67results about How to "Realize automatic networking" patented technology

The invention discloses an intelligent firefighting rescue command and dispatch system. The intelligent firefighting rescue command and dispatch system comprises a main individual transmitter, a positive pressure air breathing apparatus, an intelligent firefighting bracelet, an audio and video helmet, a Mesh network repeater, an interphone, an emergency command box, a positioning module and a main positioning IPC (Industrial Personal Computer), wherein the main individual transmitter performs information exchange with each of the positive pressure air breathing apparatus, the intelligent firefighting bracelet, the audio and video helmet and the Mesh network repeater through the wireless network, the Bluetooth, signal lines and the Mesh network, so as to monitor the on-site rescue situation in real time; the emergency command box performs information exchange with the 119 command center through 4G; and the positioning module is connected with the main positioning IPC through a wireless serial port to realize the positioning of rescue workers. According to the intelligent firefighting rescue command and dispatch system, the seamless information integration of a plurality of departments is realized through the effective network convergence, and meanwhile the vital signs of rescue workers and the air pressure values in air bottles can be monitored in real time, an early warning is given to the rescue workers, and the expansibility is good due to reserved interfaces.

The invention discloses an automatic slave station address acquisition method through Modbus RTU and a slave station. The method includes the step that the slave station sends an address reuse detection packet to a communication link of a Modbus RTU network where the slave station is located, wherein the address reuse detection packet comprises a temporary station address and is used for detecting whether the temporary station address is occupied by other slave stations in the Modbus RTU network, and if the detection result shows that the temporary station address is not occupied by other slave stations in the Modbus RTU network, the slave station uses the temporary station address as a fixed communication address of the slave station. According to the method, the problem that the slave station can not obtain the station address automatically can be solved, so plug and play of the slave station can be achieved, and the flexibility and the expandability of the Modbus RTU can be improved.

The invention provides an intelligent household system. The system comprises an information acquisition device, an intelligent household gateway, terminal equipment and intelligent household equipment. The information acquisition device is coupled with the intelligent household equipment and suitable for scanning and acquiring information of the intelligent household equipment and transmitting the information of the intelligent household equipment to the intelligent household gateway. The intelligent household gateway is coupled with the information acquisition device and the terminal equipment and suitable for transmitting the information of the intelligent household equipment to the associated terminal equipment. With application of the scheme, the information interaction process of the intelligent household system can be simplified.

The invention discloses a storage device space renting system which can realize quick authorization and door opening and a quick door opening method which can realize quick authorization. As a door opening command is directly generated at a cloud end according to a user request to control a space lattice to unlock, and a user does not need to perform other redundant operations, the problems in theprior art that door opening waiting time is long and the user experience is poor because of troublesome authorization and door opening operations and the need for repeated password inputting when a user uses a storage device are solved.

The invention relates to a software definition networking method of state sensing. The software definition networking method comprises steps of: step 1: inputting a data level network parameter, an adjacent matrix AN*N, an end-to-end flow request matrix gammaN*N, link capacity Ce, a maximum link utilization rate alpha and a low request transmission rate lower limit beta; step 2: calculating a data level network path set, and solving all path sets P between two points in a directed connected graph according to a depth-first traversal method of the graph; step 3: calculating a link state matrix Ukpe; step 4: establishing a multi-source multi-sink maximum flow model based on a path hop count; and step 5: solving a model constructed in the step 4 by use of the CPLEX, and outputting the end-to-end maximum flow based on energy efficiency priority. According to the invention, the maximum flow solution based on a path is adopted; in order to improving energy efficiency of a data level network, the path hop count is used as a restriction condition, and a flow transmission path with lowest bit energy consumption is established for an end-to-end request every time, so an objective of division of high energy efficiency data level network is met.

