CN203014707U - High-efficiency piezoelectric power generation apparatus - Google Patents
High-efficiency piezoelectric power generation apparatus Download PDFInfo
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- CN203014707U CN203014707U CN 201220570941 CN201220570941U CN203014707U CN 203014707 U CN203014707 U CN 203014707U CN 201220570941 CN201220570941 CN 201220570941 CN 201220570941 U CN201220570941 U CN 201220570941U CN 203014707 U CN203014707 U CN 203014707U
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- piezoelectric
- push rod
- electrode
- slide block
- wire
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- 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 utility model discloses a high-efficiency piezoelectric power generation apparatus. The apparatus comprises a turbine rotor assembly, a spring slide block assembly, a bended knockout rod assembly, and a piezoelectric vibrator assembly, wherein the turbine rotor assembly includes a turbine blade, a rotating shaft and a cam; the spring slide block assembly includes an installation cylinder, a push rod, a installation cylinder cover, a spring, a slide block push rod and a support disc; the bended knockout rod assembly comprises a circular ring, a knockout rod, a rotating slide block, a second pin and a support frame; and the piezoelectric vibrator assembly includes a piezoelectric material, a first electrode, a second electrode, a first wire, and a second wire. According to the high-efficiency piezoelectric power generation apparatus, the mechanical connection rod mechanism and slide block mechanism are used, ensuring the accuracy of the knocking position at every time, and generating stable and high-efficiency electric power; and the problem that the conventional apparatus uses centrifugal force to generate strikes, and under the action of high-speed fluid, the centrifugal force may be too large and close to the piezoelectric vibrator, and the apparatus is disabled, is solved.
Description
Technical field
The utility model belongs to wind power generation and hydroelectric power generation field, particularly a kind of high efficiency piezoelectric generating device.
Background technology
Utilize nature wind energy and water to generate electricity, for various outdoor facilities carry out the development trend that self-powered system meets current energy-saving and environmental protection, low-carbon (LC), have broad application prospects in fields such as industrial monitoring, intelligent transportation, intelligent grid, mine safety, environmental monitoring, safety home, health cares.
The Priya of the U.S. adopts piezoelectric device to manufacture and design a kind of small-sized wind power generator US11/252903.Can generate electricity under the wind drive of 8～16 kilometers of speed per hours.The blade of generator is linked on cam, and make around the conglobate a series of bimorphs of axle row and produce vibration, thus the output electric energy.This scheme has two shortcomings: the one, and piezoelectric bimorph rotates each time all and collides with cam, and therefore friction produces wearing and tearing, causes energy loss, reduces useful life simultaneously.The 2nd, when wind speed was low, blade and cam can not break away from, and piezoelectric bimorph keeps certain case of bending constant, and no longer generate electricity this moment.The new road of being developed jointly, be equipped with the Blast Furnace Top Gas Recovery Turbine Unit (TRT) that adopts component of piezoelectric conversion by NEC TOKIN and Japanese Heardea is identified at Japan's trial run.Its principle is exactly by being placed in the rolling of steel ball in cannelure, clashing into piezoelectric element and generate electricity.This device is arranged in the large vcehicular tunnel of the volume of traffic, the air stream drives sign rotation that produces in the time of can utilizing automobile to cross.Steel ball is arranged in the circular passage that is separated into by component of piezoelectric conversion, and when sign is rotated, steel ball will move in passage, clashes into the piezoelectric element at passage two ends, makes the piezoelectric element output charge.The major defect of this scheme is, when car crosses and sign will high speed rotating when producing strong wind continuously, thereby makes steel ball be close to the component of piezoelectric conversion motion, and piezoelectric element can not get the pressure-acting of alternation, just can not generate electricity.
The utility model content
The purpose of this utility model is to provide a kind of high efficiency piezoelectric generating device efficient, applied widely that utilizes piezoelectric to collect fluid dynamic energy.
The technical solution that realizes the utility model purpose is: a kind of high efficiency piezoelectric generating device, beat bar assembly, piezoelectric vibrator module composition by turbine rotor assembly, spring block assembly, bending, described turbine rotor assembly comprises turbo blade, rotating shaft and cam, rotating shaft is arranged on the main shaft frame, and rotate, turbo blade is fixed on an end of rotating shaft, and cam is fixed on the centre of rotating shaft, and the main shaft frame is arranged on base; The spring block assembly comprises mounting cylinder, push rod, installation cover, spring, slide block push rod and supporting disk, described spring is placed in mounting cylinder, the slide block push rod passes spring, this slide block push rod one end is connected with supporting disk, the other end is connected with push rod, this push rod passes the installation cover, and spacing by cover is installed, and cam contacts with push rod all the time; Bending beat the bar assembly by annulus, make bar, turning block, the second pin and bracing frame and consist of, wherein annulus is arranged on base, and between the main shaft frame, bracing frame is fixed on annulus, make bar and pass through the second pin frame on bracing frame, make bar and rotate on bracing frame, turning block is connected on supporting disk by the first pin, turning block rotates on supporting disk, and described bar and the turning block beaten forms and be slidably connected; Circular ring cover is arranged on annulus, and mounting cylinder is vertically fixed on circular ring cover; The piezoelectric vibrator assembly is comprised of piezoelectric, the first electrode, the second electrode, the first wire, the second wire, the two sides that the first electrode, the second electrode are coated in piezoelectric forms piezoelectric patches, the first wire is connected with the first electrode, the second wire is connected with the second electrode, the first wire, the second wire are connected with load, this piezoelectric patches sticks on and forms piezoelectric vibration piece on flexure strip, one end of flexure strip is embedded on the inside and outside circle cylinder of annulus, and fix with epoxy resin, the other end freely forms cantilever beam structure.
The utility model compared with prior art, its remarkable advantage: (1) adopts cam link mechanism and the slide block mechanism of machinery, can guarantee to knock the accuracy at position at every turn, produces more steady efficient electric energy; (2) overcome the device that shock is provided by centrifugal force, can produce centrifugal force excessive and be close to piezoelectric vibrator and lost efficacy under the high-velocity fluid effect; (3) can be according to the bar of beating that on-site fluid force and security protection spatial design varying number are installed, increase the piezoelectric vibrator of respective amount, thereby make its excursion greatly increase, thereby this device of different model can be installed better in accordance with the time and the place, and can beat four limits simultaneously, therefore realize high efficiency generating; (4) utilize piezoelectric effect, harvest energy from the motion of air or other fluids is converted into electric energy, is a kind of small-size wind power-generating or hydroelectric installation, can be used for the mini-plant of outdoor use or the self-powered of facility.Can generate electricity under very little and larger wind conditions, have adaptability widely.2-3 level gentle breeze just can produce lasting electric energy, and its dynamo-electric transformation efficiency is suitable with advanced at present large-scale wind electricity device efficiency, can be with thinking the wireless sensing net node power supply.
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Description of drawings
Fig. 1 is the front view of the utility model high efficiency piezoelectric generating device.
Fig. 2 is the utility model high efficiency piezoelectric generating device internal structure schematic diagram.
Embodiment
In conjunction with Fig. 1 and Fig. 2, the utility model high efficiency piezoelectric generating device, beat bar assembly, piezoelectric vibrator module composition by turbine rotor assembly, spring block assembly, bending, described turbine rotor assembly comprises turbo blade 8, rotating shaft 7 and cam 9, rotating shaft 7 is arranged on main shaft frame 10, and rotates, and turbo blade 8 is fixed on an end of rotating shaft 7, cam 9 is fixed on the centre of rotating shaft 7, and main shaft frame 10 is arranged on base 1;
The spring block assembly comprises mounting cylinder 5, push rod 11, cover 12, spring 13, slide block push rod 6 and supporting disk 17 is installed, described spring 13 is placed in mounting cylinder 5, slide block push rod 6 passes spring 13, these slide block push rod 6 one ends are connected with supporting disk 17, the other end is connected with push rod 11, this push rod 11 passes installs cover 12, and spacing by cover 12 is installed, and cam 9 contacts with push rod 11 all the time;
Bending beat the bar assembly by annulus 2, make bar 14, turning block 15, the second pin 18 and bracing frame 19 and consist of, wherein annulus 2 is arranged on base 1, and between main shaft frame 10, bracing frame 19 is fixed on annulus 2, make bar 14 and make bar 14 and rotate on bracing frame 19 on bracing frame 19 by 18 of the second pins, turning block 15 is connected on supporting disk 17 by the first pin 16, turning block 15 rotates on supporting disk 17, and the described bar 14 of beating is slidably connected with turning block 15 formation; Circular ring cover 4 is arranged on annulus 2, and mounting cylinder 5 is vertically fixed on circular ring cover 4;
The piezoelectric vibrator assembly is comprised of piezoelectric 20, the first electrode 21, the second electrode 22, the first wire 23, the second wire 24, the two sides that the first electrode 21, the second electrode 22 are coated in piezoelectric 20 forms piezoelectric patches, the first wire 23 is connected with the first electrode 21, the second wire 24 is connected with the second electrode 22, the first wire 23, the second wire 24 are connected with load 25, this piezoelectric patches sticks on flexure strip 3 and forms piezoelectric vibration piece, one end of flexure strip 3 is embedded on the inside and outside circle cylinder of annulus 2, and fix with epoxy resin, the other end freely forms cantilever beam structure.
The utility model high efficiency piezoelectric generating device to make bar 14, turning block 15, the first pin 16, the second pin 18, bracing frame 19 identical with piezoelectric vibration piece quantity, be more than four, four above same structure piezoelectric vibration pieces consist of the polygon internal structure on the face of cylinder of annulus 2.Wherein make bar 14 and be the shape of bending type, be connected with bracing frame 19 by the second pin 18 in the bending place, an end bending segment and piezoelectric patches contact when slide block push rod 6 ascent stage, and other end bending segment is in the interior slip of turning block 15.
The utility model turbo blade 8 is the kinetic energy that rotating shaft 7 is rotated with the kinetic transformation of air or current, thereby with the rotation of moving cam 9.bias due to cam 9, push rod 11 must be pressed down in cam 9 decline processes, push rod 11 is fastenedly connected with slide block push rod 6, thereby band movable slider push rod 6 moves downward, again because supporting disk 17 also is fastenedly connected with push rod 11, so further realize that supporting disk 17 moves downward under the power conduction, drive movable slider 15 in this, belong to movable slider 15 and be slidably connected because make bar 14, institute is so that make bar 14 around the second upwards rotation of pin 18, away from the piezoelectric vibrator sheet, when cam 9 rises, because spring 13 elastic force that produces upwards lifts the spring block assembly, thereby drive movable slider 15, and then make and make bar 14 and knock piezoelectric vibration piece around the second pin 18 and make it produce flexural vibrations, the vibration of flexure strip 3 makes piezoelectric 20 produce distortion, due to piezoelectric effect, and then make piezoelectric 20 by the first electrode 21, produce electric charge on the second electrode 22, through the first electrode 21, the second electrode 22 and the first wire 23, the second wire 24 outputs to load 25, form electric current in the loop that consists of with load 25, the kinetic transformation of air-flow or current is electric energy the most at last.Load 25 is Light-Emitting Diode, wireless senser, current rectifying and wave filtering circuit, storage battery, electric capacity or loud speaker.
Claims (3)
1. high efficiency piezoelectric generating device, it is characterized in that: beat bar assembly, piezoelectric vibrator module composition by turbine rotor assembly, spring block assembly, bending, described turbine rotor assembly comprises turbo blade (8), rotating shaft (7) and cam (9), rotating shaft (7) is arranged on main shaft frame (10), and rotate, turbo blade (8) is fixed on an end of rotating shaft (7), and cam (9) is fixed on the centre of rotating shaft (7), and main shaft frame (10) is arranged on base (1);
The spring block assembly comprises mounting cylinder (5), push rod (11), cover (12), spring (13), slide block push rod (6) and supporting disk (17) is installed, described spring (13) is placed in mounting cylinder (5), slide block push rod (6) passes spring (13), these slide block push rod (6) one ends are connected with supporting disk (17), the other end is connected with push rod (11), this push rod (11) passes installs cover (12), and spacing by cover (12) is installed, cam (9) contacts with push rod (11) all the time;
bending is played the bar assembly by annulus (2), make bar (14), turning block (15), the second pin (18) and bracing frame (19) consist of, wherein annulus (2) is arranged on base (1), and be positioned between main shaft frame (10), bracing frame (19) is fixed on annulus (2), make bar (14) and pass through the second pin (18) frame on bracing frame (19), make bar (14) in the upper rotation of bracing frame (19), turning block (15) is connected on supporting disk (17) by the first pin (16), turning block (15) is in the upper rotation of supporting disk (17), the described bar (14) of beating is slidably connected with turning block (15) formation, circular ring cover (4) is arranged on annulus (2), and mounting cylinder (5) is vertically fixed on circular ring cover (4),
the piezoelectric vibrator assembly is by piezoelectric (20), the first electrode (21), the second electrode (22), the first wire (23), the second wire (24) forms, the first electrode (21), the two sides that the second electrode (22) is coated in piezoelectric (20) forms piezoelectric patches, the first wire (23) is connected with the first electrode (21), the second wire (24) is connected with the second electrode (22), the first wire (23), the second wire (24) is connected with load (25), this piezoelectric patches sticks on the upper piezoelectric vibration piece that forms of flexure strip (3), one end of flexure strip (3) is embedded on the inside and outside circle cylinder of annulus (2), and fix with epoxy resin, the other end freely, form cantilever beam structure.
2. high efficiency piezoelectric generating device according to claim 1, it is characterized in that: make bar (14), turning block (15), the first pin (16), the second pin (18), bracing frame (19) identical with piezoelectric vibration piece quantity, be more than four, four above same structure piezoelectric vibration pieces consist of the polygon internal structure on the face of cylinder of annulus (2).
3. high efficiency piezoelectric generating device according to claim 1 and 2, it is characterized in that: make bar (14) and be the shape of bending type, be connected with bracing frame (19) by the second pin (18) in the bending place, one end bending segment and piezoelectric patches contact when slide block push rod (6) ascent stage, and other end bending segment slides in turning block (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220570941 CN203014707U (en) | 2012-10-31 | 2012-10-31 | High-efficiency piezoelectric power generation apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220570941 CN203014707U (en) | 2012-10-31 | 2012-10-31 | High-efficiency piezoelectric power generation apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014707U true CN203014707U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220570941 Withdrawn - After Issue CN203014707U (en) | 2012-10-31 | 2012-10-31 | High-efficiency piezoelectric power generation apparatus |
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| CN (1) | CN203014707U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023375A (en) * | 2012-10-31 | 2013-04-03 | 南京航空航天大学 | High efficiency piezoelectricity power-generating device |
| CN110685862A (en) * | 2019-11-11 | 2020-01-14 | 西南交通大学 | Mountain cantilever type wind energy and rainwater power generation facility |
-
2012
- 2012-10-31 CN CN 201220570941 patent/CN203014707U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103023375A (en) * | 2012-10-31 | 2013-04-03 | 南京航空航天大学 | High efficiency piezoelectricity power-generating device |
| CN103023375B (en) * | 2012-10-31 | 2015-06-03 | 南京航空航天大学 | High efficiency piezoelectricity power-generating device |
| CN110685862A (en) * | 2019-11-11 | 2020-01-14 | 西南交通大学 | Mountain cantilever type wind energy and rainwater power generation facility |
| CN110685862B (en) * | 2019-11-11 | 2023-08-11 | 西南交通大学 | Mountain wall-hanging type wind energy and rainwater power generation device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130619 Effective date of abandoning: 20150603 |
|
| RGAV | Abandon patent right to avoid regrant |