39results about How to "Guaranteed normal data transmission" patented technology

The invention discloses an electronic tax bureau system which comprises a foreground Internet application end, a tax center station and a background tax end. The foreground Internet application end isused for receiving information input by a user, and the information comprises a query instruction or tax data; the tax center station is used for collecting, processing and storing the tax data, sending a service request to the background tax side according to the collected tax data, calling corresponding tax administration data according to the query instruction, and sending the tax administration data to the foreground Internet application end; and the background tax side is used for receiving the service request, verifying the legality of the request and carrying out service processing onthe service request. According to the system provided by the invention, front and back platform full-service, full-process and full-channel butt joint and intercommunication can be realized.

The invention discloses a synchronous clock circuit with the same source. Multiple synchronous clock signals with the same source, which are suitable for a high-speed circuit, are generated on the basis of an active crystal oscillator, clock frequency dividers and clock generators. The active crystal oscillator serving as a clock source is formed by a crystal resonator and an oscillation circuit. Fixed-frequency clock signals generated by the active crystal oscillator serve as a clock source in an entire module. One clock frequency divider generates multiple synchronous low frequency clock signals with the same frequency on the basis of the clock source. The above low frequency clock signals can directly be used as a system clock of processors in the module. One clock generator takes one of the low frequency clock signals as a reference clock to generate multiple high frequency clock signals. The high frequency clock signals can serve as a reference clock for working of high speed interfaces of the high-performance processors, and also can serve as an input clock of one high speed clock frequency divider. In this way, clock synchronization with the same source in the module can be realized, and the problem of the many types and the excessive number of crystal oscillators of a conventional synchronous clock circuit with the same source as well as the problem of synchronization and the same source during data interaction and communication among high speed buses are overcome.

The invention discloses display equipment and a Bluetooth audio transmission method. The display equipment comprises a Bluetooth module and a controller, wherein the Bluetooth module comprises a plurality of links, and each link can serve as a target link and is configured to be used for transmitting audio data to Bluetooth audio equipment; the controller is used for being in communication connection with the Bluetooth module; the controller is configured to monitor the transmission condition of audio data on each target link, and increase the compression amount of the audio data on the firsttarget link if the transmission efficiency of the audio data on the first target link is low; and the first target link is any one of the target links. The display equipment and the Bluetooth audio transmission method provided by the invention monitor each target link used for transmitting the audio data to the Bluetooth audio device, and increase the compression amount of the audio data on the target link if the transmission efficiency in any target link is low, thereby ensuring that ensuring that the target link normally transmits the data, and further ensuring that a plurality sets of audioequipment connected with the display equipment at the same time normally play audios.

The invention relates to an image sensing synchronized method and a circuit thereof; wherein the synchronized method comprises: calculating frequency division value according to ADC output data bit length and CPU camera interface DMA bit length in advance; providing a system clock for the CPU and dividing frequency according to the requirement of the frequency division value or directly providing the system clock for an image sensor and the ADC; a synchronized circuit comprises the system clock, a frequency divider and a PWM signal generation unit. The image sensing synchronized method and the circuit thereof ensure transmission of image sensing data in DMA way, and compared with the existing concurrent bus way, loss of pixel data does not occur.

The invention belongs to the field of short-wave radio data communication and discloses a short-wave radio data communication interface conversion device and a short-wave radio data communication interface conversion method. The short-wave radio data communication interface conversion device comprises an information processing and exchange unit, an interface unit, a power supply unit and a human-computer interaction unit, wherein the information processing and exchange unit comprises an ARM processor and an RAM chip, the interface unit comprises a USB interface, an RJ45 interface, an RS422 interface, an RS232 interface, a USB socket, an RJ45 socket, an RS422 socket and an RS232 socket, the USB interface, the RJ45 interface, the RS422 interface and the RS232 interface are electrically connected with the ARM processor, the USB socket, the RJ45 socket and the RS422 socket are connected with a short-wave radio data terminal, and the RS232 socket is used for being connected with a short-wave radio data communication interface. The short-wave radio data communication interface conversion device and the short-wave radio data communication interface conversion method provide a guarantee for application of short-wave radio data transmission in different fields.

The invention relates to the technical field of computer application, in particular to a WiFi-ZigBee network-oriented cooperative transmission method, establishes a coexistence network cooperative transmission model, provides a dynamic convergence blank gap technology, and improves the communication efficiency by reasonably scheduling blank gaps generated in a WiFi network communication process, the data transmission of the ZigBee network in the heterogeneous network coexistence environment is ensured; a non-feedback network layer data coding technology is used, a WiFi AP is selected as a coordinator of a heterogeneous network, the number of data packets needing to be sent to the network is determined according to WiFi network communication flow in a period, data coding is carried out on the data, and when the number of the sent data packets reaches a threshold value, successful decoding feedback of a receiver does not need to be received, and the generation and the transmission of the data packet are stopped. According to the invention, ZigBee communication in a heterogeneous network can be protected from WiFi interference, the transmission delay of a data packet is reduced, the data packet receiving rate of the ZigBee network is increased, the asymmetry of a WiFi-ZigBee communication link is improved, and the transmission reliability is improved.

The invention discloses a multifunctional intelligent high-speed photographic device. The device comprises a multifunctional visual read-write operation main body, a connecting main body fixing piece,a high-speed photographic support arm and an image acquisition device, wherein the connecting main body fixing piece is connected with the multifunctional visual read-write operation main body and the high-speed photographing supporting arm, the high-speed photographing supporting arm is of a through body structure at least comprising two connecting ports, one connecting port is connected with the connecting main body fixing piece, and the other connecting port is connected with the image acquisition device; read-write functions can be integrated, and meanwhile, a visual intelligent operationfunction, a fingerprint recognition function, a key operation function, a voice function and the like are included, so that the service operation is simpler and more convenient.

The invention discloses a private network ground detection device with an SPW interface based on an FPGA, and a method, and mainly solves the problem that ground detection cannot be achieved in the prior art. The device comprises a detection system and an FMC expansion slot, and the detection system is connected with external special switching network equipment through the FMC expansion slot. Thedetection system is realized through an FPGA. The system comprises an Ethernet media access control processor, a frame shaping module, a port polling module, a port processing module, an SPW interfacemodule and a DS signal sampling module. The modules receive Ethernet frames, convert the Ethernet frames into dedicated frame data, encode the dedicated frame data into DS signals, send the DS signals out of the FMC expansion slot, receive data on an SPW link, convert the data into Ethernet frames and send the Ethernet frames to Ethernet equipment. The method has the advantages of being good in transportability, accurate and stable in signal sampling and capable of achieving DS signal cross-board transmission, and can be used for adaptation of an Ethernet protocol and an SPW protocol.

The invention discloses a federal learning-based prediction method and device, a storage medium and remote sensing equipment, and relates to the technical field of data processing. The method comprises the following steps: S1, receiving data: receiving data collected from the outside; and S2, inputting data: inputting the data in the step S1 into a federal learning prediction program. The method has the beneficial effects that network control is carried out on the data based on federal learning prediction, so that network speed and overall fluency delay are relieved during data transmission, and normal data transmission is ensured; screening and formula calculation are carried out on the data based on federated learning prediction, a statistical result enables a part of undemanded data to be directly filtered during data summarization, occupation of a transmission channel is reduced, the transmission speed and efficiency are improved, loss of overall data caused by network disconnection is avoided; and comprehensive utilization of high-altitude data is realized based on federal learning, and the technical bottleneck of data transmission is broken.

The invention discloses a termination box suitable for the in-situ reformation of a ring main unit. The termination box comprises the ring main unit and a side cabinet, wherein the side cabinet consists of three parts of a terminal strip chamber, a DTU (Date Transfer Unit) chamber and an optical transceiver chamber; a terminal strip is arranged in the terminal strip chamber; the terminal strip comprises a wiring terminal base plate; a circular arc type connecting copper bar is arranged in the wiring terminal base plate; the circular arc type connecting copper bar is provided with multiple rectilinear sections and multiple circular-arc sections; the radian of each circular-arc section is 90 degrees; the rectilinear sections of the circular arc type connecting copper bar are provided with bolt type wiring posts; the bolt type wiring posts and the circular arc type connecting copper bar are all coated with conducting polyaniline material; a wireless communication module comprises a CPU (Central Processing Unit) control module, a communication power supply module, a wifi (Wireless Fidelity) communication module and a GPRS (General Packet Radio Service) communication module; the wifi communication module is connected with a cloud-side server through the GPRS communication module or multiple wifi hot spots, and periodically updates a wifi account password list from the cloud-side server. By using the termination box, the in-situ reformation can be carried out on an old ring main unit; a limited space is sufficiently utilized; the fit extent of a contact surface is effectively improved; the contact resistance is decreased; the occurrence of electric arcs is decreased; the signal loss is reduced; the safety and the signal stability of a power distribution device are improved; the transmission timeliness of data is guaranteed.

The invention discloses a data transmission method and device, and equipment. The method comprises the following steps: in response to the interruption of data transmission of a data acquisition device, enabling mobile equipment to move along a preset line and detect whether a 5G signal transmitted by a base station is searched or not, wherein the mobile equipment carries a 5G communication module; if the 5G signal is searched, establishing a network connection with the base station and the data acquisition device; and receiving the transmission data sent by the data acquisition device, and sending the transmission data to the base station through a D2D communication technology so as to transmit the transmission data through the base station. In this way, the network communication of the data acquisition device can be rapidly recovered.

The invention discloses a sound-light alarm with multiple communication, which comprises a battery, a charging module, a power supply module, a CPU main control module, a memory, a communication module, a display module, a sensor acquisition module and an alarming module, and is characterized in that the charging module is respectively connected with the battery and the power supply module; the power supply module is connected with the CPU main control module; the CPU main control module is respectively connected with the memory, the communication module, the display module, the sensor acquisition module, the alarming module and a control button. The sound-light alarm with multiple communication has the advantages that multiple communication connection modes are provided; the data transmission rate is increased; the data transmission is effectively ensured and the like.

The invention relates to an intelligent operation and maintenance system for a photovoltaic power station. The system comprises a carrying track which is arranged in the photovoltaic power station, a carrying trolley which is operated on the carrying track, a tool bearing bar which is used for holding a plurality of executing tools, and a tool clamping device which is used for clamping the executing tools from the tool bearing bar; an independent power supply and a driving device which is connected with the independent power supply are arranged on the carrying trolley; the tool bearing bar and the tool clamping device are mounted on the carrying trolley. According to the intelligent operation and maintenance system for the photovoltaic power station, the pre-laid carrying track is adopted and can completely cover the overall photovoltaic power station, and simultaneously various tasks in the operation and maintenance of the photovoltaic power station are executed by operating the executing tools, so that full-automatic and full-coverage photovoltaic power station operation and maintenance can be realized.

The invention discloses an Ad Hoc network realization method, which comprises the steps of: acquiring relevant information of network equipment when receiving a connection request of the network equipment or a transmitting request of a data message; and judging whether a centralized controller passing bidirectional identification and authentication exists, and carrying out identification and authentication according to the relevant information of the network equipment if a centralized controller passing bidirectional identification and authentication does not exist. The invention further discloses an Ad Hoc network realization device and a storage medium. In the process of performing network equipment control simultaneously by adopting two controllers, a distributed controller carries outidentification and authentication of the network equipment when the centralized controller is unavailable, thereby guaranteeing the networking and data transmission of the network equipment.

The invention provides a method for improving the data transmission speed of multi-link equipment, which comprises the following steps that: the multi-link equipment A receives a connection request from a user A, and establishes connection between the user A and a user B through a TCP acceleration module 1 of the multi-link equipment A and a TCP acceleration module 2 of the multi-link equipment B based on the connection request; based on the connection between the user A and the user B, the user A transmits data to the user B; according to the invention, the multi-link device A and the multi-link device B are arranged, so that the user communicates with the multi-link device first and then arrives at another user, and the TCP protocol of the user A considers that the access is very good, thereby greatly improving the data output speed, guaranteeing the data transmission volume among the multi-link devices after the output speed of the user is improved, and improving the user experience. The advantages of the multi-link equipment are better played, the user experience is greatly improved, and the win-win effect is achieved.

The invention relates to the field of electric energy meters, and discloses a multi-master multi-slave transparent transmission system of a BLE Bluetooth electric energy meter. The system comprises master-slave BLE Bluetooth pairing, standard protocol data inspection, working mode selection and communication system performance verification. According to the invention, the problem that layout and wiring need to be considered on site during construction of a traditional electric energy meter is solved, the BLE adopts an asymmetric encryption technology, data transmission has better safety, the BLE adopts radio communication, the problem that data transmission needs to be aligned does not exist, and when a large amount of data is collected, the correctness of data transmission can also be guaranteed, the transmission distance is relatively long, multiple paths of data can be verified at the same time, transparent transmission and sharing of the data can be realized, the state of each node can be mastered in real time, the equipment replacement is more flexible, and the electric energy meter can discover the abnormity of the terminal equipment in time and report the state of the intelligent terminal equipment in time; the equipment is convenient to replace in time, the safety of data communication is guaranteed, and the data communication of the equipment can be recovered in time.

The invention provides a method and a device for processing Wi-Fi signal intensity and a server. The method for processing the Wi-Fi signal intensity comprises the steps of obtaining the Wi-Fi signal intensity in a preset area and a current position of a planting device; generating a Wi-Fi signal intensity distribution diagram in the preset area based on the Wi-Fi signal intensity in the preset area; marking the current position on the Wi-Fi signal intensity distribution diagram; and sending the Wi-Fi signal intensity distribution diagram marked with the current position to a terminal or the planting device. Through the technical scheme, a user can know about the Wi-Fi signal intensity of the planting device conveniently, and normal data transmission of the planting device is accordingly guaranteed.

The present invention discloses a terminal firmware over-the-air upgrade system and an over-the-air upgrade method. The system includes at least one remote server and a plurality of terminals. Each terminal performs independent networking according to its own networking restrictions, and at the same time satisfies its own networking restrictions. Conditional multiple terminals form a terminal cluster through autonomous networking; both the remote server and the terminal cluster store firmware upgrade data for over-the-air terminal firmware upgrades; when there are terminals that need to be upgraded in the system, The terminal can obtain firmware upgrade data from remote servers and terminal clusters. The present invention combines the Internet of Things and the block chain, and the terminal will obtain the data required for the upgrade from multiple sources when performing the upgrade operation, so the data acquisition efficiency will be greatly improved.

The invention discloses an FPGA-based special network ground inspection device and method with an SPW interface, which mainly solves the problem that the ground detection cannot be realized in the prior art. The device of the present invention includes a detection system and an FMC expansion slot, and the detection system is connected with external dedicated switching network equipment through the FMC expansion slot. The detection system is realized by FPGA, which includes an Ethernet media access control processor, a frame shaping module, a port polling module, a port processing module, an SPW interface module and a DS signal sampling module, through which the Ethernet frame is received, and its After converting into dedicated frame data, encode it into DS signal and send it out from the FMC expansion slot, and receive the data on the SPW link, convert it into Ethernet frame, and send it to the Ethernet device. The invention has the advantages of good portability, accurate and stable signal sampling, and can realize cross-board transmission of DS signals, and can be used for adapting the Ethernet protocol and the SPW protocol.

The invention relates to a fire extinguisher management system, which is characterized by comprising fire extinguisher assemblies, building numerical control assemblies and a master control system. Each fire extinguisher assembly is directly connected with a pressure gauge port of a fire extinguisher and is used for judging whether the fire extinguisher is in voltage shortage or not and collectingex-factory cure address information; the building numerical control assemblies are connected with the various fire extinguisher assemblies; the master control system is connected with the various building numerical control assemblies; the building numerical control assemblies supply power to the fire extinguisher assemblies through power cables, collect the voltage shortage information and the address information of the fire extinguisher assemblies through wired communication circuits, and transmit the information to the master control system through optical fibers converted from RS485; the master control system receives data, stores and analyzes. The defects of the prior art are overcome, a terminal assembly can directly replace a traditional pressure gauge so as to be simple and convenient to install, accurate in measured data, data transmission is guaranteed, is anti-interference, and capable of realizing managing and monitoring the fire extinguishers of the whole floor and the whole building.

The invention discloses a greenhouse data acquisition system based on a wireless sensor network. The system comprises a cloud server, a wireless gateway, a wireless router, a controller and a data acquisition end. The cloud server is in communication connection with the wireless gateway; the wireless router is used for connecting the wireless gateway and the controller; the data acquisition end isconnected with the controller and used for sending acquired data information to the controller, a Bluetooth module is embedded in the controller, and when a network fails or data information in a greenhouse needs to be checked in a close range, the Bluetooth module can be connected with mobile terminal equipment of a user for checking. Data can be effectively sent to an upper computer in time, the function of timely checking in a short distance is achieved, and convenience is provided for greenhouse farmer households to manage greenhouses.

Provided by the present invention are a processing method for Wi-Fi signal strength, a processing device and a server, the processing method for Wi-Fi signal strength comprising: obtaining Wi-Fi signal strength in a preset area and the current position of a planting device; generating a Wi-Fi signal strength distribution diagram in the preset area according to the Wi-Fi signal strength in the preset area; marking the the current position on the Wi-Fi signal strength distribution diagram; and sending the Wi-Fi signal strength distribution diagram having the marked current position to a terminal or the planting device. By means of the technical solution of the present invention, a user may easily learn of Wi-Fi signal strength of a planting device, thereby guaranteeing that the the planting device may normally transmit data.

The invention discloses a terminal firmware over-the-air upgrading system and an over-the-air upgrading method. The system comprises at least one far-end server and a plurality of terminals, wherein each terminal carries out autonomous networking according to a networking limiting condition of the terminal. Meanwhile, multiple terminals meeting respective networking limiting conditions jointly form a terminal cluster in an autonomous networking mode; firmware upgrading data used for achieving terminal firmware over-the-air upgrading is stored in the far-end server and the terminal cluster; andwhen a terminal needing firmware upgrading exists in the system, the terminal can obtain the firmware upgrading data from the far-end server and the terminal cluster. According to the invention, theInternet of Things is combined with the block chain, and the terminal can acquire the data required for upgrading from multiple sources when executing the upgrading operation, so that the data acquisition efficiency can be greatly improved.

The present invention relates to the field of computer application technology, in particular to a method for WiFi-ZigBee network cooperative transmission, establishes a coexistence network cooperative transmission model, and proposes a dynamic convergence blank gap technology, by analyzing the blanks generated in the WiFi network communication process The gap is reasonably scheduled to ensure the data transmission of the ZigBee network in the heterogeneous network coexistence environment; and a non-feedback network layer data encoding technology is used, and the WiFi AP is selected as the coordinator of the heterogeneous network. According to the periodical WiFi network communication flow , to determine the number of data packets that need to be sent to the network and encode the data. When the number of sent data packets reaches the threshold, the generation and transmission of data packets will be stopped without receiving feedback of successful decoding from the receiver. The invention can protect ZigBee communication in a heterogeneous network from being interfered by WiFi, reduce the transmission delay of data packets, increase the data packet reception rate of ZigBee network, improve the asymmetry of WiFi-ZigBee communication links and enhance transmission reliability.

The invention discloses a wireless networking system of an unmanned aerial vehicle, which comprises the unmanned aerial vehicle and at least one star-shaped terminal, and is characterized in that each star-shaped terminal is provided with an edge gateway for receiving, forwarding and processing connection and video data transmitted by the star-shaped terminal; the unmanned aerial vehicle is in bidirectional wireless communication with any edge gateway or star-shaped terminal to form an ad hoc network, each communication unmanned aerial vehicle is allowed to be freely integrated into and separated from the network, the unmanned aerial vehicle and the star-shaped terminal are responsible for data monitoring, acquisition and transmission, and the edge gateways transmit data to a background through an OPGW, so that access of equipment and data transmission are ensured; wide coverage and high bandwidth are realized, so that automatic network access and wireless image transmission of the unmanned aerial vehicle and automatic off-network after departure are facilitated, in addition, the AP in the wireless network has automatic discovery and dynamic routing connection, when one unmanned aerial vehicle node fails, a path which originally communicates through the node can find a replacement path again, and the communication efficiency of the unmanned aerial vehicle is improved. And the connectivity of the network can be ensured not to be interrupted.

The invention relates to a safety protection interface device for a cloud computing platform, and effectively solves the problems that in the prior art, a server and different nodes are not used, automatic exchange connection cannot be achieved, and transmission efficiency is affected by line change after a transmission line and a connector break down. According to the technical scheme, the devicecomprises a multi-layer cabinet, a socket plate is fixedly connected to one end of the cabinet, a plurality of sockets are evenly formed in the socket plate, vertical rails arranged on the socket plate are arranged on the two sides of the sockets, transposition bases are connected into the two vertical rails in an up-down sliding mode, and base transverse rails are fixedly connected to the lowerends of the two transposition bases; multi-stage telescopic rods are fixedly connected to the upper ends of the two transposition bases, wedge-shaped blocks slidably connected to the corresponding transposition bases are fixedly connected to one ends of the two multi-stage telescopic rods, and electromagnets are fixedly connected to one ends of the two wedge-shaped blocks. The device is ingeniousin structure, convenient to control, capable of effectively achieving cross connection and data transmission between different servers and different nodes, and high in practicability.

The invention discloses a termination box suitable for the in-situ reformation of a ring main unit. The termination box comprises the ring main unit and a side cabinet, wherein the side cabinet consists of three parts of a terminal strip chamber, a DTU (Date Transfer Unit) chamber and an optical transceiver chamber; a terminal strip is arranged in the terminal strip chamber; the terminal strip comprises a wiring terminal base plate; a circular arc type connecting copper bar is arranged in the wiring terminal base plate; the circular arc type connecting copper bar is provided with multiple rectilinear sections and multiple circular-arc sections; the radian of each circular-arc section is 90 degrees; the rectilinear sections of the circular arc type connecting copper bar are provided with bolt type wiring posts; the bolt type wiring posts and the circular arc type connecting copper bar are all coated with conducting polyaniline material; a wireless communication module comprises a CPU (Central Processing Unit) control module, a communication power supply module, a wifi (Wireless Fidelity) communication module and a GPRS (General Packet Radio Service) communication module; the wifi communication module is connected with a cloud-side server through the GPRS communication module or multiple wifi hot spots, and periodically updates a wifi account password list from the cloud-side server. By using the termination box, the in-situ reformation can be carried out on an old ring main unit; a limited space is sufficiently utilized; the fit extent of a contact surface is effectively improved; the contact resistance is decreased; the occurrence of electric arcs is decreased; the signal loss is reduced; the safety and the signal stability of a power distribution device are improved; the transmission timeliness of data is guaranteed.

The invention discloses information push system and method. The information push system comprises a first client which has matched unique adders information and an account name corresponding to the address information and is used for sending or receiving data, a second client which has matched unique address information and the account name corresponding to the address information and is used for sending or receiving the data, and a server which is in remote connection with the first client and the second client through the wide area network or the local area network and used for storing the address information and the account names of the address information of the first client and the second client as well as building network connection between the first client and the second client; an indoor unit can be connected with a mobile terminal by three ways to transmit data, so as to ensure that a user can transmit data between the mobile terminal and the indoor unit under different networks, and as a result, the data transmission capacity can be improved.

The invention provides a factory equipment tour and point inspection recording device, which comprises a shell. A light source is arranged on the outer surface of the shell, the shell is internally provided with an NFC data collecting and transmitting module, a control module, a fingerprint recognition module, a data storage module, a clock automatic generation module, a data uploading communication module and a display module, the control module is connected with the NFC data collecting and transmitting module, the fingerprint recognition module, the data storage module and the display module, the data storage module is connected with the clock automatic generation module used for automatically loading time and the date for stored information, and the data storage module is connected withthe data uploading communication module used for being matched with a target host for uploading data. The factory equipment tour and point inspection recording device is used for solving the technical problem that a factory equipment tour and point inspection recording device cannot transmit photons to start a factory equipment tour and point inspection marking device with a solar cell panel.

The present invention provides an information processing method for location area update. The method comprises the following steps: when a user equipment moves to a new location area, a first management network element acquires instruction information sent by the user equipment or a second management network element, and initiates, according to the instruction information, to a serving gateway an operation request for first deleting a session and then establishing a session, the instruction information being used for instructing the first management network element to initiate the operation request for first deleting a session and then establishing a session (S101); and the first management network element receives a session creation request sent by the serving gateway, and sends a location update request to a home subscriber server (HSS) (S102). The present invention also provides an information processing apparatus for location area update. By means of the present invention, an address of a serving gateway can be updated in a timely manner, thereby ensuring that data is normally transmitted through a data channel.