CN208535074U - A kind of piezoelectricity active damper based on cantilever beam - Google Patents
A kind of piezoelectricity active damper based on cantilever beam Download PDFInfo
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- CN208535074U CN208535074U CN201821156759.9U CN201821156759U CN208535074U CN 208535074 U CN208535074 U CN 208535074U CN 201821156759 U CN201821156759 U CN 201821156759U CN 208535074 U CN208535074 U CN 208535074U
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- Prior art keywords
- cantilever beam
- cantilever
- active damper
- damper based
- support arm
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Abstract
The utility model discloses a kind of piezoelectricity active damper based on cantilever beam, is related to cantilever beam technical field, including supporting module, cantilever beam and control module；The cantilever beam is set in the supporting module, and the control module is for effectively inhibiting the cantilever vibration of beam；The supporting module includes pedestal and support arm, and the support arm is arranged at the top of the pedestal；The first end of the cantilever beam is fixed on the support arm；The control module includes controller, piezoelectric actuator and piezoelectric transducer, the controller is set on the support arm, and the piezoelectric actuator is set to the second end upper surface of the cantilever beam, and the piezoelectric transducer is set to the second end lower surface of the cantilever beam；The piezoelectric actuator and the piezoelectric transducer are electrically connected by the controller and extraneous power supply.The vibration absorber of the utility model, design is rationally, practical, and can effectively inhibit cantilever vibration of beam.
Description
Technical field
The utility model relates to cantilever beam technical field more particularly to a kind of piezoelectricity active damping dresses based on cantilever beam
It sets.
Background technique
Cantilever beam is that one end of fingerboard is not generate axial direction, vertical displacement and the hold-down support of rotation, and the other end is freely
End (can produce and be parallel to power axial and perpendicular to axial direction).In Practical Project analysis, most of Practical Project forced section
Part can be reduced to cantilever beam, and cantilever beam usually due to extraneous disturbance, causes cantilever beam to shake in practical applications
It is dynamic, in some special circumstances, it is not necessary to vibration many troubles or even catastrophic effect can be brought to us；How to invent
A kind of piezoelectricity active damper based on cantilever beam that can inhibit or eliminate cantilever beam vibration, is current the art
Personnel's urgent problem to be solved.
Therefore, those skilled in the art is dedicated to developing a kind of piezoelectricity active damper based on cantilever beam, design
Rationally, practical, and can effectively inhibit cantilever vibration of beam.
Utility model content
In view of the above drawbacks of the prior art, technical problem to be solved in the utility model is how to provide one kind to set
Meter is rationally, practical and can be with the vibration problems of effective solution cantilever beam.
To achieve the above object, the utility model provides a kind of piezoelectricity active damper based on cantilever beam, including
Supporting module, cantilever beam and control module；The cantilever beam is set in the supporting module, and the control module is for effective
Inhibit the cantilever vibration of beam, the supporting module is used to support the entire vibration absorber；
The supporting module includes pedestal and support arm, and the support arm is arranged at the top of the pedestal；It is described outstanding
The first end of arm beam is fixed on the support arm；
The control module includes controller, piezoelectric actuator and piezoelectric transducer, and the controller is set to the branch
In brace, the piezoelectric actuator is set to the second end upper surface of the cantilever beam, and the piezoelectric transducer is set to described
The second end lower surface of cantilever beam；The piezoelectric actuator and the piezoelectric transducer pass through the controller and extraneous power supply electricity
Property connection.
Further, the piezoelectricity active damper based on cantilever beam further includes support Damping modules, is used to support described
Cantilever beam and slow down the cantilever vibration of beam.
Further, the support Damping modules include support column, sleeve and elastic parts；The sleeve is socketed on described
The first end end face of the first end of support column, the sleeve and the support column forms cavity, and setting is flexible in the cavity
Component；The second end of the support column is fixed on the pedestal.
Further, the bottom of the elastic parts is connect with the first end end face of the support column.
Further, the elastic parts is set as three springs.
Further, the piezoelectric patches in the piezoelectric actuator is set as PVDF piezopolymer.
Further, the piezoelectric patches in the piezoelectric transducer is set as PZT piezoelectric ceramic piece.
Further, the support arm is arranged to be welded to connect on the pedestal.
Further, the cantilever beam is fixed by bolts on the side wall of the support arm.
Further, the controller is screwed on the support arm.
In the better embodiment of the utility model, a kind of piezoelectricity active damper based on cantilever beam, including branch
Hold mode block, cantilever beam and control module；The cantilever beam is set in the supporting module, and the control module is for effectively pressing down
The cantilever vibration of beam is made, the supporting module is used to support the entire vibration absorber；The supporting module includes pedestal
And support arm, the support arm are arranged at the top of the pedestal；The first end of the cantilever beam is fixed on the support arm
On；The control module includes controller, piezoelectric actuator and piezoelectric transducer, and the controller is set to the support arm
On, the piezoelectric actuator is set to the second end upper surface of the cantilever beam, and the piezoelectric transducer is set to the cantilever
The second end lower surface of beam；The piezoelectric actuator and the piezoelectric transducer are electrically connected by the controller and extraneous power supply
It connects.Piezoelectricity active damper based on cantilever beam further includes support Damping modules, is used to support the cantilever beam and slows down institute
State cantilever vibration of beam.The support Damping modules include support column, sleeve and elastic parts；The sleeve is socketed on the branch
The first end end face of the first end of dagger, the sleeve and the support column forms cavity, flexible group of setting in the cavity
Part；The second end of the support column is fixed on the pedestal.The first end of the bottom of the elastic parts and the support column
End face connection.The elastic parts is set as three springs.It is poly- that piezoelectric patches in the piezoelectric actuator is set as PVDF piezoelectricity
Close object.Piezoelectric patches in the piezoelectric transducer is set as PZT piezoelectric ceramic piece.The support arm be arranged to be welded to connect in
On the pedestal.The cantilever beam is fixed by bolts on the side wall of the support arm.The controller is screwed
In on the support arm.
Detection by piezoelectric transducer to cantilever beam vibration, will send instruction to controller, and controller is passed to piezoelectricity
After the instruction that sensor is sent is acquired, calculates analysis and processing, controller issues piezoelectric actuator and instructs, and makes piezoelectric actuating
Device inhibits cantilever vibration of beam.
Technical effect:
A kind of piezoelectricity active damper based on cantilever beam of the utility model, design is rationally, practical, and can be with
Effectively inhibit cantilever vibration of beam；The support Damping modules, can further suppress cantilever vibration of beam.
Make furtherly below with reference to technical effect of the attached drawing to the design of the utility model, specific structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Detailed description of the invention
Fig. 1 is that the structure of the piezoelectricity active damper based on cantilever beam of a preferred embodiment of the utility model is shown
It is intended to；
Fig. 2 is the structural schematic diagram of the support Damping modules of a preferred embodiment of the utility model；
Wherein, 1- pedestal, 2- support arm, 3- cantilever beam, 4- controller, 5- piezoelectric actuator, 6- piezoelectric transducer, 7- branch
Dagger, 8- sleeve, 9- elastic parts.
Specific embodiment
Multiple preferred embodiments that the utility model is introduced below with reference to Figure of description, keep its technology contents clearer
Be easy to understand.The utility model can be emerged from by many various forms of embodiments, the protection of the utility model
Range is not limited only to the embodiment mentioned in text.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.The size and thickness of each component shown in the drawings are to be arbitrarily shown, and the utility model is not
Limit the size and thickness of each component.Apparent in order to make to illustrate, some places suitably exaggerate the thickness of component in attached drawing.
As shown in Figure 1, the utility model provides a kind of piezoelectricity active damper based on cantilever beam, including pedestal 1,
Support arm 2 is welded on the top left side position of pedestal 1, and cantilever beam 3 is mounted by means of bolts on the right side wall top of support column 2
Position, controller 4 is embedded in the outer wall for being mounted on support arm 2, and controller 4 is fixed on support arm 2 by screw, controller
4 concrete model is 6AG1222-1BF22-2XBO, and piezoelectric actuator 5 is mounted by means of bolts on the top right of cantilever beam 3
End, the model model PSt150/7/60VS12 of piezoelectric actuator 5, piezoelectric transducer 6 are mounted by means of bolts on cantilever beam
3 bottom right end, piezoelectric actuator 5 and piezoelectric transducer 6 are electrically connected by controller 4 and extraneous power supply.
Piezoelectric patches in piezoelectric actuator 5 is PVDF piezopolymer, and the piezoelectric patches in piezoelectric transducer 6 is PZT piezoelectricity
Potsherd.
When cantilever beam 3 vibrates, when to 3 active damping of cantilever beam, cantilever beam 3 will produce piezoelectric transducer 6 in vibration moment
A raw downward pressure, the PZT piezoelectric ceramic piece in piezoelectric transducer 6 will generate deformation at this time, and piezoelectric transducer 6 is by deformation
The mechanical energy of generation is converted to electric energy, generates signal, and controller 4 acquires the signal that piezoelectric transducer 6 generates, and to the letter of acquisition
It number carries out after calculating analysis and processing, will be to 5 input control signal of piezoelectric actuator, piezoelectric actuator 5 will generate vibration at this time
Response applies reversal of vibrations to cantilever beam 3, with cantilever beam 3 since the response that external disturbance excitation generates offsets, eliminates cantilever
The vibration of beam 3.
As shown in Fig. 2, support column 7 is welded on pedestal 1, the top of support column 7 and elastic parts 9 are welded, and elasticity
The other end of component 9 and the inner cavity top of sleeve 8 weld, and by 8 sets of the sleeve outer walls in support column 7, elastic parts 9 is by three bullets
Spring composition.
When piezoelectric transducer 6, piezoelectric actuator 5 and controller 4 composition to cantilever beam 3 inhibit vibration control system without
Method work, and cantilever beam 3 external disturbance generate vibratory response when, cantilever beam 3 generate vibration, will to sleeve 8 apply one to
Under pressure, sleeve 8 will be with respect to 7 slide downward of support column, and elastic parts 9 will be pressurized and generate deformation at this time, apply one to sleeve 8
The power that elastic parts 9 applies is passed to the cantilever beam 3 of vibration by the transmitting effect of power, makes elasticity by a upward power, sleeve 8
The power that the power and external disturbance that component 9 applies apply cantilever beam 3 is cancelled out each other, and the vibration of cantilever beam 3 is inhibited.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that this field ordinary skill without
It needs creative work according to the present utility model can conceive and makes many modifications and variations.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment according to the design of the utility model on the basis of existing technology can
It, all should be within the scope of protection determined by the claims with obtained technical solution.
Claims (10)
1. a kind of piezoelectricity active damper based on cantilever beam, which is characterized in that including supporting module, cantilever beam and control mould
Block；The cantilever beam is set in the supporting module, and the control module is for effectively inhibiting the cantilever vibration of beam, institute
It states supporting module and is used to support the entire vibration absorber；
The supporting module includes pedestal and support arm, and the support arm is arranged at the top of the pedestal；The cantilever beam
First end be fixed on the support arm；
The control module includes controller, piezoelectric actuator and piezoelectric transducer, and the controller is set to the support arm
On, the piezoelectric actuator is set to the second end upper surface of the cantilever beam, and the piezoelectric transducer is set to the cantilever
The second end lower surface of beam；The piezoelectric actuator and the piezoelectric transducer are electrically connected by the controller and extraneous power supply
It connects.
2. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that further include support
Damping modules are used to support the cantilever beam and slow down the cantilever vibration of beam.
3. a kind of piezoelectricity active damper based on cantilever beam as claimed in claim 2, which is characterized in that the support subtracts
Module of shaking includes support column, sleeve and elastic parts；The sleeve is socketed on the first end of the support column, the sleeve and institute
The first end end face for stating support column forms cavity, is provided with elastic parts in the cavity；The second end of the support column is fixed
In on the pedestal.
4. a kind of piezoelectricity active damper based on cantilever beam as claimed in claim 3, which is characterized in that the elasticity group
The bottom of part is connect with the first end end face of the support column.
5. a kind of piezoelectricity active damper based on cantilever beam as claimed in claim 3, which is characterized in that the elasticity group
Part is set as three springs.
6. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that the piezoelectricity is made
Piezoelectric patches in dynamic device is set as PVDF piezopolymer.
7. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that the piezoelectricity passes
Piezoelectric patches in sensor is set as PZT piezoelectric ceramic piece.
8. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that the support arm
It is arranged to be welded to connect on the pedestal.
9. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that the cantilever beam
It is fixed by bolts on the side wall of the support arm.
10. a kind of piezoelectricity active damper based on cantilever beam as described in claim 1, which is characterized in that the control
Device is screwed on the support arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156759.9U CN208535074U (en) | 2018-07-20 | 2018-07-20 | A kind of piezoelectricity active damper based on cantilever beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821156759.9U CN208535074U (en) | 2018-07-20 | 2018-07-20 | A kind of piezoelectricity active damper based on cantilever beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208535074U true CN208535074U (en) | 2019-02-22 |
Family
ID=65385354
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821156759.9U Expired - Fee Related CN208535074U (en) | 2018-07-20 | 2018-07-20 | A kind of piezoelectricity active damper based on cantilever beam |
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| CN (1) | CN208535074U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662077A (en) * | 2018-07-20 | 2018-10-16 | 上海理工大学 | A kind of piezoelectricity active damper based on cantilever beam |
| CN109681969A (en) * | 2019-02-27 | 2019-04-26 | 佛山市顺德区美的电子科技有限公司 | Compressor vibration insulation structure, air conditioner and its control method |
-
2018
- 2018-07-20 CN CN201821156759.9U patent/CN208535074U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662077A (en) * | 2018-07-20 | 2018-10-16 | 上海理工大学 | A kind of piezoelectricity active damper based on cantilever beam |
| CN108662077B (en) * | 2018-07-20 | 2023-08-29 | 上海理工大学 | Piezoelectric active vibration damper based on cantilever beam |
| CN109681969A (en) * | 2019-02-27 | 2019-04-26 | 佛山市顺德区美的电子科技有限公司 | Compressor vibration insulation structure, air conditioner and its control method |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 Termination date: 20210720 |
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| CF01 | Termination of patent right due to non-payment of annual fee |