65results about How to "Easy communication" patented technology

The invention discloses a real-time network communication system and method. The system comprises client devices, gateway devices and a cloud server, wherein groups corresponding to the same one gateway device are stored in the cloud server, and all the client devices in the groups can be in real-time social data communication through wireless local area networks or an internetwork. According to the real-time network communication system and method, real-time communication of the groups in the Internet of Things is achieved, and users can further be in real-time social communication with other client devices in the groups under the same one gateway device while operating sub-terminal devices through the Internet of Things.

An embodiment of the invention discloses a mobile friends-making system and method thereof, wherein the system comprises a network server and a mobile terminal; the mobile terminal comprises a Bluetooth module and an instant messaging module; the Bluetooth module is used for searching a Bluetooth device and obtaining the Bluetooth ID of the Bluetooth device; the instant messaging module is used for triggering the searching of the Bluetooth device and selecting one or more Bluetooth ID(s) according to searching results for sending to the network server so as to inquiry about user personal data corresponding to the Bluetooth ID(s), and for, when the user personal data fed back meets the requirements of making friends, adding a user corresponding to the user personal data as a friend and performing online or offline communication with the friend; and the network server is used for storing the user registration information of users, receiving the Bluetooth ID(s) transmitted by the instant messaging module and feeding back the user personal data corresponding to the Bluetooth ID(s) to the mobile terminal. By implementing the method disclosed by the embodiment of the invention, the purpose of searching friends-making targets in real life whenever and wherever can be achieved.

Methods of communication in a wireless communication network having a plurality of connected objects, a gateway and a central server. These elements communicate with one another via messages sent and received on frequency channels. A channel is reserved for the periodic transmission of tag messages by the gateways, thereby allowing the organization and optimization of the network usage and communication time.

The invention provides a mechanism for detecting failure nodes of a wireless sensor network based on high reliability, which is used for detecting the failure nodes in the wireless sensor network and finding out the types of the failures, wherein the failures include the Byzantine failure, namely uncertain failure with various reasons. The mechanism is characterized by sending a detection data packet to nodes to be detected, using a threshold-based failure node detection algorithm for the nodes to be detected, reporting a failure and requiring further processing of the failure after the failure is detected, and continuing detecting the next node if no failure is detected, thus ensuring that all the failures are detected, wherein the detection data packet is processed by data mining and data fusion technologies. Meanwhile, a failure detection priority is set so as to ensure that the detection priority can be given to the fatal failures.

The invention discloses a gas extraction pipe network parameter monitoring system and a leaking point accurate positioning method. The gas extraction pipe network parameter monitoring system comprises a monitoring substation, optical communication equipment and a monitoring center, wherein the monitoring substation is arranged at a key node position of a gas extraction pipe network, and is mainly responsible for acquiring signals including pressure, flow and the like and monitoring in real time; when a pipeline leaks, audible and visual alarm is carried out; and the monitoring center is used for communicating with the monitoring substation through the optical communication equipment, acquiring data from the monitoring substation and carrying out leaking point positioning when leakage occurs. With the adoption of a sensor arranged on a gas extraction pipeline, various parameter signals in the pipeline are converted into an electric signal and the signal is processed through a PLC (Programmable Logic Controller) of the monitoring substation; the signal is transmitted by utilizing the optical communication equipment; an upper computer of a monitoring center is used for processing the data acquired by the monitoring substation; and when the leakage occurs, the upper computer displays a leaking signal to a user and a leaking point is positioned; and the user sends out a control instruction through the upper computer so that remote control of equipment is realized.

The invention provides an Ethernet and serial port / CAN protocol conversion device based on STM32. The device comprises an STM32 embedded processor, an Ethernet interface module, an A / D module, a D / A module, a CAN transceiver, a RS232 interface module, a RS485 interface module, a storage module, a power supply module, a crystal oscillator module, a JTAG interface module, a reset module and a 74LVX4245 chip logic level conversion module, wherein the Ethernet interface module, the CAN transceiver, the RS232 interface module and the RS485 interface module are all connected with the STM32 embedded processor. The Ethernet and serial port / CAN protocol conversion device based on STM32 of the invention can achieve the function of mutual conversion of multiple communication fusion technologies.

The invention provides a communication method and device between VPCs, and the method comprises the steps: a bridging virtual machine comprises a first network card bound with a first VPC and a second network card bound with a second VPC, and the bridging virtual machine receives a first message sent by a first virtual machine in the first VPC to a second virtual machine of a second VPC based on the first network card, and network function processing is performed on the message, and the first message subjected to network function processing is sent to a second VPC based on a second network card. Communication between VPCs by establishing a virtual private network or a private line is avoided, and a brand-new and simpler communication mode is provided. Furthermore, various network functions can be set on the bridging virtual machine, which is different from a mode of purely forwarding data through a virtual private network or a private line, so that on the basis of realizing communication between VPCs, the data processing function is further improved, the application scene is wider, and the applicability is strong.

The invention belongs to the technical field of electric power system fault recognition, and particularly relates to an interstation protection fault recognition system and method based on information fusion. The interstation protection fault recognition system based on information fusion is characterized by comprising a protection information uploading module, an interstation information interaction module and an information fusion action module which are connected in sequence; the protection information uploading module extracts distance protection and zero sequence current protection action messages on the basis of protection line interval output results; the interstation information interaction module calculates and sends interstation interaction information on the basis of the action messages uploaded by the information uploading module; the information fusion action module recognizes interstation faults according to the interstation interaction information and local protection action information. Accurate judgment results can be obtained for faults of various types, the protection performance is sensitive and reliable, the backup protection action time is shortened, and meanwhile the problem that protection fixed value setting is hard is successfully solved.

The invention discloses a temperature and humidity control system. The system comprises a first control bus, a zone controller, a second control bus and a remote monitor, wherein the zone controller respectively controls a dry type end control sub system, a return air control sub system and a fresh air control sub system through the first control bus; and the remote monitor respectively monitors the operating states of a dry type end control system, a return air control system, a fresh air control system and the zone controller through the second control bus, wherein the dry type end control system comprises at least one dry type rear end control sub system, the return air control system comprises at least one return air control sub system, and the fresh air control system comprises at least one fresh air control sub system. By utilizing the system, a communication of two control buses is adopted, one zone controller controls the sub systems in one zone, and one remote monitor monitors the zone controller and control systems in the corresponding zone; and the system is flexible in networking, easy to expand and simple in communication mode.

The invention discloses a wireless sensor device and a method used for coal field fire zone parameter dynamic monitoring, and belongs to the field of wireless sensing system used for large-scale coal field fire zone monitoring. The wireless sensor device is composed of parameter acquisition and wireless transmission nodes, and terminal signal receiving stations in coal fields. The parameter acquisition and wireless transmission nodes are composed of a plurality of sensors, A / D converters successively connected after signal linear amplification, single chip microcomputers, infrared thermal imaging monitoring systems, and wireless transceiver modules; the terminal signal receiving stations are composed of the wireless transceiver modules, single chip microcomputers, and host computer servers; the wireless sensor device can be used for continuous monitoring on temperature, CO, and CO2 parameters of coal fields, and real-time transmission of the parameters to the signal receiving stations. The signals are stored in a database via the signal receiving stations, and displayed on a server visual interface; analysis on the coal field fire zone acquired parameters is carried out using server operating software; tracing prediction, early warning, and back checking on coal field spontaneous firing tendency are realized; and measures can be adopted in time so as to avoid generation and enlarging of coal field fire.

The invention discloses an underwater blue-green optical communication system with an adjustable rate and a variable distance, and the system is of a transmitting-receiving integrated structure, and comprises a transmitting light source, a modulation circuit, a condensing lens, a receiving optical assembly, and a signal processing assembly. The emission light source comprises an LD light source and an LED array light source formed by combining a plurality of LED light sources. Each LED light source is controlled by an independent switch; the modulation circuit controls the emission light source to output optical signals of different types or powers; the condensing lens is connected with the emission light source through a spatial light path, and converges and collimates light signals output by the emission light source; optical signals sent by the neighbor nodes are received and converged; the receiving optical assembly is arranged on the side, away from the condensing lens, of the emitting light source; the signal processing assembly converts the optical signal into an electric signal and recovers original data; and according to the invention, short-distance and long-distance light energy requirements and low-rate and high-rate variable requirements are met, and alignment of two communication parties can be effectively realized.

The invention relates to a medium-range communication connection system and an implementation method and belongs to the smart home communication field. The medium-range communication connection system includes upper-level action equipment and lower-level execution equipment; the upper-level action equipment includes an upper-level functional module used for monitoring the working triggering condition of the lower-level execution equipment and an infrared transmitting module which is connected with the upper-level functional module; and the lower-level execution equipment includes a lower-level functional module used for executing functional actions and an infrared receiving module which is connected with the lower-level functional module. The implementation method of the medium-range communication connection system is realized based on the above system. With the medium-range communication connection system and implementation method of the invention adopted, communication between smart home devices is not dependent on the network of a wireless gateway, and therefore, it can be ensured that an entire smart home system can operate normally when a wireless network is lost.

The invention relates to an Internet of Things door lock communication method, device and system and a computer storage medium, and the method comprises the following steps: receiving an unlocking request sent by terminal equipment; when the check value passes the check and the clock password information passes the verification, obtaining unlocking information; when the unlocking information meetsthe unlocking execution condition, executing unlocking, wherein the unlocking execution condition is any one or any combination of the following matching results: the equipment ID information is thesame as the historical ID information in matching, the equipment key information is the same as the historical key information in matching, and the unlocking certificate information is the same as thehistorical unlocking certificate information in matching. According to the invention, the verification value and the clock password information are verified, so that the unlocking safety performanceis improved; encrypted information (equipment ID information, equipment secret key information and unlocking voucher information) is set for the door lock, the communication safety performance level of the door lock is further improved, the communication mode is simplified, and the door lock is prevented from being cracked in batches.

The invention discloses an SF6 switch alarm and blocking signal wireless transmission device which comprises an SF6 gas density meter, two pairs of SF6 switch low-pressure alarm contacts, two pairs of SF6 switch low-pressure blocking contacts and a power module, wherein one pair of SF6 switch low-pressure alarm contacts is connected with an alarm device, and the other pair of SF6 switch low-pressure alarm contacts is connected with a remote communication acquisition module; one pair of SF6 switch low-pressure blocking contacts is connected with an intermediate relay, and the other pair of SF6 switch low-pressure blocking contacts is connected with the remote communication acquisition module; the remote communication acquisition module is connected with a wireless communication module; the wireless communication module is connected with a system master station server. The SF6 switch alarm and blocking signal wireless transmission device has the remarkable advantages of simple communication way, low investment, rapid effect taking and the like, and the construction investment is saved; compared with the prior art, the device has the advantages that in the aspects of the communication network structure, channel maintenance and the like, the input of manpower and material resources can be greatly reduced, the labor productivity of total workers can be increased, and the automation level of a power switch device is improved.

The invention relates to a digital film reading seminar system which is characterized by comprising a server, a participant platform module, a foreground processing module and a background management module. The participant platform module, the foreground processing module and the background management module are connected with the server through the network. The server is provided with a first database which stores digital sections and related information, participant commend information and speech and presentation manuscripts and a second database which stores film reading seminar information. Multiple participants, speakers and film reading seminar managers perform transmission and exchange of the digital sections and the related information, the participant commend information and / or the film reading seminar information with the server through the participant platform module, the foreground processing module and the background management module respectively. Easy switching of the presentation manuscripts, the digital sections and interaction with the participants in the speech of the speakers can be realized, and the smoother discussion on the content of the film reading seminar can be obtained between the participants and the speakers and between the participants.

The invention provides a movement statistical system and a communication method applied to the movement statistical system. The communication method includes: when first communication equipment recognizes first movement data, accessing to a broadcasting mode to broadcast the first movement data; when second communication equipment scans the first movement data, matching the first movement data with second movement data in local storage, and broadcasting a matching result; allowing third communication equipment to receive the matching equipment. By adoption of the communication method, in basketball player movement data statistics, real-time transmission of current movement data of a basket and current movement data of a plurality of basketball players can be realized, and real-time comparison and real-time result output are realized as well.

The embodiment of the invention discloses a signal conversion device and a conversion method. The signal conversion device is used for being connected with a machine core board of an ultrahigh definition television and a display capable of supporting an HDMI signal, and comprises a signal receiving module, a signal conversion module and a CPU, wherein the signal receiving module is connected with the machine core board and used for receiving an initial signal output by the machine core board; the initial signal is an LVDS (low-voltage differential signaling) signal or a first V-BY-ONE signal; the signal conversion module is connected with the signal receiving module and the display separately, and is used for converting the initial signal into the HDMI signal according to an instruction and outputting the HDMI signal to the display; the CPU is in communication connection with the signal conversion module and used for transmitting the instruction to the signal conversion module. Through the signal conversion device, the machine core boards of different ultrahigh definition televisions can be matched with different displays, and the display still can normally display and output, so that research and development persons can debug the machine core boars of various ultrahigh definition televisions based on the displays capable of supporting the standard HDMI signal, the research and development efficiency is improved and the production cost is reduced.

The invention discloses a double DSP control method for a photovoltaic grid-connected inverter and belongs to the technical field of solar photovoltaic grid-connected power generation. According to the technical scheme of the invention, both a photovoltaic side and a power grid side have a DSP; the control circuits of the two DSPs are electrically isolated and realize the control of the power grid side and the control of the photovoltaic side respectively; and the two DSPs communicates in a pulse width detection-based mode. According to the technical scheme, the conventional single-DSP control is replaced by double DSP control, so the rear-time control and monitoring of controlled objects are realized, the control accuracy is improved, the distributed control of the photovoltaic side and the power grid side is realized, the modular design of the control programs of on both sides is promoted, the design of the control programs is simplified, the system complexity is reduced, and the system reliability is improved. The pulse width detection-based communication mode has the advantages of simplicity, easy implementation, high anti-interference performance and the like.

The invention discloses an Internet of Things (IoT) remote equipment control system and an IoT remote equipment control method. The system comprises a client unit, a cloud platform unit, an IoT gateway unit and a controlled equipment unit. The method comprises the steps of S1, a client step; S2, a cloud platform step, S3, an IoT gateway step and S4 a controlled equipment step. According to the system and method, a message queue frame and a producer / consumer model are used, so that the remote control communication mode of the equipment becomes simpler and more standard, and the normalization degree of the equipment during the using process is enhanced. Meanwhile, according to the technical scheme of the invention, the control command is transparent for the cloud platform unit and the IoT gateway unit, so that the system and the method provided by the invention have the furthest flexibility and expansibility, can access various kinds of equipment and complete various controls on the equipment, and is wide in application prospect.

The embodiment of the invention provides a transmission link management method and system, and the method comprises the steps: receiving a data request based on an Internet protocol from a service terminal through a transcoding server, enabling the data request to be used for requesting the data of a target camera, carrying out the transcoding through the transcoding server, obtaining a request message in a binary format, sending the request message to a scheduling center server, generating a request message index and abstract description information of the request message by the scheduling center server, converting the binary request message into an SIP request message in an SIP protocol format, and sending the SIP request message to enable the target camera to respond according to the SIP request message; and when the dispatching center server receives an SIP response message returned by the target camera, the SIP response message being converted into a binary response message, and how to return the response message being determined according to the request message index and the abstract description information. Therefore, the intercommunication between the Internet protocol and the SIP protocol is realized.

The invention provides a virtual gift display method and device, the method and the device are applied to a television program, and the television program comprises a website Web server, a televisionstation server and a plurality of user terminals which are respectively connected with the Web server, and a television terminal connected with the television station server; According to the embodiment of the invention, the television audience can send the virtual gift to the television program while watching the program, so that the watching effect of the program is improved, the purpose of interacting with other television audiences in the television program is achieved, the viscidity of the audience to the television program can be improved, and the problem of low interactivity between thetelevision program and the television audience at present is solved.

The invention relates to an intelligent illuminating system control circuit, in particular to a scenic spot bus control circuit which can simply the communication mode, reduce the bus power consumption and prolong the transmission distance, aiming at the solving the problem of the working failure of the intelligent illuminating system, which is resulted from the unstable voltage of the bus. A first resistor, a third resistor and a voltage stabilizing tube of the scenic spot bus control circuit are connected in series between a bus port and a bus grounding end; the positive electrode of the voltage stabilizing tube is connected with the bus grounding end; a first capacitor is connected with two ends of the third resistor; a signal receiving end is connected with the negative electrode of the voltage stabilizing tube; the collecting electrode of a high-power triode is connected with the bus port, the emitting electrode is connected with the bus grounding end, and the base electrode; a second resistor is connected in series between the base electrode of the high-power triode and a bus signal sending controlling end; the positive electrode of a fast-recovery diode is connected with the bus port; the positive electrode of a polar capacitor is connected with the negative electrode of the fast-recovery diode and the DC power supply of the bus; and the negative electrode of polar capacitor is connected with the bus grounding end.

The invention relates to a networking method of inter-station communication under hybrid multi-terminal direct-current topology and a communication monitoring mechanism generated corresponding to the method. According to the method, SDH / MSTP equipment in stations is adopted as intermediate connection equipment for realizing inter-station communication equipment interconnection, so that Ethernet private network business can be used; a connection mode according to which in-station control protection devices are connected into switches through a 100M Ethernet so as to be networked is adopted; and the SDH / MSTP equipment is connected into an SDH network. The function of the inter-station communication is to exchange control instructions and operating state information between a traditional current source converter station and a voltage source type converter station; the inter-station communication adopts a double-network mutually standby connection mode; a plurality of stations composed of the hybrid topology adopt a point-to-point connection mode; any one station can obtain the connection channels of the other stations; the connection channels are optical fiber channels; and optical cables are laid along underground cables or submarine cables between each stations.

The present invention discloses a mobile communication terminal for listening to video output and peripheral sound simultaneously and control method. The characteristics of this invention is that the front end of the amplification part of the handset junction device for mobile communication terminal is supplemented with audio frequency mixing part, and to collect the external voice using the microphone of the mobile communication terminal. Moreover, to connect the above mentioned audio signals of the microphone to the above mentioned audio frequency mixing part selectively by the control of the controlling part, if the external voice size according to the manual operation indication or the above mentioned microphone is above the fixed size, mixing the external voice into the reproductive audio signal through the audio frequency mixing part, thus, this can reduce the fatalness because of the external outbursting condition and facilitate the communication for users with people.

The invention provides a flight simulator network communication method based on a dynamic interface. The condition of the flight simulator network communication method based on the dynamic interface is that each system of the flight simulator performs data communication through an Ethernet. Each interface that requires communication is standardized in the same way through adopting a prescribed dynamic interface configuration and data communication network configuration; a sending end sends all data to the Ethernet using a format in a multicast mode; a receiving end receives all the data; eachsystem selects and processes required data items according to a dynamic interface configuration file; and the data of the configuration file is stored as a text file with a uniform format. The flightsimulator network communication method based on the dynamic interface is beneficial to increasing and modification of the interface, the maintenance of the system and the protection of the simulator.

The invention relates to the field of software development, overcomes problems of testing and tracking difficulty and code obfuscation incapability when an EventBus method is adopted for realizing event notification and subscription and proposes a method of constructing event bus RxBus based on RxJava, which includes defining event bus class, remembering the event bus class as RxBus class, defining the instance method of generating RxBus class, subject mapping object, registering method, logout method and publishing event method in RxBus class. The instance generation method of the RxBus classis used to generate an instance of the RxBus class in singleton mode; the registration method is used to create the subject object, establish the relation between the subject object and the passed class flag parameter, and return the Observable object. The logoff method is used to logoff related subject objects; the Publish Event method is used to publish content by publishing the topic corresponding to the class flag parameter. The invention is applicable to subscribing and publishing events in the RxJava framework.

The invention relates to an urban-rural ring network interval switch condensation remote monitoring system, which comprises a condensation sensor module. The condensation sensor module is equipped with two pairs of condensation alarm contacts A and B and a pair of condensation action contacts C; the condensation alarm contact A is connected with a remote communication acquisition module; the condensation alarm contact B is connected with an alarm module and an alarm lamp module; the condensation action contact C is connected with an intermediate relay; and the action contact of the intermediate relay is connected with an operation power circuit of an interval switch heating and dehumidification device. The urban-rural ring network interval switch condensation remote monitoring system has the following advantages that phenomena such as switch miss trip, device abnormality or direct grounding caused by condensation can be effectively prevented, the professional management level of the urban-rural ring network interval switch is improved, and the power supply reliability is enhanced.

The invention discloses a self-adaptive single-wire asynchronous communication circuit, a communication method and a communication device. The self-adaptive single-wire asynchronous communication circuit comprises a sending end and a receiving end, and the sending end is composed of a sending data generation module and a voltage-current conversion module; and the receiving end consists of a current-voltage conversion module and a received data processing module. The sending data generation module is used for generating signal sequences with different widths; the voltage-current conversion module converts the level signal generated by the sending data generation module into a current signal and sends out the current signal; the current-voltage conversion module converts the current into a corresponding voltage; and the received data processing module processes the received data so as to realize asynchronous communication between the level power supplies. The invention aims to solve theproblem that digital logic interfaces with different power supply voltages in a multi-power supply system cannot directly communicate with each other, and realizes mutual data sending or receiving ofa low power supply voltage interface and a high power supply voltage interface.

The invention relates to a USB-electrified grain condition detection host with multiple communication manners. According to the technical scheme, the host comprises an extension set shell and a circuit board mounted in the shell, wherein a control circuit is mounted on the circuit board and comprises a USB power supply module, a CPU processing unit, a serial port communication module, a signal indication module and a host and slave communication module, and the CPU processing unit is connected with the USB power supply module, the serial port communication module, the signal indication moduleand the host and slave communication module respectively. The USB-electrified grain condition detection host is simple in power supply manner and communication manner, easy to operate, strong in adaptive capacity, economical and practical.

The invention discloses a method for controlling a light modulation device. When a two-line light modulator receives a modulation signal, a chopping switch firstly enters a modulation period to modulate the frequency or the amplitude of alternating voltage under the action of a driving signal, so that frequency modulation voltage or amplitude modulation voltage is produced and then output to a backward-stage driver; then the two-line light modulator enters a chopping period to chop the alternating voltage; and an impedance matching control circuit controls an impedance matching circuit to work in a low impedance state within a maximum chopping phase angle in chopping voltage of each chopping period according to the judgment whether the two-line light modulator outputs the frequency modulation voltage or the amplitude modulation voltage. According to the method for controlling the light modulation device, when the two-line light modulator exists at a forward stage, the chopping switch in the two-line light modulator informs the impedance matching control circuit in the backward-stage driver of controlling the impedance matching circuit to work in the low impedance state within the maximum chopping phase angle in chopping voltage of each chopping period before entering the chopping state, so that the cooperative work of the chopping switch and the impedance matching circuit is realized.