CN109509601A - A kind of strain insulator arrester assembly - Google Patents

A kind of strain insulator arrester assembly Download PDF

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Publication number
CN109509601A
CN109509601A CN201811568391.1A CN201811568391A CN109509601A CN 109509601 A CN109509601 A CN 109509601A CN 201811568391 A CN201811568391 A CN 201811568391A CN 109509601 A CN109509601 A CN 109509601A
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CN
China
Prior art keywords
protective cover
outer protective
insulating outer
cover
core
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.)
Granted
Application number
CN201811568391.1A
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Chinese (zh)
Other versions
CN109509601B (en
Inventor
董绍光
朱淑梅
卢俊峰
由仁宽
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Liaoning Hualong Electric Technology Inc Co
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Liaoning Hualong Electric Technology Inc Co
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Priority to CN201811568391.1A priority Critical patent/CN109509601B/en
Publication of CN109509601A publication Critical patent/CN109509601A/en
Application granted granted Critical
Publication of CN109509601B publication Critical patent/CN109509601B/en
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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)
  • Insulators (AREA)

Abstract

The invention discloses a kind of strain insulator arrester assemblies, including core, insulating outer protective cover, insulating outer protective cover is set on the outside of core, core inner space is disposed with top electrode, resistor disc, discharge electrode, insulated column, lower electrode from one end to the other end, and top electrode, lower electrode are separately positioned on the both ends inside core;The installation holding screw being piercing in outside core and insulating outer protective cover is connected in top electrode, the connection bolt being piercing in outside core and insulating outer protective cover is connected on discharge electrode, Binding post/stud, ball stud are connected on lower electrode, Binding post/stud is connected with ball stud, the insulated wire being piercing in outside core and insulating outer protective cover respectively;The insulating outer protective cover outside mask of section is equipped with shield between discharge electrode and lower electrode area, and shield is screened the ball stud that be connected with discharge electrode connection bolt, is connected with lower electrode.High reliablity of the present invention, failure rate are low, and maintenance workload is few, plays the role of further protecting arrester itself.

