CN213928639U - Multi-parameter data acquisition device for wind turbine generator - Google Patents
Multi-parameter data acquisition device for wind turbine generator Download PDFInfo
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- CN213928639U CN213928639U CN202023211650.0U CN202023211650U CN213928639U CN 213928639 U CN213928639 U CN 213928639U CN 202023211650 U CN202023211650 U CN 202023211650U CN 213928639 U CN213928639 U CN 213928639U
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- acceleration sensor
- vibration acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model discloses a wind turbine generator system multi-parameter data acquisition device, which comprises a data acquisition and analysis unit arranged in a hub of the wind turbine generator system and vibration acceleration sensors circumferentially distributed in three blades at the periphery of the hub, wherein the inner cavity of each blade is respectively provided with a first vibration acceleration sensor for acquiring the waving direction vibration data of the blade and a second vibration acceleration sensor for acquiring the shaking direction vibration data of the blade, a third vibration acceleration sensor for acquiring the axial direction vibration data of a pitch bearing is arranged on the pitch bearing on the hub of the wind turbine generator system, the three vibration acceleration sensors are connected with the data acquisition and analysis unit arranged in the hub of the wind turbine generator system, the data acquisition and analysis unit is used for synchronously acquiring acquisition signals of the three vibration acceleration sensors and processing and analyzing the acquisition signals.
Description
Technical Field
The utility model relates to a wind turbine generator system field specifically is a wind turbine generator system many parameter data acquisition device.
Background
The wind power generation field is a power generation field which converts the kinetic energy of wind into electric energy, the wind is a pollution-free energy source, the wind power generation is very environment-friendly, the generated electric energy is very huge, the wind is utilized by people for a long time-mainly water pumping, surface grinding and the like through a windmill, and the wind energy is used as a clean renewable energy source.
Different types of sensors are required to be installed for monitoring the wind generating set, physical values of different parameters are measured, and equipment faults are diagnosed through overall analysis of multiple parameters. However, the existing prior art cannot effectively monitor the data of the blade flapping direction vibration, the blade oscillating direction vibration and the axial vibration of the variable-pitch bearing.
Disclosure of Invention
An object of the utility model is to the above-mentioned not enough and defect of prior art, provide a wind turbine generator system many parameter data acquisition device to solve above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
the wind turbine generator system multi-parameter data acquisition device comprises a data acquisition and analysis unit installed in a hub of a wind turbine generator system and vibration acceleration sensors distributed in the three blades on the periphery of the hub in the circumferential direction, and is characterized in that an inner cavity of each blade is provided with a first vibration acceleration sensor used for acquiring the vibration data of the waving direction of the blade and a second vibration acceleration sensor used for acquiring the vibration data of the oscillating direction of the blade respectively, a variable pitch bearing on the hub of the wind turbine generator system is provided with a third vibration acceleration sensor used for acquiring the vibration data of the axial direction of the variable pitch bearing, the first vibration acceleration sensor, the second vibration acceleration sensor and the third vibration acceleration sensor are connected with the data acquisition and analysis unit arranged in the hub of the wind turbine generator system, and the data acquisition and analysis unit is used for synchronously acquiring the first vibration acceleration sensor, the second vibration acceleration sensor and the third vibration acceleration sensor, And collecting signals of the second vibration acceleration sensor and the third vibration acceleration sensor, and processing and analyzing the collected signals.
Preferably, the first vibration acceleration sensor and the second vibration acceleration sensor are fixed in the inner cavity of the blade through insulating connecting blocks.
Preferably, the first and second vibration acceleration sensors are arranged at the blade root 1/3 over the entire length of the blade.
Preferably, the insulating connecting block includes the bakelite material connecting block, first vibration acceleration sensor, second vibration acceleration sensor pass through the double-screw bolt and are connected with the bakelite material connecting block, and the bakelite material connecting block is fixed with the mode that the blade passes through epoxy and seals to paste.
Preferably, the central axis of the first vibration acceleration sensor is parallel to the direction in which the leading edge of the blade points to the trailing edge of the blade, and the central axis of the second vibration acceleration sensor is perpendicular to the direction in which the leading edge of the blade points to the trailing edge of the blade.
Preferably, the third vibration acceleration sensor is fixed on the inner wall of the inner ring of the pitch bearing through an insulating connecting block.
Since the technical scheme as above is used, the utility model discloses can gather the axial direction vibration data of waving direction vibration data and the direction vibration data of shaking and become the oar bearing of blade in real time, handle and analysis through data acquisition and analysis unit to learn whether the blade has the damage, whether it has the damage to become the oar bearing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the installation positions of the first vibration acceleration sensor and the second vibration acceleration sensor of the present invention.
Fig. 3 is a schematic view of the installation state of the first vibration acceleration sensor and the second vibration acceleration sensor of the present invention.
Fig. 4 is a schematic view of a mounting state of the third vibration acceleration sensor according to the present invention.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to the multi-parameter data acquisition apparatus of the wind turbine generator shown in fig. 1-4, which includes a data acquisition and analysis unit 400 installed in the wind turbine generator hub 100, and a first vibration acceleration sensor 10 and a second vibration acceleration sensor 20 circumferentially distributed in three blades 200 at the periphery of the wind turbine generator hub 100, wherein the inner cavity of each blade 200 is respectively provided with the first vibration acceleration sensor 10 for acquiring the vibration data of the flapping direction of the blade and the second vibration acceleration sensor 20 for acquiring the vibration data of the oscillating direction of the blade, and a third vibration acceleration sensor 30 for acquiring the vibration data of the axial direction of the pitch bearing 300 is arranged on the pitch bearing 300 on the wind turbine generator hub 100. The data collecting and analyzing unit 400 is used for synchronously collecting the collected signals of the first vibration acceleration sensor 10, the second vibration acceleration sensor 20 and the third vibration acceleration sensor 30, and processing and analyzing the collected signals. The data acquisition and analysis unit 400 is a data acquisition and analysis unit commonly used in existing wind turbine generator systems, and is prior art.
