12results about How to "Guarantee transmission reliability" patented technology

This invention discloses a miniature intelligent meteorological monitoring terminal and system, including several miniature intelligent meteorological monitoring terminals, an edge computing gateway, a cloud service platform, and a user operation terminal. The miniature intelligent meteorological monitoring terminals wirelessly connect to the edge computing gateway. The advantages of this invention are: by integrating multiple sensors such as temperature and humidity, air pressure, ultrasonic wind speed and direction, and optical rainfall into a sealed housing, and configuring a hidden acquisition probe and a rainproof and dustproof shielding structure, the measurement drift caused by rain and dust contamination of the sensors is effectively avoided. At the same time, the overall system achieves an IP67 waterproof and dustproof rating, adapting to a wide temperature range of outdoor environments from -40℃ to 85℃; it uses an ultra-low power microcontroller with an edge data processing program to realize data filtering calibration, anomaly identification, and local early warning; combined with timed sleep wake-up and solar self-charging power supply, it significantly reduces terminal power consumption and maintenance costs, meeting the long-term continuous monitoring needs in environments without electricity or network.

The utility model relates to lathe technical field provides a good micro - numerical control lathe of chip removal, solve the problem that lathe horizontal work surface falls the chip not easy clearance and the chip falls into the guide rail and influences the problem of tool rest feed. Scheme, the work surface of bed body is inclined surface, the lathe still includes: X axle assembly, include: a) X axle bottom plate, set up on the work surface of bed body, have X axle guide rail on it, b) workbench, slide connection in X axle guide rail, its upper portion is fixed with tool rest, c) first linear drive assembly, drive workbench and move along X axle direction, d) X axle protection assembly, install in workbench X axle direction both ends, protect X axle guide rail, Z axle assembly, include: a) Z axle guide rail, set up in the work surface of bed body, X axle bottom plate bottom slide connection in Z axle guide rail, b) second linear drive assembly, drive X axle bottom plate and move along Z axle direction, c) Z axle protection assembly, install in X axle bottom plate Z axle direction both ends, be used for protecting Z axle guide rail.

The utility model discloses a double-clamping turnover device for a carrier, which belongs to the technical field of automation equipment and comprises a vertical plate, a supporting bottom plate is fixedly connected to the bottom of the front side of the vertical plate, a reinforcing rib is fixed between the vertical plate and the supporting bottom plate, and a turnover module is mounted at the rear end of the middle of the supporting bottom plate. By means of the modular design, rapid clamping, multi-angle overturning and accurate positioning of a carrier are achieved, meanwhile, the multi-angle overturning device is suitable for workpieces of different specifications, the flexibility of a production line is improved, the production efficiency is improved, the production cost is reduced, and the production efficiency is improved. And the production efficiency is improved.

The application discloses a kind of IEC104 protocol fast analysis device and method based on P4 programmable switch, device includes P4 programmable switch main body, protocol analysis unit, rule configuration unit, matching execution unit and unpacking unit;Hardware processing pipeline is equipped in P4 programmable switch main body, protocol analysis unit, matching execution unit, unpacking unit are sequentially arranged in the corresponding position of flow line and are connected, and rule configuration unit is connected with main body control plane in communication.This device cooperates through each unit, solves the drawbacks that existing software analysis delay is high, throughput is low, operation and maintenance are complex and traditional switch cannot be deeply analyzed, without additional deployment host, reduce cost and operation and maintenance difficulty, programmable and adapt to multiple business scenarios, meet the real-time performance, reliability requirements of new power system to communication.

This invention relates to the field of wireless networking technology, specifically to a multipath anti-interference method for decentralized broadband ad hoc networks based on random network coding. It includes: relay nodes scanning the wireless spectrum to generate a network channel quality spectrum; generating network compensation commands based on forward link loss rate; responding to the commands by performing network packet reassembly on the basic network payload using the local network topology vector to generate link transmission compensation packets; executing a fluid routing distribution strategy based on channel quality to push the aggregated wireless relay data streams in parallel to the multipath next-hop nodes; and intercepting automatic retransmission requests based on the feedback effective arrival rank. This invention, through deep coupling of network layer topology reassembly and multipath routing scheduling, achieves proactive compensation for link loss and low-latency transmission in complex electromagnetic environments, significantly improving the throughput and reliability of ad hoc networks.

The present application belongs to the technical field of forest ecological monitoring, and particularly relates to a multi-dimensional forest ecological self-adaptive monitoring coordination method based on star flash technology, which comprises the following steps: constructing an underground-ground-forest canopy three-layer star flash isomerization self-organizing network, acquiring multi-dimensional ecological sensing data and link quality parameters through the network; evaluating the forest environment shielding level and dividing the link quality classification based on the link quality parameters, and adaptively and dynamically adjusting according to the classification results; based on the stable link after regulation and control, forwarding the underground node data to the forest canopy gateway through the ground node relay to form a three-dimensional coordinated monitoring data set carrying a unified time stamp; when there is no remote network coverage, local caching is performed, and after the patrol mobile terminal enters the near field communication range, it is automatically woken up and bulk data is transmitted. The present application solves the problems of poor wireless communication stability, single monitoring dimension and difficult data return in the complex forest environment, and is suitable for long-term unattended ecological monitoring scenes in the wild.

The utility model provides a kind of anticorrosive and antirust round link, it is related to chain technical field, including ten cylinders, first connecting piece is equipped between the both ends of adjacent cylinder, second connecting piece is equipped between adjacent first connecting piece, the side wall of first connecting piece and close to both ends are all set with second ring groove, bearing ring is rotatably connected with bearing ring by being embedded in the inside of second ring groove, sealing ring pad is embedded in the inside of second ring groove and close to bearing ring side, the inside of cylinder is equipped with fixed cylinder.The utility model, chain each component surface is coated with anticorrosive and antirust layer, cooperate sealing ring pad, convex cylinder and other structures, effectively isolate moisture, corrosive medium, still can long-term stable operation in humid, acid-base, salt fog environment, greatly prolong service life, by screw rod, protruding piece, embedded hole and other designs, without special tool, damaged chain link can be quickly disassembled and replaced, local maintenance cost is low, shorten equipment downtime, improve operation efficiency.

The invention discloses an axial vibration isolation device of an underwater glider attitude adjusting motor based on an acoustic metamaterial, and belongs to the technical field of underwater equipment noise reduction, and the axial vibration isolation device comprises a vibration isolation piece made of an elastic damping material, and a periodic geometric structure is arranged on a body of the vibration isolation piece and is used for forming an elastic wave band gap for a vibration signal of a specific frequency band; the structural supporting piece is used for installing and supporting the vibration isolation piece; and the flexible transmission part is used for being connected with the transmission shaft and has a secondary vibration absorption function. The vibration isolation piece, the structure supporting piece and the flexible transmission piece are integrated, and efficient vibration isolation is achieved through the band gap characteristic of the vibration isolation piece and cooperative dissipation of the flexible transmission piece on vibration energy. The device is compact in structure, has the functions of torque bearing and vibration reduction, can effectively suppress vibration at the frequency band of 600Hz-1500Hz through parameterization design, has the maximum deformation not exceeding 0.5 mm, is suitable for the axial vibration isolation requirements of posture adjusting motors of underwater gliders of multiple models, and improves the signal acquisition precision of an acoustic sensor.

This invention discloses a mobile data communication service system, specifically relating to the field of mobile communication resource scheduling technology. It addresses the problem of transmission instability caused by existing wireless resource scheduling methods that focus only on instantaneous channel states while neglecting the continuous transmission requirements of service flows when dealing with persistent services. The system employs a system where: an information acquisition module acquires service data flow characteristic parameters and instantaneous channel state information; a service parsing module identifies persistent service data flows and parses the structure of service data units, assessing the strength of internal logical dependencies; a key marking module marks data units with internal logical dependencies exceeding a threshold as key service data units; a feature analysis module constructs a channel state fluctuation propagation path diagram and extracts multi-scale entropy features; an impact assessment module evaluates the degree of transmission impact through cross-point analysis; and a policy execution module generates a resource allocation policy and allocates wireless resources to persistent service data flows, achieving coordinated optimization of service requirements and channel states.

This application provides a TSN system for nuclear power environments. The TSN system includes a TSN switch, on which an environmental monitoring module, a security authentication module, and a scheduling module are deployed. The environmental monitoring module is configured to: monitor the radiation level of the communication environment and send the radiation level data to the security authentication module and the scheduling module; the security authentication module is configured to: perform a security check on the received information; if the security check passes, obtain the security level of the information based on the security level of the terminal device sending the information; select a corresponding encryption algorithm to decrypt the information based on the radiation level to obtain the encapsulated service instructions; the scheduling module is configured to: perform deep packet inspection on the service instructions to obtain the service type matching the service instructions; allocate the service priority of the information corresponding to the service instructions based on the timeliness level of the service type; and map the information to the output queue based on the radiation level, the service priority of the information, and the security level.

The invention discloses a civil engineering material carrying AGV trolley, and relates to the technical field of automatic guided vehicles. The guide part is arranged at the front end of the bearing table, and the crawler walking parts are arranged at the four corners of the bottom of the bearing table. The crawler walking part comprises a support fixed to the side wall of the bottom of the bearing table and first supporting arms arranged on the two sides of the bottom of the support in an inclined mode, second supporting arms are arranged at the ends of the first supporting arms, the two ends of each second supporting arm are rotationally connected with supporting walking wheels through wheel shafts, and a driving wheel is further arranged on one side of the support. According to the AGV trolley, the crawler walking parts are arranged and conduct walking supporting through the crawler belts, so that the AGV trolley can be suitable for the road surface condition of a construction site, the four sets of crawler walking parts are arranged, each set of crawler walking parts is independently arranged, and therefore on one hand, the escape capacity of the whole AGV trolley is improved, and on the other hand, the functions of pivot steering and the like can be achieved; and the reliable transportation capacity on the construction site pavement is improved.

The invention relates to the technical field of optical communication, in particular to an OTN (Optical Transport Network) network transmission method and device based on dynamic bandwidth adjustment, which converts an OTN rigid pipeline into an elastic intelligent pipeline, remarkably improves the bandwidth resource utilization rate, realizes the millisecond-level agile adjustment of bandwidth by automatically sensing the change of service load, and improves the bandwidth transmission efficiency. The on-demand instant supply requirement of scenes such as cloud service and 5G slicing is met, the service response time is greatly shortened, the rate and power linkage mechanism effectively reduces port power consumption, the green communication development target is met, the technical scheme is achieved in a standard OTN frame structure, existing equipment and an operation and maintenance system are perfectly compatible, smooth network evolution is supported, and the method is suitable for large-scale popularization and application. The multi-time-scale intelligent decision-making architecture not only can quickly deal with burst traffic, but also can realize traffic shaping through a prediction algorithm to avoid link oscillation, and the overhead reconstruction method realizes accurate clock synchronization through in-band signaling to continuously guarantee transmission reliability in the whole dynamic adjustment process.