CN108832844A - A kind of direction vibration energy collecting system based on piezoelectric element - Google Patents
A kind of direction vibration energy collecting system based on piezoelectric element Download PDFInfo
- Publication number
- CN108832844A CN108832844A CN201810894177.9A CN201810894177A CN108832844A CN 108832844 A CN108832844 A CN 108832844A CN 201810894177 A CN201810894177 A CN 201810894177A CN 108832844 A CN108832844 A CN 108832844A
- Authority
- CN
- China
- Prior art keywords
- piezoelectric element
- vertical
- energy
- cavity
- vibration energy
- 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.)
- Granted
Links
- 238000004146 energy storage Methods 0.000 claims abstract description 12
- 239000000463 material Substances 0.000 claims description 30
- 239000000919 ceramic Substances 0.000 claims description 20
- 229910052751 metal Inorganic materials 0.000 claims description 19
- 239000002184 metal Substances 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 10
- 238000003306 harvesting Methods 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000013461 design Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 229910001325 element alloy Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- 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 a kind of direction vibration energy collecting system based on piezoelectric element, including：Multiple road modules, circuit module and energy-storage module；Wherein, it is electrically connected between multiple road modules and circuit module, is electrically connected between circuit module and energy-storage module；The road module includes：Stress layer, elastic layer, support unit, vertical vibrating energy collection unit and horizontal vibration energy collection unit.Energy collecting system of the invention can effectively collect the energy vertically and horizontally generated in road simultaneously, improve the efficiency of collection of energy by setting vertical vibrating energy collection unit and horizontal vibration energy collection unit.
Description
Technical field
The present invention relates to a kind of direction vibration energy collecting system based on piezoelectric element, is belonged to and is generated using piezoelectric effect
The field of electric energy.
Background technique
Along with the increasingly increase of the sustainable growth of energy-consuming and energy resources distribution concentration degree, energy resources are striven
Taking by force will be growing more intense, and the mode of contention is also more complicated.Meanwhile fossil energy will to the pollution of environment and the influence of global climate
It is on the rise.In face of energy challenge, only adjustment national energy structure, new energy and renewable energy, emphasis pair are greatly developed
The recycling of the existing energy just can guarantee China's the energy safety of supply, promote strategic emerging industries development, realize the energy with
Economical, society, environment coordinated development and sustainable development.In today that magnitude of traffic flow net grows stronger day by day, how automobile, from
Driving, pedestrian etc. in road traffic scatter and disappear collection of energy and be used, have become one that energy recovery utilizes it is fine
New breakthrough point, is increasingly subject to the attention of scientists from all over the world.
The currently used method for collecting road energy is to be incited somebody to action based on piezoelectric effect using the piezoelectric effect of piezoelectric material
Since the mechanical energy that shock and vibration generate is converted by piezoelectric vibrator to electric energy, output power is made to can satisfy requirement.
There can be series of advantages using road energy collecting device, such as energy density height, can directly generate suitable voltage, be not necessarily to
Apply starting voltage, structure is designed without limitation, no electromagnetic interference etc..Based on these advantages, technique is rapidly developed.Together
The key lab of the Road and Traffic Engineering Ministry of Education of Ji university, has studied the bituminous pavement collection of energy skill based on piezoelectric effect
The feasibility and conversion efficiency of art, the verification experimental verification feasibility of piezoelectric type road surface energy collection technology scheme.The one of Israel
Company announced to have developed the road surface energy collecting system based on PZT (piezoelectric transducer) in 2008.These above-mentioned collection of energy systems
Altogether same feature is the piezoelectric element by being arranged under road surface, collects road vibration in the vertical direction, and convert
For utilization of power.It, can not but for the vibrational energy of the vibrational energy in other directions present in road, such as horizontal direction
Effectively utilized.
Summary of the invention
The technical problem to be solved by the present invention is to：In view of the defects existing in the prior art, it provides a kind of based on piezoelectric element
Direction vibration energy collecting system, can effectively collect simultaneously in road in the vertically and horizontally upper vibration generated
It is dynamic, and it is translated into utilization of power, the collection efficiency of vibrational energy is improved, is had to energy-saving and emission-reduction and utilizing for green energy resource
It is significant.
Used technical solution is as follows to solve above-mentioned technical problem by the present invention：
A kind of direction vibration energy collecting system based on piezoelectric element provided by the invention, including：Multiple road modules,
Circuit module and energy-storage module；Wherein, be electrically connected between multiple road modules and circuit module, circuit module and energy-storage module it
Between be electrically connected；The road module includes：Stress layer, elastic layer, support unit, vertical vibrating energy collection unit and horizontal vibration
Energy collector unit；Wherein, the bottom surface of the stress layer is connected with the top surface of the elastic layer, the bottom surface of the elastic layer
Be separately connected with the top surface of the support unit and the top surface of the vertical vibrating energy collection unit, the support unit and
The vertical vibrating energy collection unit is in the spaced staggered arrangement in the bottom surface of the elastic layer, the support unit and described
The horizontal vibration energy collection unit is connected between vertical vibrating energy collection unit；Wherein, the vertical vibrating energy
The vertical piezoelectric element for collecting vertical direction vibrational energy is provided in collector unit；Meanwhile the horizontal vibration energy
The horizontal piezoelectric element for collecting horizontal direction vibrational energy is provided in collector unit；The vertical piezoelectric element and described
Horizontal piezoelectric element is electrically connected between circuit module.
Further, the horizontal vibration energy collection unit is arranged in the support unit and the vertical vibrating energy
Between collector unit；Wherein, one end passes through the first linking arm and the support unit and the vertical vibrating energy collection unit
Among one be connected, the other end by the second linking arm and the support unit and the vertical vibrating energy collection unit it
In another be connected；The horizontal vibration energy collection unit includes：The first side wall being connect with first linking arm, with
The second sidewall of the second linking arm connection, the top being connected respectively with the top of the first side wall and the second sidewall
Portion, and the bottom being connected respectively with the bottom end of the first side wall and the second sidewall；The first side wall, described
Two side walls, the top connect to form frame structure with the bottom, and cavity is formed inside the frame structure；The horizontal vibration
Energy collector unit further includes：It is connect with the first side wall, it is described positioned at the first flexible connector of the inside cavity
The free end far from the first side wall of first flexible connector is connected with the first ticker；And with the second sidewall
Connection, positioned at the second flexible connector of the inside cavity, the separate second sidewall of second flexible connector
Free end is connected with the second ticker；The horizontal vibration energy collection unit further includes：Positioned at first ticker and institute
State the horizontal piezoelectric element for being used to collect horizontal direction vibrational energy between the second ticker.
Further, the horizontal piezoelectric element includes：Piezoelectric ceramic piece at the chamber central axis and point
It Wei Yu not metal cap at left and right sides of the piezoelectric ceramic piece；Wherein, the upper end of the piezoelectric ceramic piece is connected with the top
It connects, the lower end of the piezoelectric ceramic piece is connected with the bottom；The top and bottom of the metal cap respectively with the piezoelectricity
The top and bottom of potsherd are connected, and the centre of the metal cap is formed to the direction protrusion far from the piezoelectric ceramic piece
Lug boss.
Further, the raised profile towards the cavity is formed on the top, and the raised profile is about the cavity
Central axis it is symmetrical；First ticker and second ticker vibrate back and forth horizontally in the cavity, close
The extreme position of the central axis is contacted with the raised profile respectively, meanwhile, respectively to convex among the metal cap
The portion of rising forms pressure.
Further, first ticker and second ticker are spherical.
Further, hollow cavity is formed inside the vertical vibrating energy collection unit, be arranged in the cavity
There is the vertical piezoelectric element；The vertical piezoelectric element is arc-shaped, and the top of circular arc is contacted with the roof of cavity, circular arc
One end is fixedly connected with the bottom of the cavity, and the other end activity of circular arc is resisted against the bottom of the cavity；Wherein, described perpendicular
Vertical compression electric device consists of three layers, and is from top to bottom followed successively by the aluminium alloy material bed of material, piezoceramic material layer and the stainless steel bed of material.
Further, as a kind of mode of texturing, the vertical vibrating energy collection unit inside forms hollow cavity,
It is provided with the vertical piezoelectric element in the cavity；The vertical piezoelectric element is cantilever beam structure, and institute is fixed in one end
The side wall of cavity is stated, the other end is free end；Downwardly convex portion is vertically provided at the top of the cavity, it is described downwardly convex
Portion and the free end of the vertical piezoelectric element abut against；Wherein, the vertical piezoelectric element is constituted by two layers, from top to bottom according to
Secondary is piezoceramic material layer and elastomeric layer；Bullet is provided between the vertical piezoelectric element and the bottom of the cavity
Spring.
Further, the pavement markers being made of electroluminescent cell, institute are embedded in the upper face of the road module
It states and is electrically connected between pavement markers and the energy-storage module.
