CN109546889A - A kind of piezoelectric type energy collection device of time-sharing multiplex - Google Patents

A kind of piezoelectric type energy collection device of time-sharing multiplex Download PDF

Info

Publication number
CN109546889A
CN109546889A CN201811438862.7A CN201811438862A CN109546889A CN 109546889 A CN109546889 A CN 109546889A CN 201811438862 A CN201811438862 A CN 201811438862A CN 109546889 A CN109546889 A CN 109546889A
Authority
CN
China
Prior art keywords
push rod
piezoelectric
cam
time
cavity
Prior art date
Application number
CN201811438862.7A
Other languages
Chinese (zh)
Other versions
CN109546889B (en
Inventor
秦利锋
杨帆
Original Assignee
厦门大学
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 厦门大学 filed Critical 厦门大学
Priority to CN201811438862.7A priority Critical patent/CN109546889B/en
Publication of CN109546889A publication Critical patent/CN109546889A/en
Application granted granted Critical
Publication of CN109546889B publication Critical patent/CN109546889B/en

Links

Classifications

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

Abstract

The present invention provides a kind of piezoelectric type energy collection devices of time-sharing multiplex, including cavity and are set to transmission shaft, thumb wheel, cam, push rod, push rod support frame, spring, the piezoelectric cantilever, piezoelectric patches of inside cavity, conducting wire, conductive switch;One end of the transmission shaft and the bottom of the cavity cooperate, and the top of the other end and the cavity cooperates;The thumb wheel and cam successively coaxially interlock setting with transmission shaft from top to bottom;One end of the push rod connects the cam, and when cam revolution, it is mobile that the push rod makees reciprocating linear;A kind of function of time-sharing multiplex can be realized using the technical program.

Description

A kind of piezoelectric type energy collection device of time-sharing multiplex

Technical field

The present invention relates to energy collecting device field, in particular to a kind of piezoelectric type energy collection devices of time-sharing multiplex.

Background technique

In recent years, with the development of radio-based electronic devices, electronic equipment increasingly tends to micromation, low-power consumption, application Range is wide.But most of radio-based electronic devices are all to rely on conventional batteries power supply, and there are the service life to have for conventional batteries at present The disadvantages of limit, periodic replacement, so that the micromation of radio-based electronic devices and application range receive further limitation.To understand Certainly inconvenience brought by conventional batteries, researcher proposes absorbs the energy receipts that energy is then converted to electric energy from ambient enviroment Acquisition means.Currently, energy collecting device mainly has the modes such as electromagnetic type, frictional, piezoelectric type, wherein piezoelectric type energy collects dress Set it is simple with structure, the advantages that micromation easy to accomplish, delivery efficiency is high, so that piezoelectric type energy collection device becomes research The focus on research direction of personnel.

Currently, having a kind of structure in piezoelectric type energy collection device is to turn the low frequency energy being collected into from ambient enviroment The rotary motion for turning to the revolving members such as gear or thumb wheel strikes piezoelectric cantilever by the isostructural rotation of gear or thumb wheel Beam, makes piezoelectric cantilever generate free vibration, and the piezoelectric patches being attached on piezoelectric cantilever produces electricl energy output after being activated. In order to improve this piezoelectric type energy collection device output power, researchers at home and abroad put forward kinds of schemes.It is one of Scheme is along the symmetrical multiple piezoelectric cantilevers of circular cylindrical cavity circumferencial direction, and such revolving member is in rotation, a week Multiple piezoelectric cantilevers can be struck in phase, and by each group piezoelectric cantilever parallel output;But since mismachining tolerance, installation miss The a variety of causes such as difference, material error, circumferencial direction distribution each group piezoelectric cantilever by dynamic excitation generate vibration when simultaneously It cannot be guaranteed that being centainly in same phase, last result may can not improve output power.Another scheme is by circumference Each piezoelectric cantilever of distribution is connected respectively as power supply and extraneous load, arranges multiple independent input circuits and output electricity Road is load supplying;But this method will increase the number and processing difficulty of circuit, and the complexity of whole device improves, and electricity Road cost will also improve.

Summary of the invention

The purpose of the present invention is to provide a kind of piezoelectric type energy collection devices of time-sharing multiplex, realize a kind of time-sharing multiplex Function.

The present invention provides a kind of piezoelectric type energy collection device of time-sharing multiplex, including cavity and it is set in cavity Transmission shaft, thumb wheel, cam, push rod, push rod support frame, spring, the piezoelectric cantilever, piezoelectric patches in portion, conducting wire, conductive switch;

One end of the transmission shaft and the bottom of the cavity cooperate, and the top of the other end and the cavity cooperates;It is described Thumb wheel and cam successively coaxially interlock setting with transmission shaft from top to bottom;One end of the push rod connects the cam, when described When cam turns round, it is mobile that the push rod makees reciprocating linear;The push rod is fixed on push rod support frame far from one end of the cam On, one end that the push rod connects the cam is provided with a baffle ring, and the other end is provided with a concave groove, above and below concave groove The local location of outer lower face surface is coated with one layer of conductive layer on inner wall and push rod;The spring pocket is set to institute on push rod It states between baffle ring and push rod support frame, one end of the push rod support frame is fixed on cavity bottom, and the other end supports push rod;Institute The one end and cavity for stating piezoelectric cantilever are fixed, and the other end is free end;The piezoelectric patches is attached to the piezoelectric cantilever Surface;The conductive switch is fixed on the inner wall of cavity, and one end positive and negative anodes of the conductive switch connect the pressure by conducting wire The positive and negative anodes of electric piece, the other end are slidably connected with the positive and negative anodes in concave groove.

In a preferred embodiment, the side of the thumb wheel is provided with a plectrum;The plectrum is in the horizontal direction Line of symmetry on line of symmetry and cam horizontal direction is in same plane, and is all arranged with transmission shaft linkage;When transmission shaft rotates, The thumb wheel axis around transmission shaft synchronous with cam rotates.

In a preferred embodiment, the conductive layer of the upper outer lower face surface of the push rod is respectively positive and negative anodes and will with conducting wire The anode of push rod outer surface is connected to some anode as entire energy collecting device, cathode of push rod outer surface and is connected to one Cathode of the point as entire energy collecting device;The number of the push rod and the number of piezoelectric cantilever are identical, with piezoelectric cantilever The number of beam increases and increases.

In a preferred embodiment, the piezoelectric cantilever number at least two, be symmetrically distributed in cavity It is internal;One end of piezoelectric cantilever is fixed with cavity, the direction contact that the plectrum of the other end and the thumb wheel is rotated along thumb wheel, When thumb wheel drives plectrum rotation, the plectrum and piezoelectric cantilever contact make it generate deformation.

In a preferred embodiment, there are four push rods, four piezoelectric cantilevers, four for the energy collecting device setting Piezoelectric patches, four conductive switch;Respectively the first push rod, the second push rod, third push rod, the 4th push rod, the first piezoelectric cantilever, Second piezoelectric cantilever, third piezoelectric cantilever, the 4th piezoelectric cantilever, the first piezoelectric patches, the second piezoelectric patches, third piezoelectricity Piece, the 4th piezoelectric patches, the first conductive switch, the second conductive switch, third conductive switch, the 4th conductive switch.

In a preferred embodiment, during thumb wheel and cam rotate, the first piezoelectric cantilever is at first by dialling Free vibration is generated after piece impact, the first piezoelectric patches being attached on the first piezoelectric cantilever is made to be activated to generate electricity, and First push rod compressed spring under the forcing of the outer profile of cam is mobile to the outside of cavity, contacts with the first conductive switch, and Certain length is kept to contact distance, second push rod, third push rod, the 4th push rod, which are in, at this time closely stops or backhaul shape State is disconnected with corresponding second conductive switch, third conductive switch, the 4th conductive switch, at this time only the first piezoelectric patches respectively It generates electricity and is connected by conducting wire and extraneous load, i.e., only the first piezoelectric patches is as power supply and extraneous load conduction;

During thumb wheel continues to rotate the second piezoelectric cantilever of impact, the first push rod is in backhaul state and in spring It gradually back moves under the action of restoring force and is disconnected with the first conductive switch, the second piezoelectric cantilever is produced from after being struck By vibrating, the second piezoelectric patches being attached on the second piezoelectric cantilever is made to be activated to generate electricity, and the second push rod is in cam Outer profile forcing under compressed spring it is mobile to the outside of cavity, contacted with the second conductive switch, and certain length is kept to connect Distance is touched, the first push rod, third push rod, the 4th push rod, which are in, at this time closely stops or backhaul state, respectively with corresponding first Conductive switch, third conductive switch, the 4th conductive switch disconnect, at this time only the second piezoelectric patches generate electricity and by conducting wire with External world's load connection, i.e., only the second piezoelectric patches is as power supply and extraneous load conduction;

Continue movement in the manner described above to go down, third piezoelectric patches and the 4th piezoelectric patches generate electricity after being successively activated And be connected by conducting wire with external world's load, successively as a power supply and extraneous load conduction;Then it loops back and forth like this, passes through The motion mode of mechanical structure successively switches between each switch, so that each piezoelectric patches generates electricity after being successively activated And be connected by conducting wire with external world's load, it is successively extraneous load supplying as a power supply, realizes the function of time-sharing multiplex.

In a preferred embodiment, the spring is specially cylinder compression type springs, the number and push rod of the spring Number it is identical, with push rod number increase and increase.

In a preferred embodiment, the push rod is specially pinnacle push rod or roller tappet or flat push rod.

In a preferred embodiment, the cam is specially disc cam or cylindrical cam.

In a preferred embodiment, the push rod support frame is specially arch form push rod support frame.

Compared to the prior art, technical solution of the present invention have it is following the utility model has the advantages that

A kind of piezoelectric type energy collection device of time-sharing multiplex provided by the invention by thumb wheel, transmission shaft, cam, pushes away Bar, spring, push rod support frame, the isostructural Combination Design of conductive switch may be implemented in a cycle, pass through mechanical structure Motion mode successively switches between each switch, so that each piezoelectric patches generates electricity and passes through conducting wire after being successively activated It is connected with external world's load, is successively extraneous load supplying as a power supply, realizes a kind of function of time-sharing multiplex.

1. using cam and push rod actuator, the straight line that can convert the rotary motion of cam to push rod moves back and forth It is dynamic;And it can be made according to the outer contour shape of the size design cam of the number and plant bulk of actual arrangement piezoelectric cantilever The movement of push rod meets necessary requirement;It therefore can be in the multiple piezoelectric cantilevers of circumferential directions.

It is successively extraneous load supplying as power supply 2. symmetrical multiple piezoelectric cantilevers are time-sharing multiplexes on circumference , it is possible to prevente effectively from when multiple piezoelectric patches symmetrical on circumference are by the way of in parallel because phase difference there are due to cause The reduction of output power.

3. using structure, simple and lower-cost mechanical structure successively switches between each switch to realize, so that respectively A piezoelectric patches generates electricity and is connected by conducting wire with external world's load after being successively activated, be successively the external world as a power supply Load supplying realizes a kind of function of time-sharing multiplex, and the number of output circuit can be effectively reduced and reduce the processing of circuit Difficulty, to reduce the manufacturing cost of whole device.

Detailed description of the invention

Fig. 1 is a kind of overall structure signal of the piezoelectric type energy collection device of time-sharing multiplex in the preferred embodiment of the present invention Figure;

Fig. 2 is that a kind of inside of the cavity of the piezoelectric type energy collection device of time-sharing multiplex is each in the preferred embodiment of the present invention A component structure diagram;

Fig. 3 is a kind of circuit structure signal of the piezoelectric type energy collection device of time-sharing multiplex in the preferred embodiment of the present invention Figure.

Specific embodiment

Below in conjunction with the drawings and specific embodiments, the present invention will be further described.

A kind of piezoelectric type energy collection device of time-sharing multiplex referring to figs. 1 to 3, including cavity 1 and is set to cavity 1 Transmission shaft 2, the thumb wheel 3, cam 4, push rod, push rod support frame 9, spring 10, piezoelectric cantilever, piezoelectric patches of inside, conducting wire 19 are led Electric switch;Specifically, the spring 10 is specially cylinder compression type springs, the number and the number phase of push rod of the spring 10 Together, increase with the number of push rod and increase;The cam 4 is specially disc cam 4.The shape of the cavity 1 can be designed as It is round, rectangular, it is specially circular cavity in the present embodiment.

One end of the transmission shaft 2 and the bottom of the cavity 1 cooperate, and the top of the other end and the cavity 1 cooperates;Institute Thumb wheel 3 and cam 4 is stated successively to be arranged with the coaxial gearing of transmission shaft 2 from top to bottom;Specifically, the push rod is specially that pinnacle pushes away Bar or roller tappet or flat push rod;One end of the push rod connects the cam 4, when the cam 4 revolution, the push rod It is mobile to make reciprocating linear;Specifically, the push rod support frame 9 is specially arch form push rod support frame 9;The push rod is far from described One end of cam 4 is fixed on push rod support frame 9, and one end that the push rod connects the cam 4 is provided with a baffle ring, the other end It is provided with a concave groove, the local location of outer lower face surface is coated with one layer of conductive layer on the inner wall up and down and push rod of concave groove; 10 sets of the spring is set between the baffle ring and push rod support frame 9 on push rod, one end of the push rod support frame 9 It is fixed on 1 bottom of cavity, the other end supports push rod;One end of the piezoelectric cantilever and cavity 1 are fixed, and the other end is freely End;The piezoelectric patches is attached to the surface of the piezoelectric cantilever;The conductive switch is fixed on the inner wall of cavity 1, described to lead One end positive and negative anodes of electric switch connect the positive and negative anodes of the piezoelectric patches by conducting wire 19, and the positive and negative anodes in the other end and concave groove are sliding Dynamic connection.

The side of the thumb wheel 3 is provided with a plectrum 31;The line of symmetry of the plectrum 31 in the horizontal direction and 4 water of cam Square upward line of symmetry is in same plane, and all interlocks and be arranged with transmission shaft 2;When transmission shaft 2 rotates, thumb wheel 3 and cam 4 The synchronous axis around transmission shaft 2 rotates.31 quantity of plectrum on the thumb wheel 3 can design according to actual needs, the present embodiment In be 1.

The conductive layer of the upper outer lower face surface of the push rod be respectively positive and negative anodes and with conducting wire 19 by the anode of push rod outer surface It is connected to the anode a little as entire energy collecting device, the cathode of push rod outer surface, which is connected to, a little to be received as entire energy The cathode of acquisition means;The number of the push rod and the number of piezoelectric cantilever are identical, increase with the number of piezoelectric cantilever and increase Add.

The piezoelectric cantilever number at least two, be symmetrically distributed in inside cavity 1;The one of piezoelectric cantilever End is fixed with cavity 1, the direction contact that the plectrum 31 of the other end and the thumb wheel 3 is rotated along thumb wheel 3, dials when thumb wheel 3 drives When piece 31 rotates, the plectrum 31 makes it generate deformation with piezoelectric cantilever contact.The thumb wheel 3, cam 4, pushes away transmission shaft 2 The structure compositions such as bar, spring 10, push rod support frame 9, conductive switch are at least the mechanical transmission structure of second level, are in the present embodiment Secondary mechanical drive mechanism.

There are four push rod, four piezoelectric cantilevers, four piezoelectric patches, four conductions to open for the energy collecting device setting It closes;Respectively the first push rod 5, the second push rod 6, third push rod 7, the 4th push rod 8, the first piezoelectric cantilever 11, the second piezoelectricity are outstanding Arm beam 12, third piezoelectric cantilever 13, the 4th piezoelectric cantilever 14, the first piezoelectric patches 15, the second piezoelectric patches 16, third piezoelectric patches 17, the 4th piezoelectric patches 18, the first conductive switch 20, the second conductive switch 21, third conductive switch 22, the 4th conductive switch 23. The quantity of the piezoelectric cantilever and piezoelectric patches can design according to actual needs.The outer contour shape of the cam 4 can To want the size of summing unit to be designed according to the number of piezoelectric cantilever, switching.First conductive switch 20, Second conductive switch 21, third conductive switch 22, the 4th conductive switch 23 can use the sliding contact of concave groove and rectangular block Structure can also use contact structures of pulley and guide rail etc. or other contact structures that can be slided relatively, be in the present embodiment The sliding contact structure of concave groove and rectangular block.

During thumb wheel 3 and cam 4 rotate, the first piezoelectric cantilever 11 is produced from after being struck at first by plectrum 31 By vibrating, the first piezoelectric patches 15 being attached on the first piezoelectric cantilever 11 is made to be activated to generate electricity, and the first push rod 5 exists Compressed spring 10 is mobile to the outside of cavity 1 under the forcing of the outer profile of cam 4, contacts with the first conductive switch 20, and keep Certain length contacts distance, and second push rod 6, third push rod 7, the 4th push rod 8, which are in, at this time closely stops or backhaul state, It is disconnected respectively with corresponding second conductive switch 21, third conductive switch 22, the 4th conductive switch 23, at this time only the first piezoelectricity Piece 15 generates electricity and is connected by conducting wire 19 and extraneous load, i.e., only the first piezoelectric patches 15 is led as power supply and external world's load It is logical;

When thumb wheel 3 continue to rotate impact the second piezoelectric cantilever 12 during, the first push rod 5 be in backhaul state and It gradually back moves under the action of 10 restoring force of spring and is disconnected with the first conductive switch 20, the second piezoelectric cantilever 12 is hit Free vibration is generated after beating, the second piezoelectric patches 16 being attached on the second piezoelectric cantilever 12 is made to be activated to generate electricity, and Second push rod 6 compressed spring 10 under the forcing of the outer profile of cam 4 is mobile to the outside of cavity 1, with the second conductive switch 21 Contact, and certain length is kept to contact distance, the first push rod 5, third push rod 7, the 4th push rod 8, which are in, at this time closely stops or returns Journey state disconnects with corresponding first conductive switch 20, third conductive switch 22, the 4th conductive switch 23 respectively, only has at this time Second piezoelectric patches 16 generates electricity and is simultaneously connected by conducting wire 19 and extraneous load, i.e., only the second piezoelectric patches 16 is as power supply and outer Boundary's load conduction;

Continue movement in the manner described above to go down, third piezoelectric patches 17 and the 4th piezoelectric patches 18 generate after being successively activated Electricity is simultaneously connected by conducting wire 19 with external world's load, successively as a power supply and extraneous load conduction;Then it so recycles past It is multiple, successively switched between each switch by the motion mode of mechanical structure, so that after each piezoelectric patches is successively activated It generates electricity and is connected by conducting wire 19 with external world's load, be successively extraneous load supplying as a power supply, realize that timesharing is multiple Function.

In conclusion the present invention takes circumference to be arranged symmetrically multiple piezoelectric cantilevers for general piezoelectric type energy collection device Liang Shi, when by multiple piezoelectric patches parallel outputs if can because phase difference there are due to cause output power to reduce;If by multiple pressures When electric piece is connected in extraneous load respectively as power supply, needs to arrange multiple independent input circuits and output circuit, then can The piezoelectric type energy that the problems such as making the complexity in circuits and manufacturing cost that improve device proposes a kind of time-sharing multiplex collects dress It sets, can effectively solve the problems such as phase difference in aforementioned background art, circuit are complicated, at high cost.

The foregoing is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, Anyone skilled in the art in the technical scope disclosed by the present invention, using this design carries out the present invention non- Substantive change belongs to the behavior for invading the scope of the present invention.

Claims (10)

