30results about How to "Many nodes" patented technology

The invention discloses acousto-optic synchronous wireless fire safety evacuation equipment. The equipment at least comprises a plurality of single machines which are wirelessly networked with a central control device, wherein each single machine is in signal connection with a temperature detection device and a smoke detection device respectively; the single machine at least comprises a network wireless transmitting and receiving module, a program control board and a laser generation and control device; the laser generation and control device is used for providing a laser guide pattern and at least comprises a laser generator and a lens which is driven by a step motor; a replaceable pattern card is arranged between the laser generator and the lens; and the single machine also comprises an audio play device. The acousto-optic synchronous wireless fire safety evacuation equipment of the invention realizes intelligent system linkage and active indication, greatly improves the safety standard, reduces the possibility of casualties, has high industrial generalization capacity and has the advantages of many nodes, flexible allocation, high adaptability and high reliability.

The present invention discloses a gate-level circuit simulation based key node extraction method. The method mainly solves the problems of low searching efficiency, inaccurate node state range restoration and an excessively high duplication rate in the prior art. The method comprises: acquiring a connection relationship of a gate-level circuit; by simulating the gate-level circuit, generating a state of a corresponding gate-level node, and calculating a ratio of states of key nodes 0 and 1; extracting a frequent subcircuit of the gate-level circuit; restoring, by D flip-flop DFF nodes extracted from the frequent subcircuit, a node of the gate-level circuit; in combination with the number of the node restored by the D flip-flop DFF nodes and the ratio of the states of 0 and 1, calculation weighted values, and extracting the D flip-flop DFF node with the greatest weighted value; and on the basis of the extracted D flip-flop DFF nodes, sequentially extracting subsequent key nodes. By use of the method disclosed by the present invention, the duplication rate of the the restored node is decreased, the searching efficiency is increased, the state range of the node stored by the key nodes is expanded, and the method can be used for error detection of the gate-level circuit, and tracking of internal signals is realized.

The invention discloses a smart security alarm system for an animal farm. The smart security alarm system comprises an automatic security alarm system, a video monitoring system, a mobile phone client side and a computer client side, wherein the automatic security alarm system comprises four or more wireless infrared probes arranged on a farm wall and an automatic alarm connected with the wireless infrared probes which are connected with the mobile phone client side; the video monitoring system comprises two or more video cassette recorders and cameras which are arranged on the farm wall and connected with the mobile phone client side and the computer client side. The smart security alarm system has the advantages of being multiple in network nodes, good in reliability, low in cost, friendly to the environment, wide in market needs, and capable of performing ream-time data transmission, real-time monitoring, remote alarm and remote control, and establishing network easily. Furthermore, by means of the smart security alarm system, a user can check farm conditions and receive automatic alarm information through the mobile phone client side whenever and wherever possible.

The invention relates to an intelligent remote warehouse data monitoring alarm system and relates to an alarm system. The system comprises a sensor data acquisition device, an intelligent monitoring service platform and a mobile terminal, wherein the sensor data acquisition device comprises a system host and a remote controller, the host has a rectangular casing, a front surface of the host is provided with a liquid crystal display screen, a left lower corner of the front surface is provided with an infrared receiver, an upper portion of a right side surface of the host is a temperature, humidity and smog sensor acquisition data window, a lower portion of the right side surface of the host is a buzzer, an upper left side of the host is covered by a solar energy photovoltaic panel, an upper right side of the host is provided with a flash indication lamp close to the display screen, and an antenna is arranged at the position of the upper right side of the host away from the display screen. The system is advantaged in that temperature, humidity and smog data of a warehouse is acquired through sensors, the data is sent through a ZigBee to an intelligent monitoring platform of a monitoring center in a wireless mode, and non-normal data or advice for a warehouse with possible problems and alarm are provided by the intelligent monitoring platform according to data analysis and data mining of the big data.

The invention discloses a cache-enabled D2D communication joint recommendation and caching method, and the method comprises the following steps: constructing an optimization function by taking the minimum file acquisition cost of a user as an optimization target under the conditions that the caching capacity of the user is limited and the recommendation quantity is limited, and obtaining a recommendation scheme for each user by adopting an annealing algorithm; obtaining a caching scheme of each user by using a knapsack algorithm, and performing iterative optimization on the caching scheme andthe recommendation scheme to obtain an optimal solution of the recommendation scheme and the caching scheme, thereby realizing minimization of the average cost of the users. According to the method, recommendation and caching are combined, the influence of different preferences of users on caching is reduced, the proposed recommendation and caching scheme can reduce the average cost of the users,the users are stimulated to use D2D communication, and the network pressure is reduced.

The invention provides a Zigbee-based intelligent hog house environmental data collection device and relates to an environmental data collection device. A liquid crystal display screen is arranged onthe front surface of a host of the device, an infrared receiver is arranged at the left lower corner of the front surface of the host of the device, the left side of the upper part of the host is covered with a solar photovoltaic panel, and five sensors are arranged on the right side of the upper part of the host and sequentially are a temperature sensor, a humidity sensor, a carbon dioxide concentration sensor, an illumination sensor and an ammonia concentration sensor from left to right; a Zigbee antenna is arranged on the right side of the host; and the host internally comprises an MSP430FR2000 main board, a liquid crystal display screen, the infrared receiver, a Zigbee module, a Zigbee wireless network antenna, the temperature sensor, the humidity sensor, the carbon dioxide concentration sensor, the illumination sensor and the ammonia concentration sensor, a photovoltaic power generation board manager and a battery power supply. The Zigbee-based intelligent hog house environmentaldata collection device is very suitable for the upgrading and rebuilding of existing hog houses. By intelligent collecting data, the environmental condition of a hog house is fed back in real time, sothat the human cost is greatly saved, and an intelligent hog house is possible.

The invention relates to a sweeper intelligent manual operator, which comprises a power supply 1 and a master control module 4. The sweeper intelligent manual operator also comprises a data processingmodule 2, a power supply processing module 3, a data update module 5, an indicating lamp 6, a display screen 7 and a button matrix 8. The indicating lamp 6, the display screen 7 and the button matrix8 are connected with the master control module 4. The beneficial effects are that the manual operator realizes mobility control by means of a modbus communication protocol; the manual operator has the advantages of being simple in wiring harness, stable in transmission, portable and having multiple nodes; and equipped with the 2.4 inch dot LCD 128*64 display screen, the manual operator allows anoperator to monitor current state of the equipment and set parameters in real time outside a driving cab.

The invention consists of physical bus link unit, bus transceiver, embedded bus controller, power unit. It uses twisted-pair wire or power line, and makes communication, management, signal collection and driver output in large area, long distance, multi kinds and multi node through lightening node and equipment node relating to application of inner illuminant passing through outside.

The invention discloses a sewage treatment plant data acquisition device based on Zigbee and a microprocessor and relates to a data acquisition device. The sewage treatment plant data acquisition device based on Zigbee and the microprocessor comprises a system host and a remote controller, wherein the host is a rectangular shell; a liquid crystal display screen is arranged on the front side of the host; an infrared receiver is arranged at the bottom left corner of the front side of the host; four sensor interfaces are formed in the top of the right side of the host; the four sensor interfaces comprise a sensor interface a, a sensor interface b, a sensor interface c and a sensor interface d which are successively arranged from top to bottom; a solar photovoltaic panel is covered on the left side of the top of the host; a Zigbee antenna is arranged on the right side of the top of the host; the infrared receiver is used for receiving remote control signals of an infrared remote controller, setting the host and giving various operation commands. The device is characterized by transmitting data by using the characteristics of rapid speed and flexibility in networking and low energy consumption of ZM5161P2-2C, is small in size, continuous in operation and easy to maintain and use, and is capable of achieving Zigbee wireless transmission without wiring.

