27results about How to "Improve system security" patented technology

The invention discloses a method for enhancing a network boundary security policy of a power monitoring system, and belongs to the field of network security. Comprising the following steps: collecting security equipment strategies of different brands in the power monitoring system in combination with network security equipment characteristics of the power monitoring system, and performing intelligent analysis in combination with asset routing conditions; on the basis of asset detection, routing strategy acquisition and protection strategy acquisition, network security strategy calculation is carried out, and unified strategy management of security boundaries is realized; under the condition that the information security requirement is met, automatic issuing of protection and blocking strategies is realized; through centralized management of security policies of heterogeneous equipment, policy configuration data of the network security equipment is captured in an online acquisition mode, and a unified security policy library is formed in a normalization mode, so that unified management, carding reinforcement, carding optimization, topology modeling, path management and policy opening and plugging functions of the security policies of the heterogeneous network security equipment are realized. The method can be widely applied to the field of safety management and operation maintenance of a power monitoring system network.

The invention discloses a power monitoring system network security equipment security boundary strategy unified management system, and belongs to the field of security. Comprising the following steps of: acquiring information of general safety equipment including a firewall, a switch and a VPN (Virtual Private Network); analyzing traffic, strategies, logs and events by using a machine learning method; when the analysis result is displayed, a blocking suggestion is given and can be automatically issued, and a disposal report is generated; unified and centralized management of heterogeneous brands and heterogeneous models of network security equipment including firewalls, routing exchange, load balancing and VPN in the whole network of an enterprise is realized; through visualization of safety management by a user, safety compliance visualization analysis from a safety perspective is realized. Safety equipment strategies of different brands in a power monitoring system are collected, intelligent analysis is carried out in combination with asset routing conditions, and automatic issuing of protection and blocking strategies is achieved. On the basis of asset detection, routing policy acquisition and protection policy acquisition, policy unified management of the security boundary is realized.

The invention discloses a large-temperature-difference high-temperature fused salt and water heat exchange steam production system and a control method. The system comprises a fused salt storage tank, a high-pressure hot water storage tank, a fused salt-water / steam heat exchanger and a steam pocket, the fused salt-water / steam heat exchanger is of a multi-shell-pass spiral coil pipe type heat exchanger structure. A plurality of limiting inner barrels are arranged in a shell barrel to form annular cavities of different levels, a plurality of heat transfer pipes are connected in parallel and wound around a central pipe or the wall of an upper-level fiber inner barrel to form spiral coil pipes, and a plurality of sets of spiral coil pipes are arranged in the annular cavities respectively. A shell side fused salt liquid inlet, a shell side fused salt liquid outlet, a pipe side water inlet and a pipe side steam outlet are formed in the shell cylinder body; the fused salt-water / steam heat exchanger is connected with an outlet and an inlet of the fused salt storage tank and further connected with a water outlet and an inlet of the high-pressure hot water storage tank. High-temperature thermal shock damage of the heat exchanger and pipeline blockage caused by fused salt solidification can be effectively eliminated, membrane boiling of water is inhibited, the heat transfer efficiency is high, and system operation is safe and reliable.

This invention provides a regulating device for a butterfly valve orifice plate for mixed gas in a coke oven basement, comprising a valve body, a continuous regulating mechanism for the butterfly valve, and a fixed throttling mechanism for the orifice plate. The inner cavity of the valve body serves as a gas flow channel, and the continuous regulating mechanism for the butterfly valve is installed within the channel perpendicular to the gas delivery direction. The continuous regulating mechanism for the butterfly valve is a structure that continuously and steplessly adjusts the opening and closing of the butterfly plate through a pneumatic actuator to achieve different gas flow rates. The fixed throttling mechanism for the orifice plate is an integrated throttling structure arranged within the channel along the gas delivery direction, and is sealed by a self-tightening lever clamping mechanism. The invention also provides a method for controlling gas flow using this device, which solves the problems of coarse regulation, the need to replace the orifice plate, and operational hazards associated with traditional orifice plate valves. It achieves continuous and precise regulation of gas flow without the need to replace the orifice plate, significantly improving the coke oven heating control level and system safety. It is particularly suitable for coke oven basement gas pipeline systems where space is limited and safety requirements are extremely high.

