CN211508546U - Lightning protection device for power transmission line - Google Patents
Lightning protection device for power transmission line Download PDFInfo
- Publication number
- CN211508546U CN211508546U CN202020499934.5U CN202020499934U CN211508546U CN 211508546 U CN211508546 U CN 211508546U CN 202020499934 U CN202020499934 U CN 202020499934U CN 211508546 U CN211508546 U CN 211508546U
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- Prior art keywords
- wire
- lightning
- fixed mounting
- protection device
- earth connection
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 26
- 239000012212 insulator Substances 0.000 claims abstract description 13
- 239000003381 stabilizer Substances 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 23
- 239000002184 metal Substances 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 7
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a lightning protection device for power transmission line, including lightning-arrest wire, wire fixer, line pole, earth connection and thunder leading device, one side fixed mounting of line pole has the earth connection, one side fixed mounting at earth connection top has the wire fixer, the top fixed mounting of wire fixer has lightning-arrest wire, lightning-arrest wire's positive fixed mounting has discharge apparatus, one side fixed mounting that the wire fixer was kept away from at the earth connection top has thunder leading device, the one end of stabilizer bar is passed through the knob and is installed the regulation pole, the top fixed mounting who adjusts the pole has the receiving terminal. The utility model discloses an insulator that is provided with can be effectual with the wire at top and the ground wire separation of bottom to when having avoided the line fault, the electric current passes through the wire of ground wire transmission to the top, leads to the lightning-arrest wire at top electrified, thereby arouses the problem of incident, the effectual security that improves the device.
Description
Technical Field
The utility model relates to a power transmission technical field specifically is a lightning protection device for power transmission line.
Background
Electric power is an energy source using electric energy as power. In the 70 s of the 19 th century, the invention and application of electric power opened up the second industrialized climax. The lightning protection device is one of three scientific and technological revolution which occur in the world since 18 th century of human history, a power transmission and distribution line is the basis of a power system and plays an important role in normal operation of the power system, the biggest threat of the power transmission and distribution line is lightning, the lightning is a natural discharge phenomenon, the lightning is huge destructive, particularly in summer, the lightning occupies the first place of line fault tripping, the lightning is a natural phenomenon of atmospheric activity and is uncontrollable so far, according to practical data statistics, the amplitude of lightning overvoltage can reach about 400kV, the amplitude of lightning current can reach about 100kA, and the high amplitude far exceeds the lightning resistance level of an overhead insulated line in a power distribution system of 35kV or below, so that the lightning protection device is required.
The existing lightning protection device for the transmission line has the following defects:
the existing lightning protection device is connected with a ground wire and then a lightning rod, so that lightning is attracted, and the contact between the lightning and a cable is avoided, but the method is simple, and meanwhile, the coverage range is small due to the fact that the lightning protection device is generally arranged near an electric pole body, and the lightning protection device cannot adapt to a long-distance transmission cable;
and secondly, when a circuit breaks down, current can continuously enter the ground from a ground wire, so that electric energy is wasted, and the lightning protection device for the power transmission line is provided for solving the existing problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lightning protection device for power transmission line to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lightning protection device for power transmission line, includes lightning-arrest wire, wire fixer, pole, earth connection and lightning device, one side fixed mounting of pole has the earth connection, one side fixed mounting at earth connection top has the wire fixer, the top fixed mounting of wire fixer has lightning-arrest wire, lightning-arrest wire's positive fixed mounting has discharge apparatus, one side fixed mounting that wire fixer was kept away from at the earth connection top has lightning device, lightning device's inside is provided with the current limiter, the stabilizer bar is installed through the bolt in the top of current limiter, the regulation pole is installed through the knob to the one end of stabilizer bar, the top fixed mounting who adjusts the pole has the receiving terminal.
Preferably, an upper clamping block is arranged inside the discharge device, a lower clamping block is installed at the bottom of the upper clamping block through a bolt, and a discharge ball is fixedly installed at the bottom of the lower clamping block.
Preferably, a metal conductor is arranged inside the grounding wire, and a mounting frame is welded to the top of the metal conductor.
Preferably, the material of the wire pole is concrete.
Preferably, the outside of line pole is installed the mount through the bolt, and one side fixed mounting of mount has the connecting rod, and the earth connection is installed through the mounting panel to the one end of connecting rod.
Preferably, an insulator is arranged inside the wire fixer, and the bottom of the insulator is connected with the mounting frame through a fixing seat.
Compared with the prior art, the beneficial effects of the utility model are that: this lightning protection device for power transmission line can be used to make somebody a mere figurehead at the top of transmission cable through the lightning-arrest wire that is provided with, thereby be used for absorbing the thunder and lightning, the effectual safety of bottom circuit of having guaranteed, it is bigger to compare the mode coverage that adopts the lightning rod in the tradition simultaneously, thereby can the longer transmission line of effectual protection, simultaneously can release the circuit in the middle of the wire in the position department that has the lightning-arrest device through the discharge apparatus who adopts, effectually protect the circuit, simultaneously use through the receiving terminal that is provided with and the cooperation of ball that discharges, usable most advanced discharge's principle, transmit the thunder and lightning in fixed position, the ground wire contact of lightning-arrest wire and bottom has been avoided simultaneously.
The utility model discloses an insulator that is provided with can be effectual with the wire at top and the ground wire separation of bottom to when having avoided the line fault, the electric current passes through the wire of ground wire transmission to the top, leads to the lightning-arrest wire at top electrified, thereby arouses the problem of incident, the effectual security that improves the device.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the fixing frame of the present invention;
FIG. 3 is a schematic structural view of the lightning guiding device of the present invention;
fig. 4 is a schematic structural view of the releasing device of the present invention.
In the figure: 1. lightning conducting wires; 2. a wire holder; 201. an insulator; 202. a fixed seat; 3. a wire rod; 301. a fixed mount; 302. a connecting rod; 303. mounting a plate; 4. a ground line; 401. a metal conductor; 402. a mounting frame; 5. a discharge device; 501. an upper clamping block; 502. a lower clamping block; 503. a discharge ball; 6. a lightning lead-in device; 601. a receiving end; 602. adjusting a rod; 603. a stabilizer bar; 604. a flow restrictor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a lightning protection device for a power transmission line comprises a lightning conductor 1, a conductor fixer 2, a wire rod 3, a ground wire 4 and a lightning guiding device 6, wherein one side of the wire rod 3 is fixedly provided with the ground wire 4, the ground wire 4 can release lightning in the device into the ground, one side of the top of the ground wire 4 is fixedly provided with the conductor fixer 2, the conductor fixer 2 is used for fixing the lightning conductor 1 at the top and improving the stability of the device, the top of the conductor fixer 2 is fixedly provided with the lightning conductor 1, the lightning conductor 1 can be used for being overhead at the top of a power transmission cable so as to be used for absorbing the lightning, the safety of a bottom line is effectively ensured, the front side of the lightning conductor 1 is fixedly provided with a discharging device 5, the discharging device 5 can utilize the principle of point discharging, the lightning is transmitted at a fixed position and simultaneously avoids the lightning conductor from contacting with the, one side fixed mounting that wire fixer 2 was kept away from at earth connection 4 top has lightning device 6, lightning device 6 is used for accepting the high-pressure thunder and lightning of discharge device 5 release, lightning device 6's inside is provided with current limiter 604, current limiter 604 is used for limiting current, prevent that the electric current is too big to cause the damage to the device, stabilizer bar 603 is installed through the bolt in current limiter 604's top, stabilizer bar 603 is used for fixed mounting to adjust pole 602 and improves the security of device, the regulation pole 602 is installed through the knob to the one end of stabilizer bar 603, the top fixed mounting who adjusts pole 602 has receiving terminal 601, receiving terminal 601 uses with the cooperation of ball 503 discharges, usable point discharge's principle, transmit the thunder and lightning in fixed position.
Further, the inside of discharge device 5 is provided with clamp splice 501, clamp splice 502 is installed down through the bolt in the bottom of last clamp splice 501, go up clamp splice 501 and pass through metal manufacturing with clamp splice 502 down, not only can be used to the transmission electric energy, can fix discharge ball 503 in lightning-arrest wire 1 simultaneously, the bottom fixed mounting of lower clamp splice 502 has discharge ball 503, discharge ball 503 and the cooperation of receiving terminal 601 are used, the principle of usable point discharge, the thunder and lightning is transmitted in fixed position.
Further, the metal conductor 401 is arranged inside the grounding wire 4, the metal conductor 401 can conveniently conduct current to the ground, the mounting frame 402 is welded to the top of the metal conductor 401, and the mounting frame 402 is used for fixing top equipment, so that the stability of the device is improved.
Further, the material of line pole 3 is the concrete, and the effectual reduction device cost of concrete improves the intensity of device simultaneously, prevents to split.
Further, a fixing frame 301 is installed on the outer side of the wire rod 3 through a bolt, the fixing frame 301 is used for fixedly installing a connecting rod 302, the connecting rod 302 is fixedly installed on one side of the fixing frame 301, the connecting rod 302 is used for fixing the grounding wire 4 to improve the stability of the device, and the grounding wire 4 is installed at one end of the connecting rod 302 through an installation plate 303.
Further, the inside of wire fixer 2 is provided with insulator 201, and insulator 201 separates lightning conductor 1 at the top with the earth connection 4 of bottom to when having avoided line fault, the electric current transmits lightning conductor 1 at the top through earth connection 4, leads to the lightning conductor 1 at top electrified, thereby arouses the problem of incident, and fixing base 202 is passed through to the bottom of insulator 201 and mounting bracket 402 is connected.
The working principle is as follows: when the lightning arrester is used, the mounting frame 402 is mounted through the fixing frame 301, then the mounting frame 402 is connected with the ground through the grounding wire 4, the insulator 201 is mounted on one side of the top of the mounting frame 402, the lightning arrester 6 is fixedly mounted on one side of the insulator 201, the tops of the insulators 201 are connected through the lightning conductor 1, and then the discharging device 5 is mounted at the position, where the lightning conductor 1 is located at the top of the lightning arrester 6.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a lightning protection device for power transmission line, includes lightning-arrest wire (1), wire fixer (2), line pole (3), earth connection (4) and lightning device (6), its characterized in that: one side fixed mounting of wire pole (3) has earth connection (4), one side fixed mounting at earth connection (4) top has wire fixer (2), the top fixed mounting of wire fixer (2) has lightning-arrest wire (1), the positive fixed mounting of lightning-arrest wire (1) has discharging equipment (5), one side fixed mounting that wire fixer (2) were kept away from at earth connection (4) top has lightning arrester (6), the inside of lightning arrester (6) is provided with current limiter (604), stabilizer bar (603) are installed through the bolt in the top of current limiter (604), regulation pole (602) are installed through the knob to the one end of stabilizer bar (603), the top fixed mounting of adjusting pole (602) has receiving end (601).
2. A lightning protection device for a transmission line according to claim 1, characterized in that: an upper clamping block (501) is arranged in the discharging device (5), a lower clamping block (502) is installed at the bottom of the upper clamping block (501) through a bolt, and a discharging ball (503) is fixedly installed at the bottom of the lower clamping block (502).
3. A lightning protection device for a transmission line according to claim 1, characterized in that: the grounding wire (4) is internally provided with a metal conductor (401), and the top of the metal conductor (401) is welded with a mounting frame (402).
4. A lightning protection device for a transmission line according to claim 1, characterized in that: the wire rod (3) is made of concrete.
5. A lightning protection device for a transmission line according to claim 1, characterized in that: the outside of line pole (3) is installed mount (301) through the bolt, and one side fixed mounting of mount (301) has connecting rod (302), and the earth connection (4) are installed through mounting panel (303) to the one end of connecting rod (302).
6. A lightning protection device for a transmission line according to claim 1, characterized in that: an insulator (201) is arranged inside the wire fixing device (2), and the bottom of the insulator (201) is connected with the mounting frame (402) through a fixing seat (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499934.5U CN211508546U (en) | 2020-04-08 | 2020-04-08 | Lightning protection device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020499934.5U CN211508546U (en) | 2020-04-08 | 2020-04-08 | Lightning protection device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211508546U true CN211508546U (en) | 2020-09-15 |
Family
ID=72403936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020499934.5U Expired - Fee Related CN211508546U (en) | 2020-04-08 | 2020-04-08 | Lightning protection device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211508546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709787A (en) * | 2022-06-06 | 2022-07-05 | 安徽凯川电力保护设备有限公司 | Lightning protection device with automatic tripping function |
-
2020
- 2020-04-08 CN CN202020499934.5U patent/CN211508546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114709787A (en) * | 2022-06-06 | 2022-07-05 | 安徽凯川电力保护设备有限公司 | Lightning protection device with automatic tripping function |
| CN114709787B (en) * | 2022-06-06 | 2022-08-09 | 安徽凯川电力保护设备有限公司 | Lightning protection ware with automatic tripping operation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200915 Termination date: 20210408 |