CN203406590U - High-voltage transmission line comprehensive lightning protection apparatus - Google Patents
High-voltage transmission line comprehensive lightning protection apparatus Download PDFInfo
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- CN203406590U CN203406590U CN201320363858.5U CN201320363858U CN203406590U CN 203406590 U CN203406590 U CN 203406590U CN 201320363858 U CN201320363858 U CN 201320363858U CN 203406590 U CN203406590 U CN 203406590U
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- lightning protection
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- discharge needle
- pole tower
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims description 14
- 238000003466 welding Methods 0.000 claims description 3
- 231100000817 safety factor Toxicity 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc monoxide Chemical compound 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- HCHKCACWOHOZIP-UHFFFAOYSA-N zinc Chemical compound data:image/svg+xml;base64,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 data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nODVweCcgaGVpZ2h0PSc4NXB4JyB2aWV3Qm94PScwIDAgODUgODUnPgo8IS0tIEVORCBPRiBIRUFERVIgLS0+CjxyZWN0IHN0eWxlPSdvcGFjaXR5OjEuMDtmaWxsOiNGRkZGRkY7c3Ryb2tlOm5vbmUnIHdpZHRoPSc4NS4wJyBoZWlnaHQ9Jzg1LjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8dGV4dCB4PSczNS4wJyB5PSc1My42JyBjbGFzcz0nYXRvbS0wJyBzdHlsZT0nZm9udC1zaXplOjIzcHg7Zm9udC1zdHlsZTpub3JtYWw7Zm9udC13ZWlnaHQ6bm9ybWFsO2ZpbGwtb3BhY2l0eToxO3N0cm9rZTpub25lO2ZvbnQtZmFtaWx5OnNhbnMtc2VyaWY7dGV4dC1hbmNob3I6c3RhcnQ7ZmlsbDojM0I0MTQzJyA+WjwvdGV4dD4KPHRleHQgeD0nNTEuMCcgeT0nNTMuNicgY2xhc3M9J2F0b20tMCcgc3R5bGU9J2ZvbnQtc2l6ZToyM3B4O2ZvbnQtc3R5bGU6bm9ybWFsO2ZvbnQtd2VpZ2h0Om5vcm1hbDtmaWxsLW9wYWNpdHk6MTtzdHJva2U6bm9uZTtmb250LWZhbWlseTpzYW5zLXNlcmlmO3RleHQtYW5jaG9yOnN0YXJ0O2ZpbGw6IzNCNDE0MycgPm48L3RleHQ+Cjwvc3ZnPgo= [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
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Abstract
A high-voltage transmission line comprehensive lightning protection apparatus belongs to the lightning protection technical field. The apparatus has two identical parts. Each part is structurally designed in a way that a base with an upper surface being an outward protruding curved face is fastened on a base plate; the lower end of each discharge needle sleeve pipe is welded and fastened on the outward protruding curved face of the base; the multiple discharge needle sleeve pipes are uniformly distributed on the outward protruding curved face of the base in a radial way; and a discharge needle is inserted in the upper end of each discharge needle sleeve pipe. The two parts are arranged on a high-voltage transmission pole tower in a bilaterally symmetrical way. The apparatus is characterized in that a horizontal pull bar is connected in a bridge way between the bases of the two parts. The horizontal pull bar can balance the force received on the two wings of the pole tower and make the pole tower vertically arranged on the central position. The dynamic stability safety factor is thus enhanced. Compared with a conventional super-high-voltage line comprehensive lightning protection apparatus, the apparatus provided by the utility model has the advantages of improving the dynamic stability safety factor between the two bilaterally symmetrically arranged parts on the pole tower.
Description
Technical field
The utility model belongs to shocking preventing technology field.
Background technology
At present, the domestic ultra-high-tension power transmission line dissipation array once using is generally " array type " and " sleeping load type ", and its structure is also on the books in patent documentation, as Chinese patent document CN92105259, CN93243053.Through practice test, these dissipation arrays are during for the region ultra-high-tension power transmission line of most landforms, and its lightning protection effect is not obvious, and the situation that thunder and lightning is attacked dissipation array directly once occurred repeatedly, therefore for ultra-high-tension power transmission line, be difficult to meet specification requirement.
Application number is that the Chinese patent literature of 96215220.X has been announced a kind of " Integrate lightning protection device for ultrahighvoltage line ", it is left and right two parts and is arranged symmetrically with on shaft tower, the pedestal of every part is with an end socket, many sleeve pipes are that radiation is uniform to be welded on end socket, each needle tubing is contained in respectively on sleeve pipe again, needle point on every cover end socket all on 1/4 concentric sphere, transmission line-oriented top, end socket surface and outside.This device can be given full play to the ionisation effect under thundercloud highfield; protection range is strengthened; its size and small volume; mechanical strength is reliable; easy for installation; can meet the working on live ultrahigh tension power lines at 500kV, but in using, find that the moving buckling safety factor being between left and right two parts that are arranged symmetrically with on shaft tower need to improve.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of Comprehensive Lightning Protection for High-voltage Transmission Lines device is provided, and its moving buckling safety factor being on shaft tower between left and right two parts that are arranged symmetrically with is improved.
