156 results about "Broadband over power lines" patented technology

A method of providing broadband data services over power lines for moving vehicles is provided herein. Using broadband over power line (BPL) networking, a data signal is connected to a vehicle that is connected to a transport power line. The signal is communicated from the transport power line to the vehicle. The signal is then demodulated for use aboard the vehicle. The data signal connection allows for access to wide area networks such as the Internet. Access points can wirelessly broadcast wide area network signals from stationary locations to define meshed wireless networks in metropolitan areas.

A system for providing communications with a plurality of power distribution equipment via a broadband over power line communication system that provides broadband internet access to a plurality of consumers is provided. In one embodiment, the system may include a computer system having executable program code executable to generate control messages for controlling the plurality of power distribution automation equipment and a plurality of interface devices, wherein each interface device is communicatively coupled to one or more of the plurality of power distribution equipment. The computer system may be configured to transmit control messages to the plurality of power distribution equipment via a communication path that includes the broadband over power line communication system and the plurality of interface devices.

A management system for broadband over power lines is disclosed, using wireless communications interfaced with broadband over power lines management components to establish a wireless out-of-band system management network.

A transmit and receive circuit for use in power line communication devices is provided. One embodiment of the circuit includes a receive channel with a first delay circuit coupled to a first switch having an open configuration and a closed configuration a first switch. The circuit also may include a transmit channel coupled to the receive channel at a node and including a second delay circuit coupled to a second switch having an open configuration and a closed configuration. When the switch of either channel is closed, the switch of the other channel is open. Data signals traversing either channel when that channel's switch is closed, are phase shifted approximately three hundred and sixty degrees and conducted back to the node.

An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver light fixture. The optical transceiver light fixture includes a plurality of light emitting diodes, at least one photodetector, and a processor. A facility management unit is in communication with the processor. The facility management unit is constructed and arranged to control the operation of the optical transceiver light fixture.

An LED light and communication system is in communication with a broadband over power line communications system. The LED light and communication system includes at least one optical transceiver light fixture. The optical transceiver light fixture includes a plurality of light emitting diodes, at least one photodetector, and a processor. A facility control unit is in communication with the light emitting diode light fixtures and a control server. The facility control unit is constructed and arranged to control the operation of the optical transceiver light fixtures.

The system and method of station area topology identification based on power line broadband carrier (HPLC) relate to a distribution transformer station area network topology identification technology,in particular to a method of distribution network topology automatic identification system using power line broadband carrier (HPLC) as a communication means, which is used for automatic identification of station area topology. The system consists of a signal transmitting device and a signal receiving terminal. The signal transmitting device includes a power line broadband carrier (HPLC) communication module installed at the root of the transformer. The signal receiving terminal has built-in trap to block the 50Hz signal, and has a unique ID code for the whole network through the specific frequency signal, and is installed at the inlet or outlet terminal of the branch box and the meter box. The signal transmitting device first obtains the ID codes of all signal receiving terminals, transmits signals, controls the states of the signal receiving terminals, detects the current direction, automatically identifies the parent nodes of each branch box and the meter box according to the current direction, and thus obtains the topology diagram of the whole station area. In the implementation process of the invention, the terminal device does not need to be configured with parameters, the HPLC is used as a communication means, no extra wiring is needed, the communication advantage of the HPLC is fully utilized, and the identification process is realized quickly and accurately.

A system for scheduling electric power consumption cycles is provided. A consumption cycle is a time period of human scale, minutes or hours typically, rather than an electrical cycle. The system includes an electric-powered device driven by power supplied by an electric power network. The system also includes a consumption cycle data (CCD) requesting module communicatively linked to the electric-powered device. The link may use electric power lines via methods such as Broadband over Power Line, or may be wireless. The CCD requesting module is configured to generate a CCD request requesting allocation of electric power from the electric power network. Additionally, the system includes an electric power network node electrically connected to the electric-powered device from which electric power is conveyed to the electric-powered device. The system also includes a CCD responding module communicatively linked to the CCD requesting module. The CCD responding module is configured to determine whether the request for allocation of power can be granted subject to a predetermined capacity constraint.

The invention discloses a hybrid networking method based on power line broadband carrier. The method comprises the following steps: step (A): a hybrid networking architecture is established; step (B): an information security line of hybrid networking is established from five aspects of hybrid networking: terminal verification, communication encryption, authorization management, behavior audit and region isolation according to the hybrid networking architecture; and step (C): adaptive communication with a terminal access is constructed on the hybrid networking after the information security line is established. According to the hybrid networking method based on power line broadband carrier, the remote control function of the controllable loads of resident users can be enabled by hybrid networking; the shunt energy use data of the resident users and the switch running status are provided for an electricity utilization information collecting system; basic data is provided for big-data statistical analysis of the energy use habits of residential users; a technical support is provided for the interaction between power companies and the resident users and the publicity of energy-saving recommendations; and the method is suitable for promotion and has good application prospects.

The invention discloses a courts household change relationship identification system and method based on power line broadband carrier communication. The courts household change relationship identification system comprises a marketing system, a metering automation system, a concentrator, a power line broadband carrier concentrator module, a power line broadband carrier electricity meter module, anelectricity meter, a courts household change relationship identification module and a courts household change relationship identification platform, for completely the entire process works of file establishment, file issuance, file identification and maintenance and file update of a courts household change relationship, and except power line carrier communication signals, other noise and effects are not imported. The identified household change relationship is written back into the marketing system, the marketing system pushes the updated household change file information to the metering automation system, the metering automation system issues correct electricity meter file information to the concentrator of the corresponding courts, the operation of technicians are not needed, the closed-loop management of the household change relationship is achieved, the automation is achieved in the entire process, and the working efficiency of power consumption collection and management of an electric power system is improved.

The invention discloses a meter reading system which comprises a power line wideband carrier communication unit, a wireless communication unit, a clock unit, a control unit and a storage unit. The power line wideband carrier communication unit is used for transceiving a meter reading signal transmitted in a power line carrier way; the wireless communication unit is used for transceiving a meter reading signal transmitted in a wireless communication way; and the control unit is used for detecting a channel condition, controlling the meter reading system to automatically switch channels between the power line wideband carrier communication and the wireless communication according to a detection result, carrying out automatic networking after switching the channels and carrying out format conversion on the meter reading signals received from the power line wideband carrier communication unit and the wireless communication unit to generate electric meter data. The meter reading system combines the wireless communication way with the power line communication way by utilizing the characteristics of high reliability of the wideband carrier communication, high data transmission rate, large data capacity, bidirectional transmission and the like, so that the field construction work such as reading an electric meter, arranging wires and the like is simple, convenient and flexible.

The invention discloses a power utilization information acquisition, device and system and relates to the technical field of power line carrier communication. The acquisition device acquires user power utilization data from a user ammeter via a power line in a power line narrow band carrier communication mode and uploads the user power utilization data to a concentrator via the power line in a power line wide band carrier communication mode. According to the method, device and system disclosed by the invention, the power utilization data is acquired from the user meter in the narrow band carrier communication mode and the power utilization data is uploaded to the concentrator in the wide band carrier communication mode, so that the complex line distributing and penetrating problems can be avoided, and meanwhile, communication is kept safe, reliable, fast and stable.

The invention discloses a miniature smart circuit breaker and an integrated electric energy metering and remote interaction system thereof. A switching power supply module, a master control unit MCU, an automatic reclosing module and a broadband carrier communication module are integrated into a circuit breaker body; after the automatic reclosing module receives a trigger signal of the master control unit MCU or the automatic reclosing module receives a remote opening command signal of a user in an automatic control mode, a drive circuit drives a DC motor to drive a gear drive mechanism to move, and a trip device in the circuit breaker body is pushed to be automatically opened; and the circuit breaker body carries out data communication with a concentrator of a court through the broadband carrier communication module by adopting a power line broadband carrier communication mode. The miniature smart circuit breaker is conducive to improvement of the feasibility and the enthusiasm that a user participates in a power demand side response, reduction of the difference between peak and valley load of a power grid and improvement of the energy-saving level of a residential building, is high in economical efficiency, is suitable for the occasions of power demand side management, contract energy management, building energy consumption management and smart city construction, and has a good application prospect.

An inductive coupler provides an interface between a power line and a communication device which communicates via the power line. The power line operates at a potential between four and 140 kilovolts while accommodating a current having a frequency between 45 and 65 hertz, and the communication device operates substantially at ground potential. The inductive coupler includes a split ferrite core having material selected to provide a substantially flat frequency response between one and 50 megahertz. The coupler also includes a clamping mechanism allowing the inductive coupler to clamp around the power line or around a utility line connected to the power line. Further, the coupler includes at least one lead for communicatively connecting the inductive coupler to the communication device. The inductive coupler forms an air gap when the inductive coupler is clamped. If the coupler is insulated, the insulation is also used for the air gap.

The invention relates to a broadband power line communication method, in particular to a 35 kv-voltage grade line-based long-distance high-speed broadband power line communication method. The method comprises the following steps of: first, arranging a power communication device on a power line and coupling signals to the power line in a wired way; then, transmitting radio carrier signals to space according to high-voltage power line characteristics; and finally, receiving radio signals in a wireless way. Technicians overcome technical prejudices in the field, the radio signals transmitted by the power line and an antenna are acquired by a thought of taking the power line as the antenna and by adopting the method of transmitting by using the power line directly and receiving by using the antenna, so that the communication distance is expanded over 8 km successfully and effectively; therefore, the broadband power line communication with the first-stage relay of 14.5 km is realized.

The invention relates to a power line broadband carrier communication module networking test system. The system comprises a three phase power supply, an A phase networking unit connected with the A phase of the three phase power supply, a B phase networking unit connected with the B phase of the three phase power supply, a C phase networking unit connected with the C phase of the three phase power supply, a concentrator connected with the three phase power supply by three lines, and a processing unit connected with the concentrator, wherein the networking units on each phase are mutually connected through shielded cables. The networking units are provided with a plurality of carrier modules, and one carrier module is connected with a single-chip microcomputer, so that the carrier modules are convenient to replace, and replacement of any carrier module does not affect system setting; and client programs about control of electric meters and street lamps or smart home can be written in the single-chip microcomputer, so that the networking test system can be used for networking tests of multiple applications.

The invention discloses a multi-mode communication device and a multi-mode communication method. The multi-mode communication device comprises a processor, a first communication unit used for short-distance wireless communication, a second communication unit used for transmitting a narrow-band carrier signal and a broadband carrier signal and a power line isolation coupling unit, wherein the processor is used for sending first data to the first communication unit and the second communication unit; the first communication unit is used for modulating received first data sent by the processor to second data and sending the second data; and the second communication unit is used for respectively modulating the received first data sent by the processor to third data and fourth data and sending the third data and the fourth data to a power line through the power line isolation coupling unit, and a power line narrow-band carrier communication mode, a power line broadband carrier communication mode and a short-distance wireless communication mode are combined together.

The electrical interface protecting apparatus is coupled between the wall-outlet and connected equipment to solve the difficulty of keeping broadband over power line modems and connected equipment safe from lightning and power surges while at the same time functions effectively. The apparatus includes a low pass filter to prevent symmetrical signals from being attenuated and also an electromagnetic interference filter to provide clean and safe power at another outlet while preventing noise generated by connected equipment from being injected into the power line. It also provides a grounding means which reduces the leakage current flowing into the earth ground.

A power line broadband carrier communication module networking test system of a built-in programmable attenuator comprises a power module, a broadband power-line carrier route module, a processing unit and networking units; the processing unit is connected with the broadband power-line carrier route module, the broadband power-line carrier route module is connected with one networking unit through a shielding radio frequency line, the rest networking units are in cascade connection with other networking units for networking through other shielding radio frequency lines, and the power module is connected with the networking units; the networking units are provided with multiple carrier modules, each carrier module is connected with a single chip microcomputer, and programmable attenuators which can conduct controlling through the carrier communication method of the programmable attenuators are arranged in the networking units, so that the replacement of the carrier module can be convenient, the system setting is not affected, the sizes of attenuation values and carrier signal route directions of communication nodes can be controlled, computer adaptive networking is achieved, client programs such as an ammeter or street lamp control or smart home can be written in the single chip microcomputer, and network tests used for various applications are achieved.

The invention relates to a power line power line broadband carrier wave anti-interference communication method, which divides a broadband carrier wave communication frequency band into a plurality ofsub-channels of different frequency bands. The method comprises steps of detecting the interference and noise on the power line, and making statistics on the frequency band sub-channel containing interference and noise; transmitting data over a frequency band subchannel in which the sum of interference and noise does not exceed a first threshold,it can reduce the interference and noise in the transmission process and improve the reliability of communication, so that the monitoring unit can collect, count, analyze and evaluate the power system more effectively and omni-directionally, master thepower situation of the line and the user in real time, and avoid the bad or even extreme situations such as the overload of the power equipment and the deterioration of the power quality.