CN111952920A - Lightning protection system of distribution lines - Google Patents
Lightning protection system of distribution lines Download PDFInfo
- Publication number
- CN111952920A CN111952920A CN202010798164.9A CN202010798164A CN111952920A CN 111952920 A CN111952920 A CN 111952920A CN 202010798164 A CN202010798164 A CN 202010798164A CN 111952920 A CN111952920 A CN 111952920A
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- China
- Prior art keywords
- rod
- lightning
- support
- hardware fitting
- lightning protection
- Prior art date
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
Abstract
The invention relates to a lightning protection system of a distribution line, which comprises: a composite umbrella skirt; fitting; placing a hardware fitting; the lightning guiding convex column is arranged at the lower end of the upper hardware fitting; the lightning arrester comprises a support, wherein a detachable lightning rod is arranged on the support; the connecting rods are arranged in parallel, and two ends of each connecting rod are respectively hinged with the lower hardware fitting and the support; the gap adjusting rod is rotatably connected with the lower hardware fitting, a worm is arranged at the upper end of the gap adjusting rod, worm teeth are arranged on the connecting rod, and the worm is in transmission connection with the worm teeth. Meanwhile, the method for adjusting the lightning protection gap and the method for replacing the lightning rod are also disclosed. The lightning protection gap is adjustable, the universality is strong, the use requirements of insulators of different models can be met, the mounting and dismounting steps of the lightning rod are simpler, and the lightning rod is convenient to overhaul and replace.
Description
Technical Field
The invention relates to the technical field of power transmission equipment, in particular to a lightning protection system of a distribution line.
Background
The lightning protection system is mainly used for protecting various electrical equipment (transformers, switches, capacitors, wave traps, mutual inductors, engines, motors, power cables and the like) in an electric power system, a railway electrification system and a communication system from being damaged by lightning overvoltage, operation overvoltage and the like. The main types of the lightning protection system are a tubular arrester, a valve arrester, a drop-out arrester and the like.
The drop-out (throw-in, detachable) arrester is obtained by modifying the distribution type zinc oxide arrester and then skillfully installing the modified arrester on the drop-out mechanism of the drop-out fuse, so that the arrester can be conveniently detected, maintained and replaced by means of the insulated brake operating lever under the condition of no power failure, thereby not only ensuring the smoothness of the circuit, but also greatly reducing the working strength and time of the power maintenance personnel, and being particularly suitable for places which are not suitable for power failure, such as communication, airports, stations, hospitals, luxury commercial areas and the like. The other properties of the product are the same as those of a distribution type lightning arrester.
However, in practical use, the following problems exist:
(1) the lightning protection clearance can not be adjusted, and the lightning arrester with the lightning protection clearances of various specifications needs to be replaced aiming at insulators of different models.
(2) In the traditional drop-out lightning arrester, the lightning rod needs a plurality of steps for installation and disassembly, the operation is complicated, misoperation is easy to occur, and safety accidents are caused.
Disclosure of Invention
In order to solve the technical problems in the background art, the invention provides a lightning protection system of a distribution line, which has adjustable lightning protection clearance, simpler installation and disassembly steps and convenient operation.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a lightning protection system for distribution lines, comprising:
a composite umbrella skirt;
the upper hardware fitting is arranged at the upper end of the composite umbrella skirt and is in conductive connection with the cable;
the lower hardware fitting is arranged at the lower end of the composite umbrella skirt;
the lightning guiding convex column is arranged at the lower end of the upper hardware fitting and is in conductive connection with the upper hardware fitting;
the lightning rod is arranged on the support;
the connecting rods are arranged in parallel, and two ends of each connecting rod are respectively hinged with the lower hardware fitting and the support;
the gap adjusting rod is rotatably connected with the lower hardware fitting, a worm is arranged at the upper end of the gap adjusting rod, worm teeth are arranged on the connecting rod, and the worm is in transmission connection with the worm teeth.
Further, the support is detachably connected with the lightning rod.
Further, the holder includes:
a through hole;
the guide groove is formed in the side wall of the support and communicated with the through hole;
the cavity is formed in two sides of the guide groove, a reed and a clamping block are sequentially arranged in the cavity from inside to outside, and the lower end of the clamping block is provided with a chamfer;
the lightning rod comprises:
the rod body is inserted into the through hole;
the sliding rod is connected with the rod body in a sliding mode, and the lower end of the sliding rod is provided with sharp protrusions with chamfers at two sides;
the clamping table is arranged on the rod body and is positioned below the sliding rod;
the guide strip is arranged on the rod body and is positioned below the clamping table;
and the spring is arranged between the clamping table and the sliding rod.
Furthermore, a sliding groove is formed in the rod body, and the sliding rod is embedded in the sliding groove.
Furthermore, the upper end of the sliding rod is provided with a hanging ring, and the lower end of the gap adjusting rod is provided with a rotating ring.
Furthermore, the lower end of the guide groove is provided with a groove, and the lower end of the cavity is provided with a conical opening.
A detachable lightning arrester comprises a lightning arrester body,
a composite umbrella skirt;
the upper hardware fitting is arranged at the upper end of the composite umbrella skirt and is in conductive connection with the cable;
the lower hardware fitting is arranged at the lower end of the composite umbrella skirt;
the lightning guiding convex column is arranged at the lower end of the upper hardware fitting and is in conductive connection with the upper hardware fitting;
the lightning rod is arranged on the support;
the support includes:
a through hole;
the guide groove is formed in the side wall of the support and communicated with the through hole;
the cavity is arranged on two sides of the guide groove, the cavity is sequentially provided with a reed and a clamping block from inside to outside, and the lower end of the clamping block is provided with a chamfer;
the lightning rod includes:
the rod body is inserted into the through hole;
the sliding rod is connected with the rod body in a sliding manner, and the lower end of the sliding rod is provided with sharp protrusions with chamfers at two sides;
the clamping table is arranged on the rod body and is positioned below the sliding rod;
the guide strip is arranged on the rod body and is positioned below the clamping table;
the spring is arranged between the clamping table and the sliding rod.
A method for adjusting a lightning protection gap comprises the following steps:
a. inserting the rod head of the insulating operating rod into the rotating ring;
b. the worm drives the connecting rod to rotate through the worm gear by rotating the rotating ring to adjust the rod, the position of the support moves, the distance between the upper end of the lightning rod and the lightning guiding convex column changes, and the lightning protection gap changes.
A method for replacing a lightning rod comprises the following steps:
the installation step:
a. inserting the rod head of the insulating operating rod into the hanging ring;
b. moving the lightning rod to the lower end of the support, and aligning the upper end of the lightning rod to the lower part of the through hole;
c. the lightning rod is pushed into the through hole from bottom to top, and the sliding rod, the clamping table and the guide bar move from bottom to top in the guide groove;
d. when the gap between the clamping table and the guide strip moves to the position of the cavity, the clamping block is ejected to the gap to play a limiting role, and the position of the lightning rod on the support is fixed;
dismantling:
a. inserting the rod head of the insulating operating rod into the hanging ring;
b. the hanging ring is pulled downwards through the insulating operating rod, the sliding rod moves downwards relative to the rod body, the pointed protrusion extends into the space between the clamping blocks on the two sides, the clamping blocks on the two sides are spread, and the clamping blocks retract into the cavity;
c. after the clamping block retracts into the cavity, the clamping block loses the limiting effect on the lightning rod, the hanging ring continues to be pulled down, and the lightning rod moves from top to bottom in the support until the lightning rod is completely separated from the support.
The invention has the beneficial effects that:
(1) the lightning protection clearance is adjustable, and the commonality is strong, can satisfy the operation requirement of different model insulators, compares in traditional bolt adjustment mode, and its adjustable stroke is big and adjust more conveniently.
(2) The lightning rod is convenient to detach and install, the lightning rod is convenient to overhaul and replace, and compared with a traditional drop-out lightning arrester, the lightning rod is simpler in mounting and detaching steps and convenient to operate.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is an enlarged partial cross-sectional view taken at location A of FIG. 2;
FIG. 4 is a schematic perspective view of another aspect of the present invention;
fig. 5 is a partial enlarged sectional view at a position B of fig. 4;
FIG. 6 is a schematic perspective view of the lightning rod of the present invention;
FIG. 7 is a cross-sectional view of a lightning rod of the invention;
fig. 8 is a schematic view of the structure of the stick of the present invention.
