CN104901168A - Lightning arrester with counting function - Google Patents
Lightning arrester with counting function Download PDFInfo
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- CN104901168A CN104901168A CN201510335057.1A CN201510335057A CN104901168A CN 104901168 A CN104901168 A CN 104901168A CN 201510335057 A CN201510335057 A CN 201510335057A CN 104901168 A CN104901168 A CN 104901168A
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- lightning arrester
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Abstract
The invention discloses a lightning arrester with a counting function, mainly applied to an overhead insulation lead; the overhead insulation lead is provided with an insulator and a puncturing wire clamp pole. The lightning arrester comprises a series gap lightning arrester and a support; the series gap lightning arrester is composed of a lightning arrester body, and the puncturing wire clamp pole keeping a certain distance with one end of the lightning arrester body; the other end of the lightning arrester body is installed on one side of the insulator through a support; the lightning arrester body is also in connection with a counter, and the lightning arrester body and the counter are integrated. Compared with the prior art, the lightning arrester has the characteristics of simple structure, lower cost and convenient installation and maintenance, and avoids aging and cracking of the lightning arrester body and prolongs the service life of the lightning arrester body; the series gap lightning arrester has a gap distance, so that even the lightning arrester body breaks down, an apparatus can operate normally.
Description
Technical field
The present invention relates to electrical equipment technical field, be specifically related to a kind of lightning arrester with tally function.
Background technology
At present, generally adopt suspended insulated guide wire at medium voltage power lines, under lightning overvoltage effect, once over the ground after flashover, can there is the situation flowing through power frequency continued flow along breakdown channel in suspended insulated guide wire.Because the external insulation of wire limits, power frequency continued flow is very easily fixed on a certain position and continues calcination wire, cause harness damage, wire fracture accident can be there is time serious, present use arrester with series gaps can after lightning overvoltage, cut off power frequency continued flow, prevent the generation of insulated overhead conductor fracture accident.In order to understand the conservation status of lightning arrester to power circuit further; take the measure of lightning arrester on-line monitoring; during detection, selectable feature physical quantity is more; wherein current in resistance property can reflect the running status of lightning arrester well, and the result that can change according to its current in resistance property and harmonic component thereof judges the performance of lightning arrester.When lightning arrester deterioration, resistive current first harmonics component increases sharply, but when lightning arrester is aging, current in resistance property 3 order harmonic components value increases fast.
But great majority do not take on-line monitoring measure at the arrester with series gaps of network operation, cannot realize carrying out on-line monitoring to arrester with series gaps action frequency.Minority adopts traditional split type counter to carry out on-line monitoring at the arrester with series gaps of network operation, install complicated, maintenance inconvenience, and cost is higher.
Summary of the invention
For addressing the aforementioned drawbacks, the object of this invention is to provide a kind of lightning arrester with tally function, structure is simple, and cost reduces, and installation and maintenance are more convenient, can realize carrying out on-line checkingi to the action frequency of arrester with series gaps.
For achieving the above object, the technical solution used in the present invention is: a kind of lightning arrester with tally function, be mainly used on suspended insulated guide wire, described suspended insulated guide wire is provided with insulator and penetrating cable clamp electrode, described lightning arrester comprises arrester with series gaps and support, described arrester with series gaps keeps the penetrating cable clamp electrode of certain distance to form by lightning arrester body and with described lightning arrester body one end, the described lightning arrester body other end passes through described support installing in the side of described insulator, described lightning arrester body is also connected with counter, and described lightning arrester body and described counter are set to one.
Preferably, described lightning arrester body and described counter are set to one by the encapsulation of silicon rubber composite sheath.
The insulating material that described lightning arrester body comprises core body and is wrapped in described core body outside is made, and described core body to be connected a piezoresistive wafer composition by metal oxide resistance, and described piezoresistive wafer both sides are respectively equipped with electrode I and electrode II; Described insulating material adopts glass fiber reinforced epoxy resin, or nylon, or enhancement mode unsaturated polyester (UP) is made.
Described counter comprises counter body, bridge rectifier unit and inductance coil, described bridge rectifier unit two ends are connected with electrode II with the electrode I of described core body respectively, and described bridge rectifier unit is parallel with capacitor and inductance coil respectively, described capacitor is by forming magnetic field, this body action of counter described in adhesive to described inductance coil electric discharge.
The present invention in use, when there is lightning overvoltage in suspended insulated guide wire, piezoresistive wafer below the core body of described lightning arrester body forms the impulse current with certain amplitude and waveform, impulse current is rectified into direct current by described bridge rectifier unit, and capacitor is charged, capacitor is by forming magnetic field to inductance coil electric discharge, realize the action of adhesive counter body, thus count 1 time, through detection after a while, judge that the performance of lightning arrester body is good and bad by the frequency of counter action.
