CN208597036U - A kind of multi-direction piezoelectric generating device of impact type - Google Patents
A kind of multi-direction piezoelectric generating device of impact type Download PDFInfo
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- CN208597036U CN208597036U CN201820850480.4U CN201820850480U CN208597036U CN 208597036 U CN208597036 U CN 208597036U CN 201820850480 U CN201820850480 U CN 201820850480U CN 208597036 U CN208597036 U CN 208597036U
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Abstract
The utility model discloses a kind of multi-direction piezoelectric generating device of impact type, including frame, flexible hinge, piezoelectric beam, the mass block for being used to support and installing.Wherein, frame is connected by flexible hinge with piezoelectric beam, and adj acent piezoelectric beam is connected with each other by flexible hinge, and mass block is located among each piezoelectric beam and can freely roll.The piezoelectric beam is made of beryllium-bronze flexible substrates and PVDF piezoelectric membrane.This piezoelectric generating device can in sensitive external environment any direction vibration, under the impact forces of mass block, the energy converting between mechanical for realizing piezoelectric generating device solves the existing piezoelectricity oscillating generating set defect of collection less than vibrational energy under the excitation of certain direction external environments.
Description
Technical field
The utility model relates to new energies and electronic technology field, send out more particularly to a kind of multi-direction piezoelectricity of impact type
Electric installation.
Background technique
In recent years, with the high speed development of social economy, the demand to the energy increasingly increases severely, environmental pollution and energy shortage
As puzzlement countries in the world a common difficulty, for this purpose, various countries scientific worker constantly carry out new energy searching and
It explores, such as solar energy, wind energy, wave energy etc..Vibration is as the common phenomenon in daily life, due to its energy with higher
Metric density, potential energy value have caused the concern of more and more researchers.Currently, for realizing the dress of vibrating power-generation
Setting mainly has piezoelectric type, electromagnetic type and three kinds electrostatic.Piezoelectric type vibration power generator is simple with its structure, does not generate heat, without electricity
Magnetic disturbance and be easy to many advantages, such as being miniaturized and become current research hotspot.It is theoretical for piezoelectric type vibration power generator
The service life of its upper each component that composition vibration generating device is only dependent upon for electric life, clean and environmental protection are a kind of typical " green
Color " energy technology.
Based on this, occur various piezoelectric type vibration power generator at present, as cantilever beam structure, Cymbal are tied
Structure stacks shape structure etc..The present Research of piezoelectric type vibration generation technology is made a general survey of, above-mentioned vibration generating device is mainly folk prescription
To, single resonant frequency, use occasion is very strong to the selectivity of vibration environment, there are the vibration in various directions and vibration frequencies
In the environment of rate changes in a certain range, the generating capacity of above-mentioned piezoelectricity oscillating generating set will be very limited, limits it
Popular popularization and use.In view of vibrational energy resource abundant in external environment and the randomness of vibration source vibration processes, such as
What realizes that the multidirectional power generation of piezoelectricity oscillating generating set will be one side highly studied of piezo-electric generating technical field
To.
Utility model content
To solve the above problems, the utility model provides a kind of multi-direction piezoelectric generating device of impact type, this
Utility model device the vibration of any direction can realize piezoelectricity under the impact forces of mass block in sensitive external environment
The energy converting between mechanical of vibration generating device solves existing piezoelectricity oscillating generating set under the excitation of certain direction external environments
The defect less than vibrational energy is collected, for this purpose, the utility model provides a kind of multi-direction piezoelectric generating device of impact type,
Including frame, flexible hinge, piezoelectric beam and the mass block for being used to support and installing, the frame is interior, and there are four piezoelectric beams, described
Frame is connected by flexible hinge with piezoelectric beam, and adj acent piezoelectric beam is connected with each other by flexible hinge, and the mass block is located at each
A piezoelectric beam forms among structure and freely rolls and impact to piezoelectric beam.
Further improvement of the utility model, the piezoelectric beam are made of beryllium-bronze flexible substrates and PVDF piezoelectric membrane,
The utility model piezoelectric beam mainly uses beryllium-bronze flexible substrates and PVDF piezoelectric membrane to be made, to realize elastic bending deflection.
Further improvement of the utility model, the piezoelectric beam by after electrical series or electrical parallel with subsequent charge
Control circuit connection, the utility model series connection and parallel circuit can be used with specific reference to actual needs.
Further improvement of the utility model, the utility model frame are cubic shaped, and frame mainly uses cube
Shape.
Further improvement of the utility model, the quantity of the utility model flexible hinge are 8, and hinge quantity is generally 8
It is a.
Further improvement of the utility model, the utility model flexible hinge are positive round flexible hinge, and using elasticity gold
Belong to material production.
Further improvement of the utility model, the utility model mass block are spherical shape, and mass block mainly uses spherical junctions
Structure.
A kind of multi-direction piezoelectric generating device of impact type of the utility model, including be used to support and install frame, flexibility
Hinge, piezoelectric beam, mass block.Wherein, frame is connected by flexible hinge with piezoelectric beam, adj acent piezoelectric beam pass through flexible hinge that
This is connected, and mass block is located among each piezoelectric beam and can freely roll.The piezoelectric beam by beryllium-bronze flexible substrates and
PVDF piezoelectric membrane composition.This piezoelectric generating device can in sensitive external environment any direction vibration, in rushing for mass block
It hits under active force, realizes the energy converting between mechanical of piezoelectric generating device, solve existing piezoelectricity oscillating generating set in certain sides
The defect less than vibrational energy is outwardly collected under environmental excitation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model piezoelectric beam.
Specific component is as follows:
1, frame；2, flexible hinge；3, piezoelectric beam；31, beryllium-bronze flexible substrates；32, PVDF piezoelectric membrane；4, quality
Block.
Specific embodiment
The utility model is described in further detail with specific embodiment with reference to the accompanying drawing:
The utility model provides a kind of multi-direction piezoelectric generating device of impact type, and utility model device can be sensitive extraneous
The vibration of any direction in environment realizes that the electromechanical energy of piezoelectricity oscillating generating set turns under the impact forces of mass block
It changes, solves the existing piezoelectricity oscillating generating set defect of collection less than vibrational energy under the excitation of certain direction external environments.
Referring to figs. 1 and 2, the utility model provides a kind of multi-direction piezoelectric generating device of impact type, including is used for
The frame 1 of support and installation, flexible hinge 2, piezoelectric beam 3, mass block 4, are introduced separately below.
Frame 1 is connected by flexible hinge 2 with piezoelectric beam 3, and adj acent piezoelectric beam 3 is connected with each other by flexible hinge 2, quality
Block 4 is located among each piezoelectric beam 3 and can freely roll.The piezoelectric beam 3 is by beryllium-bronze flexible substrates 31 and PVDF piezoelectricity
Film 32 forms.The multiple piezoelectric beam 3 can be by connecting after electrical series or electrical parallel with subsequent charge control circuit.
The frame 1 is cubic shaped.The quantity of the flexible hinge 2 is 8.The flexible hinge 2 is positive round flexible hinge, and
It is made of elastic metallic material.The mass block 4 is spherical shape.
The present embodiment at work, under the effect of ambient vibration in any direction, the multi-direction piezoelectric generating device of impact type
Forced vibration will be generated.Wherein, flexible hinge 2 can be considered elastic element, and frame 1 and piezoelectric beam 3 can be considered rigid body, therefore impact type
Multi-direction piezoelectric generating device is more body vibrational systems, under the effect of extraneous ambient vibration, it is easier to generate biggish amplitude.With
This simultaneously, mass block 4 is under ambient vibration effect, it will generates forced vibration, impact by mass block 4 along corresponding direction
Power effect, piezoelectric beam 3 can generate corresponding bending deformation, realize the conversion of mechanical vibrational energy to electric energy.Obviously, no matter environment shakes
How dynamic direction changes, and mass block 4 will all generate forced vibration namely piezoelectric generating device to any side along corresponding direction
To ambient vibration be all it is sensitive, finally can all cause piezoelectric generating device realize energy converting between mechanical.
In conclusion the utility model proposes a kind of multi-direction piezoelectric generating device of impact type, can be in sensitive environment
The vibration of any direction of vibration vibration source, frame 1, flexible hinge 2, piezoelectric beam 3, mass block 4 collective effect under, realize machine
For tool vibrational energy to the conversion of electric energy, apparatus structure is simple, at low cost, practical.
The above descriptions are merely preferred embodiments of the present invention, is not to make any other to the utility model
The limitation of form, and according to any modification or equivalent variations made by the technical essence of the utility model, it is practical new to still fall within this
Type range claimed.
Claims (7)
1. a kind of multi-direction piezoelectric generating device of impact type, including the frame (1), flexible hinge (2), pressure for being used to support and installing
Electric beam (3) and mass block (4), it is characterised in that: there are four piezoelectric beam (3) in the frame (1), the frame (1) passes through soft
Property hinge (2) be connected with piezoelectric beam (3), adj acent piezoelectric beam (3) is connected with each other by flexible hinge (2), and mutually perpendicular shape
State, the mass block (4) are located at each piezoelectric beam (3) and are formed among structure and freely roll and impact to piezoelectric beam (3).
2. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the piezoelectric beam
(3) it is made of beryllium-bronze flexible substrates (31) and PVDF piezoelectric membrane (32).
3. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the piezoelectric beam
(3) by being connect after electrical series or electrical parallel with subsequent charge control circuit.
4. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the frame (1)
For cubic shaped.
5. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the flexible hinge
(2) quantity is 8.
6. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the flexible hinge
It (2) is positive round flexible hinge, the positive round flexible hinge material is elastic metallic material.
7. the multi-direction piezoelectric generating device of a kind of impact type according to claim 1, it is characterised in that: the mass block
It (4) is spherical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820850480.4U CN208597036U (en) | 2018-06-04 | 2018-06-04 | A kind of multi-direction piezoelectric generating device of impact type |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820850480.4U CN208597036U (en) | 2018-06-04 | 2018-06-04 | A kind of multi-direction piezoelectric generating device of impact type |
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| CN208597036U true CN208597036U (en) | 2019-03-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400723A (en) * | 2018-06-04 | 2018-08-14 | 金陵科技学院 | A kind of multi-direction piezoelectric generating device of impact type |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400723A (en) * | 2018-06-04 | 2018-08-14 | 金陵科技学院 | A kind of multi-direction piezoelectric generating device of impact type |
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