The invention discloses a ring network system for a well drilling site and an implementation method thereof, the ring network system comprises a redundant PLC system, at least two switch slave stations and at least two types of network lines, each switch slave station is connected with different types of well drilling equipment control systems, and the network lines are connected with the redundant PLC system. All the switch slave stations and the redundant PLC system are connected through each type of network lines to form a corresponding type of looped network, and the redundant PLC system is used for controlling the looped network system to be switched from the current looped network to the other type of looped network when it is detected that a node communication fault occurs in the connected looped network. The network stability and the system safety of a drilling site are improved, and stable operation of site construction is guaranteed.

This application relates to a nitrogen humidifier, comprising a first housing, a connecting member, an air inlet pipe, a liquid inlet pipe, a second housing, a flow restrictor, and a connector. The connecting member is disposed at a first opening of the first housing and has a first air passage, an air inlet passage, and a liquid inlet passage, which are respectively connected to an external controlled air source and a liquid source. The air inlet pipe and the liquid inlet pipe respectively introduce gas and liquid into a first accommodating space for premixing. The first air passage connects to a second accommodating space of the second housing, where the flow restrictor is disposed. The flow restrictor agitates the ejected mixed airflow to achieve secondary mixing. The connector is disposed at a third opening of the second housing to exhaust the mixed gas. This nitrogen humidifier, through independent gas and liquid supply and a two-stage mixing design, effectively improves humidification efficiency and humidity stability, solving the problems of low mixing efficiency and poor humidity control in existing technologies, and is suitable for high-precision process requirements.

The invention discloses a hybrid propulsion system cross coupling fault diagnosis method and system, and the method comprises the following steps: 1, building a coupling model between an air condition and a ground condition through analyzing the motion state data of an aerocar in an air-ground conversion process; 2, researching a functional coupling relationship between a turboshaft engine and a motor actuator based on a hovercar motion state coupling result in the step 1; and 3, based on the fault prediction characteristic value in the step 2, continuously monitoring sensor data and an actuator state by the system, and performing real-time fault diagnosis based on cross coupling characteristics to obtain system real-time diagnosis feedback and adjustment suggestions. According to the invention, accurate coupling analysis between air and ground working conditions is realized, and fault diagnosis and early warning can be carried out on coupling characteristics in the air take-off stage and the ground landing stage by monitoring motion state data in real time.

The present invention discloses an automatic identification and control method for train coal unloading and cleaning, and relates to the technical field of automatic identification and control. The method monitors the coal pile state in real time to timely discover the deformation of the coal pile, and generates a coal unloading speed control instruction accordingly. The coal unloading speed of the spiral coal unloader is controlled in real time according to the generated coal unloading speed control instruction, so that the coal unloading speed can be maximized under the premise of ensuring system safety, thereby improving the coal unloading efficiency and reducing the energy and time costs. At the same time, through repeated control and monitoring, the coal unloading speed can be continuously optimized according to the coal pile state, thereby achieving continuous efficiency improvement and system optimization. By analyzing the number and area of ​​the remaining coal parts in the remaining coal display diagram, and conducting comparative analysis according to the set area range, accurate control of the remaining coal amount is achieved, ensuring that the cleaning machine performs targeted cleaning of the remaining coal of different degrees, and avoiding excessive cleaning or missed cleaning.

The invention discloses a multi-person shared health detection device capable of accurately recognizing user identity based on sound. The device comprises a microphone array, a physiological parameter sensor, a processor and a memory. The method comprises the following steps of: performing front-end processing on a collected voice signal to obtain an effective voice segment; extracting a voiceprint embedding vector by using a deep neural network; comparing the vector with a local voiceprint template library to obtain a highest score and candidate identities; carrying out living body and playback attack authenticity discrimination by analyzing multi-dimensional acoustic features and utilizing a classification model; and binding and associating the identity label with the health data collected by the sensor when the identity label is judged to be a real living body and the similarity score meets a judgment condition. The method has the advantages of high noise resistance, attack resistance and end-side low delay, supports offline work and model increment self-adaption, is suitable for families, communities, medical institutions and other scenes, and effectively improves the use convenience and data security of shared health equipment.

This invention discloses a method and system for credibility analysis of home-based elderly care health summaries based on electronic photo frames, relating to the field of multi-source data fusion technology. This invention retrieves health records and knowledge bases based on event objects to generate display requirement objects; generates health summary text and a set of interactive controls according to the display requirements, forming a display payload; generates a display queue based on device status and determines the content to be pushed; loads and renders a template to complete the display; collects touch and voice behaviors within the interactive window, generates a unified interaction record, and reports any non-response; extracts features from touch, voice, and physiological signals, calculates signal quality scores, and generates a comprehensive confirmation confidence level; summarizes the signal quality scores, calculates the global mean, compares it with a threshold, and determines whether to execute a correction process, significantly improving the security, reliability, and user experience of the home-based elderly care health summary system.

The invention discloses an electric excavator cable management system and a control method, and belongs to the technical field of engineering machinery electronization. The system comprises an excavator controller, a left-right walking encoder, a tension detection device, an insulation detection module and a horizontally-installed cable drum, and the drum is of a three-fulcrum installation and conical shield structure and is matched with the narrow space of the small excavator. According to the control method, speed fusion of the double encoders is executed in a fixed period, an equivalent translation speed and a rotation angular speed are obtained, and a feed-forward torque is generated in combination with dynamic feed-forward compensation; self-adaptive synchronous control is achieved through tension closed loop and walking speed prediction, and protection action is executed preferentially when tension exceeds the limit; and meanwhile, data such as insulation, tension, length and the like are fused to realize cable health diagnosis and multi-stage early warning. The problems that a tracked vehicle is inaccurate in speed reference and poor in dynamic response, cables are prone to being snapped and rolled and the like are solved, all-working-condition unmanned take-up and pay-off are achieved, and the reliability and safety of a system are improved.

The application discloses a quadruped robot substation autonomous and teleoperation dual-mode inspection system and method, and belongs to the technical field of power system intelligent operation and maintenance and robot control. In the autonomous operation mode, the device semantics, voltage level and power safety insulation distance are fused to construct a rule semantic safety map, and from geometric obstacle avoidance to deep understanding of electrical regulations is realized. A double-layer local path planning strategy is adopted, the absolute safety insulation distance is taken as a constraint, and a safe reference path conforming to the power safety regulations is searched out. Then, the lower layer is solved under the constraint of the upper layer reference path boundary constraint and other constraints. In the remote teleoperation mode, global rule safety evaluation is carried out on the continuous virtual escape trajectory, and then the continuous virtual escape trajectory is issued and executed. The problems that the quadruped robot fails to inspect in the strong electromagnetic interference and the structure height similar scene, lacks semantic understanding of electrical safety regulations, and lacks autonomous and teleoperation smooth switching when it is trapped in the dead zone and cannot make autonomous decisions are solved.

The application discloses a peripheral expansion method and system for a Hongmeng system and a storage medium, relates to the technical field of operating systems, and the method calls a peripheral manager to perform physical connection detection when a peripheral is accessed, and completes protocol identification according to interface attributes to form a peripheral interaction data group; a peripheral recognition reliability index Rpr is constructed to perform stability evaluation on peripheral access, stable peripheral information is written into a virtual bus abstract layer to generate a logical peripheral object, a driver manager is called to load a driver, and a peripheral call data group is recorded to construct a loading efficiency coefficient Elo; after the driver is loaded, an application layer performs abstract calling through a standardized API interface and records calling delay; and finally, a peripheral expansion performance index Pal is constructed to comprehensively evaluate peripheral expansion performance. The application realizes a unified expansion mechanism for cross-protocol peripheral access and function on-demand loading, and improves the stability of peripheral expansion and system performance.

The invention provides a game operation system access method and device, equipment and a medium. The method comprises the following steps: receiving an access request of a user to a target system, wherein the access request is forwarded by an intelligent platform management interface IPMI connection framework; wherein the access request comprises a public network address, a source IP address and a request user agent UA of the target system; determining a survival transit server in the same network environment with the target system based on the public network address, and controlling the transit server to deploy proxy service; creating or calling a target container based on the triple data; wherein a virtual network computing VNC service and a proxy client are deployed in the target container, and the proxy client is used for being connected with a proxy service port of the transit server; and returning the VNC link of the target container to the IPMI connection framework, so that a user accesses the target container through the VNC link, and accesses the target system through the proxy client and the proxy service of the transit server. By adopting the method, the cost can be reduced, and the operation and maintenance efficiency and safety are improved.

The present application relates to the technical field of spacecraft mechanism, in particular to a flexible solar wing step-by-step unfolding mechanism, comprising: a base mounted on the side wall of a spacecraft and a standing unit, the base is rotationally connected with a frame rod, and the standing unit is used to drive the frame rod to unfold on the base, the end of the frame rod away from the base is fixed with a T-shaped box, and the T-shaped box is provided with a transmission assembly; two-stage wing spread parts, which are arranged on the frame rod, comprising a first-stage wing spread unit and a second-stage wing spread unit; the first-stage wing spread unit comprises a first storage box for storing a first flexible solar wing; the second-stage wing spread unit comprises a second storage box for storing a second flexible solar wing; the frame rod unfolds the first-stage wing spread unit and the second-stage wing spread unit in turn through the transmission assembly in a step-by-step manner. The flexible solar wing step-by-step unfolding mechanism has high integration, saves space and weight, has a stable unfolding process, small impact, stable unfolding state, and high long-term reliability.

The invention discloses a temperature control method and device of an energy storage system and the energy storage system, and belongs to the technical field of energy storage. The energy storage system comprises a plurality of battery packs. The method comprises the following steps: acquiring the current temperature of each battery pack; on the basis of the current temperature, according to a target temperature control mode, temperature control is conducted on the battery packs, so that the temperature of the multiple battery packs reaches the target temperature; wherein the target temperature control mode comprises at least two temperature control stages, and in the temperature control stages, the current temperature of one battery pack in the energy storage system serves as the target temperature control temperature, and temperature control is conducted on the battery packs with the current temperature lower than or higher than the target temperature control temperature. The consistency between the battery packs can be improved, so that the influence caused by a battery short-plate effect is reduced, and the system efficiency and the system safety are improved.

A harmless treatment tank for livestock and poultry died of illness belongs to the technical field of anaerobic treatment, and aims to solve the problems that the sealing performance is continuously reduced and fermentation gas leakage is aggravated due to long-time use of a flange connection part, the harmless treatment tank comprises a treatment tank body and a first flange pipe arranged at the top of the treatment tank body, a second flange pipe is installed at one end of the first flange pipe, a gas collecting piece is arranged at one end of the second flange pipe, a pressure difference sensor is installed in the first flange pipe, a fixing disc is fixedly installed on the surface of the second flange pipe, and a threaded pipe is rotationally connected to the surface of the second flange pipe. The leakage state of the joint of the first flange pipe and the second flange pipe can be monitored in real time, once gas leakage occurs, the driving piece, the threaded pipe and the sealing piece act rapidly, the joint of the first flange pipe and the second flange pipe is wrapped and sealed, fermentation gas leakage is inhibited from the source, and the fermentation gas collection rate and the system safety are remarkably improved.

The invention discloses a SCADA control method and system for biogas-to-natural gas based on temperature and pressure balance, which relates to the field of intelligent control technology, including: installing high-precision temperature sensors and pressure sensors on a biomass biogas-to-natural gas process device to obtain temperature and pressure balance parameters in real time, and removing noise and abnormal values ​​through a data cleaning algorithm; using a linear regression model to capture the linear relationship between temperature and pressure, and using an adaptive learning model to capture the nonlinear relationship between temperature and pressure; constructing and adjusting a temperature and pressure balance model in real time based on the outputs of the linear regression model and the adaptive learning model in combination with a logistic regression model, inputting the real-time collected temperature and pressure into the temperature and pressure balance model, predicting the optimal temperature and pressure setting values ​​under the current environment according to the model, and adjusting the working states of a heater, a cooler and a pressure regulating valve through the optimal temperature and pressure setting values ​​by a control module.

This application provides a GaN device gate drive voltage control circuit, which includes a voltage clamping circuit, a pulse generation circuit, and a power drive circuit. The voltage clamping circuit controls the gate voltage of the GaN transistor by clamping the gate voltage of a second NMOS transistor. The pulse generation circuit generates a voltage pulse by detecting the turn-on time of a fourth PMOS transistor. This pulse stabilizes the gate voltage of the first NMOS transistor by passing the current in the branch containing the first PMOS transistor. The current in the branch containing the first NMOS transistor and the current in the branch containing the third PMOS transistor charge the gate of the second NMOS transistor, thereby stabilizing its gate voltage and ensuring a rapid passage through the GaN transistor's half-bridge gate Miller plateau, thus maintaining a stable gate voltage. The power drive circuit provides sufficient drive current to the GaN transistor's gate. Through the coordinated operation of these three circuits, this application effectively improves the gate reliability and system safety in GaN power device applications.

The application discloses a butt joint of a high-voltage cable branch box, and relates to the technical field of power equipment.The butt joint comprises a joint body, a ring-shaped part, a stress detection assembly, an axial displacement detection assembly and an auxiliary detection assembly.Through arranging the ring-shaped cavities with liquid medium on the inner walls of the three connecting ends of the joint body, when the cable installation is forced to generate persistent static mechanical stress, the physical characteristics of the incompressible and omnidirectional flow pressure transmission of the insulating liquid medium in the cavity can be used to rapidly and uniformly disperse the local concentrated stress to each surface of the entire ring-shaped cavity, which not only effectively absorbs and buffers the destructive mechanical stress, avoids the concentrated outbreak and fatigue damage of the stress on the key connecting interface, but also enables the first elastic sheet to form a dynamic flexible seal, closely adhere to the surface of the component with slight deformation, prevent water vapor from entering, and further slow down the process of insulation deterioration.

The utility model relates to the technical field of steel plant sludge drying, and discloses a waste heat recycling sludge drying device suitable for a steel plant, which comprises a support, the top of the support is fixedly connected with a storage box, the top of the support is provided with a drying assembly, and the drying assembly comprises a conveying pipe. The bottom of the conveying pipe is fixedly connected to the top of the support, a low-temperature belt type drying machine is arranged on the outer wall of the support, a spiral pipe is rotationally connected into the conveying pipe, and a discharging opening is formed in the bottom of the conveying pipe. In the utility model, sludge is put into the buffer storage bin through a loading vehicle and is conveyed to the low-temperature belt type drying machine through a screw and a scraper blade, hot air of 150 DEG C generated by tail gas of an air cooling section of the annealing furnace is utilized to heat air supplied by a mesh belt to 80 DEG C to dry the sludge, wet and hot air is discharged after being dedusted by the spray tower, and the dried sludge is conveyed through a multi-stage screw; the problems of waste heat waste and high sludge treatment cost are solved, and the energy utilization efficiency and the environmental protection property are improved.

The invention discloses CT power taking equipment, an electric quantity management and upgrading method and device thereof and a medium, and relates to the technical field of battery management. The electric quantity management and upgrading method comprises the following steps: S1, in response to a remote upgrading trigger request, collecting key hardware state data; and S2, based on the collected parameters, calculating the total available energy of the equipment. The total available energy is the sum of the available energy of the battery, the available energy of the super capacitor and the predicted available energy based on the CT parameters. And S3, calculating the required energy for completing at least one upgrade data unit. And S4, the total available energy is compared with the required energy, a corresponding upgrading strategy is executed according to a comparison result, and the upgrading strategy comprises a complete upgrading mode, a breakpoint resume mode or a delayed upgrading mode. And S5, in the breakpoint resume mode, downloading, writing and checking data by taking a fixed upgrade data unit as a unit, and updating breakpoint information after each unit is completed.

The application relates to the field of operation and maintenance service management, and discloses a data center asset management method and system based on an out-of-band network and a server. In the application, at least two types of devices are imported into a data center based on an out-of-band network according to a multi-protocol adaptation template and / or a collection plug-in, and configuration information and hardware information of the at least two types of devices are acquired; the acquired hardware information is preprocessed, and the preprocessed hardware information is predicted and abnormally judged; alarm data is generated according to a prediction result and an abnormal judgment result, and an association between the generated alarm data and historical alarm data is extracted to perform alarm analysis and fault prediction; and in response to a device configuration instruction, the configuration information of the at least two types of devices is set through the out-of-band network, and a control script is generated to control the at least two types of devices to perform corresponding operations.

The invention relates to the technical field of oilfield chemical additives, and discloses a high-temperature slow-release oilfield acidifier and a preparation method thereof. The acidifying agent comprises the following components in parts by weight: 10-20 parts of modified polyaryletherketone, 20-35 parts of an organic coated acid source, 2-8 parts of a high-temperature stable cross-linking agent, 1-5 parts of a nonionic surfactant, 5-10 parts of a solubilizer and 30-60 parts of a water phase system. The modified polyaryletherketone is sulfonated, grafted with polyether amine and cross-linked with triethoxy borate to form a microporous network shell layer, so that core-shell coating of an acid source is realized. The preparation method sequentially comprises three steps of sulfonating polyaryletherketone, grafting polyether amine and crosslinking boric acid ester, and then emulsifying an acid source, a surfactant, a solubilizer and a water phase. The acidifying agent can be continuously controlled within 180-250 min in an environment of 150 DEG C or above, has the advantages of being large in penetration depth, low in metal corrosion rate and good in dispersion stability, and is suitable for acidification yield increase operation of deep high-temperature carbonate reservoirs.

The utility model discloses an embedded cable arrangement device of a fire-fighting distribution box, which belongs to the technical field of fire-fighting distribution boxes and comprises a fixed seat, the fixed seat comprises a base, one side of the base is provided with an embedded plate, and a plurality of groups of first clamping grooves for fixing cable bodies are arranged between the base and the embedded plate; the fixing seat is matched with the embedded block, the structure is simple, convenience and practicability are achieved, the cable body can be separately stored through the first clamping groove and the second clamping groove, when a certain cable is overhauled, the unlocking piece corresponding to the embedded block is operated to pull out the embedded block, other cables are not affected, the working difficulty is reduced, and the maintenance efficiency is improved. Meanwhile, multiple groups of first clamping grooves and second clamping grooves enable the cables to be arranged in order, clamping blocks and springs are matched to enhance the fixing effect, limiting strips and limiting grooves assist in mounting, and mounting plates and holes facilitate overall mounting and separate storage, so that heat dissipation of the cables is facilitated, the fault risk is reduced, the service life of the cables is prolonged, and the system safety is improved.

The application discloses a method for evaluating the comprehensive performance of an oil-gas mixed conveying pump based on multi-source information fusion, which comprises the following steps: obtaining performance data of the oil-gas mixed conveying pump under different gas contents and multiple working conditions; selecting evaluation indexes from the aspects of performance, gas-liquid uniformity and stability based on the performance data; determining the importance order of the indexes by using the analytic hierarchy process, constructing a judgment matrix and calculating the weight coefficients of the indexes; establishing a decision matrix by using the technique for order preference by similarity to ideal solution (TOPSIS), and determining the positive and negative ideal solutions of each working condition of the oil-gas mixed conveying pump in combination with the weight coefficients; calculating the relative closeness based on the positive and negative ideal solutions; quantitatively evaluating the overall quality of the mixed conveying pump under different working conditions according to the relative closeness, and analyzing the comprehensive influence trend of the performance, gas-liquid uniformity and stability caused by the import gas content and flow rate. The method solves the problem of poor accuracy and objectivity of the overall performance evaluation of the mixed conveying pump caused by single performance parameter analysis in the prior art, and provides technical support for the optimized design and performance improvement of the oil-gas mixed conveying pump.

The utility model relates to the technical field of pulverized coal system valves, and discloses a pressure relief mechanism of a pulverized coal system valve, which comprises a coal conveying pipe and a mechanical pressure relief valve, the bottom of the mechanical pressure relief valve is provided with a feed port, the feed port is fixedly connected to one side of the top of the coal conveying pipe, the middle of the mechanical pressure relief valve is provided with a pressure relief port, and the pressure relief port is fixedly connected to one side of the top of the coal conveying pipe. A circulating pipe is fixedly connected to the interior of the pressure relief opening, an anti-blocking assembly is arranged in the circulating pipe, and a secondary pressure relief assembly is installed on the other side of the top of the coal conveying pipe; the secondary pressure relief assembly comprises a main valve cylinder and a secondary valve cylinder, and one end of the secondary valve cylinder is obliquely installed on the side wall of the main valve cylinder. According to the multi-stage pressure relief device, firstly, the mechanical pressure relief valve is used for quickly reducing the pressure, and then the secondary pressure relief valve is used for stably releasing the pressure, so that the system safety is improved. The pressure relief opening is connected with the circulating pipe to recycle pulverized coal, loss is reduced, blockage is prevented through the ultrasonic vibration rod, pipeline smoothness is guaranteed, and the energy utilization efficiency is improved.