CN101941385A - Electric suspension vehicle - Google Patents
Electric suspension vehicle Download PDFInfo
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- CN101941385A CN101941385A CN2009101399111A CN200910139911A CN101941385A CN 101941385 A CN101941385 A CN 101941385A CN 2009101399111 A CN2009101399111 A CN 2009101399111A CN 200910139911 A CN200910139911 A CN 200910139911A CN 101941385 A CN101941385 A CN 101941385A
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Abstract
The invention relates to an electric suspension vehicle. The electric suspension vehicle comprises two parts, namely an elevated channel and a suspension vehicle, wherein the elevated channel is an elevated horizontal channel which is composed of a top plate and side plates and opened downward, contact lines are arranged in the side plates; the suspension vehicle is suspended under the elevated channel and composed of a vacuum box, a draft fan, a driving device, a pantograph, an inner power supply unit, a control device and a carriage for carrying passengers; and the vacuum box is a rectangular box which is opened on the top, the upper opening of the vacuum box is covered on the lower surface of the top plate of the elevated channel, partial side walls have elasticity, and the bottom plate is connected with the lower carriage for carrying passengers through a draw bar. The realization method of suspension comprises the following steps: starting the draft fan, evacuating the air in the vacuum box to raise the bottom plate of the vacuum box and drawing the lower carriage upward with the draw bar, wherein an air gap is generated between the upper opening of the vacuum box and the lower surface of the top plate of the elevated channel through the leakage acting force; the pantograph supplies power for the inside of the vehicle; and an asynchronous motor drives wheels to rub with the lower surface of the top plate of the elevated channel so as to generate a thrust and drive the suspension vehicle.
Description
Technical field
The present invention relates to traffic transporting technology, refer more particularly to a kind of electrodynamics suspension car.
Background technology
Traditional adhesion railway, sticking action between wheel track produces tractive force, but sticking action reduces along with the raising of speed, and the railway speed of therefore adhering has a limit.For breaking through this velocity limit, the seventies in 20th century also in order thoroughly to overcome the problems such as friction, vibration and fugitiveness between the adhesion railway track and wheel hub, two kinds of non-adhesion levitated vehicles---electrodynamics suspension car and magnetically levitated vehicle appearred simultaneously.The electrodynamics suspension car is free air suspension car again, and it utilizes gas engine to produce high pressure gas, sprays between vehicle and guide rail and forms air cushion, utilizes the turbo jet engine powered vehicle to advance again.The aerotrain aerotrain speed per hour of France's development reaches 428 kilometers.Magnetically levitated vehicle utilizes the application force of magnetic, train is suspended and driving.No matter be electrodynamics suspension car or magnetically levitated vehicle, all orbit, so these two kinds of cars all belong to the railway category, can be called air suspension railway and magnetic suspended railway.
The free air suspension car of the external development of eighties of last century is to utilize gas engine to produce high pressure gas, sprays into between compartment and guide rail or ground, forms air cushion in the gas apron of bottom, compartment, holds up the compartment.Because whole free air suspension car is a rigidity entity, the high vibration of gas engine, jet engine, and the rocking of high speed free air suspension car itself, all require the metal gas apron periphery of free air suspension car bottom and ground or and guide rail between enough height will be arranged, to prevent scratching, this just cause in the air cushion high pressure gas leak in a large number, so the energy consumption that free air suspension car suspends is very big.In addition, free air suspension car utilizes the jet engine driving to advance, and therefore, free air suspension car not only energy consumption is big, and noise is big, pollution is big, and free air suspension car almost disappeares even to this day.
Just because of this, at aspects such as energy consumption and noises, the air suspension car of having developed is not as magnetically levitated vehicle, and therefore except that indivedual countries, most countries has all been abandoned the air suspension car.But magnetic suspended railway involves great expense, and does not also have the commerce operation magnetic suspended railway of a long distance at present in the world.China buys the technology and equipment of Germany for inquiring into the possibility of building magnetic suspended railway at Beijing-Shanghai line, has repaiied one 31 kilometers long experimental magnetic suspended railway in Shanghai, has expended 89 hundred million.Because the magnetic suspended railway problems, the year before, country builds magnetic suspended railway at Beijing-Shanghai line.On Beijing-Shanghai line, the high speed railway of wheel-track type has begun construction at present.
In fact, the air suspension car is low cost not only, also has other lot of advantages.It is negated mainly to be because energy consumption, pollution and noise in history.If can overcome its shortcoming, bring into play its strong point, just might the air suspension car weight newly be emerged at railway and other field of traffic, propagate its belief on a large scale, thoroughly change Human's production and life looks.
In May, 2008, my invention: a kind of high speed railway, application number is 2005100918048, is awarded patent for invention.In this invention, provided the underslung high speed railway of forming by air suspension car and overhead passage way in a kind of compartment.Reaction plate on the overhead passage way acts on mutually with linear electric motors on the air suspension car, obtains propulsive force.This structure has 2 limitations: the one, and levitated vehicle speed is fast inadequately, and in theory, this levitated vehicle maximum speed is per hour more than 100 kilometer; The 2nd, because contacting except between the contact wire of pantograph and power supply, other any contact of nothing between air suspension car and overhead passage way causes the poor stability of the suspension of air suspension car thus.The stability of said suspension is: the vacuum tank upper periphery of air suspension car, and and the high-flying road lower surface between the size of air gap because multiple accidentalia may change, and further arrive the reliability that the suspension compartment suspends.
The size of air gap has influence on the size of air leakage; And the size of air leakage has influence on the degree of vacuum of vacuum tank, has influence on the lifting in vacuum tank base plate and following suspension compartment again; And the lifting in suspension compartment, further spur conversely again the vacuum tank upper periphery and and the high-flying road lower surface between the change of air gap.So circulation superposition repeatedly can make the vibration up and down of suspension compartment generating period, and final air gap is excessive, causes the destruction fully of vacuum tank degree of vacuum, to such an extent as to cause the suspension compartment not suspend.
Along with the development in city and the raising of living standards of the people, the magnitude of traffic flow significantly increases, and in the city, particularly in the metropolis, the problem of traffic congestion is serious day by day.It is reported that the vehicle average speed per hour of the many major streets in Beijing is less than 10 kilometers at present.For solving the problem of Urban Residential Trip difficulty, answer develop actively speed fast, subterranean railway, elevated railway and suburb speed rail are built in the urban track traffic that can carry bus's flow by stages and in groups.Cities such as Beijing of China, Shanghai, Guangzhou, Nanjing, Wuhan have all entered the fast-developing period of urban track traffic.Present domestic subway F-Zero has reached hundred kilometers, and the light rail speed per hour also reaches 50 kilometers.Subway and light rail offer convenience to citizens' activities, but compare with other conventional vehicles of urban district, and an outstanding shortcoming of existing subway and light rail is the noise and vibration that makes us hard to bear.The travel vibration and the harsh noise of medium high frequency of Beijing Metro makes the passenger very uncomfortable; And the built on stilts Shanghai light rail that runs in the guide between high buildings and large mansions, because the wheel track noise disturbs residents and is inhibited in night running.
Above-mentioned background technology about levitated vehicle and urban track traffic has a detailed description in following monograph or patent:
1, " magnetic levitation railway system and technology ", Wei Qingchao, Kong Yongjian write, China Science Tech Publishing House (2003);
2, " urban track traffic ", Mao Baohua etc. write, Science Press (2002);
3, " subway and light rail ", Zhang Qinghe etc. write, People's Transportation Press (2003);
4, patent of invention: a kind of high speed railway, patent No. ZL2005100918048.
Summary of the invention
Purpose of the present invention:
The one, in order to overcome, be power operated air suspension car with combustion gas, the shortcoming aspect energy consumption, pollution and noise;
The 2nd, in order to overcome, be the air suspension car of the linear motor driving of reaction plate with the track, speed and stable aspect deficiency.
For this reason, provide a kind of air suspension car, be called for short the electrodynamics suspension car by Induction Motor-Driven.Its cost is low, noise is low, energy consumption is low, pollution is low, speed is high, good stability, safe, comfortable.It both had been applicable to inter-city passenger rail and city railway, also was applicable to industrial and mining enterprises and amusement park.
For achieving the above object, the electrodynamics suspension car that the present invention provides is total to two parts by high-flying road and levitated vehicle and forms.
High-flying road is the horizontal channel under shed that is made of the built on stilts bar shaped top board that is provided with of level, two blocks of side plates linking to each other with its left and right edges, the setting of its downline, the bracket supports of along both side being stood at regular intervals by railway.Supporting plate, the contact wire of load-bearing are set on the high-flying road symmetrically.The plane of the supporting plate of bar shaped is a level, is fixed on the lower edge of high-flying road side plate inside face, and when levitated vehicle was in non-suspended state, supporting plate was born the total weight of levitated vehicle; The top of high-flying road left side plate inside face respectively is provided with a contact wire, and the pantograph on it and the levitated vehicle cooperates, and is provided for the whole electric power that suspend and drive to levitated vehicle.
Levitated vehicle is made of the compartment of power equipment supply, actuation means and carrying in vacuum tank, induced draft fan, driving arrangement, the car.
Vacuum tank is by four sidewalls, two long sidewalls, the chest of a rectangular top opening of two short sidewalls and a base plate formation.The upper limb of two long sidewalls of vacuum tank is aduncate pressure flanging.The opening of vacuum tank top is buckled on the lower surface of high-flying road top board, and four sidewalls of vacuum tank have certain elasticity, and the base plate of vacuum tank links to each other with the compartment envelope of following carrying by connecting rod.The outside face of vacuum tank left and right sides sidewall is symmetrical arranged two pantographs.
Induced draft fan is installed under the vacuum tank base plate, and the admission port of induced draft fan connects the bleeding point of the vacuum tank on the vacuum tank base plate, and the exhausr port of induced draft fan communicates with atmosphere outside vacuum tank.Start induced draft fan, extract the part air between vacuum tank and high-flying road top board, bar pressure begins to be lower than environment atmospheric pressure in the vacuum tank, along with this difference of pressure strengthens gradually, the vacuum tank elastic sidewall begins compression, the vacuum tank base plate rises, and the compartment of carrying below the connecting rod pull-up, has realized suspension.
Driving arrangement is positioned at vacuum tank, and it comprises: asynchronous motor, chassis and wheel.Asynchronous motor is fixed on the vacuum tank base plate by the chassis.Asynchronous motor passes to three plase alternating current, and asynchronous dynamo drives wheel revolutions, and wheel and high-flying road top board lower surface generation rubbing effect produce horizontal thrust, advances in order to drive levitated vehicle.
Power equipment supply comprises main transformer, rectifier and the inverter in the compartment in the car.Every joint compartment interior power equipment supply of harnessing an animal to a cart produces three-phase power, supplies with asynchronous motor and induced draft fan.
Actuation means is controller and the operator's station in the levitated vehicle.Controller provides control signal for rectifier, inverter, and the driver again via controller, sends various operating instructions by operator's station.
A plurality of levitated vehicles link to each other can constitute aerotrain, and it is made up of each joint suspension car of head and the tail and middle some joint levitated vehicles.One end of a suspension car is a stream line pattern, and a car inside that suspends also is provided with the actuation means of the full car operation of control.Induced draft fan, driving arrangement and the Che Nei power equipment supply of a suspension car and every joint levitated vehicle are identical.
Following explanation, electrodynamics suspension car of the present invention, the improvement aspect energy consumption, pollution and noise:
Levitated vehicle of the present invention has a top opening, is buckled in the vacuum tank of high-flying road top board lower surface.The sidewall of vacuum tank is flexible, and when air was drawn out of in the vacuum tank, the vacuum tank base plate rose, and the pull-up compartment suspends.The periphery suitable for reading of vacuum tank does not contact with the high-flying road top board, utilize the differential pressure action power of inside and outside gas, make and produce a very thin air cushion between vacuum tank upper periphery and top board, very little air gap, utilize the Asynchronous Motor Driving wheel of levitated vehicle then, wheel contacts with the lower surface of high-flying road top board, and both generation thrusts that rub promote levitated vehicle and advance.Air gap between this electrodynamics suspension car vacuum tank periphery and top board is than the little order of magnitude of the energy of the air gap under the above-mentioned free air suspension car gas apron, and gas leakage is few, and the energy consumption that therefore suspends is little, pollutes also to alleviate greatly.Owing to be to utilize Asynchronous Motor Driving, driving arrangement is installed in the vacuum tank, has only the exhausr port of induced draft fan to be positioned at the vacuum tank floor below in addition, and is therefore less to the noise effect of compartment and environment.
Following explanation, electrodynamics suspension car of the present invention, speed and stable aspect improvement:
The driving arrangement of electrodynamics suspension car of the present invention is positioned at the vacuum tank of levitated vehicle.It comprises: asynchronous motor, chassis and wheel.Asynchronous motor passes to three plase alternating current, and asynchronous dynamo drives wheel revolutions, and wheel and high-flying road top board lower surface generation rubbing effect produce horizontal thrust, advances in order to drive levitated vehicle.The speed that asynchronous dynamo drive wheel advances can be very big, such as per hour 200 kilometers, or 300 kilometers, the not restriction of the upper limit of a theory.Asynchronous dynamo and axletree are fixed on the chassis, and the chassis is fixed on the base plate of vacuum tank.When aerotrain moves, between the lower surface of the base plate of vacuum tank and high-flying road top board, because the wherein rotation of wheel and relative motion, simultaneously, also relative fixed of distance between the two.Vacuum tank upper periphery when the electrodynamics suspension car, and and the size of the air gap between the high-flying road lower surface, in when, because of accidentalia slight variations taking place, although have influence on the degree of vacuum of vacuum tank to a certain extent, but the height of the base plate of vacuum tank can not change, and the base plate of vacuum tank is upwards to be pressed on the lower surface of high-flying road by wheel.A little of above-mentioned air gap changes, and causes a little change of degree of vacuum of vacuum tank, just changes the size of wheel to the pressure of the lower surface of high-flying road a little.Therefore, be suspended on the height in the compartment of vacuum tank bottom, also do not change because of the slight variations of air gap.With the levitated vehicle of asynchronous dynamo and wheel drive, wheel is to the contact and the pressure of high-flying road lower surface, and the vacuum fugitiveness of vacuum tank is had the good restraining effect, greatly improved the stability of electrodynamics suspension car operation.
Following explanation, electrodynamics suspension car of the present invention, in the improvement of configuration aspects:
Electrodynamics suspension car of the present invention and patent of invention: a kind of high speed railway, air suspension car among the patent No. ZL2005100918048 is compared, structurally done 2 important simplification: the one, replace linear electric motors with asynchronous dynamo, add wheel with simple asynchronous dynamo, driving arrangement as levitated vehicle, not only designs simplification has also improved the levitated vehicle running velocity simultaneously, and has guaranteed the stability of levitated vehicle operation; The 2nd, replace blowing engine with the pressure flanging, with a slight pressure flanging, make the desirable air gap of generation between the upper periphery of vacuum tank and top board, saved heavy blowing engine.。
Advantage of the present invention is:
1, the electrodynamics suspension car released of the present invention, it has speed height, safe, comfortable advantage concurrently, can all weather operation, from structural principle, the danger that there is not derailing in it or overturns.
2, the air gap between the vacuum tank of electrodynamics suspension car of the present invention and high-flying road top board is little, and air leakage is low, thereby energy consumption of the present invention is low.Electrodynamics suspension car of the present invention is the energy with electric power, does not have exhaust emission.The main electrical equipment of electrodynamics suspension car of the present invention all in vacuum tank, has carried out acoustics shielding fully, and electrodynamics suspension car noise of the present invention is low.
3, high-flying road of the present invention is simple in structure, and consumable material is few, and high-flying road is built on stilts to be laid, and floor area is few, and therefore high-flying road laid down cost of the present invention is low, and is approximately only suitable with China traditional railway.
4, the wheel of levitated vehicle of the present invention, it not only is used to promote the levitated vehicle walking, also makes vacuum tank and high coping spacing from relative fixed, and this has just guaranteed between vacuum tank periphery and high coping a stable air gap is arranged.Air gap can not occur and change, cause that vacuum tank degree of vacuum changes, and causes series of stable problems such as suspension compartment height change again.
5, electrodynamics suspension car of the present invention both can be used as inter-city passenger rail, also can be used for city railway, such as subway, light rail and suburban railway.Electrodynamics suspension car of the present invention also can be industrial and mining enterprises and amusement park, and a kind of aerial suspension mode of transportation is provided, and is people's production and life, increases beautiful landscape one.
Description of drawings
Fig. 1 is the high-flying road constructional drawing of electrodynamics suspension car embodiment of the present invention;
Fig. 2 is the levitated vehicle constructional drawing of electrodynamics suspension car embodiment of the present invention;
Fig. 3 is the vacuum box structure figure of electrodynamics suspension car embodiment of the present invention;
Fig. 4 is the induced draft fan constructional drawing of electrodynamics suspension car embodiment of the present invention;
Fig. 5 is the driving arrangement constructional drawing of electrodynamics suspension car embodiment of the present invention;
Fig. 6 is the interior power equipment supply circuit diagram of the car of electrodynamics suspension car embodiment of the present invention;
Fig. 7 is the overall pattern of electrodynamics suspension car embodiment of the present invention;
The overall pattern of the electrodynamics suspension train that Fig. 8 is made up of electrodynamics suspension car embodiment of the present invention.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
Fig. 1 has provided the high-flying road constructional drawing of electrodynamics suspension car embodiment of the present invention.
On high-flying road, the two ends, the left and right sides of the crossbeam 1 of built on stilts horizontal positioned, the support 2,3 that is stood by symmetry supports, and support is at regular intervals, and both sides evenly are provided with along the railway, in the concrete foundation that the root of support fixes on the ground.Crossbeam 1 and support 2,3 can be made with steel.Fixing the top board 4 of high-flying road in crossbeam 1 bottom, the transversal surface of top board 4 is recessed circular arc, and its center of circle is directly over top board 4.The dual-side of top board 4 is fixed on the joint portion of crossbeam 1 and support 2,3, simultaneously, from this joint portion, is close to the left side plate 5,6 that support is symmetrical arranged high-flying road downwards, and left side plate 5,6 is fixed on crossbeam 1 and the left and right sides support 2,3 firmly.The high-strength alloy steel plate that top board 4 and left side plate 5,6 need to be not less than 2cm with thickness is made.In the middle and upper part of left side plate 5,6 inner surfaces, fixing contact wire 7,8 by insulcrete respectively, the contact wire material can be cast copper (Cu) or rhinemetal (CuSn), sectional area 170mm2.The width of insulcrete just left and right sides contact wire can not be less than 0.2m, to prevent 5,6 electric breakdowns of contact wire and side plate to the distance of left side plate 5,6.At side plate 5,6 inside faces bottom, be provided with the supporting plate 15,16 of level symmetrically.When levitated vehicle stopped, left and right sides supporting plate 15,16 will be born the total weight of levitated vehicle, and therefore, supporting plate is made with high strength steel, and was fixed on firmly on support 2,3 and the side plate 5,6.
Fig. 2 has provided the levitated vehicle constructional drawing of electrodynamics suspension car embodiment of the present invention.
Levitated vehicle is made of the compartment of power equipment supply, actuation means and carrying in vacuum tank, induced draft fan, driving arrangement, the car.
Induced draft fan 29 is positioned at the bottom of vacuum tank base plate 25, and the admission port of induced draft fan 29 communicates with bleeding point 28 on the vacuum tank negative 25.Start induced draft fan, extract the part air between vacuum tank 18 and high-flying road top board, the vacuum tank internal gas pressure begins to be lower than environment atmospheric pressure, along with this difference of pressure strengthens gradually, pressure spring 20 in the vacuum tank and elastic sidewall begin compression, vacuum tank base plate 25 rises, and the compartment 31 of carrying below connecting rod 22 pull-ups, has realized suspension.
Driving arrangement is positioned at vacuum tank 18, and it comprises: asynchronous motor 24, chassis and wheel 23.Asynchronous motor 24 passes to three plase alternating current, and asynchronous dynamo drives wheel 23 rotations, and wheel 23 and high-flying road top board lower surface generation rubbing effect produce horizontal thrust, advances in order to drive levitated vehicle.
Power equipment supply comprises main transformer, rectifier and the inverter the compartment in the car, and every joint compartment interior power equipment supply of harnessing an animal to a cart produces three-phase power, supply asynchronous motor and induced draft fan.
Actuation means is controller and the operator's station in the levitated vehicle.Controller provides control signal for rectifier, inverter, and indicating instrument and operating handle are arranged on the operator's station, and the driver again via controller, sends various operating instructions by operator's station.
The compartment of carrying is suspended in the bottom of vacuum tank, utilizes aluminum alloy or stainless steel sheet to make, and its length is the same with width and vacuum tank, is generally long 20 meters, and wide is 3 meters, and the height in the compartment of carrying can be decided to be 2.7 meters.About the intensity in the compartment of carrying, calculate for 1 ton according to every sq m load-carrying.Mainly be two calculation of strengths: the intensity of housing, the compartment of carrying is suspended in the intensity of the pull bar of vacuum tank bottom.
Fig. 3 has provided the vacuum box structure figure of electrodynamics suspension car embodiment of the present invention.
Vacuum tank 18 is by four sidewalls: the chest of the rectangular top opening that two long sidewalls and two short sidewalls and base plate constitute.The upper limb of two long sidewalls of vacuum tank is aduncate pressure flanging.Vacuum tank 18 is flat, a rectangular chest generally, the top opening, and uncovered is divided into top box and nowel two parts, and the centre is by horizontal baffle 26 separately.The sidewall of vacuum tank is made up of two parts, and they are lower wall 19 of the upper side wall 17 and the nowel of top box.Upper side wall 17 and lower wall 19 all are respectively by four sidewalls, two long sidewalls, two short sidewalls, the rectangular shaped rim that surrounds.Upper side wall 17 is rigid walls, makes with steel plate, stainless steel sheet or aluminium alloy plate, and the top opening that upper side wall 17 forms matches with the top board lower surface of high-flying road, wherein, the upper limb of two long sidewalls is aduncate pressure flangings 12, and outline is parallel flat line with the high-flying road side plate.Vacuum tank is along horizontal center line, about be symmetry fully.In the sidewall of vacuum tank top box four sides, two the upper limbs than long upper side wall parallel with the high-flying road side plate are flat lines, and two other upper side walls vertical with the high-flying road side plate, the upper limb that is called end wall again is a circular arc line, the radius of this circular arc is identical with the arc radius of high-flying road top board, and the two matches.Vacuum tank two casees middle horizontal baffles 26 up and down is deckle boards of a rectangle, and the middle part is empty, full communication between the higher and lower levels, and horizontal baffle 26 usefulness steel plates are made.Lower wall 19 is elastic walls, makes with metal corrugated plate.Vacuum tank base plate 25 usefulness high tensile steel plates are made.Pressure spring 20 is supported between horizontal baffle 26 and the base plate 25, and 25 4 jiaos of places of base plate respectively establish a pressure spring, and effect is to make vacuum tank upper periphery and high-flying road top board keep cooperating.There is an aspirating hole 28 middle of base plate 25, and vacuum tank is outwards bled by aspirating hole 28 and following induced draft fan, so that set up in the vacuum tank and maintenance low pressure.Upper side wall 17 outsides of top box are provided with pantograph 50, and it is fixed on upper side wall 17 outsides by insulcrete 52, link to each other with power equipment supply in the car by power transmission line 54.Another sidewall peripheral hardware of opposite has identical pantograph, and two contact wire moving contacts on two pantographs and the high-flying road left side plate provide whole electric power to levitated vehicle.
Fig. 4 has provided the induced draft fan constructional drawing of electrodynamics suspension car embodiment of the present invention.
Induced draft fan is the power that electrodynamics suspension car embodiment can suspend, and it is installed on the lower surface of base plate of vacuum tank.
Induced draft fan is a turbine centrifugal type draught fan 29, and it and fixes with base plate below base plate.The outside of its admission port and vacuum tank base plate 25 middle part bleeding points 28 joins, and its exhausr port leads to atmosphere.When induced draft fan 29 starts, extracted the part air in the vacuum tank, when vacuum tank base plate when difference of pressure is enough big about in the of 25, base plate 25 rises together with compartment 31, elastomeric lower wall 19 of vacuum tank and pressure spring 20 are compressed, and the supporting plate 15,16 that the attachment strap 36,37 under the vacuum tank base plate leaves on the high-flying road side plate also rises.Vacuum tank base plate 25 rises, and has raised the drive wheels in the vacuum tank simultaneously, and when drive wheels contacted the top board 4 of high-flying road, the vacuum tank base plate stopped to rise, and made vacuum tank remain on a certain specified altitude assignment.
The upper periphery of vacuum tank matches with the lower surface of high-flying road top board 4, the upper limb of former and later two end walls of vacuum tank top box is a circular arc, it matches with the circular arc of top board 4, that is four upper peripheries of vacuum tank are on the curved surface of circular arc, and this curved surface is identical with the curved surface of top board 4.The benefit that the two arc-shaped surface matches just is that it can play the guiding role to advancing levitated vehicle, and when the levitated vehicle straight-line travelling, the action of gravity in this circular arc cooperation and compartment 31 remains on the position of center line of high-flying road compartment 31; When levitated vehicle entered bend or have side direction wind to act on compartment 31, the cooperation of this circular arc added the action of gravity in compartment 31 itself, and compartment 31 is slightly put to a side, and when external influence was eliminated, railway carriage 31 can turn back to the line of centers of high-flying road rapidly.
The length in vacuum tank 18 and compartment 31 is identical with width, and its length is 20 meters, and width is 3 meters.When the gap of the upper periphery of vacuum tank and top board 4 is 3mm, produce 1 ton lift force in order to make the every sq m of vacuum tank base plate, as calculated, the air quantity of induced draft fan 29 can not be less than 40000m3/h, and blast can not be lower than 10000Pa.The electric power supply of induced draft fan 29 is from power equipment supply in the car 44, and the electric power of power equipment supply 44 is from pantograph 50,51 and contact wire 7,8 in the car.
By four sidewalls, two long sidewalls and two short sidewalls, in the upper side wall 17 of the rectangle that fences up, the upper limb of two long sidewalls is inwardly curved, is called pressure flanging 12.The little figure of contrast lower left, pressure flanging 12 is the upper extreme points 13 from upper side wall 17, to the vacuum tank inner bending, arrives one section crimp till the flanging end points 14.A bent angle 10 is arranged between pressure flanging 12 and the upper side wall 17.When the flanging end points 14 of pressure flanging 12 props up the top board 4 of high-flying road, there is not the slit between the two, the outside air vacuum tank that can not bleed.When induced draft fan is worked, the vacuum tank internal pressure is low, the ambient pressure height, because ambient pressure is greater than the pressure in the vacuum tank, pressure flanging 12 is subjected to downward making a concerted effort, if this power gives the thrust that makes progress of upper side wall 17 greater than pressure spring, what this was downward makes a concerted effort, and can make 4 generations of top board gap of flanging end points and high-flying road of pressure flanging of the upper periphery of vacuum tank.When the upper periphery of vacuum tank and 4 on the top board of high-flying road begin to produce the gap, it is the top board 4 that the flanging end points 14 of pressure flanging 12 leaves high-flying road, under the effect of vacuum tank inner and outer air pressure difference, ambient air enters vacuum tank through air gap fast along the direction of arrow among the figure.When because the gap air inlet, air-flow is at a high speed when pressure flanging 12 outside faces flow through, according to the Bai Nuli equation, the pressure of pressure flanging 12 outside faces, along with air-flow velocity improves and pressure reduces, the gap that this trend can limit 4 generations of top board of the upper periphery of vacuum tank and high-flying road further enlarges.The bent angle 10 of selection pressure flanging 12, and the width of the pressure flanging 12 till from upper extreme point 13 to flanging end points 14 rightly can produce a more satisfactory 3mm gap between the top board 4 of the flanging end points 14 of pressure flanging 12 and high-flying road.
Fig. 5 provides the driving arrangement constructional drawing of electrodynamics suspension car embodiment of the present invention.
The driving arrangement of electrodynamics suspension car is positioned at the vacuum tank 18 of levitated vehicle, and it comprises: asynchronous motor 24, chassis 11 and wheel 23.Asynchronous motor 24 passes to three plase alternating current, the output of asynchronous dynamo 24 twin shafts, and two wheel revolutionss about drive, wheel and high-flying road top board lower surface generation rubbing effect produce horizontal thrust, advance in order to drive levitated vehicle.The speed that asynchronous dynamo drive wheel advances can be very big, such as per hour 200 kilometers, or 300 kilometers, there is not the restriction of theoretical upper limit.Axletree and asynchronous dynamo 24 are fixed on the chassis 11, and chassis 11 is fixed on the base plate 25 of vacuum tank.When aerotrain moved, between the base plate 25 and high-flying road top board 4 of vacuum tank, because wheel withstands on wherein, distance was also with regard to relative fixed between the two.
Be located at the pantograph of levitated vehicle vacuum tank 18 top box left and right sides sidewall outside faces, from the contact wire that is located at high-flying road left side plate inside face, receive defeated next electric current, and be sent to power equipment supply 44 in the car from ground substation.Under driver behavior personnel control, finish transformation, conversion process, the three plase alternating current line of force that power equipment supply 44 comes out in the car is received the asynchronous motor 24 in the vacuum tank, two spindle noses of the armature of asynchronous dynamo 24 are all worked, twin shaft outputting power, two wheel 23 rotations about drive, wheel withstands on the high-flying road top board lower surface, rubbing effect takes place in the two, produces horizontal thrust, advances in order to drive levitated vehicle.
The braking of levitated vehicle has dual mode: regenerative brake and friction braking.Regenerative brake is a kind of electric braking method, and it sends braking instruction by the driver, and controller sends control signal for the frequency converter of asynchronous motor 24, reduces output frequency, even provides 0 frequency.At this moment the asynchronous motor 24 in advancing has become electrical generator, not only have electric energy by pantograph and contact wire to the electrical network feedback, and the electromagnetic force between the asynchronous motor primary and secondary stops levitated vehicle to move on, and stops up to levitated vehicle.This regenerative brake is basic braking method.Another friction braking is a kind of mechanical braking method, and in case of emergency, the driver cuts off the power supply of asynchronous dynamo 24 and id-motor, and the attachment strap in compartment drops on the supporting plate of high-flying road, and friction force between the two slows down train rapidly, up to stopping.
Fig. 6 has provided the interior power equipment supply circuit diagram of car of electrodynamics suspension car embodiment of the present invention.
This is one 3 kilovolts Alternating Current Power Supply unit power circuits.Pantograph 50,51 obtains AC3000V from contact wire 7,8,50Hz electric power, and wherein contact wire 7 connects ac high-voltage, contact wire 8 ground connection.Electric current from contact wire 7 obtains by pantograph 50, passes through vacuum breaker 151 again, enters main transformer 153.
The rectifier 156 that constitutes with gate level turn-off thyristor GTO is received in 154 outputs of main transformer secondary side, and it is exported through reservoir capacitance 158, receive VVVF inverter 159, and the output of VVVF inverter 159 is received asynchronous motor 24 through three-phase power line.
Three sides, 155 outputs of main transformer 153 connect rectifier too, arrive inverter through reservoir capacitance again, and the three plase alternating current of inverter output uses for induced draft fan 29.
Four sides, 160 outputs of main transformer 153 are used for the auxiliary circuit power supply.
The control circuit of the inverter of asynchronous motor and induced draft fan all concentrates in the controller, by the unified control of driver.When being in the regenerative brake state, inverter becomes rectifier, and the output high direct voltage is added to rectifier through reservoir capacitance, through main transformer electric energy is fed back in the contact wire electrical network again.
Fig. 7 has provided the overall pattern of electrodynamics suspension car embodiment of the present invention.
The electrodynamics suspension car embodiment that the present invention provides is total to two parts by high-flying road and levitated vehicle and forms.
High-flying road is the horizontal channel under shed that is made of the built on stilts bar shaped top board 4 that is provided with of level, two blocks of side plates linking to each other with its left and right edges, and it is fixed on the bottom of crossbeam 1, and crossbeam 1 is supported by the support 2 that stands.Supporting plate 15, the contact wire 7 of load-bearing are set on the high-flying road symmetrically.The plane of the supporting plate of bar shaped is a level, is fixed on the lower edge of high-flying road side plate inside face, and when levitated vehicle was in non-suspended state, supporting plate was born the total weight of levitated vehicle; The top of high-flying road side plate inside face is provided with contact wire 7, and the top of another side plate inside face also is provided with contact wire, and the pantograph on they and the levitated vehicle cooperates, and is provided for the whole electric power that suspend and drive to levitated vehicle.
Levitated vehicle is made of the compartment of power equipment supply, actuation means and carrying in vacuum tank, induced draft fan, driving arrangement, pantograph, the car.
Induced draft fan 29 is positioned at the vacuum tank floor below, and the bleeding point 28 on the admission port of induced draft fan 29 and the vacuum tank base plate joins, and communicates with vacuum tank inside.
Driving arrangement is positioned at vacuum tank 18, and it comprises: asynchronous motor, chassis and wheel 23.Asynchronous motor passes to three plase alternating current, and asynchronous dynamo drives wheel 23 rotations, advances in order to drive levitated vehicle.
The outside face of vacuum tank 18 left and right sides sidewalls is symmetrical arranged two pantographs, and pantograph obtains electric power from the contact wire of high-flying road, and delivers power to power equipment supply in the car.
Power equipment supply comprises main transformer, rectifier, the inverter the compartment in the car, and every joint compartment interior power equipment supply of harnessing an animal to a cart produces three-phase power, supply asynchronous motor and induced draft fan 29.
Actuation means is controller and the operator's station in the levitated vehicle.Controller provides control signal for rectifier, inverter, and the driver again via controller, sends various operating instructions by operator's station.
Fig. 8 has provided the overall pattern of the electrodynamics suspension train of being made up of electrodynamics suspension car embodiment of the present invention.
The electrodynamics suspension train be one by 4 joint levitated vehicles and head and the tail two a joints car that suspend, totally 6 joint suspension compartments are formed.Induced draft fan, driving arrangement and the Che Nei power equipment supply of a suspension car and every joint levitated vehicle are identical.The crossbeam 1 of high-flying road, support 2 and top board 4, the root of support 2 is fixed in the ground-surface concrete foundation.By a car 30 grades 2 joint suspend row that 4 joint levitated vehicles such as a car and levitated vehicle 31 form totally 6 aerotrains that save below high-flying road, suspend and advance.Alternating Current Power Supply unit power circuit on the levitated vehicle is introduced electric power by pantograph, and common a pair of pantograph can be supplied two element circuits, the shared a pair of pantograph of promptly per two joint levitated vehicles.The actuation means of full train is positioned at a car that suspends.In order to make operating levitated vehicle not produce too much influence to other activity of the ground mankind, compartment 31 distance from bottom floor levels can not be lower than 6m, and corresponding support 2 height can not be lower than 10m.
Claims (9)
1. electrodynamics suspension car, it is made up of high-flying road and levitated vehicle two parts: high-flying road is by built on stilts bar shaped top board, two horizontal channels under shed that side plate constitutes that are provided with of level, by bracket supports, supporting plate, the contact wire of load-bearing is set on the high-flying road; Levitated vehicle is made of the compartment of power equipment supply, actuation means and carrying in vacuum tank, induced draft fan, driving arrangement, the car; Vacuum tank is by four sidewalls: two long sidewalls and two short sidewalls, the chest of a rectangular top opening that constitutes with base plate, the opening of top is buckled on the lower surface of high-flying road top board, and the vacuum tank base plate is by connecting rod, the compartment of carrying below the pull-up; Induced draft fan is installed under the vacuum tank base plate, and admission port connects the bleeding point of vacuum tank, and exhausr port communicates with atmosphere; Driving arrangement is positioned at vacuum tank, and it acts on mutually with the high-flying road top board, produces thrust; The external symmetry of vacuum tank sidewall is provided with two pantographs; Power equipment supply comprises main transformer, rectifier and inverter in the car; Actuation means is controller and the operator's station in the levitated vehicle, it is characterized in that:
(1) described driving arrangement comprises: asynchronous motor, chassis and wheel, and asynchronous motor is fixed on the vacuum tank base plate by the chassis, and asynchronous motor drives wheel, and wheel and the friction of high-flying road top board produce thrust, drive levitated vehicle;
(2) upper limb of two of described vacuum tank long sidewalls is aduncate pressure flangings.
2. according to the described electrodynamics suspension car of claim 1, it is characterized in that: described high-flying road is made up of crossbeam, support, top board, side plate, contact wire, insulcrete and supporting plate, the two ends, the left and right sides of the crossbeam of built on stilts horizontal positioned, the support that is stood by symmetry supports, support is at regular intervals, both sides evenly are provided with along the railway, in the concrete foundation that the root of support fixes on the ground; Crossbeam and support can be made with steel, fixing the top board of high-flying road in crossbeam bottom, the transversal surface of top board is recessed circular arc, its center of circle is directly over top board, the dual-side of top board is fixed on the joint portion of crossbeam and support, simultaneously, and from this joint portion, be close to the left side plate that support is symmetrical arranged high-flying road downwards, left side plate is fixed on crossbeam and the left and right sides support firmly; Top board and left side plate are made with the high-strength alloy steel plate that thickness is not less than 2cm, in the middle and upper part of left side plate inner surface, are fixing contact wire by insulcrete respectively, and the contact wire material can be cast copper or rhinemetal, sectional area 170mm
2The width of insulcrete just left and right sides contact wire can not be less than 0.2m, to prevent contact wire and side sheet room electric breakdown to the distance of left side plate; At the side plate inside face bottom, be provided with the supporting plate of level symmetrically, supporting plate is made with high strength steel, and is fixed on firmly on support and the side plate.
3. according to the described electrodynamics suspension car of claim 1, it is characterized in that: the structure of described vacuum tank comprises: four sidewalls, horizontal baffle, base plate, pressure spring and pantographs; Vacuum tank is the chest of a rectangular top opening being made of four sidewalls and base plate; Vacuum tank is divided into top box and nowel two parts, and the centre is separated by horizontal baffle; The sidewall of vacuum tank is made up of two parts, and they are lower wall of the upper side wall and the nowel of top box; Upper side wall and lower wall all are respectively by four sidewalls: two long sidewalls and two short sidewalls, the rectangular shaped rim that surrounds; Upper side wall is a rigid walls, make with steel plate, stainless steel sheet or aluminium alloy plate, the top opening that upper side wall forms matches with the top board lower surface of high-flying road, wherein, and the upper limb of two long sidewalls, it is aduncate pressure flanging, outline is parallel flat line with the high-flying road side plate, and two other short sidewalls vertical with the high-flying road side plate, the upper limb that is called end wall again is a circular arc line, the radius of this circular arc is identical with the arc radius of high-flying road top board, and the two matches; Vacuum tank two casees middle horizontal baffles up and down is deckle boards of a rectangle, and the middle part is empty, full communication between the higher and lower levels, and horizontal baffle is made with steel plate; Lower wall is an elastic wall, makes with metal corrugated plate; The vacuum tank base plate is made with high tensile steel plate, and pressure spring is supported between horizontal baffle and the base plate, and four jiaos of places of base plate respectively establish a pressure spring; There is an aspirating hole middle of base plate; The one side upper side wall outside of top box is provided with pantograph, and it is fixed on the upper side wall outside by insulcrete, links to each other with power equipment supply in the car by power transmission line, and another sidewall peripheral hardware of opposite has identical pantograph.
4. according to the described electrodynamics suspension car of claim 1, it is characterized in that: described induced draft fan is the turbine centrifugal type draught fan, and it is installed on the lower surface of base plate of vacuum tank, and fixes with base plate; The outside of its admission port and vacuum tank base plate middle part bleeding point joins, and its exhausr port leads to atmosphere; For length is 20 meters, width is 3 meters a vacuum tank, when the gap of the upper periphery of vacuum tank and top board is 3mm, produces 1 ton lift force in order to make the every sq m of vacuum tank base plate, the air quantity of induced draft fan can not be less than 40000m3/h, and blast can not be lower than 10000Pa.
5. according to claim 1 or 3 described electrodynamics suspension cars, it is characterized in that: described pressure flanging is the upper extreme point from upper side wall, to the vacuum tank inner bending, and one section crimp till the flanging end points; A bent angle is arranged between pressure flanging and the upper side wall; When the flanging end points of pressure flanging props up the top board of high-flying road, the outside air vacuum tank that can not bleed; When ambient pressure greater than the pressure in the vacuum tank, the pressure flanging is subjected to downward making a concerted effort, and can make between the top board of the flanging end points of pressure flanging and high-flying road and produce the gap; When because the gap air inlet, air-flow is at a high speed when pressure flanging outside face flows through, and air-flow velocity improves and pressure reduces, and the gap that can limit generation further enlarges; The width of the bent angle of selection pressure flanging and pressure flanging rightly can produce a more satisfactory 3mm gap between the top board of the flanging end points of pressure flanging and high-flying road.
6. according to the described electrodynamics suspension car of claim 1, it is characterized in that: described driving arrangement comprises: asynchronous motor, chassis and wheel; Driving arrangement is positioned at vacuum tank, passes to three plase alternating current, the output of asynchronous dynamo twin shaft, and two wheel revolutionss about drive, wheel and high-flying road top board lower surface generation rubbing effect produce horizontal thrust; Axletree and asynchronous dynamo are fixed on the chassis, and the chassis is fixed on the base plate of vacuum tank; When aerotrain moved, between the base plate of vacuum tank and the high-flying road top board, because wheel withstands on wherein, distance was also with regard to relative fixed between the two; Regenerative brake is an electric braking, and the electromagnetic force between the asynchronous motor primary and secondary stops levitated vehicle to move on; Friction braking is a mechanical braking, and the attachment strap in compartment drops on the supporting plate of high-flying road, and friction force between the two slows down train rapidly.
7. according to the described electrodynamics suspension car of claim 1, it is characterized in that: power equipment supply in the described car, it comprises main transformer, rectifier and inverter in the compartment, every joint compartment interior power equipment supply of harnessing an animal to a cart, produce three-phase power, supply with asynchronous motor and induced draft fan; The circuit of power equipment supply is one 3 kilovolts Alternating Current Power Supply unit power circuits in the car, pantograph obtains AC3000V from contact wire, 50Hz electric power, one of them contact wire connects ac high-voltage, another contact wire ground connection, electric current from contact wire obtains by pantograph, passes through vacuum breaker again, enters main transformer;
The rectifier that constitutes with gate level turn-off thyristor GTO is received in the output of main transformer secondary side, and it is exported through reservoir capacitance, receive the VVVF inverter, and the output of VVVF inverter is received asynchronous motor through three-phase power line; Three side outputs of main transformer connect rectifier too, arrive inverter through reservoir capacitance again, and the three plase alternating current of inverter output uses for induced draft fan; Four side outputs of main transformer are used for the auxiliary circuit power supply;
When being in the regenerative brake state, inverter becomes rectifier, and the output high direct voltage is added to rectifier through reservoir capacitance, through main transformer electric energy is fed back in the contact wire electrical network again.
8. according to the described electrodynamics suspension car of claim 1, it is characterized in that: described actuation means is controller and the operator's station in the levitated vehicle, and controller provides control signal for rectifier, inverter, and indicating instrument and operating handle are arranged on the operator's station.
9. according to the described electrodynamics suspension car of claim 1, it is characterized in that: the compartment of described carrying is to utilize aluminum alloy or stainless steel sheet to make, and is suspended in the bottom of vacuum tank; Its length is identical with vacuum tank with width, is generally long 20 meters, and wide 3 meters, the height in the compartment of carrying is 2.7 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101399111A CN101941385A (en) | 2009-07-10 | 2009-07-10 | Electric suspension vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101399111A CN101941385A (en) | 2009-07-10 | 2009-07-10 | Electric suspension vehicle |
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| CN101941385A true CN101941385A (en) | 2011-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101399111A Pending CN101941385A (en) | 2009-07-10 | 2009-07-10 | Electric suspension vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126445A (en) * | 2011-01-25 | 2011-07-20 | 中国人民解放军国防科学技术大学 | Grounding and protecting method for medium-low speed maglev train |
| CN107972682A (en) * | 2016-10-21 | 2018-05-01 | 冯文水 | A kind of suspension high ferro |
| CN109177740A (en) * | 2018-10-25 | 2019-01-11 | 西南交通大学 | A kind of suspension type magnetic-levitation train track and its traveling cage structure |
| CN112298219A (en) * | 2020-11-23 | 2021-02-02 | 湖南磁浮技术研究中心有限公司 | Semi-suspension type magnetic levitation small train transportation system |
-
2009
- 2009-07-10 CN CN2009101399111A patent/CN101941385A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102126445A (en) * | 2011-01-25 | 2011-07-20 | 中国人民解放军国防科学技术大学 | Grounding and protecting method for medium-low speed maglev train |
| CN102126445B (en) * | 2011-01-25 | 2013-03-06 | 中国人民解放军国防科学技术大学 | Grounding and protecting method for medium-low speed maglev train |
| CN107972682A (en) * | 2016-10-21 | 2018-05-01 | 冯文水 | A kind of suspension high ferro |
| CN109177740A (en) * | 2018-10-25 | 2019-01-11 | 西南交通大学 | A kind of suspension type magnetic-levitation train track and its traveling cage structure |
| CN109177740B (en) * | 2018-10-25 | 2021-04-23 | 西南交通大学 | Suspension type maglev train running part structure |
| CN112298219A (en) * | 2020-11-23 | 2021-02-02 | 湖南磁浮技术研究中心有限公司 | Semi-suspension type magnetic levitation small train transportation system |
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Application publication date: 20110112 |