31results about How to "Have continuity" patented technology

The invention discloses a method for evaluating a vulnerability node of an electric cyber-physical system based on an undetectable information attack pre-warning technology. A partial model of the electric cyber-physical system is generated according to a physical topological graph of an electric power system in the electric cyber-physical system, pre-warning of an undetectable information attack under a general information attack and topology condition is analyzed and the damage of the attack is evaluated, and the potential risk of the ECPS is perceived in advance to obtain a more accurate analysis result, so that a grid company can evaluate the running state of the ECPS from a global perspective and the protection for a vulnerability link is enhanced timely to protect the ECPS to run safely and stably. Pre-warning of a multi-node information attack is realized based on analysis of a single-node information attack. In addition, the information attack in the real system often has continuity, the method adds prediction of a continuity information attack on the basis of analysis of an instantaneous information attack, and the overall vulnerability of nodes and the ECPS is evaluated. A technical framework of the invention is more comprehensive.

The invention discloses an information processing method, a client and a server. The method comprises the steps of loading and playing first multimedia information to obtain a first video display page, wherein the first video display page is composed of at least one video frame; detecting whether a specified video frame carrying preprocessing identification information exists in the at least one video frame to obtain a judgment result; when the judgment result indicates the existence of the specified video frame, obtaining a play time of the specified video frame, and when the play time satisfies a preset condition, determining an insertion position used for playing second multimedia information; extracting key information corresponding to the second multimedia information in the specified video frame; reporting parameter information that at least contains the key information; and receiving the second multimedia information corresponding to the key information, and loading and playing the second multimedia information at the play position to obtain a second video display page.

The invention relates to the field of gas sensor measurement, in particular to a gas sensor overlapped block temperature and humidity intelligent self-calibration method, which comprises the following steps: S1, measuring the resistance of a gas sensor under different temperature, humidity and concentration conditions; s2, acquiring a change rule of response resistance and each variable; s3, roughing abnormal points; s4, overlapping and blocking the data according to the change rule of the data along with temperature, humidity and concentration; s5, performing multiple linear regression on each data block; s6, repeatedly and finely selecting abnormal points and iteratively correcting the abnormal points; s7, performing multiple linear regression on the corrected data block; s8, establishing a temperature and humidity compensation expression of the concentration through inverse operation; s9, importing a plurality of compensation expressions of the same kind of sensors into the microcontroller, obtaining a plurality of predicted values, and taking the average value of all the predicted values as the calibration result of the gas sensor. According to the method, the temperature and humidity real-time intelligent self-calibration of the gas sensor is realized.

The invention provides a wind speed modeling method based on time correlation. Firstly, historical wind speed data of a wind power plant are obtained; and analyzing historical wind speed information of the wind power plant, determining a Weibull distribution model according to the wind speed distribution information, concluding a wind speed change rule according to the wind speed change quantity information, defining a wind speed time correlation concept according to the wind speed change rule concluded by the wind speed change quantity information, and calculating by using the following pointof wind speed distribution. In the calculation process, the wind speed distribution condition of the next point with the basic point as the reference is jointly calculated in combination with the obtained wind speed distribution and wind speed time correlation, and random numbers are selected through sampling so that the value of the point can be determined according to probability randomness under the distribution. Wherein the calculated basic point is an end point in the sequence before the calculation is carried out at the time. After calculation and sampling are completed, whether the number of the data contained in the sequence meets the requirement or not is judged so as to determine whether to continue to circulate or output the data, and finally the wind speed model based on timecorrelation is obtained.

The invention discloses a cable climbing operation device for an overhead transmission line. The cable climbing operation device comprises an electric cabinet, a clamping unit, a traveling unit, a rotating unit and an operation unit. The electric cabinet is used for control of power output mechanism in each unit and transmission of detection signals, the clamping unit is used for clamping of an overhead transmission line and hanging of the whole cable climbing device on the overhead transmission line, the traveling unit is arranged on the clamping unit and is used to drive the clamped cable climbing device to travel in the length direction of the overhead transmission line, the rotating unit is used for driving the rotation of the operation unit, and the operation unit is installed at thepower output end of the rotating unit and used for maintenance operation of the overhead transmission line. According to the invention, through the bilateral clamping of the overhead transmission line, a better cable holding friction state can be obtained, the cable climbing operation device is better suitable for cables with different wire diameters, better achieves the wire hanging effect on theoverhead transmission line, can bear large wind power and can keep the good stability.

The invention relates to a berry tea frying machine. The berry tea frying machine comprises a feeding hopper, a pot, a heating element and a tea discharging port, wherein the feeding port is arranged above the head portion of the pot, the tea discharging port is formed under the tail portion of the pot, and the heating element is arranged at the bottom of the pot; the inside of the pot is provided with a spindle and a rubbing and scattering mechanism, and the scattering mechanism is composed of a rubbing plate, a scattering rod, a sweeping plate and stirring nails; the spindle is driven by a spindle driving motor and a belt mechanism, the rubbing plate, the scattering rod and the sweeping plate are sequentially arranged on the spindle, the stirring nails are vertically arranged onto the inner wall of the pot, the rubbing plate is in an arc shape, the scattering rod is provided with scattering nails, and the scattering nails and the stirring nails are arranged in a staggered mode. The invention also discloses a new production process. The new production process is composed of the steps of washing, airing, frying, pile fermentation, stirring, drying, flavoring and the like, obtains continuity and achieves mass continuous production, and due to the fact of being close to manual production processes, can obtain high-quality berry tea and high economic value after technical parameters are set.

The invention relates to the field of mine fire, gas and derived disaster protection equipment, in particular to a suspended track type movable fire-extinguishing explosion-proof device. The device comprises a motion execution system, wherein the motion execution system is suspended on a track and can move along the track; a carrier, wherein the carrier is arranged in the motion execution system,a cavity is formed in the carrier, and an openable box door is arranged at the bottom side of the carrier; and a fire extinguishing system, wherein the fire extinguishing system comprises a fire extinguishing agent heat preservation layer arranged in the cavity. The suspended track type movable fire-extinguishing explosion-proof device of the invention can monitor the conditions of gas concentration, temperature and the like in a mine in real time; after detecting that a fire occurs in the mine, fire extinguishing treatment is carried out through the stored dry water-carbon dioxide hydrate fire extinguishing agent; and after the fire extinguishing treatment, if the gas concentration in a roadway is too high, a self-suction explosion-proof system is started to suck the gas into the storagecavity to form hydrate with the water solution, so that the concentration of the gas in the roadway is reduced, and gas explosion in the mine is avoided.

The invention discloses a novel rail system, which includes an assembled rail plate and an elastic rail locking system in a groove. The assembled rail plate comprises a rail plate body 1 and a prefabricated rail supporting table 2, and the prefabricated rail supporting table 2 is detachably mounted on the rail plate body 1 and forms a rail supporting groove together with the rail plate body 1; andthe elastic rail locking system is arranged in the rail supporting groove. The novel rail system has the beneficial effects that the rail supporting groove is realized by assembling and has the structural characteristics of continuous supporting and continuous locking; during construction, steel rail moving flash welding can be realized, and the construction efficiency is improved; and the prefabricated rail supporting table can be removed when a steel rail is replaced, the operating space is increased, the steel rail in the rail supporting groove is conveniently pulled out, and the maintenance efficiency is improved.

The invention belongs to the field of pipe machining, and particularly relates to a continuous numerical control pipe bending machine which comprises a machining box, wherein a cutting groove is formed in the top of an inner cavity of the machining box, a vertical cutting blade is slidably connected to the top of the inner cavity of the machining box through the cutting groove, a movable sleeve arm is fixedly connected to the top end of the vertical cutting blade, auxiliary shaft rods are slidably connected to the two ends of the inner wall of the movable sleeve arm correspondingly, the rear ends of the auxiliary shaft rods are fixedly connected to the front face of the outer surface of the machining box, and thrust motors are fixedly connected to the front faces of the outer surfaces of the auxiliary shaft rods. Due to the fact that the steel pipe is bent through the torque device, the steel pipe can be machined into an annular pipe and even a bent pipe with a more special angle, the shape and the bending angle of the steel pipe are more than those of a steel pipe machined through a common pipe bending machine, and the machined pipe body flies out of the torque device under the inertia effect and is thus thrown into a collecting device beside, to complete automatic collection of the steel pipe, so that the device has continuity.

The invention belongs to a part material of a novel tobacco product and provides a one-step formed plant polysaccharide and cigarette tow composite cooling section material and a preparation method thereof. The cooling section material is prepared by heating and mixing starch, auxiliary polysaccharide, cigarette tow fragments and water to form a plant polysaccharide and cigarette tow mixed material, and then extruding the plant polysaccharide and cigarette tow mixed material through an extrusion bulking machine to obtain the plant polysaccharide and cigarette tow composite cooling section material. Under the conditions of high temperature, high pressure and high shearing force, materials are sprayed out from a die hole with a specified diameter, moisture is suddenly vaporized under the action of strong pressure difference, the materials form a loose and porous structure, and the materials are obtained through slitting. The middle of the cooling section material is hollow, the periphery of the cooling section material is of a porous sponge type structure, flue gas can pass through the cooling section material conveniently, flue gas adsorption can be achieved, the raw materials are high polymer materials, have high energy storage modulus and can generate phase change heat absorption at a certain temperature, when flue gas passes through the cooling section material, the flue gas can be cooled, and due to the fact that the raw materials are all renewable resources, the finished product has degradability and is an environment-friendly material.

The invention belongs to the technical field of medical blood collection, and particularly relates to a blood collection pipe storage device and conveying device. The blood collection pipe storage device and conveying device comprises a storage device, a feeding mechanism, a marking mechanism and a conveying device body, wherein the storage device is arranged on one side of the front end of the conveying device body, the feeding mechanism is arranged at the upper part of one end, close to the conveying device body, of the storage device, and is partially suspended on upper part of the front end of the conveying device, and the marking mechanism is arranged on one side of the storage device. According to the blood collection pipe storage device and the conveying device, a blood collection pipe storage device, a moving-out mechanism, the marking mechanism and the conveying device body are combined together, so that the automation of moving out, marking and conveying of vacuum blood collection pipes is realized, the generation of errors is avoided, and the working efficiency is improved.

The invention relates to a harmonic data evaluation mode based on an energy management monitoring system. The harmonic data evaluation mode comprises the steps: (1) monitoring data of harmonic waves and electrical loads are obtained from an intelligent electric meter; (2) a harmonic data dereferencing model is built for distinguishing deviations caused by a transient phenomenon and harmonic waveswith high load change; (3) a data storage model is built for decreasing the data storage capacity; and (4) a harmonic evaluation model is built for showing the harmonic condition under the current state. The harmonic data evaluation mode has the beneficial effects that through front-end processing, data points required for needed evaluation are reduced, the system data uploading frequency is lowered, and the data storage capacity of the energy management monitoring system is decreased; the harmonic evaluation deviations caused by the conditions such as the data uploading packet loss, differentmeasuring times of the intelligent electric meter, and different collecting device data uploading periods can be reduced; and the harmonic evaluation index has continuity, and the evaluation result cannot be changed greatly due to the working condition change.

The invention belongs to the technical field of password keyboard password input, and particularly relates to an anti-theft method based on dynamic construction of a virtual password. The anti-theft method comprises the steps that after a terminal system is started, a user is prompted to input a password; the terminal system randomly generates a virtual guide code according to the length of the original password, wherein the virtual position of the virtual guide code is selected at any position of the real password number; the terminal system indicates the virtual guide code to the user; the user inputs a virtual password and a real password which meet the requirements by referring to the indication of the virtual guide code; the terminal system verifies the virtual password according to the virtual guide code; and after the terminal system verifies the virtual password, the input real password is extracted, and verification is conducted. According to the invention, the user is guidedto carry out the virtual password operation through the dynamically generated virtual guide code, so that the discontinuity of the real password is realized, and the security of the password is improved.

The invention discloses an engineering pile length batch pre-judgment method based on a BIM technology. The method comprises the steps that a bearing stratum model is established through Revit software based on a geological exploration report; a pile foundation model meeting the design requirement is established, wherein the pile foundation model comprises parameters of the pile diameter, the pile length h1 and the parameter ID; under the same coordinate system, the bearing stratum model and the pile foundation model are integrated; collision detection is performed on the bearing stratum model and the pile foundation model in Navisworks, and thus calculating pile bottom elevations and actual pile lengths in batches by utilizing collision coordinates of a collision report and combining design requirements; and the calculated actual pile length parameters are returned to the pile foundation model in batches, the pile foundation model is automatically modified, and pile foundation construction is guided. By adopting the method, the pre-judgment efficiency and calculation precision of the pile length of the engineering pile can be greatly improved through common BIM software and office software, accurate construction deployment and material preparation are facilitated, the construction process is accelerated, and the cost is controlled.

