CN113294303B - Lightning protection system of wind generating set - Google Patents
Lightning protection system of wind generating set Download PDFInfo
- Publication number
- CN113294303B CN113294303B CN202110419192.XA CN202110419192A CN113294303B CN 113294303 B CN113294303 B CN 113294303B CN 202110419192 A CN202110419192 A CN 202110419192A CN 113294303 B CN113294303 B CN 113294303B
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- Prior art keywords
- lightning
- lightning protection
- generating set
- wind generating
- maintenance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/30—Lightning protection
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/50—Maintenance or repair
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/80—Arrangement of components within nacelles or towers
- F03D80/82—Arrangement of components within nacelles or towers of electrical components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention provides a lightning protection system of a wind generating set, and relates to the field of lightning protection of wind generating sets. The lightning protection system of the wind generating set comprises a tower barrel, wherein a generator room is arranged at the top of the tower barrel, a lightning protection base is arranged at the top of the generator room, and a generating set is fixedly connected to the bottom in the generator room. The lightning protection method has the advantages that thunder is recorded through the sound sensing element, when the lightning rod is pressed down by lightning and thunder occurs in a time period around the pressing down work, the lightning rod is marked as being struck by lightning, when the number of times of lightning striking reaches an early warning value, a maintenance signal is sent out, and when the client receives the maintenance signal, the maintenance time is determined, so that maintenance resources are reduced; meanwhile, a maintenance period is set, when the lightning protection system of the wind generating set is maintained and detected regularly, the detection signal can be transmitted through the processing element, the signal can be received by the processing element, and the recorded data can be sent to the client, so that the service life of the wind generating set is ensured, the maintenance work is more accurate, and the excessive maintenance is avoided.
Description
Technical Field
The invention relates to the technical field of lightning protection of wind generating sets, in particular to a lightning protection system of a wind generating set.
Background
The wind driven generator is an electric power device which can convert wind energy into mechanical energy, the mechanical energy drives a rotor to rotate and finally outputs alternating current, the wind driven generator is installed outdoors, the actual height is higher, meanwhile, the wind driven generator is installed on a mountain top or a plain area, a lightning stroke phenomenon easily occurs in thunderstorm weather, a lightning protection grounding device is needed to be used for protecting the wind driven generator, the lightning protection grounding device usually comprises a lightning rod, a down lead and a grounding device, the lightning rod is conducted into the grounding device through the down lead after absorbing lightning current, and a grounding body in the grounding device is a conductor which is buried in soil and is directly contacted with the ground.
In the long-term use process of a lightning rod in the existing general lightning protection grounding device, due to the fact that the lightning strike times are not fixed and the lightning strike times in different areas are not identical in different time periods, the lightning rod is lack of maintenance or excessive maintenance causes the service life of the lightning rod to be short or resources are wasted, and therefore the lightning protection system of the wind generating set is provided.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a lightning protection system of a wind generating set, which solves the problems of low service life of a lightning rod or resource waste caused by lack of or excessive maintenance of the lightning rod.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a wind generating set lightning protection system, includes a tower section of thick bamboo, tower section of thick bamboo top is provided with the generator compartment, generator compartment top is provided with lightning-arrest base, bottom fixedly connected with generating set in the generator compartment, and the generating set input runs through the generator compartment and is connected with the fan blade, be provided with processing element in the generator compartment, the lateral wall that generating set was kept away from in the generator compartment is provided with sound sensing element.
Preferably, the lightning protection base comprises a fixed plate, the fixed plate is fixedly connected with the bottom in the lightning protection base, a spring is arranged at the top of the fixed plate and is in compression arrangement, a sliding plate is arranged at the top of the spring and is slidably connected with the inner side wall of the lightning protection base, a lightning rod is fixedly connected to the center of the top of the sliding plate and penetrates through the lightning protection base, a plurality of drain holes are formed in the inner side wall of the lightning protection base, which is close to the bottom, and a pressure sensing element is arranged at the contact position of the top of the fixed plate and the spring.
Preferably, lightning-arrest base top is provided with sealed awl, and sealed awl includes the lightning rod, sealed awl and lightning-arrest base fixed connection, and sealed awl is the rubber setting.
Preferably, lightning-arrest base bottom is provided with the downlead, the fixed plate bottom is connected with the downlead, and the downlead is located the downlead, the downlead inside wall evenly is provided with a plurality of spacing subassemblies, the downlead is insulating setting with spacing subassembly.
Preferably, the fixed plate, the spring, the sliding plate and the down conductor are in linear communication.
Preferably, the processing component comprises a signal receiving component, a signal transmitting component, a processing component and a storage component, the processing component is connected with the sound sensing component and the pressure sensing component, the sound sensing component records thunder, the processing component records the number of times of thunder c1, the pressure sensing component records the number of times of lightning stroke pressing on the lightning rod d1, the processing component records one lightning stroke as s1 when c1 and d1 occur simultaneously, and when the lightning stroke is sn and n is a set early warning value, the signal transmitting component sends out a maintenance signal.
Preferably, when the wind generating set lightning protection system is subjected to timing maintenance detection, the detection signal is transmitted, the processing element receives the signal and sends the recorded data to the client, and the client determines whether to perform maintenance or not and determines the maintenance time.
The invention provides a lightning protection system of a wind generating set. The method has the following beneficial effects:
the invention provides a lightning protection system of a wind generating set, which is provided with a lightning protection base, wherein a pressure sensing element is arranged at the position of a fixing plate of the lightning protection base and used for recording the pressing down times of a lightning rod under lightning stroke, a sound sensing element is arranged on the side wall of a generator cabin, thunder is recorded through the sound sensing element, when the lightning rod is pressed down under lightning stroke and thunder occurs in the period around the pressing down operation, the lightning rod is marked as one lightning stroke, when the lightning stroke times reach an early warning value, a maintenance signal is sent out, a client receives the maintenance signal, the maintenance time is determined through the lightning stroke, the judgment is accurate, and therefore, the maintenance resources are reduced; meanwhile, a maintenance period is set, when the lightning protection system of the wind generating set is maintained and detected regularly, the processing element can transmit detection signals and receive the signals and send recorded data to the client, a client judges whether to maintain or not and determines maintenance time, the service life of the wind generating set is ensured, maintenance work is more accurate, and excessive maintenance is avoided.
Drawings
FIG. 1 is a schematic structural diagram of a lightning protection system of a wind turbine generator system according to the present invention;
FIG. 2 is a cross-sectional view of a lightning protection system of a wind turbine generator system according to the present invention;
FIG. 3 is a schematic structural view of a lightning protection base of a lightning protection system of a wind turbine generator system according to the present invention;
fig. 4 is a schematic structural view of a down-leading column of a lightning protection system of a wind turbine generator system according to the present invention.
Wherein, 1, a tower tube; 2. a generator compartment; 21. a generator set; 3. a lightning protection base; 31. a fixing plate; 32. a pressure sensing element; 33. a spring; 34. a sliding plate; 35. a lightning rod; 36. sealing the cone; 37. a drain hole; 4. a processing element; 41. a sound sensing element; 5. leading down the column; 51. a limiting component; 52. and guiding the down wire.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example (b):
as shown in fig. 1 to 4, an embodiment of the present invention provides a lightning protection system for a wind generating set, including a tower 1, wherein a generator room 2 is disposed on a top of the tower 1, a lightning protection base 3 is disposed on a top of the generator room 2, a generator set 21 is fixedly connected to a bottom of the generator room 2, an input end of the generator set 21 penetrates through the generator room 2 and is connected with a fan blade, a processing element 4 is disposed in the generator room 2, and a sound sensing element 41 is disposed on a side wall of the generator room 2 away from the generator set 21.
Lightning-arrest base 3 includes fixed plate 31, bottom fixed connection in fixed plate 31 and the lightning-arrest base 3, fixed plate 31 top is provided with spring 33, spring 33 plays the cushioning effect to lightning rod 35, prevent that the rigid lightning strike that receives of lightning rod 35 from causing the potential safety hazard, and spring 33 is the compression setting, spring 33 top is provided with sliding plate 34, sliding plate 34 and 3 inside wall sliding connection of lightning-arrest base, sliding plate 34 top center department fixedly connected with lightning rod 35, and lightning rod 35 runs through lightning-arrest base 3, the inside wall of lightning-arrest base 3 is close to the bottom position and is provided with a plurality of wash ports 37, when the sealed awl 36 at top appears damaging, the inside rainwater that gets into of device, the rainwater flows along wash port 37, prevent the inside ponding that appears of device, fixed plate 31 top and spring 33 contact position are provided with pressure sensing element 32.
The top of lightning protection base 3 is provided with sealed awl 36, and sealed awl 36 includes lightning rod 35, sealed awl 36 and lightning protection base 3 fixed connection, and sealed awl 36 is the rubber setting.
3 bottoms of lightning-arrest base are provided with down-lead post 5, fixed plate 31 bottom is connected with down-lead 52, and down-lead 52 is located down-lead post 5, and the 5 inside walls of down-lead post evenly are provided with a plurality of spacing subassemblies 51, and down-lead post 5 and spacing subassembly 51 are insulating setting, and the down-lead 52 of more traditional insulating parcel simultaneously, we adopt down-lead post 5 to allow down-lead 52 to move about in spacing subassembly 51, prevent that thunder electric shock from wearing down-lead post 5 and appear electric leakage phenomenon.
The fixed plate 31, the spring 33, the slide plate 34 and the down-lead 52 are in linear communication.
The processing component 4 comprises a signal receiving component, a signal transmitting component, a processing component and a storage component, the processing component 4 is connected with the sound sensing component 41 and the pressure sensing component 32, thunder is recorded through the sound sensing component 41, the frequency c1 of the thunder is recorded through the processing component, the number d1 of lightning strikes of the lightning rod 35 is recorded through the pressure sensing component 32, one lightning strike is recorded as s1 by the processing component when c1 and d1 occur simultaneously, and a maintenance signal is sent through the signal transmitting component when n is a set early warning value when the lightning strikes are sn.
When the lightning protection system of the wind generating set is maintained and detected regularly, the processing element 4 can transmit detection signals and receive the signals and send recorded data to a client, and a client judges whether to maintain and determines maintenance time.
The lightning protection system of the wind generating set is provided with a lightning protection base 3, a pressure sensing element 32 is arranged at the position of a fixing plate 31 of the lightning protection base 3 and used for recording the pressing frequency of a lightning rod 35 under lightning stroke, a sound sensing element 41 is arranged on the side wall of a generator cabin 2, thunder is recorded through the sound sensing element 41, when the lightning rod 35 is pressed under the lightning stroke and the thunder occurs in the period around the pressing operation, the lightning rod is marked as one lightning stroke, when the lightning stroke frequency reaches an early warning value, a maintenance signal is sent out, a client receives the maintenance signal, the maintenance time is determined through the lightning stroke, the judgment is accurate, and therefore the maintenance resources are reduced; meanwhile, a maintenance period is set, when the lightning protection system of the wind generating set is maintained and detected regularly, the processing element 4 can transmit detection signals and receive the signals and send recorded data to the client, and a client judges whether to maintain or not and determines maintenance time, so that the service life of the wind generating set is ensured, maintenance work is more accurate, and excessive maintenance is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a wind generating set lightning protection system, includes tower section of thick bamboo (1), its characterized in that: a generator room (2) is arranged at the top of the tower barrel (1), a lightning protection base (3) is arranged at the top of the generator room (2), a generator set (21) is fixedly connected to the bottom in the generator room (2), the input end of the generator set (21) penetrates through the generator room (2) to be connected with a fan blade, a processing element (4) is arranged in the generator room (2), and a sound sensing element (41) is arranged on the side wall, far away from the generator set (21), of the generator room (2); the processing element (4) comprises a signal receiving component, a signal transmitting component, a processing component and a storage component, the processing element (4) is connected with the sound sensing element (41) and the pressure sensing element (32), thunder is recorded through the sound sensing element (41), the frequency c1 of the thunder is recorded through the processing component, the frequency d1 of the lightning stroke of the lightning rod (35) is recorded through the pressure sensing element (32), when c1 and d1 occur simultaneously, the processing component records one lightning stroke as s1, when the lightning stroke is sn, n is a set early warning value, a detection signal is sent out through the signal transmitting component, the processing element (4) receives the detection signal and sends the recorded data to a client, whether maintenance is carried out or not is judged by a client, and the determination of the maintenance time is carried out; lightning-arrest base (3) are including fixed plate (31), bottom fixed connection in fixed plate (31) and lightning-arrest base (3), fixed plate (31) top is provided with spring (33), and spring (33) are the compression setting, spring (33) top is provided with sliding plate (34), sliding plate (34) and lightning-arrest base (3) inside wall sliding connection, sliding plate (34) top center department fixedly connected with lightning rod (35), and lightning rod (35) run through lightning-arrest base (3), lightning-arrest base (3) inside wall is close to the bottom position and is provided with a plurality of wash ports (37), fixed plate (31) top and spring (33) contact position are provided with pressure sensing element (32).
2. The lightning protection system of a wind generating set according to claim 1, characterized in that: lightning-arrest base (3) top is provided with sealed awl (36), and sealed awl (36) include lightning rod (35), sealed awl (36) and lightning-arrest base (3) fixed connection, and sealed awl (36) are the rubber setting.
3. The lightning protection system of a wind generating set according to claim 1, characterized in that: the lightning-protection base (3) bottom is provided with down-leading post (5), fixed plate (31) bottom is connected with down-leading line (52), and down-leading line (52) are arranged in down-leading post (5), down-leading post (5) inside wall evenly is provided with a plurality of spacing subassemblies (51), down-leading post (5) and spacing subassembly (51) are insulating setting.
4. The lightning protection system of a wind generating set according to claim 3, characterized in that: the fixed plate (31), the spring (33), the sliding plate (34) and the down conductor (52) are in linear communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419192.XA CN113294303B (en) | 2021-04-19 | 2021-04-19 | Lightning protection system of wind generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110419192.XA CN113294303B (en) | 2021-04-19 | 2021-04-19 | Lightning protection system of wind generating set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113294303A CN113294303A (en) | 2021-08-24 |
| CN113294303B true CN113294303B (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110419192.XA Active CN113294303B (en) | 2021-04-19 | 2021-04-19 | Lightning protection system of wind generating set |
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| CN (1) | CN113294303B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1097732C (en) * | 1996-11-19 | 2003-01-01 | 华为技术有限公司 | Method for testing and evaluating lightning strike and equipment thereof |
| JP2000265938A (en) * | 1999-03-17 | 2000-09-26 | Hitachi Ltd | Thunder protection system of wind power generation |
| CN206655783U (en) * | 2017-03-30 | 2017-11-21 | 天津润和绿能科技有限公司 | A kind of wind-driven generator lightning-protection module |
| CN209805383U (en) * | 2019-05-30 | 2019-12-17 | 广东明鑫机电工程有限公司 | Lightning protection device for 10KV overhead line construction |
| CN110568273B (en) * | 2019-08-02 | 2022-04-15 | 国网浙江省电力有限公司嘉兴供电公司 | Lightning monitoring system and method based on ubiquitous power Internet of things |
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- 2021-04-19 CN CN202110419192.XA patent/CN113294303B/en active Active
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| CN113294303A (en) | 2021-08-24 |
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