81 results about "Wireless internet" patented technology

The invention belongs to the technical field of gas monitoring, and discloses a limited space gas monitoring method, system and device based on the Internet of Things and a medium, and the method comprises the steps: obtaining gas sensing data transmitted by a pre-constructed gas sensing node network through an optimal transmission path; performing gas concentration prediction on the gas sensing data by using a long short-term memory neural network and a random forest algorithm, comparing a prediction result with a preset early warning threshold value, and triggering an alarm of a corresponding level; and determining a prediction error based on a prediction result, dynamically optimizing an early warning threshold based on the prediction error, and continuously optimizing the plan through a closed-loop feedback mechanism. By introducing the gas monitoring sensor, the wireless Internet of Things ad hoc network technology, the edge computing and the cloud collaborative architecture, the toxic gas real-time monitoring with high sensitivity, low power consumption, flexible deployment and intelligent analysis is realized.

The invention discloses a fire-fighting pipe network pressure dynamic monitoring method and system combined with the Internet of Things and a medium, and relates to the technical field related to pressure monitoring, and the method comprises the steps: deploying a pressure sensor and an auxiliary sensor at a fire-fighting pipe network monitoring node, and building a topology sensing structure through wireless Internet of Things communication; carrying out adaptive sampling adjustment and then establishing a node sampling data set; transmitting the data to a multi-time window pressure evolution model to execute sliding differential analysis, and calculating an abnormal trend index; configuring a neighborhood broadcast request and performing broadcast consistency verification; abnormal trend index enhancement correction is carried out, and group resonance detection is carried out to establish linkage cooperative early warning; and a fire-fighting pipe network pressure abnormity early warning signal is reported. The technical problems that in the prior art, dynamic abnormal data of the fire-fighting pipe network are difficult to sense in real time, cooperation is lacked, response lags, and pressure monitoring accuracy and reliability are poor are solved, and the technical effects that real-time and accurate dynamic monitoring is achieved, and the pressure monitoring accuracy and reliability of the fire-fighting pipe network are improved are achieved.

The invention discloses a household photovoltaic data acquisition method and device based on a wireless Internet of Things, and the method comprises the steps: collecting a group cascade current and voltage curve and ambient light intensity data in real time at a photovoltaic array edge node, and extracting a shadow-shielded spatio-temporal evolution feature vector through a spatio-temporal convolutional neural network; inputting the spatio-temporal evolution feature vector into a power compensation decision model to obtain a cross-string power dynamic compensation scheme including a compensation current value of a shielded string and a maximum output power regulation quantity of an adjacent unshielded string; and according to a dynamic power compensation scheme, working points of MPPT controllers of adjacent photovoltaic strings are synchronously adjusted through a Mesh network between edge nodes, so that the power loss of the shielded strings is compensated by the unshielded strings in real time. A shadow evolution rule is analyzed in real time through a space-time convolutional neural network, and a cross-string power dynamic compensation mechanism and Mesh network cooperative control are combined, so that high-precision prediction and minute-level dynamic compensation of shielding loss are realized.

The invention discloses an electromechanical equipment wireless Internet of Things control system and method based on multi-protocol adaptive conversion, and relates to the technical field of Internet of Things. Universal features, protocol features and interference evaluation indexes related to interference are extracted, a LightGBM model with the universal features and the protocol features as input and an interference evaluation index weighted value as output is constructed, and a neural network prediction model with important features as input and the interference evaluation indexes as output is constructed. An interference adjustment strategy and a corresponding adjustment rule are defined, an optimal interference adjustment strategy used for adjusting parameters of the wireless communication system is selected according to a judgment result of whether an interference prediction result triggers the adjustment rule, and a deep learning model is utilized to analyze and predict a complex dynamic industrial environment. Optimized communication parameters are optimized in real time, so that the adaptive capacity of anti-interference measures in a dynamic environment is improved, and the high-stability production requirement for communication in industrial production is met.

