DE102019107493A1 - Charging arrangement for charging a battery of an electrically operated motorcycle, motorcycle and vehicle stand for a motorcycle - Google Patents

Abstract

The invention relates to a charging arrangement (1) for charging a battery (2) of an electrically operated motorcycle (3), with a primary coil (4) external to the vehicle, by means of which electrical energy can be provided for inductive energy transmission, and with a vehicle-side secondary coil (5) , to which the electrical energy provided by the primary coil (4) can be transmitted and provided for the battery (2) of the motorcycle (3), the secondary coil (5) having a base (7) on an underside (6) of the motorcycle (3) ) is arranged facing and for a parallel alignment of the coils (4, 5) relative to one another at least one of the coils (4, 5) is displaceable in its position relative to the other coil (5, 4).

Description

The invention relates to a charging arrangement for charging a battery of an electrically operated motorcycle, a motorcycle and a vehicle stand for a motorcycle according to the preambles of the independent claims.

From the WO 2010/131983 A1 a vehicle stand for an electric bicycle is already known. The vehicle stand can be pivoted between a first position in which a connecting element is arranged such that the electric bicycle is not held by means of the connecting element and a second position in which the connecting element is arranged such that the electric bicycle can be held. The connecting element comprises a coil by means of which a magnetic field can be provided for inductive charging of the electric bicycle.

In addition, from the EP 0 902 523 A1 a battery charging system is known by means of which a battery of an electrically operated motor vehicle is to be charged. If the electrically operated vehicle is an electric bicycle, the battery charging system can comprise a primary coil arranged on a floor and a secondary coil arranged on a bicycle stand of the vehicle. A magnetic field can be provided by means of the primary coil, via which the bicycle can receive electrical energy by means of the secondary coil.

In addition, from the WO 2012/072167 A1 a vehicle with an energy storage device is known, wherein a stand is arranged on the vehicle which has a secondary winding from which energy can be supplied to the energy storage device of the vehicle.

The object of the present invention is to create a charging arrangement for charging a battery of an electrically operated motorcycle, a motorcycle and a vehicle stand for a motorcycle, in which a stray magnetic field can be kept particularly small when a secondary coil is arranged on an underside of the motorcycle.

According to the invention, this object is achieved by a charging arrangement for charging a battery of an electrically operated motorcycle, a motorcycle and a vehicle stand for a motorcycle having the features of the independent claims. Advantageous embodiments of the invention are the subject of the dependent claims and the description.

A first aspect of the invention relates to a charging arrangement for charging a battery of an electrically operated motorcycle. The charging arrangement comprises a primary coil external to the vehicle, by means of which electrical energy can be provided for inductive energy transmission. In addition, the charging arrangement comprises a vehicle-side secondary coil to which the electrical energy provided by the primary coil can be transmitted and by means of which the electrical energy for the battery of the motorcycle can be provided. This means that by means of the charging arrangement, electrical energy can be transferred from the vehicle-external primary coil to the vehicle-side secondary coil via induction in order to charge the motorcycle's battery by means of the electrical energy received via the secondary coil. The motorcycle has in particular an electric drive, by means of which the motorcycle can be driven electrically via the electrical energy from the battery. In order to be able to keep a magnetic stray field particularly low during inductive charging of the electrically operated motorcycle, it is provided according to the invention that the secondary coil is arranged on an underside of the motorcycle facing a floor and, for parallel alignment of the coils relative to one another, at least one of the coils is in its relative position is displaceable to the other coil. In particular, the secondary coil is arranged on a frame of the motorcycle on a side facing the floor on which the motorcycle is arranged. The secondary coil of the motorcycle is thus arranged particularly close to the ground and facing the ground on the motorcycle. The primary coil external to the vehicle is arranged on the floor, a distance between the secondary coil and the primary coil being particularly small due to the arrangement of the secondary coil on the motorcycle on the underside. In order to be able to compensate for any inclined alignment of the secondary coil with respect to the primary coil, particularly when the motorcycle is inclined relative to the ground, at least one of the coils can be displaced relative to the other coil. In order to displace at least one of the coils in its position relative to the other coil, the at least one coil can be pivoted about a pivot axis. This pivot axis lies in particular in a plane extending parallel to the ground and / or in a plane extending through the vehicle longitudinal direction and the vehicle transverse direction of the motorcycle. The displaceable configuration of at least one of the coils enables the coils to be aligned at least essentially parallel to one another, at least for inductive energy transmission. If the secondary coil is aligned parallel to the primary coil, a magnetic stray field between the primary coil and the secondary coil is particularly small.

In order to further reduce the stray magnetic field between the primary coil and the secondary coil, an areal contact between the secondary coil and the the primary coil. Here, at least one of the coils can be aligned in its relative position relative to the other coil in such a way that the primary coil and the secondary coil are placed flat against one another. As an alternative to the two-dimensional contact of the coils, the coils can be spaced apart from one another after their parallel alignment and in particular separated by an air gap.

In a further development of the invention, it has been shown to be advantageous if the secondary coil is coupled to a side stand of the motorcycle via a mechanical and / or electrical coupling device, by means of which the secondary coil when the side stand is adjusted between a side stand stowed position and a side stand position of use around the vehicle's longitudinal axis Motorcycle is foldable. This means that for parallel alignment of the coils relative to one another, at least the secondary coil can be displaced in its position relative to the primary coil. The secondary coil can be folded for parallel alignment around the vehicle's longitudinal axis of the motorcycle. The folding of the secondary coil about the vehicle's longitudinal axis of the motorcycle takes place as a function of an adjustment of the side stand of the motorcycle. If the side stand of the motorcycle, on which the motorcycle can be supported against the ground, is moved from the side stand storage position to the side stand use position, then the secondary coil is folded around the vehicle's longitudinal axis in order to align the secondary coil parallel to the primary coil. The secondary coil is thus automatically folded when the side stand is adjusted via the mechanical and / or electrical coupling device. If the side stand is moved back from the side stand position of use into the side stand storage position, the secondary coil is swiveled back via the mechanical and / or electrical coupling device from its position parallel to the primary coil, which is a secondary coil position of use, into its starting position and thus into its secondary coil storage position. The mechanical coupling device can for example comprise a cable, via which the secondary coil is connected to the side stand of the motorcycle. The pivoting of the secondary coil when adjusting the side stand is particularly simple and is particularly convenient for a driver of the motorcycle. In particular, when the motorcycle is parked over the side stand, the secondary coil must be pivoted relative to the primary coil in order to be able to align the coils parallel to one another, in particular if the secondary coil is arranged in a plane spanning the vehicle longitudinal axis and the vehicle transverse axis of the motorcycle, since that When parking the motorcycle on the side stand, the motorcycle is usually arranged in an inclined position relative to the floor on which the motorcycle is parked.

In particular, it has proven to be advantageous if an alignment detection device is provided, by means of which an alignment of the coils relative to one another can be determined and the at least one coil can be displaced depending on the determined alignment of its relative position to the other coil. The alignment detection device can be arranged on the motorcycle, in particular on the secondary coil, and / or on the primary coil. The alignment of the two coils relative to one another can be determined by means of the alignment detection device and, depending on the determined alignment, the secondary coil can be displaced relative to the primary coil and / or the primary coil can be displaced relative to the secondary coil. For example, an electrical adjustment drive can be provided, by means of which the coil to be displaced can be displaced relative to the other coil, in particular as a function of the determined alignment. The alignment determined by means of the alignment detection device and the displacement of the at least one coil relative to the other coil as a function of the determined alignment can be used to ensure that after the displacement of the at least one coil, the coils are aligned at least essentially parallel to one another, whereby the magnetic spread is kept particularly low.

In a further embodiment of the invention, it has been shown to be advantageous if the primary coil is arranged on a vehicle stand for the motorcycle that is external to the vehicle. The vehicle stand external to the vehicle is in particular a motorcycle stand, by means of which the motorcycle can be held in a perpendicular orientation to the ground. In particular, the motorcycle is to be held by means of the vehicle stand, while the electrical energy for the motorcycle is provided via the primary coil. Arranging the primary coil on the vehicle stand has the advantage that the primary coil is firmly aligned relative to the vehicle stand. By aligning the primary coil with the vehicle stand, it can be ensured that when the motorcycle is arranged on the vehicle stand and the motorcycle is held by the vehicle stand, the primary coil is arranged particularly close to the secondary coil in order to ensure particularly efficient energy transfer between the primary coil and the secondary coil.

It has proven to be advantageous in this context if the vehicle stand has a receptacle for the motorcycle, in which the Motorbike can be picked up and by means of which the motorbike can be held in a holding position, the primary coil being foldable from a primary coil non-use position into a primary coil use position about a pivot axis when the motorcycle is picked up in the receptacle. This means that the motorcycle is to be held on the vehicle stand by picking it up in the receptacle, the primary coil being displaceable relative to the motorcycle when the motorcycle is being picked up in the receptacle, and in particular being displaced in order to align the primary coil particularly close and parallel to the secondary coil. When the motorcycle is arranged outside the receptacle, the primary coil is arranged in the primary coil non-use position. When the motorcycle is in the state of the motorcycle in the vehicle stand, the primary coil is arranged in the primary coil use position, in which energy can be inductively transferred from the primary coil to the secondary coil. If the motorcycle is removed from the receptacle, the primary coil is pivoted from the primary coil use position into the primary coil non-use position. The primary coil can be stowed in the primary coil non-use position, as a result of which the primary coil can be protected particularly well against damage in the primary coil non-use position. In contrast to this, the primary coil in the primary coil position of use is arranged particularly close and essentially parallel to the secondary coil of the motorcycle accommodated in the receptacle, so that the electrical energy can be transmitted particularly efficiently inductively from the primary coil to the secondary coil.

In this context, it has also proven to be advantageous if the receptacle can be pivoted when the motorcycle is picked up about a transverse vehicle direction of the motorcycle from a non-use position to a position of use, the primary coil with the receptacle being pivotable about the transverse direction of the vehicle as the pivot axis. When the motorcycle is arranged outside of the receptacle, the receptacle is thus arranged in the receptacle non-use position and is pivoted from the receptacle non-use position into the receptacle use position while the motorcycle is being picked up. In the recording use position, the motorcycle is to be held particularly securely in the recording. The primary coil is arranged in particular on the vehicle stand in such a way that the primary coil is shifted from the primary coil non-use position to the primary coil use position when the receptacle is pivoted from the receptacle non-use position into the receptacle use position. Here, a respective receptacle pivot axis, around which the receptacle is pivoted for adjustment between the receptacle non-use position and the receptacle use position, and the pivot axis around which the primary coil is pivoted when moving between the primary coil use position and the primary coil non-use position, can be aligned parallel to one another. In particular, the pivot axes can be identical. When the motorcycle is removed from the receptacle from the primary coil use position into the primary coil non-use position, the primary coil can be reset together with a resetting of the receptacle from its receptacle use position to the receptacle non-use position. This makes it possible to ensure that when the motorcycle is arranged in the receptacle, the primary coil is arranged in the primary coil position of use, so that inductive charging of the motorcycle is possible when it is arranged in the receptacle. The loading of the motorcycle is particularly convenient for the driver of the motorcycle since he does not have to manually trigger an adjustment of the primary coil from its primary coil non-use position to the primary coil use position due to the automatic adjustment of the primary coil together with the receptacle.

The electrical energy and thus the magnetic field for providing the electrical energy is only provided by the primary coil in its primary coil use position. When the primary coil is arranged in the primary coil non-use position, the electrical energy and in particular the magnetic field for providing the electrical energy are suppressed.

Furthermore, it has been shown to be advantageous if a front wheel of the motorcycle can be picked up by means of the mount and the primary coil can be folded onto the underside of the motorcycle when the mount is pivoted. This means that in order to receive the motorcycle in the receptacle, the front wheel of the motorcycle is rolled into the receptacle, whereby the receptacle is shifted from the receptacle non-use position into the receptacle use position. By means of the receptacle, the front wheel of the motorcycle can be supported at least over a length range of the vehicle longitudinal direction on respective sides of the motorcycle in order to hold the motorcycle in the receptacle in an upright and, in particular, vertical position. When the receptacle is pivoted, the primary coil is also pivoted, as a result of which the primary coil is folded onto the underside of the motorcycle and in particular onto the secondary coil of the motorcycle arranged on the underside facing the floor. As a result, the primary coil is placed flat against the secondary coil, in particular, in order to enable particularly efficient energy transfer between the coils. In order to enable the folding of the primary coil to the secondary coil on the underside of the motorcycle, the primary coil is at their Displacement about at least one pivot axis, in particular two pivot axes, pivotable, one of the pivot axes corresponding to the receptacle pivot axis of the receptacle. This means that the primary coil and the receptacle can be pivoted about a common pivot axis from their respective non-use positions to their respective use positions, the primary coil, for example, additionally being pivotable about a further pivot axis in order to align the primary coil parallel to the secondary coil and, in particular, to fold it onto the secondary coil. The alignment of the primary coil relative to the secondary coil can thus be adjusted in a particularly simple manner, whereby a particularly efficient energy transfer is ensured by folding the primary coil onto the secondary coil.

In a further embodiment of the invention, it has been shown to be advantageous if a support device is provided, by means of which the motorcycle can be supported against the vehicle stand in its vehicle longitudinal direction, whereby the holding position is predetermined. This means that when the motorcycle is moved into the receptacle along its vehicle longitudinal direction, it is rolled forward into the receptacle, the movement of the motorcycle relative to the vehicle stand being limited to the front by the support device along the vehicle longitudinal direction. The holding position in which the motorcycle is to be held by means of the vehicle stand is specified by means of the support device. Thus, by means of the receptacle, the motorcycle is stabilized on its sides, while the holding position along the vehicle longitudinal direction of the motorcycle is predetermined by means of the support device. Thus, the holding position is specified particularly precisely by means of the support device, so that it can be ensured that a distance between the primary coil and the secondary coil is particularly small when the motorcycle is arranged in the holding position, in order to enable particularly efficient energy transfer from the primary coil to the secondary coil .

A second aspect of the invention relates to a motorcycle with a battery, by means of which electrical energy can be provided for an electrical drive of the motorcycle. The motorcycle also includes a secondary coil to which electrical energy provided by a primary coil external to the vehicle can be inductively transmitted and by means of which the electrical energy received from the primary coil can be provided for the battery. In order to be able to keep a magnetic stray field particularly small, it is provided according to the invention that the secondary coil is arranged on an underside of the motorcycle facing a floor and the secondary coil can be moved in its position relative to the primary coil for parallel alignment of the coils relative to one another. Due to the arrangement of the secondary coil on the underside of the motorcycle facing the ground, the secondary coil can be arranged particularly close to the primary coil arranged on the ground, whereby the electrical energy can be transferred from the primary coil to the secondary coil in a particularly energy-efficient manner. The secondary coil of the motorcycle is set up, in particular, to form a charging arrangement, as has already been described in connection with the charging arrangement according to the invention.

A third aspect of the invention relates to a vehicle stand for a motorcycle, with a receptacle by means of which the motorcycle can be received in certain areas. In addition, the vehicle stand comprises a primary coil, by means of which electrical energy can be inductively provided for a secondary coil of the motorcycle. For the smallest possible stray magnetic field in inductive energy transmission, the invention provides that the primary coil can be displaced in its position relative to the secondary coil in order to align the primary coil parallel to the secondary coil on the bottom of the motorcycle. In particular, the primary coil of the vehicle stand is set up to form a charging arrangement, as has already been described in connection with the charging arrangement according to the invention, with the secondary coil of the motorcycle or the motorcycle.

Advantages and advantageous developments of the charging arrangement according to the invention are to be regarded as advantages and advantageous developments of the motorcycle according to the invention and the vehicle stand according to the invention, and vice versa. For this reason, for the advantages and advantageous developments of the motorcycle according to the invention and of the vehicle stand according to the invention, reference is made to the statements relating to the charging arrangement according to the invention.

Further features of the invention emerge from the claims, the figures and the description of the figures. The features and combinations of features mentioned above in the description as well as the features and combinations of features mentioned below in the description of the figures and / or shown alone in the figures can be used not only in the respectively specified combination, but also in other combinations or on their own.

• 1 eine Frontansicht eines elektrisch betreibbaren Kraftrads, mit einer Sekundärspule, auf welche von einer Primärspule bereitgestellte elektrische Energie übertragbar und für eine Batterie des Kraftrads bereitstellbar ist, welche an einer Unterseite des Kraftrads einem Boden zugewandt angeordnet ist und relativ zu der Primärspule bewegbar ist, um parallel zur Primärspule ausgerichtet zu werden;
• 2 eine Seitenansicht des Kraftrads mit der Sekundärspule, wobei das Kraftrad außerhalb eines die Primärspule aufweisenden Fahrzeugständers angeordnet ist;
• 3 eine schematische Seitenansicht des Kraftrads und des Fahrzeugständers gemäß 2, wobei ein Vorderreifen des Kraftrads in einer Aufnahme des Fahrzeugständers aufgenommen ist und das Kraftrad entlang dessen Fahrzeuglängsrichtung nach vorne durch eine Abstützeinrichtung des Fahrzeugständers abgestützt ist, wodurch das Kraftrad in einer Halteposition gehalten ist und die Primärspule von einer Primärspulennichtgebrauchsstellung in eine Primärspulengebrauchsstellung verschwenkt und hierdurch an die Sekundärspule angelegt ist;
• 4 eine Perspektivansicht der Aufnahme des Fahrzeugständers;
• 5 einen Seitenständer des Kraftrads, an welchem die Sekundärspule dem Boden zugewandt angeordnet ist; und
• 6 eine Perspektivansicht einer zu der in 5 dargestellten Ausführungsform alternativen Ausführungsform des Seitenständers des Kraftrads mit der Sekundärspule, wobei die Sekundärspule den Seitenständer über einen Längenabschnitt umfangsseitig umschließt.

The invention will now be explained in more detail using a preferred exemplary embodiment and with reference to the drawings. It shows:

• 1 a front view of an electrically operated motorcycle, with a secondary coil, to which electrical energy provided by a primary coil can be transmitted and provided for a battery of the motorcycle, which is arranged on an underside of the motorcycle facing a floor and is movable relative to the primary coil in order to be parallel to be aligned with the primary coil;
• 2 a side view of the motorcycle with the secondary coil, wherein the motorcycle is arranged outside a vehicle stand having the primary coil;
• 3 a schematic side view of the motorcycle and the vehicle stand according to FIG 2 , wherein a front tire of the motorcycle is received in a receptacle of the vehicle stand and the motorcycle is supported along its vehicle longitudinal direction forward by a support device of the vehicle stand, whereby the motorcycle is held in a holding position and the primary coil is pivoted from a primary coil non-use position into a primary coil use position and thereby the secondary coil is applied;
• 4th a perspective view of the receptacle of the vehicle stand;
• 5 a side stand of the motorcycle on which the secondary coil is disposed facing the ground; and
• 6th a perspective view of one of the in 5 Embodiment illustrated alternative embodiment of the side stand of the motorcycle with the secondary coil, the secondary coil surrounding the side stand over a length section on the circumferential side.

The same elements are provided with the same reference symbols in the figures.

In the 1 and 3 are respective charging arrangements 1 for charging a battery 2 of an electrically operated motorcycle 3 , in particular a scooter or a motorcycle shown. The loading arrangement 1 enables electrical energy to be transferred to the motorcycle 3 , by means of the on the motorcycle 3 transferred electrical energy to the battery 2 can be loaded. Here is the charging arrangement 1 set up to apply electrical energy inductively to the motorcycle 3 transferred to. For this purpose, the charging arrangement includes 1 a primary coil external to the vehicle 4th as well as a secondary coil on the vehicle 5 . By means of the primary coil 4th a magnetic field can be provided for the inductive transmission of electrical energy. The secondary coil on the vehicle 5 is set up to be used by the primary coil 4th to receive provided electrical energy and for the battery 2 of the motorcycle 3 to provide. The primary coil 4th is present on a floor 7th arranged tightly or on a vehicle stand 13 attached.

As in the 1 to 3 can be recognized is the secondary coil 5 at a bottom 6th of the motorcycle 3 the floor 7th arranged facing on which the motorcycle 3 is arranged. To a stray magnetic field from the primary coil 4th To be able to keep it particularly small, it is provided that at least one of the coils 4th , 5 is displaceable in its relative position to the other coil to the coils 4th , 5 align parallel to each other.

For parallel alignment of the coils 4th , 5 relative to each other as in 1 is shown, the secondary coil 5 relocated to the secondary coil 5 parallel to the primary coil 4th align. This is where the secondary coil can be aligned 5 relative to a frame of the motorcycle 3 particularly advantageous when the primary coil 4th as in 1 is shown firmly on the ground 7th is arranged.

As in 1 is shown, the motorcycle 3 when the motorcycle is parked 3 via a side stand 8th of the motorcycle 3 against the ground 7th be supported. When supporting the motorcycle 3 over the side stand 8th against the ground 7th can the motorcycle 3 at an angle to the ground 7th be aligned. By means of the pivotable and displaceable secondary coil 5 is a lean of the motorcycle 3 relative to the ground 7th and in particular relative to the primary coil 4th adjustable to the coils 4th , 5 align parallel to each other. Here is the secondary coil 5 about a secondary coil pivot axis extending along the vehicle longitudinal direction x 9 relative to the frame of the motorcycle 3 pivotable. To the pivotability of the secondary coil 5 to enable the motorcycle 3 a secondary coil pivoting device 10 have, by means of which the secondary coil 5 in their orientation relative to the frame of the motorcycle 3 is relocatable. The motorcycle 3 can in particular an orientation detection device 11 have, by means of which an alignment of the motorcycle 3 to the ground 7th and / or the secondary coil 5 to the primary coil 4th can be determined. By means of the secondary coil pivoting device 10 is the secondary coil 5 depending on the means of the orientation detection device 11 determined orientation of the motorcycle 3 to the ground 7th and / or the secondary coil 5 to the primary coil 4th relative to the frame of the motorcycle 3 relocatable.

As an alternative or in addition, the secondary coil pivoting device can 10 with the side stand 8th of the motorcycle 3 via a mechanical and / or electrical coupling device 12 be coupled, by means of which the secondary coil 5 at an adjustment of the side stand 8th between a side stand stowed position and a side stand use position relative to the primary spool 4th is relocatable. The secondary coil pivoting device can thus 10 via the mechanical and / or electrical coupling device 12 with the side stand 8th be coupled so that the secondary coil 5 together with the side stand 8th can be pivoted.

In 2 is the primary coil 4th on the floor-side vehicle-external vehicle stand 13 for the motorcycle 3 arranged. By means of the vehicle stand 13 is the motorcycle 3 recordable and in a holding position, which in 3 is shown to hold. The vehicle stand 13 includes a recording 14th as well as a support device 15th . For picking up and holding the motorcycle 3 in the vehicle stand 13 is the motorcycle 3 along the vehicle longitudinal direction x onto the vehicle stand 13 moveable and with his front wheel 16 in the recording 14th can be rolled in. By means of the recording 14th is the front wheel 16 perpendicular to the ground 7th keep aligned. When picking up the front wheel 16 in the recording 14th is recording 14th about a recording pivot axis 17th pivoted. By means of the support device 15th is the motorcycle 3 in its holding position along the vehicle longitudinal direction x can be supported to the front. The holding position is in particular through the support device 15th given.

To the stray magnetic field of the primary coil 4th The primary coil is to be kept particularly small 4th such on the vehicle stand 13 tied that when pivoting the recording 14th around the pickup pivot axis 17th the primary coil 4th with the recording 14th with pivoted and to the secondary coil 5 is folded. This is the primary coil 4th in the present case both around the receiving pivot axis 17th , as well as about a primary coil pivot axis 18th relative to the ground 7th pivoted. About pivoting the primary coil 4th with the recording 14th when picking up the front wheel 16 in the recording 14th becomes the primary coil 4th to the secondary coil 5 of the motorcycle 3 folded. In 3 is that in the holding position on the vehicle stand 13 held motorcycle 3 shown, with the primary coil 4th to the secondary coil 5 is folded, so that the primary coil 4th flat on the secondary coil 5 is applied. When picking up the motorcycle 3 in the vehicle stand 13 thus becomes the recording 14th from an in 2 Shown non-use position 19th into an in 3 shown position of use 20th pivoted and here the primary coil 4th of their in 2 primary coil non-use position shown 21st in the in 3 Primary coil usage position shown 22nd pivoted. In the folded state of the primary coil 4th on the secondary coil 5 are the coils 4th , 5 aligned parallel to each other.

The vehicle stand 13 is in 4th shown in perspective. It can be seen here that both the recording 14th as well as the support device 15th can be formed by respective V-profiles. The recording 14th is around the pickup pivot axis 17th pivotable on a base frame 23 of the vehicle stand 13 held. The support device 15th is in position relative to the base 23 fixed, with a respective orientation of the support device 15th relative to the base frame 23 is adjustable.

In the 5 and 6th are respective alternative arrangements of the secondary coil 5 on the motorcycle 3 shown. As in the 5 and 6th can be recognized here is the secondary coil 5 on the side stand 8th of the motorcycle 3 arranged. In 5 is the secondary coil 5 on one of the ground 7th facing end of the side stand 8th in the side stand 8th integrated. By means of a ferrite core of the secondary coil 5 a particularly efficient energy transfer can be achieved with particularly low stray fields. The secondary coil 5 extends at the in 6th Representation shown over a length range of the side stand 8th circumferentially around the side stand 8th . Here the side stand 8th one from the secondary coil 5 have circumferentially enclosed ferrite core for particularly efficient energy transfer. By integrating the secondary coil 5 in the side stand 8th of the motorcycle 3 can with a charging connection between the primary coil 4th and the secondary coil 5 a distance between the secondary coil 5 and the primary coil 4th can be kept particularly small. The 5 and 6th offer a convenient solution for inductive charging of the electrically operated motorcycle 3 as the charging connection between the secondary coil 5 and the primary coil 4th automatically when the motorcycle is parked 3 over the side stand 8th on the ground 7th will be produced.

The described loading arrangement 1 , the described motorcycle 3 , which is set up for the described charging arrangement 1 with the primary coil 4th as well as the vehicle stand described 13 , which is set up to do so, with the secondary coil 5 the described charging arrangement 1 enter into is based on the knowledge that with conductive charging of the battery 2 of the motorcycle 3 a high effort when connecting a charging cable to the motorcycle 3 consists. Disadvantage of inductive charging of the motorcycle 3 can be magnetic stray fields that, in contrast to a motor vehicle, a motorcycle on the side next to the motorcycle 3 may occur. Stray magnetic fields can have undesirable effects on other ferromagnetic materials as well on medical devices like hearing aids and pacemakers. Especially when the motorcycle 3 on the side stand 8th is turned off, is a stray magnetic field due to the inclined position of the motorcycle 3 open side of the motorcycle 3 particularly large, with the stray field becoming greater the greater the angle of the coils 4th , 5 is relative to each other.

As related to 1 has been described, the secondary coil 5 foldable at the bottom 6th of the motorcycle 3 are arranged so that a respective folding angle of the secondary coil 5 relative to the frame of the motorcycle 3 a tilt of the over the side stand 8th against the ground 7th supported motorcycle 3 compensates. The folding of the secondary coil 5 around the secondary coil pivot axis 9 can by means of the secondary coil pivoting device 10 can be carried out automatically. In particular, the side stand can fold it 8th triggered and / or operated. It can be folded using a shaft and / or a pull from the side stand 8th are executed. This mechanical coupling with the side stand 8th can the secondary coil 5 at the same time as the side stand 8th to the frame of the motorcycle 3 be folded back. By compensating for the lean of the motorcycle 3 by means of the secondary coil 5 becomes the secondary coil 5 parallel to the primary coil 4th positioned. The parallel alignment of the secondary coil 5 to the primary coil 4th leads to particularly small magnetic stray fields of the charging arrangement 1 . In this way, a particularly high degree of energy transfer efficiency can be achieved.

With a parallel alignment of the secondary coil 5 to the primary coil 4th with an air gap between the coils 4th , 5 Additional security systems for recognizing objects and / or living beings may be necessary, which are associated with a cost. These safety systems are with the loading arrangement 1 according to the 3 not necessary as the primary coil 4th and the secondary coil 5 be folded flat against each other. The vehicle stand 13 and the primary coil 4th are a mechanical unit. The primary coil 4th is made by a folding mechanism of the vehicle stand 13 to the bottom 6th of the motorcycle 3 guided. The primary coil 4th can be used as a ramp for the vehicle stand 13 serve. The folding mechanism creates a form-fitting connection of the coils 4th , 5 without spacing between them. An inductive charging process for the inductive transfer of electrical energy from the primary coil 4th on the secondary coil 5 is after reaching the stop position and in particular deactivating readiness to drive the motorcycle 3 in particular started automatically and therefore without additional operating steps. The inductive charging process can be stopped as soon as the battery is 2 is fully charged and / or that the motorcycle is ready to drive 3 is activated. When the motorcycle is driven out 3 from the vehicle stand 13 the primary coil works 4th through the mechanical coupling from the bottom 6th of the motorcycle 3 path.

When the motorcycle is parked 3 on the vehicle stand 13 is thus loading the motorcycle 3 automatically included. The driver of the motorcycle 3 does not require any additional positioning processes and operations. By means of the vehicle stand 13 can the motorcycle 3 particularly accurate relative to the primary coil 4th be positioned. Thus, the vehicle stand enables 13 both a positioning of the motorcycle 3 in the holding position, as well as an optimal alignment of the coils 4th , 5 relative to each other. Due to the form-fitting merging of the coils 4th , 5 without an air gap, a particularly good coupling factor of the charging arrangement 1 can be achieved. This leads to a particularly advantageous efficiency of the inductive energy transmission and enables a particularly simple magnetic design of the coils 4th , 5 . In particular, the invention shows how a horizontal alignment of the coils 4th , 5 an inductive charging arrangement 1 for inductive charging of the motorcycle 3 can be provided and thus an inductive charging solution for the motorcycle 3 with minimal coil spacing between the coils 4th , 5 can be reached.

List of reference symbols

1

Loading arrangement

2

battery

3

Motorcycle

4th

Primary coil

5

Secondary coil

6

bottom

7th

ground

8th

Side stand

9

Secondary coil pivot axis

10

Secondary coil pivoting device

11

Alignment detection device

12th

Coupling device

13

Vehicle stand

14th

admission

15th

Support device

16

Front wheel

17th

Pick-up pivot axis

18th

Primary coil pivot axis

19th

Recording non-use position

20th

Admission use position

21st

Primary coil not in use position

22nd

Primary coil position of use

23

Base frame

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• WO 2010/131983 A1 [0002]
• EP 0902523 A1 [0003]
• WO 2012/072167 A1 [0004]

Claims (10)

Charging arrangement (1) for charging a battery (2) of an electrically operated motorcycle (3), with a primary coil (4) external to the vehicle, by means of which electrical energy can be provided for inductive energy transmission, and with a vehicle-side secondary coil (5) to which the electrical energy provided by the primary coil (4) can be transmitted and provided for the battery (2) of the motorcycle (3), characterized in that the secondary coil (5) on an underside (6) of the motorcycle (3) has a base (7) is arranged facing and for a parallel alignment of the coils (4, 5) relative to one another at least one of the coils (4, 5) is displaceable in its position relative to the other coil (5, 4). Loading arrangement (1) according to Claim 1 , characterized in that the secondary coil (5) is coupled to a side stand (8) of the motorcycle (3) via a mechanical and / or electrical coupling device (12), by means of which the secondary coil (5) when the side stand (8) is adjusted can be folded between a side stand stowage position and a side stand position of use around a vehicle longitudinal axis of the motorcycle (3). Loading arrangement (1) according to Claim 1 or 2 , characterized in that an alignment detection device (11) is provided, by means of which an alignment of the coils (4, 5) relative to one another can be determined, and the at least one coil (4, 5) depending on the determined alignment in their relative position to the other Coil (5, 4) is displaceable. Loading arrangement (1) according to one of the preceding claims, characterized in that the primary coil (4) is arranged on a vehicle stand (13) for the motorcycle (3) on the floor and external to the vehicle. Loading arrangement (1) according to Claim 4 , characterized in that the vehicle stand (13) has a receptacle (14) for the motorcycle (3) in which the motorcycle (3) can be received in areas and by which the motorcycle (3) is to be held in a holding position, with one Receiving the motorcycle (3) in the receptacle (14), the primary coil (4) can be folded from a primary coil non-use position (21) into a primary coil use position (22) about a pivot axis (17, 18). Loading arrangement (1) according to Claim 5 , characterized in that when the motorcycle (3) is picked up, the receptacle (14) can be pivoted about a vehicle transverse direction of the motorcycle (3) from a receptacle non-use position (19) into a receptacle use position (20), the primary coil (4) with the receptacle ( 14) can also be pivoted about the transverse direction of the vehicle as the pivot axis (17). Loading arrangement (1) according to Claim 5 or 6th , characterized in that a front wheel (16) of the motorcycle (3) can be picked up by means of the receptacle (14) and the primary coil (4) can be folded onto the underside (6) of the motorcycle (3) when the receptacle (14) is pivoted. Loading arrangement (1) according to one of the Claims 5 to 7th , characterized in that a support device (15) is provided, by means of which the motorcycle (3) can be supported against the vehicle stand (13) in the vehicle's longitudinal direction, whereby the holding position is predetermined. Motorcycle (3), with a battery (2), by means of which electrical energy can be provided for an electrical drive of the motorcycle (3), and with a secondary coil (5) to which electrical energy provided by a primary coil (4) external to the vehicle can be inductively transmitted and can be provided for the battery (2), characterized in that the secondary coil (5) is arranged on an underside (6) of the motorcycle (3) facing a floor (7) and for parallel alignment of the coils (4, 5) can be displaced relative to one another in their position relative to the primary coil (4). Vehicle stand (13) for a motorcycle (3), with a receptacle (14) by means of which the motorcycle (3) can be picked up in certain areas, and with a primary coil (4) by means of which electrical energy inductively for a secondary coil (5) of the motorcycle (3) can be provided, characterized in that for a parallel alignment of the primary coil (4) to the secondary coil (5) arranged on the bottom of the motorcycle (3), the primary coil (4) can be displaced in its position relative to the secondary coil (5).

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