CN206134235U - Actuating device and underwater acoustic transducer - Google Patents
Actuating device and underwater acoustic transducer Download PDFInfo
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- CN206134235U CN206134235U CN201621033629.7U CN201621033629U CN206134235U CN 206134235 U CN206134235 U CN 206134235U CN 201621033629 U CN201621033629 U CN 201621033629U CN 206134235 U CN206134235 U CN 206134235U
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Abstract
The utility model provides a pair of actuating device and underwater acoustic transducer to the longer thin single -chip of use length in prior art's the actuator, because low and easy damage of intensity is turned round in the bending resistance of single -chip, results in taking place actuating device and the manufacturing method that cracked technical problem provided under bending and twisting, sets up support piece in the first actuator of being made by a plurality of first single -chips, and support piece's axial length is unanimous with the axial length of first actuator, through the support piece reinforcing intensity is turned round in the bending resistance of the first single -chip of first actuator, extension actuating device and the underwater acoustic transducer's that uses life.
Description
Technical field
The utility model is related to activated apparatus field, in particular to a kind of actuation means and a kind of underwater acoustic transducer.
Background technology
From several KHzs to tens KHzs, it has very design frequency based on longitudinal vibration type composite bar energy converter
Wide range of application, including communication sonar, seabed Imaging sonar, the active sonar of search and track submarine target, monitoring harbour boat
The active sonar and sonar weapon in road etc..
Traditional longitudinal vibration type composite bar energy converter is by d33The PZT piezoelectric ceramic rings of pattern stack (active transductive material), loudspeaker
Shape front shroud and heavy amount back shroud are constituted.PZT ceramic rings in piezoelectric stack are generally connected in parallel, and can so reduce transducing
The driving voltage of device.Piezoelectric stack produces axial stretching vibration in the presence of driving voltage, while driving front shroud to produce phase
Same vibration, so as to realize the radiative acoustic wave in water.In actual design, generally using stress bar and disc spring pad to piezoelectric stack
Apply compression, it is to avoid the effect of piezoelectric and connecting material under tension, so as to improve the Mechanical Reliability of transducer.
d31Radial polarised PZT ceramics pipe (electrode is on surfaces externally and internally) of pattern may also be used for producing sound wave.But by
In weak (piezoelectric constant d of piezo-electric traverse effect of PZT ceramics31With electromechanical coupling factor k31It is low), what this transverse mode drove changes
Energy device sound source level is relatively low.
Based on d32And d31In low frequency (being less than 10kHz) the monocrystalline composite bar energy converter of pattern, the length president of single-chip
Some.When like this, using very thin single crystal piece to reduce driving voltage for those, these are mutually without bonding
Monocrystalline can be easily damaged because bending and reversing strength is low, can rupture in the presence of bending and distortion.
Utility model content
The purpose of this utility model is to provide a kind of actuation means and a kind of underwater acoustic transducer, and it can be in actuation means
Main driving equipment, i.e. the support member for axially supporting first actuator is set in the first actuator, to strengthen the first cause
The bending and reversing strength of the first single-chip of dynamic device, it is to avoid constitute the first single-chip of the first actuator because bending and reversing strength is low
Easily rupture in the presence of bending and distortion, further extend actuation means and its underwater acoustic transducer applied
Service life.
What embodiment of the present utility model was realized in：
A kind of actuation means, it includes：First actuator and the support member for axially supporting first actuator, institute
State support member to be arranged in first actuator, the support member is consistent with the axial length of first actuator, described
First actuator includes multiple first single-chips, and the axial side end of multiple first single-chips adjoins into successively the tubular of closing
Structure.
Preferably, the support member is less than the second actuator of first actuator, second actuator for section
Including multiple second single-chips, multiple second single-chips adjoin into successively the tubular structure of closing.
Preferably, the side of second single-chip fits in the inwall of first single-chip.
Preferably, the incline of second single-chip fits in the inwall of first single-chip.
Preferably, the support member includes at least one single-chip pair, and the single-chip is to including two for being oppositely arranged
Second single-chip, two the second single-chips of single-chip pair described at least one are symmetricly set in first actuator.
Preferably, also include for supporting the support of first actuator to cut, first single-chip and described
The axial side end of one single-chip supports slitting connection by described, between first single-chip and second single-chip
Axial side end is by the axial side end for supporting slitting connection, second single-chip and second single-chip by described
Support slitting connection.
