CN109113935B - Spherical wind power piezoelectric power generation device - Google Patents
Spherical wind power piezoelectric power generation device Download PDFInfo
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- CN109113935B CN109113935B CN201811145874.0A CN201811145874A CN109113935B CN 109113935 B CN109113935 B CN 109113935B CN 201811145874 A CN201811145874 A CN 201811145874A CN 109113935 B CN109113935 B CN 109113935B
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- piezoelectric
- outer cover
- power generation
- fixedly connected
- generation device
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 230000010287 polarization Effects 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 19
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/709—Piezoelectric means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention provides a spherical wind power piezoelectric power generation device in the technical field of wind power generation, which comprises a fixed rod, wherein the upper part of the fixed rod is rotatably connected with a supporting shaft, one end of the supporting shaft is fixedly connected with a rotary blade, the other end of the supporting shaft is fixedly connected with a rotary sleeve, at least two rotary rods are arranged on the periphery of the rotary sleeve, one outwards-facing side of the rotary rod is provided with a spherical lower outer cover, the upper side of the lower outer cover is connected with a spherical upper outer cover, a piezoelectric mechanism is arranged in a cavity formed by the lower outer cover and the upper outer cover, the left end and the right end of the piezoelectric mechanism are respectively provided with a connecting rod, the connecting rods are supported and arranged in a connecting groove of the lower outer cover, and the piezoelectric mechanism comprises at least one pair of piezoelectric sheets with opposite polarization directions; the invention has simple structure, convenient installation and small occupied area.
Description
Technical Field
The invention belongs to the technical field of wind power generation, and particularly relates to a spherical wind power piezoelectric power generation device.
Background
Along with gradual reduction of natural resources, natural resources are not consumed, energy which can be repeatedly used is continuously researched and developed, and particularly, a device for generating power by wind power is gradually expanded, the piezoelectric power generation realizes conversion from mechanical energy to electric energy by utilizing the positive piezoelectric effect of piezoelectric ceramics, and the piezoelectric power generation device collects the energy vibrated in the environment through piezoelectric materials and converts the energy into electric energy which can replace batteries to supply power for microelectronic products.
In the prior art, the wind power generation device has the advantages of complex structure, large volume, high preparation cost, troublesome installation, large occupied area and difficult large-area popularization.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to overcome the defects in the prior art, and provides the spherical wind power piezoelectric power generation device which solves the technical problems of complex structure and difficult installation in the prior art.
The spherical wind power piezoelectric power generation device comprises a fixed rod and a piezoelectric mechanism, wherein the upper part of the fixed rod is rotatably connected with a supporting shaft, one end of the supporting shaft is fixedly connected with a rotary blade, the other end of the supporting shaft is fixedly connected with a rotary sleeve, at least two rotary rods are arranged on the periphery of the rotary sleeve, one outwards-facing side of the rotary rods is provided with a spherical lower outer cover, the upper side of the lower outer cover is connected with a spherical upper outer cover, the inner wall of the upper outer cover is fixedly connected with one end of the piezoelectric mechanism in the height direction, the left end and the right end of the piezoelectric mechanism are respectively provided with a connecting rod, the connecting rods are supported and arranged in connecting grooves of the lower outer cover, and the piezoelectric mechanism comprises at least one pair of piezoelectric sheets with opposite polarization directions.
The invention is fixedly arranged at places with larger convection wind power such as idle places or valleys and the like through the fixed rods, the natural wind power enables the rotary blades to rotate, the rotation of the rotary blades drives the rotation of the supporting shafts, the rotation of the supporting shafts drives the rotation of the rotating rods, the rotation of the rotating rods drives the rotation of the lower outer cover and the upper outer cover, the rotation of the lower outer cover and the upper outer cover drives the vibration of the piezoelectric sheets, the electrode surface of each piezoelectric sheet 7 is connected with a circuit for energy conversion and storage through a wire, and the piezoelectric sheets 7 are used for energy conversion, namely, the kinetic energy acted on the piezoelectric sheets 7 is converted into electric energy; the invention has simple structure, small whole volume, small occupied area, convenient installation and low preparation cost; the wind power generation device can be applied to wind power generation.
In order to increase the amplitude of the piezoelectric sheet, the piezoelectric mechanism further comprises a substrate and a cross-shaped mass block, piezoelectric assemblies I are respectively arranged at the left end and the right end of the mass block, each piezoelectric assembly I comprises a delay spring I, one end of each delay spring I is fixedly connected with a connecting block, one end of each connecting block, which is arranged relative to the mass block, is in threaded connection with the mass block, the other end of each delay spring I is fixedly connected with a connecting sheet I, one side of each connecting sheet I, which is far away from each delay spring I, is fixedly connected with one end of the substrate, a pair of piezoelectric sheets with opposite polarization directions are respectively bonded on the upper side and the lower side of the substrate, the other end of the substrate is provided with a connecting sheet II, one side of each connecting sheet II, which is far away from the substrate, is fixedly connected with a connecting sheet III, and the connecting rod.
As a further improvement of the invention, the upper end and the lower end of the mass block are respectively provided with a second piezoelectric component, the second piezoelectric component has the same structure as the first piezoelectric component, a third connecting sheet at the upper part of the second piezoelectric component is fixedly connected with the inner wall of the upper outer cover, a bulge which is arranged upwards is arranged at the bottom side of the inner wall of the lower outer cover, a groove is formed in the bulge, and the third connecting sheet at the lower part of the second piezoelectric component can be just inserted into the groove.
In order to position the connection position of the lower outer cover and the upper outer cover, at least two positioning rods are arranged on the upper side of the lower outer cover, and positioning holes corresponding to the positions of the positioning rods are formed on the lower side of the upper outer cover; the design can further improve the connection reliability of the lower outer cover and the upper outer cover.
In order to facilitate the connection between the lower outer cover and the upper outer cover, the lower outer covers with the two sides of the connecting grooves facing outwards are respectively provided with a lower connecting hole, and the upper outer covers are provided with upper connecting holes corresponding to the positions of the lower connecting holes.
As a further improvement of the present invention, the piezoelectric sheet is bonded to the surface of the substrate by a conductive adhesive.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is a front view of the present invention.
Fig. 3 is an A-A view of fig. 2.
Fig. 4 is a perspective view of the upper and lower housings after explosion.
Fig. 5 is a partial enlarged view at B in fig. 4.
Fig. 6 is a perspective view of the lower housing of the present invention.
Fig. 7 is an enlarged view of a three-dimensional structure of a screw hole and a first delay spring in the invention.
In the figure: the piezoelectric ceramic comprises a fixed rod 1, a rotating sleeve 2, a supporting shaft 3, a rotating rod 4, an upper outer cover 5, a lower outer cover 6, a rotating blade 7, a lower connecting hole 8, a connecting rod 9, a piezoelectric mechanism 10, a piezoelectric component 1001I, a mass block 1001a, a delay spring 1001b I, a connecting piece 1001c I, a piezoelectric piece 1001d, a substrate 1001e, a connecting piece 1001f III, a delay spring 1001g II, a connecting piece 1001h II, a connecting piece 1001i I, a piezoelectric component 1002 II, an upper connecting hole 11, a connecting groove 12, a positioning rod 13, a threaded hole 14, a protrusion 15 and a groove 16.
Detailed Description
The spherical wind power piezoelectric power generation device as shown in fig. 1-7 comprises a fixed rod 1 and a piezoelectric mechanism 10, wherein the upper part of the fixed rod 1 is rotatably connected with a supporting shaft 3, one end of the supporting shaft 3 is fixedly connected with a rotary blade 7, the other end of the supporting shaft 3 is fixedly connected with a rotary sleeve 2, at least two rotary rods 4 are arranged on the periphery of the rotary sleeve 2, one side of the rotary rod 4 facing outwards is provided with a spherical lower outer cover 6, the upper side of the lower outer cover 6 is connected with a spherical upper outer cover 5, the inner wall of the upper outer cover 5 is fixedly connected with one end of the piezoelectric mechanism 10 in the height direction, the left end and the right end of the piezoelectric mechanism 10 are respectively provided with a connecting rod 9, and the connecting rods 9 are supported and arranged in a connecting groove 12 of the lower outer cover 6; the specific structure of the piezoelectric mechanism 10 is that the piezoelectric mechanism 10 comprises a substrate 1001e and a cross-shaped mass block 1001a, wherein a piezoelectric component I1001 is respectively arranged at the left end and the right end of the mass block 1001a, the piezoelectric component I1001 comprises a delay spring I1001 b, one end of the delay spring I1001 b is fixedly connected with a connecting block 1001i, one end of the connecting block 1001i, which is arranged opposite to the mass block 1001a, is in threaded connection with the mass block 1001a, at least two threaded holes 14 are respectively arranged on the end surfaces of the upper part, the left part, the right part and the lower part of the mass block 1001a, and in the embodiment, two threaded holes 14 are respectively arranged on the end surfaces of the upper part, the left part, the right part and the lower part of the mass block 1001 a; the other end of the delay spring I1001 b is fixedly connected with a connecting sheet I1001 c, one side of the connecting sheet I1001 c, which is far away from the delay spring I1001 b, is fixedly connected with one end of a substrate 1001e, a pair of piezoelectric sheets 1001d with opposite polarization directions are respectively adhered to the upper side and the lower side of the substrate 1001e, the piezoelectric sheets 1001d are adhered to the surface of the substrate 1001e through conductive adhesive, the other end of the substrate 1001e is provided with a connecting sheet II 1001h, one side of the connecting sheet II 1001h, which is far away from the substrate 1001e, is fixedly connected with a delay spring II 1001g, one side of the delay spring II, which is far away from the connecting sheet II 1001h, is fixedly connected with a connecting sheet III 1001f, and the connecting sheet III 1001f is fixedly connected with a connecting rod 9; the upper end and the lower end of the mass block 1001a are respectively provided with a second piezoelectric component 1002, and the second piezoelectric component 1002 has the same structure as the first piezoelectric component 1001; the bottom side of the inner wall of the lower outer cover 6 is provided with an upward bulge 15, the bulge 15 is provided with a groove 16, a connecting sheet III 1001f at the lower part of a second piezoelectric component 1002 is just clamped into the groove 16, and the connecting sheet III 1001f at the upper part of the second piezoelectric component is fixedly connected with the inner wall of the upper outer cover 5.
In order to position the connection position of the lower outer cover 6 and the upper outer cover 5, at least two positioning rods 13 are arranged on the upper side of the lower outer cover 6, and positioning holes corresponding to the positions of the positioning rods 13 are formed on the lower side of the upper outer cover 5; the lower outer cover 6 with two sides of the connecting groove 12 facing outwards is respectively provided with a lower connecting hole 8, and the upper outer cover 5 is provided with an upper connecting hole 11 corresponding to the position of the lower connecting hole 8.
Wherein, the rotating sleeve 2 is a polygonal rotating sleeve 2, each surface of the rotating sleeve 2 is provided with a threaded hole 14, the lower part of the rotating rod 4 is in threaded connection with the rotating sleeve 2, and in the embodiment, the rotating sleeve 2 is preferably a hexagonal rotating sleeve 2.
According to the invention, firstly, a mass block 1001a with corresponding weight is selected according to the actual environment, the mass block 1001a is adjusted to improve the adaptability of the device, and the natural frequency of the piezoelectric mechanism is adjusted according to the excitation frequencies of different environments, so that the power generation efficiency is improved; the four connecting blocks 1001i are respectively connected to the four ends of the mass block 1001a in a threaded manner, and the mass block 1001a and the connecting blocks 1001i are respectively connected through 8 threaded holes by using 8 fastening screws, so that the connecting blocks 1001i cannot be separated from the mass block 1001a when the rotating rod 4 rotates, and the reliability of the structure is improved; then a third connecting sheet 1001f at the lower part of the second piezoelectric component 1002 is clamped into the groove 16, at this time, the connecting rod 9 is just placed in the connecting groove 12 of the lower outer cover 6, and then the upper outer cover 5 and the lower outer cover 6 are connected together by using the fastening screw to pass through the upper connecting hole 11 and the lower connecting hole 8, and the connecting rod 9 is clamped between the upper outer cover 5 and the lower outer cover 6; the invention is fixedly arranged at places with larger convection wind power such as idle sites or valleys and the like through the fixed rod 1, 2-6 connecting rods are arranged through the hexagonal rotating sleeve 2 according to the wind power of the actual environment, so that the generating capacity is improved, and 3 connecting rods are preferably arranged on the rotating sleeve 2 in the embodiment; according to the practical environment, a mass block 1001a with corresponding weight is selected, meanwhile, through the self weight of the mass block 1001a, the delay spring I1001 b and the delay spring II 1001g are repeatedly extruded by the force of the mass block 1001a, the amplitude of the delay spring I1001 b and the delay spring II 1001g is improved, the generated energy is increased, and the vibration time of the piezoelectric sheet 1001d is prolonged; the natural wind force rotates the rotary blades 7, the rotation of the rotary blades 7 drives the rotation of the supporting shafts 3, the rotation of the supporting shafts 3 drives the rotation of the rotating rods 4, the rotation of the rotating rods 4 drives the rotation of the lower outer cover 6 and the upper outer cover 5, the rotation of the lower outer cover 6 and the upper outer cover 5 drives the rotation of the connecting rod 9, the piezoelectric sheet 1001d vibrates when the connecting rod 9 rotates, the first delay spring 1001b and the second delay spring 1001g increase the amplitude of the piezoelectric sheet 1001d and prolong the vibration time of the piezoelectric sheet 1001d, and the electrode surface of each piezoelectric sheet 1001d is connected to a circuit for energy conversion and storage through a wire, and the energy conversion is carried out through the piezoelectric sheet 1001d, namely the kinetic energy acted on the piezoelectric sheet 1001d7 is converted into electric energy; the invention has simple structure, small whole volume, small occupied area, convenient installation and low preparation cost; the wind power generation device can be applied to wind power generation.
While the specific embodiments of the present invention have been described above, it should be understood that the present invention is not limited to the above-described specific embodiments, and various changes or modifications can be made by one skilled in the art within the scope of the appended claims without affecting the essential content of the present invention. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (6)
1. A spherical wind power piezoelectric power generation device is characterized in that: including dead lever and piezoelectric mechanism, the upper portion rotationally is connected with the back shaft of dead lever, the one end of back shaft has linked firmly rotating vane, and the other end of back shaft has linked firmly the rotation cover, two dwang have been arranged at least to the periphery of rotation cover, and the outside one side of dwang is equipped with spherical lower dustcoat, and the upside of dustcoat is connected with spherical upper shield down, the inner wall of upper shield links firmly with piezoelectric mechanism's one end in the direction of height, and piezoelectric mechanism's left and right sides both ends are equipped with the connecting rod respectively, and the connecting rod supports the spread groove that sets up at lower dustcoat, and piezoelectric mechanism includes the opposite piezoelectric piece of at least a pair of polarization direction.
2. A spherical wind piezoelectric power generation device according to claim 1, wherein: the piezoelectric mechanism further comprises a substrate and a cross-shaped mass block, the left end and the right end of the mass block are respectively provided with a first piezoelectric component, the first piezoelectric component comprises a first delay spring, one end of the first delay spring is fixedly connected with a connecting block, one end of the connecting block, which is arranged relative to the mass block, is in threaded connection with the mass block, the other end of the first delay spring is fixedly connected with a connecting sheet, one side, which is far away from the first delay spring, of the connecting sheet is fixedly connected with one end of the substrate, a pair of piezoelectric sheets with opposite polarization directions are respectively adhered to the upper side and the lower side of the substrate, the other end of the substrate is provided with a second connecting sheet, one side, which is far away from the substrate, of the second delay spring is fixedly connected with a third connecting sheet, and the third connecting sheet is fixedly connected with a connecting rod.
3. A spherical wind power piezoelectric power generation device according to claim 2, wherein: the upper end and the lower end of the mass block are respectively provided with a second piezoelectric component, the second piezoelectric component and the first piezoelectric component are identical in structure, a third connecting sheet on the upper portion of the second piezoelectric component is fixedly connected with the inner wall of the upper outer cover, a bulge which is arranged upwards is arranged on the bottom side of the inner wall of the lower outer cover, a groove is formed in the bulge, and the third connecting sheet on the lower portion of the second piezoelectric component can be just inserted into the groove.
4. A spherical wind power piezoelectric power generation device according to any one of claims 1 to 3, wherein at least two positioning rods are arranged on the upper side of the lower housing, and positioning holes corresponding to the positioning rods are formed on the lower side of the upper housing.
5. A spherical wind power piezoelectric power generation device according to claim 2 or 3, wherein a lower connecting hole is formed in each of the lower covers facing outwards at two sides of the connecting groove, and an upper connecting hole corresponding to the lower connecting hole is formed in each of the upper covers.
6. A spherical wind power piezoelectric power generation device according to claim 2 or 3, wherein the piezoelectric sheet is bonded to the surface of the substrate by conductive adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811145874.0A CN109113935B (en) | 2018-09-29 | 2018-09-29 | Spherical wind power piezoelectric power generation device |
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| CN201811145874.0A CN109113935B (en) | 2018-09-29 | 2018-09-29 | Spherical wind power piezoelectric power generation device |
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| CN109113935A CN109113935A (en) | 2019-01-01 |
| CN109113935B true CN109113935B (en) | 2024-03-15 |
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| CN114518469A (en) * | 2022-02-21 | 2022-05-20 | 中煤科工集团重庆研究院有限公司 | Device and method for monitoring parameters of air duct of mining working face |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204258662U (en) * | 2014-10-28 | 2015-04-08 | 扬州大学 | Piling machine formula piezoelectric generating device |
| CN105515444A (en) * | 2016-01-26 | 2016-04-20 | 金陵科技学院 | Rod ring structure multidirectional piezoelectric power generation device |
| CN208831153U (en) * | 2018-09-29 | 2019-05-07 | 扬州大学 | A kind of spherical shape wind power piezoelectric generation device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2458400B (en) * | 2007-05-04 | 2010-02-17 | Insensys Ltd | Wind turbine monitoring |
| US9115692B2 (en) * | 2013-09-24 | 2015-08-25 | Vinod Shekher | Piezoelectric-based vertical axis wind turbine |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204258662U (en) * | 2014-10-28 | 2015-04-08 | 扬州大学 | Piling machine formula piezoelectric generating device |
| CN105515444A (en) * | 2016-01-26 | 2016-04-20 | 金陵科技学院 | Rod ring structure multidirectional piezoelectric power generation device |
| CN208831153U (en) * | 2018-09-29 | 2019-05-07 | 扬州大学 | A kind of spherical shape wind power piezoelectric generation device |
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