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

879 results about "Mutual influence" patented technology

Vapor deposition mask and method for manufacturing electronic device

The purpose of the present invention is to provide: a vapor deposition mask capable of forming a vapor deposition film that has excellent pattern dimensions and suppressing mutual influence between adjacent pixels; and a method for manufacturing an electronic device using the vapor deposition mask. A vapor deposition mask according to the present invention is disposed between a vapor deposition source and a substrate to be subjected to vapor deposition, in order to deposit, through openings therein, a vapor deposition material from the vapor deposition source onto a surface of the substrate to be subjected to vapor deposition, and is characterized in that: the vapor deposition mask has a first surface that faces the substrate to be subjected to vapor deposition and a second surface that is located opposite to the first surface and that faces the vapor deposition source; a plurality of openings penetrating the vapor deposition mask between the first surface and the second surface are formed; the lateral wall surface of each of the openings is inclined such that the opening width becomes narrower from the second surface side to the first surface side; and the opening width defined on the first surface side is more than 3 µm but less than 15 µm.
Owner:TOPPAN HOLDINGS INC

Chuck mechanism and hemostatic clip

The invention relates to the technical field of hemostatic clips, in particular to a chuck mechanism and a hemostatic clip. Aiming at the technical problem that the existing hemostatic clip has defects, the invention provides the chuck mechanism and the hemostatic clip, the structure of a clamping piece is improved, a three-way integrated hole is formed in the tail part of the clamping piece, and the integrated hole is matched and connected with a ball head of a metal wire, so that the clamping and closing of the clamping piece are controlled; and the mutual influence of the clamping and closing operation and the separation operation of the clamping pieces in the operation can be avoided by combining the control of the metal wire and the separation control between the metal wire and the clamping pieces. And moreover, through the design of the multi-stage locking part, the clamping piece can be locked under different clamping degrees, so that the clamping requirements under different conditions are met, and more excellent practicability and operation convenience are achieved.
Owner:ANREI MEDICAL HZ

Method and system for calculating soil pressure of foundation pit support structure under bilateral coupling deformation

The invention relates to the technical field of foundation pit engineering, and discloses a foundation pit enclosure structure soil pressure calculation method and system under bilateral coupling deformation, and the method comprises the steps: obtaining deformation correlation parameters of an enclosure structure of a target foundation pit; initial deformation fitting is conducted on the enclosure structure, active and passive initial soil pressure of the enclosure structure is obtained, and the initial soil pressure is associated with the embedding depth of the enclosure structure; the deformation correlation parameters and the initial soil pressure are input into the bilateral coupling deformation calculation model, and horizontal deformation of the two sides of the enclosure structure is obtained; inputting the horizontal deformation of the two sides into a non-limit soil pressure calculation model to obtain the soil pressure of the enclosure structure; and if the horizontal deformation on the two sides and the soil pressure do not meet the convergence requirement, inputting the soil pressure into the bilateral coupling deformation calculation model for iteration. According to the method, the stress conditions of the two sides of the enclosure structures can be considered, so that the mutual influence of stress between the enclosure structures on the two sides is coupled.
Owner:EAST CHINA JIAOTONG UNIVERSITY

Modulus-driven high-speed rail overhead line system full-life-cycle management method

The invention discloses a modulus-driven high-speed rail overhead line system full life cycle management method, and relates to the technical field of railway overhead line systems, and the method comprises the steps: analyzing the full life cycle of an overhead line system, and constructing a life stage block; collecting life stage data, and storing the life stage data into the corresponding life stage blocks; respectively constructing a representation model library, a data lake and a mechanism model library for the collected data according to a subject domain; establishing a collaborative periodic relationship based on the axial data relationship; building a digital-analog period integrated atlas relation; and performing operation processing to generate stage management information. The technical problems of unreasonable resource allocation, slow fault response and low management efficiency caused by the fact that information is difficult to share in real time and the intelligent level of full-life-cycle management is not high due to neglecting of contact and mutual influence of all stages of the full-life-cycle of the overhead line system in the prior art are solved. Concentrated storage and efficient management of data in all stages are achieved, and the technical effect of improving operation and maintenance management efficiency and power supply stability is achieved.
Owner:CHINA STATE RAILWAY GRP CO LTD +3

Environmental parameter control method and system for complex laboratory

The invention relates to the technical field of laboratory environment control, and discloses an environment parameter control method and system for a complex laboratory, and the method comprises the steps: obtaining environment index data, and carrying out the time sequence processing, and obtaining a real-time change trend; according to the real-time change trend, predicting a future offset by using a prediction model, and performing data fusion when the offset exceeds a threshold value to obtain an accurate environment state estimated value; according to the accurate environmental state estimation value, quantifying the mutual influence among the environmental indexes to obtain the mutual influence relationship of the environmental indexes; determining an environment index priority sequence according to the mutual influence relationship; generating and executing a control instruction according to the priority sequence; and when continuous deviation exists, the prediction model and the mutual influence relation are updated through feedback circulation. According to the method, the dynamic mutual influence among the environmental indexes can be quantified, and accurate and stable cooperative control of multiple parameters in a complex dynamic environment is realized.
Owner:GANSU JIESHI EXPERIMENTAL EQUIP CO LTD

Method and system for constructing life prediction model of electric power microsensor

The invention provides an electric power micro sensor life prediction model construction method and system, and the method comprises the steps: determining a plurality of acceleration test stages and acceleration factor combinations corresponding to the acceleration test stages based on the obtained historical degradation state information of a sensor; and carrying out an acceleration test on the sensor based on the acceleration factor combination corresponding to the plurality of acceleration test stages to obtain an acceleration test data set, and training the life prediction model by taking the acceleration test data set as an input and taking the residual life of the sensor as an output to obtain a trained life prediction model. The complex working condition of the electric power microsensor in the actual working environment is simulated more truly in a multi-stage multi-acceleration-factor combination mode, interference and mutual influence between different failure mechanisms are avoided, and the accuracy and comprehensiveness of life evaluation are improved.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +1

Regional source network load storage virtual power plant operation optimization method, device and equipment

The invention relates to a regional source network load storage virtual power plant operation optimization method, device and equipment, belongs to the technical field of power system optimization, optimizes a scheduling strategy of a virtual power plant by comprehensively considering three objectives of cost, low carbon and risk, improves the overall performance and economic benefit of a system, realizes efficient, economic and sustainable operation of the virtual power plant, and improves the economic benefit of the system. The technical problems that in the prior art, the consideration direction is single, and the complexity in operation of a power system and the mutual influence between multi-dimensional targets cannot be solved are solved.
Owner:CHONGQING SANXIA WATER CONSERVANCY & ELECTRIC POWER (GROUP) CO LTD

Garden blower

The present disclosure provides a garden blower, including a housing and a duct assembly, the duct assembly includes an outer duct, a motor fan blade assembly and a guide cone; the outer duct and the rear casing are arranged in such a way that there is an annular interval therebetween, and a plurality of first anti-vibration components are arranged between the outer duct and the holding casing; the first anti-vibration components are close to the motor fan blade assembly, and form a first anti-vibration plane perpendicular to the motor axis of the motor fan blade assembly. This technical solution can suppress the transmission of vibration generated by the rotation of the motor fan blade assembly to other components, especially the holding casing, and effectively avoids the mutual influence between the vibration of the motor fan blade assembly and the disturbance of the rear casing caused by the airflow.
Owner:ZHEJIANG SUNSEEKER IND CO LTD

Convolutional neural network training method for label noise image processing, electronic equipment and storage medium

The invention discloses a convolutional neural network training method for label noise image processing, electronic equipment and a storage medium, and belongs to the technical field of label noise image processing. In order to improve the stability of the training process and improve the label noise filtering performance, the time average neural network is introduced, a more stable sample weight is generated, the stability of the training process is improved, and the label noise filtering performance is improved. For the identified noise data set, label correction is carried out by using the time averaging neural network, and the stability of the label noise correction method is improved because the mutual influence of the deep neural network and the label noise correction part is decoupled. On the whole, the robustness and generalization ability of the model on the data with the noise label are effectively improved. Compared with a traditional method, the method shows remarkable superiority when the label noise problem is processed.
Owner:HARBIN UNIV OF SCI & TECH

Composite microbial agent for high-temperature composting and preparation method thereof

The invention belongs to the field of microbial technology application, and particularly relates to a compound microbial agent for high-temperature composting and a preparation method thereof. According to the invention, a plurality of thermophilic fungi with different enzyme production functions and a plurality of thermophilic bacilli are compounded, and the preparation method adopts a manner of independently preparing the bacilli and the thermophilic fungi and then physically mixing the bacilli and the thermophilic fungi, so that the mutual influence is reduced, and the concentration and activity of the two types of microorganisms are guaranteed. In terms of technical effects, the microbial inoculum disclosed by the invention can be rapidly heated, the high-temperature period is longer, and a round of fermentation can be completed in a shorter time period. Experimental data show that the microbial inoculum prepared by the method can reach the high temperature of 75 DEG C within 2 days and can be kept in a high-temperature state to the tenth day, the fermentation period is short, one round of fermentation only needs 16 days, and the high-temperature time period can occupy about 56%-62.5% of the whole fermentation period.
Owner:SHENZHEN SHENSHUI WATER RESOURCES CONSULTING CO LTD

Self-adaptive control method and device for multiple air outlets

The invention provides a multi-air-outlet self-adaptive control method based on user behaviors. The multi-air-outlet self-adaptive control method comprises the steps that historical setting parameters are obtained from a database through a control panel; controlling operation of an air outlet corresponding to the control panel based on the historical setting parameters; user real-time adjustment parameters are obtained through the control panel, and the user real-time adjustment parameters are stored in the database; processing the historical setting parameters and the user real-time adjustment parameters in the database by using a multi-air-outlet balance adaptive model so as to obtain operation parameters for a plurality of air outlets; and operation of the multiple air outlets is controlled based on the operation parameters of the multiple air outlets, and the operation parameters of the multiple air outlets are stored in a database. According to the method, the balance point which can best meet the user requirements is searched according to the historical user adjustment behaviors and the mutual influence of the users in the current space, the real requirements of numerous users or articles at different positions in the environment space can be met, the user experience is improved, and meanwhile energy is saved.
Owner:YORK GUANGZHOU AIR CONDITIONING & REFRIGERATION CO LTD +1

Sampling equipment for underground water detection

The invention discloses sampling equipment for underground water detection, and belongs to the technical field of underground water detection. The device comprises a support, a motor is fixedly connected to the upper side of the support, a rotating roller is fixedly connected to the output end of the motor, a rope is connected to the outer side of the rotating roller in a wound mode, the end of the rope penetrates through the support, a sampling barrel is fixedly connected to the end of the rope, and a fixing ring is fixedly connected to the interior of the sampling barrel. The upper side of the fixing ring is fixedly connected with an isolating ring, the outer side of the isolating ring is uniformly and fixedly connected with a plurality of groups of isolating plates, and the plurality of groups of isolating plates are fixedly connected with the fixing ring and the sampling barrel. In the sampling process, the driving plate and the driven plate are driven to move through the electric push rod, so that differential speed occurs between the driving plate and the driven plate, a corresponding space is formed, the space is used for sampling operation, mutual influence between sampling every time is small, and the sampling effect is good.
Owner:江苏蓝联环境科技有限公司

Medical bed and radiotherapy system

The invention provides a medical bed and a radiotherapy system. The medical bed comprises a main frame body, a plate assembly, a pitching rotating assembly and a horizontal rotating assembly, the pitching rotating assembly and the horizontal rotating assembly are both connected between the main frame body and the plate assembly, the pitching rotating assembly drives the plate assembly to rotate in a vertical plane along a first axis, and the horizontal rotating assembly drives the plate assembly to rotate in a horizontal plane along a second axis. The second axis and the first axis satisfy a vertical condition and intersect with each other. The plate assembly rotates around the same point in the vertical plane and the horizontal plane, so that a target area needing to be treated can be adjusted better and more pertinently, mutual influence during adjustment of different dimensions is avoided, and the positioning process is simpler and more efficient. The treatment efficiency is higher, the placement position is more accurate, and the treatment effect can be better guaranteed.
Owner:SHENYANG NEUSOFT ZHIRUI RADIOTHERAPY TECH CO LTD

Fatigue performance test device and method

A fatigue performance test device and method. When being used for testing the tensile fatigue performance of a rubber material, the test device comprises loading frames (1), a pressing mechanism, and gaskets (3), and when being used for testing the shear fatigue performance of the rubber material, the test device comprises loading frames (1) and a pressing mechanism. During testing, the loading frames (1) are fixed by means of positioning panels (6), and after samples (5) are mounted in place, the positioning panels (6) are removed, and a fatigue testing machine is used to load the two loading frames (1), so as to test the tensile fatigue performance or the shear fatigue performance. A plurality of samples (5) can be mounted at the same time for testing the fatigue performance, and mutual influence is avoided, so that the test efficiency is effectively improved, the test cost is reduced, and the test cycle is shortened.
Owner:XIAN AEROSPACE PROPULSION TECH INST

Epitaxial wafer defect positioning method based on machine vision

The invention relates to an epitaxial wafer defect positioning method based on machine vision, and relates to the field of defect localization, dislocation and crack scale parameters are predicted by collecting a control parameter sequence in the epitaxial wafer growth process, then the number of microscopic image collection areas is configured, a recognition area is selected on an epitaxial wafer, and microscopic images are collected; dislocation and crack identification is carried out by utilizing machine vision, the propagation direction of the dislocation is predicted when the dislocation is identified, meanwhile, the crack influence coefficient when the dislocation and the crack coexist is processed to correct the number of crack areas, and finally, identification and correction are continued according to the dislocation propagation direction. The technical problem that the defect detection efficiency and accuracy are insufficient due to the fact that control parameters, defect propagation rules and mutual influences in the epitaxial wafer growth process are difficult to comprehensively consider is solved, accurate positioning of epitaxial wafer defects is achieved, and the defect detection accuracy is improved. And the efficiency and the accuracy of epitaxial wafer defect detection are obviously improved.
Owner:ZHEJIANG LISHUI XIN WAFER SEMICON TECH CO LTD

Motor

The invention belongs to the technical field of motors, and particularly relates to a motor which comprises a coil in a connecting layer, the coil is provided with at least two turns of conductors connected in series, each turn of conductor is provided with a first main body section and a connecting section connected in series, the first main body sections are parallel to the axial direction of the motor, and the connecting layer is provided with two adjacent first main body sections. The connecting sections, connected at the same end of the motor, of every two adjacent first main body sections are located in different connecting layers. The connecting sections, connected at the same end of the motor, of the first main body sections of the flexible circuit piece are arranged in different connecting layers, so that the mutual influence between the connecting sections connected with the adjacent first main body sections in the same layer is reduced, the width of the connecting sections can be increased, and the resistance of the connecting sections is reduced; conductor heating of the connection section of the flexible circuit member is reduced, and the service life of the motor is prolonged.
Owner:ZHEJIANG SANHUA PRECISION DRIVE FUTURE TECHNOLOGY CO LTD

Dynamic risk monitoring system and method based on safety production

The invention discloses a risk dynamic monitoring system and method based on safety production, relates to the technical field of safety production, and solves the technical problem of low safety production risk dynamic monitoring precision caused by neglecting of mutual influence of data corresponding to production links in the prior art. According to the method, the whole production process is divided into a plurality of production links, independent analysis of safety production risks is carried out on each production link, and once a certain production link is abnormal, an abnormal reason and an abnormal point can be quickly positioned, so that workers can conveniently process in time; the safety monitoring data of each production link is reasonably predicted based on the historical record data, whether the safety production risk exists or not is judged according to the predicted safety monitoring data, the mutual influence between the production links is fully considered in the reasonable prediction process, the safety monitoring data prediction reasonability can be improved, and the safety production risk is reduced. And thus, the accuracy of safety production risk judgment in each production link is improved.
Owner:SHANGHAI GELUE SOFTWARE TECH CO LTD

Agricultural trade organic garbage treatment equipment

The utility model discloses agricultural trade organic garbage treatment equipment in the technical field of agricultural trade garbage treatment, which comprises a treatment box and a feed hopper, a draining net, a drainage tank and a material blocking structure are arranged in the feed hopper, the upper part of the treatment box is provided with a crushing component, a collecting hopper and a sealing component, and the middle part of the treatment box is provided with a fixed plate, a fixed net and a filter pressing plate; according to the garbage treatment device, multiple times of dehydration treatment are carried out through the structures such as the draining net, the fixing net and the filter pressing plate, the water content of garbage is reduced, the treatment effect is improved, the garbage size is reduced through the smashing assembly, and follow-up machining treatment is facilitated; a plurality of annular plates are arranged, so that crushing, discharging, filter pressing, discharging and collecting of garbage are separated and carried out at the same time, and mutual influence is avoided while the treatment efficiency is improved; and by arranging the sealing assembly, when the position of the annular plate is switched every time, the material collecting opening can be sealed, and garbage materials are prevented from falling to the area, located outside the annular plate, of the fixing plate.
Owner:SHANDONG TENGSHENG MUNICIPAL ENG CO LTD

Dynamic and static combined intelligent contract vulnerability detection method

The invention discloses a dynamic and static combined intelligent contract vulnerability detection method, and belongs to the fields of software testing, vulnerability detection, intelligent contract security and the like. When intelligent contract vulnerability detection ignores mutual influence and calling paths among a plurality of intelligent contracts in a cross-contract scene, a large amount of false alarms and missing alarms are generated, and the vulnerability detection accuracy is reduced. According to the method, cross-contract calling dependency is defined on the basis of data flow dependency and control flow dependency, and then an intelligent contract dependency graph ICDG (Inter-Control Dependent Graph, ICDG) in a cross-contract scene is constructed, so that the dependency relationship among multiple intelligent contracts and the interaction logic of a complex intelligent contract application are completely represented. According to the method, cross-contract call mining and evaluation are carried out based on historical transaction information, a heuristic reverse search strategy and a genetic algorithm are designed, and vulnerability detection is carried out based on ICDG. The method is feasible and effective in single smart contract vulnerability detection, and the smart contract vulnerability detection effect in a cross-contract scene can be improved.
Owner:BEIJING UNIV OF CHEM TECH

Non-woven fabric clamping device of non-woven fabric lapping machine

According to the non-woven fabric clamping device of the non-woven fabric lapping machine, a suction nozzle, a suction nozzle support, a first swing rod, a second swing rod and the like are arranged, a rotary disc drives the second swing rod to swing eccentrically, the second swing rod drives the first swing rod and the suction nozzle to swing, and the suction nozzle swings and sucks a fiber web in a reciprocating mode. According to the lapping machine mechanism, a suction nozzle swinging in a reciprocating mode can suck the bent position of a fiber net, the fiber net can be fully attached to the bent position, and the defect that in the prior art, a lapping machine mechanism cannot effectively solve the problem that gaps appear at the bent position of the fiber net is overcome; the first swing rod and the second swing rod drive the clamping block to move on the arc groove opening in the side face of the arc groove frame, and the guide pipe penetrates through the guide pipe hole in the arc groove frame, so that the suction work and the reciprocating swing work of the suction nozzle can be carried out separately and are prevented from influencing each other; and an arc notch in the arc groove frame can play a role in supporting the movement of the first swing rod and the second swing rod, so that the movement stability of the first swing rod and the second swing rod is improved.
Owner:CHANGSHU HONGYI NONWOVEN MASCH CO LTD

Device for measuring needle penetration of modified asphalt and use method of device

The invention belongs to the technical field of material detection, and relates to a modified asphalt penetration measuring device and a use method thereof.The modified asphalt penetration measuring device is characterized in that the lower side of an installation frame is connected with a first limiting rod, and the farthest distance between the center of a standard needle installed on a measuring head assembly and the lower end of the first limiting rod is larger than or equal to 10 mm; the lowest point of the first limiting rod is higher than a standard needle installed on the measuring head assembly, two opposite second limiting rods are arranged on the installation frame in a sliding mode, and the two second limiting rods are located on the two sides of the position between the second limiting rods and the standard needle on the measuring head assembly respectively. The distance between the test point of the standard needle on the asphalt and the edge of the sample container is greater than or equal to 10mm by utilizing the limiting of the limiting rod I, so that the edge effect is avoided, the test point is close to the central area of the asphalt, and the measurement precision is improved; besides, the two limiting rods II are used for centering, limiting and stabilizing the sample containing vessel, so that the distance between the test points can be ensured to be greater than or equal to 10mm only by ensuring that the angle between the adjacent standard needles is close to 120 degrees, and mutual influence is avoided.
Owner:XIANGFENG TECH

