35results about How to "Reduce hidden risks" patented technology

The invention discloses a wireless safety authentication method orienting to a mobile terminal. The traditional mobile terminal is lower in both computing power and safety. According to the invention, a Diffie-Hellman safety key exchange algorithm, a digital certificate technology and a DES (Data Encryption Standard) symmetric cryptographic algorithm are used, and a local certificate authentication technology, a secondary logon technology and a timestamp technology are combined. The wireless safety authentication method comprises the steps of: firstly, registering by the mobile terminal for the first time; and then, performing local authentication on a user identity certificate and logging on an authentication server by the mobile terminal, thereby realizing the functions of registering in and logging on the authentication server by the mobile terminal in a wireless network. The wireless safety authentication method has the advantages of strong safety, simpleness in oerpation and the like and provides a new reliable method for access intranet resources by the mobile terminal.

The invention discloses a charging gun heat exchange structure and a charging gun. The charging gun heat exchange structure comprises a heat exchange groove formed in the charging gun head; the heat exchange groove is connected with a liquid inlet pipe and a liquid outlet pipe; main wire terminals and a ground wire terminal pass through the heat exchange groove; a coolant which flows from the liquid inlet pipe flows through the heat exchange groove to perform heat exchange with the main wire terminals and then flows out of the liquid outlet pipe; the main wire terminals are set to be electrically isolated from the coolant in the heat exchange groove; and the ground wire terminal is set to be in electrical contact with the coolant in the heat exchange groove. By adoption of the charging gun heat exchange structure, the risk hidden danger caused by coolant leakage can be greatly lowered.

The invention discloses a method for predicting ammonia nitrogen concentration in an anaerobic fermentor under a backflow process. The method can easily predict dynamic change of the ammonia nitrogen concentration in the fermentor with the increase of backflow time through a formula yn=H<n>*y0+T*a0*[( H<n>-1) / (H-1)] according to active volume of the fermentor, feeding and discharging volume per time, biogas slurry backflow ratio, feeding material organic matter nitrogen content and ammonia nitrogen concentration in the fermentor at the period of backflow beginning stable fermentation. The method has the advantages of being simple and reliable, can better predict the dynamic change trend of the ammonia nitrogen concentration under the backflow process, and provides a mathematical analysis tool for preventing ammonia inhibition in the fermentor.

The invention discloses a short-term power consumption load prediction method, which comprises the steps of collecting historical environment data and historical load data of short-term power consumption, preprocessing the collected data, and dividing the data into a training set sql1 and a test set sql2 of the historical short-term power consumption data; building a GRULight GBM (Geographic BlockManagement) model, wherein the input quantity of the GRU neural network model is short-term power consumption environment data, the output quantity of the GRU neural network model is GRU predicted power consumption load Ep1, the input quantity of the LightGBM model is the short-term power utilization environment data and the GRU predicted power utilization load Ep1, and the output quantity of theLightGBM model is the LightGBM predicted power utilization load Ep2; adopting a training set sql1 to train the GRU-LightGBM model; adopting a test set sql2 to verify that the model training is completed; inputting the power utilization environment data of the to-be-predicted power utilization load period into the trained GRU-LightGBM model, and taking the outputted LightGBM prediction power utilization load Ep2 as a prediction result of the short-term power utilization load. According to the method, a LightGBM and GRU model fusion method is adopted, various environmental influence factors areintegrated, and the short-term power consumption load can be accurately predicted.

The invention relates to a hidden stem valve opening indicator which comprises a sleeve. A cavity is formed in the sleeve. A cavity head is placed in the sleeve. A thread is arranged on the inner wall of the cavity head. A transmission rod is screwed into the cavity head. The transmission rod is connected with a connecting column which extends out of the sleeve and is provided with an inner square head. A through hole is formed in the portion, at the other end of the cavity head, in the sleeve and is an indication hole. An indicator rod is inserted into the indication hole of the sleeve and connected with the cavity head. A locating key groove is formed in the outer wall of the cavity head. A locking screw is inserted into a locating hole formed in the sleeve. The lower end of the locking screw abuts against the locating key groove. By the adoption of the technical scheme, opening and closing of a valve can be judged fast and easily, time for a site operator to judge the opening and closing state of the valve is shortened, under the emergency circumstances, risks and hidden danger are reduced, and construction safety is further guaranteed.

