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41results about How to "Ensure operability" patented technology

Double-fan operation authority control system and method based on face recognition

The invention relates to the field of fan operation safety, and discloses a double-fan operation authority control system and method based on face recognition, and the system comprises an identity recognition module, a verification control module, a state feedback module, an authority management module and an abnormity monitoring module. The identity recognition module is used for collecting information of operating personnel and completing two-person in-place confirmation; the verification control module dynamically manages the double-person verification progress and adjusts an operation strategy; the state feedback module monitors the verification state in real time and generates a deviation signal for dynamically adjusting the verification strategy; the authority management module issues fan door authority and tool cabinet authority after verification is completed, and records an authority operation log; the abnormity monitoring module detects abnormal behaviors in the verification and permission using process, and when abnormity is detected, an alarm is triggered, and permission distribution is paused. According to the invention, the safety, verification efficiency and system reliability of fan operation are improved, and dynamic authority control and abnormity tracing functions are realized.
Owner:WUQIANG XISHUI POWER PLANT OF WULING ELECTRIC POWER CO LTD

Method and system for flexibly formulating product carbon footprint model based on LCA

The invention discloses a method and system for flexibly formulating a product carbon footprint model based on LCA, and relates to the technical field of environmental sciences, and the method comprises the steps: determining a carbon footprint evaluation demand, and constructing an evaluation framework according to the demand; dividing the LCA data into data sets according to life cycle stages; collecting carbon emission data in a life cycle stage in real time; constructing an LSTM model for predicting the carbon emission trends of the product in different life cycle stages; and carrying out carbon footprint accounting, hotspot analysis, sensitivity analysis and uncertainty evaluation based on the LSTM model. According to the method for flexibly formulating the product carbon footprint model based on the LCA provided by the invention, flexible carbon footprint evaluation is realized through a modularized data platform and an adjustable system boundary; by combining the Internet of Things and the AI algorithm, the data acquisition accuracy and analysis efficiency are improved, manual intervention is reduced, carbon emission trend prediction and multi-dimensional analysis are realized, and the evaluation precision and decision support capability are improved.
Owner:INFORMATION CENT OF YUNNAN POWER GRID CO LTD

Protection area management planning method and system based on aquatic product resource survey data

The invention relates to the technical field of aquatic product resource management, in particular to a protection area management planning method and system based on aquatic product resource survey data, and the method comprises the steps of data collection and preprocessing, data fusion and feature extraction, aquatic product resource evaluation and analysis, protection area management planning making, dynamic monitoring and adjustment and decision support and visual display. The method comprises the following steps: deploying aquatic product resource investigation equipment, remote sensing equipment and environment monitoring equipment, acquiring aquatic product resource data in real time, identifying key feature variables, performing partition evaluation on aquatic product resources by combining a clustering analysis method, formulating a protection area management plan, and performing resource change trend prediction through dynamic monitoring and a machine learning algorithm. Dynamic adjustment of protection area management is realized, a visual tool is used to display a resource change trend and a management state, and real-time decision support is provided for a decision department. According to the method, the management capability of the aquatic product resource protection area can be effectively improved, and a scientific guarantee is provided for ecological protection and sustainable utilization of resources.
Owner:HANGZHOU ACAD OF AGRI SCI

Urban multi-type charging facility site selection and pricing method considering traffic-power grid coupling network

The invention relates to the technical field of charging facility planning, and discloses an urban multi-type charging facility site selection and pricing method considering a traffic-power grid coupling network, and the method comprises the steps: constructing an electric vehicle user traffic balance model according to the traffic network data and the types of travel electric vehicle users; constructing a power distribution network optimal power flow model based on the electric vehicle charging and discharging process and the power distribution network cost; constructing a traffic-power coupling network model based on the electric vehicle user traffic balance model and the optimal power flow model of the power distribution network; a double-layer mathematical programming model is constructed, an upper layer model in the double-layer mathematical programming model is an electric vehicle multi-type charging facility site selection model, and a lower layer model in the double-layer mathematical programming model is a traffic-power coupling network model; and solving the upper-layer model based on a genetic algorithm to obtain addresses of the multiple types of charging facilities, feeding back the obtained addresses to the lower-layer model, and solving the lower-layer model based on an alternating iterative algorithm. According to the invention, multiple types of charging facilities are considered, and a more flexible charging network is constructed.
Owner:SICHUAN ACAD OF TRANSPORTATION DEV STRATEGY & PLANNING +1

