1658results about "Data switching current supply" patented technology

The invention relates to a communication equipment optimization method and device based on power management. The method comprises the following steps: performing delay power consumption domain transformation and minimum mean square error power equalization processing on power consumption data of communication equipment to obtain power consumption characteristic data; inputting a heterogeneous equipment management neural network to carry out power management prediction to obtain an equipment power consumption prediction parameter; deploying a virtual power supply manager and executing power supply response control on the communication base station and the standby power supply to obtain power supply adjustment parameters; constructing an equipment power consumption scheduling matrix, and performing equalization optimization on the equipment power consumption scheduling matrix by adopting a block iteration mode to obtain a multi-equipment power consumption scheduling scheme; and executing power distribution control according to the multi-device power consumption scheduling scheme, generating an initial power distribution strategy, and dynamically adjusting the initial power distribution strategy through a three-layer Bayesian network model to obtain a target power distribution strategy. According to the invention, the accuracy and adaptive capability of power distribution are improved.

The invention relates to the technical field of Ethernet power supply, and discloses a POE power supply power control method, device and equipment and a storage medium. The method comprises the steps of obtaining port electrical parameter data, device temperature data and historical power supply operation data of a target POE power supply, and performing multi-dimensional calibration compensation, multi-window time-frequency decomposition, dynamic and static feature extraction and feature hierarchical mapping on the port electrical parameter data based on the device temperature data; performing classification boundary construction and load feature mapping conversion on the mapping result to obtain a load classification mapping table, and performing progressive prediction of multi-level power supply parameters and power demand integration based on historical power supply operation data to obtain a power demand prediction result; and performing multi-constraint optimization calculation on the power demand prediction result, generating a power distribution strategy, and based on the power distribution strategy, controlling the POE power supply to perform multi-power closed-loop control, and generating a power control result. According to the invention, efficient and accurate control of the POE power supply power is realized.

A unidirectional USB-C to PoE converter for power with bidirectional data, which includes a USB-C interface to receive and transmit USB-C power and USB-C data, a PoE interface to receive and transmit PoE power and Ethernet data, an USB / Ethernet data converter configured to transpose the USB-C data from the USB-C interface to the PoE interface and vice versa by determining communication protocol therein between and processing incoming USB-C data signals into Ethernet data formats and vice versa, a USB-C PD controller configured to control the USB-C power to charge a device connected to the PoE interface, a power converter used to boost up USB-C voltage of the USB-C power to fit PoE voltage, and a PoE interface controller configured to receive and deliver the USB-C voltage been boosted to the POE interface.

The present technology relates to fault-managed power (FMP), and particularly, to generating FMP in an industrial automation environment using single-pair Ethernet (SPE) cabling for use by DC motors. An FMP system may include transmitter circuitry and receiver circuits coupled together via a transmission link formed using SPE cable. The transmitter circuitry can generate a FMP and transmit a pulsed signal having the FMP to the receiver circuits. The transmitter circuitry can also exchange data signals with the receiver circuits over a communication channel using the SPE cable. The receiver circuits can identify an expected power consumption of DC motors coupled to the receiver circuits and provide an indication of the expected power consumption to the transmitter circuitry. The transmitter circuitry can detect a fault based on a comparison between the transmitted FMP and the power consumption and terminate transmission of the FMP in response to detecting the fault.

This disclosure describes an electronic device that can be installed within an access control system in parallel with a legacy interface device. The electronic device may perform steps of determining a set of configuration settings associated with an access control system to which the electronic device is electrically connected, receiving, by the electronic device, a first signal in a format associated with the access control system, configuring, based on the set of configuration settings, one or more signal pathways within the electronic device, generating, by routing the first signal through the one or more signal pathways, a second signal in a second format, and providing the second signal to at least one second electronic device.

A power-over-Ethernet (PoE) PD / PSE device comprises a powered device (PD) interface configured to connect to an upstream power sourcing equipment (PSE) and receive input PoE power from the PSE, and a PSE interface configured to connect to a downstream PD and to supply output PoE power to the PD. The PD / PSE also comprises a device power rail to supply operational power to one or more components of the PD / PSE, and a DC-DC converter comprising a multi-output transformer comprising a transformer input, a first transformer output electrically connected to the PSE interface, and a second transformer output electrically connected to the device power rail. The DC-DC converter is configured to receive the input PoE power and, in response, supply the input PoE power to the transformer input, generate the output PoE power at the first transformer output, and generate the operational power at the second transformer output.

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.

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.

Various solutions for enhanced policy control with energy-related information in mobile communications are described. An apparatus may receive energy-related information from at least one network function (NF). Then, the apparatus may generate at least one of a user equipment (UE) policy, an access and mobility (AM) policy, and a session management (SM) policy for an apparatus based on the energy-related information. Also, the apparatus may provide the at least one of the AM policy, the SM policy, and the UE policy to the apparatus.

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.

A bidirectional PoE to USB-C converter for power and data, which includes a PoE interface to receive and transmit PoE power and Ethernet data, a USB-C interface to receive and transmit USB-C power and data, an Ethernet / USB data converter configured to transpose Ethernet data from the PoE interface to the USB-C interface and vice versa by determining communication protocol therein between and processing incoming Ethernet data signals into USB-C data formats and vice versa, a bidirectional power converter, used to convert PoE voltage to fit USB-C voltage, or used to convert said USB-C voltage to fit said PoE voltage depended on power and data flows, and a USB-C PD controller configured to manage conversion of PoE power signal form a PoE source into a power charging signal for USB-C interface, or to provide power to a device connected to said PoE interface, depended on power and data flows.

Disclosed are an Ethernet device, and a bidirectional converter and a control method. The bidirectional converter is arranged in any Ethernet device, including: a first switch transistor, a second switch transistor, a third switch transistor, a fourth switch transistor, a first transformer, and a controller. The controller is configured to: enable the bidirectional converter to be in a forward mode or a flyback mode by controlling respective on / off states of the first switch transistor, the second switch transistor, the third switch transistor and the fourth switch transistor. The bidirectional converter is configured to: in response to being in the forward mode, receive power supplied from a network port and transmit electric energy to a load bus, or in response to being in the flyback mode, receive power supplied from the load bus and transmit electric energy to the network port.

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 present application relates to a power-off protection method and apparatus, a device, and a storage medium. The main technical solution includes: in response to power sourcing equipment (PSE) being about to stop supplying power to a power device (PD) within a predetermined time, sending a first link layer discovery protocol (LLDP) message to the PD; receiving a second LLDP message, which is replied by the PD according to the first LLDP message; and powering off the PD according to the second LLDP message. The present application can not only avoid the interruption of the current tasks of a PD as much as possible, but can also record power-off reasons, so as to facilitate tracing to maintain the normal operation of a device, thereby ensuring the security of data and the device.

Devices, systems, methods, and processes for operating illumination devices on network devices are described herein. Illumination devices, such as light-emitting diodes, on network devices can provide useful status information when being observed by a technician. However, these illumination devices are often not being looked at in large data centers. As such, energy is often wasted on powering these illumination devices. In order to avoid this wasted power usage and increase sustainability, various embodiments described herein turn off illumination devices, such as network indicator lights and overhead lights, as a default state and illuminates them in response to a specific need. This need can be in response to a work order as well as to illuminate a path form an access point of the server room to the target network device that requires work by the network technician. Dynamically engaging illumination devices associated with network devices can reduce overall power usage.

The communication adaptor (1) comprises a housing configured to be inserted in a profiled track (12) of the light trunking system (11), the housing comprising outer walls, electrical contacts arranged to be exposed onto at least one of the outer walls, the electrical contacts being configured to contact different electrical lines (14) arranged in the profiled track (12), a Power Line Communication interface configured to receive and / or transmit PLC data, the PLC data being conveyed on one or more of the electrical lines (14), an additional interface configured to receive and / or transmit non-PLC data, preferably IP protocol data, and a data converter configured to convert i) PLC data from the Power Line Communication interface into non-PLC data for the additional interface, and / or ii) non-PLC data from the additional interface into PLC data for the Power Line Communication interface.

The invention particularly relates to a communication base station standby power supply management system, which comprises the following parts: a monitoring module; a switching module; a state evaluation module; the charging and discharging management module is used for optimizing charging and discharging actions of the battery packs according to the evaluation values of the battery packs; and a feedback module. According to the invention, through comprehensive and accurate monitoring and an intelligent switching mechanism, the stability and reliability of the system are greatly improved; the monitoring module monitors and analyzes multiple parameters of the main power supply in real time to generate an accurate trigger value, so that the problem of wrong switching or untimely switching caused by single parameter judgment of a traditional system is avoided; when a potential fault occurs in the main power supply, a response can be made in time, switching of the standby power supply is triggered, and uninterrupted power supply of the communication base station is ensured.

A solution is disclosed for providing fault-managed power systems using hybrid connectivity that includes both conductive and optical elements. The fault-managed power systems are able to provide safe and efficient power delivery utilizing optical fiber links to improve signal integrity, security, and reach of the system.

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.

The invention discloses a wireless networking fault positioning method, device and system based on a binary tree algorithm, and relates to the technical field of communication network security, and the key points of the technical scheme are as follows: obtaining alarm information of a monitored network; judging whether the monitored network has a single-link fault or a multi-link fault according to the alarm information; if the fault is a single link fault, positioning the position of a fault point based on the topological structure of the monitored network, the alarm information and a pre-acquired binary decision tree model; if a multi-link fault occurs, decomposing the monitored network into a plurality of binary tree sub-networks; and for each binary tree sub-network, positioning the position of the fault point based on the topological structure of the binary tree sub-network, the alarm information and a pre-acquired binary decision tree model. By adopting the scheme provided by the invention, the timeliness and the accuracy of networking fault positioning are improved, and the safety and the reliability of networking communication are ensured.

The present technology relates to fault-managed power, and particularly, to generating fault-managed power in an industrial automation environment using single-pair Ethernet cabling. A fault-managed power system may include transmitter circuitry and receiver circuitry coupled together via a transmission link formed using single-pair Ethernet cable. The transmitter circuitry can generate a fault-managed power based on power from a power source and transmit an unpulsed signal, including the fault-managed power, to the receiver circuitry via the transmission link. The receiver circuitry can identify an expected power consumption of one or more loads coupled to the receiver circuitry and provide an indication of the expected power consumption to the transmitter circuitry. The transmitter circuitry can detect a fault based on a comparison between the transmitted fault-managed power and the power consumption and terminate transmission of the fault-managed power in response to detecting the fault.

The invention discloses network equipment and a communication method. The network equipment comprises an advanced physical layer APL port physical layer PHY and a hybrid interface circuit, the APL PHY is connected with the hybrid interface; the mixed interface is used for connecting instrument equipment; the hybrid interface circuit is connected with the hybrid interface; the hybrid interface circuit is compatible with a single-pair power over Ethernet (PoDL) mode, an analog input (AI) mode and an analog output (AO) mode; in the PoDL mode, the power supply supplies power to the instrument equipment; in the AI mode, the power supply supplies power to the hybrid interface; and in the AO mode, the voltage is converted into current corresponding to the control signal of the instrument equipment. According to the technical scheme, an interface of traditional instrument equipment can be compatible on the basis of APL communication.

The invention provides a communication single board and an optical module power supply management method. The communication single board comprises an optical module, a power supply module and a control circuit. And the control circuit is used for determining the optical module in an idle state on the communication single board and controlling the power supply module to stop supplying power to the optical module in the idle state. According to the invention, no-load power supply to the optical module by the power supply module in the optical communication equipment can be avoided, so that unnecessary energy waste generated by the optical communication equipment is improved.

The present disclosure discloses a power over Ethernet system, including: at least one network port module, configured to achieve power over Ethernet or receive electric energy provided by Ethernet; a power supply module, configured to acquire the electric energy; a power consumption module, configured to act as a load component using the electric energy; and at least one integrated power supply and power receiving module, configured to supply power to the network port module by the electric energy acquired from the power supply module when in a power supply mode, and supply power to the power assumption module by the electric energy acquired from the network port module when in a power receiving mode. The present disclosure reduces the cost of the PoE system, and improves the integration level of a device.

The invention relates to the technical field of POE power supplies, and provides a multi-port POE power supply method, device and equipment, and the method comprises the steps: collecting port power supply parameters of the multi-port power supply equipment, carrying out the data processing, obtaining port power data and power supply priority data, generating a port load map, carrying out the mapping of the port load map and the power supply priority data, and obtaining a port load map. And generating a global power supply equalization parameter after obtaining the port power data and the port power supply state data, and performing optimization control on power supply of the multi-port power supply equipment by using the global power supply equalization parameter. Through an optimized port power distribution strategy, abnormal ports of the multi-port equipment are detected and processed in real time, optimal control over the overall power supply efficiency of the equipment is achieved based on global power supply balance parameters, stable operation of the system is guaranteed, the resource utilization rate is fully increased, and the problem that the power supply efficiency of the multi-port equipment is reduced when the port load dynamically changes or the equipment is abnormal is solved. Problems of non-uniform power distribution, low power supply efficiency and untimely abnormal port identification exist in the prior art.