CN205921541U - Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered - Google Patents
Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered Download PDFInfo
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- CN205921541U CN205921541U CN201620735068.9U CN201620735068U CN205921541U CN 205921541 U CN205921541 U CN 205921541U CN 201620735068 U CN201620735068 U CN 201620735068U CN 205921541 U CN205921541 U CN 205921541U
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Abstract
Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered relates to an electric automobile power generation facility, and the device includes distributed system, charge collection system and the energy storage system of piezoelectric patches in the rim. Piezoceramics piece (1) is supported with carbon fiber (2) to it is parallelly connected rather than the piezoelectric patches of lower floor to draw two wear -resisting wires of high strength (3) from two surfaces of one end wherein, and the carbon fiber adhesion that the piezoelectric patches that will pile up passes through the bottom is on tire (4) of automobile inside rim (5), and the wire of drawing on the piezoelectric patches is connected with current amplifier (8) input through drawing between tire and the retaining ring (6), make full use of green renewable energy, saves and utilizes the process easily to control charge collection, and the electric energy of output can directly be used for electric automobile electrical power generating system to charge, and charge efficiency is high, and the greatly reduced energy cost is particularly useful for energy saving and emission reduction, green, high -efficient green 0's trend instantly.
Description
Technical field
This utility model is related to a kind of generator for electrical automabile, and more particularly to one kind is based on piezoelectric secondary charges
The electric automobile direct current piezoelectric generating device of collection.
Background technology
Piezoelectric refers to the material that can electric charge and voltage when being under pressure effect between both ends of the surface.Using piezoelectricity
This property of material can achieve the mutual conversion of mechanical energy and electric energy.The principle of piezoelectric effect is, when piezoquartz is in outer masterpiece
With under deform upon when, produce heterocharge on its some corresponding surface, this do not have extraneous additional electric field effect, only
It is that the charge phenomenon being produced due to deformation is referred to as direct piezoelectric effect.When therewith to an external electric field should be applied to piezoelectric,
Not only produce electric charge at piezoelectric two ends, the phenomenon simultaneously also producing deformation is referred to as inverse piezoelectric effect.Piezo-electric generating technology relates to
And the subjects such as material, machinery, electronics, automatization, electrical engineering.Therefore, there is the problem intersected between many subjects not yet
Solve, still need in this field and carry out substantial amounts of theoretical research and experimental analysiss.However, it is highly integrated with electronic devices and components
The development of change, low-power electronic devices and radio frequency technology, is that the application of piezo-electric generating technology provides important foundation；Separately
On the one hand, with the development of manufacturing technology and material science, high power generation performance, high mechanical-electric coupling conversion efficiency have continuously emerged
Piezoelectric., compared with other forms of electricity generation, piezoelectric generating device structure is simple, do not generate heat, no electromagnetic interference, easily for piezo-electric generating
Processing and fabricating, realize the microminiaturization in structure, integrated be easier to, be particularly suited for various kinds of sensors, monitoring system and other
Low power dissipation electron equipment.Piezo-electric generating, due to the advantage of its own, increasingly gets more and more people's extensive concerning, medical, military
Carry out the research work of correlation in field, and become one of current new-generation mode study hotspot.With life
Flat constantly the increasing of running water, the Automobile ownership ratio of compatriots also increases year by year.The operation of automobile needs gasoline or natural gas, and this is all
It is the material of some contaminatives, can have side effects to human body and naturally.Environmental protection, energy-efficient is advocated in the world now, leads to
This purpose is realized in the research and development crossing the efficient piezo-electric generating automobile to mechanical-electric coupling Yu transition effects.
Content of the invention
The purpose of this utility model is to provide a kind of electric automobile direct current pressure based on the collection of piezoelectric secondary charges
A kind of electric TRT, there is provided light TRT, to make full use of the mechanical pressure to tire in vehicle traveling process, carries
In the cruising time of high electric automobile, reduce new-energy automobile energy cost.
The purpose of this utility model is achieved through the following technical solutions:
Based on the electric automobile direct current piezoelectric generating device of piezoelectric secondary charges collection, described piezoelectric ceramic piece carbon
Fiber support, and two surfaces two high-strength abrasion-proof wires of extraction from wherein one end are in parallel with the piezoelectric patches of its lower floor, by heap
Folded piezoelectric patches adheres on the wheel rim within the rubber tyre of automobile by the carbon fiber of bottom, the wire that piezoelectric patches is drawn
It is connected with current amplifier input through drawing between rubber tyre and back-up ring；Current amplifier, rectifier filter simulation electronic
Switch s1, s2, s3, Simple speed measuring device, charge-trapping device, secondary charges collection device, a dc-dc reducing transformer are placed in
On circuit board and be fixed on spoke；Current amplifier outfan is connected with current rectifying and wave filtering circuit input, and rectifier filter is defeated
Go out end to be connected with electrical switch s1, simple speed controller respectively, simple speed controller outfan is directly connected to electricity
Son switch s2, signal output part is connected with the control input mouth of s2, and the control output end of dc-dc reducing transformer is respectively with s2, s3 even
Connect, outfan is connected with ultracapacitor；Ultracapacitor draws wire, causes vapour through part existing between wheel and wheel shaft
At car power supply, successively with manostat, voltage comparator, voltage amplifier charge controlling chip, simulant electronic switch, power supply phase
Even, voltage comparator input is connected with ultracapacitor and output end of voltage stabilizer respectively, and outfan is with charge controlling chip even
Connect.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges, described piezoelectric ceramics
Piece is stacked with 3-5 layer, and two row are closely arranged on wheel rim, and divide a, b, c, d tetra- areas successively, and all there are wire and extraneous phase in each area
Even.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges, described Current amplifier
Device adopts opa333 model operational amplifier, and rectification circuit adopts bridge rectifier, and first and second charge-trapping device is using electricity
Hold and collect, by two pressure voltages between 25-50v ceramic condenser in parallel by constituting.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges, described electrical switch
S1, s2 are connected with charge-trapping device, a s3 respectively, and s3 connects secondary charges collection device；Secondary charges collection device
It is connected with dc-dc reducing transformer input simultaneously.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges, described super capacitor
Device adopts 3v, 300f electric capacity, is in series by two.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges, described manostat is adopted
With rh-rhmk continuous conduction formula direct current stabilizer, using d623 3-48 voltage amplifier module, voltage ratio is relatively for voltage amplifier
Tms320lf2407 is adopted using lm211p type differential-voltage comparator, charge controlling chip.
The described electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges it is characterised in that
Described charge controlling chip is connected with battery management system, and charge controlling chip outfan is connected with simulant electronic switch s4.
Advantage of the present utility model and effect are:
The utility model discloses a kind of electric automobile direct current piezo-electric generating dress based on the collection of piezoelectric secondary charges
Put, including compartment system in wheel rim for the piezoelectric patches, charge-trapping system and energy-storage system.Piezoelectric is by extraneous stress
Shi Qi surface can produce a large amount of electric charges, and this utility model is by the use of this characteristic of piezoelectric as electric charge generator.To receive
Rice zno potsherd composition generator unit, makes full use of the piezoelectric storage form of energy and the difference of energyreleaserate, point
Twice its electric field energy and strain field energy are collected respectively, to make full use of the electric charge of electricity generation material generation.And utilize energy storage device
The electric charge of generation is stored into New-energy electric vehicle power-supply system use for it.This utility model utilizes New-energy electric vehicle
It is arranged on the electric charge that the nanometer piezoelectric ceramic piece at tyre rim produces when being under pressure in the process of moving, carry out efficient
Collect and utilize, to increase new-energy automobile cruising time.This utility model makes full use of environmental protection regenerative resource, this reality
Simple with new structure, charge-trapping, storage and easily controllable using process, the electric energy of output can be directly used for new forms of energy electricity
Electrical automobile power-supply system is charged, and charge efficiency is high, substantially reduces energy cost, is particularly suited for energy-saving and emission-reduction instantly, green
Colour circle is protected, the trend of the efficient utilization energy, has good market application foreground and obvious economic benefit.
