CN115506976A - Lightning protection device and wind turbine generator system - Google Patents
Lightning protection device and wind turbine generator system Download PDFInfo
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- CN115506976A CN115506976A CN202210910460.2A CN202210910460A CN115506976A CN 115506976 A CN115506976 A CN 115506976A CN 202210910460 A CN202210910460 A CN 202210910460A CN 115506976 A CN115506976 A CN 115506976A
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- lightning protection
- rod
- fixedly arranged
- carbon brush
- protection device
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/28—Plant or installations without electricity supply, e.g. using electrets
- B03C3/30—Plant or installations without electricity supply, e.g. using electrets in which electrostatic charge is generated by passage of the gases, i.e. tribo-electricity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
- B03C3/88—Cleaning-out collected particles
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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
- F03D80/55—Cleaning
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/18—Contacts for co-operation with commutator or slip-ring, e.g. contact brush
- H01R39/26—Solid sliding contacts, e.g. carbon brush
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T19/00—Devices providing for corona discharge
- H01T19/02—Corona rings
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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)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Plasma & Fusion (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The invention provides a lightning protection device, which comprises a lightning protection ring sleeved on a blade and a conducting rod fixed on a hub, wherein the end part of the conducting rod is fixedly provided with a lightning protection carbon brush, and the lightning protection carbon brush is in sliding contact with the lightning protection ring; a disc is fixedly arranged at the end part of the transmission rod, a plurality of trigger devices are fixedly arranged on the disc, the trigger devices can trigger a motor starting switch, and the motor starting switch is in signal connection with a time delay relay; the bottom of the lightning protection carbon brush is provided with an upper friction rod and a lower friction rod which can be driven to rotate, and an elastic poking sheet is fixedly arranged on the clamping plate. The invention provides a lightning protection device and a wind turbine generator, which can automatically clean carbon powder generated by abrasion of a lightning protection carbon brush in the use process, avoid short circuit damage of electronic equipment, even equipment burnout and abrasion of mechanical parts caused by the carbon powder, and have more centralized functions and safer use.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a lightning protection device and a wind turbine generator.
Background
As is well known, wind power generators are installed in coastal, plain or hilly areas with abundant wind energy resources, the height of the wind blade can reach more than one hundred meters, and in these areas, the wind power generator set belongs to a particularly high and prominent object, so that the wind power generator or the wind power generator set is easy to be struck by lightning. The great energy released by lightning can cause the damage of blades and bearings of a wind generating set, or the breakdown of an insulating part of a generator, or the burning of control components and parts, and the like. Once a lightning strike occurs, a significant expense is incurred in repairing and replacing damaged components of the wind turbine generator system. Therefore, the lightning damage is one of the serious problems threatening the safe operation of the wind generating set, and the effective protection of the lightning protection device of the direct-drive wind generating set is also a problem which is currently concerned.
In the prior art, a lightning protection device for a blade of an offshore wind turbine generator set with the publication number of "CN103527421B" comprises a lightning protection ring fixed on the blade, a lightning protection device fixing support is arranged on a hub of the wind turbine generator set, an elastic sheet is arranged at the other end of the fixing support, and a lightning protection carbon brush in contact with the lightning protection ring is arranged at the other end of the elastic sheet; the shell fragment includes the first connecting portion of being connected with the fixed bolster, the second connecting portion of being connected with the lightning protection carbon brush to and the middle slanted bar of connecting first connecting portion and second connecting portion, first connecting portion, second connecting portion and middle slanted bar be a thin slice, this offshore wind generating set's blade lightning protection device's simple structure, lightning protection is effectual, simple to operate, the toughness of carbon brush shell fragment is big, is difficult for droing, can conduct 200KA lightning current, stand wear and tear cycle length is long, anti ocean salt fog corrosion problem guarantees offshore wind generating set's safety.
However, the method still has the obvious defects in the using process: when the lightning protection carbon brush in the device slides along the lightning protection ring, fine carbon powder generated after the carbon brush is abraded can enter electronic and mechanical parts inside a hub and a blade along with the rotation of a wind wheel, so that short circuit damage of electronic equipment, even equipment burnout and abrasion of the mechanical parts are caused, potential safety hazards exist, and the device can not effectively solve the problem.
Disclosure of Invention
The invention aims to provide a lightning protection device and a wind turbine generator, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a lightning protection device comprises a lightning protection ring sleeved on a blade and a conduction rod fixed on a hub, wherein one side, close to the lightning protection ring, of the conduction rod is provided with a groove, a conduction spring is connected and arranged in the groove, the end part of the conduction spring is fixedly provided with the conduction rod, the end part of the conduction rod is fixedly provided with a lightning protection carbon brush, and the lightning protection carbon brush is in sliding contact with the lightning protection ring;
a first piston tube is arranged between the conducting rod and the lightning protection carbon brush, a second piston tube is communicated with and arranged on the first piston tube, a first piston plate is movably arranged in the first piston tube, an extension rod is fixedly arranged on the first piston plate, a push plate is fixedly arranged on the extension rod, a positioning block is fixedly arranged on the outer wall of the first piston tube, a connecting spring is connected and arranged between the push plate and the positioning block, a second piston plate is movably arranged in the second piston tube, a rack is fixedly arranged on the second piston plate, a gear is meshed with the rack, a transmission rod is fixedly arranged at the center of the gear in a penetrating mode, a disc is fixedly arranged at the end of the transmission rod, a plurality of trigger devices are fixedly arranged on the disc and can trigger a motor starting switch, and the motor starting switch is connected with a delay relay signal;
the bottom of lightning protection carbon brush is provided with can be driven rotatory last friction lever and lower friction lever, the outside of going up the friction lever is provided with the electrostatic absorption pad, the outside interval of friction lever is provided with a plurality of friction strips and brush strip down, the below of friction lever is provided with stores the box down, the fixed action bars that is provided with on the back inner wall of storing the box, set up the mounting groove in the action bars, there is the screens board through reset spring coupling in the mounting groove, the fixed elasticity plectrum that is provided with on the screens board, the outside contactless of action bars is provided with first guide board and second guide board, the below contactless of action bars is provided with the kuppe, the below contactless of kuppe is provided with first anti-reverse board and the anti-reverse board of second.
Preferably, the fixed cover in the outside of conduction pole is equipped with the protection casing, the fixed elastic ring pad that is provided with in one side that the protection casing is close to the lightning protection ring, the fixed wear pad that is provided with in the outside of elastic ring pad, just the wear pad activity is pasted and is established in the outside of lightning protection ring.
Preferably, a first blocking block is fixedly arranged on the inner wall of the outlet end, close to the lightning protection carbon brush, of the first piston tube, and a second blocking block is fixedly arranged on the inner wall of the outlet end, far away from the first piston tube, of the second piston tube.
Preferably, the triggering device comprises an installation rod, a clamping groove is formed in the installation rod, a supporting rod is connected to the clamping groove through a compression spring, and a trigger ball is fixedly arranged at the end of the supporting rod.
Preferably, the clamping groove is communicated with an expansion groove, a protruding clamping block is fixedly arranged on the outer side of the supporting rod, and the protruding clamping block is located in the expansion groove.
Preferably, one end of the transmission rod, which is far away from the disc, is arranged in a first bearing seat, and the first bearing seat is fixed on the inner side wall of the protective cover.
Preferably, the bottom of conducting rod is fixed and is provided with the driving lever, one side that conducting rod is close to the lightning protection carbon brush is fixed and is provided with L type backup pad, the fixed siren that is provided with in the L type backup pad.
Preferably, the embedded rotating electrical machines that is provided with in the inner wall of protection casing, the fixed first pivot that is provided with of output of rotating electrical machines, the end fixing of first pivot is provided with down the friction lever, fixed cover is equipped with first drive wheel in the first pivot, first drive wheel meshes with the second drive wheel mutually, the fixed second pivot that runs through in center department of second drive wheel, the end fixing of second pivot sets up the center department at last friction lever.
Preferably, one end of the second rotating shaft, which is far away from the upper friction rod, is arranged in a second bearing seat, and the second bearing seat is embedded in a side wall of the protective cover.
