985results about "Data switching current supply" patented technology

Techniques for powering a multi-unit optical network terminal (MU-ONT) located outside of a multi-unit building include obtaining reverse power from Power-over-Ethernet (PoE) lines connecting the MU-ONT to terminal units (TUs) or customer premises equipments (CPEs) disposed inside the building. Reverse power may be injected into the PoE lines at the TUs, for example. Via an MU-ONT reverse powering device, the reverse power may be separated from services data provided via the PoE lines, and the services data may be delivered between the TUs and a Passive Optical Network (PON) via the MU-ONT. The reverse power obtained from the PoE lines may be aggregated to provide the MU-ONT with power commensurate with its power load. In some embodiments, the MU-ONT power load may be shared or distributed across PoE lines in a passive or actively controlled manner based on variations in the MU-ONT load and / or respective characteristics of the PoE lines.

The invention discloses a method for reducing line loss and improving power supply reliability based on the Internet of Things, and the method comprises the steps: carrying out the full-dimension load and line state monitoring: deploying an Internet of Things sensor, constructing an end-to-end monitoring network, and collecting key parameters in real time; a low-delay and wide-coverage data channel is constructed; a layered communication architecture is adopted, and efficient data transmission is realized; the real-time analysis and intelligent decision engine is used for constructing a load-line-equipment three-dimensional data model based on a cloud end and an edge platform, and realizing line loss real-time diagnosis, load prediction, situation awareness and rapid fault positioning; dynamic optimization and self-healing control: based on a data layer analysis result, source-network-load coordinated regulation and control are realized through an Internet of Things terminal, line loss is reduced, and stable power supply is guaranteed; user interaction and global optimization: realizing power grid-user interaction and peak load shifting through a user-side Internet of Things terminal to reduce the pressure of a power system; the system has the advantages of being capable of reducing line loss, guaranteeing power supply reliability, having various functions and being good in comprehensive application effect.

The invention belongs to the technical field of power supply transmission, and relates to a POE-POF power supply transmission method and system, and a storage medium. The method comprises the following steps: collecting electric quantity data of POE-POF power supply transmission network nodes in real time, and extracting a dynamic power feature set; identifying an abnormal power loss event based on the feature set and extracting an abnormal mode feature; abnormal path nodes are positioned by combining a POE-POF power supply transmission network topological structure, voltage and current distribution parameters are optimized, and an optimized power distribution scheme is generated; dynamically adjusting voltage and current values of a power supply path, evaluating an energy consumption trend and generating a trend data set; and adaptively adjusting the electric quantity acquisition parameters according to the energy consumption trend, updating the acquisition configuration and circularly executing the steps. According to the invention, intelligent detection, accurate positioning and dynamic optimization of abnormal loss of the power grid are realized, the stability and energy efficiency of the power supply network are improved, and the method is suitable for fine management and energy-saving optimization of the intelligent power grid.

During operation, an electronic device may receive, associated with a computer, a packet or a frame that includes a dynamic power reset pattern, where the dynamic power reset pattern specifies temporal pattern of power resets. Then, the electronic device may detect multiple power resets, where a given detected power reset in the detected power resets involves activation of a power reset button in the electronic device. Moreover, the electronic device may compute a detected power reset pattern, where the detected power reset pattern includes a detected temporal pattern of detected power resets. Next, the electronic device may compare the dynamic power reset pattern and the detected power reset pattern. Furthermore, based at least in part on a result of the comparison, the electronic device may at least selectively provide, to the computer, the result of the comparison.

The invention relates to the technical field of computer network technologies, in particular to a network motion capture platform based on synchronization equipment, which comprises an external expansion equipment group and a network switch, and further comprises the synchronization equipment connected with the external expansion equipment group and the network switch, the external expansion device group comprises at least one external expansion device, and each external expansion device is connected with the synchronization device by adopting a corresponding synchronization signal; according to the scheme of the embodiment of the invention, different software synchronization interfaces can be adopted by the four devices, so that the collected information can be synchronized in respective subsystems, and the synchronization efficiency of the four devices is improved. Therefore, the requirement for information data synchronization of the network motion capture camera and other equipment such as audio and video equipment, an active mark point, a dynamometer and a myoelectric instrument is met, and the synchronization precision and the application range of the whole system are improved.

A circuit to suppress ringing in a Controller Area Network (CAN) bus having a CAN high (CANH) wire and a CAN low (CANL) wire is provided. The circuit may include processing circuitry to generate a CAN control signal, and a transconductance amplifier to receive a first input signal corresponding to the CAN control signal and a voltage signal from the CANL wire, and to generate an output current signal based on a difference between the first input signal and the voltage signal from the CANL wire. An output terminal of the transconductance amplifier may be coupled to the CANH wire to source current to or sink current from the CANH wire.

The invention discloses a line diagnosis method and circuit, and the method and circuit are used for a data communication system, and the method comprises the steps: detecting a first current on a high-side switching tube and / or a second current on a low-side switching tube; judging the states of the high-side switch tube and the low-side switch tube based on the detection result; and judging whether open circuit and short circuit exist at the line positive end and the line negative end and whether short circuit exists between the line positive end and the line negative end and the power supply voltage and the ground voltage based on the states of the high-side switch tube and the low-side switch tube. According to the line diagnosis method and the diagnosis circuit, the accuracy of fault diagnosis in the bus power supply and power-on process can be improved, false report and missing report of faults are reduced, and chip and line burnout caused by long-time overcurrent is avoided; by means of fault detection of the communication state, the line fault diagnosis precision in bus power supply communication is improved, false alarms and missing alarms are reduced, and overcurrent is avoided.

An enhanced lighting control system is provided that utilizes updated communications technology to provide a cost and resource efficient lighting control system that allows for a retrofit installation into existing lighting systems. The lighting control system utilizes single pair ethernet connection protocols, as well as a pulsed power source, to enable the efficiencies.

A digital communications port for communications with an external device over multiple conductors, the digital communications port including communication electronics for communicating radio frequency modulation (RF) communications over the multiple conductors. The digital communications port further includes bidirectional power feed electronics that are programmable to be configured to at least receive power from the external device using at least two of the multiple conductors so as to power the bidirectional power feed electronics and to power the communications electronics, or provide power to the external device using at least two of the multiple conductors so as to power the external device.

The invention discloses an intelligent power supply system for an integrated energy cabinet of a communication base station, and the system comprises a power supply parameter collection module which obtains parameters such as an input voltage fluctuation sequence and multipath load current data; the power supply feature extraction module performs fusion analysis on the parameters to generate a power supply feature vector set; the decision space construction module presets a power supply strategy knowledge base and a feature vector set, and establishes a power supply decision space index structure; the power supply decision module matches the optimal power supply strategy combination and outputs a first power supply control instruction set; the power supply execution module drives the power distribution unit to execute load power supply switching and storage battery charging and discharging control. The system comprises an energy pool module, an integrated photovoltaic device, a commercial power device and the like to realize access and dynamic distribution; the anti-countercurrent control unit ensures the energy flow safety; the zero-loss switch array regulates and controls an electric energy path to improve the efficiency; the power supply execution module drives multi-power-supply switching, security isolation and path switching, supports commercial power peak clipping, light stacking and off-peak power utilization, and improves the power supply reliability and energy efficiency of the base station.

System and method for improving the shaving experience by providing improved visibility of the skin shaving area. A digital camera is integrated with the electric shaver for close image capturing of shaving area, and displaying it on a display unit. The display unit can be integral part of the electric shaver casing, or housed in a separated device which receives the image via a communication channel. The communication channel can be wireless (using radio, audio or light) or wired, such as dedicated cabling or using powerline communication. A light source is used to better illuminate the shaving area. Video compression and digital image processing techniques are used for providing for improved shaving results. The wired communication medium can simultaneously be used also for carrying power from the electric shaver assembly to the display unit, or from the display unit to the electric shaver.

A packet energy transfer (PET) receiver comprising receiver front-end circuitry including an input, an output, and at least one switch connected at the output. There is receiver output control and conditioning circuity including an input and an output to be connected to an electrical load. There is a synchronizer circuit to close the switch to allow power to flow into the receiver output control and conditioning circuitry during each of the first plurality of transfer periods of the transmitter and to open the switch to prevent power to flow into the receiver output circuitry during a first plurality of sample periods. There is a load controller that disables the synchronizer circuit and operates the switch to close it and allow power to flow into the receiver output control and conditioning circuitry during subsequent transfer periods and to open the switch to prevent power to flow during a subsequent sample periods.

A fiber optic-based communications network includes: a power insertion device, connected to multiple fiber links from a data source, configured to provide power insertion to a hybrid fiber / power cable connected to at least one fiber link of the multiple fiber links; the hybrid fiber / power cable, connecting the power insertion device to a connection interface device, configured to transmit data and power from the power insertion device to the connection interface device; and the connection interface device, configured to provide an interface for connection to an end device via a power over Ethernet (POE)-compatible connection and to provide optical to electrical media conversion for data transmitted from the power insertion device to an end device via the hybrid fiber / power cable and the PoE-compatible connection.

Aspects of the present disclosure include a detection system, a method, and / or a base node for providing the electrical energy to a plurality of edge nodes, transmitting a sensor interrogation signal to at least one of the plurality of edge nodes in the detection system, receiving, in response to the sensor interrogation signal, sensor information, send the sensor information to a predictor configured to: receive sensor training data, train an artificial intelligence engine using the sensor training data, identify an anomaly and an action associated with the anomaly based on providing the sensor information to the artificial intelligence engine, and provide the action, and performing the action provided by the predictor.

The utility model provides a mining explosion-proof intrinsic safety type integrated access gateway, and belongs to the technical field of mining communication equipment. The problems that an existing intrinsic safety type gateway and a conventional gateway are insufficient in protection means, single in applicable working condition and the like are solved. Comprising a box body, the box body is internally provided with an explosion-proof cavity and an intrinsic safety cavity which are separated, and electric appliances are connected between the explosion-proof cavity and the intrinsic safety cavity through a through-wall terminal; a movable wiring terminal is mounted on the bottom plate in the explosion-proof cavity, a power supply mounting plate is also fixed on the bottom plate in the explosion-proof cavity, a power supply plate and a power supply module are fixed on the power supply mounting plate, a power supply protection plate is arranged at the upper part of the power supply module, and the power supply protection plate is fixed on a power supply heat dissipation plate; a switch module mounting plate is fixed on the bottom plate in the intrinsic safety cavity, a switch interface plate is connected above the switch module mounting plate, and a comprehensive gateway switch mainboard and an Ethernet switch module are connected above the switch interface plate; the utility model is applied to underground communication.

The invention provides an energy supply method and device and a storage medium, relates to the technical field of communication, and helps to improve the efficiency of energy supply service. The energy supply method comprises the steps that a first node determines an energy supply service process; and the first node supplies energy to the second node based on the energy supply service process.

The invention discloses a POE (Power Over Ethernet) switch and a resource allocation method, belongs to the technical field of communication resource deployment, and solves the problem that an existing method does not dynamically integrate dynamic factors such as equipment load characteristics, service types and emergency levels, so that an allocation strategy is single. Generating a dynamic to-be-allocated queue in combination with the equipment coding priority and the demand emergency level, determining a residual power allocation value in combination with the real-time power information by taking the operation fluency as a constraint, constructing a multi-target optimization model based on the residual power allocation value and the dynamic to-be-allocated queue, and solving the target allocation power of the switch port power receiving equipment; according to the method and the device, comprehensive analysis is performed by combining the multi-dimensional characteristics of the port power receiving equipment, so that the resource demand of the equipment is comprehensively evaluated, and the dynamic to-be-allocated queue is generated by combining the equipment coding priority and the demand emergency level, so that the balanced and reasonable allocation of the POE switch is realized, and the resource utilization rate is improved.

A calibration operation determines a resistance of a sense resistor in a POE system. A voltage measurement is taken with a first current flowing through the sense resistor. A second voltage measurement is taken with a second current flowing through the resistor. A resistance value of the sense resistor is determined based on a voltage difference between the first and second voltage measurements and a current difference between the first current and the second currents.

A system for providing power from a USB-C PD connection includes a USB-C power delivery (PD) port. The USB-C PD port is configured to provide a number of output voltages. A power cable is configured to be electrically connected with the USB-C PD port. The power cable is configured to transmit data and at least one output voltage of the numerous output voltages to a peripheral device. A housing is coupled with the cable. The housing includes a USB-C connector configured to be removably coupled with the USB-C PD port to electrically connect the power cable with the USB-C PD port. A control circuit assembly is electrically connected with the housing. The control circuit assembly is configured to negotiate an output voltage of the numerous available output voltages between the peripheral device and the USB-C PD port.

The invention discloses network side equipment, a power supply control method and a computer readable storage medium, relates to the technical field of power supply batteries, and aims to solve the problem of poor controllability of a power supply battery system of a communication machine room. The network side equipment comprises a power supply module, a base station communication alternating current load, a base station communication direct current load and a control unit, the power supply module comprises a battery, a bidirectional AC-DC conversion module, a bidirectional DC-DC conversion module, a first switch, a second switch and a third switch, and a first end of the bidirectional AC-DC conversion module is electrically connected with an external alternating current power supply through the first switch; the first end of the bidirectional DC-DC conversion module is electrically connected with the second end of the bidirectional AC-DC conversion module through the third switch, and the second end of the bidirectional DC-DC conversion module is electrically connected with the battery; and the control unit controls the on-off states of the first switch, the second switch and the third switch according to the first parameter so as to adjust the working state of the network side equipment. According to the embodiment of the invention, the controllability of the power supply working mode of the network side equipment can be improved.

The invention belongs to the technical field of Bluetooth gateways, and particularly discloses a movable Bluetooth gateway, comprising a Bluetooth module; a wireless network module; a memory chip; the USB module is used for exporting data and charging equipment; a main control chip; the display screen is used for displaying related information of the equipment; according to the mobile gateway, the main control chip, the Bluetooth module, the wireless network module, the storage chip, the USB module, the display screen and the power supply module are integrated into a whole, the compact mobile gateway with comprehensive functions is formed, and due to the modular design, the expandability and maintainability of the system are improved; in addition, data interaction among the modules is more efficient, the constraint of a power socket can be eliminated, the position can be adjusted at any time according to actual requirements, complex power line laying and installation processes are not needed, the network building time is greatly shortened, and the response efficiency is improved.

A fiber optic-based communications network includes: a power insertion device, connected to multiple fiber links from a data source, configured to provide power insertion to a hybrid fiber / power cable connected to at least one fiber link of the multiple fiber links; the hybrid fiber / power cable, connecting the power insertion device to a connection interface device, configured to transmit data and power from the power insertion device to the connection interface device; and the connection interface device, configured to provide an interface for connection to an end device via a power over Ethernet (PoE)-compatible connection and to provide optical to electrical media conversion for data transmitted from the power insertion device to an end device via the hybrid fiber / power cable and the PoE-compatible connection.

The present application relates to Ethernet-based power sourcing equipment capable of supporting both standard and non-standard powered devices It includes: a control module for, determining the device specifications (I.e., device type, operating power and target power supply mode of a powered device) and outputting corresponding control signal a management module for managing a power provisioning status and a power output of respective ports, according to instructions of the control module; a first power module for providing a first voltage; a first power conversion module for converting the first voltage into a second voltage; a power selection module for controlling the first voltage or the second voltage to be output through the voltage output terminal, according to the output control signal of the control module.

A PoE power aggregation system includes a PoE power aggregation device coupling a powering device to a powered device. The PoE power aggregation device includes first and second powering device connectors coupled to first and second powering device ports on the powering device, respectively, and a powered device connector coupled to a powered device port on the powered device. The PoE power aggregation device receives data from the powering device via the first powering device connector, and transmits the data to the powered device through the powered device connector. The PoE power aggregation device also receives first and second power from the powering device via the first powering device connector and the second powering device connector, respectively, and transmits the first and second power to the powered device through the powered device connector along with the data.

During system power-on, Ethernet controllers in a server are initialized and configured by a Power-On-Reset (POR) mechanism. A user-defined time period can be selected to delay configuration of an Ethernet link to allow sufficient time for completion of the initialization of the Ethernet controller for post-boot operation. After configuration of an Ethernet PHY in the Ethernet controller is complete, an Ethernet link is established by exchanging messages with link partners according to the Ethernet protocol.

The invention relates to an active inductor assembly for a power data system and a related method. An active inductor assembly for a data on power (DoP) system includes a first active inductor and a second active inductor. The first active inductor includes a first pass element and a first control circuit. The first control circuit is configured to control the first pass element such that (i) the first pass element simulates the first inductor in response to a change in voltage across the first pass element, and (ii) the first pass unit adjusts a voltage drop across the first pass element during steady-state operation. The second active inductor includes a second pass element and a second control circuit. The second control circuit is configured to control the second pass element such that (i) the second pass element simulates the second inductor in response to a change in voltage across the second pass element, and (ii) the second pass element adjusts a voltage drop across the second pass element during steady-state operation.

The invention discloses a communication base station configuration method and device, electronic equipment and a computer program product. Relates to the technical field of power supplies and configuration, and comprises the following steps: receiving base station data of a target communication base station in a historical time period to obtain M pieces of historical base station data, the M pieces of historical base station data at least comprising base station data, meteorological data, energy storage battery data, photovoltaic equipment data and energy storage equipment parameters; calculating a standby capacity lower limit value of the target communication base station by using the M historical base station data, taking the standby capacity lower limit value as a lower limit value of the initial capacity data, and constructing an initial configuration strategy of the target communication base station based on the lower limit value of the initial capacity data; and optimizing and adjusting the initial configuration strategy through an optimization algorithm to obtain a photovoltaic energy storage configuration strategy of the target communication base station. According to the invention, the technical problem that the communication base station is low in power supply efficiency and poor in stability after photovoltaic and energy storage configuration is carried out on the communication base station in the prior art is solved.

Expandable network architectures with communication systems having multiple networks for communications between machines and implements for field operations. In one embodiment, a communication system includes a first communication module including at least one port of a first network, at least one input port and at least one output port of a second network, and a first network gateway to translate between a first protocol for the first network and a second protocol for the second network. A second communication module is communicatively coupled to the first communication module. The second communication module includes at least one port of the first network, and at least at least one input port and at least one output port of the second network. The second communication module is configurable to expand a network architecture of the communication system by being capable of communicatively coupling to at least one additional communication module.

The invention discloses a PSE equipment control method, PSE equipment, an electronic device and a computer readable storage medium, and relates to the technical field of Ethernet power supply. The method comprises the following steps: switching on a power supply and connecting PD equipment; and carrying out handshake negotiation with the PD equipment by adopting each of the plurality of power supply modes in sequence, and when the handshake negotiation of the current power supply mode fails, switching to the next power supply mode to carry out handshake negotiation with the PD equipment, and when the handshake negotiation of the current power supply mode succeeds, using the current power supply mode to supply power to the PD. According to the method and the device, the PSE can be ensured to supply power to various PD devices, and the flexibility and the universality of the PSE device are improved.