133 results about "Safety Equipment" patented technology

Smart Home Security Device with Predictive Threat Detection

The application discloses a multipurpose explosion-proof elevator safety clamp and belongs to the technical field of elevator safety equipment. The safety clamp comprises two mounting racks, a connecting assembly one, two rotating racks one, two rotating rods one and two rotating racks two. The connecting assembly one comprises two rotating racks one, the two rotating racks one are fixedly connected to the top of the two mounting racks respectively, the two rotating rods one are rotationally connected to the interiors of the two rotating racks one, and one end of the two rotating rods one is fixedly connected with the two rotating racks two respectively. The threaded groove in the sleeve and the threaded rod are threadedly connected, the sleeve and the connecting rod one are movably connected, the rotation of the sleeve drives the threaded rod to axially move relative to the sleeve, the two rotating blocks one and the rotating racks two are driven to angularly deflect around the rotating rod one, the overall spacing of the two mounting racks and the limiting assembly can be flexibly adjusted, the safety clamp can be adapted to the spacing requirements of guide rails of elevators of different specifications, the adaptability of the safety clamp is improved, and the multipurpose property is improved.

This invention relates to the field of nuclear safety equipment testing technology. It provides a method for optimizing parameters in accelerated reliability testing of nuclear safety-grade valves. The method involves the following steps: establishing a correlation model between accelerated stress and life parameters; calculating the acceleration factor and formulating an initial test plan; deriving the theoretical sample size based on the success-failure test method combined with confidence requirements; constructing an extended coefficient table using the range-extended test method to optimize test parameters; generating multiple accelerated test plans through chi-square distribution verification; eliminating plans that do not meet the life characteristic threshold; determining the optimal sample size, number of failures, and test cycle through comprehensive test cost and risk analysis; and finally outputting a complete test plan including the action interval time. This method solves the problems of limited test samples, insufficient failure data, low confidence levels, and difficulty in adapting accelerated models in existing high-reliability valve technologies.

This disclosure proposes a multimodal motion switching control method and device for a mining intelligent assistive exoskeleton, relating to the field of mining safety equipment technology. The method includes: collecting multimodal sensing data from the wearer, extracting temporal features and inputting them into a lightweight classifier to identify motion patterns and output confidence scores; when the confidence score continuously exceeds a threshold, a mode switching intention is determined; the control subroutine corresponding to the current motion mode is invoked to obtain impedance parameters and the desired trajectory; based on the impedance parameters, the desired trajectory, and the current trajectory, interpolation fusion is performed using a hybrid transition strategy to generate smooth transition joint control commands to control the exoskeleton. This disclosure enables real-time and accurate identification of motion intentions in confined underground environments, smooth and compliant switching between multiple modes, effectively reducing switching impact, ensuring motion continuity and human-machine collaboration safety, and improving the adaptability and overall operational safety of the exoskeleton in confined environments.

The invention relates to a safety device (17) for a vehicle, in particular a motor vehicle (1), comprising a door (6) which is arranged displaceably at a vehicle body (2) of the vehicle, a crash pin (19) which protrudes laterally from the vehicle body (2) in the direction of the door (6) at a holding section (18), and a recess (23) which is arranged at the door (6) and is configured for local accommodation of the crash pin (13). The crash pin (19) is fixed at the vehicle body (2), and a crash element (13) which extends at least substantially over the length of the door (6) is arranged at the door (6) and is configured to be supported at the holding section (18) of the vehicle body (2) with a first end (14) having the recess (23) in a side collision.

This utility model relates to the field of safety equipment monitoring technology, and in particular to a friction hoist wire rope slippage monitoring device. It includes a base plate with a sliding groove at its top. A friction wheel is slidably connected to the inner wall of the sliding groove. Multiple linearly distributed ropes are slidably connected to the inner wall of the friction wheel. Tension sensors are installed on the outer walls of the ropes. Multiple uniformly distributed laser displacement sensors are installed on the inner wall of the friction wheel. Multiple uniformly distributed data acquisition modules are fixedly connected to the outer wall of the friction wheel. A control panel is fixedly connected to the top of the base plate, and a data analysis module is fixedly connected to the inner wall of the control panel. Through the collaborative operation of the laser displacement sensors and tension sensors, the laser displacement sensors, which may have their measurement accuracy affected by dust adhesion in dusty environments, benefit from the mutual complementation of the two sets of sensors, ensuring stable monitoring data support and improving the reliability and effectiveness of monitoring, thus guaranteeing the safe operation of the friction hoist.

This invention relates to the field of network security technology and provides a method and system for defending heterogeneous security devices based on management and control computing. By constructing a device adaptation module to uniformly manage heterogeneous security devices and converting multi-source monitoring data into standardized event data, a fusion threat identification is performed using a detection model composed of a concatenated convolutional neural network and a long short-term memory network, which includes a penalty term for differences in cross-device threat prediction probability distribution. Dynamic defense actions are generated based on a Q-value table combined with network status. Attack paths are inferred through security entity association networks, and strategies are calibrated. Dynamic priority is applied according to threat confidence and target value level, with closed-loop optimization. This solves the problems of isolated defenses, rigid strategies, and delayed response of heterogeneous security devices, achieving dynamic collaborative detection and linked defense of heterogeneous devices, improving threat response speed and resource utilization efficiency.

This invention discloses a stream-based real-time log analysis and alerting method, apparatus, and related equipment. The method includes: collecting log data generated by different security devices; adding a flag field to each collected log data; formatting the log data according to the flag field; normalizing the formatted log data using a streaming processing framework; caching the normalized log data according to a preset matching scheme; determining whether the number of cached logs of the same statistical dimension reaches a preset threshold; if so, determining whether the generation time of all log data reaching the preset threshold exceeds a preset observation time range; and generating an alert if so. This method can solve the problem of log consumption capacity being less than log generation speed, significantly improving the analysis efficiency of attack log data and achieving more efficient log processing and alerting.

Modular personal protective equipment (PPE), comprising interconnected wearable monitoring and communications components integrated in personal safety equipment including helmet, glasses and vest. T

The application relates to the technical field of security verification, and discloses an application security access method and device, equipment and a storage medium, the method comprising the following steps: in response to an application access request input in a browser, determining identity verification information of a user according to the application access request; obtaining a device fingerprint, wherein the device fingerprint is generated by the browser according to device information of the user; performing security check according to the identity verification information and the device fingerprint to obtain a security check result; and performing application access control according to the security check result. The application can ensure that the user can only access the application on a specified security device, and effectively improves the application access security.

The utility model relates to the technical field of elevator safety equipment discloses an electronic safety clamp, including drive mechanism, power generation part, wedge and locking piece, drive mechanism drives wedge movement, makes the wedge press tightly on the guide rail under the cooperation of locking piece, power generation part sets up in the shaft wall of elevator well, power generation part is connected with car transmission, power generation part is connected with drive mechanism electric signal, car drives power generation part movement, makes power generation part power supply to drive mechanism, can supply power when the car is out of control through power generation part to drive mechanism, and drive mechanism drives wedge movement after getting electricity, and can be clamped on the guide rail through the cooperation of wedge and locking piece, thereby can make the car lock on the guide rail, solved the prior art's response speed is slow, and the technical problem of unable to brake, reached the technical effect that brake corresponding speed is fast, and brake is reliable.

The invention discloses an airbag device, motor vehicle safety equipment comprising the airbag device and a motor vehicle. An airbag device for a motor vehicle safety device comprises: an inflatable airbag formed of a flexible material and arranged as a wound and / or folded airbag bag; and a cover for accommodating at least a portion of the airbag pack, the cover including a first cover portion and a second cover portion connected or integrally formed with each other, the first cover portion and the second cover portion being made of a flexible material and respectively located on opposite sides of the airbag pack. The cover further includes a third cover portion covering at least a partial area of the first cover portion and / or the second cover portion and having a greater stiffness than the first cover portion and the second cover portion, and the airbag device has a predetermined stable shape as a whole.

The application discloses a dust falling device for a coal mining construction site, and relates to the technical field of coal mine safety equipment, which comprises a vehicle body and a water tank arranged on the vehicle body, the water tank is used for carrying water source and moving, a spraying part comprises two movable bearing plates and spraying pipe fittings arranged on the bearing plates, a plurality of atomizing nozzles are uniformly arranged on the spraying pipe fittings and used for spraying water mist, a lifting part comprises a scissor lifting frame and is used for pushing the spraying part to lift, and a cleaning part comprises a roller sleeve, a plurality of cloth strip brushes used for cleaning the spraying part are arranged on the roller sleeve. In the application, the spraying part is arranged on the vehicle body, can perform spraying operation in the moving process, is convenient to move to a dust raising area to perform operation, the vehicle body is further provided with a compartment frame, the spraying part can be accommodated in the compartment frame when not working, plays a protection role, and can reduce the occupied space.

Embodiments of the present disclosure provide a hydropower plant collaborative control method and system based on vibration link decoupling. The method comprises: dividing a vibration process into three links of excitation source, structure transmission and plant response; collecting vibration data in real time and setting multi-target threshold values of structure safety, equipment operation, personnel comfort and the like; establishing a mapping relationship between an operation parameter vector composed of unit active power, effective water head, tail water level and unit combination mode and plant vibration response; identifying and dynamically updating a region causing vibration exceeding the standard in the operation parameter space to form a dynamic vibration avoidance zone; collaboratively executing operation mode adjustment and / or structure response adjustment when the unit enters the vibration avoidance zone; and dynamically closing loop and correcting the control strategy according to the feedback monitoring result. Embodiments of the present disclosure realize decoupling collaborative control of the vibration link, can adapt to working condition changes and effectively reduce the plant vibration level.

This utility model discloses an intelligent spray eyewash room with automatic cleaning, including an eyewash room body and an eyewash unit body. The eyewash room body is equipped with an electric swing door, a pressure-sensing foot pedal, a V-shaped drain channel, and an infrared human body sensor to achieve automatic response when a user enters; the eyewash unit body controls the water flow through a solenoid valve, combined with constant temperature water supply, a filtration device, and ultraviolet disinfection to ensure rinsing safety; the equipment supports manual / automatic dual-mode operation and can be linked with a remote terminal through a multi-modal interactive panel.

This utility model relates to the field of precooling technology and discloses a liquid nitrogen LNG two-phase precooling safety device, including two stainless steel base frames. A storage tank is mounted on the top of each of the two stainless steel base frames. A cooling mechanism is located on the left side of the storage tank for precooling the tank body. A pressure relief mechanism is located on the right side of the storage tank for depressurizing the tank body. An explosion-proof mechanism is located on the right side of the interior of the storage tank. An insulating support mechanism is located on the top of each of the two stainless steel base frames. The cooling mechanism includes a sealing cover, the right side of which is located on the left side of the storage tank. In this utility model, the sealing cover integrates the LNG low-pressure export pipeline, the precooling pipeline, and the liquid nitrogen pipeline, allowing the introduction of LNG and liquid nitrogen to achieve simultaneous precooling of liquid nitrogen and LNG. This reduces the cost and loss of single-medium precooling, avoids the risk of localized overcooling, and improves the precooling efficiency and safety of the LNG storage tank.

The utility model discloses a safety fence suitable for excavation foundation protection, which belongs to the technical field of construction safety equipment and comprises a top connecting disc, at least three telescopic supporting legs are uniformly distributed on the top connecting disc, and the telescopic supporting legs are hinged on the top connecting disc through supporting leg connecting shafts; sheltering waterproof cloth is connected between every two adjacent telescopic supporting legs, and reflective strips are arranged on the sheltering waterproof cloth; and a warning device is arranged on the top connecting disc. The telescopic supporting legs break through the limitation of a traditional fixed structure, the height and angle can be flexibly adjusted, the telescopic supporting legs adapt to fluctuation changes of the mountain land surface, the problem that the fence inclines or topples over due to the uneven supporting face is solved, the protection reliability is greatly improved, secondary potential safety hazards are avoided, and meanwhile storage and assembly are convenient. The shielding waterproof cloth actively prevents rainwater from directly filling the foundation pit, and the risks of pit wall soil body softening, slope instability and the like are effectively avoided; the reflective strip and the warning device work cooperatively, the warning effect is achieved under the condition of poor light, dangerous areas are effectively isolated, and personnel are prevented from rushing through mistakenly.

A sensing device for integrated image capture of stationary or moving objects in roadway intrusion detection systems comprises a camera and central processing unit configured with artificial intelligence to capture images within a specified area, calculate mass and motion of objects, and predict trajectories. The CPU employs neural networks trained on custom models for vehicle detection and classification without requiring internet connectivity. When objects are predicted to enter protected areas such as work zones with emergency, construction, or maintenance personnel, the system generates voltage signal outputs to activate audible, visual, and haptic alert indicators. The device features a single housing with monocular camera, CPU, and wireless communication, mountable on fixed locations or vehicles, functioning in both stationary and mobile applications. The system is expandable with additional cameras for stereoscopic vision or doppler radar for enhanced measurements, determines safe traffic patterns by analyzing direction, lane position, and speed, provides staged warnings at multiple distance thresholds, detects irregular traffic patterns, collects traffic data, operates in drone-mounted aerial configurations, and recognizes changes in safety equipment patterns to alert workers of compromised work zone perimeters.

The utility model discloses a kind of gas active safety defense devices, it is related to gas safety equipment technical field, including shell, one side in the shell is equipped with air inlet pipe, another side in the shell is equipped with air outlet pipe, one end of the air inlet pipe and the air outlet pipe respectively with gas pipeline air inlet pipe and gas pipeline air outlet pipe intercommunication after penetrating out the shell, another end of the air inlet pipe and the air outlet pipe is communicated with gas meter after penetrating out the shell;Valve is installed on the air inlet pipe, valve front pressure sensor and valve rear pressure sensor are respectively installed on the air inlet pipe located the two sides of valve before and after;Flow sensor is installed on the air outlet pipe.The utility model gas active safety defense device can detect the data of gas pipeline in real time, can determine that gas pipeline under pressure, overpressure, gas over flow, leakage, earthquake and other abnormalities in time, and actively cut off gas pipeline, greatly improve the security of gas use.

This invention discloses a passive anti-tornado air pressure sealing flood drainage device, specifically relating to the field of nuclear power plant safety equipment and valve technology. It includes an inner frame, an outer frame, an inner upper suspension valve plate, an outer middle suspension valve plate, a sealing frame, sealing elements, and a float linkage assembly. The inner and outer frames are fixedly connected to the wall via expansion bolts. The inner upper suspension valve plate and the outer middle suspension valve plate are respectively installed on the inner sidewall of the inner frame via two sets of hinges. The sealing frame is fixedly connected to the inner and outer frames via bolts, and sealing elements are fixedly installed on the sealing frame. The float linkage assembly is installed at the bottom inside the inner frame. This structure can balance sealing design and functional conversion between normal pressure airtightness and accident conditions. It achieves high sealing performance and fire resistance without affecting large-flow automatic drainage, thus ensuring drainage efficiency.

The utility model relates to the technical field of underground mine safety equipment, especially to a kind of calibration device of mine methane sensor.The utility model places the two loading bottles of methane sensor in base, supports loading bottle by base, and is wrapped with shell outside base and loading bottle, the bottom of shell is connected with base to drive methane loading bottle to move, and left and right two parts shell are fixedly connected by fastening assembly, when using, first, fastening assembly is disassembled, and the shell of left and right two parts is pulled to two sides, so that base and loading bottle are exposed, at this time, the pipeline of flowmeter is connected to the methane sensor to be checked to check, after checking, pipeline is disconnected, two parts shell is pushed from two sides to middle, so that shell bottom is connected with base, and fastening assembly is fixed.

The application discloses a CC attack intelligent defense method, device and equipment based on a large language model, comprising: performing traffic semantic translation on captured real-time network traffic to generate a semantic description object including a time sequence behavior sequence and context features; inputting the semantic description object into a domain fine-tuned large language model to perform attack intention reasoning to obtain a threat judgment result, generating a corresponding dynamic defense strategy description based on the threat judgment result; compiling the dynamic defense strategy description into an executable instruction sequence, and issuing the executable instruction sequence to a downstream security device to drive execution to obtain an execution result; based on the execution result, monitoring network traffic situation and business indicators after the downstream security device executes the strategy to generate strategy effect evaluation data; and optimizing the large language model based on whole-link data including the semantic description object, the threat judgment result, the dynamic defense strategy description and the strategy effect evaluation data.

This invention discloses a log alarm noise reduction method, device, electronic device, and storage medium based on semantic analysis, belonging to the field of network security technology. The method first performs semantic alignment on heterogeneous alarm logs from multiple security devices based on the ECS standard and the MITREATT&CK knowledge base to generate standardized alarms. Then, it extracts and encodes alarm semantic features, network traffic features, and network topology features in parallel to form a multimodal feature set. Finally, the multimodal features are input into a noise reduction model, which performs hierarchical fusion through a two-stage PACF module and uses an edge-confidence-enhanced graph attention network (ECE-GAT) for classification, outputting the discrimination results between real alarms and noise, and their corresponding confidence scores. This invention effectively solves the problems of alarm overload, semantic ambiguity, and noise interference, improving the automation level and analysis efficiency of security operations.

This utility model relates to the field of crane operation safety equipment, and in particular to an anti-sway device for crane tracks. It includes an anti-sway mechanism comprising a gantry crane and a wire rope. Side plates are fixedly installed on both sides of the gantry crane, and each side plate is equipped with a movable component. A flipping component is installed at the lower end of each movable component, and a first clamping component for clamping the wire rope to prevent swaying is installed on the opposite side of the flipping component. A fixing mechanism includes two sets of airbags for further clamping and fixing the wire rope. Each airbag is equipped with a second clamping component for pushing the airbag to clamp the wire rope. This invention solves the problems of poor adaptability of existing anti-sway devices, easy wear on the wire rope, and insufficient linkage with crane operation, resulting in poor anti-swaying effect and potential safety hazards.

This invention discloses an intelligent management control cabinet and operation and maintenance method for wind power, relating to the field of wind turbine operation and maintenance technology. The control cabinet includes a cabinet body, an intelligent control unit, and modules for work order reception, personnel identification, and safety equipment detection. Each module is electrically connected to the intelligent control unit. After approval, the work order is transmitted to the control cabinet. The intelligent control unit controls the power supply of the climbing aid / elevator through a full-process verification process, including personnel identity verification, safety equipment wearing detection, and warning sign management. The operation and maintenance method includes eight steps: work order transmission locking, identity verification, safety equipment detection, work order confirmation, warning sign management, equipment unlocking, maintenance return, and system reset. This invention uses intelligent means to enforce standardized operation and maintenance processes, implement safety measures, and achieve remote visual monitoring and data traceability. It solves the problems of lax qualification review, inadequate safety measures, and crude process management in existing technologies, improving operation and maintenance safety and efficiency, and is suitable for the harsh environment of wind power sites.

The utility model belongs to pipeline safety equipment field, specifically is a kind of energy -conserving and environment -protecting natural gas flame -retardant device, including first cylinder and second cylinder and sealing pipe, sealing pipe is provided with assembly ring groove, sealing pipe is assembled with first metal heat conduction plate, sealing pipe is assembled with second metal heat conduction plate, first metal heat conduction plate and second metal heat conduction plate are assembled with assembly disc, assembly disc is provided with assembly groove, first metal heat conduction plate and second metal heat conduction plate are assembled with stable mechanism, and stable mechanism includes support block and movable mouth, movable mouth is arranged in assembly disc, support block is assembled with operating block, operating block is provided with traction cavity, traction cavity is assembled with traction block, traction block is assembled with first stop block, first stop block is assembled with extension block, extension block is assembled with second stop block, the above-mentioned energy -conserving and environment -protecting natural gas flame -retardant device solves the problem that existing fire -resistant core is impacted and is easy to shake in fire damper by the cooperation of first stop block and second stop block, lacks the problem of stability.