14results about How to "Security solution" patented technology

The invention discloses an emotional pressure relieving and monitoring method combined with a virtual reality technology, and the method comprises the following steps: S1, providing a virtual environment for a user through a virtual reality device, and enabling the user to interact with the environment through wearing a virtual reality head-mounted device and using a controller; s2, collecting physiological data of the user in real time through a biosensor, wherein the physiological data comprises heart rate, brain wave, electrodermal response and oxyhemoglobin saturation; s3, inputting the physiological data in the S2 into a long-short-term memory network model for processing, and predicting emotional changes; s4, adjusting the virtual reality environment in real time to adapt to the current emotional state of the user based on the emotional state analysis and prediction result of the long-short-term memory network model; and S5, repeating the steps S2 to S4 to monitor the emotion of the user. According to the method, solid technical support is provided for emotion pressure management and monitoring based on the virtual reality technology, and a traditional static emotion regulation method can be effectively replaced.

The invention relates to the technical field of vehicle-mounted electric connection, in particular to a secondary locking safety connector assembly, which comprises a main shell, a mounting cover plate, a first power connection element and a second power connection element, and is characterized in that the main shell is provided with a first insertion cavity, a second insertion cavity and an insertion partition plate, and the first insertion cavity and the second insertion cavity are oppositely arranged at two ends of the main shell; the inserting partition plate is arranged between the first inserting cavity and the second inserting cavity, a buckling table is arranged on one side of the main shell, a fixing clamping groove is formed in the buckling table, the mounting cover plate is arranged on the buckling table, and a fixing step is arranged on the mounting cover plate; the first power connection element is arranged in the first insertion cavity, the second power connection element is arranged in the second insertion cavity, the first power connection element is provided with a first power connection terminal, and one end of the first power connection terminal penetrates through the insertion partition plate to be connected with the second power connection element; through a unique design concept and an excellent technical effect, a safer, more reliable and more efficient solution is provided for the field of electrical connection.

The invention discloses a traffic dynamic shortest path distribution method and system based on a triangular fuzzy number weight, and relates to the technical field of intelligent traffic systems.Fuzzy information in a path evaluation attribute is represented through a triangular fuzzy number, a comprehensive weight is analyzed and calculated in combination with deviation maximization and a moisture value, and the decision reliability is effectively improved; a K-Means algorithm is adopted to perform dynamic path search, and through a representative vertex subset pre-calculation and increment updating strategy, the path retrieval efficiency is remarkably improved; a travel time prediction model related to departure time and real-time flow is established, and accurate response to accidental congestion is realized; and finally, outputting an optimal path scheme through a multi-objective decision-making method. Compared with a traditional algorithm, the speed is improved on a real road network data set, the path distribution accuracy is improved, meanwhile, the path safety, comfort and efficiency are effectively balanced, real-time path planning under a large-scale road network is supported, and an efficient solution is provided for intelligent traffic management.

The present invention discloses a method for preparing a postoperative wound intelligent healing patch based on nanomaterials, comprising the following steps: S1, preparing a temperature response layer, using PNIPAM and surface-modified zinc oxide nanoparticles for compounding; S2, preparing a pH response layer, compounding chitosan with surface-modified titanium dioxide nanoparticles; S3, preparing a humidity response layer, using PEGDA and silver nanoparticle composite materials to optimize the release of silver ions; S4, assembling each layer layer by layer through electrospinning technology or lamination technology, and combining meta-learning and transfer learning to control process parameters to complete the overall structure preparation of the patch; S5, embedding temperature, pH and humidity sensors to construct a sensor data set; S6, dynamically adjusting the drug release rate and material phase change behavior to achieve accurate response; S7, after the patch is prepared, combining Bayesian and multi-objective evolutionary algorithms to optimize sterilization parameters. The present invention combines nanomaterials with intelligent algorithms to prepare intelligent healing patches and achieve real-time environmental response.

The utility model discloses a hoister for automobile disassembly, which relates to the technical field of hoisters and comprises a hoister portal frame, lifting blocks are symmetrically arranged on two sides of the lower portion of the inner side of the hoister portal frame, two adjusting mechanisms are arranged on the inner sides of the lifting blocks, each adjusting mechanism comprises a rotary arm, and the rotary arms are connected with the lifting blocks. A telescopic arm is slidably connected to the position, close to one end, of the inner side of the rotary arm, a limiting block is fixedly connected to the upper position of one end of the telescopic arm, the inner side of the limiting block is in meshed connection with a tray, a movable plate is slidably connected to the position, close to the center, of the inner side of the telescopic arm, and a brake strip is fixedly connected to one side of the movable plate. The positions, close to the two ends, of one side of the telescopic arm are fixedly connected with shaft sleeves, the inner sides of the shaft sleeves are slidably connected with pull rods, through the adjusting structure, the effects of improving stability and safety and saving more labor are achieved, and the problems that in a traditional elevator, adjustment of a rotary arm is strenuous, and potential safety hazards of sliding of the telescopic arm exist are solved.

The present application belongs to the field of foot and ankle surgical implant devices and biomedical material surface engineering technology, and discloses a tibial component of ankle prosthesis with a composite coating, which comprises: a metal substrate which is a bionic trabecular three-dimensional interconnected porous titanium alloy structure, the porosity is 50-80%, the average pore size is 400-900 mu m, and the connected porosity is greater than or equal to 85%, so that the elastic modulus is controlled in the range of 5-20 GPa, and is matched with the cancellous bone of the tibia; a composite functional coating is in situ grown on the surface of the metal substrate, and the composite functional coating comprises a bioactive layer and a functional ion doped layer. The tibial component of the present application comprises a porous titanium alloy metal substrate and a composite functional coating constructed in situ on the surface thereof, the porous titanium alloy substrate is designed in a bionic trabecular structure to form a three-dimensional interconnected porous structure, so as to provide an elastic modulus matched with the cancellous bone of the tibia and promote the growth of bone tissue.

The invention discloses a tool for lossless disassembly of a power battery structural adhesive and a use method of the tool, and belongs to the technical field of new energy automobile battery maintenance devices. Comprising a portal frame and a base, sliding blocks are arranged at the bottoms of two ends of the portal frame; sliding grooves are formed in the two sides of the base. The sliding block is matched with the sliding groove. A plurality of through holes are uniformly formed in the portal frame; a pull rod pulling-up assembly, an air cylinder pulling-up assembly and a lead screw pulling-up assembly are arranged on the portal frame. The pull rod pull-up assembly pulls up a front cover and a rear cover of a battery sealing cover to generate a gap, the air cylinder pull-up assembly and the lead screw pull-up assembly are used for separating the front cover and the rear cover of the battery sealing cover, lossless disassembly is achieved when the power battery structural adhesive is disassembled, and important significance is achieved for recycling and recycling of a battery.

The utility model relates to the technical field of electrical equipment bases, in particular to an electrical automation equipment mounting base which comprises a body and supporting legs in threaded connection with the body, and further comprises a forward ratchet wheel seat and a reverse ratchet wheel seat which are both fixed on the supporting legs and rotate forwards and backwards respectively to drive the supporting legs to rotate forwards and backwards. The extension rod can be freely arranged on the forward ratchet wheel base and the reverse ratchet wheel base in a sleeving mode, the forward ratchet wheel base and the reverse ratchet wheel base are pulled to rotate through the extension rod, and according to the electrical automation equipment installation base, an operator can use the extension rod to achieve forward and reverse rotation of the supporting feet rapidly in a labor-saving mode, so that the height of equipment is accurately adjusted; the problems that a traditional thread adjusting mode is tedious in operation and low in efficiency, and potential safety hazards exist are solved. Besides, the driving seat of a polygonal structure is used in cooperation with the extension rod buckling groove, the adjusting precision and stability are ensured, and the design of the containing groove and the pull ring not only improves the space utilization rate, but also enhances the use convenience.

The present invention relates to the field of automatic control technology, and specifically to a smart Internet of Things water meter control method and system, including: obtaining the water consumption of the water meter at the current time node, inputting the water consumption of the current time node into an improved machine learning model, outputting the water consumption status of the current time node, and if the water consumption status is abnormal, controlling the water meter to send out an early warning signal and stop water supply; wherein the improved machine learning model includes iteratively training the machine learning model using a loss function, and calculating the loss function value of the current time node, and the historical loss function value is positively correlated with the abnormal degree of water consumption at the historical time node and negatively correlated with the surge coefficient of water consumption at the historical time node. The present invention solves the potential deficiencies of existing algorithms in detection efficiency and accuracy, which may lead to the problem that the overall performance and reliability of smart water meters are not high.

The utility model provides a fire extinguisher storage box with an automatic excitation function. The fire extinguisher storage box comprises a control part, a handle pressing device, a power part, a shifting rod and a box body. Wherein a nozzle hole is formed in one side of the box body, the fire extinguisher without the safety catch is placed in the box body, and a nozzle of the fire extinguisher is aligned with the nozzle hole; the handle pressing device is arranged on the box body above the fire extinguisher in an up-down sliding manner; the power part is arranged on the box body; one end of the driving lever is connected to a rotating shaft of the power part, and the other end of the driving lever presses the handle pressing device; the control part is arranged on the box body, the control part is electrically connected with the power part, and the control part monitors surrounding fire behavior and controls the power part to work. According to the fire extinguisher storage box with the automatic excitation function, the fire behavior is monitored in real time through the built-in control part, once the fire disaster is found, the fire extinguisher in the fire extinguisher storage box can be started immediately, rapid fire extinguishing is achieved, and initial spreading of the fire behavior is effectively restrained.

This utility model relates to the technical field of hopper equipment, specifically a hopper safety device with lifting and protective functions. It includes a hopper body, a movable baffle body on the top outer side of the hopper body, a large lifting ring on the top side of the hopper body, and a small lifting ring on the top side of the movable baffle body. The outer wall of the hopper body and the outer wall of the movable baffle body are connected by a lifting component. The lifting component includes a guide cylinder and a guide rod that slide against each other. The guide cylinder is connected to the outer wall of the hopper body, and the upper end of the guide rod is connected to the outer wall of the movable baffle body. The movable baffle body of this hopper safety device with lifting and protective functions consists of a U-shaped structure composed of three steel plates, which can shield the two sides and the back. When the hopper is loading and unloading materials, it can effectively prevent materials from accidentally falling and injuring nearby workers, significantly improving operational safety.

The invention provides an iodine volatile gas absorption device and method based on an ionic liquid curtain circulating system. The iodine volatile gas absorption device comprises a liquid curtain absorption system, an absorbent dynamic stirring and gas removing system, an inflow filter, an inflow pump, an outflow pump, an outflow filter, a water inlet pump support, a water outlet pump support, a filter support and a pipeline. According to the liquid curtain absorption system, the contact area of the absorbent and the iodine gas is increased through the liquid curtain guide plate, and the absorption efficiency is improved. The absorbent dynamic stirring and gas removing system is provided with a magnetic stirrer, air in the absorbent can be effectively removed, and efficient circulation of the absorbent is guaranteed. The system comprises an inflow filter, an inflow pump, an outflow pump and an outflow filter, so that the purity and continuous circulation of the absorbent are ensured. The device absorbs iodine volatile gas in a diffusion mode, and is suitable for iodine gas absorption treatment in a vacuum chamber and a closed space.

The utility model discloses a coupling protective cover for chemical centrifugal pump, including the cover body, the cover body is fixedly connected with motor end downside board and pump end downside board, motor end upside board is fixedly connected on motor end downside board, and the pump end upside board is fixedly connected on pump end downside board, and motor end downside board and pump end downside board are set up to each other, and the cover body is rotatably connected with the upper cover, and the cover body is fixedly connected with four supports, and the adjustable support foot is arranged on the support, and the first via hole is seted up on motor end downside board and motor end upside board, and the second via hole is seted up on pump end downside board and pump end upside board, and a plurality of heat dissipation holes are seted up on the cover body. The utility model has solved the structure of the existing coupling cover, and the problems of non-enclosed, exposed rotating part, insufficient rigidity, poor pressure capacity, difficult disassembly, inconvenient equipment maintenance and visual monitoring.

This invention provides a medical device supply chain recommendation method and system based on a large language model, belonging to the field of model-assisted technology. The method includes acquiring demand descriptions and converting them into structured vectors, constructing a domain knowledge graph to perform multi-hop reasoning to identify collaborative paths, generating adversarial disturbance analysis to reconstruct failure modes and the supply chain, establishing a risk propagation graph to identify trigger points and generate hierarchical prevention and control strategies. This method can effectively improve the accuracy of intelligent recommendations for the medical device supply chain, enhance the supply chain's robustness and risk response capabilities.