CN101882887B - High-power magnetostrictive rail pressure electricity generation system - Google Patents
High-power magnetostrictive rail pressure electricity generation system Download PDFInfo
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- CN101882887B CN101882887B CN 200910059167 CN200910059167A CN101882887B CN 101882887 B CN101882887 B CN 101882887B CN 200910059167 CN200910059167 CN 200910059167 CN 200910059167 A CN200910059167 A CN 200910059167A CN 101882887 B CN101882887 B CN 101882887B
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Abstract
The invention relates to a high-power magnetostrictive rail pressure electricity generation system, which can be applied to overground railways and underground railways; a high-power magnetostrictive module installed below a rail generates electricity by utilizing the great kinetic energy generated when a railway train runs, and mechanical pressure kinetic energy is converted into electrical energy; the electrical energy of all modules is converged into medium and small stations or special electric stations to be stored for use, or networked with larger stations or electric stations, or inverted to be networked with commercial electricity; and the electricity generation module has the capabilities of preventing rain and preventing the impact force of train running, and because the module is installed between two sleepers and at the gap below two rails, the module can be conveniently installed, maintained and detached without detaching the rails, and the normal operation of the railway and the bearing of the rails can not be influenced.
Description
Affiliated technical field
The present invention relates to a kind of electricity generation system, relate in particular to a kind of high-power magnetostrictive rail pressure electricity generation system.
Technical background
Energy crisis is one of the most serious problem in this century; With coal, oil, hydroelectric power generation is that the modern energy of representative is because human transition is exploited utilization and exhaustion day by day; And bring day by day serious environmental to pollute; We also suffer ecology, environmental crisis when obtaining the huge energy, threatening our survival and development.For this reason, new forms of energy become the task of top priority that countries in the world urgently are concerned about, develop, are used, and new forms of energy fast developments in recent years such as Here it is solar energy, wind energy, nuclear energy, must arrive the major reason that the huge fund exploitation is thrown in countries in the world.Yet the dominant position that new forms of energy such as solar energy, wind energy, nuclear energy will replace coal, oil and waterpower is premature.At first, the solar energy countries and regions that can only shine upon daytime are just possible; Wind energy could be utilized in the bigger area of wind-force, and China all can't adopt wind power generation in most of city; Although nuclear energy has a high potential, also be known as " safety ", nuclear leakage, nuclear pollution require extremely strict safe practice and measure, can't adopt a casual attitude; Hydroelectric power generation in China because the advantageous natural resources in the Changjiang river, the Yarlung Zangbo River and tributary thereof are arranged; Can obtain inexhaustible waterpower electric energy; Yet, except its building time is very long, need highly energy-consuming, high pollution raw materials such as a large amount of cement, steel during building; This original intention with develop energy but consumes the existing energy in advance, and current energy crisis is further worsened.After Three Gorges Dam builds; Tributary of Yangtze Dadu River has 22 step dams, Jinsha jiang River, Nujiang, Lancang River plan will have up to a hundred step dams to build; Stretched to the Yarlung Zangbo River to the feeler of planning at present; They lie across on only several the great rivers of China, great river as numerous step dam, exchange sustainable development of economy for to sacrifice western resource.Not hard to imagine, if so how dams accomplishes after the merit, the natural resources of China, the ecological balance could be with being general layout how, and the consequence contemporary people that they bring possibly be difficult to estimate!
Ecocrisis and energy crisis are that we have to introspect and select equally, and therefore, the proposition eco-energy is only us and solves the contradiction between the ecology and the energy, is the wise move of sustainable development.
The present invention utilizes the new and high technology new forms of energy of existing new and high technology and material production, and it utilizes ubiquitous pressure, makes can be stressed and produce that the material of electric energy generates electricity, that is, utilize the immense pressure energy to be converted into electric energy through special electronic devices and components.The material that generates electricity that can be stressed at present has: 1, piezoelectric and series thereof, as: piezoelectric ceramic, organic piezoelectric materials, composite piezoelectric material, semiconductor piezoelectric ... Deng; 2, magnetostrictive material and series thereof, as: common magnetostrictive material, rare earth giant magnetostrictive material ... Deng two big types.
In application facet, it is the most remarkable to surely belong to rail pressure electricity generation, and cost is minimum, can be successful.Because the weight of a joint train reaches the 50-90 ton, it is several times of automobile, more than tens times; Secondly, it can only utilize minimum space mounting below the rail, needn't must be paved with highway as the on-highway motor vehicle electricity generation module, and cost reduces greatly; The 3rd, it can not influence the normal operation of railway, installs, the dismounting electricity generation module is very convenient, needn't must excavate the road surface as the highway piezo electric module and could install, dismantle, and influences the normal operation of vehicle.Above fundamental has determined the independent superiority of rail pressure electricity generation.
Summary of the invention
The present invention provides a kind of high-power magnetostrictive rail pressure electricity generation system, and it can be used in railway and subterranean railway on the ground.The huge kinetic energy that it utilizes the railroad train operation time to be produced makes the high-power magnetostrictive module generating that is installed in below the rail, and mechanical pressure kinetic energy is converted into electric energy; The electric energy of all modules is pooled to middle or small station or special power station stores use, or networks with bigger station, power station, or through inversion and civil power networking; The ability of rainproof, anti-train operation impulsive force that this electricity generation module has; Because module is installed between two sleepers, the following gap of two rails; Thereby needn't pull down just installation, maintenance and dismounting module easily of rail, can not influence the normal operation of railway and the carrying of rail.
Technical scheme of the present invention is:
1, be in juxtaposition with many magnetostrictive material, each root magnetostrictive material is around with coil, and electric in series or in parallel with each other joining between each magnetostrictive material is power to improve generating voltage and electric current.There are fixing clamping plate the above and below of magnetostrictive material, damping spring is arranged as pressure buffer below the train wheel bridge, the protection magnetostrictive material; Magnetostrictive material are installed between damping spring and the lower plate, and the electric power output lead of magnetostrictive material passes shell.
2, the last shell of module contacts with the lower surface of rail; Base is fixed on the face of ground; One gap is arranged between last shell and the base, because the buffer spring in the module makes the gap remain at a relatively-stationary gap size, the normal pressure of train can not make gap-closing; Have only when train pressure anomaly or burst during excess pressure this gap just closed, limiting the magnetostrictive material in the bigger pressure damage shell, thereby protected magnetostrictive material and internal electric circuit thereof.Last shell comprises and covers following base, infiltrates in the shell to prevent rain.
3, magnetostrictive material and shell are combined into an electricity generation module; Each installs an electricity generation module respectively below two rails, between per two sleepers; Two electricity generation modules are perhaps connected according to the designing requirement parallel connection of concrete system; The whole parallel connections of electric power output line of the electricity generation module of installing between all sleepers then are two power lines, send into the electric power apotheca at medium and small station through underground cable.
4 is the same with any electric equipment; The course of work that all has installation, maintenance, dismounting, replacing; Take following measure for not influencing the daily normal operation of train: a) electricity generation module is not directly installed between rail and the sleeper; And be mounted in below two rails, between the neutral of two sleepers, like this, install, can not change when changing module the position and the fixed connecting part of rail and sleeper; And module is installed in and is equivalent to add in the middle of the track one the 3rd fulcrum between two sleepers, and is more favourable in the even running of the supporting & stablizing of track and train; B) between the base and ground basal plane of electricity generation module, insert a pair of wedge type latch, be fixed on module, wedge-shaped bolt on the ground together with bolt during installation; Unclamp bolt during dismounting, take out a pair of wedge-shaped bolt and can unload lower module; C) stable installation buffer spring again or below lower casing, this spring is controlled by set bolt, pressurized that can the up-down adjustment spring, decontrols height dimension; When the spring size is turned down, can translation ground advance, the dismounting electricity generation module, and when pull-off spring and size thereof; Module is promptly raised with track and is meshed; Dismounting, install very convenient, and this spring further slowed down again track at train through out-of-date impact, protection module to module.
5, noise-proof device: at the slim pad of cushioning one damping protection against noise between the shell on rail and the module; Because after long-time running, always might have the gap between rail and the last shell; When tens of tons of railway car through out-of-dately will producing violent strike at any time, sending extremely strong noise, pad will slow down strike greatly, reduce the generation of noise.
6, the storage/steady device of electric power: because the load-carrying of train changes greatly, multiple situation such as zero load, fully loaded, overload are arranged often, the voltage fluctuation of generating changes so, the output fluctuations of electric power possibly be a kind of generation mode of big ups and downs quite greatly.Thereby except the continuous charging of storage battery, also should be equipped with enough large-capacity power electric capacity and make power fluctuation level and smooth, and over-pressure safety device.
7, the selection of magnetostrictive material: at present numerous magnetostrictive material; Potentialization be Giant Magnetostrictive Materials Containing RE; It can produce the super high power transducer of several multikilowatts; Be several times of the piezoelectric ceramic generating, and can bear higher pressure and impulsive force 200 ℃ of high-temperature region work.
Useful effect of the present invention is:
1, with respect to solar energy, wind energy.The countries and regions that solar energy can only shine upon daytime are just possible; Wind energy could be utilized in the bigger area of wind-force, and China all can't adopt wind power generation in most of city;
2, with respect to nuclear energy, hydroelectric power generation, thermal power generation.Although nuclear energy power generation has a high potential, nuclear leakage, nuclear pollution strict safe practice and measure can't adopt a casual attitude;
Hydroelectric power generation in China because the advantageous natural resources in the Changjiang river, the Yarlung Zangbo River and tributary thereof are arranged; Can obtain inexhaustible waterpower electric energy;, building time high except its cost is very long; Need highly energy-consuming, high pollution materials such as a large amount of cement, steel during building, this original intention with develop energy but consumes the existing energy in a large number in advance, and current energy crisis is further worsened.Build dam and bring inconvenience to ship, also can bring local geologic structure and Ecological Changes, the mudstone sanitary fill forms the earthquake inducement.Particularly the step dam causes " intestinal obstruction " and " gall stone " to great rivers artificially, and the ecological balance is brought very big destruction.Very important is life, inhabitation and the living environment that also will change littoral resident, and removing and resettlement work neither be easy to thing, and fringe cost is very high.
Coal that thermal power generation is required or fuel oil all are non-renewable energy resources, and be exhausted day by day now through human long-term exploitation.Coal and oil bring to environment again and destroy and pollution, and the carbon dioxide that their produce raises global temperature, and natural calamity takes place frequently.The exploitation of coal usually causes colliery landslide, gas fried cruelly, and annual they are not several because of the death that mine disaster caused has meter with property loss.
Utilize then consumption of natural resource not fully of rail pressure electricity generation, do not cause environmental pollution fully, and problems such as gas is fried cruelly, casualties, nuclear pollution; It can significantly reduce, slow down the transition exploitation in several big rivers of China, and the huge natural resources of protection western China is left the descendants for, safeguards the ecological balance in the whole nation and permanent sustainable development; It utilizes road surface and the other land occupation resource of existing or newly built railway; Do not consume a large amount of cement, steel etc. and the highly energy-consuming of being paid, the cost of high pollution are utilized new and high technology, high-tech material; Huge kinetic energy generating when utilizing train operation, the construction period greatly shortens.China railways net, line sheet cloth all parts of the country, length overall occupies the world the 4th, and the development of city underground is also very fast, and its energy output is with inestimable, and preresearch estimates is not second to the energy output of several Three Gorges Dam!
3, compare with similar highway generating, stream of people's generating.First; The highway generation technology must excavate highway pavement and imbed electricity generation module, also will excavate ground once more when maintenance, dismounting, will make rigid cement pavement into flexible special asphalt road surface in addition; Influence the high-speed cruising of automobile, so utilize the difficulty of highway generating practical application very big!
Just on the road surface, on the road surface, it can not have influence on the daily normal operation of train to rail itself yet for the installation of electricity generation module, maintenance and replacing, and this just fundamentally guarantees not disturb mutually between railway transportation and the generating.
The second, highway generating must large tracts of land be laid electricity generation module, and cost is very high, and rail power generation only utilizes below the rail, the space between the sleeper, takies minimum space.Also have, the weight of a row train and loading capacity are equivalent to the weight and the loading capacity of two automobiles up to a hundred, and train is for the pressure of the rail pressure considerably beyond the doughnut road pavement, and the pressure electricity-generating electric energy of its generation is also considerably beyond the pressure electricity-generating electric energy of highway; Therefore, the cost of railway generating generates electricity well below highway, and energy output but is the several times of highway generating.
The 3rd, the fail safe aspect, in a single day highway gets into an accident, and gasoline flows out to ground, and traffic police and rescue personnel need only one near the spot of the accident, just possibly make underground piezoelectric material to generate electricity, and any one electric spark all will cause the automobile serial blast! Rail power generation is then as long as carry out just passable according to the railway traffic safety operational procedure.
4, rail pressure electricity generation is 1 year 365 days round-the-clock generation modes, especially for China in the festivals or holidays of railway operation peak period especially; And solar energy, wind energy, highway generating all will receive the restriction at area, weather, daytime and night, and their energy output is limited after all.
5, standardization.In order to realize industrialization, mass, necessary new standard---the domestic new standard of formulating rail pressure electricity generation module, equipment and system, international new standard.
Description of drawings:
Fig. 1 is magnetostriction modular structure figure, wherein, 1---magnetostrictor, 2---coil, 3---buffer spring, 4---train wheel bridge, 5---lower plate, 6---protection, display circuit, 7---base, 8---shell, 20---module assembly
Fig. 2 is the installation diagram of electricity generation module and rail, wherein, 1---magnetostrictor, 2---coil, 3---buffer spring, 4---train wheel bridge, 5---lower plate, 7---base, 8---shell; 9---the damping pad, 10---briquetting, 11--- bolt 1,12---rail, 13--- bolt 2,14---wedge shape inserted block, 15---the protection gap, 16---ground, 20---module assembly.
Fig. 3 is the sketch map that electricity generation module and rail, sleeper assemble, wherein, 12---rail, 16---ground, 17---sleeper, 20---module assembly.
Fig. 4 is that electricity generation module and rail, sleeper are installed schematic top plan view, wherein, 12---rail, 17---sleeper, 20---module assembly.
Fig. 5 is a rail pressure electricity generation system integration sketch map, wherein, 20---module assembly; 21---cable passage, 22---batteries, 23---level and smooth power capacitor group; 24---direct-flow distribution system, 25---straight-as to hand over inverter system, 26---DC transmission systems; 27---AC transmission system, 19---ground wire.
Embodiment:
Among Fig. 1; Magnetostrictor (1) is fixed on above the base (7); The coil (2) of generating is around the perisphere of magnetostrictor (1); Buffer spring (3) is fixed between train wheel bridge (4), the lower plate (5), and protection, display circuit (6) also is fixed on the base (7), and shell (8) covers magnetostrictor (1), coil (2), buffer spring (3), train wheel bridge (4), lower plate (5), display circuit (6), base (7) becomes module assembly (20).
Among Fig. 2; Magnetostrictor (1) is fixed on above the base (7), and the coil of generating (2) is around the perisphere of magnetostrictor (1), and buffer spring (3) is fixed between train wheel bridge (4), the lower plate (5); Protection, display circuit (6) also are fixed on the base (7); Shell (8) covers internal components, becomes module assembly (20), and a protection gap (15) is arranged between shell (8) and the base (7); General train can not make gap-closing under normal pressure; Have only when train pressure anomaly or burst excess pressure and protect the gap just closed,, thereby protected magnetostriction electricity generation material and inner electromechanical component thereof with the magnetostrictive material in the bigger pressure damage shell of restriction; Module assembly (20) is installed and fixed by briquetting (10), bolt 1 (11) with rail (12), is added with damping pad (9) between module assembly (20) and the rail (12) to slow down train through out-of-date hard impact and noise to module assembly (20);
Bolt 2 (13) is fixed on module assembly (20) on the ground (16), 2 wedge shape inserted blocks (14) is arranged mutually to inserting therebetween, is fixed by bolt 2 (13) during installation; As long as unclamp bolt 2 (13) during dismounting, take out wedge shape inserted block (14) and just can unload module assembly (20) from ground.
Among Fig. 3, module assembly (20) be installed in two rails (12) below, be fixed on above the ground (16).
Among Fig. 4, module assembly (20) be installed in two rails (12) below, between two sleepers (17), do not contact with sleeper.
Among Fig. 5; Be installed in the power output end parallel connection of all the electricity generation module assemblies (20) below the rail; Electric power output line one termination ground wire (19), the parallel connection back is delivered in the electric panel room at station through cable passage (21), inserts batteries (22) and level and smooth power capacitor group (23) storage; Level and smooth electric energy is divided into two-way as required: the one road to direct-flow distribution system (24), transfers out to DC transmission system (26) again; Another road is sent into AC transmission system (27) and civil power networking with dc inversion for exchanging to straight-friendship inverter system (25).
Claims (3)
1. high-power magnetostrictive rail pressure electricity generation system; It is characterized in that: magnetostrictor (1) is fixed on above the base (7); The coil (2) of generating is around the perisphere of magnetostrictor (1); Buffer spring (3) is fixed between train wheel bridge (4) and the lower plate (5); Protection, display circuit (6) also are fixed on the base (7), and shell (8) covers magnetostrictor (1), coil (2), buffer spring (3), train wheel bridge (4), lower plate (5) and protection, display circuit (6), becomes module assembly (20);
Between shell (8) and the base (7) gap (15) is arranged; General train can not make gap-closing under normal pressure; Have only when train pressure anomaly or burst this gap closure just during excess pressure; With the magnetostrictor in the bigger pressure damage shell of restriction, thereby protected other electromechanical component in magnetostrictor and the module assembly (20);
Module assembly (20) is installed and fixed by briquetting (10), bolt 1 (11) with rail (12), is added with damping pad (9) between module assembly (20) and the rail (12) to slow down train through out-of-date hard impact and noise to module assembly (20);
Bolt 2 (13) is fixed on module assembly (20) on the ground (16), 2 wedge shape inserted blocks (14) is arranged mutually to inserting therebetween, is fixed by bolt 2 (13) during installation; As long as unclamp bolt 2 (13) during dismounting, take out wedge shape inserted block (14) and just can unload module assembly (20) from ground.
2. high-power magnetostrictive rail pressure electricity generation according to claim 1 system is characterized in that, module assembly (20) be installed in two rails (12) below, between two sleepers (17), be fixed on above the ground (16), do not contact with sleeper.
3. high-power magnetostrictive rail pressure electricity generation according to claim 1 system is characterized in that, is installed in the power output end parallel connection of all module assemblies (20) below the rail, wherein the electric power output line one termination ground wire (19) of module assembly (20); The parallel connection back is delivered in the electric panel room at station through cable passage (21); Insert batteries (22) and level and smooth power capacitor group (23) storage; Level and smooth electric energy is divided into two-way as required: the one road to direct-flow distribution system (24), transfers out to DC transmission system (26) again; Another road is sent into AC transmission system (27) and civil power networking with dc inversion for exchanging to straight-friendship inverter system (25).
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| CN 200910059167 CN101882887B (en) | 2009-05-04 | 2009-05-04 | High-power magnetostrictive rail pressure electricity generation system |
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| CN 200910059167 CN101882887B (en) | 2009-05-04 | 2009-05-04 | High-power magnetostrictive rail pressure electricity generation system |
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| CN101882887A CN101882887A (en) | 2010-11-10 |
| CN101882887B true CN101882887B (en) | 2012-12-26 |
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Cited By (1)
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| CN111041899A (en) * | 2019-12-03 | 2020-04-21 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
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| CN102170247A (en) * | 2011-04-25 | 2011-08-31 | 中北大学 | Energy acquisition circuit of micro-power device driven by piezoelectricity-magnetoelectricity combined vibration |
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| JP5915433B2 (en) * | 2012-07-23 | 2016-05-11 | ミツミ電機株式会社 | Power generation element |
| CN105201766A (en) * | 2015-09-02 | 2015-12-30 | 北京印刷学院 | Mass energy conversion device adopting gas energy storage and double-cylinder reciprocation vibrating piezoelectric transduction and applied to railway remote monitoring |
| CN105134524A (en) * | 2015-09-02 | 2015-12-09 | 北京印刷学院 | Gas energy storage and piezoelectric deformation damping and power generation device for urban railway train |
| CN105114271A (en) * | 2015-09-02 | 2015-12-02 | 北京印刷学院 | Axisymmetric gas energy-storage electromagnetic transformation city subway train damping generating apparatus |
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| CN106320099A (en) * | 2016-10-13 | 2017-01-11 | 长安大学 | Energy-storing and shock-absorbing type power generation device for subway train rails |
| CN108238067A (en) * | 2016-12-27 | 2018-07-03 | 比亚迪股份有限公司 | Rail traffic vehicles and its alignment system, method, trackside device and track |
| CN108037186B (en) * | 2017-11-29 | 2021-01-22 | 沈阳工业大学 | Magnetostrictive film type passive rail flaw detection device |
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| US4239974A (en) * | 1979-02-09 | 1980-12-16 | St Pierre Richard E | Electrical power generating system |
| CN1610209A (en) * | 2004-11-22 | 2005-04-27 | 西安交通大学 | Rail vehicle vibrating energy piezoelectric power generating method and system thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111041899A (en) * | 2019-12-03 | 2020-04-21 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
| CN111041899B (en) * | 2019-12-03 | 2022-03-04 | 长安大学 | Intelligent power generation track slab based on magnetostrictive material |
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