CN109194412A - A kind of acoustic emission monitor(ing) warning device, system and method - Google Patents
A kind of acoustic emission monitor(ing) warning device, system and method Download PDFInfo
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- CN109194412A CN109194412A CN201811358647.6A CN201811358647A CN109194412A CN 109194412 A CN109194412 A CN 109194412A CN 201811358647 A CN201811358647 A CN 201811358647A CN 109194412 A CN109194412 A CN 109194412A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 claims abstract description 30
- 230000003862 health status Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000013528 artificial neural network Methods 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 9
- 230000010354 integration Effects 0.000 abstract description 5
- 230000004044 response Effects 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 208000033748 Device issues Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
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- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The present invention relates to a kind of acoustic emission monitor(ing) warning device, system and method, the equipment includes: acoustic emission sensor, including one or more, is laid on monitored object, the acoustic emission signal issued for monitoring monitored object；Monitoring alarm host machine is deployed on the monitored object, is connected with the acoustic emission sensor, for according to the acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status.Technical solution of the present invention, the process integration of Analysis of Acoustic Emission Signal and data processing that the prior art carries out on the client is completed in acoustic emission monitor(ing) warning device, alarm signal and characteristic signal are directly issued by acoustic emission monitor(ing) warning device to client, eliminate the data transfer that acoustic emission signal is sent to client, eliminate the manual intervention process of signal analysis, signal processing faster, response it is rapider, the dependence of network is reduced, user is without artificial on duty, manually put into small, user experience height.
Description
Technical field
The present invention relates to acoustic emission fields, and in particular to a kind of acoustic emission monitor(ing) warning device, system and method.
Background technique
Sound emission is a kind of common physical phenomenon, and the frequency range of a variety of materials acoustic emission signal is very wide, from several Hz's
Infra-acoustic frequency, 20Hz-20K Hz audio frequency to number MHz supersonic frequency；The variation range of acoustic emission signal amplitude is also very big, from 10m
Microcosmic dislocation motion to 1m magnitude seismic wave.If the strain energy of sound emission release is sufficiently large, so that it may generate human ear and listen
The sound seen.Acoustic emission occurs when most of material deformation and fractures, but the acoustic emission signal intensity of many materials is very weak, people
Ear cannot directly be heard, need just detected by sensitive electronic instrument.With instrument detection, record, analysis sound emission
Signal and using acoustic emission signal infer acoustic emission source technology be known as acoustic emission, people visually claim sound emission instrument
For the stethoscope of material.
In concrete practice, acoustic emission can be used to monitor bridge breaking damage, buried pipeline leakage, tool wear
Deng.The principle of acoustic emission detection damage is that there are acoustic emission phenomenons in damage process for Structural Engineering material, passes through monitoring
Acoustic emission source can determine the information such as degree of injury and the happening part of engineering structure.The states such as acoustic emission detection abrasion
Principle be that different states has different acoustic emission signal spectrums, determine correspondence by detecting and identifying different sound spectrums
State.For example, the acoustic emission signal of crack and damage process and the acoustic emission signal of pivoting friction state, the former is burst letter
Number, discontinuous signal, the latter is continuous status signal, and the different state of monitored object corresponds to different acoustic emission signal spectrums.
In the prior art, acoustic emission monitor(ing) method is general are as follows: disposes acoustic emission sensor on monitored object, the sound emission
Perhaps background server is connected local server or background server according to acoustic emission sensor for sensor and local server
The monitoring signals of transmission carry out signal analysis and data processing, to obtain monitoring result.Disadvantage of the prior art is that: it is local
When server or background server carry out signal analysis and data processing, require manual intervention, therefore needs are artificial on duty, because
This, human input is big, and user experience is not high.
Summary of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of acoustic emission monitor(ing) alarms to set
Standby, system and method, it is artificial on duty to solve the needs of acoustic emission monitor(ing) in the prior art, cause human input big, user experience
Spend not high problem.
In order to achieve the above object, the present invention adopts the following technical scheme:
A kind of acoustic emission monitor(ing) warning device, comprising:
Acoustic emission sensor, including one or more are laid on monitored object, the sound issued for monitoring monitored object
Emit signal；
Monitoring alarm host machine is deployed on the monitored object, is connected with the acoustic emission sensor, for according to
Acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status.
Preferably, the acoustic emission sensor and the monitoring alarm host machine are integrated in same housing；Alternatively,
The acoustic emission sensor and the monitoring alarm host machine are not integrated in same housing.
