CN107395062B - A kind of road surface energy collecting device based on piezoelectricity clockwork spring - Google Patents

A kind of road surface energy collecting device based on piezoelectricity clockwork spring Download PDF

Info

Publication number
CN107395062B
CN107395062B CN201710750875.7A CN201710750875A CN107395062B CN 107395062 B CN107395062 B CN 107395062B CN 201710750875 A CN201710750875 A CN 201710750875A CN 107395062 B CN107395062 B CN 107395062B
Authority
CN
China
Prior art keywords
piezoelectricity
clockwork spring
rack
spring
clockwork
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.)
Active
Application number
CN201710750875.7A
Other languages
Chinese (zh)
Other versions
CN107395062A (en
Inventor
夏委
姚明辉
张伟
马立
刘鹏飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing University of Technology
Original Assignee
Beijing University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing University of Technology filed Critical Beijing University of Technology
Priority to CN201710750875.7A priority Critical patent/CN107395062B/en
Publication of CN107395062A publication Critical patent/CN107395062A/en
Application granted granted Critical
Publication of CN107395062B publication Critical patent/CN107395062B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02NELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/18Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
    • H02N2/186Vibration harvesters

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

The invention discloses a kind of road surface energy collecting devices based on piezoelectricity clockwork spring, including pedal, cover board, cabinet, gear, rack gear, spring, sleeve, rack-driving body, piezoelectricity clockwork spring and fixing axle, the cover board is connected by screw to cabinet, pedal is located above cover board, it is connect with rack gear, rack gear lower end and the internal sleeve connection that spring is housed, rack gear is engaged with pinion gear, pinion gear is coaxially fixed with gear wheel, gear wheel is engaged with the rack-driving body of its two sides, rack-driving body and piezoelectricity clockwork spring and the internal sleeve connection that spring is housed, piezoelectricity clockwork spring is the clockwork spring that upper and lower surface posts piezoelectric patches, piezoelectricity clockwork spring center-side is locked in fixing axle, fixing axle is fixed on cabinet, there are three chambers altogether for cabinet, piezoelectricity clockwork spring shares two classes.This device is suitable for the biggish place of flow of the people, the mechanical energy that acquisition people generates when walking.The deformation of piezoelectricity clockwork spring is big, and generated energy is big, and piezoelectricity clockwork spring uses the form of packaging, and utilization of mechanical energy rate is high.