Description

A kind of strain insulator arrester assembly
Technical field
The invention belongs to power transmission and distribution electrical equipment technical fields, particularly relate to a kind of strain insulator arrester assembly.
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 From 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;Meanwhile not in place are made for the safeguard procedures of discharge portion on existing arrester at present, it is not provided with special anti- Shield measure apparatus, it is easy to guiding discharge part can be by the destruction of external adverse circumstances, so as to cause the failure of arrester Rate increases.
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 Strain insulator in system and for protecting electrical equipment and electric line to damage from atmospheric over-voltage and switching overvoltage is kept away Thunder device assembly is a kind of overvoltage protection.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of strain insulator arrester assembly of the present invention, it is characterised in that: including core, insulating outer protective cover, outside the core Side be arranged insulating outer protective cover, core inner space be disposed with from one end to the other end top electrode, resistor disc, discharge electrode, Insulated column, lower electrode, the top electrode, lower electrode are separately positioned on the both ends inside core;Connect in the top electrode It is connected to the installation holding screw being piercing in outside core and insulating outer protective cover, is connected on the discharge electrode and is piercing in core With the connection bolt outside insulating outer protective cover, Binding post/stud, ball stud, the Binding post/stud are connected on the lower electrode It is connected respectively with ball stud, the insulated wire being piercing in outside core and insulating outer protective cover;In the connection bolt, ball stud Outside be provided with connection bolt sheath, ball stud sheath, the connection bolt sheath, ball stud sheath integrally connect It is connected on insulating outer protective cover, the insulating outer protective cover outside mask of section is equipped with shield between discharge electrode and lower electrode area, described Shield is screened the ball stud that be connected with discharge electrode connection bolt, is connected with lower electrode.
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, on the outside of the insulating outer protective cover for being provided with installation holding screw one end It is provided with end cap.
As another preferred embodiment of the invention, the insulating outer protective cover includes oversheath ontology, evagination circular piece Shape structure, the evagination circular sheet-like structures integrated molding are connected on oversheath ontology, the evagination round sheet knot Structure by outer diameter in the form of small one and large one equidistantly distributed on oversheath ontology.
As another preferred embodiment of the invention, the evagination circular sheet-like structures difference at both ends on the oversheath ontology It is correspondingly arranged in inner end, discharge electrode and the insulated column junction of installation holding screw.
As another preferred embodiment of the invention, the insulated column is epoxy fibreglass leading-drawing rod, the insulation Line is 0.6m high voltage insulated cable.
As another preferred embodiment of the invention, the core is made of SMC plastic material, outside the insulation Sheath, connection bolt sheath, ball stud sheath, shield are all made of silicone rubber material and are made.
As another preferred embodiment of the invention, the connection bolt is bent bolt, connects the bending of bolt Partial end exposes to outside connection bolt sheath;The ball stud sheath covers the half of ball stud, is exposed to outer The other half ball stud with connection bolt bending part it is exposed end it is opposite.
As another preferred embodiment of the invention, the shield includes the cover of inner hollow, the cover Both ends are respectively the first cover end opening communicated, the second cover end opening;The first cover end opening Internal diameter is connected with that one end outer diameter of insulated wire is corresponding with the oversheath ontology of insulating outer protective cover, and the first cover end is spacious Mouth is fixedly connected on the oversheath ontology one end of insulating outer protective cover;The internal diameter of the second cover end opening and insulation The outer diameter of the oversheath ontology of oversheath is corresponding, and the second cover end opening is fixedly connected on the outer of insulating outer protective cover On sheath ontology.
As another preferred embodiment of the invention, it is round that bolt receiving portion, evagination are respectively arranged on the cover Laminated structure receiving portion, side on cover, opposite with bolt receiving portion and from the first cover end opening to the second cover End opening offers lateral incision opening.
As another preferred embodiment of the invention, the lateral incision opening two sides are provided with sealing connection dististyle, described Sealing connecting pin on piece be provided with corresponding multiple fixedly connected holes, passed through between two sealing connection dististyles by rivet solid Determine connecting hole sealing connection.
Beneficial effects of the present invention.
A kind of strain insulator arrester assembly provided by the present invention, is mainly used in power transmission and distribution electric system, for protecting electricity Gas equipment and electric line are damaged from atmospheric over-voltage and switching overvoltage;Specifically, the present invention for protect 10~ In 20kV distribution line, insulator can be effectively prevent by lightning surge impact failure, it 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.Meanwhile strain insulator arrester of the present invention Shield set by assembly can protect discharge electrode and its connection bolt connected and lower electricity on strain insulator arrester well Discharge portion between pole and its ball stud connected from the destruction of external adverse circumstances, play to arrester itself into The effect of one step protection, reduces failure rate, reduces maintenance workload.
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 overall structure diagram of strain insulator arrester assembly of the present invention.
Fig. 2 is the direction the B view in Fig. 1.
Fig. 3 is the A-A cross-sectional view of Fig. 2.
Fig. 4 is the direction the D view in Fig. 1.
Fig. 5 is the direction the C view in Fig. 1.
Fig. 6 is a kind of schematic perspective view of the shield of strain insulator arrester assembly of the present invention.