A wind turbine generator set comprises the lightning protection device.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the groove is formed in one side of the conduction rod, which is close to the lightning protection ring, the conduction spring is connected and arranged in the groove, the conduction rod is fixedly arranged at the end part of the conduction spring, the lightning protection carbon brush is fixedly arranged at the end part of the conduction rod, and the lightning protection carbon brush is in sliding contact with the lightning protection ring, so that the lightning protection carbon brush can be continuously pushed outwards under the action of the conduction spring even if the lightning protection carbon brush is worn in use, and further, the good contact state of the lightning protection carbon brush and the lightning protection ring is kept, and the effectiveness of the lightning protection device can be stably kept for a long time;
2. the lightning protection carbon brush is provided with the upper friction rod and the lower friction rod which can be driven to rotate, and the upper friction rod and the lower friction rod can rotate relatively, so that the upper friction rod is subjected to static electricity after friction, carbon powder generated by abrasion of the lightning protection carbon brush in the use process can be adsorbed in time, short-circuit damage of electronic equipment, even equipment burnout and abrasion of mechanical parts caused by the carbon powder scattered in various positions in the wind generating set are avoided, and the lightning protection carbon brush is safer to use;
3. when the upper friction rod and the lower friction rod rotate relatively, the brush strips on the surface of the lower friction rod can sweep away the carbon powder adsorbed on the surface of the upper friction rod, so that the upper friction rod keeps a good electrostatic adsorption state, and the phenomenon that the adsorption effect is reduced because the upper friction rod is covered with the carbon powder after long-term use is avoided;
4. according to the invention, only when the lightning protection carbon brush is worn, namely carbon powder is generated, the motor starting switch can quantitatively start the rotating motor, so that the upper friction rod and the lower friction rod generate relative motion to generate static electricity to adsorb the carbon powder, and the power equipment is automatically closed after being started for a period of time through the assistance of the delay relay, thereby effectively avoiding the consumption of electric energy and achieving the effect of energy conservation;
5. the storage box for storing the carbon powder is internally provided with the first guide plate, the second guide plate, the flow guide cover, the first anti-reverse plate, the second anti-reverse plate and other anti-reverse flow structures, so that the carbon powder can be prevented from reversely flowing, the effectiveness of clearing the carbon powder is improved, and secondary pollution is avoided;
6. according to the lightning protection device, the driving lever is fixedly arranged at the bottom of the conductive rod, the L-shaped supporting plate is fixedly arranged on one side, close to the lightning protection carbon brush, of the conductive rod, the alarm is fixedly arranged on the L-shaped supporting plate, and when the lightning protection carbon brush is worn to a certain degree, the lightning protection carbon brush can be pushed outwards until the driving lever is driven to trigger the alarm, so that the warning is carried out on a worker, the worker is reminded of timely replacing the lightning protection carbon brush, the timely maintenance reminding of the lightning protection device is realized, the lightning protection device is more convenient, and manual maintenance and observation are not needed.
The invention provides a lightning protection device and a wind turbine generator, which can automatically clean carbon powder generated by abrasion of a lightning protection carbon brush in the use process, avoid short circuit damage of electronic equipment, even equipment burnout and abrasion of mechanical parts caused by the carbon powder, and have more centralized functions and safer use.
Drawings
FIG. 1 is a schematic view of the main structure of the present invention;
FIG. 2 is a schematic side sectional view of the internal structure of the conduction rod and shield of the present invention;
FIG. 3 is an enlarged view taken at A of FIG. 2 in accordance with the present invention;
FIG. 4 is a schematic cross-sectional view of the internal structure of the mounting bar of the present invention;
FIG. 5 is a schematic structural relationship diagram of the upper friction bar, the lower friction bar and the storage box according to the present invention;
fig. 6 is a detailed schematic diagram of the internal structure of the operating lever of the present invention.
In the figure: 1 blade, 2 lightning protection ring, 3 hub, 4 conductive rod, 401 groove, 5 conductive spring, 6 conductive rod, 7 lightning protection carbon brush, 8 protective cover, 9 elastic ring pad, 10 wear pad, 11 first piston tube, 12 second piston tube, 13 first piston plate, 14 extension rod, 15 push plate, 16 positioning block, 17 connecting spring, 18 first barrier block, 19 second piston plate, 20 second barrier block, 21 rack, 22 gear, 23 transmission rod, 24 disc, 25 mounting rod, 251 clamping groove, 252 expansion groove, 26 compression spring, 27 support rod, 271 convex clamping block, 28 trigger ball, 29 first shaft, 301 motor start switch, 302 time delay relay, 31 poking rod, 32L type support plate, 33 alarm, 34 rotating motor, 35 first rotating shaft, 391 first rotating shaft, 36 first driving wheel, 37 second driving wheel, 38 second rotating shaft, 39 upper friction rod, 391 pad, 40 second shaft, 41 lower friction rod, 42 friction strip, 43 bristle strip, 44 storage box, 45 operating rod, 46 clamping groove, 451 elastic clamping plate, 48 elastic clamping plate, 53 reverse guiding plate, 50 and reverse guiding plate.
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.
Referring to fig. 1 to 6, the present invention provides a technical solution:
the first embodiment is as follows:
the utility model provides a lightning protection device, establish lightning protection ring 2 on blade 1 and fix conduction pole 4 on wheel hub 3 including the cover, conduction pole 4 is close to one side of lightning protection ring 2 and has seted up recess 401, it is provided with conductive spring 5 to connect in the recess 401, conductive spring 5's end fixing is provided with conducting rod 6, conducting rod 6's end fixing is provided with lightning protection carbon brush 7, and lightning protection carbon brush 7 and lightning protection ring 2 sliding contact, lightning protection is effectual, and the installation is convenient, in the use, if lightning protection carbon brush 7 takes place wearing and tearing, will be lastingly outside ejecting under conductive spring 5's effect, and then keep its and lightning protection ring 2's stable contact, make lightning protection device can keep at good operating condition for a long time.
