464results about "Rail devices" patented technology

Discussed are a charging management device, a wireless charging system, a server, and a method for providing wireless charging services. The server is one for managing wireless charging of a vehicle on a road and includes at least one processor, at least one memory that stores computer program instructions that, when executed, cause the at least one processor to perform operations, and a communication device configured to communicate with the vehicle and a charge control device. The operations include receiving, from the vehicle, a traveling route and location information of the vehicle, identifying at least one wireless charging station through which the vehicle passes on the traveling route based on the traveling route and the location information, and providing information on at least one identified wireless charging station to the vehicle.

A wireless power transfer system according to the present invention includes: a supply device having a primary coil installed on a road; a vehicle having a secondary coil that receives power transferred in a non-contact manner from the primary coil; and a server communicably connected to the supply device and the vehicle by wide-area wireless communication, in which the supply device transmits identification information of the supply device to the server before receiving a signal from the vehicle by narrow-area wireless communication, the server transmits a compatibility list including a combination of the compatible supply device and vehicle to the supply device on the basis of identification information of the supply device and information of the vehicle, and the supply device performs pairing with the vehicle on the basis of the compatibility list in a case of receiving the signal from the vehicle by the narrow-area wireless communication.

A thermosensitive wire includes a pair of conductive wires each covered with an insulator that softens at a preset temperature, and the pair of conductive wires are configured to come into contact with each other to be short-circuited in response to the insulator softening. A power supply system includes: a second power source configured to supply power to the pair of conductive wires; a short circuit detector configured to detect that the pair of conductive wires are short-circuited; a disconnection detector configured to detect that the pair of conductive wires are disconnected; and a controller configured to perform, for power supply to a power supply wire, abnormality control that differs between in the case where the short circuit detector detects that the pair of conductive wires are short-circuited and in the case where the disconnection detector detects that the pair of conductive wires are disconnected.

An electrical architecture that allows power to be transferred to a battery powered machine while the machine is moving and that allows the machine to be charged while stationary.

A three-rail power supply system includes a power supply having positive, negative, and neutral terminals, a rail system having a power supply end and a termination end, and an asymmetric resistor network. The rail system includes a positive rail, a negative rail, and a ground rail coupled to the positive terminal, the negative terminal, and the neutral terminal, respectively. The negative rail is disposed parallel to the positive rail. The ground rail is disposed in parallel to, and between, the positive rail and the negative rail, and is electrically grounded at a plurality of intervals between the power supply end and termination end. The asymmetric resistor network includes two pairs of resistors asymmetrically coupled to the rail system at the power supply end and termination end, and is configured to limit a fault current through a faulty connection in response the positive, negative, and / or ground rails experiencing the faulty connection.

Discussed is a wireless charging system including a wireless charging station installed under the ground on a road and configured to wirelessly transmit power within a predetermined region of the road, and a charge control device configured to control charging of the wireless charging station, wherein the charge control device includes a communication unit configured to communicate with a server to receive whether a power transmission rate for a location of a vehicle when the vehicle is stopped at a chargeable position of the wireless charging station is equal to or greater than a reference value, and a control unit configured to control an operation state of the wireless charging station based on vehicle information and whether the power transmission rate is equal to or greater than the reference value received from the server.

A wireless power transfer system according to the present invention is a wireless power transfer system that performs wireless power transfer by magnetic coupling between a supply device on a ground side and a traveling vehicle, the wireless power transfer system including a control device that controls the wireless power transfer from a power transmission unit of the supply device to a power reception unit of the vehicle, in which the control device sets a time of alignment check to be longer than a time of pairing.

Dynamic energy transfer (DET) systems are costly and time-consuming to install. Accordingly, an installation system is disclosed that comprises stowage for rail segments and poles, two strategically positioned cranes, and / or strategically positioned platforms, to enable less expensive and faster installation of the various components of a DET system. Installation, utilizing the installation system, can significantly decrease the cost of installation, while increasing the rate of installation and maintaining safety.

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.

An electric rail infrastructure for a work machine is disclosed. The electric rail infrastructure comprises: a plurality of powered rails; a plurality of energy interfaces positioned throughout the plurality of powered rails; a power module connected to the plurality of energy interfaces for providing electrical power to the plurality of powered rails; a plurality of electric clamps positioned on each end of the powered rails, each electric clamp having at least one resistor.

