CN207937402U - The wooden component health monitoring device and system - Google Patents
The wooden component health monitoring device and system Download PDFInfo
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- CN207937402U CN207937402U CN201820232736.5U CN201820232736U CN207937402U CN 207937402 U CN207937402 U CN 207937402U CN 201820232736 U CN201820232736 U CN 201820232736U CN 207937402 U CN207937402 U CN 207937402U
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- 230000036541 health Effects 0.000 title claims abstract description 64
- 238000012806 monitoring device Methods 0.000 title claims abstract description 39
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
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- 238000001514 detection method Methods 0.000 claims abstract description 17
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Abstract
A kind of wooden component health monitoring device of the utility model offer and system, are related to the wooden component monitoring technical field, wherein the wooden component health monitoring device includes：Multiple wireless acoustic emission sensor nodes and the control terminal being deployed on timber buildings wood component；Wirelessly acoustic emission sensor node includes：Acoustic emission sensor, the first microcontroller；The acoustic emission signal of the wooden component of acoustic emission sensor acquisition, and acoustic emission signal is sent to the first microcontroller；First microcontroller carries out parameter extraction according to acoustic emission signal, obtains characteristics of Acoustic Emission parameter, and characteristics of Acoustic Emission parameter is sent to control terminal；Control terminal obtains the health detection result of the wooden component according to characteristics of Acoustic Emission parameter.Multiple monitoring nodes of the present apparatus based on wireless acoustic emission sensor network, can in real time, the health status of monitor wood component, and overcome that monitoring system cost of installation and maintenance in the prior art is high, problem of autgmentability difference.
Description
Technical field
The utility model is related to the wooden component monitoring technical fields, more particularly, to a kind of wooden component health monitoring device and are
System.
Background technology
Structural health monitoring technology is widely used to the civil engineerings such as bridge, dam, large complicated building structure at present
Field.For the ancient building that China and worldwide widespread need are protected and repaired, the application of the technology
To have immeasurable Cultural Significance and economic value with promoting.
Typically, the composition of ancient building structural healthy monitoring system and structural healthy monitoring system base in general sense
This is consistent, but has the characteristics that its own again simultaneously：One, the laying of monitoring system disturbs structural body small, that is, monitors system
Installation and using cannot to ancient architecture building structure itself safety formed hidden danger.Two, the laying of monitoring system does not influence ancient building
Beauty, i.e., be monitored system design when, to consider the reasonable Arrangement mode of equipment, circuit etc., other can also be used not
The decorative means for influencing building structure, make monitoring device hidden as possible.Three, institute's measured data is highly reliable, that is, monitors the resistance to of system
Long property, reliability and strong interference immunity, can work, measurement accuracy meets needs always in rugged environment condition.Four, conveniently
It constructs and is readily disassembled and replaces, monitor the installation of system and any technology for implementing, with operability, to apply ancient building
Behavior is both needed to invertibity.
With the development of wireless communication technique and micro-electronic mechanical skill in recent years, the structure based on wireless sensor network
Health monitoring has obtained extensive concern.However in the existing monitoring system based on wireless sensor network, use is all
The characteristics of being the sensor and system structure essentially identical with conventional structure health monitoring systems, being directed to the wooden structure ancient architecture, is special
It improves, and most widely used fiber-optic grating sensor, although having the advantages that reliable and stable, deficiency is also apparent from：
A large amount of conducting wire is needed to connect, cost is relatively high；It is more fragile, once conducting wire destruction will cause sensor to exit work；Peace
Fill heavy workload, maintenance cost height etc..
Utility model content
In view of this, the purpose of this utility model is to provide a kind of wooden component health monitoring device and system, it is based on nothing
Multiple monitoring nodes of line acoustic emission sensor network, real-time, monitor wood component health status, and overcome existing
Have and monitors that system cost of installation and maintenance is high, problem of autgmentability difference in technology.
