CN102287338A - Lightning protection system, component and wind energy power generator blade with lightning protection system - Google Patents
Lightning protection system, component and wind energy power generator blade with lightning protection system Download PDFInfo
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- CN102287338A CN102287338A CN201010216929XA CN201010216929A CN102287338A CN 102287338 A CN102287338 A CN 102287338A CN 201010216929X A CN201010216929X A CN 201010216929XA CN 201010216929 A CN201010216929 A CN 201010216929A CN 102287338 A CN102287338 A CN 102287338A
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- lightning
- lightning protection
- choke
- discharger
- protection system
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Abstract
The invention provides a lightning protection system, a component and a wind energy power generator blade with the lightning protection system; the wind energy power generator blade comprises a blade body and the lightning protection system; the lightning protection system comprises an arrester, a lightning protection component and a grounding device; the arrester is arranged above the blade body and is used for receiving flash lightning; the lightning protection component is connected between the arrester and the grounding device; and the grounding device is connected with the ground. The lightning protection component comprises a connector, a discharger and a choke, wherein the connector is connected between the arrester and the discharger; the discharger is parallelly connected with the choke between the connector and the grounding device, and is used for discharging; the choke is used for controlling the current when the discharger discharges; and the choke comprises an inductor which is parallelly connected with the discharger. The discharger comprises at least four discharge tubes and two connection plates; and the discharge tubes are arranged between the two connection plates. The lightning protection system can avoid the blade against lightning strike, the lightning strike is led to the arrester, and then the lightning electromagnetic pulse is weakened through the lightning protection component, so that the wave-front steepness of lightning current is reduced.
Description
Technical field
The present invention relates to a kind of lightning arrester, relate in particular to a kind of lightning protection system, lightning-arrest assembly and have the wind-driven generator blade of this lightning protection system.
Background technique
Lightning arrester is widely used, such as all kinds of wind power plants and be applied to lightning conductor on a lot of buildings.
All there is a defective in these lightning arresters, when connecing sudden strain of a muscle, because instantaneous voltage is too high, make the transient current of electrical discharger excessive, simultaneously also can produce bigger Lightning Electromagnetic Pulse, so not only can want, also can be owing to bigger Lightning Electromagnetic Pulse can have influence on a lot of proper functioning electromagnetic signals, TV signal etc. for example.
In addition, though wind power plant much all is equipped with lightning arrester, its blade still is subjected to the infringement of thunder and lightning easily.
Therefore, provide a kind of lightning arrester and a kind of blade of wind-driven generator to be necessity in fact with lightning-arrest function with chokes function.
Summary of the invention
Based on the deficiencies in the prior art, one of purpose of the present invention is to provide a kind of lightning protection system with chokes function, can control the electric current that sparks of electrical discharger, weakens Lightning Electromagnetic Pulse.
Two of purpose of the present invention is to provide a kind of lightning-arrest assembly with chokes function, can control the electric current that sparks of electrical discharger, weakens Lightning Electromagnetic Pulse.
Three of purpose of the present invention is to provide a kind of wind-driven generator blade, can effectively avoid suffering the infringement of thunder and lightning, has lightning-arrest function.
For one of achieving the above object, the invention provides a kind of lightning protection system with chokes function, it comprises: arrester is used to connect the sudden strain of a muscle thunder and lightning; Connector, it is connected between arrester and the electrical discharger; Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge; Choke, the electric current when being used to control the electrical discharger discharge; Earthed system, it links to each other with ground.
For achieve the above object two, the invention provides a kind of lightning-arrest assembly with chokes function, it comprises: connector, it is connected in to connect and dodges between parts and the electrical discharger; Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge; Choke, the electric current when being used to control the electrical discharger discharge.
For achieve the above object three, the invention provides a kind of wind-driven generator blade, it comprises: blade body; Arrester, it is installed on the blade body top, is used to connect the sudden strain of a muscle thunder and lightning; Connector, it is connected between arrester and the electrical discharger; Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge; Choke, the electric current when being used to control the electrical discharger discharge; Earthed system, it links to each other with ground.
Compared with prior art, lightning protection system of the present invention and assembly utilization are arranged in parallel choke and electrical discharger between connector and earthed system, are used to control the immediate current of electrical discharger, can greatly weaken Lightning Electromagnetic Pulse.A kind of wind-driven generator blade of the present invention in addition, because arrester is positioned at the top of blade body, its effect is to utilize its prominent position that exceeds protected object that thunder and lightning is guided into self, accepts the direct lightning strike discharge, therefore can avoid blade to be struck by lightning.Thunder and lightning is introduced to arrester, weakens Lightning Electromagnetic Pulse by lightning-arrest assembly then, cuts down the steepness of wave edge of lightning current.
As a kind of lightning protection system of the present invention, lightning-arrest assembly and have the improvement of the wind-driven generator blade of this lightning protection system, described choke comprises the inductance in parallel with electrical discharger.Because the resistance of this inductance is significantly smaller than the resistance of electrical discharger, make the most of electric current of thunder and lightning pass through inductance, the electric energy that inductance stores produces back-pressure and by the electrical discharger discharge, can make electrical discharger connect the sudden strain of a muscle immediate current like this and reduce greatly, thereby the Lightning Electromagnetic Pulse of generation is weakened greatly.Described choke comprises that also an end links to each other with inductance, the choke ground wire of the other end ground connection.
As a kind of lightning protection system of the present invention, lightning-arrest assembly and have the improvement of the wind-driven generator blade of this lightning protection system, described electrical discharger comprises at least four electric discharge lamps and two lands, and described electric discharge lamp is arranged between two lands.Described electrical discharger comprises that also an end links to each other with electric discharge lamp, the electrical discharger resonance grounding line of the other end ground connection.
Description of drawings
Fig. 1 is a kind of wind-driven generator blade of the present invention structural representation in a preferred embodiment;
Fig. 2 is a kind of lightning-arrest assembly of the present invention structural representation in a preferred embodiment;
Fig. 3 is an electrical discharger of the present invention structural representation in a preferred embodiment;
Embodiment
A kind of wind-driven generator blade provided by the invention and a kind of lightning protection system and assembly, this assembly and system have the chokes function, can be applied to the thunder resisting equipment of all kinds of wind-driven generators, also can be applied on the thunder resisting equipments such as all kinds of lightning conductor.Below describe the specific embodiment of a kind of lightning protection system of the present invention and assembly with reference to the accompanying drawings.
With reference to shown in Figure 1, this wind-driven generator blade comprises blade body 40, lightning protection system.Described lightning protection system comprises arrester 10, and the top that it is installed on blade body 40 is used to connect the sudden strain of a muscle thunder and lightning; Lightning-arrest assembly 20, it is connected between arrester 10 and the earthed system 30; Earthed system 30, it links to each other with ground.Because arrester 10 is positioned at the top of blade body 40, its effect is to utilize its prominent position that exceeds protected object that thunder and lightning is guided into self, accepts the direct lightning strike discharge, therefore can avoid blade to be struck by lightning.Thunder and lightning is introduced to arrester, weakens Lightning Electromagnetic Pulse by lightning-arrest assembly then, cuts down the steepness of wave edge of lightning current, and same blade body self also can consume a part of lightning current.
With reference to figure 2, described blade body 40 forms the inner chamber of a hollow, and this thunder and lightning assembly 20 is arranged at blade body 40 inner chamber kinds.Described lightning-arrest assembly 20 comprises: connector 21, and it is connected between arrester 10 and the electrical discharger 22; Electrical discharger 22, itself and choke 23 are connected between connector 10 and the earthed system 30, are used for discharge; Choke 23, it is in parallel with electrical discharger 22, the electric current when being used to control electrical discharger 22 discharges.
Described choke 23 comprises the inductance 231 in parallel with electrical discharger 22, and described choke 23 comprises that also an end links to each other with inductance 231, the choke ground wire 232 of another termination earthed system 30.With reference to figure 3, described electrical discharger 22 comprises at least four electric discharge lamps 221, and two lands 222, and these four electric discharge lamps 221 are arranged between two lands 222, are connected and fixed by land 222.Described electrical discharger 22 comprises that also an end links to each other with electric discharge lamp 221, the electrical discharger resonance grounding line 223 of another termination earthed system 30.
Arrester 10 connects sudden strain of a muscle, makes lightning current reach the land 222 of choke 23 and electrical discharger 22 by connector 21.Because the resistance of inductance 231 is significantly smaller than the resistance of electrical discharger 22, the most of electric current of lightning current is released by inductance 231.When lightning current is released by choke 23, at the of the same name end of choke 23 with electrical discharger 22, can produce higher back-pressure guiding discharge device 22 discharges, lightning current about 90% is released by electrical discharger 22, can cut down the steepness of wave edge of lightning current like this, and, can cut down the generation of Lightning Electromagnetic Pulse greatly because the inductance 231 of choke 23 has bigger induction reactance.
Certainly, described lightning protection system and lightning-arrest assembly can also be applied to other buildings or other lightning arresters, and these those of ordinary skill in the art can realize according to the foregoing description fully, have just given unnecessary details no longer one by one here.
Going up disclosed only is preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (10)
1. wind-driven generator blade is characterized in that comprising:
Blade body;
Arrester, it is installed on the blade body top, is used to connect the sudden strain of a muscle thunder and lightning;
Connector, it is connected between arrester and the electrical discharger;
Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge;
Electrical discharger, the electric current when being used to control the electrical discharger discharge;
Earthed system, it links to each other with ground.
2. the blade of a kind of wind-driven generator as claimed in claim 1 is characterized in that described choke comprises the inductance in parallel with electrical discharger.
3. the blade of a kind of wind-driven generator as claimed in claim 1 is characterized in that described connector, electrical discharger, electrical discharger are arranged at the blade body inner chamber.
4. lightning protection system is characterized in that comprising:
Arrester is used to connect the sudden strain of a muscle thunder and lightning;
Connector, it is connected between arrester and the electrical discharger;
Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge;
Choke, the electric current when being used to control the electrical discharger discharge;
Earthed system, it links to each other with ground.
5. a kind of lightning protection system as claimed in claim 4 is characterized in that described choke comprises the inductance in parallel with electrical discharger.
6. a kind of lightning protection system as claimed in claim 5 is characterized in that described choke comprises that also an end links to each other with inductance, the choke ground wire that the other end is connected with earthed system.
7. a kind of lightning protection system as claimed in claim 4 is characterized in that described electrical discharger comprises at least four electric discharge lamps and two lands, and described electric discharge lamp is arranged between two lands.
8. lightning-arrest assembly is characterized in that comprising:
Connector, it is connected in to connect and dodges between parts and the electrical discharger;
Electrical discharger, itself and choke are connected between connector and the earthed system, are used for discharge;
Choke, the electric current when being used to control the electrical discharger discharge.
9. a kind of lightning-arrest assembly as claimed in claim 8 is characterized in that described choke comprises the inductance in parallel with electrical discharger.
10. a kind of lightning-arrest assembly as claimed in claim 9 is characterized in that described choke comprises that also an end links to each other with inductance, the choke ground wire that the other end is connected with earthed system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216929.XA CN102287338B (en) | 2010-06-18 | 2010-06-18 | Lightning protection system, component and wind energy power generator blade with lightning protection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010216929.XA CN102287338B (en) | 2010-06-18 | 2010-06-18 | Lightning protection system, component and wind energy power generator blade with lightning protection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102287338A true CN102287338A (en) | 2011-12-21 |
| CN102287338B CN102287338B (en) | 2015-05-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010216929.XA Active CN102287338B (en) | 2010-06-18 | 2010-06-18 | Lightning protection system, component and wind energy power generator blade with lightning protection system |
Country Status (1)
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| CN (1) | CN102287338B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI712736B (en) * | 2019-05-31 | 2020-12-11 | 潤弘精密工程事業股份有限公司 | Wind power generation system |
| CN115788801A (en) * | 2022-12-19 | 2023-03-14 | 南京信息工程大学 | Lightning protection equipment for fan blades of wind turbine generator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783629A1 (en) * | 1994-09-07 | 1997-07-16 | Bonus Energy A/S | Lightning arrester for windmill blades |
| CA2408295C (en) * | 2000-05-06 | 2004-01-27 | Aloys Wobben | Wind power installation |
| JP2008128139A (en) * | 2006-11-22 | 2008-06-05 | Toko Electric Corp | Lightening current supervisory control system |
| CN101336342A (en) * | 2005-12-02 | 2008-12-31 | Lm玻璃纤维制品有限公司 | Lightning protection system for a wind turbine blade |
| CN101981773A (en) * | 2008-02-29 | 2011-02-23 | 维斯塔斯风力系统集团公司 | Wind turbine with low electromagnetic radiation |
-
2010
- 2010-06-18 CN CN201010216929.XA patent/CN102287338B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0783629A1 (en) * | 1994-09-07 | 1997-07-16 | Bonus Energy A/S | Lightning arrester for windmill blades |
| CA2408295C (en) * | 2000-05-06 | 2004-01-27 | Aloys Wobben | Wind power installation |
| CN101336342A (en) * | 2005-12-02 | 2008-12-31 | Lm玻璃纤维制品有限公司 | Lightning protection system for a wind turbine blade |
| JP2008128139A (en) * | 2006-11-22 | 2008-06-05 | Toko Electric Corp | Lightening current supervisory control system |
| CN101981773A (en) * | 2008-02-29 | 2011-02-23 | 维斯塔斯风力系统集团公司 | Wind turbine with low electromagnetic radiation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI712736B (en) * | 2019-05-31 | 2020-12-11 | 潤弘精密工程事業股份有限公司 | Wind power generation system |
| CN115788801A (en) * | 2022-12-19 | 2023-03-14 | 南京信息工程大学 | Lightning protection equipment for fan blades of wind turbine generator |
| CN115788801B (en) * | 2022-12-19 | 2023-08-18 | 南京信息工程大学 | Wind turbine blade lightning protection equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102287338B (en) | 2015-05-27 |
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Address after: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: 830026 No. 107, Shanghai Road, Urumqi economic and Technological Development Zone, the Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |
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