CN110427678A - A kind of more oscillator space type pick-ups prisoner can experimental provision and its application method - Google Patents
A kind of more oscillator space type pick-ups prisoner can experimental provision and its application method Download PDFInfo
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- 229910052802 copper Inorganic materials 0.000 claims description 8
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- 239000000758 substrate Substances 0.000 claims description 8
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- 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
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
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Abstract
The invention discloses a kind of more oscillator space type pick-up prisoner energy experimental provisions and its application methods, comprising: system is executed, including pick-up device and for providing the vibration device of vibrational energy for the pick-up device；Control system is connect with the vibrator inside the vibration device, including frequency controller and vibrator protective switch, the work safety for frequency control and guarantee vibrator to the vibrator；Analysis system is connect with the pick-up device, and the electric signal for converting pick-up device is detected and analyzed processing.The present invention is on the basis of increasing oscillator quantity, optimization piezoelectric vibrator arrangement form increases device pick-up direction, guarantee that the multi-direction resonant piezo-electhc of device improves device power generation density simultaneously, to solve the problems, such as that effective collection of external environment vibrational energy provides a kind of new method and thinking, and then the piezo technology even development of power technology and device are promoted in certain degree.
Description
Technical field
The invention belongs to the technical fields of piezo technology more particularly to a kind of more oscillator space type pick-up prisoners can experimental provision
And its application method.
Background technique
Recently as industrial expansion, status real time monitor is carried out to large industry equipment using wireless sensor network
Become development trend with system maintenance.Although being passed along with the rapid development of memory technology, microelectric technique and the communication technology
The development of sensor and interaction node network is maked rapid progress, but the development of power technology is but very slow, can no longer meet nothing
Higher demand of the line sensor to power supply energy density, volume and service life equal-specification.In addition traditional chemical cell energy supply is deposited
Volume it is big, be unfavorable for integrating, restricted lifetime and manufacture and use process will cause the problems such as environmental pollution, compel to be essential
Want the micro- energy of green of sustainable power supply.The renewable energy such as solar energy, wind energy, ambient vibration energy are more and more closed
Note, the vibrational energy being especially widely present in environment are not influenced by ambient temperature and illumination length, and energy harvesting is continual and steady,
It is the potential alternative energy source of the traditional chemicals power supply such as lithium battery, ambient vibration can be mostly used at present is generated electricity based on piezoelectric type cantilever beam
The method of oscillator carries out energy harvesting, and this method electrification structure is simple, is easy to be miniaturized and integrate, and energy transition density is big,
Application prospect is very wide.Therefore, in recent years, piezoelectric type cantilever beam power generation oscillator how to be utilized to obtain vibrational energy from environment
Amount is subject of research for provide stable power supply for sensing network.Existing piezoelectric type cantilever beam power generation oscillator vibration energy is received
Collection experimental provision is mostly single direction Piezoelectric Cantilever Beams, and structure itself cannot pick up outer with extraneous vibration environments match
Boundary vibrational energy direction is constrained by piezoelectric vibrator itself direction, it cannot be guaranteed that multi-direction resonant piezo-electhc, causes the vibration in other directions
Energy is wasted, and is hindered vibration piezoelectricity effectively to collect, is led to problems such as power supply energy density low, so that piezoelectricity skill
Art even power technology developmental retardation.
Therefore, it is necessary to a kind of experimental provision for preferably carrying out collection of energy for vibration in environment be designed, to solve
The above problem.
Summary of the invention
Based on the above the deficiencies in the prior art, technical problem solved by the invention is to provide a kind of more oscillator space types
Pick-up prisoner can experimental provision and its application method, vibrational energy and Efficient Conversion, reduction can be carried out in multi-direction pickups environment
Power generator generating efficiency and power supply energy density can be improved in environmental energy waste.
In order to solve the above-mentioned technical problem, the present invention is achieved through the following technical solutions: the present invention provides one kind and shakes more
Subspace type pick-up prisoner's energy experimental provision, comprising:
Execution system, including pick-up device and for providing the vibration device of vibrational energy for the pick-up device；
Control system is connect with the vibrator inside the vibration device, including frequency controller and vibrator protection are opened
It closes, the work safety for frequency control and guarantee vibrator to the vibrator；
Analysis system is connect with the pick-up device, and the electric signal for converting pick-up device is detected and analyzed
Processing.
Optionally, the pick-up device includes the fixed bracket of piezoelectric vibrator and connect with the fixed bracket of the piezoelectric vibrator
The piezoelectric vibrator of multiple directions, the piezoelectric vibrator include copper sheet substrate and piezoelectric ceramics, one end of the piezoelectric vibrator and institute
It states the fixed bracket of piezoelectric vibrator to fix, the free end of the piezoelectric vibrator is configured with mass block；
The piezoelectric vibrator is connected by a plurality of leads with the analysis system.
Further, the lead is divided into positive and negative polarities, and positive wire is connected on the piezoelectric ceramics of the piezoelectric vibrator,
Negative wire is connected on the copper sheet substrate of piezoelectric vibrator.
Optionally, the analysis system includes the electrically in parallel experimental plate of multiterminal, rectification circuit, oscillograph, multimeter and meter
The positive and negative lead wires of the piezoelectric vibrator of calculation machine, the electrically in parallel experimental plate of the multiterminal and different directions are connected in parallel respectively, by more
The electric signal in parallel of electrically in parallel experimental plate is held to be rectified by rectification circuit, the oscillograph is with multimeter to the telecommunications in parallel
Number carry out Preliminary detection, finally enter in computer and be analyzed and processed.
Further, the execution system further includes the vibration damping device below the vibration device, the vibration damping device
It is made of multiple slow vibration rubber pads and is connected by slow vibration rubber pad fixing screws and the earth.
The present invention also provides a kind of above-mentioned more oscillator space type pick-ups prisoner can experimental provision application method, including it is following
Step:
S10: configuring multi-direction pick-up piezoelectric vibrator, and the pick-up device of execution system is arranged, in the fixed bracket of piezoelectric vibrator
The piezoelectric vibrator of upper several different directions of fixation, and the mass block of identical quantity is configured in the free end of the piezoelectric vibrator, it will
The output end of piezoelectric vibrator and the electrically in parallel experimental plate of the multiterminal of analysis system are connected；
S20: the frequency controller of vibrator and control system is arranged in the vibration device of configuration execution system, vibrator is protected
Shield switch is connected；
S30: three Z-direction piezoelectric vibrators of lateral arrangement on the fixed bracket of piezoelectric vibrator motivate pick-up by vibration device
Device vibrates pick-up therewith, and mechanical energy is converted electric energy by pick-up device, and the rectification circuit of electric signal system by analysis carries out
Rectification, and Preliminary detection is carried out to piezoelectric signal by oscillograph and multimeter, finally enter progress data analysis in computer
Processing；
S40: being longitudinally arranged three X to piezoelectric vibrator and three Y-direction piezoelectric vibrators on the fixed bracket of piezoelectric vibrator,
Multidirectional pick-up device is collectively formed with three Z-direction piezoelectric vibrators, so that frequency controller shakes in identical adjustable range
Dynamic frequency control so that multidirectional pick-up device picks up extraneous vibration under the vibrational excitation and carries out piezoelectricity, and then passes through analysis system
System carries out piezo data statistics and analysis；
The detection data of S50: comparison step S30 and step S40 experiment piezoelectric signal twice is analyzed.
In addition, in step s 30, starting experimental provision, vibrator protective switch closure, by frequency controller certain
Vibration frequency range in be adjusted, vibrator start in the vibration frequency range occur different frequency vibration, pass through
Vibration device excitation pick-up device vibrates pick-up therewith.
By upper, more oscillator space type pick-ups prisoner's energy experimental provision of the invention is on the basis of increasing oscillator quantity, optimization
Piezoelectric vibrator arrangement form increases device pick-up direction, guarantee the multi-direction resonant piezo-electhc of device and meanwhile improve device power generation it is close
Degree, to solve the problems, such as that effective collection of external environment vibrational energy provides a kind of new method and thinking, and then in certain journey
The piezo technology even development of power technology and device are promoted on degree.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects, features and advantages of the invention can
It is clearer and more comprehensible, below in conjunction with preferred embodiment, and cooperates attached drawing, detailed description are as follows.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, the attached drawing to embodiment is simply situated between below
It continues.
Fig. 1 is the system block diagram of more oscillator space type pick-ups prisoner's energy experimental provision of the preferred embodiment of the present invention；
Fig. 2 is the structural schematic diagram of more oscillator space type pick-ups prisoner's energy experimental provision of the invention；
Fig. 3 is the structural schematic diagram of the multidirectional pick-up device of more oscillator space type pick-ups prisoner's energy experimental provision of the invention；
Fig. 4 is the structural schematic diagram of the unidirectional pick-up device of more oscillator space type pick-ups prisoner's energy experimental provision of the invention；
Fig. 5 is the structural schematic diagram of the piezoelectric vibrator of more oscillator space type pick-ups prisoner's energy experimental provision of the invention.
In figure, 1-vibrator protective switch, 2-frequency controllers, 3-vibration devices, 4-vibration damping devices, 5-pick-ups
Device, the electrically in parallel experimental plate of 6-multiterminal, 7-rectification circuits, 8-oscillographs, 9-multimeters, 10-computers, 11-controls
System, 12-execute system, 13-analysis systems, 14-slow vibration rubber pad fixing screws, 15-slow vibration rubber pads, 16-vibrations
Device housing, 17-X shake to piezoelectric vibrator, 18-Z-direction piezoelectric vibrators, the fixed bracket of 19-piezoelectric vibrators, 20-Y-direction piezoelectricity
Son, 21-pick-up device fixture nuts, 22-vibrators, 23-vibration device fixing screws, 24-vibrator fixing screws,
25-Y-direction piezoelectric vibrator positive wire I, 26-Y-direction piezoelectric vibrator negative wire I, 27-Y-direction piezoelectric vibrator positive wire II,
28-Y-direction piezoelectric vibrator negative wire II, 29-Y-direction piezoelectric vibrator positive wire III, 30-Y-direction piezoelectric vibrator negative wires
III, 31-Z-direction piezoelectric vibrator positive wire I, 32-Z-direction piezoelectric vibrator negative wire I, 33-Z-direction piezoelectric vibrator positive wires
II, 34-Z-direction piezoelectric vibrator negative wire II, 35-Z-direction piezoelectric vibrator positive wire III, 36-Z-direction piezoelectric vibrator cathode draw
Line III, 37-X draw to piezoelectric vibrator negative wire I, 39-X to piezoelectric vibrator anode to piezoelectric vibrator positive wire I, 38-X
Line II, 40-X are to piezoelectric vibrator negative wire II, and 41-X are to piezoelectric vibrator positive wire III, and 42-X are to piezoelectric vibrator cathode
Lead III, 43-mass blocks, 44-piezoelectric ceramics, 45-copper sheet substrates.
Specific embodiment
The embodiment of the invention will now be described in detail with reference to the accompanying drawings, and as part of this specification passes through
Embodiment illustrates the principle of the present invention, and other aspects of the present invention, feature and its advantage will become by the detailed description
It is very clear.In the attached drawing of institute's reference, the same or similar component is indicated using identical drawing reference numeral in different figures.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute is only used in the embodiment of the present invention
In explaining in relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if should
When particular pose changes, then directionality instruction also correspondingly changes correspondingly.
As shown in Figs. 1-5, more oscillator space type pick-up prisoner energy experimental provisions provided by the invention include control system 11, are held
Row system 12 and analysis system 13, wherein control system 11 includes vibrator protective switch 1 and frequency controller 2；Execute system
System 12 includes vibration device 3, vibration damping device 4 and pick-up device 5；Analysis system 13 includes the electrically in parallel experimental plate 6 of multiterminal, rectified current
Road 7, oscillograph 8, multimeter 9 and computer 10.
Wherein, vibrator 22 is equipped with inside vibration device 3, provides vibrational energy for pick-up device 5, vibrator 22 with it is described
Frequency controller 2 and vibrator protective switch 1 connect, and frequency controller 2 realizes the frequency control to vibrator 22, and vibrator is protected
The safety of the certifiable vibrator 22 of switch 1 work is protected, is equipped with vibration device shell 16, vibration device shell outside vibration device 3
The top of body 16 is connected by pick-up device fixture nut 21 with pick-up device 5, and the bottom of vibration device shell 16 is fixed on slow
On vibrating device 4, vibration device shell 16 is fixed on the top of vibration damping device 4, vibration damping device 4 by vibration device fixing screws 23
It is made of multiple slow vibration rubber pads 15 and is connected by slow vibration rubber pad fixing screws 14 and the earth.Vibrator 22 passes through vibrator
Fixing screws 24 are fixed on inside vibration device shell 16.
The piezoelectric vibrator 17 of pick-up device 5 of the invention equipped with multiple directions, 18,20, the piezoelectric vibrator includes copper sheet
Substrate 45 and piezoelectric ceramics 44, one end of the piezoelectric vibrator and the fixed bracket 19 of piezoelectric vibrator are fixed, and the piezoelectric vibrator is solid
Fixed rack 19 is fixed on the top of the vibration device shell 16, and the free end of the piezoelectric vibrator 17,18,20 is configured with quality
Block 43.It is longitudinally arranged that there are three X to piezoelectric vibrator 17 and three Y-direction piezoelectric vibrators 20, piezoelectricity on the fixed bracket 19 of piezoelectric vibrator
The top lateral arrangement of the fixed bracket 19 of oscillator is there are three Z-direction piezoelectric vibrator 18, and three X are to 17, three Y-direction piezoelectricity of piezoelectric vibrator
Oscillator 20 and three Z-direction piezoelectric vibrators 18 collectively form multidirectional pick-up device 5, and the piezoelectric vibrator 17,18,20 is drawn by a plurality of
Line is connected with the electrically in parallel experimental plate 6 of aforementioned multiterminal, and the lead is divided into positive and negative polarities, and the positive wire includes the vibration of Y-direction piezoelectricity
Sub- positive wire I25, Y-direction piezoelectric vibrator positive wire II27, Y-direction piezoelectric vibrator positive wire III29, Z-direction piezoelectric vibrator is just
Pole lead I31, Z-direction piezoelectric vibrator positive wire II33, Z-direction piezoelectric vibrator positive wire III35, X draw to piezoelectric vibrator anode
Line I37, X are connected to the piezoelectricity pottery of piezoelectric vibrator to piezoelectric vibrator positive wire II39, X to piezoelectric vibrator positive wire III41
On porcelain 44, the negative wire includes Y-direction piezoelectric vibrator negative wire I26, Y-direction piezoelectric vibrator negative wire II28, Y-direction piezoelectricity
Oscillator negative wire III30, Z-direction piezoelectric vibrator negative wire I32, Z-direction piezoelectric vibrator negative wire II34, Z-direction piezoelectric vibrator
Negative wire III36, X are to piezoelectric vibrator negative wire I38, X to piezoelectric vibrator negative wire II40, X to piezoelectric vibrator cathode
Lead III42 is connected on the copper sheet substrate 45 of piezoelectric vibrator, and the electrically in parallel experimental plate 6 of multiterminal makes the positive and negative of different piezoelectric vibrators
Pole lead is connected in parallel respectively, is rectified, is shown by rectification circuit 7 by the electric signal in parallel of the electrically in parallel experimental plate 6 of multiterminal
Wave device 8 carries out Preliminary detection to the electric signal in parallel with multimeter 9, finally enters and is analyzed and processed in computer 10.
As shown in figure 4, for a kind of unidirectional pick-up device contrasted with multidirectional pick-up device provided by the invention, it is identical
, piezoelectric vibrator is connected by a plurality of leads with the electrically in parallel experimental plate 6 of multiterminal, and the lead is divided into positive and negative polarities, the anode
Lead includes Z-direction piezoelectric vibrator positive wire I31, Z-direction piezoelectric vibrator positive wire II33, Z-direction piezoelectric vibrator positive wire
III35 is connected on the piezoelectric ceramics 44 of piezoelectric vibrator 20, and the negative wire includes Z-direction piezoelectric vibrator negative wire
I32, Z-direction piezoelectric vibrator negative wire II34 are connected on the copper sheet substrate 45 of piezoelectric vibrator 20, the electrically in parallel experiment of multiterminal
Plate 6 makes the positive and negative lead wires of different piezoelectric vibrators be connected in parallel respectively, passes through the electric signal in parallel of the electrically in parallel experimental plate 6 of multiterminal
It is rectified by rectification circuit 7, oscillograph 8 carries out Preliminary detection to the electric signal in parallel with multimeter 9, finally enters meter
It is analyzed and processed in calculation machine 10.
More oscillator space type pick-ups prisoner's energy experimental provision of the invention optimizes piezoelectricity on the basis of increasing oscillator quantity
Oscillator arrangement form increases device pick-up direction, guarantees the multi-direction resonant piezo-electhc of device while improving device power generation density,
To solve the problems, such as that effective collection of external environment vibrational energy provides a kind of new method and thinking, and then in the sense that certain
Promote the piezo technology even development of power technology and device.
Using above-mentioned more oscillator space type pick-ups prisoner can experimental provisions application method the following steps are included:
Step 1: configuring multi-direction pick-up piezoelectric vibrator, and the pick-up device 5 of execution system 12 is arranged, solid in piezoelectric vibrator
Fix the piezoelectric vibrator 17 of several different directions on fixed rack 19,18,20, and in the free end of the piezoelectric vibrator 17,18,20
The mass block 43 for configuring identical quantity, by the electrically in parallel experiment of multiterminal of the output end of piezoelectric vibrator 17,18,20 and analysis system 13
Plate 6 is connected.
Step 2: the frequency controller of vibrator 22 and control system 11 is arranged in the vibration device 3 of configuration execution system 12
2, vibrator protective switch 1 is connected.
Step 3: three Z-direction piezoelectric vibrators 18 of lateral arrangement first on the fixed bracket 19 of piezoelectric vibrator, starting experiment dress
It sets, vibrator protective switch 1 is closed, and is adjusted in certain vibration frequency range by frequency controller 2, vibrator 22
Start the vibration that different frequency occurs in the vibration frequency range, motivates pick-up device 5 to vibrate therewith by vibration device and pick up
Mechanical energy is converted electric energy by vibration, pick-up device 5, and the rectification circuit 7 of electric signal system 13 by analysis is rectified, and is passed through
Oscillograph 8 and multimeter 9 carry out Preliminary detection to piezoelectric signal, finally enter and carry out Data Analysis Services in computer 10；Its
It is secondary to be longitudinally arranged three X to piezoelectric vibrator 17 and three Y-direction piezoelectric vibrators 20, with three on the fixed bracket 19 of piezoelectric vibrator
A Z-direction piezoelectric vibrator 18 collectively forms multidirectional pick-up device 5, so that frequency controller 2 shakes in identical adjustable range
Dynamic frequency control, identical, the vibration of different situations occurs for multidirectional pick-up device 5, so that multidirectional pick-up device 5 swashs in the vibration
It encourages lower pickup extraneous vibration and carries out piezoelectricity, and then piezo data statistics and analysis are carried out by analysis system 13；Finally compare two
The detection data of secondary experiment piezoelectric signal is analyzed.
The above is a preferred embodiment of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, it is noted that for those skilled in the art, without departing from the principle of the present invention, may be used also
To make several improvement and variation, these, which improve and change, is also considered as protection scope of the present invention.
Claims (7)
1. a kind of more oscillator space type pick-up prisoner energy experimental provisions characterized by comprising
Execution system (12), including pick-up device (5) and for providing the vibration device of vibrational energy for the pick-up device (5)
(3)；
Control system (11), the vibrator (22) internal with the vibration device (3) are connect, including frequency controller (2) and vibration
Dynamic device protective switch (1), the work safety for frequency control and guarantee vibrator (22) to the vibrator (22)；
Analysis system (13) is connect with the pick-up device (5), for detecting the electric signal that pick-up device (5) convert
It is handled with analysis.
2. more oscillator space type pick-up prisoner energy experimental provisions as described in claim 1, which is characterized in that the pick-up device
It (5) include that piezoelectric vibrator fixed bracket (19) and the piezoelectricity for fixing the multiple directions that bracket (19) are connect with the piezoelectric vibrator shake
Sub (17,18,20), the piezoelectric vibrator (17,18,20) include copper sheet substrate (45) and piezoelectric ceramics (44), the piezoelectricity vibration
The one end of sub (17,18,20) and the piezoelectric vibrator fixed bracket (19) are fixed, the freedom of the piezoelectric vibrator (17,18,20)
End is configured with mass block (43)；
The piezoelectric vibrator (17,18,20) is connected by a plurality of leads with the analysis system (13).
3. more oscillator space type pick-up prisoner energy experimental provisions as claimed in claim 2, which is characterized in that the lead is divided into just
Negative the two poles of the earth, positive wire are connected on the piezoelectric ceramics (44) of the piezoelectric vibrator (17,18,20), and negative wire is connected to pressure
On the copper sheet substrate (45) of electric tachometer indicator (17,18,20).
4. more oscillator space type pick-up prisoner energy experimental provisions as claimed in claim 3, which is characterized in that the analysis system
It (13) include the electrically in parallel experimental plate of multiterminal (6), rectification circuit (7), oscillograph (8), multimeter (9) and computer (10), institute
The positive and negative lead wires for stating the piezoelectric vibrator (17,18,20) of the electrically in parallel experimental plate of multiterminal (6) and different directions are connected in parallel respectively,
It is rectified by the electric signal in parallel of the electrically in parallel experimental plate of multiterminal (6) by rectification circuit (7), the oscillograph (8) and ten thousand
Preliminary detection is carried out to the parallel connection electric signal with table (9), finally enters and is analyzed and processed in computer (10).
5. more oscillator space type pick-up prisoner energy experimental provisions as described in claim 1, which is characterized in that the execution system
It (12) further include the vibration damping device (4) being located at below the vibration device (3), the vibration damping device (4) is by multiple slow vibration rubber pads
(15) it forms and is connected by slow vibration rubber pad fixing screws (14) and the earth.
6. a kind of user using such as more oscillator space type pick-up prisoner energy experimental provisions described in any one of claim 1 to 5
Method, which comprises the following steps:
S10: configuring multi-direction pick-up piezoelectric vibrator, and the pick-up device (5) of execution system (12) is arranged, in the fixed branch of piezoelectric vibrator
The piezoelectric vibrator (17,18,20) of several different directions, and the freedom in the piezoelectric vibrator (17,18,20) are fixed on frame (19)
End configures the mass block (43) of identical quantity, by the output end of piezoelectric vibrator (17,18,20) and the multiterminal of analysis system (13) electricity
Experimental plate (6) in parallel is connected；
S20: the vibration device (3) of configuration execution system (12), the frequency control of setting vibrator (22) and control system (11)
Device (2), vibrator protective switch (1) are connected；
S30: three Z-direction piezoelectric vibrators (18) of lateral arrangement on piezoelectric vibrator fixed bracket (19) are swashed by vibration device (3)
It encourages pick-up device (5) and vibrates pick-up therewith, mechanical energy is converted electric energy by pick-up device (5), electric signal system by analysis
(13) rectification circuit (7) is rectified, and carries out Preliminary detection to piezoelectric signal by oscillograph (8) and multimeter (9), most
Data Analysis Services are carried out in input computer (10) eventually；
S40: three X are longitudinally arranged on piezoelectric vibrator fixed bracket (19) to piezoelectric vibrator (17) and three Y-direction piezoelectricity vibrations
Sub (20), collectively form multidirectional pick-up device (5) with three Z-direction piezoelectric vibrators (18), so that frequency controller (2) is identical
Vibration frequency control is carried out in adjustable range, so that multidirectional pick-up device (5) picks up extraneous vibration progress under the vibrational excitation
Piezoelectricity, and then piezo data statistics and analysis are carried out by analysis system；
The detection data of S50: comparison step S30 and step S40 experiment piezoelectric signal twice is analyzed.
7. method as claimed in claim 6, which is characterized in that in step s 30, start experimental provision, vibrator protection is opened
(1) closure is closed, is adjusted in certain vibration frequency range by frequency controller (2), vibrator (22) starts at this
The vibration that different frequency occurs in vibration frequency range vibrates pick-up by vibration device (3) excitation pick-up device (5) therewith.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112484948A (en) * | 2020-11-05 | 2021-03-12 | 国家能源集团乌海能源有限责任公司 | Piezoelectric trapping test system |
| CN112865600A (en) * | 2020-12-31 | 2021-05-28 | 山西财经大学 | Broadband three-dimensional piezoelectric vibration energy collecting array structure |
| CN112865599A (en) * | 2020-12-31 | 2021-05-28 | 山西财经大学 | Three-dimensional broadband vibration energy acquisition structure based on long thin sheet and rod-shaped combination |
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