In a first aspect, the utility model embodiment provides a kind of wooden component health monitoring device, including：It is deployed in the wooden knot
Structure builds multiple wireless acoustic emission sensor nodes and control terminal on the wooden component；
Wirelessly acoustic emission sensor node includes：Acoustic emission sensor, the first microcontroller；
The acoustic emission signal of the wooden component of acoustic emission sensor acquisition, and acoustic emission signal is sent to the first microcontroller；
First microcontroller carries out parameter extraction according to acoustic emission signal, obtains characteristics of Acoustic Emission parameter, and by sound emission
Characteristic parameter is sent to control terminal；
Control terminal obtains the health detection result of the wooden component according to characteristics of Acoustic Emission parameter.
With reference to first aspect, the utility model embodiment provides the first possible embodiment of first aspect,
In, wireless acoustic emission sensor node further includes：Data acquisition module；
Data acquisition module is connect with acoustic emission sensor and the first microcontroller respectively；
Data acquisition module will to the acoustic emission signal progress high speed acquisition for the wooden component that acoustic emission sensor is detected
Signal after acquisition is sent to the first microcontroller.
With reference to first aspect, the utility model embodiment provides second of possible embodiment of first aspect,
In, wireless acoustic emission sensor node further includes：Preamplifier, filter；
Preamplifier is connect with acoustic emission sensor and filter respectively；
Filter is connect with data acquisition module；
The acoustic emission signal that preamplifier acquires acoustic emission sensor is amplified, and amplified signal is sent
To filter；
Filter is filtered amplified signal, and filtered signal is sent to data acquisition module.
With reference to first aspect, the utility model embodiment provides the third possible embodiment of first aspect,
In, wireless acoustic emission sensor node further includes：First power management module, the first wireless transport module；
First power management module, the first wireless transport module are connect with the first microcontroller respectively；
First power management module, the first supply voltage value for detecting acoustic emission sensor, and the first power supply is electric
Pressure value sends out institute to the first microcontroller；
First microcontroller is sent to control terminal by the first wireless transport module, by the first supply voltage value.
With reference to first aspect, the utility model embodiment provides the 4th kind of possible embodiment of first aspect,
In, wireless acoustic emission sensor node further includes：First data memory module；
First data memory module is connect with the first microcontroller；
Data transmitted by first the first microcontroller of data memory module pair store；Data include：Sound emission is believed
Number, characteristics of Acoustic Emission supplemental characteristic.
With reference to first aspect, the utility model embodiment provides the 5th kind of possible embodiment of first aspect,
In, control terminal includes：Second microcontroller, warning device；
Second microcontroller is connect with the first microcontroller, warning device respectively；
Second microcontroller is used to receive the characteristics of Acoustic Emission parameter transmitted by the first microcontroller, and to characteristics of Acoustic Emission
Parameter is analyzed, and the health detection result of the wooden component is obtained；
Second microcontroller is additionally operable to receive the first supply voltage value transmitted by the first microcontroller, judges the first power supply
When voltage value is more than the first predetermined voltage threshold, control warning device is alarmed.
With reference to first aspect, the utility model embodiment provides the 6th kind of possible embodiment of first aspect,
In, control terminal further includes：Second source management module；
Second source management module is connect with the second microcontroller；
Second source management module detects the second source voltage value of control terminal, and in second source voltage value less than the
When two predetermined voltage thresholds, automatically switches lithium battery and be powered.
With reference to first aspect, the utility model embodiment provides the 7th kind of possible embodiment of first aspect,
In, control terminal further includes：Second wireless transport module, the second data memory module；
Second wireless transport module, the second data memory module are connect with the second microcontroller respectively；
Second microcontroller receives the data transmitted by the first microcontroller by the second wireless transport module；
Second data memory module, for being stored to the data transmitted by the second microcontroller.
With reference to first aspect, the utility model embodiment provides the 8th kind of possible embodiment of first aspect,
In, control terminal further includes：Communication interface；
Communication interface is connect with the second microcontroller；
Communication interface includes：USB interface and/or RS232 interface.
Second aspect, the utility model provide a kind of wooden component health monitoring systems, including handheld terminal and such as first
The wooden component health monitoring device described in aspect；
Handheld terminal is communicated to connect with the control terminal in the wooden component health monitoring device；
Handheld terminal receives the wooden component health detection transmitted by control terminal as a result, so that staff refers to.
The utility model embodiment brings following advantageous effect：
The wooden component health monitoring device that the utility model embodiment provides, including be deployed on timber buildings wood component
Multiple wireless acoustic emission sensor nodes and control terminal, wherein wireless acoustic emission sensor node includes：Voice sending sensor
Device, the first microcontroller；The acoustic emission signal of the wooden component of acoustic emission sensor acquisition, and it is micro- that acoustic emission signal is sent to first
Controller；First microcontroller carries out parameter extraction according to acoustic emission signal, obtains characteristics of Acoustic Emission parameter, and sound emission is special
Sign parameter is sent to control terminal；Control terminal obtains the health detection result of the wooden component according to characteristics of Acoustic Emission parameter.This reality
The wooden component health monitoring device provided with new embodiment, multiple monitoring sections based on wireless acoustic emission sensor network
Point, real-time, monitor wood component health status, and overcome monitoring system cost of installation and maintenance in the prior art
High, autgmentability difference problem.
Other feature and advantage of the utility model will illustrate in the following description, also, partly from specification
In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages are illustrating
Specifically noted structure is realized and is obtained in book, claims and attached drawing.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment cited below particularly, and
The appended attached drawing of cooperation, is described in detail below.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of structural schematic diagram for wooden component health monitoring device that the utility model embodiment one provides；
Fig. 2 is a kind of schematic diagram in kind for wooden component health monitoring device that the utility model embodiment one provides；
Fig. 3 is wireless voice sending sensor in a kind of skid component health monitoring device that the utility model embodiment one provides
The structural schematic diagram of device node；
Fig. 4 is that the structure of control terminal in a kind of wooden component health monitoring device that the utility model embodiment one provides is shown
It is intended to；
Fig. 5 is a kind of structural schematic diagram for wooden component health monitoring systems that the utility model embodiment two provides.
Specific implementation mode
To keep the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with attached drawing to this
The technical solution of utility model is clearly and completely described, it is clear that described embodiment is that the utility model part is real
Example is applied, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making
The every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Currently, the existing monitoring system based on wireless sensor network, generally use fiber-optic grating sensor are supervised
It surveys, although having the advantages that reliable and stable, deficiency is also apparent from：A large amount of conducting wire is needed to connect, cost is relatively high；Compared with
For fragility, sensor will be caused to exit work once conducting wire destroys；Installation workload is big, maintenance cost height etc..
Based on this, the utility model embodiment provides a kind of wooden component health monitoring device and system, is based on wireless sound
Multiple monitoring nodes of emission sensor network, real-time, monitor wood component health status, and overcome existing skill
Monitor that system cost of installation and maintenance is high, problem of autgmentability difference in art.
For ease of understanding the present embodiment, first to a kind of wooden component health disclosed in the utility model embodiment
Monitoring device describes in detail.
Embodiment one：
The utility model embodiment provides a kind of wooden component health monitoring device, and shown in Figure 1, which includes：
Multiple wireless acoustic emission sensor nodes 11 and the control terminal being deployed on timber buildings wood component.
Wherein, wireless acoustic emission sensor node 11 includes：Acoustic emission sensor 111, the first microcontroller 112；Sound is sent out
The acoustic emission signal that sensor 111 acquires the wooden component is penetrated, and acoustic emission signal is sent to the first microcontroller 112；First is micro-
Controller 112 carries out parameter extraction according to acoustic emission signal, obtains characteristics of Acoustic Emission parameter, and characteristics of Acoustic Emission parameter is sent
To control terminal；Control terminal obtains the health detection result of the wooden component according to characteristics of Acoustic Emission parameter.
The wooden member upper of the building of each timber structure affixes one's name to multiple wireless acoustic emission sensor nodes 11, referring to Fig. 2 institutes
Show, multiple wireless acoustic emission sensor nodes 11 (being indicated with 2 in Fig. 2) are wireless with control terminal 12 (being indicated with 1 in Fig. 2) respectively
Connection.Specifically, acoustic emission signal is acquired in real time by the acoustic emission sensor 111 in the node, then by the node
The first microcontroller 112 to acoustic emission signal carry out characteristic parameter extraction, and before the deadline to control terminal send out
Send extracted supplemental characteristic.In the present embodiment, wireless acoustic emission sensor 111 uses lithium battery power supply, continual acquisition
The acoustic emission signal of the wooden component；Control terminal is sent out according to the first microcontroller 112 in wireless acoustic emission sensor node 11
The parameter information for the acoustic emission signal sent judges the health status of the above-mentioned wooden component.