The invention has the beneficial effects as follows: described lightning arrester body and described counter are set to one by the encapsulation of silicon rubber composite sheath, not only structure is simple, and cost is lower, is convenient to installation and maintenance, and avoid the aging of lightning arrester body and cracking, enhance the useful life of lightning arrester body; By lightning arrester body and the arrester with series gaps that forms with penetrating cable clamp electrode; lightning protection for suspended insulated guide wire has good effect; described lightning arrester body only just bears the effect of power-frequency voltage when gap discharge; owing to there being the distance in gap; even if when lightning arrester body breaks down, still normally run without influential system, reliability is high; service life is long, and transmission line lightning protection is developed rapidly.
Accompanying drawing explanation
Below with reference to the accompanying drawings and embodiment, structure of the present invention and feature are further described.
Fig. 1 is structural representation of the present invention.
Fig. 2 be lightning arrester body of the present invention and described counter be set to one time structural representation.
Fig. 3 is the structural representation of lightning arrester body of the present invention.
Fig. 4 is the fundamental diagram of lightning arrester body of the present invention and described counter.
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4,1. lightning arrester body, 2. insulator, 3. suspended insulated guide wire, 4. penetrating cable clamp electrode, 5. support, 6. counter, 7. silicon rubber composite sheath, 8. core body, 9. electrode I, 10. piezoresistive wafer, 11. electrodes II, 12. metal oxide resistances, 13. insulating material, 14. bridge rectifier unit, 15. capacitors, 16. inductance coils, 17. counter bodies.
Embodiment
Referring to Fig. 1, Fig. 2, in Fig. 3 and Fig. 4, a kind of lightning arrester with tally function, be mainly used on suspended insulated guide wire, described suspended insulated guide wire 3 is provided with insulator 2 and penetrating cable clamp electrode 4, described lightning arrester comprises arrester with series gaps and support 5, described arrester with series gaps keeps the penetrating cable clamp electrode 4 of certain distance to form by lightning arrester body 1 and with described lightning arrester body 1 one end, described lightning arrester body 1 other end is arranged on the side of described insulator 2 by described support 5, described lightning arrester body 1 is also connected with counter 6, and described lightning arrester body 1 is set to one with described counter 6 by the encapsulation of silicon rubber composite sheath 7.
The insulating material 13 that described lightning arrester body 1 comprises core body 8 and is wrapped in described core body 8 outside is made, described core body 1 consists of metal oxide resistance 12 piezoresistive wafer 10 of connecting, and described piezoresistive wafer 10 both sides are respectively equipped with 9 electrode I and 11 electrodes II; Described insulating material 13 adopts glass fiber reinforced epoxy resin, or nylon, or enhancement mode unsaturated polyester (UP) is made.
Described counter 6 comprises counter body 17, bridge rectifier unit 14 and inductance coil 16, described bridge rectifier unit 14 two ends are connected with 11 electrodes II with 9 electrodes I of described core body respectively, and described bridge rectifier unit 14 is parallel with capacitor 15 and inductance coil 16 respectively, described capacitor 15 forms magnetic field, counter body 17 action described in adhesive by discharging to described inductance coil 16.
The present invention in use, when there is lightning overvoltage in suspended insulated guide wire 3, piezoresistive wafer 10 below described core body 8 forms the impulse current with certain amplitude and waveform, impulse current is rectified into direct current by described bridge rectifier unit 14, and capacitor 15 is charged, capacitor 15 forms magnetic field by discharging to inductance coil 16, realize the action of adhesive counter body 17, thus count 1 time, through detection after a while, judge that the performance of lightning arrester body is good and bad by the frequency of this body action of counter.
Lightning arrester body described in the present invention and described counter are set to one by the encapsulation of silicon rubber composite sheath, not only structure is simple, and cost is lower, is convenient to installation and maintenance, and avoid the aging of lightning arrester body and cracking, enhance the useful life of lightning arrester body; By lightning arrester body and the arrester with series gaps that forms with penetrating cable clamp electrode; lightning protection for suspended insulated guide wire has good effect; described lightning arrester body only just bears the effect of power-frequency voltage when gap discharge; owing to there being the distance in gap; even if when lightning arrester body breaks down, still can not normally run by influential system, reliability is high; service life is long, and transmission line lightning protection is developed rapidly.
Described above is only preferred embodiment of the present invention, and above-mentioned specific embodiment is not limitation of the present invention, and all those of ordinary skill in the art, according to describing retouching, the amendment made above or equivalent replacing, all belong to protection scope of the present invention.
Claims (4)
1. one kind has the lightning arrester of tally function, be mainly used on suspended insulated guide wire, it is characterized in that: described suspended insulated guide wire is provided with insulator and penetrating cable clamp electrode, described lightning arrester comprises arrester with series gaps and support, described arrester with series gaps keeps the penetrating cable clamp electrode of certain distance to form by lightning arrester body and with described lightning arrester body one end, the described lightning arrester body other end passes through described support installing in the side of described insulator, described lightning arrester body is also connected with counter, and described lightning arrester body and described counter are set to one.
