CN204220430U - The large-power supersonic transducer of a kind of piezoelectric ultrasonic transducing unit and composition thereof - Google Patents
The large-power supersonic transducer of a kind of piezoelectric ultrasonic transducing unit and composition thereof Download PDFInfo
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- CN204220430U CN204220430U CN201420608306.0U CN201420608306U CN204220430U CN 204220430 U CN204220430 U CN 204220430U CN 201420608306 U CN201420608306 U CN 201420608306U CN 204220430 U CN204220430 U CN 204220430U
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Abstract
A large-power supersonic transducer for piezoelectric ultrasonic transducing unit and composition thereof, comprises an expelling plate; The piezoelectric ceramics crystalline substance that expelling plate is provided with a group or more is piled; Each piezoelectric ceramics crystalline substance heap comprise overlappingly successively be arranged at multiple piezoelectric ceramic wafer on expelling plate and multiple electrode slice, one for press-fiting the back shroud in expelling plate by piezoelectric ceramic wafer and electrode slice.Expelling plate is provided with the seal closure for covering piezoelectric ceramic wafer, electrode slice, back shroud.Multiple piezoelectric ultrasonic transducing unit may be combined with into a large-power supersonic transducer.The utility model can launch ultrasonic wave in the multiple orientation of relatively high power, and directly can drop in liquid medium and use, energy conversion efficiency is high, installs simply easy to use.
Description
Technical field
The utility model relates to a kind of piezoelectric-type ultrasonic wave transducer, belongs to power ultrasonic field.
Background technology
Piezoelectric supersonic wave transducer, due to the piezo-electric effect of piezoelectric ceramic wafer, can convert the electrical power of input to mechanical output.Large-power supersonic transducer is widely used in cleaning, welding, fragmentation, antiscale, scale removal etc., especially the antiscaling, descaling of industry or civilian heat transmission equipment and pipeline is applied to, the worry of long-standing problem enterprise scale removal can not only be solved, fundamentally can also solve a difficult problem for antiscale.Can economize energy consumption, enhance productivity, reduce entreprise cost, free from environmental pollution again.
Current high-power piezoelectric supersonic wave transducer great majority are designed to column, and longitudinal end is launched ultrasonic.The major defect of this transducer is:
One, only have and longitudinally can launch ultrasonic wave, the surface of emission is narrow, causes ultrasonic energy can not multiple orientation uniform emission ultrasonic wave.
Two, single transducer power is little, needing the application scenario of larger ultrasonic power, must install multiple transducer and just can reach result of use, considerably increasing equipment cost simultaneously.
Three, piezoelectric ceramic wafer operationally can produce heat, causes overall transducer temperature to raise, and when temperature exceedes the normal working temperature scope of transducer, transducer may be caused to damage, need to arrange special heat abstractor.
Four, be provided with multistage luffing between piezoelectric ceramic wafer to ultrasonic wave emitting facet, every grade of luffing all can produce power loss, causes its energy conversion efficiency lower.
Summary of the invention
For the problems referred to above that prior art exists, the utility model provides the large-power supersonic transducer of a kind of piezoelectric ultrasonic transducing unit and composition thereof, higher-wattage and Multidirectional uniform can launch ultrasonic wave.
The piezoelectric ultrasonic transducing unit that the utility model provides comprises an expelling plate; The piezoelectric ceramics crystalline substance that expelling plate is provided with a group or more is piled; Each piezoelectric ceramics crystalline substance heap comprise overlappingly successively be arranged at multiple piezoelectric ceramic wafer on expelling plate and multiple electrode slice, one for press-fiting the back shroud in expelling plate by piezoelectric ceramic wafer and electrode slice.
Described back shroud through run through back shroud, piezoelectric ceramic wafer, electrode slice screw rod be connected with expelling plate.
On described expelling plate, the one side at piezoelectric ceramic wafer and electrode slice place is square; Ultrasonic of described expelling plate is plane or cambered surface.
The large-power supersonic transducer that the utility model provides, comprises an expelling plate; The piezoelectric ceramics crystalline substance that expelling plate is provided with a group or more is piled; Each piezoelectric ceramics crystalline substance heap comprise overlappingly successively be arranged at multiple piezoelectric ceramic wafer on expelling plate and multiple electrode slice, one for press-fiting the back shroud in expelling plate by piezoelectric ceramic wafer and electrode slice; Expelling plate is provided with the seal closure for covering piezoelectric ceramic wafer, electrode slice, back shroud.
Described back shroud through run through back shroud, piezoelectric ceramic wafer, electrode slice screw rod be connected with expelling plate.
The electrode that described electrode slice connects is drawn wire and is drawn from seal closure.
The large-power supersonic transducer be made up of above-mentioned piezoelectric ultrasonic transducing unit that the utility model provides, wherein ultrasonic wave transducer unit is more than three or three; Close through closing panel after each ultrasonic wave transducer unit connects successively and form closed structure; Piezoelectric ceramic wafer in each ultrasonic wave transducer unit and electrode slice are positioned at closed inside configuration.
When ultrasonic of the expelling plate of ultrasonic wave transducer unit is plane, each ultrasonic wave transducer unit is in turn connected to form prismatic structure, and prismatic structure two ends are provided with the closing panel mated with its end construction; Piezoelectric ceramic wafer in each ultrasonic wave transducer unit and electrode slice are positioned at prism inside; Large-power supersonic transducer longitudinal cross-section is polygon (as triangle, quadrangle, pentagon or hexagon etc.).
When ultrasonic of the expelling plate of ultrasonic wave transducer unit is cambered surface, each ultrasonic wave transducer unit is in turn connected to form cylindrical-shaped structure, and cylindrical-shaped structure two ends are provided with the closing panel mated with its end construction; Piezoelectric ceramic wafer in each ultrasonic wave transducer unit and electrode slice are positioned at cylindrical inside; Large-power supersonic transducer longitudinal cross-section is circular.
The electrode that described electrode slice connects is drawn wire and is drawn from closing panel.
Above-mentioned expelling plate and back shroud are made up of metal material.
Above-mentioned expelling plate longitudinal cross-section shape is polygon or semicircle.
Above-mentioned electrode slice material is copper or copper alloy.
At least two panels piezoelectric ceramic wafer is provided with between above-mentioned expelling plate and back shroud.
Expelling plate with between adjacent transmission plate, closing panel by welding, bonding, rivet, mode that screw connects combines.
The utility model has the advantage of:
One, can multiple launch ultrasonic wave simultaneously; As two sides, three, four sides etc.
Two, ultrasonic power is large; Multiple-unit combination improves ultrasonic power.
Three, without the need to arranging special heat abstractor; Use in direct input liquid medium, utilize liquid medium to dispel the heat.
Four, energy conversion efficiency is high; Piezoelectric ceramic wafer is set directly on expelling plate, piezoelectric ceramic wafer produce energy be directly delivered on expelling plate, by expelling plate by energy conduction to liquid medium.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model embodiment one (expelling plate is arranged one group of piezoelectric ceramics crystalline substance heap, ultrasonic of expelling plate is plane).
Fig. 2 is the structural representation of the utility model embodiment two (ultrasonic wave transducer unit is three).
Fig. 3 is the sectional view of embodiment two medial end portions cover plate.
Fig. 4 is the structural representation of the utility model embodiment three (ultrasonic wave transducer unit is six).
Fig. 5 is the sectional view of embodiment three medial end portions cover plate.
Fig. 6 is the structural representation of the utility model embodiment four (expelling plate is arranged one group of piezoelectric ceramics crystalline substance heap, ultrasonic of expelling plate is cambered surface).
Fig. 7 is the top view of Fig. 6 (removing seal closure).
Fig. 8 is the structural representation of the utility model embodiment five (expelling plate being arranged two groups of piezoelectric ceramics crystalline substance heaps).
Fig. 9 is the structural representation of the utility model embodiment six (ultrasonic wave transducer unit is three, and piezoelectric ceramics crystalline substance heap is dislocatedly distributed).
Figure 10 is the expanded view of the utility model embodiment six.
In figure, 101, piezoelectric ceramics crystalline substance heap, 1, expelling plate, 2, piezoelectric ceramic wafer, 3, electrode slice, 4, back shroud, 5, screw rod, 6, seal closure.
Detailed description of the invention
Embodiment one:
In Fig. 1, expelling plate 1 is provided with one group of piezoelectric ceramics crystalline substance heap; Piezoelectric ceramics crystalline substance heap comprise successively overlapping multiple piezoelectric ceramic wafers 2 on expelling plate 1 and the multiple electrode slice 3, of being arranged at for piezoelectric ceramic wafer 2 and electrode slice 3 being press-fited the back shroud 4 in expelling plate 1; Screw rod 5 through the back shroud 4 of center apertured, piezoelectric ceramic wafer 2, electrode slice 3 be connected to expelling plate 1 is tightened fixing.Expelling plate 1 is provided with the seal closure 6 for covering piezoelectric ceramic wafer 2, electrode slice 3, back shroud 4.Seal closure 6 and expelling plate 1 form a seal cavity, piezoelectric ceramic wafer 2, electrode slice 3, screw rod 5 are sealed in wherein.Electrode slice 3 is connected with electrode extraction wire to draw from seal closure 6.Ultrasonic of expelling plate is plane.Expelling plate longitudinal cross-section shape is polygon.
Piezoelectric ceramic wafer 2 is set directly on expelling plate 1, and make energy be directly delivered on expelling plate 1, ultrasonic wave all can be launched in expelling plate 1 two sides.
Embodiment two:
In Fig. 2, Fig. 3, large-power supersonic transducer is formed by three piezoelectric ultrasonic transducing unit combination.Each piezoelectric ultrasonic transducing unit comprises an expelling plate 1; Expelling plate 1 is provided with one group of piezoelectric ceramics crystalline substance heap; Piezoelectric ceramics crystalline substance heap comprise successively overlapping multiple piezoelectric ceramic wafers 2 on expelling plate 1 and the multiple electrode slice 3, of being arranged at for piezoelectric ceramic wafer 2 and electrode slice 3 being press-fited the back shroud 4 in expelling plate 1; Screw rod 5 is connected on expelling plate 1 tightens fixing composition unit through the back shroud 4 of center apertured, piezoelectric ceramic wafer 2, electrode slice 3.Close through triangle shaped ends cover plate 7 after three ultrasonic wave transducer unit are connected successively and form closed structure.
The expelling plate of three piezoelectric ultrasonic transducer units with between expelling plate, closing panel by welding, bonding, rivet, mode that screw connects combines.Electrode slice 3 is connected with electrode extraction wire to draw from closing panel 7.
Described large-power supersonic transducer, as shown in Figure 2, being provided with three expelling plates can three surface launching ultrasonic wave.
Embodiment three:
In Fig. 4, Fig. 5, large-power supersonic transducer is formed by six piezoelectric ultrasonic transducing unit combination.Piezoelectric ultrasonic transducing unit comprises: expelling plate 1 one side is provided with back shroud 4, be provided with at least two panels piezoelectric ceramic wafer 2 and electrode slice 3 between expelling plate 1 and back shroud 4, screw rod 5 is connected on expelling plate 1 tightens fixing composition unit through the back shroud 4 of center apertured, piezoelectric ceramic wafer 2, electrode slice 3.Close through hexagonal end cover plate 7 after six ultrasonic wave transducer unit are connected successively and form closed structure.
This large merit device rate ultrasonic wave transducer is provided with six expelling plates can six surface launching ultrasonic waves.
Except above-mentioned three kinds of embodiments, can also be combined into four sides, five, seven, octahedral launches hyperacoustic structure.
Embodiment four:
In Fig. 6, Fig. 7, expelling plate 1 is provided with one group of piezoelectric ceramics crystalline substance heap 101; Piezoelectric ceramics crystalline substance heap 101 comprise successively overlapping multiple piezoelectric ceramic wafers 2 on expelling plate 1 and the multiple electrode slice 3, of being arranged at for piezoelectric ceramic wafer 2 and electrode slice 3 being press-fited the back shroud 4 in expelling plate 1; Screw rod 5 through the back shroud 4 of center apertured, piezoelectric ceramic wafer 2, electrode slice 3 be connected to expelling plate 1 is tightened fixing.Expelling plate 1 is provided with the seal closure 6 for covering piezoelectric ceramic wafer 2, electrode slice 3, back shroud 4.Seal closure 6 and expelling plate 1 form a seal cavity, piezoelectric ceramic wafer 2, electrode slice 3, screw rod 5 are sealed in wherein.Electrode slice 3 is connected with electrode extraction wire to draw from seal closure 6.Ultrasonic of expelling plate is cambered surface.Expelling plate longitudinal cross-section shape is semicircle.
Embodiment five:
In Fig. 8, expelling plate 1 is provided with two groups of piezoelectric ceramics crystalline substance heaps 101.
Embodiment six:
Fig. 9, Tu10Zhong, the piezoelectric ceramics crystalline substance heap 101 on each ultrasonic wave transducer unit 1 is dislocatedly distributed, and can reduce to combine rear radial appearance and size.
Claims (10)
1. a piezoelectric ultrasonic transducing unit, is characterized in that: comprise an expelling plate (1); The piezoelectric ceramics crystalline substance that expelling plate (1) is provided with a group or more piles (101); Each piezoelectric ceramics crystalline substance heap comprise overlappingly successively be arranged at multiple piezoelectric ceramic wafers (2) on expelling plate (1) and multiple electrode slice (3), one for press-fiting the back shroud (4) in expelling plate (1) by piezoelectric ceramic wafer (2) and electrode slice (3).
2. piezoelectric ultrasonic transducing unit according to claim 1, is characterized in that: described back shroud (4) through run through back shroud (4), piezoelectric ceramic wafer (2), electrode slice (3) screw rod (5) be connected with expelling plate (1).
3. piezoelectric ultrasonic transducing unit according to claim 1, is characterized in that: the upper piezoelectric ceramic wafer (2) of described expelling plate (1) is square with the one side at electrode slice (3) place; Ultrasonic of described expelling plate (1) is plane or cambered surface.
4. a large-power supersonic transducer, is characterized in that: comprise an expelling plate (1); The piezoelectric ceramics crystalline substance that expelling plate (1) is provided with a group or more piles (101); Each piezoelectric ceramics crystalline substance heap comprise overlappingly successively be arranged at multiple piezoelectric ceramic wafers (2) on expelling plate (1) and multiple electrode slice (3), one for press-fiting the back shroud (4) in expelling plate (1) by piezoelectric ceramic wafer (2) and electrode slice (3); Expelling plate (1) is provided with the seal closure (6) for covering piezoelectric ceramic wafer (2), electrode slice (3), back shroud (4).
5. large-power supersonic transducer according to claim 4, is characterized in that: described back shroud (4) through run through back shroud (4), piezoelectric ceramic wafer (2), electrode slice (3) screw rod (5) be connected with expelling plate (1).
6. large-power supersonic transducer according to claim 4, is characterized in that: the upper electrode connected of described electrode slice (3) is drawn wire and drawn from seal closure (6).
7. the large-power supersonic transducer be made up of piezoelectric ultrasonic transducing unit described in claim 1 or 3, is characterized in that: ultrasonic wave transducer unit is more than three or three; Close through closing panel (7) after each ultrasonic wave transducer unit connects successively and form closed structure; Piezoelectric ceramic wafer (2) in each ultrasonic wave transducer unit and electrode slice (3) are positioned at closed inside configuration.
8. large-power supersonic transducer according to claim 7, is characterized in that: each ultrasonic wave transducer unit is in turn connected to form prismatic structure, and prismatic structure two ends are provided with the closing panel (7) mated with its end construction; Piezoelectric ceramic wafer (2) in each ultrasonic wave transducer unit and electrode slice (3) are positioned at prism inside.
9. large-power supersonic transducer according to claim 7, is characterized in that: each ultrasonic wave transducer unit is in turn connected to form cylindrical-shaped structure, and cylindrical-shaped structure two ends are provided with the closing panel (7) mated with its end construction; Piezoelectric ceramic wafer (2) in each ultrasonic wave transducer unit and electrode slice (3) are positioned at cylindrical inside.
10. large-power supersonic transducer according to claim 7, is characterized in that: the upper electrode connected of described electrode slice (3) is drawn wire and drawn from closing panel (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420608306.0U CN204220430U (en) | 2014-10-21 | 2014-10-21 | The large-power supersonic transducer of a kind of piezoelectric ultrasonic transducing unit and composition thereof |
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| CN201420608306.0U CN204220430U (en) | 2014-10-21 | 2014-10-21 | The large-power supersonic transducer of a kind of piezoelectric ultrasonic transducing unit and composition thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032748A (en) * | 2014-10-21 | 2015-11-11 | 湖北瑜晖超声科技有限公司 | Piezoelectric supersonic wave transduction unit and large power ultrasonic transducer formed by same |
| CN105728306A (en) * | 2016-03-22 | 2016-07-06 | 中国计量学院 | Cross-shaped orthogonal compound drive piezoelectric tubular transducer |
| CN110586569A (en) * | 2019-09-05 | 2019-12-20 | 向国强 | Ultrasonic vibration box and ultrasonic transducer thereof |
-
2014
- 2014-10-21 CN CN201420608306.0U patent/CN204220430U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032748A (en) * | 2014-10-21 | 2015-11-11 | 湖北瑜晖超声科技有限公司 | Piezoelectric supersonic wave transduction unit and large power ultrasonic transducer formed by same |
| CN105728306A (en) * | 2016-03-22 | 2016-07-06 | 中国计量学院 | Cross-shaped orthogonal compound drive piezoelectric tubular transducer |
| CN110586569A (en) * | 2019-09-05 | 2019-12-20 | 向国强 | Ultrasonic vibration box and ultrasonic transducer thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210914 Address after: 432000 No.2 Hangtian Avenue, Xiaogan City, Hubei Province Patentee after: Hubei ChengZhiming Environmental Protection Technology Co.,Ltd. Address before: 441000 No. A59, Jiahai Industrial Park, high tech Zone, Xiangfan City, Hubei Province Patentee before: HUBEI YUHUI ULTRASONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |