CN113162472A - Push type piezoelectric energy harvesting device based on magnetic excitation - Google Patents

Push type piezoelectric energy harvesting device based on magnetic excitation Download PDF

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Publication number
CN113162472A
CN113162472A CN202110450917.1A CN202110450917A CN113162472A CN 113162472 A CN113162472 A CN 113162472A CN 202110450917 A CN202110450917 A CN 202110450917A CN 113162472 A CN113162472 A CN 113162472A
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rectangular
seesaw
frame
spring mechanism
partition plate
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CN113162472B (en
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江虹
刘磊
王仕诚
贾葆德
王世龙
杨硕
樊星宇
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Changchun University of Technology
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Changchun University of Technology
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters

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Abstract

本发明公布了一种基于磁激励的按压式压电俘能装置,由框架、弹簧机构、矩形压电振子、压环、销钉、跷板、顶盖、螺钉组成;框架分为内腔与外腔,外腔安装弹簧机构,内腔与外腔之间设有隔板,隔板顶端设有安装跷板的槽,跷板中设有矩形孔,用于安装在框架隔板上,压块粘连在靠近矩形孔的那端并且将跷板放置在弹簧机构上,压环通过销钉安装在框架的隔板上,压环中设有安装矩形压电振子的凸台;矩形压电振子的一段安装磁铁块;顶盖上设有矩形孔,方便压块露出;顶盖通过螺栓与框架安装。

Figure 202110450917

The invention discloses a pressing piezoelectric energy capture device based on magnetic excitation, which is composed of a frame, a spring mechanism, a rectangular piezoelectric vibrator, a pressure ring, a pin, a rocker, a top cover and a screw; the frame is divided into an inner cavity and an outer cavity. The spring mechanism is installed in the cavity and the outer cavity. A partition is arranged between the inner cavity and the outer cavity. The top of the partition is provided with a slot for installing the rocker. The rocker is provided with a rectangular hole for installation on the frame partition. Adhere to the end near the rectangular hole and place the rocker on the spring mechanism, the pressure ring is installed on the partition of the frame through the pin, and the pressure ring is provided with a boss for installing the rectangular piezoelectric vibrator; a section of the rectangular piezoelectric vibrator Install the magnet block; the top cover is provided with a rectangular hole, which is convenient for the pressing block to be exposed; the top cover is installed with the frame by bolts.

Figure 202110450917

Description

Push type piezoelectric energy harvesting device based on magnetic excitation
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 vibrational energy is ubiquitous and has a high energy density, the potential value of which has attracted 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. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the frame construction;
FIG. 3 is a schematic structural view of the spring mechanism;
FIG. 4 is a schematic view of the hollow cylinder of the spring mechanism;
fig. 5 is a schematic structural view of a rectangular piezoelectric vibrator;
FIG. 6 is a schematic view of a seesaw;
FIG. 7 is a schematic structural view of the top cover;
FIG. 8 is a schematic view of a 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. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, and fig. 8, 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 exposed conveniently.
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 (5)

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 mounting a seesaw F, a rectangular hole is formed in the seesaw F and used for being mounted on the partition plate of the frame A, a pressing block D is adhered to the end close to the rectangular hole and used for placing the seesaw F on the spring mechanism B, a pressing ring D is mounted on the partition plate of the frame A through a pin E, and a boss for mounting a rectangular piezoelectric vibrator C is arranged in the pressing ring D; a magnet block C3 is arranged on one section of the rectangular piezoelectric vibrator C; a rectangular hole G1 is formed in the top cover G, so that the pressing block D can be 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 frame A 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 A1 for mounting a seesaw is arranged on the partition plate; a spring mechanism B is installed in the outer cavity, a seesaw F is provided with a rectangular hole, the rectangular hole of the seesaw F is placed on a partition plate groove A1 of the frame A, one end close to the rectangular hole is placed on the spring mechanism B, and the other end of the seesaw F is adhered to a magnet block F3 and used for exciting the rectangular piezoelectric vibrator C.
3. 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 for being installed on 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.
4. 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 is installed in the one end of rectangular metal sheet C1, and the other end of rectangular metal sheet C1 is inlayed on the boss that clamping ring D set up.
5. 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 and is used for being arranged on the clapboard groove 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.
CN202110450917.1A 2021-04-26 2021-04-26 A Push-Type Piezoelectric Energy Harvesting Device Based on Magnetic Excitation Active CN113162472B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202524322U (en) * 2012-03-29 2012-11-07 浙江师范大学 A Piezoelectric Energy Harvester with Vertical and Horizontal Composite Excitation
CN107359825A (en) * 2017-08-17 2017-11-17 浙江师范大学 A kind of swing multi-direction piezoelectric 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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202524322U (en) * 2012-03-29 2012-11-07 浙江师范大学 A Piezoelectric Energy Harvester with Vertical and Horizontal Composite Excitation
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
CN107359825A (en) * 2017-08-17 2017-11-17 浙江师范大学 A kind of swing multi-direction piezoelectric 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
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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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