CN210326943U - Novel lightning protection structure of transmission line - Google Patents
Novel lightning protection structure of transmission line Download PDFInfo
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- CN210326943U CN210326943U CN201921694124.9U CN201921694124U CN210326943U CN 210326943 U CN210326943 U CN 210326943U CN 201921694124 U CN201921694124 U CN 201921694124U CN 210326943 U CN210326943 U CN 210326943U
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- clamping plate
- power transmission
- lightning
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Abstract
The utility model belongs to the technical field of the power transmission line lightning protection, concretely relates to novel lightning protection structure of transmission line, include two piece at least shaft towers and connect lightning conductor and the power transmission line between the shaft tower, the lightning conductor is located the power transmission line top, the lightning conductor with link to each other through a plurality of connecting piece between the power transmission line. The utility model discloses a lightning protection structure passes through the connecting piece and connects lightning conductor and power transmission line in an organic whole, has avoided the power transmission line to be blown by strong wind, makes its effective lightning-arrest scope that does not surpass the lightning conductor, makes the lightning conductor play effectual lightning-arrest effect.
Description
Technical Field
The utility model belongs to the technical field of the power transmission line lightning protection, concretely relates to novel lightning protection structure of transmission line.
Background
Lightning protection of power transmission lines is usually achieved by erecting a lightning conductor above the high voltage power transmission line. Due to the design of the high-voltage line tower, some high-voltage line towers are still on mountains, and lightning strike is inevitable in rainy weather. Lightning strikes on a power transmission line can affect the voltage of the entire line system or cause irreversible damage to the power transmission line and associated equipment.
All be mutual independence between current lightning conductor and the power transmission line, when meeting with strong wind thunderstorm weather, the strong wind blows power transmission line and lightning conductor easily for take place relative deviation between power transmission line and the lightning conductor, thereby lead to the effectual lightning-arrest effect that the lightning conductor can't play, consequently, provide a novel lightning protection structure of overhead high tension transmission line that lightning-arrest effectual in order to satisfy the demand.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel lightning protection structure of transmission line, this kind of lightning protection structure pass through the connecting piece with the lightning conductor and the power transmission line is connected in an organic whole, have avoided the power transmission line to be blown by strong wind, make it not exceed the effective lightning-arrest scope of lightning conductor, make the lightning conductor play effectual lightning-arrest effect.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a novel lightning protection structure of transmission line, includes two piece at least shaft towers and connects lightning conductor and the power transmission line between the shaft tower, the lightning conductor is located the power transmission line top, the lightning conductor with link to each other through a plurality of connecting piece between the power transmission line.
Connect the lightning conductor in an organic whole with the power transmission line through the connecting piece to prevent that strong wind from blowing lightning conductor and power transmission line, avoid lightning conductor and power transmission line to produce stronger dislocation phenomenon, reduce the probability that the power transmission line was hit by the thunder and lightning directly, thereby improve the lightning-arrest effect of power transmission line.
Furthermore, the tower is provided with a grounding wire, the top of the tower is provided with a metal base, one end of the grounding wire is grounded, the other end of the grounding wire extends to the top of the tower and is connected to the metal base, and the metal base is fixedly provided with a plurality of discharge needles.
Further, the end of the lightning conductor is connected with the grounding wire.
When lightning strikes the lightning conductor, lightning current is transmitted to the ground wire through the lightning conductor and is transmitted to the ground through the ground wire, when the lightning current is too large, the lightning current can be transmitted to the metal base through the ground wire, and the lightning current is released to the air through the discharge needles so as to share part of the current discharged to the ground.
Furthermore, the plurality of discharge needles are uniformly distributed on the metal base in a radial shape, and one ends of the plurality of discharge needles far away from the tower form a spherical surface structure. The structure enhances the discharge effect of the discharge needle.
Further, a plurality of the connecting pieces are distributed at equal intervals. The connection stability of the connecting piece is strengthened.
Further, the connecting piece comprises an upper clamping plate, a lower clamping plate and a connecting rod, and the upper clamping plate is fixedly connected with the lower clamping plate through the connecting rod.
Furthermore, the upper clamping plate and the lower clamping plate are the same in structure and are of a C-shaped structure, and the C-shaped openings of the upper clamping plate and the lower clamping plate are arranged in the same direction.
When the connecting piece is installed, the lightning conductor and the power transmission line are clamped into the upper clamping plate and the lower clamping plate from the C-shaped openings of the upper clamping plate and the lower clamping plate respectively, and the lightning conductor and the power transmission line are clamped and fixed through the upper clamping plate and the lower clamping plate; when meeting with strong wind weather, connect the lightning conductor and power transmission line in an organic whole through last cardboard, connecting rod and lower cardboard, avoid the power transmission line to be blown by strong wind, make the power transmission line be in the effective lightning-arrest scope of lightning conductor, guarantee that the lightning conductor plays effectual lightning-arrest effect.