Power system anomaly detection method and system

The invention provides a power system anomaly detection method and system, and the method comprises the steps: carrying out the prediction of a photovoltaic panel assembly based on real-time environment parameters collected in real time and a constructed power prediction model, and obtaining theoretical power generation power data; comparing the obtained real-time power generation power data of the photovoltaic panel assembly with the theoretical power generation power data to obtain a comparison result, and determining an abnormal photovoltaic panel assembly; and performing analysis based on the image data of the abnormal photovoltaic panel assembly acquired in real time to obtain an abnormal result. According to the method, by comparing the real-time power generation power and the theoretical power generation power of the photovoltaic panel assembly, the photovoltaic panel assembly with the abnormal power generation efficiency can be rapidly identified, potential problems can be directly, effectively and timely found, energy waste and potential safety hazards caused by reduction of the power generation efficiency are avoided, and the power generation efficiency of the photovoltaic panel assembly is improved. By acquiring and analyzing the image data of the photovoltaic panel assembly in real time, the actual condition of the photovoltaic panel can be known more visually, and the accuracy of anomaly detection is improved.
Owner:华能(临高)新能源有限公司 +1

Capsule scissors for cataract surgery

The invention relates to the technical field of medical instruments, in particular to a pair of capsular scissors for cataract surgery, which comprises a first rod body, a second rod body, a first blade, a second blade, a connecting assembly, a first elastic sheet, a second elastic sheet, a rotating assembly and a telescopic assembly. Through cooperation of the connecting assembly and the rotating assembly, the force application angle during operation is changed, a cornea incision needing to be formed is reduced, subsequent patient recovery is facilitated, the situation that the cornea incision is enlarged due to vertical opening and closing of conventional capsulorhexis scissors is prevented, and the problem that capsulorhexis forceps are difficult to control the size and position of the capsulorhexis incision can be solved; compared with the prior art, the capsular membrane can be cut more accurately, the size is controllable, the cutting edge is smooth, follow-up patient recovery and surgical operation are facilitated, the operability when the cutting angle is reduced is ensured through the telescopic assembly and the elastic piece, the surgical accuracy is improved, and damage to intraocular tissue in the surgical process is prevented; and the safety and the effect of the operation are improved.
Owner:JIANGSU KANGSHIJIA MEDICAL EQUIP CO LTD

Translation method and device based on language translation model

The invention relates to the technical field of artificial intelligence, in particular to a translation method and device based on a language translation model.The method comprises the steps that in target medical equipment, a preset translation plug-in is loaded, and the preset translation plug-in is used for conversion of multiple languages; running the preset translation plug-in, and translating a to-be-translated text in the target medical equipment to obtain a target language text; and displaying the target language text in a display interface corresponding to the target medical equipment. According to the method, the preset translation plug-in is loaded in the target medical equipment, automatic conversion of multiple languages can be realized, the translation efficiency is greatly improved, the time and the cost of manual translation are reduced, and the to-be-translated text in the target medical equipment is translated by running the preset translation plug-in, so that the translation efficiency of the to-be-translated text in the target medical equipment is improved. The text can be quickly and accurately converted into the target language text, it is ensured that a user can operate and understand the text through a native language or a familiar language, and the user experience is improved.
Owner:上海融易迈医疗健康科技有限公司

Joint control system and method for electric hand braking of railway wagon and railway wagon

The invention discloses a joint control system and method for electric hand braking of a rail wagon and the rail wagon, the joint control system comprises an electric hand braking machine, a hand braking control device, a junction box, a single vehicle controller CCID and a train bus cable, the electric hand braking machine is connected with the junction box through a hand braking sensing cable; one end of the hand brake control device is connected with a hand brake sensing cable and is connected with the electric hand brake, the other end of the hand brake control device is connected with the junction box through the electric hand brake, the junction box is connected with the single vehicle controller CCID through the hand brake sensing cable, and the single vehicle controller CCID is connected with a locomotive control room through the train bus cable. According to the invention, the inherent manual braking function of the hand brake is not influenced, braking can still be implemented by manually rotating the hand wheel of the hand brake, and relieving can still be manually completed by moving the relieving handle.
Owner:CRRC YANGTZE GRP CO LTD

Method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae

The invention discloses a method for identifying Xinhui pericarpium citri reticulatae and pericarpium citri reticulatae, which is characterized in that four active ingredients including hesperidin, nobiletin, tangeretin and 2-methylamino methyl benzoate are simultaneously detected through high performance liquid chromatography, and distinguishing is realized according to detection data. The method comprises the following specific steps: preparing a mixed reference solution and a test solution, extracting a test with methanol, performing ultrasonic treatment, and filtering, specific chromatographic conditions are adopted for detection, the detection wavelength of the hesperidin is 283nm, and the detection wavelengths of the other three components are 330nm. Test results show that the contents of the four active ingredients in the Xinhui pericarpium citri reticulatae are high, the content of methyl 2-methylaminobenzoate is not lower than 0.020%, the ratio of the total amount of nobiletin and tangeretin to hesperidin is not lower than 0.17, and related indexes of the pericarpium citri reticulatae are remarkably low. The method is efficient, accurate, stable and reliable, and provides technical support for standardizing market circulation, guaranteeing product quality and promoting standardized development of the Xinhui pericarpium citri reticulatae industry.
Owner:BEIJING TONGRENTANG HEALTH PHARM (NINGXIA) CO LTD

Kitchen fire hazard intelligent processing system

The invention discloses a kitchen fire hazard intelligent processing system, and relates to the technical field of smart home, the system comprises a multi-sensor module, an intelligent data analysis module and an automatic control module; the multi-sensor module is used for acquiring kitchen environment parameters; the intelligent data analysis module is used for determining whether abnormal conditions exist or not according to the kitchen environment parameters; the automatic control module is connected with the gas main valve; according to the intelligent gas stove disclosed by the invention, the intelligent data analysis module and the automatic control module are arranged, so that the fire risk caused by forgetting to close the gas stove can be prevented, and the family safety is comprehensively enhanced.
Owner:NORTH CHINA UNIVERSITY OF TECHNOLOGY

Zoom adjustment structure

The present application relates to the technical field of optical structure, disclose a zoom adjustment structure to improve the stability and fluency of the mirror seat in the rotation process. The zoom adjustment structure disclosed by the present application comprises: a cylindrical shell provided with two groups of axial grooves, a driving ring provided with two cam grooves, two sliding mirror seats and corresponding transmission and guide connecting pieces; wherein the first group of guide connecting pieces are embedded in the first group of axial grooves and fixedly connected with the first sliding mirror seat; the second group of guide connecting pieces are embedded in the second group of axial grooves and fixedly connected with the second sliding mirror seat. The first transmission connecting piece is embedded in the first cam groove and connected with one guide connecting piece of the first group; the second transmission connecting piece is embedded in the second cam groove and connected with one guide connecting piece of the second group. The two sliding mirror seats extend the seat walls on the same side, the axial length cooperation tolerance makes the deflection angle <0.5°, and the nested structure is arranged between the two seat walls to avoid the interference between the second lens displacement and the opposite guide piece and the side wall, and to ensure that the minimum adjustable distance of the two lenses meets the focal length requirement.
Owner:CHANGSHA LUBANG PHOTOELECTRIC TECH CO LTD

A freeze-proof outdoor faucet

ActiveCN224412687Uquick plugAvoid freezing and freezingThermodynamicsHeat conservation
The utility model relates to the technical field of anti -icing outdoor bolt, specifically relates to a kind of anti -icing outdoor bolt, comprising: fire hydrant mechanism, the fire hydrant mechanism is equipped with anti -icing mechanism, the lower of fire hydrant mechanism is equipped with sealing mechanism;The fire hydrant mechanism includes fire hydrant shell, the upper end of fire hydrant shell is fixed with sealing top cover, and fire hydrant shell is fixed with fire hydrant inner shell inside.This utility model can remove the plugging of water outlet hole by sealing sleeve moving with heat preservation cover, make residual water in fire hydrant inner shell discharge quickly through water outlet hole, reduce the possibility of icing from source, the cooperation of sealing ring and movable rod can also quickly plug water outlet hole when using, ensure normal water outlet function, and the outer surface of the connecting shell of sealing mechanism is embedded with heating ring, can continuously heat the connecting place with underground pipeline, avoid the connecting part icing rigid under low temperature, ensure that device can still be normally opened and operated in severe cold environment, guarantee emergency use demand.
Owner:YUAN FIRE PROTECTION TECH CO LTD

Self-organizing learning path optimization method and system based on learning behavior mining

