet use needs, all protection scope of the present invention it It is interior.

Claims (7)

1. a kind of novel metal oxide arrester, it is characterised in that: including core (17), insulating outer protective cover (2), the core Insulating outer protective cover (2) are set on the outside of body (17), core (17) inner space is disposed with top electrode from one end to the other end (12), resistor disc (13), discharge electrode (14), lower electrode (15), the top electrode (12), lower electrode (15) are separately positioned on The internal both ends of core (17);It is connected with Binding post/stud (16) in the top electrode (12), the Binding post/stud (16) On be connected with and be piercing in the high voltage insulated cable (1) of core (17) and insulating outer protective cover (2) outside, the discharge electrode connects on (14) It is connected to and is piercing in the connection bolt (4) of core (17) and insulating outer protective cover (2) outside, be connected with and be pierced by the lower electrode (15) In the ball stud (11) of core (17) and insulating outer protective cover (2) outside, core (17) outboard end of electrode one end is solid under setting Surely installation tight fixed bolt (7) are connected with;The installation is with mounting plate (9) are fixedly connected on tight fixed bolt (7), described Connection bolt (4) on the outside of be provided with connection bolt sheath (3), the connection bolt sheath (3) is integrally connected to insulate On oversheath (2).
2. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the resistor disc (13) Three pieces are provided with, three pieces resistor disc (13) is sequentially connected and is set between top electrode (12) and discharge electrode (14).
3. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the core (17) is adopted It is made of SMC plastic material, the insulating outer protective cover (2), connection bolt sheath (3) are all made of silicone rubber material and are made.
4. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the high voltage insulated cable (1) length is 0.6m.
5. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the connection bolt It (4) is bent bolt, the end for connecting the bending part of bolt (4) is interlinked to the outside with bolt sheath (3) is connect, the connection The end of bolt (4) bending part is opposite with the bulb of ball stud (11).
6. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the mounting plate (9) It is fixedly connected with installation between tight fixed bolt (7) by hex nut (6), between the hex nut (6) and mounting plate (9) Pad is equipped with plain washer (5), spring washer (8).
7. a kind of novel metal oxide arrester according to claim 1, it is characterised in that: the mounting plate (9) Circular mounting hole (10) are provided on end.
CN201811568392.6A 2018-12-21 2018-12-21 A kind of novel metal oxide arrester Pending CN109346253A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811568392.6A CN109346253A (en) 2018-12-21 2018-12-21 A kind of novel metal oxide arrester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811568392.6A CN109346253A (en) 2018-12-21 2018-12-21 A kind of novel metal oxide arrester

Publications (1)

Publication Number Publication Date
CN109346253A true CN109346253A (en) 2019-02-15

Family

ID=65304471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811568392.6A Pending CN109346253A (en) 2018-12-21 2018-12-21 A kind of novel metal oxide arrester

Country Status (1)

Country Link
CN (1) CN109346253A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN104715869A (en) * 2015-04-10 2015-06-17 国网上海市电力公司 Insulator support fixed gap overvoltage protector
CN207441368U (en) * 2017-10-13 2018-06-01 大连北方避雷器有限公司 Arrester of the body with fixed interval (FI)
CN209199696U (en) * 2018-12-21 2019-08-02 辽宁华隆电力科技股份有限公司 A kind of novel metal oxide arrester

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102157253A (en) * 2011-01-26 2011-08-17 吉林市能兴电力设备有限公司 Outer-gap lightning arrester
CN104715869A (en) * 2015-04-10 2015-06-17 国网上海市电力公司 Insulator support fixed gap overvoltage protector
CN207441368U (en) * 2017-10-13 2018-06-01 大连北方避雷器有限公司 Arrester of the body with fixed interval (FI)
CN209199696U (en) * 2018-12-21 2019-08-02 辽宁华隆电力科技股份有限公司 A kind of novel metal oxide arrester

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