CN111502929A - Long service life's offshore wind power generation machine - Google Patents
Long service life's offshore wind power generation machine Download PDFInfo
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- CN111502929A CN111502929A CN202010314809.7A CN202010314809A CN111502929A CN 111502929 A CN111502929 A CN 111502929A CN 202010314809 A CN202010314809 A CN 202010314809A CN 111502929 A CN111502929 A CN 111502929A
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- service life
- mounting column
- offshore wind
- cleaning
- long service
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- 238000010248 power generation Methods 0.000 title description 2
- 238000004140 cleaning Methods 0.000 claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 32
- 230000008093 supporting effect Effects 0.000 claims abstract description 9
- 238000005086 pumping Methods 0.000 claims description 21
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 abstract description 11
- 230000007797 corrosion Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 239000013535 sea water Substances 0.000 description 14
- 230000009471 action Effects 0.000 description 4
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
-
- 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
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/043—Automatic control; Regulation by means of an electrical or electronic controller characterised by the type of control logic
-
- 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
-
- 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
- F03D80/60—Cooling or heating of wind motors
-
- 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
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/90—Mounting on supporting structures or systems
- F05B2240/95—Mounting on supporting structures or systems offshore
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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
-
- 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
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to an offshore wind driven generator with long service life, which comprises a main body, a mounting column, a cleaning mechanism and a heat dissipation mechanism, wherein the cleaning mechanism comprises an annular groove, a rotating sleeve, a rotating ring, four fixing rods, four cleaning components and at least two blades, the heat dissipation mechanism comprises a first heat conduction pipe, a second heat conduction pipe, an air exhaust cylinder, a fixing bearing, fan blades, a driving shaft, a gear and an annular rack, the cleaning components comprise a positioning unit, a sliding sleeve, a spring, a supporting rod and a cleaning brush, the positioning unit comprises a positioning groove and a positioning block, in the offshore wind driven generator with long service life, marine organisms attached to the mounting column can be cleaned through the cleaning mechanism, the corrosion speed of the mounting column is slowed down, the service life of the wind driven generator is prolonged, the heat dissipation efficiency of the wind driven generator is improved through the heat dissipation mechanism, the reliability of the wind driven generator is improved.
Description
Technical Field
The invention relates to the field of new energy equipment, in particular to an offshore wind driven generator with long service life.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity.
When the offshore wind driven generator in the prior art is used, a large amount of marine organisms can be attached to the part of the wind driven generator soaked in seawater, the corrosion speed of the wind driven generator is accelerated, the service life of the wind driven generator is shortened, and moreover, when the offshore wind driven generator in the prior art is used, the generator can generate a large amount of heat during working, so that the temperature of the generator is increased, and the working reliability of the wind driven generator is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the offshore wind driven generator with long service life is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an offshore wind driven generator with long service life comprises a main body and a mounting column, wherein the top end of the mounting column is connected with the main body;
the cleaning mechanism comprises an annular groove, a rotating sleeve, a rotating ring, four fixing rods, four cleaning assemblies and at least two blades, wherein the rotating sleeve, the rotating ring and the annular groove are coaxially arranged with the mounting column, the annular groove is formed in the periphery of the mounting column, the rotating ring is arranged inside the annular groove and is in sliding connection with the annular groove, the mounting column penetrates through the rotating sleeve, the fixing rods are perpendicular to and intersected with the axis of the mounting column, the fixing rods are circumferentially and uniformly arranged on the periphery of the rotating ring, the rotating ring is fixedly connected with the inner side of the rotating sleeve through the fixing rods, the cleaning assemblies and the fixing rods are in one-to-one correspondence, the cleaning assemblies are arranged on the fixing rods, and the blades are circumferentially and uniformly arranged on the inner walls of two ends of the rotating sleeve around the axis of the mounting column;
the heat dissipation mechanism comprises a first heat conduction pipe, a second heat conduction pipe, an air extraction cylinder, a fixed bearing, fan blades, a driving shaft, a gear and an annular rack, the annular rack is arranged on the inner wall of one end of the rotating sleeve close to the main body, the axis of the air pumping cylinder is parallel to the axis of the mounting column, the air pumping cylinder is fixedly connected with the mounting column, the driving shaft and the air pumping cylinder are coaxially arranged, the driving shaft is connected with one end of the air pumping cylinder, which is far away from the main body, through a fixed bearing, the fan blades are arranged inside the air extracting cylinder, two ends of the driving shaft are respectively and fixedly connected with the fan blades and the gear, the gear is meshed with the annular rack, one end of the second heat conduction pipe is communicated with one end of the air extraction cylinder, the other end of the second heat conduction pipe is communicated with one end of the first heat conduction pipe, the other end of the first heat conduction pipe is communicated with the other end of the air extraction cylinder, and the middle of the second heat conduction pipe is arranged inside the top end of the mounting column.
Preferably, in order to improve the automation degree of the wind turbine, P L C is provided inside the main body.
Preferably, in order to clean the erection column, the cleaning assembly comprises a positioning unit, a sliding sleeve, a spring, a supporting rod and a cleaning brush, the sliding sleeve is coaxially arranged with the fixing rod, the sliding sleeve is connected with the fixing rod in a sliding manner, the sliding sleeve is connected with the fixing rod through the positioning unit, one end, far away from the erection column, of the fixing rod is fixedly connected with the sliding sleeve through the spring, the spring is in a compressed state, the supporting rod is parallel to the axis of the erection column, the supporting rod is arranged on one side, far away from the main body, of the sliding sleeve, one end of the supporting rod is fixedly connected with the sliding sleeve, the cleaning brush is arranged on one side, close to the erection column, of the supporting rod, and the cleaning.
Preferably, in order to improve the stability of the sliding sleeve, the positioning unit includes a positioning groove and a positioning block, the positioning groove is disposed on one side of the fixing rod, the positioning block is fixedly connected to the inner wall of the sliding sleeve, the positioning block is disposed inside the positioning groove, and the positioning block is slidably connected to the positioning groove.
Preferably, in order to reduce the probability of water inflow of the air pumping cylinder, a sealing ring is arranged on the air pumping cylinder, and the air pumping cylinder is connected with the driving shaft in a sealing mode through the sealing ring.
Preferably, in order to improve heat dissipation efficiency of the wind turbine generator, a portion of the second heat transfer pipe located inside the mounting post has an S-shape.
Preferably, in order to further improve the heat dissipation efficiency of the wind turbine generator, at least two fins are arranged on the second heat conduction pipe.
Preferably, the fixing rod is coated with grease in order to improve the smoothness of the movement of the sliding sleeve.
Preferably, the mounting post is coated with an anti-corrosion coating in order to extend the useful life of the mounting post.
Preferably, in order to improve the smoothness of the rotation of the rotating ring, at least two balls are uniformly distributed on the rotating ring, and the rotating ring is in rolling connection with the annular groove through the balls.
The offshore wind driven generator with the long service life has the advantages that marine organisms attached to the mounting column can be cleaned through the cleaning mechanism, the corrosion speed of the mounting column is reduced, the service life of the wind driven generator is prolonged, compared with the existing cleaning mechanism, the cleaning mechanism provides power through the flowing of seawater, the electric energy consumption of the wind driven generator is reduced, the generated energy of the wind driven generator is increased, the heat dissipation efficiency of the wind driven generator is improved through the heat dissipation mechanism, the working reliability of the wind driven generator is improved, compared with the existing heat dissipation mechanism, the heat dissipation mechanism dissipates heat through the seawater and the wind at the same time, and the heat dissipation efficiency of the wind driven generator is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of a long-life offshore wind turbine according to the present invention;
FIG. 2 is a cross-sectional view of a long-life offshore wind turbine of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic structural view of a heat dissipation mechanism of a long-life offshore wind turbine according to the present invention;
in the figure: 1. the heat pipe comprises a main body, 2, a first heat conduction pipe, 3, a second heat conduction pipe, 4, an air pump, 5, a rotating sleeve, 6, an installation column, 7, a positioning groove, 8, an annular rack, 9, a gear, 10, a driving shaft, 11, a blade, 12, a spring, 13, a rotating ring, 14, an annular groove, 15, a fixing rod, 16, a cleaning brush, 17, a support rod, 18, a fan blade, 19, a sliding sleeve, 20, a positioning block and 21, and a fixed bearing.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an offshore wind turbine with long service life comprises a main body 1 and a mounting column 6, wherein the top end of the mounting column 6 is connected with the main body 1, and further comprises a cleaning mechanism and a heat dissipation mechanism, and the cleaning mechanism and the heat dissipation mechanism are both arranged on the mounting column 6;
marine organisms attached to the mounting column 6 can be cleaned through the cleaning mechanism, the corrosion speed of the mounting column 6 is reduced, the service life of the wind driven generator is prolonged, and moreover, the heat dissipation efficiency of the wind driven generator is improved through the heat dissipation mechanism, and the working reliability of the wind driven generator is improved;
as shown in fig. 2 to 3, the cleaning mechanism includes an annular groove 14, a rotary sleeve 5, a rotary ring 13, four fixing bars 15, four cleaning assemblies and at least two blades 11, the rotating sleeve 5, the rotating ring 13 and the annular groove 14 are all arranged coaxially with the mounting column 6, the annular groove 14 is arranged on the periphery of the mounting column 6, the rotating ring 13 is arranged inside the annular groove 14, the rotating ring 13 is connected with the annular groove 14 in a sliding way, the mounting column 6 passes through the rotating sleeve 5, the fixing rods 15 are perpendicular to and intersected with the axis of the mounting column 6, each fixing rod 15 is uniformly arranged on the periphery of the rotating ring 13 in the circumferential direction, the rotating ring 13 is fixedly connected with the inner side of the rotating sleeve 5 through fixing rods 15, the cleaning components correspond to the fixing rods 15 one by one, the cleaning components are arranged on the fixed rod 15, and the blades 11 are uniformly arranged on the inner walls of the two ends of the rotating sleeve 5 in the circumferential direction around the axis of the mounting column 6;
under the limiting action of the annular groove 14, the stability of connection between the rotating ring 13 and the mounting column 6 is improved, the stability of the rotating sleeve 5 is improved under the supporting action of the fixing rod 15, when seawater rises and falls, seawater flows between the rotating sleeve 5 and the mounting column 6, the blades 11 are driven to rotate by seawater, the rotating sleeve 5 is driven to rotate by the blades 11, the fixing rod 15 drives the cleaning component to rotate, the mounting column 6 is cleaned by the cleaning component, the number of marine organisms attached to the mounting column 6 is reduced, the corrosion speed of the mounting column 6 is reduced, and the service life of the wind driven generator is prolonged;
as shown in fig. 2 and 4, the heat dissipation mechanism includes a first heat pipe 2, a second heat pipe 3, an air extractor 4, a fixed bearing 21, a fan blade 18, a driving shaft 10, a gear 9 and an annular rack 8, the annular rack 8 is disposed on an inner wall of the rotating sleeve 5 near one end of the main body 1, an axis of the air extractor 4 is parallel to an axis of the mounting post 6, the air extractor 4 is fixedly connected to the mounting post 6, the driving shaft 10 is disposed coaxially with the air extractor 4, the driving shaft 10 is connected to one end of the air extractor 4 far from the main body 1 through the fixed bearing 21, the fan blade 18 is disposed inside the air extractor 4, two ends of the driving shaft 10 are fixedly connected to the fan blade 18 and the gear 9 respectively, the gear 9 is engaged with the annular rack 8, one end of the second heat pipe 3 is communicated with one end of the air extractor 4, and the other end of the second heat pipe 3 is communicated with one end of the first heat pipe, the other end of the first heat conduction pipe 2 is communicated with the other end of the air extraction cylinder 4, and the middle part of the second heat conduction pipe 3 is arranged inside the top end of the mounting column 6;
the stability of the drive shaft 10 is improved by the fixed bearing 21, the annular rack 8 is driven to rotate by the rotating sleeve 5, the gear 9 is driven to rotate by the annular rack 8, under the transmission action of the driving shaft 10, the fan blade 18 is driven to rotate through the gear 9, and then the air flow in the suction cylinder 4 is driven through the fan blade 18, air is circulated among first heat exchanger tube 2, second heat exchanger tube 3, and air suction cylinder 4, and, in practice, first heat exchanger tube 2 is immersed in seawater, the heat inside the mounting post 6 is absorbed by the second heat conductive pipe 3, and then dissipated by the first heat conductive pipe 2, the heat dissipation of the interior of the mounting column 6 is realized, the working temperature of the wind driven generator is reduced, the working reliability of the wind driven generator is improved, meanwhile, heat on the first heat conduction pipe 2 and the second heat conduction pipe 3 is dissipated through wind power, and the heat dissipation efficiency of the wind driven generator is further improved.
Preferably, in order to improve the automation degree of the wind power generator, P L C is arranged inside the main body 1;
the P L C programmable logic controller adopts a programmable memory for storing program therein, executing instructions for user facing logical operation, sequence control, timing, counting and arithmetic operation, etc. and controlling various types of machinery or production processes by digital or analog input/output, it is a computer specially used for industrial control, its hardware structure is basically the same as that of microcomputer, it is generally used for data processing and instruction receiving and outputting, it is used for implementing central control, and it can control wind-driven generator operation by P L C, and can raise automation degree of wind-driven generator.
As shown in fig. 3, the cleaning assembly includes a positioning unit, a sliding sleeve 19, a spring 12, a support rod 17 and a cleaning brush 16, the sliding sleeve 19 is disposed coaxially with the fixed rod 15, the sliding sleeve 19 is slidably connected with the fixed rod 15, the sliding sleeve 19 is connected with the fixed rod 15 through the positioning unit, one end of the fixed rod 15 away from the mounting post 6 is fixedly connected with the sliding sleeve 19 through the spring 12, the spring 12 is in a compressed state, the support rod 17 is parallel to the axis of the mounting post 6, the support rod 17 is disposed on one side of the sliding sleeve 19 away from the main body 1, one end of the support rod 17 is fixedly connected with the sliding sleeve 19, the cleaning brush 16 is disposed on one side of the support rod 17 close to the mounting post 6, and the cleaning brush 16 abuts against the mounting post 6;
improved the stability that sliding sleeve 19 and bracing piece 17 are connected through the positioning unit, then improved the stability of cleaning brush 16 through bracing piece 17, rotate through dead lever 15 drive cleaning brush 16, then clean erection column 6 through cleaning brush 16, simultaneously through the spring action of spring 12, promote sliding sleeve 19 and remove to the direction that is close to erection column 6 along dead lever 15, make cleaning brush 16 closely support with erection column 6 and lean on, improved the clean effect of cleaning brush 16 to erection column 6.
As shown in fig. 3, the positioning unit includes a positioning slot 7 and a positioning block 20, the positioning slot 7 is disposed at one side of the fixing rod 15, the positioning block 20 is fixedly connected to the inner wall of the sliding sleeve 19, the positioning block 20 is disposed inside the positioning slot 7, and the positioning block 20 is slidably connected to the positioning slot 7;
through the mutual limiting action between the positioning groove 7 and the positioning block 20, the probability that the sliding sleeve 19 rotates along the axis of the fixing rod 15 is reduced, and the stability of the supporting rod 17 is improved through the sliding sleeve 19.
Preferably, in order to reduce the probability of water inflow of the air pumping cylinder 4, a sealing ring is arranged on the air pumping cylinder 4, and the air pumping cylinder 4 is connected with the driving shaft 10 in a sealing manner through the sealing ring;
the clearance between the air pumping cylinder 4 and the driving shaft 10 is reduced through the sealing ring, the probability that seawater enters the inside of the air pumping cylinder 4 is reduced, and the probability that the air pumping cylinder 4 enters water is reduced.
Preferably, in order to improve the heat dissipation efficiency of the wind turbine, a portion of the second heat transfer pipe 3 located inside the mounting column 6 has an S-shape;
the area of the part of the second heat conduction pipe 3 inside the mounting column 6 is increased through the S-shaped second heat conduction pipe 3, the heat conduction efficiency of the second heat conduction pipe 3 is improved, and the heat radiation efficiency of the wind driven generator is improved.
Preferably, in order to further improve the heat dissipation efficiency of the wind turbine, at least two fins are arranged on the second heat transfer pipe 3;
the heat conduction area of the second heat conduction pipe 3 is increased through the fins, the heat conduction efficiency of the second heat conduction pipe 3 is improved, and the heat dissipation efficiency of the wind driven generator is further improved.
Preferably, in order to improve the smoothness of the movement of the sliding sleeve 19, the fixing rod 15 is coated with grease;
the friction between the sliding sleeve 19 and the fixed rod 15 is reduced by the grease, and the smoothness of the movement of the sliding sleeve 19 is improved.
Preferably, in order to prolong the service life of the mounting post 6, the mounting post 6 is coated with an anti-corrosion coating;
the corrosion speed of the mounting column 6 is slowed down through the anti-corrosion coating, and the service life of the mounting column 6 is prolonged.
Preferably, in order to improve the smoothness of the rotation of the rotating ring 13, at least two balls are uniformly distributed on the rotating ring 13, and the rotating ring 13 is in rolling connection with the annular groove 14 through the balls;
the frictional force between the rotating ring 13 and the annular groove 14 is reduced by the balls, and the smoothness of the rotation of the rotating ring 13 is improved.
In the process of the seawater rising and falling tide, the seawater flows through between the rotating sleeve 5 and the mounting column 6, the blades 11 are driven to rotate by the seawater, the rotating sleeve 5 is driven to rotate by the blades 11, the cleaning component is driven to rotate by the fixing rod 15, the mounting column 6 is cleaned by the cleaning component, the quantity of marine organisms attached to the mounting column 6 is reduced, the corrosion speed of the mounting column 6 is slowed down, the service life of the wind driven generator is prolonged, the annular rack 8 is driven to rotate by the rotating sleeve 5, the gear 9 is driven to rotate by the annular rack 8, the fan blades 18 are driven to rotate by the gear 9 under the transmission action of the driving shaft 10, the air in the air pumping cylinder 4 is driven to flow by the fan blades 18, the air circularly flows among the first heat conduction pipe 2, the second heat conduction pipe 3 and the air pumping cylinder 4, and actually, the first heat conduction pipe 2 is soaked in the seawater, absorb the inside heat of erection column 6 through second heat pipe 3, later through first heat pipe 2 with the heat give off, then realized giving off the inside heat dissipation of erection column 6, reduced aerogenerator's operating temperature, improved aerogenerator reliability of working, give off the heat on first heat pipe 2 and the second heat pipe 3 through wind-force simultaneously, further improved aerogenerator's radiating efficiency.
Compared with the prior art, in the offshore wind driven generator with long service life, marine organisms attached to the mounting column 6 can be cleaned through the cleaning mechanism, the corrosion speed of the mounting column 6 is reduced, the service life of the wind driven generator is prolonged, compared with the existing cleaning mechanism, the cleaning mechanism provides power through the flowing of seawater, the electric energy consumption of the wind driven generator is reduced, the generated energy of the wind driven generator is increased, not only is the heat dissipation efficiency of the wind driven generator improved through the heat dissipation mechanism, the working reliability of the wind driven generator is improved, compared with the existing heat dissipation mechanism, the heat dissipation mechanism dissipates heat through seawater and wind simultaneously, and the heat dissipation efficiency of the wind driven generator is improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. An offshore wind driven generator with long service life comprises a main body (1) and a mounting column (6), wherein the top end of the mounting column (6) is connected with the main body (1), and the offshore wind driven generator is characterized by further comprising a cleaning mechanism and a heat dissipation mechanism, wherein the cleaning mechanism and the heat dissipation mechanism are both arranged on the mounting column (6);
the cleaning mechanism comprises an annular groove (14), a rotating sleeve (5), a rotating ring (13), four fixing rods (15), four cleaning components and at least two blades (11), wherein the rotating sleeve (5), the rotating ring (13) and the annular groove (14) are coaxially arranged with an installation column (6), the annular groove (14) is arranged on the periphery of the installation column (6), the rotating ring (13) is arranged inside the annular groove (14), the rotating ring (13) is in sliding connection with the annular groove (14), the installation column (6) penetrates through the rotating sleeve (5), the fixing rods (15) are perpendicular to and intersected with the axis of the installation column (6), the circumferential directions of the fixing rods (15) are uniformly arranged on the periphery of the rotating ring (13), the rotating ring (13) is fixedly connected with the inner side of the rotating sleeve (5) through the fixing rods (15), the cleaning components correspond to the fixing rods (15) one by one, the cleaning assembly is arranged on the fixed rod (15), and the blades (11) are uniformly arranged on the inner walls of the two ends of the rotating sleeve (5) in the circumferential direction around the axis of the mounting column (6);
the heat dissipation mechanism comprises a first heat pipe (2), a second heat pipe (3), an air pumping cylinder (4), a fixed bearing (21), fan blades (18), a driving shaft (10), a gear (9) and an annular rack (8), wherein the annular rack (8) is arranged on the inner wall of one end, close to the main body (1), of the rotating sleeve (5), the axis of the air pumping cylinder (4) is parallel to the axis of the mounting column (6), the air pumping cylinder (4) is fixedly connected with the mounting column (6), the driving shaft (10) and the air pumping cylinder (4) are coaxially arranged, the driving shaft (10) is connected with one end, far away from the main body (1), of the air pumping cylinder (4) through the fixed bearing (21), the fan blades (18) are arranged inside the air pumping cylinder (4), two ends of the driving shaft (10) are respectively and fixedly connected with the fan blades (18) and the gear (9), and the gear (9) is meshed with the annular rack (8), one end of the second heat conduction pipe (3) is communicated with one end of the air extraction cylinder (4), the other end of the second heat conduction pipe (3) is communicated with one end of the first heat conduction pipe (2), the other end of the first heat conduction pipe (2) is communicated with the other end of the air extraction cylinder (4), and the middle of the second heat conduction pipe (3) is arranged inside the top end of the mounting column (6).
2. Offshore wind turbine with long service life, according to claim 1, characterized by the fact that inside said body (1) there is P L C.
3. An offshore wind turbine with a long service life according to claim 1, characterized in that the cleaning assembly comprises a positioning unit, a sliding sleeve (19), a spring (12), a support rod (17) and a cleaning brush (16), the sliding sleeve (19) is coaxially arranged with the fixing rod (15), the sliding sleeve (19) is slidably connected with the fixing rod (15), the sliding sleeve (19) is connected with the fixing rod (15) through the positioning unit, one end of the fixing rod (15) far away from the mounting post (6) is fixedly connected with the sliding sleeve (19) through the spring (12), the spring (12) is in a compressed state, the support rod (17) is parallel to the axis of the mounting post (6), the support rod (17) is arranged at one side of the sliding sleeve (19) far away from the main body (1), one end of the support rod (17) is fixedly connected with the sliding sleeve (19), the cleaning brush (16) is arranged on one side, close to the mounting column (6), of the supporting rod (17), and the cleaning brush (16) abuts against the mounting column (6).
4. An offshore wind turbine having a long service life according to claim 3, characterized in that the positioning unit comprises a positioning slot (7) and a positioning block (20), the positioning slot (7) is arranged at one side of the fixing rod (15), the positioning block (20) is fixedly connected with the inner wall of the sliding sleeve (19), the positioning block (20) is arranged inside the positioning slot (7), and the positioning block (20) is slidably connected with the positioning slot (7).
5. An offshore wind turbine having an extended lifetime, according to claim 1, characterized in that said suction cylinder (4) is provided with a sealing ring, said suction cylinder (4) being sealingly connected to said drive shaft (10) by means of said sealing ring.
6. An offshore wind turbine having a long service life, according to claim 1, characterized in that the portion of said second heat conducting pipe (3) located inside the mounting column (6) is S-shaped.
7. An offshore wind turbine having a long service life, according to claim 1, characterized in that said second heat conducting pipe (3) is provided with at least two fins arranged in an array.
8. Offshore wind turbine with long service life according to claim 1, characterized by the fact that said fixing rods (15) are coated with grease.
9. An offshore wind turbine having a long service life, according to claim 1, characterized in that said mounting post (6) is coated with an anti-corrosive coating.
10. An offshore wind turbine having an increased service life according to claim 1, characterized in that said rotating ring (13) has at least two balls distributed uniformly thereon, said rotating ring (13) being in rolling connection with said annular groove (14) by means of said balls.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314809.7A CN111502929A (en) | 2020-04-21 | 2020-04-21 | Long service life's offshore wind power generation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010314809.7A CN111502929A (en) | 2020-04-21 | 2020-04-21 | Long service life's offshore wind power generation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111502929A true CN111502929A (en) | 2020-08-07 |
Family
ID=71869432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010314809.7A Withdrawn CN111502929A (en) | 2020-04-21 | 2020-04-21 | Long service life's offshore wind power generation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111502929A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428121A (en) * | 2023-03-20 | 2023-07-14 | 山东德瑞防腐材料有限公司 | Marine anti-corrosion fan with inner and outer protection multi-channel monitoring and remote control functions |
-
2020
- 2020-04-21 CN CN202010314809.7A patent/CN111502929A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116428121A (en) * | 2023-03-20 | 2023-07-14 | 山东德瑞防腐材料有限公司 | Marine anti-corrosion fan with inner and outer protection multi-channel monitoring and remote control functions |
| CN116428121B (en) * | 2023-03-20 | 2024-05-10 | 山东德瑞防腐材料有限公司 | Marine anti-corrosion fan with inner and outer protection multi-channel monitoring and remote control functions |
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