CN204258037U - Rotatable lightning rod - Google Patents
Rotatable lightning rod Download PDFInfo
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- CN204258037U CN204258037U CN201420644390.1U CN201420644390U CN204258037U CN 204258037 U CN204258037 U CN 204258037U CN 201420644390 U CN201420644390 U CN 201420644390U CN 204258037 U CN204258037 U CN 204258037U
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- lightning
- arrest
- lightning rod
- rotatable
- rod
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Abstract
The utility model relates to thunder-lightning apparatus field, discloses a kind of rotatable lightning rod.Described rotatable lightning rod, is configured with vertical shaft wind wheel construction, and the tip of lightning rod is moved on a circuit orbit, guides the electric field around circuit orbit to discharge to lightning rod, realizes dynamically lightning-arrest effect.Be compared to fixing arrester device, the protection range of described rotatable lightning rod is larger, and lightning-arrest efficiency is higher, and structure is simple, is easy to realize.
Description
Technical field
The utility model relates to thunder-lightning apparatus field, particularly, relates to a kind of rotatable lightning rod.
Background technology
As modal thunder-lightning equipment, lightning rod a kind ofly to avoid by the device be struck by lightning for the protection of building, tall and big trees etc.Usual lightning rod is arranged on the top of protection, and by lightning conductor ground connection, forms a lightning-arrest loop.When thundercloud discharge is close to ground; ground electric field distorts; by the tip of lightning rod; form the space that internal field concentrates; thus affect the developing direction of lightning leader electric discharge; guide thunder and lightning to discharge to lightning rod, then introduce the earth by the supramaximal current that thunder and lightning causes by earthing mode, thus make protected object exempt from thunderbolt.
Upwards, its guard space is a conical structure to existing lightning rod fixed vertical, and protection range is on the ground a circle.In order to expand the protection range of lightning rod, conventional mode is increased lightning rod or configures many lightning rods, and the former potential safety hazard is large, and there is the waste of a wide range of guard space, and the latter's installation and maintenance cost is higher, lightning-arrest efficiency is low.
For the limitation of above-mentioned current lightning rod, need to provide a kind of novel lightning arrester, effectively can expand lightning arrester protection range on the ground, and improve lightning-arrest efficiency.
Utility model content
For the limitation of above-mentioned current lightning rod, the utility model provides a kind of rotatable lightning rod, effectively can expand the protection range of lightning arrester, and can improve lightning-arrest efficiency, and structure is simple simultaneously, is easy to realize.
The technical solution adopted in the utility model, provides a kind of rotatable lightning rod, it is characterized in that, comprising: insulation base station, is positioned at the rotating base above insulation base station, lightning rod, contact terminal, lightning conductor and vertical shaft wind wheel construction; Described vertical shaft wind wheel construction comprises insulation rotating shaft, and level is arranged on the braced wing in insulation rotating shaft, is arranged at least three blades on braced wing; Described lightning rod comprises the lightning-arrest pointer of lightning-arrest foundation and inclination; Contact terminal is positioned on insulation base station, and contacts with rotating base; One section of lightning conductor connects contact terminal, the other end ground connection of lightning conductor; Insulation rotating shaft inside is set to circular hollow structure, is enclosed within lightning-arrest foundation periphery, and the lower end of insulation rotating shaft and lightning-arrest foundation is connected on rotating base, and the upper end of lightning-arrest foundation connects lightning-arrest pointer.Described rotatable lightning rod, be configured with vertical shaft wind wheel construction, can gather wind wheel drives swivel base to rotate, and then the lightning-arrest pointer of inclination is rotated, the tip of lightning rod is moved on a circuit orbit, guide the electric field around circuit orbit to discharge to lightning rod, realize dynamically lightning-arrest effect.Described rotatable lightning rod not only extends protection range, also improves lightning-arrest efficiency.
Concrete, the axial line angle of described lightning-arrest pointer and rotating base is not less than 25 degree and is not more than 45 degree; The height ratio of described lightning-arrest pointer length and lightning-arrest foundation is not less than 3.Described lightning rod structure can limit a preferably protection range.
Concrete, described vertical shaft wind wheel construction comprises 3 to 8 blades.Described blade is resistance blade or lift force blade.
Concrete, the height of described insulation rotating shaft 6a is not less than 0.5 meter and is not more than the height of lightning-arrest foundation 3a.
To sum up, the rotatable lightning rod provided described in the utility model is provided, is configured with vertical shaft wind wheel construction, the tip of lightning rod is moved on a circuit orbit, guide the electric field around circuit orbit to discharge to lightning rod, realize dynamically lightning-arrest effect.Be compared to fixing arrester device, the protection range of described rotatable lightning rod is larger, and lightning-arrest efficiency is higher, and structure is simple, is easy to realize.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the sectional view of the rotatable lightning rod that the utility model embodiment provides.
Fig. 2 is the vertical view of the rotatable lightning rod that the utility model embodiment provides.
Fig. 3 is the protected effect figure of existing lightning rod and rotatable lightning rod.
In above-mentioned accompanying drawing: the base station 2 that 1, insulate, rotating base 3, lightning rod 3a, lightning-arrest foundation 3b, lightning-arrest pointer 4, contact terminal 5, lightning conductor 6, vertical shaft wind wheel construction 6a, insulation rotating shaft 6b, braced wing 6c, blade.
Embodiment
Hereinafter with reference to accompanying drawing, describe by way of example the rotatable lightning rod of one that the utility model provides in detail.It should be noted that at this, the explanation for these way of example understands the utility model for helping, but does not form restriction of the present utility model.
Various technology described herein may be used for but is not limited to thunder-lightning apparatus field, can also be used for other similar field.
Term "and/or" herein, it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A, individualism B, there are A and B tri-kinds of situations simultaneously, herein term " or/and " be describe another kind of affiliated partner relation, can there are two kinds of relations in expression, such as, A is or/and B, can represent: individualism A, individualism A and B two kinds of situations, in addition, character "/" herein, general expression forward-backward correlation is to liking a kind of "or" relation.
Embodiment one; Fig. 1 shows the sectional view of the rotatable lightning rod that the present embodiment provides; Fig. 2 shows the vertical view of the rotatable lightning rod that the present embodiment provides, and Fig. 3 shows the protected effect figure of existing lightning rod and rotatable lightning rod.Described rotatable lightning rod, is characterized in that, comprising: insulation base station 1, is positioned at the rotating base 2 above insulation base station 1, lightning rod 3, contact terminal 4, lightning conductor 5 and vertical shaft wind wheel construction 6; Described vertical shaft wind wheel construction 6 comprises insulation rotating shaft 6a, and level is arranged on the braced wing 6b on insulation rotating shaft 6a, is arranged at least three blade 6c on braced wing 6b; Described lightning rod 3 comprises the lightning-arrest pointer 3b of lightning-arrest foundation 3a and inclination; Contact terminal 4 is positioned on insulation base station 1, and contacts with rotating base 2; One section of lightning conductor 5 connects contact terminal 4, the other end ground connection of lightning conductor 8; Insulation rotating shaft 6a inside is set to circular hollow structure, is enclosed within lightning-arrest foundation 3a periphery, and the lower end of insulation rotating shaft 6a and lightning-arrest foundation 3a is connected on rotating base 2, and the upper end of lightning-arrest foundation 3a connects lightning-arrest pointer 3b.Lightning rod 3 in described lightning rod structure, rotating base 2, contact terminal 4 and lightning conductor 5 form a lightning-arrest loop, vertical shaft wind wheel construction 6 gathers wind energy, rotating base 2 is driven to rotate, and then the lightning-arrest pointer 3b of inclination is rotated, the tip of lightning rod 3 is moved on a circuit orbit, the electric field around circuit orbit is guided to discharge to lightning rod 3, lightning rod 3 is after reception electric discharge, the electric current produced imports the earth by rotating base 2, contact terminal 4 and lightning conductor 5, realizes dynamically lightning-arrest effect.Described insulation rotating shaft 6a, for isolating lightning-arrest loop and vertical shaft wind wheel construction 6, guarantees that vertical shaft wind wheel construction 6 normally works.As shown in Figure 3; the guard space of existing lightning rod is a conical structure; and the guard space of described rotatable lightning rod is a frustum of a cone body structure; be compared to fixing arrester device; the protection range of described lightning rod structure is larger; lightning-arrest efficiency is higher, and structure is simple, is easy to realize.
Concrete, the axial line angle of described lightning-arrest pointer 3b and rotating base 2 is not less than 25 degree and is not more than 45 degree; The height ratio of described lightning-arrest pointer 3b length and lightning-arrest foundation 3a is not less than 3.Described lightning rod structure can limit a preferably protection range.
The beneficial effect of the described rotatable lightning rod that composition graphs 3 pairs of the present embodiment provide is explained, existing vertical single lightning rod, and the length of lightning rod is h, and corresponding protection radius is on the ground:
r
1=1.5*h*p
In formula, p is terminal height influence coefficient, and when h is not more than 30 meters, p value is 1; When, when h is greater than 30 meters and is not more than 120 meters, p value is
when h is greater than 120 meters, p value is 0.5.
The rotatable lightning rod that the present embodiment provides, the length of lightning-arrest foundation 3a is hx, and the length of lightning-arrest pointer 3b is h-hx, the length h not yet of whole lightning rod 3, and corresponding protection radius is on the ground:
In formula, k is the ratio of lightning-arrest pointer 3b length and lightning-arrest foundation 3a height,
θ is the axial line angle of lightning-arrest pointer 3b and rotating base 2.
Be not more than the situation of 30 meters for h, p value is 1, described rotatable lightning rod protection radius r on the ground
2with the protection radius r on the ground of existing vertical single lightning rod
1ratio λ be:
It can thus be appreciated that, the increase of described angle theta, ratio λ is along with first increases and then decreases; Along with the increase of described ratio k, the non-linear increase of ratio λ.Be not less than 1 degree when described angle theta and be not more than 68 degree, and when described ratio k is not less than 3, ratio λ is greater than 1.As what optimize, in the present embodiment, the axial line angle of described lightning-arrest pointer 3b and rotating base 2 is 35 degree; The height ratio of described lightning-arrest pointer 3b length and lightning-arrest foundation 3a is 9, and the value of ratio λ is 1.18, is compared to existing lightning arrester, and described rotatable lightning rod protection radius on the ground extends 18%, and protection range improves 40%.
Concrete, described vertical shaft wind wheel construction 6 comprises 3 to 8 blade 6c.Described blade 6c is resistance blade or lift force blade.The blade 6c number of described vertical shaft wind wheel construction 6 is very few, collection wind energy is limited, not easily rotate, the number of blade 6c is too much, and wind wheel is overweight also should not be rotated, as what optimize, in the present embodiment, described vertical shaft wind wheel construction 6 comprises 5 blade 6c, and described blade 6c is lift force blade, make part wind through the backward upper flowing of described wind wheel structure 6, reduce wind wheel to the impact on ground.
Concrete, the height of described insulation rotating shaft 6a is not less than 0.5 meter and is not more than the height of lightning-arrest foundation 3a.As what optimize, in the present embodiment, the height of described insulation rotating shaft 6a equals the height of lightning-arrest foundation 3a.
The above-mentioned rotatable lightning rod provided, be configured with vertical shaft wind wheel construction, the tip of lightning rod is moved on a circuit orbit, guides the electric field around circuit orbit to discharge to lightning rod, realize dynamically lightning-arrest effect, simultaneously under thunder and lightning weather, although atmospheric electric field change is complicated, because wind speed is accelerated, the rotary speed of lightning rod is also accelerated, the electric field around circuit orbit can be guided timely to discharge to lightning rod, lightning-arrest better effects if.Be compared to fixing arrester device, the protection range of described rotatable lightning rod is larger, and lightning-arrest efficiency is higher, and structure is simple, is easy to realize.
As mentioned above, the utility model can be realized preferably.For a person skilled in the art, according to instruction of the present utility model, designing multi-form rotatable lightning rod does not need performing creative labour.When not departing from principle of the present utility model and spirit, these embodiments being changed, revising, replace, integrate and modification still falls in protection range of the present utility model.
Claims (5)
1. a rotatable lightning rod, is characterized in that, comprising: insulation base station (1), is positioned at the rotating base (2) of insulation base station (1) top, lightning rod (3), contact terminal (4), lightning conductor (5) and vertical shaft wind wheel construction (6);
Described vertical shaft wind wheel construction (6) comprises insulation rotating shaft (6a), and level is arranged on the braced wing (6b) in insulation rotating shaft (6a), is arranged at least three blades (6c) on braced wing (6b);
The lightning-arrest pointer (3b) that described lightning rod (3) comprises lightning-arrest foundation (3a) and tilts;
Contact terminal (4) is positioned in insulation base station (1), and contacts with rotating base (2);
One section of lightning conductor (5) connects contact terminal (4), the other end ground connection of lightning conductor (8);
Insulation rotating shaft (6a) inside is set to circular hollow structure, is enclosed within lightning-arrest foundation (3a) periphery, and the lower end of insulation rotating shaft (6a) and lightning-arrest foundation (3a) is connected on rotating base (2), and the upper end of lightning-arrest foundation (3a) connects lightning-arrest pointer (3b).
2. rotatable lightning rod as claimed in claim 1, is characterized in that, comprising:
Described lightning-arrest pointer (3b) is not less than 25 degree with the axial line angle of rotating base (2) and is not more than 45 degree;
The height ratio of described lightning-arrest pointer (3b) length and lightning-arrest foundation (3a) is not less than 3.
3. rotatable lightning rod as claimed in claim 1, is characterized in that, comprising:
Described vertical shaft wind wheel construction (6) comprises 3 to 8 blades (6c).
4. rotatable lightning rod as claimed in claim 1, is characterized in that, comprising:
Described blade (6c) is resistance blade or lift force blade.
5. rotatable lightning rod as claimed in claim 1, is characterized in that, comprising:
The height of described insulation rotating shaft (6a) is not less than 0.5 meter and is not more than the height of lightning-arrest foundation (3a).
Priority Applications (1)
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CN201420644390.1U CN204258037U (en) | 2014-10-30 | 2014-10-30 | Rotatable lightning rod |
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CN201420644390.1U CN204258037U (en) | 2014-10-30 | 2014-10-30 | Rotatable lightning rod |
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CN204258037U true CN204258037U (en) | 2015-04-08 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104466686A (en) * | 2014-10-30 | 2015-03-25 | 成都峰达科技有限公司 | Lightning shielding structure achieving automatic rotation |
CN106571584A (en) * | 2016-10-22 | 2017-04-19 | 钟贵洪 | Automatic rotation lightning rod |
CN108457814A (en) * | 2018-02-05 | 2018-08-28 | 宁夏中科天际防雷研究院有限公司 | A kind of autonomous rotation lightning protection electric installation |
CN109937298A (en) * | 2016-11-04 | 2019-06-25 | 西门子歌美飒可再生能源公司 | Lightning protection system for rotor blades with winglets |
-
2014
- 2014-10-30 CN CN201420644390.1U patent/CN204258037U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104466686A (en) * | 2014-10-30 | 2015-03-25 | 成都峰达科技有限公司 | Lightning shielding structure achieving automatic rotation |
CN106571584A (en) * | 2016-10-22 | 2017-04-19 | 钟贵洪 | Automatic rotation lightning rod |
CN109937298A (en) * | 2016-11-04 | 2019-06-25 | 西门子歌美飒可再生能源公司 | Lightning protection system for rotor blades with winglets |
US10907619B2 (en) | 2016-11-04 | 2021-02-02 | Siemens Gamesa Renewable Energy A/S | Lightning protection system for a rotor blade with a winglet |
CN108457814A (en) * | 2018-02-05 | 2018-08-28 | 宁夏中科天际防雷研究院有限公司 | A kind of autonomous rotation lightning protection electric installation |
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Granted publication date: 20150408 Termination date: 20151030 |
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EXPY | Termination of patent right or utility model |