CN207074185U - Flexible failure detector for ultrasonic guided wave detecting - Google Patents
Flexible failure detector for ultrasonic guided wave detecting Download PDFInfo
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- CN207074185U CN207074185U CN201721010962.0U CN201721010962U CN207074185U CN 207074185 U CN207074185 U CN 207074185U CN 201721010962 U CN201721010962 U CN 201721010962U CN 207074185 U CN207074185 U CN 207074185U
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Abstract
The utility model discloses a kind of flexible failure detector for ultrasonic guided wave detecting, including flexible elastic band and multiple probe modules, the flexible elastic force belt has outer surface, inner surface and the first connector, the multiple probe module arrangement is fixedly connected on the inner surface of flexible elastic band, and the both ends of flexible elastic band are fixed together by first connector in detection.The utility model device solves the shortcomings of existing ultrasonic probe array apparatus weight is big, rigidity is big and part linear transducer array needs carrying caused by pressurizeing, operation and outdoor application inconvenience, the cost of linear transducer array device is greatly reduced simultaneously in order to promote, with it is light it is portable, it is flexible it is easy to operate, use when occupy little space the advantages of, cost is reduced by using simple material and structure simultaneously, applicability is improved by modularized design and combination, different component, different port numbers, the detection demand of different supersonic guide-wave mode can be met.
Description
Technical field
A kind of detection device, especially a kind of flexible failure detector for ultrasonic guided wave detecting are the utility model is related to,
Belong to technical field of nondestructive testing.
Background technology
Ultrasonic guided wave detecting (or ultrasonic guide wave flaw detection) is the hot spot technology of field of non destructive testing, be mainly used in pipeline,
The Non-Destructive Testing (or nondestructive inspection) of the slender type such as rod member, rail component and tabular component.Compared with conventional ultrasonic wave, ultrasound is led
Ripple detection has long single detecting distance, detection efficiency height, can detect the advantages such as inside and outside damage simultaneously.
Supersonic guide-wave is in communication process, when running into defect or damage, due to the change of wave impedance, will produce the anti-of ripple
Penetrate, transmit and mode conversion.In order to differentiate the defects of detected component or damage by reflection wave signal or transmitted wave signal
Hinder information, it is necessary to the supersonic guide-wave of mode needed for exciting or receive by using the transducing head (popping one's head in) of particular design.
Conventional ultrasonic guided wave energy exchange device, including piezoelectric type, electromagnetic type, Air Coupling formula, pulse laser formula etc., due to
The reason such as cost and signal quality, current piezoelectric type and electromagnetic type transducing head use wide.In order in component is detected
Supersonic guide-wave is inspired, for piezoelectric type transducing head, it is necessary to make piezoelectric chip be connect by certain mode and detected component
Touch, for electromagnetic type transducing head, it is necessary to make magnet coil and detected component close to each other or contact.Inspire preferably super
Guided Waves are simultaneously accurately received, and are the premises for carrying out accurate and effective detection.Thus transducing head is in supersonic guide-wave Non-Destructive Testing
Core.
A kind of Chinese invention patent Publication No. CN102175773A " probe for submarine pipeline ultrasonic guided wave detecting
System and its design method " has used the internal modularization probe for being installed with air bag and by connecting axis connection probe module, makes spy
Head system has certain flexibility.But the probe system is present, and cost is big compared with high, weight, needs to be aided with larger pressure inflatable use and leads
The shortcomings of causing outdoor application inconvenience.
Chinese invention patent Publication No. CN103899921A's " is used for the ultrasonic probe fixation dress of pipe detection
Put " probe and detected component coupling contact are made by flexible circumferential and the quick lock that tenses, the device is only used for specific tube
The detection of footpath pipeline.
Chinese invention patent Publication No. CN104749258A's " is used to the ultrasonic probe array that pipe fitting detects fix
Device " by using built-in spring oscillating rod device, realize be applicable to the pipeline of different tube diameters, radially occupy little space,
Probe couple good grade requirement with pipe fitting, but has that cost is higher, weight larger the shortcomings of causing outdoor application inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of flexible failure detector for ultrasonic guided wave detecting, which solves
Existing ultrasonic probe array apparatus weight is big, rigidity is big and part linear transducer array device needs to take caused by pressurizeing
The shortcomings of band, operation and outdoor application inconvenience, while the cost that linear transducer array device is greatly reduced has light in order to promote
Portable, flexible easy to operate, the advantages of occupying little space when using, at the same by using simple material and structure reduce into
This, improves applicability by modularized design and combination, can meet different component, different port numbers, different supersonic guide-wave mode
Detection demand.
The purpose of this utility model can be reached by adopting the following technical scheme that：
For the flexible failure detector of ultrasonic guided wave detecting, including flexible elastic band and multiple probe modules, the flexibility
Elastic band has outer surface, inner surface and the first connector, the multiple probe module arrangement and is fixedly connected on flexible elastic force
The both ends of flexible elastic band are fixed together by the inner surface of band, first connector in detection.
Further, each probe module includes packaging body, inverting element, signal connecting line and the second connector, described
Inverting element is arranged at the top of packaging body, and the signal connecting line has two, wherein a bars connecting line has the first wiring
Terminal, another bars connecting line have the second binding post, and the first binding post and the second binding post can be connected with each other, and two
Bars connecting line is connected in package interior short circuit, and with inverting element, and second connector is arranged on package bottom,
And it is fixedly connected with the inner surface of flexible elastic band.
Further, when the multiple probe module is used for single channel detection, between the adjacent probe module of any two
Connected by the first binding post and the second binding post, and the first binding post of first probe module and last spy
Second binding post of head module is connected with external equipment respectively.
Further, the multiple probe module is used for multi-channel detection, and each passage has at least two probe modules
When, pass through the first binding post between the adjacent probe module of any two of each channel interior and the second binding post connects
Connect, and the second terminals of the first binding post of first probe module of each channel interior and last probe module
Son is connected with external equipment respectively.
Further, the multiple probe module is used for multi-channel detection, and when each passage only has a probe module,
Each probe module is connected by the first binding post and the second binding post with external equipment respectively.
Further, the outer surface of the flexible elastic band and inner surface are the surface that can be bonded with VELCRO, described soft
Property the first connector of elastic band and the second connector of probe module use VELCRO, first connector is in detection
Bonded with the outer surface of flexible elastic band or inner surface, the inner surface of second connector and flexible elastic band bonds.
Further, the package interior has the filler that can be absorbed sound.
Further, there is protective layer on the inverting element.
Further, the inner surface of the flexible elastic band is provided with scale or mark.
Further, the quantity of the probe module determines with arrangement mode according to the wave structure of supersonic guide-wave mode.
The utility model has following beneficial effect relative to prior art：
1st, flexible failure detector of the present utility model has used flexible elastic band, because flexible elastic force belt is flexible and bullet
Property effect, can easily be wound on detected component, it is simple to operate, while multiple probe modules are arranged and fixed
The inner surface of flexible elastic band is connected to, coupling effect is good, need not additionally be powered or using compression in addition to probe module electric signal
Gas boosting, it is easy to outdoor use.
2nd, in flexible failure detector of the present utility model, multiple probe modules can respectively by signal connecting line directly with
External equipment connects, i.e., each probe module can individually carry out signal transmission in the presence of signal connecting line, can also incite somebody to action
Connected between the adjacent probe module of any two by the first binding post and the second binding post, and first probe module
The first binding post and the second binding post of last probe module be connected with external equipment, i.e., multiple probe modules exist
In the presence of signal connecting line, in parallel signal transmission can be carried out.
3rd, in flexible failure detector of the present utility model, the outer surface of flexible elastic band and inner surface is can be with VELCROs
The surface of bonding, the first connector of flexible elastic band and the second connector of probe module use VELCRO, to visit
Head module is fixedly connected on the inner surface of flexible elastic band, and the both ends of flexible elastic band are fixedly connected on into one in detection
Rise, VELCRO coordinates flexible elastic band, can further reduce the weight of device.
4th, in flexible failure detector of the present utility model, the package interior of each probe module has the filling that can be absorbed sound
Thing, the filler play a part of absorbing the vibration of the inverting element back side；Inverting element has protective layer, and the protective layer can be tool
There is the thin layer of excellent sound translative performance, anti-wear performance, inverting element is shielded.
5th, flexible failure detector of the present utility model can facilitate in the inner surface setting scale or mark of flexible elastic band
Probe module is arranged in the inner surface of flexible elastic band；Meanwhile probe module can according to the wave structure of supersonic guide-wave mode, with
Specific number and shape, which are easily arranged, is fixedly connected on the inner surface of flexible elastic band.
6th, there is flexible failure detector of the present utility model light portable, flexible easy to operate, structural material simply to make
Cost is low, occupy little space the advantages that can be applied to solid matter component, and probe module and flexible elastic force are realized in binding modulesization design
A variety of various combinations of band and configuration, the ultrasonic guided wave detecting demand of polytype and the component of size can be met.
Brief description of the drawings
Fig. 1 is the flexible failure detector structural representation of the utility model embodiment 1.
Fig. 2 is the flexible elastic force band structure schematic diagram in the flexible failure detector of the utility model embodiment 1.
Fig. 3 is the flexible elastic band inner surface structure schematic diagram in the flexible failure detector of the utility model embodiment 1.
Fig. 4 is the probe module structural representation in the flexible failure detector of the utility model embodiment 1.
Fig. 5 is the side projection figure that the flexible failure detector of the utility model embodiment 1 is wound on detected component.
Fig. 6 is the flexible failure detector inner surface signal that the adjacent probes module of the utility model embodiment 1 is sequentially connected
Figure.
Fig. 7 is the flexible failure detector schematic diagram that the adjacent probes module of the utility model embodiment 1 is sequentially connected.
Fig. 8 is wound in tested for the flexible failure detector that the adjacent probes module of the utility model embodiment 1 is sequentially connected
The schematic diagram surveyed on component.
Fig. 9 is the flexible failure detector structural representation of the utility model embodiment 2.
Figure 10 is the side projection figure that the flexible failure detector of the utility model embodiment 2 is wound on detected component.
Wherein, 1- flexibilities elastic band, 2- probe modules, 3- outer surfaces, 4- inner surfaces, the connectors of 5- first, 6- scales, 7-
Packaging body, 8- inverting elements, 9- signal connecting lines, the connectors of 10- second, the binding posts of 11- first, the binding posts of 12- second,
13- is detected component.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model
Mode not limited to this.
Embodiment 1：
Existing ultrasonic probe array apparatus weight is big, rigidity is big and part linear transducer array device needs to pressurize,
So as to cause to carry, operate and outdoor application inconvenience, therefore a kind of flexibility for ultrasonic guided wave detecting is present embodiments provided
Failure detector, the device have light portable, flexible easy to operate, the advantages of occupying little space when using.
As shown in Figure 1 to 4, the flexible failure detector of the present embodiment includes flexible elastic band 1 and probe module 2.
The flexible elastic band 1 has outer surface 3, the connector 5 of inner surface 4 and first, because flexible elastic band 1 is with soft
Property and elasticity effect, can easily be wound on detected component, while in order to which the connection of flexible elastic band 1 is more square
Just, the outer surface 3 of the present embodiment and inner surface 4 are the surface that can be bonded with VELCRO, and magic can be selected in the first connector 5
Patch, and is fixed on one end of flexible elastic band 1, and the homonymy of inner surface 4 (the i.e. flexible inner side of elastic band 1), to detected component
When (such as pipe fitting, rod member, track) is detected, the first connector 5 can bond with outer surface 3, so that the two of flexible elastic band 1
End is fixed together；In actually detected, because inner surface 4 is connected with probe module 2, in order to not influence each probe module
The uniformity of 2 distributions, the first connector 5 are connected with outer surface 3 after winding positioned at the flexible inner side of elastic band 1.
For those skilled in the art it is recognised that in the case where not influenceing each probe module 2, the first connector 5 also can be with
The homonymy of outer surface 3 (the i.e. flexible outside of elastic band 1), is bonded with inner surface 4 after winding.
The present embodiment sets scale for the ease of arranging probe module 2 in the inner surface 4 of flexible elastic band 1, in inner surface 4
6, it is seen in figure 3 that the scale 6 can also use mark to replace；The length of flexible elastic band 1 is outer according to detected component
Girth selects, make it that it is suitable that the flexible ultrasonic guide wave flaw detection band has when detected component is circumferentially wound in after elongating
Length simultaneously can provide suitable coupling pressure for probe module 2.
The probe module 2 is modularized design, its quantity and arrangement mode according to supersonic guide-wave mould in detected component
The wave structure selection of state；In general, the quantity of probe module 2 is more, and it is better with reception to excite, and the present embodiment is selected
16 probe modules 2.
Each probe module 2 includes packaging body 7, inverting element 8, the connector 10 of signal connecting line 9 and second, the encapsulation
Body 7 is box-shape, and it is internal with the filler that can be absorbed sound, and plays a part of absorbing the vibration of the back side of inverting element 8；It is described to change
Energy element 8 is arranged on the top of packaging body 7, its type according to corresponding to being selected actual ultrasonic guided wave detecting demand, the present embodiment choosing
With piezoelectric chip, inverting element 8 also has protective layer, and the protective layer can be with excellent sound translative performance, anti-wear performance
Thin layer, inverting element 8 is shielded；The signal connecting line 9 has two, wherein a bars connecting line 9 has first
Binding post 11, another there is the second binding post 12, the first binding post 11 and the second binding post 12 to be connect to be same
Two kinds of corresponding joints of mouth type, can be connected with each other, the signal connecting line 9 of the present embodiment is the coaxial electrical with function of shielding
Cable, the first binding post 11 use MCX insertion slot types joint (female) using MCX pin contacts (male), the second binding post 12,
The inner wire of coaxial cable is connected with the positive pole of inverting element 8, and outer conductor is connected with the negative pole of inverting element 8, in order to easily divide
To distinguish, convenient connection, the first binding post 11 is designed as into longer one end, and the second binding post 12 is designed as shorter one end, and
It is marked with different colours and is distinguished with showing；Second connector 10 is arranged on package bottom, for the interior table with flexible elastic band 1
Face 4 is fixedly connected, and the second connector 10 has selected VELCRO, thus 16 probe modules 2 by the second connector 10 with it is soft
The inner surface 4 of property elastic band 1 bonds.
The present embodiment is used to excite, receive supersonic guide-wave longitudinal mode or torsion mode, because it is symmetrical wave and ripple battle array
16 probe modules 2 can be arranged in by face perpendicular to the axial direction of detected component in a manner of the shape of straight line is uniformly arranged
The inner surface 4 of flexible elastic band 1, it can be seen in fig. 1 that the present embodiment by from left to right set gradually 16 pop one's head in moulds
Block 2 is designated as the 16th first probe module, 2, second probe modules 2, the 3rd probe module 2 ... probe mould respectively
Block 2, and make it that 16 probe modules 2 are just all when flexible elastic force 1 is with after suitably elongating and being wound in detected component 13
It is coupled in equidistant arrangement on detected component 13, its side projection is as shown in Figure 5.
The flexible failure detector of the present embodiment when in use, can be used for single-pass by the different connected modes of signal connecting line
Road detects or multi-channel detection.
When being detected for single channel, pass through between the adjacent probe module of any two in 16 probe modules 2
One binding post 11 and the second binding post 12 connect, such as the second binding post 12 of first probe module 2 and second
First binding post 11 of probe module 2 connects, the second binding post 12 and the 3rd probe module of second probe module 2
2 the first binding post 11 connects, the like, until the second binding post 12 and the 16th of the 15th probe module 2
First binding post 11 of individual probe module 2 connects, then by the first binding post 11 and the 16th of first probe module 2
Second binding post 12 of individual probe module 2 is connected with external equipment respectively, i.e., each probe module 2 is in parallel to carry out signal biography
Defeated, as shown in Figure 6 and Figure 7, the schematic diagram it being circumferentially wound on detected component 13 is as shown in Figure 8.
For multi-channel detection, and when each passage has at least two probe modules 2, any two of each channel interior
Connected between adjacent probe module 2 by the first binding post 11 and the second binding post 12, and each channel interior
First binding post 11 of first probe module 2 and the second binding post 12 of last probe module 2 respectively with outside
Equipment connects, and when such as four-way detection and each passage has four probe modules 2, assumes first passage without loss of generality
For first to fourth probe module 2, second channel is the 5th to the 8th probe 2, and third channel is the 9th to the 12nd
Probe 2, fourth lane are the 13rd to the 16th probe 2, and now the connected mode of first passage is：First probe mould
Second binding post 12 of block 2 is connected with the first binding post 11 of second probe module 2, and the of second probe module 2
Two binding posts 12 are connected with the first binding post 11 of the 3rd probe module 2, the second terminals of the 3rd probe module 2
Son 12 is connected with the first binding post 11 of the 4th probe module 2, then by the first binding post of first probe module 2
11 and the second binding post 12 of the 4th probe module 2 be connected respectively with external equipment, second channel, third channel,
The connected mode of four-way is by that analogy.
For multi-channel detection, and when each passage only has a probe module 2, i.e., for 16 Air conduct measurements, 16
Individual probe module 2 is directly connected by signal connecting line 9 with external equipment respectively, i.e., each probe module 2 can be carried out individually
Signal transmits.
Said external equipment can be ultrasonic guided wave detecting instrument, oscillograph, waveform generator and power amplifier etc..
Embodiment 2：
The present embodiment is mainly characterized by：The present embodiment is used to exciting, receive or eliminating supersonic guide-wave the first rank bending die
State, according to its wave structure, 16 probe modules 2 can be arranged in the interior table of flexible elastic band according to sinusoidal shape
Face 8, the sine curve amplitude are equal to the half of supersonic guide-wave mode of flexural vibration half-wavelength (λ/2), as shown in Figure 9 so that work as flexibility
Elastic band is after suitably elongating and being wound in detected component 13, and just tiltedly circumferential equidistantly arrangement is coupled in 16 probe modules
It is detected on component 13, its side projection is as shown in Figure 10.Remaining is the same as embodiment 1.
Embodiment 3：
The present embodiment is mainly characterized by：The inverting element 8 can also select magnet coil, correspondingly, inverting element 8
With protective layer be the thin layer with excellent magnetic permeability energy, anti-wear performance.Remaining is the same as embodiment 1 or 2.
Embodiment 4：
The present embodiment is mainly characterized by：The outer surface 3 of the flexible elastic band 1 and inner surface 4 can also be common table
Face, the first connector 5 and the second connector 10 can also be fastener, and correspondingly, outer surface 3 and/or inner surface 4 are provided with phase
The fastener matched somebody with somebody；Or first connector 5 and the second connector 10 can also be fastener, correspondingly, on outer surface 3 and/or inner surface 4
Provided with the fastener to match, i.e., connected by way of buckle docking.Remaining is the same as embodiment 1 or 2.
In summary, flexible failure detector of the present utility model can be used for ultrasonic guide wave flaw detection, have it is light it is portable,
Flexible easy to operate, the simple low manufacture cost of structural material, occupy little space the advantages that can be applied to solid matter component, binding modules
A variety of various combinations and the configuration of probe module and flexible elastic band are realized in design, can meet polytype and the component of size
Ultrasonic guided wave detecting demand.
It is described above, only the utility model patent preferred embodiment, but the protection domain of the utility model patent is simultaneously
This is not limited to, any one skilled in the art is in the scope disclosed in the utility model patent, according to this
Technical scheme and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent
Protection domain.
Claims (10)
1. the flexible failure detector for ultrasonic guided wave detecting, it is characterised in that：Including flexible elastic band and multiple probe modules,
The flexible elastic force belt has outer surface, inner surface and the first connector, and the multiple probe module is arranged and is fixedly connected on
The both ends of flexible elastic band are fixed together by the inner surface of flexible elastic band, first connector in detection.
2. the flexible failure detector according to claim 1 for ultrasonic guided wave detecting, it is characterised in that：Each probe mould
Block includes packaging body, inverting element, signal connecting line and the second connector, and the inverting element is arranged at the top of packaging body, institute
Stating signal connecting line has two, wherein a bars connecting line has the first binding post, another bars connecting line has the
Two binding posts, the first binding post and the second binding post can be connected with each other, and two bars connecting lines are short in package interior
Connect, and be connected with inverting element, second connector is arranged on package bottom, and is fixed with the inner surface of flexible elastic band
Connection.
3. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The multiple spy
When head module is used for single channel detection, pass through the first binding post and the second terminals between the adjacent probe module of any two
Son connection, and the second binding post of the first binding post of first probe module and last probe module respectively with outside
Portion's equipment connection.
4. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The multiple spy
Head module is used for multi-channel detection, and when each passage has at least two probe modules, any two phase of each channel interior
Connected between adjacent probe module by the first binding post and the second binding post, and first probe of each channel interior
First binding post of module and the second binding post of last probe module are connected with external equipment respectively.
5. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The multiple spy
Head module is used for multi-channel detection, and when each passage only has a probe module, each probe module connects by first respectively
Line terminals and the second binding post are connected with external equipment.
6. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The flexible pellet
The outer surface of power band and inner surface are the surface that can be bonded with VELCRO, and first connector and the second connector are using evil spirit
Art is pasted, and first connector bonds in detection with the outer surface of flexible elastic band or inner surface, second connector with
The inner surface bonding of flexible elastic band.
7. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The packaging body
Inside has the filler that can be absorbed sound.
8. the flexible failure detector according to claim 2 for ultrasonic guided wave detecting, it is characterised in that：The transducing member
There is protective layer on part.
9. the flexible failure detector for ultrasonic guided wave detecting according to claim any one of 1-8, it is characterised in that：Institute
The inner surface for stating flexible elastic band is provided with scale or mark.
10. the flexible failure detector for ultrasonic guided wave detecting according to claim any one of 1-8, it is characterised in that：
The quantity of the probe module determines with arrangement mode according to the wave structure of supersonic guide-wave mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010962.0U CN207074185U (en) | 2017-08-14 | 2017-08-14 | Flexible failure detector for ultrasonic guided wave detecting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721010962.0U CN207074185U (en) | 2017-08-14 | 2017-08-14 | Flexible failure detector for ultrasonic guided wave detecting |
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| Publication Number | Publication Date |
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| CN207074185U true CN207074185U (en) | 2018-03-06 |
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ID=61523671
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| CN201721010962.0U Active CN207074185U (en) | 2017-08-14 | 2017-08-14 | Flexible failure detector for ultrasonic guided wave detecting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389799A (en) * | 2017-08-14 | 2017-11-24 | 东莞理工学院 | Flexible failure detector for ultrasonic guided wave detecting |
| CN110346451A (en) * | 2019-08-20 | 2019-10-18 | 浙江省特种设备科学研究院 | A kind of supersonic guide-wave monitoring transducer |
-
2017
- 2017-08-14 CN CN201721010962.0U patent/CN207074185U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107389799A (en) * | 2017-08-14 | 2017-11-24 | 东莞理工学院 | Flexible failure detector for ultrasonic guided wave detecting |
| CN110346451A (en) * | 2019-08-20 | 2019-10-18 | 浙江省特种设备科学研究院 | A kind of supersonic guide-wave monitoring transducer |
| CN110346451B (en) * | 2019-08-20 | 2024-04-05 | 浙江省特种设备科学研究院 | Ultrasonic guided wave monitoring transducer |
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