102results about How to "Flexible power supply" patented technology

The invention provides a computer, a computer power supply control device and a power supply control method. The device comprises a monitoring unit, a judging unit and a control instruction generating unit, wherein the monitoring unit is used for acquiring state information of one power consumption component in the computer, and the state information of the power consumption component comprises aworking state and an idle state; the judging unit is used for comparing the idle state duration time with a preset threshold time when the state information is in the idle state, and generating a comparison result when the idle state duration time is equal to or greater than the preset threshold time; and the control instruction generating unit is used for generating a control instruction for controlling the power failure of a host power supply according to the comparison result, and the host power supply stops supplying power to the power consumption component based on the control instruction. By using the technique provided by the invention, the power supply of the power consumption component can be thoroughly cut off in the idle state so that the whole computer system can save electricenergy so as to realize timely and flexible power failure according to the state of the power consumption component and improve the power supply efficiency of the system.

The invention discloses a moveable charging method for orderly charging multiple static electric cars, which includes steps that a user sends a charging request; a main control system receives the charging request command and sequences the charging; the main control system sends an order charging command to a charging system; the charging system receives the charging command and then transmits toan automatic navigation car; the automatic navigation car is driven to an electric car to be charged and charges it. The invention further discloses a moveable charging system for orderly charging multiple static electric cars, which comprises the automatic navigation car, a moving positioning platform, a battery storage silo, a battery access machine arm, an alternating current power supply plug,a power supply switch, a charging machine arm, a charging plug, a main control unit, a communication unit, and a measuring unit. The moveable charging system and method have the beneficial effects ofgreatly reducing construction of charging piles, reducing impact on a power distribution network and saving huge reform cost of the power distribution network.

The embodiment of the invention discloses an online charging supplying device and method for a patrol unmanned aerial vehicle. The online charging supplying device comprises a control base station anda grouping control circuit, wherein the control base station is connected with an energy storage charging circuit through the grouping control circuit, and a push-pull inverter circuit, a full-bridgeuncontrollable rectifier circuit and a BUCK circuit are arranged in the energy storage charging circuit; and the output end of the push-pull inverter circuit is coupled with a first resonance coil through a transmitting coil, the first resonance coil is connected with a second resonance coil through magnetic coupling, and the second resonance coil is connected with the full-bridge uncontrollablerectifying circuit through a magnetic coupling receiving coil. According to the system, a dynamic tuning branch is adopted for compensating the change of the original-stage inherent resonant frequencyof the system, the resonance of the primary emission coil of the system is realized while the working frequency of the system is ensured to be constant, and therefore the power transmission capability of the whole coupling mechanism is improved; and the unmanned aerial vehicle can flexibly supply electric energy through the electromagnetic induction technology, so that the cruising ability of theunmanned aerial vehicle is improved.

The invention provides a device for measuring a class of discontinuous parameters of a solid rocket engine. The device for measuring the class of discontinuous parameters of the solid rocket engine comprises a case, an input panel with an input interface socket, a power supply switch and state indication, an output panel with an output interface socket, a power supply socket and a power supply diverter switch, a power supply patch core and a circuit board. A current limitation circuit of the circuit board is formed by connecting n channel measuring circuits in parallel and then connecting the n channel measuring circuits with a total current limitation resistor R0 in series. A power supply indication circuit of the circuit board is formed by connecting an ordinary luminous diode L and a power supply indication circuit resistor R1 in series. A single channel measuring circuit is formed by connecting a highlight luminous diode Li, a single blade switch K and a one-way shunting resistor R in series. According to the device for measuring the class of discontinuous parameters of the solid rocket engine, the luminous diode is used for observing each line of signals, current limiting measures are adopted to ensure that the current of each line of the signals is in the milliampere level, a BNC contact is used for unitizing and simplifying the switch over links, two power supply modes which are a battery mode and a power supply mode are provided, and therefore measurement of the class of discontinuous parameters in a solid rocket engine test can be achieved.

The embodiment of the invention provides a terminal device. A control unit is connected with a first function unit group, a second function unit group, an energy storage unit and an emergency power supply unit; the first function unit group is used for realizing a mobile communication function of the terminal device; the second function unit group is used for realizing a non mobile communication function of the terminal device; the control unit is used for determining whether the terminal device is in a first state or a second state, when the control unit determines the terminal device enters the first state, the energy storage unit is controlled to provide power for the first function unit group and the second function unit group, and when the control unit determines the terminal device enters the second state, the emergency power supply unit is started to provide power for the first function unit group. Through adopting power supply means in different modes, the device can be applied to multiple working situations, power can be first ensured to be provided for the first function unit by the device in an emergency situation, and the use demands of the user can be met.

The invention discloses a method and a device for power supply for locomotive running in an electric locomotive shed based on trolley conductors. The trolley conductors are arranged above electric locomotive rails in the shed, an intelligent control cabinet is arranged on a current collection trolley for the trolley conductors, a ground power distribution room provides an alternating-current 380V or direct-current 600V power source to be accessed to the trolley conductors, the intelligent control cabinet is led in the power source from the trolley conductors, and power is transmitted to an electric locomotive vehicle-mounted power source socket through a power transmission line so that an electric locomotive is powered. Compared with conventional cable power supply, the method and the device have the advantages of high efficiency, convenience in mounting and movement and capability of achieving individual operation.

The invention discloses a new energy vehicle unmanned driving automatic-butting-type energy storage charging device. The new energy vehicle unmanned driving automatic-butting-type energy storage charging device comprises an unmanned driving charging vehicle body, a charged vehicle and a remote control terminal; and the vehicle tail of the charged vehicle is provided with a charging port, vehicle lamps are mounted on the two sides of the vehicle tail of the charged vehicle correspondingly, a radar is mounted on the upper surface of the unmanned driving charging vehicle body, a guiding hole is formed in the position, corresponding to the charging port, of the vehicle head of the unmanned driving charging vehicle body, a guiding column is inserted into the guiding hole, one end of the guidingcolumn is exposed outside the guiding hole, and the circumferential exterior of the exposed part of the guiding column is connected with a compensation spring in an inserted mode. The magnetic attraction mode is replaced with a photoresistor mode, only a photoresistor pair is completely aligned with the vehicle lamp remote control terminal, a charging signal can be received, when the photoresistor pair is completely aligned with the vehicle lamp, a charging plug is aligned with the charging port, and thus alignment is more convenient without deviation.

The system thereof comprises: a power supply at central office end for providing power for remote power consumer at remote end. Said power supply comprises: central office monitoring module and central office power module. A remote end monitor is set in the remote power consumer. Said remote end monitor monitors the on-line state of said remote power consumer, and sends the monitor signal to said central office monitor module. By the monitor signal from the remote monitor, the central office monitor module controls the central office power supply module to provide power for the remote power consumer.

The invention relates to a hybrid AC/DC power distribution network coordination optimization method based on two-stage stochastic programming. A hybrid AC/DC power distribution network two-stage stochastic programming scheduling model considering wind power output uncertainty is established. The method comprises: firstly, establishing power flow models of an alternating current network, a direct current network and a voltage source type converter in a hybrid power distribution network; secondly, constructing a simplified scene set for describing the uncertainty characteristic of the real-timeoutput of the wind power by combining a scene generation and reduction technology; and finally, establishing a hybrid AC/DC power distribution network optimization model based on two-stage stochasticprogramming, and converting the nonlinear optimization problem into a mixed integer second-order cone programming problem for solving. The method can be applied to making a scheduling decision of thehybrid AC/DC power distribution network comprising a wind turbine generator, a converter station and an energy storage device, and is beneficial to improving the effectiveness of a scheduling scheme in an uncertain operation environment.

The invention provides a mobile terminal and a mobile terminal power management method. The mobile terminal includes a plurality of functional modules and a battery. The battery comprises a plurality of electrode contact groups; and each of the functional module is connected to at least one electrode contact group of the battery. The mobile terminal and the mobile terminal power management method solve the problems of inflexible terminal power supply path and complex power supply circuit, and realize flexible and effective power supply to each function module by the terminal battery.

The invention relates to a parallel control system and method for a diesel generator power supply and distribution system. The system comprises a plurality of diesel generators which are connected toa programmable logic controller PLC, the output end of each of the diesel generators passes a generator outlet circuit breaker and a parallel wire inlet circuit breaker to be connected to two parallelbuses, a contact breaker and an isolated handcart are set between the two parallel buses, the two parallel buses are connected to two corresponding mains supply buses through a parallel output circuit breaker and a mains supply side wire inlet circuit breaker, a contact circuit breaker and an isolated handcart are set between the two mains supply buses, the two mains supply are connected to 10kVmains supply through a main wire inlet circuit breaker, wire outlet sides of the two mains supply buses pass a wire outlet circuit breaker and then feed a load, and a common end of the diesel generator is connected to a grounding resistor and is grounded. Compared with the prior art, the invention has the advantages of flexible control, energy saving and low cost.

The invention relates to an embedded wireless intelligent sensor for geotechnical engineering monitoring. The embedded wireless intelligent sensor is mainly characterized in that the embedded wireless intelligent sensor comprises a sealing box and an internal sensor circuit; the sensor circuit comprises a collecting and controlling unit, a wireless transmitting module, a power source managing unit, a storage battery and a monitor interface unit. The collecting and controlling unit is connected with the wireless transmitting module, the monitor interface unit and the power source managing unit respectively; the wireless transmitting module is connected with a field server through antennas mounted on the sealing box to realize a function of wireless transmission; and the monitor interface unit is connected with a monitor. The embedded wireless intelligent sensor is reasonable in design, realizes functions of automatic data collection and transmission for geotechnical monitoring, has the characteristics of high automaticity, convenience in networking, low cost and the like, can be widely used in the fields of stability monitoring on natural rock mass geography, side slope and support in ground works, underground tunnels and construction works.

The invention discloses an electrical circuit current detection method based on a magnetometer sensor. The magnetometer sensor, a microcontroller, a radio frequency transceiver, a system-level package, a fixing device and a power supply unit are provided; the non-access type monitoring can work by only adopting an external adherent fixing way without changing a tested circuit; the current is indirectly measured by utilizing a magnetic measurement method, the electric leakage can be monitored, and the electro-current size can be analyzed; through the method disclosed by the invention, the structure is compact, so that the required equipment is small in volume, light in weight, less in module, simple in structure and incapable of causing additional space and weight burden, and a mounting step of interconnecting debugging modules is saved; the mounting precision is high, and the measurement accuracy is ensured; the equipment power consumption is greatly reduced, the power supply is flexible, the equipment can stably work for a long time, and especially suitable for the temporary electricity utilization or mobile electricity utilization occasion; the whole product adopts the system-level package technology, and is in favor of batch production and capable of reducing the cost.

The invention relates to a small floating nuclear energy system and a propulsion and power generation method thereof. The system includes a ship, and a cooler, a first compressor, a first heat regenerator, a turbine, a nuclear reactor, a propeller, a first transmission mechanism, a generator and a second transmission mechanism which are arranged on the ship; the cooler includes a first cold side channel which can connect an extraneous cold source and a first hot side channel in heat exchange with the first cold side channel; the first heat regenerator includes a second cold side channel and asecond hot side channel in heat exchange with the second cold side channel; the turbine is connected to the propeller; the first transmission mechanism is arranged between the turbine and the propeller; the turbine is connected to the generator; and the second transmission mechanism is arranged between the turbine and the generator. The system has advantages of being compact in structure, small insize, strong in supply capability, wide in supply scope and low in supply cost.

The invention discloses a boost power supply controller for a carrying spacecraft. The boost power supply controller at least comprises M boost circuits and a bus filter unit, wherein the M boost circuits are used for converting output voltages of N storage batteries into required voltages; M is a natural number greater than 1; an output positive terminal of each storage battery is connected with a battery bus bar through a battery input relay; each battery bus bar is electrically connected with an input positive terminal of at least one boost circuit; a positive power output terminal for of each boost circuit is connected with a same bus bar; negative power input and output terminals of all boost circuits all are electrically connected with a negative bus bar; the bus filter unit is used for filtering a high-frequency signal and a low-frequency signal on a bus; the bus filter unit comprises a hall sensor, a bus high-frequency capacitor and a bus low-frequency capacitor, which are sequentially connected with one another; the hall sensor is used for detecting a current between the bus bar and the positive terminal of the bus high-frequency filter capacitor; and the bus low-frequency capacitor is electrically connected with each load power supply interface through each load output relay.

The invention discloses a power supply system for a refrigeration container in a railway storage yard. The power supply system comprises a power supply pile arranged on the floor at the edge of the railway storage yard, and further comprises a container power supply conversion switch, a container power supply socket and a power supply pile power supply socket which are arranged on the side surfaceof the bottom of the first layer of container side by side, wherein two or multiple layers of containers can be stacked at the top of the first layer of container according to a matching result of the area of the railway storage yard and the number of containers on a train; and container power supply conversion switches, container power supply sockets and power supply pile power supply sockets are arranged on the side surfaces of the bottoms of the two or multiple layers of containers side by side. According to the power supply system for the refrigeration container in the railway storage yard, a "one pile to two box" or "one pile to multiple boxes" power supply mode that charging pile supplies power to the containers and/or the charging pile supplies power to the first layer of containerand the first layer of container supplies power to the two or multiple layers of containers is realized, so that a refrigeration container power supply scheme is optimized, which makes the power supply mode for refrigeration containers is more flexible, and the power supply fault rate is reduced.

The invention relates to a wireless power distribution system applied between joints of a reconfigurable space mechanical arm. The system comprises wireless energy receiving ends and wireless energy transmitting ends which are disposed in joints of the reconfigurable space mechanical arm and are connected to each other, a first joint is only provided with a wireless energy transmitting end, and alast joint is only provided with a wireless energy receiving end. The wireless energy transmitting ends perform high voltage transformation based on the high frequency inverter technology and providehigh frequency energy to the wireless energy receiving ends, the wireless energy receiving ends receives the high frequency energy and performs voltage adjustment by using the rectification technologyto realize the voltage regulation control of the rectification and signal acquisition. The wireless energy transmitting end of a previous joint and a wireless energy receiving end of a next joint intwo adjacent joints perform wireless electric energy transmission through electromagnetic inductive coupling while performing data exchange through wireless communication, therefore, the electric energy transmission and data exchange are performed through a wireless mode between the joints, the access of a plug-in is not needed, the space mechanical arm is easily reconstructed, and the flexibilityof the mechanical arm joints is improved.

The invention relates to a safety control method and system for an overhead line system isolating switch monitoring system. A digital communication remote control locking function avoids a possibilitythat an overhead line system isolating switch malfunctions due to an unsatisfactory field operation condition. The remote control locking function is introduced by a centralized monitoring device ona centralized monitoring screen. The presence or absence of a blocking signal is identified by a locking entry point opening and closing combination. The centralized monitoring device sends a virtuallocking remote signal point status to an isolating switch RTU (Remote Terminal Unit) through a GOOSE network, dispatches and sends an unlocking signal, and achieves directly unlocking in order that the RTU is not controlled by the locking signal, thereby greatly reducing the probability of maloperation. The centralized monitoring device, dispatching, and the comprehensive background are all in parallel position, and all communicate with the isolating switch RTU directly, and the isolating switch RTU is a direct control RTU device. The scheme of reducing fault points can prevent the isolating switch operation failure and telecommand false alarm.

The invention discloses an integrated three-axis acquisition and storage device for low-frequency environment vibration signals. The device is assembled in a modular manner, and each functional part is relatively independent. The device is packaged into an integral structure, is internally provided with a plurality of sensors, integrates three-axis sensing, acquisition, storage and power supply, and is used for realizing synchronous acquisition of weak environment vibration signals in three orthogonal directions. The device has the advantages of being small in size, light in weight, movable and portable, the single device can independently complete the whole process of data collection at the designated measuring point of a structure, no human intervention is needed except for moving the measuring point in the testing process, complex wire equipment connection wiring and consumption of a large number of related human resources in the field testing process are effectively avoided, and meanwhile, the equipment can realize unattended long-term monitoring under the condition of an external power supply.

The invention provides a modularized magnetic type wireless monitoring system and method. The system comprises a server unit and at least one acquisition unit, the server unit is in communication connection with each acquisition unit, and the acquisition unit is a single acquisition node or an acquisition node group; wherein the single acquisition node or the acquisition node group comprises a magnetic type acquisition module, the magnetic type acquisition module comprises a main module, an acquisition function module and a communication module, and the main module controls the acquisition function module to acquire a monitoring signal according to a received acquisition task and uploads the monitoring signal through the communication module. The acquisition unit is small in size and easy to deploy, and the modular structure is easy to upgrade, replace and expand. The system networking is flexible, long-term power supply of the acquisition unit is ensured, parallel wiring is reduced, and corresponding functional modules can be flexibly replaced according to different functional requirements so as to monitor different types of signals.

The invention relates to a ground comprehensive wire slot structure which comprises a base (1) and a cover plate (2), and is characterized in that the two sides of the base (1) are respectively provided with a bearing frame (3); the lower parts of the bearing frames (3) and the base (1) form an easy-assembly/disassembly connection structure through a positioning accessory (5); the upper parts of the bearing frames (3) and the cover plate (2) form an easy-assembly/disassembly connection structure; and an easy-assembly/disassembly closed structure is defined by the base (1), the cover plate (2) and the bearing frames (3), is positioned between the two bearing frames (3), and is divided into a strong-current wire slot (6) and a weak-current wire slot (8) by a support partition plate (4) arranged in the closed structure. Through the invention, the ground comprehensive wire slot structure can directly bear the load, or can be changed freely and flexibly through the cover plate and randomly combined, arranged and fixedly mounted according to the site situation, thereby being very simple and convenient; and moreover, the power can be flexibly gotten, and measures for shielding interference and the like are taken on the intersection laying positions.