CN112953304B - Umbrella type road piezoelectric power generation device - Google Patents
Umbrella type road piezoelectric power generation device Download PDFInfo
- Publication number
- CN112953304B CN112953304B CN202110433229.4A CN202110433229A CN112953304B CN 112953304 B CN112953304 B CN 112953304B CN 202110433229 A CN202110433229 A CN 202110433229A CN 112953304 B CN112953304 B CN 112953304B
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- piezoelectric
- cantilever beam
- chuck
- piezoelectric film
- sheet
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- 238000010248 power generation Methods 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 210000000988 bone and bone Anatomy 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 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
- H02N2/186—Vibration harvesters
Abstract
The invention discloses an umbrella-type road piezoelectric power generation device which comprises a disc body, a shell, a piezoelectric film, a connecting rod, a spring, a chuck and a cantilever beam, wherein the piezoelectric film is arranged on the shell; the casing is seted up flutedly, screw hole and draw-in groove, piezoelectric film is by metal substrate, little circular piezoelectric piece and big circular piezoelectric piece are constituteed, the connecting rod is by semicircle metal cap, stock and quarter butt are constituteed, the draw-in groove has been seted up to the stock, round hole and pin roll are seted up to the chuck and are constituteed, the cantilever beam comprises gleitbretter and piezoelectric piece and pinhole, disk body and casing pass through threaded connection, the connecting rod cooperatees with the casing, the chuck cooperatees with the draw-in groove on the stock, the cantilever beam cooperatees with the pin roll on the chuck, piezoelectric film cooperatees with the draw-in groove of casing, the quarter butt on the connecting rod is cup jointed to the spring, reach the purpose of assembling whole power generation facility.
Description
Technical Field
The invention relates to an umbrella type road piezoelectric power generation device, and belongs to the technical field of piezoelectric power generation.
Background
The piezoelectric power generation technology is a green energy technology capable of converting mechanical vibration energy into electric energy, has wide application prospect and low-carbon significance, and is suitable for the times of low-carbon economy, energy conservation and environmental protection. The road surface has a lot of vibration energy, and the road piezoelectric power generation technology is emphasized. Therefore, it is necessary to design a road piezoelectric power generation device with stable energy output and low loss.
Disclosure of Invention
The invention provides an umbrella type road piezoelectric power generation device aiming at the defects of the prior art.
The technical scheme adopted by the invention is as follows: an umbrella type road piezoelectric power generation device comprises a disc body (1), a shell (2), a piezoelectric film (3), a connecting rod (4), a spring (5), a chuck (6) and a cantilever beam (7).
The piezoelectric ceramic disc is characterized in that the shell (2) is provided with a groove (2-1), a threaded hole (2-2) and a clamping groove (2-3), the piezoelectric film (3) consists of a metal substrate (3-2), a small round piezoelectric sheet (3-1) and a large round piezoelectric sheet (3-2), the connecting rod (4) consists of a semicircular metal cap (4-1), a long rod (4-2) and a short rod (4-4), the long rod (4-2) is provided with the clamping groove (4-3), the chuck (6) is provided with a round hole (6-1) and a pin rod (6-2), the cantilever beam (7) consists of a sliding sheet (7-1), the piezoelectric sheet (7-2) and a pin hole (7-3), the disc body (1) is connected with the shell (2) through threads, and the connecting rod (4) is matched with the shell (1), the chuck (6) is matched with a clamping groove (4-3) on the long rod (4), the cantilever beam (7) is matched with a pin rod (6-2) on the chuck (6), the piezoelectric film (3) is matched with the clamping groove (2-3) of the shell (2), and the spring (5) is sleeved on the short rod (4-4) on the connecting rod (4), so that the purpose of assembling the whole power generation device is achieved.
As a further improvement of the technical scheme, the arc-shaped end surface of the cantilever beam (7) is just tangent to the piezoelectric film (3).
As a further improvement of the technical scheme, the arc-shaped end face of the cantilever beam (7) is made of a substance with a large friction coefficient, so that the piezoelectric film (3) is deformed to generate power when the sliding sheet (7-1) slides.
As a further improvement of the technical scheme, the chuck (6) and the cantilever beam (7) are in clearance fit, so that the cantilever beam (7) can slide.
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 piezoelectric film.
Fig. 4 is a schematic view of a connecting rod.
Fig. 5 is a sectional view of the housing.
Fig. 6 is a schematic view of a chuck.
Figure 7 is a schematic view of a cantilever beam.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in order to make those skilled in the art better understand the technical solution of the present invention, and the description in this section is only exemplary and illustrative, 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, a specific structure includes:
an umbrella type road piezoelectric power generation device comprises a disc body (1), a shell (2), a piezoelectric film (3), a connecting rod (4), a spring (5), a chuck (6) and a cantilever beam (7); the shell (2) is provided with a groove (2-1), a threaded hole (2-2) and a clamping groove (2-3), the piezoelectric film (3) consists of a metal substrate (3-2), a small round piezoelectric sheet (3-1) and a large round piezoelectric sheet (3-2), the connecting rod (4) consists of a semicircular metal cap (4-1), a long rod (4-2) and a short rod (4-4), the long rod (4-2) is provided with the clamping groove (4-3), the chuck (6) is provided with a round hole (6-1) and a pin rod (6-2), the cantilever beam (7) consists of a sliding sheet (7-1), the piezoelectric sheet (7-2) and a pin hole (7-3), the disk body (1) is connected with the shell (2) through threads, the connecting rod (4) is matched with the shell (1), the chuck (6) is matched with a clamping groove (4-3) on the long rod (4), the cantilever beam (7) is matched with a pin rod (6-2) on the chuck (6), the piezoelectric film (3) is matched with the clamping groove (2-3) of the shell (2), and the spring (5) is sleeved on the short rod (4-4) on the connecting rod (4), so that the purpose of assembling the whole power generation device is achieved.
As a further improvement of the technical scheme, the arc-shaped end surface of the cantilever beam (7) is just tangent to the piezoelectric film (3).
As a further improvement of the technical scheme, the arc-shaped end face of the cantilever beam (7) is made of a substance with a large friction coefficient, so that the piezoelectric film (3) is deformed to generate power when the sliding sheet (7-1) slides.
As a further improvement of the technical scheme, the chuck (6) and the cantilever beam (7) are in clearance fit, so that the cantilever beam (7) can slide.
The working process of the invention comprises two processes of voltage and alarm.
Piezoelectric process: the whole piezoelectric power generation device is buried underground, when a vehicle runs from the road surface and presses a spring (5) on a connecting rod (4) to contract, a chuck (6) is driven to move downwards, the chuck (6) and a cantilever beam (7) are in clearance fit, so that the cantilever beam (7) slides on a piezoelectric film (3), and a sliding sheet (7-1) of the cantilever beam (7) and a metal substrate (3-2) of the piezoelectric film (3) are deformed due to the fact that the friction coefficient is large, and power generation is further achieved.
And (3) an alarm process: the alarm is mainly aimed at large vehicles, when the large vehicles exceed the pressure borne by the road surface, the compression amount of the spring (5) is increased, so that the end face of the connecting rod (4) can impact the small circular piezoelectric sheet (3-1) of the piezoelectric film (3) to generate electricity, and when the small circular piezoelectric sheet (3-1) generates electricity, the large vehicles cannot pass through, so that the road is protected.
Claims (4)
1. A bone umbrella type road piezoelectric power generation device: the piezoelectric ceramic disc is composed of a disc body (1), a shell (2), a piezoelectric film (3), a connecting rod (4), a spring (5), a chuck (6) and a cantilever beam (7); a groove (2-1), a threaded hole (2-2) and a first clamping groove (2-3) are formed in the shell (2), and the first clamping groove (2-3) is located on the inner peripheral wall of the groove (2-1); the piezoelectric film (3) consists of a metal substrate (3-2), a small circular piezoelectric sheet (3-1) and a large circular piezoelectric sheet (3-2), the small circular piezoelectric sheet (3-1) is positioned on the upper surface of the metal substrate (3-2), and the large circular piezoelectric sheet (3-2) is positioned on the lower surface of the metal substrate (3-2); the connecting rod (4) consists of a semicircular metal cap (4-1), a long rod (4-2) and a short rod (4-4), the long rod (4-2) is positioned on the plane surface of the semicircular metal cap (4-1), and the short rod (4-4) is positioned on the outer side of the long rod (4-2); a clamping groove II (4-3) is formed in the long rod (4-2), a round hole (6-1) is formed in the chuck (6), the chuck (6) further comprises a pin rod (6-2), the cantilever beam (7) is composed of a sliding sheet (7-1), a piezoelectric sheet (7-2) and a pin hole (7-3), one end of the sliding sheet (7-1) is provided with the pin hole (7-3), the other end of the sliding sheet is an arc-shaped end face, and the piezoelectric sheet (7-2) is located on the surface of the sliding sheet (7-1); the disc body (1) is in threaded connection with the shell (2) through a threaded hole (2-2), a second clamping groove (4-3) of the long rod (4-2) penetrates through a hole in the disc body (1) and penetrates into the groove (2-1), a round hole (6-1) is connected with the second clamping groove (4-3) in the long rod (4-2), a pin hole (7-3) is connected with a pin rod (6-2) in the chuck (6), the piezoelectric film (3) is connected with the first clamping groove (2-3) in the shell (2), the spring (5) is sleeved on a short rod (4-4) in the connecting rod (4), and two ends of the spring (5) are respectively abutted against the semicircular metal cap (4-1) and the disc body (1); piezoelectric process: when a vehicle runs from the road surface and presses the connecting rod (4), the spring (5) contracts to drive the chuck (6) to move downwards, and the cantilever beam (7) slides on the piezoelectric film (3), so that the sliding sheet (7-1) of the cantilever beam (7) and the metal substrate (3-2) of the piezoelectric film (3) deform to generate power; and (3) an alarm process: the end surface of the connecting rod (4) impacts a small circular piezoelectric sheet (3-1) of the piezoelectric film (3) to generate electricity.
2. The umbrella-type road piezoelectric power generation device according to claim 1, wherein; the arc end surface of the cantilever beam (7) is just tangent to the piezoelectric film (3).
3. The umbrella-type road piezoelectric power generation device according to claim 1, wherein; the arc-shaped end face of the cantilever beam (7) is made of a substance with a large friction coefficient, so that the piezoelectric film (3) can deform to generate electricity when the sliding sheet (7-1) slides.
4. The umbrella-type road piezoelectric power generation device according to claim 1, wherein; the chuck (6) is in clearance fit with the cantilever beam (7) to facilitate the sliding of the cantilever beam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110433229.4A CN112953304B (en) | 2021-04-22 | 2021-04-22 | Umbrella type road piezoelectric power generation device |
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| CN202110433229.4A CN112953304B (en) | 2021-04-22 | 2021-04-22 | Umbrella type road piezoelectric power generation device |
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| CN112953304A CN112953304A (en) | 2021-06-11 |
| CN112953304B true CN112953304B (en) | 2022-06-17 |
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Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6250158B1 (en) * | 1997-05-09 | 2001-06-26 | Litton Systems, Inc. | Monolithic vibrating beam angular velocity sensor |
| KR101520728B1 (en) * | 2013-06-27 | 2015-05-20 | 재단법인 포항산업과학연구원 | Hybrid energy harvesting module |
| CN104009669A (en) * | 2014-06-10 | 2014-08-27 | 大连理工大学 | Piezoelectric floor device of blocking cantilever beam structure |
| CN106100441B (en) * | 2016-06-22 | 2017-11-14 | 西北工业大学 | Piezoelectric energy collector and its Acquisition Circuit applied to deceleration driven |
| CN106549625B (en) * | 2016-12-08 | 2018-12-28 | 清华大学 | A kind of composite pavement energy collecting device |
| CN106899231B (en) * | 2017-03-16 | 2019-02-22 | 长安大学 | A kind of rotary transducing head of piezo-electric generating |
| CN109150008A (en) * | 2017-06-15 | 2019-01-04 | 长春吉威新能源科技发展有限公司 | A kind of temperature difference, the compound piezoelectric energy-capturing battery of vibration |
| CN108755474B (en) * | 2018-05-31 | 2020-06-16 | 北京工业大学 | Lifting type highway deceleration strip capable of generating power |
| CN108914799B (en) * | 2018-08-08 | 2024-01-23 | 北京中微融通科技有限公司 | Road power generation system based on piezoelectric effect |
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