CN110048636A - Piezoelectric supersonic driver and its application method based on longitudinal-shaking sandwich formula energy converter - Google Patents
Piezoelectric supersonic driver and its application method based on longitudinal-shaking sandwich formula energy converter Download PDFInfo
- Publication number
- CN110048636A CN110048636A CN201910318641.4A CN201910318641A CN110048636A CN 110048636 A CN110048636 A CN 110048636A CN 201910318641 A CN201910318641 A CN 201910318641A CN 110048636 A CN110048636 A CN 110048636A
- Authority
- CN
- China
- Prior art keywords
- longitudinal
- energy converter
- shaking sandwich
- rotor
- shaking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 19
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 52
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 239000000919 ceramic Substances 0.000 claims description 51
- 239000011159 matrix material Substances 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 15
- 238000009413 insulation Methods 0.000 claims description 13
- 230000008602 contraction Effects 0.000 claims description 5
- 230000010287 polarization Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 9
- 230000010355 oscillation Effects 0.000 abstract description 7
- 239000002131 composite material Substances 0.000 abstract description 6
- 238000010923 batch production Methods 0.000 abstract description 4
- 230000002463 transducing effect Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920001967 Metal rubber Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
- H02N2/046—Mechanical transmission means, e.g. for stroke amplification for conversion into rotary motion
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a kind of piezoelectric supersonic driver and its application method based on longitudinal-shaking sandwich formula energy converter, the piezoelectric supersonic driver includes horizontally disposed pedestal, two adjustment seats, stator mechanism and rotor, stator mechanism includes two longitudinal-shaking sandwich energy converters, two longitudinal-shaking sandwich energy converters are laid about the axis of flange shaft in rotational symmetry, and the angle between the driving foot of longitudinal-shaking sandwich energy converter and the tangential direction of rotor contact point and the telescopic direction of longitudinal-shaking sandwich energy converter is less than 90 degree；The application method the following steps are included: one, piezoelectric supersonic driver assembly and adjusting；Two, longitudinal-shaking sandwich energy converter applies sinusoidal excitation voltage and rotor rotation.The configuration of the present invention is simple realizes single mode driving, and the piezoelectric supersonic driver for being mainly used for solving the composite modes such as longitudinal vibration bending vibration, longitudinal vibration torsional oscillation needs modal matching, complex structural designs, is difficult to realize the problems such as batch production.
Description
Technical field
The invention belongs to piezoelectric supersonic Drive technology fields, and in particular to a kind of pressure based on longitudinal-shaking sandwich formula energy converter
Electric ultrasonic drivers.
Background technique
Piezoelectric supersonic driver is that a kind of inverse piezoelectric effect using piezoelectric material converts electrical energy into the novel of mechanical energy
Driver.Its stator is usually the composite elastic body being made of piezoelectric ceramics and metal elastomer, by applying to piezoelectric ceramics
The alternating voltage of supersonic frequency is realized in stator elastomeric with frequency mechanical oscillation, and then is formed and had in stator driving region endoplasm point
There is the motion profile of driving effect, further by the friction coupling between stator and rotor, realizes the defeated of rotor macroscopic motion
Out.Its with structure simple, flexible design, low speed high torque (thrust), torque density height, positioning accuracy height, fast response time,
Cut off self-lock, without electromagnetic interference the advantages that.
Piezoelectric supersonic driver can be divided into sandwich and two kinds of patch type according to the arrangement of piezoelectric ceramic piece, sandwich
The piezoelectric supersonic driver of formula piezoelectric ceramic piece relative to the piezoelectric supersonic driver of patch type piezoelectric potsherd have thrust it is big,
The features such as output speed is fast.In actual design application, the piezoelectric supersonic driver of sandwich piezoelectric ceramic piece mostly uses longitudinal vibration
The composite modes such as bending vibration is compound, longitudinal vibration torsional oscillation is compound come realize driving, therefore design when it is multi-modal between need to carry out mode letter
And which increase the complexities of piezoelectric actuator structure design, are not easy to batch production manufacture.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of based on longitudinal vibration
The piezoelectric supersonic driver of sandwich transducer, structure is simple, designs reasonable and high reliablity, and longitudinal-shaking sandwich transducing is only arranged
Device realizes single mode driving, is mainly used for solving the piezoelectric supersonic driver needs of the composite modes such as longitudinal vibration bending vibration, longitudinal vibration torsional oscillation
Modal matching, complex structural designs are difficult to realize the problems such as batch production, practical.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: it is a kind of based on longitudinal-shaking sandwich formula energy converter
Piezoelectric supersonic driver, it is characterised in that: be symmetrically mounted on including horizontally disposed pedestal, two on pedestal and along base width
Adjustment seat that direction is laid, the stator mechanism that is mounted in adjustment seat and be mounted on the base and be located at two adjustment seats it
Between rotor, the flange shaft for rotor installation is provided on the pedestal, the stator mechanism includes two longitudinal-shaking sandwich transducings
Device, two longitudinal-shaking sandwich energy converters are laid about the axis of flange shaft in rotational symmetry；
The adjustment seat can be moved along base length direction close to or far from rotor direction, be provided in the adjustment seat
It installs and can be changed along the energy converter fixing seat that adjustment seat length direction moves, two longitudinal-shaking sandwich for longitudinal-shaking sandwich energy converter
Energy device drives foot and the outer surface of rotor to be in close contact, and the longitudinal-shaking sandwich energy converter drives sufficient and rotor contact point cut
Angle between line direction and the telescopic direction of the longitudinal-shaking sandwich energy converter is less than 90 degree.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: be arranged on the pedestal
There is the first T-type groove mobile to close or separate rotor direction for adjustment seat；
The the second T-type groove moved for energy converter fixing seat along adjustment seat length direction is provided in the adjustment seat.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: two longitudinal vibration folders
The structure of heart energy converter is identical, and the longitudinal-shaking sandwich energy converter includes rear matrix, the insulation sleeve being set on rear matrix, multi-disc set
The piezoelectric ceramics that is located at outside insulation sleeve and be mounted on rear base end and be located at the amplitude transformer of piezoelectric ceramics side, it is described after matrix
Electrode slice, phase are provided between piezoelectric ceramics, between adjacent two panels piezoelectric ceramics and between piezoelectric ceramics and amplitude transformer
The polarization direction of adjacent two panels piezoelectric ceramics is opposite.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: matrix includes after described
Rear end cap, the flexible hinge that the one end of the rear end cap far from driving foot is arranged in and setting are in the rear end cap close to driving foot
One end screw rod, the insulation sleeve is sleeved on screw rod, and the amplitude transformer is threadably mounted at screw rod end and is located at piezoelectricity and makes pottery
Porcelain side, the driving are located at end of the amplitude transformer far from screw rod enough, and the quantity of the flexible hinge is two, and two described soft
Property hinge is symmetricly set on the two sides of the rear end cap, is provided with mounting plate, the cross section of the screw rod on the flexible hinge
Less than the cross section of rear end cap.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: the flange shaft setting
For hollow shaft, the end of the flange shaft and rotor are that axis hole interference fit connects.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: the energy converter is fixed
Seat includes the level board being horizontally arranged in adjustment seat and the vertical plate for being symmetricly set on the horizontal board ends, two vertical plates
Between be provided with for longitudinal-shaking sandwich energy converter installation gap.
