CN215521140U

CN215521140U - Blade monitoring device for wind power generation

Info

Publication number: CN215521140U
Application number: CN202121581220.XU
Authority: CN
Inventors: 张青
Original assignee: Nanjing Trilobite Innovation Technology Co ltd
Current assignee: Nanjing Trilobite Innovation Technology Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2022-01-14
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses a wind power generation blade monitoring device, relating to the technical field of blade monitoring and aiming at providing a wind power generation blade monitoring device which utilizes visual technology, simplifies equipment, improves the accuracy of detection results and reduces loss, and the technical key points are that a mounting seat is fixedly arranged on the surface of a tower cylinder, a camera is fixedly arranged at the top of the mounting seat, an image processing system is arranged outside the camera, the technical effect is that a target part blade is detected by the camera, a detected target is converted into an image signal and transmitted to a special image processing system, the image signal is converted into a digital signal according to the information of pixel distribution, brightness, color and the like, the image processing system carries out various operations on the signals to extract the characteristics of the target, the high-precision monitoring of the blade is realized, and the electrical wiring is not required to be carried out in the blade, the equipment is simplified, the accuracy of a monitoring result is guaranteed, and the safety is improved.

Description

Blade monitoring device for wind power generation

Technical Field

The utility model relates to the technical field of blade monitoring, in particular to a blade monitoring device for wind power generation.

Background

Wind power generation is the most mature, large-scale development and commercial development prospect of new energy power generation technology. Due to the outstanding effects on improving the ecological environment, optimizing the energy structure, promoting the sustainable development of social economy and the like, wind power generation and related technologies thereof are vigorously developed and researched in all countries in the world at present, blades are key parts of a wind generating set for absorbing wind energy, the manufacturing cost accounts for more than 20% of the whole machine, the load is complex in the operation process, and the working conditions are severe, so that the fan blades which run for a long time can generate cracks with different degrees, finally cause the blade fracture, bring serious threats to the safe operation of the whole wind generating set, and even cause the generation of major accidents.

Among the prior art, generally carry out electrical wiring in the blade inside to detect the crackle and the deformation situation on blade surface, overall structure is complicated, and, the blade rotates in-process vibration, and the condition of reporting by mistake appears leaking easily in inside detection part, causes the occurence of failure easily, leads to economic loss.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the blade monitoring device for the wind power generation, which utilizes a visual technology, simplifies equipment, improves the accuracy of a detection result and reduces loss.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a blade monitoring device for wind power generation comprises a tower cylinder, wherein one end of the tower cylinder is rotatably connected with a rotating shaft, blades are arranged outside the rotating shaft, a mounting seat is fixedly arranged on the surface of the tower cylinder, a camera is fixedly arranged at the top of the mounting seat, and an image processing system is arranged outside the camera;

the image processing system comprises an image processing unit, image processing software and a communication unit, wherein the camera is used for acquiring signals, the image processing unit is used for processing the acquired signals, and the communication unit is used for inputting and outputting signals.

Preferably, the camera includes shell and camera lens, sealing connection between shell and the camera lens, the one end of shell is equipped with the installing port, the inner chamber of installing port is equipped with the installation department along its inner wall, be equipped with connecting portion around the camera lens, connecting portion with installing port looks adaptation, and connecting portion get into the inner chamber of installing port and rather than the joint, the mounting groove has been seted up along its inner wall to the inner chamber of installing port, sealed the pad is installed to the inner chamber of mounting groove, sealed pad with the outer wall of connecting portion is contradicted.

Preferably, seted up equally between mounting groove and the installation department the mounting groove, the inner chamber fixed mounting of mounting groove has steam to adsorb the pad, steam adsorb the pad with the outer wall of connecting portion is contradicted.

Preferably, an elastic component is arranged between the camera and the mounting seat.

Preferably, the top surface of the mounting seat is provided with a retaining groove, the elastic component is fixedly mounted in an inner cavity of the retaining groove, the bottom of the camera is fixedly provided with a connecting block, the connecting block enters the inner cavity of the retaining groove and is fixedly connected with the elastic component, and the size of the retaining groove is matched with that of the connecting block.

Preferably, the number of the elastic parts is provided with a plurality of elastic parts, and the elastic parts are fixedly arranged on different inner walls of the retaining groove.

