CN206696242U - A kind of stretchable ultrasound transducer array - Google Patents
A kind of stretchable ultrasound transducer array Download PDFInfo
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- CN206696242U CN206696242U CN201720450764.XU CN201720450764U CN206696242U CN 206696242 U CN206696242 U CN 206696242U CN 201720450764 U CN201720450764 U CN 201720450764U CN 206696242 U CN206696242 U CN 206696242U
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- array
- transducer
- stretchable
- detection
- ultrasound transducer
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Abstract
The utility model provides a kind of stretchable ultrasound transducer array, including：Array is detected, multiple transducers arranged by predetermined array shape is provided with, is connected between the transducer by upper and lower two layers stretchable wire；Signaling interface, for connecting the detection array and providing signal output interface；Clad, the detection array is covered by elastic material and formed.The utility model is popped one's head in compared to existing conventional rigid, and the coupled modes of itself and testee have essential progress, and this greatly increases Detection results and efficiency.Simultaneously, stretchable characteristic can be with arbitrary shape testee (containing developable surface and undeveloped curved surface) dynamic adhesion, the scope of detection object has been widened, thus can be applied to unsticking detection and the stress mornitoring of labyrinth of complex layered structure.
Description
Technical field
The utility model belongs to ultrasound detection field, more particularly to it is a kind of under arms during can be with arbitrary shape quilt
Survey the ultrasound transducer array of object (containing developable surface and undeveloped curved surface) dynamic adhesion.
Background technology
Mainly have to the detection method of object interface and internal flaw in the prior art：Supersonic testing method, eddy current testing method,
Radiographic inspection, magnaflux etc..Wherein, supersonic testing method be domestic and international application most extensively, frequency of use highest, and send out
A kind of faster non-destructive testing technology of exhibition.
The ultrasonic transducer used at present needs the transducer and wedge by means of custom-made for complex-curved detection
Block couples, and is the detection that big region is realized by mechanical scanning.Such detection means and manpower and time cost are held high
It is expensive, it is extremely inefficient.Concave surface is designed as according to pipe diameter using voussoir bottom surface though having in the prior art, so as to realize voussoir and pipe
The detection means of the coupling in road, but the design can only be confined to the pipeline of special diameter, it is large-scale spherical for natural gas storage tank etc.
Structure and some other irregular structure can not be applicable completely.
Utility model content
For solve the problems, such as existing rigid transducer can not detection of complex curved surface, the utility model provides a kind of mistake under arms
Can be with the stretchable ultrasound transducer array of arbitrary shape testee dynamic adhesion in journey.
Especially, the utility model provides a kind of stretchable ultrasound transducer array for being bonded arbitrary surface, including：
Array is detected, multiple transducers arranged by predetermined array shape are provided with, by upper and lower between the transducer
Two layers of stretchable wire connection, forms scanning circuit；
Signaling interface, for connecting the detection array and providing signal output interface；
Clad, the detection array is covered by elastic material and formed.
In an embodiment of the present utility model, the transducer is lead titanate piezoelectric ceramics (PZT), sodium niobate
One kind in potassium base ceramics, BNT base piezoelectric ceramics, BaTiO3 base piezoelectric ceramics, laminated structure bismuth piezoelectric ceramic.
In an embodiment of the present utility model, being filled between the transducer prevents mutual train of signal
The polymer disturbed.
In an embodiment of the present utility model, the lower surface of the detection array is provided with epoxy resin and formed
Back sheet, upper surface is provided with the matching layer for realizing that acoustic characteristic impedance matches between transducer and sound bearing medium.
In an embodiment of the present utility model, two layer conductors up and down between the transducer, make respectively
Anode layer and negative electrode layer, all it is unidirectional island bridge structure, bridge is snakelike.
In an embodiment of the present utility model, two layer conductors up and down between the transducer are covered by flexibility
Copper coin obtains by laser cutting.
The utility model is popped one's head in compared to existing conventional rigid, and the coupled modes of itself and testee have essence to enter
Step, this greatly increases Detection results and efficiency.Meanwhile stretchable characteristic (can contain with arbitrary shape testee
Developable surface and undeveloped curved surface) dynamic adhesion, the scope of detection object has been widened, thus can be applied to complex layered structure
Unsticking detects and the stress mornitoring of labyrinth.In addition, can realize that large area high efficiency detects in real time using array structure, it is thorough
Ultrasound detection is broken away to machine-walking/scanning and its dependence of automation equipment in bottom.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the stretchable ultrasound transducer array of one embodiment of the utility model；
Fig. 2 is the arrangement architecture schematic diagram of transducer in one embodiment of the utility model；
Fig. 3 is the conductor structure schematic diagram of one embodiment of the utility model；
Fig. 4 is the negative electrode layer wire arrangement schematic diagram of one embodiment of the utility model；
Fig. 5 is the anode layer wire arrangement schematic diagram of one embodiment of the utility model.
Embodiment
As shown in Fig. 1,2,3,4,5, the stretchable ultrasound transducer array 100 of one embodiment of the utility model is general
Property include detection array 20, signaling interface and clad 10.
The detection array 20 includes multiple transducers 13 by the arrangement of predetermined array shape, passes through wire between each transducer
15 connections.Transducer 13 in present embodiment is a kind of energy conversion device, and the ultrasound detection made using piezo-electric crystal is set
Standby, the shape of transducer 13 can be plate-shaped, and disc, annular, tubular, round bar shape, shell is spherical, piezoelectric membrane
Deng.
The shape of array can be configured according to the equipment of actual test, and setting here includes the test of common apparatus
Shape, you can in a manner of the array arrangement detected applied to most equipment；Also include the shape tested for Special Equipment
Shape, i.e., the display shape of the specific configuration mode set for the shape of particular device, to obtain more accurate measured value.
The detection signal that the signaling interface is used to connecting detection array provide pumping signal or collect each transducer, simultaneously
Signal output interface detection signal exported to external equipment is provided.
The clad 10 is used to cover detection array 20, and clad 10 can use the material for possessing elasticity to make, e.g.,
Present embodiment is using elastic silica gel film as clad 10.
Present embodiment uses integral structure, and its shape can be the platy structure that a root tuber makes according to test request,
Global shape can be circular or rectangle etc., by can the detection array of clad 10 of random variation can be with equipment under test table
Face shape is bonded completely, each transducer 13 in clad 10 in detection array 20 can immediate mode detect tested portion
Part, then detection signal is passed to the processing equipment of connection by signaling interface.
Stretchable ultrasound transducer array 100 can be improved by way of random variation in test process and set with tested
Standby contact effect, during deformation, whole clad 10 can be deformed according to testee surface configuration, internal transducer 13
Generation change in location, the wire 15 of connection transducer 13 use stretchable arrangement so that transducer 13 and transducer 13
Between distance elongated while, can synchronous extension, ensure the normal transmission of signal.The structure of specific wire 15 can use
Unidirectional island bridge structure, bridge are snakelike (shown in Fig. 3) so that length of the wire 15 between adjacent transducer 13 under normal circumstances
More than the distance between adjacent transducer 13.When transducer array deformation within the specific limits when, the bending section of snakelike wire
Divide expansion, mainly coordinate the deformation of transducer array by the rigid body displacement of wire, and straight wire is mainly by wire
Stretching or compression come compatible deformation, because local moderate finite deformation can cause the deformation of local wire also larger, the stretching of straight wire
Or compression degree is bigger, so as to which resistance variations are larger or even wire is pulled off, voltage signal is then influenceed.Therefore, this implementation
Mode has good tensility compared to straight wire using snakelike wire, is carried for transducer array dynamic adhesion is complex-curved
Condition is supplied.
Present embodiment instead of traditional rigid substrates using flexible base board, can be bent to any direction, and start
It is applied to the complex-curved detection of real-time and accurate bonding interface situation and the stress mornitoring of labyrinth to property,
It can be deformed in measurement process with alternating bending, greatly improve measurement effect.In addition, it can also crimp and roll over when not in use
It is folded, it is convenient for carrying.
To be popped one's head in compared to existing conventional rigid, the coupled modes of present embodiment and testee have essential progress, this
Greatly increase Detection results and efficiency.Meanwhile stretchable characteristic can (containing can splay with arbitrary shape testee
Face and undeveloped curved surface) dynamic adhesion, the scope of detection object has been widened, thus can be applied to the unsticking inspection of complex layered structure
Survey and the stress mornitoring of labyrinth.In addition, can realize that large area high efficiency detects in real time using array structure, thoroughly break away from
Ultrasound detection is to machine-walking/scanning and its dependence of automation equipment.
In an embodiment of the present utility model, specific transducer 13 is PZT layers.
In an embodiment of the present utility model, can between each PZT blocks filled polymer 14, it is adjacent to realize
Isolation between transducer, reduce the mutual crosstalk between adjacent PZT blocks.Specific polymer can possess ductility
Silica gel.
In an embodiment of the present utility model, the lower surface of detection array is provided with the back of the body of epoxy resin composition
Lining 12, upper surface are provided with the matching layer 11 for realizing that acoustic characteristic impedance matches between transducer and sound bearing medium.Matching layer 11
It is to realize the matching of acoustic characteristic impedance between transducer chip and sound bearing medium, makes acoustic energy well through and probe chip
The acoustical material layer of radiating surface laying.
In an embodiment of the present utility model, above-mentioned part is entirely accommodated in interior by clad 10 in covering.
In an embodiment of the present utility model, a side for making stretchable ultrasound transducer array 100 is provided
Method, step are as follows：
1) electroplates one layer of copper foil on PI films；
2) welds the PZT blocks for having polarized silver-plated on copper foil；
3) is in one layer of epoxy resin damping back sheet of PI film another sides spin coating；
4) welds flexible copper-clad plate in PZT array another side；
5) one layer of epoxy resin matching layer of spin coating in copper-clad plate；
6) composite bed of two upper and lower copper foil-PI- epoxy resin is respectively cut with laser by, forms unidirectional island bridge knot
Structure, that is, obtain transducer array；
7) the whole arrays of elastic silica gel thin-film package.
So far, although those skilled in the art will appreciate that herein it is detailed have shown and described it is of the present utility model more
Individual exemplary embodiment, still, still can be public according to the utility model in the case where not departing from the spirit and scope of the utility model
The content opened directly determines or derived many other variations or modifications for meeting the utility model principle.Therefore, this practicality is new
The scope of type is understood that and regarded as to cover other all these variations or modifications.
Claims (6)
- A kind of 1. stretchable ultrasound transducer array for being bonded arbitrary surface, it is characterised in that including：Array is detected, multiple transducers arranged by predetermined array shape is provided with, passes through upper and lower two layers between the transducer Stretchable wire connection, forms scanning circuit；Signaling interface, for connecting the detection array and providing signal output interface；Clad, the detection array is covered by elastic material and formed.
- 2. stretchable ultrasound transducer array according to claim 1, it is characterised in thatThe transducer is lead titanate piezoelectric ceramics, potassium-sodium niobate base ceramics, BNT base piezoelectric ceramics, BaTiO3 bases piezoelectricity pottery One kind in porcelain, laminated structure bismuth piezoelectric ceramic.
- 3. stretchable ultrasound transducer array according to claim 1, it is characterised in thatFilled with the polymer for preventing mutual signal cross-talk between the transducer.
- 4. stretchable ultrasound transducer array according to claim 1, it is characterised in thatIt is described detection array lower surface be provided with epoxy resin composition back sheet, upper surface be provided with realize transducer with The matching layer that acoustic characteristic impedance matches between sound bearing medium.
- 5. stretchable ultrasound transducer array according to claim 1, it is characterised in thatTwo layer conductors up and down between the transducer, make anode layer and negative electrode layer, are all unidirectional island bridge structure respectively, Bridge is snakelike.
- 6. stretchable ultrasound transducer array according to claim 1, it is characterised in thatTwo layer conductors up and down between the transducer are obtained by flexible copper-clad plate by laser cutting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450764.XU CN206696242U (en) | 2017-04-26 | 2017-04-26 | A kind of stretchable ultrasound transducer array |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720450764.XU CN206696242U (en) | 2017-04-26 | 2017-04-26 | A kind of stretchable ultrasound transducer array |
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| CN206696242U true CN206696242U (en) | 2017-12-01 |
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| CN201720450764.XU Active CN206696242U (en) | 2017-04-26 | 2017-04-26 | A kind of stretchable ultrasound transducer array |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932488A (en) * | 2017-04-26 | 2017-07-07 | 中国科学院力学研究所 | A kind of stretchable ultrasound transducer array |
| CN108488221A (en) * | 2018-04-10 | 2018-09-04 | 吕家发 | Sliding bearing with oil film thickness sensor and its lubricating method |
-
2017
- 2017-04-26 CN CN201720450764.XU patent/CN206696242U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106932488A (en) * | 2017-04-26 | 2017-07-07 | 中国科学院力学研究所 | A kind of stretchable ultrasound transducer array |
| CN108488221A (en) * | 2018-04-10 | 2018-09-04 | 吕家发 | Sliding bearing with oil film thickness sensor and its lubricating method |
| CN108488221B (en) * | 2018-04-10 | 2020-07-28 | 吕家发 | Sliding bearing with oil film thickness sensor and lubricating method thereof |
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