CN208836025U - A kind of multi-direction piezoelectric generating device of spherical shape - Google Patents
A kind of multi-direction piezoelectric generating device of spherical shape Download PDFInfo
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- CN208836025U CN208836025U CN201820850452.2U CN201820850452U CN208836025U CN 208836025 U CN208836025 U CN 208836025U CN 201820850452 U CN201820850452 U CN 201820850452U CN 208836025 U CN208836025 U CN 208836025U
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- spherical shape
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Abstract
The utility model discloses a kind of multi-direction piezoelectric generating device of spherical shape, including multiple identical mass blocks and multiple identical piezoelectric beams.It is connected between adjacent mass block each other by piezoelectric beam；The piezoelectric beam is made of outside P VDF piezoelectric membrane, beryllium-bronze flexible substrates and inside PVDF piezoelectric membrane；Multiple grooves are opened up on the quality is fast, are realized in the beryllium-bronze flexible substrates insertion groove in piezoelectric beam and are connected with mass block.This device can in sensitive external environment any direction ambient vibration, and then the energy converting between mechanical of realization device solves existing piezoelectricity oscillating generating set and collects defect 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, more particularly to a kind of multi-direction piezo-electric generating of spherical shape
Device.
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 a common difficulty of puzzlement countries in the world, and therefrom caused by environmental degradation and energy crisis gradually start to influence society
It can economic development and people's daily life.Under the pressure of this pressure, various countries scientific worker has started to find and develop new energy
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.Based on this, occur at present various
Piezoelectric type vibration power generator, such as cantilever beam structure, Cymbal structure, stack shape structure.It generates electricity and fills for piezoelectric type vibration
It sets, theoretically the service life of its each component that composition vibration generating device is only dependent upon for electric life, clean and environmental protection is a kind of allusion quotation
" green " energy technology of type.
The present Research of piezoelectric type vibration generation technology is made a general survey of, above-mentioned vibration generating device is mainly one direction, single resonance
Frequency, use occasion is very strong to the selectivity of vibration environment, there are the vibration in various directions and vibration frequency is certain
In range in the environment of variation, the generating capacity of above-mentioned piezoelectricity oscillating generating set will be very limited, and it is popular to limit its
It promotes the use of.In view of vibrational energy resource abundant in external environment and the randomness of vibration source vibration processes, pressure how is realized
The multidirectional power generation of electric power generator will be one direction highly studied of piezo-electric generating technical field.
Utility model content
To solve the above problems, the utility model provides a kind of multi-direction piezoelectric generating device of spherical shape, this reality
Effect of vibration in external environment is converted to the bending vibration of piezoelectric beam in device with new device, and then realizes power generation, together
When, the special spherical structure of piezoelectric generating device is easier the vibration in sensitive different directions ambient vibration source, and it is easy to use,
Scalability is strong, for this purpose, the utility model provides a kind of multi-direction piezoelectric generating device of spherical shape, including at least six phase
With mass block and 6 identical piezoelectric beams, be connected between adjacent mass block each other by piezoelectric beam and spherical shape be integrally formed,
The piezoelectric beam is made of outside P VDF piezoelectric membrane, beryllium-bronze flexible substrates and inside PVDF piezoelectric membrane, the quality
At least two groove is opened up on block, is realized in the beryllium-bronze flexible substrates insertion groove in the piezoelectric beam and is connected with mass block.
Further improvement of the utility model, the quantity of the mass block are 10；The quantity of the piezoelectric beam is 20,
The above are the quantity that the application often uses mass block and piezoelectric beam in case.
Further improvement of the utility model, the outside P VDF piezoelectric membrane and inside PVDF piezoelectric membrane are rectangle shape
Shape, and through-thickness polarizes；The beryllium-bronze flexible substrates are rectangular shape, and piezoelectric membrane mainly uses rectangle.
Further improvement of the utility model, the mass block be cubic shaped or spherical shape, and using density compared with
Big metal material production.
Further improvement of the utility model, the quantity of the mass block and the quantity of piezoelectric beam can be distinguished as needed
It is a and N number of to increase to M, and M >=10, N >=20, quantity, which can according to need, to be determined.
Further improvement of the utility model, the outside P VDF piezoelectric membrane and inside PVDF piezoelectric membrane pass through electricity
It is connect after series connection or electrical parallel with subsequent charge control circuit, tool can be used in the utility model series connection and parallel circuit
Body is according to actual needs.
A kind of multi-direction piezoelectric generating device of spherical shape of the utility model, including multiple identical mass blocks and multiple identical
Piezoelectric beam.It is connected between adjacent mass block each other by piezoelectric beam；The piezoelectric beam is by outside P VDF piezoelectric membrane, beryllium
Bronze flexible substrates and inside PVDF piezoelectric membrane composition；Multiple grooves, the beryllium-bronze in piezoelectric beam are opened up on the quality is fast
It realizes in flexible substrates insertion groove and is connected with mass block.This device can in sensitive external environment any direction environment vibration
It is dynamic, and then the energy converting between mechanical of realization device, it solves existing piezoelectricity oscillating generating set and swashs in certain direction external environments
Encourage the lower defect collected less than vibrational energy.
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 groove of mass block in the utility model；
Fig. 3 is the structural schematic diagram of piezoelectric beam in the utility model；
Specific component is as follows:
1, mass block；11, groove；2, piezoelectric beam；21, outside P VDF piezoelectric membrane；22, beryllium-bronze flexible substrates； 23,
Inside PVDF piezoelectric membrane.
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 spherical shape, and utility model device will be in external environment
Effect of vibration is converted to the bending vibration of piezoelectric beam in device, and then realizes power generation, meanwhile, the special spherical shape of piezoelectric generating device
Structure is easier the vibration in sensitive different directions ambient vibration source, and easy to use, scalability is strong.
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, the utility model provides a kind of multi-direction piezoelectric generating device of spherical shape, including more
A identical mass block 1 and multiple identical piezoelectric beams 2, are introduced separately below.
It is connected between adjacent mass block 1 each other by piezoelectric beam 2；Cooperate shown in Fig. 2, the piezoelectric beam in the present embodiment
2 are made of outside P VDF piezoelectric membrane 21, beryllium-bronze flexible substrates 22 and inside PVDF piezoelectric membrane 23, wherein outside
PVDF piezoelectric membrane 21 and inside PVDF piezoelectric membrane 23 are attached at the outer surface of beryllium-bronze flexible substrates 22 and interior in the same direction respectively
Surface, to convert electric energy for mechanical energy by direct piezoelectric effect；Cooperate shown in Fig. 1, is opened on the mass block 1 in the present embodiment
If multiple grooves 11, realizes in the insertion groove 11 of beryllium-bronze flexible substrates 22 in piezoelectric beam 2 and be connected with mass block 1.It is described
The quantity of mass block 1 is 10；The quantity of the piezoelectric beam 2 is 20.The outside P VDF piezoelectric membrane 21 and inside PVDF
Piezoelectric membrane 23 is rectangular shape, and through-thickness polarizes；The beryllium-bronze flexible substrates 22 are rectangular shape.The quality
Block 1 is cubic shaped or spherical shape, and using the biggish metal material production of density.The quantity and pressure of the mass block 1
The quantity of electric beam 2 can be increased separately as needed to M and N number of, and M >=10, N >=20.The size of the mass block 1 can be with
It is not identical.The size of the piezoelectric beam 2 can not be identical.The outside P VDF piezoelectric membrane 21 and inside PVDF piezoelectric membrane 23
By being connect after electrical series or electrical parallel with subsequent charge control circuit.
At work, piezoelectric generating device is placed in extraneous natural vibration environment for the present embodiment, and the vibration in environment is made
Bending deformation is generated with the piezoelectric beam 2 that will lead in device, so that being pasted onto the outside in beryllium-bronze flexible substrates 22
PVDF piezoelectric membrane 21 and inside PVDF piezoelectric membrane 23 generate the variation of stress and strain, are imitated according to the positive piezoelectricity of piezoelectric material
It answers, generates positive and negative opposite charge on the positive and negative electrode face of PVDF piezoelectric membrane 21 and inside PVDF piezoelectric membrane 23 on the outside,
It realizes by the conversion of mechanical energy to electric energy, since the flexibility of PVDF piezoelectric membrane is good, piezoelectric generating device can be with
Biggish deformation is generated, and piezoelectric generating device is connected to each other and is formed by multiple mass blocks 1 and multiple piezoelectric beams 2, is more bodies
Vibrational system, under the effect of extraneous ambient vibration, it is easier to generate biggish amplitude, it is notable that piezoelectric generating device
Special spherical structure is easier the vibration in sensitive different directions ambient vibration source.Further, since can in piezoelectric generating device
Greater number of mass block 1 and piezoelectric beam 2 is arranged, to improve the generated energy of piezoelectric generating device.
In conclusion the utility model proposes a kind of multi-direction piezoelectric generating device of spherical shape, biggish deformation can be generated
And in sensitive external environment any direction ambient vibration, and external environment effect of vibration is converted into piezoelectric beam 2 in device
Bending vibration can effectively improve the generated energy of piezoelectric generating device by the quantity of extension mass block 1 and the quantity of piezoelectric beam 2,
And long service life, enhance the practicality.
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 (6)
1. a kind of multi-direction piezoelectric generating device of spherical shape, including the identical mass block of at least six (1) and 6 identical piezoelectric beams
(2), it is characterised in that: it is connected between adjacent mass block (1) each other by piezoelectric beam (2) and spherical shape is integrally formed, the pressure
Electric beam (2) is made of outside P VDF piezoelectric membrane (21), beryllium-bronze flexible substrates (22) and inside PVDF piezoelectric membrane (23),
It is opened up at least two groove (11) on the mass block (1), beryllium-bronze flexible substrates (22) insertion in the piezoelectric beam (2) is recessed
It realizes in slot (11) and is connected with mass block (1).
2. a kind of multi-direction piezoelectric generating device of spherical shape according to claim 1, it is characterised in that: the mass block (1)
Quantity be 10；The quantity of the piezoelectric beam (2) is 20.
3. a kind of multi-direction piezoelectric generating device of spherical shape according to claim 1, it is characterised in that: the outside P VDF pressure
Conductive film (21) and inside PVDF piezoelectric membrane (23) are rectangular shape, and through-thickness polarizes；The beryllium-bronze elasticity base
Piece (22) is rectangular shape.
4. a kind of multi-direction piezoelectric generating device of spherical shape according to claim 1, it is characterised in that: the mass block (1)
For cubic shaped or spherical shape.
5. a kind of multi-direction piezoelectric generating device of spherical shape according to claim 1, it is characterised in that: the mass block (1)
Quantity and the quantity of piezoelectric beam (2) increased separately as needed to M and N number of, and M >=10, N >=20.
6. a kind of multi-direction piezoelectric generating device of spherical shape according to claim 1, it is characterised in that: the outside P VDF pressure
Conductive film (21) and inside PVDF piezoelectric membrane (23) by after electrical series or electrical parallel with subsequent charge control circuit
Connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820850452.2U CN208836025U (en) | 2018-06-04 | 2018-06-04 | A kind of multi-direction piezoelectric generating device of spherical shape |
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| CN201820850452.2U CN208836025U (en) | 2018-06-04 | 2018-06-04 | A kind of multi-direction piezoelectric generating device of spherical shape |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512461A (en) * | 2018-06-04 | 2018-09-07 | 金陵科技学院 | A kind of multi-direction piezoelectric generating device of spherical shape |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108512461A (en) * | 2018-06-04 | 2018-09-07 | 金陵科技学院 | A kind of multi-direction piezoelectric generating device of spherical shape |
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