The utility model device includes identical two parts, the structure of every part is that a upper surface is that the base of outer convex surface is fastened on a base plate, the lower end welding of every in many spray point sleeve pipes is fastened on the outer convex surface of base, thereby many spray point sleeve pipes are on the outer convex surface that is distributed on radially base, the upper end of every spray point sleeve pipe is inserted with a spray point, two parts are left and right symmetrical mounting arrangements on high voltage power transmission tower bar, it is characterized in that: between two-part base, cross-over connection has a girt.
Girt is can balance shaft tower both wings stressed to be made it vertically in shaft tower center, thereby has strengthened moving buckling safety factor.
The on-the-spot combination assembling spray point in head of mast.No matter in the wild on hillside, or high-tension line (to 500KV) all can move live line working and installs, and to 500KV and above supertension line, lightning protection device all has reliable mechanical strength through icing, high-altitude wind speed and wind vibration factor checking computations.
Can be at lightning protection device down conductor and earth mat junction access earth-current collector and dissipation current sensing means.Earth-current collector is that ground network and downlead junction increase centralized earthing device, and is horizontal mesh earth electrode or concentrated vertical grounding electrode according to soil resistivity different designs.Dissipation current sensing means is comprised of nonlinear resistance (ZnO) sheet and sieve fruit husband coil, plays the surveying record ionization dissipation function of current.
The material of spray point, aciculiform, pin length and angle have determined around lightning protection device top ion screen, the selection of these parameters is through in high voltage test hall, repeatedly lightning impulse discharge probability by reduce in scale simulation thundercloud to radiation pin, gets the aciculiform of breakdown probability minimum as design considerations.
Compare with existing Integrate lightning protection device for ultrahighvoltage line, the utility model has the advantages that the moving buckling safety factor being between left and right two parts that are arranged symmetrically with on shaft tower is improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of single part in embodiment.
Fig. 2 is the structural representation under embodiment use state.
Embodiment:
See the embodiment of Fig. 1 and Fig. 2: the structure of every part is that a upper surface is that the base 1 of outer convex surface is fastened on a base plate 2, the lower end welding of every in 5 spray point sleeve pipes 3 is fastened on the outer convex surface of base 1, thereby 5 spray point sleeve pipes 3 are on the outer convex surface that is distributed on radially base 1, and the upper end of every spray point sleeve pipe 3 is inserted with a spray point 4.Identical two parts are left and right symmetrical mounting arrangements on high voltage power transmission tower bar 6, and between two-part base, cross-over connection has a girt 5.In figure, 7 is lacing wire, and 8 is electric wire.
This device lifting maximum weight is 35～40KG, so just can be between the phase line of transmission line vertical lifting, guarantee enough safety work distances, unlikely causing danger.The entire infrastructure part of this device can carry out hot galvanizing processing easily, to guarantee the life-span of long-term operation in high-altitude and to exempt maintenance.
This lightning protection device good integrity, volume is little, lightweight, can meet the specification requirement that does not have a power failure and install at 500KV circuit; The connected mode of sleeve pipe and needle tubing, has firm stable, easy for installation, is convenient to work high above the ground, in assembling, can not damage the advantages such as zinc coat; Its special version and the mounting means on shaft tower, can obtain higher ionisation effect, expanded lightning protection; Between intermediate casing and each needle tubing, load connects lacing wire, and the plug-in type of sleeve pipe and needle tubing is slidably matched and fixes with flange.
Claims (1)
1. a Comprehensive Lightning Protection for High-voltage Transmission Lines device, include identical two parts, the structure of every part is that a upper surface is that the base of outer convex surface is fastened on a base plate, the lower end welding of every in many spray point sleeve pipes is fastened on the outer convex surface of base, thereby many spray point sleeve pipes are on the outer convex surface that is distributed on radially base, the upper end of every spray point sleeve pipe is inserted with a spray point, two parts are left and right symmetrical mounting arrangements on high voltage power transmission tower bar, it is characterized in that: between two-part base, cross-over connection has a girt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363858.5U CN203406590U (en) | 2013-06-24 | 2013-06-24 | High-voltage transmission line comprehensive lightning protection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320363858.5U CN203406590U (en) | 2013-06-24 | 2013-06-24 | High-voltage transmission line comprehensive lightning protection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406590U true CN203406590U (en) | 2014-01-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320363858.5U Expired - Fee Related CN203406590U (en) | 2013-06-24 | 2013-06-24 | High-voltage transmission line comprehensive lightning protection apparatus |
Country Status (1)
| Country | Link |
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| CN (1) | CN203406590U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429217A (en) * | 2018-03-27 | 2018-08-21 | 广州华立科技职业学院 | A kind of power transmission tower equipped with electric power remote monitoring and control system |
-
2013
- 2013-06-24 CN CN201320363858.5U patent/CN203406590U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429217A (en) * | 2018-03-27 | 2018-08-21 | 广州华立科技职业学院 | A kind of power transmission tower equipped with electric power remote monitoring and control system |
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