Abstract

The invention relates to a contact unit (10) for a charging station of an electrically operated vehicle and to a method for forming an electrically conductive connection between the vehicle, in particular an electric bus or the like, and the charging station. The contact unit can be arranged above a vehicle, wherein electrical charging contacts (11) of the contact unit can be moved relative to contact faces of the vehicle and can make contact with said contact faces by means of the contact unit. The contact unit comprises at least two charging contact supports (13) having at least two charging contacts arranged thereon. The charging contact supports are connected to one another via a parallel linkage (16) of the contact unit, having two parallel connecting rods (17) and two parallel support rods (18). The support rods are each connected to the connecting rods in one of two parallel movement planes (24) via mutually spaced connecting joints (19) and form a parallelogram (25) with the connecting rods. The connecting rods are connected to a base support (21) of the contact unit in a support plane (23) running parallel and centrally to the movement planes via two mutually spaced support joints (22). The charging contact supports are each connected to the support rods via a revolute joint (20). The revolute joints are orthogonal to the connecting joints. The charging contact supports each hold the charging contacts coaxially in relation to the axis of rotation.

IPC Classes  ?

• B60L 5/42 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from individual contact pieces connected to the power supply line
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a contact unit (10) for a charging station of an electrically operated vehicle and to a method for forming an electrically conductive connection between the vehicle, in particular an electric bus or the like, and the charging station. The contact unit can be arranged above a vehicle, wherein electrical charging contacts (11) of the contact unit can be moved relative to contact faces of the vehicle and can make contact with said contact faces by means of the contact unit. The contact unit comprises at least two charging contact supports (13) having at least two charging contacts arranged thereon. The charging contact supports are connected to one another via a parallel linkage (16) of the contact unit, having two parallel connecting rods (17) and two parallel support rods (18). The support rods are each connected to the connecting rods in one of two parallel movement planes (24) via mutually spaced connecting joints (19) and form a parallelogram (25) with the connecting rods. The connecting rods are connected to a base support (21) of the contact unit in a support plane (23) running parallel and centrally to the movement planes via two mutually spaced support joints (22). The charging contact supports are each connected to the support rods via a revolute joint (20). The revolute joints are orthogonal to the connecting joints. The charging contact supports each hold the charging contacts coaxially in relation to the axis of rotation.

IPC Classes  ?

• B60L 5/42 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from individual contact pieces connected to the power supply line

Abstract

The invention relates to a positioning unit (10) and also to a method for establishing an electrically conductive connection between a stationary charging station and a vehicle, in particular an electric bus or the like, wherein an electrical charging contact of the positioning unit can be moved relative to a charging contact face (11) and can make contact with said charging contact face by means of the positioning unit, wherein the positioning unit has an articulated arm apparatus (12) and a drive apparatus for driving the articulated arm apparatus, wherein the charging contact can be positioned between a contact position (37) for transmitting power and a retracted position for interrupting power by means of the articulated arm apparatus, wherein the drive apparatus has an adjusting drive (13) for forming an adjusting force which acts on the articulated arm apparatus, wherein the drive apparatus has a control device by means of which the adjusting drive can be actuated, wherein the drive apparatus has a sensor device (62) by means of which the charging contact face can be detected, wherein the sensor device is coupled to the control device, wherein a speed of the charging contact during a movement of the charging contact from the retracted position to the contact position can be controlled depending on a relative distance of the charging contact and charging contact face from the control device.

IPC Classes  ?

• B60L 5/28 - Devices for lifting and resetting the collector
• B60L 5/42 - Current-collectors for power supply lines of electrically-propelled vehicles for collecting current from individual contact pieces connected to the power supply line
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a positioning unit (10) and a method for forming an electrically conductive connection between a stationary charging station and a vehicle, in particular an electric bus or similar, wherein an electrical charging contact of the positioning unit can be moved relative to a charging contact surface (11) and contacted with same by means of the positioning unit, wherein the positioning unit has an articulated arm device (12) and a drive device for driving the articulated arm device, wherein the charging contact can be positioned between a contact position (37) for power transmission and a retracting position (36) for power interruption by means of the articulated arm device, wherein the drive device has an adjustment drive (13) for forming an adjustment force acting on the articulated arm device and a spring device (29) mechanically cooperating with the adjustment drive, wherein a contact force can be formed on the charging contact surface by the adjustment drive, wherein the adjustment drive has a control device and an electric motor (43), which can be actuated by the control device, wherein the adjustment drive is designed in such a way that a torque of the electric motor can be detected by the control device, wherein the contact force can be controlled by the control device in accordance with the torque of the electric motor.

IPC Classes  ?

• B60L 5/30 - Devices for lifting and resetting the collector using springs

Abstract

The invention relates to a positioning unit (10) and a method for forming an electrically conductive connection between a vehicle, in particular an electric bus or the like, and a charging station, wherein the positioning unit is designed such that it can be arranged above a vehicle, wherein an electrical charging contact of the charging station can be moved relative to a contact area of the vehicle and can make contact with said contact area by means of the positioning unit, wherein the positioning unit has an articulated arm apparatus (11) and a drive apparatus (12) for driving the articulated arm apparatus, wherein the drive apparatus has an adjusting drive (29) for forming an adjusting force, which acts on the articulated arm apparatus, and a spring device (31) which mechanically interacts with the adjusting drive, wherein the spring device comprises at least one contact spring (32), wherein the adjusting drive and the contact spring are coupled to one another in a mechanical series circuit (53) in such a way that a contact force onto the contact area can be formed by the adjusting drive and the contact spring.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells
• B60L 5/28 - Devices for lifting and resetting the collector
• H01R 13/629 - Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure

Abstract

The invention relates to a current transmission device for stationary charging of electrical energy stores of devices and/or for mobile supplying of electrical drive units of devices having a current transmitter which is embodied as an articulated arm system, and which can swivel between a current-transmitting extended position and a current flow interrupting retracted position, an adjusting drive interacting with the current transmitter as well as a spring system interacting with the current transmitter, wherein the adjusting drive is self-locking-free and has a switchable electromagnetic brake device.

IPC Classes  ?

• H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
• B60L 5/30 - Devices for lifting and resetting the collector using springs
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

A contact device for contacting a contact conductor arrangement with at least two contact conductors. The device has at least two contact strip arrangements, each with at least one contact strip arranged on a support. The contact strip supports connect via an arrangement of parallel rods, including two parallel connecting rods, such that the contact strip supports each connect to the connecting rods in one of two parallel hinge planes at mutually spaced hinge points on mutually parallel rotational axes and form a parallelogram with the contact strips aligned parallel to each other. At least one connecting rod central axis parallel to the rotational axes is pivotally connected to a base support at a hinge point such that an advancing motion of the base support in the direction of the contact conductor arrangement causes a corresponding advancing motion of the contact strips.

IPC Classes  ?

• H01R 13/02 - Contact members
• B60L 5/08 - Structure of the sliding shoes or their carrying means
• B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
• B60L 5/19 - Current-collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire using arrangements for effecting collector movement transverse to the direction of vehicle motion
• H01R 41/02 - Devices for interrupted current collection, e.g. distributor

Abstract

The invention relates to a current transmission device for stationary charging of electrical energy stores of devices and/or for mobile supplying of electrical drive units of devices having a current transmitter designed as an articulated arm system, which can swivel between a current-transmitting extended position and a current flow interrupting retracted position, an adjusting drive interacting with the current transmitter and a spring system interacting with the current transmitter, wherein the adjusting drive is self-locking-free and has a switchable electromagnetic brake device.

IPC Classes  ?

• B60L 5/30 - Devices for lifting and resetting the collector using springs

Abstract

A vehicle-side current transmission device (4) for the stationary charging of electrical energy stores of vehicles (7) at charging stations includes current-supplying contact surfaces (13, 14, 14) arranged above the vehicle (7), wherein a charge current collector (4) formed as an articulated arm system (4) is multi-pole and has, for making stationary contact with the current-supplying contact surfaces (13, 14, 15), at least two isolated electrical contact elements (1, 2, 3) that transmit different electrical phases. The collector enables electrical contacts by a single current collector, which transmit different electrical phases while grounding the vehicle. The articulated arm system allows for an especially compact design with low weight, and enables the vehicle driver to simply position the vehicle below the overhead charging station, coupled with a reliable contacting of the contact surfaces.

IPC Classes  ?

• B60L 11/00 - Electric propulsion with power supplied within the vehicle (B60L 8/00, B60L 13/00 take precedence;arrangements or mounting of prime-movers consisting of electric motors and internal combustion engines for mutual or common propulsion B60K 6/20)
• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells

Abstract

The invention relates to a contact device (20) for contacting a contact conductor arrangement (27) comprising at least two contact conductors (25, 26). The contact device has at least two contact strip arrangements, each comprising at least one contact strip (21, 22) arranged on a contact strip support (23, 24). The contact strip supports are connected to each other via an arrangement of parallel rods, which comprises two parallel connecting rods (35, 36), such that the contact strip supports are each connected to the connecting rods in one of two parallel hinge planes (64, 65) at mutually spaced hinge points (33, 34) on mutually parallel rotational axes and form a parallelogram with the contact strips, which are aligned parallel to each other. At least one connecting rod central axis, which runs parallel to the rotational axes, is connected to a base support (42) at a hinge point (40) in a pivoting manner such that an advancing motion (43) of the base support in the direction of the contact conductor arrangement causes a corresponding advancing motion of the contact strips.

IPC Classes  ?

• B60L 5/08 - Structure of the sliding shoes or their carrying means
• B60L 5/19 - Current-collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire using arrangements for effecting collector movement transverse to the direction of vehicle motion
• B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
• H01R 41/02 - Devices for interrupted current collection, e.g. distributor

Abstract

The invention relates to a contact device (20) for contacting a contact conductor arrangement (27) with at least two contact conductors (25, 26). The contact device has at least two contact strip arrangements, each comprising at least one contact strip (21, 22) arranged on a contact strip support (23, 24), and the contact strip supports are connected to each other via a parallel rod assembly, which has two mutually parallel connecting rods (35, 36), such that each contact strip support is connected to the connecting rods at mutually spaced hinge points (33, 34) about mutually parallel rotational axes on one of two parallel hinge planes (64, 65) and form a parallelogram together with the contact strips, which are aligned parallel to each other. At least one connecting rod central axis which runs parallel to the rotational axes is connected to a base support (42) at a hinge point (40) in a pivotal manner such that an advancing movement (43) of the base support in the direction of the contact strip arrangement causes a corresponding advancing movement of the contact strips.

IPC Classes  ?

• B60L 5/08 - Structure of the sliding shoes or their carrying means
• B60L 5/36 - Current-collectors for power supply lines of electrically-propelled vehicles with means for collecting current simultaneously from more than one conductor, e.g. from more than one phase
• B60L 5/19 - Current-collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire using arrangements for effecting collector movement transverse to the direction of vehicle motion
• H01R 41/02 - Devices for interrupted current collection, e.g. distributor

Abstract

The invention relates to a contact device for a current collector for rail vehicles, wherein the contact device has at least one graphite collector shoe (17) which is arranged for contact with an overhead wire on a collector shoe frame (12) movable towards the overhead wire, wherein the graphite collector shoe is arranged together with a second collector shoe (18) on a collector shoe carrier (13) that is connected in an articulated manner to the collector shoe frame, is constructed as a double lever and is pivotable relative to the collector shoe frame about a pivot axis (14) transverse to the longitudinal direction of the overhead wire in such a manner that, in one operating configuration of the current collector, the graphite collector shoe and the second collector shoe, which are arranged on opposing sides of the pivot axis, are in contact with the overhead wire simultaneously and spaced apart from one another.

IPC Classes  ?

• B60L 5/20 - Details of contact bow
• B60L 5/22 - Supporting means for the contact bow

Abstract

The invention relates to a vehicle-side current transmission device (4) for the stationary charging of electrical energy stores of vehicles (7) at charging stations by means of current-supplying contact surfaces (13, 14, 15) arranged above the vehicle (7), wherein a charge current collector (4) formed as an articulated arm system (4) is designed to be multi-pole and has, for making stationary contact with the contact surfaces (13, 14, 15) to be supplied with current, at least two electrical contact elements (1, 2, 3) isolated from one another, which transmit different electrical phases. On the basis of the present invention, the charge current collector is used to create a current transmission device, which enables at least two or a plurality of electrical contacts to be made via one single current collector, said electrical contacts being able to transmit different electrical phases while earthing the vehicle at the same time. The design as an articulated arm system allows the current transmission device according to the invention to be implemented in an especially compact design with low weight. A vehicle-side charging device thus designed enables the vehicle driver to simply position the vehicle below the overhead charging station, coupled with a reliable contacting of the contact surfaces.

IPC Classes  ?

• B60L 11/18 - using power supplied from primary cells, secondary cells, or fuel cells