The invention discloses a fabricated group frame mounting structure of a decorative component. The fabricated group frame mounting structure comprises a curtain wall main body, a connecting cantilever piece and a decorative frame assembly; the curtain wall main body comprises a curtain wall vertical column, and the two ends of the connecting cantilever piece are connected with the curtain wall vertical column and the decorative frame assembly correspondingly; the decorative frame assembly comprises a group frame piece and a connecting hanging piece, the group frame piece is a hollow frame body, and the back side of the group frame piece is provided with a back plate mounting space and a back plate inserting groove; and the two sides of the group frame piece are provided with transferring notches correspondingly, and the two ends of the connecting hanging pieces are connected and fixed to the group frame piece and the connecting cantilever piece correspondingly. According to the fabricated group frame mounting structure, a group frame cantilever structure is utilized, thus the whole component has the needed rigidity, and an exterior structure is hung outwards to form the effect of being suspended on the outer side of a curtain wall; and the structure of the group frame piece is designed according to the cantilever structure and is convenient to mount and connect, a plurality of sections of group frame pieces are continuously connected through transferring notches in the two sides, the situations, such as external bumps and breaking openings, adverse to beauty are avoided, no exposed connecting piece exists in the overall appearance, and thus the building quality is advantageously improved.

The invention belongs to the technical field of wire-drawing die polishing machining, and particularly relates to a line polishing machine used for a wire-drawing die. The line polishing machine used for the wire-drawing die comprises a rack, a positioning die holder, a rotating driving module and a deflection adjusting module; the deflection adjusting module comprises a crankshaft, a deflection power source and an eccentric adjusting plate, an eccentric hole is formed in the eccentric adjusting plate in a penetrating mode so that an eccentric section of the crankshaft can be sleeved with the eccentric adjusting plate in a hooped mode, and the eccentric adjusting plate is sleeved with a fixing ring; the outer wall of the fixing ring extends outwards in the radial direction to form a deflection rod, and an extending end of the deflection rod is eccentrically hinged to a rotating shaft; the deflection adjusting module further comprises an outer adjusting sleeve; and a radial adjusting groove is formed in the outer plate face of the eccentric adjusting plate, a guide sliding block is arranged on the inner end face of the outer adjusting sleeve, and the guide sliding block and the radial adjusting groove form a sliding rail guide fit relation. According to the line polishing machine used for the wire-drawing die, an angle between the axis of the wire-drawing die and the axis of a tool metal wire can be adjusted continuously, conveniently and reliably, and finally, the purpose of wire-drawing die inner hole machining with high efficiency, high quality and convenience is achieved.

The present invention relates to an arbitration method and device for vehicle alarm information display, and a storage medium, which take the current alarm reminding content as feedback information to participate in new arbitration calculation, thereby ensuring that the alarm reminding is relatively single, and the duration can meet the response time requirement of a driver. According to the invention, in the alarm queue to be displayed, the alarm sources with the priority ranks located at the first two positions have opportunities to obtain the display opportunities, and the display time of each alarm message is usually not less than the preset alarm message duration minimum period.

The invention belongs to the technical field of wire-drawing die polishing machining, and particularly relates to a deflection adjusting device used for wire-drawing die line polishing. The deflection adjusting device used for wire-drawing die line polishing comprises a crankshaft, a deflection power source and an eccentric adjusting plate, wherein an eccentric hole is formed in the eccentric adjusting plate in a penetrating mode so that an eccentric section of the crankshaft can be sleeved with the eccentric adjusting plate in a hooped mode, and the eccentric adjusting plate is sleeved with a fixing ring; the outer wall of the fixing ring extends outwards in the radial direction to form a deflection rod, and an extending end of the deflection rod is eccentrically hinged to a rotating shaft; the deflection adjusting device further comprises an outer adjusting sleeve; and a radial adjusting groove is formed in the outer plate face of the eccentric adjusting plate, a guide sliding block is arranged on the inner end face of the outer adjusting sleeve, and the guide sliding block and the radial adjusting groove form a sliding rail guide fit relation. The deflection adjusting device used for wire-drawing die line polishing can match an existing structure of an existing wire-drawing die line polishing machine, and the purpose of wire-drawing die inner hole machining with high efficiency, high quality and convenience is achieved.

The invention relates to the field of vacuum arc remelting, and discloses a vacuum arc remelting 3D model for controlling segregation of a high-temperature alloy and a control method, and the vacuum arc remelting 3D model comprises a solidification heat transfer macroscopic model of the vacuum arc remelting high-temperature alloy, a solidification cast ingot microscopic model and a smelting process parameter model; the control method comprises the following steps: step A, establishing a vacuum arc remelting 3D model; step B, simulating process parameters; step C, simulating a smelting process; and D, smelting high-temperature alloy. Based on the vacuum arc remelting 3D model, the vacuum-tight vacuum arc remelting smelting process can be converted into visual operation, and the macro-microstructure of the solidified cast ingot can be visually represented; relatively proper smelting process parameters of the vacuum arc remelting high-temperature alloy are formulated, so that the alloy segregation is reduced, and the metallurgical quality is improved; theoretical basis and engineering guidance are provided for adjustment and matching of smelting process parameters and control of solidification cast ingot structures and smelting quality.

The invention discloses a negative pressure cleaning adjustable bicycle saddle which comprises a saddle plate, a rebound limiting mechanism is fixedly connected to the left side of the top of the saddle plate, sponge cushion bodies are movably connected to the front face and the back face of the right side of the rebound limiting mechanism, and an adjusting mechanism is arranged on the right sideof the top of the saddle plate and located between the sponge cushion bodies. A negative-pressure cleaning mechanism is fixedly connected to the middle of the bottom of the cushion plate, a driving mechanism is in threaded connection with the outer surface of the side, away from the cushion plate, of the negative-pressure cleaning mechanism, the bottom of the sponge cushion body is slidably connected with the cushion plate, and a cleaning through hole is formed in the position, located on the negative-pressure cleaning mechanism, of the top of the cushion plate. The invention relates to the technical field of bicycle cushions. The B-type limiting plate is arranged in the sponge mat body, so that position deviation of a person in use can be effectively limited, comfort is guaranteed, suction is conducted through negative pressure, the internal moisture content is reduced, the safety of clothes of the person is protected, and the sponge mat is convenient to use in rainy days.

The invention provides a safety control method and system for hoisting equipment, and belongs to the technical field of engineering machinery. The method comprises the steps that the hoisting operation stage of hoisting equipment is determined, and the target moving direction of a balance weight in the hoisting operation stage is selected; hoisting operation in the hoisting operation stage is executed, and continuous counterweight movement in the target direction is executed; obtaining a counterweight parameter corresponding to the counterweight movement and a hoisting parameter corresponding to the hoisting operation; and determining whether to execute safety control of the hoisting operation and / or determining whether to execute existing safety control release of the hoisting operation according to the matching degree of the increment size of the counterweight parameter and the increment size of the hoisting parameter. The method is used for safety control of the hoisting equipment.

The invention provides a safety control method and system for hoisting equipment, and belongs to the technical field of engineering machinery. The method comprises the steps that the hoisting operation stage of hoisting equipment is determined, and the target moving direction of a balance weight in the hoisting operation stage is selected; hoisting operation in the hoisting operation stage is executed, and continuous counterweight movement in the target direction is executed; obtaining a counterweight parameter corresponding to the counterweight movement and a hoisting parameter corresponding to the hoisting operation; and according to the matching degree of the actual value of the hoisting parameter and the actual value of the counterweight parameter, whether safety control of the hoisting operation is executed or not is determined, and / or whether existing safety control release of the hoisting operation is executed or not is determined. The method can be used for safety guarantee of hoisting operation.

The invention discloses a mobile terminal video and audio processing method and device, terminal equipment and a storage medium. The method comprises the steps of: monitoring whether the mobile equipment is performing a video and audio call or not; when it is monitored that the mobile device is in the video and audio call, detecting the change of a network signal of the connected base station; comparing the detected base station change value with a preset value; and selecting a video and audio call processing mode according to a comparison result, and processing the video and audio call. The invention aims to compress video and audio calls according to different base station change values, so that the smoothness of the calls is kept to the greatest extent, and the use experience of users is kept.