CN108390448A - Piezoelectricity energy-collecting device - Google Patents
Piezoelectricity energy-collecting device Download PDFInfo
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- CN108390448A CN108390448A CN201810094617.2A CN201810094617A CN108390448A CN 108390448 A CN108390448 A CN 108390448A CN 201810094617 A CN201810094617 A CN 201810094617A CN 108390448 A CN108390448 A CN 108390448A
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- piezoelectricity
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- 238000009413 insulation Methods 0.000 claims abstract description 9
- 239000013013 elastic material Substances 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 210000004899 c-terminal region Anatomy 0.000 claims description 6
- 238000003475 lamination Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 210000002683 foot Anatomy 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 206010040007 Sense of oppression Diseases 0.000 description 1
- 210000003423 ankle Anatomy 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000000629 knee joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 201000008482 osteoarthritis Diseases 0.000 description 1
- 230000002085 persistent effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002520 smart material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present patent application discloses a kind of piezoelectricity energy-collecting device, it includes piezoelectric mounts, bridge rectifier and capacitance, and bridge rectifier and capacitance are electrically connected；Piezoelectric mounts include at least one layer of piezoelectricity collection energy unit, piezoelectricity collection energy unit includes upper plate, lower plate, multiple arc-like sheets made of elastic material are fixed between upper plate and lower plate, the inner wall insulation of arc-like sheet is fixed with multiple inner wall piezoelectric patches, and the outer wall insulation of arc-like sheet is fixed with multiple outer wall piezoelectric patches；Multiple inner wall piezoelectric patches of each arc-like sheet inner wall are electrically connected after being connected into inner wall piezoelectric patches branch with bridge rectifier, and multiple outer wall piezoelectric patches of each arc-like sheet outer wall are also electrically connected with bridge rectifier after being connected into outer wall piezoelectric patches branch.The high conversion rate of the piezoelectricity energy-collecting device mechanical energy and electric energy, energy dissipation are few.
Description
Technical field
The present invention relates to energy conversion devices technical field, more particularly to a kind of piezoelectricity energy-collecting device.
Background technology
Piezoelectric patches can utilize the characteristic property of piezoelectric material to be converted mechanical energy by collecting the mechanical energy in environment
Electric energy, it is final to generate the piezoelectric micromotor energy.The piezoelectric micromotor energy is because of long, the pollution-free and MEMS (micro-electro-mechanical systems with service life
System) many merits such as process compatible, energy density height, so being with a wide range of applications.It is green with the enhancing of environmental consciousness
The demand of color eco-friendly power source is increasing, realizes that the application of energy conversion is more and more common using piezoelectric patches.
But there are some defects for the Land use systems of the piezoelectric patches of the prior art, are to place piezoelectric patches in practical operation
On certain supporter, pressure is applied to piezoelectric patches, the piezoelectric patches contraction distortion when pushing, piezoelectric patches rebound is multiple after removing pressure
Position converts mechanical energy to electric energy using retracted for clearance, but in this way piezoelectric patches shrink, most of energy can be from springback process
Supporter disperses, and causes the conversion ratio that mechanical energy is converted into electric energy low, causes the waste of energy.So lacking conversion ratio at present
Piezoelectricity energy-collecting device that is high, avoiding energy dissipation.
Invention content
The technical problem to be solved by the invention is to provide a kind of mechanical energy and electric energy conversion ratio improving piezoelectric material,
Avoid the piezoelectricity energy-collecting device of energy dissipation.
Technical solution of the invention is as follows：A kind of piezoelectricity energy-collecting device is provided, it includes piezoelectric mounts, bridge rectifier
And capacitance, bridge rectifier and capacitance electrical connection；Piezoelectric mounts include at least one layer of piezoelectricity collection energy unit, and piezoelectricity collection energy unit includes
Upper plate, lower plate, are fixed with multiple arc-like sheets made of elastic material between upper plate and lower plate, the inner wall insulation of arc-like sheet is fixed
There are multiple inner wall piezoelectric patches, the outer wall insulation of arc-like sheet to be fixed with multiple outer wall piezoelectric patches；Each arc-like sheet inner wall is multiple interior
Wall piezoelectric patches is electrically connected after being connected into inner wall piezoelectric patches branch with bridge rectifier, multiple outer wall piezoelectric patches of each arc-like sheet outer wall
It is also electrically connected with bridge rectifier after being connected into outer wall piezoelectric patches branch.