Preferably, first single-chip and second single-chip are d31Single-chip or d32Single-chip.
Preferably, it is described to support slitting to be connector made by makrolon material.
Preferably, first single-chip and second single-chip are the Rectangular piezoelectric monocrystalline of horizontal mode.
A kind of underwater acoustic transducer that the utility model is provided, it includes：Protecgulum, rear mass and as described in above-mentioned content
Actuation means, the actuation means include the first axially arranged connection end and the second connection end, first connection end and institute
Protecgulum connection is stated, second connection end is connected with the rear mass.
A kind of actuation means and a kind of underwater acoustic transducer that above-mentioned the utility model is provided, for the actuator of prior art
Used in the longer thin single crystal piece of length, be easily damaged because the bending and reversing strength of single-chip is low, cause in bending and distort
Actuation means that the lower technical problem that fracture occurs of effect is provided and preparation method thereof, by made by multiple first single-chips the
Support member is set in one actuator, and the axial length of support member is consistent with the axial length of the first actuator, by the support
Part strengthens the bending and reversing strength of the first single-chip of first actuator, extends actuation means and its underwater sound transducing applied
The service life of device.
Description of the drawings
In order to be illustrated more clearly that the technical scheme of the utility model embodiment, below will be to use needed for embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore should not be by
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 2 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 3 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 4 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 5 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 6 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 7 is the structural representation of the actuation means that the utility model preferred embodiment is provided；
Fig. 8 is the structural representation of the underwater acoustic transducer that the utility model preferred embodiment is provided.
Icon：100- actuation means；The actuators of 110- first；The single-chips of 112- first；114- axial directions side end；
116- radial direction side ends；120- support members；The actuators of 122- second；The single-chips of 123- second；The actuators of 124- the 3rd；
126- single-chips pair；130- supports slitting；200- underwater acoustic transducers；210- protecgulums；Mass after 220-.
Specific embodiment
It is new below in conjunction with this practicality to make purpose, technical scheme and the advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the utility model, rather than the embodiment of whole.Generally described in accompanying drawing herein and
The component of the utility model embodiment for illustrating can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement
The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further defined and is explained in subsequent accompanying drawing.
In description of the present utility model, it should be noted that term " on ", D score, "left", "right", " vertical ", " water
It is flat ", " interior ", the orientation of the instruction such as " outward " or position relationship be or the reality based on orientation shown in the drawings or position relationship
The orientation usually put when being used with novel product or position relationship, are for only for ease of description the utility model and simplification is retouched
State, rather than indicate or imply indication device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for differentiation and retouch
State, and it is not intended that indicating or implying relative importance.
Additionally, the term such as term " level ", " vertical " is not offered as requiring part abswolute level or pendency, and can be slightly
Low dip.It is not that the expression structure must be complete as " level " only refers to for its direction relative " vertical " more level
Full level, and can be to be slightly tilted.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected,
Or be integrally connected；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to by intermediary
It is indirectly connected to, can is the connection of two element internals.For the ordinary skill in the art, can be managed with concrete condition
Solve concrete meaning of the above-mentioned term in the utility model.
First embodiment
Fig. 1 to Fig. 4 is refer to, shows that the utility model embodiment provides a kind of structural representation of actuation means 100.
The actuation means 100 include：First actuator 110 and support member 120, the support member 120 is arranged at described first and activates
In device 110.
First actuator 110 includes multiple first single-chips 112, and the single-chip is the Rectangular piezoelectric of horizontal mode
Monocrystalline, it is however preferred to have the lead based relaxor ferro-electricity single crystal piece of superelevation transverse strain, can include [011] direction polarization, [100] side
To the d for driving32The d that single-chip or [011] direction polarization, [011] direction drive31Single-chip.The constituent material of the single-chip
Can be relaxor ferroelectric monocrystal, for example：Lead zinc niobate-lead titanates (PZN-PT), PMN-PT (PMN-PT), niobium magnesium
Lead plumbate-lead zirconate titanate (PMN-PZT), lead niobate lead indate-lead-PMN-PT (PIN-PMN-PT) and its be derivatized to grades,
Piezoelectric constant with superelevation and electromechanical coupling factor.
