CN109996590A - Coil block and model car with this coil block - Google Patents
Coil block and model car with this coil block Download PDFInfo
- Publication number
- CN109996590A CN109996590A CN201780071224.3A CN201780071224A CN109996590A CN 109996590 A CN109996590 A CN 109996590A CN 201780071224 A CN201780071224 A CN 201780071224A CN 109996590 A CN109996590 A CN 109996590A
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- China
- Prior art keywords
- coil
- extending direction
- substrate
- coil block
- upside
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
- A63H18/12—Electric current supply to toy vehicles through the track
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
- A63H18/16—Control of vehicle drives by interaction between vehicle and track; Control of track elements by vehicles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
- A63H18/10—Highways or trackways for toys; Propulsion by special interaction between vehicle and track with magnetic means for steering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/003—Printed circuit coils
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
- A63H18/08—Highways or trackways for toys; Propulsion by special interaction between vehicle and track with mechanical means for guiding or steering
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H18/00—Highways or trackways for toys; Propulsion by special interaction between vehicle and track
- A63H18/16—Control of vehicle drives by interaction between vehicle and track; Control of track elements by vehicles
- A63H2018/165—Means to improve adhesion of the vehicles on the track, e.g. using magnetic forces
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Toys (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The present invention relates to coil block (22), it has at least one substrate (12) and at least one first coil part (28a) and the second coiler part (28b), wherein, there is the basic configuration extended in planar fashion by the substrate (12) of electrically insulating material manufacture, the substrate (12) has upside and the downside opposite with upside, at least first coil part (28a) and the second coiler part (28b) form coil windings, first coil part (28a) is configured at the upside of substrate (12), and the second coiler part (28b) is configured at the downside of substrate.
Description
Technical field
The present invention relates to coil block and the model car with this coil block.
Background technique
Model car racing track (also being known as guide groove track road or guide groove track) is a kind of technique device, utilizes the technique device
Electric drive model car can be driven in guided manner along lane.
Model car racing track includes following track: the track can be for example grouped by pluggable multiple orbit portions together
It fills.Track can have two lanes, which is respectively provided with for the guide groove of pilot model vehicle and for model
Two bus-tie-ins of electrically driven (operated) electric current supply of vehicle, wherein model vehicle can be moved along corresponding lane.It is located at as a result,
The collector of corresponding model car is contacted with corresponding bus-tie-in, to ensure that electric energy transmits.It is able to use hand held controller
The speed and braking action of corresponding model car are controlled respectively.However, ought for example due to act on the centrifugal force of model car and around
When curve drives, it may occur however that the contact between bus-tie-in and the collector of model car is interrupted, the result is that the electricity to model car drives
Dynamic energy supply is interrupted and model car loses speed.
It can be realized unbroken energy supply by non-contact energy transmission.However, this needs following coil block:
The coil block is simple to manufacture and occupies the structure space of very little, and be configured at model car the coil block formed for
Model car supplies the secondary element or coil of the transformer device of electric energy, and wherein the primary element of transformer device is assigned to rail
Road.
Summary of the invention
Therefore, the purpose of the present invention is to provide a kind of coil groups of structure space for being simple to manufacture and occupying very little
Part.
According to the present invention, which is realized by the coil block of the feature with technical solution 1 of aforementioned type.?
Illustrate Advantageous embodiments of the invention in other technical solutions.
For this purpose, in the coil block of the above-mentioned type, according to the present invention, coil block have at least one substrate with
And at least one first coil part and the second coiler part, wherein had by the substrate of electrically insulating material manufacture with plane side
The basic configuration that formula extends, the substrate have upside and the downside opposite with upside, at least first coil part and the second coil
Part forms coil windings, and first coil portion distribution is placed in upside, and the second coiler part is configured at downside.
This has the advantage of provide a kind of coil of structure space that is particularly compact and occupying very little in this way
Component.In addition, first coil part and the second coiler part by the plane form of the upside or downside that are located at substrate
And the manufacture of coil block is simplified, this is because plane or thick film technology can be used in this purpose.
According to preferred embodiment, base component has FERRITE CORE.As a result, magnetic field is bound and concentrates, to mention
The high efficiency of non-contact energy transmission.
According to another preferred embodiment, base component has first circuit board part and second circuit board part, wherein
The upside of first circuit board part forms the upside of base component, and the downside of second circuit board part forms base component
Downside.Therefore, two circuit board sections can be formed by the circuit board material of economical and easily operation, wherein first coil part
It can be manufactured by etching conductive coating (such as copper coating) with the second coiler part.
According to another preferred embodiment, connecting line extends through first circuit board part and second circuit board part, with
It is electrically connected first coil part with the second coiler part.
According to another preferred embodiment, the upside of FERRITE CORE is configured on the downside of first circuit board part, and
The downside of FERRITE CORE is configured on the upside of second circuit board part.In this manner, it is possible to provide with particularly compact knot
The coil block of configuration formula.
According to another preferred embodiment, other coiler parts form at least three to eight coil windings, particularly,
Its coiler part forms five coil windings.In this manner, it is possible to which providing has especially efficient coil block to guarantee
Especially efficient energy transmission.
In accordance with another preferred embodiment of the present invention, the helical vector of coil block is located substantially on the plane of substrate
It is interior.In this manner, if primary element is or includes the bus-tie-in longitudinally extended on the direction of travel of model vehicle,
Can be realized the secondary element as transformer device coil block and secondary element especially effectively, thus efficient coupling
It closes.
In accordance with another preferred embodiment of the present invention, base component have the first extending direction, the second extending direction and
Third extending direction, the first extending direction extend between two coiler parts, the second extending direction and the first extending direction at
Squarely extend, third extending direction extends at a right angle with the first extending direction and with the second extending direction, wherein coil group
The helical vector of part is substantially upwardly extended in the side of the second extending direction and/or third extending direction.In this manner, this line
Coil assembly can be configured to occupy the structure space of very little in model vehicle.
The invention further relates to the model cars with this coil block.
Detailed description of the invention
Explain the present invention in detail with reference to the accompanying drawings, in the accompanying drawings:
Fig. 1 shows the schematic section of the illustrative embodiments of model car racing track according to the present invention,
Fig. 2 shows the schematic diagram of the transformer device for model car racing track shown in FIG. 1,
Fig. 3 shows the view from the top of first substrate element shown in Fig. 2,
Fig. 4 shows the view from the lower section of the second substrate element shown in Fig. 2,
Fig. 5 shows the working scene of model car racing track shown in FIG. 1,
Fig. 6 shows the first wiring variant of the bus-tie-in of the track with two lanes,
Fig. 7 shows the second wiring variant of the bus-tie-in of the track with two lanes,
Fig. 8 shows the another exemplary embodiment of model car racing track according to the present invention, and middle orbit is provided with use
Bus-tie-in in each lane of track, the track have a plurality of lane.
Specific embodiment
Fig. 1 shows model car racing track 2 (also being known as guide groove track road or guide groove track).
Model car racing track 2 has the track 4 being made of multiple orbit portions that can be plugged in together, in this exemplary embodiment party
In formula, track 4 has two lanes 6a, 6b, and two lanes 6a, 6b are used to model car 10.Fig. 1 only shows a model car
10。
In this illustrative embodiments, track 4 has recess portion (slot) 8a, the 8b for distributing to each lane 6a, 6b, recess portion
8a, 8b are configured between two parties relative to corresponding lane 6a, 6b, and the guidance of the guidance pin of recess portion 8a, 8b and such as model car 10
Element 30 engages, therefore implementation model vehicle 10 (is in this case the guidance of lane 6a) along corresponding lane.
In addition, in this illustrative embodiments, track 4 is respectively provided with each side for being configured at corresponding recess portion 8a, 8b
Two bus-tie-ins 14a, 14b, 14c, 14d, center dant 8a, 8b are assigned to first lane 6a or second lane 6b.First converges
The section of battery plate 14a, 14b and second bus-tie-in 14c, 14d have U shape profile and are pressed into other recess portions in track 4.
Bus-tie-in 14a, 14b, 14c, 14d are respectively formed as single-piece and are formed from the same material.In addition, bus-tie-in 14a,
14b, 14c, 14d are manufactured by magnetic material.In this manner, model car 10 can be by means of interacting with bus-tie-in 14a, 14b
Permanent magnet (not shown) be maintained in the 6a of lane by magnetic force.
As will be discussed later, two bus-tie-ins form for mould (busbar pairs) 14a, 14b or 14c, 14d
Type vehicle 10 carries out the primary element 18 of the transformer device 16 of non-contact energy transmission.
Transformer device 16 for carrying out from non-contact energy transmission to model car 10 further includes distributing to model car 10
Secondary element 20, to couple the electromagnetic field generated by primary element 18.
In this illustrative embodiments, secondary element 20 is coil block 22.
Other than transmitting operation energy, such as in order to accelerate or brake model vehicle 10, additionally it is possible to utilize transformer device
16 transmission of control signals, such as these control signals are modulated to upper frequency, then filter out these controls in model car side
Signal processed.
In addition, referring now to Fig. 2, for simplicity Fig. 2 illustrates only the first lane 6a in two lanes 6a, 6b.
However, following explanation is also similarly applicable for the second lane 6b with recess portion 8b and bus-tie-in 14c and 14d.
Fig. 2 shows recess portion 8a and two bus-tie-ins 14a, 14b to all have in the direction of travel along lane 6a direction
Principal spread direction H, its size is noticeably greater than the size on the direction of other extending directions on principal spread direction.
In addition, Fig. 2 shows coil blocks 22 to have substrate 12.In this illustrative embodiments, substrate 12 has the
One base component 24a and the second substrate element 24b and configuration are between first substrate element 24a and the second substrate element 24b
FERRITE CORE 26.
In this illustrative embodiments, first substrate element 24a and the second substrate element 24b is respectively circuit board.Electricity
Road plate has the basic configuration (being in this illustrative embodiments rectangular basic shape) extended in planar fashion, the fundamental form
Shape is respectively provided with upside and the downside opposite with upside.Circuit board by electrically insulating material and is configured at electrically insulating material respectively
Conductor path is constituted.Fibre reinforced plastics are for example typically used as insulating materials.Such as from the thin copper for being previously applied to insulating materials
The etched conductors path coating (thin coating of copper).
In this illustrative embodiments, the conductor path positioned at the upside of first substrate element 24a forms multiple first
Coiler part 28a, and in this illustrative embodiments, other conductor path shapes positioned at the downside of the second substrate element 24b
At multiple second coiler part 28b.Respectively, a first coil part 28a and a second coiler part 28b are formed together
The coil windings of coil block 20.
For this purpose, setting extends through first substrate element 24a and the connecting line of the second substrate element 24b (does not show
Out), and connecting line makes corresponding first coil part 28a and corresponding second coiler part 28b connection in an electrically conductive way.
Therefore, in this illustrative embodiments, coiler part 28a, 28b forms three coil windings.But it is also possible to be arranged five
To eight coil windings.
In addition, Fig. 2 shows FERRITE COREs 26 to be configured as the downside that its upside is located at first substrate element 24a, and
The downside of FERRITE CORE 26 is configured at the upside of the second substrate element 24b.
FERRITE CORE 26 is the component made of ferrite, the magnetic core intensifier coil component 22 as coil block 22
Inductance or guidance magnetic field.Ferrite is understood to include by iron oxide bloodstone (Fe2O3), magnetic iron ore (Fe3O4) and/or its
The material of poorly conductive made of its metal oxide or dielectric ferrimagnetism ceramic material.Depending on component, iron oxygen
Body is Hard Magnetic or soft magnetism.
There is helical vector S by the coil windings that corresponding first coil part 28a and the second coiler part 28b are formed,
As shown in Figure 1, helical vector S is located substantially in the plane of substrate 12 and illustrates the spiral shell of the coil windings of coil block 22
Rotation construction.
It can also be seen that helical vector S is substantially configured as the principal spread direction H with bus-tie-in 14a, 14b into right angle.
In addition, Fig. 2 shows substrates 12 to have the first extending direction I, the second extending direction II and third extending direction
III。
In this illustrative embodiments, the first extending direction I is in first substrate element 24a and the second substrate element 24b
Between along short transverse Z extend.Second extending direction II prolongs on the direction of helical vector S or with first on width direction Y
Direction I is stretched to extend at a right angle.In addition, third extending direction III is on the direction of principal spread direction H or in depth direction X
It is upper to extend at a right angle with the first extending direction I and the second extending direction II.
In this illustrative embodiments, substrate 12, first substrate element 24a, the second substrate element 24b and ferrite magnetic
Core 26 has on the direction of the second extending direction II and third extending direction III than on the first extending direction I significant respectively
Bigger size.In other words, they are respectively provided with the basic configuration of rectangle, particularly plate shape.
In addition, referring now to Fig. 3 and Fig. 4.
Fig. 3 and Fig. 4 shows first coil part 28a and the second coiler part 28b with elongated shape, i.e., they are in third
Corresponding size on the direction of extending direction III is greater than the corresponding size on the direction of the second extending direction II.In addition, first
Coiler part 28a and the second coiler part 28b and the second extending direction II angularly extends, which is not equal to right angle.?
In this illustrative embodiment, first coil part 28a and the second coiler part 28b and the second extending direction II are at 75 ° to 85 °
Or 95 ° to 110 ° of angle extend.
In this manner, being provided with coil block 22 that is particularly compact and occupying small structure space.In addition, by substrate
12 upside or downside form first coil part 28a and the second coiler part 28b at plane earth respectively, simplify coil block
22 manufacture, this is because plane or thick film technology can be used for this purpose.
It will additionally illustrate the operation of model car racing track 2 referring to Fig. 5, wherein for simplicity, for primary element
18, illustrate only the first bus-tie-in 14a in two bus-tie-ins 14a, 14b of first lane 6a.
In operation, frequency is that the alternating current of 400kHz flows through bus-tie-in 14a.Magnetic field M is formed around bus-tie-in 14a,
Wherein concentric field wire extends around bus-tie-in 14a.The trend (course) of field wire can be illustrated by gyration vector R, wherein
Gyration vector R is upright perpendicular to the plane described by field wire.
Field wire passes through secondary element 20 or coil block 22, and generates voltage by induction in secondary element 20.In
That the voltage incuded in secondary element 20 can be used in the electric drive of supply molding vehicle 10, enable model car 10 by
It is moved on the scheduled direction of travel F of the principal spread direction H of recess portion 8 or bus-tie-in 14a.Therefore, direction of travel F and gyration vector R
It orients with being at substantially right angles to one another.It is substantially understood to mean that in common manufacturing tolerance as a result,.
Thereby, it is possible to the changes of the current strength by the electric current for flowing through bus-tie-in 14a, 14b to realize to model car 10
Speed adjustment.
It is attributed to the non-contact transmission of electric energy, the contact interruption such as occurred in the prior art no longer can cause electric energy to supply
The interruption answered.
Other than first lane 6a shown in FIG. 1, in this illustrative embodiments, it is provided with and is used for the second model car
The second lane 6b of (not shown), second lane 6b have structure identical with first lane 6a.However, in order to as much as possible
Avoid the interference between two model cars 10, be thus avoided as much as the interference of energy transmission, by with first frequency extremely
The electric current of few 1.5 times of high frequencies flows through bus-tie-in 14c, 14d of second lane 6b.In this illustrative embodiments, second
Frequency is 600kHz.
In addition, Fig. 6 and Fig. 7 show two lanes about track 4 in an illustrative manner referring now to Fig. 6 and Fig. 7
The wiring variant of two bus-tie-ins 14a, 14b, 14c, 14d of first lane 6a in 6a, 6b.
Fig. 6 shows the first wiring variant, and wherein the two of first lane 6a bus-tie-in 14a, 14b parallel connection is electrically connected.This
Allow to be made using the double cross-sectional area of conductor of two bus-tie-ins 14a, 14b, allows to apply to bus-tie-in 14a, 14b double
Current strength.
Fig. 7 shows the second wiring variant, and wherein the two of first lane 6a bus-tie-in 14a, 14b is electrically connected in series.Cause
This, two bus-tie-ins 14a, 14b form two-conductor circuit, so that energy transmission efficiency is enhanced.
Referring now to Fig. 8.
This illustrates the track 4' of the second illustrative embodiments, and compared with track 4 shown in FIG. 1, track 4' only has
Two recess portions 8a, 8b are each equipped with the bus-tie-in of another exemplary embodiment in each recess portion in two recess portions 8a, 8b
14a'、14b'。
The bus-tie-in 14b' of second lane 6b is distributed into reference to illustrate the bus-tie-in of property embodiment according to the example
The structure of 14a', 14b'.
Bus-tie-in 14b' has U shape profile, with slot base portion 32 and two flanges 34 extended from slot base portion 32, at this
In illustrative embodiments, two flanges 34 are extended parallel to.What is extended from each flange 34 is tongue piece 36, and tongue piece 36 is in track 4'
Surface plane in extend.
Bus-tie-in 14a', 14b' of property embodiment are respectively formed as single-piece and by identical material shapes according to the example
At.In addition, property embodiment, bus-tie-in 14a', 14b' are manufactured by magnetic material according to the example.In this manner, mould herein
Type vehicle 10 can be also maintained in the 6a of lane by means of the permanent magnet (not shown) to interact with bus-tie-in 14a' by magnetic force.
Particularly, two tongue pieces 36, which provide, to make it possible to use size in model car 10 for the enlarged surface of magneticaction
The magnet reduced, the magnet occupy less structure space.
In addition, two bus-tie-ins 14a', 14b' are assembled in corresponding recess portion/slot 8a, 8b, so that U-shaped bus-tie-in 14a',
14b' is opened in upward direction, and the induction element 30 of such as pin of model car 10 is engaged in U-shaped bus-tie-in 14a',
So as in this way along the lane 6a pilot model vehicle 10 limited by recess portion 8a.Therefore, for each in lane 6a, 6b
Person, track 4' is with the particularly simple structure only with bus-tie-in 14a', a 14b', in this illustrative embodiments
One bus-tie-in 14a', the 14b' are configured between two parties, and wherein bus-tie-in 14a', 14b' is respectively provided with dual function, that is, are used as remittance electricity
Plate and as the guiding groove for model car.
Claims (9)
1. a kind of coil block (22), have at least one substrate (12) and at least one first coil part (28a) and
Second coiler part (28b),
Wherein, there is the basic configuration extended in planar fashion, the substrate by the substrate (12) of electrically insulating material manufacture
(12) there is upside and the downside opposite with the upside,
At least described first coil part (28a) and second coiler part (28b) form coil windings,
The first coil part (28a) is configured at the upside, and second coiler part (28b) is configured at the base
The downside of plate (12).
2. coil block (22) according to claim 1, which is characterized in that the substrate (12) has FERRITE CORE
(26)。
3. coil block (22) according to claim 1 or 2, which is characterized in that the substrate (12) has the first circuit
Plate part and second circuit board part, wherein the upside of the first circuit board part forms the upside of the substrate (12), and
And the downside of the second circuit board part forms the downside of the substrate (12).
4. coil block (22) according to claim 3, which is characterized in that connecting line extends through the first circuit board
Part and the second circuit board part, to make the first coil part (28a) and second coiler part (28b) electricity
Connection.
5. coil block (22) according to claim 3 or 4, which is characterized in that the downside of the first circuit board part
It is configured at the upside of the FERRITE CORE (26), and is configured at the ferrite magnetic on the upside of the second circuit board part
The downside of core (26).
6. the coil block according at least one of preceding claims (22), which is characterized in that other coiler part shapes
At at least three to eight coil windings, particularly, other coiler parts form five coil windings.
7. the coil block according at least one of preceding claims (22), which is characterized in that the coil block
(22) helical vector (S) is located substantially in the plane of the substrate (12).
8. the coil block according at least one of preceding claims (22), which is characterized in that substrate (12) tool
There are the first extending direction (I), the second extending direction (II) and third extending direction (III), first extending direction (I) is in institute
State and extend between first coil part (28a) and second coiler part (28b), second extending direction (II) with it is described
First extending direction (I) extends at a right angle, the third extending direction (III) and first extending direction (I) and with institute
It states the second extending direction (II) to extend at a right angle, wherein the helical vector (S) of the coil block (22) is substantially described
The side of second extending direction (II) and/or the third extending direction (III) upwardly extends.
9. a kind of model car (10), with coil block according to any one of the preceding claims (22).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202016007184.0 | 2016-11-22 | ||
| DE202016007184.0U DE202016007184U1 (en) | 2016-11-22 | 2016-11-22 | Coil assembly and model car with such a coil arrangement |
| PCT/EP2017/001361 WO2018095567A1 (en) | 2016-11-22 | 2017-11-21 | Coil arrangement and model car having such a coil arrangement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109996590A true CN109996590A (en) | 2019-07-09 |
| CN109996590B CN109996590B (en) | 2021-04-16 |
Family
ID=57583962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780071224.3A Active CN109996590B (en) | 2016-11-22 | 2017-11-21 | Coil assembly and model car with same |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20190374867A1 (en) |
| EP (1) | EP3544706B1 (en) |
| CN (1) | CN109996590B (en) |
| DE (1) | DE202016007184U1 (en) |
| WO (1) | WO2018095567A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220231486A1 (en) * | 2021-01-19 | 2022-07-21 | Divergent Technologies, Inc. | Bus bars for printed structural electric battery modules |
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| JP6546371B2 (en) * | 2013-03-14 | 2019-07-17 | 矢崎総業株式会社 | Coil unit and non-contact power feeding device |
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2016
- 2016-11-22 DE DE202016007184.0U patent/DE202016007184U1/en active Active
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2017
- 2017-11-21 US US16/349,076 patent/US20190374867A1/en not_active Abandoned
- 2017-11-21 WO PCT/EP2017/001361 patent/WO2018095567A1/en active Search and Examination
- 2017-11-21 EP EP17807703.8A patent/EP3544706B1/en active Active
- 2017-11-21 CN CN201780071224.3A patent/CN109996590B/en active Active
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| DE10305283A1 (en) * | 2003-02-06 | 2004-08-26 | Strobl, Stefan, Dipl.-Ing. | Toy car racing track layout switches car between tracks by sprung element raised and electro-magnetically held thus until re-lowered into guide groove after car ramp. |
| CN1701398A (en) * | 2003-10-10 | 2005-11-23 | 株式会社村田制作所 | Multilayer coil component and its manufacturing method |
| CN2832254Y (en) * | 2005-10-01 | 2006-11-01 | 潘耀祥 | Magnetically-controlled toy car |
| US20080035748A1 (en) * | 2006-08-10 | 2008-02-14 | Randy Belding | Toy vehicle track |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3544706A1 (en) | 2019-10-02 |
| CN109996590B (en) | 2021-04-16 |
| WO2018095567A1 (en) | 2018-05-31 |
| US20190374867A1 (en) | 2019-12-12 |
| EP3544706B1 (en) | 2020-04-22 |
| DE202016007184U1 (en) | 2016-12-02 |
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