A first piston tube 11 is arranged between the conducting rod 4 and the lightning protection carbon brush 7, a second piston tube 12 is arranged on the first piston tube 11 in a communicating manner, in the embodiment, the first piston tube 11 is a horizontal tube, the second piston tube 12 is a longitudinal tube, a first piston plate 13 is movably arranged in the first piston tube 11, the first piston plate 13 can be attached to the inner wall of the first piston tube 11 to move horizontally, an extension rod 14 is fixedly arranged on the first piston plate 13, a push plate 15 is fixedly arranged on the extension rod 14, a positioning block 16 is fixedly arranged on the outer wall of the first piston tube 11, a connecting spring 17 is connected between the push plate 15 and the positioning block 16, the connecting spring 17 always has the tendency of expansion and restoration, and further, an outward pushing force is applied to the push plate 15, and the outward pushing force is applied to the lightning protection carbon brush 7 by the push plate 15, so that the lightning protection carbon brush 7 can be attached to the lightning protection ring 2, a second piston plate 19 is movably arranged in the second piston tube 12, the second piston plate 19 can be attached to the inner wall of the second piston tube 12 to move up and down, and a medium such as piston oil, piston liquid, piston gas and the like is filled between the first piston tube 11 and the second piston plate 19, a rack 21 is fixedly arranged on the second piston plate 19, a gear 22 is arranged on the rack 21 in a meshed manner, when the rack 21 moves up and down, the gear 22 is driven to rotate, a transmission rod 23 is fixedly arranged at the center of the gear 22 in a penetrating manner, a disc 24 is fixedly arranged at the end part of the transmission rod 23, the gear 22 can drive the disc 24 to rotate through the transmission rod 23, a plurality of trigger devices are fixedly arranged on the disc 24, the trigger devices can trigger the motor starting switch 301, the motor starting switch 301 is in signal connection with the time delay relay 302, when the motor starting switch 301 is triggered, the rotating motor 34 is started, so that the upper friction rod 39 and the lower friction rod 41 rotate relatively to generate static electricity, the carbon powder generated after the lightning protection carbon brush 7 is rubbed is removed through electrostatic adsorption, and under the auxiliary action of the delay relay 302, the rotating motor 34 is automatically turned off after being started for a period of time, so that the consumption of electric energy is effectively avoided, and the energy-saving effect is achieved.
An upper friction rod 39 and a lower friction rod 41 which can be driven to rotate are arranged at the bottom of the lightning protection carbon brush 7 and can relatively rotate, so that the upper friction rod 39 generates static electricity, and then carbon powder generated after the lightning protection carbon brush 7 is rubbed is electrostatically adsorbed, an electrostatic adsorption pad 391 is arranged on the outer side of the upper friction rod 39, a plurality of friction strips 42 and brush strips 43 are arranged on the outer side of the lower friction rod 41 at intervals, when the friction strips 42 contact the upper friction rod 39 and relatively rotate, the upper friction rod 39 is rubbed to generate static electricity, and when the brush strips 43 contact the upper friction rod 39 and relatively rotate, the brush strips mainly play a role of clearing away carbon powder attached to the surface of the upper friction rod 39, so that the upper friction rod 39 can realize self-cleaning, and the effective area for adsorbing the carbon powder is ensured, a storage box 44 is arranged below the lower friction rod 41, the storage box 44 is used for storing the carbon powder, an operating rod 45 is fixedly arranged on the back inner wall of the storage box 44, an operating rod 45 is provided with an operating rod 45, an operating groove 451 is provided with a restoring spring 46 connected with a blocking plate 47, a shifting plate 47 is fixedly arranged on the upper side, a shifting plate 48 is arranged on the lower sliding plate, and a guide plate 51 which can not easily restore the sliding plate and a guide plate 51 which can not easily restore the sliding back to the sliding plate, and a guide plate 41, and a second sliding guide plate 51 which can not easily to remove the sliding plate 42 and a sliding guide plate which can not easily.
Example two:
the utility model provides a lightning protection device, establish lightning protection ring 2 on blade 1 and fix conduction pole 4 on wheel hub 3 including the cover, conduction pole 4 is close to one side of lightning protection ring 2 and has seted up recess 401, it is provided with conductive spring 5 to connect in the recess 401, the end fixing of conductive spring 5 is provided with conducting rod 6, the end fixing of conducting rod 6 is provided with lightning protection carbon brush 7, and lightning protection carbon brush 7 and lightning protection ring 2 sliding contact, lightning protection is effectual, high durability and convenient installation, in the use, if lightning protection carbon brush 7 takes place wearing and tearing, will be lastingly outwards ejecting under conductive spring 5's effect, and then keep its and lightning protection ring 2's stable contact, make lightning protection device can keep at good operating condition for a long time, the fixed cover in outside of conduction pole 4 is equipped with protection casing 8, protection casing 8 is close to one side fixing that lightning protection casing 2 is provided with elastic ring pad 9, elastic ring pad 9 has certain flexible elasticity, elastic ring pad 9's the outside is fixed and is provided with wear pad 10, and wear pad 10 activity pastes the outside of establishing at lightning protection ring 2, therefore, protection casing 8, elastic ring 9 and wear pad 10 form the space of a relative isolation, can play the whole pleasing to the effect on its inside also beautifully.