The invention discloses a breeding method for cultivating an indica type three-line strong high-quality restoring line in multiple tiller positions. The method comprises the following steps of: (1) selecting one of parents with more than or equal to 18 main stem total leaves, taking the parent as a female parent set, and preparing an Fe generation; (2) selecting an individual plant which has more than or equal to 18 main stem leaves, excellent comprehensive agricultural shape and moderate growth period from an F2 separation generation; and (3) planting the selected individual plant according to the strain, screening from 3-5 generations to obtain a new strain, performing continuous combining ability measurement and leaf age observation in 2-3 years on a stable strain with more than or equal to 18 main stem total leaves by using Zhenshan 97A, and integrating the results to obtain the indica type three-line strong high-quality restoring line. The obtained indica type three-line strong high-quality restoring line has more than or equal to 18 main stem total leaves, multiple tiller positions, high primary tiller rate, early tiller and early germination, a foundation is laid for obtaining full and large ears, the total spikelet number in unit area of the restoring line can be effectively increased, and a guarantee is provided for obtaining high per unit area yield.

The invention discloses a time determinacy distributed spacecraft electronic system design method which solves the problems that an existing spacecraft electronic system is insufficient in expansibility and poor in data transmission time determinacy. The method comprises the steps of adopting a hierarchical analysis method to determine function distribution of a spacecraft electronic system; selecting a time-triggered Ethernet as a backbone network of the electronic system, adopting a distributed architecture on a network topology structure, and distributing system computing functions to a plurality of pieces of equipment; planning a task to be executed by an electronic system, estimating the use condition of system resources in advance, and realizing static configuration of computing resources in a pre-allocation manner; and planning a message transmission mode according to the priority, so that the high-priority message has higher time determinacy and transmission reliability under the condition of meeting the required bandwidth.

The invention discloses an alarming device of an electric power device. The alarming device comprises a housing body and a main controller. A rectifier, a voltage reducing device, a charging direct current power supply module, a wireless early warning sensor and a detection module are arranged in the housing body. Alternating current AC is provided for the input end of the rectifier. The direct current output by the rectifier is subjected to voltage reduction through the voltage reducing device and then sent to the charging direct current power supply module. The charging direct current powersupply module provides power for the whole alarm. The wireless early warning sensor and the detection module are connected with the main controller. The main controller is in communication connectionwith a communication device through a communication control chip. The beneficial effects are that by setting the wireless early warning sensor, the safety and the reliability of the alarming device are quite high; it is convenient for maintenance workers to maintain the alarming device; and in a wireless communication way, alarming is achieved, there is no need to arrange indoor communication lines and installation is simple. According to the invention, the alarming device gives out alarming precisely, is simple to achieve and low in cost and has quite high promotion value.

The invention relates to an automatic service adaptation method based on semantics. According to the invention, the normalized service description document is generated by reusing the description of the existing service and the ontology information of the existing service in the service network, and the service adaptation components of the client side and the server side are generated in a code instrumentation mode based on the description document, so that the service adaptation is automatically realized and the semantic conflict is eliminated.

The invention relates to a lighting system control circuit and a corresponding control method, the circuit comprises a controller and at least one group of lighting control modules, the power supply end of the controller and the power supply ends of the groups of lighting control modules are connected with a bus, and the grounding end of the controller and the grounding end of each group of lighting control modules are connected with a ground wire; the bus supplies power to the controller and each group of lighting control modules, and information interaction is carried out between the controller and each group of lighting control modules through the bus. By adopting the circuit and the corresponding control method, the circuit structure is simpler, the energy on the bus is fully saved and utilized, the maximum communication time window is provided, the wiring cost is low, the number of nodes is more, the circuit is simpler, the circuit integration degree is high, the peripheral circuit is simple, the area is small, and the cost is low.