CN105610116A - Protection device having functions of lightning protection, electricity inspection and grounding, and protection method - Google Patents
Protection device having functions of lightning protection, electricity inspection and grounding, and protection method Download PDFInfo
- Publication number
- CN105610116A CN105610116A CN201610120165.1A CN201610120165A CN105610116A CN 105610116 A CN105610116 A CN 105610116A CN 201610120165 A CN201610120165 A CN 201610120165A CN 105610116 A CN105610116 A CN 105610116A
- Authority
- CN
- China
- Prior art keywords
- protective device
- wire
- protection
- lightning
- line insulator
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000005611 electricity Effects 0.000 title abstract 3
- 238000007689 inspection Methods 0.000 title abstract 3
- 238000009413 insulation Methods 0.000 claims abstract description 13
- 238000012423 maintenance Methods 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 39
- 239000012212 insulator Substances 0.000 claims description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 238000012795 verification Methods 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 11
- 238000007599 discharging Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 8
- 230000006698 induction Effects 0.000 claims description 3
- 230000002045 lasting effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- H02G13/80—Discharge by conduction or dissipation, e.g. rods, arresters, spark gaps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/08—Limitation or suppression of earth fault currents, e.g. Petersen coil
Abstract
The invention relates to a protection device having functions of lightning protection, electricity inspection and grounding, and a protection method. Currently, a grounding bar is usually hung to serve as connection of circuit grounding during circuit maintenance, a protection function of preventing an overhead wire from being stricken and broken by lightning is not provided, and many inconveniences are brought to wire repair and maintenance of an electric power department. The protection device comprises a protection unit (11), wherein the protection unit comprises a wire clip seat (7), an insulation wire (1) is arranged between the wire clip seat and a puncturing press block (5), a hole is formed at an middle position of the wire clip seat, a bolt at the upper part an insulation multi-purpose ring (6) passes through the hole, the external diameter of the bolt passes through the puncturing press block, a press nut (4) and a standby press nut (3), and the lower left end of the insulation multi-purpose ring is provided with an arc extinguishing ball (8). The protection device is used for the protection device having the functions of lightning protection, electricity inspection and grounding.
Description
Technical field:
The present invention relates to a kind of protective device and guard method with lightning protection electrical verification grounding function.
Background technology:
In the time of line maintenance, be generally to hang up the connection of drop bar as line-to-ground at present, do not possess the defencive function that prevents aerial condutor lightning-caused breaking, make power department maintenance and safeguard that wire causes inconvenience. This product is applicable to AC electric power systems rated voltage 10kV, can be used as the purposes that prevents lightning-caused breaking, be suitable for wire scope 50-240mm2, do not need ground connection separately, be a kind of product of new structure simultaneously, and it is mainly arranged on the load side of line insulator, there is the aerial condutor of preventing lightning-caused breaking function, installation is convenient, and dependable performance, for power department provides the effective measures that small investment brings notable results.
Summary of the invention:
The object of this invention is to provide a kind of protective device and guard method with lightning protection electrical verification grounding function.
Above-mentioned object realizes by following technical scheme:
A kind of protective device with lightning protection electrical verification grounding function; its composition comprises: protective device; described protective device comprises wire clamp seat; between described wire clamp seat and puncture briquetting, insulated conductor is installed; described wire clamp seat centre position has hole; in described hole, be installed with the double-screw bolt of the multiplex ring of insulation top, described double-screw bolt external diameter is through described puncture briquetting, clamp nut, standby jack panel, and the multiplex ring of described insulation below left end has extinguishing arc ball.
The described protective device with lightning protection electrical verification grounding function; described insulated conductor below is provided with line insulator; described line insulator below is connected with crossbearer by bolt; described line insulator has column type steel pin, described column type steel pin and the described corresponding formation of extinguishing arc ball gap.
A kind of protective device and guard method with lightning protection electrical verification grounding function, the method comprises the steps: it is first the load side that protective device is arranged on to line insulator, then by clamp nut with standby jack panel by described protective device, be that Lightningproof electric-check earthing ring is fastened on wire, when installation, adjust the distance between extinguishing arc ball and the cylindrical steel pin of line insulator below according to electric discharge installation dimension;
The penetrable wire insulation of puncture briquetting of described protective device upper end, makes namely lightning protection ring and the wire formation electrical connection of described protective device, can hang up the connection of drop bar as line-to-ground in the time of line maintenance;
Described left side, protective device lower end has extinguishing arc ball, the corresponding formation discharging gap of cylindrical steel pin with line insulator below, when in the time that thunder and lightning occurs, the thunder and lightning induction voltage of wire exceedes certain numerical value or while meeting with direct lightning strike, between cylindrical steel pin below described extinguishing arc ball and described line insulator, cause flashover electric discharge, form short-channel, lasting power frequency arc just burns at discharging gap place, discharge overvoltage energy, avoid burn broken string with guardwire, described protective device has the structure of common earthing clamp, increase again the discharging gap between extinguishing arc ball and the cylindrical steel pin of line insulator below.
Beneficial effect:
1. the present invention is a kind of protective device with lightning protection electrical verification grounding function; mainly be applicable to AC electric power systems rated voltage 10kV; can be used as the purposes that prevents lightning-caused breaking; be suitable for wire scope 50-240mm2, do not need ground connection separately, be mainly arranged on the load side of line insulator simultaneously; there is the aerial condutor of preventing lightning-caused breaking function; installation is convenient, and dependable performance, for power department provides the effective measures that small investment brings notable results.
Extinguishing arc ball of the present invention and wire clamp seat assembly connection are integral; in the time that thunderbolt occurs; discharging in gap between the cylindrical steel pin of described extinguishing arc ball and line insulator below, afterflow power frequency arc is moved on starting rod and burn, thereby protection insulated conductor is injury-free.
The guard shield of line insulator of the present invention outside adopts organic composite material to make, and has good insulating properties, ageing resistace and fire resistance, and the outside that it is assemblied in to wire clamp seat, can play insulation protection effect.
Installation of the present invention is convenient, does not need to divest insulated conductor insulating barrier, avoids core water inlet and corrosion, also can alleviate operating personnel's labour intensity.
Protective device of the present invention is arranged on the load side of line insulator; by clamp nut with standby jack panel by described protective device; be that Lightningproof electric-check earthing ring is fastened on wire; when installation, adjust the distance between extinguishing arc ball and the cylindrical steel pin of line insulator below according to electric discharge installation dimension; this structure is installed easy to adjust, convenient operation.
Brief description of the drawings:
Accompanying drawing 1 is structural representation of the present invention.
Detailed description of the invention:
Embodiment 1:
A kind of protective device with lightning protection electrical verification grounding function; its composition comprises: protective device 11; described protective device comprises wire clamp seat 7; between described wire clamp seat and puncture briquetting 5, insulated conductor 1 is installed; described wire clamp seat centre position has hole; in described hole, be installed with the double-screw bolt of insulation multiplex ring 6 tops, described double-screw bolt external diameter is through described puncture briquetting, clamp nut 4, standby jack panel 3, and the multiplex ring of described insulation below left end has extinguishing arc ball 8.
Embodiment 2:
The protective device with lightning protection electrical verification grounding function described in embodiment 1; described insulated conductor below is provided with line insulator 2; described line insulator below is connected with crossbearer 10 by bolt; described line insulator has column type steel pin 9, described column type steel pin and the described corresponding formation of extinguishing arc ball gap.
Embodiment 3:
The guard method of the protective device with lightning protection electrical verification grounding function described in a kind of embodiment of utilization 1-2, this method is to be first the load side that protective device is arranged on to line insulator, then by clamp nut with standby jack panel by described protective device, be that Lightningproof electric-check earthing ring is fastened on wire, when installation, adjust the distance between extinguishing arc ball and the cylindrical steel pin of line insulator below according to electric discharge installation dimension;
The penetrable wire insulation of puncture briquetting of described protective device upper end, makes namely lightning protection ring and the wire formation electrical connection of described protective device, can hang up the connection of drop bar as line-to-ground in the time of line maintenance;
Described left side, protective device lower end has extinguishing arc ball, the corresponding formation discharging gap of cylindrical steel pin with line insulator below, when in the time that thunder and lightning occurs, the thunder and lightning induction voltage of wire exceedes certain numerical value or while meeting with direct lightning strike, between cylindrical steel pin below described extinguishing arc ball and described line insulator, cause flashover electric discharge, form short-channel, lasting power frequency arc just burns at discharging gap place, discharge overvoltage energy, avoid burn broken string with guardwire, described protective device has the structure of common earthing clamp, increase again the discharging gap between extinguishing arc ball and the cylindrical steel pin of line insulator below.
Claims (3)
1. one kind has the protective device of lightning protection electrical verification grounding function; its composition comprises: protective device; it is characterized in that: described protective device comprises wire clamp seat; between described wire clamp seat and puncture briquetting, insulated conductor is installed; described wire clamp seat centre position has hole; in described hole, be installed with the double-screw bolt of the multiplex ring of insulation top, described double-screw bolt external diameter is through described puncture briquetting, clamp nut, standby jack panel, and the multiplex ring of described insulation below left end has extinguishing arc ball.
2. the protective device with lightning protection electrical verification grounding function according to claim 1; it is characterized in that: described insulated conductor below is provided with line insulator; described line insulator below is connected with crossbearer by bolt; described line insulator has column type steel pin, described column type steel pin and the described corresponding formation of extinguishing arc ball gap.
3. a guard method for the protective device with lightning protection electrical verification grounding function described in claim 1-2, is characterized in that: the method comprises the steps:
First be the load side that protective device is arranged on to line insulator, then by clamp nut with standby jack panel by described protective device, be that Lightningproof electric-check earthing ring is fastened on wire, when installation, adjust the distance between extinguishing arc ball and the cylindrical steel pin of line insulator below according to electric discharge installation dimension;
The penetrable wire insulation of puncture briquetting of described protective device upper end, makes namely lightning protection ring and the wire formation electrical connection of described protective device, can hang up the connection of drop bar as line-to-ground in the time of line maintenance;
Described left side, protective device lower end has extinguishing arc ball, the corresponding formation discharging gap of cylindrical steel pin with line insulator below, when in the time that thunder and lightning occurs, the thunder and lightning induction voltage of wire exceedes certain numerical value or while meeting with direct lightning strike, between cylindrical steel pin below described extinguishing arc ball and described line insulator, cause flashover electric discharge, form short-channel, lasting power frequency arc just burns at discharging gap place, discharge overvoltage energy, avoid burn broken string with guardwire, described protective device has the structure of common earthing clamp, increase again the discharging gap between extinguishing arc ball and the cylindrical steel pin of line insulator below.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610120165.1A CN105610116A (en) | 2016-03-03 | 2016-03-03 | Protection device having functions of lightning protection, electricity inspection and grounding, and protection method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610120165.1A CN105610116A (en) | 2016-03-03 | 2016-03-03 | Protection device having functions of lightning protection, electricity inspection and grounding, and protection method |
Publications (1)
Publication Number | Publication Date |
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CN105610116A true CN105610116A (en) | 2016-05-25 |
Family
ID=55989752
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610120165.1A Pending CN105610116A (en) | 2016-03-03 | 2016-03-03 | Protection device having functions of lightning protection, electricity inspection and grounding, and protection method |
Country Status (1)
Country | Link |
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CN (1) | CN105610116A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300213A (en) * | 2016-09-11 | 2017-01-04 | 国网浙江省电力公司温州市洞头区供电公司 | A kind of line flashover protector |
CN107331991A (en) * | 2017-08-22 | 2017-11-07 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of ground wire suspension plate |
-
2016
- 2016-03-03 CN CN201610120165.1A patent/CN105610116A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106300213A (en) * | 2016-09-11 | 2017-01-04 | 国网浙江省电力公司温州市洞头区供电公司 | A kind of line flashover protector |
CN107331991A (en) * | 2017-08-22 | 2017-11-07 | 国网辽宁省电力有限公司辽阳供电公司 | A kind of ground wire suspension plate |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160525 |
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WD01 | Invention patent application deemed withdrawn after publication |