CN214279713U - High-voltage side lightning arrester for direct current circuit - Google Patents
High-voltage side lightning arrester for direct current circuit Download PDFInfo
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- CN214279713U CN214279713U CN202120396242.2U CN202120396242U CN214279713U CN 214279713 U CN214279713 U CN 214279713U CN 202120396242 U CN202120396242 U CN 202120396242U CN 214279713 U CN214279713 U CN 214279713U
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- electrode ring
- spacer
- voltage
- mounting plate
- ring mounting
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Abstract
The utility model relates to a high-voltage side lightning arrester for a direct current, which is arranged on a high-voltage direct current transmission line tower; the lightning arrester comprises a spacing rod and an electrode ring; the spacer is an octagonal spacer for eight-split large-section conductors, wire clamps are respectively mounted on eight corners of the spacer, the wire clamps are clamped on the high-voltage conductors in a one-to-one correspondence manner, an electrode ring mounting plate is arranged on the spacer, the electrode ring mounting plate is transverse, and two ends of the electrode ring mounting plate are respectively fixedly connected to two horizontally opposite edges of the spacer; the electrode ring is horizontally arranged right below the spacer and is fixedly connected with the electrode ring mounting plate through a bracket; the high-voltage leads are opposite in pairs; each high-voltage wire is provided with a flow guide connecting device, the flow guide connecting devices on the two opposite high-voltage wires are connected through wires, and the number of the wires is four, and the four wires are respectively connected with the bracket; a flow guide wire clamp is arranged between the lead and the support, one end of the flow guide wire clamp clamps the lead, and the other end of the flow guide wire clamp clamps the support.
Description
Technical Field
The utility model relates to a high-voltage circuit, concretely relates to high-pressure side arrester for direct current way.
Background
With the wide construction of the ultrahigh voltage transmission line engineering in China in recent years, the lightning protection reconstruction project of the ultrahigh voltage engineering is gradually adopted, wherein the transmission line with +/-1100 kv puts higher requirements on the safety performance, and the lightning arrester plays an important role in the line safety as a safety device for improving the lightning resistance level of the line and reducing the accident rate of line lightning trip and the like.
Disclosure of Invention
In order to solve the problem, the utility model provides a high-pressure side arrester for 1100kv direct current circuit.
The technical scheme of the utility model:
a high-voltage side lightning arrester for a direct current circuit is arranged on a high-voltage direct current transmission line tower; the lightning arrester comprises a spacing rod and an electrode ring; the spacer is an octagonal spacer for eight-split large-section conductors, wire clamps are respectively mounted on eight corners of the spacer, the wire clamps are clamped on the high-voltage conductors in a one-to-one correspondence manner, an electrode ring mounting plate is arranged on the spacer, the electrode ring mounting plate is transverse, and two ends of the electrode ring mounting plate are respectively fixedly connected to two horizontally opposite edges of the spacer; the electrode ring is horizontally arranged right below the spacer and is fixedly connected with the electrode ring mounting plate through a bracket; the high-voltage leads are opposite in pairs.
And four guide connecting devices are arranged on each high-voltage wire, and are connected with the support through wires.
A flow guide wire clamp is arranged between the lead and the support, one end of the flow guide wire clamp clamps the lead, and the other end of the flow guide wire clamp clamps the support.
The two electrode ring mounting plates are symmetrically arranged on the front side and the rear side of the spacer respectively; the support comprises four support rods, the four support rods are divided into two groups and are opposite, one group of support rods is connected with one electrode ring mounting plate and one electrode ring, and the other group of support rods is connected with the other electrode ring mounting plate and the other electrode ring.
Two wires are located before the conductor spacer, behind two wires are located the conductor spacer, and the water conservancy diversion fastener one-to-one centre gripping cradling piece, and symmetrical.
The electrode ring is a runway-shaped electrode ring.
The utility model has the advantages that the design is reasonable, the structure is simple, the eight-split spacing rod is adopted to install the electrode ring, the electrode ring mounting plate is designed, the electrode ring mounting plate serves as a beam of the eight-split spacing rod, the spacing rod can be effectively reinforced, and meanwhile, the electrode ring with larger diameter (the electrode ring is inconvenient to mount in the past) can be mounted, so that the bearing grade can be improved, and the pressure can reach +/-1100 kv; and the guide line is adopted to clamp the wire connected with the guide connecting device, so that the damage of the lightning arrester caused by the shaking of the wire in use is avoided.
Drawings
Fig. 1 is a schematic view of installation of a high-voltage side arrester for a direct current circuit.
In the figure, a spacer 1-1 wire clamp 1-1-1 electrode ring 1-2 electrode ring mounting plate 1-3 bracket 1-4 guide connecting device 1-5 lead 1-6 guide wire clamp 1-7 high-voltage lead 2.
Detailed Description
As shown in the figure, the high-voltage side lightning arrester for the direct current is arranged on a high-voltage direct current transmission line tower; the lightning arrester comprises a spacer rod 1-1 and an electrode ring 1-2; the spacer 1-1 is an eight-split large-section conductor spacer which is octagonal, the eight corners of the spacer are respectively provided with wire clamps 1-1-1, the wire clamps 1-1-1 are clamped on the high-voltage conductor 2 in a one-to-one correspondence manner, the spacer 1-1 is provided with electrode ring mounting plates 1-3, the electrode ring mounting plates 1-3 are transversely arranged, and two ends of the electrode ring mounting plates are respectively and fixedly connected to two horizontally opposite edges of the spacer 1-1; the electrode ring 1-2 is horizontally arranged under the spacer 1-1 and is fixedly connected with the electrode ring mounting plate 1-3 through a support 1-4; the high-voltage leads 2 are opposite in pairs; each high-voltage wire 2 is provided with a flow guide connecting device 1-5, the flow guide connecting devices 1-5 on the two opposite high-voltage wires are connected through wires 1-6, and the number of the wires 1-6 is four, and the four wires are respectively connected with the brackets 1-4; a flow guide wire clamp 1-7 is arranged between the lead wire 1-6 and the support 1-4, one end of the flow guide wire clamp 1-7 is clamped on the lead wire 1-6, and the other end is clamped on the support 1-4; the two electrode ring mounting plates 1-4 are symmetrically arranged on the front side and the rear side of the spacer 1-1 respectively; the support 1-4 comprises four support rods which are divided into two groups and are opposite, wherein one group of support rods is connected with one electrode ring mounting plate and the electrode ring 1-2, and the other group of support rods is connected with the other electrode ring mounting plate and the electrode ring 1-2; the two wires 1-6 are positioned in front of the spacer 1-1, the two wires 1-6 are positioned behind the spacer 1-1, and the guide wire clamps 1-7 clamp the support rods in a one-to-one correspondence manner and are symmetrical; the electrode rings 1-2 are racetrack-shaped electrode rings.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (4)
1. A high-voltage side lightning arrester for a direct current circuit is arranged on a high-voltage direct current transmission line tower; the lightning arrester comprises a spacing rod and an electrode ring; the high-voltage conductor spacer is characterized in that the spacer is an eight-split large-section conductor spacer which is octagonal, line clamps are respectively arranged on eight corners of the spacer, the line clamps are correspondingly clamped on high-voltage conductors one by one, an electrode ring mounting plate is arranged on the spacer, the electrode ring mounting plate is transverse, and two ends of the electrode ring mounting plate are respectively and fixedly connected to two horizontally opposite edges of the spacer; the electrode ring is horizontally arranged right below the spacer and is fixedly connected with the electrode ring mounting plate through a bracket; the high-voltage leads are opposite in pairs;
each high-voltage wire is provided with a flow guide connecting device, the flow guide connecting devices on the two opposite high-voltage wires are connected through wires, and the number of the wires is four, and the four wires are respectively connected with the bracket;
a flow guide wire clamp is arranged between the lead and the support, one end of the flow guide wire clamp clamps the lead, and the other end of the flow guide wire clamp clamps the support.
2. The high-voltage side arrester as claimed in claim 1, wherein the number of the electrode ring mounting plates is two, and the two electrode ring mounting plates are symmetrically arranged on the front side and the rear side of the spacer respectively; the support comprises four support rods, the four support rods are divided into two groups and are opposite, one group of support rods is connected with one electrode ring mounting plate and one electrode ring, and the other group of support rods is connected with the other electrode ring mounting plate and the other electrode ring.
3. The high-voltage side arrester as claimed in claim 2, wherein the two conductors are located in front of the spacer and behind the spacer, and the conducting clamps are symmetrical and clamp the support rods in a one-to-one correspondence.
4. The high side arrester of claim 1 wherein the electrode ring is a racetrack electrode ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396242.2U CN214279713U (en) | 2021-02-23 | 2021-02-23 | High-voltage side lightning arrester for direct current circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120396242.2U CN214279713U (en) | 2021-02-23 | 2021-02-23 | High-voltage side lightning arrester for direct current circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214279713U true CN214279713U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120396242.2U Active CN214279713U (en) | 2021-02-23 | 2021-02-23 | High-voltage side lightning arrester for direct current circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214279713U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725878A (en) * | 2022-05-12 | 2022-07-08 | 国网山东省电力公司招远市供电公司 | Lightning protection device for high-voltage overhead insulated line |
-
2021
- 2021-02-23 CN CN202120396242.2U patent/CN214279713U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114725878A (en) * | 2022-05-12 | 2022-07-08 | 国网山东省电力公司招远市供电公司 | Lightning protection device for high-voltage overhead insulated line |
| CN114725878B (en) * | 2022-05-12 | 2023-12-08 | 国网山东省电力公司招远市供电公司 | Lightning protection device for high-voltage overhead insulated line |
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