CN109150010A - A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell - Google Patents

A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell Download PDF

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Publication number
CN109150010A
CN109150010A CN201710454532.6A CN201710454532A CN109150010A CN 109150010 A CN109150010 A CN 109150010A CN 201710454532 A CN201710454532 A CN 201710454532A CN 109150010 A CN109150010 A CN 109150010A
Authority
CN
China
Prior art keywords
gasket
spring
cantilever beam
battery
piezoelectric cantilever
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201710454532.6A
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Chinese (zh)
Inventor
吴越
刘清华
韦东东
陈全渠
马文瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Jiwei New Energy Technology Development Co Ltd
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Changchun Jiwei New Energy Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Changchun Jiwei New Energy Technology Development Co Ltd filed Critical Changchun Jiwei New Energy Technology Development Co Ltd
Priority to CN201710454532.6A priority Critical patent/CN109150010A/en
Publication of CN109150010A publication Critical patent/CN109150010A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K35/00Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit
    • H02K35/04Generators with reciprocating, oscillating or vibrating coil system, magnet, armature or other part of the magnetic circuit with moving coil systems and stationary magnets
    • 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

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The present invention relates to a kind of piezoelectricity electromagnetism combined vibratings to capture energy button cell, it include: battery cap, upper spring, upper gasket, hollow shaft, lower gasket, lower spring, battery case, Magnetic battery pedestal and compound piezoelectric cantilever beam, in which: the battery cap, battery case, battery pedestal constitute seal chamber;The upper spring, upper gasket, compound piezoelectric cantilever beam, lower gasket, lower spring and hollow shaft constitute piezoelectric generating device.When the device vibrates, compound piezoelectric cantilever beam, which occurs to vibrate up and down, causes piezoelectric patches to generate electricity, compound piezoelectric cantilever beam end coil winding generates induced current since magnetic flux changes simultaneously, by piezo-electric generating and Electromagnetic generation energy acquisition into button cell, for fields such as MEMS, wireless sensors, have many advantages, such as energy acquisition excellent in efficiency, non-maintaining, the service life is long, energy conservation and environmental protection, be easily integrated it is strong with environmental suitability.

Description

A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell
Technical field
The invention belongs to field of piezoelectric generation, and in particular to a kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell.
Background technique
With the development of science and technology, confession power technology is in MEMS, precision machinery, intelligent machine, wireless sensing Increasingly consequence is occupied in the fields such as device, biologic medical, aerospace, while people also get over the attention of environmental protection concept Come it is stronger, therefore there is an urgent need to it is a kind of be easy to milli machine integrate new energy battery replace conventional dry cell batteries, button cell With lithium battery etc..Along with the development of piezo-electric generating technology, using piezoelectric ceramics as the piezoelectric self electric installation of core function material Show one's talent.However it is existing less about piezoelectric self electricity battery or electromagnetic type Self-generating cell utility model patent, it is designed to Piezoelectric type or electromagnetic type battery as traditional button cell shape size almost without.Patent No. CN202713190U is announced A kind of micro- energy source device patent of piezoelectricity electromagnetism combined type, while using conventional piezoelectric cantilever beam piezo-electric generating, piezoelectric cantilever Beam end replaces mass block with magnet, and in magnet arranged beneath coil windings, is vibrated up and down using cantilever beam end and drive magnetic Iron vibrates up and down, and leads to be arranged in coil flux amount immediately below magnet and changes, generates induced current.Patent structure letter Single, compared to single piezo-electric generating, energy acquisition efficiency is significantly improved.In conjunction with being adopted at present about piezoelectricity, Electromagnetic heating formula energy The paper and patent of acquisition means can design a kind of combine using piezo-electric generating and Electromagnetic generation, vibrational energy collecting efficiency Well, the piezoelectricity electromagnetism combined vibrating prisoner that energy conversion efficiency is high, environmental suitability is strong, is easily integrated can button cell.
Summary of the invention
In order to solve at present, general piezoelectric self electricity structure power density is low, environmental suitability is poor, is not easy to integrate, no The problem of being able to satisfy electricity consumption device requirement proposes a kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell, the piezoelectricity electromagnetism Combined vibrating prisoner's energy button cell is constituted outside cylindrical button cell by battery cap, battery case and Magnetic battery pedestal Portion's structure, inside battery form vibrational energy transferring structure by washer, spring, hollow shaft and compound piezoelectric cantilever beam, the dress It sets and conventional piezoelectric cantilever beam structure form is not only become into array sector piezoelectric cantilever takes full advantage of battery cylindrical Body inner space, and piezoelectric cantilever end mass block has been changed to Circumferential coils, annulus while vibration in piezoelectric cantilever beam Coil generates induced current because of magnetic flux change.The electric energy and coil annulus that piezoelectric patches generates on compound piezoelectric cantilever beam generate Electric energy be connected to by conducting wire in the rectification circuit and energy-storage travelling wave tube being mounted in hollow shaft, then be connected to by conducting wire and be arranged in electricity On pond top cover and the electrode of battery pedestal center, the power supply structure similar with common batteries is formed.When the piezoelectricity electromagnetism combined type Vibration prisoner's energy button cell replaces conventional batteries to be placed on the low power consumings elements such as certain network sensor nodes, MEMS When, it can satisfy confession electricity demanding, and structure is small is easily integrated, do not need manual maintenance, long service life and energy conservation and environmental protection.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of piezoelectricity electromagnetism combined vibrating of present invention prisoner can button cell, comprising: battery cap, upper spring, upper gasket, hollow Axis, lower gasket, lower spring and battery case, it is characterised in that it further include Magnetic battery pedestal and compound piezoelectric cantilever beam, In: the battery cap is disc component, and bottom surface center is disposed with round deep gouge, and battery cap outer end face center is equipped with Electrode;The Magnetic battery pedestal is wafer architecture, and the round deep gouge and battery cap bottom surface circle of top surface center arrangement are heavy Slot face, Magnetic battery pedestal outer end face center are equipped with electrode;The battery case is cylindrical housings, thereon end face and electricity The connection of pond top cover face, lower end surface and Magnetic battery pedestal upper surface connection composition seal cavity;The hollow shaft transition is matched Conjunction is mounted in battery cap deep gouge and Magnetic battery pedestal deep gouge, and rectification circuit and energy-storage travelling wave tube are equipped with inside hollow shaft; The compound piezoelectric cantilever beam is made of elastic base plate, fan-shaped piezoelectric patches and coil annulus, elastic base plate by circular ring plate and its Several fan-shaped cantilever beams of outer array arrangement are constituted, and fan-shaped piezoelectric patches is symmetrically pasted onto following table on elastic base plate sector cantilever beam Face, coil annulus are symmetrically pasted onto elastic base plate sector piezoelectric cantilever outer rim upper and lower surface;The upper spring is with lower spring Same-handed spring;The upper gasket and lower gasket are identical components, washer internal-and external diameter and elastic base plate circular ring plate internal-and external diameter phase Together;The lower spring, lower gasket, compound piezoelectric cantilever beam, upper gasket and upper spring are sequentially sleeved in hollow shaft, under lower spring End is contacted with Magnetic battery base upper surface, and upper end is contacted with lower gasket bottom surface, lower gasket top surface and compound piezoelectric cantilever beam Bottom surface connection, compound piezoelectric cantilever top surface of the beam are connect with upper gasket bottom surface, end in contact under upper gasket top surface and upper spring, upper bullet Spring upper end is contacted with battery cap bottom surface.
The piezo-electric generating unit that the lower spring, lower gasket, compound piezoelectric cantilever beam, upper gasket and upper spring form is more It is a be sequentially overlapped to be formed stack formula piezo-electric generating structure.
When work, which is captureed into energy button cell and is mounted in MEMS, wireless sensor network On the consuming components such as network node, when these components receive ambient vibration, piezoelectricity electromagnetism combined vibrating prisoner can button cell Internal compound piezoelectric cantilever beam converts spring gesture for compound piezoelectric cantilever beam mechanical energy since inertia is vibrated up and down Can, elastic potential energy of the spring is mutually converted with compound piezoelectric cantilever beam mechanical energy, and the duration is very long, and piezoelectric patches generates mechanical become Shape power generation, while coil annulus vibrates up and down, internal magnetic flux converts, and can generate induced current, piezo-electric generating and electricity Magnetic power generation is connected to rectification circuit and energy-storage travelling wave tube in hollow shaft by conducting wire, and the energy of storage is connected to by conducting wire to be arranged in On battery cap and battery pedestal target, the power supply structure similar with common batteries is realized.
Detailed description of the invention
Fig. 1 is that a kind of piezoelectricity electromagnetism combined vibrating prisoner of the present invention can button cell installation relation schematic diagram.
Fig. 2 is that a kind of piezoelectricity electromagnetism combined vibrating prisoner of the present invention can button cell assembly schematic cross-sectional view.
Fig. 3 is a kind of piezoelectricity electromagnetism compound piezoelectric cantilever beam part isometric view of the present invention.
Specific embodiment
Referring to FIG. 1, FIG. 2 and FIG. 3, a kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell of the present invention, by battery cap (1), upper spring (2), upper gasket (3), hollow shaft (4), lower gasket (5), lower spring (6), battery case (7), Magnetic battery bottom Seat (8) and compound piezoelectric cantilever beam (9) are constituted, in which: the battery cap (1) is disc component, and bottom surface hits exactly cloth It is equipped with round deep gouge, battery cap outer end face center is equipped with electrode;The Magnetic battery pedestal (8) is disc component, The round deep gouge and battery cap (1) bottom surface circle deep gouge face of top surface arrangement, Magnetic battery pedestal outer end face center are equipped with Electrode;The battery case (7) is cylindrical housings, and end face is Nian Jie with battery cap (1) lower end surface thereon, lower end surface and magnetism Battery pedestal (8) upper surface bonding composition seal cavity;Hollow shaft (4) transition fit is mounted on battery cap (1) deep gouge In Magnetic battery pedestal (8) deep gouge, rectification circuit and energy-storage travelling wave tube are installed inside hollow shaft;The compound piezoelectric cantilever Beam (9) is made of elastic base plate (91), fan-shaped piezoelectric patches (92) and coil annulus (93), elastic base plate (91) by circular ring plate and its Several fan-shaped cantilever beams of outer array arrangement are constituted, and fan-shaped piezoelectric patches (92) is symmetrically pasted onto the fan-shaped cantilever beam of elastic base plate (91) Upper and lower surface, coil annulus (93) are symmetrically pasted onto the fan-shaped piezoelectric cantilever outer rim upper and lower surface of elastic base plate (91);On described Spring (2) and lower spring (6) are same-handed spring;The upper gasket (3) and lower gasket (5) are identical components, inside and outside washer Diameter is identical as elastic base plate (91) circular ring plate internal-and external diameter;The lower spring (6), lower gasket (5), compound piezoelectric cantilever beam (9), Upper gasket (3) and upper spring (2) are sequentially sleeved on hollow shaft (4), lower spring (6) lower end and Magnetic battery pedestal (8) upper surface Contact, upper end are contacted with lower gasket (5) bottom surface, and lower gasket (5) top surface is Nian Jie with compound piezoelectric cantilever beam (9) bottom surface, compound Formula piezoelectric cantilever (9) top surface is Nian Jie with upper gasket (3) bottom surface, end in contact under upper gasket (3) top surface and upper spring (2), upper bullet Spring (2) upper end is contacted with battery cap (1) bottom surface.
The lower spring (6), lower gasket (5), compound piezoelectric cantilever beam (9), upper gasket (3) and upper spring (2) composition Piezo-electric generating unit it is multiple be sequentially overlapped to be formed stack formula piezo-electric generating structure.
When work, which is captureed into energy button cell and is mounted in MEMS, wireless sensor network On the consuming components such as network node, when the power consumption component is by ambient vibration, piezoelectricity electromagnetism combined vibrating prisoner can button cell Internal compound piezoelectric cantilever beam converts spring gesture for compound piezoelectric cantilever beam mechanical energy since inertia is vibrated up and down Can, elastic potential energy of the spring is mutually converted with compound piezoelectric cantilever beam mechanical energy, and the duration is very long, and piezoelectric patches generates mechanical become Shape power generation, while coil annulus vibrates up and down, internal magnetic flux converts, and can generate induced current, piezo-electric generating and electricity Magnetic power generation is connected to rectification circuit and energy-storage travelling wave tube in hollow shaft by conducting wire, and the energy of storage is connected to by conducting wire to be arranged in On battery cap and battery pedestal target, the power supply structure similar with common batteries is realized.

Claims (2)

1. a kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell, comprising: battery cap (1), upper spring (2), upper gasket (3), hollow shaft (4), lower gasket (5), lower spring (6) and battery case (7), it is characterised in that further include Magnetic battery pedestal (8) and compound piezoelectric cantilever beam (9), in which: the battery cap (1) is disc component, and bottom surface center is disposed with circle Shape deep gouge;The Magnetic battery pedestal (8) is disc component, the round deep gouge of top surface arrangement one and battery cap (1) bottom surface Round deep gouge face;The battery case (7) be cylindrical housings, thereon end face connect with battery cap (1) lower end surface, lower end Face connect composition seal cavity with Magnetic battery pedestal (8) upper surface;Hollow shaft (4) transition fit is mounted on battery cap (1) in deep gouge and Magnetic battery pedestal (8) deep gouge;The compound piezoelectric cantilever beam (9) is by elastic base plate (91), fan-shaped piezoelectricity Piece (92) and coil annulus (93) composition, several fan-shaped cantilever beam structures that elastic base plate (91) is arranged by circular ring plate and its outer array At fan-shaped piezoelectric patches (92) is symmetrically pasted onto the fan-shaped cantilever beam upper and lower surface of elastic base plate (91), and coil annulus (93) is symmetrically viscous It is attached to the fan-shaped piezoelectric cantilever outer rim upper and lower surface of elastic base plate (91);The upper spring (2) and lower spring (6) are same-handed Spring;The upper gasket (3) and lower gasket (5) are identical components, washer internal-and external diameter and elastic base plate (91) circular ring plate internal-and external diameter It is identical;The lower spring (6), lower gasket (5), compound piezoelectric cantilever beam (9), upper gasket (3) and upper spring (2) are sequentially sleeved in In hollow shaft (4), lower spring (6) lower end is contacted with Magnetic battery pedestal (8) upper surface, and upper end is contacted with lower gasket (5) bottom surface, Lower gasket (5) top surface is connect with compound piezoelectric cantilever beam (9) bottom surface, compound piezoelectric cantilever beam (9) top surface and upper gasket (3) Bottom surface connection, upper gasket (3) top surface and end in contact under upper spring (2), upper spring (2) upper end is contacted with battery cap (1) bottom surface.
2. piezoelectricity electromagnetism combined vibrating prisoner energy button cell according to claim 1, it is characterised in that: the lower spring (6), the piezo-electric generating unit of lower gasket (5), compound piezoelectric cantilever beam (9), upper gasket (3) and upper spring (2) composition is multiple It is sequentially overlapped to be formed and stacks formula piezo-electric generating structure.
CN201710454532.6A 2017-06-15 2017-06-15 A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell Withdrawn CN109150010A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710454532.6A CN109150010A (en) 2017-06-15 2017-06-15 A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710454532.6A CN109150010A (en) 2017-06-15 2017-06-15 A kind of piezoelectricity electromagnetism combined vibrating prisoner energy button cell

Publications (1)

Publication Number Publication Date
CN109150010A true CN109150010A (en) 2019-01-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112117932A (en) * 2020-09-02 2020-12-22 广州大学 Power generation device and health monitoring equipment using same
CN112202311A (en) * 2020-09-29 2021-01-08 长春工业大学 Piezoelectric power generation device used during elevator operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112117932A (en) * 2020-09-02 2020-12-22 广州大学 Power generation device and health monitoring equipment using same
CN112202311A (en) * 2020-09-29 2021-01-08 长春工业大学 Piezoelectric power generation device used during elevator operation

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Application publication date: 20190104

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