EP3615398A1

EP3615398A1 - Wheel device which is driven by electric motor

Info

Publication number: EP3615398A1
Application number: EP18709583.1A
Authority: EP
Inventors: Haluk Yoeruer; Bertram SCHILLINGER; Joerg Baur; Paul Paukow; Thomas Lux; Raphael Fruhauf; Thomas Schroeder; Pierre Nonnenmacher; Ester RUPRECHT; Jochen Pfister; Barbara Bruns
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2017-04-27
Filing date: 2018-03-08
Publication date: 2020-03-04
Also published as: DE102017207087A1; CN110536823A; WO2018197090A1

Abstract

The invention proceeds from a wheel device which is driven by electric motor, in particular from a smart wheel, having at least one wheel main body (12a-12f), having at least one drive unit (14a-14f) which is arranged, in particular, at least partially on the wheel main body (12a-12f) and is provided for driving the wheel main body (12a-12f), and having at least one electronic unit (16a-16f) which is provided at least for controlling and/or regulating the drive unit (14a-14f). It is proposed that the wheel device which is driven by electric motor comprises at least one detection unit (18a-18f) which is configured, in particular, differently from a switching element which can be actuated directly by an operator (24a-24f), for detecting at least one operator-specific characteristic variable, wherein at least the electronic unit (16a-16f) and/or the drive unit (14a-14f) can be activated automatically in a manner which is dependent on the at least one detected operator-specific characteristic variable.

Description

description

Electric motor driven wheel device

State of the art

There are already known electric motor driven wheel devices with a Radgrundkörper, with a drive unit to a drive of Rad basic body and with an electronic unit to a control and / or regulation of the drive unit known.

DISCLOSURE OF THE INVENTION The invention is based on an electric motor-driven wheel device, in particular a smartwheel, with at least one wheel body, with at least one, in particular at least partially arranged on the Radgrundkörper drive unit, which is provided to drive the Radgrundkörpers, and at least one Electronic unit, which is provided at least for a control and / or regulation of the drive unit.

It is proposed that the electric motor-driven wheel device comprises at least one, in particular different from a directly operable by an operator switching element detection unit to capture at least one operator-specific characteristic, wherein at least the electronics unit and / or the drive unit in dependence on the at least one detected operator-specific parameter is automatically activated. The inventive design advantageously a high operating flexibility can be achieved. In addition, an activation by means of a user-specific parameter advantageously allows a user-specific and / or comfortable activation of the electric motor driven wheel device can be achieved, whereby advantageously a short lead time, for example, a starting operation, the electronic unit and / or the drive unit can be achieved.

A "smartwheel" is intended in particular to mean an electric motor-driven wheel device with advantageously electric drive components, preferably designed in the manner of a powerwheels, and preferably with sensor components and with data interface components which contribute to an implementation of at least one system functionality, and in a drive unit connected to the wheel main body A rotation axis of the wheel base body is preferably defined by means of at least one bearing of the wheel base body, in particular a slide bearing, a ball bearing, a roller bearing and / or another bearing of the wheel base body that appears appropriate to a person skilled in the art the

Rotary axis through a center of gravity of Rad basic body. In particular, the Radgrundkörper on a cylindrical outer contour. Preferably, a maximum spatial extent of the Radgrundkörpers viewed in the direction of the axis of rotation is considered smaller than a maximum spatial extent of the Radgrundkörpers in a direction perpendicular to the axis of rotation. Preferably, the Radgrundkörper on a particular circular outer periphery. Advantageously, the Radgrundkörper at least one receiving area for at least one contact element, which is intended for rolling on a substrate, for example for a tire and / or a tread. In particular, the Radgrundkörper can be advantageously connected to a contact element, in particular with a tire and / or a tread. For example, the Radgrundkörper form a rim. In particular, the Radgrundkörper forms a hub of a wheel with hub drive. Preferably, the entire Radgrundkörper is rotatably mounted about the axis of rotation. Preferably, the drive unit is provided to at least partially, in particular completely, drive the wheel base body to a rotating movement about the axis of rotation.

Particularly advantageously, the drive unit comprises at least one electric motor, preferably a brushless electric motor. In particular, the drive unit at least one rotor, which is preferably connected to at least one drive shaft. In particular, the drive unit has at least one stator. Preferably, a direction of rotation and / or a rotational speed of the drive unit, in particular of the rotor, can be switched over, particularly preferably controlled and / or regulated. It is conceivable that the rotor is at least partially connected in one piece with the Radgrundkörper, in particular free of a arranged between the rotor and the Radgrundkörper drive shaft.

An "electronic unit" is to be understood in particular as meaning a unit which, for a control and / or regulation of at least the drive unit, advantageously comprises at least one control and / or regulating unit Unit be understood with at least one information input, information processing and information output. The control and / or regulating unit is preferably provided at least for a control and / or regulation in particular of the drive unit of the electric motor driven wheel device. Advantageously, the electronic unit has at least one processor, a memory, an input and output means, further electrical components, an operating program, control routines, control routines and / or calculation routines. Preferably, the components of the electronics unit are arranged on a common board and / or advantageously arranged in a common housing. Preferably, the electronic unit has at least one evaluation unit, which is provided for an evaluation of parameters that are detectable, for example, by the detection unit of the wheel device.

In this context, a "detection unit" should be understood to mean, in particular, a unit which has at least one detection element, preferably a plurality of detection elements, which is designed as a sensor and is provided for detecting at least one detection variable operator-specific parameter, in particular a parameter generated by an operator, which has a preferably physical influence and / or action of the detection unit such as a horizontal and / or vertical positional shift, a mass application, a pressure, a pushing and / or tensile force, a lighting and / or irradiate with an electromagnetic radiation, for example a laser radiation, a radio, a WLAN, a Bluetooth, an N FC wave, and / or a physical influence and / or action that appears expedient to the person skilled in the art. A "directly operable by an operator switching element" is to be understood in particular an element having at least one electrical switch, such as an analog switch and / or a semiconductor switch, in particular an on / off switch, and an electrical line directly conductive for electrical signal is switched and is designed in particular as an operable by an operator as a pressure switch, a push-button, as a lever switch element

In particular, it should be understood that the detection unit is free of a detection element which is designed as a switching element which can be directly actuated by an operator An intensity of an influence and / or action on the detection unit is correlated by an "intensity of an influence and / or action" here a strength and / or an effectiveness of the influencing and / or action to be understood. In particular, a value of a user-specific parameter is correlated with the intensity of influencing and / or acting on the detection unit. An influencing and / or acting on the detection unit by an operator preferably causes a detection of a user-specific parameter correlated with the influencing and / or action, which automatically and automatically activates the electronic and / or sensor when a threshold of the operator-specific parameter is reached and / or exceeded / or drive unit effected by means of the electronic unit.

In addition, it is proposed that the detection unit comprises at least one detection element, which is intended to detect the operator-specific characteristic and provide data technology for transmission to the electronics unit and / or the drive unit. In particular, the at least one detection element is designed as a sensor which is provided to detect the operator-specific parameter and to provide an electronic data signal correlated with the operator-specific parameter. Preferably, the detection unit comprises a plurality of at least partially different from each other formed detection elements, which are preferably intended to capture different operator-specific characteristics, preferably simultaneously. Preferably, the detection unit is at least with the electronic unit advantageously at least technologically and / or electronically connected, for example by means of a cable and preferably by means of a wireless connection. A "wireless connection" is to be understood, in particular, as an advantageously disembodied connection of two objects, in particular decoupled from a physical connection, to a transmission of electronic information and / or data signals, for example via sound waves, light waves and / or preferably radio waves According to the embodiment of the invention, advantageously, a comfortable detection of at least one operator-specific parameter, advantageously a plurality of different operator-specific parameters, can be achieved, as a result of which a high level of operating convenience can be achieved.

Furthermore, it is proposed that the detection unit has at least one detection element, in particular a distance sensor, which is provided to detect a user-specific parameter correlated with a distance of an operator relative to the detection unit. In particular, a distance sensor can be used as a triangulation distance sensor, as a capacitive

Distance sensor, as a magnetic distance sensor and / or be designed as a professional appear reasonable sense distance sensor. Preferably, a distance sensor is designed as a radio sensor which, from a transit time and / or from a weakening of an electromagnetic wave, preferably a radio wave and / or radar wave reflected, especially at an object and / or an operator, a distance between the Distance sensor and the object and / or the operator determined. Preferably, the electronics unit and / or the drive unit is activated as soon as an operator has a distance to the detection element, at which a threshold value of the operator-specific parameter correlated with the distance of the operator is reached and / or undershot. In addition, it is conceivable that the electronic unit has an authorization unit, which may be provided for authorizing an operation of the electric motor driven wheel device by an operator. By means of the embodiment according to the invention, a particularly simple activation of an electromotive torically driven wheel device can be achieved, which advantageously an activation time and / or an application and / or working time can be kept low. In addition, a high level of security for an operator can be achieved.

It is also proposed that the detection unit has at least one detection element, in particular a force sensor, which is provided to detect a user-specific parameter correlated with a force acting on the detection unit by an operator. Preferably, the detection element for detecting an acting on the detection unit force of an operator correlated operator-specific characteristic as a piezoelectric force sensor, for example as an IEPE sensor, as electrodynamic force sensor, as FS R force sensor (Force Sensitive Resistance), for example, as a capacitive sensor, and / or preferably as a microelectromechanical sensor (MEMS) and / or as a torque sensor. Preferably, the detection element for detecting a user-specific characteristic, on a headband of the electric motor driven wheel device, such as a handle, an inner surface of an operator's glove, a support surface for an applied mass, in a treadle and / or arranged in a hinge of a push bar. For acquiring the operator-specific characteristic variable, the detection unit preferably comprises a plurality of detection elements designed as force sensors. In particular, an electric motor-driven wheel device with a particularly simple and intuitive activation and advantageously with a high safety standard, in particular with a high mass load, can be achieved.

In addition, it is proposed that the detection unit has at least one detection element, in particular a force sensor, which is arranged on the wheel base or in a vicinity of the Radgrundkörpers and is intended to detect a correlated with a force on the Radgrundkörper operator-specific characteristic. In this context, a "near area of the wheel base body" should be understood to mean, in particular, a spatial area which is formed by points which, viewed in the direction of the axis of rotation of the wheel base body, are less than one half, preferably less than a third, preferably less than a quarter, particularly advantageously less than one sixth and particularly preferably less than one tenth of an extension length of the Radgrundkörpers viewed in a direction of the axis of rotation of the Radgrundkörpers viewed from a side surface of Rad basic body are removed and / or which in a direction perpendicular to the

The axis of rotation of the Radgrundkörpers considered less than a half, preferably less than a third, preferably less than a quarter, more preferably less than one sixth and more preferably less than one-tenth of the axis of rotation perpendicularly oriented main extension length of the Radgrundkörpers from the axis of rotation of Rad basic body are removed. Preferably, the detection element is designed as a spring-elastic force sensor which is provided to detect a correlated with a horizontal force on the Radgrundkörper, in particular by a tensile force and / or shear force operator-specific characteristic. Alternatively or additionally, the detection unit may comprise a further detection element, which is aligned on the Radgrundkörper and in particular perpendicular to the detection element and is intended to detect a vertical force, for example by an application of a mass, and / or a weight of the acted upon To determine mass. By means of the embodiment according to the invention can be a particularly comfortable

Activation of the electric motor driven wheel device can be achieved, in particular as a result of detection of a push-on state and / or an action of a pulling force of an operator. In addition, can be achieved by determining the weight of the applied mass advantageously a wide range of applications of the electric motor driven wheel device.

Furthermore, it is proposed that the detection unit has at least one detection element, in particular an angular acceleration sensor, which is provided, at least in a de-energized operating state of the drive unit, to detect a user-specific characteristic value correlated with a movement of the wheel base body caused by an operator. Preferably, in a de-energized operating state of the rotor of the drive unit is freely rotatably mounted about the axis of rotation, and consequently also the Radgrundkörper is freely rotatably mounted about the axis of rotation. In particular, causes a force, in particular a tensile force and / or shear force, an operator on the electric motor driven wheel device rotation of the Radgrundkörpers and therefore preferably an angular acceleration of the rotor. Preferably, an angular acceleration sensor is designed as a gyrometer, for example as a laser gyroscope and / or as a gyroscope. By means of the embodiment according to the invention, an intuitive activation can advantageously be achieved.

According to another aspect of the invention, which in particular can be implemented alone or advantageously in addition to the aforementioned aspects of the invention, and preferably combined with at least some, advantageously at least a majority and preferably all of the aforementioned aspects, becomes an electromotive proposed driven wheel device, which comprises at least one wireless communication unit for an exchange of electronic data with an external unit to a control and / or regulation of the drive unit in dependence on the transmitted electronic data. A "communication" is to be understood here as meaning in particular a bidirectional connection to a transmission of electronic data.The communication is preferably a wireless communication external unit, in particular an external unit arranged on an operator, Preferably, the wireless communication unit is a WLAN communication unit, a Bluetooth communication unit, a radio communication unit, an RFID communication unit, an N FC unit, an infrared communication unit, when

Mobile network communication unit, designed as a Zigbee communication unit or the like. Preferably, the wireless communication unit transmits electronic data, such as an electronic data signal correlated with a distance between the wireless communication unit and the external unit and / or with a user-specific characteristic, to the external unit and / or receives electronic data, preferably control commands and / or defined destination - And / or start location data, which the operator by means of the external unit for a control and / or regulation of the electric motor-driven wheel device, preferably a direction of travel of the electromotively driven wheel device set. Alternatively or in addition It is conceivable that the communication unit is provided for a wired exchange of electronic data with the external unit. In addition, it is conceivable that the wireless communication unit of the electric motor-driven wheel device communicates with another wireless communication unit of another electric motor-driven wheel device for exchanging electronic data. The external unit can be embodied as a smartphone, as a laptop, as a netbook, as a tablet as a smartwatch and / or as another external unit that appears appropriate to a person skilled in the art. In one embodiment as a smartphone, as a personal computer, as a laptop, as a netbook or as a tablet, an app is preferably provided for communication with the wireless communication unit. By means of the embodiment according to the invention can advantageously be achieved a high operating flexibility.

Furthermore, it is proposed that the wireless communication unit is provided to at least partially automatically control and / or regulate the drive unit as a function of at least one data transmission parameter of a data connection between the external unit and the wireless communication unit that can be arranged, in particular, on an operator. Preferably, the data transmission parameter is correlated with the distance between the operator and the detection unit and / or between the operator and the wireless communication unit, a change in the distance of an operator from the wireless communication unit and / or the detection unit from a change in the data transmission parameter, for example a Changing the term and / or a signal attenuation of the data transmission characteristic causes. In addition, the data transmission parameter can be correlated with the operator-specific parameter. The wireless communication unit is provided, depending on the data transmission parameter, to control and / or regulate the drive unit preferably by means of an alignment of a direction of travel of the electromotive wheel device. By means of the embodiment according to the invention, advantageously a high level of operating comfort and advantageously an at least partially autonomous driving operation can be achieved.

Furthermore, a wheeled vehicle with at least one electric motor driven wheel device according to the invention, in particular with a multiple proposed number of electric motor driven wheel devices. In particular, a wheeled vehicle can be designed as a wheeled suitcase, a wheelbarrow, a shopping cart, a golf bag, a rolling container, a rolling board, a hospital bed, a stroller, a pallet truck and / or as a load transport vehicle or another wheeled vehicle that appears expedient to a person skilled in the art.

By means of the embodiment according to the invention, in particular a high operating flexibility can be achieved.

Furthermore, a method for controlling and / or regulating at least one electric motor-driven wheel device is proposed, wherein at least one operator-specific parameter is detected in at least one method step by means of at least one, in particular different from a directly operable by an operator switching element detection unit, wherein at least an electronic unit and / or a drive unit of the electric motor-driven wheel device are automatically activated as a function of the at least one detected operator-specific parameter. By means of the embodiment according to the invention can advantageously be achieved a high operating flexibility. The electric motor driven wheel device according to the invention and the

A method for controlling and / or regulating at least one electric motor driven wheel device should not be limited to the application and embodiment described above. In particular, the electric motor-driven wheel device and the method for controlling and / or regulating at least one electric motor-driven wheel device for performing a function described herein may have a different number from a number of individual elements, components and units mentioned herein.

drawing

Further advantages emerge from the following description of the drawing. In the drawings, six embodiments of the invention are shown. The drawings, the description and the claims contain numerous male in combination. The person skilled in the art will expediently also consider the features individually and combine them into meaningful further combinations. Show it:

Fig. 1 is designed as a load roller carriage according to the invention

Wheeled vehicle with a plurality of electric motor driven wheel devices according to the invention in a perspective view,

Fig. 2, the wheeled vehicle according to the invention of Figure 1 with a

A plurality of inventive electromotively driven wheel devices and with a detection unit which has a detection element configured as a distance sensor, in a perspective view,

Fig. 3 shows a sequence of a method according to the invention to a

4 shows a wheeled vehicle according to the invention with a further exemplary embodiment of an inventive electromotively driven wheel device with a detection unit, which has a detection element designed as a force sensor, in a lateral representation, FIG.

5 shows a further exemplary embodiment of an inventive electromotively driven wheel device with a detection unit which has a detection element designed as a force sensor, in a simplified detail view, FIG. 6 shows a further embodiment of an inventive electromotively driven wheel device with a detection unit which has a detection element designed as a force sensor in a highly simplified schematic representation,

7 shows a further exemplary embodiment of a detection unit which has a detection designed as an angular acceleration sensor. has in a highly simplified schematic representation and

8 shows a further exemplary embodiment of a detection unit which has a detection element embodied as an angular acceleration sensor in a greatly simplified schematic representation.

Description of the embodiments

FIG. 1 shows a wheeled vehicle 36a with at least one electric motor-driven wheel device 10a, in particular with a plurality of electric motor-driven wheel devices 10a. The wheeled vehicle 36a is preferably designed as a load roller carriage. Alternatively, the wheeled vehicle 36a may be formed as a wheeled suitcase, a wheelbarrow, a shopping cart, a golf bag, a roll container, a rolling board, a hospital bed, a stroller, a lift truck, and / or a load transport vehicle or another wheeled vehicle 36a that appears appropriate to those skilled in the art be. The wheeled vehicle 36a has a headband unit 54a. The retaining bracket unit 54a is provided for an action of a force of an operator (not shown here) on the wheeled vehicle 36a, in particular, a pulling force or a pushing force. The headband unit 54a is provided for moving the wheeled vehicle 36a by means of the force of the operator. The wheeled vehicle 36a has a load storage unit 56a. The load storage unit 56a is formed as a plate. Preferably, the load storage unit 56a and the headband unit

54a non-positively and / or positively connected.

The electric motor driven wheel device 10a is preferably designed as a smartwheel. The wheeled vehicle 36a preferably has a plurality of electromotively driven wheel devices 10a, which have an at least substantially analogous configuration to one another, so that in particular a description of a single electromotively driven wheel device 10a can be read on all other electromotively driven wheel devices 10a of the wheeled vehicle 36a , The wheeled vehicle 36a preferably has four electric motor driven wheel devices 10a on. The electric motor-driven wheel device 10a is arranged in an edge area, in particular in a corner of the load storage unit 56a, of the wheeled vehicle 36a. The electric motor driven wheel device 10a is non-positively and / or positively connected to the load storage unit 56a, in particular via a connection unit 38a of the electric motor driven wheel device 10a.

Figure 2 shows the wheeled vehicle 36a with four electric motor driven wheel devices 10a. The electric motor-driven wheel device 10a has a wheel base body 12a and the connection unit 38a. The Radgrundkörper 12a is preferably cylindrical. The wheel base 12a defines a rotation axis 58a. The axis of rotation 58a extends through a center of mass of the Radgrundkörpers 12a. The wheel base body 12a has a receiving region for at least one contact element which is provided for rolling on a substrate and can be designed as a tire and / or a running surface. The outer contour of Radgrundkörpers 12a is connected to the contact element. For example, the Radgrundkörper 12a form a rim. In particular, the wheel base 12a forms a hub of a hub drive wheel. The Radgrundkörper 12a is intended to cause a movement of the electrically driven wheel device 10a by rolling, in particular by a rotational movement about the axis of rotation 58a, on a base.

The connection unit 38a is designed as a mounting bracket, which is intended to arrange the wheel base body 12a with the load rest unit 56a of the wheeled vehicle 36a, in particular to be fastened thereto. Advantageously, the connection unit 38a engages around the wheel base body 12a of two sides of the wheel base body 12a facing away from one another. Alternatively, the connection unit 38a may also be arranged on one side of the wheel base body 12a, wherein a side of the wheel base body 12a facing away from the side is free of the wheel base body 12a

Connecting unit 38a may be. The wheel base body 12a is preferably mounted rotatably relative to the connection unit 38a and / or relative to the load storage unit 56a on the connection unit 38a. The connection unit 38a is preferably made of a metal. In addition, the connection unit 38a may alternatively be at least partially made of a plastic. The electric motor driven wheel device 10a has at least one drive unit 14a. The drive unit 14a is partially arranged in the connection unit 38a. The drive unit 14a is operatively connected to the Radgrundkörper 12a. The drive unit 14a is provided to provide a torque for the Radgrundkörper 12a and / or to transfer to the Radgrundkörper 12a. The drive unit 14a is provided to effect a movement, in particular a rotational movement, of the wheel base 12a to a movement of the electric motor driven wheel device 10a. The drive unit 14a preferably has a brushless electric motor (not shown here), which is designed as an AC motor or preferably as a DC motor. The electric motor has a rotor and a stator (not shown here), wherein the rotor can be non-positively and / or positively connected to the Radgrundkörper 12a, in particular rotatable about the axis of rotation 58a of Radgrundkörpers 12a, and is connected to the Radgrundkörper 12a, in particular about the rotational axis 58a of the Radgrundkörpers 12a rotatably connected. In addition, it is possible that the electric motor-driven wheel device 10a comprises at least one further electric motor, which may be connected in parallel and / or in series for an improved transmission of a torque to the electric motor.

The electric motor driven wheel device 10a has at least one electronic unit 16a. The electronics unit 16a is at least partially arranged in the connection unit 38a. The electronic unit 16a is disposed in a vicinity of the drive unit 14a. The electronic unit 16a is formed as a board. The electronic unit 16a is provided for controlling and / or regulating at least the drive unit 14a. Alternatively, the electronics unit 16a may be arranged outside the connection unit 38a. The electronic unit 16a comprises at least one control and / or regulating unit (not shown here). The control and / or regulating unit is at least electrically connected to the electronic unit 16a. The control and / or regulating unit is integrated in the electronic unit 16a. The control and / or regulating unit is preferably provided at least for a control and / or regulation of at least the drive unit 14a. The control and / or regulating unit is to a manual and / or automatic control and / or regulation of the drive unit 14a.

The electric motor-driven wheel device 10 has at least one detection unit 18a. The detection unit 18a is the data technology with the

Electronic unit 16a connected. The detection unit 18a is provided for detecting at least one operator-specific characteristic. The detection unit 18a is intended to detect an operator-specific parameter. The detection unit 18a comprises at least one detection element 20a, which is provided to detect the operator-specific parameter. The detection element 20a is also intended to provide a user-specific characteristic. The detection element 20a is additionally provided to provide the electronic unit 16a and / or the drive unit 14a with an electronic data signal correlated with the operator-specific parameter.

The electronic unit 16a and / or the drive unit 14a are automatically activated as a function of the operator-specific parameter. Advantageously, the electronic unit 16a and / or the drive unit 14a are automatically activated as a function of the electronic data signal correlated to the operator-specific parameter. The electronic unit 16a and / or the drive unit 14a can be activated automatically as soon as the operator-specific parameter reaches a threshold value which is preferably preset and, for example, corresponds to a sensitivity of the detection unit 18a and / or the detection element 20a.