PendingCN122022094ASolve the defects of vague personalized characteristicsImprove targetingData processing applicationsPersonalizationLearning based
The invention discloses a self-organizing learning path optimization method and system based on learning behavior mining, and relates to the field of path optimizing.The self-organizing learning path optimization method based on learning behavior mining comprises the following steps that S1, data are collected, and a library is built; s2, presetting a judgment benchmark, dividing the data to remove redundancy, and integrating to form a data set; s3, preprocessing the data set, extracting core features by using an algorithm through differentiation, and constructing a double-dynamic model in combination with a library; s4, formulating a path criterion, and optimizing to obtain a multi-version push reference and path adaptation range; s5, calling the path candidate set, and generating a personalized self-organizing learning path candidate scheme; s6, implementing the candidate scheme, and collecting data in real time and integrating to form double reports; and S7, a threshold value is preset to judge double reports. According to the invention, through full-period multi-dimensional learning data acquisition and hierarchical cognitive archive library construction, targeted extraction of learning adaptation rhythm and scene adaptation habits is realized.
Owner:WUHAN GONGXUE ZHILIAN TECH CO LTD

New method for multi-person translation interaction

The invention relates to the technical field of multi-user real-time translation, and discloses a novel multi-person translation interaction method, which comprises the following steps that: an initiator starts a multi-person translation session through a main device, selects a source language and a target language, and generates a session invitation code; other users join the session through the invitation code, and the system automatically allocates the initial authority and identifies the equipment type of the user; the system splits the input content of the user into a plurality of translation tasks, and distributes the tasks to the server node with the minimum load according to the priorities of the tasks. Through adaptive transmission, personalized vocabulary recognition and multi-modal data fusion, high real-time performance and accuracy of multi-person translation interaction are achieved, and it is ensured that translation content is still stably transmitted under network fluctuation. Meanwhile, based on cross-platform synchronization of WebSocket and flexible authority management, data consistency and session security of multiple devices are ensured, and user experience of a complex multi-language scene is effectively improved.
Owner:SHENZHEN MAIMAIJIA TECHNOLOGY CO LTD

Optical element performance test system and method based on ultralow-temperature high-vacuum coupling

PendingCN121855832AImplement performance testingAchieve stress field separationTesting optical propertiesVacuum pumpingHigh reflectivity
The invention relates to an optical element testing system, in particular to an optical element performance testing system and method based on ultralow-temperature high-vacuum coupling, and aims to solve the problem that an existing testing system cannot test the performance of an optical element while simulating an ultralow-temperature and ultrahigh-vacuum sequential coupling environment. Precision testing equipment is protected, and all-parameter and multi-attitude stable and accurate testing of the optical element is achieved. The system comprises a testing container and a tested container which are communicated with each other, and a high-reflectivity one-way film evaporation container is arranged in the testing container and used for slowing down temperature and pressure sudden change during vacuumizing so as to protect internal testing equipment; a contact type optical element clamping cold box is arranged in the tested container, is connected with the optical element through a flexible cold chain, and is matched with a liquid nitrogen / gas nitrogen system to realize proportional temperature regulation. The device can safely and truly simulate the extreme environment of a spaceflight deep space, and achieves the stable and accurate testing of all parameters and multiple attitudes of the optical element.
Owner:XIAN INST OF OPTICS & PRECISION MECHANICS CHINESE ACAD OF SCI

Special motor vehicle authority authentication device

The utility model discloses a special motor vehicle authority authentication device which comprises an identification authentication mechanism connected with a vehicle engine starting mechanism, and the input end of the identification authentication mechanism is connected with an ignition switch; wherein the recognition and authentication mechanism comprises a processor, the input end of the processor is connected with an identity recognition unit and a DC-DC power converter, the identity recognition unit is connected with an identity card collector, and the DC-DC power converter is connected with the ignition switch; the output end of the processor is connected with the vehicle engine starting mechanism. Through the arranged identification and authentication mechanism, the identity information of the vehicle personnel can be directly identified and authenticated, the operation safety is guaranteed, the use record can be checked, the safety coefficient is high, use is convenient and fast, management is easy, effective management of the operator of the special vehicle can be achieved, and the working efficiency is improved. And production operation specifications and safety in the production process are ensured.
Owner:BAOJI HELI FORKLIFT CO LTD

Angular stroke actuator

ActiveCN224736506UAccurately control output torque in real timeavoid damage
This utility model relates to the field of parts spraying technology and discloses an angular stroke actuator. The main technical solution of this device includes: a body fixedly connected to a connecting ring, and a quick-locking mechanism housed within a connecting shell. The body contains a torque indicating mechanism consisting of a turntable, a rotating shell, a torsion spring, a rotating rod, a guide line, and a pointer. Rotating the turntable causes the torsion spring to deform proportionally to the applied torque, and this deformation is visually displayed by the relative displacement of the pointer and the guide line. The quick-locking mechanism includes a limiting block on the connecting ring, which cooperates with the inlet / outlet groove, annular groove, and limiting groove on the fixed plate, and quickly locks the connection through the action of a spring and a pressing plate. This utility model highly integrates torque indication and quick-connection functions, solving the problems of existing tools being single-function, cumbersome to operate, and inefficient. It also possesses excellent sealing performance and auxiliary working condition diagnostic functions, significantly enhancing overall safety and practicality.
Owner:WEIBAOLONG TECHNOLOGY GROUP CO LTD

Pet behavior analysis system based on visual intelligence

The invention discloses a pet behavior analysis system based on visual intelligence, and relates to the technical field of pet intelligent monitoring. According to the invention, an abnormal pet behavior is marked as a target behavior; determining a scene type according to the video data of the target behavior and the corresponding auxiliary behavior, and determining a behavior cause of the pet based on the target behavior, the auxiliary behavior and the scene type; according to the invention, pet behaviors are comprehensively described by means of multi-dimensional monitoring data, so that one-sidedness of a single data dimension is avoided; the preset reference data covers a general scene, and the scientificity of abnormal behavior judgment is improved through hierarchical analysis and weighted fusion design of the behavior recognition model; according to the method, the target behavior is associated with the auxiliary behavior to expand the data dimension, accurate positioning of the behavior inducement is realized in combination with scene recognition, the problem that the core inducement is difficult to lock by single behavior analysis is solved, and systematic and reliable technical support is provided for pet behavior interpretation.
Owner:SUZHOU YUEHETAIPU DATA TECH CO LTD

A method for preparing odor-neutralizing spray granules for sports fields

This invention discloses a method for preparing odor-neutralizing spray granules for sports fields, relating to the technical field of odor-neutralizing spray granules. The steps are as follows: S1 Pre-treatment of waste rubber powder and thermoplastic elastomer, drying of inorganic fillers; S2 Mixing rubber powder and elastomer in an internal mixer, adding plasticizers and activators to prepare a base rubber compound; S3 Modification by adding odor-neutralizing and formaldehyde-removing agents under negative pressure; S4 Plasticizing and extruding the rubber compound into strips using a twin-screw extruder; S5 Water cooling followed by pelletizing to obtain a coarse product; S6 Screening to remove unqualified particles, followed by hot air drying and activated carbon adsorption for secondary odor neutralization to obtain the finished product. The spray granules prepared by this invention have a long-lasting odor-neutralizing effect, good environmental performance, and excellent elasticity, wear resistance, and adhesion strength; the process is highly controllable, the product has uniform particle size, good aging resistance, and is suitable for the spraying needs of various sports fields, while realizing the resource utilization of waste rubber, possessing both practical and environmental value.
Owner:CIXI SHANJIN POLYMER PLASTICS CO LTD

Short video auxiliary shooting scoring method based on AI multi-mode model

The invention discloses a short video auxiliary shooting scoring method based on an AI multi-mode model. The short video auxiliary shooting scoring method comprises the following steps: S10, video acquisition; s20, video analysis: performing multi-dimensional fusion analysis on the standardized video data by adopting a vision-audio-semantic multi-modal fusion analysis algorithm to obtain a multi-dimensional fusion analysis result; s30, score generation: according to a multi-dimensional fusion analysis result, calculating by adopting a dynamic weight adaptive algorithm to obtain a comprehensive score of the to-be-analyzed short video; s40, bright spot identification: extracting index data meeting a quantitative excellent standard from a multi-dimensional fusion analysis result, and identifying and summarizing shooting bright spots of the short video by combining content characteristics of the short video; s50, defect identification is carried out; s60, optimization suggestion generation: on the basis of the identified shooting defects, a targeted overall optimization suggestion is generated in combination with the reservation demand of the shooting bright spots; and S70, outputting a result.
Owner:HANGZHOU ARCVIDEO TECHNOLOGY CO LTD

Multifunctional monitoring mechanism for tailings pond and operating method thereof

This invention relates to the field of tailings dam monitoring technology, specifically to a multifunctional monitoring mechanism and operating method for tailings dams. A bracket is fixed to one side of a support rod, and a solar panel is fixed to one end of the bracket. A fixed plate is provided on the support rod, and a lifting seat is slidably connected inside the fixed plate. A lead screw is screwed to the surface of the lifting seat, and the top of the lead screw is rotatably connected to the top of the support rod. A bidirectional servo motor is installed at the bottom of the support rod, and a drive shaft is driven to the power output end of the bidirectional servo motor. A connecting sleeve is fitted between the drive shaft and the lead screw, and two bolts are inserted into the tube of the connecting sleeve. Multiple handles are fixed to the bottom of the lead screw, and a GNSS monitoring station is installed at one end of the lifting seat. The advantages are: by setting up a bidirectional servo motor in cooperation with the lead screw, the lifting seat can be electrically driven to raise and lower the GNSS monitoring station, facilitating monitoring or maintenance; in the event of a power outage, the bolts between the connecting sleeve and the lead screw and drive shaft can be removed, allowing manual operation of the lead screw to raise and lower the lifting seat.
Owner:UNIV OF SCI & TECH LIAONING +2

An automatic voltage control method based on active power trend determination

The present invention relates to the field of voltage control technology, and in particular to an automatic voltage control method based on active power trend determination. The method comprises the following steps: performing multi-scale monitoring data acquisition according to a power grid management system to generate multi-scale power matrix data; performing new energy output power prediction according to the multi-scale power matrix data to generate new energy power prediction data; performing spatiotemporal node similarity processing according to the multi-scale power matrix data, and performing node voltage change trend analysis to obtain node voltage trend data; performing power grid voltage stability margin assessment according to the new energy power prediction data and the node voltage trend data to generate voltage stability margin assessment data; performing intelligent voltage regulation instruction generation based on the voltage stability margin assessment data to obtain intelligent voltage regulation instruction data. The present invention realizes automatic control of power grid voltage through power grid voltage stability margin assessment, and effectively solves the voltage stability problem caused by new energy output fluctuations.
Owner:武汉华源电力设计院有限公司

Multi-serial-port expansible wireless communication terminal

The utility model provides a multi-serial port expansion wireless communication terminal, which relates to the technical field of wireless communication equipment and comprises terminal equipment, serial port expansion groups are fixed on two sides of the terminal equipment, fixing plates are fixed on two sides of the terminal equipment, a bottom round hole is arranged at the bottom of the terminal equipment, and a trapezoidal groove is arranged on the inner wall of the bottom round hole. A mode of installing the ground cone at the bottom of the terminal equipment is adopted, so that a wireless communication terminal plays a crucial role under the conditions of emergency communication, rescue and relief work, field operation and the like in recent years, and when the conditions of natural disasters such as earthquakes, floods and the like are faced, the ground cone is arranged at the bottom of the terminal equipment. A traditional wired communication infrastructure is seriously damaged to cause communication interruption, at the moment, portability and rapid deployment capacity of a wireless communication terminal are particularly important, when natural disasters occur, the wireless communication terminal can only be temporarily fixed due to environmental limitation, and equipment is difficult to fix through bolts during field operation, so that the wireless communication terminal cannot be fixed temporarily. And the application range of equipment is reduced.
Owner:SHENZHEN ALEKA TECH LTDRP

Glue supply device

ActiveCN224736644UGuarantee coating qualityImprove workability
This utility model provides a glue supply device, including a lifting drive mechanism, a heating pressure plate, and a glue supply pump mechanism. The output end of the lifting drive mechanism is connected to the heating pressure plate, and the heating pressure plate is provided with a glue inlet. Several glue supply pump mechanisms are respectively arranged on the heating pressure plate. Each glue supply pump mechanism includes a branch seat, a double-layer booster pump, a motor drive module, and a pneumatic reflux valve assembly. The branch seat is located on the upper part of the heating pressure plate, and the double-layer booster pump is located above the branch seat. The motor drive module is connected to the double-layer booster pump. The branch seat is provided with a glue inlet connection channel, a glue outlet channel, and a pressure stabilizing reflux channel. The glue inlet connection channel is connected between the glue inlet and the booster inlet of the double-layer booster pump. One end of the glue outlet channel is connected to the booster outlet of the double-layer booster pump. One end of the pressure stabilizing reflux channel is connected to the glue outlet channel, and the other end of the pressure stabilizing reflux channel is connected to the glue inlet connection channel. The pneumatic reflux valve assembly blocks or opens the pressure stabilizing reflux channel.
Owner:DONGGUAN KEQI AUTOMATION EQUIP CO LTD

Block chain cross-chain data penetration type supervision method and system based on attribute encryption

The invention discloses a block chain cross-chain data penetration type supervision method based on attribute encryption, and the method comprises the following steps: monitoring a data access request in a cross-chain environment, and transmitting the received request to a collaborative encryption module; the data verification module receives the attribute vector, calls a verification mark stored on the chain for comparison, and ensures that the user meets an access condition; a zero-knowledge proving technology is adopted to further verify the user permission; encrypting and decrypting under-chain data; the decrypted data is transmitted to the user side through the secure transmission channel, so that the security of the data in the transmission process is ensured; and dynamically adjusting the authority strategy. According to the method, the OC-ABE is combined, the system efficiency is improved, the flexibility of authority management, the data privacy and the compliance transparency are improved, and the method is an ideal choice for realizing efficient and safe cross-chain data supervision in a multi-chain environment.
Owner:TIANJIN UNIVERSITY OF TECHNOLOGY

A digging device based on auxiliary collection for soil inspection and detection

The present invention discloses an excavation device based on auxiliary collection for soil inspection and detection, which relates to the technical field of sample collection equipment, and comprises: an outer cylinder for inserting into the soil, characterized in that a sample storage cylinder for storing soil samples is fixedly arranged inside the outer cylinder, a stratification device for separating the soil samples in the sample storage cylinder is inserted on the outer side of the sample storage cylinder, a control device for controlling the separation and connection state of the stratification device is inserted inside the outer cylinder, and a locking member for limiting the control device is arranged inside the sample storage cylinder; in the present invention, the stratification device can be used to separate the soil samples according to their depths to prevent the mixing of soil samples at different depths, so that the collected soil samples can represent the soil conditions at different depths, which is helpful to more accurately understand the vertical distribution characteristics of the soil, thereby providing more reliable data support for soil inspection and detection.
Owner:临沂市检验检测中心

Multi-service APP authentication and data sharing system and method

The invention relates to the technical field of APP authentication and data sharing, and discloses a multi-service APP authentication and data sharing system and method, and the system comprises a security enhancement module which carries out the encryption storage and transmission of sensitive data through employing an encryption algorithm, guarantees the security of the data in the storage and transmission process, carries out a fine-grained access control strategy, and carries out the encryption storage and transmission of the sensitive data. The data access authority is dynamically adjusted according to the identity, role and authority of the user, unauthorized users are prevented from accessing sensitive data, and multi-factor authentication is introduced. The sensitive data is encrypted, stored and transmitted through an encryption algorithm, data leakage is effectively prevented, a fine-grained access control strategy is implemented, it is ensured that only an authorized user can access the sensitive data, multi-factor authentication is introduced, and the safety of an authentication system is improved.
Owner:SHENZHEN COMPREHENSIVE TRANSPORTATION & MUNICIPAL ENG DESIGN & RES INST CO LTD

Straddle type vehicle

The invention relates to a straddle type vehicle. The straddle type vehicle is at least provided with a vehicle frame unit and a vehicle body cover unit covering the periphery of the vehicle frame unit. The frame unit is provided with a head tube and a main tube extending from the head tube to the rear part of the bicycle body, the main tube is provided with a pedal tube part towards the rear part of the bicycle body, the pedal tube part is provided with a rear frame towards the rear part of the bicycle body, and the rear frame is provided with an upper transverse tube part; a power unit is arranged between the rear part of the pedal pipe part and the rear frame; a pedal plate of the bicycle body cover unit covers the pedal pipe part to form a foot placing part; a storage box is arranged on the rear frame of the frame unit, and a seat cushion is arranged on the rear frame and above the storage box; the vehicle body cover unit is further provided with a central vehicle body cover arranged below the front end of the seat cushion in a covering mode. The bestriding type vehicle is provided with a power controller capable of controlling the power unit. The power controller is arranged at the rear end of the foot rest part; therefore, the space at the rear end of the foot placing part can be effectively utilized, and meanwhile, the power controller can obtain a better heat dissipation effect.
Owner:KWANG YANG MOTOR LTD