Compared with prior art, the present invention having beneficial effect below：
1. energy collecting system of the invention is made of multiple road modules, road module can according to actual needs flexibly
Assembling, splicing, improve the popularity and flexibility of system application, have and be laid with convenient, applied widely advantage.
2. energy collecting system of the invention passes through setting vertical vibrating energy collection unit and horizontal vibration collection of energy
Unit can effectively collect the vibrational energy vertically and horizontally generated in road simultaneously, improve energy receipts
The efficiency of collection.
3. in vertical vibrating energy collection unit and horizontal vibration energy collection unit of the invention, being all made of novel only
Invasive structure design, can effectively extend the service life of piezoelectric element, improve the reliability of system, reduce system
The cost of application.
Detailed description of the invention
Fig. 1 is that a kind of system of direction vibration energy collecting system based on piezoelectric element according to the present invention constitutes signal
Figure.
Fig. 2 is a kind of road module of the direction vibration energy collecting system based on piezoelectric element according to the present invention, is shown
The support unit for showing a road module bottom, vertical vibrating energy collection unit and the horizontal vibration collection of energy of meaning property
Unit.
Fig. 3 is Fig. 2 along the cross-sectional view in the direction A-A, schematically shows support unit, vertical vibrating energy collection unit
With horizontal vibration energy collection unit.
Fig. 4 is a kind of structural schematic diagram of embodiment of horizontal vibration energy collection unit according to the present invention.
Fig. 5 is a kind of structural schematic diagram of embodiment of vertical vibrating energy collection unit according to the present invention.
Fig. 6 is the structural schematic diagram of another embodiment of vertical vibrating energy collection unit according to the present invention.
Fig. 7 is the top view of a road module according to the present invention, schematically shows a kind of pavement markers.
Specific embodiment
Further description and explanation are made to the present invention below with reference to examples and drawings, but protected not as to the present invention
Protect the limitation of range.
Referring to Fig.1, the direction vibration energy collecting system of the invention based on piezoelectric element includes：Multiple road modules
100, circuit module and energy-storage module；Wherein, it is electrically connected between multiple road modules 100 and circuit module, circuit module and storage
It can be electrically connected between module.The shape of road module 100 of the invention can be square, rectangle, parallelogram, water chestnut
Shape, hexagon and irregular geometry etc..In practical application, multiple road modules 100 of the invention are according to paving
If size determine the quantity needed, each road module 100 is connected to each other laying, flexible group according to actual needs
Dress, splicing, improve the popularity and flexibility of system application, are laid with convenient, applied widely advantage to have.
Vertical piezoelectric element and horizontal piezoelectric element, vertical piezoelectric element and water are provided in each road module 100
Concora crush electric device is electrically connected between circuit module, so as to it is effective simultaneously collect the vertical direction generated in road and
The vibrational energy of horizontal direction, and the vibrational energy is transported in energy-storage module by circuit module and is stored, for
Electric device uses.
Referring to Fig. 2 and Fig. 3, Fig. 2 is the view from carrying out from the bottom surface of road module 100, and Fig. 3 is the side A-A along Fig. 2
To cross-sectional view.
From figure 3, it can be seen that road module 100 successively includes from top to bottom：Stress layer 101, elastic layer 102, support
Unit 103, vertical vibrating energy collection unit 104 and horizontal vibration energy collection unit 105.Wherein, the bottom surface of stress layer 101
It is connected with the top surface of elastic layer 102, the bottom surface of elastic layer 102 and the top surface of support unit 103 and vertical vibrating energy are received
The top surface of collection unit 104 is separately connected.From figure 2 it can be seen that support unit 103 and vertical vibrating energy collection unit 104
In the spaced staggered arrangement in the bottom surface of elastic layer 102, connect between support unit 103 and vertical vibrating energy collection unit 104
It is connected to horizontal vibration energy collection unit 105.Wherein, it is vertical for collecting to be provided in vertical vibrating energy collection unit 104
The vertical piezoelectric element of direction vibrational energy；Meanwhile it being provided in horizontal vibration energy collection unit 105 for collecting level side
To the horizontal piezoelectric element of vibrational energy；Vertical piezoelectric element and horizontal piezoelectric element are electrically connected between circuit module.It needs
It is noted that in figure 2 and figure 3, vertical vibrating energy collection unit 104 and horizontal vibration energy collection unit 105 are
It schematically represents, their structure will be described in detail later.
In road module 100, stress layer 101 is fitted by being able to bear certain pressure with certain hardness and strength
Preferably it is used as the material on road surface to be made.The present invention is not particularly limited the material of stress layer 101, at present in road and people's row
In the construction in road, it can be used for being laid with road surface or manufacturing a variety of materials of pavement brick.Elastic layer 102 can use rubber
There is the material of certain elasticity to be made for glue, foamed material etc., provides certain elastic force for the entirety of road module 100, improves
Comfort level of the pedestrian when walking or running above, this is for being laid with pavement or running using road module 100 of the invention
In the application in road, there is particularly apparent advantage.Similar, support unit 103 is also suitable for using rubber, foamed material on the whole
It is made Deng the material with certain elasticity, while improving 100 integral, flexible of road module, is also more conducive in road module
It generates to be passed through as vehicles or pedestrians in 100 and be vibrated caused by road module 100, improve the Collection utilization efficiency of energy.
Referring to Fig. 4, it is shown that a kind of specific constructive form of horizontal vibration energy collection unit 105 of the invention.It is horizontal
Vibration energy harvesting unit 105 is arranged between two adjacent support units 103 and vertical vibrating energy collection unit 104.
Wherein, left end is connected by the first linking arm 201 with vertical vibrating energy collection unit 104, and right end passes through the second linking arm 202
It is connected with support unit 103.Wherein, the first linking arm 201 and the second linking arm 202 can be by having the material system of certain elasticity
At, while the first linking arm 201 and the second linking arm 202 should also have certain strength and stiffness, be located at enough supports
Horizontal vibration energy collection unit 105 between the two.
Referring to Fig. 4, horizontal vibration energy collection unit 105 includes：The first side wall 203 being connect with the first linking arm 201,
The second sidewall 204 connecting with the second linking arm 202 is connected with the top of the first side wall 203 and second sidewall 204 respectively
Top 205, and the bottom 206 being connected respectively with the bottom end of the first side wall 203 and second sidewall 204；The first side wall 203,
Second sidewall 204, top 205 and the connection of bottom 206 form frame structure, form cavity C inside frame structure.Horizontal vibration energy
Measuring collector unit 105 further includes：It is connect with the first side wall 203, the first flexible connector 207 inside cavity C, the first bullet
The free end (right end of the first flexible connector 207 in Fig. 4) of the separate the first side wall 203 of property connector 207 is connected with first
Ticker 209；And connect with second sidewall 204, the second flexible connector 208 inside cavity C, the second elasticity is even
The free end (left end of the second flexible connector 208 in Fig. 4) of the separate second sidewall 204 of fitting 208 is connected with the second vibration
Son 210.In the embodiment shown in fig. 4, flexible connector 207 and 208 is spring, and ticker 209 and 210 is with one
The rigid spheres of quality are determined, for example, stainless steel ball, copper ball etc..The size of ticker 209 and 210 is identical, and quality is equal, in bottom
On 206, the vibration that induction road surface is transmitted is vibrated back and forth in the horizontal direction under the traction of spring 207 and 208.
Horizontal vibration energy collection unit 105 further includes：Between the first ticker 209 and the second ticker 210
For collecting the horizontal piezoelectric element of horizontal direction vibrational energy.Horizontal piezoelectric element includes：At cavity C central axis A1
Piezoelectric ceramic piece 211 and be located at the metal cap 212 and 213 of the left and right sides of piezoelectric ceramic piece 211；Wherein, piezoelectric ceramics
The upper end of piece 211 is connected with top 205, and the lower end of piezoelectric ceramic piece 211 is connected with bottom 206；Metal cap 212 and 213
Top and bottom be connected respectively with the top and bottom of piezoelectric ceramic piece 211, the centre of metal cap 212 and 213 formed to
Far from piezoelectric ceramic piece 211 direction protrude lug boss, thus the middle section of the longitudinal direction of metal cap 212 and 213 with
The separation of 211 phase of piezoelectric ceramic piece constitutes the structure of similar cap.When ticker 209 and 210 moves in cavity C
When the extreme position of mandrel line A1, ticker 209 and 210 is contacted with metal cap 212 and 213 respectively, and to 212 He of metal cap
213 form certain pressure.In this way, when ticker 209 and 210 vibrates back and forth on bottom 206, it will be to horizontal piezoelectricity member
Part generates pressure effect, to generate electric current in horizontal piezoelectric element, electric current is by being connected to the conducting wire of piezoelectric ceramic piece 211
(not showing in Fig. 4) is transferred to circuit module.
In the present invention, it in order to which the pressure to ticker 209 and 210 pair metal cap 212 and 213 limits, avoids shaking
The excessive damage for causing horizontal piezoelectric element of the impact force of mover 209 and 210 pair metal cap 212 and 213, to horizontal vibration energy
The structure at the top 205 of collector unit 105 is made that special design.Wherein, the protrusion wheel towards cavity C is formed on top 205
Exterior feature, the raised profile 2051 of left side and the raised profile 2052 of right side are symmetrical about the central axis A1 of cavity C；First vibration
When mover 209 and the second ticker 210 vibrate back and forth horizontally in cavity C, in the extreme position close to central axis A1, divide
It is not contacted with raised profile 2051 and 2052, meanwhile, certain pressure is formed to the lug boss among metal cap 212 and 213 respectively
Power.Due to the presence of raised profile 2051 and 2052, cavity C forms the cross sectional shape that both ends are big, centre is small, for ticker
209 and 210 constitute limitation to the movement of the central axis A1 of cavity C, so that ticker 209 and 210 is for metal cap
212 and 213 pressure is restricted.In the present invention, sphere ticker 209 and 210, raised profile 2051 and 2052 size
Design is matched, so that when ticker 209 and 210 is moved to respectively close to the extreme position of the central axis A1 of cavity C, energy
Enough that certain pressure is formed to metal cap 212 and 213, which is enough to generate electric current in horizontal piezoelectric element, while again not
Meeting damage level piezoelectric element, to play a protective role to horizontal piezoelectric element, extend horizontal piezoelectric element uses the longevity
Life.It is matched with this, when ticker 209 and 210 moves to the extreme position of the central axis A1 close to cavity C respectively
When, spring 207 and 208 also lies substantially in the state of nature stretching, extension.
Fig. 5 shows a kind of specific structure of embodiment of vertical vibrating energy collection unit 104 according to the present invention.Its
In, vertical vibrating energy collection unit 104 constitutes the shell of periphery by elastic material substantially, and inside forms hollow cavity
300.Vertical piezoelectric element is provided in cavity 300, vertical piezoelectric element is arc-shaped, top and the cavity 300 of circular arc
Roof contact, one end 304 of circular arc are fixedly connected with the bottom of cavity 300, and the other end activity of circular arc is resisted against cavity 300
Bottom.Wherein, vertical piezoelectric element consists of three layers, and is from top to bottom followed successively by the aluminium alloy material bed of material 301, piezoceramic material layer
302 and the stainless steel bed of material 303.The present invention is respectively arranged aluminium in the upper and lower of piezoceramic material layer 302 of vertical piezoelectric element
Alloy material layer 301 and the stainless steel bed of material 303 can guarantee 302 induction vibration of piezoceramic material layer, generate electric current
Under the premise of, the resistance to of 302 pairs of repeated stock power of piezoceramic material layer or unexpected large impact power is improved to a certain extent
By property, to play a protective role to piezoceramic material layer 302, the service life of piezoceramic material layer 302 is extended.When
When vertical vibrating energy collection unit 104 is generated vibration by the pressure from road surface, which is passed by the roof of cavity 300
It is directed at vertical piezoelectric element, to generate vibration wherein, and generates electric current accordingly, electric current is by being connected to piezoelectric ceramics material
The conducting wire (not showing in Fig. 5) of the bed of material 302 is transferred to circuit module.
Fig. 6 shows the specific structure of another embodiment of vertical vibrating energy collection unit 104 according to the present invention.
Wherein, vertical vibrating energy collection unit 104 constitutes the shell of periphery by elastic material substantially, and inside forms hollow cavity
400.Vertical piezoelectric element is provided in cavity 400, vertical piezoelectric element is cantilever beam structure, and cavity 400 is fixed in one end
Side wall, the other end is free end；Be vertically provided with downwardly convex portion 401 from the top of cavity 400, downwardly convex portion 401 with
The free end of vertical piezoelectric element abuts against.Wherein, vertical piezoelectric element is constituted by two layers, is from top to bottom followed successively by piezoelectric ceramics
Material layer 402 and elastomeric layer 403；Spring 404 is provided between vertical piezoelectric element and the bottom of cavity 400.Spring
404 natural spread length is identical as mounting height of the vertical piezoelectric element in cavity 400.When vertical vibrating collection of energy list
When member 104 is generated vibration by the pressure from road surface, which is conducted by downwardly convex portion 401 to vertical piezoelectric element,
To generate vibration wherein, and electric current is generated accordingly, electric current is by being connected to conducting wire (Fig. 6 of piezoceramic material layer 402
In do not show) be transferred to circuit module.Due to the presence of spring 404, generated in the effect of being under pressure of vertical piezoelectric element
When downward bending, spring 404 is compressed, to generate the power for jacking vertical piezoelectric element upwards, this avoids vertical pressures
Electric device is generated excessive deformation by excessive downward pressure, leads to the damage of vertical piezoelectric element.
Fig. 7 is the top view of a road module according to the present invention, schematically shows a kind of pavement markers.In reality
In the application of border, the pavement markers 500 being made of electroluminescent cell, pavement markers are embedded in the upper face of road module 100
It is electrically connected between 500 and energy-storage module.It can according to need in this way, by the electrical energy transportation stored in energy-storage module to pavement markers
500, to form the pavement markers 500 that can be shone at night, eye-catching suggesting effect is played for vehicle, pedestrian etc..In Fig. 7
In show the pavement markers of arrow, certainly, which is also possible to such as crossing, stop line, lane, number
Deng.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of direction vibration energy collecting system based on piezoelectric element, including：
Multiple road modules (100), circuit module and energy-storage module；Wherein, between multiple road modules (100) and circuit module
Electrical connection, is electrically connected between circuit module and energy-storage module；
The road module (100) includes：Stress layer (101), elastic layer (102), support unit (103), vertical vibrating energy
Collector unit (104) and horizontal vibration energy collection unit (105)；Wherein, the bottom surface of the stress layer (101) and the elasticity
The top surface of layer (102) is connected, the bottom surface of the elastic layer (102) and the top surface of the support unit (103) and described perpendicular
The top surface of straight vibration energy harvesting unit (104) is separately connected, the support unit (103) and the vertical vibrating collection of energy
Bottom surface spaced staggered arrangement of the unit (104) in the elastic layer (102), the support unit (103) and described vertical
The horizontal vibration energy collection unit (105) is connected between vibration energy harvesting unit (104)；
Wherein, it is provided in the vertical vibrating energy collection unit (104) for collecting the vertical of vertical direction vibrational energy
Piezoelectric element；Meanwhile it being provided in the horizontal vibration energy collection unit (105) for collecting horizontal direction vibrational energy
Horizontal piezoelectric element；The vertical piezoelectric element and the horizontal piezoelectric element are electrically connected between circuit module.
2. the direction vibration energy collecting system according to claim 1 based on piezoelectric element, it is characterised in that：The water
Flat vibration energy harvesting unit (105) is arranged in the support unit (103) and the vertical vibrating energy collection unit (104)
Between；Wherein, one end passes through the first linking arm (201) and the support unit (103) and the vertical vibrating collection of energy list
One among first (104) is connected, and it is the second linking arm (202) and the support unit (103) and described vertical that the other end passes through
Another among vibration energy harvesting unit (104) is connected；
The horizontal vibration energy collection unit (105) includes：The first side wall being connect with first linking arm (201)
(203), the second sidewall (204) being connect with second linking arm (202), respectively with the first side wall (203) and described
The top (205) that the top of second sidewall (204) is connected, and respectively with the first side wall (203) and described second side
The bottom (206) that the bottom end of wall (204) is connected；The first side wall (203), the second sidewall (204), the top
(205) and the bottom (206) connection forms frame structure, forms cavity (C) inside the frame structure；
The horizontal vibration energy collection unit (105) further includes：It is connect with the first side wall (203), is located at the cavity
(C) internal the first flexible connector (207), separate the first side wall (203) of first flexible connector (207)
Free end is connected with the first ticker (209)；And connect with the second sidewall (204), it is internal to be located at the cavity (C)
The second flexible connector (208), second flexible connector (208) far from the second sidewall (204) free end
It is connected with the second ticker (210)；The horizontal vibration energy collection unit (105) further includes：Positioned at first ticker
(209) the horizontal piezoelectric element for being used to collect horizontal direction vibrational energy between second ticker (210).
3. the direction vibration energy collecting system according to claim 2 based on piezoelectric element, it is characterised in that：The water
Concora crush electric device includes：Piezoelectric ceramic piece (211) at the cavity (C) central axis (A1) and it is located at the pressure
Metal cap (212,213) at left and right sides of electroceramics piece (211)；Wherein, the upper end Yu the top of the piezoelectric ceramic piece (211)
Portion (205) is connected, and the lower end of the piezoelectric ceramic piece (211) is connected with the bottom (206)；The metal cap (212,
213) top and bottom are connected with the top and bottom of the piezoelectric ceramic piece (211) respectively, the metal cap (212,
213) centre forms the lug boss protruded to the direction far from the piezoelectric ceramic piece (211).
4. the direction vibration energy collecting system according to claim 2 or 3 based on piezoelectric element, it is characterised in that：
Raised profile towards the cavity (C) is formed on the top (205), and the raised profile (2051,2052) is about institute
The central axis (A1) for stating cavity (C) is symmetrical；First ticker (209) and second ticker (210) are in the chamber
Vibrated back and forth horizontally in body (C), in the extreme position close to the central axis (A1), respectively with the raised profile
(2051,2052) it contacts, meanwhile, pressure is formed to the intermediate lug boss of the metal cap (212,213) respectively.
5. the direction vibration energy collecting system according to claim 4 based on piezoelectric element, it is characterised in that：Described
One ticker (209) and second ticker (210) are spherical.
6. the direction vibration energy collecting system according to any one of claim 1 to 5 based on piezoelectric element, feature
It is：
Hollow cavity (300) is formed inside the vertical vibrating energy collection unit (104), is set in the cavity (300)
It is equipped with the vertical piezoelectric element；The vertical piezoelectric element is arc-shaped, the roof on the top of circular arc and the cavity (300)
Contact, one end (304) of circular arc are fixedly connected with the bottom of the cavity (300), and the other end activity of circular arc is resisted against described
The bottom of cavity (300)；Wherein, the vertical piezoelectric element consists of three layers, and is from top to bottom followed successively by the aluminium alloy material bed of material
(301), piezoceramic material layer (302) and the stainless steel bed of material (303).
7. the direction vibration energy collecting system according to any one of claim 1 to 5 based on piezoelectric element, feature
It is：
Hollow cavity (400) is formed inside the vertical vibrating energy collection unit (104), is set in the cavity (400)
It is equipped with the vertical piezoelectric element；The vertical piezoelectric element is cantilever beam structure, and the side of the cavity (400) is fixed in one end
Wall, the other end are free end；It is vertically provided at the top of the cavity (400) downwardly convex portion (401), it is described downwardly convex
Portion (401) and the free end of the vertical piezoelectric element abut against；Wherein, the vertical piezoelectric element is constituted by two layers, by upper
Piezoceramic material layer (402) and elastomeric layer (403) are followed successively by under；In the vertical piezoelectric element and the cavity
(400) spring (404) are provided between bottom.
8. the direction vibration energy collecting system according to any one of claim 1 to 5 based on piezoelectric element, feature
It is：
The pavement markers (500) being made of electroluminescent cell, the road are embedded in the upper face of the road module (100)
It is electrically connected between face label (500) and the energy-storage module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894177.9A CN108832844B (en) | 2018-08-08 | 2018-08-08 | Bidirectional vibration energy collecting system based on piezoelectric element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810894177.9A CN108832844B (en) | 2018-08-08 | 2018-08-08 | Bidirectional vibration energy collecting system based on piezoelectric element |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108832844A true CN108832844A (en) | 2018-11-16 |
| CN108832844B CN108832844B (en) | 2024-03-26 |
Family
ID=64153713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810894177.9A Active CN108832844B (en) | 2018-08-08 | 2018-08-08 | Bidirectional vibration energy collecting system based on piezoelectric element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108832844B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282593A (en) * | 2019-05-09 | 2019-09-27 | 哈尔滨工业大学 | A kind of piezoelectric energy collecting device of direction vibration |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201854207U (en) * | 2010-10-26 | 2011-06-01 | 温州大学 | Bistable structural piezoelectric energy gathering unit |
| CN102324871A (en) * | 2011-09-22 | 2012-01-18 | 中国科学院上海硅酸盐研究所 | Piezoelectric type energy harvesting unit and application thereof |
| KR101210431B1 (en) * | 2012-04-09 | 2012-12-11 | (주)진우소프트이노베이션 | Road energy harvesting system using piezoelectric moudle |
| CN104362898A (en) * | 2014-10-28 | 2015-02-18 | 中国科学院电子学研究所 | Composite energy collecting device for wind energy and mechanical energy |
| KR20150066170A (en) * | 2013-12-06 | 2015-06-16 | 한국기계연구원 | Energy harvester and self powered wireless sensor module using 2-way compression load |
| CN206211878U (en) * | 2016-09-12 | 2017-05-31 | 武汉理工大学 | Road vibration energy harvesting system based on piezo-electric effect |
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
| CN108199618A (en) * | 2018-01-08 | 2018-06-22 | 华中科技大学 | A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus |
| CN208971413U (en) * | 2018-08-08 | 2019-06-11 | 北京中微融通科技有限公司 | A kind of direction vibration energy collecting system based on piezoelectric element |
-
2018
- 2018-08-08 CN CN201810894177.9A patent/CN108832844B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201854207U (en) * | 2010-10-26 | 2011-06-01 | 温州大学 | Bistable structural piezoelectric energy gathering unit |
| CN102324871A (en) * | 2011-09-22 | 2012-01-18 | 中国科学院上海硅酸盐研究所 | Piezoelectric type energy harvesting unit and application thereof |
| KR101210431B1 (en) * | 2012-04-09 | 2012-12-11 | (주)진우소프트이노베이션 | Road energy harvesting system using piezoelectric moudle |
| KR20150066170A (en) * | 2013-12-06 | 2015-06-16 | 한국기계연구원 | Energy harvester and self powered wireless sensor module using 2-way compression load |
| CN104362898A (en) * | 2014-10-28 | 2015-02-18 | 中国科学院电子学研究所 | Composite energy collecting device for wind energy and mechanical energy |
| CN206211878U (en) * | 2016-09-12 | 2017-05-31 | 武汉理工大学 | Road vibration energy harvesting system based on piezo-electric effect |
| CN107302323A (en) * | 2017-07-10 | 2017-10-27 | 天津大学 | Three-dimensional piezoelectric cantilever beam vibrational energy acquisition system |
| CN108199618A (en) * | 2018-01-08 | 2018-06-22 | 华中科技大学 | A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus |
| CN208971413U (en) * | 2018-08-08 | 2019-06-11 | 北京中微融通科技有限公司 | A kind of direction vibration energy collecting system based on piezoelectric element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110282593A (en) * | 2019-05-09 | 2019-09-27 | 哈尔滨工业大学 | A kind of piezoelectric energy collecting device of direction vibration |
| CN110282593B (en) * | 2019-05-09 | 2022-04-26 | 哈尔滨工业大学 | Bidirectional vibration's piezoelectric energy collection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108832844B (en) | 2024-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201479039U (en) | Piezoelectric power generation device | |
| CN103166503B (en) | A kind of piezoelectric energy trapping device for bus | |
| CN201956927U (en) | Piezoelectric generating set by utilizing frequent tread of human body | |
| JP3790255B1 (en) | ENERGY CONVERSION DEVICE, MOBILE BODY HAVING THE SAME, AND ENERGY CONVERSION SYSTEM | |
| CN101643008B (en) | Energy regeneration device for suspension system | |
| KR20100125282A (en) | Energy harvesting | |
| CN105375818A (en) | Dual-crank arm type piezoelectric-electromagnetic composite power generation device | |
| JP2011511618A (en) | Apparatus, system, and method for recovering power from railroad tracks | |
| CN204139530U (en) | A kind of Novel pressure electric-type electricity-generating floor | |
| CN105932904B (en) | A kind of multi-direction response vibration energy collector | |
| CN104009669A (en) | Piezoelectric floor device of blocking cantilever beam structure | |
| CN102468421A (en) | Piezoelectric power generation module | |
| CN208971413U (en) | A kind of direction vibration energy collecting system based on piezoelectric element | |
| CN101895232A (en) | Piezoelectric energy harvester with elastic element linkage | |
| Wang et al. | Development and application performance of road spring-type piezoelectric transducer for energy harvesting | |
| CN103956934A (en) | Superimposed column type bituminous pavement energy harvesting device | |
| CN108832844A (en) | A kind of direction vibration energy collecting system based on piezoelectric element | |
| CN206948211U (en) | A kind of asphalt roads road surface piezoelectric generating device | |
| CN103269146B (en) | Highway rolling power generating device and array thereof | |
| CN107060262A (en) | A kind of inertia-type piezo-electric generating floor | |
| CN107681919B (en) | One kind being based on d15The road piezoelectric generating device of transducing mode | |
| CN108149539A (en) | A kind of road Power Generation Road panel | |
| CN107620323A (en) | A kind of road surface manhole and its construction method with piezo-electric generating function | |
| CN202586803U (en) | Piezoelectric energy collecting device, piezoelectric energy collecting system and electricity generating shoes using the device | |
| CN206495147U (en) | A kind of piezoelectric type road speed belting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190320 Address after: 100086 Floor 1904, No. 111, 19, Zhichun Road, Haidian District, Beijing Applicant after: BEIJING ZHONGWEI RONGTONG TECHNOLOGY CO.,LTD. Address before: 518116 Nanlian Community Jianxin Road, Longgang Street, Longgang District, Shenzhen City, Guangdong Province Applicant before: ZHONGZHI GUOLIAN (SHENZHEN) TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |