CN208810513U - A kind of multiple activation round tube high power altrasonic transducer - Google Patents
A kind of multiple activation round tube high power altrasonic transducer Download PDFInfo
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- CN208810513U CN208810513U CN201821047992.3U CN201821047992U CN208810513U CN 208810513 U CN208810513 U CN 208810513U CN 201821047992 U CN201821047992 U CN 201821047992U CN 208810513 U CN208810513 U CN 208810513U
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- round tube
- energy converter
- high power
- multiple activation
- piezoelectric ceramic
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Abstract
The utility model belongs to ultrasound industryization using process field, more particularly to a kind of multiple activation round tube high power altrasonic transducer, comprising: pass through connector sequentially connected energy converter front shroud, multiple ultrasonic transduction units, an energy converter back shroud and a longitudinal vibration isolation plate along longitudinal direction；Each ultrasonic transduction unit includes passing through connector sequentially connected energy converter front shroud, longitudinal pumping driving unit, radial radiation round tube and energy converter back shroud along longitudinal direction.Therefore it is dynamic that the connection being rationally effectively combined between each unit guarantees that multiple activation round tube high power altrasonic transducer does efficiently vertical bending vibration, ultrasound output is set preferably to play the limitless promotion and efficient power output of transducer power, substantially increase the power capacity and industrial processing capability of energy converter, environmental suitability is strong, improves the service life of energy converter.
Description
Technical field
The utility model belongs to ultrasound industryization using process field more particularly to a kind of multiple activation round tube large power supersonic
Energy converter.
Background technique
Current existing double-excitation longitudinal is to utilize more than two half-wavelength oscillators to the principle of high power altrasonic transducer
Integrated design thinking is designed to a complete energy converter, and two neighboring piezoelectric pile connects in such a way that polarization direction is opposite
It connects.This mode can effectively improve the power capacity of longitudinal energy converter, but double-excitation longitudinal round tube energy converter is applying in advance
Half-wave dipole more difficult when stress and all when in use shares a radiator, this makes the more vibrations of oscillator quantity folded
The number added is also more, and the extensional vibration that mode of oscillation keeps pure is just more difficult to, once energy converter inspires bending vibration, pressure
Electroceramics can generate dislocation quickly to damage energy converter.
Utility model content
The purpose of this utility model is to provide a kind of multiple activation round tube high power altrasonic transducers, to solve ultrasonic transduction
Device can only realize rigid isolation (flexible isolating sound energy loss is very big), and vibration isolation is difficult thoroughly, to make the fundamental frequency of whole energy converter
Mode of oscillation is difficult the problems such as excitation.
The utility model proposes a kind of multiple activation round tube high power altrasonic transducers, comprising: along longitudinal direction by connector
The longitudinal vibration isolation plate of sequentially connected energy converter front shroud, multiple ultrasonic transduction units, an energy converter back shroud and one；It is each super
Sound transducing unit includes passing through connector sequentially connected energy converter front shroud, longitudinal pumping driving unit, radial spoke along longitudinal direction
Penetrate round tube and energy converter back shroud.
Further, excitation driving unit includes a piezoelectric pile, the piezoelectricity of multiple longitudinal pumping driving units longitudinally in each
Heap is formed according to half-wave theoretical additive, and two neighboring piezoelectric pile is combined using opposite polarization mode.
Further, in the two neighboring piezoelectric pile, wherein a piezoelectric pile includes successively being connected along longitudinal direction by connector
The first negative electrode plate for connecing, the first positive polarizing piezoelectric ceramic wafers, the first electrode film, the first negative sense polarizing piezoelectric ceramic wafers,
Second negative electrode plate, the second positive polarizing piezoelectric ceramic wafers, the second electrode film, the second negative sense polarizing piezoelectric ceramic wafers and stress
Plate is eliminated, the piezoelectric pile is sheathed in the radial radiation round tube；Another piezoelectric pile includes passing through connector along longitudinal direction successively
First negative electrode plate of connection, the first negative sense polarizing piezoelectric ceramic wafers, the first electrode film, the first positive piezoelectric ceramic piece, the
Two negative electrode plates, the second negative sense polarizing piezoelectric ceramic wafers, the second electrode film, the second positive piezoelectric ceramic piece and stress elimination
Plate, another piezoelectric pile are sheathed in the radial radiation round tube.
Further, first negative electrode plate, the first electrode film, the second negative electrode plate, the second electrode film, first
Positive polarizing piezoelectric ceramic wafers, the first negative sense polarizing piezoelectric ceramic wafers, the second positive polarizing piezoelectric ceramic wafers, the polarization of the second negative sense
Piezoelectric ceramic piece and stress elimination plate are equipped with the through-hole passed through for connector.
Further, the connector is bolt.
Further, the energy converter back shroud, radial radiation round tube and the energy converter front shroud use laser welding
It is fixed.
Further, the energy converter front shroud and the energy converter back shroud are provided with the interior spiral shell with bolt cooperation
Line.
Further, the energy converter front shroud end face center protrusion adjacent with radial radiation round tube is equipped with cylinder, uses
Cooperate in adjacent radial radiation round tube.
Further, it is protruded positioned at the energy converter back shroud of the end end face center opposite with longitudinal vibration isolation plate and is equipped with column
Body, for cooperating with longitudinal vibration isolation plate；Positive and negative two end face centers for being located in the middle energy converter back shroud are protruded respectively to be equipped with
Cylinder, for cooperating with adjacent radial radiation round tube.
Further, longitudinal vibration isolation plate end face center protrusion opposite with the energy converter back shroud of end is located at is equipped with
Cylinder, for being connect with external structure.
The multiple activation round tube high power altrasonic transducer of the utility model, due to include: by connector along longitudinal direction successively
An energy converter front shroud, multiple ultrasonic transduction units, an energy converter back shroud and a longitudinal vibration isolation plate for connection；Each ultrasound is changed
Energy unit includes that sequentially connected energy converter front shroud, longitudinal pumping driving unit, radial radiation are round along longitudinal direction by connector
Pipe and energy converter back shroud.Therefore the connection being rationally effectively combined between each unit guarantees that energy converter does efficiently vertical bending vibration
It is dynamic, so that ultrasound output is preferably played the limitless promotion and efficient power output of transducer power, substantially increases and change
The power capacity and industrial processing capability of energy device, environmental suitability is strong, improves the service life of energy converter.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of multiple activation round tube high power altrasonic transducer provided by the embodiment of the utility model.
The knot of the ultrasonic transduction unit of Fig. 2 multiple activation round tube high power altrasonic transducer provided by the embodiment of the utility model
Structure schematic diagram.
The cross-sectional view of the structure of Fig. 3 multiple activation round tube high power altrasonic transducer provided by the embodiment of the utility model.
The perspective view of Fig. 4 multiple activation round tube high power altrasonic transducer provided by the embodiment of the utility model.
Specific embodiment
In order to which the purpose of this utility model, technical solution and beneficial effect is more clearly understood, below in conjunction with attached drawing and
Embodiment, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to
It explains the utility model, is not used to limit the utility model.
In order to illustrate technical solution described in the utility model, the following is a description of specific embodiments.
Please refer to Fig. 1 to Fig. 2, multiple activation round tube high power altrasonic transducer provided by the embodiment of the utility model, comprising:
Pass through connector 4 sequentially connected energy converter front shroud 5, multiple ultrasonic transduction units 1, an energy converter back shroud 3 along longitudinal direction
With a longitudinal vibration isolation plate 2；Each ultrasonic transduction unit 1 includes passing through the sequentially connected energy converter front shroud along longitudinal direction of connector 4
5, longitudinal pumping driving unit 7, radial radiation round tube 6 and energy converter back shroud 3.Because ultrasonic transduction unit 1 uses half-wavelength pressure
The electric promotion of longitudinal pumping driving unit 7 radial radiation round tube 6 makees the structure type of first-order bending vibration, ultrasonic transduction cellular construction
Upper to use modular design, ultrasonic transduction unit is made of several units, group of the two neighboring unit due to piezoelectric ceramic stack
Conjunction mode in structure on the contrary, so that realize that such a construction ensures multiple activation round tube large power supersonics to change with frequency collaboration vibration
Can device multiple activation round tube high power altrasonic transducer can be realized by the increase of unit number or the increase of unit own power
The promotion of overall power grade.
In the utility model embodiment, motivating driving unit longitudinally in each includes a piezoelectric pile 7, and multiple longitudinal pumpings drive
The piezoelectric pile 7 of moving cell is formed according to half-wave theoretical additive, and two neighboring piezoelectric pile is combined using opposite polarization mode,
In the two neighboring piezoelectric pile, wherein a piezoelectric pile 7 include by connector 4 along longitudinal direction sequentially connected first negative electrode 9,
First positive polarizing piezoelectric ceramic wafers 10, the first electrode film 11, the first negative sense polarizing piezoelectric ceramic wafers 12, the second negative electrode plate
13, the second positive polarizing piezoelectric ceramic wafers 14, the second electrode film 15, the second negative sense polarizing piezoelectric ceramic wafers 16 and stress elimination
Plate 8, the piezoelectric pile 7 are sheathed in the radial radiation round tube 6；Another piezoelectric pile 7 includes passing through connector 4 along longitudinal direction successively
The first negative electrode plate 9, the first negative sense polarizing piezoelectric ceramic wafers 10, first the 11, the first positive piezoelectric ceramics of electrode film of connection
Piece 12, the second negative electrode plate 13, the second negative sense polarizing piezoelectric ceramic wafers 14, second the 15, second positive piezoelectric ceramics of electrode film
Piece 16 and stress elimination plate 8, another piezoelectric pile 7 are sheathed in the radial radiation round tube 6.Due to motivating drive longitudinally in each
Moving cell 7 realizes ultrasonic vibration using the inverse piezoelectric effect of P82 type high power piezoelectric ceramic piece, and multiple piezoelectric piles are according to half
Wave theoretical additive composition, and be combined plus two neighboring piezoelectric pile using opposite polarization mode, to make each longitudinal direction
The vibration of excitation driving unit forms synergistic effect, therefore each ultrasonic transduction unit is enough to constitute the energy convertion section of energy converter
Point.
In the utility model embodiment, first negative electrode plate 9, the first electrode film 11, the second negative electrode plate 13,
Second the 15, first positive polarizing piezoelectric ceramic wafers 10 of electrode film, first the 12, second positive polarization of negative sense polarizing piezoelectric ceramic wafers
Piezoelectric ceramic piece 14, the second negative sense polarizing piezoelectric ceramic wafers 16 and stress elimination plate 8 are equipped with the through-hole passed through for connector.
In the utility model embodiment, the connector 4 is bolt.
In the utility model embodiment, the energy converter back shroud 3, radial radiation round tube 6 and the energy converter front cover
Plate 5 is fixed using laser welding, since radial radiation round tube 6 is the Net long wave radiation face of each exciting unit, and using high-grade, precision and advanced
Laser welding technology the front and rear cover plate of radial radiation round tube and ultrasonic transduction unit is carried out being fully welded welding, by multiple activation round tube
The extensional vibration of high power altrasonic transducer is converted into the first-order bending vibration of radial radiation round tube.
In the utility model embodiment, the energy converter front shroud 5 is provided with the energy converter back shroud 3 and spiral shell
The internal screw thread of bolt cooperation, the energy converter front shroud 5 end face center protrusion adjacent with radial radiation round tube 6 are equipped with cylinder, use
Cooperate in adjacent radial radiation round tube 6, in the end face opposite with longitudinal vibration isolation plate 2 positioned at the energy converter back shroud 3 of end
Cardiac prominence goes out to be equipped with cylinder, for cooperating with longitudinal vibration isolation plate 2；It is located in the middle in positive and negative two end faces of energy converter back shroud 3
The heart protrudes respectively is equipped with cylinder, for cooperating with adjacent radial radiation round tube 6.
In the utility model embodiment, the longitudinal direction vibration isolation plate 2 end opposite with the energy converter back shroud 3 of end is located at
Face center protrusion is equipped with cylinder, for connecting with external structure, makes longitudinal vibration isolation plate 2 be to reduce the exchange of external cabling cable
Can device vibration influence and design, it can effectively guarantee multiple activation round tube high power altrasonic transducer do efficiently indulge it is curved
Vibration.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of multiple activation round tube high power altrasonic transducer characterized by comprising be sequentially connected along longitudinal direction by connector
An energy converter front shroud, multiple ultrasonic transduction units, an energy converter back shroud and a longitudinal vibration isolation plate；Each ultrasonic transduction list
Member include by connector along longitudinal direction sequentially connected energy converter front shroud, longitudinal pumping driving unit, radial radiation round tube and
Energy converter back shroud.
2. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that excitation driving longitudinally in each
Unit includes a piezoelectric pile, and the piezoelectric pile of multiple longitudinal pumping driving units is formed according to half-wave theoretical additive, two neighboring pressure
Pile is combined using opposite polarization mode.
3. multiple activation round tube high power altrasonic transducer as claimed in claim 2, which is characterized in that the two neighboring piezoelectricity
In heap, wherein a piezoelectric pile includes passing through connector sequentially connected first negative electrode plate, the first positive polarized piezoelectric along longitudinal direction
Potsherd, the first electrode film, the first negative sense polarizing piezoelectric ceramic wafers, the second negative electrode plate, the second positive polarized piezoelectric ceramics
Piece, the second electrode film, the second negative sense polarizing piezoelectric ceramic wafers and stress elimination plate, the piezoelectric pile are sheathed on the radial spoke
It penetrates in round tube；Another piezoelectric pile includes that sequentially connected first negative electrode plate, the polarization of the first negative sense are pressed along longitudinal direction by connector
Electroceramics piece, the first electrode film, the first positive piezoelectric ceramic piece, the second negative electrode plate, the second negative sense polarizing piezoelectric ceramic wafers,
Second electrode film, the second positive piezoelectric ceramic piece and stress elimination plate, another piezoelectric pile are sheathed on the radial radiation
In round tube.
4. multiple activation round tube high power altrasonic transducer as claimed in claim 3, which is characterized in that first negative electrode
Piece, the first electrode film, the second negative electrode plate, the second electrode film, the first positive polarizing piezoelectric ceramic wafers, the polarization of the first negative sense
Piezoelectric ceramic piece, the second positive polarizing piezoelectric ceramic wafers, the second negative sense polarizing piezoelectric ceramic wafers and stress elimination plate are equipped with confession
The through-hole that connector passes through.
5. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that the connector is spiral shell
Bolt.
6. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that the energy converter rear cover
Plate, radial radiation round tube and the energy converter front shroud are fixed using laser welding.
7. multiple activation round tube high power altrasonic transducer as claimed in claim 5, which is characterized in that the energy converter front shroud
The internal screw thread with bolt cooperation is provided with the energy converter back shroud.
8. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that the energy converter front shroud
The end face center protrusion adjacent with radial radiation round tube is equipped with cylinder, for cooperating with adjacent radial radiation round tube.
9. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that the energy converter positioned at end
The back shroud end face center protrusion opposite with longitudinal vibration isolation plate is equipped with cylinder, for cooperating with longitudinal vibration isolation plate；It is located in the middle
Positive and negative two end face centers of energy converter back shroud are protruded respectively is equipped with cylinder, for cooperating with adjacent radial radiation round tube.
10. multiple activation round tube high power altrasonic transducer as described in claim 1, which is characterized in that the longitudinal direction vibration isolation plate
The end face center protrusion opposite with the energy converter back shroud of end is located at is equipped with cylinder, for connecting with external structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047992.3U CN208810513U (en) | 2018-07-03 | 2018-07-03 | A kind of multiple activation round tube high power altrasonic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047992.3U CN208810513U (en) | 2018-07-03 | 2018-07-03 | A kind of multiple activation round tube high power altrasonic transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208810513U true CN208810513U (en) | 2019-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047992.3U Active CN208810513U (en) | 2018-07-03 | 2018-07-03 | A kind of multiple activation round tube high power altrasonic transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838056A (en) * | 2018-07-03 | 2018-11-20 | 广东固特超声股份有限公司 | A kind of multiple activation round tube high power altrasonic transducer |
-
2018
- 2018-07-03 CN CN201821047992.3U patent/CN208810513U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108838056A (en) * | 2018-07-03 | 2018-11-20 | 广东固特超声股份有限公司 | A kind of multiple activation round tube high power altrasonic transducer |
| CN108838056B (en) * | 2018-07-03 | 2024-04-26 | 广东固特超声股份有限公司 | Multi-excitation circular tube high-power ultrasonic transducer |
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