Preferably, the monitoring alarm host machine, comprising:
Conditioning circuit, for carrying out Signal Pretreatment to the acoustic emission signal, the acoustic emission signal after being denoised；
Analog to digital conversion circuit, the signal for exporting to the conditioning circuit carry out analog-to-digital conversion, obtain digital sound emission
Signal；
Main control chip, for according to the acoustic emission signal, obtain the characteristic signal comprising monitored object health status and
Alarm signal；
Output module, for exporting the characteristic signal and alarm signal.
Preferably, the main control chip includes at least one of following item:
Fpga chip, connected discrete ARM chip and fpga chip, MCU single-chip microcontroller, the CPLD of embedded ARM core can be compiled
Journey logical device, DSP digital signal processing chip；
The output module, comprising: voice alarm module, light alarm module, alternatively, sound and light alarm module.
Preferably, the monitoring alarm host machine, further includes:
Communication module is connected with the main control chip；
The communication module includes at least one in following item:
Cable network link block, Internet of Things link block, mobile cellular network module.
In addition, the invention also provides a kind of acoustic emission monitor(ing) alarm systems, comprising:
Above-mentioned acoustic emission monitor(ing) warning device, and,
Server, and, intelligent terminal；
Wherein, the server is connected with the acoustic emission monitor(ing) warning device, intelligent terminal respectively, described for receiving
The characteristic signal and alarm signal that acoustic emission monitor(ing) warning device issues, and the characteristic signal and alarm signal are transmitted to institute
State intelligent terminal.
Preferably, the acoustic emission monitor(ing) warning device and the server, wired connection, and/or, it is wirelessly connected；
The server and the intelligent terminal are wirelessly connected.
In addition, the invention also provides a kind of acoustic emission monitor(ing) alarm methods, comprising:
Obtain the acoustic emission signal of monitored object；
According to the acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status.
Preferably, described according to the acoustic emission signal, characteristic signal and report of the output comprising monitored object health status
Alert signal, comprising:
Extract the characteristic parameter of the acoustic emission signal；
The characteristic parameter is input to parameter filter, characteristic signal of the output comprising particular kind of characteristic parameter and
Alarm signal；
The particular kind of characteristic parameter indicates the health status of monitored object.
Preferably,
The characteristic parameter of the acoustic emission signal, comprising: the characteristic parameter of the envelope of acoustic emission signal；
The characteristic parameter of the envelope, including at least one in following item:
The range value of envelope, the peak value number in envelope, envelope width.
Preferably, described according to the acoustic emission signal, characteristic signal and report of the output comprising monitored object health status
Alert signal, comprising:
The acoustic emission signal is filtered, the acoustic emission signal within the scope of pre-set bandwidths is obtained；
Artificial neural network identification is carried out to the acoustic emission signal within the scope of the pre-set bandwidths, output includes monitored object
The characteristic signal and alarm signal of health status.
Preferably, the method, further includes:
If the acoustic emission signal include it is multiple, extract the receiving time of the multiple acoustic emission signal；
According to the position where the receiving time, the transmission speed of acoustic emission signal and acoustic emission sensor, orient
The transmitting position of acoustic emission signal.
The invention adopts the above technical scheme, at least have it is following the utility model has the advantages that
To the Analysis of Acoustic Emission Signal and data processing that carry out on client (including server end) in the prior art
Process integration is completed in acoustic emission monitor(ing) warning device, directly issues alarm signal and spy by acoustic emission monitor(ing) warning device
Reference number gives client, eliminates the data transfer that acoustic emission signal is sent to client, eliminates the people of signal analysis
Work intervention, signal processing faster, response it is rapider, the dependence of network is reduced, user is artificial to throw without artificial on duty
Enter small, user experience height.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of schematic block diagram for acoustic emission monitor(ing) warning device that one embodiment of the invention provides；
Fig. 2 is a kind of schematic block diagram for acoustic emission monitor(ing) alarm system that one embodiment of the invention provides；
Fig. 3 is a kind of flow chart for acoustic emission monitor(ing) alarm method that one embodiment of the invention provides.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical solution of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Referring to Fig. 1, a kind of acoustic emission monitor(ing) warning device 100 of one embodiment of the invention offer, comprising:
Acoustic emission sensor 101, including one or more are laid on monitored object, are issued for monitoring monitored object
Acoustic emission signal；
Monitoring alarm host machine 102 is deployed on the monitored object, is connected with the acoustic emission sensor 101, and root is used for
According to the acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status.
