CN110323961A - Friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection system - Google Patents
Friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection system Download PDFInfo
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- CN110323961A CN110323961A CN201910477016.4A CN201910477016A CN110323961A CN 110323961 A CN110323961 A CN 110323961A CN 201910477016 A CN201910477016 A CN 201910477016A CN 110323961 A CN110323961 A CN 110323961A
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
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- H02J7/025—
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N1/00—Electrostatic generators or motors using a solid moving electrostatic charge carrier
- H02N1/04—Friction generators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
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- Engineering & Computer Science (AREA)
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention discloses friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection systems.It will be a very big technological break-through if magnetic coupling resonance type wireless energy transmission technology can be applied to the wireless transmission of TENG energy.The present invention is made of friction nanometer power generator, linked switch, magnet coupled resonant type transmitting module, magnet coupled resonant type receiving module and energy storage module, in the case where being not necessarily to the energy management circuit and battery of external active, collects the mechanical energy of surrounding enviroment and be converted into electric energy as equipment power supply;It can avoid the trouble that electric wire is wound mutually by wireless power transmission method, will not there is loss caused by mechanical wear etc. when connecting and separating;Magnetic coupling resonance wireless energy transfer mode can largely increase energy transmission efficiency;Can be applied to some special occasions avoid replacement battery trouble, such as pour with the electronic equipment in concrete, be implanted into the man-made organ etc. of human body.
Description
Technical field
The invention belongs to friction nanometer power generator energy collection technology fields, and in particular to one kind is with friction nanometer power generator
For the magnet coupled resonant type wireless energy transmission and collection system of the energy.
Background technique
It is renewable with the development of intelligent electronic device, such as intelligent portable wearable device, wireless sensor network
It is become more and more important with sustainable electric power resource (can be used for establishing without battery system).Due to the power consumption of these electronic systems
For hundreds of milliwatts to tens of milliwatts, therefore can be dynamic to be provided for these electronic systems by collecting the mechanical energy of ambient enviroment
Power.Extensive research and application has been obtained in microgenerator based on piezoelectricity, electromagnetism and pyroelectric effect.Based on electrostatic sense
It should be a kind of emerging green energy resource technology with the friction nanometer power generator of contact electrification principle.Electric nano generator rub not only
A kind of feasible means for the power supply of portable and wearable electronic product are provided, and also illustrate the possibility to generate electricity on a large scale
Approach.It is a kind of ideal energy collection method due to its availability abundant.
It is in 2006, referred to as " piezoelectric nano generator " (PENG) that the concept of nano generator, which is put forward for the first time,.Then,
A kind of new Energy harvesting methods are proposed based on triboelectric effect.This new technology is referred to as " the electric nano generator of friction
(TENG)".Similar with PENG, new energy collection technology has attracted many researchers as a kind of strong technology
It is used.The friction electricity nano generator (TENG) invented by Wang Zhonglin et al. in 2012, can convert available mechanical energy,
Such as vibration, have been used for many different applications, and promotes researcher to be used for for mobile device and wearable
Electronic equipment provides electric power.
Wireless energy transfer (Wireless Power Transmission WPT) be by means of electromagnetic field or electromagnetic wave into
A kind of technology of row energy transmission.Electromagnetic coupling wireless energy transfer, EMR electromagnetic resonance energy can be divided into according to the distance of transmission range
Amount transmission and electromagnetic wave wireless energy transfer.Wherein electromagnetic coupling energy transmission is mainly used in the occasion being closer, energy
Efficiency of transmission is higher, and the wireless energy transfer system based on electromagnetic wave, transmission range relatively far away from, but cannot achieve high-power
Transmission.Magnet coupled resonant type wireless energy transmission is the selection of a compromise.Magnet coupled resonant type wireless energy transmission (MCR-
WPT) technology can realize the transmission of the wireless energy of moderate distance with higher efficiency of transmission, with magnetic induction manifold type wireless energy
Transmission is compared, and farther out, compared with electromagnetic wave energy transmission, transimission power is larger for transmission range.The scientist of MIT in 2007
There is breakthrough in electric energy wireless transmission principle, they realize the electric energy of middle distance using electromagnetic coupling resonance principle
Wireless transmission, is lighted in 2m multiple spurs from the interior light bulb by a 60W, and efficiency of transmission reaches 40% or so, this method is claimed
Make WiTricity technology.The technology has the advantage that the transmission energy that (1) can orient compared with other technologies, only when
Energy could be received in the presence of resonance coil.Transmission since the natural resonance frequency of biological tissue is generally very low, to energy
It has little effect, so the technology is safe for human body.(2) wireless energy transfer of distance in can carrying out,
Once traditional method transmission range is increased efficiency of transmission and will sharply be declined.(3) there is very strong adaptability, in energy
It is not influenced by intermediate obstacle during transmission, i.e., still can effectively transmit energy in the place that sight is not achieved.
TENG has great achievement in energy storage field, sensory field, the research etc. for the electric material that rubs, but
Research in terms of wireless power is relatively fewer.Wireless power with electric wire without being connected, it is only necessary to which equipment is put into charging module
Nearby.Multiple charging modules can be saved in the case where there are multiple power devices, a plurality of electric wire is avoided to wind mutually
Trouble.Loss caused by mechanical wear when connecting and separating etc. is not had.More importantly wireless power supply system can be with
In complex environment for equipment power, such as pour with the electronic equipment in concrete, be implanted into the man-made organ of human body, wireless charging
Electricity is best energy-provision way.Usually said magnet coupled resonant type wireless energy transmission system using standard sine wave
Voltage fed.The output voltage of TENG is a series of positive and negative alternate pulse signals, if can be by magnet coupled resonant type wireless energy
The wireless transmission that transmission technology is applied to TENG energy is measured, will be a very big technological break-through.
Summary of the invention
In view of the deficiencies of the prior art, it is an object of the present invention to provide a kind of friction nanometer power generator magnet coupled resonant type without
Heat input transmission and collection system.
The present invention is received by friction nanometer power generator, linked switch, magnet coupled resonant type transmitting module, magnet coupled resonant type
Module and energy storage module composition;The friction nanometer power generator includes substrate, friction battery plate and conductive electrode;The linkage
Switch is connected when two friction battery plates are in spacing minimum and spacing maximum position, is in other positions in two friction battery plates
When disconnect;Corresponding with the end that conductive electrode electrical connection of one end of linked switch, the other end of linked switch and another
A voltage signal output end of the conductive electrode respectively as friction nanometer power generator;Two voltages of friction nanometer power generator are believed
Two input terminals of number output end and magnet coupled resonant type transmitting module are separately connected;The energy storage module includes rectification
Circuit and accumulator;Two output ends of magnet coupled resonant type receiving module and two input terminals of rectification circuit connect respectively
It connects;Two output ends of rectification circuit and two input terminals of storage circuit are separately connected.
Further, the magnet coupled resonant type transmitting module and magnet coupled resonant type receiving module resonance having the same
Frequency.
Further, using the structure of friction nanometer power generator be separation-contact, sliding-modes, single electrode mode or from
One of upright mode.
Further, friction nanometer power generator is one or more;When being multiple, multiple friction nanometer power generators series connection or simultaneously
Connection composition friction nanometer power generator group, two voltage signal output ends and magnet coupled resonant type of friction nanometer power generator group emit
Two input terminals of module are separately connected;Magnet coupled resonant type receiving module is one or more;When being multiple, multiple magnetic couplings
Resonant mode receiving module form magnet coupled resonant type receiving module group, two output ends of magnet coupled resonant type receiving module group with
Two input terminals of rectification circuit are separately connected.
Further, the magnet coupled resonant type transmitting module is by capacitor C1With inductance L1The RLC oscillating circuit of composition,
The inductance L1With internal resistance R1;The magnet coupled resonant type receiving module is by inductance L2With capacitor C2The RLC of composition shakes
Swing circuit, the inductance L2With internal resistance R2;Capacitor C1With capacitor C2Capacitance be 0.1fF to 1000F;Inductance L1And electricity
Feel L2Inductance be 0.1 μ H to 1000H, inductance L1Diameter with inductance L2 is 1mm-1000mm, inductance L1 and inductance L2
Turn ratio be 0.01-1000, and inductance L1 and inductance L2 are the inductance with magnetic core or the inductance without magnetic core.
Further, the capacitor C1Capacitance and inductance L1Inductance product and capacitor C2Capacitance and inductance L2
Inductance product it is equal.
Further, the capacitor C in the magnet coupled resonant type transmitting module1With inductance L1For in parallel or series;The magnetic coupling
Close the capacitor C in resonant mode receiving module2With inductance L2For in parallel or series.
Further, the rectification circuit is the rectification that the rectifier bridge being made of four diodes or two diodes are constituted
Bridge, storage circuit are storage capacitance C3Or battery;Two of two output ends of magnet coupled resonant type receiving module and rectifier bridge
Input terminal is separately connected;When storage circuit is storage capacitance C3When, two output ends and storage capacitance C of rectifier bridge3Both ends point
It does not connect;When storage circuit is battery, two output ends and the battery both ends of rectifier bridge are separately connected.
The invention has the benefit that
The present invention can collect the machine of surrounding enviroment in the case where being not necessarily to the energy management circuit and battery of external active
Tool can and convert the ac signal with certain frequency, can directly be supplied by wireless power transmission method to the equipment needed
Electricity, the trouble for avoiding electric wire from winding mutually;By adjusting the resonance frequency for receiving circuit, make its resonance frequency with transmitting module
Unanimously, at this point, wireless energy transmission efficiency can be improved in magnetic coupling resonant state in energy transmitting and reception system work;It can
Applied to some special occasions avoid replacement battery trouble, such as pour with the electronic equipment in concrete, be implanted into human body
Man-made organ etc..By introducing linked switch friction nanometer power generator energy delivery efficiency can be greatly improved, if do not had in the present invention
There is linked switch, friction nanometer power generator only has a small amount of energy coupling to LC oscillating circuit.In addition, present invention uses Double-linkages
Switch, when so that generator output voltage reaching positive maximum or reversed maximum, switch is both turned on, i.e., externally instantaneous to supply
Electricity, the transmitting module that such LC oscillating circuit is constituted can generate concussion letter twice within one period of motion of friction generator
Number, to collect energy of the friction nanometer power generator in entire motion process.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the TENG schematic diagram with linked switch in the embodiment of the present invention;
Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) and Fig. 3 (e) are that the TENG with linked switch exists in the embodiment of the present invention
The work flow diagram of magnet coupled resonant type transmitting module in one duty cycle;
Fig. 4 is output voltage wave figure of the TENG with linked switch when working frequency is 4Hz;
Fig. 5 is the oscillator signal waveform diagram that magnet coupled resonant type transmitting module generates in the embodiment of the present invention;
Fig. 6 is magnet coupled resonant type receiving module received signal waveform diagram in the embodiment of the present invention;
Fig. 7 is the charging voltage change curve of the storage capacitance of energy storage module in the embodiment of the present invention;
In figure: 1, friction nanometer power generator, 2, magnet coupled resonant type transmitting module, 3, magnet coupled resonant type receiving module,
4, energy storage module;5, substrate, 6, friction battery plate, 7, conductive electrode, 8, linked switch, 9, return spring.
Specific embodiment
In order to more specifically describe the present invention, technical solution of the present invention is carried out with reference to the accompanying drawings and embodiments detailed
It describes in detail bright.
As shown in Figure 1, friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection system, including friction are received
Rice generator 1, linked switch, magnet coupled resonant type transmitting module (circuit for generating alternation oscillator signal) 2, magnet coupled resonant type
Receiving module 3 and energy storage module 4.Magnet coupled resonant type transmitting module 2 is by capacitor C1With inductance L1(inductance L1With interior
Hinder R1) constitute RLC resonance circuit;Magnet coupled resonant type receiving module 3 is by capacitor C2With inductance L2(inductance L2With internal resistance
R2) constitute RLC resonance circuit.Capacitor C in magnet coupled resonant type transmitting module1With inductance L1In parallel or series, magnetic coupling
Close the capacitor C in resonant mode receiving module2With inductance L2In parallel or series, therefore, magnet coupled resonant type transmitting module and magnetic
Capacitor and inductance in coupled resonance formula receiving module just have multiple-series, serial-parallel, parallel connection-in parallel or series-series connection
Multiple combinations form.By taking the combining form of multiple-series as an example, i.e. the capacitor C of magnet coupled resonant type transmitting module1And inductance
L1Parallel connection, the inductance L of magnet coupled resonant type receiving module 32One end and capacitor C2One end series connection: two of friction nanometer power generator 1
Voltage signal output end and capacitor C1Both ends are separately connected;Inductance L2The other end and energy storage module 4 an input terminal connect
It connects, capacitor C2The other end connect with another input terminal of energy storage module 4.
The working principle of the friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection system is as follows: joining
Under the control of dynamic switch, TENG exports a series of positive and negative alternate pulse voltages.The magnetic coupling resonance being made of RLC resonance circuit
Formula transmitting module will generate the oscillator signal of decaying under the excitation of this pulse voltage.Inductance L2It is connect in a manner of resonance coupling
Receive inductance L1Energy, in 3 circuit of magnet coupled resonant type receiving module generate same frequency decaying oscillator signal.Magnetic coupling is humorous
Energy entrained by oscillator signal in 3 circuit of vibration formula receiving module is stored in after rectification circuit in energy storage module 4 to be deposited
During storage is held.Adjust capacitor C1、C2With inductance L1、L2Make to constitute magnet coupled resonant type transmitting module and magnet coupled resonant type receives
Two RLC resonance circuit resonance frequencies having the same in module, can obviously increase wireless energy transmission efficiency.
As shown in Fig. 2, friction nanometer power generator 1 includes substrate 5, friction battery plate 6, conductive electrode 7, linked switch 8 and returns
Power spring 9;Two pieces of substrates 5 are oppositely arranged, and a conductive electrode 7 is fixed on the medial surface of two pieces of substrates 5, and two pieces of substrates
5 medial surface is connected by two return springs 9 that spacing is arranged;One piece is fixed on the opposite face of two conductive electrodes 7 to rub
Wipe battery plate 6;In two pieces of friction battery plates 6, one piece is rubbed electric material (such as PA6) using positivity, and another piece using the electric material of negativity friction
Expect (such as PDMS);Medial surface of the both ends of linked switch 8 respectively with two pieces of substrates 5 is fixed, and wherein one end is corresponding with the end
The electrical connection of that conductive electrode 7;The other end of linked switch 8 and another conductive electrode 7 are defeated respectively as a voltage signal
Outlet, and connect two input terminals of magnet coupled resonant type transmitting module 2;The effect of linked switch is to guarantee TENG only at two pieces
Powering load when friction battery plate contacts with each other and be separated to maximum distance.During two pieces of friction battery plates of TENG are mobile,
Two conductive electrodes are in not contact condition, therefore electric charge transfer will not occur between two conductive electrodes.In fact, load
Circuit is the magnet coupled resonant type transmitting module being made of RLC resonance circuit, if directly load is connected with TENG, due to
The low frequency characteristic of inductance, TENG are in short-circuit condition always, export without electric signal, and linked switch has well solved this and asked
Topic.Fig. 3 (a), Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) and Fig. 3 (e) show the friction nanometer power generator 1 with linked switch and magnetic coupling
After closing the connection of resonant mode transmitting module 2, magnet coupled resonant type transmitting module 2 generates the work flow diagram of oscillator signal.Work as TENG
Two pieces of friction battery plates 6 when contacting with each other, linked switch closure;The surface of two pieces of friction battery plates can generate triboelectric charge at this time,
As shown in Fig. 3 (a).When two conductive electrodes are initially separated, linked switch is opened;In the process of two conductive electrodes separation
