CN219492486U - Wind power component fault monitoring device based on ultrasonic sensor - Google Patents

Abstract

The utility model discloses a wind power component fault monitoring device based on an ultrasonic sensor, which comprises a unit shell, wherein wind power blades driven by wind power are rotatably arranged outside the unit shell, a speed changing unit is fixedly arranged at the front end inside the unit shell, and a generator set is fixedly arranged at the middle position inside the unit shell; the rotating shaft is fixedly arranged at the middle position of the wind power fan blade. This wind-powered electricity generation part fault monitoring device based on ultrasonic sensor adopts novel structural design for the device utilizes ultrasonic transmitter to detect a flaw to the wind-powered electricity generation blade of device at the in-process of using, thereby monitors whether damage appears in it, utilizes the contact head to monitor the rocking degree of axis of rotation when rotating, utilizes temperature sensor to monitor the inside operating temperature of unit shell, and when monitoring unusual in a certain place, utilizes the brake shoe to brake the device immediately or utilizes the liquid cooling pipe to cool down, thereby avoids the trouble of device to continue to enlarge.

Description

Wind power component fault monitoring device based on ultrasonic sensor

Technical Field

The utility model relates to the technical field related to wind power component fault monitoring, in particular to a wind power component fault monitoring device based on an ultrasonic sensor.

Background

The wind power equipment is equipment for generating electricity by taking natural wind power as power, belongs to clean energy, mainly utilizes wind power to blow fan blades to rotate, the rotating fan blades are conveyed into a generator after being accelerated by a speed changing device to achieve the purpose of generating electricity, and a generator set rotates throughout the year, so that the motion state (namely whether faults exist) of the generator set is monitored at any time.

In the prior art, chinese patent with the authority of CN215521136U discloses a fault monitoring device of a wind turbine, which comprises a supporting pipe, wherein the supporting pipe is connected with a machine case, a generator is arranged in the machine case, a first rotating shaft is connected to the generator, the first rotating shaft is connected with a gear box, a second rotating shaft is connected to the gear box, the second rotating shaft penetrates through the machine case to be connected with a mounting head, a blade is connected to the mounting head, a blade rotating speed detection assembly is arranged at the bottom of the machine case, a vibration detection assembly is arranged in the machine case, a wind speed detection assembly is arranged at the top of the machine case, and a noise detection assembly and a motor rotating speed detection assembly are arranged in the machine case; vibration of the rotating shaft is detected through the vibration detection assembly, a signal is transmitted to the external terminal when abnormal vibration occurs, noise inside the machine case is detected through the noise detection assembly, whether faults exist inside the machine case or not is judged according to the noise, whether the blades and the generator are faulty or not is judged by detecting the wind speed, the rotating speed of the blades and the rotating speed of the generator motor respectively, and the fault monitoring effect of the wind turbine generator is good … …

The device detects faults inside the equipment by using various types of transmitters (such as noise type transmitters and blade signal transmitters) in the using process, but in the actual using process, the device can only achieve the monitoring purpose, cannot timely make corresponding actions when faults occur (namely, when faults are detected, corresponding operations such as speed reduction and shutdown can be carried out on the device only by manually making a reaction), and in the period of time of making the reaction, the device continues to operate, so that small faults possibly develop into large faults.

Disclosure of Invention

The utility model aims to provide a wind power component fault monitoring device based on an ultrasonic sensor, which aims to solve the problem that in the background technology, the operation can not be performed in time when a fault occurs.

In order to achieve the above purpose, the present utility model provides the following technical solutions: wind power component fault monitoring device based on ultrasonic sensor, including the unit shell, the outside wind-force flabellum that has wind-force drive of installing of unit shell rotates, just the inside front end fixed mounting of unit shell has the speed change unit to the inside intermediate position fixed mounting of unit shell has the generating set, still includes:

the rotating shaft is fixedly arranged at the middle position of the wind power fan blade, and the rear end of the rotating shaft is connected with the speed changing unit;

the monitoring box is fixedly arranged at the front end inside the unit shell, and a penetrating structure is formed between the rotating shaft and the unit shell;

the ultrasonic transmitter is fixedly arranged on the outer surface of the monitoring box, the front end of the ultrasonic transmitter is positioned outside the unit shell, and the ultrasonic transmitting range of the ultrasonic transmitter is 180 degrees;

the contact head is arranged in the monitoring box, the contact head is of a spherical structure, and the outer surface of the contact head is attached to the outer surface of the rotating shaft;

the brake block is installed the monitoring case outside, the brake block is located the upper and lower both sides of axis of rotation, the inboard surface fixed mounting friction disc of brake block, just the brake block surface fixed mounting has the flexible cylinder with monitoring case fixed mounting.

Preferably, the connecting rod which is connected with the monitoring box in a penetrating and sliding manner is fixedly arranged at the upper end of the contact head, an extrusion spring is arranged outside the connecting rod, and the shaking degree after the rotating shaft can be judged by utilizing the reciprocating movement stroke of the contact head.

Preferably, the upper surface of the contact head is fixedly provided with a lower contact piece, the inner wall of the monitoring box is fixedly provided with a control box, and the upper contact piece and the lower contact piece are contacted to indicate that the shaking amplitude of the rotating shaft is too large and need to be treated in time.

Preferably, the lower surface of the control box is fixedly provided with an upper contact piece corresponding to the lower contact piece in position, the control box is connected with the telescopic cylinder through a wire, and the control box can control the telescopic cylinder to be opened or closed through the wire.

Preferably, a heat exchange box is fixedly arranged outside the upper surface of the unit shell, a temperature sensor extending into the unit shell is fixedly arranged on the lower surface of the heat exchange box, and the temperature inside the unit shell is monitored in real time by the aid of the temperature sensor.

Preferably, the left end and the right end of the heat exchange box are fixedly and penetratingly provided with liquid cooling pipes, the part of the liquid cooling pipes, which is positioned inside the unit shell, is of a bent structure, the outside of the liquid cooling pipes is fixedly provided with a circulating pump, and cooling water circularly flows inside the liquid cooling pipes by the aid of the circulating pump, so that the aim of rapid heat dissipation is achieved.

Preferably, the wind speed detector is rotatably arranged on the upper surface of the heat exchange box, the signal emitter is fixedly arranged on the outer surface of the heat exchange box, and the result monitored by each monitoring device is transmitted to the terminal equipment of the staff by the signal emitter.

Compared with the prior art, the utility model has the beneficial effects that: this wind-powered electricity generation part fault monitoring device based on ultrasonic sensor adopts novel structural design for the device utilizes ultrasonic transmitter to detect a flaw to the wind-powered electricity generation blade of device at the in-process of using, thereby monitors whether damage appears in it, utilizes the contact to monitor the rocking degree of axis of rotation when rotating, utilizes temperature sensor to monitor the inside operating temperature of unit shell, and when monitoring unusual in a certain place, utilizes the brake shoe to brake the device immediately or utilizes the liquid cooling pipe to cool down, thereby avoids the trouble of device to continue expanding, and its concrete content is as follows:

1. the ultrasonic wave transmitter, the contact head and the temperature sensor are matched, reflected ultrasonic waves are emitted and received by utilizing the ultrasonic waves, so that whether internal damage (such as cracks and the like) exists in the wind power fan blade is judged by utilizing the change of the ultrasonic waves in front and back times, the contact head is extruded when the rotating shaft rotates, the shaking degree of the rotating shaft when the rotating shaft rotates is judged by utilizing the extruded stroke of the contact head, and the working temperature of the inside of the machine set shell is monitored by utilizing the temperature sensor.

2. The upper contact piece, the lower contact piece, the brake block and the liquid cooling pipe are matched for use, when the ultrasonic waves are detected to be hidden in a wound or the upper contact piece is contacted with the lower contact piece (the shaking amplitude of the rotating shaft is overlarge), the telescopic cylinder is started by utilizing the lead, so that the telescopic cylinder pushes the brake block to be contacted with the rotating shaft, the purpose of slowly braking the rotating shaft is achieved, the working stress of the device is reduced, the continuous expansion of faults is avoided, the liquid cooling pipe is utilized for rapid heat dissipation when the temperature is overhigh, and the phenomenon that the equipment is influenced by the overhigh temperature to normally work is avoided.

Drawings

FIG. 1 is a schematic diagram of the front cross-sectional structure of the housing of the unit of the present utility model;

FIG. 2 is a schematic diagram of the cross-sectional front view of the monitor box of the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;

FIG. 4 is a schematic side view of a brake pad of the present utility model;

FIG. 5 is a schematic side view of the housing of the unit of the present utility model.

In the figure: 1. a unit housing; 2. wind power fan blades; 3. a speed change unit; 4. a generator set; 5. a rotating shaft; 6. a monitoring box; 7. an ultrasonic emitter; 8. a contact; 9. a brake block; 901. a friction plate; 10. a telescopic cylinder; 11. a connecting rod; 12. extruding a spring; 13. a lower contact piece; 14. a control box; 15. an upper contact piece; 16. a heat exchange box; 17. a temperature sensor; 18. a liquid-cooled tube; 19. a circulation pump; 20. a wind speed detector; 21. a signal transmitter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present utility model provides a technical solution: the utility model provides a wind-powered electricity generation part fault monitoring device based on ultrasonic sensor, includes unit shell 1, and unit shell 1 outside rotates installs wind-force driven wind-force flabellum 2, and unit shell 1 inside front end fixed mounting has variable speed unit 3 to unit shell 1 inside intermediate position fixed mounting has generating set 4, still includes: the rotating shaft 5 is fixedly arranged in the middle of the wind power fan blade 2, and the rear end of the rotating shaft 5 is connected with the speed changing unit 3; the monitoring box 6 is fixedly arranged at the front end inside the unit shell 1, and a penetrating structure is formed between the rotating shaft 5 and the unit shell 1; the ultrasonic transmitter 7 is fixedly arranged on the outer surface of the monitoring box 6, the front end of the ultrasonic transmitter 7 is positioned outside the unit shell 1, and the ultrasonic transmission range of the ultrasonic transmitter 7 is 180 degrees; the contact head 8 is arranged in the monitoring box 6, the contact head 8 is of a spherical structure, and the outer surface of the contact head 8 is attached to the outer surface of the rotating shaft 5; the brake block 9 is arranged on the outer side of the monitoring box 6, the brake block 9 is positioned on the upper side and the lower side of the rotating shaft 5, friction plates 901 are fixedly arranged on the inner side surface of the brake block 9, and a telescopic cylinder 10 fixedly arranged on the outer surface of the brake block 9 and the monitoring box 6;

the upper end of the contact head 8 is fixedly provided with a connecting rod 11 which is in penetrating sliding connection with the monitoring box 6, the outside of the connecting rod 11 is provided with an extrusion spring 12, the upper surface of the contact head 8 is fixedly provided with a lower contact piece 13, the inner wall of the monitoring box 6 is fixedly provided with a control box 14, the lower surface of the control box 14 is fixedly provided with an upper contact piece 15 which is mutually corresponding to the lower contact piece 13 in position, the control box 14 is connected with the telescopic cylinder 10 by a wire, the outside of the upper surface of the unit shell 1 is fixedly provided with a heat exchange box 16, the lower surface of the heat exchange box 16 is fixedly provided with a temperature sensor 17 which extends into the unit shell 1, the left end and the right end of the heat exchange box 16 are fixedly provided with liquid cooling pipes 18 in penetrating through, the part of the liquid cooling pipes 18 positioned in the unit shell 1 is of a bent structure, the outside of the liquid cooling pipes 18 is fixedly provided with a circulating pump 19, the upper surface of the heat exchange box 16 is rotatably provided with a wind speed detector 20, and the outside of the heat exchange box 16 is fixedly provided with a signal transmitter 21;

when the device works normally, wind blows the wind blades 2 to rotate so as to drive the rotating shaft 5 to rotate, under the acceleration action of the speed changing unit 3, the generator set 4 generates electricity, at the moment, the ultrasonic transmitter 7 outside the monitoring box 6 sends out ultrasonic waves, the ultrasonic waves reach the position of the wind blades 2 and are reflected, the reflected ultrasonic waves are received and analyzed by the ultrasonic transmitter 7 so as to judge whether the wind blades 2 are internally injured, meanwhile, the rotating shaft 5 extrudes the abutting contact 8 in the rotating process, the extruded contact 8 reciprocates under the combined action of the connecting rod 11 and the extrusion spring 12, the shaking amplitude of the rotating shaft 5 is judged by utilizing the moving stroke, when the lower contact piece 13 contacts with the upper contact piece 15, a certain danger exists due to the shaking amplitude of the rotating shaft 5, when the hidden injury or the rotating shaft 5 fails, the corresponding telescopic cylinder 10 is started by utilizing the control box 14 or a wire, the telescopic cylinder 10 is utilized to push the brake block 9 to contact with the rotating shaft 5, the aim of decelerating and braking is achieved by utilizing the friction piece 901 at the inner side of the brake block 9, and the danger of continuously expanding the fault is avoided;

when the temperature sensor 17 monitors that the temperature inside the unit shell 1 is too high, the circulating pump 19 is started, so that water circularly flows in the liquid cooling pipe 18 and is cooled when flowing through the heat exchange box 16, the liquid cooling pipe 18 is utilized to rapidly cool the inside of the unit shell 1, and the influence of the temperature on the normal operation of equipment is avoided.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. Wind power component fault monitoring device based on ultrasonic sensor, including unit shell (1), unit shell (1) outside rotates installs wind-force driven wind-force flabellum (2), just inside front end fixed mounting of unit shell (1) has speed change unit (3), and inside intermediate position fixed mounting of unit shell (1) has generating set (4), its characterized in that still includes:

the rotating shaft (5) is fixedly arranged at the middle position of the wind power fan blade (2), and the rear end of the rotating shaft (5) is connected with the speed changing unit (3);

the monitoring box (6) is fixedly arranged at the front end inside the unit shell (1), and a penetrating structure is formed between the rotating shaft (5) and the unit shell (1);

the ultrasonic transmitter (7) is fixedly arranged on the outer surface of the monitoring box (6), the front end of the ultrasonic transmitter (7) is positioned outside the unit shell (1), and the ultrasonic transmission range of the ultrasonic transmitter (7) is 180 degrees;

the contact head (8) is arranged inside the monitoring box (6), the contact head (8) is of a spherical structure, and the outer surface of the contact head (8) is attached to the outer surface of the rotating shaft (5);

the brake block (9) is installed the monitoring case (6) outside, brake block (9) are located the upper and lower both sides of axis of rotation (5), friction disc (901) is fixed to inside surface mounting of brake block (9), just telescopic cylinder (10) with monitoring case (6) fixed mounting of surface fixed mounting of brake block (9).

2. The ultrasonic sensor-based wind power component failure monitoring device of claim 1, wherein: the upper end of the contact head (8) is fixedly provided with a connecting rod (11) which is connected with the monitoring box (6) in a penetrating and sliding manner, and an extrusion spring (12) is arranged outside the connecting rod (11).

3. The ultrasonic sensor-based wind power component failure monitoring device of claim 2, wherein: the upper surface of the contact head (8) is fixedly provided with a lower contact sheet (13), and the inner wall of the monitoring box (6) is fixedly provided with a control box (14).

4. A wind power component fault monitoring device based on an ultrasonic sensor according to claim 3, wherein: an upper contact piece (15) corresponding to the lower contact piece (13) in position is fixedly arranged on the lower surface of the control box (14), and the control box (14) is connected with the telescopic cylinder (10) through a wire.

5. The ultrasonic sensor-based wind power component failure monitoring device of claim 1, wherein: the heat exchange box (16) is fixedly arranged outside the upper surface of the unit shell (1), and the temperature sensor (17) extending into the unit shell (1) is fixedly arranged on the lower surface of the heat exchange box (16).

6. The ultrasonic sensor-based wind power component failure monitoring device of claim 5, wherein: the left end and the right end of the heat exchange box (16) are fixedly provided with liquid cooling pipes (18) in a penetrating mode, the part, located inside the unit shell (1), of the liquid cooling pipes (18) is of a bent structure, and a circulating pump (19) is fixedly arranged outside the liquid cooling pipes (18).

7. The ultrasonic sensor-based wind power component failure monitoring device of claim 5, wherein: the wind speed detector (20) is rotatably arranged on the upper surface of the heat exchange box (16), and the signal emitter (21) is fixedly arranged on the outer surface of the heat exchange box (16).