Preferably, the detection element 20a is formed as a distance sensor 22a. The distance sensor 22a is preferably designed as a radio sensor, which detects a propagation time and / or an attenuation of a radio wave reflected, in particular on an object and / or the operator 24a, a distance between the detection unit 18a, in particular the detection element 20a, and determined by the operator 24a. Alternatively, the distance sensor 22a can also be used as a radar sensor, as a laser sensor, as an infrared sensor, as a light sensor and / or as a triangulation distance sensor, as a capacitive distance sensor, as a magnetic distance sensor, as an inertial navigation system. Standssensor and / or a the skilled person appear reasonable sense distance sensor 22a. The detection unit 18a detects, by means of the detection element 20a designed as a distance sensor 22a, the distance of an operator 24a positioned relative to the detection unit 18a and / or moving relative to the detection unit 18a. The operator-specific characteristic correlates with a distance between the operator 24a and the detection unit 18a, which indicates an operator operation of the electric motor driven wheel device 10a and / or the wheeled vehicle 36a, for example with a distance between the operator 24a and the detection unit 18a of less than half a meter, the operator-specific parameter reaches a threshold value. The electronic unit 16a and / or the drive unit 14a are automatically activated by means of the operator-specific parameter correlated with the distance. In addition, the electric motor driven wheel device 10a includes a wireless communication unit 32a. The wireless communication unit 32a is data-technically and / or electrically connected to the drive unit 14a. Preferably, the wireless communication unit 32a is partially disposed in the connection unit 38a. The wireless communication unit 32a may alternatively also be arranged outside the connection unit 38a. The wireless communication unit 32a is provided for exchanging electronic data with an external unit 34a for controlling and / or regulating the drive unit 14a in response to the transmitted electronic data. For this purpose, the wireless communication unit 32a preferably has a further detection unit (not shown here), which is provided for detecting electronic data. Preferably, the electronic data is correlated with the distance between the operator 24a and the wireless communication unit 32a. The electronic data are also correlated with a data transmission characteristic of a data connection. Alternatively, the wireless communication unit 32a may be free of another detection unit and / or data-logically connected to the detection unit 18a, in which case the detection unit 18a may additionally be provided to detect the data transmission characteristic and the wireless communication unit 32a for communication and / or to provide control and / or regulation of the drive unit 14a. The external unit 34a is preferably wirelessly and / or data-wise connected to the wireless communication unit 32a. The external unit 34a is provided to exchange electronic data with the wireless communication unit 32a. The external unit 34a can be embodied as an electronic transmitter for transmitting the data transmission characteristic correlated with the electronic data and / or for reflecting the data transmission characteristic transmitted by the wireless communication unit 32a, for example a radio and / or radar wave. Preferably, the external unit 34a is as a watch and / or as an electronic bracelet, which is the operator

24a around the arm, trained. Alternatively, the external unit 34a may also be designed as a laptop, as a netbook, as a tablet, as workwear, as protective goggles, as a protective helmet, and / or as another external unit 34a that appears meaningful to a person skilled in the art. In addition, the external unit 34a may alternatively or additionally also be electrically connected by means of a cable to the wireless communication unit 32a.

In an operating state of the electric motor-driven wheel device 10a, in which the electronic unit 16a and / or the drive unit 14a are / is activated by means of the distance sensor 22a, as already described, the wireless communication unit 32a is provided to drive the drive unit 14a as a function of at least the Data transmission characteristic of the data connection between the, in particular on the operator 24a can be arranged, external unit 34a and the wireless communication unit 32a, at least partially automatically control and / or to regulate. The data transfer characteristic advantageously correlates with the distance between the external unit 34a and the wireless communication unit 32a. In this operating state, the wireless communication unit 32a controls and / or regulates the drive unit 14a, wherein the wireless communication unit 32a controls and / or controls the drive unit 14a as a function of the data transmission parameter, such that the drive unit 14a controls the distance between the external unit 34a and the wireless unit Communication unit 32a by changing a direction of travel of the electric motor-driven wheel device 10a, for example, by changing the direction of travel in one direction relative to the external unit 34a, and changed with the distance between the external Unit 34a and the wireless communication unit 32a correlates data transmission characteristic by changing the direction of travel adapts.

FIG. 3 shows a greatly simplified schematic illustration of a method for controlling and / or regulating the electric motor-driven wheel device 10a. The method comprises at least one method step 60a. In the at least one method step 60a, the operator-specific parameter is detected by means of the detection unit 18a. The operator-specific parameter is correlated at least with the distance between the operator 24a and the detection unit 18a. The electronic unit 16a and the drive unit 14a are automatically activated as a function of the operator-specific parameter as soon as the operator-specific parameter reaches and / or exceeds a preferably preset threshold value. In addition, the method for controlling and / or regulating the electric motor-driven wheel device 10a can have at least one further method step 62a. In the further method step 62a, the electronic unit 16a and / or the drive unit 14a, and in particular a direction of travel of the electric motor driven wheel device 10a by means of the wireless communication unit 32a depending on the data transmission characteristic, which is correlated with the distance between the wireless communication unit 32a and the In particular, on the operator 24 a can be arranged, external unit 34 a automatically controlled and / or regulated. Alternatively, in the second method step 62a, the electronically driven wheel device 10a, in particular the direction of travel of the electronically driven wheel device 10a, can be controlled by means of a manual application of force.

In the figures 4 to 8 further embodiments of the invention are shown. The following descriptions and the drawings are limited to

Substantially to the differences between the embodiments, with respect to the same designated components, in particular with respect to components with the same reference numerals, in principle, the drawings and / or the description of the other embodiments, in particular the figures 1 to 3, referenced. For distinguishing the embodiments is the Letter a the reference numerals of the embodiment in the figures 1 to 3 readjusted. In the exemplary embodiments of FIGS. 4 to 8, the letter a is replaced by the letters b to f. FIG. 4 shows a further exemplary embodiment of the invention. the

Embodiment of Figure 4, the letter b is adjusted. The further embodiment of Figure 4 differs from the previous embodiment, at least substantially by an embodiment of the detection unit 18b of an electric motor driven wheel device 10b.

The detection unit 18b comprises a detection element 20b, which is designed as a force sensor 26b. The detection element 20b embodied as a force sensor 26b is intended to detect a user-specific parameter correlated with forces acting on an operator (not shown here) on the detection unit 18b. The detection element 20b formed as a force sensor 26b is arranged in a grip region of a headband unit 54b of a wheeled vehicle 36b.

The detection element 20b designed as a force sensor 26b is used to detect a force applied to the detection unit by an operator

18b, for example, provided during a gripping movement of the operator, correlated operator-specific characteristic. The detection element 20b designed as a force sensor 26b is designed in the present case as a microelectromechanical sensor (MEMS). Alternatively, a detection element 20b embodied as a force sensor 26b can be embodied as a piezoelectric force sensor, for example as an IEPE sensor, as an electrodynamic force sensor and / or as an FSR force sensor (Force Sensitive Resistance), for example as a capacitive sensor. Furthermore, the detection element 20b could be designed as a torque sensor and a force be provided by a rotational movement of the headband assembly 54b relative to a rotatably connected load storage unit 56b. In this case, the detection element 20b is connected to the headband unit 54b and the load rest unit 56b, and rotatably supports the headband unit 54b relative to the load rest unit 56b. In addition, a detection element 20b embodied as a force sensor 26b can alternatively or additionally be arranged in an inside of a glove, in a shoe and / or a pedal.

FIG. 5 shows a further exemplary embodiment of the invention. The embodiment of Figure 5 is followed by the letter c. The further

Embodiment of Figure 5 differs from the previous embodiment, at least substantially by an embodiment of the detection unit 18c of an electric motor driven wheel device 10c. The detection unit 18c is disposed in the vicinity of a wheel base 12c of an electric motor driven wheel device 10c. The detection unit 18c has at least one detection element 20c, which is formed as a resilient element 44c. In addition, the detection unit 18c has a second detection element 20c of identical construction to the detection element 20c, which is arranged on a side of the wheel base body 12c facing away from the detection element 20c. The Radgrundkörper 12c is non-positively and / or positively connected to a connection element 42c of a connection unit 38c. The attachment element 42c is in a vertical direction 64c of the electric motor driven wheel device 10c by means of a bearing unit 43c relative to a further attachment element 40c

Connecting unit 38c mounted fixed and mounted in a horizontal direction 66c of the electric motor driven wheel device 10c slidably to the further connecting element 40c. The detection element 20c is disposed along the horizontal direction 66c between the attachment member 42c and the other attachment member 40c. The detection element 20 c is arranged perpendicular to a direction of travel of the Radgrundkörpers 12 c and / or the electric motor-driven wheel device 10 c. A force action 28c in the horizontal direction 66c causes a relative displacement of the attachment element 42c to the further attachment element 40c and consequently to a change in shape of the capture element 20c that is correlated to the force action 28c. An operator-specific characteristic is correlated with the force action 28c in the horizontal direction 66c. Additionally or alternatively, the detection unit 18c could comprise further detection elements 20c, which are constructed identically to the detection element 20c, and along a vertical axis. aligned direction 64c of the electric motor driven wheel device 10c and are arranged between the connection element 42c and the further connection element 40c and / or along the vertical direction 64c above the connection unit 38c.

FIG. 6 shows a further exemplary embodiment of the invention. The embodiment of Figure 6 is followed by the letter d. The further exemplary embodiment of FIG. 6 differs from the previous exemplary embodiment at least essentially by an embodiment of a detection element 20d.

The detection unit 18d comprises at least one detection element 20d, which is designed as a piezoelectric force sensor 26d. The detection element 20d is disposed on a Radgrundkörper 12d and / or in a vicinity of the Radgrundkörpers 12d and provided to one with a

Force action 28d on the Radgrundkörper 12d correlated to detect operator-specific characteristic. In addition, the detection unit 18d has a second detection element 20d designed identically to the detection element 20d, which is arranged on a side of the wheel base 12d facing away from the detection element 20d. The detection element 20d is disposed along a vertical direction 64d of the wheel base 12d. The detection element 20d connects the wheel base 12d to a portion of a load storage unit 56d. A force 28d of an operator (not shown here) on the portion of the load storage unit 56d, for example by applying at least the portion of the load storage unit 56d with a

Mass, causes detection of a correlated to the force effect 28d operator-specific characteristic. In addition, by means of the operator-specific parameter correlated with the force effect 28d, detection of a weight force of a mass charged to the load deposition unit 56d can take place.

FIG. 7 shows a further exemplary embodiment of the invention. The embodiment of Figure 7 is followed by the letter e. The further exemplary embodiment of FIG. 7 differs from the previous exemplary embodiment at least essentially by an embodiment of a detection element 20e. The detection unit 18e includes a detection element 20e which is formed as an angular acceleration sensor 30e. In addition, the detection unit 18e is electrically connected to a control unit 52e. The control unit 52e is electrically connected to a power supply unit 50e. The power supply unit 50e is designed to provide power. The control unit 52e is provided to control and / or regulate the energy provided by the power supply unit 50e and to provide the detection unit 18e, an electronic unit 16e electrically connected to the control unit 52e, and / or a drive unit not shown here. The energy supply unit 50e may include at least one battery and / or a rechargeable battery and preferably a plurality of batteries and / or rechargeable batteries.

The drive unit is in a de-energized operating state, wherein the rotor and / or a Radgrundkörper at least operatively connected to the rotor (not shown here) are freely rotatably mounted. A tensile and / or shear force on the Radgrundkörper causes movement of the Radgrundkörpers and consequently rotation of the rotor. The detection element 20e embodied as an angular acceleration sensor 30e detects the rotation of the rotor and / or the movement of the wheel base body as a user-specific parameter and provides an electronic data signal correlated with the operator-specific characteristic, at least in terms of data technology, of the electronic unit 16e.

FIG. 8 shows a further exemplary embodiment of the invention. The embodiment of Figure 8, the letter f is adjusted. The further exemplary embodiment of FIG. 8 differs from the previous exemplary embodiment at least substantially by an embodiment of the detection unit 18f.

The detection unit 18f comprises a detection element 20f, which is electrically and / or data-technically connected to a control unit 52f. The control unit 52f is also electrically and data technically with an electronics unit 16f connected, which is provided for a control and / or regulation of a drive unit, not shown here. In addition, the control unit 52f is electrically connected to a power supply unit 50f. The detection element 20f detects in a de-energized operating state of the drive unit caused by a force of an operator on the Radgrundkörper rotation of the rotor and / or movement of Rad basic body as a user-specific characteristic and provides a correlated with the operator-specific characteristic, electronic data signal of the control unit 52f ready. The control unit 52f provides the electronic unit 16f with an activation of the drive unit with a data signal correlated with the operator-specific parameter. In addition, the control unit 52f controls an energy supplied from the power supply unit 50f, which the electronic unit 16f can transmit to the drive unit for control and / or regulation.

Claims

claims

Electromotive driven wheel device, in particular a smartwheel with at least one wheel body (12a-12f), with at least one, in particular at least partially on the Radgrundkörper (12a - 12f) arranged, drive unit (14a - 14f), which to drive the Radgrundkörpers (12a - 12f) 12f) is provided, and with at least one electronic unit (16a - 16f), which is provided at least for a control and / or regulation of the drive unit (14a - 14f), characterized by at least one, in particular different from one by an operator (24a - 16f). 24f) directly operable switching element formed, detection unit (18a - 18f) for detecting at least one operator-specific characteristic, wherein at least the electronics unit (16a - 16f) and / or the drive unit (14a - 14f) in dependence on the at least one detected operator-specific Characteristic is automatically activated.

Electromotive driven wheel device according to claim 1, characterized in that the detection unit (18a - 18f) comprises at least one detection element (20a - 20f) which is provided to detect the operator-specific characteristic and, in terms of data technology, to a transmission to the electronics unit (16a - 16f). 16f) and / or the drive unit (14a-14f).

Electromotive driven wheel device according to claim 1 and 2, characterized in that the detection unit (18a) at least ei detection element (20a), in particular a distance sensor (22a), which is provided, one with a distance of an operator (24a) relative to the detection unit (18a) correlated user-specific characteristic parameter to capture. Electromotive driven wheel device according to one of the preceding claims, characterized in that the detection unit (18b) has at least one detection element (20b), in particular a force sensor (26b), which is provided with one of an operator (24b) on the Detecting unit (18b) acting force correlated operator-specific characteristic.

Electromotive driven wheel device according to one of the preceding claims, characterized in that the detection unit (18c, 18d) at least one detection element (20c, 20d), in particular a force sensor (26c, 26d), which on the Radgrundkörper (12c, 12d) or in a proximity of the Radgrundkörpers (12c, 12d) is arranged and is intended to detect a with a force effect (28c, 28d) on the Radgrundkörper (12c, 12d) correlated operator-specific characteristic.

Electromotive driven wheel device according to one of the preceding claims, characterized in that the detection unit (18e, 18f) at least one detection element (20e, 20f), in particular an angular acceleration sensor (30e, 30f), which at least in a de-energized operating state of the drive unit (14e , 14f) is provided to detect a user-specific parameter correlated with a movement of the wheel base body (12e, 12f) caused by the operator (24e, 24f).

Electromotive driven wheel device at least according to the preamble of claim 1, in particular according to one of the preceding claims, characterized by at least one wireless communication unit (32a) for exchanging electronic data with an external unit (34a) for controlling and / or regulating the drive unit ( 14a) depending on the transmitted electronic data.

Electromotive driven wheel device according to claim 7, characterized in that the wireless communication unit (32a) thereto is provided, the drive unit (14a) depending on at least one Datenübertragungskenngröße a data connection between, in particular on an operator (24a) can be arranged, external unit (34a) and the wireless communication unit (32a) at least partially automatically control and / or to regulate ,

Wheeled vehicle (36a - 36f) with at least one electric motor driven wheel device (10a - 10f), in particular with a plurality of electric motor driven wheel devices (10a - 10f), according to one of the preceding claims.

Method for controlling and / or regulating at least one electric motor-driven wheel device (10a-10f), in particular according to one of claims 1 to 9, characterized in that in at least one method step (60a-60f) by means of at least one, in particular different from one through an operator (24a-24f) directly operable switching element formed, detection unit (18a - 18f) at least one operator-specific characteristic is detected, wherein at least one electronic unit (16a - 16f) and / or a drive unit (14a - 14f) of the electric motor driven wheel device (10a - lOf) are activated automatically as a function of the at least one detected operator-specific parameter.