A first piston tube 11 is arranged between the conducting rod 4 and the lightning protection carbon brush 7, a second piston tube 12 is arranged on the first piston tube 11 in a communicating manner, in the embodiment, the first piston tube 11 is a horizontal tube, the second piston tube 12 is a longitudinal tube, a first piston plate 13 is movably arranged in the first piston tube 11, the first piston plate 13 can be attached to the inner wall of the first piston tube 11 to move horizontally, an extension rod 14 is fixedly arranged on the first piston plate 13, a push plate 15 is fixedly arranged on the extension rod 14, a positioning block 16 is fixedly arranged on the outer wall of the first piston tube 11, a connecting spring 17 is connected between the push plate 15 and the positioning block 16, the connecting spring 17 always has the tendency of expansion and restoration, and further, an outward pushing force is applied to the push plate 15, and the outward pushing force is applied to the lightning protection carbon brush 7 by the push plate 15, so that the lightning protection carbon brush 7 can be attached to the lightning protection ring 2, a first blocking block 18 is fixedly arranged on the inner wall of the outlet end of the first piston tube 11 close to the lightning protection carbon brush 7, the first blocking block 18 can prevent the first piston plate 13 from separating from the first piston tube 11 in the moving process, a second piston plate 19 is movably arranged in the second piston tube 12, the second piston plate 19 can be attached to the inner wall of the second piston tube 12 to move up and down, media such as piston oil, piston liquid and piston gas are filled between the first piston tube 11 and the second piston plate 19, a second blocking block 20 is fixedly arranged on the inner wall of the outlet end of the second piston tube 12 far away from the first piston tube 11, the second blocking block 20 can prevent the second piston plate 19 from separating from the second piston tube 12 in the moving process, a rack 21 is fixedly arranged on the second piston tube 19, a gear 22 is meshed on the rack 21, when the rack 21 moves up and down, the gear 22 is driven to rotate, a transmission rod 23 is fixedly arranged at the center of the gear 22 in a penetrating mode, a disc 24 is fixedly arranged at the end portion of the transmission rod 23, one end, far away from the disc 24, of the transmission rod 23 is arranged in a first bearing seat 29, the first bearing seat 29 is fixed on the inner side wall of the protective cover 8, the transmission rod 23 can smoothly rotate due to the arrangement of the first bearing seat 29, clamping stagnation cannot occur, the gear 22 can drive the disc 24 to rotate through the transmission rod 23, a plurality of trigger devices are fixedly arranged on the disc 24 and can trigger a motor starting switch 301, the motor starting switch 301 is in signal connection with a time delay relay 302, when the motor starting switch 301 is triggered, a rotating motor 34 is started, an upper friction rod 39 and a lower friction rod 41 are further made to rotate relatively, carbon powder generated after friction of the lightning protection carbon brush 7 is subjected to electrostatic adsorption and removal, and under the auxiliary action of the time delay relay 302, the rotating motor 34 is automatically turned off after being started for a period of time, so that consumption of electric energy is effectively avoided, and an energy-saving effect is achieved.
The bottom of the lightning protection carbon brush 7 is provided with an upper friction rod 39 and a lower friction rod 41 which can be driven to rotate, the upper friction rod 39 and the lower friction rod 41 can rotate relatively, so that the upper friction rod 39 generates static electricity, and further, carbon powder generated after the lightning protection carbon brush 7 rubs is adsorbed by the static electricity, the outer side of the upper friction rod 39 is provided with a static electricity adsorption pad 391, in the embodiment, the static electricity adsorption pad 391 can be a static electricity adsorption film, the outer side of the lower friction rod 41 is provided with a plurality of friction strips 42 and brush strips 43 at intervals, when the friction strips 42 contact the upper friction rod 39 and rotate relatively, the upper friction rod 39 can be rubbed to generate static electricity, and when the brush strips 43 contact the upper friction rod 39 and rotate relatively, the brush strips 43 mainly function to remove the carbon powder attached to the surface of the upper friction rod 39, so that the upper friction rod 39 can realize self-cleaning, and ensure the effective area of the carbon powder, and the storage box 44 is arranged below the lower friction rod 41, the storage box 44 is used for storing carbon powder, an operating rod 45 is fixedly arranged on the inner wall of the back of the storage box 44, an installation groove 451 is formed in the operating rod 45, a clamping plate 47 is connected in the installation groove 451 through a restoring spring 46, an elastic poking piece 48 is fixedly arranged on the clamping plate 47, the elastic poking piece 48 can generate elastic deformation and can automatically restore when no external force is applied, further, the carbon powder adhered on the friction strip 42 and the brush strip 43 on the surface of the lower friction rod 41 is removed, a first guide plate 49 and a second guide plate 50 are arranged on the outer side of the operating rod 45 in a non-contact way, a flow guide cover 51 is arranged below the operating rod 45 in a non-contact way, the flow guide cover 51 gradually inclines downwards from the center to the outer side, further, the flow of the carbon powder is guided, the carbon powder is promoted to flow to the bottom of the storage box 44, a first anti-reverse plate 52 and a second anti-reverse plate 53 are arranged below the flow cover 51 in a non-contact way, the first guide plate 49, the second guide plate 50, the first anti-reverse plate 52 and the second anti-reverse plate 53 are all fixedly arranged on the inner wall of the storage box 44, and the first anti-reverse plate 52 and the second anti-reverse plate 53 are gradually inclined downwards at one end far away from the inner wall of the storage box 44, so that carbon powder can conveniently fall to the bottom of the storage box 44, but the counter flow is not easy to occur.
Example three:
in this embodiment, on the basis of the first embodiment or the second embodiment, a specific structure of the triggering device is further disclosed and defined, specifically: the triggering device comprises a mounting rod 25, a clamping groove 251 is formed in the mounting rod 25, a supporting rod 27 is connected to the clamping groove 251 through a compression spring 26, a trigger ball 28 is fixedly arranged at the end of the supporting rod 27, the compression spring 26 can push the trigger ball 28 outwards through the supporting rod 27, and further the trigger ball 28 can be more effectively triggered to a motor starting switch 301, in the embodiment, an expansion groove 252 is communicated with the clamping groove 251, a protruding clamping block 271 is fixedly arranged on the outer side of the supporting rod 27, in order to enable the structure to be firmer, the supporting rod 27 and the protruding clamping block 271 can be integrally formed, the protruding clamping block 271 is located in the expansion groove 252, the protruding clamping block 271 can only move in the expansion groove 252, further the moving range of the supporting rod 27 is limited, the supporting rod 27 is prevented from being separated from the mounting rod 25 when moving, and further the device can be effective for a long time.
Example four:
in this embodiment, on the basis of the first, second or third embodiment, the following structure is added: the fixed driving lever 31 that is provided with in bottom of conducting rod 6, one side that conducting rod 4 is close to lightning protection carbon brush 7 is fixed and is provided with L type backup pad 32, the fixed siren 33 that is provided with in L type backup pad 32, after lightning protection carbon brush 7 is by certain degree after wearing and tearing, it can be promoted outwards, trigger siren 33 until driving lever 31, and then carry out the early warning to the staff, remind the timely lightning protection carbon brush 7 of renewing of staff, realize the in good time maintenance warning to lightning protection device, need not artifical maintenance and observe, and is more convenient, the potential safety hazard that leads to because the staff does not in time overhaul has also been stopped.
Example five:
in this embodiment, on the basis of the first to fourth embodiments, the following structures are added: the inner wall of the protective cover 8 is embedded with a rotating motor 34, an output end of the rotating motor 34 is fixedly provided with a first rotating shaft 35, an end portion of the first rotating shaft 35 is fixedly provided with a lower friction rod 41, therefore, the rotating motor 34 can drive the lower friction rod 41 to rotate through the first rotating shaft 35, the first rotating shaft 35 is fixedly sleeved with a first driving wheel 36, the first driving wheel 36 is meshed with a second driving wheel 37, and in the embodiment, the number of teeth of the first driving wheel 36 can be larger than that of the second driving wheel 37, therefore, each time the first driving wheel 36 rotates for one circle, the second driving wheel 37 can be driven to rotate for several circles, so that the static electricity generating effect is better, the center of the second driving wheel 37 is fixedly provided with a second rotating shaft 38 in a penetrating manner, therefore, the first driving wheel 36 on the first rotating shaft 35 can drive the second rotating shaft 38 to synchronously rotate through the second driving wheel 37, the end portion of the second rotating shaft 38 is fixedly arranged at the center of the upper friction rod 39, therefore, the upper friction rod 39 and the lower friction rod 41 can relatively rotate, so that the upper friction rod 39 and the second rotating shaft can effectively absorb and remove the static electricity, the carbon powder which is far away from the side wall of the second rotating shaft 38 is arranged in the second rotating bearing seat 40, and the second rotating shaft 40 is further stably positioned in the second rotating shaft bearing seat 40, and the second rotating shaft bearing seat 40 arranged in the inner wall of the second rotating shaft 40, and the second rotating shaft bearing seat 40.
A wind turbine generator system comprises the lightning protection device.