2. the lightning arrester with tally function according to claim 1, is characterized in that: described lightning arrester body and described counter are set to one by the encapsulation of silicon rubber composite sheath.
3. the lightning arrester with tally function according to claim 1, it is characterized in that: the insulating material that described lightning arrester body comprises core body and is wrapped in described core body outside is made, described core body by metal oxide resistance connect one piezoresistive wafer composition, described piezoresistive wafer both sides are respectively equipped with electrode I and electrode II; Described insulating material adopts glass fiber reinforced epoxy resin, or nylon, or enhancement mode unsaturated polyester (UP) is made.
4. the lightning arrester with tally function according to claim 1, it is characterized in that: described counter comprises counter body, bridge rectifier unit and inductance coil, described bridge rectifier unit two ends are connected with electrode II with the electrode I of described core body respectively, and described bridge rectifier unit is parallel with capacitor and inductance coil respectively, described capacitor is by forming magnetic field, this body action of counter described in adhesive to described inductance coil electric discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335057.1A CN104901168A (en) | 2015-06-17 | 2015-06-17 | Lightning arrester with counting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510335057.1A CN104901168A (en) | 2015-06-17 | 2015-06-17 | Lightning arrester with counting function |
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| Publication Number | Publication Date |
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| CN104901168A true CN104901168A (en) | 2015-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510335057.1A Pending CN104901168A (en) | 2015-06-17 | 2015-06-17 | Lightning arrester with counting function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159930A (en) * | 2016-08-28 | 2016-11-23 | 安徽普天电力科技有限公司 | A kind of high voltage single-core cable screen layer overvoltage protection device |
| CN106936110A (en) * | 2017-04-28 | 2017-07-07 | 浙江永固电缆附件有限公司 | Overvoltage protection device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0190547A1 (en) * | 1985-01-31 | 1986-08-13 | Sprecher Energie Österreich Gesellschaft m.b.H. | Device for monitoring and counting the response of a non-spark gap overvoltage arrester |
| CN2443381Y (en) * | 1999-10-01 | 2001-08-15 | 刘金生 | Voltage sensitive type voltage sensor |
| CN2526856Y (en) * | 2002-02-27 | 2002-12-18 | 南京伏安电气有限公司 | Lightning arrestor impulse current recorder |
| CN103701108A (en) * | 2013-12-13 | 2014-04-02 | 北京突破电气有限公司 | Lightning protection device with lightning stroke counting function |
| CN203574220U (en) * | 2013-11-26 | 2014-04-30 | 国家电网公司 | Puncture-type lightning arrester with counting function |
| CN104076193A (en) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | Overvoltage collecting device based on zinc oxide varistor |
| CN204537774U (en) * | 2015-04-10 | 2015-08-05 | 保定通力电器设备有限公司 | Penetration type series connection outer-gap lightning arrester |
| CN204793621U (en) * | 2015-06-17 | 2015-11-18 | 南阳金牛电气有限公司 | Lightning arrester with tally function |
-
2015
- 2015-06-17 CN CN201510335057.1A patent/CN104901168A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0190547A1 (en) * | 1985-01-31 | 1986-08-13 | Sprecher Energie Österreich Gesellschaft m.b.H. | Device for monitoring and counting the response of a non-spark gap overvoltage arrester |
| CN2443381Y (en) * | 1999-10-01 | 2001-08-15 | 刘金生 | Voltage sensitive type voltage sensor |
| CN2526856Y (en) * | 2002-02-27 | 2002-12-18 | 南京伏安电气有限公司 | Lightning arrestor impulse current recorder |
| CN203574220U (en) * | 2013-11-26 | 2014-04-30 | 国家电网公司 | Puncture-type lightning arrester with counting function |
| CN103701108A (en) * | 2013-12-13 | 2014-04-02 | 北京突破电气有限公司 | Lightning protection device with lightning stroke counting function |
| CN104076193A (en) * | 2014-04-12 | 2014-10-01 | 国家电网公司 | Overvoltage collecting device based on zinc oxide varistor |
| CN204537774U (en) * | 2015-04-10 | 2015-08-05 | 保定通力电器设备有限公司 | Penetration type series connection outer-gap lightning arrester |
| CN204793621U (en) * | 2015-06-17 | 2015-11-18 | 南阳金牛电气有限公司 | Lightning arrester with tally function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159930A (en) * | 2016-08-28 | 2016-11-23 | 安徽普天电力科技有限公司 | A kind of high voltage single-core cable screen layer overvoltage protection device |
| CN106936110A (en) * | 2017-04-28 | 2017-07-07 | 浙江永固电缆附件有限公司 | Overvoltage protection device |
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Application publication date: 20150909 |