A wireless power transfer device includes: a power transmitting resonant circuit including a power transmitting coil and a power transmitting capacitor; a switching circuit switching a state of the power transmitting resonant circuit between a resonant state and a non-resonant state; and a determination circuit determining whether a facing state in which the power transmitting coil faces the power receiving coil or a non-facing state in which the power transmitting coil does not face the power receiving coil is occurring. After determining that either one of the non-facing state and the facing state transitions to the other one, the switching circuit performs switching process to switch from either one of the non-resonant state and the resonant state to the other one within a voltage zero-crossing range including a voltage zero-crossing point and a current zero-crossing range including a current zero-crossing point of the power transmitting coil or power transmitting capacitor.

In this non-contact power supply system during travel, road-side power supply devices provided in a plurality of lanes of a road have a first communication device that performs wide-area wireless communication and a second communication device that performs narrowband wireless communication. The vehicle-side power receiving device is provided with a third communication device that performs wide-area wireless communication, and a fourth communication device that performs narrowband wireless communication. Each of the road-side power supply devices has a sharing means capable of sharing the vehicle-related information acquired by the second communication device from the third communication device with each other, and a determination means for determining the lane on which the vehicle is traveling on the basis of the vehicle-related information shared by the sharing means. A road-side power supply device provided in a lane in which the vehicle is determined to be traveling is paired with a vehicle-side power reception device.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

The purpose of the present invention is to achieve both safety and efficiency at the time of restarting a power transmission process after a power failure by identifying a method for restarting a road-side power supply device after the power failure in the road-side power supply device. A non-contact power supply system while traveling, which supplies power in a non-contact manner from a road-side power supply device to a vehicle while traveling on which a vehicle-side power receiving device is mounted, is characterized in that the road-side power supply device is provided with: a first communication device capable of performing wide area wireless communication with the vehicle-side power receiving device; a second communication device capable of performing narrow-range wireless communication with the vehicle-side power receiving device; and an abnormality determination unit that determines an abnormality in the road-side power supply device, and performs a predetermined operation in the road-side power supply device when the abnormality determination unit determines that the abnormality has occurred.

An abnormality diagnosis method for diagnosing an abnormality of a ground power supply device 2 that transmits electrical power to a vehicle 3 in a wireless manner includes: performing a power supply operation under a plurality of different power supply conditions when the vehicle is located on a power transmission coil 44 of the ground power supply device; and diagnosing an abnormality of the ground power supply device based on a value of a parameter related to power supply detected while the power supply operation is performed under the plurality of different power supply conditions.

An automated storage and retrieval system includes a rail system, at least one vehicle operating on the rail system, at least one charging station on or at the perimeter of the rail system, and a control system. The rail system includes a first set of parallel rails extending in a first direction and a second set of parallel rails extending in second direction. The second direction is perpendicular to the first direction. The at least one vehicle includes at least one power storage source, and a local controller adapted to control movements of the at least one vehicle. The at least one charging station is adapted to be electrically connected with the at least one power storage source of the at least one vehicle. The control system is adapted to communicate with the local controller in the at least one vehicle and the at least one charging station. The control system is further adapted to, upon detecting a failure with the charging station, instruct the at least one vehicle to move to the at least one charging station such that the at least one power storage source of the vehicle electrically connects to the at least one charging station. The at least one charging station is further adapted to, transmit a charger diagnostic to the control system using power from the at least one power storage source of the at least one vehicle.

A modular structure supports elevated rail segments for delivering electrical power to a moving work machine, such as a hauler at a mining site. Opposite ends of a roadside barrier contain complementary tubular couplers arranged vertically. A lower end of a dielectric post positioned in one of the tubular couplers has opposing dielectric plates at an upper end. A top edge of each plate has a creepage concavity between a pair of rail recesses. Another dielectric post of similar configuration is positioned in the other of the tubular couplers. Holes within the couplers and the posts ensure alignment of respective rail recesses in which conductive rails are placed. Dielectric inserts frictionally lock the rails into the rail recesses.

To provide a non-contact power transmission system capable of performing appropriate power transmission to mobiles during moving and stopping.SOLUTION: A non-contact power transmission system 1 comprises a power transmission unit 8, a power transmission power conversion unit 7, and a power transmission side control device 9. The power transmission unit 8 comprises a primary side coil for sending alternating-current power to be transmitted to a power reception device 4. The power transmission power conversion unit 7 comprises a plurality of transistors connected to the primary side coil. The power transmission power conversion unit 7 converts direct-current power supplied from a power supply unit 6 to alternating-current power. When a coupling coefficient is smaller than a predetermined value or a power transmission duration time is equal to or longer than a predetermined first time at the time of power transmission by the power transmission unit 8, the power transmission side control device 9 changes transmission power in decreasing tendency toward zero depending on a lapse of time until power transmission stop.SELECTED DRAWING: Figure 2

The application discloses a power rail and a control method thereof. The power rail comprises a track, the track has an interruption area at a position of a warehouse door, the track comprises two track sections located on two sides of the interruption area, and the track further comprises transition devices, the transition devices comprise two transition assemblies respectively arranged on the outer sides of the two track sections; the transition assembly comprises a transition rail and an expansion mechanism, the transition rail and the expansion mechanism can slide towards or away from the interruption area along a direction parallel to the track section, the transition rail is located between the track section and the expansion mechanism, and the expansion mechanism is used for driving the transition rail to move back and forth in a direction perpendicular to the track section, so that the two transition rails and the two track sections can be connected to form a continuous current collection surface. The power rail is provided with the transition devices, the sliding and expansion of the transition rails are controlled, the current collection surface of the power rail at the interruption area is a continuous surface, the current collection shoe can smoothly pass through, the pulling arc and noise between the shoe rails are effectively reduced, and train vibration can also be reduced.

To provide a contactless electric power transmission system capable of performing appropriate power transmission by independent communication control and power control on the power reception side.SOLUTION: A contactless electric power transmission system 1 comprises an electric power reception device 4 and a controller 17. The electric power reception device 4 receives electric power transmitted contactlessly between itself and an electric power transmission device 2. In a coupling section in which a degree of coupling between a primary side coil of the electric power transmission device 2 and a secondary side coil of the electric power reception device 4 is equal to or larger than a predetermined degree, the controller 17 sets communication sections in which the degree of coupling is relatively small and electric power transmission sections in which the degree of coupling is relatively large. When the secondary side coil exists in the first communication section of the coupling section, the controller 17 transmits information on electric power transmission in the electric power transmission section from the electric power reception device 4 to the electric power transmission device 2 by using communication between the electric power transmission device 2 and the electric power reception device 4.SELECTED DRAWING: Figure 1

This power supply device is provided with: a power supply line that is disposed along a movement path of a plurality of moving bodies and that supplies power to the plurality of moving bodies; a power supply device connected to the power supply line and supplying power to the power supply line; and a control system that controls the power supply device. A control system is provided with: a moving body number information acquisition unit that acquires moving body number information indicating the number of moving bodies in a power supply region, which is a region in which a power supply line is disposed in a movement path; and a control execution unit that executes supply power variable control for reducing power supplied from the power supply device to the power supply line in accordance with a decrease in the number of moving bodies in the power supply area on the basis of the number of moving bodies information. Power supplied from the power supply device to the power supply line is increased in response to an increase in the number of moving bodies in the power supply area.

The invention relates to a charging station for trolley vehicles, in particular trolley buses, comprising contact means (06) for contacting metallic contact surfaces (07) of a current collector head (02) of a current collector (03), wherein the contact means (06) of the charging station (01) are arranged and designed such that they contact the current collector head (02) on contact surfaces (07) outside a central contact shoe (04) of the current collector head, preferably on outer side surfaces of the current collector head (02). According to the invention, it is provided that the contact means (06) comprise at least one leaf spring element (08) which is arranged and designed such that when the contact surfaces (07) are contacted by the contact means (06), it directly rests on the contact surfaces (07) and at least a part of the leaf spring element (08) is deformed against a restoring force and pressed against the contact surfaces (07).

To provide a power supply station which can guide a stop position of an electrically-driven mobility so as to improve efficiency of power transmission while enabling power to be supplied in a non-contact manner to the electrically-driven mobility via a power supply coil.SOLUTION: A power supply device 11 of a power supply station 2 comprises: a power supply coil 32 which supplies power to a power reception device 21 of an electrically-driven mobility 3; a power supply circuit 31 which supplies AC power to the power supply coil 32; and a control circuit 34 which controls the frequency and voltage of the AC power. The control circuit 34 executes via a notification unit 12 notification for guiding a stop position of the electrically-driven mobility 3 to a housing 10 so as to improve efficiency of power transmission to the power reception device 21 from the power supply device 11 according to the frequency of the AC power supplied to the power supply coil 32 in a case where the output voltage from the power reception device 21 becomes constant or the voltage of the AC power supplied to the power supply coil 32 in a case where the output voltage from the power reception device 21 becomes constant and becomes prescribed voltage.SELECTED DRAWING: Figure 1

