61results about How to "Maintain security" patented technology

The invention relates to the technical field of wire and cable manufacturing, in particular to a high-flexibility low-smoke fire-fighting power cable and a preparation method thereof. The cable sequentially comprises a cable core, a shielding layer and an outer sheath layer from inside to outside, the outer sheath layer is prepared from the following preparation raw materials: 60 to 65 parts of methyl vinyl silicone rubber, 12 to 15 parts of ethylene propylene diene monomer, 8 to 10 parts of linear low-density polyethylene, 5 to 6 parts of cross-linking agent, 20 to 22 parts of flame retardant, 6 to 8 parts of reinforced flame-retardant filler, 20 to 25 parts of modified heat-conducting filler, 1.2 to 1.5 parts of coupling agent, 1.3 to 1.5 parts of antioxidant, 3 to 3.5 parts of lubricant, 2 to 2.5 parts of vulcanizing agent and 0.6 to 0.8 part of accelerant. The outer sheath layer of the high-flexibility low-smoke fire-fighting power cable prepared by the invention has excellent mechanical strength, toughness, heat-conducting property, high temperature resistance and flame retardant property, so that the high-flexibility low-smoke fire-fighting power cable has higher reliability and safety in fire-fighting power supply occasions.

The invention belongs to the field of computer vision game anti-cheating, and discloses an FPS anti-cheating method based on deep learning and vision, and the method comprises the following steps: 1, game data preprocessing: zooming an input image to the input size of a network, and carrying out the normalization operation; 2, performing feature extraction on the input image: introducing a focus module into a backbone network part to cut the image, and splitting the high-resolution image into a plurality of low-resolution images or feature maps; 3, constructing a Neck module, wherein the Neck module is responsible for further optimizing and fusing the features on the basis of the features extracted by the backbone network; step 4, constructing a Head module; and 5, constructing a classifier module: analyzing the difference of the duration ratio, the frequency ratio and the open mirror killing ratio of effective aiming of the normal player and the plug-in player, and quantifying a data standard to judge whether the player is the plug-in player or not. According to the method, the plug-in players can be effectively detected.

The invention provides a data backup recovery method and device, electronic equipment and a storage medium, and the method comprises the steps: carrying out the real-time data monitoring of a database and a file system, and capturing a data modification event; if the modified data is a database table or a document file, acquiring an incremental updating part of the modified data relative to the previous backup moment, performing compression based on the incremental updating part to obtain an updating compressed file at the current backup moment, creating a version identifier of the updating compressed file and a mapping relation between the version identifier and the modified data, and then backing up the updating compressed file; if the file is a picture file, compressing the modified data to obtain an overall compressed file at the current backup moment, creating a version identifier of the overall compressed file and a mapping relation between the version identifier and the modified data, and then backing up the overall compressed file; based on the version identifier corresponding to the modified data selected by the user, the updated compressed file or the overall compressed file corresponding to the version identifier is obtained, data recovery is performed accordingly, and data security and integrity are maintained.

The invention discloses a lithium ion battery cabin oxygen concentration control system, and relates to the technical field of fire fighting. The oxygen concentration control system comprises an oxygen concentration sensor, a nitrogen making machine, a nitrogen station, an air compressor, a compressed air storage tank, a high-temperature-resistant and high-pressure-resistant seamless steel pipe, a one-way valve, a PLC (Programmable Logic Controller), a gas replacement indicator lamp, a lithium ion battery cabin and a battery cabin air inlet and exhaust flow control regulating valve. The controller is respectively connected with the oxygen concentration sensor, the nitrogen station, the compressed air storage tank, the lithium ion battery cabin air inlet and exhaust flow control regulating valve and the gas replacement indicator lamp. The nitrogen station is provided with a purging pressure measuring valve and a nitrogen cylinder head valve, and the high-temperature-resistant and high-pressure-resistant seamless steel pipe is connected with the nitrogen making machine, the nitrogen station, the lithium ion battery cabin, the air compressor and the compressed air storage tank. The lithium ion battery cabin is filled with high-purity nitrogen through the oxygen concentration control system, so that gas in the cabin is replaced, and controllable adjustment of an inerting environment in the cabin is realized. In addition, after the battery is subjected to thermal runaway, high-purity nitrogen is filled into the lithium ion battery cabin, thermal runaway flue gas in the cabin is quickly purged and replaced, and then an electric ball valve is linked to start air replacement, so that the air environment of the experiment cabin is kept.

The invention provides a quantitative blending device for pesticide preparation production, and relates to the technical field of pesticide blending, the quantitative blending device comprises a fixed outer cylinder, the bottom of the inner side of the fixed outer cylinder is provided with a driving motor, the output end of the driving motor is provided with a gear, and the inner side of the fixed outer cylinder is provided with two guide rails; a storage cover is mounted on the outer side of the fixed outer cylinder; a driving cylinder is mounted at the top of the outer side of the storage cover, the output end of the driving cylinder penetrates through the outer side of the storage cover, a servo motor is mounted on one side of the storage cover, and two driving wheels are mounted on the inner side of the storage cover; and a detachable barrel cover is mounted at the top of the fixed outer barrel in a closed manner. Toxic peculiar smell generated in the fixed outer barrel in the pesticide feeding and mixing process is effectively absorbed through the air suction ring, the poisoning risk caused by pesticide smell leakage to workers is avoided, and the problems that when the blending device is started in the subsequent stage, the gas injection risk is caused by internal high pressure, and toxic gas escapes are solved.

The invention belongs to the technical field of cloud storage, and particularly relates to a cloud storage protection system based on a big data network. Comprising a data acquisition and storage module, a segmentation and multiple dynamic encryption module, a distributed storage and dynamic allocation module, a data verification and progressive recovery module, a dynamic redundancy and load balancing module, a multi-layer intrusion detection and protection module and an expansibility optimization and adaptive scheduling module, and the data acquisition and storage module acquires and stores big data information; the data segmentation and multiple dynamic encryption module segments the data into a plurality of sub-data blocks and performs double-layer dynamic encryption; the distributed storage and dynamic distribution module dynamically distributes the encrypted data blocks; the data verification and progressive recovery module carries out local recovery on data damage or loss; the dynamic redundancy and load balancing module dynamically adjusts the redundancy of the data; the multi-layer intrusion detection and protection module monitors system safety in real time and responds to potential threats; and the expansibility optimization and self-adaptive scheduling module dynamically expands the storage nodes.

The invention belongs to the technical field of agricultural microorganisms, and particularly relates to an aspergillus niger composition and application thereof. According to the composition disclosed by the invention, the aspergillus niger and the fertilizer synergist are combined for application, a synergistic effect is achieved, and the aspergillus niger also has high-concentration lead tolerance and lead repairing capability. The composition disclosed by the invention not only has phosphorus dissolving and straw degrading functions, but also can effectively improve the soil fertility and reduce the effectiveness of heavy metal lead. The composition disclosed by the invention plays an important role in promoting reutilization of phosphorus-containing solid wastes, promoting decomposition of straws, reducing emission of industrial and agricultural wastes, reducing the bioavailability of lead, maintaining the safety of an ecological environment and the like.

The invention discloses an intelligent management method for an electric bicycle shed, and the method comprises the steps: enabling an intelligent sensing device to be connected into the electric bicycle shed, obtaining the data of an electric bicycle from the electric bicycle shed through the intelligent sensing device, dividing the data of the electric bicycle through the combination of an improved RBF neural network, and obtaining the divided data of the electric bicycle; an abnormal identification and control algorithm is obtained through continuous training and testing, so that electric bicycle battery faults are rapidly identified, fire hazards of an electric bicycle shed are reduced, 1s-15min high-frequency acquisition, high-frequency ammeter simulation and digital twinborn simulation of power consumption data of a user can be realized through a data acquisition device, the charging load of the electric bicycle is detected, and the charging load of the electric bicycle is detected. The fault of the single battery of the electric bicycle is diagnosed through an RBF neural network, and abnormal modes are further diagnosed and classified; and the alarm module is used for sending a real-time fault alarm and notification to a manager or a user so as to ensure that the manager or the user is timely notified to take corresponding measures.

The invention provides a passenger customs clearance checking method, system and device, and the method comprises the steps: arranging a face recognition device and a sensor in a customs clearance region, capturing the target facial features of a passenger in real time, and collecting the position information of the passenger; comparing the target facial features with identity information pre-stored in a background database; analyzing the position information to obtain a moving track and staying time of the passenger, and continuously evaluating whether an abnormal behavior exists or not; when the identity information comparison result and the abnormal behavior are judged to be qualified, a risk assessment program is not triggered, and the passenger is automatically guided to a customs clearance; and when any one of the identity information comparison result and the abnormal behavior is judged to be unqualified, triggering a risk assessment program. The system comprises a feature extraction module, a behavior evaluation module and a risk evaluation module. The device comprises a camera, a sensor, a background database, a controller, a power supply and a display device. According to the invention, a more intelligent, automatic and safe customs clearance system is established.

The utility model discloses a wallboard assembly structure and assembled house relates to the related technical field of decorating wallboard, a wallboard assembly structure, including wallboard, the periphery of wallboard is connected with support frame, and the side of support frame is fixedly connected with crosspiece, and the sliding connection of crosspiece has outer plate, and outer plate and support frame are fixedly connected through bolt, and bolt penetrates support frame and embeds outer plate, and the side of support frame away from crosspiece is connected with inner plate, and inner plate covers bolt, the utility model discloses through the " sliding - locking " installation of outer plate, need not repeatedly start nail, and staff can replace fast, and the repeated use rate of board is high, the bolt head is completely screened by inner plate, and the hidden danger of exposed sharp edge and corrosion is eliminated, and the appearance is neat, and the maintenance is safe, and the wallboard assembly structure three -dimensional buckle stacks, and the floor board modularization plug -in, and the whole house builds without welding, and two people can complete, and satisfy temporary building, mute office, and the high -frequency change dress scene of exhibition.

The invention provides a machine tool pedal structure which comprises a plurality of pedal assemblies, and each pedal assembly comprises a first supporting frame body, a second supporting frame body, a first material receiving part and a second material receiving part. The height of the first supporting frame body is adjustable; the second supporting frame body comprises a plurality of sub-frame bodies which are distributed in a step shape and are adjustable in height in the vertical direction; the first material receiving part is arranged on the first supporting frame body and is provided with a first supporting surface for supporting an operator; the plurality of second material receiving parts are correspondingly arranged on the plurality of sub-frame bodies, and each second material receiving part is provided with a second supporting surface for supporting an operator; the first supporting surface is higher than the second supporting surfaces in the vertical direction, and the heights of the second supporting surfaces are gradually reduced in the direction away from the first supporting surface; the first material receiving part and the second material receiving part are both used for receiving waste and cooling liquid generated by the machine tool. The problem that in the prior art, a pedal structure is difficult to adapt to machine tools of different sizes is solved.

The invention discloses a safety electricity terminal gateway for an intelligent power grid and a signal acquisition and transmission method thereof, and belongs to the technical field of power system automation. According to the technical scheme, a central processing unit is respectively connected with a communication interface, a sensor interface relay, a contactor, a card reader interface, a communication module and a power supply module; and the power supply module is respectively connected with the communication interface, the sensor interface, the relay, the contactor, the card reader interface and the communication module. The safety electricity terminal gateway equipment for the intelligent power grid and the signal acquisition and transmission method thereof have the beneficial effects that the obvious beneficial effects are shown, the accuracy and the processing capability of data acquisition are improved, the stability and the reliability of communication are also ensured, the safety of a system is improved, and the safety electricity terminal gateway equipment is suitable for popularization and application. The structural design and the connection relation of the equipment are optimized, and visual equipment state feedback and remote control functions are provided. The beneficial effects are beneficial for promoting the development and application of an intelligent power grid technology and improving the intelligent level and the operation efficiency of a power system.

The invention provides an underground engineering thermal infrared characteristic suppression method based on thermal insulation and temperature control. The underground engineering thermal infrared characteristic inhibition method comprises the following steps that S1, a flue gas emission model used for an underground engineering target area is constructed, the flue gas emission model comprises a flue, and a thermal insulation layer and a rock-soil layer are sequentially arranged outside the flue; s2, acquiring parameters of a heat insulation layer through conjugate heat transfer analogue simulation, and enabling the temperature difference between an outlet of the flue and a surrounding rock-soil layer to be not greater than 2K; and S3, a temperature control system is arranged on the outer side of the heat insulation layer, the temperature of the flue is adjusted through the temperature control system, and the temperature difference between an outlet of the flue and the surrounding rock-soil layer is controlled to be not larger than 2K. The underground engineering thermal infrared characteristic inhibition method can well meet specific thermal insulation and temperature control requirements under different environment conditions, the underground engineering thermal infrared characteristic inhibition capability is remarkably improved, intelligent temperature control and dynamic adjustment are achieved, and good economic benefits and social benefits are achieved.

The utility model relates to a kind of steam treatment device and electric water heater, belong to water heater field, steam treatment device includes: water storage tank body, water storage tank body is equipped with water storage cavity, water storage tank body is equipped with the water tank water replenishing port being communicated with water storage cavity;Steam treatment component, steam treatment component is set on water storage tank body, steam treatment component is equipped with condensing space, condensing space is communicated with water storage cavity, steam treatment component is equipped with the first output port being communicated with condensing space;Backflow structure, backflow structure is connected with steam treatment component and water storage tank body respectively, backflow structure is communicated with the first output port, backflow structure is communicated with the water tank water replenishing port.This application discloses steam treatment device can effectively liquefy the steam generated by water storage cavity by the condensing space of steam treatment component setting, liquid water after condensation is re-delivered to the water tank water replenishing port by the first output port of backflow structure, can avoid the waste of water resources caused by steam direct discharge, realize the recycling of water resources.

This utility model discloses a multi-dimensional composite fire detector, belonging to the field of fire detectors. It includes a front shell with a battery slot containing a battery, and a battery cover covering the battery. The multi-dimensional composite fire detector of this utility model, through its flame PCB and control board, allows for assembly by first installing a bracket onto a rear shell, causing magnets one and two to attract each other, and then installing the front shell into the rear shell to complete the installation. When the fire detector detects smoke reaching a predetermined threshold, an alarm sounds. The flame PCB enables timely detection of flame information, enhancing the safety performance of the fire detector. This fire detector effectively distinguishes between fire smoke and facilitates cleaning of dust covers, and enables multi-dimensional cross-verification in the early stages of a fire.

This invention relates to a low-energy pipeline inspection robot for detecting defects on the inner wall surface of pipelines, comprising a pre-screening section, an inspection section, and a battery section; these three are connected sequentially via universal joints. The pre-screening section includes a drive unit, a pre-screening device, and a pre-screening section cylinder. The drive unit includes a front drive cup and a rear drive cup mounted and fixed on the pre-screening section cylinder. The pre-screening device is mounted outside the pre-screening section cylinder between the front and rear drive cups and includes a detection wheel device, a transmission device, and a receiving device. When the detection wheel is in contact with the normal inner wall surface of the pipeline, the detection element is in a normally open state, and the microswitch of the receiving device is in a normally closed state. When the detection wheel contacts a depression or corroded area on the inner wall of the pipeline, the corresponding detection wheel moves radially outward, and through a corresponding lever-type transmission assembly, the microswitch of the receiving device is opened, and the detection element enters a closed state, thus realizing the detection of defects on the inner wall of the pipeline. This invention achieves the goal of reducing energy consumption by predicting and screening defects.

The utility model relates to the technical field of car lamp injection molding devices, and discloses a car lamp shell injection mold which comprises a bottom plate, a lower mold base is fixedly installed on the bottom plate, a car lamp shell lower injection mold body is arranged on the lower mold base, supporting shafts are fixedly connected to the two side walls of the front portion of the car lamp shell lower injection mold body, and the supporting shafts are fixedly connected to the two side walls of the front portion of the car lamp shell lower injection mold body. A supporting shaft is fixedly connected to the lower mold base, the supporting shaft is rotationally connected with the lower mold base, push rods are fixedly connected to the two side walls of the rear portion of the lower injection mold body of the automobile lamp shell, supporting columns are fixedly connected to the two side walls of the front portion of the lower mold base, first hydraulic rods are rotationally connected to the supporting columns, and the ends of piston rods of the first hydraulic rods are rotationally connected with the push rods. The lower injection mold body of the automobile lamp shell is designed to be capable of being turned forwards, so that when a person takes materials or cleans the lower injection mold body of the automobile lamp shell, the operation of the person is more convenient, meanwhile, the hand cannot stretch into the space between the two mold bodies, and the use is safer.