Further, the upper clamping plate, the connecting rod and the lower clamping plate are integrally formed by insulating materials. The insulating material can be ceramic, glass or plastic.
Further, the insulating material is polytetrafluoroethylene.
Consider when the erection joint spare, need go up cardboard and lower cardboard inside from the C type opening part card of last cardboard and lower cardboard respectively with lightning conductor and power transmission line, still need to guarantee simultaneously that go up cardboard and lower cardboard carry out the chucking to lightning conductor and power transmission line and fix, consequently, go up cardboard and lower cardboard and still need possess certain toughness simultaneously, so go up the cardboard, connecting rod and lower cardboard are made by polytetrafluoroethylene material integrated into one piece.
Furthermore, the upper clamping plate and the lower clamping plate are the same in structure and are of a C-shaped structure, and the C-shaped openings of the upper clamping plate and the lower clamping plate are arranged in a reverse direction.
Go up the cardboard through the opposite setting of C type opening and carry out the chucking with lower cardboard to lightning conductor and power transmission line fixed, improved the stability of being connected between lightning conductor and the power transmission line, still avoided simultaneously because of wind-force is great leading to the connecting piece to break away from lightning conductor and power transmission line.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model connects the lightning conductor and the power transmission line into a whole through the connecting piece, so as to prevent the lightning conductor and the power transmission line from being blown by strong wind, avoid the lightning conductor and the power transmission line from generating stronger dislocation, reduce the probability that the power transmission line is directly hit by thunder and lightning, improve the lightning protection effect of the power transmission line and better protect the power transmission line; meanwhile, when lightning strikes the lightning conductor, lightning current is transmitted to the ground wire through the lightning conductor and then transmitted to the ground, when the lightning current is too large, the lightning current can be transmitted to the metal base through the ground wire, and the lightning current is released to the air through the discharge needles so as to share part of current discharged to the ground, and the lightning protection effect is better improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view showing the structure of a connecting member in embodiment 1;
FIG. 3 is a schematic view showing the structure of a connecting member in embodiment 2;
in the figure: 1-pole tower, 2-lightning conductor, 3-power transmission line, 4-connecting piece, 41-upper clamping plate, 42-lower clamping plate, 43-connecting rod, 5-grounding wire, 6-metal base and 7-discharge needle.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
Example 1:
as shown in fig. 1-2, the embodiment provides a novel lightning protection structure for a power transmission line, which includes two towers 1, and a lightning conductor 2 and a power transmission line 3 connected between the two towers 1, wherein the lightning conductor 2 is located above the power transmission line 3, and the lightning conductor 2 and the power transmission line 3 are connected through a plurality of connectors 4 distributed at equal intervals;
in the weather of strong wind, thunder and rain, the lightning conductor 2 and the power transmission line 3 are connected into a whole through the connecting piece 4, so that the lightning conductor 2 and the power transmission line 3 are prevented from being blown by strong wind, a strong dislocation phenomenon between the lightning conductor 2 and the power transmission line 3 is avoided, the probability that the power transmission line 3 is directly hit by thunder and lightning is reduced, the lightning protection effect of the power transmission line 3 is improved, and the power transmission line 3 is protected better;
the tower 1 is provided with a grounding wire 5, the top of the tower 1 is provided with a metal base 6, one end of the grounding wire 5 is grounded, the other end of the grounding wire 5 extends to the top of the tower 1 and is connected to the metal base 6, the end part of the lightning conductor 2 is connected with the grounding wire 5, and the metal base 6 is fixedly provided with a plurality of discharge needles 7;
when lightning strikes the lightning conductor 2, lightning current is transmitted to the grounding wire 5 through the lightning conductor 2 and is transmitted to the ground through the grounding wire 5, when the lightning current is too large, the lightning current can also be transmitted to the metal base 6 through the grounding wire 5, and the lightning current is released into the air through the discharge needles 7 so as to share part of the current discharged to the ground;
in order to enhance the discharging effect of the discharging needles 7, the discharging needles 7 are uniformly distributed on the upper part of the metal base 6 in a radial shape, and one ends of the discharging needles 7 far away from the metal base 6 form a spherical surface structure;
the connecting piece 4 comprises an upper clamping plate 41 and a lower clamping plate 42, the upper clamping plate 41 and the lower clamping plate 42 are fixedly connected through a connecting rod 43, the upper clamping plate 41 and the lower clamping plate 42 are identical in structure and are of a C-shaped structure, and C-shaped openings of the upper clamping plate 41 and the lower clamping plate 42 are arranged in the same direction; the upper clamping plate 41, the connecting rod 43 and the lower clamping plate 42 are all made of insulating materials, and can be made of ceramic, glass or plastics, in this embodiment, when the connecting piece 4 is installed, the lightning conductor 2 and the power transmission line 3 need to be clamped into the upper clamping plate 41 and the lower clamping plate 42 from the C-shaped openings of the upper clamping plate 41 and the lower clamping plate 42 respectively, and meanwhile, the lightning conductor 2 and the power transmission line 3 need to be clamped and fixed by the upper clamping plate 41 and the lower clamping plate 42, so that the upper clamping plate 41, the connecting rod 43 and the lower clamping plate 42 need to have certain toughness at the same time, and the upper clamping plate 41, the connecting rod 43 and the lower clamping plate 42 are integrally formed by polytetrafluoroethylene materials;
when the connecting piece 4 is installed, the lightning conductor 2 and the power transmission line 3 are respectively clamped into the upper clamping plate 41 and the lower clamping plate 42 from the C-shaped openings of the upper clamping plate 41 and the lower clamping plate 42, and the lightning conductor 2 and the power transmission line 3 are coated and fixed through the toughness of the upper clamping plate 41 and the lower clamping plate 42; when meeting with strong wind weather, connect lightning conductor 2 and power transmission line 3 in an organic whole through last cardboard 41, connecting rod 43 and lower cardboard 42, avoid power transmission line 3 to be blown by strong wind, make power transmission line 3 be in the effective lightning-arrest scope of lightning conductor 2, guarantee that lightning conductor 2 plays effectual lightning-arrest effect.