In the figure:
1. cable, 2, upper hardware, 3, composite umbrella skirt, 4, lower hardware, 5, lightning-inducing convex column, 6, lightning-inducing rod, 7, support, 8, connecting rod, 9, gap adjusting rod
601. The rod body, 602, the sliding rod, 603, the clamping table, 604, the guide bar, 605, the spring, 606, the sliding groove
6021. Hanging ring, 6022. tip projection
701. Guide groove, groove 702, cavity 703, spring 704, clamping block 705, tapered opening 706, through hole 707
801. Worm gear
901. Worm, 902. swivel
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A lightning protection system for distribution lines, comprising: the composite umbrella skirt 3 is characterized in that an upper hardware fitting 2 is arranged at the upper end of the composite umbrella skirt 3, and a lower hardware fitting 4 is arranged at the lower end of the composite umbrella skirt 3; go up gold utensil 2 and cable 1 fixed connection, and gold utensil 2 can puncture the insulating layer of cable 1, with the electrically conductive core intercommunication of cable 1.
the support 7 includes: a through hole 707 opened in the center thereof and vertically penetrating; a guide groove 701 in the vertical direction is further formed in the side wall of the support 7, and the guide groove 701 is communicated with the through hole 707; two sides of the guide groove 701 are provided with oppositely arranged cavities 703, the cavities 703 are sequentially provided with a reed 704 and a fixture block 705 from inside to outside, the reed 704 is a U-shaped spring piece, two ends of the reed 704 are fixedly connected with the bottom surface of the cavity 703, the middle part of the reed 704 is fixedly connected with the fixture block 705, the lower side of one end of the fixture block 705, which protrudes out of the cavity 703, is provided with a chamfer, when the slide bar 602, the fixture table 603 and the guide strip 604 move from bottom to top in the guide groove 701, the fixture block 705 can prop up and extrude towards two sides, so that the fixture block 705 sinks into the cavity 703 against the elasticity of the;
the lightning rod 6 includes: a rod 601 inserted into the through-hole 707; the rod body 601 is provided with a sliding groove 606, the sliding rod 602 is embedded in the sliding groove 606, and the sliding rod 602 can slide up and down along the sliding groove 606. The rod body 601 is further provided with a clamping table 603 and a guide bar 604, the clamping table 603 is located below the sliding rod 602 and has a certain gap with the sliding rod 602, and the guide bar 604 is located below the clamping table 603 and has a certain gap with the clamping table 603. A spring 605 is arranged in a gap between the clamping table 603 and the sliding rod 602. In order to facilitate the operation of the sliding rod 602 through the insulated operating rod, the upper end of the sliding rod 602 is provided with a hanging ring 6021.
The lower end of the sliding rod 602 is provided with a sharp projection 6022 with chamfers at two sides, the sharp projection 6022 is positioned at the outer side of the clamping platform 603, the sharp projection 6022 can be deep to the lower end of the clamping platform 603, and the clamping block 705 at the lower end of the clamping platform 603 is supported and extruded towards two sides, so that the clamping block 705 overcomes the elasticity of the reed 704 and sinks into the cavity 703. And, the widths of the sliding bar 602, the clamping table 603 and the guide bar 604 are the same.
The lower hardware fitting 4 is further provided with a gap adjusting rod 9 in the vertical direction, the gap adjusting rod 9 is connected with the lower hardware fitting 4 in a rotating mode, the upper end of the gap adjusting rod 9 is provided with a worm 901, the position, corresponding to the worm 901, of the connecting rod 8 is provided with worm teeth 801, the worm 901 is in transmission connection with the worm teeth 801, and the connecting rod 8 can swing by rotating the worm 901. In order to facilitate the rotation operation of the gap adjusting lever 9 by the insulating operating lever, a swivel 902 is provided at the lower end of the gap adjusting lever 9.
In specific implementation, in order to facilitate the lightning rod 6 to be inserted into the support 7 in an aligned manner, the lower end of the guide groove 701 is provided with a groove 702, and the lower end of the cavity is provided with a tapered opening 706.