The above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: the longitudinal-shaking sandwich changes
Energy device is fixedly connected with the vertical plate by screw, is arranged between the screw cap and longitudinal-shaking sandwich energy converter contact surface of the screw
There is disc spring.
Meanwhile a kind of the invention also discloses method and steps simple, design rationally and is realized and is easily based on longitudinal-shaking sandwich
The application method of the piezoelectric supersonic driver of formula energy converter, which is characterized in that method includes the following steps:
Step 1: the assembly and adjusting of piezoelectric supersonic driver:
Step 101 distinguishes installation and adjustment seat at the both ends of pedestal, energy converter fixing seat is installed in adjustment seat, and changing
Longitudinal-shaking sandwich formula energy converter can be installed in device fixing seat；
Step 102, adjusting adjustment seat are moved along base length direction, adjust energy converter fixing seat along adjustment seat length direction
It is mobile, so that the appearance face contact of the driving foot and rotor of two longitudinal-shaking sandwich formula energy converters；
Step 103, by adjusting the screw between longitudinal-shaking sandwich formula energy converter and energy converter fixing seat, to adjust driving foot
Pretightning force between rotor interface, it is ensured that when longitudinal-shaking sandwich formula transducer contracts state, foot is driven to be detached from rotor outer surface；
Wherein, two longitudinal-shaking sandwich energy converters are laid about the axis of flange shaft in rotational symmetry, the longitudinal-shaking sandwich energy converter
Driving foot and rotor contact point tangential direction and the longitudinal-shaking sandwich energy converter telescopic direction between angle less than 90
Degree；
Step 2: longitudinal-shaking sandwich energy converter applies sinusoidal excitation voltage and rotor rotation:
Step 201 applies sinusoidal excitation voltage to piezoelectric ceramics in longitudinal-shaking sandwich formula energy converter, and piezoelectric ceramics is long along pedestal
Direction to be spent to stretch, the flexible of piezoelectric ceramics is transferred to driving foot, drive foot to drive rotor rotation, detailed process is as follows:
When applying forward voltage to piezoelectric ceramics in longitudinal-shaking sandwich formula energy converter, longitudinal-shaking sandwich formula energy converter is along base length
Direction longitudinal elongation, the thrust that the driving of longitudinal-shaking sandwich formula energy converter generates enough are decomposed into the driving of the tangential direction along contact point
Power and pressure perpendicular to tangential direction, drive force rotor clockwise rotation along a tangential direction, perpendicular to tangential direction
Pressure control rotor frictional force；
When applying negative voltage to piezoelectric ceramics in longitudinal-shaking sandwich formula energy converter, longitudinal-shaking sandwich formula energy converter is along base length
Direction longitudinal contraction, the deboost that the driving of longitudinal-shaking sandwich formula energy converter generates enough drive rotor clockwise retarded motion, and
It is decelerated to after speed is zero in rotor and starts rotation counterclockwise.
The application method of the above-mentioned piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
Sinusoidal excitation voltage V (t) is V (t)=VrThe unit of sin (2 π ft), sinusoidal excitation voltage V (t) are V；Wherein, VrIndicate voltage
Virtual value, unit V；F indicates frequency, and unit Hz, t indicate the time, and the value range of unit s, f are greater than 20kHz, Vr
Value range be 10V≤Vr≤200V。
Compared with the prior art, the present invention has the following advantages:
1, adjustment seat of the present invention and energy converter fixed seat structure are simple, design is reasonable and it is convenient to adjust, and realize
The adjusting of the relative position of longitudinal-shaking sandwich energy converter and rotor, and then realize the torque of rotor and the flexible change of revolving speed.
2, stator mechanism of the present invention includes the longitudinal-shaking sandwich energy converter that two rotational symmetry are laid, and utilizes two
Longitudinal-shaking sandwich energy converter synchronizes driving to rotor, so that rotor and flange shaft stress are symmetrical, can not only increase piezoelectric supersonic
The driving moment of driver, and it is avoided that flange shaft unilateral side stress generates bending deformation.
3, the driving foot of longitudinal-shaking sandwich energy converter of the present invention is indulged with the tangential direction of rotor contact point with described
Angle between the telescopic direction of shaking sandwich energy converter is in order to when longitudinal-shaking sandwich formula energy converter is along base length side less than 90 degree
To it is flexible when, the thrust convenient for generating the driving of longitudinal-shaking sandwich formula energy converter enough is decomposed into the drive of the tangential direction along contact point
Power and perpendicular to the two component of the pressure of tangential direction, driving force along a tangential direction make the contact of rotor with driving foot
Relative motion is generated between face, so that the frictional force drives rotor rotation of tangential direction is generated, perpendicular to the pressure control of tangential direction
Make the size of frictional force.
4, longitudinal-shaking sandwich energy converter of the present invention does not include sandwich transducing merely with the longitudinal vibration of sandwich converter
The mode such as the torsional oscillation of device and bending vibration are not necessarily to modal matching in this way, and the size that can easily be accommodated piezoelectric supersonic driver realizes industrialization.
5, the application method of the piezoelectric supersonic driver of the present invention based on longitudinal-shaking sandwich formula energy converter, step letter
Single, design is reasonable, and adjusting is convenient, and input cost is low.
6, the application method of the piezoelectric supersonic driver of the present invention based on longitudinal-shaking sandwich formula energy converter, first into
The assembly and adjusting of row piezoelectric supersonic driver are adjusted pre- between the driving foot of longitudinal-shaking sandwich formula energy converter and rotor interface
Clamp force；Later, apply sinusoidal excitation voltage to longitudinal-shaking sandwich formula energy converter, piezoelectric supersonic driver is realized in driving rotor rotation
Single mode driving.
In conclusion the configuration of the present invention is simple, designs reasonable and high reliablity, longitudinal-shaking sandwich energy converter is only arranged, realize
Single mode driving, the piezoelectric supersonic driver for being mainly used for solving the composite modes such as longitudinal vibration bending vibration, longitudinal vibration torsional oscillation need mode simple
And complex structural designs, be difficult to realize batch production the problems such as, it is practical.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is that the present invention is based on the structural schematic diagrams of the piezoelectric supersonic driver of longitudinal-shaking sandwich formula energy converter.
Fig. 2 is the structural schematic diagram of longitudinal-shaking sandwich energy converter of the present invention.
Fig. 3 be the present invention after matrix, insulation sleeve and piezoelectric ceramics structural schematic diagram.
Fig. 4 is the top view of Fig. 1.
Fig. 5 is the flow diagram of the application method of the piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter.
Description of symbols:
1-pedestal；1-1-the first T-type groove；2-adjustment seats；
2-1-the second T-type groove；3-rotors；4-flange shafts；
5-longitudinal-shaking sandwich energy converters；The rear matrix of 5-1-；5-1-1-mounting plate；
5-1-2-flexible hinge；5-1-3-screw rod；5-1-4-rear end cap；
5-2-piezoelectric ceramics；5-3-insulation sleeve；5-4-amplitude transformer；
5-4-1-driving foot；5-5-electrode slice；5-5-1-negative electrode plate；
5-5-2-electrode film；6-energy converter fixing seats；6-1-level board；
6-2-vertical plate；7-disc springs；7-1-screw.
Specific embodiment
As shown in Figure 1, the present invention include horizontally disposed pedestal 1, two be symmetrically mounted on it is on pedestal 1 and wide along pedestal 1
It spends the adjustment seat 2 laid in direction, the stator mechanism being mounted in adjustment seat 2 and is mounted on the pedestal 1 and is located at two tune
The rotor 3 between seat 2 is saved, the flange shaft 4 installed for rotor 3 is provided on the pedestal 1, the stator mechanism includes two vertical
Shaking sandwich energy converter 5, two longitudinal-shaking sandwich energy converters 5 are laid about the axis of flange shaft 4 in rotational symmetry；
The adjustment seat 2 can be moved along 1 length direction of pedestal close to or far from 3 direction of rotor, be set in the adjustment seat 2
It is equipped with for the installation of longitudinal-shaking sandwich energy converter 5 and can be along the energy converter fixing seat 6 that 2 length direction of adjustment seat moves, two described vertical
The driving foot 5-4-1 of shaking sandwich energy converter 5 and the outer surface of rotor 3 are in close contact, the driving foot of the longitudinal-shaking sandwich energy converter 5
Angle between the tangential direction of 3 contact point 5-4-1 and rotor and the telescopic direction of the longitudinal-shaking sandwich energy converter 5 is less than 90
Degree.
In the present embodiment, be provided on the pedestal 1 for adjustment seat 2 to close to or far from 3 direction of rotor it is mobile the
One T-type groove 1-1；
The the second T-type groove moved for energy converter fixing seat 6 along 2 length direction of adjustment seat is provided in the adjustment seat 2
2-1。
As shown in Figures 2 and 3, in the present embodiment, the structure of two longitudinal-shaking sandwich energy converters 5 is identical, the longitudinal vibration
Sandwich converter 5 is set in outside insulation sleeve 5-3 including rear matrix 5-1, the insulation sleeve 5-3 being set on rear matrix 5-1, multi-disc
Piezoelectric ceramics 5-2 and be mounted on the end rear matrix 5-1 and be located at the amplitude transformer 5-4 of the side piezoelectric ceramics 5-2, it is described after matrix 5-
It is all provided between 1 and piezoelectric ceramics 5-2, between adjacent two panels piezoelectric ceramics 5-2 and between piezoelectric ceramics 5-2 and amplitude transformer 5-4
It is equipped with electrode slice 5-5, the polarization direction of adjacent two panels piezoelectric ceramics 5-2 is opposite.
As shown in figure 3, the rear matrix 5-1 includes rear end cap 5-1-4, is arranged in the rear end cap 5- in the present embodiment
The flexible hinge 5-1-2 of the one end of 1-4 far from driving foot 5-4-1 and setting are in the close driving foot 5-4-1 of the rear end cap 5-1-4
One end screw rod 5-1-3, the insulation sleeve 5-3 is sleeved on screw rod 5-1-3, and the amplitude transformer 5-4 is threadably mounted at screw rod
The end 5-1-3 and it is located at the side piezoelectric ceramics 5-2, the driving foot 5-4-1 is located at end of the amplitude transformer 5-4 far from screw rod 5-1-3
Portion, the quantity of the flexible hinge 5-1-2 are two, and two flexible hinge 5-1-2 are symmetricly set on the rear end cap 5-
The two sides of 1-4, mounting plate 5-1-1 is provided on the flexible hinge 5-1-2, and the cross section of the screw rod 5-1-3 is less than rear end
Cover the cross section of 5-1-4.
In the present embodiment, the flange shaft 4 is set as hollow shaft, and the end of the flange shaft 4 and rotor 3 are axis hole interference
It is cooperatively connected.
As shown in figure 4, the energy converter fixing seat 6 includes the level board being horizontally arranged in adjustment seat 2 in the present embodiment
It is provided between 6-1 and the vertical plate 6-2, two vertical plate 6-2 that are symmetricly set on the both ends the level board 6-1 for longitudinal-shaking sandwich
The gap that energy converter 5 is installed.
In the present embodiment, when it is implemented, the mounting plate 5-1-1 and vertical plate 6-2 connects by the way that screw 7-1 is fixed
It connects, is arranged with disc spring 7 between the screw cap and mounting plate 5-1-1 contact surface of the screw 7-1.
In the present embodiment, the adjustment seat 2 can be moved along 1 length direction of pedestal to close to or far from 3 direction of rotor, be
In order to adjustment seat 2 along the length direction of pedestal 1 move during drive longitudinal-shaking sandwich energy converter 5 along 1 length direction of pedestal to
Mobile close to or far from 3 direction of rotor, it is for transducing that setting energy converter fixing seat 6 can be moved along 2 length direction of adjustment seat
During device fixing seat 6 is moved along 2 length direction of adjustment seat, drive longitudinal-shaking sandwich energy converter 5 along 1 width direction of pedestal to leaning on
It is close or mobile far from 3 direction of rotor, and then change the relative position of longitudinal-shaking sandwich energy converter 5 and rotor 3, realize rotor 3
The flexible change of torque and revolving speed.
In the present embodiment, the longitudinal-shaking sandwich energy converter 5 that two rotational symmetry are laid is set, is to be pressed from both sides using two longitudinal vibrations
Heart energy converter 5 synchronizes driving to rotor 3, so that rotor 3 and 4 stress of flange shaft are symmetrical, can not only increase piezoelectric supersonic drive
The driving moment of dynamic device, and it is avoided that the unilateral stress of flange shaft 4 generates bending deformation.
In the present embodiment, setting longitudinal-shaking sandwich energy converter 5 driving foot 5-4-1 and 3 contact point of rotor tangential direction and
Angle between the telescopic direction of the longitudinal-shaking sandwich energy converter 5 is in order to when longitudinal-shaking sandwich formula energy converter 5 is the bottom of along less than 90 degree
When 1 length direction of seat is flexible, the thrust convenient for generating the driving foot 5-4-1 of longitudinal-shaking sandwich formula energy converter 5 is decomposed into along contact
Point tangential direction driving force and perpendicular to the two component of the pressure of tangential direction, driving force along a tangential direction make turn
Relative motion is generated between son 3 and the contact surface for driving foot 5-4-1, so that the frictional force drives rotor 3 for generating tangential direction rotates,
The size of frictional force is controlled perpendicular to the pressure of tangential direction.
In the present embodiment, longitudinal-shaking sandwich energy converter 5 is set, does not include sandwich transducing merely with the longitudinal vibration of sandwich converter
The torsional oscillation and bending vibration of device are not necessarily to modal matching in this way, and the size that can easily be accommodated piezoelectric supersonic driver realizes industrialization.
In the present embodiment, the quantity of the first T-type groove 1-1 is four, four the first T-type groove 1-1 settings
In the quadrangle of pedestal 1.
In the present embodiment, the setting of the first T-type groove 1-1, first, it is for the ease of the installation of adjustment seat 2, and adjustment seat
2 both ends are installed in the first T-type groove 1-1, to limit to the both ends of adjustment seat 2, it is ensured that adjustment seat 2 installs standard
Really；Second, it is in order to which adjustment seat 2 can be moved along the length direction of pedestal 1, to make longitudinal-shaking sandwich energy converter 5 along 1 length of pedestal
Direction is mobile to close or separate 3 direction of rotor.
In the present embodiment, the setting of the second T-type groove 2-1 is exchanged to clamp for the bottom of energy converter fixing seat 6
The installation site of energy device fixing seat 6 is limited, convenient for the installation of energy converter fixing seat 6；And convenient for for 6 edge of energy converter fixing seat
2 length direction of adjustment seat is mobile, to realize longitudinal-shaking sandwich energy converter 5 along 1 width direction of pedestal to close to or far from rotor 3
Direction is mobile.
In the present embodiment, the electrode slice 5-5 includes negative electrode plate 5-5-1 and electrode film 5-5-2, two neighboring negative electricity
Electrode film 5-5-2 is provided between pole piece 5-5-1, the negative electrode plate 5-5-1 is connect with power supply cathode, the positive electricity
Pole piece 5-5-2 is connect with power supply anode, and the quantity of the negative electrode plate 5-5-1 is greater than the quantity of electrode film 5-5-2.
In the present embodiment, be arranged negative electrode plate 5-5-1 and electrode film 5-5-2 and two neighboring negative electrode plate 5-5-1 it
Between be provided with electrode film 5-5-2, be to realize piezoelectric ceramics 5-2 to apply positive or backward voltage to piezoelectric ceramics 5-2
Alternating it is flexible so that longitudinal-shaking sandwich energy converter 5 can drive along 1 length direction longitudinal elongation of pedestal or shortening to reach
The purpose of 3 rotation of turn.
In the present embodiment, the amplitude transformer 5-4 is gradually decreased from the end rear matrix 5-1 to the driving foot cross section 5-4-1, institute
The outer surface for stating driving foot 5-4-1 is arc-shaped.
In the present embodiment, the amplitude transformer 5-4 and driving foot 5-4-1 are integrally formed, and reduce longitudinal extension energy loss, and
Processing and fabricating is convenient.
In the present embodiment, amplitude transformer 5-4 is gradually decreased from the end rear matrix 5-1 to the driving foot cross section 5-4-1, and first is
It can be with the appearance face contact of rotor 3, to give the longitudinal direction of amplitude transformer 5-4 for the ease of the driving foot 5-4-1 of the end amplitude transformer 5-4
It is flexible that reserved space is provided；Second, it is in order to by the Amplitude amplification of longitudinal vibration.
In the present embodiment, it is to guarantee to drive sufficient 5-4-1 and rotor 3 that the outer surface of setting driving foot 5-4-1 is arc-shaped
Smooth engagement is carried out, and driving force of the progress along the tangential direction of contact point and the pressure perpendicular to tangential direction are decomposed, and are convenient for
Driving force along a tangential direction to generate relative motion between rotor 3 and the contact surface for driving foot 5-4-1, to generate tangent line side
To frictional force drives rotor 3 rotate, improve rotor 3 rotation stability.
In the present embodiment, piezoelectric ceramics 5-2 is to be based on when applying positive or backward voltage to piezoelectric ceramics 5-2
Inverse piezoelectric effect, piezoelectric ceramics 5-2 will when and it is thinning when and thicken, generate extensional vibration, and then extensional vibration be transferred to
Foot 5-4-1 is driven, realizes the driving to rotor 3.
In the present embodiment, the setting of insulation sleeve 5-3 is in order to avoid rear matrix 5-1 and piezoelectric ceramics 5-2 and electrode slice 5-
5 is conductive.
In the present embodiment, mounting plate 5-1-1 is set, is realized and is pressed from both sides to longitudinal vibration to be fixedly connected with the vertical plate 6-2
The fixation of heart energy converter 5.
In the present embodiment, flexible hinge 5-1-2 is set, and first is for the installation of mounting plate 5-1-1；Second, be in order to
When longitudinal-shaking sandwich energy converter 5 is along 1 length direction longitudinal vibration of pedestal, flexible hinge 5-1-2 reduces the influence to longitudinal vibration to the maximum extent.
In the present embodiment, the setting of screw rod 5-1-3, first is for insulation sleeve 5-3, piezoelectric ceramics 5-2 and electrode slice 5-5
Installation, reduce piezoelectric ceramics 5-2 and electrode slice 5-5 installation space；Second is for the ease of connecting with amplitude transformer 5-4 screw thread
It connects, realizes that applying pretightning force makes piezoelectric ceramics 5-2 work in compressive stress state.
In the present embodiment, be arranged disc spring 7, be in order to by adjust screw 7-1 tighten degree adjust driving foot 5-4-1
Pretightning force between rotor 3.
A kind of application method of piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter as shown in Figure 5, including with
Lower step:
Step 1: the assembly and adjusting of piezoelectric supersonic driver:
Step 101 distinguishes installation and adjustment seat 2 at the both ends of pedestal 1, and energy converter fixing seat 6 is installed in adjustment seat 2, and
Longitudinal-shaking sandwich formula energy converter 5 is installed in energy converter fixing seat 6；
The first T connected in star 1-1 of step 102, adjusting adjustment seat 2 on pedestal 1 is moved, so that adjustment seat 2 is long along pedestal 1
Degree direction moves close to, and adjusts twoth T connected in star 2-1 of the energy converter fixing seat 6 in adjustment seat 5 and moves, so that two longitudinal vibrations
The appearance face contact of driving the foot 5-4-1 and rotor 3 of sandwich transducer 5；
Step 103, by adjusting the screw 7-1 between longitudinal-shaking sandwich formula energy converter 5 and energy converter fixing seat 6, to adjust
Drive the pretightning force between foot 5-4-1 and 3 contact surface of rotor, it is ensured that when longitudinal-shaking sandwich formula 5 contraction state of energy converter, drive foot 5-
4-1 is detached from 3 outer surface of rotor；Wherein, two longitudinal-shaking sandwich energy converters 5 are in rotational symmetry cloth about the axis of flange shaft 4
If the driving foot 5-4-1 of the longitudinal-shaking sandwich energy converter 5 and tangential direction and the longitudinal-shaking sandwich transducing of 3 contact point of rotor
Angle between the telescopic direction of device 5 is less than 90 degree；
Step 2: longitudinal-shaking sandwich energy converter applies sinusoidal excitation voltage and rotor rotation:
Negative electrode plate 5-5-1 in longitudinal-shaking sandwich formula energy converter 5 is connect by step 201 with power supply cathode, and longitudinal vibration is pressed from both sides
Electrode film 5-5-2 is connect with power supply anode in core type energy converter 5, to piezoelectric ceramics 5-2 in longitudinal-shaking sandwich formula energy converter 5
Apply sinusoidal excitation voltage, piezoelectric ceramics 5-2 is flexible along 1 length direction of pedestal, and the flexible of piezoelectric ceramics 5-2 is transferred to driving foot
5-4-1, driving foot 5-4-1 driving rotor 3 rotate, and detailed process is as follows:
When big to the voltage applied between the electrode film 5-5-2 and negative electrode plate 5-5-1 in longitudinal-shaking sandwich formula energy converter 5
When zero, apply forward voltage to piezoelectric ceramics 5-2 in longitudinal-shaking sandwich formula energy converter 5, longitudinal-shaking sandwich formula energy converter 5 is along pedestal 1
Length direction longitudinal elongation, the thrust that the driving foot 5-4-1 of longitudinal-shaking sandwich formula energy converter 5 is generated are decomposed into the tangent line along contact point
The driving force in direction and pressure perpendicular to tangential direction, drive force rotor 3 along a tangential direction rotate clockwise, vertically
In the frictional force of the pressure control rotor 3 of tangential direction；
When small to the voltage applied between the electrode film 5-5-2 and negative electrode plate 5-5-1 in longitudinal-shaking sandwich formula energy converter 5
When zero, apply negative voltage to piezoelectric ceramics 5-2 in longitudinal-shaking sandwich formula energy converter 5, longitudinal-shaking sandwich formula energy converter 5 is along pedestal 1
Length direction longitudinal contraction, the deboost that the driving foot 5-4-1 of longitudinal-shaking sandwich formula energy converter 5 is generated drive rotor 3 clockwise
Retarded motion, and decelerated to after speed is zero in rotor 3 and start rotation counterclockwise, but in each drive cycle, revolve clockwise
Turn amount and be greater than rotation amount counterclockwise, mover 3 is in the state that clockwise movement can macroscopically be presented.
In the present embodiment, the sinusoidal excitation voltage V (t) is V (t)=VrSin (2 π ft), sinusoidal excitation voltage V's (t)
Unit is V；Wherein, VrIndicate voltage effective value, unit V；F indicates frequency, and unit Hz, t indicate time, unit s, f
Value range be greater than 20kHz, VrValue range be 10V≤Vr≤200V。
In the present embodiment, it should be noted that in each drive cycle of rotor 3, the amount of rotating clockwise is greater than the inverse time
Needle rotation amount, rotor 3 is in the state that clockwise movement can macroscopically be presented.
In the present embodiment, it should be noted that when applying identical voltage, longitudinal-shaking sandwich formula energy converter 5 is contacted with rotor 3
Angle between the tangential direction of point and the telescopic direction of the longitudinal-shaking sandwich energy converter 5 is smaller, longitudinal-shaking sandwich formula energy converter 5
The thrust for driving foot 5-4-1 to generate is bigger along the driving force of the tangential direction of contact point, the contact of rotor 3 and driving foot 5-4-1
Generation relative motion is bigger between face, and the rotation speed of rotor 3 is faster, but the pressure in vertical tangent lines direction reduces, and driving moment becomes
It is small.
In the present embodiment, piezoelectric supersonic driver of the present invention is a kind of single mode piezoelectric supersonic driver, it makes full use of
The advantages that longitudinal-shaking sandwich formula energy converter thrust output is big, output speed is fast, while longitudinal vibration bending vibration, longitudinal vibration torsional oscillation are solved again
The piezoelectric supersonic driver of equal composite modes needs modal matching, complex structural designs, is difficult to realize the problems such as mass production.
Meanwhile the piezoelectric supersonic driver only needs sinusoidal excitation voltage application all the way, reduces piezoelectric supersonic driver to driving
The requirement of power supply, and the maximum output torque of its piezoelectric supersonic driver and maximum output speed are adjustable, increase driving
Device uses flexibility.
In the present embodiment, piezoelectric supersonic driver realizes rotation using the longitudinal vibration mode driving rotor of longitudinal-shaking sandwich formula energy converter
Turn, has many advantages, such as that structure design is simple, at low cost, driveability flexible adjustment, is convenient for industrialized production, can be applied to not
With the rotary piezoelectric drive area of performance requirement.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (9)
1. a kind of piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: including horizontally disposed pedestal
(1), two adjustment seats (2) for being symmetrically mounted on pedestal (1) and laying along pedestal (1) width direction, be mounted on adjustment seat (2)
On stator mechanism and the rotor (3) that is mounted on the pedestal (1) and is located between two adjustment seats (2), the pedestal (1)
On be provided with for rotor (3) installation flange shaft (4), the stator mechanism include two longitudinal-shaking sandwich energy converters (5), two institutes
The axis that longitudinal-shaking sandwich energy converter (5) is stated about flange shaft (4) is laid in rotational symmetry；
The adjustment seat (2) can be close along pedestal (1) length direction or far from the movement of rotor (3) direction, the adjustment seat (2)
On be provided with for longitudinal-shaking sandwich energy converter (5) installation and can be mobile along adjustment seat (2) length direction energy converter fixing seat (6),
The outer surface of the driving foot (5-4-1) and rotor (3) of two longitudinal-shaking sandwich energy converters (5) is in close contact, the longitudinal vibration folder
The driving foot (5-4-1) of heart energy converter (5) and the tangential direction of rotor (3) contact point and the longitudinal-shaking sandwich energy converter (5)
Angle between telescopic direction is less than 90 degree.
2. the piezoelectric supersonic driver described in accordance with the claim 1 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
The first T-type groove (1-1) mobile to close or separate rotor (3) direction for adjustment seat (2) is provided on pedestal (1)；
It is provided on the adjustment seat (2) recessed along the second mobile T-type of adjustment seat (2) length direction for energy converter fixing seat (6)
Slot (2-1).
3. the piezoelectric supersonic driver described in accordance with the claim 1 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: two
The structure of the longitudinal-shaking sandwich energy converter (5) is identical, after the longitudinal-shaking sandwich energy converter (5) includes rear matrix (5-1), is set in
Insulation sleeve (5-3) on matrix (5-1), multi-disc are set in the outer piezoelectric ceramics (5-2) of insulation sleeve (5-3) and are mounted on rear matrix
The end (5-1) and the amplitude transformer (5-4) for being located at the side piezoelectric ceramics (5-2), matrix (5-1) and piezoelectric ceramics (5-2) afterwards
Between, be provided with electrode between adjacent two panels piezoelectric ceramics (5-2) and between piezoelectric ceramics (5-2) and amplitude transformer (5-4)
The polarization direction of piece (5-5), adjacent two panels piezoelectric ceramics (5-2) is opposite.
4. the piezoelectric supersonic driver described in accordance with the claim 3 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
Matrix (5-1) includes rear end cap (5-1-4), setting in the one end of the rear end cap (5-1-4) far from driving foot (5-4-1) afterwards
Flexible hinge (5-1-2) and setting the rear end cap (5-1-4) close to drive foot (5-4-1) one end screw rod (5-1-3),
The insulation sleeve (5-3) is sleeved on screw rod (5-1-3), the amplitude transformer (5-4) be threadably mounted at the screw rod end (5-1-3) and
Positioned at the side piezoelectric ceramics (5-2), the end for driving foot (5-4-1) to be located at amplitude transformer (5-4) separate screw rod (5-1-3),
The quantity of the flexible hinge (5-1-2) is two, and two flexible hinges (5-1-2) are symmetricly set on the rear end cap
The two sides of (5-1-4) are provided with mounting plate (5-1-1) on the flexible hinge (5-1-2), the screw rod (5-1-3) it is transversal
Face is less than the cross section of rear end cap (5-1-4).
5. the piezoelectric supersonic driver described in accordance with the claim 1 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
Flange shaft (4) is set as hollow shaft, and the end and rotor (3) of the flange shaft (4) are that axis hole interference fit connects.
6. the piezoelectric supersonic driver described in accordance with the claim 1 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
Energy converter fixing seat (6) includes the level board (6-1) being horizontally arranged on adjustment seat (2) and is symmetricly set on the level board
The vertical plate (6-2) at the both ends (6-1) is provided between two vertical plates (6-2) between longitudinal-shaking sandwich energy converter (5) installation
Gap.
7. the piezoelectric supersonic driver according to claim 6 based on longitudinal-shaking sandwich formula energy converter, it is characterised in that: described
Longitudinal-shaking sandwich energy converter (5) is fixedly connected with the vertical plate (6-2) by screw (7-1), the screw cap of the screw (7-1)
Disc spring (7) are arranged between longitudinal-shaking sandwich energy converter (5) contact surface.
8. a kind of application method of the piezoelectric supersonic driver based on longitudinal-shaking sandwich formula energy converter, which is characterized in that the user
Method the following steps are included:
Step 1: the assembly and adjusting of piezoelectric supersonic driver:
Step 101 distinguishes installation and adjustment seat (2) at the both ends of pedestal (1), and energy converter fixing seat is installed on adjustment seat (2)
(6), longitudinal-shaking sandwich formula energy converter (5) and on energy converter fixing seat (6) are installed；
Step 102 adjusts adjustment seat (2) along the movement of pedestal (1) length direction, adjusts energy converter fixing seat (6) along adjustment seat (5)
Length direction is mobile, so that the appearance face contact of driving foot (5-4-1) and rotor (3) of two longitudinal-shaking sandwich formula energy converters (5)；
Step 103 passes through the screw (7-1) adjusted between longitudinal-shaking sandwich formula energy converter (5) and energy converter fixing seat (6), to adjust
Section drives the pretightning force between foot (5-4-1) and rotor (3) contact surface, it is ensured that when longitudinal-shaking sandwich formula energy converter (5) contraction state,
Foot (5-4-1) is driven to be detached from rotor (3) outer surface；Wherein, two longitudinal-shaking sandwich energy converters (5) are about flange shaft (4)
Axis is laid in rotational symmetry, the tangent line of driving foot (5-4-1) and rotor (3) contact point of the longitudinal-shaking sandwich energy converter (5)
Angle between direction and the telescopic direction of the longitudinal-shaking sandwich energy converter (5) is less than 90 degree；
Step 2: longitudinal-shaking sandwich energy converter applies sinusoidal excitation voltage and rotor rotation:
Step 201 applies sinusoidal excitation voltage, piezoelectric ceramics (5- to piezoelectric ceramics (5-2) in longitudinal-shaking sandwich formula energy converter (5)
2) flexible along pedestal (1) length direction, the flexible of piezoelectric ceramics (5-2) is transferred to driving foot (5-4-1), drives foot (5-4-1)
Rotor (3) rotation is driven, detailed process is as follows:
When to piezoelectric ceramics (5-2) application forward voltage, longitudinal-shaking sandwich formula energy converter (5) edge in longitudinal-shaking sandwich formula energy converter (5)
Pedestal (1) length direction longitudinal elongation, the thrust that the driving foot (5-4-1) of longitudinal-shaking sandwich formula energy converter (5) generates are decomposed into edge
The driving force of the tangential direction of contact point and pressure perpendicular to tangential direction, drive force rotor (3) along a tangential direction
It rotates clockwise, perpendicular to the frictional force of pressure control rotor (3) of tangential direction；
When to piezoelectric ceramics (5-2) application negative voltage, longitudinal-shaking sandwich formula energy converter (5) edge in longitudinal-shaking sandwich formula energy converter (5)
Pedestal (1) length direction longitudinal contraction, the deboost that the driving foot (5-4-1) of longitudinal-shaking sandwich formula energy converter (5) generates drive
Rotor (3) retarded motion clockwise, and decelerated to after speed is zero in rotor (3) and start rotation counterclockwise.
9. the application method of the piezoelectric supersonic driver according to claim 8 based on longitudinal-shaking sandwich formula energy converter, special
Sign is: the sinusoidal excitation voltage V (t) is V (t)=VrThe unit of sin (2 π ft), sinusoidal excitation voltage V (t) are V；Its
In, VrIndicate voltage effective value, unit V；F indicates frequency, and unit Hz, t indicate time, the value range of unit s, f
For greater than 20kHz, VrValue range be 10V≤Vr≤200V。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318641.4A CN110048636B (en) | 2019-04-19 | 2019-04-19 | Piezoelectric ultrasonic driver based on longitudinal vibration sandwich type transducer and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910318641.4A CN110048636B (en) | 2019-04-19 | 2019-04-19 | Piezoelectric ultrasonic driver based on longitudinal vibration sandwich type transducer and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110048636A true CN110048636A (en) | 2019-07-23 |
| CN110048636B CN110048636B (en) | 2020-07-17 |
Family
ID=67278027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910318641.4A Expired - Fee Related CN110048636B (en) | 2019-04-19 | 2019-04-19 | Piezoelectric ultrasonic driver based on longitudinal vibration sandwich type transducer and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110048636B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757445A (en) * | 2019-11-27 | 2020-02-07 | 西安科技大学 | Planar super-redundancy mechanical arm and use method thereof |
| CN111162693A (en) * | 2020-01-08 | 2020-05-15 | 浙江师范大学 | Piezoelectric driving platform |
| CN111384873A (en) * | 2020-01-08 | 2020-07-07 | 浙江师范大学 | Bionic inchworm type driving device and excitation method thereof |
| CN114769693A (en) * | 2022-04-26 | 2022-07-22 | 南京工程学院 | Torsional vibration cutter platform for ultrasonic-assisted milling and test system thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626203A (en) * | 2009-08-19 | 2010-01-13 | 哈尔滨工业大学 | Vibrator of beam type linear ultrasonic motor using bending vibration modes |
| WO2014008394A1 (en) * | 2012-07-03 | 2014-01-09 | Discovery Technology International, Inc. | Piezoelectric linear motor |
| CN104426421A (en) * | 2013-09-06 | 2015-03-18 | 卡西欧计算机株式会社 | Driving device and clock |
| CN106208803A (en) * | 2016-07-25 | 2016-12-07 | 南京航空航天大学 | Utilize rectangular block shape linear ultrasonic motor and electric excitation method thereof thereof that single mode drives |
| CN108322090A (en) * | 2018-03-04 | 2018-07-24 | 长春工业大学 | External stirs type rotary piezoelectric stick-slip driver and its driving method |
-
2019
- 2019-04-19 CN CN201910318641.4A patent/CN110048636B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101626203A (en) * | 2009-08-19 | 2010-01-13 | 哈尔滨工业大学 | Vibrator of beam type linear ultrasonic motor using bending vibration modes |
| WO2014008394A1 (en) * | 2012-07-03 | 2014-01-09 | Discovery Technology International, Inc. | Piezoelectric linear motor |
| CN104426421A (en) * | 2013-09-06 | 2015-03-18 | 卡西欧计算机株式会社 | Driving device and clock |
| CN106208803A (en) * | 2016-07-25 | 2016-12-07 | 南京航空航天大学 | Utilize rectangular block shape linear ultrasonic motor and electric excitation method thereof thereof that single mode drives |
| CN108322090A (en) * | 2018-03-04 | 2018-07-24 | 长春工业大学 | External stirs type rotary piezoelectric stick-slip driver and its driving method |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110757445A (en) * | 2019-11-27 | 2020-02-07 | 西安科技大学 | Planar super-redundancy mechanical arm and use method thereof |
| CN110757445B (en) * | 2019-11-27 | 2024-04-30 | 西安科技大学 | Planar super-redundancy mechanical arm and use method thereof |
| CN111162693A (en) * | 2020-01-08 | 2020-05-15 | 浙江师范大学 | Piezoelectric driving platform |
| CN111384873A (en) * | 2020-01-08 | 2020-07-07 | 浙江师范大学 | Bionic inchworm type driving device and excitation method thereof |
| CN111384873B (en) * | 2020-01-08 | 2023-09-12 | 浙江师范大学 | Bionic inchworm type driving device and excitation method thereof |
| CN114769693A (en) * | 2022-04-26 | 2022-07-22 | 南京工程学院 | Torsional vibration cutter platform for ultrasonic-assisted milling and test system thereof |
| CN114769693B (en) * | 2022-04-26 | 2023-12-19 | 南京工程学院 | Torsional vibration tool platform for ultrasonic-assisted milling and testing system thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110048636B (en) | 2020-07-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110048636A (en) | Piezoelectric supersonic driver and its application method based on longitudinal-shaking sandwich formula energy converter | |
| KR101086912B1 (en) | Fine control of electromechanical motors | |
| JPS61224881A (en) | Vibration wave motor | |
| CN104964134B (en) | The head that a kind of use ultrasonic oscillator drives | |
| CN113726216B (en) | Non-same-frequency double-stator driving piezoelectric motor | |
| CN111245290B (en) | Single-degree-of-freedom piezoelectric turntable and excitation method thereof | |
| CN101984550B (en) | Flexible hinge based clamping and positioning device for linear ultrasonic motor | |
| CN115566931B (en) | Two rotational degree of freedom executor based on piezoelectric wafer drive | |
| CN210431263U (en) | Novel piezoelectric rotation precision driving platform | |
| CN108429486A (en) | Combined flat surface 3-freedom ultrasonic motor oscillator and its driving method | |
| CN102931874B (en) | The piezoelectric motor that longitrorse type piezoelectric ceramic cylinder drives | |
| CN104734561B (en) | A kind of spring leaf formula parallel connection type supersonic motor | |
| CN102055373B (en) | Multi-rotor cylindrical high-torque ultrasonic motor | |
| CN110601596B (en) | Standing wave type magnetic repulsion unidirectional rotating motor based on piezoelectric ceramic | |
| CN110022089A (en) | A kind of sandwich magnetic repulsion rotating electric machine based on piezoelectric ceramics | |
| CN109004859B (en) | Spoke type rotor ultrasonic motor based on longitudinal vibration and working mode thereof | |
| CN108386317B (en) | A kind of double-form multifunction piezoelectric actuator wind-energy collecting device | |
| CN203596765U (en) | Longitudinal oscillation and bending oscillation composite mode supersonic wave motor | |
| CN110912448A (en) | Novel efficient piezoelectric rotation precision driving platform based on asymmetric triangular arc flexible hinge mechanism | |
| CN110601597B (en) | Bimodal compound inchworm ultrasonic motor | |
| CN201312268Y (en) | Ultrasonic motor with double diaphragm type stator | |
| CN102097974A (en) | Travelling-wave linear ultrasonic micromotor | |
| CN201113830Y (en) | Ultrasonic electric motor adopting outer supporting structure stator drive | |
| CN2442447Y (en) | Voltage equalizing traveling-wave supersonic motor | |
| CN115224977B (en) | Resonant rotary piezoelectric motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20210419 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |