CN220306933U - Device for effectively reducing noise influence of power transmission line - Google Patents
Device for effectively reducing noise influence of power transmission line Download PDFInfo
- Publication number
- CN220306933U CN220306933U CN202321955406.6U CN202321955406U CN220306933U CN 220306933 U CN220306933 U CN 220306933U CN 202321955406 U CN202321955406 U CN 202321955406U CN 220306933 U CN220306933 U CN 220306933U
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- China
- Prior art keywords
- strip
- clamping strip
- transmission line
- lap joint
- clamping
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 239000004744 fabric Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 5
- 238000000034 method Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005457 optimization Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000002209 hydrophobic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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- Non-Insulated Conductors (AREA)
Abstract
The utility model provides a device for effectively reducing the influence of noise of a power transmission line, which comprises waterproof oxford and a first clamping strip; the section of the cable is of a circular structure; the first clamping strip and the second clamping strip are adhered to two sides of the inner wall of the waterproof oxford fabric; the waterproof oxford is wrapped on the surface of the cable and is clamped and fixed with the second clamping strip through the first clamping strip; the lap joint strip is wrapped at the end part of the waterproof oxford fabric; the pressing plates are stuck to the outer sides of the lap joint strips at the supporting blocks, the pressing plates at the two sides are fixed through bolts, and the two ends of the pressing plates are overlapped with the first clamping strips and the second clamping strips; the sealing mud is filled between the lap joint strip and the cable; the utility model has the advantages of reducing the corona noise and wind noise of the transmission line, being convenient to install and capable of being installed according to the needs and reducing the use cost by improving the device for effectively reducing the influence of the noise of the transmission line, thereby effectively solving the problems and the defects in the prior device.
Description
Technical Field
The utility model relates to the technical field of electric power, in particular to a device for effectively reducing the influence of noise of a power transmission line.
Background
Along with the increase of the power transmission demand, a power transmission line is built on a large scale in the global scope; the transmission line is inevitably exposed to bad weather such as rain, fog, condensation and the like when transmitting electric energy, and water drops are attached to the surface of the transmission line in the bad weather, so that a space electric field around the transmission line is severely distorted, corona is generated, the corona audible noise of the transmission line is greatly increased and exceeds the standard limit value of environmental noise, and meanwhile, noise is generated when wind passes through the transmission line, and the living of nearby residents is influenced.
In order to eliminate noise generated by wind, the shape of a power transmission line is generally changed to enable the surface of the power transmission line to generate bulges, and turbulence is generated when wind passes through to reduce wind noise; the waterproof material is sprayed on the surface of the power transmission line, so that water drops cannot form to reduce the formation of corona, noise is reduced, the whole power transmission line is required to be treated in two treatments, the production cost is high, and only a section of cable close to a residential area is required to be subjected to noise reduction treatment in use.
In view of the above, the present utility model has been made in view of the above problems, and it is an object of the present utility model to provide a device for effectively reducing the influence of noise on a power transmission line, which solves the problems and improves the practical value.
Disclosure of Invention
The utility model aims to provide a device for effectively reducing the influence of noise of a power transmission line, so as to solve the problems and the defects in the background art.
In order to achieve the above purpose, the present utility model provides a device for effectively reducing the noise influence of a power transmission line, which is achieved by the following specific technical means:
the device for effectively reducing the noise influence of the power transmission line comprises waterproof oxford fabric, a first clamping strip, a second clamping strip, a lap joint strip, a supporting block, a pressing plate and sealing mud; the section of the cable is of a circular structure; the first clamping strip and the second clamping strip are adhered to two sides of the inner wall of the waterproof oxford fabric; the waterproof oxford is wrapped on the surface of the cable and is clamped and fixed with the second clamping strip through the first clamping strip; the lap joint strip is wrapped at the end part of the waterproof oxford fabric; the supporting blocks are stuck and fixed at the middle positions of the two sides of the inner wall of the lap joint strip; the pressing plates are stuck to the outer sides of the lap joint strips at the supporting blocks, the pressing plates at the two sides are fixed through bolts, and the two ends of the pressing plates are overlapped with the first clamping strips and the second clamping strips; the sealing mud is filled between the lap joint strip and the cable.
As a further optimization of the technical scheme, the first clamping strip is of a rectangular strip-shaped structure, and a through groove with an English letter 'T' is formed in the middle of the first clamping strip.
As a further optimization of the technical scheme, the second clamping strip is of a strip-shaped structure with an English letter T-shaped section, and the end part of the second clamping strip is of an isosceles trapezoid structure.
As a further optimization of the technical scheme, the supporting block is of a rectangular block structure, round through holes for two through bolts are formed in the supporting block, and two positions of the supporting block are arranged on the lap joint strip.
As a further optimization of the technical scheme, the pressing plate is of a rectangular plate-shaped structure, threaded holes are formed in the pressing plate, and two positions of the pressing plate are arranged on the lap joint strip.
As a further optimization of the technical scheme, the lap joint strip is made of waterproof oxford.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
1. the waterproof oxford is wrapped on the surface of the cable, and is fixedly clamped with the second clamping strip through the first clamping strip, so that the waterproof oxford has a hydrophobic effect, water drops are prevented from being formed on the surface of the cable by rainwater, the generation of line corona noise is reduced, meanwhile, the first clamping strip and the second clamping strip form bulges on the surface of the cable, stable air flow is damaged, noise generated after the power transmission line is blown by wind in the air is weakened, and wind noise is reduced.
2. The second clamping strip is of a strip-shaped structure with an English letter T-shaped cross section, the end part of the second clamping strip is of an isosceles trapezoid structure, the waterproof oxford is fixed on the surface of the cable through clamping of the first clamping strip and the second clamping strip, the installation is convenient, and the waterproof oxford is only installed at a position needing noise elimination, so that the cost is reduced.
3. The utility model has the advantages of reducing the corona noise and wind noise of the transmission line, being convenient to install and capable of being installed according to the needs and reducing the use cost by improving the device for effectively reducing the influence of the noise of the transmission line, thereby effectively solving the problems and the defects in the prior device.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an explosive structure according to the present utility model;
FIG. 3 is a schematic view of a first clamping bar and a second clamping bar according to the present utility model;
FIG. 4 is a schematic view of a portion of a lap strap of the present utility model.
In the figure: the waterproof oxford fabric comprises a cable 1, waterproof oxford fabric 2, a first clamping strip 3, a second clamping strip 4, a lap joint strip 5, a supporting block 6, a pressing plate 7 and sealing mud 8.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
The device for effectively reducing the noise influence of the power transmission line comprises waterproof oxford 2, a first clamping strip 3, a second clamping strip 4, a lap joint strip 5, a supporting block 6, a pressing plate 7 and sealing mud 8; the section of the cable 1 is of a circular structure; the first clamping strip 3 and the second clamping strip 4 are stuck to two sides of the inner wall of the waterproof oxford fabric 2; the first clamping strip 3 is of a rectangular strip-shaped structure, and a through groove with an English letter T is formed in the middle of the first clamping strip 3; the second clamping strip 4 is of a strip-shaped structure with an English letter T-shaped section, the end part of the second clamping strip 4 is of an isosceles trapezoid structure, the waterproof oxford 2 is fixed on the surface of the cable 1 through clamping the first clamping strip 3 and the second clamping strip 4, the installation is convenient, and the waterproof oxford is only installed at a position needing noise elimination, so that the cost is reduced; the waterproof oxford 2 is wrapped on the surface of the cable 1, and the waterproof oxford 2 is clamped and fixed with the second clamping strip 4 through the first clamping strip 3; waterproof oxford 2 has the hydrophobic effect, has prevented that the rainwater from forming the water droplet at cable 1's surface, has reduced the production of circuit corona noise, and first joint strip 3 and second joint strip 4 form the arch at cable 1's surface simultaneously, destroys steady air current, has weakened the power transmission line and has blown the noise that produces after the sky windy, has reduced wind noise.
The lap joint strip 5 is wrapped at the end part of the waterproof oxford 2; the lap joint strip 5 is made of waterproof oxford and is used for lap joint of the waterproof oxford 2; the supporting blocks 6 are stuck and fixed at the middle positions of the two sides of the inner wall of the lap joint strip 5; the supporting block 6 is of a rectangular block structure, two round through holes penetrating through bolts are formed in the supporting block 6, two positions of the supporting block 6 are arranged on the lap joint strip 5, and the supporting block 6 plays a role in supporting the pressing plate 7; the pressing plates 7 are adhered to the outer sides of the lap joint strips 5 at the supporting blocks 6, the pressing plates 7 at the two sides are fixed through bolts, and the two ends of the pressing plates 7 are overlapped with the first clamping strips 3 and the second clamping strips 4; the pressing plate 7 is of a rectangular plate-shaped structure, a threaded hole is formed in the pressing plate 7, two positions of the pressing plate 7 are arranged on the lap joint strip 5, and the pressing plate 7 is used for lap joint at the joint and connecting the first clamping strip 3 and the second clamping strip 4 at two sides; the sealing mud 8 is filled between the lap joint strip 5 and the cable 1, so that rainwater is prevented from entering between the cable 1 and the waterproof oxford 2.
The specific implementation steps are as follows: in the conveying section of the cable 1 with high noise affecting the life of residents, the waterproof oxford 2 is wrapped on the surface of the cable 1 and is clamped and fixed through the first clamping strip 3 and the second clamping strip 4, when the length is insufficient, the multi-section waterproof oxford 2 can be connected at the joint through the lap joint strip 5 in lap joint mode, the pressing plate 7 is pressed on the outer sides of the first clamping strip 3 and the second clamping strip 4 on the two sides through bolts, the waterproof oxford 2 on the two sides is connected, and rainwater is prevented from entering; after the installation is finished, the two ends of the waterproof oxford 2 are wrapped by the lap joint strips 5, sealing mud 8 is filled between the lap joint strips 5 and the cable 1, the pressing plate 7 is fixed by bolts, and the sealing mud 8 can prevent rainwater from entering.
To sum up: according to the device for effectively reducing the influence of noise of the power transmission line, waterproof oxford is wrapped on the surface of the cable and is fixedly clamped with the second clamping strip through the first clamping strip, the waterproof oxford has a hydrophobic effect, rainwater is prevented from forming water drops on the surface of the cable, the generation of corona noise of the line is reduced, meanwhile, the first clamping strip and the second clamping strip form protrusions on the surface of the cable, stable air flow is damaged, noise generated after the power transmission line is blown in the air is weakened, and wind noise is reduced; the second clamping strip is of a strip-shaped structure with an English letter T-shaped section, the end part of the second clamping strip is of an isosceles trapezoid structure, the waterproof oxford is fixed on the surface of the cable through clamping of the first clamping strip and the second clamping strip, the installation is convenient, and the waterproof oxford is only installed at a position needing noise elimination, so that the cost is reduced; the utility model has the advantages of reducing the corona noise and wind noise of the transmission line, being convenient to install and capable of being installed according to the needs and reducing the use cost by improving the device for effectively reducing the influence of the noise of the transmission line, thereby effectively solving the problems and the defects in the prior device.
Claims (6)
1. The device for effectively reducing the noise influence of the power transmission line comprises waterproof oxford (2), a first clamping strip (3), a second clamping strip (4), a lap joint strip (5), a supporting block (6), a pressing plate (7) and sealing mud (8); the method is characterized in that: the first clamping strip (3) and the second clamping strip (4) are adhered to two sides of the inner wall of the waterproof oxford fabric (2); the waterproof oxford (2) is wrapped on the surface of the cable (1), and the waterproof oxford (2) is clamped and fixed with the second clamping strip (4) through the first clamping strip (3); the lap joint strip (5) is wrapped at the end part of the waterproof oxford (2); the supporting blocks (6) are stuck and fixed at the middle positions of the two sides of the inner wall of the lap joint strip (5); the pressing plates (7) are adhered to the outer sides of the lap joint strips (5) at the supporting blocks (6), the pressing plates (7) at the two sides are fixed through bolts, and the two ends of the pressing plates (7) are overlapped with the first clamping strips (3) and the second clamping strips (4); the sealing mud (8) is filled between the lap joint strip (5) and the cable (1), and the section of the cable (1) is of a circular structure.
2. The apparatus for effectively reducing noise effects of a transmission line according to claim 1, wherein: the first clamping strip (3) is of a rectangular strip-shaped structure, and a through groove with an English letter 'T' is formed in the middle of the first clamping strip (3).
3. The apparatus for effectively reducing noise effects of a transmission line according to claim 1, wherein: the second clamping strip (4) is of a strip-shaped structure with an English letter T-shaped cross section, and the end part of the second clamping strip (4) is of an isosceles trapezoid structure.
4. The apparatus for effectively reducing noise effects of a transmission line according to claim 1, wherein: the supporting block (6) is of a rectangular block structure, two round through holes penetrating through bolts are formed in the supporting block (6), and two positions of the supporting block (6) are arranged on the lap joint strip (5).
5. The apparatus for effectively reducing noise effects of a transmission line according to claim 1, wherein: the pressing plate (7) is of a rectangular plate-shaped structure, threaded holes are formed in the pressing plate (7), and two positions of the pressing plate (7) are arranged on the lap joint strip (5).
6. The apparatus for effectively reducing noise effects of a transmission line according to claim 1, wherein: the lap joint strip (5) is made of waterproof oxford fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955406.6U CN220306933U (en) | 2023-07-25 | 2023-07-25 | Device for effectively reducing noise influence of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321955406.6U CN220306933U (en) | 2023-07-25 | 2023-07-25 | Device for effectively reducing noise influence of power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306933U true CN220306933U (en) | 2024-01-05 |
Family
ID=89347292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321955406.6U Active CN220306933U (en) | 2023-07-25 | 2023-07-25 | Device for effectively reducing noise influence of power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306933U (en) |
-
2023
- 2023-07-25 CN CN202321955406.6U patent/CN220306933U/en active Active
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