Description

A kind of road surface energy collecting device based on piezoelectricity clockwork spring
Technical field
The present invention is a kind of road surface energy collecting device based on piezoelectricity clockwork spring, is made when can effectively acquire collection people's walking to ground Machinery can be carried out power generation, belong to piezo-electric generating and regenerated environment protecting new energy field.
Background technique
With progress of the epoch, the development of society, energy requirement seeks new energy and utilizes Regenerated energy growing day by day Source is essential.The mechanical energy in ambient enviroment can be converted to electric energy using the direct piezoelectric effect of piezoelectric material, with reality The self energizing of existing electronic equipment, can either solve the problems, such as battery altering inconvenience, and can be energy saving, protect environment.
China Patent Publication No. CN103986369A discloses a kind of road hair to generate electricity using bituminous pavement deformation Electric installation, the device are generated electricity using the piezoelectric generating device being mounted in pavement asphalt, but the deformation comparison of piezoelectric patches is small, And it is difficult to realize.China Patent Publication No. CN104009669A discloses a kind of piezo-electric floor device of piecemeal cantilever beam structure, The invention is acted directly on piezoelectric patches using top plate generate electricity in one apparatus, and piezoelectric patches deformation comparison is small, is difficult to push away Extensively.
Summary of the invention
In order to make full use of the vibration of various frequencies to generate electricity, and mechanical energy, this hair can be utilized to greatest extent Bright to provide a kind of road surface energy collecting device based on piezoelectricity clockwork spring, structure design is with can be under any vibration frequency The ability that can effectively generate electricity, so that this device has more wide application prospect.
In order to solve the above-mentioned technical problem, a kind of road surface energy collecting device based on piezoelectricity clockwork spring of the present invention, feature exist In: cover board 2 is connect by screw with cabinet 3;Pedal 1 is installed on the top of cover board 2 by short spring 5, and with the rack gear in cabinet 3 4 connections;4 lower end of rack gear is connect with the internal short sleeve 8 equipped with short spring 5, and rack gear 4 is engaged with pinion gear 6;It is described short Sleeve 8, which is fixed on 3 bottom inner surface of cabinet, plays the role of limit and guiding to the movement of rack gear 4;Two in-line gears are equal It is assemblied on gear shaft 14;The gear shaft 14 cooperates with bearing 16, is mounted in cabinet 3;The pinion gear 6 and gear wheel 7 Coaxial fixed, they are as level-one speed increaser by more times of the displacement equations of very little;The rack-driving of the gear wheel 7 and its two sides 9 engaged transmission of body, drives rack-driving body 9 to do movement up and down reciprocatingly;The rack-driving body 9 and piezoelectricity clockwork spring and internal dress There is the long sleeve 11 of long spring 10 to connect;The piezoelectricity clockwork spring is that upper and lower surface patch has the clockwork spring of piezoelectric patches, in piezoelectricity clockwork spring Heart end is locked in fixing axle 15;The piezoelectricity clockwork spring shares two classes, and there are two outer for the opposite one side installation tool of rack-driving body 9 Two end piezoelectricity clockwork springs 13 of end, the opposite face installation of rack-driving body 9 have an end piezoelectricity of an external end head Clockwork spring 12;The long sleeve 11 is fixed on inside cabinet 3 upper bottom surface, plays limit and guiding to the movement of rack-driving body 9 Effect;The fixing axle 15 is fixed on cabinet 3;There are three chambers altogether for the cabinet 3.
Compared with prior art, the present invention has the advantages that.
(1) present invention is deformed piezoelectricity clockwork spring using the movement of rack-driving body, therefore as long as pedal has movement It can generate electricity, so that the influence of the not vibrated dynamic frequency of power generation.
(2) present invention increases gear drive, so that the displacement of pedal very little can also make piezoelectricity clockwork spring generate very big deformation, Therefore generating effect is good.
(3) present invention can install multipair piezoelectricity clockwork spring in relatively small space, this to act on the machine on pedal Tool can obtain biggish utilization.
(4) present invention is generated electricity using piezoelectricity clockwork spring, according to piezoelectricity clockwork spring build-in attribute, the small deformation of piezoelectricity clockwork spring Biggish strain is generated, larger generated energy will be generated according to mechanical-electric coupling principle piezoelectricity clockwork spring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram in the present invention with an external end head piezoelectricity clockwork spring;
Fig. 2 is the structural schematic diagram having in the present invention there are two external end head piezoelectricity clockwork spring;
Fig. 3 is the partial enlargement diagram of piezoelectricity clockwork spring in the present invention;
Fig. 4 is the structural schematic diagram of in-line gears in the present invention;
Fig. 5 be in the present invention system from the complete section schematic diagram of cabinet intermediate cavity;
Fig. 6 be in the present invention system from the complete section schematic diagram of one side cavity of cabinet;
Fig. 7 is that do not have pedal and cover board overall structure diagram in the present invention;
Fig. 8 is the mounted inside structural schematic diagram for not having cabinet in the present invention;
In figure:
1- pedal 2- cover board 3- cabinet
The short spring 6- pinion gear of 4- rack gear 5-
7- gear wheel 8- short sleeve 9- rack-driving body
10- long spring 11- long sleeve mono- end piezoelectricity clockwork spring of 12-
Two end piezoelectricity clockwork spring 14- gear shaft 15- fixing axle 16- bearings of 13-
Specific embodiment
The present invention is described in further detail below with reference to specific embodiment.
As shown in Figures 1 to 8, a kind of road surface energy collecting device based on piezoelectricity clockwork spring, the cover board 2 pass through screw and case Body 3 connects;The pedal 1 is installed on 2 top of cover board by short spring 5, connect with the rack gear 4 in cabinet 3;Under the rack gear 4 End is connect with the internal sleeve 8 equipped with spring 5, and rack gear 4 is engaged with pinion gear 6;The sleeve 8 is fixed on subordinate in cabinet 3 Play the role of limit and guiding to the movement of rack gear 4 on surface;Two in-line gears are assemblied on gear shaft 14;Institute It states gear shaft 14 and bearing 16 cooperates, be mounted in cabinet 3;The pinion gear 6 is coaxial fixed with gear wheel 7, they are as one Grade speed increaser is by more times of the displacement equations of very little;9 engaged transmission of rack-driving body of the gear wheel 7 and its two sides, band movable tooth Transmission body 9 does movement up and down reciprocatingly;The rack-driving body 9 connects with piezoelectricity clockwork spring and the internal sleeve 11 equipped with spring 10 It connects;The piezoelectricity clockwork spring is the clockwork spring that upper and lower surface patch has piezoelectric patches, and piezoelectricity clockwork spring center-side is locked in fixing axle 15;Institute It states piezoelectricity clockwork spring and shares two classes, there are two the piezoelectricity clockwork spring 13 of external end head, rack gear passes the opposite one side installation tool of rack-driving body 9 The opposite face installation of kinetoplast 9 has the piezoelectricity clockwork spring 12 of an external end head;The sleeve 11 is fixed on 3 inside of cabinet and goes to the bottom Limit and guiding are played the role of to the movement of rack-driving body 9 in face;The fixing axle 15 is fixed on cabinet 3;The cabinet 3 altogether there are three chamber.
The external end head of all piezoelectricity clockwork springs is connected to energy accumulating device by conductor in parallel.
The piezoelectricity clockwork spring upper and lower surface is laid with electrode, and piezoelectric layer and basal layer are connected with conducting wire respectively.
The piezoelectricity clockwork spring protective layer material is polyester, and piezoelectricity layer material is the PVDF after polarization, and the material of basal layer is One of copper, steel and aluminium alloy.Piezoelectricity clockwork spring has good elasticity.
A kind of road surface energy collecting device based on piezoelectricity clockwork spring of the present invention can be applied to the biggish place of flow of the people, can be used for For the power supply of the isolated electrons device such as street lamp, automatic vending machine.
In conclusion a kind of road surface energy collecting device based on piezoelectricity clockwork spring of the present invention is stepped on foot using increasing speed gearing transmission Minor vertical displacement when ground is transformed into the significantly deformation of piezoelectricity clockwork spring, overcomes frequency to the defect of power generation limitation;Meanwhile Integrated piezoelectricity clockwork spring greatly improves mechanical energy to the transformation efficiency of electric energy, improves power generation electricity.Present apparatus structure is new Grain husk, applied widely, generating efficiency is high, and capacity usage ratio is high, easy to use.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties Formula, the above mentioned embodiment is only schematical, rather than restrictive, the case where not departing from present inventive concept Under, many variations can also be made, these belong to protection category of the invention.

Claims (6)

1. a kind of road surface energy collecting device based on piezoelectricity clockwork spring, it is characterised in that: cover board (2) is connected by screw and cabinet (3) It connects;Pedal (1) is installed on above cover board (2) by short spring (5), and the rack gear (4) inner with cabinet (3) is connect;The rack gear (4) lower end is connect with the internal short sleeve (8) equipped with short spring (5), and rack gear (4) is engaged with pinion gear (6);The short sleeve (8) it is fixed on cabinet (3) bottom inner surface and plays the role of limit and guiding to the movement of rack gear (4);Two coaxial small teeth Wheel (6) and gear wheel (7) are assemblied on gear shaft (14);The gear shaft (14) and bearing (16) cooperate, and are mounted on cabinet (3) in;The pinion gear (6) is coaxial fixed with gear wheel (7), and pinion gear (6) and gear wheel (7) will very as level-one speed increaser More times of small displacement equations;The rack-driving body (9) of the gear wheel (7) and its two sides engaged transmission, drives rack-driving body (9) movement up and down reciprocatingly is done;The rack-driving body (9) and an end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork springs (13) and the internal long sleeve (11) equipped with long spring (10) connects;One end piezoelectricity clockwork spring (12) and two end pressures Electric clockwork spring (13) is the clockwork spring that upper and lower surface patch has piezoelectric patches, an end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork springs (13) center-side is locked on fixing axle (15);One end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork springs (13) are altogether There are two classes, there are two two end piezoelectricity clockwork springs (13) of external end head, rack gear passes the opposite one side installation tool of rack-driving body (9) The opposite face installation of kinetoplast (9) has an end piezoelectricity clockwork spring (12) of an external end head;The long sleeve (11) is fixed on Bottom surface on cabinet (3) inside plays the role of limit and guiding to the movement of rack-driving body (9);The fixing axle (15) It is fixed on cabinet (3);There are three chambers altogether for the cabinet (3).
2. a kind of road surface energy collecting device based on piezoelectricity clockwork spring according to claim 1, it is characterised in that: work as pedal (1) when pushing, one end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork springs (13) are always at tightening state, when stepping on When plate (1) is sprung back, it is also at rebound state.
3. a kind of road surface energy collecting device based on piezoelectricity clockwork spring according to claim 1, it is characterised in that: the tooth Item (4) and rack-driving body (9) are connect well with short sleeve (8) and long sleeve (11), short spring (5) and long spring (10) rebound Also in time.
4. a kind of road surface energy collecting device based on piezoelectricity clockwork spring according to claim 1, it is characterised in that: Suo Youyi The external end head of a end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork springs (13) is connected to energy storage dress by conductor in parallel It sets.
5. a kind of road surface energy collecting device based on piezoelectricity clockwork spring according to claim 1, it is characterised in that: described one A end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork spring (13) upper and lower surfaces are laid with electrode, and piezoelectric layer and basal layer point Conducting wire is not connected with it.
6. a kind of road surface energy collecting device based on piezoelectricity clockwork spring according to claim 1, it is characterised in that: described one A end piezoelectricity clockwork spring (12) and two end piezoelectricity clockwork spring (13) protective layer materials are polyester, and piezoelectricity layer material is after polarizing PVDF, the material of basal layer are one of copper, steel or aluminium alloy.
CN201710750875.7A 2017-08-28 2017-08-28 A kind of road surface energy collecting device based on piezoelectricity clockwork spring Active CN107395062B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710750875.7A CN107395062B (en) 2017-08-28 2017-08-28 A kind of road surface energy collecting device based on piezoelectricity clockwork spring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710750875.7A CN107395062B (en) 2017-08-28 2017-08-28 A kind of road surface energy collecting device based on piezoelectricity clockwork spring

Publications (2)

Publication Number Publication Date
CN107395062A CN107395062A (en) 2017-11-24
CN107395062B true CN107395062B (en) 2019-02-26

Family

ID=60345667

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710750875.7A Active CN107395062B (en) 2017-08-28 2017-08-28 A kind of road surface energy collecting device based on piezoelectricity clockwork spring

Country Status (1)

Country Link
CN (1) CN107395062B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108429488B (en) * 2018-03-09 2019-05-03 安徽大学 A kind of piezoelectric energy recovery device
CN109539143B (en) * 2018-11-20 2021-04-02 甬港现代工程有限公司 Emergency lighting facility
CN112187099B (en) * 2020-10-22 2022-06-17 郑州铁路职业技术学院 Diagnosis room information display system adopting corridor ground self-power generation
CN112202365B (en) * 2020-10-22 2022-05-27 郑州铁路职业技术学院 Self-powered diagnosis room information display method based on piezoelectricity

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101509476A (en) * 2009-03-31 2009-08-19 王择邻 Highway and railway pressure electric generator
CN202374193U (en) * 2011-12-09 2012-08-08 中国矿业大学 Piezoelectric energy collecting device
CN103986369A (en) * 2014-05-16 2014-08-13 浙江大学 Road electricity generation device utilizing bituminous pavement deformation to generate electricity
CN104009669A (en) * 2014-06-10 2014-08-27 大连理工大学 Piezoelectric floor device of blocking cantilever beam structure

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9383180B2 (en) * 2012-03-12 2016-07-05 Omnitek Partners Llc Gravity dropped small weapon electronic safe arm fuze and energy harvesting device for power generation onboard gravity dropped weapons

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101509476A (en) * 2009-03-31 2009-08-19 王择邻 Highway and railway pressure electric generator
CN202374193U (en) * 2011-12-09 2012-08-08 中国矿业大学 Piezoelectric energy collecting device
CN103986369A (en) * 2014-05-16 2014-08-13 浙江大学 Road electricity generation device utilizing bituminous pavement deformation to generate electricity
CN104009669A (en) * 2014-06-10 2014-08-27 大连理工大学 Piezoelectric floor device of blocking cantilever beam structure

Also Published As

Publication number Publication date
CN107395062A (en) 2017-11-24

Similar Documents

Publication Publication Date Title
CN107395062B (en) A kind of road surface energy collecting device based on piezoelectricity clockwork spring
CN107565850B (en) Bistable state piezoelectric cantilever power generation box
Wang et al. Harnessing energy from spring suspension systems with a compressive-mode high-power-density piezoelectric transducer
CN203654673U (en) Piezoelectric power-generating floor
CN103263752B (en) Foldable and reorganizable energy converting fitness device
CN108023502A (en) A kind of beam type negative stiffness device for collecting piezoelectric vibration energy
Zeng et al. A flexible, sandwich structure piezoelectric energy harvester using PIN-PMN-PT/epoxy 2-2 composite flake for wearable application
Yu et al. Study on mirror-image rotating piezoelectric energy harvester
Hou et al. A high-performance mini-generator with average power of 2 W for human motion energy harvesting and wearable electronics applications
CN205160177U (en) Punch press energy recuperation conversion equipment based on piezoceramics electricity generation
CN108199618A (en) A kind of two-way cantilever beam beam type piezoelectric energy gathering apparatus
WO2009004645A3 (en) Electricity generation using the motion of a swing
CN203883705U (en) Environmental-friendly treading-type power generation device
Arnab et al. Generation of electrical energy using piezoelectric material from train wheels: Bangladesh perspective
CN205283430U (en) Hard and soft composite beam wind power generation device
WO2014176293A3 (en) Carpet of wave energy conversion (cwec)
CN203883702U (en) Environmental-friendly efficient power generation device
CN102983775B (en) A kind of electrostatic energy gathering apparatus of ball drive
CN109458313A (en) A kind of energy storage type active energy collection device
CN204496454U (en) Based on the wireless mouse self-power supply device that piezoelectric energy is collected
CN203883704U (en) Environmental-friendly power generation device in office
Zhu et al. An electromagnetic in-shoe energy harvester using wave springs
CN103410693A (en) Subway turnstile powered by step-type kinetic energy collecting
CN103285552B (en) A kind of multifunctional body-building seat with generating electric power storage
CN206887831U (en) A kind of telescopic separation stake for traffic route

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
CB03 Change of inventor or designer information
CB03 Change of inventor or designer information

Inventor after: Xia Wei

Inventor after: Yao Minghui

Inventor after: Zhang Wei

Inventor after: Ma Li

Inventor after: Liu Pengfei

Inventor before: Yao Minghui

Inventor before: Xia Wei

Inventor before: Zhang Wei

Inventor before: Ma Li

Inventor before: Liu Pengfei

GR01 Patent grant
GR01 Patent grant