CN208383799U - Acoustic emission detection system - Google Patents
Acoustic emission detection system Download PDFInfo
- Publication number
- CN208383799U CN208383799U CN201820789238.0U CN201820789238U CN208383799U CN 208383799 U CN208383799 U CN 208383799U CN 201820789238 U CN201820789238 U CN 201820789238U CN 208383799 U CN208383799 U CN 208383799U
- Authority
- CN
- China
- Prior art keywords
- acoustic emission
- wireless transmitter
- signal
- detection system
- collector
- 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
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model relates to a kind of acoustic emission detection systems, comprising: acoustic emission sensor；Collector；First Wireless Transmitter；Second Wireless Transmitter and locator.Above-mentioned acoustic emission detection system is when in use, acoustic emission sensor is arranged in the acoustic emission signal on testee to detect testee, then acoustic emission signal is transmitted to collector, collector transmits a signal to the first Wireless Transmitter being closer, positional parameter is transferred to by remote second Wireless Transmitter by the first Wireless Transmitter again later, data are transmitted to locator again by the second Wireless Transmitter, and locator can position in real time emission source according to positional parameter.Above-mentioned acoustic emission detection system, which by wireless connection between collector and locator can efficiently solve acoustic emission detection system and require a great deal of time, arranges the problem of cable and detection field are limited to some large scale equipments and complex environment with manpower.
Description
Technical field
The utility model relates to acoustic emission fields, more particularly to a kind of acoustic emission detection system.
Background technique
Traditional acoustic emission detection system has several to dozens of sense channels, and each channel generally comprises sensor, adopts
Storage, instrument host and computer.Probe needs to be no more than with the connection of collector 2 meters of signal wire, and collector and instrument
The signal transmission of host is needed using cable.Detection for large scale equipment, generally requires tens channels, and each channel is equal
The signal cable of hundreds of meters of length is needed, therefore there are following drawbacks: one, increasing workload.Large scale equipment is detected, often
It is secondary to require to transport a large amount of signal cable to scene, and arrangement signal cable requires a great deal of time and manpower, greatly
The workload of detection is increased greatly.Two, increase risk.Part detection job site environment is complicated, and tens bars cables are wrong
Comprehensive complexity, needs personnel by climbing, overlap joint, brings certain risk to detection work.Three, detection field is limited.It is right
In some large scale equipments and complex environment, for example, amusement facility ferris wheel, roller-coaster, high steep open slope, overpass, big
The type water power library field Ba Deng, due to being routed more difficult or can not be routed, so that acoustic emission detection work can not be carried out.
Summary of the invention
Based on this, it is necessary to provide a kind of acoustic emission detection system, need to spend greatly to solve acoustic emission detection system
The problem of time of amount and manpower arrangement cable and detection field are limited to some large scale equipments and complex environment.
Its technical solution is as follows:
A kind of acoustic emission detection system, comprising: acoustic emission sensor；Collector, the collector include sending out with the sound
Penetrate the Signal Processing Element of sensor communication connection and the wireless receiving and dispatching element with Signal Processing Element communication connection；The
One Wireless Transmitter, first Wireless Transmitter and the wireless receiving and dispatching element are wirelessly connected；Second Wireless Transmitter, it is described
Second Wireless Transmitter and first Wireless Transmitter are wirelessly connected；And locator, the locator are wireless with described second
Transmitter communication connection.
When in use, acoustic emission sensor is arranged on testee to detect measured object above-mentioned acoustic emission detection system
The acoustic emission signal of body, is then transmitted to collector for acoustic emission signal, and Signal Processing Element will obtain after Acoustic emission signal processing
To positional parameter, positional parameter is transferred to the first Wireless Transmitter being closer by wireless receiving and dispatching element, later again by the
Positional parameter is transferred to remote second Wireless Transmitter by one Wireless Transmitter, and data are transmitted to by the second Wireless Transmitter again
Locator, locator can position in real time emission source according to positional parameter.Above-mentioned acoustic emission detection system is by adopting
Wireless connection between storage and locator can efficiently solve acoustic emission detection system and require a great deal of time and people
The problem of power arrangement cable and detection field are limited to some large scale equipments and complex environment.
Further, the collector further include with the acoustic emission sensor communication connection signal condition element and
The modulus transition element being connect with the signal condition element communication, the modulus transition element also with the Signal Processing Element
Communication connection.
Further, the signal condition element includes the signal amplification member with acoustic emission sensor communication connection
Part and with the signal amplification component communication connection signal filter element, the signal filter element also with the signal tune
Manage element communication connection.
Further, the collector further includes the data conversion with Signal Processing Element communication connection, institute
Data conversion is stated also to connect with the wireless receiving and dispatching element communication.
Further, the acoustic emission detection system further includes synchronous element, the acoustic emission sensor and described is adopted
Storage equal at least two, and at least two acoustic emission sensors and at least two collectors are electrical correspondingly
It connects, the Signal Processing Element at least two collectors is communicated to connect with the synchronous element.
Further, the synchronous element is GPS time service element.
Further, the acoustic emission detection system further includes and the wireless receipts at least two collectors
The third Wireless Transmitter that element is wirelessly connected is sent out, the third Wireless Transmitter also wirelessly connects with first Wireless Transmitter
It connects.
Further, the acoustic emission detection system further includes battery case, and the battery case includes and the collector
The savings battery of electric connection and the Wireless charging coil being electrically connected with the savings battery.
Further, the collector further includes magnetic shell, and the Signal Processing Element is set to the magnetic shell
Interior, the wireless receiving and dispatching element is set on the magnetic shell.
Further, the peak signal transmission range between first Wireless Transmitter and second Wireless Transmitter
For 10 kms.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of acoustic emission detection system described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of the collector of system described in the utility model embodiment；
Fig. 3 is the structural schematic diagram of acoustic emission detection system described in the utility model embodiment.
Description of symbols:
100, acoustic emission sensor, 200, collector, 210, Signal Processing Element, 220, wireless receiving and dispatching element, 230, letter
Number conditioning element, 240, modulus transition element, 250, data conversion, 260, signal amplification component, 270, signal filtering member
Part, the 300, first Wireless Transmitter, the 400, second Wireless Transmitter, 500, locator, 600, synchronous element, 700, third is wireless
Transmitter.
Specific embodiment
It is below in conjunction with attached drawing and specifically real for the purpose of this utility model, technical solution and advantage is more clearly understood
Mode is applied, the utility model is described in further detail.It should be understood that the specific embodiments described herein
Only to explain the utility model, the protection scope of the utility model is not limited.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
" first " described in the utility model, " second " do not represent specific quantity and sequence, are only used for title
It distinguishes.
As shown in Figs. 1-2, a kind of acoustic emission detection system described in an embodiment, comprising: acoustic emission sensor 100 is adopted
Storage 200, the first Wireless Transmitter 300, the second Wireless Transmitter 400 and locator 500.Acoustic emission sensor 100 is for visiting
Acoustic emission signal is surveyed, collector 200 is for acquiring acoustic emission signal, the first Wireless Transmitter 300 and the second Wireless Transmitter 400
For acoustic emission signal to be transmitted to locator 500 from collector 200, locator 500 is used to send out sound according to acoustic emission signal
The source of penetrating is positioned.
Optionally, collector 200 include with acoustic emission sensor 100 communicate to connect Signal Processing Element 210 and with letter
The wireless receiving and dispatching element 220 that number processing element 210 communicates to connect；First Wireless Transmitter 300 and wireless receiving and dispatching element 220 are wireless
Connection；Second Wireless Transmitter 400 and the first Wireless Transmitter 300 are wirelessly connected；Locator 500 and the second Wireless Transmitter
400 communication connections.