(III) advantageous effects

Compared with the prior art, the utility model provides a blade monitoring device for wind power generation, which has the following beneficial effects:

1. the blade of the target component is detected by the camera, the detected target is converted into an image signal and is transmitted to a special image processing system, the image signal is converted into a digital signal according to information such as pixel distribution, brightness and color, the image processing system performs various operations on the signal to extract the characteristics of the target, high-precision monitoring of the blade is achieved, electrical wiring is not needed to be performed inside the blade, equipment is simplified, meanwhile, the accuracy of a monitoring result is guaranteed, safety is improved, and loss is reduced.

2. Through seting up the solid fixed tank and making the connecting block be connected with the camera get into solid fixed tank internally mounted, on the one hand, guarantee the mounting height of camera, ensure its collection picture that can be better, on the other hand utilizes the solid fixed tank to carry on spacingly to the connecting block, further improves the stability of device installation.

Drawings

FIG. 1 is a schematic front view of one embodiment of the present invention;

FIG. 2 is a schematic front view of another embodiment of the present invention;

FIG. 3 is a schematic top view of the camera mounting of the present invention;

FIG. 4 is a right side schematic cross-sectional view of the camera of the present invention;

fig. 5 is a block diagram of the architecture of one embodiment of the present invention.

In the figure: 1. a tower drum; 2. a rotating shaft; 3. a blade; 4. a mounting seat; 5. a camera; 51. a housing; 52. a lens; 6. an installation port; 7. an installation part; 8. a connecting portion; 9. mounting grooves; 10. a gasket; 11. a water vapor adsorption pad; 12. a retention groove; 13. connecting blocks; 14. an image processing unit; 15. image processing software; 16. a communication unit; 17. an elastic member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 5, a blade monitoring device for wind power generation includes a tower tube 1, one end of the tower tube 1 is rotatably connected with a rotating shaft 2, blades 3 are mounted outside the rotating shaft 2, a mounting seat 4 is fixedly mounted on the surface of the tower tube 1, a camera 5 is fixedly mounted on the top of the mounting seat 4, and an image processing system is arranged outside the camera 5;

the image processing system comprises an image processing unit 14, image processing software 15 and a communication unit 16, wherein the camera 5 is used for acquiring signals, the image processing unit 14 is used for processing the acquired signals, and the communication unit 16 is used for inputting and outputting signals;

in this embodiment, the target component blade 3 is detected by the camera 5, the detected target is converted into an image signal, the image signal is transmitted to a special image processing system, the image signal is converted into a digital signal according to information such as pixel distribution, brightness and color, the image processing system performs various operations on the signal to extract characteristics of the target, such as area, number, position and length, and then the result is output according to preset allowance and other conditions, including size, angle, number, qualification/disqualification, presence/absence and the like, so that an automatic identification function is realized, high-precision monitoring of the blade 3 is realized, electrical wiring is not required to be performed inside the blade 3, equipment is simplified, and meanwhile, the monitoring result is ensured to be accurate;

in the embodiment, the principle of a vision system is utilized to monitor the blades 3, the monitoring results of the blades 3 are transmitted to the main control system as in the prior art, and the main control system controls whether the wind power generation equipment stops running or not according to the monitoring results and can also give an alarm to workers as required.

Referring to fig. 4, the camera 5 includes a housing 51 and a lens 52, sealing connection between the housing 51 and the lens 52, one end of the housing 51 is provided with an installation port 6, an inner cavity of the installation port 6 is provided with an installation portion 7 along an inner wall thereof, the lens 52 is provided with a connection portion 8 all around, the connection portion 8 is matched with the installation port 6, the connection portion 8 enters the inner cavity of the installation port 6 and is clamped with the installation port, the inner cavity of the installation port 6 is provided with an installation groove 9 along an inner wall thereof, a sealing gasket 10 is installed in the inner cavity of the installation groove 9, and the sealing gasket 10 is abutted against an outer wall of the connection portion 8.

Because camera 5 uses in open air environment, in order to prevent that outside rivers and dust from getting into, set up mounting groove 9 in the inside of installing port 6 to the sealed 10 that seals of installation makes its outer wall with connecting portion 8 contradict, improves the leakproofness of device, avoids dust rivers to get into corrosion equipment, prolongs camera 5's life.

Referring to fig. 4, the mounting groove 9 is also formed between the mounting groove 9 and the mounting portion 7, the water vapor adsorption pad 11 is fixedly mounted in the inner cavity of the mounting groove 9, and the water vapor adsorption pad 11 abuts against the outer wall of the connecting portion 8.

In this embodiment, set up steam and adsorb pad 11 and conflict with the outer wall of connecting portion 8 between mounting groove 9 and installation department 7, can adsorb the steam that passes sealing pad 10, further improve the protection effect to camera 5 to the assurance is accurate to the detection of blade 3.

Referring to fig. 1, an elastic member 17 is disposed between the camera 5 and the mounting base 4;

the elastic part 17 can be a connecting piece made of elastic material, such as a sponge block or a rubber block, or can be connected with a spring;

when the wind power generation equipment is used, vibration can occur, and the vibration energy transmitted to the mounting base 4 and then transmitted to the camera 5 by the tower barrel 1 can be absorbed by using the elastic part 17, so that the stability of the camera 5 is improved, and the clear image signal is ensured.

Referring to fig. 3, a retention groove 12 is formed in the top surface of the mounting seat 4, an elastic member 17 is fixedly mounted in an inner cavity of the retention groove 12, a connection block 13 is fixedly mounted at the bottom of the camera 5, the connection block 13 enters the inner cavity of the retention groove 12 and is fixedly connected with the elastic member 17, and the size of the retention groove 12 is matched with that of the connection block 13.

In this embodiment, set up the retaining groove 12 and make the connecting block 13 of being connected with camera 5 get into retaining groove 12 internally mounted, on the one hand, guarantee camera 5's mounting height, ensure its collection picture that can be better, on the other hand, utilize retaining groove 12 to carry on spacingly to connecting block 13, further improve the stability of device installation.

In addition, in order to enhance the vibration reduction effect of the device again, the number of the elastic components 17 can be increased, and a plurality of elastic components 17 are fixedly arranged on different inner walls of the retaining groove 12, so that the stability of the camera 5 is enhanced, and the clear image acquisition is ensured.

The working principle is as follows: the target part blade 3 is detected by the camera 5, the detected target is converted into an image signal and transmitted to a special image processing system, the image signal is converted into a digital signal according to information such as pixel distribution, brightness and color, the image processing system performs various operations on the signal to extract the characteristics of the target, and the high-precision monitoring of the blade 3 is realized.

The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.

Claims

1. The utility model provides a blade monitoring devices for wind power generation, includes tower section of thick bamboo (1), the one end of tower section of thick bamboo (1) is rotated and is connected with axis of rotation (2), the externally mounted of axis of rotation (2) has blade (3), its characterized in that: the surface of the tower barrel (1) is fixedly provided with a mounting seat (4), the top of the mounting seat (4) is fixedly provided with a camera (5), and an image processing system is arranged outside the camera (5);

the image processing system comprises an image processing unit (14), image processing software (15) and a communication unit (16), wherein the camera (5) is used for acquiring signals, the image processing unit (14) is used for processing the acquired signals, and the communication unit (16) is used for inputting and outputting signals.

2. The blade monitoring device for wind power generation according to claim 1, wherein: camera (5) are including shell (51) and camera lens (52), sealing connection between shell (51) and camera lens (52), the one end of shell (51) is equipped with installing port (6), the inner chamber of installing port (6) is equipped with installation department (7) along its inner wall, be equipped with connecting portion (8) around camera lens (52), connecting portion (8) with installing port (6) looks adaptation, and connecting portion (8) get into the inner chamber and its joint of installing port (6), mounting groove (9) have been seted up along its inner wall to the inner chamber of installing port (6), sealed pad (10) are installed to the inner chamber of mounting groove (9), sealed pad (10) with the outer wall of connecting portion (8) is contradicted.

3. The blade monitoring device for wind power generation according to claim 2, wherein: seted up equally between mounting groove (9) and installation department (7) mounting groove (9), the inner chamber fixed mounting of mounting groove (9) has steam adsorption pad (11), steam adsorption pad (11) with the outer wall of connecting portion (8) is contradicted.

4. The blade monitoring device for wind power generation according to claim 1, wherein: an elastic component (17) is arranged between the camera (5) and the mounting seat (4).

5. The blade monitoring device for wind power generation according to claim 4, wherein: the fixing groove (12) has been seted up to the top surface of mount pad (4), elastomeric element (17) are in the inner chamber fixed mounting of fixing groove (12), and the bottom fixed mounting of camera (5) has connecting block (13), connecting block (13) get into the inner chamber of fixing groove (12) and with elastomeric element (17) fixed connection, the size of fixing groove (12) with connecting block (13) looks adaptation.

6. The blade monitoring device for wind power generation according to claim 5, wherein: the number of the elastic components (17) is provided with a plurality of elastic components, and the elastic components (17) are fixedly arranged on different inner walls of the retaining groove (12).