CN201044329Y - Double-pole optimizing lightning rod - Google Patents
Double-pole optimizing lightning rod Download PDFInfo
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- CN201044329Y CN201044329Y CNU2007200798055U CN200720079805U CN201044329Y CN 201044329 Y CN201044329 Y CN 201044329Y CN U2007200798055 U CNU2007200798055 U CN U2007200798055U CN 200720079805 U CN200720079805 U CN 200720079805U CN 201044329 Y CN201044329 Y CN 201044329Y
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- discharge
- lightning rod
- bipolar
- conductive support
- inductance coil
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Abstract
The utility model relates to a bipolar optimized lightning conductor which comprises a thunder-drawing grounding device and a corona discharge device, wherein, the thunder-drawing grounding device comprises a conductive supporting body, a needle top fixed on top of the conductive supporting body, and an inductive impedor electrically connected with the conductive supporting body; in the case of the directly hit lightning strike, a discharge path is formed by the needle top, the conductive supporting body, the inductive imdedor, a down lead and an earthing electrode; the corona discharge device comprises an insulating bushing arranged on the conductive supporting body, a discharge plate sleeved on the insulating bushing, and a discharge brush which is arranged under the discharge plate along the outer circumference of the conductive supporting body. When thundercloud appears, corona discharge is generated in advance and strengthened through the discharge plate and the discharge brush, the ascending motion of an ascending precursor can be restrained and weakened, thereby the thunderstroke generation is greatly reduced; even in the case of unavoidable thunderstroke, the front-of-wave di/dt amplitude of lightning current can be obviously decreased, thereby the discharge time is prolonged, and the thunder inductive effect and the earth potential counterattack effect when the lightning current is earthed are reduced.
Description
Technical field
The utility model belongs to lightning rod, particularly a kind of have concurrently the corona discharge function and draw thunder go into ground function lightning rod.
Background technology
Lightning rod is a kind of time-honored lightning arrester, and in order to overcome the deficiency (secondary thunderbolt and earth potential counterattack) that conventional lightning conductor exists, people have proposed many improved plans.Chinese patent ZL200420105299.9 discloses a kind of bipolarity space charge discharge decentralized lightning rod, and this kind lightning rod comprises the current potential relieving apparatus support component that is connected with pedestal and is arranged on current potential relieving apparatus on the current potential relieving apparatus support component.Described current potential relieving apparatus support component comprises strutting piece and discharge brush, and the discharge brush is installed on the outer circumference surface vertical direction of strutting piece; Described current potential relieving apparatus is made up of polymer insulator, connector and dual polarity electrostatic inductor, and polymer insulator, dual polarity electrostatic inductor all are connected on the strutting piece; The top of strutting piece is provided with absorbing component.When thundercloud during near building, produce electric discharge phenomena between dual polarity electrostatic inductor and the discharge brush, electric charge is distributed in the atmosphere, avoid the generation of being struck by lightning; Cutting flashes when resembling (attacking thunderbolt directly) when thundercloud is concentrated especially, taken place, and absorbing component, strutting piece, downlead and grounding electrode form discharge path, lightning current are drawn be lowered to ground.The problem that this kind lightning rod exists is: when inevitably thunderbolt occurring; the wave head di/dt that goes into the ground lightning current is big; around absorbing component and downlead, can produce powerful secondary thunderbolt (lightning induction) and earth potential counterattack effect, and can not effectively play protective effect the electronics inside and outside the building, electric equipment, facility.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of lightning rod of function admirable is provided, this kind lightning rod can not only be by producing and strengthening corona discharge in advance, suppress and weaken upward leader on meet, produce thereby significantly reduce thunderbolt, and when occurring attacking thunderbolt directly, can obviously reduce the amplitude of the wave head di/dt of lightning current, prolong discharge time, the earth potential counterattack effect when reducing lightning induction effect and thunder and lightning inflow place.
The technical solution of the utility model: the ZL200420105299.9 patent is improved, drawn thunder at it and go in the ground path to increase the emotional resistance device,, change the process of releasing of lightning current, prolong discharge time to reduce the amplitude of lightning current wave head di/dt.
Bipolar optimized lightning rod described in the utility model comprises that drawing thunder goes into ground device and corona discharge assembly.Draw thunder and go into that the ground device comprises conductive support, is connected in the pin top at conductive support top, the emotional resistance device that is electrically connected with conductive support; When occurring attacking thunderbolt directly, pin top, conductive support, emotional resistance device, downlead and grounding electrode form discharge path; The emotional resistance device is at least an inductance coil, and conductive support directly is connected with inductance coil or is connected with inductance coil by conducting connecting part; The emotional resistance device is at least two inductance coils, conductive support at least directly is connected or is connected with this inductance coil by conducting connecting part with inductance coil wherein, be provided with discharge device between conductive support and remaining inductance coil, discharge air-gap is arranged between discharge device.Corona discharge assembly comprises the insulating bushing that is installed on the conductive support, is sleeved on the discharging tray on the insulating bushing, the discharge brush that is positioned under the discharging tray and installs along the conductive support periphery; When thundercloud occurred, upper and lower two faces of discharging tray are positively charged and negative electrical charge respectively, and discharge brush is positively charged, can produce and strengthen corona discharge in advance.
In the above-mentioned bipolar optimized lightning rod, discharge device is spherical cylindrical or prismatic, and the width δ of the discharge air-gap between the discharge device is 0＜δ≤1000mm.Be fixed with the conductive supporting plate on the conductive support, the conductive stud that is used for fixing discharge device is installed on the conductive supporting plate.
In the above-mentioned bipolar optimized lightning rod, inductance coil in the shape of a spiral shape on insulation framework.
In the above-mentioned bipolar optimized lightning rod, also comprise a pedestal, an insulation crust, the anti-cover that dodges, conductive support is fixed on the insulation crust by securing member, the emotional resistance device is installed in the insulation crust and with pedestal and is connected, the anti-sudden strain of a muscle covered the upper end that is fixed on insulation crust by securing member, and the insulation crust lower end is fixed on the pedestal.Anti-profile of dodging cover is assembly shape spherical or boss shape or circular cone and round platform.
The utility model is installed on building and the structures; the experimental study statistics shows: the building on skyscraper, the high mountain etc.; the up thunder and lightning that upwards develops accounts for the 70-80% of thunder and lightning sum from bottom to top; bipolar optimized lightning rod described in the utility model has the obvious suppression effect to the upward leader electric current; continue a large amount of corona discharges by its corona discharge assembly and alleviated charge concentration on bipolar optimized lightning rod and building, the structures, building and structures are protected.The operation principle of corona discharge assembly: when normal electronegative thundercloud during near building or structures, electrostatic induction makes pin top, conductive support, discharge brush and building or structures positively charged, and electric field strength is the highest on the top of discharge brush; Electrostatic induction simultaneously makes on the discharging tray that insulate with conductive support, following two faces are positively charged and negative electrical charge respectively, downward face with negative electrical charge the corona discharge of discharge brush is risen in advance and humidification, lasting a large amount of corona discharge has been alleviated the charge concentration on the bipolar optimized lightning rod, make on whole building or the structures with positive charge be distributed in the ambient atmosphere, cumulonimbus and the earth will form dull and stereotyped electric capacity to flat board, and non-tablet is to the tip, thereby greatly reduce electric field strength around the structures, thereby suppress and weaken upward leader on meet, significantly reduce the generation of thunderbolt.
Under the situation that thundercloud is concentrated especially, cutting flashes resembles (attacking thunderbolt directly) if take place, the discharge path that forms by pin top, conductive support, emotional resistance device, downlead and grounding electrode draws thunder and goes into ground, the emotional resistance device changes a lot the process of thunder and lightning inflow place, obviously reduce the amplitude of lightning current wave head di/dt, make lightning current extend to Millisecond from the microsecond level discharge time, weaken effectively and suppress earth potential counterattack and the secondary thunderbolt harm that effect caused.
The utlity model has following beneficial effect:
1, goes into ground and be provided with the emotional resistance device in the device drawing thunder, in the process of releasing that lightning current occurs to change when cutting flashes resembles (attacking thunderbolt directly), reduce the amplitude of lightning current wave head di/dt greatly, prolong discharge time, lightning induction is reduced, weaken and counterattack of inhibition earth potential and the secondary thunderbolt harm that effect caused.
2, when inductance coil is many, discharge air-gap can take place the voltage clamp on the inductance coil under the required voltage of edge flashing at it, and the sparkover that is produced, and has consumption and peptizaiton to the thunder and lightning energy.
3, the choose reasonable of discharge air-gap width between discharge device shape and the discharge device, the performance and the fail safe that help improving lightning rod.
4, corona discharge assembly has improved the discharge dispersion effect of the earth electric charge, suppress and weaken upward leader on meet, except that the situation that thundercloud is concentrated especially, can eliminate the primary condition of the appearance of being struck by lightning, prevent that protected object is struck by lightning.
5, the compound mode of inductance coil and insulation framework, the amplitude of the lightning current wave head di/dt that can stably decay prolongs discharge time, is not subjected to the influence of lightning current size.
6, the emotional resistance device is installed in the insulation crust, can reduce the flank attack phenomenon to the lightning rod peripheral facilities.
7, anti-setting of dodging cover helps reducing the flank attack phenomenon, protection emotional resistance device and discharge device.
8, shell is one, many inductance coils is concentrated be loaded in the shell, not only simplifies the structure, and is convenient to install.
Description of drawings
Fig. 1 is first kind of structural representation of bipolar optimized lightning rod described in the utility model;
Fig. 2 is second kind of structural representation of bipolar optimized lightning rod described in the utility model;
Fig. 3 is the third structural representation of bipolar optimized lightning rod described in the utility model;
Fig. 4 is the 4th a kind of structural representation of bipolar optimized lightning rod described in the utility model;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the electrical schematic diagram of annexation between two inductance coils;
Fig. 7 is the electrical schematic diagram of annexation between many inductance coils;
Fig. 8 is the electrical schematic diagram of annexation between many inductance coils and the discharge device.
Among the figure, 1-pedestal, 2-coil, 3-skeleton, 4-shell, anti-cover, 6-pillar, 7-connector, 8-discharge brush, 9-support bar, 10-discharging tray, 11-lining, 12-pin top, 13-discharge device, 14-conductive supporting plate, 15-insulating case, 16-conductive stud I, the 17-conductive stud II of dodging of 5-.
Embodiment
The structure of the bipolar optimized lightning rod in the present embodiment comprises pedestal 1, draws thunder and go into ground device, corona discharge assembly, insulation crust 4 and the anti-cover 5 that dodges as shown in Figure 1.Drawing thunder goes into the ground device and comprises the conductive support (two ends of connector are threaded with pillar, support bar respectively) that is combined into by pillar 6, connector 7 and support bar 9, pin top 12 and emotional resistance device; Support bar 9 is made by the very strong stainless steel of corrosion resistance, can bear to be not more than the 40m/s Influences on Wind Velocity, and pin top 12 is fixed on the top of support bar 9; The emotional resistance device is an inductance coil 2, shape is on insulation framework 3 in the shape of a spiral, the impedance network that coil forms is a reciprocal network, two rightabout current attenuation coefficients are equal to from top to bottom or from bottom to top, it is a constant, inductance coil 2 adopts the aluminum core line of copper core or equal ampacity to make, and its top layer insulating barrier is withstand voltage high material (a for example rubber), and skeleton 3 adopts the good laminated epoxy glass-cloth of dielectric strength height, intensity and plasticity to make; The upper end lead-out wire of inductance coil 2 directly is connected with the pillar 6 of forming conductive support, and its lower end lead-out wire is fixed on (as shown in Figure 1) on the pedestal 1 by securing member, and connects with the down conductor and the grounding electrode that are connected on the pedestal 1; Pillar 6 is fixed on the insulation crust 4 by securing member, and inductance coil 2 is installed in the insulation crust 4, and anti-profile of dodging cover 5 is spherical, is fixed on the upper end (as shown in Figure 1) of insulation crust 4 by securing member.Corona discharge assembly comprises insulating bushing 11, discharging tray 10 and discharge brush 8; Lining 11 employings are fit to be installed in outdoor, making such as the polymer of durability and good heat resistance such as polytetrafluoroethylene or ABS (acrylonitrile-butadiene-styrene resin) or silicon rubber, discharging tray 10 adopts two groups of copper plates of good conductivity or corrosion resistant plate to be made into the bamboo hat shape, discharge brush 8 twists into spirality by the very strong stainless steel plate holder steel wire of corrosion resistance, lining 11 is installed on the support bar 9 and is positioned under the pin top 12, discharging tray 10 is sleeved on the lining 11, in order to prevent to move about, discharging tray 10 upper and lowers are provided with fixed head, discharge brush 8 is hundreds of, and each discharge brush all is positioned under the discharging tray 10 and is mounted and fixed on the support bar 9 along the vertical direction of support bar 9 peripheries.
When thundercloud occurred, upper and lower two faces of discharging tray 10 are positively charged and negative electrical charge respectively, and discharge brush 8 is positively charged, produced in advance and strengthened corona discharge.Flash when resembling (attacking thunderbolt directly) take place cutting, pin top 12, conductive support (support bar 9, adapter sleeve 7 and pillar 6), inductance coil 2, pedestal 1, downlead and grounding electrode form discharge path and draw thunder and go into ground.
The structure of the bipolar optimized lightning rod in the present embodiment as shown in Figure 2, difference from Example 1 is the assembly shape that anti-profile of dodging cover 5 is circular cone and round platform.
The structure of the bipolar optimized lightning rod in the present embodiment as shown in Figure 3, difference from Example 1 is: 1, conductive support only is made up of support bar 9.2, support bar 9 is connected with the lead-out wire of inductance coil 2 upper ends by the anti-cover that dodges; 3, anti-profile of dodging cover 5 is the boss shape.
The structure of the bipolar optimized lightning rod in the present embodiment such as Fig. 4, Fig. 5, shown in Figure 6, difference from Example 1 is: 1, the emotional resistance device is two inductance coils; Form the pillar 6 of conductive support and inductance coil L wherein
zUpper end lead-out wire L
Z-1Connect; Be welded with conductive supporting plate 14 on the pillar 6 of composition conductive support, cylindric discharge device 13-1 is installed in conductive stud I 16 tops of being fixed in conductive supporting plate 14, cylindric discharge device 13-2,13-3 are installed in identical conductive stud II 17 tops of two root architectures respectively, two double-screw bolt II are fixed on the conductive supporting plate 14 by two insulating cases 15 respectively, discharge air-gap width δ between three cylindric discharge device 13-1,13-2, the 13-3 is 0＜δ≤1000mm, and is selected as required; Cylindric discharge device 13-2 installs double-screw bolt II 17 and inductance coil L by it
fUpper end lead-out wire L
F-1Connect; Inductance coil L
z, inductance coil L
fLower end lead-out wire L
Z-2, L
F-2Be connected with pedestal 1.Pin top 11, conductive support (support bar 9, connector 7 and pillar 6), inductance coil L
z, pedestal 1, downlead and grounding electrode form the main discharge path; Installation double-screw bolt II, the inductance coil L of pin top 11, conductive support (support bar 9, connector 7 and pillar 6), conductive supporting plate 14, conductive stud I 16, discharge device 13-1,13-3,13-2, discharge device 13-2
f, pedestal 1, downlead and grounding electrode form the shunting discharge path.2, two inductance coil L
z, L
fBe contained in the same insulation crust 4.
The profile of the bipolar optimized lightning rod in the present embodiment such as Fig. 1 or Fig. 2 or shown in Figure 3, draw thunder go into ground device the structure difference from Example 4 be that the emotional resistance device is two above inductance coils, between each inductance coil annexation as shown in Figure 7, each inductance coil L
Z1, L
Z2... L
ZnThe lead-out wire of upper end is connected each inductance coil L with conductive support
Z1, L
Z2... L
ZnThe lead-out wire of lower end is connected with pedestal 1, forms many main discharge paths.
The profile of the bipolar optimized lightning rod in the present embodiment such as Fig. 1 or Fig. 2 or shown in Figure 3, draw thunder go into ground device the structure difference from Example 4 be that the emotional resistance device is two above inductance coils, annexation is as shown in Figure 8 between each inductance coil and the discharge device.Therefore can form many main discharge paths, many shunting discharge paths.
Claims (10)
1. bipolar optimized lightning rod, comprise that drawing thunder goes into ground device and corona discharge assembly, draw thunder and go into the pin top (12) that the ground device comprises conductive support and is connected in the conductive support top, corona discharge assembly comprises the insulating bushing (11) that is installed on the conductive support, be sleeved on the discharging tray (10) on the insulating bushing, the discharge brush (8) that is positioned under the discharging tray (10) and installs along the conductive support periphery, it is characterized in that drawing thunder go into ground device also comprise the emotional resistance device, conductive support is electrically connected with the emotional resistance device.
2. bipolar optimized lightning rod according to claim 1 is characterized in that the emotional resistance device is at least an inductance coil, and conductive support directly is connected with inductance coil or is connected with inductance coil by conducting connecting part.
3. bipolar optimized lightning rod according to claim 1, it is characterized in that the emotional resistance device is at least two inductance coils, conductive support at least directly is connected or is connected with this inductance coil by conducting connecting part with inductance coil wherein, be provided with discharge device between conductive support and remaining inductance coil, discharge air-gap is arranged between discharge device.
4. bipolar optimized lightning rod according to claim 3 is characterized in that discharge device is spherical cylindrical or prismatic, and the discharge air-gap width δ between the discharge device is 0＜δ≤1000mm.
5. according to claim 2 or 3 or 4 described bipolar optimized lightning rod, shape is on insulation framework (3) in the shape of a spiral to it is characterized in that described inductance coil (2), and the impedance network that inductance coil forms is to two rightabout current attenuation coefficients are equal from top to bottom or from bottom to top.
6. according to claim 3 or 4 described bipolar optimized lightning rod, it is characterized in that being fixed with on the conductive support conductive supporting plate (14), the conductive stud that is used for fixing discharge device is installed on the conductive supporting plate.
7. according to claim 1 or 2 or 3 or 4 described bipolar optimized lightning rod, it is characterized in that also comprising a pedestal (1), an insulation crust (4), the anti-cover (5) that dodges, conductive support is fixed on the insulation crust (4) by securing member, the emotional resistance device is installed in the insulation crust (4) and with pedestal and is connected, the anti-cover (5) that dodges is fixed on the upper end of insulation crust (4) by securing member, and insulation crust (4) lower end is fixed on the pedestal (1).
8. bipolar optimized lightning rod according to claim 5, it is characterized in that also comprising a pedestal (1), an insulation crust (4), the anti-cover (5) that dodges, conductive support is fixed on the insulation crust (4) by securing member, the emotional resistance device is installed in the insulation crust (4) and with pedestal and is connected, the anti-cover (5) that dodges is fixed on the upper end of insulation crust (4) by securing member, and insulation crust (4) lower end is fixed on the pedestal (1).
9. bipolar optimized lightning rod according to claim 7 is characterized in that anti-profile of dodging cover (5) is assembly shape spherical or boss shape or circular cone and round platform.
10. bipolar optimized lightning rod according to claim 8 is characterized in that anti-profile of dodging cover (5) is assembly shape spherical or boss shape or circular cone and round platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200798055U CN201044329Y (en) | 2007-06-04 | 2007-06-04 | Double-pole optimizing lightning rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200798055U CN201044329Y (en) | 2007-06-04 | 2007-06-04 | Double-pole optimizing lightning rod |
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| Publication Number | Publication Date |
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| CN201044329Y true CN201044329Y (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200798055U Expired - Lifetime CN201044329Y (en) | 2007-06-04 | 2007-06-04 | Double-pole optimizing lightning rod |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064545A (en) * | 2010-12-21 | 2011-05-18 | 四川中光防雷科技有限责任公司 | Vehicular protection device |
| CN102751661A (en) * | 2012-07-04 | 2012-10-24 | 株洲普天中普防雷科技有限公司 | Dual-electrode based lightning protection method and lightning rod |
| CN106654863A (en) * | 2016-12-06 | 2017-05-10 | 合肥俊刚机械科技有限公司 | Lightning rod with low lightning-arresting probability for agricultural protection |
| CN107301910A (en) * | 2017-05-17 | 2017-10-27 | 广西电网有限责任公司电力科学研究院 | A kind of arrester for cutting down lightning current steep wave |
-
2007
- 2007-06-04 CN CNU2007200798055U patent/CN201044329Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064545A (en) * | 2010-12-21 | 2011-05-18 | 四川中光防雷科技有限责任公司 | Vehicular protection device |
| CN102064545B (en) * | 2010-12-21 | 2013-05-15 | 四川中光防雷科技股份有限公司 | Vehicular protection device |
| CN102751661A (en) * | 2012-07-04 | 2012-10-24 | 株洲普天中普防雷科技有限公司 | Dual-electrode based lightning protection method and lightning rod |
| CN102751661B (en) * | 2012-07-04 | 2014-05-21 | 株洲普天中普防雷科技有限公司 | Dual-electrode based lightning protection method and lightning rod |
| CN106654863A (en) * | 2016-12-06 | 2017-05-10 | 合肥俊刚机械科技有限公司 | Lightning rod with low lightning-arresting probability for agricultural protection |
| CN107301910A (en) * | 2017-05-17 | 2017-10-27 | 广西电网有限责任公司电力科学研究院 | A kind of arrester for cutting down lightning current steep wave |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SICHUAN ZHONGGUANG LIGHTNING PROTECTION TECHNOLOGY Free format text: FORMER NAME: ZHONGGUANG LIGHTNING-PROTECTION SCIENCE + TECHNOLOGY CO., LTD., SICHUAN PROV. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Tianyu Chengdu road 611731, Sichuan province high tech Zone West Park No. 19 Patentee after: Sichuan Zhongguang Lightning Protection Technologies Co., Ltd. Address before: Tianyu Chengdu road 611731, Sichuan province high tech Zone West Park No. 19 Patentee before: Zhongguang Lightning-protection Science & Technology Co., Ltd., Sichuan Prov. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20080402 |
|
| CX01 | Expiry of patent term |