DE102006025458A1 - Arrangement comprises primary conductor system and device arranged with transmitter head along conductor system in moving manner - Google Patents

Abstract

The arrangement has a primary conductor system and a device arranged with a transmitter head along conductor system in a moving manner. A double junction groove is provided in a base, in which the conductor system is movable. A sub frame is provided in the area of the junction, which is connected with the base in force-fit manner. The guide components have the primary conductor for guiding. A bobbin core is guided from ferrite particularly made of multiple ferrite parts. Two or more types of ferrite parts are used inside housing. The housing is implemented as metal, particularly aluminum. An independent claim is also included for a transmitter head for the arrangement.

Description

The The invention relates to a transmitter head and a plant.

From the DE 44 46 779 C2 and WO 92/17929 are known methods and for non-contact energy transmission, in which an inductively weak coupling is present.

From the DE 20209174 U1 a switch arrangement is known in which, before the area of the switch, each of the two laid primary conductors are laid with a loop in such a way that the energy supply is not weakened during passage through the switch. In this case, the carriage comprises an E-shaped core whose center leg is held in the central region between the elongated primary lines.

Of the Invention is therefore the object of a complex system to make producible with little effort.

According to the invention Task at the after the transmitter head according to claim 13 and in the system according to claim 1 or 11 specified characteristics solved.

Important features of the system are that it comprises a primary conductor system and at least one device movably arranged along it with a transmitter head,
the installation comprising at least one intersection of at least two grooves provided in the floor, in which the primary conductor system can be laid,
wherein a lower part is provided in the region of the intersection, which is connected at least non-positively to the ground and comprises guide parts, in particular for guiding the primary conductors.

From The advantage here is that the lower part can be laid quickly and easily is. Furthermore are guides for the Laying the primary conductors provided, which are thus quickly and easily deployable. The lower part is for example clamped in a blind hole in the ground as a positive connection.

In Training is instead of the non-positive connection and a Snap-in usable.

at an advantageous embodiment, the guide parts for deflecting the Direction of a primary conductor provided by about 90 °. The advantage here is that the primary conductors are laid in such a way that In the area of intersections effectively larger effective primary flows can be reached are by the effective primary current effective in two closed loops within the intersection.

at an advantageous embodiment is the frictional connection provided by formed on the lower part of elastic regions. From The advantage here is that the connection in a simple manner fast and inexpensive can be produced.

at an advantageous embodiment is a lid on the lower part cohesively connectable, in particular to the guide parts of the lower part, in particular the cover of the car can be driven over is. The advantage here is that forces when driving over the lid or Entering the lid are derivable via the lower part and its support surfaces to the ground.

at an advantageous embodiment, the lower part has two out outstanding characteristics as management parts on. The advantage here is that the guide parts by mere formations one piece can be produced and thus the lower part as cost-effective quickly manufacturable part is providable.

In an advantageous embodiment, a primary conductor system and at least one device arranged movably therealong comprise a transducer head,
the installation comprising at least one intersection of at least two sections of the primary conductor system, in particular linear sections,
each route comprising at least one section of road in front of the intersection and one section of the route after the intersection,
wherein each route section comprises a forward conductor and a return conductor, in particular a return conductor laid parallel to the forward conductor, as a primary conductor system,
each leader of a link of a first link is routed in the intersection such that it is the return link of a link of another link.

From The advantage here is that by said laying such a Structure is created by the transformer head in the area of Intersection effectively sees two current loops and thus without significant Loss of efficiency continues to supply the consumer. This especially applies to turning the traveling device.

Especially is the first section and the other section at right angles to each other. Thus, a mere left or right turn when laying the primary conductor.

It is particularly important that the forward and return conductors are not provided in both sections of the first route. This is true at least for a single intersection facility. By adding more intersections or points Other conditions are achievable. However, the invention is formulated from the perspective of the immediate vicinity of a junction in a plant. The fact that each section tangent to the intersection may have different connection conditions at its other end remote from the intersection is irrelevant to the invention.

at an advantageous embodiment of the stretch of the first stretch a stretch of track in front of the intersection and the stretch of track the other route a section of track after the intersection. From The advantage here is that the forward of the first section its functionality when passing through the intersection changes and in another section of the route acts, so for example in a staggered by 90 ° section.

at an advantageous embodiment, the transmitter head along a elongated primary conductor, in particular forward conductor and / or return conductor, movably provided. The advantage here is that the transmitter head can be arranged on a cart. They are rail-bound or trackless Arrangements advantageously usable.

at An advantageous embodiment is the laying of Hinleiter and return conductor provided in the junction within a can, in particular a detachable with a lid lockable Can. The advantage here is that the intersection in a protected area can be laid. Furthermore the can is passable with lid be equipped. About that In addition, the box is made of plastic, for example.

at an advantageous embodiment comprises for easy installation the can of guiding means to lead the forward and return conductors. The advantage here is that the installation is easy to carry out and mistakes in routing are preventable.

Important features in the alternative system are that it comprises a primary conductor system for non-contact supply of at least one device arranged movably therealong,
the primary conductor system being laid by means of a system of connection points comprising at least two different variants of connection points,
wherein each connection point comprises a blind bore, in particular a stepped blind bore, and a lower part provided therein, comprising guide parts for guiding the primary conductors.

• – bei einer ersten Variante die Verbindungsstelle als Ausdehnungsstelle, insbesondere zur Kompensation thermischer Ausdehnungen, und/oder
• – bei einer weiteren Variante die Verbindungsstelle als Anschlussstelle, insbesondere zur Anschließen von die Streckeninduktivität kompensierendes Kapazitäten, insbesondere zur Bildung eines Schwingkreises mit einer Resonanzfrequenz, die im Wesentlichen der Mittelfrequenz des Primärstromes entspricht, und/oder
• – bei einer weiteren Variante die Verbindungsstelle als Kreuzung, insbesondere als Kreuzung zweier geradlinig ausgeführten Strecken des Primärleitersystems, und/oder
• – bei einer weiteren Variante die Verbindungsstelle als Kreuzung, wobei die Primärleiter derart verlegt sind, dass im Kreuzungsbereich mindestens zwei effektiv wirksame Stromschleifen entstehen, und/oder
• – bei einer weiteren Variante die Verbindungsstelle als Abschluss einer Strecke des Primärleitersystems, insbesondere umfassend eine Umlenkung eines Hinleiters in einen Rückleiter, und/oder
• – bei einer weiteren Variante die Verbindungsstelle als Übergangsstelle von einem einfachen Streckenbereich zu einem Streckenbereich mit zwei- oder mehrfach effektiv wirksamem Primärstrom,

vorgesehen. Vorteiligerweise sind somit Streckenabschlüsse im Boden verlegbar sowie Anschlüsse für Kompensationselemente. Außerdem sind Bereiche mit höherem effektiv wirksamen Stromwerten realisierbar, beispielsweise für Steigungsbereiche oder andere Bereiche, in denen kurzfristig mehr elektrische Leistung notwendig ist. Außerdem sind Kreuzungen zwischen unabhängigen Strecken realisierbar und zwischen abhängigen Streckenabschnitten, bei denen beispielsweise der Hinleiter des ersten ein Rückleiter des zweiten Streckenabschnittes ist.It is advantageous that the simplest and most cost-effective means a system of joints is created that can perform various functions. Thus, a wide variety of tasks of the track areas can be provided. In particular

• - In a first variant, the connection point as an expansion point, in particular for the compensation of thermal expansions, and / or
• - In another variant, the junction as a connection point, in particular for connecting the line inductance compensating capacitance, in particular for forming a resonant circuit having a resonant frequency which substantially corresponds to the center frequency of the primary current, and / or
• - In another variant, the junction as an intersection, in particular as an intersection of two rectilinear sections of the primary conductor system, and / or
• - In another variant, the junction as an intersection, wherein the primary conductors are laid so that at least two effectively effective current loops arise in the crossing region, and / or
• - In a further variant, the connection point as a conclusion of a route of the primary conductor system, in particular comprising a deflection of a Hinleiters in a return conductor, and / or
• In a further variant, the connection point as a transition point from a simple route area to a route area with two or more effectively effective primary current,

intended. Advantageously, track terminations are thus laid in the ground and connections for compensation elements. In addition, areas with higher effective effective current values are feasible, for example, for slope areas or other areas in which more electrical power is required in the short term. In addition, intersections between independent routes can be realized and between dependent sections of the route, in which, for example, the forward link of the first is a return conductor of the second route section.

All Junctions can be covered with a drive-over lid.

Important Features are the transmitter head, that he is for a system for contactless energy transfer is provided, wherein the coil winding comprises a ribbon cable, which comprises at least two parallel lines, in particular keeps at a distance from each other and / or isolated from each other.

From The advantage here is that a coil winding with many partial windings, which are switchable in series, can be produced without great effort. Because The winding must only be carried out with the ribbon cable. For the Production of part windings is no further effort necessary.

at an advantageous embodiment, the coil winding of two or more ribbon cables running is, with the inside out the ribbon cables in periodic Order are arranged. The advantage here is that a very large number Partial windings can be produced with little effort. Besides, they are the adjacent lines of a flat band axially adjacent to each other. However, the adjacent lines of two lines are different Ribbon cables are radially next to each other vorsehbar. Thus occur between adjacent partial windings only small voltages.

at According to an advantageous embodiment, the cables are stranded conductors are, their individual stranded wires isolated against each other. The advantage here is that the skin effect is reduced.

at In an advantageous embodiment, each line is a partial winding provided the entire coil winding. The advantage here is that the cables are combined in a ribbon cable and thus the coil winding, comprising all part windings, quickly and easily can be produced.

at An advantageous embodiment is a pick-up head for a system for contactless energy transfer provided, the housing of the transmitter head a secondary coil velvet whose coil core surrounds and capacitors to form a electrically connected to the coil capacity.

From The advantage here is that the transmitter head as a unit is mountable and a common cooling of the Components is providable. Besides that is only one case for all Components necessary and these are compact and can be arranged isolable. Another significant advantage is also that the occurring huge Voltages, in particular in the case of the series resonant circuit, or large currents, in particular in the case of Parallel resonant circuit, are easily manageable and avoided will be long electrical lines between the inductor and the capacity to relocate, which would be costly and expensive and increased emissions and losses would result. In addition, will to the consumer only a connecting line provided, the Load current and the consumer voltage must be transmitted. Higher currents or Voltages only within or because of the parallel or serial resonant circuit occur, stay spatially within the transmitter head. Thus, the associated technical Means, such as busbars for Heavy current and / or high voltage insulation, inside the transmitter head, So on spatial arranged in a narrow area. Thus, the funds are compact executable.

Besides that is the housing of the transmitter head for insulation and as protection against contact with usable. Furthermore, the wiring, so the electrical Connections and connection points, with the exception of the connecting cable foreseeable on this spatially narrow area.

at an advantageous embodiment, at least one in the transmitter head inductance and capacity as a resonant circuit, in particular parallel or series resonant circuit, provided, wherein the resonant frequency of the center frequency of the primary current in Essentially corresponds. The advantage here is that the electromagnetic Radiations and the effort for electrical connections can be reduced.

at an advantageous embodiment, the housing is composed of housing parts, in particular tight, detachable connectable and / or in high degree of protection. The advantage here is that the transmitter head even in humid or wet environment or even water environment can be used. By potting compound within the transfer drop let yourself an even higher one To achieve tightness and better mechanical stability.

at In an advantageous embodiment, the coil core is made of ferrite executed in particular composed of a plurality of ferrite parts is, in particular equal ferrite parts. It is advantageous that different coil cores from always the same parts produced are. So it is a whole series of coil cores or according to transmitter heads produced, only one or a few varieties of parts need to be stored. The thus high achievable variance within such a kit needed nevertheless only a small storage volume and correspondingly low Effort and cost requirements.

at an advantageous embodiment are one, two or more varieties of ferrite parts used within the housing. It is advantageous that a high variance in the kit can be produced with little effort is.

at In an advantageous embodiment, the transmitter head comprises an electrical Connection to a consumer, which from the transmitter head can be supplied with energy. The advantage here is that only one single connection line to the outside to the consumer necessary is. Thus, the further necessary connection means and connections within the transmitter head providable and protectable with the potting compound and / or the housing, isolable and mechanically fixable.

In an advantageous embodiment, capacitors are on at least one circuit board ordered, the interconnects are electrically connected to the secondary coil. The advantage here is that the compounds can be produced in a simple and cost-effective manner.

at an advantageous embodiment surround the coil winding or Coil windings the coil core and on the outer surface of the Coil are provided ferrite plates. The advantage here is that a reduction of the stray field and thus an improvement of the Efficiency is achievable.

In an advantageous embodiment of the coil core is U-shaped, C-shaped or E-shaped, in particular with widened at its end legs of the U, E or C. It is advantageous that the invention in different executable coil cores and thus at various types of arrangement of the primary conductors, as exemplified in the DE 44 46 779 C2 and WO 92/17929 are applicable. In the former, a forward conductor is provided approximately inside the U. In the case of an E-shaped core, a return conductor can be provided in the region of the first two legs and a return conductor can be provided in the region of the last two legs.

at an advantageous embodiment is between circuit board and Coil core provided an insulating body. The advantage here is that a spatially very compact arrangement executable is.

at According to an advantageous embodiment, the secondary coil is composed of partial windings, which each with an associated Capacity as Series resonant circuit executed are, wherein the resonant frequency of the center frequency of the primary current essentially corresponds. The advantage here is that in the Series resonant circuit, the voltages occurring can be reduced in comparison to the execution of the transmitter head with only a single inductance and a single capacitance. At analog execution with parallel resonant circuit consisting of parallel resonant circuits from respective partial windings and associated, correspondingly coordinated capacities is composed, can be correspondingly reduce currents.

at According to an advantageous embodiment, the transmitter head comprises a series circuit the series resonant circuits comprising respective partial winding and respectively associated Capacity. The advantage here is that the voltages occurring within the transmitter head are reducible and thus a simpler insulation is executable.

at According to an advantageous embodiment, the transmitter head comprises a series circuit the series resonant circuits, comprising part winding and respective associated capacity. Advantageous is in the process of being in the transmitter head occurring voltages, in particular at the winding taps, are small durable.

at In an advantageous embodiment, the coil winding is a flat winding executed. The advantage here is that the transmitter head particularly compact executable is.

at According to an advantageous embodiment, the housing is a metal, in particular Aluminum, executed. The advantage here is that stray fields or eddy current losses are low durable. Furthermore becomes the heat dissipation improves, so distributed the heat generated by the coil faster on the housing and thus reduces the peak temperature at the housing. The metal causes further improvement of the shield from the transmitter head leaking magnetic stray fields. Thus, even an assembly of the transmitter head on steel allows.

at An advantageous embodiment is in the interior of the transmitter head Potting compound provided. The advantage here is that electrical Insulation, mechanical holding force, stability against vibration tendency and the heat dissipation can be improved on the environment.

at According to an advantageous embodiment, the coil winding comprises stranded flat strip, the individual stranded wires isolated from each other, in particular a spiral or rectangular spiral wound ribbon. The advantage here is that HF strand is available at low cost and the effects of the skin effect are reducible. Consequently are also at frequencies of alternating current between 10 and 100 kHz high efficiencies achievable.

at an advantageous embodiment, each sub-winding is an associated capacity connected in series, which in turn another part winding is connected in series, the partial windings in spatial Arranged close to are, in particular adjacent. The advantage here is that spatially adjacent Partial windings have a small voltage difference to each other. Thus, the requirements for isolation distance between these adjacent ones Partial windings low.

In an advantageous embodiment, each sub-winding an associated capacitance is connected in series, which in turn is followed by another sub-winding in series, wherein the first sub-winding is associated with a first ribbon cable and the other sub-winding another ribbon cable. The advantage here is that the two ribbon cables are wound together to form the coil. In addition, every flat band has cable an end and a beginning. The advantage here is that a plurality of partial windings can be connected quickly and easily with a large number of capacitances and these in turn can be connected to a multiplicity of further partial windings, by guiding one end of the first and one beginning of the other ribbon cable onto a printed circuit board and electrically connecting it. Thus, an extensive series connection of a variety of inductances and capacities can be produced quickly and easily.

Important Features of the system are that a prescribed transformer head is provided movable along an elongated primary conductor. The advantage here is that a particularly compact system providable in which a primary conductor system can be fed from an infeed, from the movably arranged consumer contactlessly via a weak inductive Coupling, so big too Air gap, can be supplied.

at an advantageous embodiment, the transmitter head along a elongated primary conductor movably provided. The advantage here is that energy to one movably arranged consumer is transferable, so for example an electric drive of a vehicle.

at an advantageous embodiment, the primary conductor in the direction of the axis of the coil winding a distance from the bobbin on, which is smaller than the distance between two legs of the spool core to each other. The advantage here is that a high efficiency can be achieved is, though the primary conductor are arranged in a first plane, for example, laid in the ground are, and the transmitter head over this Plain undisturbed is movable.

at An advantageous embodiment is a section of the spool core so E-shaped, that one middle thigh and two outer thighs on in one plane arranged back parts is provided, in particular wherein the normal direction of the cutting plane extends in the direction of the elongated primary conductor. From The advantage here is that the primary conductor each in the area between the outer and Middle leg can be provided, although the primary conductor has a distance from the legs and the distance between Primary conductor and the part connecting the legs is larger than each leg length. at an E-shaped Spool core is the part of the back part of the E.

Further Advantages emerge from the subclaims.

1

casing

5

circuit board

6

capacitors

7

poetry

8th

housing plate

10

connecting cable

11

ferrite

12

ferrite

13

ferrite

14

ferrite

15

ferrite

20

winding made of stranded ribbon

21

lateral ferrite

22

primary line

31

primary conductor

32

primary conductor

33

primary conductor

34

primary conductor

40

cover

41

can

51

lower part

52

recess for cable ties

53

guide part

54

tongues

60

ground

61

Plastic profile

62

Primary conductor, like lead or return conductor

63

cover

64

groove

70

go conductor

71

return conductor

90

primary conductor

91

primary conductor

100

primary conductor

101

primary conductor

The invention will now be explained in more detail with reference to figures:
In the 1a is a transformer head in plan view, in 1b on average in 1c in oblique view and in 1d drawn in exploded view.

there it is a so-called transmitter head, the example attachable to a consumer. The consumer is along a primary conductor movably arranged, wherein from a feed in the primary conductor a medium-frequency alternating current is impressed. The feed is preferred designed as a power source, Preferably, the center frequency is between 10 and 100 kHz.

In the transformer head, the associated secondary winding, which is inductively coupled to the primary conductor, is provided. The coupling is weak, so over a large air gap executed. But nevertheless high efficiency in the contactless transmission of electrical power From the primary conductor system to the secondary coil, the secondary coil is connected to a capacitor in series such that the associated resonant circuit has a resonant frequency which substantially corresponds to the center frequency.

The transmitter head has a housing 1 on, which is preferably made of metal, such as aluminum. This surrounds the substantially E-shaped coil core and the surrounding secondary winding 16 , The coil core is composed of ferrite plates and ferrite parts. The approximate shape of the coil core can be described as E, whose center leg is not broadened. However, the outer two legs are widened at their end by ferrite plates 11 are placed at the end of the thighs. The outer legs are made of ferrite parts 12 executed. The middle leg is made by two ferrite parts 14 and a ferrite plate provided thereon.

At the lateral end of the housing 1 are on the inside ferrite plates 21 attached, which are provided to reduce the stray fields and further improves the efficiency.

The whole arrangement of ferrite cores, ferrite parts and winding is inside the housing 1 intended. Between those with capacitors 6 equipped printed circuit boards 5 an insulation is provided, which is not shown in the figure. On the circuit boards 5 are capacitors 6 provided, which form said capacitance, which is connected in series with the inductance of the secondary coil.

there are provided according to the figures, several circuit board inside. In particular, these are arranged parallel to each other. Advantageous It has been proven, along two inner sides each two printed circuit boards to arrange, the capacitors are arranged facing away from each other.

By means of the seal 7 is a housing plate using screws on the housing 1 screwed on and tightly connectable. The interior is previously potted with potting compound, whereby the heat conduction and insulation can be improved.

At the housing 1 is also a passage of the connection line 10 intended. Thus, a consumer, such as electric motor or electronic circuit, can be supplied.

Of the on average E-shaped Coil core is made of a variety of small ferrite plates and ferrite parts composed. Thus, the production of various geometric Dimensions and shapes simple, inexpensive and fast.

at further embodiments of the invention is the capacity executed in parallel instead of in series to the inductance of the secondary coil.

The Winding is made of Hf strand, so from strand, whose mutually touching individual wires are electrically isolated from each other. Thus, the losses reduced.

Besides that is the strand is designed as a flat band. Thus, a high efficiency in a compact space range achievable.

The Winding is a flat winding, so as a plane concentric winding executed. It goes the winding is rectangular-spiral. This means, the winding wire becomes approx Rectangular shape wrapped in a plane. Thus, space is saved.

The aluminum casing reduces the losses and thus improves the efficiency of the Investment.

The primary conductor system comprises at least one elongate conductor and return conductors belonging to a closed loop of the primary conductor system. Both are outside the transfer drop, ie in particular outside the E-shaped coil core. The two conductors are in the direction of the longer side of the rectangular transformer head 1a laid. The transmitter head is guided with a conscience distance in the line direction along these conductors. The transmitter head is assigned to a rail-bound car or a carriage without rail tie. In the latter case, it has proven to be advantageous to equip the car with a tracking antenna, which is able to guide the car in the line direction.

Seen in plan view, ie in the viewing direction according to 1a , the forward conductor is provided between the middle leg and an outer leg of the E-shaped spool core. The return conductor is provided between the middle leg and the other outer leg of the E-shaped spool core. As already mentioned, however, a distance is provided in the direction of sight between the coil core and the forward conductor and return conductor. However, this distance is smaller than the leg distance, ie the distance from the middle to the outer leg of E.

In further embodiments according to the invention, winding of the secondary coil is composed of partial windings, wherein each partial winding is followed by a capacitor in series for reducing the peak voltage occurring at the secondary coil terminals, thus also in the connection line 10 , Thus, the secondary current flows through the first partial winding and then into the associated first capacitance. Thereafter, it flows over the second sub-winding and then into the associated second capacity. This will continue until the last capacity. Each inductor and the associated capacitance are dimensioned such that the associated resonant frequency substantially corresponds to the center frequency. The printed circuit boards are particularly well suited to carry out the connections between the partial windings and the capacitors in a simple and cost-effective manner. Each partial winding is a flat winding.

at further embodiments of the invention is one of the capacities or the capacity by series and / or parallel connection of several capacitors realized.

at further embodiments of the invention is instead of the substantially E-shaped spool core also a U-shaped or a C-shaped one or a differently shaped ferrite core usable.

As in 2 shown, in further embodiments of the invention, the coil winding is made of a flat ribbon, wherein the flat strip comprises six juxtaposed stranded conductors. In addition, the flat strip is wound together with another flat strip, which also comprises six juxtaposed stranded wires, together. The two flat strips are thus stacked on one another, so to speak, that after the winding from the inside to the outside, the two flat strips are provided in alternating order.

In the 2a is a section of a plant with crossing shown. So four straight sections meet at the intersection, each section of two parallel elongated primary conductors 22 , where a first is a forward conductor and a second is a return conductor.

The car with its transmitter head with housing 1 moves in the direction indicated to the intersection.

In 2 B is shown turning the car in the area of the intersection. In this case, only occurs to no significant reduction in the efficiency of the contactless energy transfer in comparison to the efficiency on the sections. For while turning even higher effective primary currents in one half of the transducer head are effective, as in 3c is removable.

In 2c is a drive away from the intersection in the direction indicated.

In 3a is the intersection with a lid 40 covered. In the 3b is the condition of the crossing with the cover removed 40 seen. Here is a can in the intersection 41 intended.

The cable management is the 3c removable. In doing so, the primary conductor leads 31 the current as a forward in the first straight section and goes in a left turn of 90 ° in the second straight section, where it acts as a return conductor.

Analog lead the primary conductor 32 . 33 . 34 the current as a forward conductor in the second, third and fourth straight section and go in a respective left turn of 90 ° in the corresponding straight sections, where they each act as a return conductor.

Seen from above, like 3c shows, the current effectively flows as a circulating current within the intersection. In addition, the same stream still flows as a square within the intersection.

Consequently is during the rotation of the faster rotating half of the transmitter head a double Primary current to disposal posed. Because of the primary stream effective current seems to flow in both loops, namely the Circular loop and the square loop. Even if so slowly turning half of the transfer drop less power is allocated and effectively effective, nevertheless essentially the energy transfer without significant change the efficiencies continue.

For production, a first groove and a groove running perpendicular thereto are provided in the bottom of the plant. At the resulting intersection becomes a can 41 used after laying the primary line with a lid 40 is closed. Lid and box are made of plastic. The box is designed in further embodiments of the invention such that guides are provided for the primary conductor to be inserted. Thus, the laying of the primary lines is fast, easy and with high accuracy executable. Since the can is made round, it is very easy to insert in the intersection, for example, such that the four corners of the intersection groove touch the can on its outer circumference.

In the 5a and 5b a further embodiment of the invention is shown, in which, however, the can through a lower part 51 is replaced. This lower part is provided in the intersection. An associated lid 63 is in two different oblique views in the 4a and 4b shown. When manufacturing the system, the grooves of the respective sections are provided in the ground, for example, milled. At the intersection of the two routes, a respective intersection is created. In the middle of the intersection, a blind hole is subsequently introduced into the ground. After that, the lower part 51 used in the crossing, with the tongues 54 are elastically deformable and thus a non-positive connection of the lower part 51 reached with the edge of the blind hole. Then the primary conductors are inserted. Here are the guide parts 53 suitable for forming the primary conductors. The guide parts 53 are preferably shaped so that they make it possible to deflect the direction of the primary conductor by about 90 °. For this they are round shaped at their outer edge. At the bottom 51 are also recesses 52 intended for cable ties. Thus, the primary conductors are also form-fitting fastened to the lower part 51 , The lid 63 is placed on the area of the crossing and sticking with the guide parts 53 connected. Thus, when driving over the lid, a support on the guide parts 53 available. The forces occurring are also on the resting on the floor tabs 55 derived. Against lateral slipping the adhesive connection is advantageously providable.

Preferably, the guide parts 53 formed on round and formed and arranged within a diameter which is smaller than the distance between Hinleiter and return conductor of the same section.

Another embodiment of the invention is in the 6 shown. In this case, for the Hinleiter and for the return conductor of two sections each have a separate groove in the ground 60 milled. The third section comprises a groove for a forward conductor and a return conductor. The ladder are each in a plastic profile 61 provided, which is insulating and is latchable in the ground. During assembly, the ladder is first in the profile 61 inserted. Thereafter, the profile is inserted together with the conductor in the groove and engaged with the locking lugs of the profile in the groove.

In the intersection, a first large-diameter blind hole bore is provided and another substantially concentric blind hole bore of smaller diameter. The lower part is thus insertable into this hole and lies with tabs 55 on the edge of the smaller hole. The primary conductors 62 such as lead or return conductors are provided along the track in separate slots. For connection of electronic components, such as components for compensation of the track inductance, a lead out of lines from the range of the route by means of the groove 64 executed, wherein the associated Hinleiter and return conductors are laid in the normal direction of the floor vanishing distance. Analogously to 6 is also an intersection of two routes buildable. This then corresponds to the structure 3c ,

Instead of decoupling a line pair for line compensation to 6 or a crossing after 3c Further uses of the lower part in a bore are providable. For example, the lower part is also usable for track completion. In this case, the coming out of the section Hinleiter is deflected by 180 ° on the guide part and returned as the return conductor of the route parallel to the forward accordingly to the beginning of the route.

As in 7 In addition, expansion points to compensate for thermal expansion within the primary conductor system are also easy and quick and easy to produce. This is the leader 70 and the return conductor 71 a route at the bottom passed straight through. For thermal expansion is thus by means of blind hole in the ground 60 a space area for receiving these expansions exists. The lid 63 is in turn provided in the same way traversable.

As in 8th In addition, even simple crossing areas are easy and quick and easy to produce. This is the leader 32 and the return conductor 31 rectilinear performed by the Beriech the blind hole at the bottom over. Likewise is the leader 33 and the return conductor 34 straight through the blind hole area on the lower part. However, a lower efficiency of non-contact power transmission is present if a passing vehicle with transformer head changes direction in the area of the intersection, that is, performs a rotation.

As in 9 In addition, also duplications of the primary lines are easy and fast and easy to produce. This in turn is the coming out of the way forward 90 deflected by 180 ° at the lower part and parallel as a return conductor 90 returned to a second blind hole in the ground, in which another lower part is provided, on which this head 90 in turn is deflected by 180 ° and thus without distance in the normal direction of the ground parallel to said Hinleiter 90 as a leader 90 is relocated. The return conductor 91 On the other hand, it is essentially straight, ie in particular without the aforementioned 180 ° deflections. Thus, a doubling of the primary conductor can be carried out in a section section area between the first and second lower part. The transformer head is therefore therefore providable to increased energy transfer. Thus, for example, in a route with slope increased power transferable.

In a further embodiment of the invention, the return conductor 91 analogous to the forward 90 to 9 laid, so with the two 180 ° deflection. In this way, even a distance between the two blind holes of effectively four times effective primary current then arises.

As in 10 In addition, also end portions of the primary conductor system are easy and quick and easy to produce. This is a first route with the primary conductor 100 and a second route with the primary conductor 101 executed. The end of each route is a 180 ° deflection on the guide part 53 executed. Thus, the leader becomes 100 before the deflection of the return conductors 100 after the diversion.

In a further embodiment according to the invention according to 11 is a crossing according to the principle of 3a to 3d executed, although no can but the lower part 51 is used, which is provided in the large blind hole, in the bottom of a further remote concentric small blind hole is provided.

Thus, the invention also includes a system that is executed with a system of blind holes, which in each variant according to the 6 to 11 are executed. The primary conductor system is thus laid by means of a system of joints, which are designed in several different variants - according to the 6 to 11 , Common to all joints is that they include the remote blind hole, a base for this and a lid for this.

The each same blind hole and the same bottom part are therefore predictable in various uses. Here is the particular use characterized by the number, type and direction of the blind hole primary conductor leading into it Grooves and by the method of laying the primary conductor within the respective blind hole, So connection point.

Claims (34)

Plant comprising a primary conductor system and at least a device arranged movably therealong with a transmitter head, in which the plant at least one intersection of at least two provided in the ground Includes grooves in which the primary conductor system can be laid, in which in the area of the crossing a lower part is provided, the at least force fit is connected to the ground and comprises guide parts, in particular to the leadership the primary conductor. Plant according to at least one of the preceding Claims, characterized in that the guide parts for deflecting the Direction of a primary conductor provided by about 90 ° are. Plant according to at least one of the preceding Claims, characterized in that the frictional connection through the lower part molded elastic regions is provided. Plant according to at least one of the preceding Claims, characterized in that a lid cohesively connectable to the lower part is, especially on the leadership parts of the lower part, in particular wherein the lid of the car overridden is. Plant according to at least one of the preceding Claims, characterized in that the lower part two outstanding features as guide parts having. Plant according to at least one of the preceding Claims, thereby marked that the grooves of respective stretches of the Primary conductor system especially linear routes, are included, each one At least one stretch of track before the intersection and one Includes section after crossing, each section of track a forward and a return, in particular a return conductor laid parallel to the lead conductor, as a primary conductor system includes, every leader of a stretch of a first Route so misplaced in the intersection that he returns a section of another route. Plant according to at least one of the preceding Claims, characterized in that the stretch of the first stretch a stretch of road in front of the intersection and the stretch of road the other route is a section of track after the intersection Plant according to at least one of the preceding Claims, characterized in that the transmitter head along a elongated primary conductor, in particular forward conductor and / or return conductor, movably provided is. Plant according to at least one of the preceding Claims, characterized in that the primary conductors in the direction of the axis the coil winding have a distance from the bobbin, the smaller is the distance between two legs of the spool to each other. Plant according to at least one of the preceding Claims, characterized in that a section of the spool core such E shape is that one middle thigh and two outer thighs on in one plane arranged back parts is provided, in particular wherein the normal direction of the cutting plane extends in the direction of the elongated primary conductor. Plant comprising a non-contact primary conductor system Supplying at least one device movably arranged along it, in which the primary conductor system by means of a system of junctions, which comprises at least two different variants of joints, in which each joint a blind hole, in particular a remote Blind hole, and a lower part provided therein, comprising guide parts to the leadership the primary conductor, includes. Plant according to claim 11, characterized, that - at a first variant, the connection point as an expansion point, in particular for the compensation of thermal expansions, and / or - at a another variant, the connection point as a connection point, in particular to connect the track inductance compensating capacity, in particular for the formation of a resonant circuit with a resonant frequency, which substantially corresponds to the center frequency of the primary current, and / or - at a Another variant, the junction as an intersection, in particular as the intersection of two rectilinear sections of the primary conductor system, and or - at another variant, the junction as an intersection, wherein the primary conductors are laid in such a way that at least two effectively in the crossing area effective current loops arise, and / or - at a another variant, the junction as the conclusion of a route of the primary conductor system, in particular comprising a deflection of a Hinleiters in a return conductor, and or - at another variant, the junction as a transition point from a simple track area to a track area with two or more effectively effective primary current, is provided. transmission head for one Plant for contactless Power transmission, characterized in that a coil winding, in particular to a primary conductor system inductively coupled secondary coil winding, at least one ribbon cable comprising at least two parallel guided lines includes, in particular at a distance from each other holds and / or isolated from each other. transmission head according to at least one of the preceding claims, characterized that the coil winding is made of two or more ribbon cables, being inside out the ribbon cables are arranged alternately in periodic order are. transmission head according to at least one of the preceding claims, characterized that the cables are stranded wires whose individual stranded wires are mutually opposed are isolated. transmission head according to at least one of the preceding claims, characterized that each line is provided as a partial winding of the entire coil winding is. transmission head according to at least one of the preceding claims, characterized that the case the transmitter head a secondary coil velvet whose coil core surrounds and capacitors to form a electrically connected to the coil capacity, transmission head according to at least one of the preceding claims, characterized that in the transmitter head at least one inductance and capacity as a resonant circuit, in particular parallel or series resonant circuit, are provided, wherein the resonance frequency of the center frequency of the primary current essentially corresponds. transmission head according to at least one of the preceding claims, characterized that the case from housing parts is composed, in particular tight, detachably connectable and / or in high degree of protection. transmission head according to at least one of the preceding claims, characterized that the coil core is made of ferrite, in particular of a Variety of ferrite parts is composed, in particular the same Ferrite parts. transmission head according to at least one of the preceding claims, characterized that one, two or more types of ferrite parts are used inside the case, in particular adhesively bonded ferrite parts. transmission head according to at least one of the preceding claims, characterized that the transmitter head an electrical connection to a consumer, which comprises the transmitter head can be supplied with energy. transmission head according to at least one of the preceding claims, characterized that capacitors are arranged on at least one circuit board are, whose tracks are electrically connected to the secondary coil are. transmission head according to at least one of the preceding claims, characterized the coil winding or coil windings surround the coil core and on the outer surface of the Coil ferrite plates provided to reduce the stray field are. transmission head according to at least one of the preceding claims, characterized that the coil core is U-shaped, C-shaped or E-shaped accomplished is, especially with widened at the end thighs of the U, E or C. transmission head according to at least one of the preceding claims, characterized that provided between printed circuit boards and / or coil core insulator are. transmission head according to at least one of the preceding claims, characterized that the secondary coil is composed of partial windings, each with a associated capacity are designed as a series resonant circuit, wherein the resonant frequency of the center frequency of the primary stream essentially corresponds. transmission head according to at least one of the preceding claims, characterized that the transmitter head a series connection of the series resonant circuits comprising partial winding and respectively associated Capacity, includes. transmission head according to at least one of the preceding claims, characterized that the coil winding is designed as a flat winding. transmission head according to at least one of the preceding claims, characterized that the case as a metal, in particular aluminum, is executed. transmission head according to at least one of the preceding claims, characterized that inside the transmitter head Potting compound is provided. transmission head according to at least one of the preceding claims, characterized in that the coil winding comprises strands-flat band, the individual ones stranded wires isolated from each other, in particular a spiral or rectangular spiral wound ribbon. transmission head according to at least one of the preceding claims, characterized each sub-winding has an associated capacitance connected in series, which in turn is followed by another sub-winding in series is, wherein the partial windings are arranged in close proximity, in particular adjacent. transmission head according to at least one of the preceding claims, characterized each sub-winding has an associated capacitance connected in series, which in turn is followed by another sub-winding in series is, wherein the first partial winding a first ribbon cable and the other part winding assigned to another ribbon cable is.