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CN110714420A - Arch piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force - Google Patents

Arch piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force Download PDF

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Publication number
CN110714420A
CN110714420A CN201910747255.7A CN201910747255A CN110714420A CN 110714420 A CN110714420 A CN 110714420A CN 201910747255 A CN201910747255 A CN 201910747255A CN 110714420 A CN110714420 A CN 110714420A
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China
Prior art keywords
arch
deceleration strip
gear
piezoelectric
disc
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Pending
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CN201910747255.7A
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Chinese (zh)
Inventor
王军
刘志明
丁亚光
蔡袁强
符洪涛
王鹏
袁国辉
倪俊峰
高紫阳
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Wenzhou University
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Wenzhou University
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Priority to CN201910747255.7A priority Critical patent/CN110714420A/en
Publication of CN110714420A publication Critical patent/CN110714420A/en
Pending legal-status Critical Current

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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/50Road surface markings; Kerbs or road edgings, specially adapted for alerting road users
    • E01F9/529Road surface markings; Kerbs or road edgings, specially adapted for alerting road users specially adapted for signalling by sound or vibrations, e.g. rumble strips; specially adapted for enforcing reduced speed, e.g. speed bumps
    • 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)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The invention discloses an arched piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force, wherein an external box structure of the energy harvesting deceleration strip comprises an upper deceleration strip and a shell, the shell is embedded into a pavement structure through the upper part of an excavation surface layer, and a rebound mechanism is arranged between the upper deceleration strip and the shell to promote the upper deceleration strip to restore to the original position after being pressed; the power generation mechanism comprises a rack, a gear set and a power generation disc, the rack is arranged at the bottom of the upper deceleration strip and moves up and down along with the upper deceleration strip, the rack is meshed with a first gear, a second gear and a third gear to realize first-stage acceleration, a fourth gear is meshed with a fifth gear to realize second-stage acceleration, and the fifth gear drives the power generation disc to rotate through a third transmission shaft; the power generation disc is formed by a fixed outer disc and a rotating inner disc, the arch crown of the arch-shaped piezoelectric transducer is covered with a fixed rectangular magnet, and the rotating inner disc is provided with magnets with the same size and with opposite poles repelling each other at opposite positions; the arched piezoelectric ceramic is bonded with the upper aluminum sheet layer. The arched piezoelectric ceramic energy-harvesting deceleration strip is smaller in volume and larger in generated energy.

Description

Arch piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force
Technical Field
The invention relates to a piezoelectric power generation deceleration strip, in particular to an arched piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force, and belongs to the field of piezoelectric energy collection and deceleration strip design.
Background
Until the end of 2018, the total road mileage of China breaks through 469.63 kilometers. Huge mechanical vibration energy is dissipated in a road structure, and the conversion of mechanical energy into electric energy by utilizing piezoelectric materials becomes a current research hotspot, but at present, mature piezoelectric conversion technology and actual engineering test research are lacked.
Deceleration strips on the market at present generally do not have the function of autonomous power supply, and although some deceleration strip power generation patents exist, the deceleration strips often face various problems, for example, the power generation of the solar power generation deceleration strips is limited by environmental factors; the embedding volume of the hydraulic power generation deceleration strip is too large, so that the pavement structure is damaged; the generated energy of the piezoelectric power generation deceleration strip is insufficient.
More energy can be collected by utilizing piezoelectric nonlinear broadband energy collection, and mechanical energy generated under the action of one-time vehicle load can be fully utilized; the arched piezoelectric transducer is first in the comparison of the collected energy of various piezoelectric transducers, and the existing two arched piezoelectric transducers of THUNDER and RAINBOW have lower bearing capacity and are not suitable for being used in a road power generation system, so that the self-ground arched piezoelectric transducer has enough bearing capacity and even can be used as a road piezoelectric transducer, the thickness of a spring steel sheet is adjusted, and the bearing capacity can reach 1.5 kN. In addition, the power generation power of the piezoelectric transducer is more than 30 times that of the planar piezoelectric transducer through actual laboratory tests; the liftable formula piezoelectricity deceleration strip is buried underground and is small in size, and is little to the destruction degree on road surface, has great advantage in practical application.
Disclosure of Invention
In view of the defects of the conventional power generation deceleration strip, the invention aims to provide an arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force, wherein the arch-shaped piezoelectric ceramic energy harvesting deceleration strip is smaller in embedding volume and larger in power generation.
In order to solve the problems, the technical scheme of the invention is as follows:
the arched piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force comprises an external box body and a power generation mechanism positioned in the external box body, wherein the external box body structure comprises an upper deceleration strip and a shell, the shell is embedded into a pavement structure through the upper part of an excavation surface layer, and a rebound mechanism is arranged between the upper deceleration strip and the shell to promote the upper deceleration strip to restore to the original position after being pressed; the method is characterized in that: the power generation mechanism comprises a rack, a gear set and power generation discs, the rack is arranged at the bottom of the upper speed reduction belt and moves up and down along with the upper speed reduction belt, the rack is meshed with the first gear, the first gear and the second gear are fixed on the first transmission shaft, the second gear and the third gear are meshed to realize primary acceleration, the third gear and the fourth gear are fixed on the second transmission shaft, the fourth gear and the fifth gear are meshed to realize secondary acceleration, and finally the fifth gear drives the left power generation disc and the right power generation disc to rotate through the third transmission shaft; the first transmission shaft, the second transmission shaft and the third transmission shaft are rotatably connected to the vertical steel plate; the power generation disc consists of a fixed outer disc and a rotary inner disc, a circle of arched piezoelectric transducers are placed on the fixed outer disc, fixed rectangular magnets are covered at the arch tops of the arched piezoelectric transducers, and magnets with the same size and different poles repelling each other are placed on the rotary inner disc in opposite positions; the arch piezoelectric transducer is formed by bonding a spring steel sheet base, arch piezoelectric ceramics and an upper aluminum sheet layer, and the arch piezoelectric ceramics are formed by firing an arch mould with a set curvature.
Further, casing upper portion is provided with the guide slot, the upper portion deceleration strip sets up in the guide slot, the fixed at least three guiding axles that are provided with in upper portion deceleration strip bottom, the epaxial reset spring that has cup jointed of guiding, reset spring's upper end top is in upper portion deceleration strip bottom, the lower extreme top is in casing guide slot bottom, the casing bottom corresponds the guiding axle is provided with the guiding hole, and the guiding axle inserts in the guiding hole.
Furthermore, the fixed outer disc is fixed on the shell through the vertical steel plate.
Furthermore, the fixed outer disc is connected with a spring steel base of the arched piezoelectric transducer through a bolt, and the magnet is fixedly bonded with an upper aluminum sheet.
Furthermore, the arch piezoelectric ceramics of the arch piezoelectric transducer are formed by firing an arch mould with a set curvature, and the spring steel and the aluminum sheet are customized according to the curvature of the arch piezoelectric ceramics.
Furthermore, the number of the magnets of the rotating inner disc corresponds to that of the magnets of the fixed outer disc, and the number of the arched piezoelectric transducers of the rotating inner disc is 14.
Furthermore, the piezoelectric ceramics of the same rotating inner disc are connected in series, and the piezoelectric ceramics of different rotating inner discs are connected in parallel.
Compared with the prior art, the invention has the beneficial effects that:
(1) the piezoelectric nonlinear broadband energy collection can obtain higher excitation frequency, so that more energy can be collected, and mechanical energy generated under the action of one-time vehicle load can be fully utilized.
(2) The acquisition efficiency of the arch piezoelectric transducer is the first among various piezoelectric transducers, the existing two arch piezoelectric transducers of THUNDER and RAINBOW are low in bearing capacity and are not suitable for being used in a road power generation system, therefore, the self-grinding arch piezoelectric transducer is adopted and is formed by bonding a spring steel sheet base, arch piezoelectric ceramics and an upper aluminum sheet layer, and the arch piezoelectric ceramics are formed by firing an arch mould with set curvature, so that the arch piezoelectric ceramics have enough bearing capacity. Even as a piezoelectric transducer for roads, the bearing capacity can reach 1.5kN by adjusting the thickness of the spring steel sheet. In addition, the power generation power of the planar piezoelectric transducer is more than 30 times that of the planar piezoelectric transducer through actual laboratory tests.
(3) Liftable formula piezoelectricity deceleration strip in use can reduce jolting through the vehicle, improves the driving travelling comfort, and secondly it is not big to bury the volume underground, and is little to the destruction degree on road surface, has great advantage in practical application.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an arched piezoelectric ceramic energy-harvesting deceleration strip based on nonlinear magnetic force provided by the invention;
FIG. 2 is a schematic structural view of an upper speed bump of the present invention;
FIG. 3 is a schematic structural view of the power generation mechanism of the present invention;
FIG. 4 is a schematic plan view of the gear assembly of the present invention;
FIG. 5 is a schematic structural view of the fixed outer disk and the rotating inner disk of the present invention;
FIG. 6 is a schematic diagram of the structure of an arcuate piezoelectric transducer of the present invention;
fig. 7 is a schematic overall structure diagram of an arched piezoelectric ceramic energy-harvesting deceleration strip based on a nonlinear magnetic force according to embodiment 2 of the present invention.
The device comprises an upper speed reducing belt 1, an upper speed reducing belt 2, a shell 3, a spring 4, a rack 5, a first gear, a second gear, a 7 gear, a third gear, a 8 gear, a fourth gear, a 9 gear, a fifth gear, a 10 gear, a first transmission shaft, a 11 transmission shaft, a second transmission shaft, a 12 transmission shaft, a third transmission shaft, a 13 gear, a power generation disc 14, a vertical steel plate 15, a fixed outer disc, a 16 rotating inner disc, a 17 arched piezoelectric transducer, 18, a magnet, 19, a spring steel sheet base, 20, arched piezoelectric ceramics, 21, an aluminum sheet, 22, a guide groove, 23, a guide shaft, 24, a reset spring, 25 and a guide hole.
Detailed Description
The present invention is described in further detail below with reference to specific embodiments.
Referring to fig. 1 to 6, an arched piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force provided in embodiment 1 of the present invention includes an external box and a power generation mechanism located inside, where the external box structure includes an upper deceleration strip 1 and a housing 2, the housing 2 is embedded into a road surface structure through the upper portion of an excavation surface layer, a rebound mechanism is provided between the upper deceleration strip 1 and the housing 2 to promote the upper deceleration strip 1 to return to an original position after being pressed, the rebound mechanism is generally composed of a plurality of springs 3 forming balanced distribution, and generally, one spring 3 is required to be respectively provided at four corners; the power generation mechanism comprises a rack 4, a gear set and power generation discs, the rack 4 is arranged at the bottom of the upper speed reduction belt 1 and moves up and down along with the upper speed reduction belt, the rack 4 is meshed with a first gear 5, the first gear 5 and a second gear 6 are fixed on a first transmission shaft 10, the second gear 6 is meshed with a third gear 7 to realize first-stage acceleration, the third gear 7 and a fourth gear 8 are fixed on a second transmission shaft 11, the fourth gear 8 is meshed with a fifth gear 9 to realize second-stage acceleration, and finally the fifth gear 9 drives the left power generation disc and the right power generation disc to rotate through a third; the first transmission shaft 10, the second transmission shaft 11 and the third transmission shaft 12 are rotatably connected to the vertical steel plate 14; the power generation disc consists of a fixed outer disc 15 and a rotating inner disc 16, the fixed outer disc 15 is fixed on the shell 2 through the vertical steel plate 14, a circle of arched piezoelectric transducers 17 are placed on the fixed outer disc 15, fixed rectangular magnets 18 are covered at the arch tops of the arched piezoelectric transducers 17, and magnets 18 with the same size and different poles repelling each other are placed on the rotating inner disc 16 in opposite positions; the arch piezoelectric transducer 17 is provided with a spring steel sheet base 19, the fixed outer disc 15 is connected with the spring steel base 19 of the arch piezoelectric transducer 17 through bolts, the magnet 18 is fixedly bonded with an upper aluminum sheet 21, the arch piezoelectric ceramic 20 is formed by bonding the upper aluminum sheet 21 layer, and the arch piezoelectric ceramic 20 is formed by firing an arch mold with a set curvature.
Referring to fig. 5 and 6, the arch-shaped piezoelectric ceramics 20 of the arch-shaped piezoelectric transducer 17 are formed by firing an arch-shaped mold with a set curvature, and the spring steel base 19 and the aluminum sheet 21 are customized according to the curvature of the arch-shaped piezoelectric ceramics 20; the number of the magnets of the rotating inner disc 16 corresponds to that of the magnets of the fixed outer disc 15, and the number of the arched piezoelectric transducers 17 of the rotating inner disc 16 is 14; the arched piezoelectric ceramics 20 of the same rotating inner disk 16 are connected in series, and the arched piezoelectric ceramics 20 of different rotating inner disks 16 are connected in parallel.
Referring to fig. 7, embodiment 2 of the present invention is substantially the same as embodiment 1, and differs only in the up-and-down movement guiding structure of upper deceleration strip 1, specifically as follows: the upper portion of the shell is provided with a guide groove 22, the upper portion deceleration strip 1 is arranged in the guide groove 22, at least three guide shafts 23 are fixedly arranged at the bottom 1 of the upper portion deceleration strip, reset springs 24 are sleeved on the guide shafts 23, the upper ends of the reset springs 24 are jacked at the bottom 1 of the upper portion deceleration strip, the lower ends of the reset springs are jacked at the bottom of the guide groove 22 of the shell, guide holes 25 are formed in the bottom of the guide groove 22 of the shell corresponding to the guide shafts 23, and the guide shafts 23 are inserted into the guide holes 25. In order to realize balanced lifting, four sets of guide shafts 23, guide holes 25 and return springs 24 are generally arranged.
The construction details are described in detail below with reference to the accompanying drawings:
FIG. 1 is a schematic overall structure diagram, which includes two parts, namely an external box structure and a power generation mechanism, when a deceleration strip receives the impact force of a vehicle, an upper deceleration strip structure 1 descends, and a rack 4 also descends to drive a power generation disc 13 to rotate forward to generate electric energy; when the device is subjected to the restoring force of the buffer spring 3, the rack rises to drive the power generation disc 13 to rotate reversely to generate electric energy. The shell 2 needs to be excavated, the pavement is buried in the surface layer structure, and the SBS modified asphalt is used for pouring seams.
Fig. 2 is a schematic structural diagram of an upper speed bump, and a buffer spring 3 is mounted below the upper speed bump for lifting the speed bump, and waterproof rubber is used for waterproofing a relevant interface.
Fig. 3 is a schematic diagram of a power generation mechanism, including a gear train structure and a power generation disc 13.
Fig. 4 is a schematic plan view of a gear transmission structure, which includes a rack, a gear and a transmission shaft, wherein the gear transmission realizes secondary acceleration, the rack 4 is meshed with a gear five, the gear five and the gear 6 are located on the transmission shaft one 0, the gear 6 is meshed with the gear 7 to realize primary acceleration, the gear 7 and the gear 8 are located on the transmission shaft one 1, the gear 8 is meshed with the gear 9 to realize secondary acceleration, and finally the gear 9 drives the left and right power generation discs 13 to rotate through the transmission shaft one 2. The first transmission shafts 0, 11 and 12 are all fixed on a vertical steel plate 14;
fig. 5 is a schematic diagram of a fixed outer disk and a rotating inner disk, wherein a circle of self-grinding arch piezoelectric transducers 17 is arranged on the fixed outer disk 15, a fixed rectangular magnet 18 is covered on the arch, and magnets 18 with the same size and opposite poles repelling each other are arranged on the rotating inner disk 16. The number of magnets of the inner rotary disk 16 is 14, the number of the magnets of the arched piezoelectric transducers corresponds to that of the magnets of the outer fixed disk 15, when the inner rotary disk 16 rotates for a circle, all the arched piezoelectric transducers 17 are respectively pressed for 14 times, the frequency is higher, the generated energy is larger, the power generation is more stable, and compared with a planar piezoelectric transducer, the frequency has larger influence on the generated power of the arched piezoelectric transducers. The piezoelectric ceramics of the same rotating inner disc 16 are connected in series, and the piezoelectric ceramics of different rotating inner discs 16 are connected in parallel.
FIG. 6 is a schematic structural diagram of an arched piezoelectric transducer, wherein the arched piezoelectric transducer 17 is formed by bonding a 65Mn spring steel sheet base 19, a PZT arched piezoelectric ceramic 20 and an upper aluminum sheet layer 21, the bearing capacity of the arched piezoelectric transducer can reach 1.5kN, and the generated power of the arched piezoelectric transducer can reach more than 30 times that of a planar piezoelectric transducer.
The arched piezoelectric transducer 17 is connected with the input end of the synchronous charge extraction circuit through a lead, and the output end of the synchronous charge extraction circuit is connected with the super capacitor energy storage system through a lead.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, and modifications and variations can be made thereto without departing from the spirit of the invention.

Claims (10)

1. An arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force comprises an outer box body and a power generation mechanism located inside the outer box body, wherein the outer box body structure comprises an upper deceleration strip and a shell, the shell is embedded into a pavement structure through the upper part of an excavation surface layer, and a rebound mechanism is arranged between the upper deceleration strip and the shell to promote the upper deceleration strip to restore to the original position after being pressed; the method is characterized in that: the power generation mechanism comprises a rack, a gear set and power generation discs, the rack is arranged at the bottom of the upper speed reduction belt and moves up and down along with the upper speed reduction belt, the rack is meshed with the first gear, the first gear and the second gear are fixed on the first transmission shaft, the second gear and the third gear are meshed to realize primary acceleration, the third gear and the fourth gear are fixed on the second transmission shaft, the fourth gear and the fifth gear are meshed to realize secondary acceleration, and finally the fifth gear drives the left power generation disc and the right power generation disc to rotate through the third transmission shaft; the first transmission shaft, the second transmission shaft and the third transmission shaft are rotatably connected to the vertical steel plate; the power generation disc consists of a fixed outer disc and a rotary inner disc, a circle of arched piezoelectric transducers are placed on the fixed outer disc, fixed rectangular magnets are covered at the arch tops of the arched piezoelectric transducers, and magnets with the same size and different poles repelling each other are placed on the rotary inner disc in opposite positions; the arch piezoelectric transducer is provided with a spring steel sheet base, arch piezoelectric ceramics and an upper aluminum sheet layer are bonded to form the arch piezoelectric ceramics, and the arch piezoelectric ceramics are formed by firing an arch mould with a set curvature.
2. The arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force as claimed in claim 1, is characterized in that: the upper portion of the shell is provided with a guide groove, the upper portion deceleration strip is arranged in the guide groove, at least three guide shafts are fixedly arranged at the bottom of the upper portion deceleration strip, reset springs are sleeved on the guide shafts, the upper ends of the reset springs are propped against the bottom of the upper portion deceleration strip, the lower ends of the reset springs are propped against the bottom of the guide groove of the shell, the bottom of the shell corresponds to the guide shafts which are provided with guide holes, and the guide shafts are inserted into the guide holes.
3. The arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force as claimed in claim 1, is characterized in that: the fixed outer disc is fixed on the shell through the vertical steel plate.
4. The nonlinear magnetic force based arched piezoelectric ceramic energy harvesting deceleration strip as claimed in claim 1, 2 or 3, wherein: the fixed outer disc is connected with a spring steel base of the arched piezoelectric transducer through a bolt, and the magnet is fixedly bonded with an upper aluminum sheet.
5. The nonlinear magnetic force based arched piezoelectric ceramic energy harvesting deceleration strip as claimed in claim 1, 2 or 3, wherein: the arch piezoelectric ceramics of the arch piezoelectric transducer are formed by firing an arch mould with set curvature, and the spring steel and the aluminum sheet are customized according to the curvature of the arch piezoelectric ceramics.
6. The arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force as claimed in claim 4, is characterized in that: the arch piezoelectric ceramics of the arch piezoelectric transducer are formed by firing an arch mould with set curvature, and the spring steel and the aluminum sheet are customized according to the curvature of the arch piezoelectric ceramics.
7. The nonlinear magnetic force based arched piezoelectric ceramic energy harvesting deceleration strip as claimed in claim 1, 2 or 3, wherein: the number of the magnets of the rotating inner disc corresponds to that of the magnets of the fixed outer disc and is 14, and the number of the arched piezoelectric transducers of the rotating inner disc is also 14.
8. The arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force as claimed in claim 6, is characterized in that: the number of the magnets of the rotating inner disc corresponds to that of the magnets of the fixed outer disc, and the number of the arched piezoelectric transducers of the rotating inner disc is 14.
9. The nonlinear magnetic force based arched piezoelectric ceramic energy harvesting deceleration strip as claimed in claim 1, 2 or 3, wherein: the piezoelectric ceramics of the same rotating inner disc are connected in series, and the piezoelectric ceramics of different rotating inner discs are connected in parallel.
10. The arch-shaped piezoelectric ceramic energy harvesting deceleration strip based on the nonlinear magnetic force as claimed in claim 8, is characterized in that: the piezoelectric ceramics of the same rotating inner disc are connected in series, and the piezoelectric ceramics of different rotating inner discs are connected in parallel.
CN201910747255.7A 2019-08-14 2019-08-14 Arch piezoelectric ceramic energy harvesting deceleration strip based on nonlinear magnetic force Pending CN110714420A (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203114543U (en) * 2013-02-28 2013-08-07 南京邮电大学 Piezoelectric power generating device based on deceleration strip
CN206346130U (en) * 2016-12-26 2017-07-21 赵星阳 A kind of liftable deceleration strip for power generation
CN107120250A (en) * 2017-07-07 2017-09-01 上海交通大学 Deceleration strip generating set
KR20170118347A (en) * 2016-04-15 2017-10-25 주식회사 로직앤글로벌 generator for road
CN107994808A (en) * 2017-12-10 2018-05-04 北京工业大学 Alternation flexion type wind-force piezoelectric energy collector
CN207333120U (en) * 2017-08-17 2018-05-08 江苏海事职业技术学院 A kind of controllable speed push type deceleration strip generating set
CN109831119A (en) * 2019-01-30 2019-05-31 浙江师范大学 A kind of magnetic encourages rotary piezoelectric generator
CN109831120A (en) * 2019-01-30 2019-05-31 浙江师范大学 A kind of frequency conversion type magnetic encourages rotary piezoelectric generator

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203114543U (en) * 2013-02-28 2013-08-07 南京邮电大学 Piezoelectric power generating device based on deceleration strip
KR20170118347A (en) * 2016-04-15 2017-10-25 주식회사 로직앤글로벌 generator for road
CN206346130U (en) * 2016-12-26 2017-07-21 赵星阳 A kind of liftable deceleration strip for power generation
CN107120250A (en) * 2017-07-07 2017-09-01 上海交通大学 Deceleration strip generating set
CN207333120U (en) * 2017-08-17 2018-05-08 江苏海事职业技术学院 A kind of controllable speed push type deceleration strip generating set
CN107994808A (en) * 2017-12-10 2018-05-04 北京工业大学 Alternation flexion type wind-force piezoelectric energy collector
CN109831119A (en) * 2019-01-30 2019-05-31 浙江师范大学 A kind of magnetic encourages rotary piezoelectric generator
CN109831120A (en) * 2019-01-30 2019-05-31 浙江师范大学 A kind of frequency conversion type magnetic encourages rotary piezoelectric generator

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