The operation principle of above-mentioned piezoelectricity energy-collecting device is：Piezoelectricity collection energy unit is pressurized, and arc-like sheet meeting flexural deformation makes inner wall
Piezoelectric patches suffers oppression and shrinks, outer wall piezoelectric patches Tensile and expand；When pressure removes, the arc-like sheet being no longer pressurized restores former
Shape, in reseting procedure, inner wall piezoelectric patches stretches, and outer wall piezoelectric patches is shunk.No matter piezoelectric patches is stretched or is shunk, the piezoelectricity of deformation
Piece will produce potential, convert mechanical energy into electric energy, be collected into capacitance, can easily collect micro-energy.It is essential that pressure
Electric holder is not only a simple retracted for clearance, but the on and on persistent oscillation after pressure removes；That is, its
His most of energy is not dispersed as the prior art from supporter, but piezoelectricity branch is temporarily stored in the form of elastic potential energy
In the arc-like sheet of frame, during piezoelectric mounts subsequently constantly shrink rebound reciprocating vibration, elastic potential energy is persistently discharged,
Piezoelectric patches continues to collect the mechanical energy of oscillation, and converts mechanical energy to electric energy, collects telescopic process to the maximum extent in this way
Energy avoids energy dissipation, so the mechanical energy of piezoelectricity energy-collecting device of the present invention and electric energy high conversion rate.
Piezoelectricity energy-collecting device of the present invention compared with prior art, has following remarkable advantage and advantageous effect：
By analyzing the high conversion rate it is found that the piezoelectricity energy-collecting device mechanical energy and electric energy above, energy dissipation is few, entire mistake
Journey does not have carbon emission, environmentally safe.Moreover, being fixed multiple arcs piece using upper plate and lower plate, it will not fall apart, take off
It falls, piezoelectricity collection energy cellular construction is stablized, and uniform force, deformation are uniform.In addition, arc-like sheet has elasticity, it is close by multiple arcs piece
The piezoelectricity collection energy unit for sealing connection just also has elasticity, while being deformed upon by the active force of load, is generated to load
Reaction force；And the deformation of flexible arc piece needs a period of time, the during this period of time ascending gradual application of flexible arc piece
Reaction force plays the role of buffer shock-absorbing, and violent impact will not be caused harmful shock loading, reduces danger
Danger.
Preferably, arc-like sheet is divided into symmetrical two groups of distributions, and the equal excurvation of all arc-like sheets.Outer dactylogryposis arc-like sheet
The width bisector being open towards piezoelectricity collection energy unit.Symmetric design enables piezoelectricity collection unit to be more uniformly stressed, to deform
More uniformly.
Preferably, piezoelectricity integrates energy unit as multilayer, and often lamination electricity collects the lower plate and lower layer's piezoelectricity collection energy unit of energy unit
Upper plate connects.Multi-layer piezoelectric collection energy unit is designed, the energy of storage can be increased.The number of plies of piezoelectricity collection energy unit is by required acquisition
Mechanical energy size determine that for example need to acquire larger mechanical energy, then the number of plies for designing piezoelectricity collection energy unit is more；It needs to adopt
Collect larger mechanical energy, then the number of plies for designing piezoelectricity collection energy unit is less.In short, the number of plies of piezoelectricity collection energy unit can be according to machinery
Energy selects with needing freedom and flexibility, and often the size of lamination electricity collection energy unit also can flexibly change according to actual needs.
It is further preferred that the connection refers to that the bottom surface of the lower plate of upper layer piezoelectricity collection energy unit is fixed with lower connecting plate,
The top surface of the upper plate of lower layer's piezoelectricity collection energy unit is fixed with upper junction plate；The top edge of upper junction plate is equipped with dovetail type raised line, under
The lower edge of connecting plate is equipped with dovetail type groove corresponding with dovetail type raised line, and dovetail type raised line is inserted into dovetail type groove.
The design of upper junction plate and lower connecting plate enables pressure to be evenly applied on piezoelectricity collection unit, to make arc-like sheet deformation more
It is symmetrical and uniform.The design of dovetail type raised line and dovetail type groove to manufacture more convenient, more convenient, the multi-layer piezoelectric of assembly
The connection of collection energy unit is more secured.
It is another that preferably the connection refers to that the bottom surface of the lower plate of upper layer piezoelectricity collection energy unit is fixed with lower connecting plate,
The top surface of the upper plate of lower layer's piezoelectricity collection energy unit is fixed with upper junction plate；The both ends of upper junction plate are equipped with downward lower convexity,
The both ends of lower connecting plate are equipped with upward upper protrusion, and each raised and lower convexity positioned at same end is through a C-shaped ring button button
It closes.Such connection type reduces the thickness of upper junction plate and lower connecting plate due to not having dovetail type raised line and dovetail type groove
Degree, effectively reduces piezoelectric mounts overall volume, is suitble to microminiature piezoelectricity energy-collecting device；And it is upper it is a kind of be equipped with dovetail type raised line and
The connection type of dovetail type groove is suitble to relatively large piezoelectricity energy-collecting device.
Preferably, bridge rectifier is 4 mouthfuls of formulas, and the both ends of capacitance are connect with the ports A of bridge rectifier and C-terminal mouth respectively；Often
The both ends of a inner wall piezoelectric patches branch are connect with the ports B of bridge rectifier and the ports D respectively, and the two of each outer wall piezoelectric patches branch
End is also connect with the ports B of bridge rectifier and the ports D respectively.Using 4 ports of bridge rectifier by capacitance and piezoelectric patches branch pair
It should connect, make that device is easy to connect, performance is stablized.
Preferably, piezoelectricity energy-collecting device further includes heater and single-pole double-throw switch (SPDT), the plug-in strip and bridge of single-pole double-throw switch (SPDT)
The ports A of rectifier connect, and the first contact of single-pole double-throw switch (SPDT) and one end of capacitance connect, and the second of single-pole double-throw switch (SPDT) touches
Head is connect with one end of heater, and the other end of capacitance and the other end of heater are connect with the C-terminal mouth of bridge rectifier.Addition
Heater can realize that mechanical energy is converted into thermal energy, and storage electric energy or release thermal energy then may be selected in single-pole double-throw switch (SPDT), i.e. energy turns
Change more flexible.
The elastic material for being preferably made from arc-like sheet is one kind in memory metal, rubber, thermoplastic elastomer (TPE).
It is further preferred that the elastic material that arc-like sheet is made is memory metal.Since memory metal has unique shape
The strain value of memory effect and super elastic properties, recovery is very big.And the elasticity modulus of memory metal increases with temperature and is increased,
So remaining to that high elastic modulus, this characteristic is kept to make the scope of application of the piezoelectricity energy-collecting device of design more at relatively high temperatures
Extensively, the service life is longer.
Description of the drawings
Fig. 1 is a kind of circuit connection diagram of embodiment of piezoelectricity energy-collecting device of the present invention.
Fig. 2 is the partial sectional schematic view of the piezoelectricity collection energy unit of piezoelectricity energy-collecting device of the present invention.
Fig. 3 is the structural schematic diagram of piezoelectricity energy-collecting device of the present invention.
Fig. 4 is a kind of adjacent enlarged diagram of connection type of upper layer and lower layer piezoelectricity collection energy unit of the present invention.
Fig. 5 is the enlarged diagram of the adjacent upper layer and lower layer piezoelectricity collection energy unit another kind connection type of the present invention.
Fig. 6 is the circuit connection diagram of another embodiment of piezoelectricity energy-collecting device of the present invention.
As shown in the figure, 1, piezoelectric mounts, 1.1, piezoelectricity collection energy unit, 1.2, lower plate, 1.3, arc-like sheet, 1.4, inner wall piezoelectricity
Piece, 1.5, outer wall piezoelectric patches, 1.6, upper plate, 2, bridge rectifier, 3, capacitance, 4, heater, 5, lower connecting plate, 5.1, upper protrusion,
6, single-pole double-throw switch (SPDT), 7, dovetail type groove, 8, upper junction plate, 8.1, lower convexity, 9, dovetail type raised line, 10, C-shaped ring button.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of embodiment of piezoelectricity energy-collecting device of the present invention, it includes that piezoelectric mounts 1, bridge are whole
Device 2 and capacitance 3 are flowed, bridge rectifier 2 and capacitance 3 are connected.
Piezoelectric mounts 1 include multi-layer piezoelectric collection energy unit 1.1, each piezoelectricity collection energy unit 1.1 include upper plate 1.6,
Lower plate 1.2 is fixed with multiple arc-like sheet 1.3 made of elastic material between upper plate 1.6 and lower plate 1.2.Arc-like sheet 1.3, which divides, is
Symmetrical two groups, 1.3 equal excurvation of all arc-like sheets.Arc-like sheet 1.3 is by memory metal, thermoplastic elastic body system
At.
Adjacent upper layer and lower layer piezoelectricity collection energy unit 1.1 connects, first the bottom of the lower plate 1.2 of upper layer piezoelectricity collection energy unit 1.1
Face is fixed with lower connecting plate 5, and the top surface of the upper plate 1.6 of lower layer's piezoelectricity collection energy unit 1.1 is fixed with upper junction plate 8, adjacent
There are two types of the specific connection types of upper layer and lower layer piezoelectricity collection energy unit 1.1.A kind of connection type such as Fig. 4：The top of upper junction plate 8
Edge is equipped with dovetail type raised line 9, and the lower edge of lower connecting plate 5 is equipped with dovetail type groove 7 corresponding with dovetail type raised line 9, dovetail
Formula raised line 9 is inserted into dovetail type groove 7.Another connection type such as Fig. 5：The both ends of upper junction plate 8 be equipped with it is downward under it is convex
Play 8.1, the both ends of lower connecting plate 5 are equipped with upward upper raised 5.1, lower convexity 8.1 and positioned at same end upper raised 5.1 through C
Shape latch closure 10 fastens.The present invention is using three lamination electricity collection energy units 1.1, it is of course possible to use two layers, four layers, five layers etc.；May be used also
With only with one layer, there is no need to upper junction plates 8 and lower connecting plate 5 for a lamination electricity collection energy unit 1.1.In addition, multi-layer piezoelectric collection
The connection of energy unit 1.1 can not also use upper junction plate 8 and lower connecting plate 5, but directly by upper layer piezoelectricity collection energy unit 1.1
Lower plate 1.2 is Nian Jie with the upper plate 1.6 of lower layer piezoelectricity collection energy unit 1.1.
The inner wall insulation of arc-like sheet 1.3 is fixed with multiple inner wall piezoelectric patches 1.4, and the outer wall insulation of arc-like sheet 1.3 is fixed with
Multiple outer wall piezoelectric patches 1.5.1.3 inner wall of arc-like sheet refers to the curved surface close to the arc center of circle, and 1.3 outer wall of arc-like sheet refers to far from curved circular
The curved surface of the heart.Piezoelectric patches refers to that arc-like sheet 1.3 and piezoelectric patches are non-conductive with the insulation fixation of arc-like sheet 1.3, specifically, if arc
Piece 1.3 uses memory metal, then piezoelectric patches is sticked in the inner and outer wall of arc-like sheet 1.3 by insulating cement；If arc-like sheet 1.3 uses
Thermoplastic elastic body does not limit the colloidal materials pasted then, only piezoelectric patches need to be fixed on arc-like sheet 1.3 inner wall and
Outer wall.
Bridge rectifier 2 is 4 mouthfuls of formulas, and one end of capacitance 3 is connect with the ports A of bridge rectifier 2, the other end and bridge of capacitance 3
The C-terminal mouth of rectifier 2 connects.1.4 branch both ends of inner wall piezoelectric patches are connect with the ports B of bridge rectifier 2 and the ports D respectively, outside
1.5 branch both ends of wall piezoelectric patches are also connect with the ports B of bridge rectifier 2 and the ports D respectively.
The quantity of arc-like sheet 1.3, the number of plies of piezoelectricity collection energy unit 1.1 can choose positive integer appropriate, arc as needed
The radius size of piece 1.3 changes with application demand；The elastic material of piezoelectric smart material and arc-like sheet 1.3 can be selected according to application environment
It takes；On arc-like sheet 1.3, the paste position and bonding method of piezoelectric patches can be different according to actual needs, this species diversity
Selection more flexible in application meet actual demand.
As shown in fig. 6, another embodiment of piezoelectricity energy-collecting device of the present invention, the structure and electricity of its piezoelectric mounts 1
Hold 3, inner wall piezoelectric patches branch, outer wall piezoelectric patches branch and bridge rectifier 24 ports connection type and above-described embodiment
Identical, the difference is that, piezoelectricity energy-collecting device further includes heater 4 and single-pole double-throw switch (SPDT) 6, hilted broadsword with above-described embodiment
The plug-in strip of commutator 6 is connect with the ports A of bridge rectifier 2, and the first contact of single-pole double-throw switch (SPDT) 6 connects with one end of capacitance 3
It connects, the second contact of single-pole double-throw switch (SPDT) 6 is connect with one end of heater 4, the other end of the other end and heater 4 of capacitance 3
It is connect with the C-terminal mouth of bridge rectifier 2.
The piezoelectricity energy-collecting device of above-mentioned addition heater can be set to sole, convert mechanical energy to electricity collection first
To capacitance, then heater is utilized to export thermal energy to sole, this piezoelectricity energy-collecting device for shoes is a kind of buffer shock-absorbing
Collection energy heating installation can be effectively protected human knee joint, ankle arthrosis in walking or running jump process；It will collect simultaneously
To mechanical energy be converted into electric energy, then export thermal energy, give foot's heating, foot's heating is realized when cold environment is gone on a journey.
The piezoelectricity energy-collecting device of the present invention can be used for the damping device of automobile, which can run at high speed automobile
When caused by pavement roughness shake mechanical energy be converted to electric energy, can so weaken harmful vibration and be cleaned
Electric energy.
Claims (7)
1. a kind of piezoelectricity energy-collecting device, it is characterised in that：It includes piezoelectric mounts (1), bridge rectifier (2) and capacitance (3), and bridge is whole
Flow device (2) and capacitance (3) electrical connection；Piezoelectric mounts (1) include at least one layer of piezoelectricity collection energy unit (1.1), piezoelectricity collection energy unit
(1.1) include upper plate (1.6), lower plate (1.2), be fixed with and multiple be made of elastic material between upper plate (1.6) and lower plate (1.2)
Arc-like sheet (1.3), the inner wall insulation of arc-like sheet (1.3) is fixed with multiple inner wall piezoelectric patches (1.4), arc-like sheet (1.3) it is outer
Wall insulation is fixed with multiple outer wall piezoelectric patches (1.5)；Multiple inner wall piezoelectric patches (1.4) series connection of each arc-like sheet (1.3) inner wall
It is electrically connected with bridge rectifier (2) at after inner wall piezoelectric patches branch, multiple outer wall piezoelectric patches of each arc-like sheet (1.3) outer wall
(1.5) it is connected into after outer wall piezoelectric patches branch and is also electrically connected with bridge rectifier (2).
2. piezoelectricity energy-collecting device according to claim 1, it is characterised in that：Arc-like sheet (1.3) is divided into symmetrical two groups, institute
There is arc-like sheet (1.3) equal excurvation.
3. piezoelectricity energy-collecting device according to claim 1, it is characterised in that：Piezoelectricity integrates energy unit (1.1) as multilayer, and often lamination is electric
The lower plate (1.2) of collection energy unit (1.1) is connect with the upper plate (1.6) of lower layer's piezoelectricity collection energy unit (1.1).
4. piezoelectricity energy-collecting device according to claim 3, it is characterised in that：The connection refers to upper layer piezoelectricity collection energy unit
(1.1) bottom surface of lower plate (1.2) is fixed with lower connecting plate (5), the top of the upper plate (1.6) of lower layer's piezoelectricity collection energy unit (1.1)
Face is fixed with upper junction plate (8)；The top edge of upper junction plate (8) is equipped with dovetail type raised line (9), the lower edge of lower connecting plate (5)
Equipped with dovetail type groove (7) corresponding with dovetail type raised line (9), dovetail type raised line (9) is inserted into dovetail type groove (7).
5. piezoelectricity energy-collecting device according to claim 3, it is characterised in that：The connection refers to upper layer piezoelectricity collection energy unit
(1.1) bottom surface of lower plate (1.2) is fixed with lower connecting plate (5), the top of the upper plate (1.6) of lower layer's piezoelectricity collection energy unit (1.1)
Face is fixed with upper junction plate (8)；The both ends of upper junction plate (8) are equipped with downward lower convexity (8.1), and the two of lower connecting plate (5)
End is equipped with upward upper raised (5.1), each lower convexity (8.1) and positioned at same end upper raised (5.1) through a C-shaped ring button
(10) it fastens.
6. piezoelectricity energy-collecting device according to claim 1, it is characterised in that：Bridge rectifier (2) is 4 mouthfuls of formulas, the both ends of capacitance (3)
It is connect respectively with the ports A of bridge rectifier (2) and C-terminal mouth；The both ends of each inner wall piezoelectric patches branch respectively with bridge rectifier (2)
The ports B connected with the ports D, the both ends of each outer wall piezoelectric patches branch also respectively with the ports B of bridge rectifier (2) and the ports D
Connection.
7. piezoelectricity energy-collecting device according to claim 1, it is characterised in that：Piezoelectricity energy-collecting device further includes heater (4) and list
The plug-in strip of double-pole double throw switch (6), single-pole double-throw switch (SPDT) (6) is connect with the ports A of bridge rectifier (2), single-pole double-throw switch (SPDT) (6)
First contact is connect with the one end of capacitance (3), and the second contact of single-pole double-throw switch (SPDT) (6) is connect with one end of heater (4), electricity
The other end of the other end and heater (4) that hold (3) is connect with the C-terminal mouth of bridge rectifier (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094617.2A CN108390448A (en) | 2018-01-31 | 2018-01-31 | Piezoelectricity energy-collecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094617.2A CN108390448A (en) | 2018-01-31 | 2018-01-31 | Piezoelectricity energy-collecting device |
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| Publication Number | Publication Date |
|---|---|
| CN108390448A true CN108390448A (en) | 2018-08-10 |
Family
ID=63074235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810094617.2A Pending CN108390448A (en) | 2018-01-31 | 2018-01-31 | Piezoelectricity energy-collecting device |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042677U (en) * | 1988-12-31 | 1989-08-16 | 贺和平 | Electronic warm shoes |
| EP1436847A1 (en) * | 2001-08-20 | 2004-07-14 | Ocean Power Technologies, Inc. | Sensors for power conversion systems |
| CN1985381A (en) * | 2004-10-21 | 2007-06-20 | 米其林技术公司 | Miniaturized piezoelectric based vibrational energy collector |
| CN107332462A (en) * | 2017-07-25 | 2017-11-07 | 中山大学 | The self-powered piezoelectric vibration energy that can track maximum power point extracts circuit |
| CN107623463A (en) * | 2017-10-24 | 2018-01-23 | 安徽理工大学 | Bistable Piezoelectric Energy Recovery Device |
-
2018
- 2018-01-31 CN CN201810094617.2A patent/CN108390448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2042677U (en) * | 1988-12-31 | 1989-08-16 | 贺和平 | Electronic warm shoes |
| EP1436847A1 (en) * | 2001-08-20 | 2004-07-14 | Ocean Power Technologies, Inc. | Sensors for power conversion systems |
| CN1985381A (en) * | 2004-10-21 | 2007-06-20 | 米其林技术公司 | Miniaturized piezoelectric based vibrational energy collector |
| CN107332462A (en) * | 2017-07-25 | 2017-11-07 | 中山大学 | The self-powered piezoelectric vibration energy that can track maximum power point extracts circuit |
| CN107623463A (en) * | 2017-10-24 | 2018-01-23 | 安徽理工大学 | Bistable Piezoelectric Energy Recovery Device |
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Application publication date: 20180810 |