The invention relates to the technical field of network infringement monitoring, and discloses a network infringement monitoring method, system and device, a medium and a program product, and the method comprises the steps: obtaining original right confirmation data, storing the original right confirmation data to an original data node of a block chain, and generating a corresponding right confirmation certificate; crawling network data in the monitoring area, comparing the similarity between the network data and the right confirmation certificate, and determining infringement data in the network data according to a comparison result; and infringement evidence is fixed according to the infringement data, and the infringement data and the corresponding infringement evidence are uploaded to the security chain through the block chain. According to the network infringement monitoring method provided by the invention, the infringement data is determined by comparing the similarity between the network data and the right confirmation certificate in the block chain network, and evidence is obtained in time according to the infringement data and uploaded to the security chain, so that the capturing efficiency and accuracy of network infringement behaviors are improved, and the method is of great significance in protecting intellectual property and maintaining network security.

A vehicle refrigeration control method and apparatus, a device, a medium and a program product. A temperature and a change rate of the temperature of a battery in a target vehicle are monitored in real time; then a refrigeration requirement level of the battery is determined according to the temperature and the change rate; a refrigeration mode to be entered is determined according to a current refrigeration requirement level of the battery, when it is detected that a passenger compartment and the battery of the target vehicle both have refrigeration requirements at the same time; and control instructions of respective target control objects are determined according to the refrigeration mode, the refrigeration mode includes: a single-mode phase and a dual-mode phase, the single-mode phase is used for refrigerating the passenger compartment or the battery alone, the dual-mode phase is used for simultaneously refrigerating the passenger compartment and the battery, and the single-mode phase is set to be prior to the dual-mode phase. The technical problem of how to allocate and control the refrigeration capacity of a new energy vehicle is solved, thus achieving the technical effect of flexibly allocating the total refrigeration performance of the vehicle under the premise of ensuring the comfort of the passenger compartment first, to guarantee the refrigeration of the battery effectively.

The invention relates to the technical field of tunnel monitoring, in particular to a tunnel monitoring system and method based on the Lora technology. Comprising an acquisition module, a Lora gateway module and a monitoring platform, the acquisition module is used for acquiring displacement data and pressure data of a tunnel, and the Lora gateway module is used for transmitting the displacement data and the pressure data of the acquisition module to the monitoring platform; the displacement change and the pressure change of the tunnel are monitored through the static leveling instrument, the displacement meter, the soil pressure box and the water pressure gauge, and when tunnel settlement or displacement occurs, a prompt can be given out in time to maintain the safety of the tunnel; according to the monitoring method, the displacement data and the pressure data are firstly compressed and then transmitted to the monitoring platform, so that the data transmission efficiency can be improved, and the integrity of the data is ensured.

The utility model discloses an explosion-proof housing for fixedly installing a pump suction type phenol gas detector, which comprises an installing seat, the installing seat is provided with an explosion-proof housing, the explosion-proof housing is internally provided with a pump suction type detector, the explosion-proof housing is provided with a plurality of chambers, the chambers are internally provided with air bags, the air bags are internally provided with carbon dioxide solution, and the carbon dioxide solution is filled with a carbon dioxide solution. A movable plate is arranged on the side, facing the pumping type detector, of the air bag, the movable plate is connected to the inner wall of the anti-explosion shell through a movable assembly, and a blasting assembly is arranged on the side, facing the air bag, of the movable plate. When the pump suction type phenol gas detector breaks down and internal phenol gas is burnt, the detector and the phenol gas which are burnt can be extinguished in time, so that the possibility that the detector further explodes can be avoided, a series of reactions are isolated in the explosion-proof shell, and the service life of the explosion-proof shell is prolonged. The surrounding working environment and working personnel can be protected, and the safety and the explosion-proof effect are greatly improved.

The utility model relates to the technical field of wire harness production, and discloses a wire rod pre-placing device for wire harness production equipment, which comprises a supporting plate, the lower surface of the supporting plate is fixedly connected with a fixing block, the outer wall of the fixing block is fixedly connected with a first wire guide plate, and the outer wall of the fixing block is fixedly connected with a limiting plate. A sliding rail is fixedly connected to the inner wall of the limiting plate, a connecting block is slidably connected to the outer wall of the sliding rail, a threading roller is rotatably connected to the outer wall of the connecting block, a fixing rod is fixedly connected to the lower surface of the connecting block, and a first tension spring is fixedly connected to the outer wall of the fixing rod. According to the utility model, when the transmission of the wire is interrupted, the first tension spring leans inwards through the connecting blocks at the two ends until the wire penetrating rollers at the two ends are driven to be in contact with each other, and then the first sensor detects that no wire is transmitted between the wire penetrating rollers, so that a worker is reminded and the stable supply of the wire is helped to be ensured; therefore, the effects of avoiding waste and loss and improving the production efficiency can be achieved.

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.

This invention belongs to the field of microbial control technology, specifically relating to a biocontrol bacterium for soybean root rot, a microbial agent, its preparation method, and its application, which can improve soybean yield and oil content. The biocontrol bacterium is *Alcaligenes faecalis* (Factophytes). Alcaligenes faecalis A new strain, named GY16, was deposited at the China Center for Type Culture Collection (CCTCC) on November 12, 2025, with accession number CCTCC M 20252536. This alkali-producing bacterium, GY16, exhibits a specific affinity for soybean, enabling it to colonize soybean roots and effectively control soybean root rot. GY16 also promotes soybean plant growth, increases soybean yield, and improves seed oil content. Inoculants prepared using GY16 can replace pesticides, offering a green, environmentally friendly, and pollution-free alternative that positively contributes to building a sustainable farmland ecosystem.

The application discloses a pipe force valve with an anti-seismic protection structure, which comprises a valve body, a valve plate body, a valve rod body, a top rod shaft sleeve and a diaphragm body, the valve rod body is connected through the inside of the valve body, one side of the valve rod body is fixedly connected with the valve plate body, the upper end of the valve body is fixedly connected with the top rod shaft sleeve, and the inside of the top rod shaft sleeve is fixedly connected with the diaphragm body. The pipe force valve with the anti-seismic protection structure, when the pipe force valve body is impacted by the outside, the shell is extruded to one side of the valve body, the telescopic rod starts to contract, and the extrusion buffer air bag is extruded, at this time, the buffer air bag is buffered, when the shell moves inward, the buffer spring is compressed synchronously under the action force, and the impact force is secondarily buffered, so that the pipe force valve is less likely to be damaged under the external impact force, and the possibility of affecting the normal work of the valve is reduced.

The utility model discloses a kind of mute door groups in the technical field of acoustics engineering, including door frame, the door frame inside is connected with door panel by hinged installation, first lock tongue accommodating slot is opened in the right edge of the door panel inside, the position of the door frame corresponding to door panel first lock tongue accommodating slot is equipped with second lock tongue accommodating slot in its and the inside surface of door panel bonding;The door panel inside is equipped with a transmission groove with specific bending line, by setting transmission groove, transmission ball and other structures between door frame and door panel and reasonable layout, reach accurate stable locking purpose.Compared with traditional mechanical lock, avoid rebound sound, do not destroy quiet atmosphere, compared with magnetic attraction lock, not affected by environmental humidity and frequent opening and closing, not demagnetization, guarantee door lock suction force and security performance.When door panel is closed, trigger slider drives lock tongue to insert into slot through transmission ball, reset spring helps reset, make locking reliable, convenient operation, improve door group safety, durability and practicality.

This utility model discloses a multi-functional traveling crane system for the inspection and maintenance of the FAST ring beam, comprising: a support frame; an elastic wheel set located at the bottom of the support frame to adapt to the uneven surface of the ring beam track; a differential wheel set, including an inner diameter drive wheel and an outer diameter drive wheel, respectively matching the inner diameter track and the outer diameter track of the ring beam to achieve differential travel between the inner and outer diameters; guide wheel assemblies symmetrically arranged on both sides of the base frame to constrain the trolley to move radially along the track and prevent the traveling wheels from detaching from the ring beam track; an anti-rollover assembly, including a robotic arm and roller assembly, to prevent the trolley from tipping over; a pneumatic drive system, including a diesel air compressor, a low-speed pneumatic motor, and a transmission mechanism, to drive the differential wheel set; and two parallel traveling lifting platform tracks are provided above the support frame, on which a traveling lifting platform capable of lateral movement is installed. This utility model, through pneumatic drive, differential wheel set, and lifting platform design, achieves safe, efficient, and comprehensive inspection and maintenance operations for the ring beam.

This invention relates to a market-based optimal scheduling method for virtual power plants (VPPs) based on multiple uncertainty representations. It employs a scenario-based method using Monte Carlo and Manhattan probability distances to model wind and solar power output and electricity prices, while simultaneously utilizing an interval method to model carbon prices and demand response. With the goal of minimizing VPP operating costs, it comprehensively considers electricity market trading, carbon trading, and incentive-based demand response mechanisms, establishing an optimal scheduling model for VPPs based on interval linear programming. The model is solved using a two-stage decomposition algorithm within strong interval linear programming. This invention effectively reflects the impact of multiple uncertainties on system scheduling results through the changing trends of indicators, improving economic efficiency while ensuring the safe operation of the VPP system. The interval form representation provides decision-makers with a certain degree of realistic choice space, offering guidance for the optimal scheduling of future VPP systems.

The utility model relates to the technical field of smoke exhaust air pipes, in particular to an integrated assembly type smoke exhaust air pipe which comprises a main fire-fighting air exhaust smoke pipe and auxiliary fire-fighting air exhaust smoke pipes, the two ends of the main fire-fighting air exhaust smoke pipe are both connected with the auxiliary fire-fighting air exhaust smoke pipes in a sliding mode, and an air blocking box is fixed to the top end of the main fire-fighting air exhaust smoke pipe. Sealing frames are fixed to the two ends of the main fire-fighting exhaust smoke pipe correspondingly, the inner sides of the sealing frames are slidably connected with the auxiliary fire-fighting exhaust smoke pipe, resistance fans are assembled on the two sides of one end of the inner side of the main fire-fighting exhaust smoke pipe correspondingly, and dismounting mechanisms are arranged between the two sides of the main fire-fighting exhaust smoke pipe and the main fire-fighting exhaust smoke pipe. According to the integrally-assembled smoke exhaust air pipe, the two main fire-fighting air exhaust smoke pipes and the two auxiliary fire-fighting air exhaust smoke pipes are pressed and fixed through the disassembling mechanism, and therefore the assembling efficiency and the quality effect between the main fire-fighting air exhaust smoke pipes and the auxiliary fire-fighting air exhaust smoke pipes can be conveniently improved.

The invention discloses a chemical industry park-oriented multi-heterogeneous robot inspection task allocation and path optimization intelligent method, and belongs to the field of multi-heterogeneous robot chemical inspection. Comprising the following steps: step 1, extracting environment information such as the position of a to-be-inspected point and the requirement of the position of the to-be-inspected point on the passing ability of a robot in a chemical industry park, so as to subsequently process data; 2, establishing a mapping relation between a coding mode and a solution space by setting a two-layer coding mode; step 3, taking the minimum total path cost of the robot for completing the distributed tasks as an optimization target, and using an improved mixed artemisinin optimization algorithm to optimize the distribution of the inspection tasks and the inspection route of the robot; and 4, information such as distribution of robot inspection tasks and path optimization results is visualized. According to the method, effective technical support is provided for reasonable distribution of the inspection tasks and planning of the optimal inspection route for the multi-heterogeneous robots in the chemical industry park, the multi-robot inspection efficiency is improved, the safety of the chemical industry park is maintained, and the robot inspection cost is reduced.