In this embodiment, the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 are fixed in the inner cavity of the blade 200 through an insulating connecting block, preferably, the insulating connecting block includes a bakelite connecting block, the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 are connected with the bakelite connecting block through a stud, and the bakelite connecting block is fixed with the blade through an epoxy resin sealing and adhering manner. Due to the insulation between the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 and the blade 200, the lightning protection performance is improved. The first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 are arranged at the position of 1/3 blade total length from the blade root, namely the blade total length is L, the distance from the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 to the blade root is 1/3L, and the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 are arranged at the position, so that the proper vibration data of the blade can be obtained, and the wiring is convenient; if the first vibration acceleration sensor 10 and the second vibration acceleration sensor 20 are arranged at positions relatively close to the root of the blade, the acquired vibration data are inaccurate; if the first and second vibration acceleration sensors 10 and 20 are disposed at positions relatively far from the blade root, the acquired vibration data are too complicated and are not favorable for wiring. The third vibration acceleration sensor 30 is fixed on the inner wall of the inner ring 310 of the pitch bearing 300 through an insulation connecting block.
The first vibration acceleration sensor 10 is used for collecting blade flap direction vibration data, a central axis of the first vibration acceleration sensor 10 is parallel to a direction in which a blade leading edge 201 points to a blade trailing edge 202, the second vibration acceleration sensor 20 is used for collecting blade flap direction vibration data, and the central axis of the second vibration acceleration sensor 10 is perpendicular to the direction in which the blade leading edge 201 points to the blade trailing edge 202.
The utility model discloses can gather the axial direction vibration data of waving direction vibration data and the direction vibration data of shaking and become the oar bearing of blade in real time, through data acquisition and analysis unit handle and analysis to learn whether the blade has the damage, whether become the oar bearing and have the damage.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The wind turbine generator system multi-parameter data acquisition device comprises a data acquisition and analysis unit (400) installed in a wind turbine generator system hub (100) and vibration acceleration sensors circumferentially distributed in three blades (200) on the periphery of the hub (100), and is characterized in that a first vibration acceleration sensor (10) used for acquiring blade waving direction vibration data and a second vibration acceleration sensor (20) used for acquiring blade vibration direction vibration data are respectively arranged in an inner cavity of each blade, a third vibration acceleration sensor (30) used for acquiring axial direction vibration data of a pitch bearing is arranged on the pitch bearing (300) on the wind turbine generator system hub (100), and the first vibration acceleration sensor (10), the second vibration acceleration sensor (20) and the third vibration acceleration sensor (30) are connected with the data acquisition and analysis unit (400) arranged in the wind turbine generator system hub (100), the data acquisition and analysis unit (400) is used for synchronously acquiring the acquisition signals of the first vibration acceleration sensor (10), the second vibration acceleration sensor (20) and the third vibration acceleration sensor (30), and processing and analyzing the acquisition signals.
2. The wind turbine generator system multi-parameter data acquisition device according to claim 1, wherein the first vibration acceleration sensor (10) and the second vibration acceleration sensor (20) are fixed in an inner cavity of the blade (200) through an insulating connection block.
3. The wind turbine generator system multi-parameter data acquisition device according to claim 2, wherein the first vibration acceleration sensor (10) and the second vibration acceleration sensor (20) are arranged at a distance 1/3 from the root of the blade along the total length of the blade.
4. The wind turbine generator system multiparameter data acquisition device according to claim 2, wherein the insulating connection block comprises a bakelite connection block, the first vibration acceleration sensor (10) and the second vibration acceleration sensor (20) are connected with the bakelite connection block through studs, and the bakelite connection block and the blade (200) are fixed in a sealing and sticking manner through epoxy resin.
5. The wind turbine generator system multi-parameter data acquisition device as claimed in claim 1, wherein the central axis of the first vibration acceleration sensor (10) is parallel to the direction in which the blade leading edge (201) points to the blade trailing edge (202), and the central axis of the second vibration acceleration sensor (20) is perpendicular to the direction in which the blade leading edge (201) points to the blade trailing edge (202).
6. The wind turbine generator system multi-parameter data acquisition device according to claim 1, wherein the third vibration acceleration sensor (30) is fixed on the inner wall of the inner ring (301) of the pitch bearing (300) through an insulating connection block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023211650.0U CN213928639U (en) | 2020-12-28 | 2020-12-28 | Multi-parameter data acquisition device for wind turbine generator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023211650.0U CN213928639U (en) | 2020-12-28 | 2020-12-28 | Multi-parameter data acquisition device for wind turbine generator |
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| CN213928639U true CN213928639U (en) | 2021-08-10 |
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| CN202023211650.0U Active CN213928639U (en) | 2020-12-28 | 2020-12-28 | Multi-parameter data acquisition device for wind turbine generator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2620553A (en) * | 2022-07-03 | 2024-01-17 | Insight Analytics Solutions Holdings Ltd | Wind turbine blade monitoring |
| CN117646707A (en) * | 2024-01-30 | 2024-03-05 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
-
2020
- 2020-12-28 CN CN202023211650.0U patent/CN213928639U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2620553A (en) * | 2022-07-03 | 2024-01-17 | Insight Analytics Solutions Holdings Ltd | Wind turbine blade monitoring |
| CN117646707A (en) * | 2024-01-30 | 2024-03-05 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
| CN117646707B (en) * | 2024-01-30 | 2024-04-19 | 安徽容知日新科技股份有限公司 | Fan hub monitoring method, device, equipment and storage medium |
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