CN212808157U - Wind turbine blade fault intelligent monitoring device - Google Patents
Wind turbine blade fault intelligent monitoring device Download PDFInfo
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- CN212808157U CN212808157U CN202021672725.2U CN202021672725U CN212808157U CN 212808157 U CN212808157 U CN 212808157U CN 202021672725 U CN202021672725 U CN 202021672725U CN 212808157 U CN212808157 U CN 212808157U
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Abstract
The utility model relates to a blade trouble intellectual detection system technical field specifically is a wind turbine blade trouble intelligent monitoring device, including supporting a tower section of thick bamboo, externally mounted casing and rotatory fan blade, externally mounted casing install the top at a supporting tower section of thick bamboo, the inside of externally mounted casing install three rotatory fan blade through the pivot, the fixed surface of externally mounted casing be connected with the collar, the fixed surface of collar be connected with the support frame, first through-hole has been seted up to the inside of support frame. The utility model has the advantages that: this wind turbine blade trouble intelligent monitoring device, the device is through installing a adapter on traditional externally mounted casing, and the sound that the adapter can collect rotatory time-out of rotatory fan blade, and rotatory when the rotatory fan blade damages and rotatory fan blade when intact the sound that sends out exist the difference, and whether the staff can judge rotatory fan blade to damage according to the sound of hearing in the adapter.
Description
Technical Field
The utility model relates to a blade trouble intellectual detection system technical field, especially a wind energy conversion system blade trouble intelligent monitoring device.
Background
Wind power generation refers to converting kinetic energy of wind into electric energy. Wind energy is a clean and pollution-free renewable energy source, and is used by people for a long time, mainly by pumping water, grinding surfaces and the like through windmills, and people are interested in how to use wind to generate electricity.
The fan blade is one of the key parts of the wind turbine, and the performance of the fan blade directly influences the performance of the whole system. The blades work at high altitude, the environment is very severe, various media in the air erode the blades almost every moment, and the blades can be damaged by spring, summer, autumn and winter, severe summer and cold, thunder, hail, rain, snow and sand dust at any time. According to statistics, the accident occurrence period of the wind power plant is mostly in the full wind power generation period, the accident caused by blade damage accounts for one third of the total accident, when the blade is damaged, the power generation of the electric field must be stopped, the emergency repair is started, and the blade must be replaced seriously, which leads to high maintenance cost and brings great economic loss to the wind power plant. Therefore, if the damage of the blade can be detected and maintained in time, the occurrence of a large amount of loss must be effectively avoided.
The existing intelligent monitoring device for the faults of the wind turbine blade has the following defects in the specific use process:
whether traditional monitoring mode adopts laser range finder cooperation mechanical structure to damage fan blade and detects, and the testing process is comparatively troublesome, and it is convenient inadequately to use, and the practicality is not good.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a wind energy conversion system blade trouble intelligent monitoring device.
The purpose of the utility model is realized through the following technical scheme: the intelligent monitoring device for the faults of the wind turbine blade comprises a supporting tower barrel, an external mounting shell and three rotating blades, wherein the external mounting shell is mounted at the top of the supporting tower barrel; the outer surface of the external mounting shell is fixedly connected with a mounting ring, the outer surface of the mounting ring is fixedly connected with a support frame, a first through hole is formed in the support frame, a fixed mounting plate is mounted on one side of the support frame, a pickup is fixedly connected to the middle of the fixed mounting plate, a second through hole is formed in the fixed mounting plate, bolt assemblies are arranged in the first through hole and the second through hole, and the fixed mounting plate and the support frame are mounted together through the bolt assemblies;
the bolt assembly comprises a fixing block, a fixing stud and a fixing nut, wherein the fixing stud is fixedly connected to one side of the fixing block, and the fixing nut is arranged on the outer surface of the fixing stud.
Optionally, the diameters of the first through holes and the second through holes are equal, and the number of the first through holes and the number of the second through holes are both a plurality.
Optionally, the outer surface of the fixing stud is provided with a first thread, and the inner wall of the fixing nut is provided with a second thread adapted to the fixing stud.
Optionally, one side of the sound pickup is fixedly connected with a rubber protective sleeve, and the sound pickup is connected with an electric wire through the rubber protective sleeve.
Optionally, the pickup surface of the pickup faces the direction of the three rotating fan blades.
Optionally, a reinforcing ring is fixedly connected to the outer surface of the supporting tower.
The utility model has the advantages of it is following:
this wind energy conversion system blade trouble intelligent monitoring device, in the use, the device is through installing a adapter on traditional externally mounted casing, the sound that sends when rotatory fan blade is rotatory can be collected to the adapter, there is the difference with rotatory sound that sends when rotatory fan blade damages when intact with rotatory fan blade, the difference just can be listened to rotatory a week of rotatory fan blade, detection cycle is shorter, whether the staff can judge rotatory fan blade to damage according to the sound of hearing in the adapter, the practicality is stronger, the device overall structure is simple, high durability and convenient installation, do not change to the inside subassembly of traditional wind power generation set, and the installation cost is lower, and convenient to use.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the rotary fan blade of the present invention;
fig. 3 is a schematic structural view of the sound pickup of the present invention;
FIG. 4 is a schematic structural view of the rubber protective cover of the present invention;
FIG. 5 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 6 is an enlarged schematic view of the structure at B in fig. 2 according to the present invention;
fig. 7 is a schematic structural diagram of the bolt assembly of the present invention.
In the figure: 1-a supporting tower cylinder, 2-an external mounting shell, 3-a rotating fan blade, 4-a mounting ring, 5-a support frame, 6-a first through hole, 7-a fixed mounting plate, 8-a sound pickup, 9-a bolt component, 901-a fixed block, 902-a fixed stud, 903-a fixed nut, 10-a second through hole, 11-a rubber protective sleeve and 12-an electric wire.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1-7, an intelligent monitoring device for wind turbine blade faults comprises a supporting tower barrel 1, an external mounting shell 2 and three rotating blades 3, wherein the external mounting shell 2 is mounted at the top of the supporting tower barrel 1, and the three rotating blades 3 are mounted inside the external mounting shell 2 through rotating shafts, which is similar to the existing wind power generation device;
the outer surface of the external mounting shell 2 is fixedly connected with a mounting ring 4, the outer surface of the mounting ring 4 is fixedly connected with a support frame 5, a first through hole 6 is formed in the support frame 5, one side of the support frame 5 is provided with a fixed mounting plate 7, the middle part of the fixed mounting plate 7 is fixedly connected with a pickup 8, a second through hole 10 is formed in the fixed mounting plate 7, bolt assemblies 9 are arranged in the first through hole 6 and the second through hole 10, and the fixed mounting plate 7 and the support frame 5 are mounted together through the bolt assemblies 9;
the bolt assembly 9 comprises a fixing block 901, a fixing stud 902 and a fixing nut 903, wherein the fixing stud 902 is fixedly connected to one side of the fixing block 901, and the fixing nut 903 is arranged on the outer surface of the fixing stud 902.
As an optimal technical solution of the present invention, the diameters of the first through hole 6 and the second through hole 10 are equal, and the number of the first through hole 6 and the second through hole 10 is a plurality of.
As a preferred technical scheme of the utility model, first screw thread has been seted up to fixing stud 902's surface, and the second screw thread with fixing stud 902 looks adaptation is seted up to fixation nut 903's inner wall.
As a preferred technical scheme of the utility model, one side fixedly connected with rubber lag 11 of adapter 8, adapter 8 is connected with electric wire 12 through rubber lag 11.
As an optimal technical scheme of the utility model, the pickup face of adapter 8 is towards the direction of three rotatory fan blade 3.
As an optimized technical scheme of the utility model, the outer fixed surface who supports a tower section of thick bamboo 1 is connected with the reinforcement ring.
The working process of the utility model is as follows: when in use, the outer surface of the outer installation shell 2 is fixedly connected with an installation ring 4, the installation ring 4 can be in a hoop form, or can be welded on the outer surface of the outer installation shell 2 by electric welding, one side of the installation ring 4 is fixedly connected with a support frame 5, the support frame 5 and the installation ring 4 are integrally formed, or can be connected together by welding, through arranging a first through hole 6 in the support frame 5, arranging a second through hole 10 in the fixed installation plate 7, the fixed installation plate 7 can be arranged on one side of the support frame 5 by a bolt component 9, a sound pickup 8 is adhered on one side of the fixed installation plate 7, or can be welded on one side of the fixed installation plate 7, the sound pickup 8 can collect the sound of the rotating fan blade 3 in the rotating process, if one or more of the rotating fan blades 3 are damaged, due to the change of the windward side, the change of the direction of the air flow can change the sound brought by rotation, similar to the working principle of musical instruments, namely when the direction of the air flow is changed, the corresponding sound can also be changed, the principle is used for judging whether the rotary fan blade 3 is damaged or dislocated, and not only can the sound generated by mutual collision or friction of the internal structures of the external mounting shell 2 be judged by the device, the measuring range is wider, the practicability is stronger, the sound generated by the damaged rotary fan blade 3 in the rotating process is different from the sound generated by the rotation of the intact rotary fan blade 3, so that a worker can judge whether the rotary fan blade 3 is damaged or not by the sound generated by the sound pickup 8, the practicability is stronger, the sound is more obviously distinguished when the wind is larger, the judgment by the worker is convenient, the practicability is stronger, and the practicability of the device is greatly improved, in the use, the device is through adapter 8 of installation on traditional externally mounted casing, the sound that sends when 3 rotatory fan blades of rotatory fan blade can be collected to adapter 8, there is the difference with the sound of rotatory sending when 3 intact lossless of rotatory fan blade when 3 damage of rotatory fan blade, 3 rotatory a week of rotatory fan blade just can be listened the difference, detection cycle is shorter, whether the staff can judge rotatory fan blade 3 to damage according to the sound of hearing in the adapter 8, the practicality is stronger, the device overall structure is simple, high durability and convenient installation, do not change to the inside subassembly of traditional wind power generation set, installation cost is lower, and convenient use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a wind turbine blade trouble intelligent monitoring device, includes support tower section of thick bamboo (1), externally mounted casing (2) and rotatory fan blade (3), its characterized in that: the external mounting shell (2) is mounted at the top of the supporting tower barrel (1), and three rotating fan blades (3) are mounted inside the external mounting shell (2) through rotating shafts; the outer surface of the outer mounting shell (2) is fixedly connected with a mounting ring (4), the outer surface of the mounting ring (4) is fixedly connected with a support frame (5), a first through hole (6) is formed in the support frame (5), a fixed mounting plate (7) is mounted on one side of the support frame (5), a pickup (8) is fixedly connected to the middle of the fixed mounting plate (7), a second through hole (10) is formed in the fixed mounting plate (7), bolt assemblies (9) are arranged in the first through hole (6) and the second through hole (10), and the fixed mounting plate (7) and the support frame (5) are mounted together through the bolt assemblies (9);
the bolt assembly (9) comprises a fixing block (901), a fixing stud (902) and a fixing nut (903), wherein the fixing stud (902) is fixedly connected to one side of the fixing block (901), and the fixing nut (903) is arranged on the outer surface of the fixing stud (902).
2. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the diameters of the first through holes (6) and the second through holes (10) are equal, and the number of the first through holes (6) and the number of the second through holes (10) are both a plurality.
3. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the outer surface of the fixing stud (902) is provided with first threads, and the inner wall of the fixing nut (903) is provided with second threads matched with the fixing stud (902).
4. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: one side fixedly connected with rubber lag (11) of adapter (8), adapter (8) be connected with electric wire (12) through rubber lag (11).
5. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the pickup surface of the pickup (8) faces to the direction of the three rotary fan blades (3).
6. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the outer surface of the supporting tower barrel (1) is fixedly connected with a reinforcing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021672725.2U CN212808157U (en) | 2020-08-12 | 2020-08-12 | Wind turbine blade fault intelligent monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021672725.2U CN212808157U (en) | 2020-08-12 | 2020-08-12 | Wind turbine blade fault intelligent monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212808157U true CN212808157U (en) | 2021-03-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021672725.2U Active CN212808157U (en) | 2020-08-12 | 2020-08-12 | Wind turbine blade fault intelligent monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212808157U (en) |
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2020
- 2020-08-12 CN CN202021672725.2U patent/CN212808157U/en active Active
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