First single-chip 112 includes axial side end 114 and radial direction side end 116, multiple first single-chips 112
Axial side end 114 is adjoined successively, forms the tubular structure of closing.Further, first actuator 110 include described
The quantity of one single-chip 112 is four, is enclosed at a right angle between two the first adjacent single-chips 112, and multiple described first is single
Chip 112 adjoins into successively the cuboid of tubular, as described first actuator 110.
In order to further enhance the bending and reversing strength of first single-chip 112, between the first adjacent single-chip 112
Bonding supports slitting, so that described support slitting to connect the axial side end 114 of adjacent first single-chip 112.Described
Support slitting can be connector made by high intensity macromolecule material, further, will make the macromolecule material for supporting and cutting
Material is preferably Merlon.
The Merlon, Polycarbonate, abbreviation PC are the high molecular polymerizations containing carbonate group in strand
Thing, according to the structure of ester group the polytypes such as aliphatic, aromatic series, aliphatic-aromatic can be divided into.Merlon is a kind of strong
Tough thermoplastic resin, its title is from its internal CO3Group.Can be by bisphenol-A and oxychlorination carbon (COCl2) synthesis.Now compared with
The method for using more is melt transesterification process (bisphenol-A and diphenyl carbonate are synthesized by ester exchange and polycondensation reaction).PC materials
It is wear-resisting with anti-flammability, non-oxidizability.Support bar made by the makrolon material is bonded in into the first adjacent single-chip
Between 112 axial side end 114, the bending-twisting energy of the first single-chip 112 of first actuator 110 is further enhancing
Power.
The support member 120 is arranged in first actuator 110, the support member 120 and first actuator
110 axial length is consistent, so that two longitudinal ends with first actuator 110 are consistent, plays preferably
Support effect.The support member 120 can be the second actuator 122 that can be positioned in first actuator 110, or
The single-chip being made up of single-chip is to 126, or other can be positioned over described in the inner support of the first actuator 110 first and activate
The supporting construction of device 110, the preferably composed component of the support member 120 are single-chip, are supporting first actuator 110
Under the premise of ensure the actuation means 100 superelevation horizontal piezoelectric property.
Continuing with referring to Fig. 1 to Fig. 4, the structural representation of the actuation means 100 provided for the present embodiment, described first causes
Support member 120 in dynamic device 110 is preferably the second actuator 122.Second actuator 122 includes multiple second single-chips
123, second single-chip 123 is preferably also the Rectangular piezoelectric monocrystalline of horizontal mode, and second single-chip 123 can be with institute
Single-chip of first single-chip 112 for same material is stated, the radical length of second single-chip 123 is less than first monocrystalline
The radical length of piece 112.The axial side end 114 of multiple second single-chips 123 is adjoined successively, forms the tubular knot of closing
Structure.Further, the quantity of first single-chip 112 that second actuator 122 is included can also be four, two phases
Enclose at a right angle between the second adjacent single-chip 123, multiple second single-chips 123 adjoin into successively the cuboid of tubular,
As described second actuator 122.Preferably, bond the support bar between the second adjacent single-chip 123 of each two, enters
One step strengthens the bending and reversing strength of the actuation means 100.The phase of second actuator 122 and first actuator 110
There can be various set-up modes to position relationship, other can realize that the mounting means of stable support first actuator 110 is equal
It is applicable to the present embodiment.
Continuing with referring to Fig. 1 and Fig. 2, the side of second actuator 122 is parallel to the right of first actuator 110
Linea angulata is arranged, connection side laminating first actuator of the axial side end 114 of adjacent second single-chip 123 of each two
The center line of 110 madial wall, is first actuating while being that first actuator 110 provides axial support force
First single-chip 112 of device 110 provides radial support.
Fig. 3 is referred to, the radial width of the second single-chip 123 of second actuator 122 is slightly less than first list
The radial width of chip 112.The medial surface that the lateral surface of each the first single-chip 112 is fitted with first single-chip 112.
Four the second single-chips 123 of second actuator 122 preferably fit in four first lists of first actuator 110
Chip 112, is the first monocrystalline of first actuator 110 while being that first actuator 110 provides axial support force
Piece 112 provides radial support.
Fig. 4 is referred to, on the basis of above-described embodiment, the actuation means 100 can also include the 3rd actuator
124, the 3rd actuator 124, second actuator 122 can be with identical structure and materials with first actuator 110
Matter, the actuator that model is sequentially reduced.3rd actuator 124 include the 3rd single-chip, the 3rd single-chip it is also preferred that
For the Rectangular piezoelectric monocrystalline of horizontal mode, axial length and first single-chip 112 and described of the 3rd single-chip
The axial length of two single-chips 123 is consistent, the radical length of first single-chip 112, the footpath of second single-chip 123
Radical length to length and the 3rd single-chip is sequentially reduced.3rd actuator 124, second actuator 122
And the relative position relation between first actuator 110 can be with reference to above two mode.As shown in figure 4, by described
The side of two actuators 122 is arranged parallel to the side of first actuator 110, by the side of the 3rd actuator 124
Arrange parallel to the diagonal of second actuator 122.It is of course also possible to the side of second actuator 122 is parallel
Arrange in the diagonal of first actuator 110, by the side of the 3rd actuator 124 parallel to second actuator
122 diagonal is arranged.Other can realize that the structure of mutually nested support between ectonexine actuator may be applicable to this enforcement
Example.
The actuation means 100 that above-mentioned the utility model embodiment is provided, are directed to used in the actuator of prior art long
The longer thin single crystal piece of degree, is easily damaged because the bending and reversing strength of single-chip is low, causes to be issued in bending and distortion action
The technical problem of raw fracture, there is provided actuation means 100 and preparation method thereof, by made by multiple first single-chips 112 the
Support member 120 is set in one actuator 110, the axial length of support member 120 is consistent with the axial length of the first actuator 110,
Strengthen the bending and reversing strength of the first single-chip 112 of first actuator 110 by the support member 120, extend and activate dress
Put 100 service life.The support member 120 is preferably less than into the second actuator 122 of first actuator 110, is given
Go out three of opposed configuration between the first actuator 110 and the second actuator 122 that including but not limited to above-described embodiment is provided
Possible embodiment is planted, is first actuator while ensureing to provide axial support force for first actuator 110
110 the first single-chip 112 provides radial support power, further increases the stability of the actuation means 100.Described first
Between the axial side end 114 of adjacent first single-chip 112 of actuator 110, adjacent second monocrystalline of second actuator 122
Between the axial side end 114 of piece 123 or between the axially contact line of the first single-chip 112 and second single-chip 123
The support slitting that the macromolecular material that bonds is supported, further enhances the axial bending resistance of the first single-chip 112 of actuation means 100
Turn round intensity.The composed component of first actuator 110 and the support member 120 is both preferably the Rectangular piezoelectric list of horizontal mode
Crystalline substance, further ensures the horizontal piezoelectric property of superelevation of the actuation means 100.
Second embodiment
Fig. 5 to Fig. 7 is refer to, shows that the present embodiment provides a kind of actuation means 100, the actuation means 100 include
First actuator 110 and support member 120, the support member 120 is arranged in first actuator 110.Itself and above-mentioned enforcement
The difference of example is that the support member 120 is single-chip to 126, and the single-chip is arranged at described first to 126 and activates
In device 110, for stably supporting first actuator 110.
, to 126 including two the second single-chips 123 being oppositely arranged, second single-chip 123 is ibid for the single-chip
State the single-chip of embodiment offer, it is preferable that the single-chip be arranged in parallel to 126 two the second single-chips 123.At least one
The individual single-chip can have various to the relative position relation between 126 and first actuator 110, including but not limited to
Mention three kinds of following embodiments.
Refer to Fig. 5, the radial direction that the radical length of second single-chip 123 is slightly less than first single-chip 112 is long
Degree, by the single-chip to 126 two second single-chips 123 each parallel to first actuator 110 a side
Side is arranged.Further, in order to reach more stable support effect, the single-chip is caused to 126 center with described first
The center superposition of dynamic device 110, so that first actuator 110 and the single-chip are stable to 126 in a horizontal plane.
Fig. 6 is referred to, the radical length of second single-chip 123 is less than the radical length of first single-chip 112,
The single-chip is set to 126 two second single-chips 123 each parallel to the diagonal of first actuator 110
Put, further, in order to reach more stable support effect, the center to 126 and first actuator by the single-chip
110 center superposition, so that first actuator 110 and the single-chip are stable to 126 in a horizontal plane.
Fig. 7 is referred to, the radical length of second single-chip 123 is less than the radical length of first single-chip 112,
The single-chip is preferably two to 126 quantity, and each described single-chip is respectively parallel to described first to two of 126 and causes
One diagonal of dynamic device 110 is arranged.Further, in order to reach more stable support effect, by two single-chips pair
126 center with the center superposition of first actuator 110 so that first actuator 110 and two monocrystalline
Piece is not scheduled in same horizontal plane to 126.
On the basis of above-described embodiment, can be with the axle of first single-chip 112 and second single-chip 123
The support slitting of bonding macromolecular material, further increases the first single-chip 112 of the first actuator 110 at contact position
Axial bending and reversing strength.
The actuation means 100 that above-mentioned the utility model embodiment is provided, the actuation means 100 for axially supporting institute
The support member 120 for stating the first actuator 110 is preferably at least a monocrystalline comprising two the second single-chips 123 being oppositely arranged
Piece reduces to a certain extent the monocrystalline sheet material of support member 120 to 126, reduces the cost of actuation means 100, and can carry
The axial bending-twisting ability of the first single-chip 112 of high actuation means 100.
3rd embodiment
Fig. 8 is referred to, shows that the present embodiment provides a kind of structural representation of underwater acoustic transducer 200, the underwater sound is changed
Energy device 200 includes the actuation means 100 that protecgulum 210, rear mass 220 and above-described embodiment are provided, and the actuation means 100 are wrapped
Axially arranged the first connection end and the second connection end is included, the protecgulum 210 connects with the first connection end of the actuation means 100
Connect, the second connection end of the actuation means 100 is connected with the rear mass 220.
The underwater acoustic transducer 200, refers to using crystal (quartz or sodium potassium tartrate tetrahydrate), piezoelectric ceramics (barium titanate and zirconium
Lead titanates etc.) piezo-electric effect or iron-nickel alloy magnetostrictive effect being operated.So-called piezo-electric effect, is exactly pressure
Electric body is thinly sliced in certain direction, and applies pressure on piezoelectrics thin slice, and positive electricity can be respectively produced in its both ends of the surface
Lotus and negative electrical charge.Otherwise when applying tensile force on piezoelectrics thin slice, will produce and plus-pressure phase on its two end faces
Anti- electric charge.Contrary with piezo-electric effect is inverse piezoelectric effect, i.e., apply alternating voltage, piezoelectrics on two end faces of piezoelectrics
Corresponding mechanically deform will be produced, ultrasonic wave is produced and received using inverse piezoelectric effect and piezo-electric effect.
Just supersonic oscillations voltage is added on two end faces of piezoelectrics thin slice during sonar transmission ultrasonic wave.Then piezoelectricity
The thickness of body will change with supersonic oscillations voltage, produce vibration of ultrasonic wave.Piezoelectrics vibrations promote the water of surrounding just
Ultrasonic Radiation can be produced.
The underwater acoustic transducer 200 that the present embodiment is provided, the actuation means 100 provided using above-described embodiment are drive mechanism
Constitute compound rod type underwater acoustic transducer 200.The actuation means 100 that the underwater acoustic transducer 200 is included include the first actuator
110 and the support member 120 that is arranged in first actuator 110, the axial length of the support member 120 be preferably with it is described
The axial length of the first actuator 110 is consistent, and the material of the support member 120 is preferably and constitutes first actuator 110
The first single-chip 112 it is consistent, be the Rectangular piezoelectric monocrystalline of the horizontal mode of the horizontal piezoelectric property with superelevation.
When the underwater acoustic transducer is set, can by the single-chip of the underwater acoustic transducer be preferably [011] direction polarization,
[100] the PZN-5.5%PT chips that direction drives, its thickness is 1mm, and monocrystalline cumulative volume is about 350mm3.Transducer before encapsulation
Height be about 22mm, net weight is about 40g.The centre frequency of transducer about 26kHz, transmitting voltage response is for about 144dB (0dB
=1V/ μ Pa@1m), sound source level is 184dB, and 3dB frequency ranges are 22kHz (23～45kHz).It is described according to the setting of above-mentioned data form
Underwater acoustic transducer, can reach more preferable underwater sound ultrasonic wave conversion effect.
The underwater acoustic transducer 200 that the present embodiment is provided, using the piezoelectricity effect of the horizontal superelevation of the single-chip of actuation means 100
Should be producing and receive superelevation sound wave.The longer thin single crystal piece of length is used for actuator in the underwater acoustic transducer of prior art
When, it is easily damaged because the bending and reversing strength of single-chip is low, cause the braking effect underwater sound under bending and distortion action
The normal technical problem for using of transducer, there is provided underwater acoustic transducer 200 include protecgulum 210, rear mass 220 and activate dress
100 are put, is provided for axially supporting described first to activate in the first actuator 110 as the actuation means 100 of driving equipment
The support member 120 of device 110, the support member 120 can be less than first actuator 110 the second actuator 122 or
To 126, the material of the support member 120 is preferably single-chip to single-chip, is ensureing axially to be supported to first actuator 110
While, the piezo-electric effect of the horizontal superelevation of actuation means 100 is further improved, the ultrasonic wave for improving underwater acoustic transducer 200 is received
Efficiency is sent out, dramatically extends the service life of underwater acoustic transducer 200.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (10)
1. a kind of actuation means, it is characterised in that include：First actuator and propping up for axially support first actuator
Support member, the support member is arranged in first actuator, the axial length one of the support member and first actuator
Cause, first actuator includes multiple first single-chips, the axial side end of multiple first single-chips adjoins into successively envelope
The tubular structure for closing.
2. actuation means according to claim 1, it is characterised in that the support member is section less than the described first actuating
Second actuator of device, second actuator includes multiple second single-chips, and multiple second single-chips are adjoined into successively
The tubular structure of closing.
3. actuation means according to claim 2, it is characterised in that the side of second single-chip fits in described
The inwall of one single-chip.
4. actuation means according to claim 2, it is characterised in that the incline of second single-chip fits in described
The inwall of one single-chip.
5. actuation means according to claim 1, it is characterised in that the support member includes at least one single-chip pair,
The single-chip is to including two the second single-chips being oppositely arranged, two the second single-chips of single-chip pair described at least one
It is symmetricly set in first actuator.
6. actuation means according to any one of claim 2 to 5, it is characterised in that also include for supporting described first
The axial side end of the support slitting of actuator, first single-chip and first single-chip supports slitting to connect by described
Connect, the axial side end between first single-chip and second single-chip supports slitting connection by described, described the
The axial side end of two single-chips and second single-chip supports slitting connection by described.
7. actuation means according to claim 6, it is characterised in that the support slitting is made by makrolon material
Connector.
8. actuation means according to claim 6, it is characterised in that first single-chip and second single-chip are equal
For the Rectangular piezoelectric monocrystalline of horizontal mode.
9. actuation means according to claim 6, it is characterised in that first single-chip and second single-chip
It is d31 single-chips or d32 single-chips.
10. a kind of underwater acoustic transducer, it is characterised in that include：Protecgulum, rear mass and as described in any one of claim 1 to 7
Actuation means, the actuation means include the first axially arranged connection end and the second connection end, first connection end with
The protecgulum connection, second connection end is connected with the rear mass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033629.7U CN206134235U (en) | 2016-08-31 | 2016-08-31 | Actuating device and underwater acoustic transducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621033629.7U CN206134235U (en) | 2016-08-31 | 2016-08-31 | Actuating device and underwater acoustic transducer |
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| Publication Number | Publication Date |
|---|---|
| CN206134235U true CN206134235U (en) | 2017-04-26 |
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| CN201621033629.7U Active CN206134235U (en) | 2016-08-31 | 2016-08-31 | Actuating device and underwater acoustic transducer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205582A (en) * | 2016-08-31 | 2016-12-07 | 北京越音速科技有限公司 | A kind of actuation means and manufacture method thereof and a kind of underwater acoustic transducer |
-
2016
- 2016-08-31 CN CN201621033629.7U patent/CN206134235U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205582A (en) * | 2016-08-31 | 2016-12-07 | 北京越音速科技有限公司 | A kind of actuation means and manufacture method thereof and a kind of underwater acoustic transducer |
| WO2018041239A1 (en) * | 2016-08-31 | 2018-03-08 | Beijing Supersonic Technology Co., Ltd. | Piezoelectric actuator, underwater acoustic transducer and method for producing underwater acoustic transducer |
| EP3507793A4 (en) * | 2016-08-31 | 2019-10-09 | Beijing Supersonic Technology Co., Ltd. | Piezoelectric actuator, underwater acoustic transducer and method for producing underwater acoustic transducer |
| CN106205582B (en) * | 2016-08-31 | 2023-04-28 | 北京越音速科技有限公司 | Actuating device, manufacturing method thereof and underwater sound transducer |
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