The invention relates to an intelligent detection robot car for architectural structure vibration. The intelligent detection robot car for architectural structure vibration includes a car frame, four magnetic wheels and one acceleration sensor which is used for realizing vibration detection of an architectural structure to be detected, wherein every two of the four magnetic wheels are arranged at the front and back side of the car frame; the magnetic wheels are connected with a walking drive device which is used for driving the magnetic wheels to rotate; and a wireless communication unit is arranged on the car frame; a lifting device is arranged on the car frame, and is used for driving the acceleration sensor to move up and down; the motion end of the lifting device is connected with an upper fixing sheet; the upper fixing sheet is connected with the upper end of a buffer spring; the lower end of the buffer spring is connected with a lower fixing sheet; and the acceleration sensor is arranged on the bottom surface of the lower fixing sheet. The intelligent detection robot car for architectural structure vibration has the advantages of being flexible in the detection mode, being low in cost and being convenient to carry, and can effectively eliminate the detection blind area and is more comprehensive in detection.

The invention discloses a method for dynamically transmitting power line carrier wave information and a processing module thereof for realizing the high speed and real time transmission of information with high success rate and strong communication ability. The invention utilizes the technical scheme that an information data frame to be transmitted is compressed and split into a string of data packets, and the period for transmitting each data packet on the power line is less than the interference period of alternating current on the power line; and coding transmission is carried out on the data packets through the mode of repeated and multiple transmission. The decoding processing, such as error correction, unpacking, combination, and the like, is carried out on the data packet at the information receiving end in order to restore data. The invention is mainly used for low voltage power line communication, such as automatic meter reading, street lamp monitoring, environment (safety) monitoring, and the like.

The invention discloses a control method of a multi-mode bidirectional DC-DC converter of a DC microgrid. The method comprises the following steps: obtaining the voltage of a DC bus in a three-phase interleaving parallel Buck-Boot main circuit; judging whether the voltage of the DC bus is equal to zero; when the voltage of the DC bus is equal to zero, controlling the converter to work in a voltagesource mode, and boosting a storage battery to establish the voltage of the DC bus; and when the voltage of the DC bus is not equal to zero, detecting a numerical value of the voltage of the DC bus,if the numerical value of the voltage of the DC bus is within a preset range, selecting a switch state according to the mode to work in a dispatching control mode or an automatic control mode: in thedispatching control mode, adjusting the charge and discharge current of an energy storage battery according to a signal output by an upper dispatching system, so that the voltage of the DC bus tends to be stable, and in the automatic control mode, automatically charging and discharging the storage battery according to the voltage of the DC bus. The control method disclosed by the invention has thebeneficial effects of ensuring that a microgrid system can run stably and reliably through the dispatching or automatic charge and discharge control of the storage battery.

The invention relates to an information processing method and apparatus, a mobile terminal and a computer readable storage medium. The method comprises the following steps: when a change of an MCC isdetected, detecting whether flow resources stored in the mobile terminal comprise flow resources corresponding to the current MCC; if so, obtaining virtual SIM card data in the flow resources corresponding to the current MCC; and connecting the network according to the virtual SIM card data. By adoption of the method, in the case of the change of the MCC, if the flow resources corresponding to thecurrent MCC are detected, the flow resources are automatically activated to connect the network, so that the user can use the network connection for communication, and automatic network connection isachieved without the manual operation of the user, so that the network connection mode of the mobile terminal is more intelligent.

The invention aims to solve the existing problems, and designs a method and system for controlling a network of household user equipment through a power line. Household user electrical equipment can realize automatic networking in a case that it is unnecessary to identify a network structure. The method comprises the following steps that: a plurality of free nodes are set on an indoor network bus; the free nodes are indoor user electrical equipment having a data transceiving function; the free node sends a registration request to other free nodes; if one free node receives the registration request, the free node receiving the registration request is set to a basic node; the free node sending the registration request is set to a service node; and the basic node returns a request response to the service node and distributes one unique code address to the service node. The method and the system disclosed by the invention have the beneficial technical effects that: automatic networking can be realized in the case that it is unnecessary to identify the network structure; the free node can communicate with the basic node through the service node; and thus, the signal connection requirements are reduced.

