CN118030407A - Online monitoring device for fracture of fan blade - Google Patents

Abstract

The application discloses an on-line monitoring device for fan blade breakage, and belongs to the field of fan body blade breakage detection. Comprising the following steps: a fan body; the detection assembly is arranged on the fan body; a cleaning device; the detection assembly comprises a camera for detecting the blades of the fan body in real time, a fixing frame for fixing the camera on the fan body and a bracket fixedly arranged on the fixing frame; the cleaning device comprises a cleaning brush and a first driving component, wherein the first driving component is arranged on the impeller, one end of the first driving component is in driving connection with the cleaning brush, and one end of the cleaning brush is attached to the surface of the camera; the bracket is provided with an impeller. The fan blade breakage on-line monitoring device has the beneficial effect that damage caused by friction between dust and a camera can be avoided in a swinging mode.

Description

Online monitoring device for fracture of fan blade

Technical Field

The application relates to the field of fan body blade fracture detection, in particular to an on-line fan blade fracture monitoring device.

Background

The wind blows to the blades of the fan body, so that the blades can rotate, then wind energy can be converted into electric energy through the fan body, wind power generation mainly depends on the rotation of the blades, and the blades are possibly broken due to unstable wind direction in the rotating process, so that the fan body is damaged, and the blades of the fan body can be monitored in real time through the on-line monitoring device;

the cleaning device of the spherical camera with the reference publication number of CN104841655B is characterized in that when the spherical camera needs to be cleaned, the cleaning assembly extends out of the inner cavity of the shell, and the first cleaning brush is contacted with the window glass and slides relatively, so that one-time wiping of the window glass is realized; and then the first cleaning brush is separated from the window glass, and the second cleaning brush is contacted with the window glass and slides relatively, so that the second cleaning of the window glass is realized. The first cleaning brush and the second cleaning brush act successively, can make the cleaning effect better, and cleaning brush's life is longer, and the device's setting no longer needs artifical manual removal to wipe spherical camera, has guaranteed the monitoring effect to power equipment and circuit, has avoided the danger that exists when artifical climbing cleaning camera, but still has following problem:

In practical use of the device, although the camera is cleaned by the cleaning brush, the cleaning brush is attached to the camera at the time, then dust cannot fall down in the process of cleaning the camera, dust can exist between the cleaning brush and the camera, sand and stones can exist in the dust, and the dust can damage the camera due to friction, so that the lens of the camera is worn;

The self-cleaning camera with the reference publication number of CN215991015U is connected with the mobile device through the wireless transmission module, when dust is stained on the camera, the mobile device sends a signal to the controller, the controller controls the driving motor and the electromagnetic valve, the electromagnetic valve is opened through the controller, cleaning liquid in the storage tank is sprayed on the surface of the camera through the water spraying hole on the liquid supply pipe, the cleaning liquid can be provided for self-cleaning of the camera, the driving motor is started through the controller, the driving motor drives the electric telescopic rod to reciprocate, so that the cleaning brush moves on the surface of the camera to clean the surface of the camera, dust is prevented from being stained on the surface of the camera, and the camera is ensured to be capable of shooting clear pictures at any time; thereby realize the self-cleaning of camera, and then saved a large amount of manpowers, but still have following problem:

In practical use of the device, although the camera is cleaned by the cleaning solution, as the volume in the storage tank can only store a corresponding amount of the cleaning solution, after the cleaning solution is used for a long time, the cleaning solution needs to be manually added after the cleaning solution is consumed, and the camera is generally arranged at a higher position, so that potential safety hazards exist in the process of adding the cleaning solution.

Disclosure of Invention

The summary of the application is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

To solve the technical problems mentioned in the background section above, some embodiments of the present application provide an online monitoring device for fan blade fracture, including:

a fan body;

the detection assembly is arranged on the fan body;

A cleaning device;

The detection assembly comprises a camera for detecting the blades of the fan body in real time, a fixing frame for fixing the camera on the fan body and a bracket fixedly arranged on the fixing frame;

the cleaning device comprises a cleaning brush and a first driving component, wherein the first driving component is arranged on the impeller, one end of the first driving component is in driving connection with the cleaning brush, and one end of the cleaning brush is attached to the surface of the camera;

The bracket is provided with an impeller.

According to the application, the cleaning brush is driven to swing through the first driving component, so that the camera is cleaned. The existing cleaning brush is attached to the camera when in use, then dust cannot fall down in the process of cleaning the camera, dust can exist between the cleaning brush and the camera, sand and stones possibly exist in the dust, the dust can damage the camera when being cleaned in a friction mode, and therefore the problem of abrasion of a lens of the camera is caused, and therefore damage caused by friction between the dust and the camera can be avoided in a swinging mode.

Further, a first groove body is formed in the support, a second groove body and a third groove body are formed in the fixing frame, the second groove body and the third groove body are communicated with each other, a rotating shaft is arranged on the impeller, and the rotating shaft is rotatably arranged in the first groove body; the first driving component comprises a first driving wheel fixedly arranged on the rotating shaft, a second driving wheel connected with the first driving wheel through a belt, a rotating rod fixedly arranged on the second driving wheel at one end in the second groove body in a rotating manner, a first gear fixedly arranged on the rotating rod, a second gear rotationally arranged in the third groove body and meshed with the first gear, a driven rod fixedly arranged on the second gear, and an extrusion spring respectively connected with the side wall of the third groove body and the cleaning brush, wherein the cleaning brush is fixedly arranged on the second gear.

Further, the number of teeth of the first gear is half that of the second gear.

Further, the cleaning device also comprises a storage box, a second driving component, a water pipe and a spray head; the bottom of the storage box is provided with a water outlet groove and a first movable groove which are communicated with each other, the second driving component is movably arranged on the storage box, and one end of the second driving component is rotationally connected with the rotating rod; one end of the water pipe is communicated with the first movable groove through a connecting pipe, the spray head is arranged at one end of the water pipe, and the spray head is arranged on one side of the cleaning brush.

Further, the upper end of the storage box is provided with an opening.

Further, a one-way valve is arranged in the water outlet tank.

Further, a baffle plate for blocking one end of the first movable groove is arranged in the connecting pipe.

Further, a second movable groove and a third movable groove are formed in the bottom of the storage box, the second movable groove and the third movable groove are communicated with each other, one end of the rotating rod extends into the third movable groove, and a third gear is arranged at one end of the rotating rod; the second driving assembly comprises a fourth gear meshed with the third gear, a first rotating rod fixedly arranged on the fourth gear, a third driving wheel fixedly arranged on the first rotating rod, a connecting block fixedly arranged on the third driving wheel, and a push rod with one end hinged to one end of the connecting block, wherein one end of the push rod extends into the first movable groove.

Further, a groove body is formed in the side wall of the opening of the storage box, and the cleaning device further comprises a third driving assembly and a filter plate which is positioned on the opening and two ends of which are movably arranged in the groove body; the third driving assembly comprises a fourth driving wheel connected to the rotating shaft through a connecting rod, a fifth driving wheel connected to the fourth driving wheel through a belt, a second rotating rod fixedly connected to the fifth driving wheel, and a cam fixedly arranged on the second rotating rod, one end of the second rotating rod extends into the groove body, and one end of the cam is attached to the filter plate.

Further, the filter plate is obliquely arranged.

The application has the beneficial effects that: this fan blade fracture on-line monitoring device can avoid damaging the camera lens and avoid the manual work to add liquid and can filter impurity, through the swing of cleaning brush, avoid the dust to lead to damaging with cleaning between the camera friction then, can collect the rainwater through holding the chamber, thereby avoid artifical manual safety problem that adds liquid and bring, and rock through the filter, thereby make filter plate can filter impurity in the rainwater, thereby avoid cleaning detection camera in-process to lead to the damage, its concrete content is as follows:

Be provided with the cleaning brush, drive the impeller through wind-force and rotate, make the impeller rotate and drive first drive assembly and rotate then, drive the cleaning brush and swing to make the cleaning brush swing can clean camera surface dust, and can not wrap up the camera at wobbling in-process, thereby avoid the damage that mutual friction leads to between dust and the camera lens.

