11results about How to "Address security risks" patented technology

The invention provides a business process intelligent configuration and security execution method, system and device, and the method comprises the steps: converting a natural language demand into a BPMN 2.0 process model based on a large language model and an enterprise knowledge base; the service rule description is converted into a Grouping script through multi-level security compiling; the process and the script are executed in the Flowable process engine integrated with the security sandbox, and execution data are collected; and calculating a process health score based on the data, generating and implementing an optimization suggestion, and feeding back a result to the knowledge base. The problems that a traditional process system depends on manual coding, the script safety is poor, and continuous optimization is lacked can be solved. The full-link automation and intelligentization of the business process from design, execution to optimization can be realized, the development efficiency and the system security are greatly improved, and the process has the self-evolution capability through closed-loop feedback.

This utility model relates to the technical field of fluid loading and unloading equipment, and discloses an electric vertical pipe for submerged loading of trains, including a wire retractor, a liquid inlet, an outer sleeve, a middle sleeve, an inner sleeve, and a train sealing cap; the outer sleeve, middle sleeve, and inner sleeve constitute a fluid channel from the liquid inlet to the liquid outlet at the end of the inner sleeve; the wire retractor is connected to the inner sleeve via a wire rope; by driving the extension and retraction of the middle and inner sleeves through the wire retractor, the lateral liquid outlet of the inner sleeve can be automatically and accurately delivered below the liquid surface inside the train tank car, avoiding the risks and inefficiencies of manual operation and realizing automated submerged loading; the nested extension and retraction structure of the three sleeves (outer, middle, and inner) allows the equipment to retract when not in operation, occupying little space; when in operation, it can extend to the interior of the tank car at different depths, with strong adaptability; it solves the problems of low efficiency and safety risks in manual loading of vertical pipes.

The application relates to the technical field of mine mechanical equipment, and provides an underground multifunctional carrier vehicle, which comprises a main vehicle frame, a directional caster wheel arranged at the front end of the main vehicle frame, a rotary connecting rod, one end of the rotary connecting rod being rotationally connected with the main vehicle frame, a split vehicle frame, the split vehicle frame being connected with the other end of the rotary connecting rod, and a universal caster wheel arranged at the connecting end of the split vehicle frame and the rotary connecting rod. In a first mode of the split vehicle frame, the split vehicle frame is rotated and folded around the rotary connecting rod, the split vehicle frame and the main vehicle frame are parallel and superimposed, the universal caster wheel is lifted and suspended and is accommodated in the inner side of the directional caster wheel, and the directional caster wheel independently supports the main vehicle frame. In a second mode of the split vehicle frame, the split vehicle frame is rotated and unfolded around the rotary connecting rod, the split vehicle frame and the main vehicle frame form a preset included angle, the universal caster wheel falls and supports the main vehicle frame together with the directional caster wheel. Through the rotary deformation structure between the main vehicle frame and the split vehicle frame, function integration and conversion are realized.

The invention discloses a mobile self-adaptive charging control and thermal control method and system, and belongs to the technical field of thermoelectric control systems.The method comprises the steps that a charging state sensing matrix is constructed by collecting multi-dimensional data such as electric quantity, battery health, environment temperature and load in real time; a neural network model fusing a space-time attention mechanism and a bidirectional LSTM is adopted to accurately identify a charging demand, and a dynamic strategy library is matched to generate an initial charging parameter; in the charging process, the state of a loop is monitored through double-end synchronous sampling larger than 1 kHz, the current and voltage are dynamically optimized in combination with a battery equivalent circuit model of the self-adaptive order, and efficient power matching and ripple suppression are achieved. And when it is detected that the temperature is abnormal, a multi-mode thermal management mechanism is triggered, and a charging-calculation-heat dissipation cooperative control closed loop is formed. The system also supports security OTA strategy updating based on federated learning and differential privacy; according to the invention, the charging efficiency, the safety and the service life of the battery are remarkably improved, and the environment adaptability in a complex mobile scene is enhanced.

This invention discloses a control system for an automated live-line working equipment manipulator, comprising: a manipulator body and control components; the manipulator body includes: a first ring-holding cylinder, a second ring-holding cylinder, a first clamping cylinder, and a second clamping cylinder; the first and second ring-holding cylinders are used to connect a pair of ring-holding manipulators, and the first and second clamping cylinders are used to connect a pair of clamping manipulators; the control components include: a first three-position four-way explosion-proof solenoid valve, a second two-position three-way explosion-proof solenoid valve, a second three-position four-way explosion-proof solenoid valve, a first balance valve, a first accumulator, a third three-position four-way explosion-proof solenoid valve, a second balance valve, and a second accumulator. This invention enables the automatic grabbing, conveying, and wellhead centering of the working tubing under unmanned operation conditions at the wellhead, solving the safety risks associated with traditional live-line working equipment requiring operators to be concentrated above the wellhead, effectively improving the equipment's operational efficiency and inherent safety.

This invention relates to the field of biogas purification technology, specifically to a biological biogas desulfurization and decarbonization method coupled with green algae photosynthetic oxygen production, comprising the following steps: S1: Raw material gas pretreatment: Crude biogas is sequentially subjected to dust removal and pressurization to obtain pretreated gas; S2: Green algae cultivation and bioreaction system construction: The green algae cultivation system is started to prepare green algae culture medium, and green algae produce oxygen through photosynthesis; A composite culture medium is added to the biological desulfurization tank and a mixed bacterial agent is introduced to construct a desulfurization reaction system; S3: Simultaneous desulfurization and decarbonization reaction: The oxygen produced by the green algae cultivation system is transported to the biological desulfurization tank in a closed loop; This invention is the first to construct a four-phase closed-loop circulation system of bacteria-algae-gas-liquid at the engineering level, which dedicates the green algae photosynthetic oxygen production to desulfurization and oxygen supply, fundamentally solving the safety and explosion risks caused by the mixing of oxygen into purified biogas in existing microalgae-based biogas purification technologies.

The utility model belongs to the field of puncher, specifically is a license fixed seal device is with puncher, including bottom plate, the top side of bottom plate is equipped with mounting panel, the top of mounting panel is equipped with first electric push rod, the output of first electric push rod is equipped with push plate, the top middle part of bottom plate is equipped with rectangular block, the top of rectangular block is equipped with placing groove, push plate corresponds with placing groove, the other side of bottom plate is equipped with processing platform, the top of processing platform is equipped with processing groove, one end of processing groove is equipped with limit mechanism, one side of processing platform is equipped with guide plate. The utility model discloses through setting up rectangular block, and setting up placing groove, can place workpiece in placing groove, then through first electric push rod drive push plate and push workpiece in placing groove to processing groove, the workpiece that processes good in processing groove is ejected, thereby need not through manual take the workpiece that processes good, solved the problem that can produce certain safety risk to staff, improved the efficiency of production.

The embodiment of the invention provides a connection method and device of household equipment, electronic equipment and a medium, and the method comprises the steps that when a control device detects that the distance between the control device and the household equipment is smaller than a preset threshold value, bidirectional authentication processing is carried out between the control device and the household equipment; after the bidirectional authentication is passed, network distribution information is sent to the home equipment, so that the home equipment accesses a network access point connected with the control equipment based on the network distribution information; and determining second detection information, and connecting with the control equipment under the condition that the second detection information is matched with the first detection information. According to the embodiment of the invention, the security of the network distribution process is ensured through close-range triggering and bidirectional authentication, the directional transmission of the network distribution information is realized through network access point connection, the leakage of the network distribution information in an open environment is avoided, the identity of the home equipment can be verified by comparing the consistency of the first detection information and the second detection information, and the security of the home equipment is improved. Information tampering or man-in-the-middle attack is prevented, and the problem that in the prior art, security risks exist in the distribution network process is effectively solved.

The utility model belongs to medical bed accessory technical field discloses a good protective medical bed electric push rod, including mounting seat, fixedly connected on the main rod of mounting seat and the extension rod of sliding connection on the main rod, the motor is slidably connected on the mounting seat, the handle is rotatably connected on the mounting seat, the drive assembly, clutch assembly and switching assembly are fixedly connected in the mounting seat, drive assembly is used for through motor or handle drive the extension rod relative to the main rod extension, clutch assembly is used for through control motor and drive assembly's separation and close to realize electric push rod's electric operation and manual operation's switching of switching, the utility model discloses the quick switching structure of built -in clutch assembly, can switch to manual operation mode in time when motor power failure or trouble, ensure the timely adjustment of medical bed height and angle under the emergency, solved the problem that electric push rod exists security risk under the power -off scene.

This application provides a testing apparatus and system for charging equipment, relating to the field of charging equipment testing. The testing apparatus includes: a first controller, at least one second controller, a first test board, at least one second test board, a first control guide board, at least one second control guide board, a first gun holder, and at least one second gun holder; the first controller is connected to the first test board and the first control guide board, and both the first test board and the first control guide board are connected to the first gun holder; each second controller is connected to one second test board, each second test board is connected to one second control guide board, and each second control guide board is connected to one second gun holder; the first test board is also interlocked with each second control guide board, and the first control guide board is also interlocked with each second control guide board. This enables parallel and / or serial testing of charging equipment, improving testing efficiency, and allowing for collaborative sharing of test data with the production line system.

The invention relates to the technical field of server NFC security authentication, in particular to a server NFC security management system and method based on a dynamic secret key, and the method comprises the steps: combining a unique hardware response generated by a physical unclonable function with an internal reference clock at a local server, and generating a dynamic initial secret key seed; when an authorized NFC card approaches, a session root key is calculated based on the seed, and the identity of the card is verified. In the key generation process, current system state parameters and network load indexes of the server are introduced in real time to serve as dynamic environment factors. The factor and the identity token are subjected to key derivation function operation to jointly generate a final temporary access key. According to the method, the physical uniqueness of hardware and the instantaneous state of system operation are utilized to ensure that the key generated by each time of authentication has unpredictable and unreproducible characteristics, key leakage and replay attacks are effectively resisted, and the security of physical access authentication is improved.