The invention discloses an automatic networking method and device for video monitoring equipment. All monitoring equipment and management equipment in a network are searched; grouping configuration iscarried out on all searched monitoring equipment and management equipment; grouping configuration messages are respectively sent to all monitoring equipment and management equipment, wherein the packet configuration message carries a packet number and a device identifier of the receiving device; and, through NVR automatic search and IPC active notification, automatic networking is realized according to the group number, and when spare part replacement is carried out on the NVR in the network, the spare part NVR can automatically add the IPC with the same group number only by carrying out group configuration with the same group number on the spare part NVR, so that automatic networking is realized. Similarly, replacement of spare parts by the IPC is also the same. According to the invention, the work efficiency of engineering maintenance personnel in monitoring system opening or maintenance work can be greatly improved.

The invention relates to a railway tunnel lighting lamp distributed control method based on the wireless Internet-of-Things technology, and the method comprises the steps: obtaining a single-phase alternating-current 220V power supply, adjusting the single-phase alternating-current 220V power supply into a direct-current constant-current source with the adjustable voltage from 30V to 50V, and supplying power to a lamp; enabling the control circuit to collect circuit data in real time, comparing the circuit data with a reference value, transmitting an instruction to the PWM modulation circuit,and controlling the switching circuit to output; and enabling an Internet-of-Things module to upload the collected circuit data to local and remote user control terminals in a wireless and wired communication mode, and controlling the state of the lamp according to a user operation instruction. The railway tunnel lighting lamp distributed control method has the functions of circuit and network fault isolation, mesh topology wireless ad hoc network and wireless communication, and has the functions of short circuit, overcurrent, overload, overvoltage, over-temperature and other lamp body and control circuit fault isolation and wireless communication network fault isolation.

The invention belongs to the field of network video surveillance, and particularly relates to a quantum-encryption-type video monitoring system used for intelligent ad hoc network communication. The system includes panoramic cloud platform and control systems and intelligent ad hoc network communication terminal equipment. The panoramic cloud platform and control systems are connected with the intelligent ad hoc network communication terminal equipment through network interfaces. The intelligent ad hoc network communication terminal equipment uses a wireless Mesh network to realize two-way communication with other intelligent ad hoc network communication terminal equipment and a monitoring center, and thus transmits panoramic video data through the wireless Mesh network. The intelligent adhoc network communication terminal equipment uses quantum keys for encryption, cooperates with the wireless Mesh network to realize double encryption, sets maximum values of connection point numbersand maximum values of data transmission traffic, and can carry out automatic re-connection when the connection point numbers or the data transmission traffic exceeds the maximum values. Panoramic video splicing systems are integrated in the intelligent ad hoc network communication terminal equipment, and collected panoramic video information can be processed and compressed.

The invention discloses a wireless networking method and device, a storage medium and wireless network equipment, and the method comprises the steps: establishing a first pre-networking AP interface according to first pre-networking information when the equipment is superior equipment; broadcasting a first Beacon message carrying the first pre-networking information, so that the subordinate equipment can be connected to the first pre-networking AP interface according to the first Beacon message to realize networking; when the device is the subordinate equipment, creating a second pre-networking AP interface and a second pre-networking STA interface according to the first pre-networking information; scanning to obtain a second Beacon message broadcasted by the superior equipment in the pre-networking system; judging whether the first pre-networking information is consistent with second pre-networking information carried in the second Beacon message; if the first pre-networking information is consistent with the second pre-networking information, determining corresponding target superior equipment according to the second Beacon message; and connecting to the pre-networking AP interface of the target superior equipment through the second pre-networking STA interface to realize networking. According to the method, automatic networking between the wireless network devices can be simply and conveniently realized, and the networking flexibility is improved.