CN114607553B - Fan blade capable of automatically changing warning color for birds - Google Patents
Fan blade capable of automatically changing warning color for birds Download PDFInfo
- Publication number
- CN114607553B CN114607553B CN202210371010.0A CN202210371010A CN114607553B CN 114607553 B CN114607553 B CN 114607553B CN 202210371010 A CN202210371010 A CN 202210371010A CN 114607553 B CN114607553 B CN 114607553B
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- China
- Prior art keywords
- fan blade
- birds
- flabellum
- color
- shaped fixing
- 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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- 241000883990 Flabellum Species 0.000 claims abstract description 30
- 238000000576 coating method Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 8
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000007306 turnover Effects 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 5
- 239000003086 colorant Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 abstract 1
- 208000014674 injury Diseases 0.000 abstract 1
- 230000002441 reversible effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 230000002940 repellent Effects 0.000 description 7
- 239000005871 repellent Substances 0.000 description 7
- 238000005457 optimization Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000036626 alertness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Classifications
-
- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
- A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
- A01M29/06—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like
- A01M29/08—Scaring or repelling devices, e.g. bird-scaring apparatus using visual means, e.g. scarecrows, moving elements, specific shapes, patterns or the like using reflection, colours or films with specific transparency or reflectivity
-
- 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
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Birds (AREA)
- Insects & Arthropods (AREA)
- Pest Control & Pesticides (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
The invention relates to a fan blade capable of automatically changing warning colors for birds, which comprises a blade main body, wherein both side surfaces of the blade main body, which are close to the end parts, are provided with color-changing warning structures, each color-changing warning structure comprises a U-shaped fixing plate fixed on the surface of the blade main body, a plurality of reversible shutter plates are arranged in the U-shaped fixing plate, both sides of each shutter plate are respectively provided with a red coating and a blue coating, the shutter plates are turned by wind power, and a communication groove is formed between both sides of the blade main body. This fan flabellum passes through the air current of fan flabellum tip and drives small-size flabellum rotation to turn into reciprocating motion with small-size flabellum rotary motion through transmission, make the coating warning color's tripe board can be repeated upset, and dynamic upset process can effectively improve the vigilance of birds, and red and blue are the color that birds are comparatively afraid simultaneously, arouse birds vigilance more, thereby make birds change advancing direction, avoid the flabellum, reduce the injury of fan flabellum tip to birds.
Description
Technical Field
The invention belongs to the technical field of wind power generation and ecological environmental protection, and particularly relates to a fan blade capable of automatically changing warning colors for birds.
Background
The working principle of the wind driven generator is simple, the wind wheel rotates under the action of wind force, the kinetic energy of wind is converted into mechanical energy of the wind wheel shaft, and the generator rotates to generate electricity under the drive of the wind wheel shaft. Large wind farms have hundreds of wind turbines and collisions with wind turbines are a direct cause of bird death for the wind farm. The rotating height range of the fan blade is generally 40-120m, if a bird encounters a wind turbine in flight and cannot change the route in time, the fan blade has high impact risk and is more harmful to large birds.
The bird repellent device commonly used for wind driven generators is an ultrasonic bird repellent device arranged near a turbine, the attenuation of ultrasonic waves along with the increase of distance is faster, the bird repellent effect is poor, the effect of placing the bird repellent device at the end part of a fan blade is still poor because the linear speed of the end part of the fan blade is faster, birds are generally difficult to alert and are easy to collide.
Disclosure of Invention
The invention aims to solve the problems and provide the fan blade which has a simple structure and reasonable design and can automatically change the warning color aiming at birds.
The invention realizes the above purpose through the following technical scheme:
The utility model provides a fan flabellum to birds can change warning color automatically, includes the flabellum main part, the both sides surface that the flabellum main part is close to the tip all is provided with the warning structure that discolours, and the warning structure that discolours is including fixing the U type fixed plate on flabellum main part surface to a plurality of tripe board that can overturn in U type fixed plate, the both sides of tripe board are provided with red coating and blue coating respectively, the tripe board is overturned by wind-force drive, the intercommunication groove has been seted up between the both sides of flabellum main part to be provided with the rotatory small-size flabellum of wind-receiving in the inside in intercommunication groove, turn into reciprocating type operation with the rotation of small-size flabellum through transmission structure and drive the tripe board and overturn in succession, small-size flabellum still is provided with rotational speed control structure simultaneously for prevent that the rotational speed is too high.
As a further optimization scheme of the invention, two cylinders for bearing small fan blades are arranged at the center of the communication groove, the cylinders are fixed in the communication groove through spokes, the two cylinders are rotatably connected with the same rotating shaft through bearings, and the small fan blades are fixed on the surface of the rotating shaft.
As a further optimization scheme of the invention, the U-shaped fixing plate is fixed on the surface of the fan blade main body through a plurality of bolts, the shutter plate is rotationally connected on the surface of the U-shaped fixing plate through a rotating rod, a gear is arranged at the end part of the rotating rod, a sliding groove is formed in one side of the U-shaped fixing plate, a sliding rod is connected in the sliding groove in a sliding manner, and a tooth slot meshed with the gear is formed in the surface of the sliding rod.
As a further optimization scheme of the invention, the transmission structure comprises a rotating wheel fixed at the end part of the rotating shaft, a convex rod is fixedly connected to the side surface of the rotating wheel close to the edge, a hinging rod is hinged to the surface of the convex rod, and the sliding rod is hinged to the hinging rod.
As a further optimization scheme of the invention, the surfaces of the two end sides of the rotating shaft are fixedly connected with a plurality of round rods extending along the radial direction of the rotating shaft, the end parts of the round rods are sleeved with balance weight sleeves, the surfaces of the balance weight sleeves and the rotating shaft are fixedly connected with deceleration arc plates, and the balance weight sleeves are connected with the rotating shaft through tension springs.
As a further optimization scheme of the invention, the inner wall surface of the cylinder is provided with a friction layer which is matched with the outer surface of the deceleration arc plate and is in contact arrangement.
As a further optimization scheme of the invention, the rotation angle of the shutter plate ranges from 0 degrees to 180 degrees.
The invention has the beneficial effects that:
1) According to the invention, the small fan blades are driven to rotate by the air flow at the end parts of the fan blades, and the small fan blades are converted into reciprocating motion by the transmission device, so that the shutter plates coated with warning colors can be repeatedly turned over, the warning of birds can be effectively improved in the dynamic turning process, meanwhile, red and blue are the colors which are afraid of birds, and the warning of birds is more caused, so that the birds change the advancing direction, the fan blades are avoided, and the damage of the end parts of the fan blades to the birds is reduced;
2) The invention maintains the rotation of the rotating shaft at a relatively stable frequency by arranging the rotating speed control structure, limits the rotating speed of the rotating shaft, can effectively reduce the working frequency of parts, prevents the loss of the parts caused by too high rotating speed, and plays a role in limiting the rotating speed in a centrifugal force braking mode due to the complex airflow at the end part of the fan blade main body.
Drawings
FIG. 1 is a schematic view of a fan blade according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of part B of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the rotational speed control structure of the present invention;
FIG. 5 is a schematic diagram of a color changing warning structure according to the present invention;
FIG. 6 is a schematic diagram illustrating the operation of the color-changing warning structure of the present invention;
FIG. 7 is a sectional view showing the internal structure of the U-shaped fixing plate of the present invention;
In the figure: 1. a fan blade body; 21. a communication groove; 22. spokes; 23. a cylinder; 24. a bearing; 25. a rotating shaft; 26. a rotating wheel; 27. a protruding rod; 28. a hinge rod; 29. small fan blades; 31. a U-shaped fixing plate; 32. a chute; 33. a slide bar; 34. tooth slots; 35. a gear; 36. a rotating rod; 37. a louver board; 38. a red coating; 39. a blue coating; 41. a round bar; 42. a tension spring; 43. a counterweight sleeve; 44. and a deceleration arc plate.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.
Example 1
As shown in fig. 1-7, a fan blade capable of automatically changing warning color for birds comprises a blade main body 1, wherein both side surfaces of the blade main body 1, which are close to the end parts, are provided with color-changing warning structures, each color-changing warning structure comprises a U-shaped fixing plate 31 fixed on the surface of the blade main body 1, a plurality of turnover shutter plates 37 are arranged in the U-shaped fixing plate 31, both sides of each shutter plate 37 are respectively provided with a red coating 38 and a blue coating 39, each shutter plate 37 is turned by wind power, a communication groove 21 is formed between both sides of the blade main body 1, a small fan blade 29 which rotates by wind is arranged in the communication groove 21, the rotation of the small fan blade 29 is converted into reciprocating operation through a transmission structure to drive the shutter plates 37 to continuously turn, meanwhile, the small fan blade 29 is also provided with a rotating speed control structure for preventing the rotating speed from being too high, the tip linear velocity of flabellum main part 1 is too high to supersound bird repellent device is along with the distance increase decay rapidly, the bird repellent effect at flabellum main part 1 tip is very little, at the rotatory in-process of flabellum main part 1, drive small-size flabellum 29 through natural air current and rotate, and convert small-size flabellum 29 rotary motion into reciprocating motion through transmission, make the tripe 37 of application warning colour can overturn repeatedly, dynamic upset process can effectively improve the alertness of birds, red and blue are the colour that birds are afraid more simultaneously, arouse birds alertness more, improve the bird repellent effect, and the air current disorder of flabellum main part 1 tip is complicated, in order to prevent that small-size flabellum 29 rotational speed from leading to spare part wearing and tearing with higher speed, speed control structure has been set up in small-size flabellum 29's pivot 25, reduce through centrifugal force when the rotational speed is the piece.
The center department of intercommunication groove 21 is provided with two cylinders 23 that bear small-size flabellum 29, and cylinder 23 passes through spoke 22 to be fixed in the inside of intercommunication groove 21, and the inside of two cylinders 23 is connected with same pivot 25 through bearing 24 rotation, and small-size flabellum 29 is fixed on pivot 25 surface, and spoke 22's effect is fixed cylinder 23, provides the loading platform for small-size flabellum 29, plays the effect of protecting small-size flabellum 29 simultaneously.
The U-shaped fixing plate 31 is fixed on the surface of the fan blade main body 1 through a plurality of bolts, the louver plates 37 are rotationally connected on the surface of the U-shaped fixing plate 31 through the rotating rods 36, the gears 35 are arranged at the end parts of the rotating rods 36, the sliding grooves 32 are formed in one side of the U-shaped fixing plate 31, the sliding rods 33 are slidably connected in the sliding grooves 32, tooth grooves 34 meshed with the gears 35 are formed in the surface of the sliding rods 33, the U-shaped fixing plate 31 is used for fixing a plurality of rotatable louver plates 37, the louver plates 37 are rotationally connected inside the U-shaped fixing plate 31 through the rotating rods 36 and are sequentially arranged, and the rotating rods 36 are fixed on one long edge of the louver plates 37 to facilitate overturning of the louver plates 37.
The transmission structure comprises a rotating wheel 26 fixed at the end part of a rotating shaft 25, a convex rod 27 is fixedly connected to the side surface of the rotating wheel 26 close to the edge, a hinge rod 28 is hinged to the surface of the convex rod 27, a sliding rod 33 is hinged to the hinge rod 28, the transmission structure is used for converting rotation into reciprocating motion through the rotating wheel 26 and the convex rod 27, the motion track of the convex rod 27 is circular, the diameter of the track of the convex rod is equal to half of the circumference of a gear 35, and the gear 35 just makes 180-degree reciprocating rotation once every time the convex rod 27 runs for one period.
The both ends side surface of pivot 25 is all fixedly connected with a plurality of along the radial round bar 41 that extends of pivot 25, the tip of round bar 41 has cup jointed counter weight sleeve 43, the fixed surface of counter weight sleeve 43 and is connected with speed reduction arc board 44, link to each other through extension spring 42 between counter weight sleeve 43 and the pivot 25, the inner wall surface of drum 23 is provided with the friction layer, the friction layer coincide with the surface of speed reduction arc board 44, and the contact sets up, counter weight sleeve 43 makes speed reduction arc board 44 can not contact with drum 23 inner wall under the effect of extension spring 42, when the pivot 25 rotational speed is too fast, through centrifugal force speed reduction arc board 44 and drum 23 inner wall contact, produce friction speed reduction, wherein centrifugal force is bigger, the frictional force is bigger, until reaching equilibrium.
The shutter 37 rotates through an angle ranging from 0 deg. -180 deg., and can be turned over continuously to display a red-blue coating.
The implementation mode specifically comprises the following steps: in the running process of the wind driven generator, wind blows the fan blades to rotate, the wind blows the fan blades to be connected into the turbine through a gearbox for generating electricity, the fan blade main body 1 rotates, the linear speed of the end part of the fan blade main body is faster, nearby airflow is disordered, damage to birds is serious, when the airflow passes through the communicating groove 21, the small fan blades 29 rotate under the blowing of the airflow, the small fan blades 29 drive the rotating wheel 26 to rotate through the rotating shaft 25, the convex rods 27 arranged on the side surfaces of the rotating wheel 26 drive the hinging rods 28 to reciprocate, the sliding rods 33 hinged with the other ends of the hinging rods 28 slide reciprocally along the sliding grooves 32, the tooth grooves 34 arranged on the surfaces of the sliding rods 33 drive the gears 35 to reciprocally rotate, the rotating range of the gears 35 is 0-180 degrees, the gears 35 drive the louver plates 37 to repeatedly overturn through the rotating rods 36, the red coating 38 and the blue coating 39 on the two sides of the louver plates 37 are in the color which the birds are afraid, and the attention of the birds is more drawn in the dynamic overturning process, so that the birds change the advancing direction, the fan blades avoid the damage to the birds by the fan blade ends.
Because the air current at the end part of the fan blade main body 1 is complicated, the rotating speed of the small fan blade 29 may be too fast, so that part of parts work at higher frequency, and the service life is shortened, therefore, a rotating speed control structure is arranged between the rotating shaft 25 and the cylinder 23, when the rotating speed of the rotating shaft 25 is too fast, the counterweight sleeve 43 diverges outwards under the action of centrifugal force, the deceleration arc plate 44 contacts with the inner wall of the cylinder 23 to generate friction, the higher the rotating speed is, the larger the positive pressure of the deceleration arc plate 44 and the inner wall of the cylinder 23 is, the larger the friction force is until the rotating speed reaches balance, and when the rotating speed of the rotating shaft 25 is slower, the deceleration arc plate 44 cannot contact with the inner wall of the cylinder 23 under the action of the tension spring 42, so that the rotating speed of the rotating shaft 25 is limited, the working frequency of the parts can be effectively reduced, and the part loss caused by the too fast rotating speed is prevented.
The foregoing examples illustrate only a few embodiments of the invention and are described in detail herein without thereby limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention.
Claims (4)
1. The utility model provides a fan flabellum to birds can change warning look automatically, includes flabellum main part (1), its characterized in that: the novel fan blade comprises a fan blade body (1), wherein color-changing warning structures are arranged on the surfaces of the two sides, close to the end parts, of the fan blade body (1), each color-changing warning structure comprises a U-shaped fixing plate (31) fixed on the surface of the fan blade body (1), a plurality of turnover shutter plates (37) are arranged in the U-shaped fixing plates (31), red coatings (38) and blue coatings (39) are respectively arranged on the two sides of the shutter plates (37), a communication groove (21) is formed between the two sides of the fan blade body (1), a small fan blade (29) which rotates by wind is arranged in the communication groove (21), the rotation of the small fan blade (29) is converted into reciprocating operation through a transmission structure to drive the shutter plates (37) to continuously turn, and meanwhile, a rotating speed control structure is further arranged on the small fan blade (29) and used for preventing the rotating speed from being too high;
The U-shaped fixing plate (31) is fixed on the surface of the fan blade main body (1) through a plurality of bolts, the shutter plate (37) is rotationally connected to the surface of the U-shaped fixing plate (31) through a rotating rod (36), a gear (35) is arranged at the end part of the rotating rod (36), a sliding groove (32) is formed in one side of the U-shaped fixing plate (31), a sliding rod (33) is connected in the sliding groove (32) in a sliding mode, and tooth grooves (34) meshed with the gear (35) are formed in the surface of the sliding rod (33);
the transmission structure comprises a rotating wheel (26) fixed at the end part of the rotating shaft (25), a convex rod (27) is fixedly connected to the side surface of the rotating wheel (26) close to the edge, a hinging rod (28) is hinged to the surface of the convex rod (27), and the sliding rod (33) is hinged to the hinging rod (28);
both ends side surface of pivot (25) all fixedly connected with a plurality of along pivot (25) radial extension's round bar (41), counter weight sleeve (43) have been cup jointed to the tip of round bar (41), counter weight sleeve (43) and fixed surface are connected with deceleration arc board (44), link to each other through extension spring (42) between counter weight sleeve (43) and pivot (25).
2. The fan blade of claim 1, wherein the warning color of the fan blade can be automatically changed for birds, and the fan blade is characterized in that: the center department of intercommunication groove (21) is provided with two drum (23) that bear small-size flabellum (29), and drum (23) are fixed in the inside of intercommunication groove (21) through spoke (22), and the inside of two drum (23) is connected with same pivot (25) through bearing (24) rotation, small-size flabellum (29) are fixed in pivot (25) surface.
3. The fan blade capable of automatically changing warning color for birds according to claim 2, wherein: the inner wall surface of the cylinder (23) is provided with a friction layer which is matched with the outer surface of the deceleration arc plate (44) and is in contact arrangement.
4. The fan blade of claim 1, wherein the warning color of the fan blade can be automatically changed for birds, and the fan blade is characterized in that: the shutter plate (37) has a rotation angle ranging from 0 DEG to 180 deg.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210031964 | 2022-01-12 | ||
| CN2022100319647 | 2022-01-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114607553A CN114607553A (en) | 2022-06-10 |
| CN114607553B true CN114607553B (en) | 2024-04-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210371010.0A Active CN114607553B (en) | 2022-01-12 | 2022-04-11 | Fan blade capable of automatically changing warning color for birds |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114607553B (en) |
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| CN114607553A (en) | 2022-06-10 |
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