Technical solution provided in this embodiment, the sound hair that will be carried out on client (including server end) in the prior art
The process integration for penetrating signal analysis and data processing is completed in acoustic emission monitor(ing) warning device, is set by acoustic emission monitor(ing) alarm
The standby alarm signal and characteristic signal of directly issuing is eliminated and was transmitted to the data that client sends acoustic emission signal to client
Journey, eliminates the manual intervention process of signal analysis, signal processing faster, response it is rapider, the dependence of network is reduced, is used
Family manually puts into small without artificial on duty, and user experience is high.
Preferably, the acoustic emission sensor 101 is integrated in same housing with the monitoring alarm host machine 102；Alternatively,
The acoustic emission sensor 101 is not integrated in same housing with the monitoring alarm host machine 102.
Preferably, if acoustic emission sensor 101 and the monitoring alarm host machine 102 are integrated in same housing, a sound
Emission sensor 101 is connected with a monitoring alarm host machine 102, if acoustic emission sensor 101 and the monitoring alarm host machine 102
It is not integrated in same housing, a monitoring alarm host machine 102 can be connected with one or more acoustic emission sensors 101.
Preferably, the monitoring alarm host machine 102, comprising:
Conditioning circuit, for carrying out Signal Pretreatment to the acoustic emission signal, the acoustic emission signal after being denoised；
Analog to digital conversion circuit, the signal for exporting to the conditioning circuit carry out analog-to-digital conversion, obtain digital sound emission
Signal；
Main control chip, for according to the acoustic emission signal, obtain the characteristic signal comprising monitored object health status and
Alarm signal；
Output module, for exporting the characteristic signal and alarm signal.
It is understood that the signal processing completed in the prior art at client (including server end), it can be with
Directly to be completed in monitoring alarm host machine, device integration is high, and signal transmission path is few, transmission range is short, strong antijamming capability,
Signal processing faster, response it is rapider, the dependence of network is reduced, user manually puts into small, user's body without artificial on duty
Degree of testing height.
Preferably, the main control chip includes at least one of following item:
Fpga chip, connected discrete ARM chip and fpga chip, MCU single-chip microcontroller, the CPLD of embedded ARM core can be compiled
Journey logical device, DSP digital signal processing chip；
The output module, comprising: voice alarm module, light alarm module, alternatively, sound and light alarm module.
Preferably, the monitoring alarm host machine 102, further includes:
Communication module is connected with the main control chip；
The communication module includes at least one in following item:
Cable network link block, Internet of Things link block, mobile cellular network module.
It is understood that the communication module can be connected with intelligent terminal or server, the intelligent terminal packet
It includes but is not limited to: smart phone, smartwatch, tablet computer, laptop etc..The communication module sends alarm signal
To server or intelligent terminal, administrative staff can be reminded to pay close attention to the health status of monitored object in time, extend monitored object
Service life, improve user experience.
In addition, referring to fig. 2, the invention also provides a kind of acoustic emission monitor(ing) alarm systems, comprising:
Above-mentioned acoustic emission monitor(ing) warning device 100, and,
Server 200, and, intelligent terminal 300；
Wherein, the server 200 is connected with the acoustic emission monitor(ing) warning device 100, intelligent terminal 300 respectively, uses
In receiving the characteristic signal and alarm signal that the acoustic emission monitor(ing) warning device 100 issues, and by the characteristic signal and report
Alert signal is transmitted to the intelligent terminal 300.
Preferably, the acoustic emission monitor(ing) warning device 100 and the server 200, wired connection, and/or, wirelessly connect
It connects；
The server 200 and the intelligent terminal 300, are wirelessly connected.
Technical solution provided in this embodiment, the sound hair that will be carried out on client (including server end) in the prior art
The process integration for penetrating signal analysis and data processing is completed in acoustic emission monitor(ing) warning device, is set by acoustic emission monitor(ing) alarm
The standby alarm signal and characteristic signal of directly issuing is eliminated and was transmitted to the data that client sends acoustic emission signal to client
Journey, eliminates the manual intervention process of signal analysis, signal processing faster, response it is rapider, the dependence of network is reduced, is used
Family manually puts into small without artificial on duty, and user experience is high.
In addition, the invention also provides a kind of acoustic emission monitor(ing) alarm methods referring to Fig. 3, comprising:
Step S11, the acoustic emission signal of monitored object is obtained；
Step S12, according to the acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status
Number.
