154 results about "Remote power" patented technology

The present application relates to the technical field of data processing, and particularly relates to a power monitoring method and system for remote electric energy meter, the method comprising: constructing a time series factor graph model with voltage and current phasor as hidden variables and original electric parameter data as observation nodes; performing synchronous compression wavelet transform on current phasors in the electric energy state sequence to generate a time-frequency energy distribution graph and obtain a monitoring feature vector sequence; inputting the monitoring feature vector sequence into a deep auto-encoder pre-trained on normal power consumption working condition data to calculate a reconstruction error, simultaneously calculating a Lyapunov index of the sequence within a preset time window, and obtaining a negative log-likelihood probability according to a pre-established Gaussian mixture model describing the distribution of the index under normal working condition; and weighting and fusing the reconstruction error and the negative log-likelihood probability to generate a comprehensive abnormality index for judging power consumption events. The present application can realize high-precision and low-false-alarm-rate detection of power consumption events.

An apparatus for use in drywall plastering, and more specifically for applying a pumpable finishing compound to a surface, is disclosed. The apparatus comprises a receptacle for storing the pumpable compound, an applicator for applying the compound to a surface or feature to which the compound is to be applied, a pump for pumping the compound from the receptacle to the applicator for application to the surface or feature, an electric motor which drives the pump, a battery that powers the electric motor, and a conduit through which the compound is pumped from the receptacle to the applicator, and the receptacle, pump, motor and battery of the apparatus may be able to be worn by a user, or carried on a part of the user's body, while the apparatus is in use for applying the compound to the surface or feature. The apparatus is self-contained and self-powered, and it can consequently operate in an “untethered” manner in the sense that it does not require any power cables extending from the apparatus to a remote power outlet or generator, and there is no need for any hoses or the like to deliver finishing compound, or compressed air, or anything like that, to the apparatus while it is in use.

The invention discloses an optical fiber energy supply system and method for a measuring instrument and an optical energy conversion power supply, the optical fiber energy supply system comprises a power utilization end, and the power utilization end comprises a photoelectric conversion module, a far-end electric energy conversion module, a power supply monitoring module and an optical energy transmission control module. The photoelectric conversion module is used for converting optical energy input by an optical fiber into electric energy to obtain a first power supply, the far-end electric energy conversion module is used for converting the first power supply into a second power supply to serve as a working power supply of a load, and the power supply monitoring module is used for monitoring electrical parameters of the first power supply and the second power supply; and the light energy transmission control module is used for controlling the output power of the photoelectric conversion module to be maintained in a maximum power point and a low-resistance state specific stable region by adjusting the electrical parameters of the second power supply when the output of the second power supply is not smaller than the starting voltage value. The output power of the photoelectric conversion module is set in a double-closed-loop control mode, so that the energy loss of photoelectric conversion is reduced, the actual working temperature is reduced, and the reliability of the photoelectric conversion module is further improved.

1. The name of the design product: remote power information intelligent acquisition terminal function expansion equipment (single slot). 2. The use of the design product: for the function expansion of remote power information intelligent acquisition terminal, including remote communication function, remote meter reading function, remote control function, intelligent building energy management and control, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

An underground enclosure system includes an underground enclosure, a ground-fault circuit interrupter (GFCI), and an electrical outlet. The underground enclosure includes a base with a first wall that at least partially defines an internal volume. The wall includes a lip that extends into the internal volume. A lid is coupled to the base to at least partially enclose the volume. The lid can contact the lip and be received at least partially within the internal volume. The GFCI is disposed within the base and can receive electrical power. The electrical outlet is in electrical communication with the GFCI. The electrical outlet is positioned downstream from the GFCI. The electrical outlet can connect to an external electrical device and provide power to the external electrical device.

1. Name of the product in this design: Power-off Feeder. 2. Application of this design: for remote power cut-off of underground trackless rubber-tired vehicles, tunneling machines, and other vehicles. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention belongs to the technical field of power electronics, and provides a direct-current converter, a high-voltage constant-current remote power supply and a control method thereof, the direct-current converter is formed by cascading n identical power conversion modules, and n is larger than or equal to 2 and smaller than or equal to 7; each power conversion module is composed of three direct-current conversion units of the same structure and a V / I detection circuit. The input ends of the three DC conversion units are connected in parallel, and the output ends are connected in series to form a cascade structure; each direct-current conversion unit is formed by sequentially connecting a voltage pre-stabilizing circuit, a high-frequency resonance circuit, a high-frequency transformer and a rectifying circuit. Wherein the voltage pre-stabilizing circuit adopts a Buck-Boost circuit. According to the direct-current converter disclosed by the invention, through a hardware architecture that three power conversion modules are cascaded into one module and n modules are cascaded into one system and through two-stage adaptive interleaving control adjustment, high-efficiency and high-precision output is realized, and input and output ripples are reduced at the same time.

The application belongs to the technical field of solid-state remote power distribution device uniform type of aircraft electromechanical system, and particularly relates to a solid-state remote power distribution device uniform type design method and system. First, system requirements are collected, all power loads needing solid-state remote power distribution device secondary power distribution are divided according to locations, the rated current of all SSPC channels is obtained, and the rated current is upwardly compatible. The SSPC channels in the bus control mode and the SSPC channels in the override control mode are collectively classified as type 1. Each power output of the solid-state remote power distribution device is only bound with the power busbar input in the current location and is decoupled with the power supply on the aircraft. The uniform type is performed from four aspects of power distribution load area, SSPC channel current size, SSPC channel control mode and SSPC channel belonging busbar, so as to ensure that the hardware and software of the same type device are completely the same, the device is installed in different locations according to the recognition of the machine position, different software is executed, and the design cost, later stage support cost and management cost can be reduced.

To provide a new system for protecting a wayside apparatus, a remote power supply facility connected to the wayside apparatus, and other apparatuses from a ground fault.SOLUTION: The present disclosure provides, as an example, a railway facility protection system that protects a railway facility from a ground fault, the railway facility protection system including a power protector that is connected to the railway facility and suppresses a voltage rise due to the ground fault to a predetermined value, an isolation transformer that is provided between a power supply facility that supplies an AC power supply to the railway facility and the railway facility, and a control circuit that is provided between a control line of the railway facility and a Class A ground of the railway facility, proposed is a railway equipment protection system including a first protector that discharges by application of a voltage of a predetermined value suppressed by a power protector, a resistor provided in a control line, a fuse provided in a subsequent stage of the resistor, and a second protector that is provided between the subsequent stage of the fuse and a distant ground provided apart from a class A ground by a predetermined distance or more and discharges by application of the voltage of the predetermined value suppressed by the power protector.SELECTED DRAWING: Figure 8

The invention provides a server, which comprises a case main body and a middle back plate arranged in the case main body, and further comprises a power supply switching module arranged in the case main body, and the power supply switching module comprises a sub-case, a power supply back plate, a switching plate module and a conductive copper bar; the power supply backboard is mounted in the sub-case, and the adapter plate module is detachably connected to the sub-case; the conductive copper bar is detachably connected to the adapter plate module, one end of the conductive copper bar is electrically connected to the power supply backboard, and the other end of the conductive copper bar is electrically connected to the middle backboard. According to the invention, the technical problem of low maintenance efficiency of the existing server in a long-distance power supply scene is solved.

The invention relates to a cable handling system (1) comprising: an electrically driven mining or construction mechanical device (2), the invention relates to an electrically driven mining or construction mechanical device (2) comprising: a cable reel (3) comprising a power cable (3a) for providing power to the electrically driven mining or construction mechanical device (2) when connected to a connection point (5a) of a remote power source (5), a winch (4) comprising a winch cable (4a); a connection point (5a) leading to a remote power supply (5); a roller (6) located near the connection point (5a), a capstan cable (4a) unwound from the capstan (4) and led out, passing through the roller (6) and back to the electrically driven mining or construction machinery device (2) being arranged to pull the power cable (3a) towards the connection point (5a).

The invention discloses a multi-level cabinet management system and method based on a high-density computing server, and relates to the technical field of high-density computing servers. In order to solve the state management problem that high-density computing servers of different architectures are integrated in the same cabinet, the adopted scheme comprises a computing node management module used for realizing health state monitoring, abnormal alarm reporting and remote startup and shutdown and reset functions of a single computing node through a BMC (Baseboard Management Controller); the case management module is used for establishing communication with the BMC of each computing node by means of the SMC, acquiring and controlling the state information of each computing node, summarizing the state data of all the computing nodes, and uniformly reporting the state data to the RMC in combination with the information of the case; and the cabinet management module is used for establishing communication with the SMC of each case by means of the RMC, acquiring and controlling the running state of each case and the data of the computing nodes in the case, integrating the state data of all the cases, superposing the information of the cabinet, and reporting the cabinet-level centralized management data to a cloud management system in a unified manner.

Systems and methods for remote power tool control are provided. In one example, a battery pack is coupled to a power tool device. The battery pack includes a pack transceiver and a pack electronic processor. The pack electronic processor is coupled to the pack transceiver and is configured to determine that the power tool device is remotely controllable. The pack electronic processor is further configured to receive, wirelessly via a pack transceiver of the battery pack, a remote control command from a mobile device, and to provide the remote control command to the power tool device. The system further includes a tool electronic processor of the power tool device in communication with the pack electronic processor. The tool electronic processor is configured to control the power tool device to perform an action specified by the remote control command in response to receiving the remote control command.

The invention discloses an isolation monitoring device for a grounding conductor, and the device comprises an isolation part which is made of insulating plastic and is in a semicircular shape; the fixing device is used for fixing the separator in the deep pit; the resistivity monitoring sensor is arranged on the isolation piece, and the resistivity monitoring sensor comprises a built-in measuring electrode pair and at least two pairs of high-conductivity material electrodes, and the built-in measuring electrode pair and the at least two pairs of high-conductivity material electrodes are kept in electric contact with the surface of the grounding conductor at a constant interval; the miniaturized intelligent signal processing and communication unit integrates a microprocessor, a constant current source, a differential amplifier and an analog-to-digital converter and is used for controlling a measurement time sequence and calculating resistivity; the integrated wireless communication and remote power supply module supports a LoRaWAN or NB-IoT protocol, and adopts a lithium thionyl chloride battery and a micro energy collector for hybrid power supply. According to the invention, the fixing, isolating and state monitoring functions of the grounding conductor are integrated, the structure is compact, and the construction and maintenance process is simplified.

This invention relates to the field of data management technology, specifically to a concentrator intelligent fusion terminal supporting remote power management. The concentrator intelligent fusion terminal includes a data filtering module, used to construct an electrical parameter data point matrix of the target cluster based on electrical parameter data points on the electrical parameter signals of service users in the target cluster. It adjusts a preset kernel bandwidth parameter based on the angle between the electrical parameter data points and neighboring signal data points, the differences in electrical parameter data, and the gradient differences between the electrical parameter data points and the matrix's neighboring data points to obtain the kernel bandwidth parameter of the electrical parameter data points. It then uses the kernel bandwidth parameter of the electrical parameter data points in the electrical parameter data point matrix to perform Gaussian filtering on the corresponding electrical parameter data points to obtain a filtering matrix. A compression management module uses the SVD compression algorithm to compress the filtering matrix to obtain compressed data. This invention not only improves the compression effect but also enhances the effectiveness of subsequent remote power management.

The invention discloses an outdoor large screen content management and control method and system. Comprising the following steps: firstly, identifying a content publishing mode of an outdoor large screen, and distinguishing a far-end content publishing mode and a local terminal content publishing mode; aiming at a far-end mode, executing a network management and control process, modifying an IP address of a content publishing server through a content display box, performing matching verification in combination with an equipment identifier-server IP mapping relation table pre-stored in a centralized firewall, presetting a content updating window period, only allowing networking updating in the window period, and realizing unnecessary non-networking; for a local mode, executing a remote power supply management and control process, establishing connection with the management and control platform through a remote power supply control module to monitor an abnormal signal, and remotely cutting off a display screen power supply when an abnormity is confirmed; and finally, recording a management and control log containing information such as triggering reasons and execution time. According to the invention, accurate and differentiated management and control of different publishing modes are realized, and the content security guarantee level of the outdoor large screen is improved.

The application discloses a kind of test device and test method suitable for vehicle remote control, not only can be automatically released the locking state of vehicle by remote communication terminal, also can be made by the cylinder extension instruction of host computer, to make solenoid valve automatically control cylinder extension push brake pedal, then need not tester to be near vehicle or inside vehicle to record and artificial operation, realizes the remote unlocking and remote power-on of vehicle, and also can be automatically collected by data processor, the operating parameter of vehicle is compared with corresponding first preset reference value, to obtain comparison result, to verify whether the vehicle is successfully unlocked and enters the operable state, and whether the brake pedal of vehicle is pushed and can be normally powered on, finally, the comparison result is discriminated by host computer, and test result is generated. Then the application can automatically test the remote control function of vehicle, significantly improve test efficiency.

A light strip includes: a long, strip-shaped FPC with several groups of LED chips surface-mounted on its front side; positive electrodes and ground electrodes are provided at both ends of the FPC and between each group of LED chips; the LED chips are electrically connected to the positive electrodes and ground electrodes; a wire is provided on each side of the FPC; and the positive electrodes and ground electrodes at both ends of the FPC are each electrically connected to a wire. By providing positive electrodes and ground electrodes at both ends of the FPC and between each group of LED chips, and by providing wires on both sides of the FPC connected to the electrodes at both ends, the power supply path is shortened, the remote power supply resistance is reduced, and the current can be more evenly distributed to each LED chip, solving the problem of uneven light emission when the light strip is too long; at the same time, it reduces the heat generated due to increased resistance, improves heat dissipation, and extends the lifespan of the light strip.

The invention provides a house management system, which comprises a front-end user operation module used for performing function interaction with a user through a preset interaction interface and outputting corresponding display information according to interaction information; the display information at least comprises rapid check-in / rental canceling information of the public rental housing; the background business processing module is used for triggering a user application program according to the interaction information, identifying a user identity according to the interaction information, and executing a corresponding management operation according to the application information of the user; the electric charge settlement and control module is used for calling corresponding electric energy meter data according to the identification result of the user identity to carry out interrogation and expense calculation, and carrying out expense settlement or remote power failure and recovery and arrearage automatic power failure functions after expense calculation; and the voucher generation module is used for generating a check-in / rental canceling voucher according to the identification result of the user identity. The method is simple in process, uniform in standard, high in handling efficiency, low in cost and good in user experience.

The utility model discloses a mounting device for a remote power generation box, which comprises a power generation box, a mounting frame and a connecting plate, a buffer mechanism is arranged on one side of the mounting frame and is used for buffering the power generation box, a mounting strip is arranged behind the power generation box, mounting screws are arranged on the periphery of the outer side of the mounting frame, and the connecting plate is arranged on the mounting frame. The buffer mechanism comprises a spring, the spring is connected with a connecting plate, a limiting opening is formed in the connecting plate, a limiting rod is arranged in the spring, the limiting rod is in sliding connection with the limiting opening, a fixing hoop is arranged on one side of the connecting plate, and a fixing arc plate is arranged on the outer side of the fixing hoop; when the front portion of the power generation box is collided, a buffering effect is achieved through the spring, so that the power generation box is protected, damage caused when the power generation box is collided is avoided, and when the power generation box moves, the power generation box is kept stable through sliding of the limiting rod in the limiting opening.

In an embodiment an electronic device includes a first electronic circuit having a capacitive element with a variable capacitance, wherein the first electronic circuit is configured to couple the capacitive element to an antenna, to measure, by successive iterations, a first analog signal representative of a variation of an instantaneous electric power received by the antenna or representative of the instantaneous electric power received by the antenna and to modify the capacitance of the capacitive element until an amplitude of the instantaneous electric power received by the antenna is a maximum, wherein the antenna is configured to capture an amplitude-modulated electromagnetic field.

An apparatus comprises: a case enclosing a space; a power connector, extending through the case, to be connected to an external device; a power switch, retained in the space, and configured to be controlled responsive to commands in a UHF / VHF radio signal received by the power switch; a battery, retained in the space, having battery terminals connected to the power connector such that at least one of the battery terminals is connected to the power connector through the power switch; and an antenna, mounted to the case, to receive, and deliver to the power switch, the UHF / VHF radio signal, wherein the commands include a first command to close the power switch to connect the battery to the external device, and a second command to open the power switch to disconnect the battery from the external device.

Various methods are disclosed. One method includes reading an RFID card that is associated with a surgical instrument when the RFID card is located proximal to an RFID reader and initiating a wireless pairing process with the surgical instrument by the header module. Another method includes receiving an accessory at an accessory port of a modular energy system, communicating via a flexible serial communication interface coupled between a processor and the accessory port, the flexible serial communication interface configured to support multiple communication protocols, and detecting, by a presence detection circuit coupled between the accessory port and the processor, presence of the accessory connected to the accessory port. Other methods include a flexible serial bus power configuration method for a modular energy system and a remote power control interface method for a modular energy system.

A circuit card assembly adapted to be inserted into a conformal shelf assembly, the circuit card assembly comprising: a printed circuit board assembly disposed in a case comprising side faces by which the circuit card assembly is mounted in the conformal shelf assembly, a front facing side disposed between the side faces, and a rear facing side disposed between the side faces opposite the front facing side; and a plurality of ports coupled to the printed circuit board and accessible from the rear facing side of the case.

An underground enclosure system includes an underground enclosure, a ground-fault circuit interrupter (GFCI), and an electrical outlet. The underground enclosure includes a base with a first wall that at least partially defines an internal volume. The wall includes a lip that extends into the internal volume. A lid is coupled to the base to at least partially enclose the volume. The lid can contact the lip and be received at least partially within the internal volume. The GFCI is disposed within the base and can receive electrical power. The electrical outlet is in electrical communication with the GFCI. The electrical outlet is positioned downstream from the GFCI. The electrical outlet can connect to an external electrical device and provide power to the external electrical device.

Some embodiments relate to a power generation system. An example floating power generation system comprises: a vessel, the vessel including: a vessel frame, a hull around the vessel frame and defining fore and aft sections, and a deck supported by the vessel frame. A gas turbine may be provided on the vessel to generate electrical power from combustion of natural gas. An organic Rankine cycle (ORC) generator may be provided on the vessel to generate electrical power from heat recovery. A gas supply line may be provided on the vessel for supplying liquefied natural gas (LNG) to the gas turbine. A power supply subsystem may be provided on the vessel to receive electrical power from at least one of the gas turbine or the ORC generator and to supply power to at least one remote power sink that is away from the vessel.

The invention discloses a control method and system for remote power-on and power-off of a new energy vehicle, and the method comprises the steps: carrying out the bidirectional identity authentication of a cloud server and a vehicle-mounted TBOX based on a certificate authentication mechanism of a public key infrastructure (PKI), and building MQTT long connection and subscription Topic between the cloud server and the vehicle-mounted TBOX; when a user initiates a remote power-on and power-off request, a cloud server attaches a timestamp and a random number to each remote power-on and power-off instruction, and end-to-end encryption is performed by using TLS 1.3 and AES-256 to ensure instruction transmission security; when the vehicle-mounted TBOX receives the remote power-on and power-off instruction, the instruction is decrypted and verified, if verification fails, the remote power-on and power-off request is refused, and a log is recorded; if the verification is successful, a power-on and power-off instruction is sent to the VCU, and then the VCU executes power-on and power-off operation. According to the invention, the safety and intelligence of vehicle remote control can be improved, and the use safety of a user is improved.

The utility model relates to the technical field of power equipment, in particular to a back frame type direct current remote supply outdoor far-end power supply device which comprises a cabinet body cavity, a back frame, a cabinet door, an inverter box, a mounting partition plate A, a mounting partition plate B, a DCAC heat dissipation aluminum plate and a DCDC heat dissipation aluminum plate. The cabinet body cavity is formed by welding a cabinet body back plate, side plates and bottom reinforcing ribs, and the back frame and the cabinet body back plate are integrally welded; the inversion box comprises a top cover, an inversion box cavity, a DCAC heat dissipation aluminum plate and a DCDC heat dissipation aluminum plate, and is fixed in the cabinet cavity through a mounting partition plate B; according to the scheme, through systematic optimization of the structure, heat dissipation, protection, modularization and cable management, the long-term operation stability of the outdoor remote power supply device in an extreme environment is improved, the comprehensive operation and maintenance cost is reduced, and the service life of the outdoor remote power supply device is prolonged. And a high-reliability and low-cost direct-current power supply solution is provided for scenes such as communication base stations and outdoor monitoring.

The invention relates to the technical field of data processing, in particular to a remote power outage and transmission method and system based on multi-dimensional monitoring and control of a power loop. The method comprises the following steps: acquiring a voltage sequence and a current sequence of an incoming line side of a circuit breaker and an outgoing line side of a contactor in each power frequency period, and acquiring an instantaneous active power difference value and a current effective value of each sampling point in each power frequency period; based on the instantaneous active power difference value and the current effective value, static equivalent resistance of a contactor contact in each power frequency period is obtained; and obtaining a micro-arc risk index of each power frequency period based on the instantaneous active power difference value, obtaining a thermal safety residual capacity of each power frequency period according to the static equivalent resistance, the current effective value and the micro-arc risk index, and controlling remote power cut and power transmission of the contactor according to the thermal safety residual capacity. According to the invention, accurate identification and safe locking of loop hidden dangers are realized.

Techniques are provided to synchronize a remote power switch at a power receiver end of a power cable with a first power switch operation at a power source end of the cable, without any physical or data communication means for synchronization. This process may involve synchronization of a MOSFET-type switch with voltage pulsing at the power source cable end to a MOSFET-type isolation switch at the power receiver cable end to provide (voltage or load) power during the On-time and safety testing for a shock hazard during the Off-time. This method synchronizes switching pulses by sensing and synchronizing on the cable switching voltage transients from the source side. This method also involves blanking the additional switching voltage transients on the cable generated after the synchronized switching begins to maintain proper synchronization. These techniques may be used for a single-pair pulse power cable or with multi-pair multi-phase pulse power cables.