CN205936986U - Wind turbine generator system acoustic emission sensor's mounting structure - Google Patents
Wind turbine generator system acoustic emission sensor's mounting structure Download PDFInfo
- Publication number
- CN205936986U CN205936986U CN201620955876.6U CN201620955876U CN205936986U CN 205936986 U CN205936986 U CN 205936986U CN 201620955876 U CN201620955876 U CN 201620955876U CN 205936986 U CN205936986 U CN 205936986U
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- CN
- China
- Prior art keywords
- shell
- acoustic emission
- emission sensor
- mounting structure
- wind turbines
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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
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- Wind Motors (AREA)
Abstract
The utility model provides a wind turbine generator system acoustic emission sensor's mounting structure, includes cylindric shell, the top with lid of shell, the bottom outside is equipped with the magnetic ring, the bottom surface of magnetic ring and the bottom surface parallel and level of shell. The present invention provides a binding site reinforcing is fixed, has simple structure, the simple installation, and joint strength is high, shock resistance characteristics such as strong that's a wind turbine generator system acoustic emission sensor's mounting structure at first adsorbs strong magnetic ring on waiting to detect the bolt during use, then adopts epoxy to paint at bolt and strong magnetism ring. In addition, through setting up the spring between lid and piezoceramics module, make the piezoceramics module realize closely laminating with waiting to monitor between the bolt through the spring force effect to improve acoustic emission signal when acoustic emission sensor splits to the bolt and carried out the accuracy that detects.
Description
Technical field
The invention belongs to acoustic emission sensor field, the installation knot of more particularly to a kind of Wind turbines acoustic emission sensor
Structure.
Background technology
Increasingly perfect with acoustic emission, emission sensor has obtained increasingly being widely applied.But in wind-powered electricity generation
Unit bolt fracture monitoring technical field, because Wind turbines paddle is operationally in high-speed motion state, traditional sound is sent out
Penetrate sensor and cannot meet demand, be mainly manifested in：One is to carry out adsorbing connected mode, sensor and wind-powered electricity generation only with Magnet
Unit bolt is not firm, there is a possibility that to drop；Two are utilized in sensor base smears the binding agents such as epoxy resin
Mode, the piezoelectric ceramic piece leading to acoustic emission sensor closely cannot be connected with Wind turbines bolt, thus cannot accurately feel
Answer acoustic emission signal during bolt fracture.
Content of the invention
It is an object of the invention to overcoming the defect of prior art, provide a kind of simple for structure, easy for installation, connecting can
Lean on, detect a kind of accurately mounting structure of Wind turbines acoustic emission sensor.
For achieving the above object, present invention employs following technical scheme：
A kind of mounting structure of Wind turbines acoustic emission sensor, including cylindric shell 1, the top of described shell 1
It is provided with lid 4, bottom outside is provided with magnet ring 5；The bottom surface of described magnet ring 5 is concordant with the bottom surface of shell 1.
Further, it is provided with epoxy resin between described magnet ring 5 and shell 1, realize being adhesively fixed of magnet ring 5 and shell 1.
Further, described lid 4 and shell 1 are threaded connection.
Further, institute's shell 1 is additionally provided with interface 12.
Further, the inside of described shell 1 is provided with columned piezoelectric ceramics module 2；Lid 4 and piezoelectric ceramics module 2
Between be provided with spring 3；Described piezoelectric ceramics module 2 includes the cushion 21 being axially connected together and piezoelectric ceramic piece 22, institute
State the bottom that piezoelectric ceramic piece 22 part stretches out shell 1.
Further, the cushion wire casing 21 of piezoelectric ceramics module 2 is provided with through hole 23, the signal output of piezoelectric ceramic piece 22
Wire is connected on interface 12 through through hole 23.
Further, the diameter with diameter greater than piezoelectric ceramic piece 22 of described piezoelectric ceramics module 2 cushion 21, the two formation
First step structure 24；The bottom inside of described shell 1 is additionally provided with the second step structure matching with first step structure 24
11, for preventing piezoelectric ceramics module 2 from coming off from the bottom of shell 1.
Strong magnet ring is adsorbed during use by the mounting structure of a kind of Wind turbines acoustic emission sensor that the present invention provides first
On bolt to be detected, then bolt is applied to using epoxy resin and strengthens fixation with the binding site of strong magnetic annulus, have
Structure is simple, simple installation, and bonding strength is high, the features such as shock resistance is strong.Additionally, by lid and piezoelectric ceramics module it
Between arrange spring, by spring force effect make between piezoelectric ceramics module and bolt to be monitored realize fit tightly, thus
Improve the degree of accuracy that acoustic emission sensor is detected to acoustic emission signal during bolt fracture.
Brief description
Fig. 1 is a kind of overall structure figure of the mounting structure of present invention Wind turbines acoustic emission sensor；
Fig. 2 is a kind of profile of the mounting structure of present invention Wind turbines acoustic emission sensor；
Fig. 3 is a kind of explosive view of the mounting structure of present invention Wind turbines acoustic emission sensor.
Specific embodiment
Below in conjunction with accompanying drawing 1 to 3, further illustrate a kind of mounting structure of present invention Wind turbines acoustic emission sensor
Specific embodiment.A kind of mounting structure of present invention Wind turbines acoustic emission sensor is not limited to the following description.
As shown in Figures 1 to 3, a kind of mounting structure of Wind turbines of present invention acoustic emission sensor includes the shell of cylindrical shape
1, the top of described shell 1 is provided with lid 4, and bottom outside is provided with magnet ring 5；The bottom surface of described magnet ring 5 is put down with the bottom surface of shell 1
Together.It is provided with epoxy resin between described magnet ring 5 and shell 1, realize being adhesively fixed of magnet ring 5 and shell 1.Described lid 4 is with outward
Shell 1 is threaded connection.
It is additionally provided with interface 12 on institute's shell 1.The inside of described shell 1 is provided with columned piezoelectric ceramics module 2；Lid 4
It is provided with spring 3 and piezoelectric ceramics module 2 between；Described piezoelectric ceramics module 2 includes cushion 21 He being axially connected together
Piezoelectric ceramic piece 22, described piezoelectric ceramic piece 22 part stretches out the bottom of shell 1.The buffering layer line of described piezoelectric ceramics module 2
Groove 21 is provided with through hole 23, and the signal output wire of piezoelectric ceramic piece 22 is connected on interface 12 through through hole 23.Described piezoelectricity
The diameter with diameter greater than piezoelectric ceramic piece 22 of ceramic module 2 cushion 21, the two forms first step structure 24；Described shell
1 bottom inside is additionally provided with the second step structure 11 matching with first step structure 24, is used for preventing piezoelectric ceramics module 2
Come off from the bottom of shell 1.
Install a kind of Wind turbines acoustic emission sensor of the present invention mounting structure when, for being arranged on Wind turbines
Less occasion is shaken in tower inside etc., is directly adsorbed on bolt to be monitored using magnet ring 5；For being arranged on wind turbine
The group internal vibration such as hub interior or the larger occasion of motion amplitude, can smear the binding agents such as epoxy resin in magnet ring 5 bottom now,
Then adsorbed on bolt to be monitored using magnet ring 5.Pay special attention to avoid epoxy resin is applied on piezoelectric ceramic piece 22
Face.
Above content is to further describe it is impossible to assert with reference to specific preferred implementation is made for the present invention
Being embodied as of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of present inventive concept, some simple deduction or replace can also be made, all should be considered as belonging to the present invention's
Protection domain.
Claims (7)
1. a kind of mounting structure of Wind turbines acoustic emission sensor it is characterised in that：Including cylindric shell (1), described
The top of shell (1) is provided with lid (4), and bottom outside is provided with magnet ring (5)；The bottom surface of described magnet ring (5) and the bottom surface of shell (1)
Concordantly.
2. a kind of Wind turbines acoustic emission sensor according to claim 1 mounting structure it is characterised in that；Described magnetic
It is provided with epoxy resin between ring (5) and shell (1), realize being adhesively fixed of magnet ring (5) and shell (1).
3. a kind of Wind turbines acoustic emission sensor according to claim 1 mounting structure it is characterised in that：Described lid
Sub (4) and shell (1) are threaded connection.
4. a kind of Wind turbines acoustic emission sensor according to claim 1 mounting structure it is characterised in that：Institute's shell
(1) it is additionally provided with interface (12) on.
5. a kind of Wind turbines acoustic emission sensor according to claim 4 mounting structure it is characterised in that：Described outer
The inside of shell (1) is provided with columned piezoelectric ceramics module (2)；It is provided with spring 3 between lid (4) and piezoelectric ceramics module (2)；
Described piezoelectric ceramics module (2) includes cushion (21) and the piezoelectric ceramic piece (22) being axially connected together, described piezoelectricity pottery
Ceramics (22) partly stretches out the bottom of shell (1).
6. a kind of Wind turbines acoustic emission sensor according to claim 5 mounting structure it is characterised in that：Piezoelectricity is made pottery
The cushion wire casing (21) of ceramic former block (2) is provided with through hole (23), and the signal output wire of piezoelectric ceramic piece (22) passes through through hole
(23) it is connected on interface (12).
7. a kind of Wind turbines acoustic emission sensor according to claim 5 mounting structure it is characterised in that：Described pressure
The diameter with diameter greater than piezoelectric ceramic piece (22) of electroceramics module (2) cushion (21), the two forms first step structure
(24)；The bottom inside of described shell (1) is additionally provided with the second step structure (11) matching with first step structure (24), uses
Come off from the bottom of shell (1) in preventing piezoelectric ceramics module (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955876.6U CN205936986U (en) | 2016-08-26 | 2016-08-26 | Wind turbine generator system acoustic emission sensor's mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620955876.6U CN205936986U (en) | 2016-08-26 | 2016-08-26 | Wind turbine generator system acoustic emission sensor's mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205936986U true CN205936986U (en) | 2017-02-08 |
Family
ID=57953830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620955876.6U Expired - Fee Related CN205936986U (en) | 2016-08-26 | 2016-08-26 | Wind turbine generator system acoustic emission sensor's mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205936986U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124042A (en) * | 2016-08-26 | 2016-11-16 | 北京普华亿能风电技术有限公司 | A kind of acoustic emission sensor for Wind turbines |
| CN108644070A (en) * | 2018-05-16 | 2018-10-12 | 浙江运达风电股份有限公司 | A kind of online timing detection method of wind power generating set blade blade root bolt fracture and system |
-
2016
- 2016-08-26 CN CN201620955876.6U patent/CN205936986U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106124042A (en) * | 2016-08-26 | 2016-11-16 | 北京普华亿能风电技术有限公司 | A kind of acoustic emission sensor for Wind turbines |
| CN108644070A (en) * | 2018-05-16 | 2018-10-12 | 浙江运达风电股份有限公司 | A kind of online timing detection method of wind power generating set blade blade root bolt fracture and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |