Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

265results about How to "Maintain security" patented technology

Flying saucer shooting athlete training data isolation method based on multi-tenant architecture

The invention relates to the field of data isolation, and provides a flying saucer shooting athlete training data isolation method based on a multi-tenant architecture. The method aims at solving the problem that a traditional data isolation technology effectively isolates tenant data in a multi-tenant environment. According to the main scheme, the method comprises the steps of designing a database architecture, determining a fragmentation key and designing a fragmentation strategy. The dependency of ShardingSphere is introduced, a data source is configured, and a fragmentation rule is configured according to a fragmentation strategy; the method comprises the following steps: initializing fragmentation databases and tables, creating a plurality of databases according to a fragmentation rule, creating the same table structure in each database, and creating a corresponding fragmentation table in each database according to the fragmentation rule; by monitoring data in a database table created after fragmentation, a dynamic fragmentation adjustment strategy is adopted to reduce the occurrence of a data skew condition, and a dynamic scaling strategy is adopted to adjust system resource distribution; according to the tenant ID, fragment key values are calculated, which database table the data is routed to is determined, access control is achieved, and only authorized tenants can access the data to which the tenants belong.
Owner:ZHONGKE ZHIHE DIGITAL TECH (BEIJING) CO LTD

High-flexibility low-smoke fire-fighting power cable and preparation method thereof

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.
Owner:SHENZHEN LILUTONG TECH IND

Document data processing method under large model scene

The invention discloses an official document data processing method in a large model scene, and relates to the technical field of natural language processing, and the method comprises the steps: automatically collecting official document data from a multi-source channel, and carrying out format conversion and preprocessing optimization to obtain a data set; performing intelligent sampling on the data set by adopting a dynamic sampling algorithm, performing intelligent review on the sampled data, and making a cleaning strategy template library according to a review result; calling a cleaning strategy template library through a strategy configuration and execution engine to perform data cleaning, and executing data deduplication and similarity management; evaluating and reviewing the cleaned data; executing a set cleaning strategy and de-duplication on a data set in a large scale by utilizing a distributed computing framework; scientifically dividing the data set subjected to cleaning and duplicate removal, and converting the data set into an efficient storage format; the whole cleaning process is monitored in real time, and key steps and performance indexes in the data cleaning process are comprehensively recorded. The document data processing efficiency and response speed can be improved, and the labor cost is reduced.
Owner:SHANDONG LANGCHAO YUNTOU INFORMATION TECH CO LTD

Online examination cheating behavior detection method and system

The invention provides an online examination cheating behavior detection method and system, and relates to the technical field of examination behavior detection, and the specific steps are as follows: collecting answer texts of examinees in real time, analyzing the answer texts of the examinees by using an NLP technology, and calculating the plagiarism probability of the answer texts by comparing the texts with data in a database; monitoring the network activity of the examinee, analyzing the network behavior mode of the examinee, and calculating the abnormal behavior mode index of the examinee; physiological data of examinees are collected, and psychological stress indexes of the examinees are calculated; calculating a comprehensive evaluation index by using weighted average, comparing the comprehensive evaluation index with an examination cheating threshold value, and judging that the behavior is cheating if the comprehensive evaluation index exceeds the threshold value; according to the invention, the behaviors of examinees are monitored in all directions, and a three-dimensional cheating detection system is provided; the artificial intelligence technology is applied, answer texts, network activities and psychological stress indexes are automatically analyzed, dependence on manual invigilation is reduced, and the monitoring efficiency and accuracy are improved; and cheating behaviors can be found in time.
Owner:JINGCHU UNIV OF TECH

Cordyceps militaris probiotic beverage capable of regulating balance of intestinal flora

PendingCN119097058AMaintain and restore balancepromote growthFood scienceBiotechnologyIntestinal microorganisms
The invention relates to the technical field of functional health care products, and discloses a cordyceps militaris probiotic beverage for regulating intestinal flora balance, the probiotic beverage is composed of the following materials by weight: cordyceps militaris extract; a probiotic strain; inulin; fructo-oligosaccharide; a stevia rebaudiana extract; honey; vitamin and mineral supplements; and the balance of distilled water. Studies prove that bifidobacterium, lactic acid bacteria and lactobacillus acidophilus have positive benefits in the aspect of regulating intestinal flora, growth of beneficial bacteria can be promoted, harmful bacteria can be inhibited, and honey, vitamins and mineral supplements are beneficial to improving the overall taste and improving the immunity of the human body. More nutrition support can be provided for intestinal microflora, the balance of the intestinal flora can be maintained and repaired, and the beneficial effect of screening strains aiming at specific health benefits and specially adjusting the balance of the intestinal flora is achieved.
Owner:HAITONG BIOLOGICAL (GUANGDONG) CO LTD

Generalized deep forgery detection method based on multi-classification guidance

The invention discloses a generalizable deep forgery detection method based on multi-classification guidance, and belongs to the technical field of image processing. According to the technical scheme, data enhancement is carried out on an image, and then the image is input into a binary classification network and a multi-classification network of a double-flow neural network; combining the features of the two branches through a fusion module; the fused features are input into a binary classifier to determine whether the input is authentic or counterfeited. The method has the beneficial effects that the generalizable deep counterfeiting detection method based on multi-classification guidance shows remarkable beneficial effects in the aspects of improving the model generalization ability, enhancing the feature expression ability, optimizing the loss function design, preventing over-fitting, improving the calculation efficiency, enhancing the label consistency and the like; the method is beneficial to suppressing the propagation of false information, maintaining the right to know and security of the public, enhancing the vigilance of people to the authenticity of information, laying a solid foundation for the applications of identity authentication, digital forensics and the like in multiple fields, and making an important contribution to the construction of a safer and more credible information society.
Owner:DALIAN UNIV OF TECH

Dynamic webpage structure reconstruction anti-crawler method and system based on AI

The invention provides an AI-based dynamic webpage structure reconstruction anti-crawler method and system, which are used for solving the problem that the existing anti-crawler technology is easy to crack. The method is characterized in that a pre-trained large language model is utilized to generate confused HTML elements in real time during each page request, and a DOM structure is dynamically reconstructed. The method specifically comprises the steps of receiving a webpage access request; generating confusion elements by using an AI model; a DOM structure is reconstructed; dynamically generating an element identifier; inserting interference elements; generating a dynamic CSS style; and returning the reconstructed webpage. According to the method, the page structure is reconstructed for each request, so that the anti-crawler effect is greatly improved, meanwhile, the consistency of user experience is kept, and a more effective solution is provided for website content protection.
Owner:刘宇

FPS anti-cheating method based on deep learning and vision

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.
Owner:ZHEJIANG SHUREN UNIV

Virtual machine access control data acquisition method and terminal

The invention discloses a virtual machine access control data acquisition method and a terminal, and the method comprises the steps: building a virtual machine cluster, and enabling virtual machines in the virtual machine cluster to store corresponding configuration information through employing a binary tree in advance; acquiring bridging end information by using a tuner, and transmitting the bridging end information to an external network controller, so that the external network controller transmits the bridging end information to a local area controller; the local area controller is used for matching the received bridging end information with the configuration information in the corresponding virtual machine cluster, if matching succeeds, the configuration information is returned to the external network controller, and the external network controller opens and uses the corresponding virtual machine according to the received configuration information and snapshots the use operation. According to the method, the virtual machine with the configuration information consistent with the bridging end information is provided, the virtual attack environment is provided, the requirements of the attacker are met, the operation of the attacker is snapshotted, the data of the attacker is captured, and the system security is protected.
Owner:FUJIAN TQ ONLINE INTERACTIVE INC

Vulnerability reachability analysis and detection system based on calling link JavaScript component

The invention relates to the field of information security, in particular to a vulnerability reachability analysis and detection system based on a calling link JavaScr ipt component, and the system comprises an acquisition module which is used for acquiring a plurality of risk files from a project source code; the construction module is used for constructing an AST syntax tree according to a calling function of a code line in any risk file; the link generation module accesses the AST syntax tree through a traversal technology, obtains a function expression, obtains function calling information based on the function expression so as to construct a basic function calling link, and sequentially identifies and expands the basic function calling link into a multi-level function calling link according to the hierarchical structure of the basic function calling link; and the vulnerability detection module is used for querying by utilizing the vulnerability link rule and the multi-level function calling link, determining that the vulnerability is reachable if a vulnerability calling link fragment is queried, collecting the vulnerability and generating a vulnerability report. And the accuracy of vulnerability detection is improved.
Owner:BILING (ZHUHAI HENGQIN) TECHNOLOGY CO LTD

Social network abnormal information propagation tracking system based on potential propagation set

The invention discloses a social network abnormal information propagation tracking system based on a potential propagation set, and relates to the technical field of social network security. In order to solve the problems in the prior art that subjectivity and errors possibly exist, extraction and adjustment of propagation parameters are affected, so that prediction accuracy is affected, the propagation condition of network hotspot messages needs to be predicted through manual intervention, and the capability of the network hotspot messages in the aspects of automatic prediction and monitoring is limited. The social network abnormal information propagation tracking system based on the potential propagation set comprises a data acquisition unit, a potential propagation set generation unit, a propagation path tracking unit and an early warning unit, by analyzing the interaction relationship and the information propagation rule of the nodes in the social network, the potential propagation set is identified, and the propagation path of the information is predicted and tracked by using the potential propagation set, so that the propagation of the abnormal information is discovered and dealt with in time, enterprises and organizations are helped to discover and process the abnormal information in time, and the health and safety of the network space are maintained.
Owner:HARBIN INST OF TECH +1

Data backup recovery method and device, electronic equipment and storage medium

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.
Owner:CAPITAL INFORMATION TECH DEV CO LTD

Lithium ion battery cabin oxygen concentration control system

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.
Owner:JIUJIANG FIRE EQUIP CO LTD

Flexible resource regulation and control method and device considering differentiation characteristics of multiple balance regions

The invention relates to the technical field of power distribution network flexibility resource management and scheduling optimization, in particular to a flexibility resource regulation and control method and device considering differentiation characteristics of a multivariate balance region, and the method comprises the steps: obtaining long-term and short-term parameter data of a power distribution network system and flexibility resources, respectively inputting into a pre-established flexibility resource mathematical model and a different-type balance area mathematical model so as to calculate long and short term characteristic evaluation indexes; formulating an installed capacity plan according to the long-term characteristic evaluation indexes; and eliminating a balance area operation mode which cannot be operated according to a special item of the short-term evaluation index, planning and formulating an optimal scheduling scheme based on the installed capacity, judging whether the scheme meets a safe operation requirement or not, if so, outputting the optimal scheduling scheme as a final scheduling scheme, and otherwise, performing readjustment. Therefore, the problems that the economic benefit does not reach the standard, the operation safety cannot be guaranteed, the new energy consumption is reduced and the like due to the fact that only a single balance area operation mode is considered in a traditional resource scheduling method are solved.
Owner:HARBIN INST OF TECH +2

Sanitation equipment and waterway system thereof

The utility model discloses a waterway system of environmental sanitation equipment and the environmental sanitation equipment with the waterway system, the waterway system comprises a water tank, a water pump assembly, an automatic unloading valve, a pressure detection piece and a control assembly, the water pump assembly is connected with the water tank; the automatic unloading valve is connected with the water pump assembly; the pressure detection piece is configured to detect the working pressure of the waterway system; the control assembly is in signal transmission with the pressure detection piece and the water pump assembly and is configured to adjust the rotating speed of the water pump assembly according to the water pressure obtained by the pressure detection piece. According to the waterway system, the automatic unloading valve can keep stable operation and safety of the waterway system, the pressure detection piece can detect the water pressure of the system in real time and generate an electric signal, the control assembly controls the water pump assembly to be kept at a reasonable rotating speed according to the pressure of the system, and work energy consumption of the waterway system is reduced.
Owner:ZOOMLION ENVIRONMENTAL IND CO LTD

Quantitative blending device for pesticide preparation production

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.
Owner:SHANDONG KEXIN BIOCHEM

Cloud storage protection system based on big data network

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.
Owner:无锡信中特金属制品有限公司

Vacuum circuit breaker

The invention provides a vacuum circuit breaker, and relates to the technical field of electrical equipment, the vacuum circuit breaker comprises a circuit breaker, the circuit breaker comprises a slide rail and a control brake, the control brake is installed above the circuit breaker, two groups of wiring structures are installed on the inner side of the slide rail, each wiring structure is composed of a wiring terminal, a compression bolt and an anti-loosening cap, a threaded rod is installed between the circuit breaker and the wiring terminal, a set of locking mechanism is installed on the outer side of the wiring terminal, and the locking mechanism is jointly composed of a locking rod, a locking block, a locking plate and a positioning rod. The threaded rod is rotated to control the wiring terminal to slide, sliding of the wiring terminal is switched back and forth between energization and non-energization of the circuit breaker, when the wiring terminal slides away from the circuit breaker, the circuit breaker achieves a power-off effect, and therefore the circuit breaker can be safely maintained, and when the control brake is closed, the circuit breaker is still in a power-off state. And the operation safety of the circuit breaker is further improved.
Owner:HENAN WEISIDA ELECTRIC CO LTD

Aspergillus niger composition and application thereof

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.
Owner:ANHUI AGRICULTURAL UNIVERSITY

Intelligent management method, detection system and management front end of electric bicycle shed

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.
Owner:HUANENG JIANGSU COMPREHENSIVE ENERGY SERVICE CO LTD

Fabricated roof and assembly process

The fabricated roof comprises a bottom frame mechanism, the top of the bottom frame mechanism is movably connected with an assembling mechanism, the bottom frame mechanism comprises a top floor bottom plate, two sets of fixing grooves are formed in the top of the top floor bottom plate, and keel wall body steel bar bodies are fixedly inserted into the inner surface walls of the two sets of fixing grooves; profiled cross beam plates are fixedly connected between the tops of the two sets of keel wall steel bar bodies, the outer surface walls of the two profiled cross beam plates are each provided with a set of side grooves, and side embedded blocks are movably inserted between the inner surface walls of the two sets of side grooves. According to the device, under the action of the bottom frame mechanism and the assembling mechanism, when the device is installed, the device is installed in a mutual embedding and clamping mode, the installation mode is rapid and convenient, the installation mode is different from a traditional welding mode, the construction time is shortened, the machining efficiency can be improved, and subsequent disassembly and replacement of damaged parts are facilitated; the service life of the device is prolonged.
Owner:THE FIRST CONSTR ENG COMPANY LTD OF CHINA CONSTR SECOND ENG BUREAU +1

Safety wireless communication system based on communication technology

The invention relates to the technical field of wireless communication, in particular to a secure wireless communication system based on a communication technology. The system comprises a wireless communication flow real-time monitoring module, a flow denial of service attack instant discarding module, a normal communication data spectrum utilization transmission module and a communication data transmission congestion dynamic secure transmission module. A wireless connection communication channel can be established through a communication technology, and communication flow real-time monitoring and access request flood flow division are carried out to generate a request flood data flow and a non-request flood data flow; carrying out denial attack behavior deletion on the request flood data flow and retaining a non-denial attack behavior data flow, carrying out time sequence combination and communication frequency band congestion sensing analysis on the non-request flood data flow and the non-denial attack behavior data flow, and carrying out dynamic distribution and transmission processing on network communication resources at the same time; and obtaining a traffic data flow congestion resource dynamic allocation secure transmission result. According to the invention, the stability and security of the wireless communication process can be ensured.
Owner:BEIJING ZHONGLING TECHNOLOGY CO LTD

Passenger customs clearance checking method, system and device

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.
Owner:SHENZHEN LONGKONG INFORMATION TECH CO LTD

Wallboard assembly structure and assembled house

ActiveCN224769611Uquick changeHigh reuse rate
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.
Owner:ZHEJIANG MOFANG KUAICANG TECH CO LTD

Loading vehicle control method and system of fuzzy observer

The invention relates to a loading vehicle control method for a fuzzy observer, and belongs to the technical field of loading vehicle control, and the method comprises the following steps: S1, employing a camera carried on a loading vehicle to shoot an image; s2, inputting the image into a T-S dynamical model, and calculating an expected vehicle driving state; s3, estimating an actual vehicle driving state through the vehicle state information by using a fuzzy observer; s3, comparing an expected vehicle driving state with an actual vehicle driving state through a composite nonlinear feedback control model based on parallel distribution compensation, and calculating a feedback control quantity; and S4, inputting the feedback control quantity into an industrial personal computer of the loading vehicle, and controlling the operation of the loading vehicle.
Owner:CISDI RES & DEV CO LTD

Machine tool pedal structure

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.
Owner:ZHUHAI GREE INTELLIGENT EQUIP TECH RES INST CO LTD +2

Detection equipment for animal husbandry veterinary quarantine

The utility model belongs to the technical field of detection equipment for animal husbandry and veterinary quarantine, and particularly relates to detection equipment for animal husbandry and veterinary quarantine, which comprises a detector, and one side of the detector is provided with a placing groove; supporting plates are symmetrically and fixedly connected to the placement groove, and protection plates are slidably connected to the interiors of the supporting plates; one end of the supporting plate is fixedly connected with a connecting block; the protection plate is arranged to be slidably adjustable and is located above the test tube rack, and when the test tube rack completes detection of a row of test tubes, the protection plate is adjusted to move to expose the next row of test tubes to be detected so as to ensure that only the test tubes needing to be detected are in an accessible state each time, so that the safety and efficiency of operation are improved, and the labor intensity of workers is reduced. When the detector falls on the ground, the protection plate can protect test tubes on the test tube rack in an undetected area, so that the effect of blocking or reducing impact force is achieved, the possibility that the test tubes are separated from the test tube rack is reduced, further test tube breakage and sample loss are reduced, and cleanliness and safety of the environment are maintained.
Owner:ZHAOYUAN JINLING ANIMAL HUSBANDRY & VETERINARY STATION

Safety electricity terminal gateway for intelligent power grid and signal acquisition and transmission method of safety electricity terminal gateway

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.
Owner:南京洪荒工业智能装备研究院有限公司

Fixing and supporting structure for building

The utility model discloses a fixed support structure for building, relates to building engineering construction technical field, including floor slab and precast slab, the precast slab is vertically arranged on the left side of floor slab, the right side of floor slab upper surface is fixedly connected with fixed support 1, fixed support 1 upper surface both left and right sides are fixedly connected with third connecting lug, fixed support 1 upper surface both left and right sides are fixedly connected with second connecting lug, fixed support 1 upper surface both left and right sides are fixedly connected with second connecting lug, fixed support 1 upper surface both left and right sides are fixedly connected with second connecting lug. A second fixing support is fixedly connected to the upper portion of the right side face of the prefabricated plate, a first supporting rod is arranged between the second fixing support and the third connecting lug on the right side, and a third fixing support is fixedly connected to the right side face of the prefabricated plate and the lower portion of the second fixing support. And a second supporting rod is arranged between the third fixing support and the third connecting lug on the left side, and a third supporting rod is arranged on the left side between the first supporting rod and the second supporting rod. According to the scheme, better supporting is provided, the position and perpendicularity of the prefabricated slab can be better controlled, and deviation in the installation process is reduced.
Owner:菏泽城建工程发展集团有限公司

Foundation pit supporting device and mounting method thereof

The invention provides a foundation pit supporting device and an installation method thereof. The foundation pit supporting device comprises a baffle structure, a reinforcing piece and a base. The baffle structure comprises two or more protective baffles, and the bottom ends of the protective baffles are provided with first inserting pieces used for fixing the protective baffles and a soil body. Reinforcing pieces are assembled on the inner side faces of the baffle structures. First strip-shaped holes are formed in the connecting positions of the protective baffles and the first inserting pieces, the bottoms of the protective baffles are connected with bases, the bases comprise vertical plates which are fixedly connected, the front sides and the rear sides of the bottoms of the vertical plates are connected with inserting plates and supporting plates respectively, and the inserting plates are connected with the corresponding protective baffles in an inserting mode through the first strip-shaped holes; elastic supporting pieces are assembled among the bottom of the inner side face of the protection baffle, the inner side face of the vertical plate and the top face of the supporting plate. A second inserting piece used for fixing the bottom plate and the soil body is assembled on the supporting plate. The method has the advantages of being rapid in laying construction, large in rigidity of the protective baffle, high in anti-overturning capacity and the like.
Owner:HUNAN URBAN CONSTR COLLEGE