CN208140639U - A kind of fan blade monitoring device based on acoustic emission - Google Patents
A kind of fan blade monitoring device based on acoustic emission Download PDFInfo
- Publication number
- CN208140639U CN208140639U CN201820783634.2U CN201820783634U CN208140639U CN 208140639 U CN208140639 U CN 208140639U CN 201820783634 U CN201820783634 U CN 201820783634U CN 208140639 U CN208140639 U CN 208140639U
- Authority
- CN
- China
- Prior art keywords
- acoustic emission
- fan blade
- module
- monitoring device
- signal
- Prior art date
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 14
- 230000006378 damage Effects 0.000 claims abstract description 33
- 230000002708 enhancing effect Effects 0.000 claims abstract description 4
- 208000027418 Wounds and injury Diseases 0.000 claims description 12
- 208000014674 injury Diseases 0.000 claims description 12
- 238000004458 analytical method Methods 0.000 claims description 11
- 238000007418 data mining Methods 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 claims description 4
- 239000011324 bead Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 238000013461 design Methods 0.000 abstract description 3
- 230000000737 periodic effect Effects 0.000 abstract description 3
- 238000011897 real-time detection Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The fan blade monitoring device based on acoustic emission that the utility model discloses a kind of, the device includes data acquisition components, and the data acquisition components include being set to the acoustic emission sensor that can successively communicate to connect on fan blade, acoustic emission preamplifier and the first wireless signal transmitting module；The acoustic emission sensor is used to acquire the acoustic emission signal on the fan blade, and the acoustic emission preamplifier is for enhancing the acoustic emission signal, and first wireless signal transmitting module is for emitting the enhanced acoustic emission signal；Data collecting card, the data collecting card are connected with the first reception of wireless signals module.The device can realize that fan blade realizes real-time detection, and the damage that timely discovering device occurs makes up the structural information recorded under blade operating status in the insufficient monitoring process of existing periodic detection, preferably provides theoretical foundation for the design of fan blade.
Description
Technical field
The utility model relates to fan operation state monitoring technical field, more particularly to a kind of based on acoustic emission
Fan blade monitoring device.
Background technique
Blade is one of wind power generating set critical component, is washed away during the work time by high wind loads, the grains of sand, atmosphere
The problems such as aoxidizing the influence with factors such as humid air corrosion, unavoidably will appear stomata, crack, abrasion, corrosion, it is such as too late
Shi Jinhang processing will lead to leaf destruction, seriously threaten unit safety operation.
Utility model content
The utility model provides a kind of fan blade monitoring device based on acoustic emission.
The utility model provides following scheme：
A kind of fan blade monitoring device based on acoustic emission, including：
Data acquisition components, the data acquisition components include being set to the sound hair that can successively communicate to connect on fan blade
Penetrate sensor, acoustic emission preamplifier and the first wireless signal transmitting module；The acoustic emission sensor is for acquiring institute
State the acoustic emission signal on fan blade, the acoustic emission preamplifier is for enhancing the acoustic emission signal, and described first
Wireless signal transmitting module is for emitting the enhanced acoustic emission signal；
Data collecting card, the data collecting card are connected with the first reception of wireless signals module, first wireless signal
Receiving module is used to receive the enhanced acoustic emission signal that first wireless signal transmitting module is sent；
Processor, the processor are connected with the data collecting card, and the processor is used to use wavelet packet analysis skill
Art is extracted and is identified to the acoustic emission signal, and obtains blade injury type and damage by Analysis on Data Mining
Rank.
Preferably：It further include alarm module, the alarm module is connected with the processor, and the processor was at that time
When the blade injury type and damage rank obtained reaches alarm threshold value, controls the alarm module and issue alarm.
Preferably：The alarm module includes driver and loudspeaker.
Preferably：The alarm module includes driver and LED lamp bead.
Preferably：The alarm module includes second wireless singal transmitting module, the second wireless singal transmitting module
For the blade injury type obtained and damage rank to be sent to the mobile terminal device of target user.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects：
By the utility model, a kind of fan blade monitoring device based on acoustic emission may be implemented, in a kind of reality
Under existing mode, the apparatus may include data acquisition components, the data acquisition components include being set on fan blade successively
Acoustic emission sensor, acoustic emission preamplifier and the first wireless signal transmitting module that can be communicated to connect；The sound emission
Sensor is used to acquire the acoustic emission signal on the fan blade, and the acoustic emission preamplifier is for enhancing the sound hair
Signal is penetrated, first wireless signal transmitting module is for emitting the enhanced acoustic emission signal；Data acquisition
Card, the data collecting card are connected with the first reception of wireless signals module, and first reception of wireless signals module is for receiving
The enhanced acoustic emission signal that first wireless signal transmitting module is sent；Processor, the processor with it is described
Data collecting card is connected, and the processor is used to that the acoustic emission signal to be extracted and be known using Wavelet Packet Analysis
Not, and by Analysis on Data Mining blade injury type and damage rank are obtained.The device can realize that fan blade is realized
Real-time detection, the damage that timely discovering device occurs make up and record blade fortune in the insufficient monitoring process of existing periodic detection
Structural information under row state preferably provides theoretical foundation for the design of fan blade.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other attached drawings.
