119results about "Vehicle energy devices" patented technology

A train integrity network system comprises bogie units which monitor critical parameters relating to the condition of bogie components and the rail track they are travelling on, an onboard server which controls the bogie units and a wireless network which enables communication between the server and the bogie units. Each bogie unit is powered by an electrical generator which utilises the rotation of the bogie wheels and has a processor which compares the critical parameters against defined standards in order to issue alerts to the train driver. The wireless network utilises master/slave base band role switching, has store-and-forward nodes which convey quasi real time data to the server and utilises frequency hopping modes.

A marine power system comprises a motor for providing propulsion. It also comprises an energy storage unit (ESU) for storing and supplying energy to the motor. A prime power system is connected to the ESU and motor for selectively providing energy to these subsystems through a bus. The motor selectively receives energy from the prime power system and the ESU and can supply regenerative braking energy to the bus. The system can also accommodate multiple generator sets providing system power. The ESU can also provide starting power for the prime power system. Alternately, the prime power system drives a mechanical power system output shaft connected to the motor, and the marine system comprises an alternator driven by the prime power system output shaft. The ESU can transmit energy to the alternator. The prime power system can be located on a tugboat displacing a barge carrying the energy storage unit.

A backup power system is connected in parallel to a load which is powered via a power line connecting that load to a main power source, such as a utility. The backup system includes a generator/condenser unit that is coupled to a flywheel unit to maintain the flywheel of that flywheel unit rotating at a preset speed during normal power system operation and is also connected to a thermal engine to supply power to the load via the generator/condenser unit when there is an interruption of power from the main power source. A shaft coupling unit slidably couples the generator/condenser unit to the flywheel unit. The shaft coupling unit includes a slip plate. Part of the shaft coupling unit rotates in accordance with the operation of the generator/condenser unit, while with the slip plate rotates in accordance with the flywheel of the flywheel unit. Rotation of the generator/condenser unit is monitored by a sensor and rotation of the flywheel is also monitored. A circuit generates a signal which activates the thermal engine when rotational speed of the generator/condenser unit differs from rotational speed of the flywheel by a preset margin.

The invention discloses a railway wagon axle end disk-type permanent magnet generation device. By the aid of the structural characteristics of a rapid freight transport bogie with an axle box device, an axle end pressing plate and an axle box cover structure are changed without changing the size and the mounting mode of an existing bearing, and the permanent magnet generation device is mounted in the rapid freight transport bogie. The permanent magnet generation device is provided with a single stator-rotor disk-type structure, a permanent magnet is used for excitation, the structure is simple, an axle box is small in size, and a rotor is connected with an axle end through screws. When a wagon runs, an axle rotates, and the generation device generates electric energy. The supply power of the generation device can meet the electricity demands of an electronic anti-skid device for a disk brake of the bogie and an online monitoring system for a running gear. The axle end disk-type permanent magnet generation device is integrally sealed in an axle box end cover and is resistant to impact vibration, hermetic, dustproof and waterproof, and a stator device and a rotor device are easily arranged and conveniently mounted and dismounted.

Axle-driven generator for railway carriages and the like, consisting of at least one axle-driven generator, the rotor of which is rotationally engaged with the wheelset shaft and the stator housing of which is secured to the housing. In order to support a large, powerful axle-driven generator, it is provided that the axle-driven generator is placed between the wheel discs directly on the wheelset shaft and said wheelset shaft passes through the axle-driven generator.

The invention relates to a rail-traffic regenerative-braking-energy comprehensive recovery and utilization device and method. The rail-traffic regenerative-braking-energy comprehensive recovery and utilization device is provided with an alternating voltage detecting module, a direct voltage detecting module, a logical control unit, a flywheel energy storage system and an inverter. The flywheel energy storage system conducts action to provide electric energy for or absorb electric energy from a traction network direct current bus according to the magnitude of a traction network direct current bus voltage value and a self SOC value state; and the inverter determines whether traction network direct current bus voltage is absorbed or not by combining the magnitude of the traction network direct current bus voltage value and the SOC state of the flywheel, if the feedback power of the inverter is relatively small, the power is fed back to a low-voltage alternating-current power supply network, and if the feedback power of the inverter is relatively large, the power is fed back to a power distribution network. According to the rail-traffic regenerative-braking-energy comprehensive recovery and utilization device and method, the quality of power-grid electric energy is prevented from being reduced after an inverter feedback device is used, by combining the infinite-capacity continuous working characteristic of the flywheel energy storage system, a part of energy which cannot be absorbed by the flywheel energy storage system after the flywheel energy storage system is fully charged is absorbed, rail-traffic train regeneration is prevented from automatically losing efficacy, and energy conservation is obvious.

An electrical power generation system comprises a variable capacitor and a power source. The electrical power generation system is configured to generate electric power via movements of the rail. The power source is used in the form of a generator to prime the variable capacitor that effectively multiplies the priming energy of the power source by extracting energy from the passing vehicle. By alternately priming the variable capacitor using charge from the power source and discharging it at a later time in a cyclic manner to change the capacitance, a significantly large amount of electrical energy is produced due to change in capacitance than from the power source itself.

An electrical generator powered by the rotation of a central shaft. A gear train rotates with respect to the central shaft and is in operable connection to a generator for producing electrical energy. The shaft can be rotated by falling weights connected to longitudinal arms. Alternatively, a motor can be used to rotate a relatively large wheel in operable connection with the series of gears or gear train. Additionally, the shaft can be rotated by a renewable energy source, such as wind or water.

In an electrical power system of a diesel powered system having at least one diesel-fueled power generation unit, the electrical power system having a synchronous machine including a field winding being coupled to the diesel-fueled power generation unit, a battery for selectively providing a starting current during a starting mode of the electrical power system, and an inverter receiving the starting current for driving the synchronous machine and generating an inverter current, a circuit and method for reducing a voltage being developed across the field winding is described. The circuit includes a current conditioner for conditioning the inverter current and a parallel circuit interposed between the inverter and the current conditioner comprising a first branch including a resistance and a second branch including the field winding of the synchronous machine so that the parallel circuit is isolated from a voltage developed across the current conditioner during cranking.

The invention discloses an operation data acquisition and transmission system and method for a rail train, and belongs to the technical field of rail train operation control. Operation data of the rail train is automatically acquired through a plurality of sensor nodes arranged on the rail train and transmitted to a gateway, and no manual participation is required in the whole process, thereby reducing the human resource input for monitoring the operation condition of the rail train; a controller can control corresponding sensor nodes to enter a sleep state when the rail train is in a non-operating state or when the voltage of a rechargeable energy storage element is detected to be less than or equal to a preset voltage threshold, thereby reducing the power consumption of the sensor nodes;in addition, the sensor nodes can also enter the sleep state after completing the transmission of one time of the operation data together, so that the energy-saving mode provides energy guarantee formonitoring the operation condition of the rail train, prolongs the service life of the sensor nodes, and effectively reduces the maintenance cost of the rail train.

The invention provides a bogie of a railway vehicle and an axle-head power generation assembly of the bogie. The axle-head power generation assembly comprises a power generator and a belt tension mechanism. The power generator is hung on a framework of the bogie and is connected with an axle by a belt, and the belt tension mechanism is arranged below the framework, is capable of longitudinally deforming and is longitudinally blocked between the power generator and a guide frame of a side bracket of the bogie in a pre-compression state, so that tension force can be provided for the belt. The bogie and the axle-head power generation assembly have the advantages that the axle-head power generation assembly is arranged below the framework of the bogie, without occupying spaces above the framework and is simple in structure, small in occupied space and little in influence on the structure of the framework of the bogie, and design parameters of the vehicle can be optimized; the belt tension mechanism is longitudinally blocked between the power generator and the guide frame of the bogie in the pre-compression state, the belt tension force which can vary along with conditions of the vehicle can be provided for the belt, and the bogie and the axle-head power generation assembly are simple in structure and small in occupied space and can assist in optimizing the design parameters of the vehicle.

A brake energy recovery module for an electric vehicle. The electric vehicle includes a motor module and a battery module. The brake energy recovery module includes a first detecting unit, a signal decoder, a power converting unit and a control unit. The first detecting unit is electrically connected to the motor module to detect a first voltage of the motor module. The signal decoder generates a first signal and a second signal according to plural operation signals of the motor module. The power converting unit is electrically connected to the motor module and the battery module. The control unit is electrically connected to the first detecting unit, the signal decoder and the power converting unit. The control unit controls the power converting unit to adjust the first voltage to provide the battery module with a second voltage according to the first voltage, the first signal and the second signal.

A bulk energy storage device for an energy source. The energy storage device includes a circular or conveyor, such as a rail track, which may be formed with slopes. An electrical conductor, such as a third rail or overhead electric cable, connects to an electric grid. Coupled masses, such as rail cars, which travel on the conveyor, have motor/generators that are electrically connected to the conductor. The coupled masses can be raised on a magnetic field and driven by a linear electric motor having a stator embedded in the track and a rotor attached to the undersurface of the masses. Power from the grid is drawn via the third rail to propel and store energy in the ring of masses. When the grid needs to draw power from storage, the linear motor acts as a generator, supplying power to the grid by converting mass momentum into electric power.

The invention relates to the technical field of high-speed train braking, and particularly discloses a high-speed train wind resistance brake energy conversion device and a high-speed train. The high-speed train wind resistance brake energy conversion device comprises wind resistance plates, a drive device and wind power generation devices, the wind resistance plates are arranged at the ends of compartments of the train and can stretch and retract relative to the compartments of trains, the drive device is used for driving the wind resistance plates to stretch and retract, the wind power generation devices are arranged on the wind resistance plates and used for converting wind resistance brake energy into electricity energy during brake of the train and transmitting the electricity energy to train circuits, and the high-speed train comprises the high-speed train wind resistance brake energy conversion device. By means of the device and the train, air power resistance can be used for braking the train and converting wind energy into the electricity energy.

Various methods and systems are provided for an auxiliary power unit. In one embodiment, an auxiliary power unit comprises a plurality of independent modules configured to be installed in respective different locations within a rail vehicle or other vehicle. Each module of the plurality of independent modules is configured to carry out one or more respective functions of the auxiliary power unit for providing auxiliary power in the vehicle.