Signal Processing Element 210 is FPGA (Field-Programmable Gate in one of the embodiments,
Array, field programmable gate array) chip, wireless receiving and dispatching element 220 is Wi-Fi antenna, the first Wireless Transmitter 300 and the
Two Wireless Transmitters 400 are interchanger, and locator 500 is the computers such as computer or mobile terminal.When from voice sending sensor
When the acoustic emission signal of device 100 inputs to collector 200 by signal wire, Signal Processing Element 210 judges the sound of input signal
Amplitude size is answered, and the response amplitude of signal is compared with the threshold value of setting, when the response amplitude of input signal is greater than
When threshold value, input signal is acquired by wireless sound emission collector 200, and collected signal is passed by wireless receiving and dispatching element 220
Transport to the first Wireless Transmitter 300；First Wireless Transmitter 300 transfers data to the second Wireless Transmitter 400 again；Second nothing
Line transmitter 400 passes data to locator 500 by cable；Locator 500 handles data, finally to sound emission
Source positioning.
Wherein, threshold value is set as the main controllable factors of system sensitivity.Threshold value is lower, the information detected
It is more, but it is also more to may interfere with signal, therefore, it is necessary to compromise selection is done between sensitivity and interference, the door in an embodiment
Limit value is 35dB~55dB.
Further, collector 200 further include with acoustic emission sensor 100 communicate to connect signal condition element 230 and
The modulus transition element 240 communicated to connect with signal condition element 230, modulus transition element are also logical with Signal Processing Element 210
Letter connection.Signal condition element 230 is used to input to the analog signal conversion of collector 200 by acoustic emission sensor 100
For the acceptable analog signal of modulus transition element 240, modulus transition element 240 is used to convert the analog signal being received
For the digital signal handled convenient for Signal Processing Element 210.
Further, collector 200 further include with acoustic emission sensor 100 communicate to connect signal amplification component 260,
And with signal amplification component 260 communicate to connect signal filter element 270, signal filter element 270 also with signal condition element
230 communication connections.In practical applications, the acoustic emission signal that acoustic emission sensor 100 is detected is all fainter, passes through signal
Amplifier element 260 can effectively amplify acoustic emission signal, facilitate processing.Since acoustic emission sensor 100 is in detection sound
Interference signal can be detected while emitting signal, these interference signals can have an impact the positioning of occurring source, pass through signal
Filter element 270 can effectively filter out interference signal, improve the accuracy of positioning occurring source.
Further, collector 200 further includes the data conversion 250 communicated to connect with Signal Processing Element 210,
Data conversion 250 is also communicated to connect with wireless receiving and dispatching element 220.Specifically, data conversion 250 includes ARM processing
Device and Ethernet data converter, arm processor is for converting digital signals into the format that Ethernet can identify, Ethernet
Data converter is used to that the acceptable signal of wireless receiving and dispatching element 220 will to be converted to by the signal of arm processor processing.
When in use, acoustic emission sensor 100 is arranged on testee to detect quilt above-mentioned acoustic emission detection system
The acoustic emission signal for surveying object, is then transmitted to collector 200 for acoustic emission signal, Signal Processing Element 210 believes sound emission
Number processing after obtain positional parameter, positional parameter is transferred to the first Wireless Transmitter being closer by wireless receiving and dispatching element 220
300, positional parameter is transferred to by remote second Wireless Transmitter 400 by the first Wireless Transmitter 300 again later, second
Data are transmitted to locator 500 again by Wireless Transmitter 400, and locator 500 can carry out emission source according to positional parameter real-time
Positioning.Above-mentioned acoustic emission detection system can be efficiently solved by the wireless connection between collector 200 and locator 500
Acoustic emission detection system, which requires a great deal of time, arranges that cable and detection field are limited to some large sizes and set with manpower
The problem of standby and complex environment.
Please continue to refer to Fig. 3, as the further improvement of above-described embodiment, acoustic emission detection system further includes synchronous element
600, acoustic emission sensor 100 and collector 200 equal at least two, and at least two acoustic emission sensors 100 and at least two
A collector 200 is electrically connected correspondingly, the Signal Processing Element 210 at least two collectors 200 with synchronous member
Part 600 communicates to connect.
Optionally, synchronous element 600 is GPS time service element or synchronizer.In one embodiment, synchronous element 600 is GPS
Time service element, collector 200 receive GPS satellite time calibration clock by GPS time service element, to realize at least two acquisitions
Time synchronization between device 200, to realize the function of positioning using TDOA by the time difference for obtaining 200 signal of different acquisition device.
Further, acoustic emission detection system further includes and the wireless receiving and dispatching element 220 at least two collectors 200
The third Wireless Transmitter 700 of wireless connection, third Wireless Transmitter 700 are also wirelessly connected with the first Wireless Transmitter 300.It can
Selection of land, third Wireless Transmitter 700 are also interchanger.Specifically, the first Wireless Transmitter 300 and the second Wireless Transmitter 400
It is single node access switch, third Wireless Transmitter 700 is multinode access switch.Single node access switch is high
Fast data acquisition base station cooperates collector 200 and locator 500, can erect wireless data acquisition network, can be used as
The data receiver of data acquisition also can be used as the data sending terminal of data acquisition.Multinode access switch can
It is responsible for the multiple collectors 200 of management.
In one embodiment, the transmission path of acoustic emission signal data is as follows:
1, the received sound emission data of acoustic emission sensor 100 are transferred to collector 200 by signal wire；2, collector
200 are acquired and handle to sound emission data according to the condition that locator 500 is arranged and are transferred to third Wireless Transmitter
700；3, third Wireless Transmitter 700 is by data re-transmission to the first Wireless Transmitter 300 of closer distance；4, the first wireless biography
Defeated device 300 is transferred data to again with its distance farthest up to the second Wireless Transmitter 400 of 10 kms；5, the second Wireless Transmitter
400 pass data to locator 500 by cable；6, locator 500 handles data, finally fixed to acoustic emission source
Position.
Acoustic emission detection system further includes battery case in one of the embodiments, and battery case includes and 200 electricity of collector
Property connection savings battery and with savings battery be electrically connected Wireless charging coil.Wireless charging coil can pass through electromagnetism
Wave is connect with wireless transmission coil, to realize wireless charging.
In another embodiment, collector 200 further includes magnetic shell, and Signal Processing Element 210 is set to outside magnetism
In shell, wireless receiving and dispatching element 220 is set on magnetic shell.In this way, can be inhaled by magnetic device when installing collector 200
It is attached in measurand, facilitates installation.
Further, it is additionally provided with heat release hole on magnetic shell, radiates convenient for collector 200, collector 200 is avoided to operate
When the high temperature interference signal that generates.
Further, the shell of acoustic emission sensor 100 includes smooth stationary plane, and smooth stationary plane is to be measured for being set to
On object.In this way, can to avoid acoustic emission sensor 100 due to install it is unstable caused by position error.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of acoustic emission detection system characterized by comprising
Acoustic emission sensor；
Collector, the collector include with the acoustic emission sensor communication connection Signal Processing Element and with the letter
The wireless receiving and dispatching element of number processing element communication connection；
First Wireless Transmitter, first Wireless Transmitter and the wireless receiving and dispatching element are wirelessly connected；
Second Wireless Transmitter, second Wireless Transmitter and first Wireless Transmitter are wirelessly connected；And
Locator, the locator and second Wireless Transmitter communicate to connect.
2. acoustic emission detection system according to claim 1, which is characterized in that the collector further includes sending out with the sound
The modulus transition element penetrating the signal condition element of sensor communication connection and being connect with the signal condition element communication, institute
Modulus transition element is stated also to communicate to connect with the Signal Processing Element.
3. acoustic emission detection system according to claim 2, which is characterized in that the collector further includes sending out with the sound
Penetrate the signal amplification component of sensor communication connection and the signal filter element with signal amplification component communication connection, institute
Signal filter element is stated also to connect with the signal condition element communication.
4. acoustic emission detection system according to claim 3, which is characterized in that the collector further includes and the signal
The data conversion of processing element communication connection, the data conversion are also connect with the wireless receiving and dispatching element communication.
5. acoustic emission detection system according to claim 1-4, which is characterized in that it further include synchronous element, institute
State acoustic emission sensor and the collector equal at least two, and at least two acoustic emission sensors and at least two institutes
Collector is stated to be electrically connected correspondingly, the Signal Processing Element at least two collectors with it is described synchronous
Element communication connection.
6. acoustic emission detection system according to claim 5, which is characterized in that the synchronous element is GPS time service element.
7. acoustic emission detection system according to claim 6, which is characterized in that further include and at least two collectors
On the wireless receiving and dispatching element be wirelessly connected third Wireless Transmitter, the third Wireless Transmitter also with first nothing
Line transmitter is wirelessly connected.
8. acoustic emission detection system according to claim 1-4, which is characterized in that it further include battery case, it is described
Battery case includes the savings battery being electrically connected with the collector and the wireless charging electric wire with the savings battery electric connection
Circle.
9. acoustic emission detection system according to claim 1-4, which is characterized in that the collector further includes magnetic
Property shell, the Signal Processing Element is set in the magnetic shell, and the wireless receiving and dispatching element is set to described magnetic outer
On shell.
10. acoustic emission detection system according to claim 1-4, which is characterized in that first wireless transmission
Peak signal transmission range between device and second Wireless Transmitter is 10 kms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789238.0U CN208383799U (en) | 2018-05-24 | 2018-05-24 | Acoustic emission detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789238.0U CN208383799U (en) | 2018-05-24 | 2018-05-24 | Acoustic emission detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208383799U true CN208383799U (en) | 2019-01-15 |
Family
ID=64972366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820789238.0U Active CN208383799U (en) | 2018-05-24 | 2018-05-24 | Acoustic emission detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208383799U (en) |
-
2018
- 2018-05-24 CN CN201820789238.0U patent/CN208383799U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9569952B2 (en) | Systems and methods for individual tracking using multi-source energy harvesting | |
| TWI593988B (en) | Indoor positioning system and method | |
| CN103069778B (en) | For method, mobile device and the system of locating | |
| CN105974207A (en) | Three dimensional full-lightning detection positioning system based on very-low frequency/low frequency | |
| US11310996B2 (en) | Locating a mobile radiofrequency transmitter using a mobile receiver | |
| US20150268327A1 (en) | Ultrasound-based localization of client devices with inertial navigation supplement in distributed communication systems and related devices and methods | |
| CN102771031A (en) | Portable wireless terminal, wireless terminal device, and wireless communication system | |
| CN109547926A (en) | Wireless location mould group, wireless location cable and wireless location cable system | |
| CN102494787A (en) | Method and device for dynamically monitoring temperature of power cable connectors | |
| CN104155523A (en) | Satellite timing remote wireless phase detector | |
| CN113484698A (en) | Partial discharge detection system based on environmental data feedback | |
| CN103454661A (en) | Positioning system based on GPS and distance and angle measurement technology | |
| JP2004297334A (en) | Location information measuring terminal device, and location information measuring method by radio tag, as well as program | |
| CN208383799U (en) | Acoustic emission detection system | |
| CN104459620B (en) | A kind of radio positioner and method | |
| CN207690160U (en) | Based on electric line mapping system | |
| CN104090173A (en) | Multi-node distributed field intensity test system and method based on Bluetooth communication | |
| CN201373868Y (en) | Termite detection system | |
| JP7357266B2 (en) | Radio field strength monitoring system | |
| CN204990658U (en) | Pressure sensing device and data monitoring system | |
| CN208383800U (en) | Acoustic emission detection system | |
| CN107025781B (en) | Data acquisition system and method | |
| JP2012130028A (en) | Radio field intensity distribution measurement system, radio wave sensor and radio field intensity distribution measurement method | |
| CN102185670A (en) | Indoor antenna monitoring method and equipment for mobile communication | |
| CN109560881A (en) | A kind of investigation method and device of private network communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |