CN113131789B - Multimode road piezoelectric power generation device - Google Patents
Multimode road piezoelectric power generation device Download PDFInfo
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- CN113131789B CN113131789B CN202110433246.8A CN202110433246A CN113131789B CN 113131789 B CN113131789 B CN 113131789B CN 202110433246 A CN202110433246 A CN 202110433246A CN 113131789 B CN113131789 B CN 113131789B
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- power generation
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- connecting rod
- shell
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- 238000010248 power generation Methods 0.000 title claims abstract description 86
- 238000010008 shearing Methods 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
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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
-
- 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
- H02N2/186—Vibration harvesters
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- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The invention discloses a multi-mode road piezoelectric power generation device which comprises a shell, a disc body, a d31 power generation unit, a d33 power generation unit cantilever beam, a sliding block, a spring, a connecting rod, a chuck, a d15 power generation unit and an elastic body, wherein the d15 power generation unit is arranged on the shell; the d15 power generation unit comprises a short spring, a piezoelectric sheet and a shear plate, and the d31 power generation unit comprises a thin plate, a base plate and a piezoelectric sheet; the connecting rod is matched with the disk body, the spring is sleeved on the connecting rod, the chuck is matched with the groove of the connecting rod, the connecting ball of the chuck is matched with the slide way of the slide block, the elastic body is arranged close to the slide block, one end of the d15 power generation unit and one end of the d31 power generation unit are matched with the elastic body, the other end of the d15 power generation unit and the other end of the d31 power generation unit are arranged with the shell, and the cantilever beam of the d33 power generation unit is arranged close to the magnet of the chuck; and finally, the shell is matched with the disc body through threads, so that the purpose of assembling the whole power generation device is achieved.
Description
Technical Field
The invention relates to a multi-mode road piezoelectric power generation device, and belongs to the technical field of piezoelectric power generation.
Technical Field
The road is used as the most important transportation facility, and plays an important role in promoting economic development and providing convenience for production and life of people. The rapid development of economy has promoted the continuous increase of transportation demand since the reform was open, has provided the chance of a thousand years of difficulty for the development of road engineering construction, has also improved the requirement to road function simultaneously. The road bears a large amount of environmental energy while bearing the transportation function, the vibration energy of the vehicle axle load, the energy of solar radiation, the friction energy of tires and the road surface and even the energy discharged by the waste gas of an automobile engine can be recycled, and the piezoelectric effect is utilized to convert the mechanical energy generated by the axle load vibration on the road into the electric energy to supply power for the road transportation subsidiary facilities, which is an ideal road environmental energy collecting mode.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a multi-mode road piezoelectric power generation device.
The technical scheme adopted by the invention is as follows: a multi-mode road piezoelectric power generation device comprises a shell (1), a disc body (2), a d31 power generation unit (3), a d33 power generation unit cantilever beam (4), a sliding block (5), a spring (6), a connecting rod (7), a chuck (8), a d15 power generation unit (9) and an elastic body (10).
The device is characterized in that a threaded hole (1-1) is formed in the shell (1), a threaded hole (2-1) and a round hole (2-2) are formed in the disc body (2), a slide rail (5-1) is formed in the slide block (5), a groove (7-1) is formed in the connecting rod (7), the chuck (8) consists of a magnet (8-1) and a connecting ball (8-2), the d15 power generation unit (9) consists of a short spring (9-1), a piezoelectric sheet (9-2) and a shearing plate (9-3), and the d31 power generation unit (3) consists of a thin plate (3-1), a base plate (3-2) and a piezoelectric sheet (3-3); the connecting rod (7) is matched with the disc body (2), the spring (6) is sleeved on the connecting rod (7), the chuck (8) is matched with a groove (7-1) of the connecting rod (7), a connecting ball (8-2) of the chuck (8) is matched with a slide way (5-1) of the sliding block (5), the elastic body (10) is installed close to the sliding block (5), one ends of the d15 power generation unit (9) and the d31 power generation unit (3) are matched with the elastic body (10), the other end of the d15 power generation unit and the other end of the d31 power generation unit are installed with the shell (1), and the d33 power generation unit cantilever beam (4) is installed close to the magnet (8-1) of the chuck (8); and finally, the shell (1) is matched with the disc body (2) through threads, so that the purpose of assembling the whole power generation device is achieved.
As a further improvement of the technical proposal, the depth of the slideway (5-1) of the sliding block (5) is three quarters of a circle with the same diameter as the connecting ball (8-2), so as to prevent the connecting ball (8-2) from derailing when sliding.
As a further improvement of the technical scheme, the slide way (5-1) of the slide block (5) and the shell (1) are coated with lubricating substances to facilitate the sliding of the slide block (5).
As a further improvement of the technical scheme, the d15 power generation unit (9) is formed by arranging a plurality of power generation assembly matrixes, and each power generation assembly is tightly connected, so that the efficiency of the d15 power generation unit (9) is improved.
As a further improvement of the technical scheme, the d33 power generation unit cantilever beam (4) is arranged obliquely below the chuck (8), so that the efficiency of the d33 power generation unit cantilever beam (4) is improved.
Drawings
FIG. 1 is a schematic diagram of an energy harvester according to a preferred embodiment of the invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic view of a chuck.
Fig. 4 is a schematic view of a slider.
Fig. 5 is a schematic view of a d15 power generation unit.
Fig. 6 is a schematic view of a d31 power generation unit.
Fig. 7 is a schematic view of a d33 power generation unit.
Detailed description of the preferred embodiments
The following detailed description of the present invention is given for the purpose of better understanding technical solutions of the present invention by those skilled in the art, and the present description is only exemplary and explanatory and should not be construed as limiting the scope of the present invention in any way.
Referring to fig. 1 to 7, in an embodiment of the present invention, the structure includes:
a multi-mode road piezoelectric power generation device comprises a shell (1), a disc body (2), a d31 power generation unit (3), a d33 power generation unit cantilever beam (4), a sliding block (5), a spring (6), a connecting rod (7), a chuck (8), a d15 power generation unit (9) and an elastic body (10); the device is characterized in that a threaded hole (1-1) is formed in the shell (1), a threaded hole (2-1) and a round hole (2-2) are formed in the disc body (2), a slide rail (5-1) is formed in the slide block (5), a groove (7-1) is formed in the connecting rod (7), the chuck (8) consists of a magnet (8-1) and a connecting ball (8-2), the d15 power generation unit (9) consists of a short spring (9-1), a piezoelectric sheet (9-2) and a shearing plate (9-3), and the d31 power generation unit (3) consists of a thin plate (3-1), a base plate (3-2) and a piezoelectric sheet (3-3); the connecting rod (7) is matched with the disc body (2), the spring (6) is sleeved on the connecting rod (7), the chuck (8) is matched with a groove (7-1) of the connecting rod (7), a connecting ball (8-2) of the chuck (8) is matched with a slide way (5-1) of the sliding block (5), the elastic body (10) is installed close to the sliding block (5), one ends of the d15 power generation unit (9) and the d31 power generation unit (3) are matched with the elastic body (10), the other end of the d15 power generation unit and the other end of the d31 power generation unit are installed with the shell (1), and the d33 power generation unit cantilever beam (4) is installed close to the magnet (8-1) of the chuck (8); and finally, the shell (1) is matched with the disc body (2) through threads, so that the purpose of assembling the whole power generation device is achieved.
As a further improvement of the technical proposal, the depth of the slideway (5-1) of the sliding block (5) is three quarters of a circle with the same diameter as the connecting ball (8-2), so as to prevent the connecting ball (8-2) from derailing when sliding.
As a further improvement of the technical scheme, the slide way (5-1) of the slide block (5) and the shell (1) are coated with lubricating substances to facilitate the sliding of the slide block (5).
As a further improvement of the technical scheme, the d15 power generation unit (9) is formed by arranging a plurality of power generation assembly matrixes, and each power generation assembly is tightly connected, so that the efficiency of the d15 power generation unit (9) is improved.
As a further improvement of the technical scheme, the d33 power generation unit cantilever beam (4) is arranged obliquely below the chuck (8), so that the efficiency of the d33 power generation unit cantilever beam (4) is improved.
The working process of the invention is as follows: when a vehicle runs, the connecting rod (7) can drive the chuck (8) to move downwards, so that the connecting ball (8-2) can slide on the slide way (5-1) of the sliding block (5), the whole sliding block (5) can be driven to move horizontally, the sliding block (5) can continuously extrude the elastic body (10), the elastic body (10) deforms and extrudes the shear plate (9-3) of the d15 power generation unit (9), the shear plate (9-3) can supply force to the piezoelectric sheet (9-2), the d15 power generation unit (9) generates power, meanwhile, the elastic body (10) can extrude the d31 power generation unit (3), and then the power is generated, when the disk body (8) moves downwards, the magnet (8-1) can be coupled with the cantilever beam (4) of the d33 power generation unit, and then magnetic power is generated. And finally, the connecting rod (7) is reset by the spring (6), so that multi-mode piezoelectric power generation is realized.
Claims (4)
1. A multi-mode road piezoelectric power generation device comprises a shell (1), a disc body (2), a d31 power generation unit (3), a d33 power generation unit cantilever beam (4), two sliding blocks (5), a spring (6), a connecting rod (7), a chuck (8), a d15 power generation unit (9) and two elastic bodies (10); the device is characterized in that a first threaded hole (1-1) is formed in the shell (1), a second threaded hole (2-1) and a round hole (2-2) are formed in the disc body (2), a slide way (5-1) is formed in the slide block (5), a groove (7-1) is formed in the connecting rod (7), the chuck (8) comprises two magnets (8-1) and two connecting balls (8-2), the d15 power generation unit (9) is composed of a short spring (9-1), a piezoelectric sheet (9-2) and a shear plate (9-3), and the d31 power generation unit (3) is composed of a thin plate (3-1), a base plate (3-2) and a piezoelectric sheet (3-3); the end of a groove (7-1) of the connecting rod (7) penetrates through a round hole (2-2) of the disc body (2) and extends into the shell (1), the spring (6) is sleeved on the connecting rod (7), and two ends of the spring (6) are respectively abutted against the outer end of the connecting rod (7) and the disc body (2); the center hole of the chuck (8) is matched with a groove (7-1) of the connecting rod (7), two connecting balls (8-2) of the chuck (8) are respectively matched with slideways (5-1) of two sliding blocks (5), two elastic bodies (10) are respectively and tightly mounted against the two sliding blocks (5), one ends of a d15 power generation unit (9) and a d31 power generation unit (3) are respectively matched with the two elastic bodies (10), the other ends of the d15 power generation unit and the d31 power generation unit are mounted with the shell (1), and a d33 power generation unit cantilever beam (4) is mounted close to a magnet (8-1) of the chuck (8); the shell (1) is matched with the disc body (2) through threads; when a vehicle runs, the connecting rod (7) drives the chuck (8) to move downwards, the connecting ball (8-2) slides in the slide way (5-1) of the sliding block (5) to drive the whole sliding block (5) to move horizontally, the sliding block (5) continuously extrudes the elastic body (10), the elastic body (10) deforms and extrudes the shearing plate (9-3) of the d15 power generation unit (9), the shearing plate (9-3) applies force to the piezoelectric sheet (9-2) to enable the d15 power generation unit (9) to generate power, meanwhile, the elastic body (10) extrudes the d31 power generation unit (3) to generate power, when the chuck (8) moves downwards, the magnet (8-1) and the d33 power generation unit cantilever beam (4) are magnetically coupled to generate power, and finally the connecting rod (7) is reset by the spring (6).
2. The multimode roadway piezoelectric power generation device of claim 1, wherein; the slide way (5-1) of the slide block (5) and the shell (1) are coated with lubricating substances to facilitate the sliding of the slide block (5).
3. The multimode roadway piezoelectric power generation device of claim 1, wherein; the d15 power generation unit (9) is formed by arranging a plurality of power generation component matrixes, and each power generation component should be closely connected, so that the efficiency of the d15 power generation unit (9) is improved.
4. The multimode roadway piezoelectric power generation device of claim 1, wherein; the d33 power generation unit cantilever beam (4) is arranged obliquely below the chuck (8), so that the efficiency of the d33 power generation unit cantilever beam (4) is improved.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433246.8A CN113131789B (en) | 2021-04-22 | 2021-04-22 | Multimode road piezoelectric power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433246.8A CN113131789B (en) | 2021-04-22 | 2021-04-22 | Multimode road piezoelectric power generation device |
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| Publication Number | Publication Date |
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| CN113131789A CN113131789A (en) | 2021-07-16 |
| CN113131789B true CN113131789B (en) | 2022-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110433246.8A Active CN113131789B (en) | 2021-04-22 | 2021-04-22 | Multimode road piezoelectric power generation device |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101741278B (en) * | 2010-03-24 | 2012-09-05 | 上海交通大学 | Dynamic vibration absorber-based device for collecting piezoelectric vibration energy |
| US20110291526A1 (en) * | 2010-05-27 | 2011-12-01 | Innowattech Ltd. | Piezoelectric stack compression generator |
| CN106549625B (en) * | 2016-12-08 | 2018-12-28 | 清华大学 | A kind of composite pavement energy collecting device |
| CN107681919B (en) * | 2017-09-08 | 2019-01-11 | 长安大学 | One kind being based on d15The road piezoelectric generating device of transducing mode |
| CN108471256B (en) * | 2018-04-19 | 2019-08-13 | 河海大学常州校区 | A kind of bimodulus piezoelectricity oscillating generating set |
| CN108755474B (en) * | 2018-05-31 | 2020-06-16 | 北京工业大学 | Lifting type highway deceleration strip capable of generating power |
| CN109617450B (en) * | 2018-10-22 | 2020-04-10 | 长安大学 | Piezoelectric power generation unit in integrated mode and road full-section synchronous power generation device |
| CN110359367B (en) * | 2019-03-14 | 2021-03-19 | 长安大学 | Piezoelectric power generation deceleration strip for road |
| CN111030506A (en) * | 2019-12-05 | 2020-04-17 | 广州大学 | Highway vibration piezoelectricity, magnetoelectricity composite power generation device |
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