CN209976699U - Wind turbine blade fault intelligent monitoring device - Google Patents
Wind turbine blade fault intelligent monitoring device Download PDFInfo
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- CN209976699U CN209976699U CN201920345732.2U CN201920345732U CN209976699U CN 209976699 U CN209976699 U CN 209976699U CN 201920345732 U CN201920345732 U CN 201920345732U CN 209976699 U CN209976699 U CN 209976699U
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- limiting rod
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Abstract
The utility model discloses an intelligent monitoring device for wind turbine blade faults, wherein a limiting rod extends outwards from the top and the bottom of a wind turbine column, a fixed rod is arranged between the two limiting rods, one side of the fixed rod faces the wind turbine blade, the top of the end part of the fixed rod is fixedly connected with an electric telescopic rod, the movable end of the electric telescopic rod is provided with a laser range finder and an infrared camera, the laser range finder and the infrared camera are both packaged in a monitoring shell, one side of the monitoring shell is provided with a sliding rod, the end part of the sliding rod is in rolling connection with the fixed rod, the output ends of the laser range finder and the infrared camera are both connected to an A/D converter, the output end of the A/D converter is connected to a memory, the output end of the A/D converter is connected to a monitoring terminal through an underground optical cable, the wind turbine column is, and the monitoring terminal is connected with the alarm through an underground optical cable. The utility model discloses effectively transmit the blade damage to monitor terminal, in time send the people maintenance.
Description
Technical Field
The utility model relates to a wind energy conversion system technical field specifically is a wind energy conversion system blade trouble intelligent monitoring device.
Background
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.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the intelligent monitoring device for the faults of the blades of the wind turbine is provided, and the problem that the damage of the blades cannot be timely monitored by the existing wind turbine is solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: an intelligent monitoring device for the fault of a wind turbine blade comprises a wind turbine body, wherein the wind turbine body comprises a wind turbine blade and a wind turbine column, the wind turbine blade is rotatably connected with the wind turbine column, the top and the bottom of the wind turbine column both extend outwards to form a limiting rod which is respectively a limiting rod A and a limiting rod B, the lengths of the limiting rod A and the limiting rod B are longer than the length of the wind turbine blade, a fixed rod is arranged between the limiting rod A and the limiting rod B, one side of the fixed rod faces the wind turbine blade, the top of the end part of the fixed rod is fixedly connected with an electric telescopic rod, the movable end of the electric telescopic rod is provided with a laser range finder and an infrared camera, the laser range finder and the infrared camera are both packaged in a monitoring shell, one side of the monitoring shell is provided with a sliding rod, and the end part of the sliding rod is in rolling connection with the fixed rod, the output of laser range finder and infrared camera all is connected to the AD converter just the output of AD converter is connected to the memory, the output of AD converter is connected to monitor terminal through secret optical cable, be equipped with the siren on the wind-powered engine post, monitor terminal with the siren passes through secret optical cable and connects.
Preferably, a sliding groove is formed in one side, facing the wind turbine blade, of the fixed rod in the height direction, sawteeth are formed in the two sides of the sliding groove in the length direction, a roller is rotatably connected to the end portion of the sliding rod, and the roller is meshed with the sawteeth.
Preferably, the movable end of the electric telescopic rod extends into a sliding groove in the fixed rod, and the movable end of the electric telescopic rod is fixedly connected to the upper surface of the monitoring shell through an L-shaped limiting rod.
Preferably, the surface of monitoring shell still is equipped with a light filling lamp and light sensor, light sensor with light filling lamp electric connection.
Preferably, one side of the monitoring housing is tightly attached to the surface of the fixing rod.
Preferably, the surface of the electric telescopic rod is sleeved with a protective shell, and the surfaces of the fixed rod, the limiting rod A and the limiting rod B are coated with anti-corrosion coatings.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model is provided with two limit rods, the ends of the limit rod A and the limit rod B extend to the surface of the wind turbine blade, a fixed rod is arranged between the limit rod A and the limit rod B, the top of the fixed rod is provided with an electric telescopic rod, the movable end of the electric telescopic rod is fixedly connected to a laser range finder 10 and an infrared camera 11, the distance between a monitoring shell and the wind turbine blade is measured by the action of the laser range finder, then the rotating speed can not be fast in the normal rotating process of the wind turbine blade, so the laser range finder measures the distance in the continuous rising or falling process, if the distance has overlarge deviation, the wind turbine blade can have problems, the laser range finder is connected to a monitoring terminal through an underground optical cable so as to send people to maintain in time, the infrared camera forms images, and sends the imaged picture information to the monitoring terminal, the monitoring terminal judges whether the blade is corroded by analyzing the picture, and if so, surrounding workers are reminded by the alarm so as to be maintained in time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the monitoring housing of the present invention;
fig. 3 is a schematic structural view of the sliding chute of the present invention.
In the figure: 1. a wind turbine blade; 2. a wind turbine column; 3. a limiting rod A; 4. a limiting rod B; 5. fixing the rod; 6. a protective housing; 7. an electric telescopic rod; 8. a chute; 9. monitoring the housing; 10. a laser range finder; 11. an infrared camera; 12. a slide bar; 13. a roller; 14. saw teeth; 15. a light sensor; 16. a light supplement lamp; 17. an alarm; 18. l type gag lever post.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
The intelligent monitoring device for the fault of the wind turbine blade shown in fig. 1-3 comprises a wind turbine body, wherein the wind turbine body comprises a wind turbine blade 1 and a wind turbine column 2, the wind turbine blade 1 is rotatably connected with the wind turbine column 2, the top and the bottom of the wind turbine column 2 are respectively provided with a limiting rod extending outwards, the limiting rod is respectively a limiting rod A3 and a limiting rod B4, the lengths of the limiting rod A3 and the limiting rod B4 are longer than the length of the wind turbine blade 1, a fixing rod 5 is arranged between the limiting rod A3 and the limiting rod B4, one side of the fixing rod 5 faces the wind turbine blade 1, the top of the end part of the fixing rod 5 is fixedly connected with an electric telescopic rod 7, the movable end of the electric telescopic rod 7 is provided with a laser range finder 10 and an infrared camera 11, the laser range finder 10 and the infrared camera 11 are both packaged in a monitoring shell 9, one side of monitoring shell 9 is equipped with a slide bar 12 just the tip of slide bar 12 with dead lever 5 roll connection, laser range finder 10 and infrared camera 11's output all is connected to the AD converter just the output of AD converter is connected to the memory, the output of AD converter is connected to monitor terminal through secret optical cable, be equipped with siren 17 on the wind-powered engine post 2, monitor terminal with siren 17 passes through secret optical cable and connects.
In this embodiment, a sliding groove 8 is formed in one side of the fixed rod 5 facing the wind turbine blade 1 along the height direction thereof, saw teeth 14 are formed in both sides of the sliding groove 8 along the length direction thereof, a roller 13 is rotatably connected to the end portion of the sliding rod 12, and the roller 13 is engaged with the saw teeth 14, so that the movement of the monitoring housing 9 is smoother.
In this embodiment, the movable end of the electric telescopic rod 7 extends into the sliding slot 8 of the fixing rod 5, and the movable end of the electric telescopic rod 7 is fixedly connected to the upper surface of the monitoring housing 9 through an L-shaped limiting rod 18. The electric telescopic rod 7 is arranged in the sliding groove 8, so that the electric telescopic rod 7 is prevented from being corroded by wind and rain from the outside.
In this embodiment, a light supplement lamp 16 and a light sensor 15 are further disposed on the surface of the monitoring housing 9, and the light sensor 15 is electrically connected to the light supplement lamp 16. Under the weaker condition of light, in time open light filling lamp 16 through light sensor 15, provide the light filling function for laser range finder 10 and infrared camera 11.
In this embodiment, one side of the monitoring housing 9 is closely attached to the surface of the fixing rod 5.
In this embodiment, the surface of the electric telescopic rod 7 is sleeved with a protective casing 6, and the surfaces of the fixed rod 5, the limiting rod a3 and the limiting rod B4 are coated with anti-corrosion coatings. Preventing it from being eroded by wind and rain.
In fig. 1-3, the utility model provides two position limiting rods, the tip of position limiting rod A3 and position limiting rod B4 extends to the surface of wind turbine blade 1, be equipped with dead lever 5 between position limiting rod A3 and position limiting rod B4, the top of dead lever 5 is equipped with electric telescopic handle 7, the expansion end fixed connection of electric telescopic handle 7 is to laser range finder 10 and infrared camera 11, the effect of laser range finder 10 is measured and is monitored the distance of shell apart from wind turbine blade 1, then because wind turbine blade 1 is in the normal pivoted in-process, the rotational speed can not be very fast, so laser range finder 10 is measuring its distance in the process of constantly rising or descending, if the distance takes place too big deviation, wind turbine blade 1 may have the problem, laser range finder 10 is connected to monitor terminal through the underground optical cable, in order to send people's maintenance in time, infrared camera 11 passes through infrared imaging, and picture information after will imaging is sent to monitor terminal, and monitor terminal is through the analysis picture, and the technical staff judges whether the blade receives the erosion, if receive the erosion, also reminds peripheral staff through siren 17 to can in time maintain.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a wind turbine blade trouble intelligent monitoring device which characterized in that: the wind turbine comprises a wind turbine body, the wind turbine body comprises a wind turbine blade (1) and a wind turbine column (2), the wind turbine blade (1) is rotatably connected with the wind turbine column (2), the top and the bottom of the wind turbine column (2) both extend outwards to form a limiting rod which is a limiting rod A (3) and a limiting rod B (4), the length of the limiting rod A (3) and the length of the limiting rod B (4) are longer than that of the wind turbine blade (1), a fixing rod (5) is arranged between the limiting rod A (3) and the limiting rod B (4), one side of the fixing rod (5) faces towards the wind turbine blade (1), the top of the end part of the fixing rod (5) is fixedly connected with an electric telescopic rod (7), and a laser range finder (10) and an infrared camera (11) are arranged at the movable end of the electric telescopic rod (7), laser range finder (10) and infrared camera (11) all encapsulate in a monitoring shell (9), one side of monitoring shell (9) is equipped with a slide bar (12) just the tip of slide bar (12) with dead lever (5) roll connection, the output of laser range finder (10) and infrared camera (11) all is connected to the AD converter just the output of AD converter is connected to the memory, the output of AD converter is connected to monitor terminal through secret optical cable, be equipped with siren (17) on wind-powered engine post (2), monitor terminal with siren (17) are connected through secret optical cable.
2. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: one side, facing the wind turbine blade (1), of the fixed rod (5) is provided with a sliding groove (8) along the height direction of the fixed rod, sawteeth (14) are arranged on two sides of the sliding groove (8) along the length direction of the sliding groove, the end of the sliding rod (12) is rotatably connected with a roller (13), and the roller (13) is meshed with the sawteeth (14).
3. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 2, wherein: the movable end of the electric telescopic rod (7) extends into the sliding groove (8) on the fixed rod (5), and the movable end of the electric telescopic rod (7) is fixedly connected to the upper surface of the monitoring shell (9) through an L-shaped limiting rod (18).
4. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the surface of monitoring shell (9) still is equipped with a light filling lamp (16) and light sensor (15), light sensor (15) with light filling lamp (16) electric connection.
5. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: one side of the monitoring shell (9) is tightly attached to the surface of the fixing rod (5).
6. The intelligent monitoring device for the fault of the wind turbine blade as claimed in claim 1, wherein: the surface cover of electric telescopic handle (7) is equipped with protecting sheathing (6), the surface of dead lever (5) and gag lever post A (3) and gag lever post B (4) all coats and has had anticorrosive coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345732.2U CN209976699U (en) | 2019-03-19 | 2019-03-19 | Wind turbine blade fault intelligent monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920345732.2U CN209976699U (en) | 2019-03-19 | 2019-03-19 | Wind turbine blade fault intelligent monitoring device |
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| Publication Number | Publication Date |
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| CN209976699U true CN209976699U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920345732.2U Active CN209976699U (en) | 2019-03-19 | 2019-03-19 | Wind turbine blade fault intelligent monitoring device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021260A1 (en) * | 2022-07-29 | 2024-02-01 | 哈电发电设备国家工程研究中心有限公司 | High-speed photography technology-based intelligent flaw detection system for steam turbine blades and working method |
-
2019
- 2019-03-19 CN CN201920345732.2U patent/CN209976699U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024021260A1 (en) * | 2022-07-29 | 2024-02-01 | 哈电发电设备国家工程研究中心有限公司 | High-speed photography technology-based intelligent flaw detection system for steam turbine blades and working method |
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