CN201478017U - Insulator lightning-protection electrode - Google Patents
Insulator lightning-protection electrode Download PDFInfo
- Publication number
- CN201478017U CN201478017U CN2009201766991U CN200920176699U CN201478017U CN 201478017 U CN201478017 U CN 201478017U CN 2009201766991 U CN2009201766991 U CN 2009201766991U CN 200920176699 U CN200920176699 U CN 200920176699U CN 201478017 U CN201478017 U CN 201478017U
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- electrode
- insulator
- metalwork
- section
- minimum
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Abstract
The utility model relates to an insulator lightning-protection electrode, which resolves the lightning protection and overcurrent passing caution problems of insulators. A metalwork of at least one end of an insulator (1) is electrically connected with an electrode (3), when metalworks at two ends of the insulator are electrically connected with electrodes, the minimum discharging gap (L2) between the two electrodes is less than the minimum electric arc distance (L1), when one end of the insulator is electrically connected with the electrode (3), the minimum discharging gap (L2) between the electrode (3) and the metalwork at the other end of the insulator is less than the minimum electric arc distance (L1), moreover, one electrode is hinged with a supporting stand (2) on the insulator metalwork or a vulnerable section is positioned on the electrode or the electrode is connected with the input end of a discharging monitor or a wireless transmitting device through a resistor, a capacitor or an inductor.
Description
Technical field:
The lightning protection device of insulator and connection device thereof is relevant in the utility model and the electrical system.
Background technology:
In electric power system, electric railway, after thunderbolt or switching overvoltage occurring, there are some electric equipments slight damage to occur, or after the discharge, be difficult to find the fault point, as composite insulator, after lightning discharge occurring, only stay stain or some unconspicuous vestiges of nib size on the gold utensil of two ends, want to find such point of discharge in the whole piece transmission line, workload is very big.
The utility model content:
The purpose of this utility model provides a kind of simple in structure, and lightning protection or anti-switching overvoltage are reliable, and the insulator lightning protection electrode of information warning is arranged behind the overvoltage earial drainage.
The utility model is that sample is realized:
The utility model insulator lightning protection electrode, the metalwork and the electrode 3 of insulator 1 at least one end are electrically connected, when insulator two ends metalwork and electrode are electrically connected, the minimum discharging gap L between two electrodes
2Minimum arcing distance L less than insulator
1, when an end of insulator is electrically connected with electrode 3, the minimum discharging gap L of electrode 3 and insulator other end metalwork
2Minimum arcing distance L less than insulator
1, have support 2 on an electrode and the metalwork to be hinged or electrode on have weak section or electrode to be connected with the input of discharge monitor or wireless launcher by resistance or electric capacity or inductance.
The weak section of described electrode is for connecting minor diameter or the small bore metal segments or the brittle substance section of two major diameters or heavy in section electrode metal section.
Described brittle substance section is cement section or pottery section or glass segments or fragility macromolecular material section.
On the connector support 2 of electrode 3 or electrode 3 and insulator end metalwork auxiliary gap is arranged.
Electrode 3 is connected as a single entity through support 2 metalwork with the insulator end, and perhaps electrode is connected with insulator end metalwork through bolt or buckle or plug-in unit or crimp.
Grading ring is equipped with in the insulator both ends or one end.
Described insulator is composite insulator or ceramic insulator or glass insulator or macromolecular material insulator or circuit breaker external insulation or instrument transformer external insulation or hollow insulator external insulation or isolating switch post insulator or roof insulator.
Electrode 3 is that fixed electrode is or/and the adjustable length electrode.
The utility model is simple in structure; lightning protection or anti-switching overvoltage are reliable, and the minimum discharging gap of electrode allows overvoltage electric arc release from electrode less than the minimum arcing distance of insulator; make electric arc away from insulator, protected insulator and had the neighbouring device that is electrically connected.And install some attached facilities of posting a letter additional on electrode, or use special material, when superpotential current drain, electrode changes or sends signal, easy access and maintenance.
Description of drawings:
Fig. 1 is a fixed electrode.
Fig. 2 is the adjustable length electrode, and electrode is scalable.
Fig. 3 is the electrode of fixedly posting a letter, and electrode is connected with transmitting device 4.
Fig. 4 is the adjustable length electrode of posting a letter.
Fig. 5 is the electrode of posting a letter that is hinged with support,
Fig. 6 is the weak section of electrode.
Fig. 7 is one of transmitting device.
Fig. 8 is two of a transmitting device.
Fig. 9 is the insulator that two grading rings are housed, and high-pressure side installs the fixedly sparking electrode that is positioned at the insulator annex additional, and low-pressure end installs adjustable photos and sending messages electrode additional.
Figure 10 is adjustable sparking electrode for low-pressure end installs additional.
Figure 11 installs fixed electrode additional for high-pressure side, and low-pressure end installs adjustable sparking electrode additional.
Figure 12 installs fixedly sparking electrode additional for high-pressure side, and low-pressure end installs the adjustable electrode of posting a letter additional.
Figure 13 is the insulator of joining a grading ring, and low-pressure end installs adjustable photos and sending messages electrode additional.
Figure 14 is the insulator of joining two grading rings, adorns fixed electrode on the high-pressure side grading ring.
Embodiment:
Embodiment 1:
Electrode 3 is connected with support 2, and support 2 is connected minimum discharging gap L between minimum discharging gap between the electrode or electrode 3 and the insulator metalwork with the metalwork of insulator one or both ends
2Less than the minimum arcing distance L of insulator
1Electrode 3 passes through resistance or electric capacity or inductance and is connected with the input of discharge monitor or wireless launcher 4.The discharge monitor can be the JS-8 discharge calculator that the electric magnificent source in JSQ-1 type combination overvoltage protector that Xi'an west electric lightning arrester factory produces or west, Xi'an electroceramics electrical apparatus factory produces.Emitter is commercially available wireless launcher (with the radio receiver pairing).Overcurrent is reported to the police by the signal input said apparatus that electrode produces.
Embodiment 2:
Embodiment 3:
Two grading rings 6 are housed on the insulator, adorn length-adjustable electrode 3 on the support 2 on the low-pressure end metalwork.Electrode 3 is connected with transmitting device 4, dress fixed electrode 3 on the grading ring 6 of insulator high-pressure side, perhaps dress fixed electrode 3 on the high-pressure side support.All the other structures are with embodiment 1.
Claims (8)
1. insulator lightning protection electrode is characterized in that the metalwork of at least one end of insulator (1) and electrode (3) are electrically connected, when insulator two ends metalwork and electrode are electrically connected, and the minimum discharging gap (L between two electrodes
2) less than the minimum arcing distance (L of insulator
1), an end of insulator and electrode (3) be when being electrically connected, the minimum discharging gap (L of electrode (3) and insulator other end metalwork
2) less than the minimum arcing distance (L of insulator
1), have support (2) on an electrode and the metalwork to be hinged or electrode on have weak section or electrode to be connected with the input of discharge monitor or wireless launcher by resistance or electric capacity or inductance.
2. guard electrode according to claim 1 is characterized in that the weak section of described electrode is for connecting minor diameter or the small bore metal segments or the brittle substance section of two major diameters or heavy in section electrode metal section.
3. guard electrode according to claim 2 is characterized in that described brittle substance section is cement section or pottery section or glass segments or fragility macromolecular material section.
4. guard electrode according to claim 1 is characterized in that on the connector support (2) of electrode (3) or electrode (3) and insulator end metalwork auxiliary gap being arranged.
5. guard electrode according to claim 1 is characterized in that electrode (3) is connected as a single entity through the metalwork of support (2) and insulator end, and perhaps electrode is connected with insulator end metalwork through bolt or buckle or plug-in unit or crimp.
6. guard electrode according to claim 1 is characterized in that the insulator both ends or one end are equipped with grading ring.
7. guard electrode according to claim 1 is characterized in that described insulator is composite insulator or ceramic insulator or glass insulator or macromolecular material insulator or circuit breaker external insulation or instrument transformer external insulation or hollow insulator external insulation or isolating switch post insulator or roof insulator.
8. guard electrode according to claim 1 is characterized in that electrode (3) is that fixed electrode is or/and the adjustable length electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201766991U CN201478017U (en) | 2009-09-10 | 2009-09-10 | Insulator lightning-protection electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201766991U CN201478017U (en) | 2009-09-10 | 2009-09-10 | Insulator lightning-protection electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201478017U true CN201478017U (en) | 2010-05-19 |
Family
ID=42414275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201766991U Expired - Fee Related CN201478017U (en) | 2009-09-10 | 2009-09-10 | Insulator lightning-protection electrode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201478017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872635A (en) * | 2014-02-17 | 2014-06-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Novel anti-thunder structure of overhead high-voltage transmission line |
| CN115110832A (en) * | 2022-07-06 | 2022-09-27 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
-
2009
- 2009-09-10 CN CN2009201766991U patent/CN201478017U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103872635A (en) * | 2014-02-17 | 2014-06-18 | 国网电力科学研究院武汉南瑞有限责任公司 | Novel anti-thunder structure of overhead high-voltage transmission line |
| CN103872635B (en) * | 2014-02-17 | 2016-04-06 | 国网电力科学研究院武汉南瑞有限责任公司 | Aerial high-voltage power transmission line lightning protection structure |
| CN115110832A (en) * | 2022-07-06 | 2022-09-27 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
| CN115110832B (en) * | 2022-07-06 | 2024-05-14 | 江苏神马电力股份有限公司 | Composite cross arm and power transmission tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20100910 |