Example 2:
referring to fig. 3, this embodiment is similar to embodiment 1, and the difference is that the connecting member 4 has different structures, that is, the connecting member 4 includes an upper clamping plate 41 and a lower clamping plate 42, the upper clamping plate 41 is fixedly connected to the lower clamping plate 42 through a connecting rod 43, the upper clamping plate 41 is identical to the lower clamping plate 42 in structure and is a C-shaped structure, the C-shaped openings of the upper clamping plate 41 and the lower clamping plate 42 are oppositely arranged, the lightning conductor 2 and the power transmission line 3 are clamped and fixed by the upper clamping plate 41 and the lower clamping plate 42 which are oppositely arranged through the C-shaped openings, the connection stability between the lightning conductor 2 and the power transmission line 3 is improved, and the connecting member is prevented from being separated from the lightning conductor 2 and the power transmission line 3.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a novel lightning protection structure of transmission line, its characterized in that includes two piece at least shaft towers and connects lightning conductor and the transmission line between the shaft tower, the lightning conductor is located the transmission line top, the lightning conductor with link to each other through a plurality of connecting piece between the transmission line.
2. The novel lightning protection structure of the power transmission line according to claim 1, wherein a grounding wire is installed on the tower, a metal base is installed on the top of the tower, one end of the grounding wire is grounded, the other end of the grounding wire extends to the top of the tower and is connected to the metal base, and a plurality of discharge needles are fixedly installed on the metal base.
3. The novel lightning protection structure for the power transmission line according to claim 2, wherein the end of the lightning conductor is connected with the grounding wire.
4. The novel lightning protection structure of the power transmission line according to claim 2, wherein the plurality of discharge needles are uniformly distributed on the metal base in a radial shape, and one end of the plurality of discharge needles away from the tower forms a spherical structure.
5. The novel lightning protection structure for power transmission lines of claim 1, wherein a plurality of the connecting members are equidistantly distributed.
6. The novel lightning protection structure of the power transmission line according to claim 1 or 5, wherein the connecting member comprises an upper clamping plate, a lower clamping plate and a connecting rod, and the upper clamping plate is fixedly connected with the lower clamping plate through the connecting rod.
7. The novel lightning protection structure of the power transmission line according to claim 6, wherein the upper clamping plate and the lower clamping plate are the same in structure and are both C-shaped structures, and the C-shaped openings of the upper clamping plate and the lower clamping plate are arranged in the same direction.
8. The novel lightning protection structure for power transmission lines of claim 6, wherein the upper clamping plate, the connecting rod and the lower clamping plate are integrally formed by insulating materials.
9. The novel lightning protection structure for power transmission lines according to claim 8, wherein the insulating material is polytetrafluoroethylene.
10. The novel lightning protection structure of the power transmission line according to claim 6, wherein the upper clamping plate and the lower clamping plate have the same structure and are both C-shaped structures, and the C-shaped openings of the upper clamping plate and the lower clamping plate are arranged in opposite directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694124.9U CN210326943U (en) | 2019-10-10 | 2019-10-10 | Novel lightning protection structure of transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921694124.9U CN210326943U (en) | 2019-10-10 | 2019-10-10 | Novel lightning protection structure of transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326943U true CN210326943U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921694124.9U Active CN210326943U (en) | 2019-10-10 | 2019-10-10 | Novel lightning protection structure of transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210326943U (en) |
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2019
- 2019-10-10 CN CN201921694124.9U patent/CN210326943U/en active Active
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