WO2010034039A1 - System for transmitting electric current to an electrically driven or hybrid vehicle - Google Patents

Abstract

The invention relates to a system for transmitting electric current to an electrically driven or hybrid vehicle, comprising an electrically conductive track, electrically conductive tires, electrically conductive axles, electrically conductive current collectors and brushes, characterized in that these components are installed in a multitrack vehicle and the wheels of one side are electrically isolated from the other side in order to be able to conduct different electric potentials into the onboard power system of the vehicle, and furthermore characterized by a track which comprises two or more electrically conductive wheel lines which are separated from each other and embedded in an electrically isolated track sub-base.

Description

 System for transmitting electrical power to an electrically or hybrid powered vehicle

BACKGROUND OF THE INVENTION

1.The scope of the invention

The invention relates to a system for supplying a vehicle with electrical energy, more particularly, the invention relates to the devices for powering a powered with an electric rotating device vehicle which may also have batteries or internal combustion engine.

2. Description of the Related Art

Electric vehicles have a very limited power and range.

Hybrid vehicles solve the problem only partially because they are still one

Need combustion engine and only slightly shift the problem.

The main problem is that the batteries of a vehicle without

Internal combustion engine can only be charged or replaced at standstill.

Electricity taken from photovoltaic cells during the journey is far from sufficient.

While driving over longer distances, the batteries discharge quickly and force to lengthy breaks in the

Recharging.

None of the inventions made so far solved the problem.

Although internal combustion engines have a high power, but a much poorer efficiency than electric motors.

For a high efficiency and good emission behavior is therefore a

Electric motor preferable.

At present, however, there is no battery with the required power

In view. BRIEF DESCRIPTION OF THE INVENTION

It is an object of the present invention to provide a system which the

The vehicle supplies electrical energy when it is needed most, ie while driving, at high speeds, on gradients and on long ones

Overland routes.

According to the aspect of the invention, a power supply apparatus for an electrically powered vehicle includes an electrically conductive track, electrically conductive tires, electrically insulated ones

Axles and stoma removal collectors from rotating chassis parts.

The conventionally constructed roadway is provided with at least two electrically conductive mutually insulated wheel tracks.

These tracks can, for example, made of sheet steel, electrically conductive

Coating the substructure or electrically conductive concrete.

These tracks are supplied with a cable running parallel to the roadway continuously or segmentally and can also

Be used for data transmission purposes.

This roadway can be made to have similar physical properties

Properties, apart from the electrical has like a conventional one

Roadway.

According to the aspect of the invention, electric roadways are preferably for highways, highways, long climbs

Federal roads, so installed on long-distance routes.

In local transport, the vehicles go on battery power.

Other advantages of this technique would be that the vehicles are virtually unlimited

Range had, as long as the long-distance routes are electrified.

Furthermore, the batteries could be recharged on the long-distance lines for the subsequent non-electrified Nahverkersabschnitt. Braking and downhill vehicles could return electrical power to the grid.

In order to record the electrical power from the lane can be used grinding or rolling pantograph, preferably made of metal.

According to the aspect of the invention is used electrically conductive tires, characterized in that the supporting fabric (carcass) is electrically conductive and is electrically connected to circumferentially embedded in the tire tread resilient wire pins, or an electrically conductive profile rubber for

Application comes.

The electrical power is isolated from the passenger compartment.

For this purpose, the individual axle parts are isolated from each other.

Targeted is electrical power from the brake discs or hubs or

Drive shafts transmitted via embedded slip rings and brushes in the electrical system.

Alternatively, one can adjust the electrical power via mounted on the car floor horizontally and vertically movable grinding

Transfer pantograph.

The roadway can also accommodate sunken busbars for this purpose.

Alternatively, one can transmit the electrical power via a single or multi-pole electrical catenary characterized by the fact that resilient telescopic pantographs are mounted on the vehicle upper side.

Alternatively, one can transmit the electrical power inductively, characterized in that inductive coils are mounted both in the road and on the car floor. BRIEF DESCRIPTION OF THE DRAWINGS

The above mentioned features, technical and commercial meanings and

Advantages of this invention will become better understood by reading the following detailed description of exemplary embodiments of the invention

Understood, when considered in conjunction with the accompanying drawings, as follows:

Fig. 1 is a schematic diagram showing the arrangement of the required parts according to the invention in plan view.

Fig. Ia elevation with cross section of the electrically conductive roadway and view and section of the vehicle and the tires.

Figure 2 shows above the center line a cross section through the invented

Wheel design.

The representation below the midline shows a view of the invented

Wheel.

3 shows a vehicle with upper and lower pantograph in plan view.

3a shows alternatively a vehicle with a roadway in view and partial cross-section which electrical energy via a busbar and current collector on

Ground, or alternatively electrical energy via a catenary and

Receives pantographs, wherein in each case one or more electrical

Potentials can be transmitted via the tires.

FIG. 4 alternatively shows a vehicle with a roadway in cross-section and view which draws electrical energy via inductive coils on the car underbody 300 and sunk in the roadway 400. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

Below is a vehicle with an electric

Power supply device and the necessary roadway according to the invention described.

Like or corresponding portions are named according to their reference numerals and their repeated description is avoided.

For example, in Fig.l in the upper part of the plan and in the lower part of the view in the direction of travel with partial cross section through the wheels 100 and

Lane 200 shown.

The vehicle has four wheels, for example. These can by means of

Front wheel, Hmterrad-, AlLradantrieb _{O (} j _m jt individual wheel hub motors with

Torque be supplied.

The left wheels 100L as well as the right wheels 100R are supplied with electric power from the road.

The left and the right side comes with different electrical

Supplied potentials.

The drive unit 110 consists of electric motor-generator unit or

Hybrid system each with battery and control unit as well as operating unit.

The different electrical potentials are via electrically conductive

Tires 10 ^ rims 20, brake discs 30, slip rings 40, brushes 50 transferred to the electrical network of the vehicle.

Axles 70 such as suspension parts, steering parts, shock absorbers are separated by insulators electrically from the body.

The tires are made of electrically conductive fabric 11 as in FIG.

This fabric is shaped so that one or more electrically conductive rings 12 or segments are formed on the circumference. But it can also be one or more electrically conductive belt 12a in the

Carcass to be woven.

This belt may, for example, have the structure of a wire brush which transmits electrical power in contact with the electrically conductive roadway.

The rest of the tire is conventional rubber 13 with usual

Tire profile 14 provides and transmits the drive, brake and

Cornering forces.

On the inside and in the intermediate layers, the rubber also has the task of completing the tire interior 15 pressure-tight against the environment.

At the points of contact 16 of the tire on the rim flange 17 conductive tissue must come to the surface in places to ensure electrical contact with the electrically conductive rim.

The roadway 200 is provided with an electrically conductive surface.

This surface is divided into a left 210L and right

Radlaufspur 210R and both sides and in the middle of the same electrically insulating

Roadway parts 200.

It may be DC or AC or alternating pulsating single-phase current.

The Radlaufspuren can for example consist of sheet steel which are electrically isolated from the ground and laterally and are powered by a sunk electrical power cable 240 with measuring and control unit with power.

The Radlaufspuren can also consist of an electrically conductive coating which are applied to the insulating substrate or made of electrically conductive concrete.

The power cables can, for example, be supplied by a ground cable laid parallel to the roadway. Alternatively, one could the vehicle as in Figure 3 with electric

Pantographs are supplied with electrical power.

For this purpose, horizontally pivoting or rotatable, vertically movable contact bars 260 are used. The electrical power is supplied via busbars 250 sunk into the roadway or via an electric overhead line construction 270. One or more electrical phases can thereby be supplied via electrically conductive tires.

3a shows in elevation the roadway and overhead line in section and the

Vehicle in view and partial section.

The contact levers can with mechanical, hydraulic, pneumatic, magnetic or electromagnetic force on the electrically conductive lane or

Busbar be pressed.

Alternatively, one could supply the vehicle as shown in Figure 4, for example, with inductively transmitted electrical power.

For this purpose, the vehicle has one or more on the lower floor

Solenoids.

The roadway is provided in this case with strung together electric coils which are supplied by electrical control units and clocked.

Claims

1. Stromversorgungssy system for an electric or hybrid vehicle comprising electrically conductive tires, rims, hubs, brake discs, slip rings, brushes for the slip rings, insulators for the axle parts such as springs, shock absorbers, Lenklingsteile for electrical Leistungsuπgsversπgung, comprising an electrical control unit, further comprising a electrically conductive roadway, characterized in that the tires have an electrically conductive tissue which at the periphery Make contact with the electrically conductive road and so transmit the electrical power to the vehicle. 2. System for transmitting electric power to a vehicle while driving according to claim 1, wherein the electrically conductive carcass (support layer, fabric) is formed so that it protrudes resiliently above the level of the tire tread. 3. A device for transmitting electrical power according to claim loder 2 wherein the electrical contact is made in the tire by one or more electrically conductive belt. This belt can contain resilient electrically conductive components, such as wire pins or wire brushes. 4. A device for transmitting electric power according to claim 1 to 3 in which the entire tire or at least essential parts of the tire are electrically conductive. 5. A device for transmitting electrical energy according to claim 1 to 4, wherein the seat surface of the tire on the electrically conductive rim is formed so that the current is transmitted via bare areas of the rim. 6. A device for transmitting electrical power according to claim 1 to 4 wherein the power supply is produced by supplying different electrical potentials to the left and right wheels. For this purpose, electrical energy in the form of DC, AC or alternating pulsating single-phase current can be supplied. 7. Device for transmitting electrical power according to claim 1 by which electrical energy is sunk longitudinally displaced in the direction of travel and insulated to the ground steel sheets is transmitted to the electrically conductive tires. These contact tracks can also consist of electrically conductive concrete. The contact lanes are supplied with electrical power by electric power cables. 8. A device for transmitting electric power according to claim 1, wherein an electric potential is transmitted through a sunken into the roadway electrical rail, and the second potential through the electrically conductive lane.

for transmitting electrical power according to claim 1, wherein one or more electrical potentials are provided by one or more poles Stomabnehmer from a submerged in the roadway, or multipolar Busbar are transmitted. 10. A device for transmitting electric power according to claim 1, wherein one or more potentials are picked up from the electrically conductive roadway or sunken busbars, and an electric potential is transmitted from an electric overhead line.