The wooden component health monitoring device based on wireless acoustic emission sensor node 11 in the present embodiment has following excellent
Point：One, dynamic detects required energy and carrys out self-structure itself, is not required to external energy；Two, more sensitive to fault of construction, it can
These defects are detected in the activity condition outside plus under structural stress；Three, can be obtained fault of construction with load, time and temperature etc. because
The real time information of element variation.
Acoustic emission sensor 111 is the pith of the wooden component health monitoring device, is the weight for influencing device overall performance
Want factor.In the wooden component health monitoring, the sound emission of resonant mode acoustic emission sensor 111 and broadband response is used mostly
Sensor 111.
The main Types of acoustic emission sensor 111 have：Highly sensitive acoustic emission sensor is using a kind of most resonance
Formula acoustic emission sensor；Broadband acoustic emission sensor is usually made of the piezoelectric element of multiple and different thickness, or uses recessed ball
Face shape achievees the purpose that widening frequency band with wedge-shaped piezoelectric element；High temperature acoustic emission sensor is usually made pottery by lithium niobate or lead titanates
Porcelain is made；Differential acoustic emission sensor is made of the piezoelectric element of two positive and negative anodes differentials, exports corresponding differential letter
Number, signal increases because of superposition；In addition, also miniature acoustic emission sensor, magnetic suck acoustic emission sensor, low frequency inhibition sound are sent out
Penetrate sensor and condenser type acoustic emission sensor etc..
For acoustic emission source positioning, during practical wood component health monitoring, the metal of stable structure can be usually encountered
The sound of material, this kind of material is smaller to anisotropy, acoustic attenuation coefficient also very little, frequency range be mostly 25KHz~
10MHz, therefore resonant mode acoustic emission sensor is selected relatively to be suitble to.
It should be noted that for the concrete condition of the different monitoring nodes in target construction, can select different
Targetedly acoustic emission sensor 111 carry out data acquisition, can improve the wooden component health condition accuracy in detection and
Efficiency, in the present embodiment, the 111 model SN510 of acoustic emission sensor relatively mostly used.
In a preferred embodiment, above-mentioned wireless acoustic emission sensor node 11 further includes：Data acquisition module
115, preamplifier 113, filter 114, it is shown in Figure 3.
Specifically, preamplifier 113 is connect with acoustic emission sensor 111 and filter 114 respectively；Filter 114 with
Data acquisition module 115 connects；Data acquisition module 115 is connect with the first microcontroller 112 respectively；Preamplifier 113 is right
The acoustic emission signal that acoustic emission sensor 111 is acquired is amplified, and amplified signal is sent to filter 114；Filtering
Device 114 is filtered amplified signal, and filtered signal is sent to data acquisition module 115；Data acquisition module
115, high speed acquisition is carried out to filtered signal, the signal after acquisition is sent to the first microcontroller 112, then first is micro-
Controller 112 carries out the extraction of signal parameter feature again, and the characteristic parameter of extraction is sent to control terminal, so that control is eventually
End carries out judgement, display and the alarm of the wooden component health status.
In the present embodiment, data acquisition module 115 uses high-speed a/d data acquisition module, i.e. chip AD7356, first is micro-
Controller 112 uses ARM chips.After the wireless acoustic emission sensor node 11 of the wooden component starts, the wooden component of detection in real time
Acoustic emission signal may be implemented the high speed acquisition to acoustic emission signal using high-speed a/d data acquisition module, greatly improve the wooden structure
The monitoring efficiency of part health status.
In another preferred embodiment, wireless acoustic emission sensor node 11 further includes：First power management module
116, the first wireless transport module 118, the first data memory module 117, as shown in Figure 3.
First power management module 116, the first wireless transport module 118, the first data memory module 117 are respectively with first
Microcontroller 112 connects；First power management module 116, the first supply voltage value for detecting acoustic emission sensor 111,
And the first supply voltage value is sent out into institute to the first microcontroller 112；First microcontroller 112 passes through the first wireless transport module
118, the first supply voltage value is sent to control terminal, so that control terminal judges first according to first supply voltage value
Whether supply voltage value is more than the first predetermined voltage threshold, if it is, alarming.First data memory module 117 is to
Data transmitted by one microcontroller 112 are stored；Data include：Acoustic emission signal data, characteristics of Acoustic Emission supplemental characteristic.
Above-mentioned first wireless transport module 118 includes but not limited to the communication modules such as wireless Zigbee, LoRa, NB-IOT.
In the utility model embodiment, control terminal specifically includes：Second microcontroller 121, warning device.Second is micro-
Controller 121 is connect with the first microcontroller 112, warning device respectively；Second microcontroller 121 is for receiving the first microcontroller
Characteristics of Acoustic Emission parameter transmitted by device 112, and characteristics of Acoustic Emission parameter is analyzed, obtain the health detection knot of the wooden component
Fruit；Second microcontroller 121 is additionally operable to receive the first supply voltage value transmitted by the first microcontroller 112, judges the first electricity
When source voltage value is more than the first predetermined voltage threshold, control warning device is alarmed.
Above-mentioned second microcontroller 121 uses ARM chips.In another preferred embodiment, control terminal further includes：
Second source management module 122, the second wireless transport module 124, the second data memory module 123 and communication interface 125 are such as schemed
Shown in 4.
Wherein, second source management module 122, the second wireless transport module 124, the second data memory module 123 difference
And communication interface 125 is connect with the second microcontroller 121 respectively.Second source management module 122 detects the of control terminal
Two supply voltage values, and when second source voltage value is less than the second predetermined voltage threshold, automatically switches lithium battery and be powered.
Second microcontroller 121 receives the data transmitted by the first microcontroller 112 by the second wireless transport module 124；Second number
According to memory module 123, for being stored to the data transmitted by the second microcontroller 121.
Above-mentioned communication interface 125 includes：USB interface and/or RS232 interface.Above-mentioned second wireless transport module 124 includes
But the communication modules such as wireless Zigbee, LoRa, NB-IOT are not limited to, such as：Chip SX1278.
Included the following steps using the method that the above-mentioned wooden component health monitoring device carries out the wooden component health detection：
(1) start each wireless acoustic emission sensor node 11 in the wooden component health monitoring device, carry out data acquisition,
The acoustic emission signal of the wooden component is acquired by acoustic emission sensor 111；
(2) by the first microcontroller 112 in wireless acoustic emission sensor node 11, acoustic emission signal is diagnosed
Algorithm process；
(3) first microcontrollers 112 are judged according to above-mentioned algorithm process result, if algorithm process result is normal
In the range of, show that the wooden component is lossless or micro- damage, further extract the feature and compressive features data of data, and by compression
Characteristic is sent to control terminal；
(4) if algorithm process result is not in normal range (NR), the first microcontroller 112 can be straight by the initial data of acquisition
It receives and sends to control terminal；
(5) control terminal carries out the data that the first microcontroller 112 in wireless acoustic emission sensor node 11 is sent
Final processing.
The wooden component health monitoring device that the utility model embodiment provides, including be deployed on timber buildings wood component
Multiple wireless acoustic emission sensor nodes 11 and control terminal, wherein wireless acoustic emission sensor node 11 includes：Sound emission
Sensor 111, the first microcontroller 112；Acoustic emission sensor 111 acquires the acoustic emission signal of the wooden component, and sound emission is believed
Number it is sent to the first microcontroller 112；First microcontroller 112 carries out parameter extraction according to acoustic emission signal, obtains sound emission
Characteristic parameter, and characteristics of Acoustic Emission parameter is sent to control terminal；Control terminal obtains the wooden structure according to characteristics of Acoustic Emission parameter
The health detection result of part.The wooden component health monitoring device that the utility model embodiment is provided is passed based on wireless sound emission
Multiple monitoring nodes of sensor network, real-time, monitor wood component health status, and overcome and supervise in the prior art
The problem of examining system cost of installation and maintenance height, autgmentability difference.
Embodiment two：
The utility model provides a kind of wooden component health monitoring systems, and shown in Figure 5, which includes handheld terminal 31
And the wooden component health monitoring device 32 as described in embodiment one.
Wherein, handheld terminal is communicated to connect with the control terminal in the wooden component health monitoring device；Handheld terminal receives control
The wooden component health detection transmitted by terminal processed is as a result, so that staff refers to.
When specific implementation, control terminal is divided in the data transmitted by each wireless acoustic emission sensor node
After analysis obtains the final wooden component health detection result, further the testing result can be given to the hand-held of relevant staff
Terminal, such as：Smart mobile phone, Ipad etc., so that staff obtains the wooden component health detection as a result, further taking phase in time
The measure answered is safeguarded and is replaced.
The wooden component health monitoring systems that the utility model embodiment is provided, contain the wooden component described in embodiment one
Above-mentioned function equally may be implemented in health monitoring device, and details are not described herein.
In addition, in the description of the utility model embodiment unless specifically defined or limited otherwise, term " installation ",
" connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect
It connects；It can be mechanical connection, can also be electrical connection；It can be directly connected, can also indirectly connected through an intermediary, it can
To be the connection inside two elements.For the ordinary skill in the art, it can understand above-mentioned term with concrete condition
Concrete meaning in the present invention.
It is in the description of the present invention, it should be noted that term "center", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The utility model and simplifying describes for ease of description, do not indicate or imply the indicated device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
Finally it should be noted that：Embodiment described above, only specific embodiment of the present utility model, to illustrate this
The technical solution of utility model, rather than its limitations, the scope of protection of the utility model is not limited thereto, although with reference to aforementioned
The utility model is described in detail in embodiment, it will be understood by those of ordinary skill in the art that：It is any to be familiar with this skill
The technical staff in art field within the technical scope disclosed by the utility model, still can be to the skill recorded in previous embodiment
Art scheme modify or can readily occur in variation or equivalent replacement of some of the technical features；And these modifications,
Variation is replaced, the spirit and model of the utility model embodiment technical solution that it does not separate the essence of the corresponding technical solution
It encloses, should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model is answered described is wanted with right
Subject to the protection domain asked.
Claims (10)
1. a kind of wood component health monitoring device, which is characterized in that including：The multiple nothings being deployed on timber buildings wood component
Line acoustic emission sensor node and control terminal；
The wireless acoustic emission sensor node includes：Acoustic emission sensor, the first microcontroller；
The acoustic emission sensor acquires the acoustic emission signal of the wooden component, and the acoustic emission signal is sent to described the
One microcontroller；
First microcontroller carries out parameter extraction according to the acoustic emission signal, obtains characteristics of Acoustic Emission parameter, and by institute
It states characteristics of Acoustic Emission parameter and is sent to the control terminal；
The control terminal obtains the health detection result of the wooden component according to the characteristics of Acoustic Emission parameter.
2. wood component health monitoring device according to claim 1, which is characterized in that the wireless acoustic emission sensor section
It puts and further includes：Data acquisition module；
The data acquisition module is connect with the acoustic emission sensor and first microcontroller respectively；
The data acquisition module, the acoustic emission signal of the wooden component detected to the acoustic emission sensor carry out high speed and adopt
Collection, first microcontroller is sent to by the signal after acquisition.
3. wood component health monitoring device according to claim 2, which is characterized in that the wireless acoustic emission sensor section
It puts and further includes：Preamplifier, filter；
The preamplifier is connect with the acoustic emission sensor and the filter respectively；
The filter is connect with the data acquisition module；
The acoustic emission signal that the preamplifier acquires the acoustic emission sensor is amplified, by amplified signal
It is sent to the filter；
The filter is filtered the amplified signal, and filtered signal is sent to the data acquisition module
Block.
4. wood component health monitoring device according to claim 1, which is characterized in that the wireless acoustic emission sensor section
It puts and further includes：First power management module, the first wireless transport module；
First power management module, first wireless transport module are connect with first microcontroller respectively；
First power management module, the first supply voltage value for detecting the acoustic emission sensor, and by described
One supply voltage value sends out institute to first microcontroller；
First microcontroller is sent to the control by first wireless transport module, by first supply voltage value
Terminal processed.
5. wood component health monitoring device according to claim 1, which is characterized in that the wireless acoustic emission sensor section
It puts and further includes：First data memory module；
First data memory module is connect with first microcontroller；
First data memory module stores the data transmitted by first microcontroller；The data include：
Acoustic emission signal data, characteristics of Acoustic Emission supplemental characteristic.
6. wood component health monitoring device according to claim 4, which is characterized in that the control terminal includes：Second
Microcontroller, warning device；
Second microcontroller is connect with first microcontroller, the warning device respectively；
Second microcontroller is used to receive the characteristics of Acoustic Emission parameter transmitted by first microcontroller, and to the sound
Transmitting characteristic parameter is analyzed, and the health detection result of the wooden component is obtained；
Second microcontroller is additionally operable to receive first supply voltage value transmitted by first microcontroller, judges
When first supply voltage value is more than the first predetermined voltage threshold, controls the warning device and alarm.
7. wood component health monitoring device according to claim 6, which is characterized in that the control terminal further includes：The
Two power management modules；
The second source management module is connect with second microcontroller；
The second source management module detects the second source voltage value of the control terminal, and in the second source voltage
When value is less than the second predetermined voltage threshold, automatically switches lithium battery and be powered.
8. wood component health monitoring device according to claim 6, which is characterized in that the control terminal further includes：The
Two wireless transport modules, the second data memory module；
Second wireless transport module, second data memory module are connect with second microcontroller respectively；
Second microcontroller receives the number transmitted by first microcontroller by second wireless transport module
According to；
Second data memory module, for being stored to the data transmitted by second microcontroller.
9. wood component health monitoring device according to claim 6, which is characterized in that the control terminal further includes：It is logical
Believe interface；
The communication interface is connect with second microcontroller；
The communication interface includes：USB interface and/or RS232 interface.
10. a kind of wood component health monitoring systems, which is characterized in that including handheld terminal and such as any one of claim 1 to 9
The wooden component health monitoring device；
The handheld terminal is communicated to connect with the control terminal in the wooden component health monitoring device；
The handheld terminal receives the wooden component health detection transmitted by the control terminal as a result, so that staff joins
It examines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820232736.5U CN207937402U (en) | 2018-02-08 | 2018-02-08 | The wooden component health monitoring device and system |
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| CN201820232736.5U CN207937402U (en) | 2018-02-08 | 2018-02-08 | The wooden component health monitoring device and system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194412A (en) * | 2018-11-15 | 2019-01-11 | 清诚声发射研究（广州）有限公司 | A kind of acoustic emission monitor(ing) warning device, system and method |
| CN109738524A (en) * | 2019-01-30 | 2019-05-10 | 南京林业大学 | A kind of broadleaf log internal soundness assessment system and application |
-
2018
- 2018-02-08 CN CN201820232736.5U patent/CN207937402U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109194412A (en) * | 2018-11-15 | 2019-01-11 | 清诚声发射研究（广州）有限公司 | A kind of acoustic emission monitor(ing) warning device, system and method |
| CN109738524A (en) * | 2019-01-30 | 2019-05-10 | 南京林业大学 | A kind of broadleaf log internal soundness assessment system and application |
| CN109738524B (en) * | 2019-01-30 | 2021-07-30 | 南京林业大学 | System for evaluating internal quality of broad-leaved wood log and application |
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing thick Sichuan Electric Power Technology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000171 Denomination of utility model: Timber compoment health monitoring device and system Granted publication date: 20181002 License type: Common License Record date: 20191028 Assignee: Variety superconductor Nanjing Electronic Technology Co.,Ltd. Assignor: Nanjing Forestry University Contract record no.: X2019320000170 Denomination of utility model: Timber compoment health monitoring device and system Granted publication date: 20181002 License type: Common License Record date: 20191028 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
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