In, there is no electric charge transfer between two conductive electrodes of TENG, as shown in Fig. 3 (b).When two conductive electrodes are separated to dominant bit
When setting, linked switch closure;Under the action of triboelectric charge, TENG exports a pulse voltage, with positively charged friction electricity
Positive charge on the fixed conductive electrode of plate flows on another conductive electrode through magnet coupled resonant type transmitting module, then leads for two
Positive and negative charge is stored on electrode respectively;The magnet coupled resonant type transmitting module being made of RLC resonance circuit is in this pulse voltage
Excitation under can generate one decaying oscillator signal, as shown in Fig. 3 (c).When two conductive electrodes are mutually leaned on by maximum distance
When close, linked switch is opened;During two conductive electrodes are close, there is no charge to turn between two conductive electrodes of TENG
It moves, as shown in Fig. 3 (d).When pole plate contacts with each other and returns to initial position, linked switch closure;It is stored in conductive electrode
Under the action of charge, the positive charge on positively charged conductive electrode flows to another conduction through magnet coupled resonant type transmitting module
On electrode, TENG exports another pulse voltage;The magnet coupled resonant type transmitting module being made of RLC resonance circuit is in this pulse
The oscillator signal that another decaying is generated under the excitation of voltage, as shown in Fig. 3 (e);After pulse voltage output, two conductive electrodes
On it is not charged.Hereafter it is repeated in shown in Fig. 3 (b), Fig. 3 (c), Fig. 3 (d) and Fig. 3 (e) in two pieces of friction battery plates of TENG
Cyclic process, and each cycle period generates two oscillator signals.It should be noted that TENG can't when contacting for the first time
Oscillator signal is generated, working condition shown in Fig. 3 (a) is corresponded to.
The output signal (pulse voltage) of TENG under linked switch control is as shown in figure 4, a direct impulse and one
Reverse impulse is a duty cycle of TENG.Magnet coupled resonant type transmitting module and magnet coupled resonant type receiving module are simultaneously
Connection-concatenated combining form.When TENG generates a direct impulse in Fig. 4, the correspondence of magnet coupled resonant type transmitting module generation
Oscillator signal decay as shown in figure 5, its oscillation frequency, the rate of decay is by resistance R1, capacitor C1With inductance L1It codetermines.Work as magnetic
When coupled resonance formula receiving module is close to magnet coupled resonant type transmitting module, incudes in magnet coupled resonant type receiving module circuit and produce
The decaying oscillator signal of raw same frequency.Adjust capacitor C1And C2, make to constitute magnet coupled resonant type transmitting module and magnet coupled resonant type
Two RLC series resonant circuit resonance frequencies having the same in receiving module, then inductance L2On voltage U at any time t become
It is as shown in Figure 6 to change curve.The two of rectifier bridge in two output termination energy storage modules 4 of magnet coupled resonant type receiving module 3
A input terminal, as the capacitor C of magnet coupled resonant type receiving module 32With inductance L2When in parallel, capacitor C2Both ends respectively as magnetic
Two output ends of coupled resonance formula receiving module 3, as the capacitor C of magnet coupled resonant type receiving module 32One end and inductance L2One
When the series connection of end, capacitor C2An output end of the other end as magnet coupled resonant type receiving module 3, inductance L2The other end make
For the another output of magnet coupled resonant type receiving module 3.Energy storage module includes the rectification being made of four diodes
Bridge and storage capacitance C3;Two output ends and storage capacitance C of rectifier bridge3Both ends are separately connected;Storage capacitance C3One end ground connection;
Energy entrained by the received oscillator signal of magnet coupled resonant type receiving module gives storage capacitance C after rectifier bridge3Charging.
Two pieces of friction battery plates of TENG are allowed to work under the contact frequency of 4Hz, storage capacitance C3Charging voltage change it is bent
Line is as shown in fig. 7, C in the present embodiment3For 10pf.C3The electric energy of middle storage can give some mobile power supply equipments.
Above to friction nanometer power generator magnet coupled resonant type wireless energy transmission provided by the present invention and collection system
It is described.And in conjunction with attached drawing, further illustrate the present invention.The above embodiments are only used to help understand originally
The method and its core concept of invention.It should be pointed out that for those skilled in the art, not departing from this hair
, can be with several improvements and modifications are made to the present invention under the premise of bright principle, these improvement and modification also fall into the present invention
In scope of protection of the claims.
Claims (8)
1. friction nanometer power generator magnet coupled resonant type wireless energy transmission and collection system, it is characterised in that: by friction nanometer
Generator, linked switch, magnet coupled resonant type transmitting module, magnet coupled resonant type receiving module and energy storage module composition;
The friction nanometer power generator includes substrate, friction battery plate and conductive electrode;The linked switch is in two friction battery plates
It is connected when spacing minimum and spacing maximum position, is disconnected when two friction battery plates are in other positions;One end of linked switch
That conductive electrode electrical connection corresponding with the end, the other end of linked switch and another conductive electrode are received respectively as friction
One voltage signal output end of rice generator;Two voltage signal output ends and magnet coupled resonant type of friction nanometer power generator
Two input terminals of transmitting module are separately connected;The energy storage module includes rectification circuit and accumulator;Magnetic coupling
Two output ends of resonant mode receiving module and two input terminals of rectification circuit are separately connected;Two output ends of rectification circuit
It is separately connected with two input terminals of storage circuit.
2. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 1 and collection system,
It is characterized in that: the magnet coupled resonant type transmitting module and magnet coupled resonant type receiving module resonance frequency having the same.
3. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 1 and collection system,
Be characterized in that: the structure using friction nanometer power generator is separation-contact, sliding-modes, single electrode mode or self-supporting mould
One of formula.
4. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 1 and collection system,
Be characterized in that: friction nanometer power generator is one or more;When being multiple, multiple friction nanometer power generators are connected in series or in parallel
Friction nanometer power generator group, two voltage signal output ends and the magnet coupled resonant type transmitting module of friction nanometer power generator group
Two input terminals are separately connected;Magnet coupled resonant type receiving module is one or more;When being multiple, multiple magnet coupled resonant types
Receiving module forms magnet coupled resonant type receiving module group, two output ends and rectified current of magnet coupled resonant type receiving module group
Two input terminals on road are separately connected.
5. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 1 or 2 and collection system,
It is characterized by: the magnet coupled resonant type transmitting module is by capacitor C1With inductance L1The RLC oscillating circuit of composition, it is described
Inductance L1With internal resistance R1;The magnet coupled resonant type receiving module is by inductance L2With capacitor C2The RLC of composition shakes electricity
Road, the inductance L2With internal resistance R2;Capacitor C1With capacitor C2Capacitance be 0.1fF to 1000F;Inductance L1With inductance L2
Inductance be 0.1 μ H to 1000H, inductance L1Diameter with inductance L2 is 1mm-1000mm's, inductance L1 and inductance L2
Turn ratio is 0.01-1000, and inductance L1 and inductance L2 are the inductance with magnetic core or the inductance without magnetic core.
6. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 5 and collection system,
It is characterized in that: the capacitor C1Capacitance and inductance L1Inductance product and capacitor C2Capacitance and inductance L2Inductance
It is equal to measure product.
7. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 5 and collection system,
It is characterized in that: the capacitor C in the magnet coupled resonant type transmitting module1With inductance L1For in parallel or series;The magnetic coupling resonance
Capacitor C in formula receiving module2With inductance L2For in parallel or series.
8. friction nanometer power generator magnet coupled resonant type wireless energy transmission according to claim 1 or 2 and collection system,
It is characterized by: the rectification circuit is the rectifier bridge that the rectifier bridge being made of four diodes or two diodes are constituted,
Storage circuit is storage capacitance C3Or battery;Two inputs of two output ends and rectifier bridge of magnet coupled resonant type receiving module
End is separately connected;When storage circuit is storage capacitance C3When, two output ends and storage capacitance C of rectifier bridge3Both ends connect respectively
It connects;When storage circuit is battery, two output ends and the battery both ends of rectifier bridge are separately connected.
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Cited By (2)
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CN112669488A (en) * | 2020-11-26 | 2021-04-16 | 杭州电子科技大学 | Metal product counting and sorting method based on friction nano generator and LC sensing |
CN113938050A (en) * | 2021-09-13 | 2022-01-14 | 浙江大学 | High-sensitivity instantaneous self-powered wireless sensing system of friction nano generator |
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