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562results about How to "Realize security protection" patented technology

Intrinsically safe inerting protection method and device for oil storage tank

The invention discloses an intrinsically safe inerting protection method and an intrinsically safe inerting protection device for an oil storage tank, relates to a method and a device for active fire and explosion prevention of the oil storage tank, and aims to solve the problem of fire and explosion prevention of the oil storage tank. The method comprises the following steps: a, performing inerting on each oil tank in sequence to ensure that each oil tank achieves an inexplosive condition, namely, the oxygen concentration of gas in the tank is lower than 10 percent; b, detecting the pressure of a pipe network for supplying inert gas to the oil tank, and supplying the inert gas to the pipe network and inputting the inert gas to the oil tank through the pipe network if the pressure is lower than a set lower limit value; c, detecting the pressure of the pipe network for supplying the inert gas to the oil tank, emitting the inert gas in the pipe network if the pressure exceeds a set upper limit value; and d, detecting the oxygen concentration in the pipe network for supplying the inert gas to the oil tank, and repeating the step a if the concentration exceeds the set upper limit value. The device comprises a buffer device, a breathing pipe network, a first pressure transmitter, a second pressure transmitter, an online oxygen analyzer and an electric control device.
Owner:LOGISTICAL ENGINEERING UNIVERSITY OF PLA +1

Key configuration method, device and system

The embodiment of the invention provides a key configuration method, a device and a system, and the method comprises the following steps: a strategy function network element receives a request of communication between user equipment and network equipment; based on the request, and UE registration information, subscribed service data and service security demands, the strategy function network element determines a user plane protection mechanism; when the network equipment is CN equipment, the strategy function network element sends the user plane protection mechanism to an algorithm network element; the algorithm network element determines a security protection algorithm based on the user plane protection mechanism, generates a first user plane protection key based on the security protection algorithm, sends the first user plane protection key to the CN equipment and sends the security protection algorithm to the user equipment, and the user equipment generate a second user plane protection key based on the security protection algorithm. By implementation of the key configuration method, the device and the system provided by the embodiment of the invention, the user equipment and the network equipment can respectively complete configuration of the user plane protection key in the 5G communication, security of user plane data transmission is improved, and network security protection is realized.
Owner:HUAWEI TECH CO LTD

Integrated multifunctional parking braking system and control method thereof

The invention discloses an integrated multifunctional parking braking system and a control method thereof. A first bi-directional valve, a dust filtration check valve, a pressure reducing valve, a parking braking electromagnetic valve, a second bi-directional valve, an electric interlocking cock and an outlet in the system are connected in sequence. The first bi-directional valve is connected with a first air source and a second air source. A parking braking air cylinder is arranged between the dust filtration check valve and the pressure reducing valve. The second bi-directional valve is connected with a comparison outlet. A first pressure switch and a second pressure switch are arranged between the electric interlocking cock and the outlet. The integrated multifunctional parking braking system and the control method thereof have the advantages that the original parking braking function is reserved, meanwhile, the function of the double air sources from a total air pipe and a train pipe (or other external air sources) is achieved, and it can be guaranteed that parking braking can be automatically implemented when total air does not exist; meanwhile, the functions of parking braking status display, mechanical display or digital display, manual release and the like can be achieved; an air board integration mode is adopted, the size is small, the integration degree is high, and rapid installation or maintenance is facilitated.
Owner:CRRC ZIYANG CO LTD

Elderly people rehabilitation and monitoring system based on interaction of virtual reality and body movement

The invention discloses an elderly people rehabilitation and monitoring system based on interaction of virtual reality and body motions. The elderly people rehabilitation and monitoring system based on interaction of the virtual reality and the body motions comprises a virtual scene subsystem, a body motion collecting device, a human-computer interaction subsystem, a health supervision subsystem, a processor, a protection subsystem and a training aiding subsystem. According to the elderly people rehabilitation and monitoring system based on interaction of the virtual reality and the body motions, for the demand of elderly people for body motion training, the purposes of exercise and rehabilitation training of elderly people are achieved through action games by organically combining the virtual reality technology, the motion recognition technology, a rehabilitation training device and a training aiding device; in addition, warning and health monitoring are achieved when elderly people tumble or an accident happens to elderly people; during exercise and rehabilitation training of elderly people, the boringness of training is avoided, and safety protection of elderly people is achieved.
Owner:汇智金合(北京)科技有限公司

Vehicle-ground integrated operation safety protection system and method

PendingCN110435718ASolve the problem of personal safety protectionRealize security protectionRailway signalling and safetyIntegrated operationsYard
The invention relates to a vehicle-ground integrated operation safety protection system and method. In the process that on-site operators carry out operation on a railway, accurate position information of the operators is obtained through satellite differential positioning, train operation information is obtained through external vehicle-mounted equipment, signal state information of a station yard is obtained through an interface for connection with an external TDCS, comprehensive operation processing is carried out by combining the accurate position information of the operators, the train operation information and the signal state information of the station yard and basic data, then operation safety protection information is output and transmitted to the on-site operators and the systemvehicle-mounted equipment through mobile wireless communication network/GSM-R network, and the on-site operators stop operation and get off for avoidance in time when receiving early warning information or alarm information. The system has the following advantages that accurate positioning of the on-site operators, automatic identification and alarm of collision between an on-site operation area and an approach train route, vehicle-ground integrated linkage protection and remote operation assistance are realized, and personal safety protection under single-person or multi-person operation on site is effectively achieved.
Owner:HENAN LANXIN TECH

Method for filtering OPC security gateway data packets

The invention discloses a method for filtering OPC security gateway data packets. The method is used for solving the technical problem of poor security protection of the existing industrial control system. The invention adopts the technical scheme as follows: the method for filtering the OPC security gateway data packets comprises the steps of arranging an OPC security gateway on a network link between an enterprise information network and an industrial control network, checking OPC data packets which pass through the OPC security gateway and carrying out security certification on an OPC client terminal, checking whether communication between the OPC client terminal and an OPC server accords with the security policy by using an OPC communication rule, processing the communication between a primary OPC client terminal and the OPC server according to a security checking rule when the OPC security gateway forwards the data packets and prohibiting the OPC data packets which violate the security rule from entering the industrial control system. According to the method for filtering the OPC security gateway data packets, the security of the industrial control system is protected by arranging the OPC security gateway; the vicious OPC communication operations and the data packets are filtered; the security protection capability of the industrial control system is improved.
Owner:NORTHWESTERN POLYTECHNICAL UNIV

Three-dimensional layered water quality monitoring method and three-dimensional layered water quality monitoring system

ActiveCN106290770AMonitoring is automatic and accurateControl depthTesting waterAutomatic controlMean square
The invention provides a three-dimensional layered water quality monitoring method and a three-dimensional layered water quality monitoring system. The method comprises the following steps of collecting water quality information of each measurement point, calculating mean square deviation of water quality parameters of each measurement point in real time, and collecting positions underwater according to the mean square deviation value; automatically controlling the underwater collection speed according to the water-level fluctuation speed; and collecting water quality information at different underwater depths according to the mean square deviation of water quality information, measurement points with water-level fluctuation selective adaptability and underwater speed, and establishing water body information in a layered manner. The system comprises a lifting execution device, an underwater collection device arranged on the lifting execution device, and an overwater control device respectively connected with the lifting execution device and the underwater collection device. The method and the system are capable of automatically and accurately monitoring ocean water quality or surface water quality, intelligently controlling the collection depth, speed and interval, accurately, effectively and automatically dividing each water layer along the direction, and providing accurate and reliable data guarantee for water quality research.
Owner:CHINA AGRI UNIV

Method for achieving communication safety of vehicle-mounted electronic information system

The invention discloses a method for achieving communication safety of a vehicle-mounted electronic information system. The method includes the steps that when vehicle-mounted information is output, a corresponding authentication and / or encryption algorithm is searched for in a security strategy library, and a data package is output after being authenticated and / or encrypted and packaged; when external data packages are input into the vehicle-mounted information system, the authentication and / or encryption algorithm used by the data package is searched for in a rule library according to a parameter index, and de-encapsulation is carried out on the data package by means of a found result to obtain a verification value or plaintext data package; the plaintext data package is searched for again in the security strategy library, if a specific security rule in the security strategy library corresponds to that obtained according to the parameter index of the data package, it means that the data package has no fake or deceptive behaviors and the data package passes verification, and the data package after de-encapsulation is input to an upper layer protocol and continues to be decrypted. By means of the method, safe, reliable and confidential communication of the vehicle-mounted information system can be guaranteed.
Owner:吴刚 +3

Data security protection method, network access equipment and terminal

The invention discloses a data security protection method, network access equipment and a terminal. The method comprises the following steps that the network access equipment receives an RRC connection request message sent by the terminal, wherein the RRC connection request message comprises a security capability algorithm supported by the terminal; the network access equipment determines a targetsecurity capability algorithm according to a security capability algorithm supported by the network access equipment and the security capability algorithm supported by the terminal; the network access equipment sends an RRC connection establishment message to the terminal, wherein the RRC connection establishment message comprises the target security capability algorithm; the network access equipment a downlink non-access layer direct transfer message sent by core network equipment, wherein the downlink non-access layer direct transfer message comprises a security key of the terminal; and data security protection is carried out on an AS layer message which is mutually received and sent between the network access equipment and the terminal by using the security key and the target securitycapability algorithm. By the adoption of the method, the network access equipment and the terminal, the transmission security of user data in an air interface can be improved.
Owner:ZTE CORP

OPGW DC ice-melting system

ActiveCN105119227AEnhance the effectiveness of disaster resistance and mitigationStrong practical application valueOverhead installationThermometers using physical/chemical changesSingle-mode optical fiberTemperature measurement
The invention discloses an OPGW DC ice-melting system, and the system comprises an ice-melting ground line, an ice covering measurement sensor, an ice covering measurement host, an ice-melting measurement host, a DC ice-melting power supply, a 485 concentrator, a switcher, a monitoring terminal, and an optical cable joint box. The ice-melting ground line is connected with the ice covering measurement host through the optical cable joint box, and the ice covering measurement sensor is connected with the ice covering measurement host through a single-mode optical fiber. The ice covering measurement host, the ice-melting measurement host and the DC ice-melting power supply are respectively connected with the 485 concentrator. The ice covering measurement host and the ice-melting measurement host are connected with the monitoring terminal through the switcher. The system achieves the overtemperature monitoring in a long-distance circuit ice melting process and circuit ice melting control under the different conditions in a deicing period through employing the technology of distributed optical temperature measurement and the technology of on-line analysis. The system achieves the ice covering monitoring of a power transmission rod tower under the on-site passive conditions, electromagnetic radiation resistance conditions and severe monitoring conditions through employing the technology of optical fiber grating ice covering measurement, and has a higher practical value.
Owner:CHINA ELECTRIC POWER RES INST +2

Network area boundary security protection system, method and equipment

ActiveCN111711616ARealize security protectionMake up for the lack of protectionTransmissionData streamAnalysis data
The invention relates to a network area boundary security protection system, method and device. The method comprises the steps that a server management module monitors the operation condition of the system, formulates a security management strategy, and carries out the collection, storage and calculation of associated data; a switch intelligent identification module identifies equipment information of the switch; the switch monitoring management module acquires corresponding information and generates alarm information when the protocol state information of the switch is abnormal; a port fingerprint analysis module performs unique fingerprint identity identification and calibration on physical ports of all switches; an equipment fingerprint analysis module acquires related information of the network access equipment and then calibrates the related information; a data fingerprint analysis module performs fingerprint calibration on all data streams in the network, and analyzes the source,destination, type and content of the data to release and block the data; and a port access control module is used for monitoring the operation state and the data throughput condition of the access port in the regional boundary so as to close or open the port. And basic guarantee and protection are provided for boundary protection of the network area.
Owner:蜘易唐平(北京)科技有限公司
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