21results about How to "Improve protection efficiency" patented technology

The application discloses a method for monitoring and controlling corrosion environment of an underwater concrete structure in a brackish water area, and the method comprises the following steps: laying a monitoring system, monitoring the concentration of chloride ions, analyzing data of the distribution of the concentration of chloride ions, dividing the area according to the concentration of chloride ions, adjusting an impressed current, and giving a warning of the corrosion environment; the brackish water area is divided into a constant saltwater area, a constant freshwater area and a brackish water interface change area by continuously collecting data of the concentration of chloride ions and constructing a concentration field and a gradient field model, so that the risk degree of the corrosion environment can be directly reflected, and the cathodic protection parameters can be dynamically adjusted according to the real-time corrected chloride ion concentration field model, thereby realizing the intelligent monitoring, early warning and control of the corrosion environment of the underwater concrete structure in the brackish water area.

The invention belongs to the technical field of cosmetics, and discloses a water-sweat-resistant and sunscreen synergistic composition as well as a preparation method and application thereof. The composition comprises the following components: rice starch, candelilla wax, sunflower seed wax, silica and beewax. According to the formula of the composition, the rice starch, the candelilla wax, the sunflower seed wax, the silica and the beewax are contained, and through the unique formula combination, a good synergistic effect is generated among all the components, so that the composition has excellent water and sweat resistance durability and sunscreen synergism.

The invention discloses a power transmission line bird-related risk monitoring method, system and device based on multi-behavior recognition, and relates to the technical field of power transmission line protection monitoring, and the method comprises the following steps: obtaining a multi-modal monitoring data flow of bird activities in a target area; identifying a bird basic behavior event related to the power transmission line risk from the multi-modal monitoring data stream; based on the basic behavior event, generating a bird-related risk quantitative index curve with continuous time in real time; performing time sequence analysis on the bird-related risk quantitative index curve, and dynamically delimiting a risk time period matched with a bird activity rhythm by detecting a waveform interval conforming to a preset risk mode characteristic in the curve; and adjusting a protection strategy of the power transmission line based on the dynamically delimited risk time period. According to the invention, continuous quantitative characterization of the bird line-related risk and dynamic delimitation of the risk time period are realized, the timeliness and pertinence of bird-related risk monitoring are improved, and active protection and safe operation of a power transmission line are facilitated.

The invention provides a composite fireproof system and method for power equipment, and belongs to the technical field of power equipment protection, and the composite fireproof system comprises an L-shaped fireproof partition plate, a flexible fireproof blanket assembly and a thermal response protection module. The L-shaped fireproof partition plate comprises a long side and a short side which are vertical and are transited through a first arc connecting part; the outer edge of the short edge is connected with an inclined plate inclined outwards through a second arc connecting part, and the edge is provided with a neodymium iron boron magnetic fixing strip. The flexible fireproof blanket assembly comprises a body and magnetic connecting pieces embedded in the edge, and the magnetic connecting pieces are fixed to the neodymium iron boron magnetic fixing strips in a matched mode. The thermal response protection module comprises a temperature monitoring unit, a phase change heat absorption unit and an aerogel strengthening unit, is arranged on the L-shaped fireproof partition plate and / or the fireproof blanket body and can trigger a response mechanism according to temperature changes. According to the composite fireproof system for the power equipment, the problems of limited fireproof performance, poor adaptability, insufficient sealing and the like of a traditional scheme are comprehensively solved.

The invention provides an AI video monitoring platform based on an RISC-V framework. The AI video monitoring platform comprises eight levels of frameworks including an equipment perception layer, an edge computing layer, a data access layer, a data processing layer, a data storage layer, an algorithm engine layer, a platform application layer and an industry application layer. The invention belongs to the technical field of monitoring platforms, particularly relates to an AI video monitoring platform of an RISC-V architecture, and aims to at least solve the problems that traditional security depends on manual screen staring and inspection, abnormal event recognition lags behind and the missing report rate is high, and the existing system is high in authorization cost, insufficient in edge scene energy efficiency ratio and poor in adaptability. The risks that the data transmission delay is high, real-time early warning cannot be supported and privacy leakage exists in original video cloud storage due to a front end-cloud framework are avoided; the method avoids the phenomena that different brand devices and platform protocols are not uniform, the compatibility is poor, the deployment and maintenance cost is high, and the expansion capability is weak, and overcomes the defects that a general algorithm is insufficient in precision, lacks an industry exclusive algorithm, and cannot cover the multi-scene safety protection requirement.

The invention provides an air curtain protection structure of a measuring device and an airflow distribution adjusting method. The air curtain protection structure comprises a mounting bracket; the two first nozzles are symmetrically arranged on the two sides of the mounting bracket, each first nozzle is provided with a strip-shaped first air jet hole and can generate a first thin-layer air curtain, the air outlet ends of the two first air jet holes face the detection direction of the measuring device and incline inwards, and the two first thin-layer air curtains can be converged in front of the measuring device; the second nozzle is horizontally arranged at the upper end of the mounting bracket, the second nozzle is provided with a strip-shaped second air jet opening facing the detection direction of the measuring device, the second air jet opening can generate a second thin-layer air curtain, the second thin-layer air curtain and the two first thin-layer air curtains form a three-dimensional air curtain barrier, and the measuring device is located in the three-dimensional air curtain barrier. The air curtain protection structure of the measuring device is compact in structure and high in integration level, the measuring assembly can be efficiently protected, and reliable guarantee is provided for long-term stable operation of the measuring device in a complex industrial environment.

The invention discloses an intelligent response type marine antirust agent composition as well as a preparation method and application thereof. The intelligent response type marine antirust agent composition comprises a solvent and the following components in parts by mass: 6-8 parts of ion response microcapsules, 6-8 parts of photo-thermal response microcapsules, 6-9 parts of benzotriazole covalent grafting modified functionalized graphene oxide and 34-38 parts of film-forming resin, a capsule core of the ion response microcapsule is a corrosion inhibitor; the capsule wall is a polyelectrolyte composite membrane formed by self-assembling cationic polyelectrolyte and anionic polyelectrolyte layer by layer, and the outer surface of the capsule wall further comprises an inorganic nanoparticle layer formed by biomimetic mineralization; the cationic polyelectrolyte is poly (diallyldimethylammonium chloride), the anionic polyelectrolyte is sodium polystyrenesulfonate, and the inorganic nanoparticles are calcium carbonate; the photo-thermal response microcapsule comprises a capsule core which is a mixture of CsPbBr and n-octacosane, and a capsule wall which is polyurea formaldehyde.

This invention relates to the field of food filtration technology and discloses a mango juice black spot filtration device and its filtration method. The device includes a frame, a motor fixedly connected to one side of the top of the frame, an organic housing fitted and fixedly connected to the inner wall of the top of the frame, a rotating shaft fixedly connected to the output end of the motor, and a belt fitted and rotatably connected to the outer wall of the rotating shaft. It also includes a black spot filtration mechanism, comprising a drive shaft rotatably connected to the inner wall of the belt at the end away from the rotating shaft. One end of the drive shaft passes through the housing and extends to the outside of the housing. A feed pipe is connected to the top of one side of the housing. During debugging, the residence time of the material in the nylon filter screen can be increased by adjusting the angle of the brush, thereby increasing the output. Furthermore, appropriately increasing the frequency of the inverter can improve the separation factor, increase the centrifugal force of the material, and increase the throughput of the nylon filter screen, thus further increasing the output. Adjusting the angle of the frame makes it easier to discharge the black spots.

The invention relates to the field of generator set protection equipment, in particular to an overspeed protection device for a nuclear power emergency diesel generator set. The overspeed protection device for the nuclear power emergency diesel generator set comprises an overspeed protection air bottle, a shunt pipe and a check valve, one side of the overspeed protection air bottle is communicated with a main pipe, a ball valve device is arranged in the middle of the main pipe, one end of the main pipe is communicated with the shunt pipe, one end of the main pipe and one end of the shunt pipe are fixedly connected with a tee joint, and one end of the tee joint is communicated with an output pipe. Check valves are installed in the middle of the main pipe and the middle of the flow dividing pipe, and super-protection electromagnetic valves are installed in the middle of the main pipe and the flow dividing pipe. The two nuclear-grade super-protection electromagnetic valves which are connected in parallel and the two check valves which are connected in parallel are adopted, and the redundant design ensures that when one element breaks down, the other element can still work normally, so that it is ensured that the protection action can be rapidly and reliably achieved when the unit is overspeed, and the unit is prevented from being damaged.

The utility model relates to an anti-scouring flexible fitting structure suitable for a sandy soil photovoltaic field area. The method is suitable for the technical field of geotechnical engineering protection. The technical problem to be solved by the application is to provide a flexible fitting structure suitable for scour prevention of a sandy soil photovoltaic field area. According to the technical scheme adopted by the invention, the anti-scouring flexible fitting structure suitable for the sandy soil photovoltaic field area comprises geotechnical cloth laid on the surface of sandy soil; the geogrid is arranged on the upper surface of the geotextile through a fixing piece, a main body of the geogrid is of a net-shaped structure, and a notch is formed in any transverse and longitudinal intersection of the surface of the geogrid, so that the geogrid can be locally bent to adapt to a concave-convex area of the sandy soil surface, and local scouring can be prevented; the pebble bed is laid in meshes of the geogrid, and the top of the pebble bed is flush with the top of the geogrid.

The application discloses a privacy data grading protection system based on hardware isolation and relates to the technical field of data privacy protection.The system comprises a data grading unit, a hardware isolation partition unit, a local computing power unit, an access control unit and an offline processing unit.Through the combination of data privacy level division and hardware isolation partition, differentiated privacy data protection is realized.The local computing power unit guarantees local closed-loop processing of high-privacy data, and the offline processing unit is suitable for network-free scenes.The application has high protection refinement, strong safety performance and wide application range, conforms to international privacy data safety protection specifications, and can be widely applied to privacy data protection scenes such as individuals, businesses and governments.

The embodiment of the invention provides a vehicle safety protection method, a vehicle and a computer readable storage medium, and the method comprises the steps: obtaining the application scene information of a vehicle-mounted multi-mode network model, the application scene information being used for determining a to-be-protected application scene associated with the vehicle-mounted multi-mode network model, the vehicle-mounted multi-mode network model is used for generating a driving decision result according to the multi-source sensor data of the vehicle; identifying a risk type based on the application scene information, the risk type being used for determining a to-be-protected risk type corresponding to the to-be-protected application scene; determining a protection strategy according to the risk type; and performing security protection operation on the vehicle-mounted multi-mode network model by using the protection strategy. The technical problems of low protection efficiency and poor safety of a vehicle safety protection mode in related technologies are solved.

This invention relates to the field of cultural relic preservation technology and provides a composite gas control method for preventing mold and insect infestation in ancient books. The method includes: deploying a sensor array within the storage space to collect environmental parameters in real time and transmitting them to a central intelligent control terminal; classifying the ancient books into three protection levels based on the collected environmental parameters, combined with the books' rarity, paper material, and damage condition, and presetting composite gas concentration thresholds; using a chemical-free composite gas system of nitrogen, carbon dioxide, and inert antibacterial gas, proportioned according to the protection level, and delivering it to the storage space; executing dynamic control logic based on the real-time collected environmental parameters, and switching to a low-energy maintenance mode after the environmental parameters return to a safe range; providing localized gas replenishment to the enclosed space through micro-gas channels and setting up a personnel safety interlock mechanism; and recording data in real time and generating ancient book protection archives. This invention achieves chemical-free, non-destructive, and highly efficient synergistic mold and insect prevention, significantly reducing operating energy consumption.

The utility model discloses a rotary anti-radiation shielding device and a robot, and relates to the technical field of nuclear engineering, the rotary anti-radiation shielding device comprises a support table, a first shielding case and a second shielding case, the first shielding case and the second shielding case are both installed on the support table, the first shielding case and the second shielding case rotate around the central axis of the supporting table and are opposite in rotation direction, and the distance from the second shielding case to the central axis is larger than the distance from the first shielding case to the central axis. The robot comprises the rotary anti-radiation shielding device. The rotary anti-radiation shielding device and the robot solve the technical problems that in the prior art, an outer shielding layer of a nuclear engineering robot is too heavy, and the shielding strength is fixed, and the shielding strength can be adjusted according to the radiation quantity.

The invention discloses an antigen combination of influenza virus and application thereof. According to the invention, the multivalent influenza vaccine aiming at H1N1, H3N2 and BV strains is developed by screening and optimizing sequence codons and proportions. Compared with inactivated split vaccines on the market, the multivalent influenza mRNA vaccine developed by the invention has excellent immunogenicity and protective efficacy, and has broad spectrum and immune persistence. According to the combined vaccine, the influenza vaccine and the SARS-CoV-2 virus vaccine are integrated into the combined vaccine, so that influenza and SARS-CoV-2 virus infection can be prevented at the same time, and the inoculation needle frequency is reduced.

This invention belongs to the field of signal detection technology, specifically referring to a signal detection device for electronic information engineering. It includes a detection box, a moisture-absorbing detection mechanism, and a radiation-measuring dehumidification mechanism. The moisture-absorbing detection mechanism includes a detection component, an air inlet component, an air guide component, and an exhaust component. The detection component is located on the upper wall of the detection box, the air inlet component is located on one side of the detection box, the air guide component is located on the side of the detection box away from the detection component, and the exhaust component is located on the side of the air guide component away from the detection box. This invention provides a signal detection device for electronic information engineering that can effectively utilize the alternating magnetic field generated by the signal detector, capturing and converting it into usable energy, and can monitor the strength of the magnetic field generated by the signal detector.

The embodiment of the invention discloses a network application protection system and method, a storage medium and a computer program product. The system comprises a traffic scheduler and a protection management node, and the protection management node comprises one or more protection nodes. The traffic scheduler is used for receiving an access request for a network application sent by a client, and performing traffic analysis on the access request through a prediction model to obtain a traffic prediction value at a target moment; distributing the traffic prediction value to different protection nodes; and the protection management node is used for detecting a potential attack behavior existing in the access request, and adjusting a source protection strategy based on an attack type, an attack frequency and an attack severity of the potential attack behavior to obtain a target protection strategy.

The invention provides a radiation protection and bearing compatible composite material for a spacecraft and a preparation method thereof, the composite material is formed by curing a prepreg containing carbon fibers and a resin matrix, and the weight fraction of the carbon fibers in the prepreg is 40-80%; the resin matrix is prepared from the following components in parts by weight: 10 to 30 parts of cyanate ester resin, 5 to 20 parts of bismaleimide, 2 to 40 parts of hydrocarbon resin and 10 to 70 parts of MXene multilayer nanosheets. The problems that an existing radiation protection metal shielding material is large in density and heavy in weight, and a radiation protection film material prepared by adopting a polyethylene doped nano material as a base material does not have bearing capacity are solved, and spacecraft structure materials and radiation-resistant reinforcement design can be optimized.

The invention relates to the technical field of computer systems, and provides a computer network information security monitoring system and a use method, and the system comprises an infrastructure and data collection module, a deep learning analysis module, a reinforcement learning strategy optimization module, a security strategy management module and a visual operation and maintenance and decision support module. The infrastructure and data acquisition module is responsible for collecting and transmitting data, the deep learning analysis module is used for identifying abnormal behaviors and predicting threat trends, the reinforcement learning strategy optimization module optimizes security strategies through autonomous learning, and the security strategy management module adjusts protection measures according to the optimization strategies. And the visual operation and maintenance and decision support module provides a visual system state view to assist operation and maintenance personnel to make decisions. According to the invention, through combination of deep learning and reinforcement learning technologies, active protection is realized, functions of firewall dynamic configuration, visual operation and maintenance, decision support and the like are provided, and comprehensive and efficient safety protection services are provided for users.

The utility model relates to the technical field of slope protection structures, in particular to a water conservancy project slope protection structure capable of preventing water and soil loss, which comprises a slope body and a first slope protection unit, the slope body protection surface is provided with a step part, the bottom end of the step part is provided with a pouring foot protection wall, and the top end of the step part is provided with a second slope protection unit; the multiple first slope protection units are arranged, and the multiple first slope protection units are evenly distributed on the step part. Through the arrangement of the first slope protection units, the first slope protection units can be conveniently used for protecting soil on the slope body protection face step by step, the stability of the slope body is improved, redundant rainwater on the slope body protection face is drained, and the situation that rainwater washes the soil to cause loss is avoided; water and soil at the top end of the slope body are conveniently protected through the second slope protection unit; and the bottom end of the slope body is conveniently supported and protected by pouring the foot protection wall, the service life of the slope body is prolonged, and the protection efficiency is improved.

The application discloses a driving coordination protection method and a vehicle, and applies to the technical field of vehicle safety control. The driving coordination protection method comprises the following steps: generating first state information representing the interaction risk of pedestrians outside the vehicle based on the sensing features outside the vehicle; generating second state information representing the injury risk of passengers in the vehicle based on the sensing features in the vehicle; generating third state information representing the motion control capability of the vehicle based on the state of the vehicle; generating fourth state information representing the adjustment capability of the passenger restraint system based on the injury risk of the passengers in the vehicle and the state of the vehicle; and generating a coordination control instruction for coordinating and controlling the motion of the vehicle and the passenger restraint system based on the first, second, third and fourth state information. The method integrates the sensing of the environment outside the vehicle, the state of the passengers in the vehicle, the control capability of the vehicle and the adjustment capability of the restraint, so that the protection effect on the passengers in the vehicle can be simultaneously optimized when the control action such as emergency braking is performed to avoid danger outside the vehicle, and the driving safety is improved.