CN105514917A - Lightning protection device for high-voltage power transmission line tower - Google Patents
Lightning protection device for high-voltage power transmission line tower Download PDFInfo
- Publication number
- CN105514917A CN105514917A CN201510879379.2A CN201510879379A CN105514917A CN 105514917 A CN105514917 A CN 105514917A CN 201510879379 A CN201510879379 A CN 201510879379A CN 105514917 A CN105514917 A CN 105514917A
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- CN
- China
- Prior art keywords
- connecting rod
- electrode
- insulator string
- fixed
- power transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- 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
- H02G13/40—Connection to earth
-
- 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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- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The invention discloses a lightning protection device for a high-voltage power transmission line tower. The device comprises a \igh-voltage power transmission line tower lightning protection device comprises a transmission line tower and cross arm The cross arm of the transmission line tower located at two sides of the upper end The cross arm away from the power transmission line tower end of the insulator string is fixed The first connecting rod is fixed on the other end of the wire holder The wire holder above a fixed electrode of the connecting rod welding The fixed electrode connecting rod is provided with a wire electrode the top end of the second connection rod to the other end of the connecting rod is provided with a movable electrode, the movable electrode connected to a rod bottom end is provided with a ground electrode, the power transmission line tower two sides of the top of a support rod, the upper end of the support rod mounted with insulation anti-flash device, the top end of the support rod is connected to flash the needle is mounted, the invention is connected to flash the needle and the insulation anti-flash device for improving lighting capability, at the same time, by wire electrode and the grounding an electrical discharge between the electrodes preventing the wire insulator string is the lightning damage.
Description
Technical field
The invention belongs to high voltage power transmission lightning protection device field, be specifically related to a kind of high voltage power transmission transmission tower lightning protection device.
Background technology
High voltage power transmission is a kind of mode by transmitting after the boost in voltage that exported by generator of generating station transformer, this power transmission mode is adopted to be because when same transmitted power, the higher electric current of voltage is less, such high voltage power transmission just can reduce electric current when transmitting electricity thus the thermal losses reduced because electric current produces and the material cost reducing long distance power transmission, but because the transmission range of high voltage transmission line is long, the landform of process is intricate, easily be struck by lightning, thus cause transmission line tripping operation to have a power failure, can wire be blown time serious.
Summary of the invention
The object of the present invention is to provide a kind of high voltage power transmission transmission tower lightning protection device, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides a kind of high voltage power transmission transmission tower lightning protection device, comprise electric power pylon and cross-arm, described cross-arm is positioned at the both sides of the upper end of electric power pylon, described cross-arm is fixed with insulator string away from one end of electric power pylon, the upper end of described insulator string main body is fixed with metalwork, the middle-end of described insulator string main body is fixed with umbrella leaf by fixture, the bottom of described insulator string main body is fixed with lower metalwork, the bottom of described insulator string is welded with head rod, the other end of described head rod is fixed with wire clamp gripping member, the top of described wire clamp gripping member is welded with fixed electrode connecting rod, the top of described fixed electrode connecting rod is provided with link electrode, the upper end of described insulator string is welded with the second connecting rod, the other end of described second connecting rod is provided with float electrode connecting rod, the bottom of described float electrode connecting rod is provided with grounding electrode, the both sides on the top of described electric power pylon are provided with support bar, the bottom of described support bar is connected with earth connection, described support bar is provided with lightning-arrest counter, the upper end of described support bar is provided with the anti-sudden strain of a muscle device of insulation, the top of described support bar is provided with and connects sudden strain of a muscle syringe needle.
Preferably, described link electrode and grounding electrode are all spherical in shape, and link electrode and grounding electrode are respectively and insulator string interval 60cm.
Preferably, gap is provided with between described link electrode and grounding electrode.
Preferably, the tail end of described float electrode connecting rod is provided with external screw thread, and the second connecting rod is provided with screwed hole, and float electrode connecting rod is threaded with the second connecting rod.
Preferably, the upper end of described second connecting rod is connected with earth connection by wire.
Technique effect of the present invention and advantage: this high voltage power transmission transmission tower lightning protection device is by installing support bar and connecing sudden strain of a muscle syringe needle on the top of electric power pylon, cooperatively interact and discharge, improve lightning-arrest ability, then remaining electricity is delivered on earth connection by support bar, finally pour the earth into, reach lightning-arrest object, lightning-arrest number of times can be recorded by counter lightning-arrest on support bar simultaneously, for the lightning-arrest of high voltage power transmission transmission tower is accumulated experience, by welding head rod in the bottom of insulator string, when being subject to being struck by lightning, can discharge prior to insulator string in gap between link electrode and grounding electrode, insulator string and wire can be avoided to be burnt, thus guarantee normal transmission, simultaneously because float electrode connecting rod and the second connecting rod are for being threaded, can according to the difference of voltage, distance between adjustment link electrode and grounding electrode, strong adaptability.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is insulator string structural representation of the present invention.
In figure: 1 electric power pylon, 2 insulator strings, 3 head rods, 4 wire grip blocks, 5 fixed electrode connecting rods, 6 link electrodes, 7 grounding electrodes, 8 float electrode connecting rods, 9 second connecting rods, 10 connect and dodge metalwork, 17 insulator string main bodys, 18 fixtures, 19 umbrella leaves, 20 times metalworks on syringe needle, the anti-sudden strain of a muscle device of 11 insulation, 12 support bars, 13 lightning-arrest counters, 14 cross-arms, 15 earth connections, 16.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of high voltage power transmission transmission tower lightning protection device as shown in Figure 1-2, comprise electric power pylon 1 and cross-arm 14, cross-arm 14 is positioned at the both sides of the upper end of electric power pylon 1, cross-arm 14 is fixed with insulator string 2 away from one end of electric power pylon 1, the upper end of insulator string main body 17 is fixed with metalwork 16, the middle-end of insulator string main body 17 is fixed with umbrella leaf 19 by fixture 18, the bottom of insulator string main body 17 is fixed with lower metalwork 20, the bottom of insulator string 2 is welded with head rod 3, the other end of head rod 3 is fixed with wire clamp gripping member 4, the top of wire clamp gripping member 4 is welded with fixed electrode connecting rod 5, the top of fixed electrode connecting rod 5 is provided with link electrode 6, the upper end of insulator string 2 is welded with the second connecting rod 9, the other end of the second connecting rod 9 is provided with float electrode connecting rod 8, the tail end of float electrode connecting rod 8 is provided with external screw thread, second connecting rod 9 is provided with screwed hole, float electrode connecting rod 8 is threaded with the second connecting rod 9, the upper end of the second connecting rod 9 is connected with earth connection 15 by wire, the bottom of float electrode connecting rod 8 is provided with grounding electrode 7, link electrode 6 is all spherical in shape with grounding electrode 7, and and insulator string 2 interval 60cm, gap is provided with between link electrode 6 and grounding electrode 7, the both sides on the top of electric power pylon 1 are provided with support bar 12, the bottom of support bar 12 is connected with earth connection 15, support bar 12 is provided with lightning-arrest counter 13, the upper end of support bar 12 is provided with the anti-sudden strain of a muscle device 11 of insulation, the top of support bar 12 is provided with to connect dodges syringe needle 10, when running into thunderbolt, first discharge with anti-the cooperatively interacting of sudden strain of a muscle device 11 of insulation by connecing sudden strain of a muscle syringe needle 10, then remaining electricity is delivered on earth connection 15 by support bar 12, finally pour the earth into, reach lightning-arrest object, if hit wire, can discharge prior to insulator string 2 in gap between link electrode 6 and grounding electrode 7, reduce the electric arc on insulator string 2, reach protection insulator string 2 and lightning-arrest object, simultaneously because float electrode connecting rod 8 and the second connecting rod 9 are for being threaded, can according to the difference of voltage, distance between adjustment link electrode 6 and grounding electrode 7, strong adaptability.
Last it is noted that the foregoing is only the preferred embodiments of the present invention; be not limited to the present invention; although with reference to previous embodiment to invention has been detailed description; for a person skilled in the art; it still can be modified to the technical scheme described in foregoing embodiments; or equivalent replacement is carried out to wherein portion of techniques feature; within the spirit and principles in the present invention all; any amendment of doing, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a high voltage power transmission transmission tower lightning protection device, comprise electric power pylon (1) and cross-arm (14), described cross-arm (14) is positioned at the both sides of the upper end of electric power pylon (1), it is characterized in that: described cross-arm (14) is fixed with insulator string (2) away from one end of electric power pylon (1), the upper end of described insulator string main body (17) is fixed with metalwork (16), the middle-end of described insulator string main body (17) is fixed with umbrella leaf (19) by fixture (18), the bottom of described insulator string main body (17) is fixed with lower metalwork (20), the bottom of described insulator string (2) is welded with head rod (3), the other end of described head rod (3) is fixed with wire clamp gripping member (4), the top of described wire clamp gripping member (4) is welded with fixed electrode connecting rod (5), the top of described fixed electrode connecting rod (5) is provided with link electrode (6), the upper end of described insulator string (2) is welded with the second connecting rod (9), the other end of described second connecting rod (9) is provided with float electrode connecting rod (8), the bottom of described float electrode connecting rod (8) is provided with grounding electrode (7), the both sides on the top of described electric power pylon (1) are provided with support bar (12), the bottom of described support bar (12) is connected with earth connection (15), described support bar (12) is provided with lightning-arrest counter (13), the upper end of described support bar (12) is provided with the anti-sudden strain of a muscle device (11) of insulation, the top of described support bar (12) is provided with to connect dodges syringe needle (10).
2. a kind of high voltage power transmission transmission tower lightning protection device according to claim 1, it is characterized in that: described link electrode (6) and grounding electrode (7) are all spherical in shape, and link electrode (6) and grounding electrode (7) respectively and insulator string (2) be interval 60cm.
3. a kind of high voltage power transmission transmission tower lightning protection device according to claim 1, is characterized in that: be provided with gap between described link electrode (6) and grounding electrode (7).
4. a kind of high voltage power transmission transmission tower lightning protection device according to claim 1, it is characterized in that: the tail end of described float electrode connecting rod (8) is provided with external screw thread, second connecting rod (9) is provided with screwed hole, and float electrode connecting rod (8) is threaded with the second connecting rod (9).
5. a kind of high voltage power transmission transmission tower lightning protection device according to claim 1, is characterized in that: the upper end of described second connecting rod (9) is connected with earth connection (15) by wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879379.2A CN105514917A (en) | 2015-12-05 | 2015-12-05 | Lightning protection device for high-voltage power transmission line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510879379.2A CN105514917A (en) | 2015-12-05 | 2015-12-05 | Lightning protection device for high-voltage power transmission line tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105514917A true CN105514917A (en) | 2016-04-20 |
Family
ID=55722686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510879379.2A Pending CN105514917A (en) | 2015-12-05 | 2015-12-05 | Lightning protection device for high-voltage power transmission line tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105514917A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102016A (en) * | 1994-11-01 | 1995-04-26 | 王德言 | Optimized lightning rod |
| JP2010119165A (en) * | 2008-11-11 | 2010-05-27 | Hitachi Cable Ltd | Overhead transmission line, and method of constructing the same |
| CN202395408U (en) * | 2011-11-22 | 2012-08-22 | 李景禄 | Adjustable gap lightning protection device used for electric power system power transmission line |
| CN204441702U (en) * | 2015-02-02 | 2015-07-01 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of lightning stroke flashover restraint device for 110kV transmission line of alternation current |
-
2015
- 2015-12-05 CN CN201510879379.2A patent/CN105514917A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1102016A (en) * | 1994-11-01 | 1995-04-26 | 王德言 | Optimized lightning rod |
| JP2010119165A (en) * | 2008-11-11 | 2010-05-27 | Hitachi Cable Ltd | Overhead transmission line, and method of constructing the same |
| CN202395408U (en) * | 2011-11-22 | 2012-08-22 | 李景禄 | Adjustable gap lightning protection device used for electric power system power transmission line |
| CN204441702U (en) * | 2015-02-02 | 2015-07-01 | 国网电力科学研究院武汉南瑞有限责任公司 | A kind of lightning stroke flashover restraint device for 110kV transmission line of alternation current |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |