16results about "Single contact pieces" patented technology

A fleet and trolley system, a first method of charging a work machine, and a second method of charging a fleet of work machines are disclosed. The fleet and trolley system includes a trolley network, at least one zero-emission work machine, and a controller. The controller manages a scheduled usage of the trolley network, a power draw, and a distribution of the power draw by the work machine. The first method includes monitoring states of the work machine, scheduling a usage of the trolley network, and supplying electric power to the work machine. The second method includes monitoring states of a fleet, monitoring states of the trolley network, scheduling usages of the trolley network, and supplying electric power to one or more machines of the fleet. Advantageously, the disclosed system and methods may improve an efficiency, productivity, and longevity of a fleet of zero-emission work machines.

This invention relates to the field of electrified construction equipment technology for water conservancy projects, and discloses an electrified construction towed track system suitable for large-scale tunnel excavation. The system includes a DC power supply track system, an intelligent sliding contact power receiving module, construction vehicle terminals, a current-collecting cable, an electric construction vehicle, and a traction substation. The DC power supply track system adopts a modular splicing structure, allowing for dynamic disassembly and relocation along with the tunnel excavation surface. The intelligent sliding contact power receiving module uses strain gauges to achieve closed-loop tension control of the current-collecting cable, combined with a mechanical anti-derailment structure to ensure stable power reception. The electric construction vehicle has dual modes: track-based power reception and trackless independent operation. This invention solves the problem of continuous power supply for electric engineering machinery in dynamic construction of large tunnels, enabling full-cycle electrified construction of tunnels, and is applicable to underground engineering construction scenarios such as water conservancy, transportation, and mining.

The invention relates to a charging station (4) for charging an electrical energy storage device (2) of a vehicle (1), in particular a road or rail vehicle, comprising a current collector (5) having at least one contact slide (10) that can be raised and lowered, for feeding energy from a single-pole or two-pole overhead line system. The charging station (4) comprises at least one charging contact (11) for each contact pole (9), which charging contact is arranged above the charging position of the vehicle (1) such that at least one contact point (14) can be established between the contact slide (10) and the charging contact (11) for each contact pole (9). Since the charging contact (11) of the charging station (4) according to the invention has a cooling body (15) for cooling the contact point (14), the charging process can be carried out with a higher charging current and thus a shorter charging time.

The invention relates to a charging station (4) for charging an electric energy storage device (2) of a vehicle (1), in particular a road or rail vehicle which has a current collector (5) with at least one raisable and lowerable contact strip (10) in order to supply energy from a single- or double-pole overhead line system. The charging station (4) comprises at least one charging contact (11) per contact pole (9), said charging contact being arranged above a charging position for the vehicle (1) such that at least one point of contact (14) can be produced between the contact strip (10) and the charging contact (11) for each contact pole (9). Charging processes can be carried out with higher charging currents, and therefore with shorter charging times, in that the charging contact (11) of the charging station (4) according to the invention has a heat sink (15) for cooling the point of contact (14).

A rail transport vehicle electric energy storage and charging system has an energy storage sub-system (200) and a charging system (400) having a charging rail (4) which only charges a vehicle (10) when the rail is covered.The invention also provides a battery-powered rail vehicle having a rail-contacting charging shoe.

The utility model discloses a centralized three-phase contact rail power supply system under an alternating current 3kV three-phase system, which comprises an insulating support frame for integrally supporting, a three-phase contact rail for providing a three-phase alternating current power supply, a collector shoe for transmitting electric energy and an insulating block for insulating three-phase electricity, comprising a first contact rail buckle seat, a second contact rail buckle seat and a third contact rail buckle seat, the three-phase contact rail comprises a first contact rail, a second contact rail and a third contact rail which are all C-shaped buckle type contact rails, are respectively matched with the first contact rail buckle seat, the second contact rail buckle seat and the third contact rail buckle seat and are connected through pressing buckles; the collector shoe is in contact with the three-phase contact rail by adopting a rolling type design; and the insulating block is filled between the three-phase contact rail and the insulating support frame to ensure electrical insulation. According to the system, through centralized arrangement, same-side arrangement and side current collection, the occupied space is reduced, the maintenance space is increased, and continuous arrangement of the contact rails can be achieved.

A system includes electrically propellable road vehicle(s) and electric conductors extending along a road, at least one electric conductor being formed by at least two consecutive conductor segments. The road vehicle(s) includes at least one electric motor, an electric energy storage device and a current collector adapted to connect electrically with the electric conductor(s). The system includes at least two vehicle external charging devices, each connected to conductor segment(s), and charging device control means configured to control the charging device(s), said charging device control means provided with communication means. Each road vehicle includes vehicle control means and communication means adapted to connect with the communication means of the charging device control means to transmit a charge signal indicative of a desired charging current, the charging device control means configured to, in response, order a charging device to provide a current to the connected conductor segment(s) corresponding to the desired current.

Ground power supply system adapted for an aircraft operating on a taxiway of an airport facility. The invention relates to a ground power supply system for an aircraft operating on the ground along a guidance line (30), comprising: on the ground, at least one first power supply terminal (34) at zero potential parallel to the guidance line (30) and a plurality of second power supply terminals (36), at non-zero potential, regularly distributed on at least one second power supply line parallel to the guidance line (30), integral with the aircraft, at least one support configured to occupy at least one state in which it is positioned close to the ground, at least one first contact zone (44) and at least one second contact zone (46), integral with the support and configured to cooperate with the first and second power supply terminals (34, 36),as well as at least one cover configured to cover all first and second contact areas (44, 46). Figure 3,

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.

The invention relates to a stationary power supply system for providing electrical energy to at least one electrically powered vehicle, comprising a stationary power supply station with electrical contacts connected to a power source; at least one pantograph of a vehicle configured to contact the electrical contacts of the power supply station and to transmit electrical energy supplied by the power source to the vehicle via the electrical contacts, wherein the electrical contacts of the power supply station are arranged and configured such that they can be contacted from the side by the pantograph to establish an electrical connection;and a protective device with a protective conductor for dissipating electrical energy, comprising a first protective contact connected to the protective conductor and a second protective contact on the vehicle side, and designed to establish a connection between the protective contacts independently of, and in particular before, the establishment of a connection between the current collector and the electrical contacts of the power supply station. The invention further relates to a method for providing electrical energy to an electrically powered vehicle by means of a stationary power supply system according to the invention.

The present invention discloses a method and an electrification system for charging a rolling stock energy storage unit while the rolling stock is in or passes through a charging segment infrastructure. In addition, the present invention further discloses of a method configured to produce an optimized microgrid plan configured to supply power to a rolling stock.

The invention relates to a stationary power supply system for providing electrical power for at least one electrically driveable vehicle, comprising a stationary power supply station having electrical contacts which are connected to a power source; at least one current collector of a vehicle, which current collector is designed to contact the electrical contacts of the power supply station and to transmit electrical power provided by the power source via the electrical contacts to the vehicle, the electrical contacts of the power supply station being arranged and designed such that they are contactable from the side by the current collector in order to establish an electrical connection; and a protective device having a protective conductor for dissipating electrical power, the protective device comprising a first protective contact, which is connected to the protective conductor, and a vehicle-side second protective contact and being designed to establish a connection between the protective contacts independently of and in particular before a connection is established between the current collector and electrical contacts of the power supply station. The invention also relates to a method for providing electrical power for an electrically driveable vehicle by means of a stationary power supply system according to the invention.

The present invention discloses a method and an electrification system for charging a rolling stock energy storage unit while the rolling stock is in or passes through a charging segment infrastructure. In addition, the present invention further discloses of a method configured to produce an optimized microgrid plan configured to supply power to a rolling stock.

The application aims to provide a railway locomotive power supply device, which comprises a power supply unit installed on a track, the height dimension of the power supply unit is higher than the center line of the track by a fixed dimension a after installation, a<=d, d is the bottom clearance of the locomotive; a power supply cable connected with the power supply unit to supply power to the power supply unit; a current collector installed on the railway locomotive and matched with the power supply unit; and a lifting device connected with the current collector to control the lifting of the current collector; after the above technical scheme is adopted, the application can meet the demand of the rapid charging of the railway locomotive ground power supply, and can reduce the stray current and facilitate the on-site construction.

An electric charging system for an electric vehicle comprises direct voltage rails (102, 103) and a supply sledge (104) above the direct voltage rails and moveable along the direct voltage rails The direct voltage rails can be in an upwards opening gutter (114) that can be on the ground or at least partly below the ground level. The supply sledge comprises contact elements (105, 106) for forming contacts with the direct voltage rails, electric conductors (107, 108) connected to the contact elements and to a charging cable (109) whose other end has a charging plug. The supply sledge comprises a force-control system for changing contact forces between the contact elements and the direct voltage rails. Due to the force-control system, reliable galvanic contacts between the contact elements and the direct voltage rails can be made, although the supply sledge is movable along the direct voltage rails.