1. a kind of piezoelectric type energy collection device of time-sharing multiplex, it is characterised in that including cavity and be set to inside cavity Transmission shaft, thumb wheel, cam, push rod, push rod support frame, spring, piezoelectric cantilever, piezoelectric patches, conducting wire, conductive switch;
One end of the transmission shaft and the bottom of the cavity cooperate, and the top of the other end and the cavity cooperates;The thumb wheel And cam successively coaxially interlocks setting with transmission shaft from top to bottom;One end of the push rod connects the cam, when the cam When revolution, it is mobile that the push rod makees reciprocating linear;The push rod is fixed on push rod support frame far from one end of the cam, institute It states push rod and connects one end of the cam and be provided with a baffle ring, the other end is provided with a concave groove, in the inner wall up and down of concave groove And the local location of outer lower face surface is coated with one layer of conductive layer on push rod;The spring pocket is set to the gear on push rod Between ring and push rod support frame, one end of the push rod support frame is fixed on cavity bottom, and the other end supports push rod;The pressure One end of electric cantilever beam is fixed with cavity, and the other end is free end;The piezoelectric patches is attached to the surface of the piezoelectric cantilever; The conductive switch is fixed on the inner wall of cavity, and one end positive and negative anodes of the conductive switch connect the piezoelectric patches by conducting wire Positive and negative anodes, the other end are slidably connected with the positive and negative anodes in concave groove.
2. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 1, which is characterized in that the thumb wheel Side be provided with a plectrum;Line of symmetry on the line of symmetry of the plectrum in the horizontal direction and cam horizontal direction is in same One plane, and be all arranged with transmission shaft linkage;When transmission shaft rotates, the thumb wheel axis around transmission shaft synchronous with cam is rotated.
3. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 2, which is characterized in that the push rod Upper outer lower face surface conductive layer be respectively positive and negative anodes and use conducting wire by the anode of push rod outer surface be connected to a little as entirely The anode of energy collecting device, the cathode of push rod outer surface are connected to some cathode as entire energy collecting device;It is described The number of push rod and the number of piezoelectric cantilever are identical, increase with the number of piezoelectric cantilever and increase.
4. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 3, which is characterized in that the piezoelectricity Cantilever beam number at least two, be symmetrically distributed in inside cavity;One end of piezoelectric cantilever is fixed with cavity, another The direction contact that the plectrum of end and the thumb wheel is rotated along thumb wheel, when thumb wheel drives plectrum rotation, the plectrum and piezoelectricity Cantilever beam contact makes it generate deformation.
5. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 4, which is characterized in that the energy There are four push rod, four piezoelectric cantilevers, four piezoelectric patches, four conductive switch for collection device setting;Respectively the first push rod, Second push rod, third push rod, the 4th push rod, the first piezoelectric cantilever, the second piezoelectric cantilever, third piezoelectric cantilever, the 4th Piezoelectric cantilever, the first piezoelectric patches, the second piezoelectric patches, third piezoelectric patches, the 4th piezoelectric patches, the first conductive switch, the second conduction Switch, third conductive switch, the 4th conductive switch.
6. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 5, which is characterized in that when thumb wheel and During cam rotates, the first piezoelectric cantilever is generated free vibration by after plectrum impact at first, makes to be attached to the first pressure The first piezoelectric patches on electric cantilever beam is activated to generate electricity, and the first push rod compression bullet under the forcing of the outer profile of cam Spring is mobile to the outside of cavity, contacts with the first conductive switch, and certain length is kept to contact distance, and described at this time second pushes away Bar, third push rod, the 4th push rod, which are in, closely to stop or backhaul state, conductive with corresponding second conductive switch, third respectively Switch, the 4th conductive switch disconnect, and only the first piezoelectric patches generates electricity and connected by conducting wire and extraneous load at this time, i.e., only There is the first piezoelectric patches as power supply and extraneous load conduction;
During thumb wheel continues to rotate the second piezoelectric cantilever of impact, the first push rod is in backhaul state and in spring-return It gradually back moves under the action of power and is disconnected with the first conductive switch, the second piezoelectric cantilever generates after being struck freely to shake It is dynamic, make the second piezoelectric patches being attached on the second piezoelectric cantilever be activated to generate electricity, and the second push rod is in the outer of cam Compressed spring is mobile to the outside of cavity under the forcing of profile, contacts with the second conductive switch, and keep certain length contact away from From the first push rod, third push rod, the 4th push rod, which are in, at this time closely stops or backhaul state, conductive with corresponding first respectively Switch, third conductive switch, the 4th conductive switch disconnect, and only the second piezoelectric patches generates electricity and by conducting wire and the external world at this time Load connection, i.e. only the second piezoelectric patches are as power supply and extraneous load conduction;
Continue movement in the manner described above to go down, third piezoelectric patches and the 4th piezoelectric patches generate electricity and lead to after being successively activated It crosses conducting wire to be connected with external world's load, successively as a power supply and extraneous load conduction;Then it loops back and forth like this, passes through machinery The motion mode of structure successively switches between each switch, so that each piezoelectric patches generates electricity and leads to after being successively activated It crosses conducting wire to be connected with external world's load, is successively extraneous load supplying as a power supply, realizes the function of time-sharing multiplex.
7. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 1, which is characterized in that the spring Specially cylinder compression type springs, the number of the spring and the number of push rod are identical, increase with the number of push rod and increase.
8. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 1, which is characterized in that the push rod Specially pinnacle push rod or roller tappet or flat push rod.
9. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 1, which is characterized in that the cam Specially disc cam or cylindrical cam.
10. a kind of piezoelectric type energy collection device of time-sharing multiplex according to claim 1, which is characterized in that described to push away Bar support frame is specially arch form push rod support frame.
CN201811438862.7A 2018-11-28 2018-11-28 Time-sharing multiplexing piezoelectric type energy collecting device CN109546889B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811438862.7A CN109546889B (en) 2018-11-28 2018-11-28 Time-sharing multiplexing piezoelectric type energy collecting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811438862.7A CN109546889B (en) 2018-11-28 2018-11-28 Time-sharing multiplexing piezoelectric type energy collecting device

Publications (2)

Publication Number Publication Date
CN109546889A true CN109546889A (en) 2019-03-29
CN109546889B CN109546889B (en) 2020-04-24

Family

ID=65851777

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811438862.7A CN109546889B (en) 2018-11-28 2018-11-28 Time-sharing multiplexing piezoelectric type energy collecting device

Country Status (1)

Country Link
CN (1) CN109546889B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052324A1 (en) * 2005-10-18 2010-03-04 Board Of Regents, The University Of Texas System Piezoelectric windmill apparatus
CN102751907A (en) * 2012-06-14 2012-10-24 广州市番禺奥迪威电子有限公司 Cantilever beam type piezoelectric generator
CN103069708A (en) * 2010-08-25 2013-04-24 松下电器产业株式会社 Vibration power generating element and vibration power generating device using same
DE102013204102A1 (en) * 2013-03-11 2014-09-11 Siemens Aktiengesellschaft Electricity generation by electromechanical conversion
CN105406764A (en) * 2015-11-24 2016-03-16 南京工业职业技术学院 Rotary type piezoelectric generator apparatus
CN107994799A (en) * 2018-01-09 2018-05-04 青岛大学 Multiple coil at the same time/time sharing power supply current mode single-stage multi input annulus inverter in high frequency
CN108418463A (en) * 2018-03-28 2018-08-17 京东方科技集团股份有限公司 A kind of time-sharing multiplex piezoelectric circuit and its control method, piezo-electric device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100052324A1 (en) * 2005-10-18 2010-03-04 Board Of Regents, The University Of Texas System Piezoelectric windmill apparatus
CN103069708A (en) * 2010-08-25 2013-04-24 松下电器产业株式会社 Vibration power generating element and vibration power generating device using same
CN102751907A (en) * 2012-06-14 2012-10-24 广州市番禺奥迪威电子有限公司 Cantilever beam type piezoelectric generator
DE102013204102A1 (en) * 2013-03-11 2014-09-11 Siemens Aktiengesellschaft Electricity generation by electromechanical conversion
CN105406764A (en) * 2015-11-24 2016-03-16 南京工业职业技术学院 Rotary type piezoelectric generator apparatus
CN107994799A (en) * 2018-01-09 2018-05-04 青岛大学 Multiple coil at the same time/time sharing power supply current mode single-stage multi input annulus inverter in high frequency
CN108418463A (en) * 2018-03-28 2018-08-17 京东方科技集团股份有限公司 A kind of time-sharing multiplex piezoelectric circuit and its control method, piezo-electric device

Also Published As

Publication number Publication date
CN109546889B (en) 2020-04-24

Similar Documents

Publication Publication Date Title
CN102723894B (en) Rotary piezoelectric generation device
KR100934956B1 (en) Photovoltaic Driven Secondary Battery System
CN102606375B (en) One-way damping wave power generation device
CN102025289B (en) Portable generating set and intelligent terminal
CN204436684U (en) A kind of swing type energy collecting device
CN103312216B (en) A kind of fluid piezoelectric generating device and device group
CN103603765B (en) Offshore type Wave energy sea water desalinating is in conjunction with electricity generating device
CN101866768B (en) Environment-friendly remote switch for lamps
US10033249B2 (en) Mobile induction and power-generation device
CN2751478Y (en) Generator and semiconductor device
CN104377995B (en) Rotate wheel non-contact exciting formula fluid kenetic energy converting device
CN201546904U (en) Permanent magnetic floating vertical axis wind driven generator
CN206533336U (en) A kind of domestic movable photovoltaic generator
US20100276938A1 (en) Aerogenerator
KR101579314B1 (en) Power generator
CN102868319B (en) Based on human motion energy energy regenerating and utilize device
CN107707155B (en) A kind of ultra wide band high energy efficiency device for collecting piezoelectric vibration energy
CN105673310A (en) Multi-dimensional floater type parallel ocean power generation device
CN101206082B (en) Auto-tracking sun device
CN108183627B (en) Direction vibration energy collecting device based on giant magnetostrictive material
CN103174579A (en) Swing type water surface power generating device
CN103114957B (en) Wave energy collecting device
CN201133322Y (en) Sea wave generating platform
CN104005901B (en) A kind of based on many oscillators to the formula vortex-induced vibration electricity generating device that shakes
CN101886603B (en) Automatic power supply device of river navigation mark lighthouse

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
GR01 Patent grant
GR01 Patent grant