CN116717439B - Wind generating set with lightning protection device - Google Patents
Wind generating set with lightning protection device Download PDFInfo
- Publication number
- CN116717439B CN116717439B CN202311010488.1A CN202311010488A CN116717439B CN 116717439 B CN116717439 B CN 116717439B CN 202311010488 A CN202311010488 A CN 202311010488A CN 116717439 B CN116717439 B CN 116717439B
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- CN
- China
- Prior art keywords
- block
- rotating shaft
- carbon brush
- lightning protection
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 113
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 100
- 238000010248 power generation Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 13
- 125000006850 spacer group Chemical group 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims abstract description 4
- 238000007790 scraping Methods 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 10
- 230000003068 static effect Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/64—Connections between or with conductive parts having primarily a non-electric function, e.g. frame, casing, rail
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
-
- 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
-
- 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
-
- 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
- H01R39/46—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing
- H01R39/48—Auxiliary means for improving current transfer, or for reducing or preventing sparking or arcing by air blast; by surrounding collector with non-conducting liquid or gas
-
- 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
Landscapes
- 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)
- Elimination Of Static Electricity (AREA)
Abstract
The invention discloses a wind generating set with a lightning protection device, belongs to the technical field of lightning protection wind power generation, and solves the problems of low efficiency of manually replacing a grounding carbon brush and short service life of the grounding carbon brush. The wind generating set with the lightning protection device comprises a power generation box and a rotating shaft; a rotating shaft is arranged in the power generation box; a placing box is arranged at the left side of the power generation box; the left side of the rotating shaft is provided with a spacer group which consists of a plurality of discs, and the discs are arranged in a straight line on the rotating shaft; the grounding carbon brush is provided with a connector which is in a ring shape; the method is characterized in that: the dust removing device also comprises a fixed block, a pressing block, a limiting block, a clamping spring and a dust removing system; the invention realizes that the ground carbon brush is replaced manually more conveniently, effectively improves the working efficiency and prolongs the service life of the ground carbon brush.
Description
Technical Field
The invention relates to the field of lightning protection devices, in particular to a wind generating set with a lightning protection device.
Background
The wind generating set makes the kinetic energy of wind change the system of electric energy, along with fan capacity's increase, wheel hub height and blade diameter also increase thereupon, wind generating set meets the probability of thunderbolt and also increases thereupon, in lightning protection system, introduce the epaxial static charge of pivot through the carbon brush to the earth, thereby reach the effect of lightning protection, but the carbon brush often needs to be changed, especially the ground carbon brush, because its fixing device leads to the efficiency extremely slow when changing, the ground carbon brush is located equipment one side simultaneously, the position is narrow, its instrument extremely easily drops to equipment when leading to the manual work to change the ground carbon brush, thereby influence equipment lightning protection effect.
Secondly, often accumulate a lot of carbon dust in the pivot to lead to pivot and ground connection carbon brush poor contact, even lead to producing the spark because the friction is overheated, simultaneously, the accumulation of carbon dust in the pivot leads to ground connection carbon brush wearing and tearing seriously, makes drainage effect lose, and has reduced the life of ground connection carbon brush to a great extent.
Disclosure of Invention
In order to overcome the defects that the existing fixing device of the grounding carbon brush is extremely low in efficiency during replacement, tools of the grounding carbon brush are easy to fall into equipment during manual replacement of the grounding carbon brush, and secondly, the grounding carbon brush is seriously worn due to accumulation of carbon powder on a rotating shaft, so that a drainage effect is lost, and the service life of the grounding carbon brush is greatly shortened, the invention provides a wind generating set with a lightning protection device.
The technical scheme is as follows: a wind generating set with a lightning protection device comprises a generating box and a rotating shaft; a rotating shaft is arranged in the power generation box; a placing box is arranged at the left side of the power generation box; the left side of the rotating shaft is provided with a spacer group which consists of a plurality of discs, and the discs are arranged in a straight line on the rotating shaft; the grounding carbon brush is provided with a connector which is in a ring shape; the dust removing device also comprises a fixed block, a pressing block, a limiting block, a clamping spring and a dust removing system; two fixing blocks for placing the joint are arranged on the left side of the power generation box, and the two fixing blocks are positioned on the right part of the inner side of the placing box; each fixed block is provided with a first bulge for sleeving the joint, and the first bulge is connected with the ground wire; a pressing block which moves up and down and is used for fixing the joint is arranged above each fixing block, and the pressing block is arranged as a cylindrical pipe with a downward opening; two limiting blocks for limiting the movement of the grounding carbon brush are arranged on the right side of the spacer group, the middle of each limiting block is hollowed out, and the length of each limiting block is smaller than that of each grounding carbon brush; each limiting block is positioned above the rotating shaft, and the two limiting blocks are distributed front and back in an annular shape along the outer wall of the rotating shaft; and a clamp spring which enables the bottom of the grounding carbon brush to always contact with the rotating shaft is arranged in each limiting block.
Further stated, a first limit groove is formed in each fixed block.
Further stated, the upper side edge of the first protrusion on each fixing block is arc-shaped, and the inner side edge of the pressing block is arc-shaped.
Further, the clamp spring is obliquely placed in the limiting block leftwards based on the right-to-left view, and the rotating shaft rotates anticlockwise.
Further described, the device also comprises a placing cylinder, a pulling block and a first elastic piece; the upper side of each fixed block is fixedly connected with a placement cylinder, and the pressing block is in sliding connection with the placement cylinder; a chute is arranged on the front side of each placement barrel; each sliding groove is internally and slidably connected with a pull block, and each pull block is fixedly connected with a pressing block; a first elastic piece is fixedly connected between the upper surface of each pressing block and the upper part of the inner side of the placing cylinder.
Further described, the dust removal system includes a rubber ring; the middle part of each limiting block is fixedly connected with a rubber ring.
Further, a plurality of second protrusions for preventing the grounding carbon brush from inclining are arranged on the lower side of each clamp spring; the limiting block is provided with an arc-shaped groove for facilitating insertion of the clamp spring.
Further, the cleaning device also comprises a scraping blade; the lower side of each limiting block is fixedly connected with two scraping blades which are symmetrically arranged in the front-back direction and used for scraping carbon powder on the surface of the rotating shaft, and the bottoms of the scraping blades are contacted with the surface of the rotating shaft; each wiper blade is arranged in a herringbone shape based on the view from the top down.
Further, the device also comprises a gas pipe; each scraping blade positioned at the front side of the limiting block is fixedly connected with an air pipe for blowing downwards.
The portable pressing system comprises a second elastic piece, a connecting rod, an ellipsoidal block and a clamping rod; each placing cylinder is provided with a through hole; each placing cylinder is provided with a second limit groove; the second limit groove is positioned above the through hole; a second elastic piece is fixedly connected to the outer wall of each placement barrel; each second elastic piece is fixedly connected with a connecting rod; the lower side of each connecting rod is fixedly connected with an ellipsoid block which moves left and right; the upper side of each connecting rod is fixedly connected with a clamping rod for blocking the pressing block from sliding downwards, and the clamping rod is inclined upwards and leftwards based on the condition that the pressing block is seen from front to back.
The beneficial effects of the invention are as follows: the invention realizes that the connector is pressed on the first bulge through the pressing block, so that the connector and the first bulge are always kept in contact, thereby preventing poor contact, avoiding that charges on the rotating shaft cannot be conducted to the ground, preventing thunderstorm weather equipment from being hit by lightning, and avoiding equipment damage;
the bottom of the grounding carbon brush in the limiting block is always contacted with the surface of the rotating shaft through the clamp spring, so that the electric charge on the rotating shaft is smoothly guided to the ground, and the equipment is prevented from being struck by lightning;
the connector is smoothly clamped through the first limiting groove on the fixed block, so that the connector is ensured to be well contacted with the first bulge, and the problem that static charge on the rotating shaft cannot be led into the ground due to poor contact is avoided;
the upper side of the first bulge is set to be a cambered surface, so that the connector is conveniently pulled out from the first limiting groove, the connector is prevented from being clamped in the first limiting groove, the grounding carbon brush cannot be successfully replaced, and further equipment outage and manpower and material resource loss are prevented;
the clamping spring is obliquely placed leftwards in the limiting block, so that the grounding carbon brush is prevented from tilting rightwards when the rotating shaft rotates, the contact area between the bottom of the grounding carbon brush and the surface of the rotating shaft is reduced, the conductive effect between the rotating shaft and the grounding carbon brush is prevented from being influenced, and the lightning protection effect of equipment is prevented from being reduced;
when the grounding carbon brush is placed in the limiting block through the rubber ring, air flow is generated, carbon powder remained on the surface of the rotating shaft is blown away to the periphery, poor contact between the bottom of the grounding carbon brush and the surface of the rotating shaft is prevented, even sparks are caused, meanwhile, serious abrasion of the grounding carbon brush is effectively avoided, and the service life of the grounding carbon brush is prolonged;
the second bulge is attached to the surface of the grounding carbon brush, so that the grounding carbon brush is prevented from tilting in the rotating process of the rotating shaft, the contact area between the bottom of the grounding carbon brush and the surface of the rotating shaft is prevented from being reduced, and the grounding carbon brush is ensured to be well contacted with the rotating shaft;
the carbon powder generated by the grounding carbon brush is guided to the left and the right sides through the scraping blade, so that the carbon powder is reduced to be accumulated between the grounding carbon brush and the surface of the rotating shaft, poor contact is prevented, and sparks are avoided;
the air pipe blows air to the surface of the rotating shaft, so that carbon powder generated by friction of the grounding carbon brush is dispersed to the left side and the right side of the scraping blade, the carbon powder is effectively prevented from accumulating between the scraping blade and the grounding carbon brush, poor contact between the grounding carbon brush and the rotating shaft is further avoided, and poor conductive effect is prevented;
blocking the briquetting through the clamping rod, and then need not to continuously pulling when artifical change ground carbon brush draws the piece, provides very big facility to artifical change ground carbon brush, effectively improves work efficiency simultaneously.
Drawings
FIG. 1 is a schematic perspective view of a first embodiment of the present invention;
FIG. 2 is a schematic view of a second perspective structure of the present invention;
FIG. 3 is a schematic perspective view of a first portion of the present invention;
FIG. 4 is a schematic perspective view of a spacer set, a fixed block and a stopper assembly according to the present invention;
FIG. 5 is a schematic perspective view of the combination of the fixing block, the joint and the mounting cylinder of the present invention;
FIG. 6 is a schematic view of a second partial perspective view of the present invention;
FIG. 7 is a schematic view of a combined three-dimensional structure of a limiting block and a clamp spring;
FIG. 8 is a cross-sectional view of a stop block of the present invention;
FIG. 9 is a schematic perspective view of a first combination of a snap spring and a rubber ring according to the present invention;
FIG. 10 is a schematic view of a second combined solid structure of a snap spring and a rubber ring according to the present invention;
FIG. 11 is a schematic view of a combined three-dimensional structure of a stopper, a shaft and a wiper blade according to the present invention;
FIG. 12 is a schematic view of a combined stopper and wiper blade of the present invention;
FIG. 13 is a schematic view of a three-dimensional structure of a stopper, wiper and air tube assembly according to the present invention;
FIG. 14 is a schematic view of a third partial perspective view of the present invention;
fig. 15 is a schematic perspective view of a convenient pressing system according to the present invention.
In the above figures: the device comprises a 1-power generation box, a 1001-placement box, a 1002-spacer group, a 2-rotating shaft, a 3-fixed block, a 3001-first protrusion, a 3002-first limit groove, a 4-press block, a 5-limit block, a 5001-arc-shaped groove, a 6-clamp spring, a 6001-second protrusion, a 7-grounding carbon brush, a 7001-connector, a 101-placement cylinder, a 10101-sliding groove, a 10102-through hole, a 10103-second limit groove, a 102-pull block, a 103-first elastic piece, a 201-rubber ring, a 301-doctor blade, a 401-air pipe, a 501-second elastic piece, a 502-connecting rod, a 503-ellipsoidal block and a 504-clamping rod.
Detailed Description
The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which currently preferred embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Example 1
As shown in fig. 3-8, a wind generating set with a lightning protection device comprises a generating box 1 and a rotating shaft 2; a rotating shaft 2 is arranged in the power generation box 1; a placement box 1001 is arranged on the left side of the power generation box 1; the left side of the rotating shaft 2 is provided with a spacer group 1002, the spacer group 1002 consists of a plurality of discs, and the discs are arranged on the rotating shaft 2 in a straight line; the grounding carbon brush 7 is provided with a joint 7001, and the joint 7001 is arranged in a circular shape;
the dust removing device also comprises a fixed block 3, a pressing block 4, a limiting block 5, a clamping spring 6 and a dust removing system; two fixed blocks 3 are arranged on the left side of the power generation box 1, and the two fixed blocks 3 are positioned on the right part of the inner side of the placement box 1001; each fixed block 3 is provided with a first bulge 3001, the first bulge 3001 is connected with a ground wire, and static charges are conducted to the ground through the first bulge 3001, so that thunderstorm weather equipment is prevented from being struck by lightning, and the equipment is prevented from being damaged; a pressing block 4 is arranged above each fixed block 3, and the pressing blocks 4 are cylindrical pipes which are downwards opened; the joint 7001 is smoothly clamped into the pressing block 4, so that the joint 7001 is contacted with the first bulge 3001 more firmly; two limiting blocks 5 are arranged on the right side of the spacer group 1002, the limiting blocks 5 are arranged to be hollow in the middle, and the length of each limiting block 5 is smaller than that of the grounding carbon brush 7; each limiting block 5 is located above the rotating shaft 2, the two limiting blocks 5 are distributed front and back in an annular shape along the outer wall of the rotating shaft 2, when the grounding carbon brush 7 is placed in the limiting block 5, the bottom of the grounding carbon brush 7 is in contact with the surface of the rotating shaft 2, when the connector 7001 of the grounding carbon brush 7 is sleeved on the first protrusion 3001, the connector 7001 is connected with a ground wire, meanwhile, the limiting blocks 5 enable the bottom of the grounding carbon brush 7 to be in contact with the surface of the rotating shaft 2, and then static charges on the rotating shaft 2 are successfully conducted to the ground through the grounding carbon brush 7; a clamp spring 6 is arranged in each limiting block 5; when the grounding carbon brush 7 is replaced, firstly, the connector 7001 on the grounding carbon brush 7 is sleeved on the first bulge 3001, the connector 7001 is pressed on the first bulge 3001 through the pressing block 4, the connector 7001 is always in contact with the first bulge 3001, poor contact between the grounding carbon brush 7 and the first bulge 3001 is prevented, electric charge on the rotating shaft 2 cannot be conducted to the ground, then the grounding carbon brush 7 is placed in the limiting block 5, the bottom of the grounding carbon brush 7 is contacted with the surface of the rotating shaft 2, then the clamp spring 6 is clamped in the limiting block 5, the clamp spring 6 is continuously pressed against the grounding carbon brush 7, the bottom of the grounding carbon brush 7 is always contacted with the surface of the rotating shaft 2, and therefore, a current path is smoothly formed through the grounding carbon brush 7 and the first bulge 3001, electrostatic charge on the rotating shaft 2 is smoothly guided to the ground, thunder and rain equipment is prevented from being hit by lightning, and equipment damage is avoided.
Each fixed block 3 is provided with a first limit groove 3002; when the pressing block 4 presses the joint 7001 of the grounding carbon brush 7 downwards, the joint 7001 is annular, so that after the joint 7001 is sleeved on the first protrusion 3001, the joint 7001 is firmly clamped into the first limiting groove 3002 by pressing the pressing block 4 downwards, thereby ensuring good contact between the joint 7001 and the first protrusion 3001, avoiding that static charges on the rotating shaft 2 cannot be led into the ground due to poor contact, and preventing equipment from being struck by lightning and damage.
The upper side edge of the first bulge 3001 on each fixed block 3 is set to be arc-shaped, and the inner side edge of the pressing block 4 is also set to be arc-shaped, so that when the ground carbon brush 7 is replaced manually, the lower side of the pressing block 4 is prevented from colliding with the upper side edge of the first bulge 3001, meanwhile, the connector 7001 is conveniently pulled out from the first limiting groove 3002, the connector 7001 is prevented from being blocked in the first limiting groove 3002, the ground carbon brush 7 cannot be replaced successfully, and further equipment outage and loss of manpower and material resources are prevented.
With regard to looking from the right to the left as the benchmark, jump ring 6 is placed to left slope in stopper 5, and pivot 2 is anticlockwise rotatory to prevent that earthing carbon brush 7 from empting right when pivot 2 rotates, lead to earthing carbon brush 7 bottom and pivot 2 surface area of contact to reduce, avoid influencing the conductive effect between pivot 2 and the earthing carbon brush 7, prevent to reduce equipment lightning protection effect.
The device also comprises a placing barrel 101, a pull block 102 and a first elastic piece 103; the upper side of each fixed block 3 is fixedly connected with a placing cylinder 101, and the pressing block 4 is in sliding connection with the placing cylinder 101; a sliding groove 10101 is formed in the front side of each placing barrel 101; each sliding groove 10101 is internally and slidably connected with one pull block 102, and each pull block 102 is fixedly connected with one pressing block 4; a first elastic piece 103 is fixedly connected between the upper surface of each pressing block 4 and the upper part of the inner side of the placing cylinder 101, and the first elastic piece 103 is a spring; firstly, the pull block 102 is pulled upwards, the pressing block 4 is driven to slide upwards in the mounting cylinder 101, the first elastic piece 103 is extruded, at the moment, the connector 7001 on the grounding carbon brush 7 is sleeved on the first bulge 3001 on the fixed block 3, then the pull block 102 is released, the first elastic piece 103 is not stressed any more, gradually moves downwards to restore the original state, the pressing block 4 is driven to slide downwards in the mounting cylinder 101 by the first elastic piece 103, the pressing block 4 firmly presses the connector 7001 on the first bulge 3001, and therefore the fixing of the connector 7001 is achieved, when the grounding carbon brush 7 needs to be replaced, only the connector 7001 is required to be released and separated from the first bulge 3001 by lifting the pull block 102 again, and then replacement is carried out.
Example 2
On the basis of the embodiment 1, as shown in fig. 8 to 10, the dust removing system includes a rubber ring 201; the middle part of each limiting block 5 is fixedly connected with a rubber ring 201; when the grounding carbon brush 7 is inserted into the limiting block 5, the rubber ring 201 is tightly attached to the outer surface of the grounding carbon brush 7, so that when the grounding carbon brush 7 continues to move downwards, gas at the bottom of the grounding carbon brush 7 and the middle lower portion of the limiting block 5 is extruded downwards, then a downward moving air flow is formed, finally the air flow is blown to the surface of the rotating shaft 2, residual carbon powder on the surface of the rotating shaft 2 is blown to the periphery, poor contact between the bottom of the grounding carbon brush 7 and the surface of the rotating shaft 2 is prevented, sparks are even caused, meanwhile, the serious abrasion of the grounding carbon brush 7 is effectively avoided, and the service life of the grounding carbon brush 7 is prolonged.
At least three second bulges 6001 are arranged on the lower side of each clamp spring 6; the limiting block 5 is provided with an arc-shaped groove 5001; after the grounding carbon brush 7 is inserted into the limiting block 5, as the second protrusion 6001 is arranged on the clamp spring 6, when the clamp spring 6 is inserted, the lower end of the clamp spring 6 enters the lower part of the inner side of the limiting block 5 through the arc-shaped groove 5001, and then the second protrusion 6001 on the clamp spring 6 is prevented from being blocked by the rubber ring 201, and the surface of the grounding carbon brush 7 is attached to the surface of the grounding carbon brush 7 through the second protrusion 6001, so that the grounding carbon brush 7 is prevented from tilting in the rotating process of the rotating shaft 2, the contact area between the bottom of the grounding carbon brush 7 and the surface of the rotating shaft 2 is reduced, and the grounding carbon brush 7 is well contacted with the rotating shaft 2.
Example 3
Based on the embodiment 2, as shown in fig. 11-13, a wiper 301 is further included; two front and back symmetrical scraping blades 301 are fixedly connected to the lower side of each limiting block 5, and the bottoms of the scraping blades 301 are in contact with the surface of the rotating shaft 2; each wiper 301 is arranged in a herringbone shape, as seen from the top down; the rotating shaft 2 rotates anticlockwise based on the right-to-left view; when the grounding carbon brush 7 contacts the surface of the rotating shaft 2, and the wind generating set starts to operate, carbon powder generated by friction of the grounding carbon brush 7 by the rotating shaft 2 is guided to the left side and the right side of the scraping blade 301 through the scraping blade 301, so that accumulation of carbon powder between the grounding carbon brush 7 and the surface of the rotating shaft 2 is reduced, poor contact between the grounding carbon brush 7 and the rotating shaft 2 is prevented, and spark is avoided.
Also included is a trachea 401; each scraping blade 301 positioned at the front side of the limiting block 5 is fixedly connected with an air pipe 401; the air pipe 401 penetrates through the inner wall of the limiting block 5 and is fixedly connected with the external micro air pump, the external micro air pump is started, the air pipe 401 blows air to the surface of the rotating shaft 2, and therefore carbon powder generated by friction between the grounding carbon brush 7 and the rotating shaft 2 is dispersed to the left side and the right side of the scraping blade 301, carbon powder is effectively prevented from being accumulated between the scraping blade 301 and the grounding carbon brush 7, poor contact between the grounding carbon brush 7 and the rotating shaft 2 is further avoided, and meanwhile poor conducting effect of the grounding carbon brush 7 is prevented.
Example 4
On the basis of embodiment 1, as shown in fig. 1, 2, 6, 14 and 15, the portable pressing system further comprises a second elastic piece 501, a connecting rod 502, an ellipsoidal block 503 and a clamping rod 504; each placing cylinder 101 is provided with a through hole 10102; a second limit groove 10103 is formed in each placing barrel 101; the second limit groove 10103 is positioned above the through hole 10102; a second elastic piece 501 is fixedly connected to the outer wall of each mounting cylinder 101, and the second elastic piece 501 is a spring; each second elastic piece 501 is fixedly connected with a connecting rod 502; the lower side of each connecting rod 502 is fixedly connected with an ellipsoid block 503 which moves left and right, and the ellipsoid block 503 can move left and right in the through hole 10102; a clamping rod 504 is fixedly connected to the upper side of each connecting rod 502, and the clamping rods 504 incline upwards and leftwards based on the front-to-back view; the clamping rod 504 can horizontally move in the second limit groove 10103; at this moment, the pressing block 4 is located on the clamping rod 504, the first elastic piece 103 is in a compression state, when the joint 7001 of the grounding carbon brush 7 is pressed right to extrude the ellipsoidal block 503, the ellipsoidal block 503 drives the clamping rod 504 to translate right through the second elastic piece 501, and then the upper side of the clamping rod 504 translates into the second limiting groove 10103, and then the pressing block 4 breaks away from the obstruction of the clamping rod 504, the pressing block 4 is pressed by the first elastic piece 103 to slide downwards and press on the joint 7001, the joint 7001 is fixed, when the grounding carbon brush 7 needs to be replaced, the pulling block 102 is lifted upwards to drive the pressing block 4 to move upwards, when the pressing block 4 passes through the clamping rod 504, the pressing block 4 applies an upward force to the clamping rod 504, and meanwhile, the clamping rod 504 moves right through the second elastic piece 501, and then the pressing block 4 slides upwards smoothly, when the outer wall of the pressing block 4 is not contacted with the clamping rod 504 any more, the upper side of the clamping rod 504 translates to the lower side of the pressing block 4 through the second elastic piece 501, and then the pressing block 4 is blocked by the clamping rod 504, the pressing block 4 is continuously, when the grounding carbon brush 7 needs to be replaced, the manual carbon brush 7 is replaced, and the efficiency is improved continuously, and the manual carbon brush 7 is replaced continuously, and the efficiency is improved.
While the invention has been described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. The scope of the following claims is to be accorded the broadest interpretation so as to encompass all such modifications and equivalent structures and functions.
Claims (8)
1. A wind generating set with a lightning protection device comprises a generating box (1) and a rotating shaft (2); a rotating shaft (2) is arranged in the power generation box (1); a placement box (1001) is arranged on the left side of the power generation box (1); the left side of the rotating shaft (2) is provided with a spacer group (1002), the spacer group (1002) consists of a plurality of discs, and the discs are arranged in a straight line on the rotating shaft (2); the grounding carbon brush (7) is provided with a joint (7001), and the joint (7001) is arranged in a circular shape; the method is characterized in that: the dust removing device also comprises a fixed block (3), a pressing block (4), a limiting block (5), a clamp spring (6) and a dust removing system; two fixing blocks (3) for placing the joint (7001) are arranged on the left side of the power generation box (1), and the two fixing blocks (3) are both positioned on the right part of the inner side of the placing box (1001); each fixed block (3) is provided with a first bulge (3001) for sleeving the joint (7001), and the first bulge (3001) is connected with a ground wire; a pressing block (4) which moves up and down and is used for fixing the joint (7001) is arranged above each fixing block (3), and the pressing block (4) is arranged as a cylindrical pipe with a downward opening; two limiting blocks (5) for limiting the movement of the grounding carbon brush (7) are arranged on the right side of the spacer group (1002), the limiting blocks (5) are arranged to be hollow in the middle, and the length of the limiting blocks (5) is smaller than that of the grounding carbon brush (7); each limiting block (5) is positioned above the rotating shaft (2), and the two limiting blocks (5) are distributed front and back in a ring shape along the outer wall of the rotating shaft (2); a clamp spring (6) which enables the bottom of the grounding carbon brush (7) to always contact with the rotating shaft (2) is arranged in each limiting block (5);
the device also comprises a placing barrel (101), a pull block (102) and a first elastic piece (103); the upper side of each fixed block (3) is fixedly connected with a placement cylinder (101), and the pressing block (4) is in sliding connection with the placement cylinder (101); a chute (10101) is arranged on the front side of each placing barrel (101); a pull block (102) is slidably connected in each sliding groove (10101), and each pull block (102) is fixedly connected with a pressing block (4); a first elastic piece (103) is fixedly connected between the upper surface of each pressing block (4) and the upper part of the inner side of the placement barrel (101);
the portable pressing system comprises a second elastic piece (501), a connecting rod (502), an ellipsoidal block (503) and a clamping rod (504); each placing cylinder (101) is provided with a through hole (10102); each placing barrel (101) is provided with a second limit groove (10103); the second limit groove (10103) is positioned above the through hole (10102); a second elastic piece (501) is fixedly connected on the outer wall of each placing cylinder (101); each second elastic piece (501) is fixedly connected with a connecting rod (502); the lower side of each connecting rod (502) is fixedly connected with an ellipsoid block (503) which moves left and right; the upper side of each connecting rod (502) is fixedly connected with a clamping rod (504) for blocking the pressing block (4) from sliding downwards, and the clamping rod (504) inclines upwards and leftwards based on the front-back view.
2. A wind power plant with lightning protection means according to claim 1, characterized in that: each fixed block (3) is provided with a first limit groove (3002).
3. A wind power plant with lightning protection means according to claim 2, characterized in that: the upper side edge of the first bulge (3001) on each fixed block (3) is arc-shaped, and the inner side edge of the pressing block (4) is also arc-shaped.
4. A wind power plant with lightning protection means according to claim 1, characterized in that: based on the right-to-left view, the clamp spring (6) is obliquely arranged in the limiting block (5) to the left, and the rotating shaft (2) rotates anticlockwise.
5. A wind power plant with lightning protection means according to claim 4, characterized in that: the dust removal system comprises a rubber ring (201); the middle part of each limiting block (5) is fixedly connected with a rubber ring (201).
6. A wind power plant with lightning protection means according to claim 4, characterized in that: a plurality of second protrusions (6001) for preventing the grounding carbon brush (7) from inclining are arranged on the lower side of each clamp spring (6); an arc-shaped groove (5001) which is convenient for inserting the clamp spring (6) is arranged on the limiting block (5).
7. A wind power plant with lightning protection means according to claim 6, characterized in that: also comprises a scraping blade (301); two scraping blades (301) which are symmetrically used for scraping carbon powder on the surface of the rotating shaft (2) are fixedly connected to the lower side of each limiting block (5), and the bottoms of the scraping blades (301) are in contact with the surface of the rotating shaft (2); each wiper blade (301) is arranged in a chevron shape, seen from the top down.
8. A wind power plant with lightning protection means according to claim 7, characterized in that: also comprises a gas pipe (401); each scraping blade (301) positioned at the front side of the limiting block (5) is fixedly connected with an air pipe (401) for blowing downwards.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311010488.1A CN116717439B (en) | 2023-08-11 | 2023-08-11 | Wind generating set with lightning protection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311010488.1A CN116717439B (en) | 2023-08-11 | 2023-08-11 | Wind generating set with lightning protection device |
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| CN116717439A CN116717439A (en) | 2023-09-08 |
| CN116717439B true CN116717439B (en) | 2023-11-17 |
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| CN202311010488.1A Active CN116717439B (en) | 2023-08-11 | 2023-08-11 | Wind generating set with lightning protection device |
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| CN116717439A (en) | 2023-09-08 |
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