1. The name of the design product: touch screen development board (ESP32-C6 1.43-inch AMOLED). 2. The use of the design product: learning and secondary development of integrated, touch screen-mounted wireless Internet of Things or smart control application development board. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention discloses a wireless Internet of Things control channel communication method, system and device and a medium, and belongs to the technical field of channel communication. A set of complete basic framework of a multi-modal control channel resource scheduling model is constructed through multi-modal channel identification, sub-domain division, conflict index definition and delay threshold definition, and spatial partition management of channel resources is realized; the real-time performance and the reliability of the control task can be ensured by defining the task delay requirement; by combining short-distance self-adaptive backoff and wide-area pre-authorization resources, conflict delay can be reduced, resource competition can be avoided, and meanwhile average delay of cross-domain commands can be effectively reduced; all steps are progressive layer by layer from framework design to command mapping and then to a forwarding process, full-process optimization of cross-domain command resource adaptation, routing decision and link transmission is realized, a designed short-distance sub-domain self-adaptive backoff control mechanism and a wide-area sub-domain pre-authorization resource pool are fully reused, and the feasibility and the high efficiency of a protocol are ensured.

This disclosure relates to the provision of cryptographic services to web browsers, and more specifically, to systems and methods for providing cryptographic results to a browser from a cryptographic device over a persistent peer-to-peer connection. A method for obtaining cryptographic services for a browser executing a webpage comprising the steps of establishing a persistent peer-to-peer connection over a wireless Internet Protocol communication network between the browser and a cryptographic device, in response to receiving user input to the webpage, transmitting, by the browser, data indicated by the user input over the persistent peer-to-peer connection to the cryptographic device, for cryptographic processing of the data by the cryptographic device using a cryptographic key stored on the cryptographic device to produce a cryptographic result, and receiving, by the browser, the cryptographic result over the persistent peer-to-peer connection from the cryptographic device, and providing the cryptographic result to the webpage.

The present invention belongs to the field of electric communication and relates to a smart manhole cover with highly reliable wireless communication, which includes a sensor unit, a communication unit, and a control and scheduling unit. The communication unit includes a metropolitan area network communication module and a private communication protocol module. When the metropolitan area network communication module of the smart manhole cover cannot access the metropolitan area network, or when it detects a self-organizing network request from surrounding Internet of Things devices, the private communication protocol module is activated. The private communication protocol module adopts a connectionless mode, which can increase the communication distance and reduce the communication cost. The communication network topology mode is that one wireless Internet of Things device corresponds to n data gateways. Even when most of the data gateways are damaged, it will not affect the transmission of emergency and alarm information, and can effectively improve the reliability of Internet of Things data transmission in an emergency state. The communication unit adopted by the present invention only needs to have a metropolitan area network communication module and a private communication protocol module at the same time, which can not only control the cost but also improve the reliability of data communication.

The disclosure relates to a 5th generation (5G) or 6th generation (6G) communication system for supporting a higher data transmission rate. A device in a wireless communication system, which is a software defined (SD)-wide area network (WAN) edge device, is provided. The device includes at least one transceiver and at least one processor, wherein the at least one processor is configured to generate a plurality of wireless internet protocol (IP) links between the SD-WAN edge and an SD-WAN gateway (GW), and select at least one wireless IP link from among the plurality of wireless IP links on the basis of a policy and wireless quality, wherein the wireless quality includes information on a packet loss of each of the plurality of wireless IP links and information on a throughput (Tput) of each of the plurality of wireless IP links.

The remote operation and maintenance platform comprises an equipment layer, a cloud platform, a platform layer and an application layer, the equipment layer comprises thousand-square-level hydrogen production equipment, and a sensor for monitoring equipment operation and a PLC for controlling equipment operation are installed in the thousand-square-level hydrogen production equipment; the cloud platform is provided with a public cloud or a private cloud, the platform layer is provided with a private cloud server or a local server, the application layer is provided with a local display terminal and a mobile display terminal, both the cloud platform and the platform layer are deployed with Web configuration software, and the equipment layer, the cloud platform and the platform layer are communicated through a wireless internet of things. The cloud platform is communicated with the local display terminal and the mobile display terminal through the wireless Internet of Things, the platform layer is communicated with the local display terminal through a wired private network, the PLC collects data signals transmitted by the sensor and transmits the data signals to the cloud platform and the platform layer, and the platform layer restores the field of the thousand-party-level hydrogen production and water electrolysis hydrogen production system in a mirroring mode.

A system for connecting a device to a front portion of a motor vehicle includes at least a first mounting bracket. The first mounting bracket is configured to connect to a first mounting surface of a first chassis surface or a secondary component of the motor vehicle. The device is selected from: a bumper bar, a license plate holder, a D-ring, a light bar, a bumper mount, a recovery hook, a light pod, a hitch receiver, a flag mount, a camera mount, a fishing rod holder, a bicycle holder, a step, a cargo box, a tie-down point, an oil can, a spare tire mount, a winch, a wireless internet transmitter, a solar panel, a light pole, a pet container anchor, a shelter canopy, an umbrella stand, a table, a hammock, a seating device, a sink device, a grill, a pair of pliers, a shower module, or a toilet module, and combinations thereof.

The invention relates to the technical field of monitoring of pump systems. The invention discloses a wireless internet-of-things information acquisition system for a tower type pumping unit. The wireless internet-of-things information acquisition system comprises a motor test module, a transmission shaft test module, a speed reduction roller test module, a guide bracket test module and a wireless signal acquisition device. According to the invention, a complete sensing network covering a power source-transmission chain-bearing structure is established by integrating four testing modules including a motor, a transmission shaft, a speed reduction roller and a guide bracket; according to the structural characteristics of the tower type pumping unit, strain gauges are deployed in a high-stress area at the root of a guide support to monitor micro-strain changes, and an eddy current sensor and a dynamic torque sensor are adopted at key nodes of a transmission shaft to cooperatively monitor low-frequency bending and high-frequency torsional vibration coupling characteristics; a performance degradation model is conveniently established through long-term data accumulation, and transformation from post maintenance to predictive maintenance is realized in combination with a threshold early warning and trend prediction algorithm.

A system is provided.SOLUTION: A system comprising: means for obtaining location information of a user when the user connects to a wireless internet spot; means for selecting relevant information based on the obtained location information; and means for notifying a messaging application of the user of the selected information.SELECTED DRAWING: Figure 1

The invention discloses an intelligent management system for supplying and recycling cutters and tools, which comprises an intelligent host, at least one cutter cabinet and at least one tool cabinet which are electrically connected with each other, and the intelligent host is provided with a scanning and distinguishing device, a touch display input device and a wired / wireless internet connection line, the intelligent host is provided with a material picking program module, a return program module, an old-to-new module, a replenishment program module, a push early warning notification module and a data analysis and report generation module, after an employee distinguishes and confirms, material picking and return or replacement of an old knife / tool with a new knife / tool can be carried out, a manufacturer can scan a bar code of the knife / tool according to replenishment, replenishment can be carried out immediately, and the replenishment efficiency is improved. In addition, the manufacturer can also receive the push early warning notice to carry out machine maintenance or cutter / tool replenishment, and the manager receives data analysis and report generation so as to understand the use condition of the related cutter / tool, so that the omnibearing cutter / tool management and control effect is achieved.

The present invention relates to a stock and coin operation management system in which, by means of an online / offline wired / wireless Internet network, when a stock and coin investment member information device and a stock and coin exchange member information device are used during stock and coin transactions to entrust stock and coin transactions to a stock and coin service provider content server, a stock and coin investment-dedicated benevolent generative AI, linking a nanosecond (ns) unit investment speed technology and a nanosecond (ns) unit investment recovery speed technology, autonomously performs stock and coin transactions through a first-stage to tenth-stage learning module for machine learning, and learns and performs a function of enabling a stock and coin investment member and a stock and coin exchange member to achieve only investment profits without investment loss.

The present invention provides a vehicle infotainment device combined with a black box, wherein an OS is operated in a sleep mode in which the operation of a camera is in a standby mode while power of a battery is maintained, and when a signal indicating that a vehicle has been started is received, the sleep mode is released and the OS is activated to connect to a vehicle AVN. The present invention comprises: a body (1010) having a predetermined shape; a power connection unit (1020) which is located on the outer surface of the body (1010) and receives power of a vehicle; an AVN connection unit (1030) for connecting to a vehicle AVN by wire or wirelessly; a wireless communication unit (1040); a storage unit (1050) in which various types of information are stored; a battery (1060) which is charged by receiving power of the vehicle through the power connection unit (1020); an OS driving unit (1070) which manages the OS to be maintained while power of the battery (1060) is maintained; a vehicle start management unit (1080) which checks whether the vehicle has been started or stopped; a power supply check unit (1090) which checks whether power is supplied from the vehicle; a black box management unit (1100) which receives and stores video captured by a camera; and a sleep mode management unit (1110) which, when the vehicle is stopped, stops running applications and disconnects a wireless internet network and causes the black box management unit (1100) to enter a standby state.

The present invention discloses a method for rapid frequency recovery for wireless Internet of Things communication and sensing, which mainly solves the problems in the prior art of poor frequency offset estimation accuracy under short PN, difficulty in balancing the estimation range and accuracy, and high complexity. The implementation scheme is as follows: perform coarse frequency offset estimation and coarse frequency offset compensation on the QPSK complex baseband preamble sequence in sequence; use the complex baseband preamble sequence after coarse frequency offset compensation to perform fine frequency offset estimation; calculate the total estimated value using the coarse frequency offset estimated value and the fine frequency offset estimated value; use the total estimated value to perform frequency offset compensation on the signal data part to obtain the recovered signal. When performing frequency offset estimation, the present invention adopts two rounds of estimation, namely coarse estimation and fine estimation, to improve the frequency offset estimation accuracy of short PN. By adopting different estimation intervals for the two rounds of estimation, the maximum frequency estimation range is ensured. By adopting a combination of phase decision and rotation, a non-linear operation structure is avoided, and the complexity of frequency recovery is reduced. It can be used for high-speed and low-latency Internet of Things communication.

1.The name of the design product: device with wireless Internet and intelligent conversation (ZM41). 2.The use of the design product: for wireless connection WIFI hotspot, providing network for electronic devices, and having intelligent voice conversation function. 3.The design points of the design product: the combination of shape, pattern and color. 4.The picture or photo that best shows the design points: front view. 5.The design claimed contains color.

The utility model discloses a wireless Internet of Things controller, relates to the Internet of Things field, and comprises a main support housing, two side edges of the main support housing are symmetrically and fixedly provided with installation side blocks, the top surface of each installation side block is provided with a fixed through hole, one side edge of the main support housing is horizontally inserted with a support column body, and the support column body is provided with a fixed through hole. A main antenna rod is fixedly connected to the end, away from the main supporting shell, of the supporting column body, fixed screw tubes are fixedly clamped to the two side edges of the main supporting shell, a sealing end is fixedly connected to one end of each fixed screw tube in a threaded mode, a covering sealing plate is horizontally connected to the top face of the main supporting shell in a butt joint mode, and broadcasting is carried out through a LoRa wireless module. The control module of the receiving end automatically interprets according to the codes and executes corresponding operations, the whole process does not need manual intervention, the automation degree and the response speed are greatly improved, and a high-reliability isolation power module is adopted, so that the situation that a control chip is damaged and cannot be used due to the fact that the control chip is impacted by an inductive load is avoided.

1. The name of the design product: touch screen module (ESP32-P4 / S3-Touch-LCD-4B). 2. The use of the design product: suitable for learning and secondary development of integrated wireless Internet of Things or intelligent control application module. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This disclosure relates to the provision of cryptographic services to web browsers, and more specifically, to systems and methods for providing cryptographic results to a browser from a cryptographic device over a persistent peer-to-peer connection. A method for obtaining cryptographic services for a browser executing a webpage comprising the steps of establishing a persistent peer-to-peer connection over a wireless Internet Protocol communication network between the browser and a cryptographic device, in response to receiving user input to the webpage, transmitting, by the browser, data indicated by the user input over the persistent peer-to-peer connection to the cryptographic device, for cryptographic processing of the data by the cryptographic device using a cryptographic key stored on the cryptographic device to produce a cryptographic result, and receiving, by the browser, the cryptographic result over the persistent peer-to-peer connection from the cryptographic device, and providing the cryptographic result to the webpage.

The application discloses a data centralizing device and a data transmission system, and belongs to the field of data centralizing devices. The data centralizing device comprises a switch unit, a first wireless internet-of-things unit, a second wireless internet-of-things unit and a central control unit; the first wireless internet-of-things unit and the second wireless internet-of-things unit are electrically connected with the central control unit, the switch unit can be electrically connected with the central control unit, the first wireless internet-of-things unit executes a first protocol, the first wireless internet-of-things unit is connected with an internet-of-things terminal through the first protocol, the second wireless internet-of-things unit executes a second protocol, the second wireless internet-of-things unit is connected with a communication base station through the second protocol, a first end of the switch unit is used for accessing electric energy, and a second end of the switch unit is used for connecting an electric device; wherein the wireless connection range of the first wireless internet-of-things unit is smaller than the wireless connection range of the second wireless internet-of-things unit.

The application relates to the technical field of wireless communication, and particularly discloses a wireless terminal internet-of-things device multi-channel transmission system and method, which comprises the following modules: a data input module for receiving input data from a wireless internet-of-things device or a control center; a channel division and task allocation module for allocating transmission tasks to all channels based on current input data to be transmitted to obtain a transmission task channel allocation result; a data transmission and quality monitoring module for controlling all channels to perform data transmission according to the transmission task channel allocation result and monitoring real-time transmission quality of all channels; and a data receiving and merging optimization module for merging and optimizing real-time data transmission results from all channels when the latest received real-time data transmission result contains a transmission task end identifier and real-time transmission quality of all channels during execution of a current transmission task is not less than a quality threshold value; so as to meet the demand of complex data transmission of the internet of things.

A wireless Internet-of-Things, loT, node, comprising communication means arranged for receiving instructions for operating the wireless loT node, a power supply arranged for receiving a mains supply voltage, via a mains power input, and for down-converting the received mains supply voltage to a Direct Current, DC voltage for providing power to a controller and said communication means, said controller for controlling the communication means and for controlling said wireless loT node based on said received instructions, and for controlling said power supply, wherein the wireless loT node further comprises a switch connected to an input of said power supply and arranged to be connected to said mains power input, wherein said switch is arranged to control a flow of power from said mains supply voltage to said power supply, and ambient empowered communication means arranged for harvesting energy from ambient, wirelessly receiving a wakeup signal, and, triggered by said received wakeup signal, activating said switch, using said harvested power, such that flow of power is enabled from said mains supply voltage to said power supply.

The present invention relates to a thermostat temperature calibration test method, which adopts a dry thermostat temperature calibration device. The device includes a test base, at least one group of flexible thermocouple films, a compensating wire group, a temperature data recording and transmitting device, and a cloud server. Among them, the flexible thermocouple film is connected to the test base by a connecting piece and a socket, the compensating wire group is electrically connected to the test base, the compensating wire group is electrically connected to the temperature data recording and transmitting device, and the temperature data recording and transmitting device is connected to the cloud server through a wireless Internet network for transmission. In the present invention, the temperature measuring element fits more closely to the surface of the heating metal block of the dry thermostat. By adopting the Internet + technology, the original mode that engineers must be present for detection is changed. Through a mobile terminal, measurement parameters can be set in real time, and the measurement process can be observed in real time, having a wide application prospect.

The invention discloses a method and system for intelligently detecting a multifunctional dining table based on the Internet of Things, and the method comprises the steps: (1), according to the geographic position and model of the dining table, matching and setting the types and serial numbers of multi-stage electrical equipment; (2) collecting heater circuit data and temperature data of the dining table and circuit data of a turntable motor and an air draft motor, and forming state data set information of the dining table corresponding to the types and the serial numbers of the electrical equipment; (3) updating and matching the content of the cloud information card through a cloud wireless internet access device, determining set information, and uploading the set information to a cloud platform service system; and (4) when the circuit is detected to be abnormal, performing comparative analysis on abnormal data and normal working data in the database, constructing a neural network training model, judging a fault type and an emergency degree, and sending out a fault alarm. Failure prediction or alarm can be carried out in time, the dining table equipment maintenance efficiency is improved, the normal working state is guaranteed, and the high-quality catering enjoyment experience feeling of a user is enhanced.

The invention belongs to the field of underwater Internet of Things energy supply, and aims to solve the problems that manual battery replacement is high in cost and high in risk, traditional wireless charging lacks an intelligent energy supply strategy adaptive to a network structure, and cluster head nodes are difficult to collaboratively solve high energy consumption and easy to fail. The invention provides an underwater wireless Internet of Things energy supply system and method for enabling a support type robot, an operation and maintenance platform supplies power to the support type robot, receives data and uploads the data, a common node transmits the data to a cluster head, and the cluster head transmits the data to the support type robot. The support type robot sorts charging nodes based on a priority model fusing node residual electric quantity, energy consumption rate, distance and flow field environment, and wireless charging and data acquisition are completed through visual positioning; and the support type robot returns to the operation and maintenance platform after working, self-charging and data uploading are completed, and a complete data-energy closed loop is formed. The method solves the problems of high energy consumption and single-point fault of a traditional cluster head, improves the energy supply accuracy and reliability, reduces the operation and maintenance cost and risk, and is suitable for the scenes of marine monitoring, underwater engineering and the like.

The present application describes machines and methods that leverage enabling technologies such as robotics, sensing, machine learning, and wireless internet coverage (e.g., 5G cell coverage) in order to monitor photovoltaic systems such as solar sites. Machines according to the present disclosure can be operated remotely by users to traverse a solar site and perform a series of inspection steps, such as via an online portal. Autonomous and semi-autonomous operations are also possible. These methods and machines can eliminate the need for a technician to visit the site in person for routine inspection, and can provide better information when a site alarm is triggered so that if a technician does need to visit the site, he or she is better prepared. Also described herein are systems and methods for inventorying solar sites, and systems and methods for inspection of structure-mounted photovoltaic systems.

A communication device is disclosed. Specifically, the communication device may be a telephone service powered hotspot that plugs into a telephone jack of a Public Switched Telephone Network. The telephone plug of the hotspot provides power and a telephone connection for the hotspot. The hotspot may include a modem that can use the telephone connection to connect the hotspot to an Internet Service Provider. By using such a connection, the modem can provide dial-up internet connectivity for the hotspot. The hotspot can use the power supply to provide a wired or wireless power source for nearby devices after a disaster disables usual power sources. The hotspot can use the internet access from the modem to provide wired or wireless internet access for the nearby devices. However, because dial-up connectivity can have a very limited bandwidth, the hotspot may throttle applications when the bandwidth requires such throttling.