CN107819411A - Passive pressure TRT based on piezoelectric rubber - Google Patents
Passive pressure TRT based on piezoelectric rubber Download PDFInfo
- Publication number
- CN107819411A CN107819411A CN201711087246.7A CN201711087246A CN107819411A CN 107819411 A CN107819411 A CN 107819411A CN 201711087246 A CN201711087246 A CN 201711087246A CN 107819411 A CN107819411 A CN 107819411A
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- China
- Prior art keywords
- tire
- piezoelectric rubber
- brush
- wire
- piezoelectric
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- 239000002184 metal Substances 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims abstract description 8
- 239000012528 membrane Substances 0.000 claims description 6
- 238000010248 power generation Methods 0.000 claims description 6
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000002955 isolation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 3
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003502 gasoline Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001605 fetal effect Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/18—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing electrical output from mechanical input, e.g. generators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/34—Connections of conductor to slip-ring
Landscapes
- Tires In General (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention provides a kind of passive pressure TRT based on piezoelectric rubber, and the passive pressure TRT based on piezoelectric rubber includes tire, piezoelectric rubber film, metal polar plate, tire drive shaft and electric power output device.The flexible piezoelectric rubber that the TRT makes to be compound in tire using pressure caused by tire running and vibration produces pulse voltage, pulse current caused by pulse voltage is converted into by DC current by ac-dc converter circuit, and battery is charged, realize energy converting between mechanical.The present invention is realized using piezoelectric rubber to obtain the energy, and available for manufacture automotive tire pressure electricity generation system to improve fuel utilization ratio, this TRT is simple to manufacture, cost is low, service life length, will not cause secondary pollution.
Description
Technical field
The present invention relates to a kind of passive pressure TRT, more particularly to a kind of passive pressure based on piezoelectric rubber generates electricity
Device.
Background technology
Car ownership steeply rises both at home and abroad at present, but capacity usage ratio during running car is all very low, fuel-engined vehicle
To universal not high, the diesel engine only 30%~40% of utilization rate of heat energy, gasoline engine only 20%~35%, remaining most of heat energy
It is not utilized.In addition, diesel oil and gasoline refine from oil, oil is a kind of non-renewable source, if lasting use
Inefficient fuel-engined vehicle, petroleum resources will face exhaustion.
One of the crucial load bearing component of tire as automobile, have and bear vehicle load, driving force and system are transmitted to road surface
Power etc. acts on, and by using fuel-saving tire, at most only reduces about 5% vehicle fuel amount.If can be by the energy of tyre rotation process
Amount is used, and can save bulk petroleum dosage.
It is many that the related measure of the fuel utilization ratio of automobile is improved based on tyre rotation energy, it is more using mud guard and
The coil installed on wheel hub carries out radio energy-transmitting, and there is also the vibration generating device set using inside tires to carry out bypass circuit
The measures such as power supply.But above measure has certain drawback, as the tire pressure electric supply installation of radio energy-transmitting mode is needed in automobile primary
Field coil is installed simultaneously on body and wheel hub, system investment cost is too high, and installation coil easily influences tire production on wheel hub
And coil performance；Electricity is related to vibrational energy caused by vibration generating device, and the strong and weak smooth degree by ground vibrated
Influence, it is more difficult to control.
Therefore, design a kind of cost-effective, long lifespan and the passive pressure TRT for being easy to Project Realization are needed badly.
The content of the invention
For deficiencies of the prior art, it is an object of the invention to provide a kind of passive pressure based on piezoelectric rubber
Power generation device.By taking the automobile tire of rotation as an example, in outer inside tires roller tire outside, according to cover specification, along
Arrangement multi-disc piezoelectric rubber element inside tire circumference, the rubber using one kind of newest research and development be different from ceramic piezoelectric material and
The novel pressure generating rubber of macromolecule resin piezoelectric, there is high-output power and high flexibility, the rubber can be made as soft
Flexible film shape.Electric energy is produced using piezoelectric rubber deformation, the collection of energy is got up, the system available for vehicle traveling process is used
Electricity.
The present invention adopts the technical scheme that to solve above-mentioned technical problem：
A kind of passive pressure TRT based on piezoelectric rubber, it is characterised in that including tire, piezoelectric rubber film, metal pole
Plate, wire A, wire B, wheel rim, electric brush slip ring, tire drive shaft, ball, brush, brush carriage, stage clip, wire C and electric power are defeated
Go out device；
Piezoelectric rubber film is compounded in the near-earth side in tire, and metal polar plate is placed on piezoelectric rubber film；Piezoelectric rubber film is made
For generator unit, metal polar plate connecting wire A and wire B on the inside of it, wire A is connected with wheel rim, utilizes tire drive shaft
Electrode is formed, wire B is mutually connected with electric brush slip ring, and electric brush slip ring is arranged in tire drive shaft, and it is single to form whole tire generating
Member；Brush realizes electric power output in tire drive shaft operation process and electric brush slip ring continuous contact finally by wire C.
Further, described piezoelectric rubber film can be according to the stressing conditions of power generation requirements and tire in same stress surface
The superposition in mechanical structure is carried out, generator unit is composed in series on circuit connecting mode, reaches convenient pressure power generation level；Pressure
The shape of electric rubber membrane uses regular polygon, and size is adjustable.
Further, the energy converting between mechanical unit of described tire is provided with separate current loop, to prevent not
Mutually discharged with the piezoelectric rubber film in tire and influence electric energy efficiency.
Further, described metal polar plate is placed on piezoelectric rubber film, but is not exclusively covered in piezoelectric rubber film.
Further, the wire A and wire B are respectively with metal polar plate with being connected, to avoid being pressurized repeatedly in tire
It is lower deformation and fracture, wire A and wire B should use high-quality flexible hank knotting line.
Further, the electric power output device is made up of brush, ball, electric brush slip ring and brush carriage.
Further, the electric brush slip ring is arranged in tire drive shaft, and its metallic membrane passes through insulating materials and tire
Drive shaft is isolated.
Further, the brush bottom embedded metal ball, to reduce the friction between brush and electric brush slip ring, increase electricity
The life-span of power follower；Brush is fixed by brush carriage, ball is in close contact with electric brush slip ring by the stage clip above it.
Prior art is contrasted, the present invention has the following effects that：
1. the generating rubber membrane that the present invention uses has the characteristics that light, high power, high flexibility and plasticity are strong, unit plane is contrasted
Long-pending piezoelectric ceramics can produce higher electric energy, and superposition laying still ensures that piezoelectric layer has less thickness.
2. the present invention realize using piezoelectric rubber film produce electrical energy drive running car, or for automotive lighting, sound equipment and
Charging equipment etc. provides power source.
3. the present invention has implemented the objective of green energy resource, power caused by vehicle traveling process tyre rotation is taken full advantage of
Advantage, mitigate the live load of automobile engine while this rotational energy is recycled, it is non-renewable that oil etc. can be saved
The energy about more than 25%.
4. the present invention without carrying out excessive change to original vehicle structure, need to only set up electric brush slip ring, piezoelectric rubber film,
Parts such as wire, battery etc., workable, manufacturing cost is low.
Brief description of the drawings：
Fig. 1 is the mechanizing circuit distributed architecture figure of the present invention
Fig. 2 is piezoelectric rubber arrangement figure of the present invention
Fig. 3 is single tire electromechanical energy conversion equivalent circuit
It is described below in conjunction with the principle of the invention and feature, example of staging an uprising is served only for explaining the present invention, does not limit the present invention
Scope.
Embodiment：
Embodiment 1, as shown in Fig. 1 Fig. 2, a kind of passive pressure TRT based on piezoelectric rubber, including：Tire 1；Piezoelectricity rubber
Glued membrane 2；Metal polar plate 3；Wire A4；Wire B5；Wheel rim 6；Electric brush slip ring 7；Tire drive shaft；Ball 9；Brush 10；Brush branch
Frame 11；Stage clip 12；Wire C13；Electric power output device 14.The piezoelectric rubber film 2 is arranged on the inside roller tire near-earth side of tire 1,
Both can be made into one.The metal polar plate 3 is placed in the top of piezoelectric rubber film 2, and is brought into close contact with piezoelectric rubber film 2, described
Piezoelectric rubber film 2 can carry out the superposition in mechanical structure, additive process piezoelectric rubber film according to power generation needs in same stress surface
2 are serially connected the single generator unit of composition.The metal polar plate 3 of the inner side of piezoelectric rubber film 2 distinguishes connecting wire A4 and wire B5, leads
Line A4 is connected with wheel rim, forms electrode using tire drive shaft 8, wire B5 is connected with the phase of electric brush slip ring 7, and electric brush slip ring 7 is pacified
In tire drive shaft 8, the metallic membrane of electric brush slip ring 7 is isolated by insulating materials with tire drive shaft 8, forms whole wheel
Fetal hair electric unit.Electric power output is then carried out, electric power output device 14 is by brush 10, ball 9, electric brush slip ring 7 and brush carriage
11 compositions, brush 10 are fixed by brush carriage 11, the bottom embedded metal ball 9 of brush 10, make rolling by the stage clip 12 above it
Pearl 9 is in close contact with electric brush slip ring 7.In the operation process brush 10 of tire drive shaft 8 and the continuous contact of electric brush slip ring 7 transmission electric current
Signal, electric power output is realized finally by wire C13.
Embodiment 2, as shown in figure 3, described in the present embodiment for single tire electromechanical energy conversion equivalent circuit, it is single
Multiple generator units of piezoelectric rubber film 2 are set on tire 1, each generator unit is connected with electric brush slip ring 7 and wheel rim 6 respectively,
Brush 10 is in contact caused pulse current with electric brush slip ring 7, defeated in the form of direct current after transmitting to ac-dc converter circuit
Go out, complete energy converting between mechanical.
The invention is not restricted to above-mentioned embodiment, every art technology technique according to the invention enlightenment two obtains
Equivalents either equivalence replacement technical scheme, all fall within rights protection scope of the present invention.
Claims (8)
1. a kind of passive pressure TRT based on piezoelectric rubber, it is characterised in that including tire（1）, piezoelectric rubber film
（2）, metal polar plate（3）, wire A（4）, wire B（5）, wheel rim（6）, electric brush slip ring（7）, tire drive shaft（8）, ball（9）、
Brush（10）, brush carriage（11）, stage clip（12）, wire C（13）With electric power output device（14）；
Piezoelectric rubber film（2）It is compounded in close to tire（1）Interior near-earth side, metal polar plate（3）It is placed in piezoelectric rubber film（2）On；
Piezoelectric rubber film（2）As generator unit, the metal polar plate on the inside of it（3）Connecting wire A（4）With wire B（5）, wire A（4）
With wheel rim（6）It is connected, utilizes tire drive shaft（8）Form electrode, wire B（5）With electric brush slip ring（7）Mutually it is connected, brush is slided
Ring（7）Installed in tire drive shaft（8）On, form whole tire generator unit；Brush（10）In tire drive shaft（8）Operated
Journey and electric brush slip ring（7）Continuous contact, finally by wire C（13）Realize electric power output.
A kind of 2. passive pressure TRT based on piezoelectric rubber according to claim 1, it is characterised in that：Described
Piezoelectric rubber film（2）Can be according to power generation requirements and tire（1）Stressing conditions same stress surface carry out mechanical structure on
Superposition, generator unit is composed in series on circuit connecting mode, reaches convenient pressure power generation level；Piezoelectric rubber film（2）Shape
Shape uses regular polygon, and size is adjustable.
A kind of 3. passive pressure TRT based on piezoelectric rubber according to claim 1, it is characterised in that：Described
Tire（1）Energy converting between mechanical unit be provided with separate current loop, to prevent different kinds of tyre（1）Interior piezoelectric rubber
Film（2）Mutually discharge and influence electric energy efficiency.
A kind of 4. TRT of passive tire 7 based on piezoelectric rubber according to claim 1, it is characterised in that：It is described
Metal polar plate（3）It is placed in piezoelectric rubber film（2）On, but not exclusively it is covered in piezoelectric rubber film（2）.
A kind of 5. TRT of passive tire 7 based on piezoelectric rubber according to claim 1, it is characterised in that：It is described
Wire A（4）With wire B（5）Respectively with metal polar plate（3）With being connected, to avoid in tire（1）Deformed and rolled over by pressure repeatedly
It is disconnected, wire A（4）With wire B（5）High-quality flexible hank knotting line should be used.
A kind of 6. passive pressure TRT based on piezoelectric rubber according to claim 1, it is characterised in that：The electricity
Power follower（14）By brush（10）, ball（9）, electric brush slip ring（7）And brush carriage（11）Composition.
A kind of 7. passive pressure TRT based on piezoelectric rubber according to claim 1, it is characterised in that：The electricity
Brush slip ring（7）Installed in tire drive shaft（8）On, its metallic membrane passes through insulating materials and tire drive shaft（8）Isolation.
A kind of 8. passive pressure TRT based on piezoelectric rubber according to claim 1, it is characterised in that：The electricity
Brush（10）Bottom embedded metal ball（9）, to reduce brush（10）With electric brush slip ring（7）Between friction, increase electric power output device
Life-span；Brush（10）By brush carriage（11）It is fixed, pass through the stage clip above it（12）Make ball（9）With electric brush slip ring（7）
It is in close contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087246.7A CN107819411B (en) | 2017-11-07 | 2017-11-07 | Passive pressure power generation device based on piezoelectric rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711087246.7A CN107819411B (en) | 2017-11-07 | 2017-11-07 | Passive pressure power generation device based on piezoelectric rubber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107819411A true CN107819411A (en) | 2018-03-20 |
| CN107819411B CN107819411B (en) | 2021-02-26 |
Family
ID=61603214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711087246.7A Active CN107819411B (en) | 2017-11-07 | 2017-11-07 | Passive pressure power generation device based on piezoelectric rubber |
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| Country | Link |
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| CN (1) | CN107819411B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585465A (en) * | 2020-05-26 | 2020-08-25 | 西安交通大学 | Rotation type power generation facility based on water droplet striking friction |
| CN112054711A (en) * | 2020-08-28 | 2020-12-08 | 北京纳米能源与系统研究所 | Mechanical rectification type friction nano power generation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377992A (en) * | 2014-11-07 | 2015-02-25 | 大连华工创新科技股份有限公司 | Tire power generation device |
-
2017
- 2017-11-07 CN CN201711087246.7A patent/CN107819411B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104377992A (en) * | 2014-11-07 | 2015-02-25 | 大连华工创新科技股份有限公司 | Tire power generation device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585465A (en) * | 2020-05-26 | 2020-08-25 | 西安交通大学 | Rotation type power generation facility based on water droplet striking friction |
| CN112054711A (en) * | 2020-08-28 | 2020-12-08 | 北京纳米能源与系统研究所 | Mechanical rectification type friction nano power generation device |
| CN112054711B (en) * | 2020-08-28 | 2021-10-29 | 北京纳米能源与系统研究所 | Mechanical rectification type friction nano power generation device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107819411B (en) | 2021-02-26 |
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