13results about How to "Avoid hidden dangers" patented technology

This invention discloses a crane safety operation control system and method based on machine vision and energy optimization management, belonging to the field of crane safety operation technology. Based on visual acquisition, this invention performs pre-operation benchmark calibration and dynamic data capture during operation, achieving full-cycle data traceability and synchronization based on timestamps. This clarifies the safety boundaries of the operation area and the initial state of the equipment, avoiding deviations and lags caused by data asynchrony, and ensuring the overall process is consistent and reliable. Visual data preprocessing eliminates external interference, and precise feature data is output using a safety benchmark model. Coupled with a tiered early warning mechanism, it accurately predicts operational anomalies and the risk of live intrusion and responds accordingly, achieving layered control of safety risks. By aligning visual data and operating parameters with timestamps to generate a fused dataset, and outputting safety levels and corresponding control signals through quantitative scoring, the objectivity and relevance of the assessment are improved, ensuring precise matching between control actions and safety states.

The present application relates to the technical field of electrical system design, and particularly relates to a spacecraft electrical system interconnection component path planning optimization method and system. The method comprises the following steps: obtaining interconnection component data; constructing adjacency relationship according to the interconnection component data to obtain component adjacency data; selecting a beam splitting point according to the component adjacency data to obtain beam splitting point data; estimating point port cost of the beam splitting point data to obtain point port cost data; generating a control linkage graph according to the component adjacency data to obtain control linkage graph data; generating an interpretation field according to the control linkage graph data to obtain interpretation field data; determining the splitting benefit of the point port cost data and the interpretation field data to obtain splitting benefit data; and evaluating the hard constraint of the splitting benefit data to obtain beam splitting point feasibility evaluation data. The present application realizes the constraint of the beam splitting point position and the control semantics, effectively avoids the cross-stage control reversal and redundancy failure problems.

This invention relates to the field of hydrological and water resources monitoring technology, and discloses an intelligent monitoring device and method for hydrological and water resources assessment, comprising: a floating base, a sensor assembly, a lifting assembly, and a control terminal; the sensor assembly includes a water quality monitoring unit and a protective cover fitted over the outside of the water quality monitoring unit; the lifting assembly is disposed at the bottom of the floating base and includes a linear guide rail fixedly installed at the bottom of the floating base, a lifting slide mounted slidably on the linear guide rail, and a traction drive component for driving the lifting slide to move linearly up and down along the linear guide rail. The monitoring device of this invention intelligently identifies and locks onto the optimal water layer, reducing the adhesion and contamination of the sensor assembly by silt and algae in the water through proactive pollution avoidance. Furthermore, it eliminates the need for additional active cleaning components; it can be achieved simply by configuring corresponding control logic on the existing lifting mechanism, without increasing the complexity of the equipment structure or raising maintenance costs.

The application provides a kind of based on fuzzy preview and long press unlocking after reading multimedia content processing method, belongs to instant messaging and data security field technical field;In the sending end, the target content is uniformly identified, and is transmitted to the receiving end through an end-to-end encryption channel.The receiving end enters the safe preview mode after analyzing the message, and the content is blurred or covered;The user needs to long press in the specified transition time to gradually remove the protection, and can enter the clear state.In the clear state, the system starts the destruction timer, supports timed and immediate destruction;At the same time, it contains local peek mode and panoramic safety mode, and suppresses shooting and transmission.In the receiving end, the return receipt with digital signature is returned after the destruction is completed.The application can maintain good user experience while significantly improving the security and reliability of the after-reading-burning function for pictures, text and videos, and has wide application prospect.

An outer spring pump core relates to the technical field of pump cores and is used for solving the problems of material body pollution and accidental leakage caused by built-in spring. The pump core sleeves the spring outside the upper pressing rod to isolate the spring from the contact channel of the material body. The pump core comprises the upper pressing rod, the outer spring, the connector, the piston rod, the connecting rod, the body and the valve piece. The outer spring is installed between the upper pressing rod and the connector, and the connector is fixed to the body. The side wall of the connecting rod is provided with two channels, and the axis of the channels and the axis of the connecting rod form an included angle of 15°. The limiting assembly is composed of a limiting vertical rod and a limiting hole. The rotation of the limiting vertical rod can lock the position of the upper pressing rod to prevent accidental pressing. The pump core is suitable for cosmetic and food bottles, reduces the pollution risk, avoids leakage and prolongs the service life.

The utility model discloses a kind of hot box replacement support devices on elasticizer, it is related to chemical fibre machinery technical field, its technical key points include stand, footing, crossbeam and electric hoist, the stand and footing are two, two the stand is spaced distribution, two the footing is fixedly connected in stand lower end respectively, the crossbeam is fixedly installed in stand upper end, the electric hoist is installed in crossbeam, and the both ends of the crossbeam are fixedly installed with inclined strut between two stands respectively. Technical effect is by setting support, can replace forklift to work, solve the hidden danger of forklift operation, reduce the time and labor of removing walkway board, original silk frame, herringbone beam support, end pipeline, staircase, guardrail etc. when replacing hot box, optimize operation process, reduce the time and labor, improve production efficiency.

This utility model discloses a respiratory spray device, relating to the field of respiratory medicine technology. It includes a nebulizer body with a limiting cap snapped onto its top. A limiting device is threaded onto one side of the limiting cap, and a mist outlet is fixedly connected to the side of the nebulizer body. Through the design of a filter and filtration components, this utility model achieves purification and safety during operation. The filtration components accurately intercept impurities mixed with the medication from the outside, such as airborne dust, fibers, and tiny foreign objects that may be introduced when the medicine bottle is opened, ensuring extremely high purity of the medication injected into the nebulizer body and preventing impurities from interfering with the nebulization effect. The organic cotton filter inside the filter deeply filters any remaining un-nebulized droplets and fine impurity particles in the mist after nebulization, effectively removing components that may irritate the respiratory mucosa and significantly reducing patient discomfort when inhaling the mist.

This utility model provides an outdoor rainproof cap structure for a power distribution cabinet, belonging to the field of distribution cabinet safety. It includes a distribution cabinet body, with a rainproof cap assembly installed on the top of the body for rain protection. The rainproof cap assembly is equipped with components to prevent water, snow accumulation, and vibration. This utility model, through the design of the rainproof cap assembly, hollow heat dissipation strips, heat dissipation holes, and drip edges, effectively prevents water and snow accumulation on the triangular top cover during use. Two mounting plates facilitate the installation of the top cover. The hollow heat dissipation strips dissipate heat from the inside of the distribution cabinet body. The staggered heat dissipation holes prevent insects and other small animals from entering the cabinet, avoiding potential hazards. The drip edge design guides rainwater to drip quickly without spreading along the cabinet surface.

The invention provides a direct current submerged arc furnace electrode intelligent voltage release fuzzy control method and system, and relates to the technical field of fuzzy control, and the method comprises the following steps: collecting the temperature value of a electrode roasting core area and the temperature of a hearth; calculating an electrode roasting comprehensive temperature value according to the contribution degree weight of electrode roasting; obtaining a temperature deviation and a temperature deviation change rate according to the electrode roasting comprehensive temperature value and a set temperature; fuzzifying the temperature deviation and the temperature deviation change rate to obtain the fuzzy quantity of the temperature deviation and the fuzzy quantity of the temperature deviation change rate; performing fuzzy reasoning on the fuzzy quantity of the temperature deviation and the fuzzy quantity of the temperature deviation change rate to obtain a fuzzy output quantity; counting the accumulated number of times of timing according to minutes after the electrode pressure is released; and when the accumulation frequency is greater than or equal to the fuzzy output quantity, completing one-time voltage release action on the electrode. The system and the method are simple and compact in structure and stable and reliable in detection, and can effectively avoid fault hidden dangers caused by complex structures.

This invention relates to the field of power equipment technology and discloses a non-contact live-line diagnostic method and system for zinc oxide surge arresters. A wireless test clamp with remote-controlled opening and closing function is deployed on the three-phase grounding lead of the surge arrester via an insulating rod, and a reference voltage acquisition module is deployed simultaneously. Dual wireless radio frequency modules are used to transmit sampling data in parallel, achieving synchronous acquisition and transmission of current and voltage signals. After receiving the data, the host computer performs filtering and FFT frequency domain analysis to extract the fundamental component and calculate characteristic parameters such as total current, resistive current, capacitive current, phase difference, and power loss. The state of each phase of the surge arrester is determined by preset thresholds, and a comprehensive diagnostic conclusion is output.

One or more embodiments of the present specification provide a hardware control method, an electronic device, a storage medium and a program product, the method comprising: obtaining a switch control request initiated by target software for a first hardware, the first hardware and a second hardware having an overlapping conflict frequency interval in a working frequency range; in the case that the switch control request is used to indicate turning on the first hardware, turning on the first hardware and turning off the second hardware.

This utility model provides a fire extinguishing bomb for drones, including a shell. The outer walls at both ends of the shell have a first hook and a second hook for connecting to a drone release mechanism, solving the problem of easy swaying and reduced deployment accuracy caused by single-hook attachment. Symmetrically arranged on the radial outer walls of the shell are a first and a second hand catch, each with a through-hole and vertically positioned groove for insertion into a drone's positioning plate, further limiting sway. The first and second hooks have mounting holes extending axially along the shell. A control device mounting platform is located at one end of the shell, and multiple tail fins are spaced circumferentially on the sidewalls to facilitate stable flight after deployment. The control device mounting platform has a safety pin insertion / removal hole containing a safety pin assembly consisting of the first and second safety pins and a lanyard. The lanyard secures the drone, avoiding issues with manual securing and ensuring reliable triggering of the safety pin, thus improving the efficiency and success rate of fire extinguishing operations.

This invention discloses an automatic loading and unloading device for raw materials used in jelly production, belonging to the field of jelly production technology. The device includes a stirring device, with a feeding pipe connected to one side of its upper end. A cleaning component is connected to the upper end of the feeding pipe, and a loading component is connected to the end of the cleaning component furthest from the stirring device. Several support bases are connected to the lower outer surface of the stirring device, and a discharge valve is connected to the lower end of the stirring device. Through an integrated transmission chain of an L-shaped rack, a first gear, and a bevel gear, the lifting and lowering motion of the loading component is precisely linked to the rotation and lifting motion of the cleaning component. This allows the loading component to simultaneously clean the inner wall of the first feeding pipe during its ascent and to perform a secondary cleaning during its descent, thus seamlessly connecting the loading / unloading and cleaning processes, thereby improving the continuity of jelly production and overall operational efficiency.