226 results about "Power over Ethernet" patented technology

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 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.

This application describes an AI-powered Cloud-native Network Video Recorder (NVR) apparatus. This apparatus features multiple Power over Ethernet (PoE) ports, processors, computer-readable memories, and firmware implementing a camera-integration module, an Artificial Intelligence (AI) module, and a cloud-access module. The camera-integration module enables efficient connection and video data reception from heterogeneous cameras. The AI module processes the video data, identifying and generating clips of interest, optimizing surveillance efficiency. Finally, the cloud-access module facilitates the uploading of these clips to cloud storage, ensuring accessible and secure data management. This innovative NVR apparatus enables users to deploy a cloud-native video surveillance system using existing camera devices, significantly lowering the cost of adoption.

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.

The invention relates to the technical field of simultaneous interpretation, and discloses a simultaneous interpretation data processing method and system based on a POE microphone array. The method comprises the following steps: synchronously acquiring multi-language original audio streams and meeting place environment noise spectrum features through a distributed microphone array powered by the Ethernet; after time domain framing is carried out on the audio stream, adaptive filtering is carried out by using a dynamic noise reduction weight coefficient to obtain a primary pure voice segment; dividing the multi-language speech endpoint detection model into independent speech units with language labels through a pre-trained multi-language speech endpoint detection model, and matching a corresponding acoustic model to generate a phoneme-level time alignment sequence; comparing and outputting a term replacement instruction stream in real time in combination with a simultaneous transfer term library, and generating an intermediate semantic representation vector after fusion; and the low-delay encoder converts the voice parameter sequence into a target language voice parameter sequence, and drives the waveform synthesizer to generate final simultaneous transmission audio. The method optimizes the whole process processing, gives consideration to the simultaneous transmission accuracy and real-time performance, and is suitable for a multilingual meeting place scene.

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 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.

A power negotiation method for power over Ethernet, power sourcing equipment, a system, and a storage medium are provided, and belong to the field of power over Ethernet technologies. The power sourcing equipment includes a plurality of power supply ports and a plurality of data ports. The power sourcing equipment supplies power to a connected powered device through the power supply port, and transmits data to the connected powered device through the data port. In this way, the power supply port can meet a data transmission requirement when a data transmission rate increases. According to the application, when a first power supply port and a first data port are connected to a first powered device, the power sourcing equipment can perform power negotiation with first power sourcing equipment through the first data port based on port feature information of the first power supply port.

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.

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.

The utility model discloses an Ethernet power supply PoE switch, comprising an Ethernet switch chip comprising a data port which is connected with an Ethernet port and is used for transmitting Ethernet data with external equipment through the Ethernet port; the power supply equipment PSE chip comprises a power supply port, and the power supply port is connected with the Ethernet port and used for supplying power to external equipment through the Ethernet port; the first switch is connected between each power supply port and the Ethernet port and is connected with the MCU; and the MCU is connected with the PSE chip and the first switches and is used for communicating with the PSE chip to obtain fault information and controlling the first switches to be switched off so as to cut off power supply to external equipment when determining that the PSE chip has a port fault. Therefore, the problem that when a part of ports of the PoE switch break down, other normal ports or lower PD equipment cannot work, so that the utilization rate of the ports is not high is solved.

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 invention relates to the technical field of Internet of Things safety monitoring, in particular to a POE-driven Internet of Things equipment multi-dimensional safety monitoring and protection system. The system comprises a power supply and flow monitoring module, a flow data acquisition module, an abnormal flow detection module, a response and protection module, a visual management module and a data storage module. According to the system, the POE power supply and flow monitoring functions are integrated, so that fine granularity real-time monitoring of the Internet of Things equipment is realized, and the safety protection capability of the equipment end is effectively improved. The system can automatically identify and respond to abnormal traffic, and timely block potential network threats, so that the security risk is reduced. Meanwhile, the POE technology is utilized to simplify equipment power supply and monitoring deployment, and the cost is reduced. And the visual management module provides a visual safety monitoring interface, so that management personnel can quickly respond and adjust strategies, and the practicability and the safety of the system are further enhanced.

A power over Ethernet (PoE) to USB-C multiport switch, which includes a PoE interface to receive and transmit PoE power and Ethernet data, multiple USB-C ports to receive and transmit USB-C power and data, and a multiport Ethernet switch configured to receive the Ethernet data from the PoE interface and then distribute to the multiple USB-C ports and vice versa. Each USB-C port incorporates an Ethernet to USB-C data converter and a USB-C PD controller to negotiate power with power device by controlling a power converter. The Ethernet to USB-C data converter transposes the Ethernet data from the PoE interface to the USB-C port and vice versa and converts incoming Ethernet data into USB-C data formats and vice versa, the power converter converts PoE voltage to fit USB-C voltage, and the USB-C PD controller manages conversion of PoE power signal into a power charging signal for the USB-C port.

A power sourcing device measures a resistance between the “A” pairs of an Ethernet cable to determine a first signature resistance value and uses the first signature resistance value to determine whether the device is able to receive power over the Ethernet cable in a manner compliant with the IEEE Power over Ethernet standard. In response to determining that the device can receive power over the Ethernet cable compliant with the standard, the power sourcing device provides power to the device over the Ethernet cable as specified by the standard. In response to determining that the device is not able to receive power over the Ethernet cable as specified by the standard, the power sourcing device uses the first signature resistance to determine a power request for the device and then provides a power signal over the Ethernet cable to the device that is consistent with the power request.

The invention relates to a smart building multi-network integration novel all-optical network system and an operation method thereof, which adopt the technologies of photoelectric conversion, radio frequency amplification, duplex, POE and the like, and are combined with a GPON network technology to construct a GPON network and wireless network integration novel radio frequency optical fiber remote system and application. According to the system disclosed by the invention, wireless radio frequency signal coverage in the building is solved, and networking requirements of intelligent equipment such as video monitoring, wireless WIFI, an access control system, an Internet of Things gateway and the like in the building can be simultaneously met in combination with the GPON network, so that the hybrid networking capability of the intelligent Internet of Things system of the intelligent building is expanded, and the intelligent building intelligent Internet of Things system is improved. The same design, same construction and same maintenance of a plurality of indoor networks of a building are promoted, and the intelligent connection service bearing capacity of a traditional wireless radio frequency optical fiber remote system is improved.

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.

In one embodiment, a method includes receiving a request from a powered device for power to be supplied from power sourcing equipment to the powered device; granting, in response to the request, provisional power to the powered device; receiving, an authentication request from the powered device to authenticate the powered device and reserve power; analyzing user data and device data to determine an authentication status for the powered device; denying power within a power budget for the powered device in response to the analyzing determining that the authentication status for the powered device corresponds to a failed authentication; and using an authenticated-power-profile to determine one or more actions to be performed with respect to the powered device having the failed authentication, in response to a defined number of failed authentications or an expiration of a timeout period defining an amount of time allowed to authenticate the powered device.

The invention belongs to the field of power over Ethernet, and discloses a PoE failure detection method and system, PoE equipment and a storage medium, and the method comprises the steps: monitoring whether a link disconnection event occurs on a plurality of monitoring ports of the PoE equipment or not; when the link disconnection event occurs, judging whether the link disconnection event belongs to a target event or not according to the monitoring list; when the event belongs to the target event, judging whether a plurality of monitoring ports are abnormally disconnected or not by utilizing a first register value in the PoE equipment; and when the abnormal disconnection condition is judged to exist, performing corresponding processing on the abnormal condition by utilizing a second register value in the PoE equipment. After a plurality of monitoring ports are monitored in real time to have a link disconnection event, whether the link disconnection event belongs to a target event is judged according to a monitoring list, and when the link disconnection event belongs to the target event and the plurality of monitoring ports have an abnormal disconnection condition, the abnormal condition is correspondingly processed. The abnormal problems can be efficiently and accurately detected and processed.

The embodiment of the utility model provides a power supply system of an industrial camera, the industrial camera and an image acquisition system. The power supply system of the industrial camera comprises a power over Ethernet (POE) module and a POE switch, the POE module is located outside the shell of the industrial camera; the industrial camera comprises a network transformer and a power supply module; the output end of the POE switch is connected with the input end of the network transformer, the power supply output end of the network transformer is connected with the input end of the POE module, and the output end of the POE module is connected with the input end of the power supply module. The POE module is independently arranged outside the industrial camera, so that the size of the industrial camera is reduced.

The utility model provides a front access controller and an access control system, in the front access controller, a master controller is electrically connected with a POE (Power Over Ethernet) power receiving module, a voltage conversion module, a reader module, a button module and a switch module respectively; the POE power receiving module is also electrically connected with the voltage conversion module and is also used for being electrically connected with a POE network switch; the voltage conversion module is also electrically connected with the reader module and the switch module. The main controller, the POE power receiving module, the voltage conversion module, the reader module, the button module and the switch module are respectively arranged on the PCB mainboard; the reader module is used for receiving the ID information read by the reader and transmitting the ID information to the main controller; the button module is used for receiving a trigger signal of an exit button and transmitting the trigger signal to the main controller; the output end of the switch module is used for supplying power to the access control electric lock through the voltage conversion module under the control of the main controller, so that an access control technical scheme of a simplified system structure based on POE power supply is realized.

The utility model discloses a portable POE (Power Over Ethernet) separator, which belongs to the technical field of POE separators, aims at solving the problems that the POE separator is inconvenient to carry and interfaces are not matched, and comprises a POE separation box, and a connecting groove is formed in the surface of the POE separation box; according to the POE separation box, the contraction block, the extension rod, the closed groove, the sliding groove, the track groove and the connection plate are arranged, so that the connection plate can be pushed inwards to enter the POE separation box when the POE separation box is carried, and the line fastening block, the connection transmission line, the disassembly sleeve, the resistance increasing ball, the connection probe and the transmission probe are brought into the POE separation box to be stored; meanwhile, a sealing cover can be clamped and embedded in a sealing groove and a sliding groove, so that the POE separator is stored and is convenient to carry, and by arranging a dismounting sleeve, the dismounting sleeve can be twisted when a user has special requirements, so that the connecting probe or the transmission probe leaves the connecting transmission line, and corresponding parts are selected for connection and installation; therefore, the POE separator is more flexible in use.

An apparatus includes interfaces to direct-current-to-direct-current (DC / DC) power converters, the converters to convert power from Ethernet ports to provide power over Ethernet (POE) through POE front-end (FE) circuits to a powered device (PD) consumer device. The apparatus includes a control circuit to cause redundant power to be selectively provided to the PD consumer device from one of the Ethernet ports. The control circuit may determine power characteristics of the POE FE circuits and, based on a power source being inactive and the power characteristics, determine portions from the DC / DC power converters to provide to the PD consumer device.

A power sourcing device measures a resistance between the “A” pairs of an Ethernet cable to determine a first signature resistance value and uses the first signature resistance value to determine whether the device is able to receive power over the Ethernet cable in a manner compliant with the IEEE Power over Ethernet standard. In response to determining that the device can receive power over the Ethernet cable compliant with the standard, the power sourcing device provides power to the device over the Ethernet cable as specified by the standard. In response to determining that the device is not able to receive power over the Ethernet cable as specified by the standard, the power sourcing device uses the first signature resistance to determine a power request for the device and then provides a power signal over the Ethernet cable to the device that is consistent with the power request.

A mount apparatus and mobile applications use a Bluetooth-to-Serial bridge integrated within the device enclosure's mounting area. The bridge can be powered by the mount, remaining separate from the mobile device's charging / data connection. Via the tablet operating system, the Bluetooth link connects directly to applications on the device, streamlining communication among those applications, the mount, and any serial devices upstream. Using this separate channel for specialized hardware avoids competition for the physical port, preserving it for peripherals like card readers, receipt printers, and keyboards. Wired networking through an ethernet adapter, including receiving power over ethernet (PoE), is desirable where preferred. Additionally, the dedicated parallel communication channel established by the Bluetooth‑to‑Serial bridge, directly accessible by paired applications on the mobile device, can be extended to other specialized hardware with which the application may need to communicate, enabling flexible integration, reduced cabling contention, and improved system reliability across diverse deployment scenarios.

The invention relates to an ONU (Optical Network Unit) panel type access device based on Type-C reverse power supply, which provides power for an ONU panel through a Type-C PD protocol while enabling user equipment to surf the Internet through a Type-C reverse power supply technology, and avoids large size, complex installation and electrical potential safety hazards caused by a traditional AC-DC (Alternating Current-Direct Current), PoE (Power over Ethernet) or PoF (Power over Fiber) power supply scheme. The BOSA optical fiber transceiver is used for realizing bidirectional conversion between an optical signal and an electric signal, and is connected with an optical line terminal (OLT) through a single-mode optical fiber to provide high-speed data transmission. And the processing chip and the protocol conversion circuit are responsible for data processing and protocol conversion to ensure the compatibility with external equipment. The power change-over switch cooperates with the PD detection circuit to automatically detect the power state of the Type-C port, and the on-off of the switch is controlled according to the power state, so that the electrical safety is improved. The equipment design is simplified, and the cost is reduced.

The invention discloses an industrial control mainboard, a power supply control method, equipment and a storage medium, and relates to the technical field of Ethernet power supply, the industrial control mainboard comprises a PCIe slot electrically connected with a target power supply network card, a boost circuit, a power supply control circuit and a jump cap circuit connected between the boost circuit and the PCIe slot; the power supply control circuit is set to configure the jump cap circuit to be in an Ethernet power supply state when the Ethernet power supply network card is connected with the PCIe slot, so that Ethernet power supply voltage is provided for the Ethernet power supply network card connected with the PCIe slot through a power supply pin of the jump cap circuit; or when the standard equipment network card is connected with the PCIe slot, the jump cap circuit is switched from the Ethernet power supply state to the preset electrical suspension state so as to disconnect the electrical connection between the power supply pin and the PCIe slot, thereby realizing flexible configuration expansion application with low cost and high reliability.

A device with a PoE function and a power supply control method thereof are provided. The device includes a signal processing module, a PoE control module, and a main controller. The PoE control module is configured to determine whether to enable the PoE function based on a PoE control signal. When the PoE control module receives an enabled PoE control signal, the PoE function is enabled to generate a DC power supply which is applied to the second electrical signal. The main controller outputs the PoE control signal to control an operation of the PoE control module based on a first status signal indicating a connection state of an optical signal and a second status signal indicating a signal intensity of the optical signal. When the main controller receives the first and the second status signals being enabled, the main controller generates the enabled PoE control signal to enable the PoE function.

The present invention discloses an audio power adjustment method, device, and system based on Power over Ethernet. The method adjusts the input current and output power of a step-down circuit with synchronous rectification by obtaining the type parameters of a self-powered device, collects the peak power required by the power supply switch circuit, and compares it with the effective power supply power of the power supply device. When it is determined that the required power is greater than the power supply power, the supercapacitor is adjusted to a power supply state so that it and the step-down circuit with synchronous rectification can simultaneously power the power supply circuit. The power amplifier voltage gain of the output audio power amplifier is adjusted according to the second output voltage of the power supply switch circuit, and the corresponding audio power signal is output through the adjusted audio power amplifier. The input current and output power of the step-down circuit with synchronous rectification are adjusted according to the type parameters of the power supply device, thereby improving the adaptability and compatibility of the system with different types of power supply devices. The power supply switch circuit is supplied with high power by the supercapacitor, realizing power amplification through POE standard technology.