High-reliability lamp mutual positioning method, system, equipment and medium

The invention provides a high-reliability lamp mutual positioning method, system and device and a medium. The method comprises the following steps: determining a mutual influence relationship between lamps through reference parameters of the lamps with a visible light communication function in a target shopping mall during installation and working state parameters of visible light signals of the lamps; determining an interference feature vector of each lamp in the positioning process according to the mutual influence relationship, the multipath effect of the visible light signal and the interference superposition feature; determining a positioning constraint condition of each lamp, and determining a cooperative positioning parameter of each lamp through all the positioning constraint conditions and all the interference feature vectors; and determining relative positioning information of each lamp in the target shopping mall according to the anti-interference configuration parameter of the visible light signal of each lamp in the positioning process and all the cooperative positioning parameters. By adopting the scheme of the invention, the influence of the multipath effect and signal attenuation between the lamps on mutual positioning of the lamps can be reduced, so that high-reliability mutual positioning of the lamps is realized.
Owner:广州市明静科技有限公司

Verification method for integrating module verification and system verification

The invention discloses a verification method for integrating module verification and system verification, which comprises the following steps of: a, selecting at least one module from a plurality of composition modules of a system, establishing an independent verification environment for each selected module, and writing a test case; b, performing independent simulation verification on each module according to a coverage rate requirement; c, integrating each module and the corresponding verification environment into a system verification environment; and d, performing simulation verification on each function of the system. According to the method, in the project verification process, parallel verification can be carried out between a single module and a system, the verification work efficiency is further improved, and the mutual influence between verification workers is reduced.
Owner:IPGOAL MICROELECTRONICS (SICHUAN) CO LTD

Yarn tension detection mechanism

The invention discloses a yarn tension detection mechanism, and relates to the technical field of yarn tension detection, the yarn tension detection mechanism comprises a detection table, and also comprises a single multi-section tension detection mechanism installed at the top of the detection table; according to the invention, the center tightening mechanism is installed to make the yarn in a tensioning state before segmentation, the tensioning degree and length of multiple segments of yarns are kept consistent, the consistency of detection results is guaranteed, the multiple segments of isolation clamping mechanisms are installed to divide a single yarn into multiple segments of detection segments, the multiple segments of yarns are isolated, mutual influence of the multiple segments of yarns is avoided, and the detection efficiency is improved. The method comprises the following steps of: arranging a yarn humidifying mechanism, monitoring tension data of the yarn in real time, selectively humidifying the yarn by adding a specified amount by installing the yarn humidifying mechanism, and testing the tension of the yarn by utilizing a single multi-section tension detection mechanism after humidifying, so as to obtain the tension data of the yarn with different humidity and obtain the performance of the yarn in different environments; and evaluating the yarns according to the performance data.
Owner:滨州钰禄纺织有限公司

Processing technology suitable for measuring and power supply integrated mutual inductor

The invention relates to a processing technology suitable for measuring a power supply integrated mutual inductor. The processing technology comprises the following steps that an electromagnetic mutual inductor is subjected to die filling; pouring to form a first solid sealing part for sealing the electromagnetic mutual inductor, wherein a first mounting hole and a boss directly facing the electromagnetic mutual inductor are formed on the first solid sealing part; filling the electronic transformer into a mold; pouring to form a second fixing and sealing part for sealing the electronic transformer, wherein a second mounting hole in butt joint with the first mounting hole is formed in the second fixing and sealing part; assembling a fusion tube assembly; the mutual inductor is integrally assembled, the fusion tube assembly is arranged in the first mounting hole and the second mounting hole, and the first fixing and sealing part and the second fixing and sealing part are fixed, so that the mold filling stability of each structure is ensured, mutual influence among the structures during mold filling of an electromagnetic mutual inductor and an electronic mutual inductor is avoided, the processing difficulty is reduced, and the production efficiency is improved. And the first fixing and sealing part and the second fixing and sealing part can be independently tested according to respective product standards.
Owner:ZHEJIANG HUACAI TECH CO LTD

Push type rotary guiding structure based on drilling build-up rate prediction

The invention discloses a pushing type rotary steering structure based on drilling build-up rate prediction, and aims to solve the problem of low build-up rate prediction precision caused by the fact that the influence of an action execution control mode of a pushing block is not considered in the build-up rate prediction process of a pushing type rotary steering tool. Drilling parameters are monitored and acquired in real time, data analysis is carried out, real-time working condition analysis is carried out by combining drilling gaps in the drilling parameters with the deflection angle of a drilling stabilized platform to obtain the current drilling build-up rate, and instructive compensation action is provided for the prediction process of the drilling build-up rate. Specifically, action compensation is actively carried out by a pushing block through a hydraulic execution assembly, on the basis that normal operation of a guiding tool of a small-diameter structure is ensured, mutual influence and restriction between a drilling tool and a well wall in the deep-going process are avoided, the stability and efficiency of drilling operation are improved, and the drilling efficiency is improved. And effective technical support is provided for drilling of a complex well track.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Equipment health management method and device

The invention discloses an equipment health management method and device. The method comprises the following steps: acquiring multi-dimensional state data of target equipment in a target period, and preprocessing the multi-dimensional state data into a target state matrix; utilizing a multi-head self-attention module contained in the health state evaluation model to respectively carry out longitudinal and transverse analysis to obtain first state embedding reflecting a time change relation and second state embedding reflecting mutual influence between dimensions; integrating the two embedding and historical period embedding through an embedding processing module, and determining target state embedding; and finally, the health level of the target equipment is evaluated through a health analysis module, and when the level is too low, the fault risk source is embedded and identified based on the second state. The technical problems of poor accuracy and low interpretability caused by the fact that a traditional base station equipment health assessment scheme does not consider the full life cycle state of the equipment are solved.
Owner:CHINA TELECOM CORP LTD

Metal armored withdrawable switch cabinet

The utility model relates to the technical field of switch cabinets, and in particular to a metal armored drawer switch cabinet, comprising a cabinet body and a plurality of drawer cabinets, wherein the interior of the cabinet body is divided into a plurality of mutually independent cavities by partitions, wherein a plurality of heat conducting sheets are arranged inside the cavities, and the heat conducting sheets are spliced ​​to form slots for accommodating the insertion of the drawer cabinets, and heat dissipation fins are arranged on the outer side walls of the heat conducting sheets, and a gap is reserved between the heat conducting sheets and the inner side walls of the cabinet body, and a heat dissipation mechanism for blowing air to each cavity at the same time is arranged on the back of the cabinet body. By arranging the heat conducting sheets, heat dissipation fins and heat dissipation mechanism, the heat of the electrical components inside the drawer cabinet when working can be quickly extracted, the heat dissipation mechanism drives the flow of air, the heat dissipation fins increase the heat exchange area, the heat dissipation effect is better, and at the same time, the influence of each drawer cabinet on each other is avoided.
Owner:CHANGZHOU HUINENG ELECTRONICS CO LTD

Microreactor

The utility model relates to the technical field of fluid mixing reaction devices, and discloses a microreactor. The micro-reactor comprises a reaction plate, a flow channel is concavely arranged on the reaction plate, the flow channel comprises a feeding area, a mixed reaction area and a discharging channel which are communicated in sequence, the feeding area comprises a first feeding channel, a second feeding channel and a premixing channel, the second feeding channel is located in the first feeding channel, the extending direction of the second feeding channel is the same as that of the first feeding channel, and the premixing channel is located in the second feeding channel. One end of the pre-mixing channel is respectively communicated with the discharging ends of the first feeding channel and the second feeding channel, and the other end of the pre-mixing channel is communicated with the mixing reaction area. According to the microreactor, in the feeding process, two kinds of fluid cannot collide, mutual influence of the two kinds of fluid due to large flow velocity difference is avoided, and compared with the prior art, premixing of the two kinds of fluid is better facilitated, so that the premixing effect and the uniformity degree of the two kinds of fluid are improved, and subsequent full mixing reaction of the two kinds of fluid is better facilitated.
Owner:NANJING MAISHENG TECH CO LTD

Adjustable portal frame supporting system and using method

The invention provides an adjustable portal frame supporting system and a using method, and belongs to the technical field of constructions.The adjustable portal frame supporting system comprises a supporting structure, the supporting structure comprises a center sleeve, a plurality of inclined supporting rods and horizontal supporting rods are arranged on the outer side of the center sleeve in a circumferential array mode, and outer supporting sleeves and automatic leveling structures are welded to the outer ends of the horizontal supporting rods; the automatic leveling structure is installed at the bottom end of the outer supporting sleeve and comprises a hydraulic push rod, a top plate and a leveling piece, the sensor feedback system is used for monitoring the use state and the horizontal state of the supporting system, and the control system is used for automatically adjusting the automatic leveling structure. The topological graph generation module is used for creating a topological relation graph of supporting points by using data monitored by the sensor feedback system, and representing mutual influence and connection relations among the points. The problems that a traditional portal frame is fixed in structure, inconvenient to adjust and limited in use scene are solved.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD