14results about How to "Reflect security" patented technology

The invention discloses an internet-based intelligent data real-time analysis and dynamic recommendation system, relates to the technical field of park fire fighting system dynamic recommendation, and solves the technical problem that fire hydrant point locations and early warning point locations cannot be planned and recommended according to real-time data analysis in the prior art. The method specifically comprises the steps of setting fire hydrant mounting positions according to distribution positions of adjacent sub-areas, marking the fire hydrant mounting positions as preset point positions, performing area point position evaluation on a park area, setting an ignition point at any position in the park area, and performing fire hazard estimation according to the environment of the position where the ignition point is located. According to the real-time simulated ignition point, a fire pre-estimation line and a fire area expansion trend are obtained, a complete fire pre-estimation track chain is constructed in combination with a fire behavior track and a fire behavior area, and fire control area ratio and fire control pressure information are obtained according to real-time data acquisition and analysis. And fire hydrant point location planning is deduced according to real-time information comparison, and real-time recommendation is carried out through a recommendation module.

The invention discloses a disc type rotating device of an automobile seat, and belongs to the technical field of automobile seats. Comprising a lower chassis; the group of lower gaskets are arranged on the upward side of the lower chassis; the rotating disc is supported on the group of lower gaskets and is provided with a rotating disc centering mechanism abdicating hole; the rotating disc centering mechanism is fixed with the lower chassis; the rotating disc driving mechanism is used for driving the rotating disc to rotate; the structure is characterized in that a gear ring plate is directly formed in the middle area of the lower chassis, a lower chassis center hole is formed in the center area of the gear ring plate, and a gear ring is formed on the wall body of the side, facing the lower chassis center hole, of the gear ring plate; the rotating disc centering mechanism is fixed to the lower chassis, a rotating disc locking and unlocking executing mechanism is arranged on the rotating disc, and a lock shaft traction connecting mechanism is arranged on the rotating disc driving mechanism. The device has the advantages of compact structure and convenience in manufacturing and assembling; the stable effect tending to be gapless when the rotating disc rotates can be fully guaranteed; the safety is embodied; the requirements for flattening and light weight can be met, and the adaptability to different vehicles is improved.

The present invention discloses a cell-carrying microgel for ophthalmic injection and its preparation method and application, belonging to the field of biopharmaceutical technology. The cell-carrying microgel for ophthalmic injection comprises a double-network cross-linked gel microsphere constructed by cross-linking two or more polymer materials, the surface of the gel microsphere is coated with fibrin, and the surface of the fibrin is loaded with retinal pigment epithelial cells. The present invention uses the free radical polymerization reaction of GelMA / HAMA to photocross-link the microspheres, and after the surface is coated with fibrin, hESC-RPE cells are implanted. The obtained cell-carrying microgel realizes a new fundus cell transplantation strategy for minimally invasive injection of subretinal cavity.

The utility model discloses a kind of cancer proton heavy ion radiotherapy positioning auxiliary equipment, it is related to positioning auxiliary equipment technical field, including: base, first hydraulic cavity is equipped in its inside middle part, liftable hydraulic disc is connectable in the first hydraulic cavity;Supporting rod, its bottom end is fixed to the hydraulic disc top end, top end is connected with the load plate for carrying patient;Symmetrically set in the side tank of base both sides, each side tank is equipped with the buffer hydraulic cavity being communicated with the first hydraulic cavity, the buffer hydraulic cavity top is connected with multiple second hydraulic cavities;The utility model patient is more, the pressure that hydraulic disc bears is greater, the pressure difference in the first hydraulic cavity is greater, the force that is stronger to second hydraulic cavity push piston and positioning rod is transmitted, the clamping force of positioning rod to patient is greater;This characteristic makes equipment can adapt to patient of different weight, especially applicable to the generally larger weight American population, guarantee the stability and reliability of positioning.

The invention relates to the technical field of cardiovascular nursing instruments, in particular to a cardiovascular disease patient limb muscle atrophy prevention exercise device which comprises a bottom plate, a supporting plate and a top plate, the supporting plate and the top plate are arranged on the rear side of the bottom plate, a stretching mechanism is arranged on the top plate, and arm bending and stretching mechanisms are arranged on the left side and the right side of the supporting plate respectively. A counterweight mechanism is arranged at the bottom of the supporting plate and connected with the stretching mechanism and the arm bending and stretching mechanism, a leaning seat is arranged on the front side of the supporting plate, a transmission mechanism is arranged on the inner side of the supporting plate and connected with the counterweight mechanism, and a treading mechanism is arranged on the leaning seat. The problems that in the prior art, a cardiovascular disease patient limb exercising device cannot meet the requirement for comprehensive limb muscle exercising of a patient, the exercising effect is limited, the exercising mode is single, the exercising enthusiasm of the patient cannot be aroused, comfort is poor, meanwhile, adjustment cannot be conducted according to the needs of the patient, and the exercising effect is poor are solved. And the applicability is relatively low.

The utility model relates to the technical field of whole-body safety belts, in particular to a whole-body safety belt with an anti-static function, which comprises a waist bandage, a chest bandage and an extension ring, the chest bandage is arranged above the waist bandage, the bottom of the chest bandage is connected with the top of the waist bandage in a sewing mode, and the extension ring is arranged on the waist bandage. A fixing bandage is arranged at the bottom of the waist bandage, a leg bandage is arranged at the bottom of the fixing bandage, the interior of the leg bandage is connected with the extension ring in an embedded mode, fluff on the bandage is prevented from directly rubbing a user to generate static electricity, meanwhile, a static bracelet is arranged, the static bracelet is fixed to the wrist of the user, and therefore the static electricity can be effectively prevented from being generated. The electrostatic bracelet is in contact with the skin of a user, so that the human body and the whole-body safety belt are at the same potential, the potential difference between the human body and the equipment is eliminated, electrostatic discharge is prevented, static electricity generated after long-term use is effectively prevented, and the safety of the device is embodied.

This invention discloses a method for assessing driver's road driving ability based on big data, comprising: multi-dimensional collection of driving behavior data from instructors and trainees; setting standard event thresholds to identify and distinguish normal and abnormal behaviors; screening indicators in which the instructor's performance is significantly better than the trainee's during the interaction process, and quantifying these process-oriented behavioral indicators using the standard event thresholds; determining optimal weights with the instructor's score being better than the trainee's score as the optimization objective; and after determining the optimal weights for each behavioral indicator, calculating the total score for each item using weighted averages to achieve the assessment of the driver's road driving ability. This invention provides an effective tool for driver training through a scientific, objective, and comprehensive evaluation system, helping to improve trainees' driving skills and safety awareness, enhance the quality of training and testing, and ultimately improve road traffic safety.

The utility model relates to the technical field of rail transport lines, and discloses a high-altitude PCB rail transport line with a protection mechanism. The high-altitude PCB rail transport line with the protection mechanism comprises a rail and a baffle located below the rail. The top of the rail is connected with a mounting block through a fastener, rollers are arranged on the two sides of the rail, one side of each roller is connected with a fixing block through a rotating shaft, the bottom of the fixing block is connected with one end of an air cylinder through a fastener, a first motor drives a bidirectional threaded column to rotate, and the bidirectional threaded column drives a threaded block to move through a forward thread and a reverse thread. The threaded block drives the baffle to shield the pcb on the frame, then the second motor is started, the second motor drives the rolling wheels to rotate on the rails through the output shaft, the rolling wheels drive the frame to move, when vibration or shaking occurs in the transportation process, the pcb is prevented from sliding to the outside, and the safety of the device is embodied.

The invention relates to the technical field of automobile part welding, in particular to a laser welding device for automobile part production. Comprising a shell, a fixing part is arranged on the shell, a welding part is arranged in the shell, the filter box is further included, the filter box is arranged on one side of the shell, a filter plate is arranged in the filter box, and an exhaust port used for exhausting filtered gas is formed in the top of the filter box. According to the laser welding device for automobile part production, the welding process is conducted in a sealed space through design of the welding cavity, waste gas generated during laser welding is fed into the filter box through a preset channel, filtered and purified through the filter plate and then exhausted to the outside through the exhaust port, and through the design of the filter plate with the three hole diameters gradually decreased from bottom to top, the welding efficiency is improved. The waste gas is subjected to three filtering procedures, so that the filtering effect on the waste gas is guaranteed, the environmental protection property and the safety of the device in use are embodied, and the device is further beneficial to popularization and use.

This utility model discloses a safety training and experience device for high-altitude operations in power transmission, comprising: an experience platform, VR glasses, a slide rail, a slider, a solenoid valve assembly, a background wall, a display screen, a safety tool cabinet, and a power transmission line walking channel; VR glasses are installed on one inner wall of the experience platform, a slide rail is installed on the top inner wall of the experience platform, a slider is installed on the slide rail, and a solenoid valve assembly is installed in the middle of the slide rail; a background wall is located at the rear of the experience platform, and a safety tool cabinet is located at the front of the experience platform; the power transmission line walking channel is installed on the experience platform via a base plate, a fall platform is installed in the middle of the base plate, and an electric telescopic rod is provided between the fall platform and the base plate; support rods are also installed on the base plate, and the support rods are connected by a first power transmission line; a second power transmission line is installed on the surface of the base plate and the surface of the fall platform. The device provided by this utility model allows users to experience safety training simulating high-altitude operation scenarios.

The invention discloses a Linux system integrating a PENGLAI trusted execution environment based on an RISC-V framework and a building method of the Linux system. The Linux system comprises a software part and a hardware part. The software part covers a user side application, a Linux operating system and an Enclave SDK (Software Development Kit); the hardware part adopts an SoC chip; burning the bit stream of the SoC onto the development board, and transmitting the OpenSBI bootstrap program into the development board through a Uart serial port and loading the OpenSBI bootstrap program; entering a U-Boot configuration interface to configure an IP (Internet Protocol) of the development board by using a command line so as to start a TFTP (Thin File Transfer Protocol) service; the Linux mirror image file is transmitted into the development board and loaded, and a Linux terminal is entered; a driving program and a main program of the PENGLAI trusted execution environment are introduced, and environment building is completed. The method is suitable for scenes with high system security and credibility requirements, and provides protection of the whole system life cycle, such as secure starting, secure storage and secure operation.

The present invention relates to an intelligent meter box for electric power marketing applied in the technical field of intelligent meter boxes, which comprises a safety guarantee mechanism, an intelligent air circuit breaker, a safety intelligent controller, a locking mechanism and a safety intelligent controller. The safety guarantee mechanism comprises a self-power-off device arranged on the intelligent air circuit breaker and a temperature sensor arranged in a box body; the locking mechanism comprises a lock body assembly installed on the box door, a lock tongue installed on the box body and corresponding to the position of the lock body assembly, the lock body assembly comprises a lock hole, a lock head, a limit groove, a spring 2, a reduction motor, a Hall sensor and a battery respectively installed in a locking support shell; an intelligent control module, an instruction module and a detection module are arranged in the safety intelligent controller; the above structure enables the intelligent meter box to adjust the response strategy according to the load condition of the load in the box body, and the lock body assembly of the meter box is automatically unlocked when the power is cut off, which fully reflects the intelligence, automation and safety of the intelligent meter box.

The invention discloses a vehicle-mounted tarpaulin device capable of being rapidly installed, and relates to the technical field of vehicle-mounted accessories, the vehicle-mounted tarpaulin device comprises a double-layer tarpaulin, the front side and the rear side of the double-layer tarpaulin are connected with elastic frame tarpaulin, the elastic frame tarpaulin is integrally made of elastic cloth, and the elastic frame tarpaulin and the double-layer tarpaulin are connected into a whole. A movable detachable tarpaulin is installed in the middle, away from the double-layer tarpaulin, of the elastic frame tarpaulin, the frame assembly comprises a first transverse rod, a second transverse rod is installed above the first transverse rod, a third transverse rod is installed above the second transverse rod, and the first transverse rod, the second transverse rod and the third transverse rod are installed in the same plane. According to the vehicle-mounted tarpaulin device capable of being rapidly installed, multiple combined use modes are provided for a user, the use mode facilitating unloading is provided, the movable detachable tarpaulin can be detached, and the half-shielding use mode is adopted, so that the requirements under different weather and environments are met, and the use flexibility and convenience of the tarpaulin device are improved.

This invention relates to the field of AGV control technology, and more particularly to an AGV safety control method based on ARM. This invention continuously collects the force values ​​at several load points on the load plane corresponding to different types of loads during AGV movement, and extracts specific behavioral features by combining historical movement characteristics, thereby constructing a set of historical specific behavioral features strongly correlated with the type of load. When a new control command is received, the relevant set of historical specific behavioral features is invoked to determine whether intervention is needed, and the control command is optimized, such as adjusting the moving speed or braking force, thereby improving the safety and operational reliability of the AGV under complex working conditions.