CN113162472B - Push type piezoelectric energy harvesting device based on magnetic excitation - Google Patents
Push type piezoelectric energy harvesting device based on magnetic excitation Download PDFInfo
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- CN113162472B CN113162472B CN202110450917.1A CN202110450917A CN113162472B CN 113162472 B CN113162472 B CN 113162472B CN 202110450917 A CN202110450917 A CN 202110450917A CN 113162472 B CN113162472 B CN 113162472B
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- 230000005284 excitation Effects 0.000 title claims abstract description 11
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005192 partition Methods 0.000 claims abstract description 19
- 239000002184 metal Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000010248 power generation Methods 0.000 claims description 2
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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
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Abstract
The invention discloses a pressing type piezoelectric energy harvesting device based on magnetic excitation, which consists of a frame, a spring mechanism, a rectangular piezoelectric vibrator, a pressure ring, a pin, a seesaw, a top cover and a screw; the frame is divided into an inner cavity and an outer cavity, a spring mechanism is arranged on the outer cavity, a partition plate is arranged between the inner cavity and the outer cavity, a groove for installing a seesaw is arranged at the top end of the partition plate, a rectangular hole is formed in the seesaw and used for being installed on the partition plate of the frame, a pressing block is adhered to the end close to the rectangular hole and used for placing the seesaw on the spring mechanism, a pressing ring is installed on the partition plate of the frame through a pin, and a boss for installing a rectangular piezoelectric vibrator is arranged in the pressing ring; a magnet block is arranged on one section of the rectangular piezoelectric vibrator; the top cover is provided with a rectangular hole, so that the pressing block can be conveniently exposed; the top cover is mounted with the frame by bolts.
Description
Technical Field
The invention relates to a pressing type piezoelectric energy harvesting device based on magnetic excitation, and belongs to the technical field of piezoelectric power generation and self-energy supply application.
Background
With the increasing global warming and the shortage of non-renewable resources such as petroleum, coal, natural gas and the like, scientific and technical personnel in various countries begin to search and develop new energy. Ambient vibration energy is ubiquitous and has a high energy density, the potential value of which has been drawing increasing attention and thinking. There are three ways to capture vibrational energy from the environment: piezoelectric, electrostatic, and electromagnetic. The piezoelectric type converts the vibration energy into electric energy by utilizing the positive piezoelectric effect of the piezoelectric material, has the outstanding advantages of high energy harvesting efficiency, large energy density, reliable work, strong adaptability, no pollution, low cost and the like, and the developed energy harvesting device has a simple structure and is a typical 'green' technology.
Disclosure of Invention
The invention provides a pressing type piezoelectric energy harvesting device based on magnetic excitation, which can convert pressure in the environment into electric energy for utilization.
The technical scheme adopted by the invention is as follows: a pressing type piezoelectric energy harvesting device based on magnetic excitation is composed of a frame, a spring mechanism, a rectangular piezoelectric vibrator, a pressing ring, a pin, a seesaw, a top cover and a bolt.
The specific installation process adopted by the invention is as follows: the frame is divided into an inner cavity and an outer cavity, a spring mechanism is arranged on the outer cavity, a partition plate is arranged between the inner cavity and the outer cavity, a groove for installing a seesaw is arranged at the top end of the partition plate, a rectangular hole is formed in the seesaw and used for being installed on the partition plate of the frame, a pressing block is adhered to the end close to the rectangular hole and used for placing the seesaw on the spring mechanism, a pressing ring is installed on the partition plate of the frame through a pin, and a boss for installing a rectangular piezoelectric vibrator is arranged in the pressing ring; a magnet block is arranged on one section of the rectangular piezoelectric vibrator; the top cover is provided with a rectangular hole, so that the pressing block can be conveniently exposed; the top cover is mounted with the frame by bolts.
In the invention, the frame is divided into an inner cavity and an outer cavity, the inner cavity and the outer cavity are separated by a partition plate, and a groove for mounting a seesaw is arranged on the partition plate; a spring mechanism is installed on the outer cavity, a rectangular hole is formed in the seesaw, the rectangular hole of the seesaw is placed on a frame partition plate groove, one end close to the rectangular hole is placed on the spring mechanism, and a magnet block is bonded to the other end of the spring mechanism and used for exciting the rectangular piezoelectric vibrator.
In the invention, the spring mechanism consists of a cover, a hollow cylinder and a spring; the small hollow cylinder is arranged in the hollow cylinder, the small cylinder is arranged on the cover and used for being installed on the small hollow cylinder, and the spring is sleeved on the small cylinder; the spring mechanism can restrain the transverse deformation of the spring and utilize the spring to the maximum extent.
In the present invention, the rectangular piezoelectric vibrator is divided into three parts: the piezoelectric ceramic is adhered to the rectangular metal plate, the magnet block is installed at one end of the rectangular metal plate, and the other end of the rectangular metal plate is embedded on a boss of the compression ring.
In the invention, the seesaw is divided into three parts: the device comprises a pressing block, a rectangular seesaw and a magnet block; the rectangular seesaw is provided with a rectangular hole and is used for being arranged on a clapboard groove on the frame; one end close to the rectangular groove is provided with a pressing block, and the other end is provided with a magnet block.
Drawings
FIG. one is a schematic view of the structure of the present invention;
FIG. two is a schematic structural view of the frame;
FIG. III is a schematic view of the spring mechanism;
FIG. four is a schematic view of the hollow cylinder of the spring mechanism;
FIG. V is a schematic structural diagram of a rectangular piezoelectric vibrator;
FIG. six is a schematic structural view of the seesaw;
FIG. seven is a schematic structural view of the top cover;
FIG. eight is a schematic view of the screw;
Detailed Description
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. one, fig. two, fig. three, fig. four, fig. five, fig. six, fig. seven, and fig. eight, in an embodiment of the present invention, a specific structure includes:
the utility model provides a push type piezoelectricity energy harvesting device based on magnetic excitation which characterized in that: the piezoelectric vibrator consists of a frame, a spring mechanism, a seesaw, a pressing block, a magnet block, a pressing ring, a rectangular piezoelectric vibrator and a top cover; the frame is divided into an inner cavity and an outer cavity, a spring mechanism is arranged on the outer cavity, a partition plate is arranged between the inner cavity and the outer cavity, a structure for installing a seesaw is arranged at the top end of the partition plate, a rectangular hole is formed in the seesaw and used for being installed on the partition plate of the frame, a pressing block is installed at the end close to the rectangular hole and placed on the spring mechanism, a pressing ring is installed on the partition plate of the frame, and a structure for installing a rectangular piezoelectric vibrator is arranged in the pressing ring; a magnet block is arranged on one section of the rectangular piezoelectric vibrator; the top cover is provided with a rectangular hole, so that the pressing block can be conveniently exposed.
The working process of the invention is as follows: when a pressing block in the device is excited by the external environment, the magnet block at the other end of the seesaw can be driven to move upwards, the magnet block at one end of the rectangular piezoelectric vibrator can be excited, the spring mechanism can be compressed downwards under the action of the pressing block, and then can be stretched again under the action of the spring to recover the original state.
The principles and embodiments of the present invention have been described herein using specific examples, which are intended to facilitate an understanding of the principles and core concepts of the invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes may be made without departing from the principle of the present invention, and the technical features described above may be combined in a suitable manner; such modifications, variations, combinations, or adaptations of the invention using its spirit and scope, as defined by the claims, may be directed to other uses and embodiments.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A pressing type piezoelectric energy harvesting device based on magnetic excitation is composed of a frame A, a spring mechanism B, a rectangular piezoelectric vibrator C, a pressure ring D, a pin E, a seesaw F, a top cover G and a screw H; the frame A is divided into an inner cavity and an outer cavity, the outer cavity is provided with a spring mechanism B, a partition plate is arranged between the inner cavity and the outer cavity, the top end of the partition plate is provided with a groove A1 for installing a seesaw F, a rectangular hole is formed in the seesaw F and used for being installed on the partition plate of the frame A, a pressing ring D is adhered to the end close to the rectangular hole and is placed on the spring mechanism B, the pressing ring D is installed on the partition plate of the frame A through a pin E, and a boss for installing a rectangular piezoelectric vibrator C is arranged in the pressing ring D; the magnet block C3 is arranged at one end of the rectangular piezoelectric vibrator C, when the device is excited by the external environment, the magnet block F3 at the other end of the seesaw F is driven to move upwards, and the magnet block C3 at one end of the rectangular piezoelectric vibrator C is excited, so that the rectangular piezoelectric vibrator C bends and deforms, and piezoelectric power generation is realized; the top cover G is provided with a rectangular hole G1, so that the compression ring D is conveniently exposed; the top cover G is mounted with the frame A through bolts H.
2. The magnetic excitation-based push type piezoelectric energy harvesting device of claim 1, wherein: the spring mechanism B consists of a cover B1, a hollow cylinder B2 and a spring B3; the hollow cylinder B2 is also provided with a small hollow cylinder B2-1, the cover B1 is provided with a small cylinder which is used for being installed in the small hollow cylinder B2-1, and the spring B3 is sleeved on the small cylinder; the spring mechanism B may constrain the lateral deformation of the spring B3, maximizing the utilization of the spring B3.
3. The magnetic excitation-based push type piezoelectric energy harvesting device of claim 1, wherein: the rectangular piezoelectric vibrator C is divided into three parts: rectangular metal sheet C1, piezoceramics C2, magnet piece C3, with piezoceramics C2 adhesion on rectangular metal sheet C1, magnet piece C3 installs the one end at rectangular metal sheet C1, and the other end of rectangular metal sheet C1 is inlayed on the boss that clamping ring D set up.
4. The magnetic excitation-based push type piezoelectric energy harvesting device of claim 1, wherein: the seesaw F is divided into three parts: a briquetting F1, a rectangular seesaw F2 and a magnet block F3; the rectangular seesaw F2 is provided with a rectangular hole for being mounted on the groove A1 on the frame A; a pressing block F1 is arranged at one end close to the rectangular groove, and a magnet block F3 is arranged at the other end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110450917.1A CN113162472B (en) | 2021-04-26 | 2021-04-26 | Push type piezoelectric energy harvesting device based on magnetic excitation |
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| CN202110450917.1A CN113162472B (en) | 2021-04-26 | 2021-04-26 | Push type piezoelectric energy harvesting device based on magnetic excitation |
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| CN113162472A CN113162472A (en) | 2021-07-23 |
| CN113162472B true CN113162472B (en) | 2022-06-17 |
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| CN114094707A (en) * | 2021-11-24 | 2022-02-25 | 国网上海市电力公司 | Substation auxiliary control system and method based on OPCUA |
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|---|---|---|---|---|
| CN202524322U (en) * | 2012-03-29 | 2012-11-07 | 浙江师范大学 | Vertical and horizontal compound excitation type piezoelectric energy harvester |
| CN107565948A (en) * | 2017-08-17 | 2018-01-09 | 浙江师范大学 | A kind of self-powered Piezoelectric switches |
| CN107605674A (en) * | 2017-11-02 | 2018-01-19 | 李秀碧 | Pedal generation device |
| WO2018042902A1 (en) * | 2016-08-29 | 2018-03-08 | パナソニックＩｐマネジメント株式会社 | Power generation device |
| CN109150007A (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 magnetic suspension vibrating prisoner energy battery |
| CN211907296U (en) * | 2020-04-10 | 2020-11-10 | 嘉兴市凯拓电子科技有限公司 | Miniaturized wireless remote control switch capable of generating electricity automatically |
| WO2021075252A1 (en) * | 2019-10-15 | 2021-04-22 | パナソニックＩｐマネジメント株式会社 | Power generation device and input device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359825B (en) * | 2017-08-17 | 2023-03-21 | 浙江师范大学 | Swing type multi-directional piezoelectric energy harvester |
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202524322U (en) * | 2012-03-29 | 2012-11-07 | 浙江师范大学 | Vertical and horizontal compound excitation type piezoelectric energy harvester |
| WO2018042902A1 (en) * | 2016-08-29 | 2018-03-08 | パナソニックＩｐマネジメント株式会社 | Power generation device |
| CN109150007A (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 magnetic suspension vibrating prisoner energy battery |
| CN107565948A (en) * | 2017-08-17 | 2018-01-09 | 浙江师范大学 | A kind of self-powered Piezoelectric switches |
| CN107605674A (en) * | 2017-11-02 | 2018-01-19 | 李秀碧 | Pedal generation device |
| WO2021075252A1 (en) * | 2019-10-15 | 2021-04-22 | パナソニックＩｐマネジメント株式会社 | Power generation device and input device |
| CN211907296U (en) * | 2020-04-10 | 2020-11-10 | 嘉兴市凯拓电子科技有限公司 | Miniaturized wireless remote control switch capable of generating electricity automatically |
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