CN210889193U

CN210889193U - Wind generating set with serially-connected fan blades

Info

Publication number: CN210889193U
Application number: CN201921715290.2U
Authority: CN
Inventors: 朱瑜鑫; 管进
Original assignee: Jiangsu Avian New Energy Technology Co ltd
Current assignee: Jiangsu Avian New Energy Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-06-30
Anticipated expiration: 2029-10-14

Abstract

The utility model discloses a fan blade polyphone formula wind generating set, including the support column, the fixed case of top fixedly connected with of support column, the inner wall fixed mounting of fixed case has the generator, and the top fixedly connected with fixed plate of fixed case, the fixed surface of fixed plate install fixing bearing, fixing bearing's inner circle fixedly connected with pivot. This fan blade tandem type wind generating set, through setting up fan blade controlling means, when using, wind speed sensor transmits the wind speed information of monitoring for can compiling the PLC controller, can compile PLC controller received information after, according to control servo motor corotation or reversal regulation, servo motor's output shaft passes through the shaft coupling and drives the worm and rotate, the worm drives the worm wheel and rotates, the worm wheel drives the connecting axle and rotates, through rotating the angle of connecting axle regulation blade, the control blade drives the rotational speed of install bin, the backup pad, mounting disc and pivot, thereby have the characteristics of automatic control pivot rotational speed.

Description

Wind generating set with serially-connected fan blades

Technical Field

The utility model relates to a aerogenerator technical field, more specifically say, it relates to a fan blade polyphone formula wind generating set.

Background

The wind driven generator is a device for converting wind energy into electric energy, and mainly comprises blades, a generator, mechanical parts and electrical parts. According to the difference of rotating shafts, wind driven generators are mainly divided into two types, namely horizontal shaft wind driven generators and vertical shaft wind driven generators, and the horizontal shaft wind driven generators in the current market occupy the mainstream position.

At present, fan blades on most wind driven generators are distributed in an annular array mode through three blades, when the wind driven generators work, the wind driven generators are high in self height and prone to being struck by lightning when encountering thunderstorm weather during working, but when lightning protection devices are installed on existing wind driven generators, most of the existing wind driven generators can only achieve lightning protection on generator cases, effective lightning protection on the blades cannot be achieved, and when wind energy is converted into electric energy through rotation of the fan blades, the fan blades are needed to drive a generator shaft to rotate, due to instability and unpredictability of wind power, braking devices can be installed inside most of the wind driven generators, runaway is prevented, the rotating speed of the generator shaft is controlled by simply relying on the braking devices, damage to the generator shaft is prone to being caused by emergency braking, and therefore the wind driven generator set with the serially connected fan blades is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a fan blade polyphone formula wind generating set, its characteristics that have lightning-arrest effectual and automatically regulated pivot rotational speed.

In order to achieve the above purpose, the utility model provides a following technical scheme:

a wind generating set with serially connected blades comprises a supporting column, wherein the top of the supporting column is fixedly connected with a fixing box, a generator is fixedly arranged on the inner wall of the fixing box, the top of the fixing box is fixedly connected with a fixing plate, a fixing bearing is fixedly arranged on the surface of the fixing plate, the inner ring of the fixing bearing is fixedly connected with a rotating shaft, one end of the rotating shaft penetrates through and extends to the inner wall of the fixing box, and one end of the rotating shaft is fixedly connected with a generator shaft of the generator through a coupler;

the surface of the rotating shaft is fixedly sleeved with mounting discs, the surfaces of the two mounting discs are fixedly connected with fixing rods, the fixing rods are distributed in an annular array by taking the axis of the mounting discs as the center, the top of one of the mounting discs is fixedly connected with a top plate, the surface of the top plate is fixedly connected with a fixing column, and the top of the fixing column is fixedly provided with a lightning rod;

the surface fixed mounting of mounting disc has fan blade controlling means, and fan blade controlling means includes install bin and backup pad, and the one end of install bin and backup pad all is connected with the surface fixed of mounting disc.

Furthermore, the two installation boxes and the support plate are symmetrically distributed by taking the axis of the rotating shaft as the center, the surface of each installation box is fixedly connected with a reinforcing rib, one end of each reinforcing rib is fixedly connected with the surface of the corresponding fixed column, the surface of each reinforcing rib and the surface of each lightning rod are fixedly connected with a lightning conductor, one end of each lightning conductor penetrates through the top plate and extends to the surface of the corresponding fixed plate, and the surface of each lightning conductor is fixedly provided with a conductive sliding ring;

through above-mentioned technical scheme, the conducting slip ring has the characteristics of avoiding the lightning-arrest wire winding when the fan rotates.

Furthermore, the lower surface of the installation box is fixedly connected with a connecting plate, one end of the connecting plate is fixedly connected with the surface of the supporting plate, installation bearings are fixedly installed on the surface of the installation box and the surface of the supporting plate, and the installation bearings are uniformly distributed on the surface of the installation box and the surface of the supporting plate;

through above-mentioned technical scheme, the install bin has the characteristics of being convenient for install servo motor, worm wheel and worm.

Furthermore, the inner ring of the mounting bearing is fixedly connected with a connecting shaft, the connecting shaft is fixedly connected with a blade, and the surface of the blade is respectively connected with the lower surface of the mounting box and the upper surface of the supporting plate in a sliding manner;

through above-mentioned technical scheme, installation bearing and connecting axle cooperation have the characteristics of being convenient for adjust the blade angle.

Furthermore, the other end of the connecting shaft extends to the inner wall of the mounting box, and the other end of the connecting shaft is fixedly connected with a worm wheel;

through above-mentioned technical scheme, worm wheel and worm cooperation have the blade angle modulation of being convenient for, and adjust the characteristics of back angle location.

Furthermore, positioning bearings are fixedly mounted on the inner wall of the mounting box, worms are fixedly connected to inner rings of the two positioning bearings, and the surfaces of the worms are meshed with the surface of the worm wheel;

through above-mentioned technical scheme, location bearing has the characteristics fixed to the worm location.

Furthermore, a servo motor is fixedly mounted on the inner wall of the mounting box, an output shaft of the servo motor is fixedly connected with one end of the worm through a coupler, an air speed sensor is fixedly mounted at the top of the mounting box, a programmable PLC (programmable logic controller) is fixedly mounted on the inner wall of the fixing box, and the servo motor and the air speed sensor are both electrically connected with the programmable PLC through electric wires;

through the technical scheme, the programmable PLC controller has the characteristic of being convenient for automatically controlling the positive and negative rotation of the servo motor.

To sum up, the utility model discloses following beneficial effect has:

1. the equal fixedly connected with lightning-arrest wire in surface through the surface that sets up the strengthening rib and lightning rod, the one end of lightning-arrest wire runs through the roof and extends to the surface of fixed plate, when using, when meetting thunderstorm weather, when receiving the thunderbolt, fixed column surface lightning rod and strengthening rib surface mounting's lightning-arrest wire are drawn the thunder and lightning, and conductive slip ring has the winding effect of avoiding lightning-arrest wire when the fan rotates to have the characteristics of better lightning-arrest effect.

2. Through setting up fan blade controlling means, when using, wind speed sensor transmits the wind speed information of monitoring for can compiling the PLC controller, can compile PLC controller received information after, according to control servo motor corotation or reversal regulation, servo motor's output shaft passes through the shaft coupling and drives the worm and rotate, the worm drives the worm wheel and rotates, the worm wheel drives the connecting axle and rotates, through the angle of rotating connecting axle adjusting blade, the control blade drives the rotational speed of install bin, the backup pad, mounting disc and pivot, thereby have the characteristics of automatic control pivot rotational speed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural diagram of the present invention.

In the figure: 1. a support pillar; 2. a fixed box; 3. a generator; 4. a fixing plate; 5. fixing the bearing; 6. a rotating shaft; 7. mounting a disc; 8. fixing the rod; 9. a top plate; 10. fixing a column; 11. a lightning rod; 12. installing a box; 13. a support plate; 14. reinforcing ribs; 15. a connecting plate; 16. mounting a bearing; 17. a connecting shaft; 171. a worm gear; 18. positioning the bearing; 19. a worm; 20. a servo motor; 21. a wind speed sensor; 22. the PLC controller can be programmed.

Detailed Description

Example (b):

the present invention will be described in further detail with reference to the accompanying fig. 1-4.

A wind generating set with serially connected blades is shown in a figure 1-2 and comprises a supporting column 1, wherein the top of the supporting column 1 is fixedly connected with a fixed box 2, the inner wall of the fixed box 2 is fixedly provided with a generator 3, the top of the fixed box 2 is fixedly connected with a fixed plate 4, the surface of the fixed plate 4 is fixedly provided with a fixed bearing 5, the inner ring of the fixed bearing 5 is fixedly connected with a rotating shaft 6, one end of the rotating shaft 6 penetrates through and extends to the inner wall of the fixed box 2, and one end of the rotating shaft 6 is fixedly connected with a generator 3 shaft of the generator 3 through a coupler;

as shown in fig. 2, mounting disks 7 are fixedly sleeved on the surface of the rotating shaft 6, fixing rods 8 are fixedly connected to the surfaces of the two mounting disks 7, the fixing rods 8 are distributed in an annular array with the axis of the mounting disks 7 as the center, a top plate 9 is fixedly connected to the top of one of the mounting disks 7, a fixing column 10 is fixedly connected to the surface of the top plate 9, and a lightning rod 11 is fixedly mounted at the top of the fixing column 10;

as shown in fig. 2, a fan blade control device is fixedly mounted on the surface of the mounting disc 7, the fan blade control device includes a mounting box 12 and a supporting plate 13, and one end of each of the mounting box 12 and the supporting plate 13 is fixedly connected with the surface of the mounting disc 7;

as shown in fig. 2-4, the two mounting boxes 12 and the supporting plate 13 are symmetrically distributed around the axis of the rotating shaft 6, the surface of the mounting box 12 is fixedly connected with a reinforcing rib 14, one end of the reinforcing rib 14 is fixedly connected with the surface of the fixed column 10, the surface of the reinforcing rib 14 and the surface of the lightning rod 11 are both fixedly connected with a lightning conductor, one end of the lightning conductor penetrates through the top plate 9 and extends to the surface of the fixed plate 4, and the surface of the lightning conductor is fixedly provided with a conductive slip ring;

the surface of the reinforcing rib 14 and the surface of the lightning rod 11 are both fixedly connected with lightning conductors, one end of each lightning conductor penetrates through the top plate 9 and extends to the surface of the fixing plate 4, when the lightning protection device is used and is struck by lightning in thunderstorm weather, the lightning conductors arranged on the surfaces of the lightning rod 11 and the reinforcing rib 14 on the fixing column 10 lead out the lightning, and the conductive slip ring has the function of preventing the lightning conductors from being wound when the fan rotates, so that the lightning protection device has the characteristic of better lightning protection effect;

as shown in fig. 2-4, a connecting plate 15 is fixedly connected to the lower surface of the mounting box 12, one end of the connecting plate 15 is fixedly connected to the surface of the supporting plate 13, mounting bearings 16 are fixedly mounted on both the surface of the mounting box 12 and the surface of the supporting plate 13, and a plurality of mounting bearings 16 are uniformly distributed on the surface of the mounting box 12 and the surface of the supporting plate 13;

as shown in fig. 2-4, a connecting shaft 17 is fixedly connected to an inner ring of the mounting bearing 16, a blade is fixedly connected to the connecting shaft 17, a surface of the blade is slidably connected to a lower surface of the mounting box 12 and an upper surface of the supporting plate 13, the other end of the connecting shaft 17 extends to an inner wall of the mounting box 12, a worm wheel 171 is fixedly connected to the other end of the connecting shaft 17, a positioning bearing 18 is fixedly installed on the inner wall of the mounting box 12, a worm 19 is fixedly connected to inner rings of the two positioning bearings 18, a surface of the worm 19 is engaged with a surface of the worm wheel 171, a servo motor 20 is fixedly installed on the inner wall of the mounting box 12, an output shaft of the servo motor 20 is fixedly connected to one end of the worm 19 through a coupling, an air speed sensor 21 is fixedly installed on the top of the mounting box 12, a programmable PLC controller 22 is fixedly installed on the inner wall of the mounting;

through setting up fan blade controlling means, when using, wind speed sensor 21 transmits the wind speed information of monitoring for can compiling PLC controller 22, can compile PLC controller 22 after receiving information, according to control servo motor 20 corotation or reversal regulation, servo motor 20's output shaft passes through the shaft coupling and drives worm 19 and rotate, worm 19 drives worm wheel 171 and rotates, worm wheel 171 drives connecting axle 17 and rotates, through the angle of rotating connecting axle 17 regulation blade, control blade drives install bin 12, backup pad 13, the rotational speed of mounting disc 7 and pivot 6, thereby have the characteristics of automatic control pivot 6 rotational speed.

The working principle is as follows: when the lightning protection device is used, when the lightning protection device is struck by lightning in thunderstorm weather, lightning conductors arranged on the surfaces of the lightning rod 11 and the reinforcing rib 14 on the surface of the fixed column 10 lead out the lightning, and the conductive slip ring has the function of preventing the lightning conductors from being wound when the fan rotates;

when the generator 3 works, the wind energy blows the blades to drive the installation box 12 and the supporting plate 13 to rotate, the installation plate 7 and the rotating shaft 6 are driven to rotate, the rotating shaft 6 drives the generator 3 to rotate to generate electricity, the external wind speed can be monitored in real time through the wind speed sensor 21 on the top of the installation box 12, the wind speed information monitored by the wind speed sensor 21 is transmitted to the programmable PLC 22, the programmable PLC 22 receives the information and then adjusts the forward rotation or the reverse rotation of the servo motor 20 according to the control, the output shaft of the servo motor 20 drives the worm 19 to rotate through the coupler, the worm 19 drives the worm wheel 171 to rotate, the worm wheel 171 drives the connecting shaft 17 to rotate, the angle of the blades is adjusted through rotating the connecting shaft 17, and the blades are controlled to drive the rotation speeds of the.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a fan blade tandem type wind generating set, includes support column (1), its characterized in that: the top of the supporting column (1) is fixedly connected with a fixed box (2), the inner wall of the fixed box (2) is fixedly provided with a generator (3), the top of the fixed box (2) is fixedly connected with a fixed plate (4), the surface of the fixed plate (4) is fixedly provided with a fixed bearing (5), the inner ring of the fixed bearing (5) is fixedly connected with a rotating shaft (6), one end of the rotating shaft (6) penetrates through and extends to the inner wall of the fixed box (2), and one end of the rotating shaft (6) is fixedly connected with the generator (3) shaft of the generator (3) through a coupler;

the surface of the rotating shaft (6) is fixedly sleeved with mounting discs (7), fixing rods (8) are fixedly connected to the surfaces of the two mounting discs (7), the fixing rods (8) are distributed in an annular array by taking the axis of the mounting discs (7) as the center, the top of one of the mounting discs (7) is fixedly connected with a top plate (9), the surface of the top plate (9) is fixedly connected with a fixing column (10), and a lightning rod (11) is fixedly mounted at the top of the fixing column (10);

the fan blade control device is fixedly mounted on the surface of the mounting disc (7) and comprises a mounting box (12) and a supporting plate (13), and one ends of the mounting box (12) and the supporting plate (13) are fixedly connected with the surface of the mounting disc (7).

2. The wind generating set with the serially connected blades as claimed in claim 1, wherein: the lightning protection device is characterized in that the two installation boxes (12) and the support plate (13) are symmetrically distributed by taking the axis of the rotating shaft (6) as the center, reinforcing ribs (14) are fixedly connected to the surface of the installation boxes (12), one ends of the reinforcing ribs (14) are fixedly connected with the surface of the fixed column (10), lightning conductors are fixedly connected to the surfaces of the reinforcing ribs (14) and the surface of the lightning rod (11), one ends of the lightning conductors penetrate through the top plate (9) and extend to the surface of the fixed plate (4), and conductive slip rings are fixedly mounted on the surfaces of the lightning conductors.

3. The wind generating set with the serially connected blades as claimed in claim 2, wherein: the lower fixed surface of install bin (12) is connected with connecting plate (15), the one end of connecting plate (15) is connected with the fixed surface of backup pad (13), the equal fixed mounting in surface of the surface of install bin (12) and backup pad (13) has installation bearing (16), and is a plurality of installation bearing (16) are at the surface of install bin (12) and the surface evenly distributed of backup pad (13).

4. The wind generating set with the series-connected fan blades as claimed in claim 3, wherein: the inner ring of the mounting bearing (16) is fixedly connected with a connecting shaft (17), the connecting shaft (17) is fixedly connected with a blade, and the surface of the blade is respectively connected with the lower surface of the mounting box (12) and the upper surface of the supporting plate (13) in a sliding manner.

5. The wind generating set with the serially connected blades as claimed in claim 4, wherein: the other end of connecting axle (17) extends to the inner wall of install bin (12), the other end fixedly connected with worm wheel (171) of connecting axle (17).

6. The wind generating set with the serially connected blades as claimed in claim 5, wherein: the inner wall fixed mounting of install bin (12) has location bearing (18), two equal fixedly connected with worm (19) of inner circle of location bearing (18), the surface of worm (19) and the surface meshing of worm wheel (171).

7. The wind generating set with the serially connected blades as claimed in claim 6, wherein: the utility model discloses a wind power generation system, including install bin (12), inner wall fixed mounting of install bin (12) has servo motor (20), the one end fixed connection that shaft coupling and worm (19) are passed through to the output shaft of servo motor (20), the top fixed mounting of install bin (12) has wind speed sensor (21), the inner wall fixed mounting of fixed box (2) has PLC controller (22) can be compiled, servo motor (20) and wind speed sensor (21) all through the electric wire with can compile PLC controller (22) electric connection.