134results about How to "Address insecurity" patented technology

The invention provides a fault diagnosis method, a fault-tolerant control method and a fault-tolerant control system of an automobile BLDC position sensor. The fault diagnosis method and the fault-tolerant control method are carried out according to a starting stage and a normal speed regulation stage of a motor. At the starting stage, the position of a rotor is judged according to signal jumping of the position sensor, then the fault state of the position sensor is judged, and accordingly the mode of starting the motor is selected. At the normal speed regulating state, the rotor position value is calculated according to the rotor position estimation technology and is compared with a position sensor signal to judge the fault state, and accordingly the rotor position and the motor revolving speed can be verified. A fault-tolerant control module comprises a rotor position observing unit, a position sensor fault diagnosis unit and a fault-tolerant control unit all of which are connected in pairs. According to the fault diagnosis method, the fault state of the position sensor can be accurately judged, the fault-tolerant control method is adopted under the fault state of the position sensor, the normal starting and the speed controlling of the motor can be maintained, and insecurity or other damages caused by accidental sensor fault can be effectively avoided.

The invention discloses an advanced pre-splitting method for lump coal mining. The method with carbon dioxide pre-splitting and hydraulic fracturing combined is adopted, advanced pre-splitting of a working face is carried out on a coal layer needing mining in a multi-segmental mode from near to far in the advancing direction of the coal layer working face. The advanced pre-splitting method for every segment comprises the first step of hole drilling, wherein pre-splitting drill holes are drilled in the current pre-split segment; the second step of carbon dioxide pre-splitting, wherein a carbon dioxide pre-splitting device is installed in each drilled pre-splitting drill hole, the drill holes are sealed, and then pre-splitting is initiated; the third step of installation water injection pipes, wherein each pre-splitting drill hole is internally provided with one high pressure water injection pipe, and the holes are sealed; the fourth step of hydraulic fracturing, wherein water is injected into the pre-splitting drill holes through the high pressure water injection pipes to carry out hydraulic fracturing. According to the method, steps are simple, design is reasonable, the method is easy to implement and good in use effect, the problems that an existing deep hole blasting pre-splitting method is not safe, serious in pollution, high in investment cost, poor in use effect and the like are effectively solved, and the lump coal rate of a fully mechanized coal mining face is improved effectively.

The invention discloses a supply chain finance implementation method based on a block chain technology and a logistics information platform, which relates to the technical field of supply chain finance of logistics information. The method includes the following steps: an Ethereum block chain intelligent contract platform is used as an underlying structure; and an application platform serving a production end, a logistics enterprise end, a logistics platform + bank chain and a client of the logistics industry is built. Based on the characteristics of the block chain technology, cross-business, cross-industry and cross-region supply and demand sides are connected through a logistics information platform to achieve more effective and more suitable matching. Through the block chain intelligent contract technology, the automation of logistics finance and supply chain finance is realized, the work efficiency is improved, the cost of operation is reduced, and more accurate and timely fund transfer is realized.

The invention discloses a portable bank card data processing device, system and method. The portable bank card data processing device comprises a centre processor, a touch IC (Integrated Circuit) card reader-writer which is used for reading and writing data of the inserted IC card, a radio frequency IC card reader-writer which is used for reading and writing the data of the IC card by a manner of non-touching, an IC card safety chip which is used for certifying the data of the IC card read by the touch IC card reader-writer or certifying the data of the IC card read by the radio frequency IC card reader-writer, a storage device which is used for storing the operation system, application programs and IC card transaction information, a communication encryption chip which is used for encrypting the output data and decrypting the input data, a communication model which is used for transmitting the encrypted output data of the communication encryption chip and transmitting the received input data coming from outer part to the communication encryption chip, a keyboard which is used for providing an input interface of the IC card transaction information, a displayer which is used for displaying the IC card transaction information, and a cell. The invention solves the payment information safety problem of bank cards which are applied to remote payment.

The invention discloses a method for stretching a single-tower double-span self-anchored suspension bridge sling of a side-span splay cable knot in a supportless way. The method is characterized by comprising the following steps of: alternately stretching slings at lateral span sides when a main-span sling is gradually stretched from a main tower to a splay cable saddle at a main tower side; firstly stretching a BK-M sling close to a splay cable knot at a lateral span side; then, sequentially and gradually stretching to the side-span splay cable knot; and sequentially and gradually stretching from the BK-M sling to the main tower and upwards pushing a main cable saddle if the deviation of a tower top exceeds a limit in the process. In the method, the characteristic of greater control sling force of a permanent sling close to the side-span splay cable knot is utilized, the vertical displacement of the splay cable knot can be basically controlled after the permanent sling is stretched, the sling force has little increment at a later period, and the whole quantity satisfies the safety requirement. The invention has the advantages of high safety factor, rapidness, convenience, cost saving by saving temporarily fixing facilities, such as a splay cable knot or a temporary sling, and the like.

The invention relates to a glass conveying platform with the glass turnover function. The glass conveying platform comprises a rack and a plurality of conveying rollers arranged on the rack, and the conveying rollers are parallel to one another, form a glass conveying face after being arrayed in the glass conveying direction, and rotate around respective longitudinal axes through a driving mechanism. The glass conveying platform further comprises a turnover mechanism, a control mechanism and a lifting mechanism, wherein the turnover mechanism is used for turning over glass, the control mechanism is used for controlling the turnover mechanism to turn over, and the lifting mechanism is used for moving the glass to the turnover mechanism from the conveying rollers or moving the glass to the conveying rollers from the turnover mechanism. When the glass is loaded or unloaded, the turnover mechanism can turn over by a certain angle so that the turnover angle of the turnover mechanism can be the same as that of one or more lifting tools, then a goods shelf is directly put in or taken out, and the problem that when lifted, the horizontal glass must be turned over by a certain angle and then put into the goods shelf, and the process is unsafe and low in efficiency is solved.

The invention relates to a mine steel wire rope automatic collecting device with a rope discharging function. The mine steel wire rope automatic collecting device is characterized in that the power of an anti-explosive motor is decelerated by a decelerator and is outputted, a torque sensor is arranged, and the power is transferred to a driving shaft to realize the coiling action of a rope disc; a support shaft is fixed by a parallel four-bar linkage mechanism, the parallel four-bar linkage mechanism is rotated to quickly move the support shaft, and the space is provided for the detachment of the rope disc; by adopting the automatic rope discharging device, and also additionally arranging a steel wire rope torque releasing assembly, the steel wire rope is sequentially discharged, and the torque of a steel wire rope is released when the steel wire rope is cut; by arranging an electric control cabinet, the signals of a rotation speed sensor and the torque sensor are fed back, so that the functions of automatic speed adjusting and constant-torque recycling of the steel wire rope are realized; the problems of low manual recycling efficiency of the steel wire rope, large labor investment, and poor safety are solved.

An embodiment of the invention discloses an internet banking login method and a browser. The problem that internet banking login is complicated in step and unsafe through a navigation website is solved. The browser comprises a managing module, an address judging module and a login module, wherein the managing module comprises a website access sub-module suitable for memorizing an internet banking website to a browser side and accessing the internet banking based on the internet banking website, and a website updating sub-module suitable for performing updating operation to memorized internet banking website based on website updating information obtained from the internet banking. The internet banking login steps are decreased, and the safety of internet banking login is improved.

The invention aims to provide a mobile authentication method, a mobile authentication device and a mobile authentication system. The mobile authentication method includes establishing matching relations between mobile device sides and wearable electronic device sides; transmitting to-be-authenticated information to wearable electronic devices when the to-be-authenticated information is acquired by the mobile device and connection conditions of the mobile device and the wearable electronic devices meet authentication conditions; enabling the wearable electronic devices to authenticate the to-be-authenticated information; transmitting authenticated information to the mobile device. Compared with the prior art, the mobile authentication method, the mobile authentication device and the mobile authentication system have the advantages that problems of instability and potential safety hazards due to loss of existing mobile devices can be solved by the aid of the wearable electronic devices which are difficult to lose; potential loss due to possible loss of the mobile device can be prevented, the problem of illegal use can be solved, and the mobile authentication usability and safety can be improved.

A safety storage system of U disc comprises master disc including USB chip in shell, monolithic computer connected with said chip, enciphering circuit connected to output port of monolithic computer, front pluggable unit and back pluggable unit at front and back of shell; subdisc including subdisc USB chip in subdisc shell, subdisc monolithic computer connected to said chip and front pluggable unit of subdisc at front of subdisc shell; enabling to hand master disc to user for using or holding it by user and to hand subdisc with secret information to concerning department for storing it there safety.

The invention discloses a cable stripping tool and relates to the field of electric power tools. The cable stripping tool aims at solving the problems that an operator is unsafe and stripping efficiency is low by using an existing cable stripping tool in the stripping process. A cable roller and a tool bit are adjusted to be in place, a cable penetrates through a cable guide and is placed in a groove of the cable roller, the cable guide is held, a tool bit compression bar is operated to press downwards so that the tool bit can cut downwards into the sheath of the cable, the cable guide and the tool bit compression bar are dragged backwards, and the sheath of the cable can be continuously stripped through rolling of the cable roller; by utilizing the lever principle, the tool bit can cut into the cable effortlessly, and the tool bit can be adjusted in an up-down mode so that the required stripping depth of the cable can be adjusted and set according to the thickness and the texture of the cable; the frictional resistance in the stripping process of the cable is reduced through the cable roller, the cable roller can also be adjusted in an up-down mode, the cable roller can be matched with the cable guide to achieve supporting and limiting functions on the cable when adjusted to be in place, and the cable stripping tool can be adjusted and set for stripping cables of different thickness specifications. The cable stripping tool is applicable to the field of the electric power tools.

The invention provides a device, a system and a method for automatically configuring an application terminal in a household network. The device comprises a GACS (Automatic Configuration Server of Household Gateway) and a household gateway. The system comprises a GACS, a household gateway and an application terminal. In the method, the application terminal obtains the address information of the GACS from the household gateway and transmits a configuration request message to the GACS; after receiving the configuration request message, the GACS obtains the address information of a TACS (Automatic Configuration Server of Application Terminal) by inquiring and transmits the address information of the TACS to the application terminal through a response message of the configuration request message; and the application terminal transmits the configuration request message to the TACS according to the address information of the TACS returned by the GACS and obtains configuration information from the TACS for automatic configuration. The invention ensures that the application terminal can safely obtain the address information of the ACS that the application terminal belongs to for configuration without increasing the complexity of the application terminal.

The invention provides an inspection robot instrument image recognition method and system based on computer vision, and the method comprises the steps: constructing a three-dimensional space model ofa to-be-inspected scene, presetting an inspection route of an inspection robot, and presetting a photographing point position according to the position, orientation and illumination conditions of a target instrument; performing shooting calibration on the specified instrument based on the designed inspection route and the designed shooting point to obtain the model, the range, the instrument template picture and the shooting point number of the specified instrument; enabling the inspection robot to arrive at each inspection point along the inspection route according to a specified serial number sequence, shooting the instrument according to a preset shooting point position, encoding the obtained instrument picture, positioning the instrument according to a template matching algorithm, andperforming reading identification by utilizing an instrument identification algorithm corresponding to a pointer instrument or a digital instrument. According to the invention, the problems of insecurity of manual inspection and instability and difficult parameter adjustment of a traditional instrument image recognition method are solved, and the accuracy of instrument image recognition is greatlyimproved.

The invention discloses an overall unique ID-based file life cycle management method and system. The method comprises steps of generating a file overall unique ID when a file is newly built by a system client, storing file management data formed by the file overall unique ID and other file management data to the file, extracting and skipping the above the file management data during the use of the file, reading and writing from a start position of file real content data, generating a new file overall unique ID during file flow, uploading the updated file management data and file basic information to the server, uploading a file copy to the server for archiving when a release version of the file is changed, and positioning the file, controlling file authority, recalling file changes and flow traces according to the file overall unique ID. By the use of the method, file asset can be effectively protected from the full life circle, asset use value and efficiency can be improved; and greater value is provided for file owners.

The invention discloses a resistance barrel and a method for detecting static loads of engineering file foundations. The resistance barrel is characterized by comprising a resistance barrel body, resistance rod plates, propulsion devices and thrust rods; the resistance rod plates and the propulsion devices are arranged in the resistance barrel body and are connected with one another by the thrust rods, holes are formed in the resistance barrel body, the resistance rod plates can be pushed by the propulsion devices to horizontally move along the holes, also can be arranged on the outer side surface of the resistance barrel body, and are drilled into an underground rock and soil layer adjacent to the outer side of the resistance barrel body to enhance upward anti-shifting resistance of the resistance barrel body after the resistance rod plates extend out of the holes of the resistance barrel body or are spread on the outer side surface of the resistance barrel body, and loads can be applied to ground transverse beam counterforce devices via oil jacks by the aid of the resistance barrel, so that static load detection tests can be carried out on the pile foundations. The resistance barrel and the method for detecting the static loads of the engineering pile foundations have the advantages that the resistance barrel is reasonable in structural design and can be operated easily and conveniently, the work efficiency and the safety can be obviously improved during the static load detection tests on the pile foundations, and the like.

The invention discloses a charging method and device of a charging station. The charging method of the charging station comprises the steps that the state parameter in initial time of a target time period of the charging station and a charging load curve mode corresponding to the initial time are obtained; according to the charging load curve mode, an average load is determined; according to the state parameter and the average load, the target rated charging power of a charging pile in the charging station in the target time period is computed; and the charging pile is controlled to charge a first electric car according to the target rated charging power in the target time period, wherein the first electric car is an electric car which is charged currently by the charging pile. The problems that in the prior art, a plurality of electric cars are connected into a power grid for charging in disorder randomly, so that the power grid is not stable or safe are solved, and therefore the effect of power grid safety and stability improving is achieved.

The invention relates to a design method of an automatic configuration file generation tool. The method comprises the following steps: 1, selecting a security equipment system needing to generate a configuration file; 2, selecting a related input file required by initialization configuration of the safety equipment, and reading the input file and the related configuration by the tool; 3, editing and outputting the type and part of configuration parameters of the configuration file; 4, enabling the configuration file automatic generation tool to generate a configuration file of the selected security equipment system according to the relationship between the input parameters and the security equipment; and 5, printing and outputting generation information and related prompt information of the configuration file. Compared with the prior art, the method has the following advantages: 1, the defect of low efficiency of manually reading an original data table in the prior art is overcome; 2,the problems of low efficiency and unsafety of manually making the configuration file are solved; and 3, all or a single device can be selected to generate a system configuration file, so that the flexibility of system configuration is improved.

The invention provides a building engineering vertical shaft measuring device. The building engineering vertical shaft measuring device comprises a measuring mechanism and a climbing mechanism used for driving the measuring mechanism to move. The measuring mechanism comprises an outer shell connected with the climbing mechanism; a horizontal laser ranging module; a biaxial tilt angle sensor; a vertical laser ranging module; a camera; and a left servo motor and a right servo motor. The left servo motor is arranged in the outer shell and is connected with the horizontal laser ranging module; thehorizontal laser ranging module extends out of the upper end face of the outer shell and is connected with the biaxial tilt angle sensor. The right servo motor and the left servo motor are arranged back to back and located in the outer shell. The camera is connected with the right servo motor and extends out of the lower end surface of the outer shell; the vertical laser ranging modules are arranged at the upper end and the lower end of the outer shell. The invention further provides a construction method of the building engineering vertical shaft model. By means of the method, the requirements for labor intensity, safety and specialty of surveyors are lowered, and the accuracy of engineering shaft measurement data is improved.

The invention relates to a preparation method of a polycrystal SAPO-53 molecular sieve, and the preparation method comprises the following steps of: adding hexamethonium bromide and alkali metal hydroxides to an organic solvent which contains a sedimentation promotor for ion exchange; filtering to remove sediments, and evaporating the organic solvent to obtain template agent hexane diammonium hydroxide; adding a silicon source, an aluminum source, a phosphorus source and the hexane diammonium hydroxide to water according to the mole ratio of SiO2:Al2O3:P2O5:R(OH)2:H2O=(0.1-15):1:(0.8-20):(0.3-25):(10-80), and stirring to form uniform gel; statically crystallizing at autogenous pressure inside a reaction kettle at 130-190 DEG C for 1-4 days; and filtering, washing and drying to obtain white SAPO-53 molecular sieve solid powder. The preparation method disclosed by the invention has the advantages of simplicity, easiness for operation and small usage amount of the template agent, greatly shortens the crystallization time, reduces the synthesis difficulty and production cost of a molecular sieve and can meet the particular requirement of different application occasions on the molecular sieve by controlling the appearance and particle diameter of a crystal by changing a reaction condition.

The invention discloses a hydraulic automatic pin pulling device. The hydraulic automatic pin pulling device comprises a support cylinder body, a pin pulling cylinder body, a support cylinder piston rod, a pin pulling cylinder piston rod and a bolt connector, wherein the pin pulling cylinder body is arranged inside the support cylinder body; the support cylinder body and the pin pulling cylinder body are in concentric nesting assembling; the support cylinder piston rod is of a closed type hollow shaft design; the pin pulling cylinder piston rod is arranged inside the support cylinder piston rod; the support cylinder piston rod and the pin pulling cylinder piston rod are in concentric nesting assembling; the top of the pin pulling cylinder piston rod is provided with the bolt connector which is linked with a pin shaft; the hydraulic automatic pin pulling device is arranged on a bearing support seat; the height of the bearing support seat is adjustable; and the hydraulic automatic pin pulling device is connected with a hydraulic station which is provided with a hydraulic control system. The hydraulic automatic pin pulling device has a reasonable structure and large tensioning force, is convenient to use, and is safe and reliable, thus the troublesome, time-consuming, labor-consuming and unsafe problems when a worker performs hammering by manual work originally are solved.

The embodiment of the invention discloses a dynamic password acquisition method and device, a terminal and a storage medium. The method comprises the following steps: initiating an encryption key acquisition request to an NFC (near field communication) encryption card; transmitting an encryption key extraction password input by a user to the NFC encryption card, and extracting the encryption key;generating the dynamic password by utilizing the encryption key, a preset encryption algorithm and the extracted encryption key timestamp. According to the embodiment of the invention, the problem that the encryption key and the encryption algorithm stored in the same medium are easily stolen and unsafe is solved, key and algorithm separation is realized, and the safety of a mobile token of the user is ensured.

The invention discloses a pneumatic hammer comprising an air supplying device, a cylinder, a piston, a reversing valve, a piston resetting device and a striking device, wherein the piston for separating a first chamber and a second chamber is arranged in the cylinder; a piston rod hermetically penetrates through the second chamber and is connected with the striking device; an exhaust port C3 is arranged on the cylinder; a movable valve core of the reversing valve moves under the drive of pressure difference generated by alternate changes of pressure in the first chamber or the second chamber so as to alternately connect or disconnect the communication between the first chamber or the second chamber of the cylinder and compressed air; air inlet and exhaust of the first chamber and the second chamber of the cylinder are switched by the match of the reversing valve and the reciprocating motion of the piston so that the piston can be automatically reversed; and the purpose of striking round nails can be achieved by driving the piston to reciprocate and drive the striking device connected with the piston rod to reciprocate under the reciprocating motion of the piston in the cylinder. The invention provides a high-efficient and professional pneumatic hammer capable of automatically striking the round nails.

The invention discloses an automatic feeding and discharging device, a table type lifting type sintering furnace and an automatic feeding and discharging system. The automatic feeding and discharging device comprises a fixing base, a lifting table is fixed to the fixing base, wherein the lifting table is rotatably and fixedly connected with a tray, the tray is provided with notches along the rotating direction. The table type lifting type sintering furnace comprises at least one automatic feeding, and further comprises a liftable furnace bottom, a sintering support is arranged on the furnace bottom, supporting legs are arranged on the sintering support, and the diameters of the arc-shaped notches are larger than that of the supporting legs. According to the automatic feeding and discharging device, the table type lifting type sintering furnace and the automatic feeding and discharging system, the high-temperature potential safety hazard existing in manual operation is reduced, the utilization rate of the table type lifting type sintering furnace is effectively improved, the problems of unsafety and low efficiency caused by manual feeding and discharging can be solved.

The invention discloses an oxygen supply system for a blast furnace ironmaking taphole of an iron mill. The system comprises an oxygen supply gun, an air outlet pipe, a protection pipe, an air supplypipe, an air conveyor, an oxygen pipe and an oxygen conveyor, the oxygen supply gun is fixedly connected with an air outlet pipe; a gun head is fixedly connected to the right end part of the oxygen supply gun; the left end of the oxygen supply gun is fixedly connected with a gas supply pipe and an oxygen pipe; one end, deviating from the oxygen supply gun, of the gas supply pipe is fixedly connected with a gas conveyor; the end, away from the oxygen feeding gun, of the oxygen pipe is fixedly connected with an oxygen conveying machine, the oxygen feeding pipe and the oxygen pipe are communicated through a communicating pipe, a communicating valve is connected to the communicating pipe in series, and a stop valve, a third adjusting valve, a second barometer, an oxygen instantaneous flow metering totalizer and a fourth adjusting valve are connected to the oxygen pipe in series. Through the arrangement of the oxygen feeding gun, the gas outlet pipe, the protection pipe, the gas feeding pipe, the gas conveying machine, the oxygen pipe and the oxygen conveying machine, the problems that a traditional treatment method is unsafe, not environmentally friendly, not economical, not efficientand even illegal are solved.

The invention discloses a control method of an urban water service pipe network water supply system under external disturbance input. The control method comprises the following steps: step S1, establishing a state space model about the water yield change of the urban water service pipe network water supply system; step S2, designing a state feedback controller about the water yield change of the urban water service pipe network water supply system; step S3, verifying the positivity of the urban water service pipe network water supply system under the state feedback controller; step S4, verifying the progressive stability of the urban water service pipe network water supply system under the state feedback controller; and step S5, computing the weighted L1 gain of the water supply pipe network water supply system. Through the matrix decomposition, the input disturbance control and the weighted L1 gain performance analysis and like technology, the effective control on the safety water supply of the urban water service pipe network water supply system is realized, and the problem that the water supply is unstable and the water supply is insufficient in the water supply process can be effectively solved.

The invention discloses a single body effect target device suitable for measurement of target shock wave pressure of a movable explosion field. The effect target device is mainly characterized by being composed of a base, a response membrane, a pressing ring, a buffering pad, a bottom cover and pressing bolts; external shock waves act on the effect target device and a working area of the responsemembrane, so that the response membrane is plastically deformed and sunken towards a lower sealing hole, the maximal deflection value is measured, and the pressure peak of the shock waves is obtainedaccording to a dose-effect relationship of deformation of the membrane and the effect of the shock waves. The device has the significant advantages that the mass and size of the effect target device are greatly reduced, movement and disassembly are facilitated, the processing cost can be reduced at the same time, and the processing period can be shortened; the effect of fixing the response membrane is reinforced, the area where the response membrane is plastically deformed is controlled, and the measurement precision of the shock wave pressure is guaranteed on the condition that the mass of the device is reduced; a deflection testing unit interface is reserved for the response membrane, the upgradability of a shock wave pressure effect target of the movable explosion field is improved, andthe requirement of the target of the movable explosion field for the measurement of the shock wave pressure is met.