CN102868315A - Paster-type bending vibration composite dual-feet ultrasound motor oscillator - Google Patents
Paster-type bending vibration composite dual-feet ultrasound motor oscillator Download PDFInfo
- Publication number
- CN102868315A CN102868315A CN2012103869927A CN201210386992A CN102868315A CN 102868315 A CN102868315 A CN 102868315A CN 2012103869927 A CN2012103869927 A CN 2012103869927A CN 201210386992 A CN201210386992 A CN 201210386992A CN 102868315 A CN102868315 A CN 102868315A
- Authority
- CN
- China
- Prior art keywords
- bending vibration
- piezoelectric ceramic
- intermediate beam
- thin walled
- vibration piezoelectric
- 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.)
- Pending
Links
Images
Abstract
A paster-type bending vibration composite dual-feet ultrasound motor oscillator belongs to the technical field of piezoelectric ultrasound motors and solves the problem that the existing composite bending sandwich dual-driving-feet liner driving piezoelectric ultrasound motors are complex in structure and difficult in microminiaturization. An intermediate beam of the paster-type bending vibration composite dual-feet ultrasound motor oscillator is a quadrangular with a square cross section, two end faces of the intermediate beam are respectively connected with the head end of an amplitude variation rod, a friction plate is arranged at the tail end of each amplitude variation rod which is a block tapering off from the head end to the tail end, a thin-wall beam is arranged in the middle of each of two opposite lateral walls of the intermediate beam, the outer end of the thin-wall beam is fixedly connected with an installing seat, two bending vibration piezoelectric ceramic sheets are arranged on each lateral wall of the intermediate beam, the two bending vibration piezoelectric ceramic sheets are arranged on two sides of the thin-wall beam, and positions of four bending vibration piezoelectric ceramic sheets on a same side of the thin-wall beam on the intermediate beam correspond to one another. The paster-type bending vibration composite dual-feet ultrasound motor oscillator is applicable to manufacture of the ultrasound motors.
Description
Technical field
The present invention relates to the compound biped ultrasonic motor oscillator of a kind of SMD bending vibration, belong to the piezoelectric ultrasonic motor technical field.
Background technology
Piezoelectric ultrasonic motor utilizes the inverse piezoelectric effect of piezoelectric ceramic, in elastomer, motivate the vibration in the supersonic range, form the particle movement with particular track at surface of elastomer specified point or specific region, and then the microscopic motion of particle is converted to the macroscopic motion of rotor by the friction between stator, rotor coupling, have low speed high torque, need not gear, without electromagnetic interference, fast response time and the advantage such as cut off self-lock.
Chinese patent " composite flexural vibration sandwich type double-foot linear ultrasonic motor vibrator ", publication number is CN102361413A, open day is on February 22nd, 2012, a kind of new configuration of piezoelectric ultrasonic motor that adopts homotype quadrature bending vibration modes to realize the double-driving foot linear drives has been proposed first, its success avoided the mode degeneracy problem in the design process, but have the advantages such as simple in structure, flexible design producing in serial form; But owing to adopting sandwich structure, its processing, assembling are comparatively complicated, and be very high to the requirement on machining accuracy of part; In addition, sandwich structure is also so that its microminiaturization is difficult to realization.
Summary of the invention
The present invention is for the piezoelectric ultrasonic motor complex structure that solves existing composite bending vibration sandwich double-driving foot linear drives and is difficult to microminiaturized problem, provides a kind of SMD bending vibration compound biped ultrasonic motor oscillator.
The compound biped ultrasonic motor oscillator of SMD bending vibration of the present invention, it comprises intermediate beam, it also comprises two mount pads, two thin walled beams, two ultrasonic transformers, eight bending vibration piezoelectric ceramic pieces and two friction plates,
Intermediate beam is that cross section is foursquare quadrangular, and two end faces of intermediate beam are connected with the head end of a ultrasonic transformer respectively, and each ultrasonic transformer end is provided with friction plate, ultrasonic transformer be by head end to terminal tapered block,
The centre of two opposing sidewalls of intermediate beam arranges respectively a thin walled beam, and the outer end of thin walled beam is fixedly connected with mount pad,
Two bending vibration piezoelectric ceramic pieces are set on each sidewall of intermediate beam, and these two bending vibration piezoelectric ceramic pieces are positioned at the both sides of thin walled beam, and four positions of bending vibration piezoelectric ceramic piece on intermediate beam of each side of thin walled beam are corresponding,
The polarization of described bending vibration piezoelectric ceramic piece through-thickness, the polarised direction of two bending vibration piezoelectric ceramic pieces on the same sidewall of intermediate beam is opposite, and is identical in the polarised direction of two bending vibration piezoelectric ceramic pieces that are parallel to each other of thin walled beam the same side.
Described intermediate beam, two thin walled beams, two mount pads and two ultrasonic transformers are integrated part.
Two bending vibration piezoelectric ceramic pieces on the same sidewall of described intermediate beam are symmetrically distributed in the both sides of thin walled beam.
Advantage of the present invention is: the present invention adopts eight bending vibration piezoelectric ceramic pieces of through-thickness polarization to realize the excitation of two homotype quadrature even-orders flexural vibrations of oscillator, owing to adopting the homotype mode of oscillation, the symmetry that only needs to guarantee the oscillator cross section just can satisfy the consistent of two bending vibration modes resonance frequencys, so that the oscillator design possesses very large flexibility.
The present invention adopts paster structure, and process and assemble is very easy, and is lower to the part processing precision requirement, and is easy to realize microminiaturized; In addition, the thin walled beam in the oscillator can be realized resiliency supported and vibration isolation, drops to the influence degree that connects the flexural vibration mode of oscillator of mount pad and other member minimum.
That the present invention has advantages of is simple in structure, flexible design, be convenient to realize microminiaturized.
Description of drawings
Fig. 1 is motor oscillator perspective view of the present invention;
Fig. 2 is the structural representation of the integral piece of intermediate beam, two thin walled beams, two mount pads and two ultrasonic transformer formation;
Fig. 3 is the polarised direction schematic diagram of a kind of polarization mode of eight bending vibration piezoelectric ceramic pieces;
Fig. 4 promotes the view of mover motion when being described motor oscillator work, 7 is mover among the figure, and arrow is depicted as the direction of motion of mover.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 to Fig. 4, the compound biped ultrasonic motor oscillator of the described SMD bending vibration of present embodiment, it comprises intermediate beam 1, it also comprises two mount pads 2, two thin walled beams 3, two ultrasonic transformers 4, eight bending vibration piezoelectric ceramic pieces 5 and two friction plates 6
The centre of two opposing sidewalls of intermediate beam 1 arranges respectively a thin walled beam 3, and the outer end of thin walled beam 3 is fixedly connected with mount pad 2,
Two bending vibration piezoelectric ceramic pieces 5 are set on each sidewall of intermediate beam 1, and these two bending vibration piezoelectric ceramic pieces 5 are positioned at the both sides of thin walled beam 3, and four positions of bending vibration piezoelectric ceramic piece 5 on intermediate beam 1 of thin walled beam 3 each side are corresponding,
The polarization of described bending vibration piezoelectric ceramic piece 5 through-thickness, the polarised direction of two bending vibration piezoelectric ceramic pieces 5 on the same sidewall of intermediate beam 1 is opposite, and is identical in the polarised direction of two bending vibration piezoelectric ceramic pieces 5 that are parallel to each other of thin walled beam 3 the same sides.
The described motor oscillator of present embodiment is when using, intermediate beam 1 is connected with the common port of driving power, shown in the figure, the outer surface and one of four fixing bending vibration piezoelectric ceramic pieces 5 drives mutually signal and is connected on about 1 two sides of intermediate beam, and the outer surface and other of four bending vibration piezoelectric ceramic pieces 5 that intermediate beam is fixed on two sides about in the of 1 drives mutually signal and is connected.
Eight bending vibration piezoelectric ceramic pieces 5 are arranged at four sides of intermediate beam 1, correspondence is positioned at the anti-node location of oscillator even-order flexural vibrations, and this is so that the stretching vibration that four bending vibration piezoelectric ceramic pieces that are parallel to each other replace can effectively motivate the flexural vibrations of oscillator.
Motor oscillator of the present invention is when work, and the four bending vibration piezoelectric ceramic pieces 5 that are parallel to each other are one group, adopts in-phase voltage to encourage; Eight bending vibration piezoelectric ceramic piece 5 proportions are that oscillator bending vibration resonance frequency, phase difference are pressed signal for+90 ° two-phase alternating current and encouraged; The stretching vibration meeting that four fixing bending vibration piezoelectric ceramic pieces replace on about 1 two sides of intermediate beam motivates the flexural vibrations in the oscillator XOY plane, and correspondence causes ultrasonic transformer 4 terminal particle horizontal directions, the i.e. axial displacement of OY; Intermediate beam is fixing four stretching vibrations that bending vibration piezoelectric ceramic piece 5 replaces on two sides about in the of 1, can motivate the flexural vibrations in the oscillator XOZ plane, and correspondence causes ultrasonic transformer 4 terminal particle vertical directions, the i.e. axial displacement of OZ; Two flexural vibrations stacks can be moved at the elliptical orbit that two ultrasonic transformers, 4 end surface particles produce in the same way, and then realize the macroscopic motion output of mover 7 by the coupling of the friction between ultrasonic transformer 4 ends and the mover 7.If adjusting the phase difference of two-phase pumping signal is-90 °, can realize reverse drive.
The compound biped ultrasonic motor oscillator of the described SMD bending vibration of present embodiment is when practical application, with a kind of mated condition of mover referring to shown in Figure 4, friction plate 6 frictional connections of the lower surface of the mover of strip and ultrasonic transformer 4 ends, when oscillator vibration, ultrasonic transformer 4 terminal generations are vibrated, corresponding friction plate 6 and mover friction coupling, and then drive the mover motion.
Embodiment two: below in conjunction with Fig. 2 present embodiment is described, present embodiment is for to the further specifying of execution mode one, and described intermediate beam 1, two thin walled beams 3, two mount pads 2 and two ultrasonic transformers 4 are integrated part.
Described thin walled beam 3 can be realized the effect of resiliency supported and vibration isolation, can drop to the influence degree that connects the flexural vibration mode of oscillator of oscillator and other member minimum.
Embodiment three: below in conjunction with Fig. 1 present embodiment is described, present embodiment is for to the further specifying of execution mode one or two, and two bending vibration piezoelectric ceramic pieces 5 on the same sidewall of described intermediate beam 1 are symmetrically distributed in the both sides of thin walled beam 3.
The symmetrical mode of bending vibration piezoelectric ceramic piece 5 can guarantee the stretching vibration of piezoelectric ceramic piece 5, realizes the efficient excitation of oscillator flexural vibrations.
Claims (3)
1. compound biped ultrasonic motor oscillator of SMD bending vibration, it comprises intermediate beam (1), it is characterized in that: it also comprises two mount pads (2), two thin walled beams (3), two ultrasonic transformers (4), eight bending vibration piezoelectric ceramic pieces (5) and two friction plates (6)
Intermediate beam (1) is foursquare quadrangular for cross section, two end faces of intermediate beam (1) are connected with the head end of a ultrasonic transformer (4) respectively, each ultrasonic transformer (4) end is provided with friction plate (6), ultrasonic transformer (4) is to terminal tapered block by head end
The centre of two opposing sidewalls of intermediate beam (1) arranges respectively a thin walled beam (3), and the outer end of thin walled beam (3) is fixedly connected with mount pad (2),
Two bending vibration piezoelectric ceramic pieces (5) are set on each sidewall of intermediate beam (1), these two bending vibration piezoelectric ceramic pieces (5) are positioned at the both sides of thin walled beam (3), and the position of four bending vibration piezoelectric ceramic pieces (5) on intermediate beam (1) of each side of thin walled beam (3) is corresponding
The polarization of described bending vibration piezoelectric ceramic piece (5) through-thickness, the polarised direction of the two bending vibration piezoelectric ceramic pieces (5) on the same sidewall of intermediate beam (1) is opposite, and is identical in the polarised direction of the two bending vibration piezoelectric ceramic pieces (5) that are parallel to each other of thin walled beam (3) the same side.
2. the compound biped ultrasonic motor oscillator of SMD bending vibration according to claim 1, it is characterized in that: described intermediate beam (1), two thin walled beams (3), two mount pads (2) and two ultrasonic transformers (4) are integrated part.
3. the compound biped ultrasonic motor oscillator of SMD bending vibration according to claim 1 and 2, it is characterized in that: the two bending vibration piezoelectric ceramic pieces (5) on the same sidewall of described intermediate beam (1) are symmetrically distributed in the both sides of thin walled beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103869927A CN102868315A (en) | 2012-10-12 | 2012-10-12 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103869927A CN102868315A (en) | 2012-10-12 | 2012-10-12 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102868315A true CN102868315A (en) | 2013-01-09 |
Family
ID=47446973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103869927A Pending CN102868315A (en) | 2012-10-12 | 2012-10-12 | Paster-type bending vibration composite dual-feet ultrasound motor oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102868315A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580533A (en) * | 2013-09-02 | 2014-02-12 | 上海大学 | Double-wing type linear ultrasonic motor |
| CN103746600A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite piezoelectric supersonic motor vibrator |
| CN103746599A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite single-foot piezoelectric supersonic motor vibrator |
| CN105587616A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Bending vibration surface mount type active water spraying propulsion device and driving method thereof |
| CN105587622A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Surface mount type bending vibration complex excitation active water spraying propulsion device and driving method thereof |
| CN105587608A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Paster type bending vibration and complex-excitation passive water jet propulsion unit and drive method thereof |
| CN105587600A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Bending vibration patch type passive jet propulsion device and driving method thereof |
| CN106230309A (en) * | 2016-09-26 | 2016-12-14 | 吉林大学 | Become friction-type bending vibration compound biped Piexoelectric actuator |
| CN106452162A (en) * | 2016-11-25 | 2017-02-22 | 哈尔滨工业大学 | Patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator |
| CN106828644A (en) * | 2017-03-06 | 2017-06-13 | 南京航空航天大学 | A kind of patch type piezoelectric drives four-wheel planetary detecting robot and its method of work |
| CN110518833A (en) * | 2019-09-04 | 2019-11-29 | 南京邮电大学 | A kind of multi-direction piezoelectric energy collector of square prism shape |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101283460A (en) * | 2005-06-14 | 2008-10-08 | 新阶科技股份有限公司 | Mechanism comprised of ultrasonic lead screw motor |
| JP2008289348A (en) * | 2007-04-17 | 2008-11-27 | Mitsumi Electric Co Ltd | Driving device |
| CN102361414A (en) * | 2011-10-19 | 2012-02-22 | 哈尔滨工业大学 | Buckling composite modal sandwich type double-foot rotating ultrasonic motor vibrator with elastic supports |
| CN102437780A (en) * | 2011-10-18 | 2012-05-02 | 哈尔滨工业大学 | Partition excitation type composite bending vibration linear ultrasonic motor oscillator |
-
2012
- 2012-10-12 CN CN2012103869927A patent/CN102868315A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101283460A (en) * | 2005-06-14 | 2008-10-08 | 新阶科技股份有限公司 | Mechanism comprised of ultrasonic lead screw motor |
| JP2008289348A (en) * | 2007-04-17 | 2008-11-27 | Mitsumi Electric Co Ltd | Driving device |
| CN102437780A (en) * | 2011-10-18 | 2012-05-02 | 哈尔滨工业大学 | Partition excitation type composite bending vibration linear ultrasonic motor oscillator |
| CN102361414A (en) * | 2011-10-19 | 2012-02-22 | 哈尔滨工业大学 | Buckling composite modal sandwich type double-foot rotating ultrasonic motor vibrator with elastic supports |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580533A (en) * | 2013-09-02 | 2014-02-12 | 上海大学 | Double-wing type linear ultrasonic motor |
| CN103580533B (en) * | 2013-09-02 | 2015-12-23 | 上海大学 | Double-wing linear ultrasonic motor |
| CN103746600A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite piezoelectric supersonic motor vibrator |
| CN103746599A (en) * | 2014-01-27 | 2014-04-23 | 哈尔滨工业大学 | Paster bent vibration composite single-foot piezoelectric supersonic motor vibrator |
| CN105587608A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Paster type bending vibration and complex-excitation passive water jet propulsion unit and drive method thereof |
| CN105587622A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Surface mount type bending vibration complex excitation active water spraying propulsion device and driving method thereof |
| CN105587616A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Bending vibration surface mount type active water spraying propulsion device and driving method thereof |
| CN105587600A (en) * | 2015-05-08 | 2016-05-18 | 长春工业大学 | Bending vibration patch type passive jet propulsion device and driving method thereof |
| CN106230309A (en) * | 2016-09-26 | 2016-12-14 | 吉林大学 | Become friction-type bending vibration compound biped Piexoelectric actuator |
| CN106230309B (en) * | 2016-09-26 | 2017-12-29 | 吉林大学 | Become the compound biped Piexoelectric actuator of frictional bending vibration |
| CN106452162A (en) * | 2016-11-25 | 2017-02-22 | 哈尔滨工业大学 | Patch type clamped-beam orthogonal composite ultrasonic wire-drawing oscillator |
| CN106452162B (en) * | 2016-11-25 | 2018-07-17 | 哈尔滨工业大学 | A kind of orthogonal composite ultraphonic wave wire drawing oscillator of the clamped beam type of patch type |
| CN106828644A (en) * | 2017-03-06 | 2017-06-13 | 南京航空航天大学 | A kind of patch type piezoelectric drives four-wheel planetary detecting robot and its method of work |
| CN110518833A (en) * | 2019-09-04 | 2019-11-29 | 南京邮电大学 | A kind of multi-direction piezoelectric energy collector of square prism shape |
| CN110518833B (en) * | 2019-09-04 | 2021-09-28 | 南京邮电大学 | Regular quadrangular multi-direction piezoelectric energy collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102868315A (en) | Paster-type bending vibration composite dual-feet ultrasound motor oscillator | |
| CN101626203B (en) | Vibrator of beam type linear ultrasonic motor using bending vibration modes | |
| CN102307021B (en) | Not same order bending vibration modes linear ultrasonic motor and function mode thereof | |
| CN103746597B (en) | SMD T-shaped dual-feet linear piezoelectric supersonic motor vibrator | |
| CN102437786A (en) | Surface mount type square four-footed rotational ultrasonic motor vibrator | |
| CN104967355A (en) | Bionic crawling multi-foot linear piezoelectric actuator | |
| CN111464070A (en) | Linear ultrasonic motor stator and electric excitation method thereof | |
| CN102361413A (en) | Composite flexural vibration sandwich type double-foot linear ultrasonic motor vibrator | |
| CN102355160B (en) | Longitudinal and bending composite mode sandwich two-foot ultrasonic linear motor oscillator with elastic support | |
| CN102361414A (en) | Buckling composite modal sandwich type double-foot rotating ultrasonic motor vibrator with elastic supports | |
| CN102868316A (en) | Paster-type dual-feet ultrasound motor oscillator | |
| CN102882420A (en) | Surface-mounted piezoelectric ceramic and metal composite beam and method for exciting the composite beam to realize longitudinal and bending compounded vibration | |
| CN101895231B (en) | Miniature two-degrees-of-freedom plane motion piezoelectric motor | |
| CN102739106A (en) | Bent vibration composite single-driving foot linear ultrasonic driver | |
| CN102437782B (en) | Sandwich I-shaped four-footed linear ultrasonic motor vibrator | |
| CN102437783B (en) | Surface mount type I-shaped four-footed linear ultrasonic motor vibrator | |
| CN105406754A (en) | Longitudinal-flexural-combined single-foot two-degree-of-freedom ultrasonic motor vibrator | |
| CN101860257B (en) | Miniature piezoelectric monocrystal linear motor | |
| CN211859981U (en) | Circular patch type double-foot linear ultrasonic motor and stator thereof | |
| CN102882422A (en) | Sandwich type piezoelectric metal composite beam and method for driving longitudinal and torsional combined oscillation of sandwich type piezoelectric metal composite beam | |
| CN102361412A (en) | Patch type rectangular four-foot linear ultrasonic motor vibrator | |
| CN102497132A (en) | Ceramic embedded I-shaped four-foot linear ultrasonic motor vibrator | |
| CN102437780A (en) | Partition excitation type composite bending vibration linear ultrasonic motor oscillator | |
| CN103795290A (en) | Patch type longitudinal vibration composite single-foot piezoelectric ultrasonic motor oscillator | |
| CN103746599A (en) | Paster bent vibration composite single-foot piezoelectric supersonic motor vibrator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130109 |