47results about How to "Fast networking speed" patented technology

The invention discloses an automatic power line-wireless communication mixed networking method. According to the method, power line networking and wireless communication networking are mixed to form a network having a topological structure; networking is performed with a power line channel as a first channel, when the power line channel fails, and a wireless communication channel is utilized to carry out equipment networking. The method provided by the invention has the beneficial effects that the optimal channel networking can be distinguished intelligently, the networking speed is high, and the existence of 'information isolated island' is effectively solved.

The invention discloses a mobile communication node networking control method based on a directional antenna. In the invention, a communication connection is established between the mobile nodes by using a bi-directional neighbor discovery method, and then the synchronous communication time is distributed to the mobile node and the neighbor node by using the TRC method, so as to maintain the communication connection between the mobile nodes; subsequently, during a period T2, the synchronous communication between the nodes is controlled by using a synchronous time control method so as to keep the communication connection between the nodes, and then the communication time is distributed to the mobile nodes by using the DTRC method; and finally, in a period T3, the communication between the nodes is controlled by using the bi-directional communication control method, and data exchange between the nodes is realized by using a data transmission control method, so as to realize communication between the nodes. The invention adopts a directional antenna to receive and send communication, and therefore, the communication distance between two parties is increased, the communication efficiency is improved, the conflict probability of the channels during the communication between the nodes is reduced, and the channel utilization rate and the communication efficiency are improved.

Disclosed is a parcel sorting machine control system based on cloud computing. Modules in the system are distributed at a sorting machine site, a cloud platform and a management and monitoring center correspondingly. The cloud platform comprises a database module, a parcel supply software module server, a single-machine monitoring module server, a decoding module, a communication module, a sorting machine centralized monitoring module server, a sorting machine management module server and a cloud platform management module server. The management and monitoring center comprises a sorting machine centralized monitoring module client, a sorting machine management module client and a cloud platform management module client. The sorting machine site comprises a parcel supply software module client, a sorting machine management module client, a single-machine monitoring module client, a parcel supply control module, a main loop control module, a barcode reading module, a bin control module and a pallet control module.

An embodiment of the invention provides a networking method of a meter reading system and a device thereof, which relates to communication field. The networking method of the meter reading system can increase network synchronizing speed and saves transmission resource, and furthermore improves networking speed. The networking method comprises the steps of: receiving a beacon from at least one node by a first node, wherein the beacon of at least one node comprises the level of at least one node; determining the level of the first node by the first node according to the level of at least one node, and determining whether the beacon of at least one node is updated to a first beacon according to a preset rule; and the beacon is updated to the first beacon, broadcasting the first beacon by the first node so that a neighbor node of the first node determines whether to cluster into the first node according to the first beacon; and after a preset period, clustering the first node into the second node according a first preset strategy, and transmitting the information of the first node and the information of a successor node which is clustered into the first node to the second node, wherein the second node is the node which satisfies a preset condition in at least one node.

The invention discloses a networking method of a master-slave type low-power-consumption wireless ad hoc network. The networking method of the master-slave type low-power-consumption wireless ad hoc network comprises the following steps that a gateway node is powered on and initialized, and sensor nodes are powered on and initialized; the gateway node actively sends a broadcast awakening command to the sensor nodes to awaken the sensor nodes; the gateway node issues a roll call instruction, and each sensor node sends its own address to the gateway node; the gateway node issues a networking instruction, and the sensor nodes send information of the sensor nodes and information of the sensor nodes close to the sensor nodes to the gateway node; the gateway node actively registers information of each sensor node; and after the gateway node registers the addresses of the sensor nodes, the gateway node sends a networking ending command, and the sensor nodes enter a low-power-consumption mode.The method has the advantages of being high in networking speed and low in sensor node power consumption.

The invention discloses a self-networking method applied to a wireless communication system, which is characterized by comprising the following steps of: 1, constructing a node ID table; 2, carrying out initialization; 3, carrying out a first stage of routing requesting; 4, carrying out a second stage of routing requesting; 5, counting the number of nodes for which routing indicators are successfully established; 6, completing routing communication for once; 7, sending a frame to a concentrator by a wireless communication node; and 8, processing a fault submission frame. The method not only solves the problem of limitation of an existing wireless networking mode to power and a communication distance, but also reduces cost and the difficulty of the system, has the characteristics of high networking speed, high reliability and easiness for maintenance, and has wide application prospect.

The invention discloses a power line carrier communication ad hoc network implementation method. The method comprises the following steps: sending a networking command through a host, carrying out networking reply through non-networked slaves, sending a handshake command after the host receives the networking reply, receiving a networking address after the slaves receive the handshake command, carrying out handshake reply, and confirming that the slaves complete networking after the host receives the handshake reply. According to the invention, different random numbers are generated by using the unique identity identification numbers of the slaves, different delay time is generated according to the random numbers, and when the host initiates networking, only one fastest slave performs networking reply each time, so that sequential networking of the slaves is realized, and the reliability and stability of networking are improved; and when a communication packet is lost and the host doesnot receive the handshake reply, the slave corresponding to the broadcast command is unnetworked, so that the host is prevented from allocating the same networking address to the plurality of slaves,the networking speed is high, the networking success rate is high, and the networking is more stable.

The invention relates to the technical field of wireless self-organizing networks, in particular to a wireless self-organizing network management method based on time synchronization and frequency synchronization, which comprises the following steps: firstly, forming a tree topology structure, and then, enabling a root node to send out a first time slot, namely a multicast sending time slot at a frequency F1; enabling the node directly associated to the root node to enter a multicast receiving time slot at the frequency F1 to receive the root node information; and after the multicast time slot is finished, enabling the root node to enter the unicast time slot. In the nodes directly associated with the root node, if the nodes are terminal nodes, entering the unicast time slot; and if the frequency F2 is the father node, namely the routing node, forwarding to the frequency F2, entering a multicast sending time slot, and sending multicast information; and finally, executing a synchronization process by each layer of nodes in the tree topology structure until the node farthest from the root node finishes the unicast time slot, and finishing one cycle. Conflicts with nearby nodes are avoided in three time slots in a frequency hopping communication mode, and the success rate of communication is improved.

The invention relates to a large-scale automatic networking method based on modal fusion, a management system, equipment and a storage medium, and the networking method comprises the steps: (1) creating a project, and adding gateways in the project; (2) judging whether the networking gateways belong to an internal mode or a cross-domain mode; (3) judging whether the LAN network segments of the gateways in the internal mode are the same or not, and, if the LAN network segments are not the same, determining that the networking condition is met, and performing the step (5); (4) judging whether the WAN network segments of the gateways in the cross-domain mode are the same or not, and, if the WAN network segments are not the same, determining that the networking condition is met, and carrying out the step (5) to carry out networking; and (5) enabling the gateways to execute the networking instruction to carry out networking. According to the networking method provided by the invention, large-scale VPC interconnection of different manufacturers in different scenes can be realized, remote automatic management of VPC interconnection behaviors is realized through a unified management platform and self-developed software and hardware, the convenience degree of VPC interconnection is improved, and the configuration and management difficulty is reduced.

The invention discloses a downhole water level monitoring terminal. The downhole water level monitoring terminal comprises a plurality of water level sensors, wherein the water level sensors are used for transmitting water level signals to a concentrator module through a sensor control module; the concentrator module is used for sending the water level information to an upper computer through an Ethernet; the sensor control module uses a NuMicro M054LBN microprocessor as a main controller; the main controller is connected with a minimum system module, a communication module, a human and machine interaction module and a peripheral sensor module; the communication module consists of an RS-485 interface and a GPIO (general purpose input/output) interface; the concentrator module uses an LPC1768 microcontroller as a main controller; the LPC1768 microcontroller is connected with the minimum system module, the human-machine interaction module and the RS-485 interface. The downhole water level monitoring terminal has the advantages that the remote monitoring and automatic control functions are realized; by adopting the Ethernet and the RS-485 interface for communication, the network speed is high, and the modularizing design of the concentrator and sensor can facilitate the installation, debugging and subsequent maintenance; the design scheme and technical measures are reasonable, and the anti-interference capability is strong.

The invention discloses a steel reinforcement cage netting trolley and equipment and relates to the technical field of steel reinforcement cage automatic netting. Two netting trolleys are arranged ona base. A first moving frame, a first moving component, a second moving component and a second moving frame are arranged on each netting trolley, wherein the first moving frame drives the first movingcomponent to move, and the second moving frame drives the second moving component to move. Positioning holes formed by combining semi-conductors on the two moving components are used for carrying outpositioning and fixing on coupling pieces, and meanwhile guide holes carry out guiding on insertion of steel bars, so that precise placement of steel reinforcement cages in the netting process is ensured, and meanwhile the precision in the netting process is ensured.

The invention provides a network access method, device and system. The method comprises the following steps: sending a network access broadcast packet through a current working channel; receiving a network access request from a to-be-accessed device, wherein the network access request is sent by the to-be-accessed device after the to-be-accessed device receives the network access broadcast packetin a rapid network access mode; if the device information of the device to be accessed carried by the network access request is checked to be in a local list to be added, sending a channel negotiationpacket encrypted by the device information to the device to be accessed, wherein the channel negotiation packet carries the channel information of the optimal channel decided by the gateway device; and when the current working channel is not the optimal channel, switching the current working channel to the optimal channel, and negotiating a communication key with the device to be accessed to thenetwork through the switched optimal channel, the communication key being used by the gateway device and the device to be accessed to the network to complete network access of the device to be accessed to the network. According to the embodiment, the networking speed can be increased, and the networking safety can be guaranteed.

The invention relates to the technical field of small fruit boxing, in particular to a net feeding mechanism and a small fruit net sleeve sleeving and boxing machine with the same. The net feeding mechanism comprises two driving curved rollers which are parallel to each other, a driving mechanism driving the two driving curved rollers to synchronously rotate reversely, and a plurality of rotatableomnidirectional wheels which are uniformly distributed on the circumference of the top end of an opening column, the omnidirectional wheels are positioned between the two driving curved rollers, anda net sleeve can be driven to vertically move downwards along the opening column; and the diameter of the bottom end of the opening column is gradually increased in the direction away from the omnidirectional wheels, meanwhile, four symmetrically-distributed brushes can be arranged on the periphery of the bottom of the opening column, the four brushes limit horizontal displacement of the net sleeve and shift the net sleeve downwards at the same time, the set of brushes at the symmetrical positions can also be replaced with limiting balls, only the effect of limiting horizontal displacement ofthe net sleeve is achieved, therefore the problem that the net sleeving opening conveying efficiency is low can be solved, and the overall efficiency is improved.

The invention discloses a steel bar net cage net combining method and relates to the technical field of steel bar net cage automatic net combining. According to the steel bar net cage net combining method, a base is provided with two net combining trolleys, each net combining trolley is provided with first moving racks, first moving components, second moving components and second moving racks, thefirst moving racks drive the first moving components to move, the second moving racks drive the second moving components to move, positioning holes combined by semi-guiding bodies on the two moving components perform positioning fixing on connecting pieces, meanwhile, guiding holes perform guiding on insert-in of steel chisels, accurate placement of steel bar net cages in the net combining process is guaranteed, the accuracy of the net combining process is guaranteed at the same time, and meanwhile, the labor is saved.

The invention discloses a self-adaptive selective leakage protection system and method for a mine low-voltage electric network. The system comprises a microcontroller module, double Ethernet communication circuit modules, an A/D (Analog-to-Digital) conversion circuit module, a leakage testing circuit module, a key operation circuit module, a noise elimination and filter circuit module, an electric network voltage and zero sequence voltage transmission circuit module, a plurality of branch zero sequence current transmission circuit modules, a liquid crystal display circuit module and a leakage tripping output circuit module. The method comprises the following steps: firstly, signal acquisition; secondly, signal collection, storage, analysis and processing; thirdly, manual leakage test existence judgment; fourthly, manual leakage test failure judgment and judged result output; fifthly, insulation parameter measurement and storage; sixthly, electric network leakage judgment; and seventhly, electric network leakage judged result output and leakage protection. The self-adaptive selective leakage protection system is novel and reasonable in design, strong in self-adaptability for different network structures of a mine power supply system, high in leakage detecting speed, reliable and accurate in action and high in popularization and application values.

The invention belongs to the technical field of building heating measurement and control, and particularly relates to a wireless manner-based temperature acquisition method facing central heating household measurement and an apparatus thereof. The method comprises: parameter setting and system deployment, signal penetration strength measurement, stem route establishment, branch route establishment, branch route node character setting, distribution and testing on nodes in clusters, temperature acquisition in clusters, temperature data reporting and other steps. According to the present invention, the floor priority sub-flooring route networking method combined with the collection node position information is provided to increase a networking speed under a low speed environment; and the temperature acquisition and upload mechanism adopting the cluster as the unit is provided, and the temperature difference data and bitmap identification combined method is introduced so as to effectively reduce the amount of transmission data, such that reliability and efficiency of data transmission are increased.