Brief description
Fig. 1 is stacking on wheel rim for the multi-disc piezoelectric patches and spread pattern；
Fig. 2 is collection of energy partial schematic diagram；
Fig. 3 is energy storage section schematic diagram.
Specific embodiment
With reference to embodiment, this utility model is described in detail.
The new and effective direct current piezoelectric generator device based on mechanical-electric coupling and transition effects for this utility model, in conjunction with vapour
Vehicle tyre inner space is little, the big feature of stress, and it, using nano ceramics piezoelectric as piezoelectric unit, is adopted in less space
It is laid in inside automobile rim with stacking, mode in parallel, make device generation as much as possible electric charge raising as high as possible
The ability to bear of stress to external world.In terms of collecting electric charge, a charge-trapping device collects the electricity of piezoelectric moment generation
Field energy, secondary collection device, by the judgement to speed, collects the strain field energy of piezoelectric in good time automatically.To collect every time
To de minimis energy be connected with the dc-dc changer being fixed on outside wheel rim by wire, dc-dc changer is collected by detection
The electric energy collected, using its all pressure effect, is automatically kept in by device voltage and the voltage of ultracapacitor thereafter in good time
In ultracapacitor.Ultracapacitor constitutes an intelligent charger with voltage amplification device, power supply and management system,
Under the control of charge controlling chip, the electric energy collected the most at last is filled with electric automobile power supply system.In conjunction with automobile from heavy sensation of the body
Power is larger and each part of automobile connects the factors such as complexity, in terms of material, nanometer zno potsherd is used as piezoelectric,
On the one hand the volume of piezoelectric unit can be reduced so as to be adapted to automobile composition structure；On the other hand, using nanometer zno pottery
The resistance to pressure of piece is to improve reliability and its life-span of this device.In terms of collection of energy, using the higher nanometer of energy density
Piezoelectric, and energy is carried out receiving the high efficiency improving device respectively.At compatible aspect, the electric energy sending is passed through to control electricity
It is self-powered that road is directly filled with automobile, has accomplished abundant collection, utilizes in time；In application aspect, this device not only can be used
In automobile, it may also be used for the machinery of other wheel shaft classes and cycle movement.
Embodiment
As illustrated, this utility model is a kind of piezoelectric generating device being placed in piezoelectric unit in tire.Including: 1. press
Electroceramics piece, 2. carbon fiber, 3. wire, 4. rubber tyre, 5. wheel rim, 6. back-up ring, 7. spoke, 8. current amplifier, 9. whole
Stream wave filter, 10. Simple speed measuring device, 11. charge-trapping devices, 12. secondary charges collection devices, 13.dc-dc blood pressure lowerings
Device, 14. ultracapacitors, 15. manostat, 16. voltage comparators, 17. voltage amplifiers, 18. charge controlling chips,
19. automobile power sources, 20. power supplies and management system；Simulant electronic switch s1, s2, s3, s4.
Concrete connected mode is as follows:
Piezoelectric ceramic piece 1 is supported with carbon fiber 2, and draws two high-strength abrasion-proof wires 3 from two surfaces of wherein one end
In parallel with the piezoelectric patches of its lower floor, the piezoelectric patches of stacking is adhered to inside the rubber tyre 4 of automobile by the carbon fiber of bottom
Wheel rim 5 on, the specification of piezoelectric patches is 30mm*10mm*2mm, and with 3-5 layer stacking, two row are closely arranged on wheel rim, and successively
Divide tetra- areas of a, b, c, d, each area all has wire to be connected with the external world.
2. by the wire by extraction on piezoelectric patches through drawing and current amplifier 8 input between rubber tyre and back-up ring 6
Connect.
3. current amplifier, rectifier filter 9 simulant electronic switch s1, s2, s3,10, electric charge of Simple speed measuring device
Collection device 11, secondary charges collection device 12, dc-dc reducing transformer 13 are placed on circuit board and are fixed on spoke 7.Electric current
Amplifier adopts opa333 model operational amplifier, and rectification circuit adopts bridge rectifier, and first and second charge-trapping device is adopted
Collected with electric capacity, by two pressure voltages between 25-50v ceramic condenser in parallel by constituting, capacity is between 0.1-1f.
4. current amplifier outfan is connected with current rectifying and wave filtering circuit input, rectification filter circuit output end respectively with electricity
Son switchs s1, simple speed controller is connected, simple speed controller outfan is directly connected to electrical switch s2, signal
Outfan is connected with the control input mouth of s2, and electrical switch s1, s2 are connected with charge-trapping device, a s3 respectively, and s3 connects two
Secondary charge-trapping device；One time secondary charges collection device is connected with dc-dc reducing transformer input simultaneously.
The control output end of 5.dc-dc reducing transformer is connected with s2, s3 respectively, and outfan is connected with ultracapacitor 14.Super
Level capacitor adopts the electric capacity of 3v, 300f, is in series by two.
6. wire is drawn by ultracapacitor, cause near automobile power source through part existing between wheel and wheel shaft, according to
Secondary with manostat 15, voltage comparator 16, voltage amplifier 17 charge controlling chip 18, simulant electronic switch s4, automobile power source
19 are connected, and wherein manostat adopts rh-rhmk continuous conduction formula direct current stabilizer, and voltage amplifier adopts d623 3-48 voltage
Amplifier module, voltage ratio relatively adopts tms320lf2407 using lm211p type differential-voltage comparator, charge controlling chip.
7. voltage comparator input is connected with ultracapacitor and output end of voltage stabilizer respectively, outfan and charge control
Chip connects.Charge controlling chip is connected with management system 20 with power supply, charge controlling chip outfan and simulation electronic
Switch s4 connects.
In this specific embodiments using once, second energy collection device, stream oriented device respectively by wire with adhesion with wheel
The piezoelectric unit in four areas on rim is connected, and both are independent of each other, and is constituted by capacitor.Charge-trapping device is all the time
It is connected with each piezoelectric unit, secondary charges collection device controls the break-make of itself and piezoelectric unit, on-off control by electrical switch
Foundation be the detection to speed, secondary charges collect less to electric energy, through voltage amplifier to reduce the damage of electric energy
Lose；Simultaneously as two charge-trapping devices are constrained by the size of its capacitance, so being controlled it and surpassed by dc-dc transducer
The break-make of level capacitor.
In this specific embodiments, multi-disc piezoelectric patches mode in parallel stacks, and arm-type piezoelectric vibrator, the voltage such as uses
The size producing is proportional with the thickness of piezoelectric patches, is now constrained with automobile rim structure, using 30mm*10mm*2mm's
Specification, can should improve thickness and the stacking number of piezoelectric patches in the confined space in right amount in concrete condition.In conjunction with automobile not
With the difference of environment downward driving speed, generator unit is divided into four areas, accomplishes efficiently to receive under conditions of device is fairly simple
Energy produced by collection.
In the present embodiment, this car per 100 km power consumption is about 16 kilowatt hours taking common new forms of energy car as a example, each
Suffered by tire, pressure is about 2.2mpa, every area piezoelectric patches quantity 70, and after measured, monolithic generation on-peak electric energy is with this understanding
80mw, when car is travelled with 72km/h, per 100 km can produce the energy of 1.24 kilowatt hours, be available for electric car and about continue a journey 9.6 kilometers,
Also the endurance of electric car 10% can be improved.
The above, specific embodiment only of the present utility model, described in above-described embodiment and description simply
Basic principle, when the scope of this utility model enforcement can not being limited with this, all equivalent variations made according to this utility model with
Modify, all should belong to protection domain of the present utility model.
Claims (7)
1. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges is it is characterised in that described piezoelectricity
Potsherd (1) uses carbon fiber (2) to support, and draws two high-strength abrasion-proof wires (3) and its from two surfaces of wherein one end
The piezoelectric patches of layer is in parallel, the piezoelectric patches of stacking is adhered to the wheel of rubber tyre (4) inside of automobile by the carbon fiber of bottom
On rim (5), the wire that piezoelectric patches is drawn is through drawing between rubber tyre and back-up ring (6) with current amplifier (8) input even
Connect；Current amplifier, rectifier filter (9), simulant electronic switch s1, s2, s3, Simple speed measuring device (10), an electric charge are received
Acquisition means (11), secondary charges collection device (12), dc-dc reducing transformer (13) are placed on circuit board and are fixed on spoke (7)
On；Current amplifier outfan is connected with current rectifying and wave filtering circuit input, rectification filter circuit output end respectively with electrical switch
S1, simple speed controller are connected, and simple speed controller outfan is directly connected to electrical switch s2, signal output part
It is connected with the control input mouth of s2, the control output end of dc-dc reducing transformer is connected with s2, s3 respectively, outfan and super capacitor
Device (14) connects；Ultracapacitor draw wire, cause at automobile power source through part existing between wheel and wheel shaft, successively with
Manostat (15), voltage comparator (16), voltage amplifier (17) charge controlling chip (18), simulant electronic switch (s4), vapour
Car power supply (19) be connected, voltage comparator input is connected with ultracapacitor and output end of voltage stabilizer respectively, outfan with fill
Electric control chip connects.
2. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described piezoelectric ceramic piece is stacked with 3-5 layer, and two row are closely arranged on wheel rim, and divide a, b, c, d tetra- successively
Area, each area all has wire to be connected with the external world.
3. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described current amplifier adopts opa333 model operational amplifier, and rectification circuit adopts bridge rectifier,
First and second charge-trapping device adopts electric capacity to collect, by two pressure voltages between 25-50v ceramic condenser in parallel by constituting.
4. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described electrical switch s1, s2 are connected with charge-trapping device, a s3 respectively, and s3 connects secondary charges and collects dress
Put；One time secondary charges collection device is connected with dc-dc reducing transformer input simultaneously.
5. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described ultracapacitor adopts 3v, 300f electric capacity, is in series by two.
6. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described manostat adopts rh-rhmk continuous conduction formula direct current stabilizer, and voltage amplifier adopts d623 3-48
Voltage amplifier module, voltage ratio relatively adopts lm211p type differential-voltage comparator, charge controlling chip to adopt
tms320lf2407.
7. the electric automobile direct current piezoelectric generating device based on the collection of piezoelectric secondary charges according to claim 1,
It is characterized in that, described charge controlling chip is connected with battery management system (20), and charge controlling chip outfan is electric with simulation
Son switch s4 connects.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620735068.9U CN205921541U (en) | 2016-07-13 | 2016-07-13 | Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620735068.9U CN205921541U (en) | 2016-07-13 | 2016-07-13 | Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered |
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| CN201620735068.9U Expired - Fee Related CN205921541U (en) | 2016-07-13 | 2016-07-13 | Electric automobile direct current piezoelectric power generating device based on piezoelectric material secondary electric charge is gathered |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620418A (en) * | 2018-06-18 | 2019-12-27 | 陈宽 | Tire rim power generation device |
-
2016
- 2016-07-13 CN CN201620735068.9U patent/CN205921541U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110620418A (en) * | 2018-06-18 | 2019-12-27 | 陈宽 | Tire rim power generation device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20180713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |