CN207052387U - A kind of distribution line overvoltage protection - Google Patents
A kind of distribution line overvoltage protection Download PDFInfo
- Publication number
- CN207052387U CN207052387U CN201721086028.7U CN201721086028U CN207052387U CN 207052387 U CN207052387 U CN 207052387U CN 201721086028 U CN201721086028 U CN 201721086028U CN 207052387 U CN207052387 U CN 207052387U
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- Prior art keywords
- lightning arrester
- insulator
- distribution line
- arrester body
- wire
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Abstract
The utility model discloses a kind of distribution line overvoltage protection, including wire, insulator body, cross-arm, lightning arrester body and draining ring, insulator body and lightning arrester body have been arranged in parallel between wire and cross-arm, the side of cross-arm is bolted insulator bracket, insulator bracket is fixedly connected by fastening member with surge arrester support, lightning arrester body is provided with by fixed seat on surge arrester support, lightning arrester body is made up of multiple resistor discs being cascaded, the both ends of lightning arrester body are respectively equipped with Top electrode and bottom electrode, the top of lightning arrester body is provided with voltage piece, draining ring is installed on voltage piece, draining ring is electrically connected with by wire and lightning arrester body, and draining ring is set in the outside of insulator body.The utility model has anti-short-circuit function, improves the safe and stable operation level of distribution line, the also development for follow-up circuit O＆M and service work provides convenient by setting Oxide Arrester body and draining ring.
Description
Technical field
Technical field of electric power is the utility model is related to, specially a kind of distribution line overvoltage protection.
Background technology
Distribution line refers to electric power is sent to distribution transformer from step-down substation or is sent to the electric power of distribution substation
With the circuit of electric unit.Distribution line is the important component of China's power network, when distribution wire, which meets thunderbolt on the way, overvoltage occurs,
It frequently can lead to insulator arc-over, cause line tripping accident, so as to influence the stable safe operation of power network, therefore, on the market
There is overvoltage protection.
At present, overvoltage protection of the prior art zinc oxide surge arresters or using insulator generally on distribution line
Parallel connection gaps structure, still, this mode can not effectively avoid the generation of the accidents such as insulator arc-over and line tripping, separately
Outside, versatility is poor, is unfavorable for the progress of follow-up O＆M and service work.
Utility model content
The purpose of this utility model is to provide a kind of distribution line overvoltage protection, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of distribution line overvoltage protection,
Including wire, insulator body, cross-arm, lightning arrester body and draining ring, insulation has been arranged in parallel between the wire and cross-arm
Sub- body and lightning arrester body, the side of the cross-arm are bolted insulator bracket, and the insulator bracket passes through tight
Gu component is fixedly connected with surge arrester support, lightning arrester body is provided with by fixed seat on the surge arrester support, it is described to keep away
Thunder device body is made up of multiple resistor discs being cascaded, and the top of the lightning arrester body is provided with Top electrode, and arrester
The bottom of body is set to bottom electrode, and the top of the lightning arrester body is provided with voltage piece, draining ring is provided with the voltage piece,
The draining ring is electrically connected with by wire and lightning arrester body, and draining ring is set in the outside of insulator body.
Preferably, wire is withstood in the upper end of the insulator body, and the lower end of insulator body is consolidated by fastening member
It is scheduled on circuit cross-arm.
Preferably, the core parts of the resistor disc are metal oxide resistance, between the adjacent resistor disc and
The periphery of whole resistor discs is provided with integrally formed binder.
Preferably, the periphery of the Top electrode, bottom electrode, resistor disc and fixed seat is provided with and is arranged outside integrally formed insulation
Set.
Preferably, the bottom of the lightning arrester body is connected with ground wire.
Compared with prior art, the beneficial effects of the utility model are：The utility model is by setting Oxide Arrester
Body and draining ring, when distribution wire, which meets thunderbolt on the way, overvoltage occurs, there is anti-short-circuit function, distribution line can not only be improved
Safe and stable operation it is horizontal, and can provide and facilitate for the development of follow-up circuit O＆M and service work.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of lightning arrester body in the utility model.
In figure：1- wires, 2- insulator bodies, 3- cross-arms, 4- lightning arrester bodies, 5- draining rings, 6- surge arrester supports, 7-
Insulator bracket, 8- resistor discs, 9- insulating coatings, 10- Top electrodes, 11- bottom electrodes, 12- fixed seats.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
, it is necessary to explanation in description of the present utility model, the instruction such as term " vertical ", " on ", " under ", " level "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplification
Description, rather than the device or element of instruction or hint meaning must have specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to limitation of the present utility model.
In description of the present utility model, it is also necessary to which explanation, unless otherwise clearly defined and limited, term " are set
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected,
Or it is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, intermediary can also be passed through
It is indirectly connected, can is the connection of two element internals.For the ordinary skill in the art, can be according to specific feelings
Condition understands concrete meaning of the above-mentioned term in the utility model.
Fig. 1, Fig. 2 are referred to, the utility model provides a kind of distribution line overvoltage protection technical scheme：One kind is matched somebody with somebody
Electric line overvoltage protection, including wire 1, insulator body 2, cross-arm 3, lightning arrester body 4 and draining ring 5, the He of wire 1
Insulator body 2 and lightning arrester body 4 are arranged in parallel between cross-arm 3, wire 1 is withstood in the upper end of insulator body 2, and insulate
The lower end of sub- body 2 is fixed on circuit cross-arm 3 by fastening member, and the side of cross-arm 3 is bolted insulator bracket
7, insulator bracket 7 is fixedly connected by fastening member with surge arrester support 6, is installed on surge arrester support 6 by fixed seat 12
There is lightning arrester body 4, lightning arrester body 4 is made up of multiple resistor discs 8 being cascaded, and the core parts of resistor disc 8 are gold
Belong to oxide resistor piece 8, there is the ability of flexible resistance to transient overvoltage and good C-V characteristic, between adjacent resistor piece 8
And the periphery of whole resistor discs 8 is provided with integrally formed binder, when meeting with overvoltage, pressure is caused to discharge and cause to keep away
Thunder device ruptures, and is unlikely to fragment splashing, the top of lightning arrester body 4 is provided with Top electrode 10, and the bottom of lightning arrester body 4 is set to
Bottom electrode 11, Top electrode 10, bottom electrode 11, the periphery of resistor disc 8 and fixed seat 12 are provided with and are arranged integrally formed insulating coating
9, insulativity can be increased, the top of lightning arrester body 4 is provided with voltage piece, is provided with draining ring 5 on voltage piece, draining ring 5 passes through
Wire is electrically connected with lightning arrester body 4, and draining ring 5 is set in the outside of insulator body 2, the bottom of lightning arrester body 4
Ground wire is connected with, is easy to high-voltage impact conduct current the earth.
Operation principle：A kind of distribution line overvoltage protection of the utility model, including wire 1, insulator body 2,
Cross-arm 3, lightning arrester body 4 and draining ring 5, by setting Oxide Arrester body 4 and draining ring 5, in circuit normal operation
When, overvoltage protection insulation against ground, when occurring overvoltage on circuit, protection device action, by high-voltage impact electric current
The earth is oriented to, there is anti-short-circuit function, the safe and stable operation level of distribution line can not only be improved, and can be follow-up line
It is convenient that the development of road O＆M and service work provides, and also has the advantages that simple structure, cheap, easy to maintenance, is easy to push away
Wide application.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of distribution line overvoltage protection, including wire (1), insulator body (2), cross-arm (3), lightning arrester body
And draining ring (5) (4), it is characterised in that：Insulator body (2) has been arranged in parallel between the wire (1) and cross-arm (3) and has been kept away
Thunder device body (4), the side of the cross-arm (3) are bolted insulator bracket (7), and the insulator bracket (7) passes through
Fastening member is fixedly connected with surge arrester support (6), and arrester is provided with by fixed seat (12) on the surge arrester support (6)
Body (4), the lightning arrester body (4) are made up of multiple resistor discs (8) being cascaded, the lightning arrester body (4)
Top is provided with Top electrode (10), and the bottom of lightning arrester body (4) is set to bottom electrode (11), the lightning arrester body (4) it is upper
Side is provided with voltage piece, draining ring (5) is provided with the voltage piece, the draining ring (5) passes through wire and lightning arrester body (4)
It is electrically connected with, and draining ring (5) is set in the outside of insulator body (2).
A kind of 2. distribution line overvoltage protection according to claim 1, it is characterised in that：The insulator body
(2) wire (1) is withstood in upper end, and the lower end of insulator body (2) is fixed on circuit cross-arm (3) by fastening member.
A kind of 3. distribution line overvoltage protection according to claim 1, it is characterised in that：The resistor disc (8)
Core parts be metal oxide resistance (8), between the adjacent resistor disc (8) and whole resistor discs (8) periphery
Provided with integrally formed binder.
A kind of 4. distribution line overvoltage protection according to claim 1, it is characterised in that：The Top electrode
(10), the periphery of bottom electrode (11), resistor disc (8) and fixed seat (12) is provided with and is arranged integrally formed insulating coating (9).
A kind of 5. distribution line overvoltage protection according to claim 1, it is characterised in that：The lightning arrester body
(4) bottom is connected with ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086028.7U CN207052387U (en) | 2017-08-29 | 2017-08-29 | A kind of distribution line overvoltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721086028.7U CN207052387U (en) | 2017-08-29 | 2017-08-29 | A kind of distribution line overvoltage protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207052387U true CN207052387U (en) | 2018-02-27 |
Family
ID=61503689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721086028.7U Active CN207052387U (en) | 2017-08-29 | 2017-08-29 | A kind of distribution line overvoltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207052387U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360495A (en) * | 2022-09-24 | 2022-11-18 | 人天通信集团有限公司 | Lightning-protection coupler |
-
2017
- 2017-08-29 CN CN201721086028.7U patent/CN207052387U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115360495A (en) * | 2022-09-24 | 2022-11-18 | 人天通信集团有限公司 | Lightning-protection coupler |
| CN115360495B (en) * | 2022-09-24 | 2023-10-27 | 人天通信集团有限公司 | Lightning coupler |
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