Preferably, described according to the acoustic emission signal, characteristic signal and report of the output comprising monitored object health status
Alert signal, comprising:
Extract the characteristic parameter of the acoustic emission signal；
The characteristic parameter is input to parameter filter, characteristic signal of the output comprising particular kind of characteristic parameter and
Alarm signal；
The particular kind of characteristic parameter indicates the health status of monitored object.
Preferably,
The characteristic parameter of the acoustic emission signal, comprising: the characteristic parameter of the envelope of acoustic emission signal；
The characteristic parameter of the envelope, including at least one in following item:
The range value of envelope, the peak value number in envelope, envelope width.
It should be noted that this technical solution provided in this embodiment, the master suitable for acoustic emission monitor(ing) warning device
It controls in chip.By taking main control chip is the fpga chip of embedded ARM core as an example, above-mentioned acoustic emission monitor(ing) alarm method is illustrated
It is as follows:
Waveform signal analysing is obtained signal packet by digital waveform signal input → fpga chip and embedded software therein
The characteristic parameters such as peak value counting number, envelope width, that is, duration in the characteristic parameter range value of network and envelope, envelope →
Characteristic parameter is carried out parameter filter filtering and obtains alarm signal such as signal amplitude by ARM chip and embedded software therein
In 80-90dB, count in signal generation alarm signal of 12K-24K etc..
Preferably, described according to the acoustic emission signal, characteristic signal and report of the output comprising monitored object health status
Alert signal, comprising:
The acoustic emission signal is filtered, the acoustic emission signal within the scope of pre-set bandwidths is obtained；
Artificial neural network identification is carried out to the acoustic emission signal within the scope of the pre-set bandwidths, output includes monitored object
The characteristic signal and alarm signal of health status.
It should be noted that this technical solution provided in this embodiment, the master suitable for acoustic emission monitor(ing) warning device
It controls in chip.By taking main control chip is the fpga chip of embedded ARM core as an example, above-mentioned acoustic emission monitor(ing) alarm method is illustrated
It is as follows:
Waveform signal is filtered to obtain frequency by digital waveform signal input → fpga chip and embedded software therein
Waveform signal → ARM the chip and embedded software therein that rate window is 100KHz-400KHz are by the filtered waveform of FPGA
Signal carries out Pattern Recognition, output cracking (alarm signal) or noise (no alarm signal).
Preferably, the method, further includes:
If the acoustic emission signal include it is multiple, extract the receiving time of the multiple acoustic emission signal；
According to the position where the receiving time, the transmission speed of acoustic emission signal and acoustic emission sensor, orient
The transmitting position of acoustic emission signal.
It is understood that a monitoring alarm host machine, which can connect multiple acoustic emission sensors, obtains sound source propagation arrival
The time of multiple acoustic emission sensors and different acoustic emission sensor sound receive the time difference reached, are reported to calculate
The specific location that alert signal generates.Two acoustic emission sensors can obtain line positioning, and 3 or more can obtain face and position, and 4
It is a or more to can get stereoscopic three-dimensional positioning.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.Term " multiple " refers to
Two or more, unless otherwise restricted clearly.
Claims (10)
1. a kind of acoustic emission monitor(ing) warning device characterized by comprising
Acoustic emission sensor, including one or more are laid on monitored object, the sound emission issued for monitoring monitored object
Signal；
Monitoring alarm host machine is deployed on the monitored object, is connected with the acoustic emission sensor, for being sent out according to the sound
Penetrate signal, characteristic signal and alarm signal of the output comprising monitored object health status.
2. equipment according to claim 1, which is characterized in that
The acoustic emission sensor and the monitoring alarm host machine are integrated in same housing；Alternatively,
The acoustic emission sensor and the monitoring alarm host machine are not integrated in same housing.
3. equipment according to claim 1, which is characterized in that the monitoring alarm host machine, comprising:
Conditioning circuit, for carrying out Signal Pretreatment to the acoustic emission signal, the acoustic emission signal after being denoised；
Analog to digital conversion circuit, the signal for exporting to the conditioning circuit carry out analog-to-digital conversion, obtain digital acoustic emission signal；
Main control chip, for according to the acoustic emission signal, obtaining characteristic signal and alarm comprising monitored object health status
Signal；
Output module, for exporting the characteristic signal and alarm signal.
4. equipment according to claim 3, which is characterized in that the monitoring alarm host machine, further includes:
Communication module is connected with the main control chip；
The communication module includes at least one in following item:
Cable network link block, Internet of Things link block, mobile cellular network module.
5. a kind of acoustic emission monitor(ing) alarm system characterized by comprising
The described in any item acoustic emission monitor(ing) warning devices of Claims 1 to 4, and,
Server, and, intelligent terminal；
Wherein, the server is connected with the acoustic emission monitor(ing) warning device, intelligent terminal respectively, for receiving the sound hair
The characteristic signal and alarm signal of the sending of monitoring, alarming equipment are penetrated, and the characteristic signal and alarm signal are transmitted to the intelligence
It can terminal.
6. a kind of acoustic emission monitor(ing) alarm method characterized by comprising
Obtain the acoustic emission signal of monitored object；
According to the acoustic emission signal, characteristic signal and alarm signal of the output comprising monitored object health status.
7. according to the method described in claim 6, output is comprising being supervised it is characterized in that, described according to the acoustic emission signal
Survey the characteristic signal and alarm signal of object health status, comprising:
Extract the characteristic parameter of the acoustic emission signal；
The characteristic parameter is input to parameter filter, characteristic signal of the output comprising particular kind of characteristic parameter and alarm
Signal；
The particular kind of characteristic parameter indicates the health status of monitored object.
8. the method according to the description of claim 7 is characterized in that
The characteristic parameter of the acoustic emission signal, comprising: the characteristic parameter of the envelope of acoustic emission signal；
The characteristic parameter of the envelope, including at least one in following item:
The range value of envelope, the peak value number in envelope, envelope width.
9. according to the method described in claim 6, output is comprising being supervised it is characterized in that, described according to the acoustic emission signal
Survey the characteristic signal and alarm signal of object health status, comprising:
The acoustic emission signal is filtered, the acoustic emission signal within the scope of pre-set bandwidths is obtained；
Artificial neural network identification is carried out to the acoustic emission signal within the scope of the pre-set bandwidths, output includes monitored object health
The characteristic signal and alarm signal of state.
10. according to the method described in claim 6, it is characterized by further comprising:
If the acoustic emission signal include it is multiple, extract the receiving time of the multiple acoustic emission signal；
According to the position where the receiving time, the transmission speed of acoustic emission signal and acoustic emission sensor, hair of speaking is positioned
Penetrate the transmitting position of signal.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018338A (en) * | 2012-12-05 | 2013-04-03 | 河海大学 | Concrete lossless detection method based on sound emission and neural network |
| CN204439302U (en) * | 2015-02-02 | 2015-07-01 | 云南鼎点能源科技有限公司 | Solar energy water heater pipe leakage monitor |
| CN205540158U (en) * | 2016-01-26 | 2016-08-31 | 南京航空航天大学 | Oil depot environment remote monitering system based on BS framework |
| CN106194602A (en) * | 2016-08-26 | 2016-12-07 | 北京普华亿能风电技术有限公司 | A kind of wireless acoustic emission detection system of Wind turbines |
| CN107063583A (en) * | 2017-04-20 | 2017-08-18 | 北京声华兴业科技有限公司 | The acoustic emission detection system and method for a kind of valve leak |
| CN206800474U (en) * | 2017-05-22 | 2017-12-26 | 泊头市晨枫铸造有限责任公司 | A kind of intelligent well cover with piping failure alarm and anti-theft alarm function |
| CN207937402U (en) * | 2018-02-08 | 2018-10-02 | 南京林业大学 | The wooden component health monitoring device and system |
-
2018
- 2018-11-15 CN CN201811358647.6A patent/CN109194412A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103018338A (en) * | 2012-12-05 | 2013-04-03 | 河海大学 | Concrete lossless detection method based on sound emission and neural network |
| CN204439302U (en) * | 2015-02-02 | 2015-07-01 | 云南鼎点能源科技有限公司 | Solar energy water heater pipe leakage monitor |
| CN205540158U (en) * | 2016-01-26 | 2016-08-31 | 南京航空航天大学 | Oil depot environment remote monitering system based on BS framework |
| CN106194602A (en) * | 2016-08-26 | 2016-12-07 | 北京普华亿能风电技术有限公司 | A kind of wireless acoustic emission detection system of Wind turbines |
| CN107063583A (en) * | 2017-04-20 | 2017-08-18 | 北京声华兴业科技有限公司 | The acoustic emission detection system and method for a kind of valve leak |
| CN206800474U (en) * | 2017-05-22 | 2017-12-26 | 泊头市晨枫铸造有限责任公司 | A kind of intelligent well cover with piping failure alarm and anti-theft alarm function |
| CN207937402U (en) * | 2018-02-08 | 2018-10-02 | 南京林业大学 | The wooden component health monitoring device and system |
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