The device is provided with the accommodating cavity, rainwater can be collected through the accommodating cavity in rainy days, then the rainwater is extruded through the push rod, then the push rod can convey the rainwater to the inside of the spray head through the water pipe, then the rainwater can be sprayed to the camera through the spray head, the purpose of cleaning the surface of the camera is achieved, and the danger caused by the fact that the water is added when the person is required to ascend periodically is avoided;

The filter plate is arranged, and the filter plate can be driven to shake through the rotation of the cam, so that impurities in rainwater can be separated through the shake of the filter plate, clean rainwater can be collected in the accommodating cavity, and the damage to the surface of the detection camera caused by the scouring of impurities in the rainwater is avoided;

The filter plate is obliquely arranged, so that the filter plate can shake off and discharge impurities, and the service life of the filter plate is prolonged;

the number of the tooth blocks on the first gear is half that of the second gear, so that the cleaning brush can swing reciprocally to clean.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is an overall schematic of an embodiment according to the present application;

FIG. 2 is a schematic diagram of a front sectional structure of a detection camera according to an embodiment;

Fig. 3 is an enlarged view of a portion a of fig. 2;

FIG. 4 is a schematic structural view of a portion of an embodiment, primarily showing a first second drive assembly;

FIG. 5 is a schematic structural view of a portion of an embodiment, primarily showing a second drive assembly II;

Fig. 6 is an enlarged view of a portion B of fig. 2;

FIG. 7 is a schematic structural view of a portion of an embodiment, primarily showing a third drive assembly one;

FIG. 8 is a schematic structural view of a portion of an embodiment, primarily showing a third drive assembly two;

Reference numerals:

1. A fan body; 2. a detection assembly; 3. an impeller; 4. a cleaning device; 5. a camera; 6. a fixing frame; 7. a bracket; 8. a cleaning brush; 9. a first driving wheel; 10. a second driving wheel; 11. a rotating rod; 12. a first gear; 13. a second gear; 14. a driven rod; 15. extruding a spring; 16. a first tank body; 17. a second tank body; 18. a third tank; 19. a rotating shaft; 20. a storage tank; 21. a water pipe; 22. a spray head; 23. a receiving chamber; 24. a water outlet tank; 25. a first movable groove; 26. a connecting pipe; 27. an opening; 28. a one-way valve; 29. a baffle; 30. a second movable groove; 31. a third movable groove; 32. a third gear; 33. a fourth gear; 34. a first rotating lever; 35. a third driving wheel; 36. a connecting block; 37. a push rod; 38. a filter plate; 39. a tank body; 40. a fourth driving wheel; 41. a fifth driving wheel; 42. a second rotating lever; 43. a cam.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-8, an on-line monitoring device for fan blade breakage comprises a fan body 1, a detection assembly 2, an impeller 3 and a cleaning device 4; the detection assembly 2 is arranged on the fan body 1, and the detection assembly 2 comprises a camera 5 for detecting the blades of the fan body 1 in real time, a fixing frame 6 for fixing the camera 5 on the fan body 1, and a bracket 7 fixedly arranged on the fixing frame 6; the impeller 3 is rotationally arranged on the bracket 7, and the cleaning device 4 is rotationally arranged on the fixing frame 6 for cleaning the camera 5.

The cleaning device 4 comprises a first drive assembly and a cleaning brush 8; the first driving component is arranged on the fixing frame 6, one end of the first driving component is in driving connection with the cleaning brush 8, and one end of the cleaning brush 8 is attached to the surface of the camera 5. The cleaning brush 8 is driven to swing through the first driving component, and the camera 5 is cleaned. The existing cleaning brush 8 is attached to the camera 5 when in use, then dust cannot fall down in the process of cleaning the camera 5 by the cleaning brush 8, dust can exist between the cleaning brush 8 and the camera 5, sand and stones possibly exist in the dust, the camera 5 can be damaged by dust due to friction cleaning, and accordingly the problem of lens abrasion of the camera 5 is solved, and therefore damage caused by friction between the dust and the camera 5 can be avoided through swinging.

The first driving assembly comprises a first driving wheel 9, a second driving wheel 10, a rotating rod 11, a first gear 12, a second gear 13, a driven rod 14 and a pressing spring 15; the bracket 7 is provided with a first groove body 3916, the fixed bracket 6 is provided with a second groove body 3917 and a third groove body 3918, and the second groove body 3917 and the third groove body 3918 are mutually communicated; the impeller 3 is provided with a rotating shaft 19, the rotating shaft 19 is rotationally arranged in the first groove 3916, the first driving wheel 9 is fixedly arranged on the rotating shaft 19, the second driving wheel 10 is connected to the first driving wheel 9 through a belt, the rotating rod 11 is rotationally arranged in the second groove 3917, one end of the rotating rod 11 is fixedly arranged on the second driving wheel 10, the first gear 12 is fixedly arranged on the rotating rod 11, the second gear 13 is rotationally arranged in the third groove 3918 and meshed with the first gear 12, the driven rod 14 is fixedly arranged on the second gear 13, the cleaning brush 8 is fixedly arranged on the second gear 13, one end of the extrusion spring 15 is connected to the side wall of the third groove 3918, and the other end of the extrusion spring 15 is connected to the cleaning brush 8. Wherein the number of tooth blocks of the first gear 12 is half the number of tooth blocks of the second gear 13. When the camera 5 detects the impeller 3 in real time, an alarm is triggered when an abnormality occurs; the impeller 3 rotates under the action of wind power, and then drives the first driving wheel 9, the second driving wheel 10 and the rotating rod 11 to rotate, the rotating rod 11 rotates to drive the engagement of the first gear 12 and the second gear 13, the second gear 13 drives the driven rod 14 to rotate, and the driven rod 14 drives the cleaning brush 8 to swing, so that the cleaning brush 8 cleans dust adsorbed on the surface of the camera 5. And when first gear 12 does not mesh with second gear 13, then make extrusion spring 15 can drive driven lever 14 and reverse to make driven lever 14 can drive cleaning brush 8 and reset, reach the effect of horizontal hunting then, avoid cleaning brush 8 parcel to detect when camera 5 is clean, the dust can with detect the damage that the camera 5 surface friction led to.

The cleaning device 4 further comprises a storage box 20, a second driving assembly, a water pipe 21 and a spray head 22; the storage tank 20 has a storage chamber 23 therein, and the storage chamber 23 has a cleaning liquid therein. The bottom of the storage box 20 is provided with a water outlet groove 24 and a first movable groove 25, the water outlet groove 24 and the first movable groove 25 are communicated with each other, the second driving component is movably arranged on the storage box 20, and one end of the second driving component is rotationally connected with the rotating rod 11; one end of the water pipe 21 is communicated with the first movable groove 25 through a connecting pipe 26, the spray head 22 is arranged on one end of the water pipe 21, and the spray head 22 is arranged on one side of the cleaning brush 8.

The upper end of the storage box 20 is provided with an opening 27, and the opening 27 is communicated with the accommodating cavity 23, so that the accommodating cavity 23 can collect rainwater, and the safety problem caused by the need of personnel to ascend to fill a water source is avoided. Thus, the problem that the volume in the existing storage tank 20 can only store a correspondingly large amount of cleaning liquid, after the cleaning liquid is used for a long time, the cleaning liquid needs to be manually added after the cleaning liquid is consumed, and the camera 5 is generally arranged at a higher position, so that potential safety hazards exist in the process of adding the cleaning liquid is solved.

A one-way valve 28 is provided in the water outlet tank 24.

The baffle 29 is rotatably arranged in the connecting pipe 26, and one end, close to the water outlet groove 24, of the first movable groove 25 can be sealed through the arrangement of the baffle 29, so that water in the accommodating cavity 23 cannot flow into the water pipe 21 when the water storage device is not used.

The bottom of the storage box 20 is provided with a second movable groove 30 and a third movable groove 31, and the second movable groove 30 and the third movable groove 31 are mutually communicated. One end of the rotating rod 11 extends into the third movable groove 31, and a third gear 32 is arranged on one end of the rotating rod 11. The second driving assembly comprises a fourth gear 33, a first rotating rod 34, a third driving wheel 35, a connecting block 36 and a push rod 37; the fourth gear 33 is located in the third movable groove 31 and meshed with the third gear 32, the first rotating rod 34 is fixedly arranged on the fourth gear 33, one end of the first rotating rod 34 extends into the second movable groove 30, the third driving wheel 35 is fixedly arranged on the first rotating rod 34, the connecting block 36 is fixedly arranged on the third driving wheel 35, one end of the push rod 37 is hinged to one end of the connecting block 36, and one end of the push rod 37 extends into the first movable groove 25. The push rod 37 is driven to reciprocate in the accommodating cavity 23 by the movement of the connecting block 36. The third gear 32 is driven to rotate through the rotation of the rotating rod 11, the third gear 32 drives the fourth gear 33 to rotate, the third driving wheel 35 is further driven to rotate to drive the connecting block 36 to move, the connecting block 36 drives the push rod 37 to move in the first movable groove 25, the push rod 37 moves to enable negative pressure to be generated in the first movable groove 25, the negative pressure can suck the one-way valve 28 to open and close, water in the accommodating cavity 23 flows into the first movable groove 25, the one-way valve 28 is closed along with the movement of the push rod 37, then the push rod 37 moves to push the water to squeeze the baffle 29, the baffle 29 is opened, water enters the water pipe 21 to be sprayed out from the spray head 22, and the surface of the camera 5 is cleaned.

The cleaning device 4 further comprises a filter plate 38, a third drive assembly; the side wall of the opening 27 of the storage box 20 is provided with a groove 39, the filter plate 38 is positioned on the opening 27, two ends of the filter plate 38 are movably arranged in the groove 39, and the filter plate 38 is obliquely arranged. The third driving assembly comprises a fourth driving wheel 40, a fifth driving wheel 41, a second rotating rod 42 and a cam 43; the fourth driving wheel 40 is rotationally arranged on the bracket 7, the axle center of the fourth driving wheel 40 is connected with the rotating shaft 19 of the impeller 3 through a connecting rod, the fifth driving wheel 41 is rotationally arranged on the bracket 7 and is connected with the fourth driving wheel 40 through a belt, one end of the second rotating rod 42 is fixedly connected with the fifth driving wheel 41, the other end of the second rotating rod 42 extends into the groove body 39, the cam 43 is fixedly arranged on the second rotating rod 42, the cam 43 is positioned at the lower end of the filter plate 38, and one end of the cam 43 is attached to the filter plate 38. When rainwater flows into the accommodating chamber 23 through the filter plate 38, impurities in the rainwater are filtered by the filter plate 38. When the rotating shaft 19 of the impeller 3 rotates, the fourth driving wheel 40 is driven to rotate, the fourth driving wheel 40 rotates to drive the fifth driving wheel 41 to rotate, the second rotating rod 42 further drives the cam 43 to rotate, and one end of the filter plate 38 is jacked up by the rotation of the cam 43, so that the filter plate 38 slides in the groove 39. When the cam 43 does not press the filter plate 38, the filter plate 38 is lowered by gravity, so that the filter plate 38 can generate a shaking effect, and then the filter plate 38 shakes impurities adsorbed on the surface of the filter plate 38 to remove the impurities, thereby avoiding the filter plate 38 from being blocked. The purpose of self-cleaning is achieved, so that abrasion caused by impurities when the camera 5 is cleaned by rainwater is avoided, and a series of works are completed.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the invention in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the invention. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims (10)

1. An on-line monitoring device for fan blade breakage, comprising:

a fan body;

The detection assembly is arranged on the fan body;

A cleaning device;

The method is characterized in that:

The detection assembly comprises a camera for detecting the blades of the fan body in real time, a fixing frame for fixing the camera on the fan body and a bracket fixedly arranged on the fixing frame;

The cleaning device comprises a cleaning brush and a first driving component, wherein the first driving component is arranged on the fixing frame, one end of the first driving component is in driving connection with the cleaning brush, and one end of the cleaning brush is attached to the surface of the camera;

The support is provided with an impeller.

2. The fan blade breakage on-line monitoring device of claim 1, wherein:

The support is provided with a first groove body, the fixing frame is provided with a second groove body and a third groove body, the second groove body and the third groove body are mutually communicated, the impeller is provided with a rotating shaft, and the rotating shaft is rotationally arranged in the first groove body; the first driving assembly comprises a first driving wheel fixedly arranged on the rotating shaft, a second driving wheel connected with the first driving wheel through a belt, a rotating rod fixedly arranged on the second driving wheel at one end in the second groove body, a first gear fixedly arranged on the rotating rod, a second gear rotationally arranged in the third groove body and meshed with the first gear, a driven rod fixedly arranged on the second gear, and an extrusion spring respectively connected with the side wall of the third groove body and the cleaning brush, wherein the cleaning brush is fixedly arranged on the second gear.

3. The fan blade breakage on-line monitoring device of claim 2, wherein:

The number of teeth of the first gear is half that of the second gear.

4. The fan blade breakage on-line monitoring device of claim 2, wherein:

The cleaning device further comprises a storage box, a second driving assembly, a water pipe and a spray head; the bottom of the storage box is provided with a water outlet groove and a first movable groove, the water outlet groove and the first movable groove are communicated with each other, the second driving component is movably arranged on the storage box, and one end of the second driving component is rotationally connected with the rotating rod; one end of the water pipe is communicated with the first movable groove through a connecting pipe, the spray head is arranged at one end of the water pipe, and the spray head is arranged on one side of the cleaning brush.

5. The fan blade breakage on-line monitoring device of claim 4, wherein:

The upper end of the storage box is provided with an opening.

6. The fan blade breakage on-line monitoring device of claim 4, wherein:

A one-way valve is arranged in the water outlet tank.

7. The fan blade breakage on-line monitoring device of claim 4, wherein:

A baffle plate for blocking one end of the first movable groove is arranged in the connecting pipe.

8. The fan blade breakage on-line monitoring device of claim 4, wherein:

The bottom of the storage box is provided with a second movable groove and a third movable groove, the second movable groove and the third movable groove are communicated with each other, one end of the rotating rod extends into the third movable groove, and one end of the rotating rod is provided with a third gear; the second driving assembly comprises a fourth gear meshed with the third gear, a first rotating rod fixedly arranged on the fourth gear, a third driving wheel fixedly arranged on the first rotating rod, a connecting block fixedly arranged on the third driving wheel, and a push rod with one end hinged to one end of the connecting block, wherein one end of the push rod extends into the first movable groove.

9. The fan blade breakage on-line monitoring device of claim 2, wherein:

The cleaning device further comprises a third driving assembly and a filter plate, wherein the filter plate is positioned on the opening, and two ends of the filter plate are movably arranged in the groove; the third driving assembly comprises a fourth driving wheel connected with the rotating shaft through a connecting rod, a fifth driving wheel connected with the fourth driving wheel through a belt, a second rotating rod fixedly connected with the fifth driving wheel, and a cam fixedly arranged on the second rotating rod, one end of the second rotating rod extends into the groove body, and one end of the cam is attached to the filter plate.

10. The fan blade breakage online monitoring device of claim 9, wherein:

the filter plate is obliquely arranged.