Fig. 7 is a kind of side structure schematic view of the shield of strain insulator arrester assembly of the present invention.
Fig. 8 is the E-E cross-sectional view of Fig. 7.
Description of symbols in figure: 1 be installation holding screw, 2 be end cap, 3 be insulating outer protective cover, 4 be shield, 5 be rivet, 6 be insulated wire, 7 be lower electrode, 8 be top electrode, 9 be resistor disc, 10 be discharge electrode, 11 be connection bolt, 12 be connection spiral shell Bolt sheath, 13 be insulated column, 14 be ball stud, 15 be ball stud sheath, 16 be Binding post/stud, 17 be core;31 be outer Prominent circular sheet-like structures, 32 are oversheath ontology;41 be bolt receiving portion, 42 be the first cover end it is open, 43 be that lateral incision is opened Mouthful, 44 be sealing connect dististyle, 45 be fixedly connected hole, 46 be evagination circular sheet-like structures receiving portion, 47 be cover, 48 be the Two cover ends are open.
Specific embodiment
In conjunction with shown in attached drawing, a kind of strain insulator arrester assembly of the present invention, it is characterised in that: including core 17, the outer shield of insulation 3 are covered, insulating outer protective cover 3 is set on the outside of the core 17,17 inner space of core is disposed with from one end to the other end Electrode 8, resistor disc 9, discharge electrode 10, insulated column 13, lower electrode 7, the top electrode 8, lower electrode 7 are separately positioned on core Both ends inside 17;The installation clamp screw being piercing in outside core 17 and insulating outer protective cover 3 is connected in the top electrode 8 1 is followed closely, the connection bolt 11 being piercing in outside core 17 and insulating outer protective cover 3 is connected on the discharge electrode 10, under described Be connected with Binding post/stud 16, ball stud 14 on electrode 7, the Binding post/stud 16 respectively be piercing in core 17 and insulation is outer Ball stud 14, insulated wire 6 outside sheath 3 are connected;The outside of the connection bolt 11, ball stud 14 is provided with connection Bolt sheath 12, ball stud sheath 15, the connection bolt sheath 12, ball stud sheath 15 are integrally connected to insulate On oversheath 3, shield 4, the shield are equipped with positioned at 3 outside mask of insulating outer protective cover of discharge electrode 10 and lower 7 segment of electrode Cover 4 is screened the ball stud 14 that be connected with discharge electrode 10 connection bolt 11, is connected with lower electrode 7.
As a preferred solution of the present invention, the resistor disc 9 is provided with three pieces, and three pieces resistor disc 9 is sequentially connected And it is set between top electrode 8 and discharge electrode 10.
As another preferred embodiment of the invention, outside the insulating outer protective cover 3 for being provided with 1 one end of installation holding screw Side is provided with end cap 2.
As another preferred embodiment of the invention, the insulating outer protective cover 3 includes oversheath ontology 32, evagination circle Laminated structure 31, the integrated molding of evagination circular sheet-like structures 31 are connected on oversheath ontology 32, the evagination circle Shape laminated structure 31 by outer diameter in the form of small one and large one equidistantly distributed on oversheath ontology 32.
As another preferred embodiment of the invention, the evagination circular sheet-like structures 31 at both ends on the oversheath ontology 32 Respectively correspond 13 junction of the inner end for being set to installation holding screw 1, discharge electrode and insulated column.
As another preferred embodiment of the invention, the insulated column 13 is epoxy fibreglass leading-drawing rod, and described is exhausted Edge line 6 is 0.6m high voltage insulated cable.
As another preferred embodiment of the invention, the core 17 is made of SMC plastic material, the insulation Oversheath 3, connection bolt sheath 12, ball stud sheath 15, shield 4 are all made of silicone rubber material and are made.
As another preferred embodiment of the invention, the connection bolt 11 is bent bolt, connection bolt 11 The end of bending part exposes to outside connection bolt sheath 12;The ball stud sheath 15 covers the one of ball stud 14 Half, it is opposite with the exposed end of connection 11 bending part of bolt to be exposed to the other half outer ball stud 14.
As another preferred embodiment of the invention, the shield 4 includes the cover 47 of inner hollow, the cover 47 both ends are respectively the first cover end opening 42, the second cover end opening 48 communicated;The first cover end It is corresponding that the internal diameter of portion's opening 42 and the oversheath ontology 32 of insulating outer protective cover 3 are connected with one end outer diameter of insulated wire 6, described First cover end opening 42 is fixedly connected on 32 one end of oversheath ontology of insulating outer protective cover 3;Second cover The internal diameter of end opening 48 is corresponding with the outer diameter of oversheath ontology 32 of insulating outer protective cover 3, and the second cover end is spacious Mouth 48 is fixedly connected on the oversheath ontology 32 of insulating outer protective cover 3.
As another preferred embodiment of the invention, bolt receiving portion 41, evagination circle are respectively arranged on the cover 4 Shape laminated structure receiving portion 46, side on cover 4, opposite with bolt receiving portion 41 and from the first cover end opening 42 to Second cover end opening 48 offers lateral incision opening 43.
As another preferred embodiment of the invention, 43 two sides of lateral incision opening are provided with sealing connection dististyle 44, It is provided with corresponding multiple fixedly connected holes 45 on the sealing connection dististyle 44, passes through between two sealing connection dististyles 44 Rivet 5 passes through the sealing connection of fixedly connected hole 45.
The present invention can effectively prevent insulator to be impacted by lightning surge and damage for protecting in 10~20kV distribution line It is bad, it can be with effective protection insulated conductor from lightning-caused breaking;Maximum feature of the invention is high reliablity, maintenance workload It is few;Arrester only protects lightning surge and a small amount of amplitude switching overvoltage, basic for overvoltage in general power frequency It is not responding to, therefore the damage of arrester is all lightning impulse damage, impact energy is big, is easier to blow, can be outside side Set damaged condition judges whether product is intact;After arrester is by impact failure, route operation is had substantially no effect on, will not be generated Ground fault, 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 (10)

1. a kind of strain insulator arrester assembly, it is characterised in that: including core (17), insulating outer protective cover (3), the core (17) Insulating outer protective cover (3) are arranged in outside, and core (17) inner space is disposed with top electrode (8), resistance from one end to the other end Piece (9), discharge electrode (10), insulated column (13), lower electrode (7), the top electrode (8), lower electrode (7) are separately positioned on core The internal both ends of body (17);It is connected in the top electrode (8) and is piercing in the peace of core (17) and insulating outer protective cover (3) outside Dress uses holding screw (1), is connected on the discharge electrode (10) and is piercing in the company of core (17) and insulating outer protective cover (3) outside Connecting bolt (11) is connected with Binding post/stud (16), ball stud (14), the Binding post/stud on the lower electrode (7) (16) respectively be piercing in ball stud (14), the insulated wire (6) of core (17) and insulating outer protective cover (3) outside and be connected;Described Connection bolt (11), connection bolt sheath (12), ball stud sheath (15) are provided on the outside of ball stud (14), it is described Connection bolt sheath (12), ball stud sheath (15) be integrally connected on insulating outer protective cover (3), be located at discharge electrode (10) shield (4) are equipped with insulating outer protective cover (3) outside mask of lower electrode (7) segment, the shield (4) is screened and put It electrode (10) connected connection bolt (11), the ball stud (14) that is connected with lower electrode (7).
2. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: the resistor disc (9) is provided with Three pieces, three pieces resistor disc (9) are sequentially connected and are set between top electrode (8) and discharge electrode (10).
3. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: be provided with installation holding screw (1) end cap (2) are provided on the outside of the insulating outer protective cover (3) of one end.
4. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: insulating outer protective cover (3) packet Oversheath ontology (32), evagination circular sheet-like structures (31) are included, the evagination circular sheet-like structures (31) are integrally formed connection In on oversheath ontology (32), the evagination circular sheet-like structures (31) by outer diameter in the form of small one and large one equidistantly distributed exist On oversheath ontology (32).
5. a kind of strain insulator arrester assembly according to claim 4, it is characterised in that: two on the oversheath ontology (32) The evagination circular sheet-like structures (31) at end respectively correspond the inner end for being set to installation holding screw (1), discharge electrode (10) With insulated column (13) junction.
6. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: the insulated column (13) is epoxy Glass fiber leading-drawing rod, the insulated wire (6) are 0.6m high voltage insulated cable.
7. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: the core (17) uses SMC Plastic material is made, and the insulating outer protective cover (3), connection bolt sheath (12), ball stud sheath (15), shield (4) are equal It is made of silicone rubber material.
8. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: the connection bolt (11) is curved Shape bolt is rolled over, the end for connecting the bending part of bolt (11) exposes to connection bolt sheath (12) outside;The ball stud Sheath (15) covers the half of ball stud (14), is exposed to the other half outer ball stud (14) and bends with bolt (11) are connect The exposed end in part is opposite.
9. a kind of strain insulator arrester assembly according to claim 1, it is characterised in that: the shield (4) includes inside Hollow cover (47), the both ends of the cover (47) are respectively the first cover end open (42) communicated, the second cover Body end portion opening (48);The internal diameter of the first cover end open (42) and the oversheath ontology of insulating outer protective cover (3) (32) one end outer diameter for being connected with insulated wire (6) is corresponding, and the first cover end open (42) are fixedly connected on insulation On oversheath ontology (32) one end of oversheath (3);The internal diameter of the second cover end opening and insulating outer protective cover The outer diameter of oversheath ontology is corresponding, and the second cover end open (48) are fixedly connected on the outer of insulating outer protective cover (3) On sheath ontology (32).
10. a kind of strain insulator arrester assembly according to claim 9, it is characterised in that: on the cover (47) respectively Be provided with bolt receiving portion (41), evagination circular sheet-like structures receiving portion (46), on cover (47), with bolt receiving portion (41) Opposite side and lateral incision opening (43), institute are offered from the first cover end open (42) to the second cover end open (48) Lateral incision opening (43) two sides stated are provided with sealing connection dististyle (44), are provided in sealing connection dististyle (44) opposite The multiple fixedly connected holes (45) answered, two sealings are connected and are sealed by rivet (5) across fixedly connected hole (45) between dististyle (44) Close connection.
CN201811568391.1A 2018-12-21 2018-12-21 Zhang Bilei resistant ware assembly Active CN109509601B (en)

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CN201811568391.1A CN109509601B (en) 2018-12-21 2018-12-21 Zhang Bilei resistant ware assembly

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CN109509601A true CN109509601A (en) 2019-03-22
CN109509601B CN109509601B (en) 2023-11-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113193534A (en) * 2021-05-19 2021-07-30 广东电网有限责任公司 Arrester protector

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631032U (en) * 1992-09-24 1994-04-22 日本碍子株式会社 Insulator with lightning protection unit
CN102024543A (en) * 2010-12-28 2011-04-20 大连法伏安电器有限公司 Composite insulator support fixing gap line type arrester
KR101229452B1 (en) * 2012-09-06 2013-02-04 엄순천 Lightning arrester lead wire connector
CN206819820U (en) * 2017-06-22 2017-12-29 广州供电局有限公司 The insulation protective hood of arrester
CN209199704U (en) * 2018-12-21 2019-08-02 辽宁华隆电力科技股份有限公司 A kind of strain insulator arrester assembly

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0631032U (en) * 1992-09-24 1994-04-22 日本碍子株式会社 Insulator with lightning protection unit
CN102024543A (en) * 2010-12-28 2011-04-20 大连法伏安电器有限公司 Composite insulator support fixing gap line type arrester
KR101229452B1 (en) * 2012-09-06 2013-02-04 엄순천 Lightning arrester lead wire connector
CN206819820U (en) * 2017-06-22 2017-12-29 广州供电局有限公司 The insulation protective hood of arrester
CN209199704U (en) * 2018-12-21 2019-08-02 辽宁华隆电力科技股份有限公司 A kind of strain insulator arrester assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113193534A (en) * 2021-05-19 2021-07-30 广东电网有限责任公司 Arrester protector

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