The application discloses a fastener plate lower anti-stray current system, which realizes the increase of the creepage distance of the fastener system, the reduction of the surface contaminant accumulation and the prevention of the internal conductive path from being penetrated by dust, oil and water and other contaminants, thereby making the fastener system have good insulation performance during long-term use. In the application, a plate lower insulation plate with good insulation performance is arranged under the iron pad plate to realize the electrical isolation between the upper iron part of the fastener and the track bed, and the insulation coating with good insulation performance and elasticity is sprayed on the surface of the fastener to realize the filling and sealing of the gaps of the components on the upper part of the fastener, thereby preventing the decrease of the overall insulation performance of the fastener caused by long-term use. The scheme is basically consistent with the installation of the general fastener, does not increase additional processes, and will not be obviously affected by any subsequent rail adjustment, and is suitable for large-scale construction.

To make compatible safety and efficiency in restarting a power transmission process after power failure by making clear a restarting method of a road-side power supply apparatus after recovery from a disaster in a case where the disaster occurs.SOLUTION: A system for non-contact power supply during traveling supplies power in a non-contact manner from a power transmission device in a road-side power supply apparatus to a traveling vehicle on which a vehicle-side power reception apparatus is mounted. The road-side power supply apparatus comprises: a first communication unit capable of executing a wide-range radio communication with the vehicle-side power reception apparatus; a second communication unit capable of executing a narrow-range radio communication with the vehicle-side power reception apparatus; a power transmission control section which controls the power transmission device; and an abnormality determination section capable of determining occurrence of an abnormality. When a disaster is determined, the abnormality determination section turns on a disaster flag and notifies the power transmission control section of it. The power transmission control section stops a power supply operation by the transmission device in a case where it is determined that the disaster flag is turned on, and causes the road-side power supply apparatus to execute a predetermined operation in a case where it is determined that the disaster flag is turned off.SELECTED DRAWING: Figure 9

A wireless power transmission system according to the present invention is provided with: a supply device having a primary coil provided on a road; a vehicle having a secondary coil that receives power transmitted in a non-contact manner from the primary coil; and a server communicably connected with the supply device and the vehicle through wide area wireless communication, in which the supply device transmits identification information of the supply device to the server before receiving a signal from the vehicle through narrow area wireless communication, and the server transmits the information of the supply device to the server based on the identification information of the supply device and information of the vehicle. A compatibility list comprising a combination of a compatible supply device and a vehicle is transmitted to the supply device, and the supply device pairs with the vehicle on the basis of the compatibility list when receiving a signal from the vehicle by narrow-range wireless communication.

A coil device includes a main unit in which a coil that wirelessly transmits or receives electric power is accommodated in a main housing fixed to an installation target, and a sub-unit in which an electrical function unit that provides the main unit with an electrical function performed by at least one of an electric component and an electronic component is accommodated in a sub-housing detachably configured to be attached to the main housing. The main unit includes an accommodation portion that detachably accommodates the sub-unit.

To clarify how to resume a road-side power supply device after power outage of the road-side power supply device, and thereby achieve both safety and efficiency in resuming a power transfer process after the power outage.SOLUTION: A non-contact power supply system during traveling supplies power in a non-contact manner from an a road-side power supply device to a vehicle during traveling mounted with a vehicle-side power receiving device. The road-side power supply device includes: a first communication device that can perform wide-range wireless communication with the vehicle-side power receiving device; a second communication device that can perform short-range wireless communication with the vehicle-side power receiving device; and an abnormality determination unit that determines an abnormality of the road-side power supply device. When the abnormality determination unit has determined an occurrence of the abnormality, the road-side power supply device is caused to perform a predetermined operation.SELECTED DRAWING: Figure 9

In a wireless power transfer apparatus, a characteristic adjuster has a frequency characteristic that causes, in a power transfer mode from at least one power transmission unit to a power receiving apparatus, a resonant power transmission circuit to have a resonance frequency that substantially matches an operating frequency. The reactance of a power transmission coil has a reference value in the power transfer mode. The frequency characteristic of the characteristic adjuster causes, in a power non-transfer mode from the at least one power transmission unit to the power receiving apparatus, a reactance of a power transmission coil to become an adjusted value that is higher than the reference value.