CN103935253A - Wind-solar electric vehicle - Google Patents
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- CN103935253A CN103935253A CN201410120639.3A CN201410120639A CN103935253A CN 103935253 A CN103935253 A CN 103935253A CN 201410120639 A CN201410120639 A CN 201410120639A CN 103935253 A CN103935253 A CN 103935253A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The invention discloses a wind-solar electric vehicle in which renewable energy sources (solar energy and wind energy) are used for driving vehicles to travel. The wind-solar electric vehicle is characterized in that a photovoltaic conversion technology (solar cell) and a wind power conversion technology (a vertical axis wind turbine is in a blade type) constitute an electricity generation power source which further forms a vehicle-mounted energy system with an energy storage battery (power battery pack), the vehicle-mounted energy system is mounted on an innovative driving system (a traditional passenger-car chassis is not used), the vehicle can travel on the ground according to a system instruction, and exhaust gas emission is avoided.
Description
Technical field
The present invention relates to new-energy automobile, being in particular a kind of amount of exercise of usining wind is the wind-light electric vehicle of solar radiant energy as vehicular energy.
Technical background
At the beginning of the development of China's new-energy automobile industry starts from 21 century, calendar year 2001 new-energy automobile research project be put into country Tenth Five-Year Plan Period " 863 " major project.The Eleventh Five-Year Plan period, the industrialization of China's new-energy automobile and market-oriented popularization obtain gratifying achievement.In the 2008 Beijing Olympic Games and Shanghai World's Fair in 2010, register the license, the measure such as fiscal subsidy encourages individual to buy.”
September 13, the Ministry of Finance, the Department of Science and Technology, the Ministry of Industry and Information Technology, National Development and Reform Committee combine and have put into effect < < and about carrying on new-energy automobile, apply the notice > > of work, carry on new-energy automobile promote subsidy application at 2013-2015.
There is subject matter
In recent years, China's new-energy automobile developmental retardation, most importantly policy issue, technical matters, safety problem, auxiliary facility is not enough, on the high side and development disorder etc.
(1) policy aspect.In February, 2009, < < that the Ministry of Finance puts into effect energy-conservation with the temporary transient way > > of new-energy automobile Demonstration And Extension financial aid capital management, to 50,000 yuan, the highest each subsidy of hybrid vehicle, 60,000 yuan, each subsidy of pure electric automobile, 250,000 yuan, each subsidy of fuel cell powered vehicle.Have new-energy automobile researcher to think, new-energy automobile subsidy adopts disposable mode direct payment to manufacturer, and excitation manufacturer adjusts to reduction integral vehicle cost by strategic emphasis, rather than removes the corresponding up-to-date technology of comprehensive development.The new-energy automobile of throwing on the market now, is more the result of state subsidies, is not the result of technological advance.The huge subsidy of government, distortion relation between supply and demand, what pull industry, enter also to exist certain negative effect together.
(2) technical elements.The deputy chief engineer Cai Guoxiong of China Electric Power Research Institute of State Grid Corporation of China thinks, with regard to current technology, most pure electric passenger vehicles course continuation mileage that once charges is 120-160km, in the situation that battery flying power is difficult to improve in a short time, the construction of battery-charging station will directly affect the popularization of electronlmobil.
(3) in price.Because China's new-energy automobile is in the industrialization initial stage, fancy price hinders it and comes into the market on a large scale.First electronic private car E6 forerunner of China that BYD is released, subsidizes respectively after 60,000 yuan in country and Shenzhen, and real price is still up to 250,000 yuan of left and right, far away higher than the common orthodox car price of performance on an equal basis.
(4) auxiliary facility aspect.The electrically-charging equipment matching with new-energy automobile lacks, and is also one of key reason hindering battery-driven car development.By the end of the year in 2011, nationwide was altogether built up to put into operation and within 243 years, is filled electrical changing station, 13283 alternating-current charging piles, and the automotive market of Zhe Yu China fast development is at present very unbecoming, has a strong impact on the development of plug-in battery-driven car and pure electric vehicle.
(5) electric energy, at China's electric power of 2010 82% from coal, coal discharges a large amount of objectionable impuritiess and carbon dioxide in burning, even administer through concentrating science, also exceed the present discharge of automotive engine, not only can not restructure the use of energy, on the contrary because transmission and conversion have caused more noxious gas emission, this is polar with the target of development new forms of energy.
Summary of the invention
Object of the present invention is exactly more than 20,000 yuan of a kind of low price in order to solve above-mentioned defect technically of present new-energy automobile manned vehicle and to design, charging is convenient, do not need to build battery-charging station and there is no exhaust emissions, integrate three kinds of energy (solar power, wind energy, domestic power supply) as Vehicular charging, with motor, drive the wind-light electric vehicle of Vehicle Driving Cycle.Object of the present invention realizes by following technical solution.
Auto-industry, when promoting world economy develop rapidly and facilitating to people, have shown again the one side of its double-edged sword, and it has shifted energy and environment onto the day by day manifestation of pickle environmental problem is aerial contamination.The air ambient of China pollutes and by " chimney " type, changes " tail gas " type into, and automobile noxious emission has become big and medium-sized cities air-polluting important sources.
In the face of the challenge of the energy, environment, developing energy-conservation becoming with new-energy automobile technology must.In China country, send out in the < < new-energy automobile production access rule > > that remodeling committee formulates and announce enforcement new-energy automobile is defined as follows: new-energy automobile means and adopts unconventional vehicle fuel as power resources (or use conventional vehicle fuel, adopt novel on-vehicle engine installation), the pioneering technology of the power control of comprehensive vehicle and driving aspect, the automobile that the know-why of formation is advanced, have up-to-date technology, new construction.New-energy automobile comprises hybrid vehicle, pure electric automobile (comprising solar car), fuel cell electric vehicle, hydrogen engine automobile and other new forms of energy (as high-efficiency energy-storage device, dimethyl ether) automobile etc.And clear and definite manufacturing enterprise need at least grasp new can the vehicle-mounted energy resource system of live steam, the core technology of one of drive system and control system could produce new forms of energy vapour picture.
Vehicular energy system
The vehicular energy system of wind-light electric vehicle, there are three circuit that power supply is stored in to electrokinetic cell or directly drives honourable running car, article one, circuit directly drives honourable running car by charging-discharging controller by the power supply of solar cell module output under solar radiation, unnecessary power supply is stored in electrokinetic cell with standby, when honourable automobile is slack, there is the electrokinetic cell for oneself that solar power, solar cell module also can be positive to collect enough power supplys, make electrokinetic cell keep charge condition, for a long time in " state of having enough ".Its function has two, and one, due to wind-light electric vehicle charging on one side under solar radiation, travel on one side, can sail many distances than electronlmobil multirow, in addition, little electric current is given power battery charging incessantly, to extending the service life of electrokinetic cell, is very helpful.The secondth, vertical axis windmill (stream blade profile) is converted to electric energy wind energy (being the kinergety of wind) and is stored in electrokinetic cell by air-blower control inverter, when wind-light electric vehicle stops, while travelling, there is wind, vertical axis windmill (stream blade profile) also can be energetically for the electrokinetic cell of oneself be collected enough electric energy, article three,, if there is no wind and light, also can use domestic power supply (220V) charging, this method operates very convenient, the plug of charger is plugged to socket (220V) all right.Refer to structural principle schematic diagram of the present invention (Fig. 1) drive system
The drive system Main Function of wind-light electric vehicle:
(1) total weight of supporting vehicle
(2) propulsive effort drive motor being transmitted is converted into the propulsive effort of Vehicle Driving Cycle
(3) bear and transmit road surface and act on various counter-forces and the moment on wheel
(4) reduce vibration, relax and impact, guarantee that vehicle is smooth-going to travel
If the R&D work of new-energy automobile is likened to one continuous line, the drive system light-weight design of automobile is exactly tap, crucial from this respect tackling key problem, the tap direction of just having hit the target.How to design and manufacture an efficient new-energy automobile, thereby make structural strength and degree of safety reach best, and weight is minimum, this just must scrutinize and analyze the drive system of fuel-engined vehicle, and the structure to drive system, the Main Function of each parts digests, absorbs, and innovates in the drive system of fuel-engined vehicle again.Because, reduce energy resource consumption, reduce discharge amount of exhaust gas and traffic tie-up, one of the most flat-footed method is exactly the deadweight that alleviates automobile, because scientists is researched and analysed proof repeatedly, fuel-engined vehicle, mainly that car is from weighing 1500KG, in the thrust that the fuel using produces, there is for a long time 95% consumption driving fuel-engined vehicle itself, rather than be used for transporting people's loading, this surprising waste is from an open-and-shut major reason, what fuel-engined vehicle was pursued is " speed ", therefore automobile starting and the acceleration for this iron and steel is done, just must there is powerful engine, the efficiency that this huge engine is fuel-engined vehicle reduces by half, and in order to win back this half, must use more powerful engine, thereby be absorbed in a kind of vicious circle.
Control system
The control system of wind-light electric vehicle is the intelligent kernel of new-energy automobile, the new-energy automobile of an excellent in design, except there being good vehicular energy system, drive system, select outside suitable electrical source of power, also should there is the energy management system of each funtion part work of a set of coordination, its the most basic function is the electric energy of the whole new-energy automobile of control and management, guarantee the reserve of electricity of power accumulator and stable charging valtage, current how many electric energy that also exist, how many kilometers (electric quantity indicator for accumulator charges by the bright prompting of lamp) can also travel, and carry out to start by the consciousness that controller is realized chaufeur, accelerate, stop, reasonably allocate and use limited vehicular energy, it is discharged for a long time.
Object of the present invention also can further realize aforesaid a kind of wind-light electric vehicle as shown in Fig. 3 Fig. 4 by following technology solution, the wherein said rotor shaft 3 that is located at the vertical axis windmill (stream blade profile) of body tail becomes vertical configuration with respect to ground, by coupler 2, connected with the main shaft of electrical generator 1, be fixed on the bottom of wind wheel, device is on vehicle, can receive that (aerodynamic force is that vehicle is while passing through dense atmosphere from omnibearing natural wind and aerodynamic force, air-flow acts on vehicle body just as one powerful wind of making sth. dry or cool, the motoring condition of vehicle is produced to greatly impact, the power of this airflow function on vehicle body is called aerodynamic force, the size and Orientation of aerodynamic force depends on relative velocity between air and vehicle and the profile of vehicle) blade 9 that can promote wind wheel is around rotor shaft 3 rotations, blade generator fixing plate 8 on wind wheel drives fixed dry rotation of electrical generator 1, the electric energy that electrical generator 1 work (generating) is sent is manufactured inverter to power battery charging by air-blower control, stored electric energy is with standby.On the top of rotor shaft 3, have bearing 5 bearing (setting) plates 4, blade bearing adapter plate 6 and support 8 etc. form wind wheel.
When wind-light electric vehicle is slack, if any wind (wind speed is greater than 2m/s), can make vertical shaft wind business machine (stream blade profile) continual to power battery charging, can supply with at any time wind-light electric vehicle and use.
Wind-light electric vehicle advantage is as follows:
1, the close relationship of describing vehicle and the earth that wind-light electric vehicle can be excellent, without any discharge, allows the mankind enjoy Driving, but not take exhaust emissions as cost, is a kind of the most typical cleaning new energy car of modern environment requirement that meets.When common people open wind-light electric vehicle, still can breathe ozone, see bright and clear blue sky, for building beautiful China, do one's bit.
2, photovoltaic generation itself is a kind of light movably power generation assembly, can in field of traffic, open up skill and win to solve China's photovoltaic industry imbalance between supply and demand.Except using solar photoelectric, the wind energy that catches dissipation by vertical axis windmill leaf flow pattern changes electric energy into, the supply vehicle illumination of travelling.
3, solar power, wind energy glamour are apparent, and the cost of its energy is zero, pollute, discharge is zero equally, and also in liberal supply, never exhausted.
4, save the energy, when wind-light electric vehicle travels by day, (photovoltaic module is 30% in cloudy generating efficiency) travels within 100 kilometers every day, do not consume thermoelectricity, the electricity charge are null element money, and the circulating power that the solar cell module on vehicle body and vertical axis windmill (stream blade profile) produce can meet self needs.One side charging one side is travelled, and the continual power battery charging of giving of in addition little electric current, is very helpful to extending the service life of electrokinetic cell.Do not need to join great-capacity power battery, just can move.
5, in wind-light electric vehicle design, dare to breaking through tradition and make car thinking and theory, innovate more, mostly be national energy-saving environmental protection and contribute.
6, wind-light electric vehicle has solved the problem of used for automobile from where coming for the mankind, the electricity of wind-light electric vehicle is to come up from sky, and pure electric vehicle automobile electrical is thermoelectricity, in China, mainly relies on thermoelectricity, and use thermoelectricity to drive pure electric automobile will make greenhouse gas emissions at least double.Therefore,, even if power battery technology reaches a standard, solve the problem continuing, cost significantly declines simultaneously, and pure electric automobile can not have clean electric power on a large scale for celebrating yet, and cannot realize country, promises to undertake, can only grab actual effect, can not lay stress on above the work that can not play a role for a long time.
7, wind-light electric vehicle promotes air contaminant treatment and breaks away from the restriction of petroleum-based energy comprehensively, and the large area that switches to new forms of energy (regenerative resource) is used! Allow entire society's development step into brand-new epoch.
8, its structure has light, little, skilful, U.S. four large characteristics, and vehicle is light, can significantly alleviate the consumption of the energy, reduces costs.Vehicle body is little, the form of can wandering about the streets and lanes in area, down town (can not surpass the path area that two people take by bike) is improved traffic jam, increase vehicle flow, design ingenious, changed fuel-engined vehicle structure, its structure design is practical, compact, durable, fleetline makes handsome in appearance generous outward.
9, wind-light electric vehicle is paid much attention to safety, each seat is provided with body-restraining seat belt chair headrest, front/rear collision bumper in addition, high-mount stop lamp, taillight, head light, back mirror, loudspeaker, safety wind screen glass, the configuration such as wiper is available in all varieties, and wind-light electric vehicle energy science, reasonably use electrokinetic cell, because of wind energy, the regenerative resources such as solar power have intermittent power generation features, therefore the electrokinetic cell of wind-light electric vehicle can intermittently be mended electricity, the advantage of this mode is worked partly filling/partly put under state, internal resistance is little, electric energy generated is little, battery life is long, it is high that energy dress changes efficiency, desalination battery " conformability " problem, safety is improved.
10, energy-conservation: vehicular energy system works efficiency is high, power generation process does not relate to burning, heat conversion is not subject to the restriction of Carnot cycle rule, heat efficiency is much higher, can reach 34%-40,90% energy is used for promoting Vehicle Driving Cycle, and the rule that will observe Carnot cycle in fuel-engined vehicle conversion process of energy is done work, thermal efficiency ratio is lower is 12%-15%, only have the energy consumption of 1/3rd left and right to travel at propelling vehicle, the degradation of energy of two left and right that its excess-three is divided is on driving engine and driving chain.
11, easily drive: without electronic ignition, only need step on pin accelerator card just can start, utilize controller that the speed of a motor vehicle is changed, do not need that clutch is stepped in gear shift, the lamp that touches on the brake completes the unlimited combination of a set of action with trick, simplified the complexity of driving, the accident potential that has avoided misoperation and caused, safe, particularly suitable women and the elderly drive.
12, convenient: because wind-light electric vehicle is simple in structure; except periodic replacement electrokinetic cell; substantially do not need daily service; saved the often worry of the time-based maintenances such as change engine oil, interpolation cooling water expansion tank of fuel-engined vehicle; only grow 3.4; the vehicle body of wide 1.2 meters, small and exquisite, can moor easily into close-packed city parking area.
13, can use domestic power supply (220V) charging night, not need separately to build battery-charging station, can save land resources, " filling out paddy " effect is played in charging at night, make over-the-road expense low, rely on the prior art just can fuel-economizing 100%, make its effects of energy saving and emission reduction obvious.
14, high efficiency: while driving a vehicle in city, in order to wait traffic signal, orthodox car must constantly stop and start, so both cause a large amount of energy dissipations, increased again the aerial contamination being on the rise, and used wind-light electric vehicle, the ramp to stop time, can not allow electrical motor dally, greatly improve energy use efficiency, there is no exhaust emissions.
15, saving resource.Wind-light electric vehicle does not need the parts such as combustion engine, power-transfer clutch, change speed gear box, transmission shaft, radiator, freeing pipe, is " six nothings " automobile.
16, wind-light electric vehicle is held " green, energy-conservation, safety, economy " big flag high, captured at one stroke that pure electric automobile cost is high, price, ordinary consumer hold can't stand and the way of travelling in the charge world-famous puzzle of bad solution, under the drive of environmental protection and energy saving and reply climate change trend, will chin up and chest out and drive on Chinese market boldly, go to the world.When the time comes, its that beautiful figure is not found in the streets and lanes of various countries, the alive boundary of luminous energy, and seeing of inner pride of the Geng Neng world " name car catalogue " is derived from Chinese first place car.
Object of the present invention, excellent accounting for and feature, by for illustration and explanation by the non-limitative illustration of preferential enforcement below, these embodiment only provide as an example with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is structural principle schematic diagram of the present invention
Fig. 2 is structural representation of the present invention
Fig. 3 is vertical axis windmill of the present invention (stream blade profile) structural representation
Fig. 4 is the A-A cutaway view of Fig. 3
The specific embodiment
As Figure 1-4, the present invention be take electric energy by one and is originated as active force, its technological core is photoelectric conversion technique, wind-powered electricity generation conversion technique, its bright spot is to include electrokinetic cell in energy storage technology (energy storage is a kind of multidisciplinary strategic cutting edge technology, automobile is comprised to vehicular energy system and control system) because we do not pay much attention to the science layout of energy storage technology in the past, and " electrokinetic cell is the indivisible important composition of electronlmobil product department " viewpoint that west proposes, seriously misled our understanding to electronlmobil product---" elemental lithium, determine that electronlmobil is following " (because of lithium cell, to have discharge rate large, nontoxic, pollution-free, safety is good, raw MAT'L source is wide, the advantages such as the life-span is long are just being considered to optimal electrokinetic cell).Thereby hinder electronlmobil commercialization process, cause that vehicle price is high, the present situation of electric power battery maintenance difficulty.
Wind-light electric vehicle is that packaged solar module is sealed on roof, roof area is larger, in order to obtain enough solar powers, the electric energy producing is stored in one group of electrokinetic cell by photovoltaic controller, can supply with at any time wind-light electric vehicle uses, vertical axis windmill (stream blade profile) is arranged on body tail, its blade can make full use of the wind-force from all directions, as long as there is wind moving, just can make vertical axis windmill (stream blade profile) rotation, directly drive electrical generator work, the electric energy that motor produces, by controller of fan, be stored in one group of electrokinetic cell, can supply with at any time wind-light electric vehicle uses, also utilize and have in fact power supply (220V) charging to drive wind-light electric vehicle to travel.
The drive system essence of wind-light electric vehicle is that two Electrical Bicycles merging form, four wheels is to adopt Electrical Bicycle, power drive system principle and Electrical Bicycle are basically identical, and the driving motor of employing is Chinese invented (senior engineer officer of Shanghai Electric Machine Plant is in the self cooling straight DC motor of miniwatt series connection of 20th century independent research eighties).The speed of wind-light electric vehicle is 50km, just in original structure, strengthen, the power of electrical motor is increased, and voltage is that the capacity (AH) of 48V battery increases, and wind-light electric vehicle has larger advantage than Electrical Bicycle, structure and be all that two-wheel car is incomparable on space, prior energy is installed removable closed-center system---wind and solar hybrid generating system, good stability, and safety is good, not only can loading, can also manned (seat 4 people).
The driving process of wind-light electric vehicle is: controller is accepted to locate after (by driver's operation acceleration pedal) incoming signal from acceleration pedal etc., the torque of the output torque of continuous current electromotor will be controlled, and drive Vehicle Driving Cycle by drive axle, according to the will of chaufeur, can turn left or bend to right, can be fast or slow, out of service or restart, its independence, freedom is completely the same with fuel oil vapour, wind-light electric vehicle has changed the vehicular energy system of fuel-engined vehicle completely, control system (energy storage) and drive system, by control system, control the capable coltfoal of wind-light electric vehicle, casted off the manufacturing structure of fuel-engined vehicle once and for all, realized the new breakthrough of auto manufacturing technology.Make price that user obtains lower than fuel-engined vehicle.The cost of wind-light electric vehicle, (7000 yuan of photovoltaic modulies, wind wheel generator 2000 ground, 1000 yuan of wind/light complementation controllers, 3000 yuan of fiber glass reinforced plastics (FRP) body, 1200 yuan of drive motor of Chinese invented etc., count 1.8 ten thousand yuan) comfort feature that uses is better than fuel-engined vehicle, powers up (photovoltaic module is 30% in cloudy generating efficiency) than easy to lubricate.Energy consumption cost, travels and in this, need not charge in percentage every day, and the electricity charge are zero, 100 kilometers above (per 100 km power consumption 4 degree, 2.2 yuan of electricity charge).In " the international new forms of energy in Nanjing " exhibition of sponsoring in 18 in October, the 2010 Jiangsu Province People's Government, expose.
Claims (2)
1. a wind-light electric vehicle is to drive Vehicle Driving Cycle by regenerative resource (solar power, wind energy), its technical spirit is that photoelectric conversion technique (solar cell) forms power generating source with wind-powered electricity generation conversion technique (vertical machine wind machine " medium-sized wind wheel ") and accumulation power supply (power battery pack) forms vehicular energy system, being arranged on (not using traditional passenger-car chassis) in innovation drive system can travel on the ground according to the instruction of system, what burn is light, wind, with electricity, discharge be zero.To vehicle, mix power generation assembly, what customer obtained is that " low price " (1.8 ten thousand yuan of wind-light electric vehicle costs) powers up than easy to lubricate, travels every day and need not charge within hundred kilometers, and the electricity charge are zero.100 kilometers of above electricity charge are 2.2 yuan, in " the international new forms of energy in Nanjing " exhibition of sponsoring, expose in 18 in October, the 2010 Jiangsu Province People's Government.
2. a kind of wind-light electric vehicle according to claim 1, it is characterized in that being located at the blade of 2 vertical axis windmills of body tail (leaf flow pattern), can make full use of the wind-force from all directions, as long as there is wind moving, just can make the wind wheel of vertical shaft wind business machine (leaf flow pattern) rotate, directly drive an electrical generator that is arranged on bottom rotate electricity that (generating) send by air-blower control inverter to power battery charging, can supply with at any time wind-light electric vehicle use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410120639.3A CN103935253A (en) | 2014-03-28 | 2014-03-28 | Wind-solar electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410120639.3A CN103935253A (en) | 2014-03-28 | 2014-03-28 | Wind-solar electric vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112928864A (en) * | 2021-01-21 | 2021-06-08 | 刘俊国 | Environment-friendly bidirectional wind-driven automobile generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112928864A (en) * | 2021-01-21 | 2021-06-08 | 刘俊国 | Environment-friendly bidirectional wind-driven automobile generator |
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