CN102751661B - Dual-electrode based lightning protection method and lightning rod - Google Patents
Dual-electrode based lightning protection method and lightning rod Download PDFInfo
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- CN102751661B CN102751661B CN201210229270.0A CN201210229270A CN102751661B CN 102751661 B CN102751661 B CN 102751661B CN 201210229270 A CN201210229270 A CN 201210229270A CN 102751661 B CN102751661 B CN 102751661B
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Abstract
The invention discloses a dual-electrode based lightning protection method and a lightning rod. The dual-electrode based lightning protection method is characterized in that lightning protection is carried out by adopting a dual-electrode mode; a leading electrode beneficial to thunder and lightning leading and an electric discharge electrode beneficial to thunder and lightning current releasing are installed on the lightning rod at the same time; firstly, an electric discharge channel is formed through electrode accumulation of the leading electrode; after the electric discharge channel is formed, the thunder and lightning is led to the lightning rod through the leading electrode; and then a main electric discharge channel is formed through an electric discharge electrode, and the thunder and lightning is led to the earth. The dual-electrode lightning protection provided by the invention combines with the advantages of 'needle-tip-type' and 'semispherical-type' lightning rods, and solves the defects of the 'needle-tip-type' and 'semispherical-type' lightning rods; and all components of the lightning rod are installed and fixed by adopting the threads or bolts; and the lightning rod is convenient to install and use, is simple and compact in structure, has good lighting protection effect, and is safe and reliable.
Description
Technical field
The present invention relates to lightning protection method and lightning rod, specifically relate to a kind of lightning protection method and lightning rod based on bipolar electrode.
Background technology
The existing lightning rod generally adopting has two kinds, and a kind of is that lightning rod top is the lightning rod of needle point form, another kind of for lightning rod top be " hemisphere " shielding angle lightning rod greatly.It is material that the lightning rod of these two kinds of forms all uses the conventional iron and steel such as stainless steel, galvanized steel.Above-mentioned needle point formula lightning rod exists the shortcomings such as protection angle is little, and Steel material needle point is perishable, thunder and lightning tolerance is little.And " hemisphere " large shielding angle lightning rod when there is thundercloud because lightning rod top table amasss greatly; exist stored charge guiding thundercloud discharge fast according to this lightning rod of point discharge principle; also exist the shortcomings such as perishable, stainless steel is made in addition " hemisphere " exists the problems such as light pollution due to surface-brightening.All exist the problems such as service time is short simultaneously.
Only find that there is the improvement about traditional type lightning protection method and device by domestic patent retrieval, but these patents all there is no thoroughly to solve existing needle point form or the existing deficiency of hemispheric lightning rod, are therefore necessary prior art to improve.
Summary of the invention
Little for existing lightning conductor protection angle, thunder and lightning tolerance is little, a little less than electric charge guidance capability, useful life short shortcoming; the invention provides a kind of bipolar electrode lightning protection method and lightning rod based on leading electrode and sparking electrode; it is simple and compact for structure; lightning protection fruit is effective; can effectively guide fast thundercloud to discharge over the ground; easy to install, safe and reliable.
The technical solution used in the present invention is:
Based on a lightning protection method for bipolar electrode, adopt the mode of bipolar electrode to take shelter from the thunder, on lightning rod, install simultaneously and be beneficial to the leading electrode of thunder and lightning guiding and be beneficial to the sparking electrode that lightning current discharges, first form discharge channel by leading electrode stored charge, when after discharge channel forms, thunder and lightning causes lightning rod by leading electrode, form main discharge passage by sparking electrode again, lightning current is introduced to the earth, described leading electrode is the electrode of needle point form, sparking electrode is the electrode of hemisphere form, leading electrode is enclosed within the hollow endoporus of sparking electrode, and the position of leading electrode is higher than sparking electrode, the needle tip stored charge of first logical leading electrode forms discharge channel, form main discharge passage by sparking electrode hemisphere form pin end again, lightning current is introduced to the earth, described leading electrode and sparking electrode adopt separate discharge path, between described leading electrode and sparking electrode, adopt the insulator of high-insulativity to be separated from each other, only do mutual electrical connection in bottom by electrode terminal pad.
For realizing the bipolar electrode lightning rod of above-mentioned lightening arresting method, comprise leading electrode and sparking electrode, leading electrode be placed in sparking electrode and position higher than sparking electrode, described leading electrode upper end is prong top, lower end connects guiding conductor, described sparking electrode upper end is the non-needle point structure body that volume is larger, lower end connects discharge tube, the prong top of described leading electrode is electrically connected with the upper end of described sparking electrode, the equal connecting electrode terminal pad in described guiding conductor and discharge tube bottom, described electrode terminal pad connects downlead and connects earth mat.
Further, between described guiding conductor and described discharge tube, adopt the insulator of high-insulativity to be separated from each other, only interconnected by electrode terminal pad in bottom, described electrode terminal pad connects downlead and connects earth mat.
Further, described leading electrode and sparking electrode adopt coaxially arranged.
Further, described leading electrode is formed by the good metal material processing of conductivity, and upper end is prong top, and lower end is processed with screw thread for being connected with guiding conductor.
Further, described guiding conductor is formed by the good metal material processing of conductivity, upper end be double-screw bolt for connecting leading electrode, lower end is processed with screw thread for connecting electrode terminal pad.
Further, the non-needle point structure body of large volume of described sparking electrode upper end is " hemisphere " electrode and is formed by machining graphite, lower end is provided with electrode slice, and electrode slice is connected with discharge tube by screw thread, and the center of " hemisphere " electrode is provided with hole for placing leading electrode and insulator.
Further, described discharge tube is made up of round steel or the good metal material of other conductivity, and top is provided with the double-screw bolt being connected with sparking electrode, and bottom is provided with ring flange and is connected with electrode terminal pad, and two ends are provided with and drain water hole for discharge pipe internal water accumulation simultaneously.
Further, described discharge tube adopts bamboo joint type design, and discharge tube is assembled by more piece, and except the joint discharge tube top that sparking electrode is installed is that double-screw bolt bottom is ring flange, discharge tube top and the bottom of other sections are ring flange.
Further, described electrode terminal pad is made up of steel or the good metal material of other electric conductivities, center is provided with double-screw bolt, be used for connecting guiding conductor, bottom is a ring flange for being connected with the ring flange of discharge tube bottom, and the mode that electrode terminal pad also passes through bolt or welding is simultaneously connected with downlead.
Operation principle of the present invention is: leading electrode adopts prong shape, in the time having thundercloud, electric charge can accumulate at needle tip fast, under electric charge being drawn by leading electrode, because sparking electrode cross section is large, resistance is little, therefore the electric charge under being drawn by leading electrode mainly can be introduced ground by discharge tube through sparking electrode, reaches lightning-arrest effect.
The invention has the advantages that: 1, lightning rod adopts bipolar electrode structural design, by point discharge principle needle point that known leading electrode adopts can be in the time having thundercloud fast speed in needle tip stored charge, shorter discharge time than " hemisphere " lightning rod; In the time that thunder and lightning lotus causes lightning rod by leading electrode, overwhelming majority lightning current will drop on " hemisphere " graphite main discharge electrode and form main discharge passage, and lightning current is introduced to the earth, and the velocity of discharge is fast, and protection angle is large; 2, adopt graphite as sparking electrode, corrosion-resistant and resistance to lightning current ability all improves greatly, solves a difficult problem for lightning rod light pollution.
The lightning-arrest advantage that combines " needle point shape " and " hemisphere " lightning rod of bipolar electrode of the present invention, solved deficiency of " needle point shape " and " hemisphere " lightning rod simultaneously, the installation of all parts of lightning rod all adopt screw thread or bolt firm easy to install, simple and compact for structure, lightning protection effect is good, safe and reliable.
Accompanying drawing explanation
The structural representation of Fig. 1 bipolar electrode lightning rod of the present invention;
Fig. 2 leading electrode structural representation of the present invention;
Fig. 3 discharge electrode structure schematic diagram of the present invention;
Fig. 4 a kind of embodiment schematic diagram of the present invention;
In figure, 1-leading electrode, 2-sparking electrode, 3-guides conductor, 4-discharge tube, 5-electrode terminal pad, 6-insulator.
Embodiment
Further set forth the present invention below in conjunction with the drawings and specific embodiments.
Based on a lightning protection method for bipolar electrode, adopt the mode of bipolar electrode to take shelter from the thunder, on lightning rod, install simultaneously and be beneficial to the leading electrode of thunder and lightning guiding and be beneficial to the sparking electrode that lightning current discharges, first form discharge channel by leading electrode stored charge, when after discharge channel forms, thunder and lightning causes lightning rod by leading electrode, form main discharge passage by sparking electrode again, lightning current is introduced to the earth, described leading electrode is the electrode of needle point form, sparking electrode is the electrode of hemisphere form, leading electrode is enclosed within the hollow endoporus of sparking electrode, and the position of leading electrode is higher than sparking electrode, first form discharge channel by the needle tip stored charge of leading electrode, form main discharge passage by sparking electrode hemisphere form pin end again, lightning current is introduced to the earth, described leading electrode and sparking electrode adopt separate discharge path, between described leading electrode and sparking electrode, adopt the insulator of high-insulativity to be separated from each other, only do mutual electrical connection in bottom by electrode terminal pad.
Make the bipolar electrode lightning rod of a kind of lightening arresting method proposing according to said method, comprise leading electrode 1 and sparking electrode 2, leading electrode 1 be placed in sparking electrode 2 and position higher than sparking electrode 2, described leading electrode 1 upper end is prong top, lower end connects guiding conductor 3, the larger non-needle point structure body of described sparking electrode 2 upper end volumes, lower end connects discharge tube 4, the prong top of described leading electrode 1 is electrically connected with the top of described sparking electrode 2, described guiding conductor 3 and the discharge tube 4 equal connecting electrode terminal pads 5 in bottom, described electrode terminal pad 5 connects downlead and connects earth mat.
Further, as shown in Figure 1, adopt the insulator 6 of high-insulativity to be separated from each other between described guiding conductor 3 and described discharge tube 4, only interconnected by electrode terminal pad 5 in bottom, described electrode terminal pad 5 connects downlead and connects earth mat.
Further, as shown in Figure 1, described leading electrode 1 and sparking electrode 2 adopt coaxially arranged.
Further, as shown in Figure 2, described leading electrode 1 is formed by the good metal material processing of conductivity, and upper end is prong top, and lower end is processed with screw thread for being connected with guiding conductor 3.
Further, as shown in Figure 2, described guiding conductor is formed by the good metal material processing of conductivity, upper end be double-screw bolt 7 for connecting leading electrode 1, lower end is processed with screw thread for connecting electrode terminal pad 5.
Further, shown in Fig. 3, the larger non-needle point structure body of volume of described sparking electrode 2 upper ends is formed by machining graphite for " hemisphere " electrode, lower end is provided with electrode slice 10, electrode slice 10 is connected with discharge tube by screw thread, and the center of " hemisphere " electrode is provided with hole 8 for placing leading electrode 1 and insulator 6.
Further, as shown in Figure 1, described discharge tube 4 is made up of round steel or the good metal material of other conductivity, and top is provided with the double-screw bolt being connected with sparking electrode 2, bottom is provided with ring flange and is connected with electrode terminal pad 5, and two ends are provided with and drain water hole for discharge pipe internal water accumulation simultaneously.
Further, as shown in Figure 1, described discharge tube 4 adopts segment type design, be that discharge tube 4 is assembled by more piece, the joint discharge tube top that sparking electrode is installed except top is that double-screw bolt bottom is ring flange, discharge tube top and the bottom of other sections are ring flange, and the electric discharge tube coupling on top adopts wire digging line further to fix.
Further, described electrode terminal pad 5 is made up of steel or the good metal material of other electric conductivities, center is provided with double-screw bolt, be used for connecting guiding conductor, bottom is a ring flange for being connected with the ring flange of discharge tube bottom, and the mode that electrode terminal pad also passes through bolt or welding is simultaneously connected with downlead.
Embodiment mono-
This adapts to a novel embodiment as shown in Figure 4, a kind of bipolar electrode lightning rod, comprise leading electrode 1 and sparking electrode 2, described leading electrode 1 and sparking electrode 2 adopt coaxially arranged, leading electrode 1 be placed in sparking electrode 2 and position higher than sparking electrode 2, described leading electrode 1 upper end is prong top, lower end connects guiding conductor 3, described sparking electrode 2 upper ends are " hemisphere " graphite electrode, lower end connects discharge tube 4, the prong top of described leading electrode 1 is electrically connected with " hemisphere " top of described sparking electrode 2, described guiding conductor 3 adopts insulator 6 to make it to separate with discharge tube 4 tops, the equal connecting electrode terminal pad 5 in bottom, described electrode terminal pad 5 connects downlead and connects earth mat, as can be seen from the figure, described discharge tube adopts segment type design, and discharge tube 4 is assembled by more piece, and the higher discharge tube in position adopts wire digging line further to fix.Its operation principle is, thereby needle point formula leading electrode 1 is beneficial to point discharge has very strong thunder and lightning guided bone, and leading electrode by 1 lightning current draw lower after, discharged by " hemisphere " graphic discharge electrode 2 and discharge tube 4, so just combine the feature of needle point formula lightning rod and " hemisphere " lightning rod, overcome again both deficiencies simultaneously.
Above-mentioned embodiment and embodiment are only the preferred embodiment of the present invention; in this article only for further setting forth technical scheme of the present invention; those of ordinary skills are not departing from distortion and the retouching under essence of the present invention and technology enlightenment, done; all should be considered as within protection scope of the present invention, protection scope of the present invention is specifically depending on its claims and equivalent thereof.
Claims (7)
1. the lightning protection method based on bipolar electrode, is characterized in that, adopts the mode of bipolar electrode to take shelter from the thunder, on lightning rod, install simultaneously and be beneficial to the leading electrode of thunder and lightning guiding and be beneficial to the sparking electrode that lightning current discharges, first form discharge channel by leading electrode stored charge, when after discharge channel forms, thunder and lightning causes lightning rod by leading electrode, form main discharge passage by sparking electrode again, lightning current is introduced to the earth, described leading electrode is the electrode of needle point form, sparking electrode is the electrode of hemisphere form, leading electrode is enclosed within the hollow endoporus of sparking electrode, and the position of leading electrode is higher than sparking electrode, first form discharge channel by the needle tip stored charge of leading electrode, form main discharge passage by sparking electrode hemisphere form pin end again, lightning current is introduced to the earth, described leading electrode and sparking electrode adopt separate discharge path, between described leading electrode and sparking electrode, adopt the insulator of high-insulativity to be separated from each other, only do mutual electrical connection in bottom by electrode terminal pad.
2. the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode according to claim 1, it is characterized in that, comprise leading electrode and sparking electrode, leading electrode be placed in sparking electrode and position higher than sparking electrode, described leading electrode upper end is prong top, lower end connects guiding conductor, described sparking electrode upper end is " hemisphere " structure, lower end connects discharge tube, the prong top of described leading electrode is electrically connected with the top of described sparking electrode, the equal connecting electrode terminal pad in described guiding conductor and discharge tube bottom, described electrode terminal pad connects downlead and connects earth mat.
3. the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode according to claim 2, it is characterized in that, between described guiding conductor and described discharge tube, adopt the insulator of high-insulativity to be separated from each other, only interconnected by electrode terminal pad in bottom, described electrode terminal pad connects downlead and connects earth mat.
4. according to the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode described in claim 1 or 2, it is characterized in that, described leading electrode and sparking electrode adopt coaxially arranged.
5. according to the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode described in claim 1 or 2, it is characterized in that, described leading electrode is formed by the good metal material processing of conductivity, and upper end is prong top, and lower end is processed with screw thread for being connected with guiding conductor.
6. the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode according to claim 2, it is characterized in that, described guiding conductor is formed by the good metal material processing of conductivity, upper end be double-screw bolt for connecting leading electrode, lower end is processed with screw thread for connecting electrode terminal pad.
7. according to the bipolar electrode lightning rod of the lightning protection method based on bipolar electrode described in claim 1 or 2, it is characterized in that, the larger non-needle point structure body of volume of described sparking electrode upper end is formed by machining graphite for " hemisphere " electrode, lower end is provided with electrode slice, electrode slice is connected with discharge tube by screw thread, and the center of " hemisphere " electrode is provided with hole for placing leading electrode and insulator.
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| CN201210229270.0A CN102751661B (en) | 2012-07-04 | 2012-07-04 | Dual-electrode based lightning protection method and lightning rod |
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| CN201210229270.0A CN102751661B (en) | 2012-07-04 | 2012-07-04 | Dual-electrode based lightning protection method and lightning rod |
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| CN102751661B true CN102751661B (en) | 2014-05-21 |
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| CN106329317B (en) * | 2015-06-18 | 2018-06-29 | 王昆生 | Passive compound strong ionization discharge plasma refuses thunder device |
| TWI646744B (en) | 2017-12-05 | 2019-01-01 | 財團法人工業技術研究院 | Lightning protection structure |
| CN109784712B (en) * | 2019-01-09 | 2021-07-06 | 无锡市格林电工装备有限公司 | Lightning protection grounding real-time monitoring and risk prediction system and method based on Internet of things |
| CN111555117A (en) * | 2020-05-19 | 2020-08-18 | 武汉市民奕科技有限公司 | Bipolar optimized lightning rod |
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| CN202906201U (en) * | 2012-07-04 | 2013-04-24 | 株洲普天中普防雷科技有限公司 | Double-electrode lighting rod |
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2012
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Patent Citations (10)
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|---|---|---|---|---|
| US4480146A (en) * | 1982-06-03 | 1984-10-30 | Energie Froide International Sa | Lightning protector assembly |
| CN1090433A (en) * | 1992-10-28 | 1994-08-03 | 赫里塔公司 | Have the lightning rod of utilization along insulator sliding electrical discharge excitation apparatus |
| CN2371701Y (en) * | 1999-05-24 | 2000-03-29 | 奇峰 | Combined arrester |
| CN102522700A (en) * | 2006-08-16 | 2012-06-27 | 郑龙基 | Lightning arrester |
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Address after: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee after: Hunan Pu Pu technology Limited by Share Ltd Address before: 412007 Tianyuan District, Hunan City, small and medium enterprises to promote Park, building A5 Patentee before: Hunan Zhongpu Lightning Co., Ltd. |