The working principle is as follows:
when using, lightning protection ring 2 on blade 1 can take place relative slip with lightning protection carbon brush 7 between, conduction pole 4 is close to one side of lightning protection ring 2 and has seted up recess 401, it is provided with conductive spring 5 to connect in the recess 401, conductive spring 5's end fixing is provided with conducting rod 6, conducting rod 6's end fixing is provided with lightning protection carbon brush 7, and lightning protection carbon brush 7 and lightning protection ring 2 sliding contact, lightning protection is effectual, high durability and convenient installation, in the use, if lightning protection carbon brush 7 takes place wearing and tearing, will be lastingly outside ejecting under conductive spring 5's effect, and then keep its and lightning protection ring 2's stable contact, make lightning protection device can keep at good operating condition for a long time.
When the lightning protection carbon brush 7 is worn, the lightning protection carbon brush is further ejected outwards by the conductive spring 5, at this time, the push plate 15 is also further ejected outwards by the connecting spring 17, the push plate 15 drives the first piston plate 13 to move outwards through the extension rod 14, the second piston plate 19 moves downwards under the action of the piston medium, so that the rack 21 drives the gear 22 to rotate in the process of moving downwards, the gear 22 drives the disc 24 to rotate through the transmission rod 23, the disc 24 is fixedly provided with a plurality of trigger devices, the trigger devices can trigger the motor starting switch 301, the motor starting switch 301 is in signal connection with the delay relay 302, when the motor starting switch 301 is triggered, the rotating motor 34 is started, firstly, the rotating motor 34 can drive the lower friction rod 41 to rotate through the first rotating shaft 35, secondly, the first driving wheel 36 on the first rotating shaft 35 can drive the second rotating shaft 38 to synchronously rotate through the second driving wheel 37, the second shaft 38 drives the upper friction rod 39 to rotate, so that the upper friction rod 39 and the lower friction rod 41 rotate relatively, an electrostatic adsorption pad 391 is disposed on the outer side of the upper friction rod 39, a plurality of friction strips 42 and brush strips 43 are disposed on the outer side of the lower friction rod 41 at intervals, when the friction strips 42 contact the upper friction rod 39 and rotate relatively, the upper friction rod 39 is rubbed to generate static electricity, carbon powder generated after the carbon brush 7 is rubbed is adsorbed and removed by static electricity, and when the brush strips 43 contact the upper friction rod 39 and rotate relatively, the brush strips mainly remove carbon powder adhered to the surface of the upper friction rod 39, so that the upper friction rod 39 can realize self-cleaning, and the effective area of the carbon powder is ensured, a storage box 44 is disposed below the lower friction rod 41, the storage box 44 is used for storing carbon powder, and a first guide plate 49 is disposed inside the storage box, the anti-reflux structures such as the second guide plate 50, the air guide sleeve 51, the first anti-reflux plate 52 and the second anti-reflux plate 53 can prevent carbon powder from refluxing, improve the effectiveness of clearing away the carbon powder, avoid secondary pollution, and under the auxiliary action of the time delay relay 302, the rotating electrical machine 34 is automatically closed after being started for a period of time, effectively avoid the consumption of electric energy, thereby achieving the energy-saving effect, having more concentrated functions and better use effect.
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 (10)
1. The utility model provides a lightning protection device, establishes lightning protection ring (2) on blade (1) and fixes conducting rod (4) on wheel hub (3) including the cover, its characterized in that: a groove (401) is formed in one side, close to the lightning protection ring (2), of the conducting rod (4), a conducting spring (5) is connected and arranged in the groove (401), a conducting rod (6) is fixedly arranged at the end part of the conducting spring (5), a lightning protection carbon brush (7) is fixedly arranged at the end part of the conducting rod (6), and the lightning protection carbon brush (7) is in sliding contact with the lightning protection ring (2);
a first piston tube (11) is arranged between the conducting rod (4) and the lightning protection carbon brush (7), a second piston tube (12) is communicated with the first piston tube (11), a first piston plate (13) is movably arranged in the first piston tube (11), an extension rod (14) is fixedly arranged on the first piston plate (13), a push plate (15) is fixedly arranged on the extension rod (14), a positioning block (16) is fixedly arranged on the outer wall of the first piston tube (11), a connecting spring (17) is connected between the push plate (15) and the positioning block (16), a second piston plate (19) is movably arranged in the second piston tube (12), a rack (21) is fixedly arranged on the second piston plate (19), a gear (22) is meshed with the rack (21), a transmission rod (23) is fixedly arranged at the center of the gear (22) in a penetrating manner, a transmission rod (24) is fixedly arranged at the end part of the transmission rod (23), a plurality of trigger devices are fixedly arranged on the disc (24), the trigger devices can trigger a motor starting switch (301), and a time delay relay (302) is connected with a motor starting switch;
the lightning protection carbon brush (7) is provided with the last friction lever (39) that can be driven rotatoryly and lower friction lever (41) in the bottom, the outside of going up friction lever (39) is provided with electrostatic absorption pad (391), the outside interval of lower friction lever (41) is provided with a plurality of friction strips (42) and brush strip (43), the below of lower friction lever (41) is provided with storage box (44), fixed being provided with action bars (45) on the back inner wall of storage box (44), seted up in action bars (45) mounting groove (451), be connected with screens board (47) through reset spring (46) in mounting groove (451), fixed being provided with elastic toggle piece (48) on screens board (47), the outside contactless of action bars (45) is provided with first guide board (49) and second guide board (50), the below contactless of action bars (45) is provided with kuppe (51), the below of kuppe (51) is not contacted and is provided with first anti-reversion board (52) and second anti-reversion board (53).
2. A lightning protection device according to claim 1, characterized in that: the fixed cover in outside of conduction pole (4) is equipped with protection casing (8), one side that protection casing (8) are close to lightning protection ring (2) is fixed and is provided with elastic ring pad (9), the fixed wear pad (10) that is provided with in the outside of elastic ring pad (9), just wear pad (10) activity subsides are established in the outside of lightning protection ring (2).
3. A lightning protection device according to claim 1, characterized in that: a first blocking block (18) is fixedly arranged on the inner wall of the outlet end, close to the lightning protection carbon brush (7), of the first piston pipe (11), and a second blocking block (20) is fixedly arranged on the inner wall of the outlet end, far away from the first piston pipe (11), of the second piston pipe (12).
4. A lightning protection device according to claim 1, characterized in that: the trigger device comprises an installation rod (25), a clamping groove (251) is formed in the installation rod (25), a supporting rod (27) is connected to the clamping groove (251) through a compression spring (26), and a trigger ball (28) is fixedly arranged at the end of the supporting rod (27).
5. The lightning protection device according to claim 4, characterized in that: an expansion groove (252) is communicated with the clamping groove (251), a protruding clamping block (271) is fixedly arranged on the outer side of the supporting rod (27), and the protruding clamping block (271) is located in the expansion groove (252).
6. A lightning protection device according to claim 2, characterized in that: one end of the transmission rod (23) far away from the disc (24) is arranged in a first bearing seat (29), and the first bearing seat (29) is fixed on the inner side wall of the protective cover (8).
7. A lightning protection device according to claim 1, characterized in that: the lightning protection carbon brush is characterized in that a deflector rod (31) is fixedly arranged at the bottom of the conducting rod (6), an L-shaped supporting plate (32) is fixedly arranged on one side, close to the lightning protection carbon brush (7), of the conducting rod (4), and an alarm (33) is fixedly arranged on the L-shaped supporting plate (32).
8. The lightning protection device according to claim 2, characterized in that: the embedded rotating electrical machines (34) that are provided with in the inner wall of protection casing (8), the fixed first pivot (35) that is provided with of output of rotating electrical machines (34), the end fixing of first pivot (35) is provided with down friction lever (41), fixed cover is equipped with first drive wheel (36) on first pivot (35), first drive wheel (36) mesh mutually with second drive wheel (37), the fixed second pivot (38) that runs through of center department of second drive wheel (37), the end fixing of second pivot (38) sets up the center department at last friction lever (39).
9. A lightning protection device according to claim 2, characterized in that: one end of the second rotating shaft (38) far away from the upper friction rod (39) is arranged in a second bearing seat (40), and the second bearing seat (40) is embedded in the side wall of the protective cover (8).
10. A wind turbine generator system is characterized in that: a lightning protection device comprising any one of the preceding claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910460.2A CN115506976A (en) | 2022-07-29 | 2022-07-29 | Lightning protection device and wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210910460.2A CN115506976A (en) | 2022-07-29 | 2022-07-29 | Lightning protection device and wind turbine generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115506976A true CN115506976A (en) | 2022-12-23 |
Family
ID=84501139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210910460.2A Pending CN115506976A (en) | 2022-07-29 | 2022-07-29 | Lightning protection device and wind turbine generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115506976A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565658A (en) * | 2023-04-24 | 2023-08-08 | 大唐景泰新能源有限公司 | Slip ring deflector rod bracket device |
| CN116717439A (en) * | 2023-08-11 | 2023-09-08 | 威海亨策新能源科技有限公司 | Wind generating set with lightning protection device |
-
2022
- 2022-07-29 CN CN202210910460.2A patent/CN115506976A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116565658A (en) * | 2023-04-24 | 2023-08-08 | 大唐景泰新能源有限公司 | Slip ring deflector rod bracket device |
| CN116717439A (en) * | 2023-08-11 | 2023-09-08 | 威海亨策新能源科技有限公司 | Wind generating set with lightning protection device |
| CN116717439B (en) * | 2023-08-11 | 2023-11-17 | 威海亨策新能源科技有限公司 | Wind generating set with lightning protection device |
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