Fig. 1 is a kind of connection of fan blade monitoring device based on acoustic emission provided by the embodiment of the utility model
Block diagram.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art's every other embodiment obtained, all belongs to
In the range of the utility model protection.
Embodiment
It is a kind of fan blade monitoring device based on acoustic emission provided by the embodiment of the utility model referring to Fig. 1,
As shown in Figure 1, the device includes data acquisition components 1, the data acquisition components 1 include being set on fan blade successively may be used
Acoustic emission sensor 101, acoustic emission preamplifier 102 and the first wireless signal transmitting module 103 of communication connection；It is described
Acoustic emission sensor 101 is used to acquire the acoustic emission signal on the fan blade, and the acoustic emission preamplifier 102 is used for
Enhance the acoustic emission signal, first wireless signal transmitting module 103 be used for by the enhanced acoustic emission signal into
Row transmitting；
Data collecting card 2, the data collecting card 2 are connected with the first reception of wireless signals module 201, and described first is wireless
Signal receiving module 201 is used to receive the enhanced sound emission letter that first wireless signal transmitting module 103 is sent
Number；
Processor 3, the processor 3 are connected with the data collecting card 2, and the processor 3 is used for using wavelet packet point
Analysis technology is extracted and is identified to the acoustic emission signal, and by Analysis on Data Mining obtain blade injury type with
Damage rank.
It further include alarm module 4, the alarm module 4 is connected with the processor 3, and the processor 4 for obtaining at that time
When the blade injury type and damage rank obtained reaches alarm threshold value, controls the alarm module and issue alarm.The report
Alert module includes driver and loudspeaker.The alarm module includes driver and LED lamp bead.The alarm module 4 wraps
Second wireless singal transmitting module 401 is included, the second wireless singal transmitting module is used for the blade injury class that will be obtained
Type and damage rank are sent to the mobile terminal device of target user.
Device provided by the present application mainly includes following system：
（1）Acoustic emission sensor subsystem：Using continuous type and demblee form acoustic emission, the solution of sensor
It adjusts and is realized by the high-frequency data acquisition device with AD conversion.
（2）Data transmission and storage subsystem：Damage signal is realized by acoustic emission preamplifier and fiber optic cables
Transmission, real-time storage is within the storage system.
（3）Data analysis and excavation subsystem：Wavelet Packet Analysis mentions the damaging impact signal of fan blade
It takes and identifies, blade injury type and damage rank can be automatically analyzed by data mining technology.
（4）Damage alarm subsystem：When the damage rank of blade reaches the threshold value to be alarmed, damage alarm subsystem can
Damage alarm is realized by way of computer controlled and SMS.
Fan blade detection device based on acoustic emission can dynamically monitor fan blade state on-line in real time, by sound
Emission sensor is laid in fan blade surface, enhances acoustic emission signal by acoustic emission preamplifier, acquires by data
Card receives signal, and finally the damaging impact signal of fan blade is extracted and identified using Wavelet Packet Analysis, can be certainly
Dynamic analysis blade injury type and damage rank.The device can realize that fan blade realizes real-time detection, and timely discovering device goes out
Existing damage makes up the structural information recorded under blade operating status in the insufficient monitoring process of existing periodic detection, more preferably
It is that the design of fan blade provides theoretical foundation.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection scope.
Claims (5)
1. a kind of fan blade monitoring device based on acoustic emission, which is characterized in that including：
Data acquisition components, the data acquisition components include being set to the sound emission that can successively communicate to connect on fan blade to pass
Sensor, acoustic emission preamplifier and the first wireless signal transmitting module；The acoustic emission sensor is for acquiring the wind
Acoustic emission signal on machine blade, for the acoustic emission preamplifier for enhancing the acoustic emission signal, described first is wireless
Signal emission module is for emitting the enhanced acoustic emission signal；Data collecting card, the data collecting card connect
It is connected to the first reception of wireless signals module, first reception of wireless signals module is for receiving the first wireless signal transmitting
The enhanced acoustic emission signal that module is sent；Processor, the processor are connected with the data collecting card, the place
Reason device is used to that the acoustic emission signal to be extracted and be identified using Wavelet Packet Analysis, and passes through data mining technology point
Analysis obtains blade injury type and damage rank.
2. the fan blade monitoring device according to claim 1 based on acoustic emission, which is characterized in that further include report
Alert module, the alarm module are connected with the processor, and the processor is used for the blade injury type obtained at that time
When reaching alarm threshold value with damage rank, controls the alarm module and issue alarm.
3. the fan blade monitoring device according to claim 2 based on acoustic emission, which is characterized in that the alarm
Module includes driver and loudspeaker.
4. the fan blade monitoring device according to claim 2 based on acoustic emission, which is characterized in that the alarm
Module includes driver and LED lamp bead.
5. the fan blade monitoring device according to claim 2 based on acoustic emission, which is characterized in that the alarm
Module includes second wireless singal transmitting module, and the second wireless singal transmitting module is used for the blade injury that will be obtained
Type and damage rank are sent to the mobile terminal device of target user.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820783634.2U CN208140639U (en) | 2018-05-24 | 2018-05-24 | A kind of fan blade monitoring device based on acoustic emission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820783634.2U CN208140639U (en) | 2018-05-24 | 2018-05-24 | A kind of fan blade monitoring device based on acoustic emission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208140639U true CN208140639U (en) | 2018-11-23 |
Family
ID=64314393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820783634.2U Active CN208140639U (en) | 2018-05-24 | 2018-05-24 | A kind of fan blade monitoring device based on acoustic emission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208140639U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766299A (en) * | 2020-07-02 | 2020-10-13 | 吉林省电力科学研究院有限公司 | Steam turbine blade crack assessment system and steam turbine blade crack early warning method |
| CN112431725A (en) * | 2020-10-29 | 2021-03-02 | 华能阳江风力发电有限公司 | Intelligent wind driven generator |
-
2018
- 2018-05-24 CN CN201820783634.2U patent/CN208140639U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111766299A (en) * | 2020-07-02 | 2020-10-13 | 吉林省电力科学研究院有限公司 | Steam turbine blade crack assessment system and steam turbine blade crack early warning method |
| CN112431725A (en) * | 2020-10-29 | 2021-03-02 | 华能阳江风力发电有限公司 | Intelligent wind driven generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208140639U (en) | A kind of fan blade monitoring device based on acoustic emission | |
| CN207195098U (en) | A kind of blade state monitoring system of the wind power generating set based on acoustic processing | |
| CN102466811B (en) | Micro-earthquake monitoring system and method | |
| CN105676268B (en) | A kind of strain type rock burst method for early warning based on sound signal waveform variation characteristic | |
| CN1786422A (en) | Method and system for monitoring gas in mine | |
| CN203894911U (en) | Mud-rock flow infrasound monitoring alarm device | |
| CN105275858A (en) | Internet of things intelligent fan system | |
| CN101951279A (en) | Power line carrier communication method for oil field underground testing and adjusting equipment | |
| CN206594305U (en) | A kind of wild animal monitoring device | |
| CN111509841A (en) | Cable external damage prevention early warning device with excavator characteristic quantity recognition function | |
| CN206523097U (en) | A kind of ground is big gun indirect fire bullet drop point detecting system | |
| CN201657210U (en) | Network control system of safety cabinet | |
| CN108267510A (en) | Wooden component health monitoring systems and method | |
| CN211287791U (en) | Coal mine safety production monitoring and early warning system | |
| CN204203482U (en) | A kind of high sensitivity line finder | |
| CN103410551A (en) | Data analysis system for ventilation safety | |
| CN203405232U (en) | Intelligent detecting system for power transmission line | |
| CN201114584Y (en) | Wireless dynamic signal collection and analysis system | |
| CN103854453A (en) | Family remote security and protection monitoring alarm system based on WCDMA network | |
| CN203838114U (en) | Porcelain post insulator vibration acoustic detection signal acquisition device | |
| CN208862845U (en) | A kind of acoustic emission monitor(ing) warning device and system | |
| CN211787388U (en) | Recognition early warning system for urban cable damaged by external force | |
| CN218547289U (en) | Refrigerator running noise collecting device and collecting system with same | |
| CN107656458A (en) | Engineering equipment monitoring device | |
| CN211828116U (en) | Equipment for detecting abnormal sound of equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240307 Address after: F17, Block C, International Investment Building, No. 6-9, Fuchengmen North Street, Xicheng District, Beijing 100,034 Patentee after: Longyuan (Beijing) New Energy Engineering Technology Co.,Ltd. Country or region after: China Address before: 100080 616, 6th floor, Sino foreign exchange building, 52 Zhongguancun South Street, Haidian District, Beijing Patentee before: ZHONGNENG POWER-TECH DEVELOPMENT Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |