CN208970560U - A kind of piezo-electric ceramic composite material structure applied to energy transducer - Google Patents
A kind of piezo-electric ceramic composite material structure applied to energy transducer Download PDFInfo
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- CN208970560U CN208970560U CN201821872881.6U CN201821872881U CN208970560U CN 208970560 U CN208970560 U CN 208970560U CN 201821872881 U CN201821872881 U CN 201821872881U CN 208970560 U CN208970560 U CN 208970560U
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- 239000000919 ceramic Substances 0.000 title claims abstract description 103
- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 229920000642 polymer Polymers 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 9
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 claims description 6
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 239000004814 polyurethane Substances 0.000 claims description 3
- 229920002635 polyurethane Polymers 0.000 claims description 3
- 229920002627 poly(phosphazenes) Polymers 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
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- 238000005516 engineering process Methods 0.000 description 2
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- 230000005611 electricity Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
This patent is related to a kind of Two-dimensional Surfaces shape structure piezo-electric ceramic composite material structure more particularly to a kind of piezo-electric ceramic composite material structure applied to energy transducer；Piezo-electric ceramic composite material structure includes hyperboloid shape piezoelectric ceramics block；Multiple slots are uniformly cut in the convex side of the hyperboloid shape piezoelectric ceramics block, form multiple mutually independent ceramic primitives between slot and slot；High molecular polymer is filled in slot；The upper and lower surface of the hyperboloid shape piezoelectric ceramics block is the hyperboloid being parallel to each other；This patent usage different according to composite structure can be selected different model piezoelectricity block and different filled polymers, produce different types of Two-dimensional Surfaces shape piezo-electric ceramic composite material structure.According to rear end transducer devices acoustic characteristic difference require, can cross section geometric dimension, width of slit and substrate thickness to piezoelectric ceramics primitive carry out different designs, meet the technical requirements such as different bandwidth characteristic and transmitting voltage response characteristic.
Description
Technical field
This patent is related to a kind of Two-dimensional Surfaces shape structure piezo-electric ceramic composite material structure, more particularly to one kind is applied to change
The piezo-electric ceramic composite material structure of energy device.
Background technique
Two-dimentional hyperboloid piezo-electric ceramic composite material structure be by piezoceramic material and polymer by certain volume ratio,
Certain mode of communicating and specific spatial distribution are combined.Such material is since acoustic impedance is low, stable structure etc. is excellent
Point can be applied to the research and development of high-performance ultrasound and underwater sound device extensively.The type piezo-electric ceramic composite material structure is generated and is connect
Receive the basic functional principle of acoustic signals are as follows: when alternate electrical signal is applied in piezo-electric ceramic composite material structure, piezoelectricity pottery
Porcelain composite structure generates vibration displacement since deformation occurs for inverse piezoelectric effect, thus radiation sound in peripherad medium
Energy；On the other hand, when extraneous acoustic vibration signal acts in the type piezo-electric ceramic composite material structure, according to piezoelectricity
Effect will generate electric signal between piezo-electric ceramic composite material structure upper/lower electrode.
Research hotspot of the high frequency two dimension broad beam acoustical device as acoustic sounding field, be applied to detection torpedo, frogman,
For the small-sized underwater acoustic warfare equipment such as acousta dummy, underwater unmanned vehicle, it can be achieved that space two-dimensional is imaged, detection accuracy is high, detects model
Enclose wide, the advantages that functional reliability is high under big depth state.
Core sensitivity portion of the two-dimentional hyperboloid piezo-electric ceramic composite material structure as high frequency two dimension broad beam acoustical device
Part is the Primary Component for realizing energy conversion.Common sensing unit mostly uses greatly pure piezoceramic material or piezoelectric ceramics
Composite structure.When using pure piezoelectric ceramics, since the acoustic impedance of piezoelectric ceramics is much higher than common vehicles such as water or air
Acoustic impedance causes acoustic vibration efficiency of transmission extremely low；Using common not ceramic bases Two-dimensional Surfaces shape composite material when, by
Limited in the polymer strength for filling, when the external world, which has, to be acted on radiating surface compared with noticeable effort, two dimension is without ceramic base
The curved piezo-electric ceramic composite material structure at bottom easily deforms, and when high-frequency work, leads to Direction Curve big rise and fall,
Influence the radiation characteristic of sound wave.Meanwhile this kind of piezo-electric ceramic composite material structure electrode preparation is difficult, it usually needs uses magnetic control
Sputtering or electroplating technology, technique production is complicated, at high cost.The current two-dimensional hyperboloid shape piezoelectric ceramics without ceramic bases is multiple
Condensation material structure and one-dimensional underwater acoustic transducer has been widely used in it with ceramic bases and without the composite material of ceramic bases
Part, supersonic changer element and pressure sensor.In order to meet the high frequency two dimension broad beam energy converter of high-performance high reliability
Part manufacture claim, be badly in need of it is a kind of can acoustic radiation excellent, technique production be simple and the new construction piezoelectric ceramics of stable structure
Composite structure.
Patent content
This patent embodiment technical problem to be solved is that providing one kind can be realized high frequency two dimension broad beam acoustics
Device New Two Dimensional hyperboloid piezo-electric ceramic composite material structure, a kind of piezoelectric ceramics applied to energy transducer of this patent
Composite structure；The piezo-electric ceramic composite material structure includes hyperboloid shape piezoelectric ceramics block；In the hyperboloid shape
The convex side of piezoelectric ceramics block is uniformly cut with multiple slots, forms multiple mutually independent ceramic primitives between slot and slot, under slot
Fang Zewei ceramic bases；The high molecular polymer is filled in slot；Wherein, the hyperboloid shape piezoelectric ceramics block is upper and lower
Surface is the hyperboloid being parallel to each other.
Required according to different application, ceramic bases thickness differs, design value be ceramic primitive thickness 10%~20% it
Between；It that is to say that the ceramic primitive is between the 83%~90% of the hyperboloid shape piezoelectric ceramics block body thickness, wherein ceramics
Substrate refers to remaining material after being removed below ceramic primitive in hyperboloid shape piezoelectric ceramics block.
Preferably, a length of 1~5mm of the ceramic primitive, width is 1~5mm, with a thickness of 2~10mm.
Preferably, the ceramic bases with a thickness of 0.1~3mm.
Preferably, the width of the slot is 0.1mm~10mm；It is understood that the thickness of the depth of slot and ceramic primitive
Degree is consistent.
Preferably, the model of the hyperboloid shape piezoelectric ceramics block includes that a variety of emissivities, reception type or transmitting-receiving are simultaneous
Appearance type piezoelectric material, specifically includes PZT-41 type, PZT-43 type, PZT-5 type, any one in PZT-8 type.
Preferably, the high molecular polymer includes epoxy resin, polyurethane.
A kind of energy transducer of this patent, entrant sound clad, matching layer including sequence stacking connection, above-mentioned piezoelectricity pottery
Porcelain composite structure, back sheet and watertight cable；The entrant sound clad, matching layer and back sheet be with it is described
The parallel hyperboloid shape of piezo-electric ceramic composite material structure；The joint face of the watertight cable and back sheet is hyperboloid.
Preferably, the usage different according to two-dimentional hyperboloid shape piezo-electric ceramic composite material structure, this patent are optional
With different model piezoelectricity block and different filled polymers, different types of Two-dimensional Surfaces shape piezoelectric ceramics composite wood is produced
Expect structure.Required according to the difference of rear end transducer devices acoustic characteristic, can cross section geometric dimension to piezoelectric ceramics primitive,
Width of slit and substrate thickness carry out different designs, meet the technologies such as different bandwidth characteristic and transmitting voltage response characteristic
Index request.
This patent the utility model has the advantages that
Then this patent is cut hyperboloid shape ceramic block open by production hyperboloid shape piezoelectric ceramics block
Slot is filled cutting gap finally by injection molding or instillation process；According to two-dimentional hyperboloid shape piezo-electric ceramic composite material
The different usage of structure can be selected different model piezoelectricity block and different filled polymers, produce different types of
Two-dimensional Surfaces shape piezo-electric ceramic composite material structure.It is required according to the difference of rear end transducer devices acoustic characteristic, it can be to piezoelectricity
Cross section geometric dimension, width of slit and the substrate thickness of ceramic primitive carry out different designs, can satisfy different bands
The technical requirements such as wide characteristic and transmitting voltage response characteristic.Meanwhile electrode can be prepared when making piezoelectricity block, tool
It is simple to have the advantages that prepared by electrode.Achievement based on this patent can develop energy transducer, concretely two-dimentional high-frequency wide-beam
Energy transducer can greatly improve investigative range and precision when the device is applied for Underwater Imaging sonar and detection sonar, by
In having ceramic block as support substrate, when big depth works, energy transducer can reliability and stability can be obtained and effectively mention
It is high.
Detailed description of the invention
Fig. 1 is the piezo-electric ceramic composite material structure of this patent；
Fig. 2 is the energy transducer of a preferred embodiment of this patent；
In figure, 1, watertight cable, 2, back sheet, 3, piezo-electric ceramic composite material structure, 4, matching layer, 5, entrant sound cladding
Layer；31, hyperboloid shape piezoelectric ceramics block, 32, ceramic primitive, 33, high molecular polymer.
Specific embodiment
In order to which the objects, technical solutions and advantages of this patent are more clearly understood, below in conjunction with attached drawing to this patent reality
The technical solution applied in example is clearly and completely described, it is clear that described embodiment is only that this patent a part is implemented
Example, instead of all the embodiments.
Embodiment 1
As shown in Figure 1, a kind of piezo-electric ceramic composite material structure applied to energy transducer of this patent；The piezoelectricity pottery
Porcelain composite structure includes hyperboloid shape piezoelectric ceramics block 31；It is equal in the convex side of the hyperboloid shape piezoelectric ceramics block 31
It is even to be cut with multiple slots 33, multiple mutually independent ceramic primitives 32 are formed between slot and slot；It is then ceramic bases, slot below slot
It is interior to be filled with the high molecular polymer；Wherein, the upper and lower surface of the hyperboloid shape piezoelectric ceramics block is parallel to each other
Hyperboloid.
Wherein, a length of 1~5mm of the ceramic primitive, width is 1~5mm, with a thickness of 2~10mm.
The ceramic bases with a thickness of 0.1~3mm.
The width of the slot is 0.1mm~10mm.
The model of the hyperboloid shape piezoelectric ceramics block includes a variety of emissivities, reception type or transmitting-receiving compatible type piezoelectric
Material, specifically includes PZT-41 type, PZT-43 type, PZT-5 type, any one in PZT-8 type.
The high molecular polymer includes epoxy resin, polyurethane.
As a preferred embodiment, as shown in Fig. 2, a kind of energy transducer of this patent, connects including sequence stacking
Entrant sound clad 5, matching layer 4, piezo-electric ceramic composite material structure 3, back sheet 2 and watertight cable 1；The entrant sound cladding
Layer, matching layer and back sheet are the hyperboloid shape parallel with the piezo-electric ceramic composite material structure；The watertight electricity
The joint face of cable and back sheet is hyperboloid.
In this patent, piezo-electric ceramic composite material structure is cut-is poured by a monolith hyperboloid shape piezoelectric ceramics block
Note-fill process is prepared.According to the structural parameters of design, ceramic block is cut first, is cut into a series of intersections
Gap (slot), to be formed evenly distributed in the ceramic primitive in ceramic bases.Then polyphosphazene polymer is perfused in above-mentioned gap
Close object；Entire ceramics cell array is formed by same block of material accurate cutting, and positioning accuracy is high between ceramic primitive, primitive performance one
Cause property is good.The other structures for matching above-mentioned energy converter again can prepare two-dimentional high-frequency wide-beam energy transducer.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Embodiment provided above has carried out further detailed description, institute to the purposes, technical schemes and advantages of this patent
It should be understood that embodiment provided above is only the preferred embodiment of this patent, not to limit this patent, it is all
To this patent any modification, equivalent replacement, improvement and so within the spirit and principle of this patent, this patent should be included in
Protection scope within.
Claims (8)
1. a kind of piezo-electric ceramic composite material structure applied to energy transducer, which is characterized in that the piezoelectric ceramics composite wood
Expect that structure includes hyperboloid shape piezoelectric ceramics block；It is uniformly cut in the convex side of the hyperboloid shape piezoelectric ceramics block multiple
Slot forms multiple mutually independent ceramic primitives, is then ceramic bases below slot between slot and slot；Polyphosphazene polymer is filled in slot
Close object；Wherein, the upper and lower surface of the hyperboloid shape piezoelectric ceramics block is the hyperboloid being parallel to each other.
2. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 1, the ceramic base
Between the 10%~20% with a thickness of ceramic primitive thickness of bottom, it that is to say the ceramic primitive for hyperboloid shape piezoelectricity pottery
Between the 83%~90% of porcelain block thickness.
3. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 2, which is characterized in that
A length of 1~5mm of the ceramics primitive, width is 1~5mm, with a thickness of 2~10mm.
4. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 2, which is characterized in that
The ceramic bases with a thickness of 0.1~3mm.
5. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 1, which is characterized in that
The width of the slot is 0.1mm~10mm.
6. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 1, which is characterized in that
The model of the hyperboloid shape piezoelectric ceramics block includes a variety of emissivities, reception type or transmitting-receiving compatible type piezoelectric material, tool
Body includes PZT-41 type, PZT-43 type, PZT-5 type, any one in PZT-8 type.
7. a kind of piezo-electric ceramic composite material structure applied to energy transducer according to claim 1, which is characterized in that
The high molecular polymer includes epoxy resin, polyurethane.
8. a kind of energy transducer, which is characterized in that entrant sound clad, matching layer, claim 1 including sequence stacking connection~
Any piezo-electric ceramic composite material structure, back sheet and the watertight cable in 7；The entrant sound clad, matching layer, with
And back sheet is the hyperboloid shape parallel with the piezo-electric ceramic composite material structure；The watertight cable and back sheet
Joint face is hyperboloid.
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| CN201821872881.6U CN208970560U (en) | 2018-11-14 | 2018-11-14 | A kind of piezo-electric ceramic composite material structure applied to energy transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400868A (en) * | 2019-07-22 | 2019-11-01 | 中国电子科技集团公司第二十六研究所 | A kind of spherical piezoelectric ceramic composite material structure and its energy transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110400868A (en) * | 2019-07-22 | 2019-11-01 | 中国电子科技集团公司第二十六研究所 | A kind of spherical piezoelectric ceramic composite material structure and its energy transducer |
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