CN208180681U - A kind of double-deck generating tire based on PVDF - Google Patents
A kind of double-deck generating tire based on PVDF Download PDFInfo
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- CN208180681U CN208180681U CN201820701166.XU CN201820701166U CN208180681U CN 208180681 U CN208180681 U CN 208180681U CN 201820701166 U CN201820701166 U CN 201820701166U CN 208180681 U CN208180681 U CN 208180681U
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Abstract
The utility model relates to a kind of double-deck generating tire based on PVDF, it is characterized by comprising rubbery cover tyre, honeycomb carcass, internal layer steel rings, the honeycomb carcass sleeve is outside internal layer steel ring, rubbery cover tyre covers outside honeycomb carcass, internal layer power generation film is equipped between the honeycomb carcass and internal layer steel ring, it is equipped with one layer of outer layer power generation film between honeycomb carcass and rubbery cover tyre, is equipped at least two layers of hexagon hollow cavity in honeycomb carcass.The utility model makes full use of the motion stress of tire and the air pressure double cropping of hexagon hollow cavity to be used for piezoelectric material PVDF, charge can quickly be generated by its piezoelectric effect, greatly improve the generating efficiency of piezoelectric material, then pass through ultralow input booster circuit, high voltage can externally be exported, again by accumulator, forms stable voltage and charge to rechargeable battery.
Description
Technical field
The utility model relates to piezo-electric generating technical fields, and in particular to a kind of double-deck generating tire based on PVDF.
Background technique
In recent years, energy-saving and emission-reduction already become an important process of country and colleges and universities' research, and how reasonable employment is effective
Resource, effective protection limited resources are each scientific research personnel or even university student's obligation one can't decline.
Realize that technical energy saving is the emphasis of China's energy-saving and emission-reduction at this stage work, over nearly twenty or thirty year, it has been found that and make
Some novel piezoelectric materials are created, most noticeable is just high polymer piezoelectric material, wherein most typical be exactly
Kynoar (PVDF), this piezoelectric material overcomes some disadvantages of pervious piezoelectric material, very soft, and can do
Must be very thin, and it has big dynamic range, and high-insulativity does mechanical strength and impact resistance, anti-radiation, low noise acoustic impedance,
Therefore the characteristics such as piezoelectric modulus is big receive the special attention of people, the discovery of this piezoelectric material sees that people again
Produce the hope of piezo-electric generating warming shoe.Since piezoelectric material has excellent characteristic, piezoelectric material is ground both at home and abroad
Study carefully more, is concentrated mainly on piezoelectric transducer, piezo component etc..Because less to the research of piezo-electric generating technology, therefore press
Electric generation technology will become following development trend.
Universal with shared bicycle and shared electric vehicle, original solar power generation is no longer satisfied shared bicycle
Extra electricity, which can store, after power consumption, with generating tire cooperation even can be equipped with night-light for shared bicycle, therefore
It has a extensive future.
Bicycle, electric vehicle, automobile etc. use the vehicles of tire during the motion, pressure meeting circulation change, energy
Pressure enough is provided for piezoelectric material, is produced electricl energy, application No. is 201710690002.1 Chinese patents, disclose one kind and are based on
The sports bicycle of PVDF pressure pad film, specifically disclosing the following contents includes power generator, power transmitting device, electric power storage Denso
It sets, power generator is assemblied in bicycle tyre, for converting the mechanical energy of tire when movement to by PVDF piezoelectric membrane
Electric energy, power transmitting device are fixed on rim position on the inside of cycle hub, power output are stored in storage using wireless transmission method
Electric power device provides mobile power source for electronic equipment；The power generator includes two PVDF piezoelectric membranes, yielding rubbers
Band, it is strip that PVDF, which presses piezoelectric membrane, and PVDF piezoelectric membrane is fixed on the folder inside bicycle tube outer rim and wheel tyre
In layer, and along tire circumferentially around overlaying one between PVDF piezoelectric membrane and wheel tyre, between two layers of PVDF piezoelectric membrane
Thickness is the yielding rubber band of 2mm；Yielding rubber band plays insulation protection between two layers of PVDF piezoelectric membrane, when voluntarily
Garage into when, utilize PVDF piezoelectric membrane direct piezoelectric effect power generation.This method is by two layers of Kynoar (PVDF) membrane material
Material is placed between the inner tube of a tyre and cover tire, is separated insulation with rubber between two layers of segregation fluoride film material, is simply increased in this way
The area of PVDF, but pressure change is not effectively utilized.
Summary of the invention
To overcome the deficiency, the purpose of this utility model is to provide a kind of double-deck generating tire based on PVDF.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of double-deck power wheel based on PVDF
Tire, including rubbery cover tyre, honeycomb carcass, internal layer steel ring, outside internal layer steel ring, rubbery cover tyre is covered in honeycomb the honeycomb carcass sleeve
It is equipped with internal layer power generation film outside carcass, between the honeycomb carcass and internal layer steel ring, is equipped between honeycomb carcass and rubbery cover tyre
One layer of outer layer power generation film, interior at least two layers of hexagon hollow cavity, the design of hexagon hollow cavity that be equipped with of honeycomb carcass both enhanced
Stability and damping effect, and improve the effective generating area of power generation film, during tire motion, following honeycomb
Carcass is squeezed, and hexagon hollow cavity is deformed, and the air of hexagon hollow cavity is compressed, when going to above, by
The hexagon hollow cavity of extruding restores to the original state, and generates extruding force, carries out secondary electricity generation, substantially increases internal layer power generation film and outer
The generating efficiency of layer power generation film.
Specifically, the angle of the intracorporal hexagon hollow cavity of the honeycomb tire is being under pressure in this way towards its center of circle direction
When effect, the deformation of honeycomb carcass is larger, and internal layer power generation film and outer layer power generation deformation of thin membrane are big, and generating efficiency is high.
Specifically, the outer layer power generation film and internal layer power generation film use PVDF thin film, and PVDF has insulation well
Property, one layer of metal layer directly is plated on its surface, then connects lead, the charge of system is exported.
Specifically, the outer layer power generation film and internal layer power generation film pass through conducting wire respectively and are connected with booster circuit, later
It is stored energy in battery by accumulator, wherein booster circuit mainly includes S-882Z series charge pump circuit, oscillation
Circuit, DC-DC converter, starting electricity container (CCPOUT) etc., and for accumulator, using MAX1811 as master control core
Piece carries out the collection of electric energy to rechargeable battery, and the input electricity at MAX1811 charge control end is reached by voltage after booster circuit
Pressure request, circuit are started to work.
The utility model has the following beneficial effects: making full use of the motion stress of tire and the air of hexagon hollow cavity
Pressure double cropping is used for piezoelectric material PVDF, can quickly generate charge by its piezoelectric effect, i.e., on the one hand pass through motion stress
Piezoelectric material is squeezed once to be generated electricity；On the other hand air cushion compressed air is utilized, PVDF is acted on, the pressure of generation carries out two
Secondary power generation, the generating efficiency for greatly improving piezoelectric material can externally export higher electricity then by ultralow input booster circuit
Pressure, then by accumulator, form stable voltage and charge to rechargeable battery, finally concentrated by solid matter battery pack and externally supplied
The advantages of electricity, PVDF piezoelectric membrane has light weight, flexible strong, and arbitrary shape is easily made is suitable for placement in tire, for certainly
Driving, especially shared bicycle is non-inflatable, saves maintenance cost, and can generate electricity, is other electrical components of bicycle, provides
Electric energy.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic diagram of internal structure of the utility model.
Fig. 3 is the circuit diagram of the booster circuit of the utility model.
Fig. 4 is the circuit diagram of the accumulator of the utility model.
1 rubbery cover tyre in figure, 2 honeycomb carcasses, 3 spokes, 4 internal layers power generation film, 5 outer layers power generation film, 6 internal layer steel rings.
Specific embodiment
The utility model is described in further detail presently in connection with attached drawing.
A kind of double-deck generating tire based on PVDF as shown in Figures 1 to 4, including it is rubbery cover tyre 1, honeycomb carcass 2, interior
Layer steel ring 6,2 sets of the honeycomb carcass outside internal layer steel ring 6,1 set of rubbery cover tyre outside honeycomb carcass 6, the honeycomb carcass 2 with
It is equipped with internal layer power generation film 4 between internal layer steel ring 6, one layer of outer layer power generation film 5 is equipped between honeycomb carcass 2 and rubbery cover tyre 1,
At least two layers of hexagon hollow cavity is equipped in honeycomb carcass 6, the design of hexagon hollow cavity had both enhanced stability and damping effect
Fruit, and effective generating area of power generation film is improved, during tire motion, honeycomb carcass 2 below is squeezed, and six
Side shape hollow cavity is deformed, and the air of hexagon hollow cavity is compressed, and when going to above, extruded hexagon is hollow
Chamber restores to the original state, and generates extruding force, carries out secondary electricity generation, substantially increases the power generation of internal layer power generation film and outer layer power generation film
Efficiency.
Specifically, spoke 3 is equipped in the internal layer steel ring 6.
Specifically, the angle of the hexagon hollow cavity in the honeycomb carcass 2 is being under pressure in this way towards its center of circle direction
When effect, the deformation of honeycomb carcass 2 is larger, and internal layer power generation film 4 and outer layer power generation film 5 deform greatly, and generating efficiency is high.
Specifically, the outer layer power generation film 5 and internal layer power generation film 4 use PVDF thin film, and PVDF has well absolutely
Edge directly plates one layer of metal layer on its surface, then connects lead, the charge of system is exported.
Specifically, the outer layer power generation film 5 and internal layer power generation film 4 are connected by conducting wire with booster circuit respectively, it
It is stored energy in battery by accumulator afterwards, wherein booster circuit (circuit diagram that Fig. 3 is booster circuit) is main
Including S-882Z series charge pump circuit, oscillating circuit, DC-DC converter, starting electricity container (CCPOUT) etc., circuit benefit
Step-up power can be exported from charge pump circuit with low-down input electric power (0.3V or more), step-up power is slowly charged to
Start in electricity container, once reach the starting electricity that set discharge ionization voltage can serve as boost DC-DC converter
Power, to discharge, and for accumulator (circuit diagram that Fig. 4 is accumulator), using MAX1811 as main control chip pair
Rechargeable battery carries out the collection of electric energy, is wanted by the input voltage that voltage after booster circuit reaches MAX1811 charge control end
It asks, circuit is started to work.
The utility model is not limited to the embodiment, anyone, which should learn, makes under the enlightenment of the utility model
Structure change, it is all that there is same or similar technical solution with the utility model, each fall within the protection scope of the utility model
Within.
Technology that the utility model is not described in detail, shape, construction portion are well-known technique.
Claims (4)
1. a kind of double-deck generating tire based on PVDF, it is characterised in that: including rubbery cover tyre, honeycomb carcass, internal layer steel ring, institute
Honeycomb carcass sleeve is stated outside internal layer steel ring, rubbery cover tyre covers outside honeycomb carcass, sets between the honeycomb carcass and internal layer steel ring
There is internal layer power generation film, one layer of outer layer power generation film is equipped between honeycomb carcass and rubbery cover tyre, is equipped at least in honeycomb carcass
Two layers of hexagon hollow cavity.
2. a kind of double-deck generating tire based on PVDF according to claim 1, it is characterised in that: in the honeycomb carcass
Hexagon hollow cavity angle towards its center of circle direction, in this way be under pressure act on when, the deformation of honeycomb carcass is larger, internal layer
Power generation film and outer layer power generation deformation of thin membrane are big, and generating efficiency is high.
3. a kind of double-deck generating tire based on PVDF according to claim 1, it is characterised in that: the outer layer power generation is thin
Film and internal layer power generation film use PVDF thin film, and PVDF has good insulating properties, directly plates one layer of metal layer on its surface, so
It is followed by lead, the charge of system is exported.
4. a kind of double-deck generating tire based on PVDF according to claim 1, it is characterised in that: the outer layer power generation is thin
Film and internal layer power generation film pass through conducting wire respectively and are connected with booster circuit, store energy in battery by accumulator later
In, wherein booster circuit mainly includes S-882Z series charge pump circuit, oscillating circuit, DC-DC converter, starting capacitor
Device (CCPOUT) etc., accumulator carry out the collection of electric energy using MAX1811 as main control chip to rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701166.XU CN208180681U (en) | 2018-05-11 | 2018-05-11 | A kind of double-deck generating tire based on PVDF |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820701166.XU CN208180681U (en) | 2018-05-11 | 2018-05-11 | A kind of double-deck generating tire based on PVDF |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208180681U true CN208180681U (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820701166.XU Expired - Fee Related CN208180681U (en) | 2018-05-11 | 2018-05-11 | A kind of double-deck generating tire based on PVDF |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052957A1 (en) * | 2019-09-16 | 2021-03-25 | Apollo Tyres Global R&D B.V. | Tyre comprising a piezoelectric device |
| WO2021052951A1 (en) * | 2019-09-16 | 2021-03-25 | Apollo Tyres Global R&D B.V. | Method for chemically adhering a diene rubber to a piezoelectric polymer |
-
2018
- 2018-05-11 CN CN201820701166.XU patent/CN208180681U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021052957A1 (en) * | 2019-09-16 | 2021-03-25 | Apollo Tyres Global R&D B.V. | Tyre comprising a piezoelectric device |
| WO2021052951A1 (en) * | 2019-09-16 | 2021-03-25 | Apollo Tyres Global R&D B.V. | Method for chemically adhering a diene rubber to a piezoelectric polymer |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181204 Termination date: 20190511 |