The invention discloses a method for active security defense of an SDN network based on information entropy calculation. The method comprises the following steps: S01, inputting traffic; S02, calculating an information entropy, defining a destination address information entropy threshold, and judging the entropy of the network flow and the data size of the destination address information entropy threshold; S03, judging an entropy value; S04, producing a forwarding table; S05, processing the traffic. In the present invention, according to the SDN network active security defense method, information entropy calculation is carried out on network traffic; the defects in the existing network security equipment deployment architecture can be avoided; the real-time forwarding efficiency of the network is improved; according to the SDN network security defense method and system, the unreasonable topological structure of the network is eliminated, so the single fault of the network is eliminated, the risk hidden danger of the network is reduced, the forwarding traffic table can be customized, the abnormal flow is processed, and the abnormal traffic in the SDN network is actively identified and processed through the calculation of the information entropy, thereby achieving the purpose of active network security defense.

The invention relates to a self-acceptance technology detection and classification method based on multi-method ensemble learning. The method comprises the following five steps: preprocessing featurewords; selecting the first k most useful features to train a classifier; training corresponding sub-classifiers by using a naive Bayes polynomial method and a linear Logistic regression method; and performing integrated prediction on the prediction result through a sub-classifier voting rule to obtain accuracy, a recall rate, comprehensive accuracy and a recall rate, and finally calculating an F1value as a subsequent evaluation standard. And finally, the features which frequently appear in the experiment process and have high information gain values are clustered through a clustering method,so that the detected technical debts are classified.

The invention discloses a device for synchronously detecting blood sugar and injecting insulin. The device comprises a syringe, the syringe comprises a needle and a syringe tube with one end connectedto the needle, the front end of an inner cavity of the syringe tube is provided with a front piston including a front piston insert, the front piston insert is a check valve A from the rear to the front, the inner cavity at the other end of the syringe tube is provided with a rear piston, a rear cavity is formed between a rear piston and the front piston, the rear cavity is filled with the insulin, and the rear piston is connected with a piston driving device; a check valve B from the inside to the outside is disposed at the bottom of the front end of the inner cavity of the syringe tube, anda plasma blood sugar detecting device is disposed at the outer end of the check valve B. The device can perform blood sugar detection and insulin injection by one-time needling.

The invention discloses a digital intelligent tensioner for a pumping unit belt. The digital intelligent tensioner for the pumping unit belt comprises a contact monitoring part, a signal transmission part, a lifting part and a control module, the contact monitoring part is used for monitoring the tightness of the belt, the signal transmission part is used for transmitting a signal monitored by the contact monitoring part to the control module, the lifting part is used for adjusting the tightness of the belt, wherein the contact control part comprises a load sensor, the signal transmission part comprises an RS485 module, and the lifting part comprises a motor and a lifter in shaft connection with the motor. The digital intelligent tensioner for the pumping unit belt is high in intelligent degree and strong in functionality and can be widely applied to the technical field of pumping units.

The invention relates to a design method of an anti-shaking device for an upper-stage storage tank of a liquid rocket. Comprising the following steps: determining a target shake damping value; preliminarily estimating the damping size; the width of the anti-shaking plate is designed and adjusted, so that the corresponding damping magnitude is obtained; performing shake simulation analysis on the VOF multiphase flow through fluid simulation calculation software to obtain exact shake damping; the maximum shaking force is selected through shaking force data output through simulation, and a spring is selected. The anti-shake device has the advantages that high and stable shake damping can be provided within a wide liquid level range only through one anti-shake plate, the anti-shake device is simple and reliable in structure and easy to assemble, the mass of the anti-shake device is reduced, the carrying capacity of a rocket body is improved, weld joints are reduced, and the safety of an upper-stage storage tank is improved; and the design is quicker, the rapid iteration requirement is met, and the movable anti-shaking plate can be adjusted according to the requirement to meet different task requirements.

The invention relates to the field of iron and steel smelting, in particular to a method for preventing slag bonding of a blast furnace refractory lining. The method comprises the following steps that S1, river sand and coke powder are uniformly mixed and aired to obtain a protective material; S2, impurities on the surface of the refractory lining are removed, and a damaged position of the surface of the refractory lining is repaired; S3, a heat preservation layer with a height of 3 cm to 15 cm and a width of 35 cm to 60 cm is laid on the periphery of the refractory lining by means of a subpackaged heat preservation agent; S4, a protective layer with a lower end width of 25 cm to 45 cm and an upper end width of 5 cm to 25 cm is laid on the heat preservation layer in S3 by means of the protective material obtained through mixing in S1, the lower end of the protective layer makes contact with the heat preservation layer, and the top end of the protective layer is flush with the center line of an iron notch hole channel; and S5, an iron notch is drilled and then plugging operation is conducted. The method can effectively reduce risk hidden dangers of mortar leakage during plugging and incapability of plugging a notch, meanwhile reduces the damage of slag iron to the refractory lining, prolongs the service life of the refractory lining, saves the cost, and also reduces the workload of a furnace front iron notch worker.

The invention discloses integrated system equipment for treating drilling oil-based slurry rock debris by a cement kiln. The integrated system equipment for treating drilling the oil-based slurry rock debris by the cement kiln comprises a drilling oil-based slurry rock debris storage integrated unit, a coarse separation integrated unit, a fine separation integrated unit, a kiln entry pretreatment integrated unit, a waste gas treatment integrated unit, a waste water treatment integrated unit and an integrated control unit. The integrated system equipment for treating drilling the oil-based slurry rock debris by the cement kiln has the advantages of equipment miniaturization, high integration level, high automation degree, little influence on a collaborative cement production system, high device operation reliability, capability of effectively controlling secondary pollution, low harmless treatment cost and high resource comprehensive utilization rate. The integrated system equipment for treating drilling the oil-based slurry rock debris by the cement kiln adopts standardized, automated, integrated and skid-mounted design, improves the collaborative automation degree of a hazardous waste treatment and cement production system, simplifies the treatment process flow, improves the treatment efficiency of hazard waste, reduces consumption of natural resources and environmental pollution, reduces hazard waste treatment operation risk and environment risk and reduces the comprehensive treatment cost.

The invention discloses a novel building zoning, pressure division and quality division water supply process. The process comprises a secondary water supply system, a pipe network system and a water purification system; the process comprises the following steps that a) raw water is pretreated by the secondary water supply system, and the raw water is firstly subjected to disinfection, filtration and secondary pressurizing and then is conveyed to a domestic water supply pipeline through a pipeline of the pipe network system; b) a plurality of branch pipelines are arranged on one side of the domestic water supply pipeline, and control valves are arranged on the branch pipelines and used for conveying domestic water to domestic water pipelines of all users; and c) the other end of the domestic water supply pipeline is connected with water purification equipment of the water purification system, the output end of the water purification equipment is connected with a direct drinking water pipeline through the pipe network system, the direct drinking water pipeline is connected with a water distributor, and direct drinking water is conveyed to an indoor direct drinking water faucet of a user through the water distributor. According to the process, an economical, effective and convenient-to-manage water supply mode for supplying the domestic water and the drinking water by means of different pipelines is finally realized.

The invention belongs to the technical field of PTA production, and particularly relates to a residual liquid recovery system of a PTA hydrogen recovery device. The residual liquid recovery system comprises a residual liquid discharging tank and is further provided with a residual liquid recycling tank, and the residual liquid discharging tank is connected with the residual liquid recycling tank through a residual liquid main pipeline; a residual liquid conveying pump is arranged on the side surface of the residual liquid recycling tank, and residual liquid is conveyed to a PTA production oxidation device through the residual liquid conveying pump; and the residual liquid recycling tank is also provided with a liquid level meter, a gas phase emptying pipeline, an overflow discharge pipeline, a field pressure gauge and a tank bottom discharge valve. The residual liquid recovery system can solve the problem of existing residual liquid recovery, has residual liquid flow continuous controllability and constant temperature anti-freezing performance, eliminates the possibility of hydrogen gathering explosion from the source, and greatly reduces the possibility of environmental pollutioncaused by manual operation and the volatility of toxic and harmful substances under non-closed conditions.

The invention discloses an integral machining method of a Z-shaped reinforcement cage of a diaphragm wall. The integral machining method comprises the following steps that lower-layer L-shaped horizontal bars are laid, and longitudinal reinforcements are welded to on the inner sides of the lower-layer L-shaped horizontal bars except the upper parts of vertical sections of the lower-layer L-shaped horizontal bars; upper-layer linear horizontal bars are welded on the vertical sections of the lower-layer L-shaped horizontal bars, and longitudinal reinforcements are welded on the inner sides of the upper-layer linear horizontal bars except one sides, close to the vertical sections of the lower-layer L-shaped horizontal bars, of the upper-layer linear horizontal bars; lower-layer linear horizontal bars are welded at the junction of the vertical sections of the lower-layer L-shaped horizontal bars where the longitudinal reinforcements are welded and the junction of the vertical sections of the lower-layer L-shaped horizontal bars where the longitudinal reinforcements are not welded, and longitudinal steel bars are welded on the inner sides of the lower-layer linear horizontal bars except the horizontal sections of the lower-layer L-shaped horizontal bars and the same sides of the upper-layer linear horizontal bars; and upper-layer L-shaped horizontal bars are welded, and longitudinal reinforcements are welded on the inner sides of the upper-layer linear horizontal bars except one sides, close to the horizontal sections of the lower-layer L-shaped horizontal bars, and the Z-shaped reinforcement cage of the diaphragm wall is obtained.

The invention discloses an electric-control hydraulic special electric pole clamp which comprises clamping mechanisms, a rotary bearing, a swing joint and a main rack. The clamping mechanisms are arranged on the side portions of the two ends of the main rack, and the rotary bearing is fixed to the outer wall of the upper surface of the middle of the main rack. A cycloid motor for driving the rotary bearing to move forwards and backwards is fixed to the outer side of the middle of the main rack. A rotary connector is arranged at the center of the rotary bearing in a sleeved mode, and the lower end of the rotary connector is fixed to the main rack. The swing joint is fixed to the upper end of the rotary connector, an electromagnetic valve set is fixed in the swing joint, and the output end of the electromagnetic valve set is communicated with an oil inlet of the cycloid motor through an oil pipe. The electric pole clamp has high compatibility, and the electric pole installation convenience and efficiency are effectively improved.

The invention provides a health risk management method and terminal, and the method comprises the steps: S101, obtaining the medical information and health information of a target person, and forming a health portrait of the target person according to the medical information and health information; S102, establishing a health feature library of the target person according to the health portrait; S103, evaluating the health state of the target person through the health feature library, and reminding a manager associated with a preset condition when the health state meets the preset condition. According to the invention, the health state of the target person can be automatically monitored, the sick person can be quickly discovered, the sick person can be quickly treated and processed, the problem of late discovery of the target person is solved, the risk hidden danger is reduced, the health state of the target person can be accurately judged, and the problem of false disease reporting of the target person is solved. And the prison safety and the normal order of the litigation process are maintained.

The invention provides a power distribution control method for low-voltage direct-current power distribution equipment and a power distribution device, and relates to the technical field of low-voltage direct-current power distribution. The power distribution control method for the low-voltage direct-current power distribution equipment and the power distribution device comprise the following steps that S1, current and voltage can be monitored in real time through a circuit monitoring module in a circuit protection device, and data monitored by the circuit monitoring module can be transmitted to a display control module through a signal transmission module; circuit current data and voltage data monitored by the circuit monitoring module can be displayed through the display control module, real-time circuit data and theoretical circuit data can be compared through the data comparison module, and difference data after comparison is transmitted to the display control module through the signal transmission module. And compared data difference values can be displayed in a table form through the display control module, so that related personnel can conveniently check the data difference values, the circuit safety is guaranteed, and the risk hidden danger is reduced.

The invention relates to the technical field of risk control management, in particular to an insurance accurate risk control, management, intelligent customer service and marketing system based on a big data database and algorithm. The system comprises a technical support unit, a data model unit, a user management unit, a risk control management unit and a security application unit; the technical support unit is used for providing various intelligent technologies for supporting system operation; the data model unit is used for building a risk prediction model and learning; the user management unit is used for managing user personnel; the risk control management unit is used for identifying, controlling and managing various risk factors; and the security application unit is used for performing security management on the insurance service. According to the method, information islands are broken through, and the risk of personnel behaviors can be effectively reduced; meanwhile, risk types in different insurance types can be quickly identified and predicted so as to control and make decisions; in addition, the risk control cost can be reduced, the risk control effect can be improved, the risk control efficiency can be improved, the risk control process can be simplified, the risk hidden danger can be reduced, and the benefits of insurance users and insurance companies can be effectively guaranteed.

The invention provides a distributed network asset scanning detection platform and a scanning detection method. The platform comprises a distributed network asset scanning detection subsystem constructed based on a Kafka distributed message publishing and subscribing system; the distributed mass data elastic access subsystem is constructed on the basis of an ElasticSearch distributed mass data storage and retrieval system; the Web Server server side is written on the basis of a Flask framework, an elasticsearch 6 framework, a kafka-python framework and a pymysql framework by utilizing a Python programming language, the Web Server server side is connected with the distributed network asset scanning and detecting subsystem, and the distributed network asset scanning and detecting subsystem is connected with the distributed mass data elastic access subsystem; a MySQL database, wherein the Web Server server side is connected with the MySQL database by utilizing a pymysql framework; and the Web page is constructed by utilizing a Vue framework, and the Web page is connected with the Web Server server side. Through the technical scheme of the invention, scanning and detection of network assets are realized, the parallelization degree is high, and the efficiency of processing large-scale scanning and detection tasks is high.

The invention provides a method for controlling wall thickness of a hollow pipe. The method comprises the following steps that the outer surface and the inner surface of the hollow pipe are detected, outer concave points on the outer surface and inner concave points on the inner surface are found, pressing is carried out on the positions, corresponding to the inner concave points, of the outer surface of the hollow pipe, and turning is carried out on the outer surface of the hollow pipe. According to the control method, the uniformity of the wall thickness of the hollow pipe is guaranteed, the method is simple, operation is convenient and fast, the service life of the hollow pipe can be prolonged, deviation or bending of the hollow pipe caused by the wall thickness difference problem in the using process is reduced, and potential risks in the using process are reduced.

The invention provides a high-property high-safety acid pickling hanging belt. The high-property high-safety acid pickling hanging belt is formed through lamination sewing of an upper layer belt, a middle layer belt and a lower layer belt; the number of weaving warp of the upper layer belt is 801, and the density of weft is 8 shuttles; the number of weaving warp of the middle layer belt is 801, and the density of weft is 8 shuttles; the number of weaving warp of the layer belt is 1000, and the density of weft is 8 shuttles; the weaving warp of the upper layer belt, the middle layer belt and the lower layer belt is acidproof warp, and the weft is acidproof weft; the acidproof warp is formed through twisting and stranding of polypropylene fiber silk, polyester silk, nylon silk and mixed silk, and the acidproof weft is formed through twisting and stranding of basalt fiber spinning yarn, nylon silk and mixed silk; firstly, through multi-layer lamination sewing, the safety coefficient is improved, more heavy lifting objects can be lifted, and safety work force is improved; through combination of different acidproof materials, the good whole acidproof property is formed, under long-timeacid corrosion, identification is easy, and the hidden risks are reduced.

The invention discloses washing separation and extraction equipment and method for powder-containing waste fibers. The equipment comprises a rack with groove, a conveyor device mounted in the groove and used for conveying powder-containing waste fibers, and a stirring device device arranged above the groove, used for stirring water in the groove, and rotationally connected with the rack. By the equipment and method, powdered binders can be separated and extracted from the powder-containing waste fibers and the extracted powder can be recycled further; meanwhile, the waste fibers separated fromthe powdered binder can be returned to a kiln to be melted for recycling; thus, problems of difficulty in treating the powder-containing waste fibers and long-term large occupation of floor are solved effectively, backfiling is reduced, and risks to environment protection are also reduced.