23 results about "Firewall (construction)" patented technology

The invention discloses a BIM-based hydropower station full life cycle design, construction, operation and maintenance integrated control system, and the system comprises an intelligent sensing layer which integrates 5G + Beidou positioning, a LoRa gateway and a sensor, collects multi-source heterogeneous data in real time, and transmits the multi-source heterogeneous data to a digital twinborn layer after the multi-source heterogeneous data is filtered by an edge node; a digital twinborn layer: constructing a parameterized model library through laser point cloud and BIM automatic registration, integrating a geological parameter dynamic correction algorithm, mapping a construction period stress field in real time, and updating model parameters based on sensing data self-evolution; the intelligent decision-making layer performs equipment fault prediction by using an LSTM neural network, optimizes multi-machine load distribution in combination with an improved PSO algorithm, and automatically adjusts a start-stop strategy when the load fluctuates; and the security execution layer is used for triggering equipment operation after virtual twinborn deduction verification through a block chain evidence storage instruction, realizing virtual-real dual verification in combination with an industrial firewall, and finally feeding back a running state to the sensing layer to calibrate and update a model, and supporting intelligent decision.

The invention discloses a firewall dynamic policy adaptation method and system based on big data, and the method comprises the steps: collecting multi-source heterogeneous data in a network, and constructing a dynamic network entity map in real time; processing the time sequence of the atlas by using a preset time sequence diagram attention network model to obtain a behavior fingerprint vector representing the behavior state of the entity, and calculating the risk score of the entity; when the risk score exceeds a risk threshold value, automatically generating a temporary security policy for managing and controlling the access behavior of the entity; and managing the life cycle of the temporary security policy, and automatically updating, renewing or cancelling according to the entity risk state change. According to the method, the network entity behavior baseline is constructed and the risk prediction is carried out, so that the conversion from passive defense to active defense is realized, the security policy can be automatically and accurately generated and managed, advanced persistent threats and zero-day attacks can be effectively coped with, and the self-adaptability and the intelligent level of network defense are improved.

This invention discloses a highly integrated edge computing security gateway with end-to-end encryption suitable for industrial environments. It comprises a routing module with firewall functionality, a switching module, a storage module, an edge computing module, a high-performance security encryption / decryption module, a low-performance security encryption / decryption module, and an industrial field interface module. All modules are connected via an internal high-speed data bus. The routing module coordinates the operation of all modules within the security gateway. This invention can be applied to numerous fields with network security connectivity requirements, such as factories, construction sites, and transportation networks, significantly expanding the application scenarios of related equipment.

The application discloses a kind of firewall log security detection method and system, it is related to the technical field of network firewall, comprising: the original log record data obtained by collecting to the firewall to be detected;Original log record data is preprocessed to obtain triad structured data;Triad structured data is converted into numerical value and is spliced to obtain log feature vector;Once detection is carried out through deep support vector data description to obtain once detection result, generate preliminary abnormal log subset;Based on preliminary abnormal log subset, event trace construction obtains XES preliminary screening event log, and the workflow network to be detected is generated by inductive mining algorithm;Consistency check is calculated by edit distance algorithm to obtain secondary detection score, and secondary judgment obtains security detection result.The application can accurately identify hidden security threats, can capture complex abnormal behaviors of combination and serialization, balance high efficiency, high accuracy and interpretability, effectively reduce false alarm rate.

The present application relates to a kind of on-orbit router software security reconstruction method, for transmission monitoring lag, high delay verification and insufficient isolation problem, propose integrity chain check and firewall double-layer verification collaborative scheme, combined with modular physical isolation design.Routing module activates hardware write protection lock when receiving data packet, prohibits unauthorized modification and supports policy lock-free update;Platform management module real-time download cumulative check value, ground verification after upper reconstruction instruction;Program burn module uses double Bank storage, supports atomization burn and trusted verification, abnormal automatic rollback safety version.Through space-earth collaborative double-loop verification (firewall filtering, token bucket flow limiting, ground CRC check) to resist attack, hardware isolation ensures that updating does not interrupt routing operation, intelligent rollback improves fault tolerance.Ceiling for high delay, strong interference on-orbit routing scene, guarantee transit / overseas satellite on-orbit maintenance when reconstructing business zero interruption, meet modern satellite network security needs.

This invention relates to a stepped layout structure for a megawatt-class energy storage power station in mountainous terrain. Belonging to the field of energy storage power station engineering layout, it aims to solve the technical problems of traditional mountain energy storage power stations, such as the need for large-scale site leveling, large earthwork volume, high cost, severe ecological damage, and inconvenient operation and maintenance. The invention features a multi-level stepped platform along the mountainside, with adjacent platforms connected by slope transitions. Energy storage units are arranged on the platforms, and maintenance roads are provided on the slope surfaces. The platform consists of a three-level energy storage area and an independent booster area platform. The energy storage units are arranged in an array, with battery energy storage compartments and PCS booster units arranged centrally or staggered. The battery energy storage compartments are located on a foundation, which is fixedly connected to a firewall. The station area is equipped with a ring-shaped fire access road, cable trenches, ancillary facilities, and slope inspection steps. This invention significantly reduces earthwork excavation and filling, improves land utilization, offers structural stability, convenient operation and maintenance, and high safety and reliability, significantly reducing construction costs and making it suitable for the construction of megawatt-class large-capacity energy storage power stations in mountainous terrain.

The invention relates to the technical field of firewalls, and discloses an intelligent firewall construction method based on online learning, comprising a firewall for filtering network traffic through a firewall rule; an intelligent monitoring module for hidden attack detection and unknown attack detection is connected with the firewall; and the self-evolution module is used for learning and improving the abnormal traffic detected by the intelligent detection module, and updating firewall rules after self-learning and improving. The intelligent monitoring module and the self-evolution module specifically comprise network flow data collection, network flow data analysis, rule generation, rule verification and rule updating; wherein the firewall rule is used for checking and filtering network flow messages based on an access control list (ACL). The method can adapt to large-scale network data flow, the problem of insufficient memory caused by large-scale data is relieved, and unknown attacks are detected in real time.

The invention provides a firewall, belongs to the technical field of firewall equipment, and particularly relates to an emergency firewall and a building method thereof.The emergency firewall comprises a firewall body, the firewall body comprises a foldable frame structure arranged outside the firewall body in a sleeving mode, and the foldable frame structure is connected with a multi-layer fireproof combination above the foldable frame structure through a mounting base; an integrated cooling system arranged in the firewall body is arranged between the multiple layers of fireproof combinations, the firewall body is provided with an intelligent control unit electrically connected with the firewall body and the integrated cooling system, and the problems that an existing firewall structure is not high in installation efficiency and low in applicability are solved.

The application relates to a traffic monitoring method, system and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: for each target cloud native network application firewall (WAF) node, respectively acquiring traffic characteristic data of the target cloud native WAF node; gathering and storing the traffic characteristic data of each target cloud native WAF node; according to a preset time dimension, counting the traffic characteristic data of each target cloud native WAF node in each traffic characteristic data type dimension, and storing the counting result into a target database; according to the data stored in the target database, a pre-determined traffic monitoring dimension and a preset traffic monitoring view construction rule, constructing a traffic monitoring view; and the traffic monitoring view is used for monitoring a cloud native WAF system. The method can be used for monitoring the traffic of the cloud native WAF system.

This invention relates to the field of mining operations, specifically a real-time simulation and optimization system for mine construction progress based on digital twins. The system includes an edge-side multimodal perception module, an edge-side preprocessing and micro-control module, a cloud-based digital base and model reconstruction module, a macro-level progress prediction and optimization module, and a twin sandbox and safety execution module. The system edge synchronously collects physical environment and equipment operating parameters. The data is then processed by an edge computing gateway through factor graph fusion, noise reduction, and dimensionality reduction before being transmitted to the cloud. The cloud center dynamically corrects the three-dimensional geological attribute layer using a Bayesian inference algorithm based on the underlying mechanical feedback data from the equipment, and simultaneously generates a real-time excavation comparison model using a semantic segmentation network. A multi-agent simulator predicts construction probabilities and generates a global scheduling strategy. The generated control strategy must completely penetrate a three-level locked firewall, including virtual collision avoidance verification, before being converted and distributed to the underlying electromechanical actuators. This achieves low-latency interaction even under extremely weak network conditions.

The utility model discloses a prefabricated main transformer firewall, and aims to solve the problems that the construction period is long, the field operation amount is large, and the existing prefabricated construction is large in wallboard size, single in stand column structure form, high in field requirement and poor in adaptability. The prefabricated main transformer firewall comprises a foundation assembly, a stand column assembly, a wallboard assembly, a bottom beam and a top beam, the foundation assembly, the stand column assembly, the bottom beam and the top beam form a main body frame of the firewall, the wallboard assembly is arranged between a first stand column and a second stand column, the wallboard assembly is limited through a first limiting groove and a second limiting groove, and then the firewall is formed. The overall structure size of the firewall can be adjusted through the second stand column, and the overall style of the wallboard assembly is adjusted according to the field arrangement requirement, so that the firewall is more flexible during field installation, and the adaptability is higher.

This utility model relates to the field of building construction structure technology, specifically disclosing a prefabricated concrete bay window structure, including a horizontal panel, a front panel, and side panels. Two side panels are symmetrically installed on the main platform. A firewall is fixedly connected inside the side panels, and a front panel is connected to the outside of the side panels. A horizontal panel is installed on top of the front and side panels. The horizontal panel, firewall, front panel, and side panels constitute the bay window sill structure. The horizontal panel, front panel, and side panels are all formed with expansion plug holes and / or bolt through holes through precast slab molds. The precast concrete slab structure assembly of this utility model is conducive to improving construction efficiency, saving costs, improving safety performance, and is convenient, safe, and reliable in construction. It effectively solves the problems of complex construction process and many subsequent quality defects in bay windows. The joints of the panels are sealed with mortar, ensuring both sealing and strength are safe and reliable.

The utility model provides an assembly type firewall, and belongs to the technical field of firewalls. The assembly type firewall comprises a stand column and an assembly alignment mechanism, a bottom beam is installed at the bottom of the inner side of the stand column, a wall plate is installed at the top of the bottom beam, a top beam is installed at the top of the wall plate, alignment seats are arranged at the tops of the two sides of the stand column, alignment grooves are formed in the inner sides of the tops of the alignment seats, and alignment plates are movably connected into the alignment grooves. By arranging the assembly alignment mechanism, a reference medium for aligning the bottom beam, the wall plate and the stand column in the assembly process can be provided for workers, and it is convenient for the workers to ensure that the bottom beam and the wall plate are aligned in a relatively stable state during assembly; and the situation that assembly construction is inconvenient due to the fact that alignment and stabilization are difficult to conduct when the bottom beam and the wall plate are assembled is avoided, and therefore construction convenience and construction efficiency of assembly and alignment of the bottom beam, the wall plate and the stand column are improved.

This utility model belongs to the field of building fire protection technology, specifically disclosing a firewall structure that penetrates a metal roof. The lower firewall of the structure has a portal steel frame fixed to its top, and the surface of the portal steel frame is coated with a non-expanding fireproof coating. A support plate forms on the upper part of the portal steel frame, and the upper firewall is fixed to the support plate above the central axis of the portal steel frame. Purlins are fixed to both sides of the upper firewall on the support plate, and purlins are arranged between the upper firewalls and fixed to the purlins. Metal roof panels are arranged between the upper firewalls and their bottom ends are fixed to the purlins. The lower part of the flashing is fixed to the metal roof panel, and the upper part is fixed to the upper firewall. Outward-protruding water-retaining strips are fixed to both sides of the upper firewall. This utility model places the upper firewall on the support plate above the central axis of the portal steel frame, extending beyond the roof. Purlins are provided on both sides of the upper firewall on the support plate to connect the purlins, thus allowing for a continuous upper firewall. It features a simple structure, convenient construction, good fire resistance, and high economic efficiency.

This invention belongs to the field of converter station protection technology, specifically relating to a folded fireproof and explosion-proof sealing system for the valve hall of a converter station. The system includes a fireproof and explosion-proof component, a sleeve mounting hole, and a power component. The outer side of the fireproof and explosion-proof component is used for sealing connection with the through-wall hole of the valve hall firewall. The sleeve mounting hole is located on the fireproof and explosion-proof component and extends through both sides of the component. Fixed fireproof and explosion-proof components are located on both sides of the sleeve mounting hole. The power component is fixedly connected to the valve hall firewall and movably connected to the folded fireproof and explosion-proof component, used to change the distance between the folded fireproof and explosion-proof component and the fixed fireproof and explosion-proof component. This invention can significantly shorten the disassembly and installation cycle of the sealing system during later maintenance while ensuring the effectiveness of the converter station valve hall sleeve fireproof sealing system, reducing the high maintenance costs caused by the numerous types of materials and complex construction and installation of existing solutions.

The invention relates to the field of building envelope structures, in particular to a structural thermal insulation integrated firewall system with built-in vacuum insulated panels. The fireproof wall sequentially comprises a base layer wall body, a vacuum heat insulation layer arranged on the outer side of the base layer wall body, a protection box layer covering the vacuum heat insulation layer, a continuous fireproof layer arranged on the outer side of the protection box layer and a detachable fireproof layer arranged on the outer side of the continuous fireproof layer from inside to outside. According to the scheme, the protection box layer and the detachable fireproof layer are arranged outside the vacuum heat insulation layer, and the elastic buffer strips are arranged in the protection box, so that point loads generated by construction carrying, knocking, positioning and the like are effectively absorbed, local puncture or microcracks of the thin-wall vacuum heat insulation plate are avoided, the service cycle is prolonged, and the service life of the thin-wall vacuum heat insulation plate is prolonged. The detachable protection boxes are arranged at the positions prone to being impacted such as wall corners, the periphery of an opening and the 0-1500 mm area, the detachable impact-resistant fireproof plates cover the detachable protection boxes, damaged parts can be detached and replaced independently, the whole continuous fireproof layer does not need to be damaged, and the maintenance difficulty is remarkably reduced.

The utility model provides a prefabricated firewall system for an energy storage substation, and belongs to the technical field of electric power engineering construction. Comprising a plurality of rows of battery cabin groups which are arranged in parallel, each row of battery cabin group comprises a lifting and inversion integrated cabin and at least two battery cabins, and an overhaul and maintenance channel is reserved between every two adjacent rows of battery cabin groups; the system further comprises a first firewall and a second firewall, the first firewall is arranged between two adjacent battery cabins in each row of battery cabin groups, the second firewall is arranged between two adjacent rows of battery cabin groups, and the second firewall is located on one side of the overhaul and maintenance channel and is attached to the battery cabin on any side. By designing the firewall between the battery cabins, the occupied area of the energy storage substation can be reduced on the premise of meeting the fireproof requirement between the battery cabins, and the installation position of the firewall is reasonably designed, so that the battery cabins can be overhauled and maintained in time through the overhauling and maintaining equipment between the battery cabins; the maintenance convenience of the battery compartment is improved.

The utility model discloses a kind of joint foundation of battery cabin and firewall, including raft, shear wall, joint shear wall;The shear wall is set along raft around;The joint shear wall is set in raft middle part;The joint shear wall and raft, shear wall jointly enclose two pool bodies;The joint shear wall includes main part and extension part;The main part is as the common part of two pool bodies;The extension part extends out pool body from the both ends of main part;The utility model combines the arrangement features of on-site battery cabin and firewall, proposes a kind of joint foundation of battery cabin and firewall, this foundation type middle part adopts the type of joint shear wall, and it is used as the foundation of two battery cabin and firewall, both edge load of two battery cabin is borne, and firewall load in two battery cabin middle is borne, on one hand, investment is saved, and land occupation is reduced;On the other hand, this foundation type is convenient to formwork, and construction is facilitated.

The invention relates to the technical field of firewalls, in particular to a transformer substation firewall and a rapid construction method thereof.The transformer substation firewall comprises a firewall main body, the firewall main body comprises a plurality of assembly modules horizontally arranged in the length direction, and each assembly module comprises a first mounting base and vertical grooves at the two separated ends; a plurality of transverse wallboards which are mutually spliced are arranged between the two vertical grooves; the splicing assembly comprises a limiting rod and a limiting groove, the limiting rod rotates on the upper side of one transverse wallboard and is connected with the limiting groove in the lower side of the other adjacent transverse wallboard in a matched mode, and the situation that the two spliced transverse wallboards are not separated in the height direction is limited; and a connecting piece. A conventional firewall structure built by cast-in-place reinforced concrete and a common brick wall is replaced, the installation mode is simple, and the maintenance investment is reduced; and the length can be adjusted according to the designed installation size requirement, and the two assembly modules can be quickly connected, so that the length adjusting function in a small interval range is achieved.

The invention provides a firewall policy auditing method based on policy hypergraph construction and loop feature mining, and relates to the technical field of network security and artificial intelligence, the method comprises the following steps: decomposing a user request into retrieval sub-tasks of a plurality of atoms, and generating the retrieval sub-tasks based on a logic dependency relationship to obtain a retrieval execution plan; matching the retrieval execution plan with a strategy library by using a tool to obtain a candidate firewall strategy set; constructing a dynamic hypergraph based on the candidate firewall policy set; performing graph sampling and sub-graph extraction based on node degrees, and sampling the dynamic hypergraph to obtain a plurality of local sub-graphs; performing path extraction in a local sub-graph by using a graph algorithm by utilizing loop structure extraction and attack mode mapping to obtain a strategy node feature matrix containing a closed-loop path and a long-chain path; and processing the policy node feature matrix by using the analysis large model to obtain a firewall policy audit result. The problems that in the prior art, accurate features and semantic features are difficult to fuse, and the dynamic reasoning ability is poor are solved.

This invention provides an information technology-side network security system suitable for the complex network environment of new energy power plants. The network security system is divided into an isolation zone and an information technology zone, and firewalls are set up at the communication boundaries of each zone. The network security structure includes software and hardware devices such as application control, antivirus, patch management, device control, integrity control, system backup and recovery, security events and event management, network monitor, jump server, firewall, and network attached storage. It meets the basic functions of network security protection with minimal software and hardware configuration, effectively avoids network intrusion, hacker theft, data leakage and other problems, and has low construction cost, making it suitable for new energy power plants.

The invention discloses a main transformer noise reduction firewall and a construction method thereof.The main transformer noise reduction firewall comprises at least two wall bodies which are used for reducing noise transmitted from a main transformer and can also be used for blocking fire spreading at the main transformer; the first H-shaped steel column and the adjustable steel column are arranged on the two sides of the wall bodies in a spliced mode and used for being matched with the wall bodies to be installed and fixed, and the wall bodies are sequentially arranged between the first H-shaped steel column and the adjustable steel column from top to bottom; a circular steel column is fixedly arranged on the top of the corresponding wall body, and connecting assemblies are arranged on the circular steel column and the bottom of the corresponding wall body. The splicing process is convenient to operate, layer-by-layer assembly of the wall body can be rapidly and effectively completed, the construction efficiency is effectively improved, in addition, the firewall is simple in structural design, high in part adaptability, free of complex construction technology and equipment, convenient to assemble, controllable in cost and suitable for transformer substation site construction scenes, and the construction efficiency is improved. And later maintenance and part replacement are facilitated.

This application provides a biometric-based emergency passage control system for fire-resistant curtain walls, relating to the field of building fire safety technology. It performs time-stamp synchronization and alignment, and multispectral spatial coordinate registration on multi-source sensor data. Subsequently, it quantifies and evaluates smoke concentration and ambient temperature to obtain an environmental noise index. Based on this index, it performs adaptive defogging reconstruction and contrast enhancement on visual feature regions to extract refined feature vectors. In the modal fusion stage, the system dynamically allocates the weights of each modality. It solves the high false rejection rate problem caused by feature distortion in fire environments through feature uncertainty quantification and nonlinear kernel mapping similarity reconstruction, and introduces cross-modal consistency calibration penalty logic to address the risk of false matches caused by environmental interference. Finally, it dynamically adjusts the decision threshold based on the environmental noise index, and drives the fire-resistant curtain wall's electrically controlled push rod in conjunction with the fire alarm trigger signal, ensuring reliable opening of escape routes while maintaining the tightness of access control in safe areas.