The specific use method relates to how to adjust the lightning protection gap between the lightning rod 6 and the lightning guiding convex column 5 and the replacement of the lightning rod 6, and specifically comprises the following steps:
the method for adjusting the lightning protection gap comprises the following steps:
a. inserting the rod head of the insulated operating rod into swivel 902;
b. the gap adjusting rod 9 is rotated through the rotating ring 902, the worm 901 drives the connecting rod 8 to rotate through the worm teeth 801, the position of the support 7 moves, the distance between the upper end of the lightning rod 6 and the lightning guiding convex column 5 changes, and the lightning protection gap changes. The adjusting mode of the worm gear and the parallelogram mechanism is compared with that of the traditional bolt adjusting mode, when the same angle is twisted, the stroke of the lightning rod 6 is larger, and the adjusting range is wider.
The replacement method of the lightning rod comprises an installation step and a removal step, and specifically comprises the following steps:
the mounting step comprises:
a. inserting the rod head of the insulating operating rod into the hanging ring 6021;
b. moving the lightning rod 6 to the lower end of the support 7, aligning the upper end of the lightning rod 6 with the lower part of the through hole 707, and aligning the sliding rod 602 with the guide groove 701;
c. the lightning rod 6 is pushed into the through hole 707 from bottom to top, and the sliding rod 602, the clamping table 603 and the guide bar 604 move from bottom to top in the guide groove 701;
d. when the gap between the clamping table 603 and the guide strip 604 moves to the position of the cavity 703, the clamping block 705 is ejected to the gap to play a longitudinal limiting role, and the position of the lightning rod 6 on the support 7 is fixed;
a dismantling step comprising:
a. inserting the rod head of the insulating operating rod into the hanging ring 6021;
b. the hanging ring 6021 is pulled downwards through the insulating operating rod, the sliding rod 602 moves downwards relative to the rod body 601, the pointed protrusions 6022 penetrate into the clamping blocks 705 on the two sides, the clamping blocks 705 on the two sides are expanded, and the clamping blocks 705 retract into the cavity 703;
c. after the fixture block 705 retracts into the cavity 703, the fixture block 705 loses the longitudinal limiting effect on the lightning rod 6, the hanging ring 6021 is pulled down continuously, and the lightning rod 6 moves from top to bottom in the support 7 until completely coming out of the support 7.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. A lightning protection system for a distribution line, comprising:
a composite umbrella skirt (3);
the upper hardware fitting (2) is arranged at the upper end of the composite umbrella skirt (3) and is in conductive connection with the cable (1);
the lower hardware fitting (4) is arranged at the lower end of the composite umbrella skirt (3);
the lightning guiding convex column (5) is arranged at the lower end of the upper hardware fitting (2) and is in conductive connection with the upper hardware fitting (2);
the lightning protection device comprises a support (7), wherein a lightning rod (6) is arranged on the support (7);
the connecting rods (8) are arranged in parallel, and two ends of each connecting rod (8) are hinged with the lower hardware fitting (4) and the support (7) respectively;
the gap adjusting rod (9) is rotatably connected with the lower hardware fitting (4), a worm (901) is arranged at the upper end of the gap adjusting rod (9), worm teeth (801) are arranged on the connecting rod (8), and the worm (901) is in transmission connection with the worm teeth (801).
2. A lightning protection system for distribution lines according to claim 1,
the support (7) is detachably connected with the lightning rod (6).
3. A lightning protection system for distribution lines according to claim 2,
the support (7) comprises:
a through-hole (707);
the guide groove (701) is arranged on the side wall of the support (7) and communicated with the through hole (707);
the cavity (703) is arranged on two sides of the guide groove (701), a reed (704) and a fixture block (705) are sequentially arranged in the cavity (703) from inside to outside, and the lower end of the fixture block (705) is provided with a chamfer;
the lightning rod (6) comprises:
a rod (601) inserted into the through-hole (707);
the sliding rod (602) is connected with the rod body (601) in a sliding mode, and sharp protrusions (6022) with chamfers on two sides are arranged at the lower end of the sliding rod (602);
the clamping table (603) is arranged on the rod body (601), and the clamping table (603) is positioned below the sliding rod (602);
the guide bar (604) is arranged on the rod body (601), and the guide bar (604) is positioned below the clamping table (603);
and the spring (605) is arranged between the clamping table (603) and the sliding rod (602).
4. A lightning protection system for distribution lines according to claim 3,
the rod body (601) is provided with a sliding groove (606), and the sliding rod (602) is embedded in the sliding groove (606).
5. A lightning protection system for distribution lines according to claim 3,
the upper end of the sliding rod (602) is provided with a hanging ring (6021), and the lower end of the clearance adjusting rod (9) is provided with a rotating ring (902).
6. A lightning protection system for distribution lines according to claim 3,
the lower end of the guide groove (701) is provided with a groove (702), and the lower end of the cavity is provided with a conical opening (706).
7. A detachable lightning arrester is characterized by comprising,
a composite umbrella skirt (3);
the upper hardware fitting (2) is arranged at the upper end of the composite umbrella skirt (3) and is in conductive connection with the cable (1);
the lower hardware fitting (4) is arranged at the lower end of the composite umbrella skirt (3);
the lightning guiding convex column (5) is arranged at the lower end of the upper hardware fitting (2) and is in conductive connection with the upper hardware fitting (2);
the lightning protection device comprises a support (7), wherein a lightning rod (6) is arranged on the support (7);
the support (7) comprises:
a through-hole (707);
the guide groove (701) is arranged on the side wall of the support (7) and communicated with the through hole (707);
the cavity (703) is arranged on two sides of the guide groove (701), a reed (704) and a fixture block (705) are sequentially arranged in the cavity (703) from inside to outside, and the lower end of the fixture block (705) is provided with a chamfer;
the lightning rod (6) comprises:
a rod (601) inserted into the through-hole (707);
the sliding rod (602) is connected with the rod body (601) in a sliding mode, and sharp protrusions (6022) with chamfers on two sides are arranged at the lower end of the sliding rod (602);
the clamping table (603) is arranged on the rod body (601), and the clamping table (603) is positioned below the sliding rod (602);
the guide bar (604) is arranged on the rod body (601), and the guide bar (604) is positioned below the clamping table (603);
and the spring (605) is arranged between the clamping table (603) and the sliding rod (602).
8. A method for adjusting a lightning protection gap using a lightning protection system for distribution lines according to any one of claims 1 to 6, comprising the steps of:
a. inserting the rod head of the insulated operating rod into the swivel (902);
b. the gap adjusting rod (9) is rotated through the rotating ring (902), the worm (901) drives the connecting rod (8) to rotate through the worm teeth (801), the position of the support (7) moves, the distance between the upper end of the lightning rod (6) and the lightning guiding convex column (5) changes, and the lightning protection gap changes.
9. A method for replacing a lightning rod using the lightning protection system for distribution lines according to any one of claims 3 to 7, comprising:
the installation step:
a. inserting the rod head of the insulating operating rod into a hanging ring (6021);
b. moving the lightning rod (6) to the lower end of the support (7), and aligning the upper end of the lightning rod (6) to the lower part of the through hole (707);
c. the lightning rod (6) is pushed into the through hole (707) from bottom to top, and the sliding rod (602), the clamping table (603) and the guide bar (604) move from bottom to top in the guide groove (701);
d. when a gap between the clamping table (603) and the guide strip (604) moves to the position of the cavity (703), the clamping block (705) is ejected to the gap to play a limiting role, and the position of the lightning rod (6) on the support (7) is fixed;
dismantling:
a. inserting the rod head of the insulating operating rod into a hanging ring (6021);
b. the hanging ring (6021) is pulled downwards through the insulating operating rod, the sliding rod (602) moves downwards relative to the rod body (601), the pointed protrusions (6022) penetrate into the space between the clamping blocks (705) on the two sides, the clamping blocks (705) on the two sides are expanded, and the clamping blocks (705) retract towards the cavity (703);
c. after the clamping block (705) retracts into the cavity (703), the clamping block (705) loses the limiting effect on the lightning rod (6), the hanging ring (6021) is continuously pulled down, and the lightning rod (6) moves from top to bottom in the support (7) until the lightning rod is completely separated from the support (7).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111577703.7A CN114825244A (en) | 2020-08-11 | 2020-08-11 | Replacement method of lightning rod |
| CN202010798164.9A CN111952920B (en) | 2020-08-11 | 2020-08-11 | Lightning protection system of distribution lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010798164.9A CN111952920B (en) | 2020-08-11 | 2020-08-11 | Lightning protection system of distribution lines |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111577703.7A Division CN114825244A (en) | 2020-08-11 | 2020-08-11 | Replacement method of lightning rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111952920A true CN111952920A (en) | 2020-11-17 |
| CN111952920B CN111952920B (en) | 2021-11-05 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111577703.7A Pending CN114825244A (en) | 2020-08-11 | 2020-08-11 | Replacement method of lightning rod |
| CN202010798164.9A Active CN111952920B (en) | 2020-08-11 | 2020-08-11 | Lightning protection system of distribution lines |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111577703.7A Pending CN114825244A (en) | 2020-08-11 | 2020-08-11 | Replacement method of lightning rod |
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| Country | Link |
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| CN (2) | CN114825244A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2637161B2 (en) * | 1988-05-02 | 1997-08-06 | 日本碍子株式会社 | Lightning-resistant horn insulator device |
| JP2004158225A (en) * | 2002-11-05 | 2004-06-03 | Ngk Insulators Ltd | Lightning insulator device |
| CN203250598U (en) * | 2012-12-28 | 2013-10-23 | 上海兆邦电力器材有限公司 | Anti-thunder tension insulator |
| CN203871821U (en) * | 2014-05-30 | 2014-10-08 | 益阳电力勘测设计院有限公司 | Lightning protection device used for high-voltage power transmission line |
| CN104993313A (en) * | 2015-07-03 | 2015-10-21 | 舒泳军 | Socket capable of preventing movement over-stroke and performing automatic locking and unlocking |
| CN206163209U (en) * | 2016-11-25 | 2017-05-10 | 石家庄开发区华能电气有限公司 | What dangle insulator chain can two -way regulation formula dredge parallelly connected interstitial structure of type lightning protection |
| CN207867979U (en) * | 2018-01-19 | 2018-09-14 | 江西高强电瓷集团有限公司 | A kind of lightning protection porcelain insulator |
| CN209001343U (en) * | 2018-11-20 | 2019-06-18 | 国网河南省电力公司孟津县供电公司 | A kind of arrester device of adjustable-angle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204316064U (en) * | 2015-01-20 | 2015-05-06 | 国家电网公司 | A kind of insulative distributing line lightning protection device |
-
2020
- 2020-08-11 CN CN202111577703.7A patent/CN114825244A/en active Pending
- 2020-08-11 CN CN202010798164.9A patent/CN111952920B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2637161B2 (en) * | 1988-05-02 | 1997-08-06 | 日本碍子株式会社 | Lightning-resistant horn insulator device |
| JP2004158225A (en) * | 2002-11-05 | 2004-06-03 | Ngk Insulators Ltd | Lightning insulator device |
| CN203250598U (en) * | 2012-12-28 | 2013-10-23 | 上海兆邦电力器材有限公司 | Anti-thunder tension insulator |
| CN203871821U (en) * | 2014-05-30 | 2014-10-08 | 益阳电力勘测设计院有限公司 | Lightning protection device used for high-voltage power transmission line |
| CN104993313A (en) * | 2015-07-03 | 2015-10-21 | 舒泳军 | Socket capable of preventing movement over-stroke and performing automatic locking and unlocking |
| CN206163209U (en) * | 2016-11-25 | 2017-05-10 | 石家庄开发区华能电气有限公司 | What dangle insulator chain can two -way regulation formula dredge parallelly connected interstitial structure of type lightning protection |
| CN207867979U (en) * | 2018-01-19 | 2018-09-14 | 江西高强电瓷集团有限公司 | A kind of lightning protection porcelain insulator |
| CN209001343U (en) * | 2018-11-20 | 2019-06-18 | 国网河南省电力公司孟津县供电公司 | A kind of arrester device of adjustable-angle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111952920B (en) | 2021-11-05 |
| CN114825244A (en) | 2022-07-29 |
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