50results about How to "Learn about security" patented technology

The invention relates to an intelligent household remote control monitoring system which comprises a control terminal and an intelligent household controller; the control terminal and the intelligent household controller transmit data via Internet; a user inputs a control instruction through the control terminal; the control instruction is transmitted to the intelligent household controller via the Internet; the control instruction is converted into a remote control signal in the intelligent household controller and is transmitted externally; a controlled electric appliance immediately receives the remote control signal transmitted by the intelligent household controller; the controlled electric appliance changes a working state according to the contents of the remote control signal; application software is arranged in the control terminal; the intelligent household controller comprises a single-chip microcomputer module; the single-chip microcomputer module is respectively connected with an Internet interface, a remote control code value memory, a displays screen, a learning circuit and a transmission circuit.

The invention relates to an online service abnormity monitoring method. The method comprises the following steps that a service reliability experience module, a simulation terminal user access monitoring module and a local service end security agent assistive monitoring and reporting module, respectively intensively and widely sample needed all-level information and relative history online service information of a network layer, an operating system layer, an online Web system and application layer, a database layer and a file system layer which are related to online services, and then, according to sampling results, expert knowledge base information and user feedback base information, determines whether an abnormal event is generated, transmits a determination result to an event management server, an expert feedback module and a user feedback module; and if an abnormal event is generated, a post hoc log analysis and remote local end linked module automatically analyzes every system log, and the event management server gives alarms or displays monitoring results according to analysis results. Compared with the prior art, the method and the system are comprehensive, and have the advantages of high accuracy, high adaptability and the like.

The invention discloses a method and a device for displaying web address security identification information. The method includes: transmitting a user triggered security identification information acquiring request of a currently loaded webpage; receiving web address security identification information of the currently loaded webpage, responding to the security identification acquiring request, returned from a server side; and displaying the web address security identification information on sides of a browser. By the aid of the method for displaying the web address security identification information, security for network browsing can be improved. The invention further discloses a corresponding device for displaying the web address security identification information.

The invention provides a vehicle start and entry system comprising a vehicular system and a vehicle owner's cellphone. The vehicular system comprises a vehicle control unit and a vehicular cellphone in signal connection with the vehicle control unit. The vehicular cellphone comprises a first long-range communication module and a first short-range communication module. The vehicle owner's cellphone comprises a second long-range communication module matching with the first long-range communication module and a second short-range communication module matching with the first short-range communication module. When the distance between the vehicle owner's cellphone and a vehicle is larger than a preset distance, a first signal is transmitted to the first long-range communication module by the second long-range communication module and converted by the vehicle control unit into a first corresponding control signal which is sent to an engine or air conditioner system of the vehicle. When the distance between the vehicle owner's cellphone and the vehicle is smaller than the preset distance and after the second short-range communication module successfully matches with the first short-range communication module, a second control signal is sent by the vehicle control unit to a vehicle lock system of the vehicle to unlock a vehicle lock.

The invention relates to a restoration construction method for an in-service oil gas pipeline which encounters with the collapse and destruction of a worked-out section, and relates to the technical field of pipeline systems. The restoration construction method comprises the following steps of: 1) preparing construction; 2) performing Redi positioning on the pipeline, and laying the pipeline; 3) cleaning an operating zone and excavating a pipe ditch artificially; 4) releasing the stress of the pipeline; 5) measuring coordinates of a pipeline body and arranging a stress monitoring device at the key position of the pipeline body; 6) analyzing the stressed condition of the pipeline, and determining a pipe section to be lifted and calculating the lifting height of the pipeline; 7) distributing hanging points, and performing ultrasonic detection on key weld joints; 8) determining the single-pass lifting height of each hanging point; 9) lifting the pipeline for multiple times, and detecting the internal condition of the key weld joints and stress values at key positions of the pipeline for multiple times; 10) retesting the scale height of the pipeline; 11) ramming and filling gaps at the pipe bottom; 12) releasing the hanging points; 13) performing the ultrasonic detection on the weld joints; 14) repairing cuts of an anticorrosive coating; and 15) restoring the pipeline.

The invention provides a scoring method and device for enterprise network safety situation awareness. The method comprises the following steps: obtaining safety metadata which comprises a plurality ofparts of safety metadata, and each part of safety metadata comprises a plurality of indexes; calculating an information value corresponding to each index; selecting a plurality of indexes meeting prediction conditions according to the information value corresponding to each index; obtaining a weight coefficient corresponding to each index through a logistic regression model according to the plurality of indexes meeting the prediction condition; calculating a current comprehensive score according to each index meeting the prediction condition and the weight coefficient corresponding to each index; wherein the prediction condition is that the information value corresponding to each index is greater than or equal to a preset information value; the multiple parts of safety element sub-data comprise flow data, asset data, alarm data, vulnerability data and event data, the weight coefficient corresponding to each index can be calculated through the logistic regression model, the accuracy ishigh, and the network safety situation of the day can be visually known through the current comprehensive score.

The invention provides a network attack path prediction method based on an attacker characteristic index, and the method comprises the steps: firstly, providing a quantitative index of a network attack path from the perspective of an attacker in combination with an attack graph and a hidden Markov model, wherein the attack cost, the attack income and the attack profit reflect different optimal attack path selections of attackers with different intentions; secondly, an attack path in the attack graph being quantified and analyzed based on a quantitative index, and a network attack and defense scene being described more effectively; and finally, respectively adding the attack cost, the attack income and the attack profit of all vulnerabilities on each attack path to obtain the total attack cost, the total attack profit and the total attack profit of the whole attack path, and comparing the index values of the attack paths to obtain the attack cost, the total attack profit and the total attack profit of the whole attack path. Therefore, one or more attack paths which may be attacked by an attacker with relatively high risk can be found more accurately, a network administrator can be helped to know the network security condition more comprehensively, and the security of a network system can be ensured more efficiently.

The invention discloses a tunnel section deformation monitoring system. The system comprises a main controller and a plurality of sub-monitoring devices arranged in a tunnel. The main controller is communicated with a mainframe, and the sub-monitoring devices are arranged in the length direction of the tunnel and include sub-controllers communicated with the main controller, first laser range finding sensors, second laser range finding sensors and memories. The invention also discloses a tunnel section deformation monitoring method. A settlement value of a tunnel vault, a convergence value ofthe tunnel vault and a convergence value of a tunnel haunch are calculated through the sub-controllers and then correspondingly transformed into a tunnel settlement language evaluation value, a tunnelvault convergence language evaluation value and a tunnel sidewall convergence language evaluation value, and an early warning can be provided for construction to help work staff to understand the tunnel security situation in real time and check existing potential security risks in advance.

The invention discloses an electric vehicle control method, which comprises a starting process: a NFC interaction area of an electric vehicle is clicked by using the NFC (near field communication) of a mobile phone, a two-dimensional code acquisition camera is turned on, and app installed on an intelligent terminal generates one-time two-dimensional codes with unfixed data through a specific algorithm, wherein the one-time two-dimensional codes are used for executing a confirming operation when functional parameters of the electric vehicle are started or displayed; and the authorized intelligent terminal is close to the camera of the electric vehicle and correct two-dimensional codes are displayed on a screen, and after the camera of the electric vehicle captures the two-dimensional codes and validates that the codes are legal, the electric vehicle can be started, wherein the information of the two-dimensional codes, besides containing special password character strings generated according to the specific algorithm or key, also contains encrypted intelligent terminal hardware information, identity information, phone number and the basic information of users. According to the invention, an electric vehicle can be completely started just by using a mobile phone under the condition that no key is required to be carried around; and the electric vehicle is simple in operation, and can be unlocked just by being attached to a data acquisition area and then waiting for a few seconds, so that other people can be temporarily authorized to unlock the electric vehicle, and therefore, the electric vehicle is driven conveniently and high in safety.

The invention provides a hand-held apparatus having an electronic fence function and a tracking and monitoring method. The hand-held apparatus herein includes: a receiving module, a setting module, a display module, a determining module and an alarming module. The tracking and monitoring method includes the following steps: setting the range of the electronic fence of the hand-held apparatus that has the electronic fence function; bringing a GPS device and the hand-held apparatus having the electronic fence function into connection; the GPS device transmitting GPS positioning information to the hand-held apparatus having the electronic fence function through the GPRS network; displaying a map on the hand-held apparatus having the electronic fence function, and displaying the range of the electronic fence and the current GPS positioning information of the GPS device on the map; comparing and determining whether the current GPS positioning information of the GPS device arrives at or exceeds the range of the electronic fence; and if the current GPS positioning information of the GPS device arrives at or exceeds the range of the electronic fence, sounding alarm information.

The invention relates to the field of communication security, and specifically discloses a number recognition control method and device, and a corresponding server and a mobile terminal. The method comprises the following steps: receiving a contact name and telephone number thereof submitted by the terminal; querying to determine the security type mark quantity of the telephone number from a security number database, and the data record quantity of the telephone number and the contact number associatively stored in a terminal user contact list corresponding to each contact in the terminal user contact list; feeding the security type mark quantity and the data record quantity back to the terminal as the security information. By use of the number recognition control method disclosed by the invention, the security of the contact information is queried a cloud-server when a user is to save the compiled contact information in the contact list, the security information of the contact information is determined by comparing the marked quantity of the telephone number with the recorded quantity of the number in the friend contact list of the user submitting the query, thereby preventing the false number from being stored in the contact list by the user.

The invention discloses an intelligent logistics safe distribution method. The method comprises the following steps of 1, packing by a shipping party; 2, loading a parcel in a box; 3, safely locking the box; 4, picking the box: wherein after the box loading is completed, a courier takes away the intelligent logistics box; 5, performing safe delivery: wherein real-time information is uploaded to anintelligent logistics box system in a delivery process of the intelligent logistics box, and the shipping party and a receiving party directly track and monitor information data of the parcel in thedelivery process through the intelligent logistics box system; 6, safely delivering the parcel. According to the method, the intelligent logistics box is used for storing the parcel in the entire process of logistics distribution, the parcel is placed into the box when shipped and packed, and at the same time, password protection measures are configured for the box, others have no rights to open the box in the entire distribution process, and only the receiving party can sign and open the box according to corresponding authorization passwords after receiving the box to achieve security and safe delivery in the delivery process.

The invention discloses an intelligent battery discharger comprising a casing, a display screen, a button, a positive connection hole, a negative connection hole, a ventilation hole, a fan, a single chip microcomputer, a DAC circuit, a PWM circuit, a discharge board control circuit, a discharge board, an ADC circuit, a current sensor, a voltage sensor, a fan control detection module, a display module, a PC / USB communication module, a storage module, a current indicator lamp, a voltage indicator lamp, a discharge time indicator lamp, a discharge capacitor indicator lamp and a protection circuitindicator lamp. The intelligent battery discharger is reasonable in design. The single chip microcomputer is connected with the display module through a transmission line. The PC / USB communication module is connected with the display module through a transmission line. The display module is connected with the display screen through a transmission line. The single chip microcomputer and the PC / USBcommunication module display the voltage and the current to be displayed on the display screen through the display module to improve the working efficiency of the device.

The invention discloses a safety monitoring system for an airplane training simulator. The system comprises a data acquisition module, an information collection module, a data analysis module, a comprehensive processing module, a controller, a signal execution module, a data prompt platform, an instantaneous exchange module, a monitoring and recording module, a display module and a recording module. The interference factors of trainee operation are introduced into the evaluation of the safety condition of the whole airplane, and the interference factors and the correlated running condition ofthe whole airplane are respectively subjected to the assigned weight processing and the revised formula analysis, and then various obtained running signals and various interference signals are combined and judged together to reduce the influence caused by external man-made operation interference items or improper man-made operation, and the safety condition of the airplane training simulator is known step by step according to an accurate monitoring mode of feedback calling and layering, thereby prompting and informing maintenance and overhaul in time, and the real effectiveness and the safetymonitoring precision of the monitoring process are greatly improved.

The invention discloses a portable network equipment box, which comprises a box body, a pull rod opening, a device base and a storage bin. The pull rod opening is fixedly connected to one side of thetop of the box body. The device base is fixedly connected to the bottom of the box body. The storage bin is fixedly connected to the middle part in the box body. A glass top cover is movably connectedto the top of the box body. A handle is fixedly connected to the other side in the glass top cover. Supporting feet are fixedly connected to one side of the bottom of the device base. The supportingfeet reflect the anti-static property of the device. The glass top cover reflects the visibility of the device. The handle reflects the auxiliary property of the device. Heat dissipation openings reflect the heat dissipation performance of the device. A wire outlet reflects the safety of the device. An information nameplate reflects the reading convenience of the device. A lifting mechanism reflects the convenience of the device. A moving mechanism reflects the mobility and concealment of the device. A storage protection mechanism reflects the applicability and fixity of the device. The schemesuitable for the network equipment box, and has a wide development prospect in the future.

The invention discloses a property management system based on big data, comprising an owner information storage module, a property master control module, a big data module, a data processing module, adata receiving module, a hazard rating module, a hazard letter production module, an emergency notification module, a community entrance guard module, a dispatching module, an elevator synchronization module, an owner module, an owner communication module, a payment module and a scoring module, wherein the owner information storage module comprises an owner information storage module, a propertymaster control module, a big data module, a data processing module, a data receiving module, a hazard rating module, a hazard letter production module, an emergency notification module, a community entrance guard module, a dispatching module, an elevator synchronization module, an owner module, a payment module and a scoring module, wherein the scoring module is composed of a cleaning scoring module and a property scoring module, wherein the property master control module is communicatively connected with an owner information storage module, the data processing module is communicatively connected with the property master control module, and the data receiving module is communicatively connected with the data processing module; the invention can effectively improve the safety of the district using the system, can reduce the loss of the owner when the dangerous situation occurs, and can better stimulate the owner to consciously maintain the safety and sanitation of the corridor.

The embodiment of the invention discloses a construction disclosure method, device and equipment based on a BIM model, a computer readable storage medium and a mobile terminal. The method comprises the steps that a BIM platform is called to generate a BIM model corresponding to a building project construction drawing; obtaining technical parameter information and a construction scheme of a component and a preset node of the to-be-disclosed part; and the BIM model, the technical parameter information and the construction scheme are published on a preset platform, so that the user with the authority logs in the preset platform to obtain the construction disclosure content, and the information management of the building project is realized. According to the application, the efficiency of disclosure work is greatly improved, the improvement of the construction efficiency is facilitated, and the security traceability of the disclosure information can be realized; in addition, the disclosurecontent covers the BIM model and the related text description, and the operation on the technical level is more comprehensively explained. Component information is visualized, especially for complexnode composition and connection forms, construction process problems and safety notes are understood more deeply, and construction quality is guaranteed.

The invention discloses an anti-theft alarm method of a notebook computer. The anti-theft alarm method comprises the following steps of: detecting movement of the notebook computer through a monitoring device which is connected to a plurality of notebook computers of a plurality of rooms on a plurality of floors through peripherals; wirelessly emitting a control signal with identity information when detecting that the movement reaches a preset condition; receiving the control signal with the identity information through a plurality of relay platforms on a plurality of floors respectively; forwarding to a management terminal at the position of management personnel in a wireless mode; receiving and responding the control signal with identity through the management terminal and emitting alarm; and displaying the position represented by the identity information by the management terminal according to the control signal with the identity information. The invention also provides a corresponding anti-theft alarm system of the notebook computer. According to the method and the system, networked centralized anti-theft alarm of the notebook computers of a plurality of scattered users is realized, and a timely and effective anti-theft alarm effect is achieved.

The invention proposes a household line information monitoring and clod data processing system, and the system aims at collecting various types of information of a household line and carrying out safety detection, so as to guarantee the household electrical safety; carrying out the data detection (harmonic, current and temperature) based on a conventional power utilization data record; transmitting the data to a cloud side through a network for data recording and storage; carrying out the comparison and analysis of the detected data through the technology of big data processing; and finally feeding back information to a user, so as to indicate the condition of the household line. In addition, the technology of big data processing facilitates the setting of different electricity prices in different time periods for different power utilization amounts in different time periods, and some punitive measures are properly employed for nonlinear users for the household power utilization amounts of customers who are different in power utilization amounts through combining harmonic metering data, thereby facilitating the guarantee of the legitimate interests of an electric power department and the linear users. Through the adjustment of the electric amounts at a peak stage at good price, the system saves the energy, and enables the utilization of energy to tend to be reasonable.

The invention relates to the technical field of safety detection, in particular to an electronic commerce safety detecting device. The electronic commerce safety detecting device comprises an operating table, wherein a detecting machine is arranged at one end of the operating table; a transmitting device is arranged in the detecting machine; a control panel is arranged on the detecting machine andcomprises a signal detecting module, a signal receiving module, a position detecting module, a processor, a signal displaying module and a display; the detecting machine is provided with an alarm; aprotecting curtain is arranged on a side wall of the detecting machine; a detecting treatment table is arranged at one end of the conveying device; a fixing rack is arranged on the detecting treatmenttable; a connecting rod is arranged on the bottom of the fixing rack; one end of the connecting rod is connected with a camera; a position sensor is arranged on a side wall of the inner side of the detecting treatment table; a delivery table is arranged on one side of the detecting treatment table, and is provided with a plurality of drums; and fixing supports are separately arranged on the bottoms of the operating table, the detecting machine and the detecting treatment table. The electronic commerce safety detecting device is high in practicality and worthy of being popularized.

The invention discloses a resident food consumption data acquisition apparatus. The acquisition apparatus comprises: a vessel portion with an accommodation space used for containing food. The structural body of the vessel portion is provided with a detection unit, a control unit, a wireless transmit-receive unit and a power supply unit, wherein the detection unit detects components of food and the characteristics of an environment where the food is in, the control unit carries out conversion processing on the components obtained by the detection unit and then obtains a detection result, the wireless transmit-receive unit receives a set instruction of the control unit, and / or sends the detection result to external equipment, and the power supply unit provides power for the detection unit, the control unit and the wireless transmit-receive unit. The detection unit is in communicating connection with the control unit, and the wireless transmit-receive unit is in communicating connection with the control unit. The beneficial effects of the apparatus are that the nutrient compositions of food eaten by a user each time in daily life, food safety and the like are detected and then uploaded to an external mobile terminal or a cloud platform to form big data.

The invention provides a science popularization teaching aid and a science popularization method about the safety of nuclear power station reactors. The science popularization teaching aid comprises a sealed containment vessel, a loop pressure boundary arranged in the containment vessel in a sealed manner, and a fuel jacket arranged in the loop pressure boundary in a sealed manner, the science popularization teaching aid also comprises a containment vessel evacuation valve, a colored smoke generator, a colored smoke filling valve arranged on a pipeline between the colored smoke generator and the loop pressure boundary, and a loop leakage valve arranged on a pipeline between the loop pressure boundary and the containment vessel, the containment vessel discharges internal gas via the containment vessel evacuation valve, the containment vessel and the loop pressure boundary are at least partly transparent, and light bands are arranged in the fuel jacket. According to the above science popularization teaching aid, colored gas is employed to simulate the diffusion process of radioactive materials during accidents in a nuclear power station, and the effect of three safety barriers of the nuclear power station is visually and vividly displayed to the public.

The invention discloses a financial anti-fraud analysis method based on big data, and the method comprises the following steps of collecting the related data generated by a buyer and a seller using amobile device, and preliminarily judging the identities of the buyer and the seller. According to the financial anti-fraud analysis method based on big data, firstly, the personnel information of twotransaction parties is verified in the whole process, so that the information accuracy in the transaction process is ensured, the relation network and the characteristic attributes among the data areanalyzed, and the risk can be deeply mined and analyzed; secondly, the personnel of two transaction parties can most intuitively know the current overall safety condition of the financial product; andby introducing the query event history to analyze the event analysis, the accuracy of financial anti-fraud analysis is improved, and the safety degree of funds of two transaction parties is improved;Finally, the unique voice, fingerprints, faces and pupils are adopted as the basis for identifying user identities, the uniqueness is realized, the situation of copying does not exist, the safety ofthe user identities is improved, and a better use prospect is brought.

The invention discloses a concrete constitutive model calculation method based on a steel bar three-dimensional reinforcement effect, and relates to a modeling method for nonlinear failure of a reinforced concrete bridge. Obtaining material mechanical properties of the concrete and the steel bars; the method comprises the following steps: establishing a single-axis stressed reinforced concrete cube unit, decomposing the single-axis stressed reinforced concrete cube unit into a one-dimensional axial stressed unit and a two-dimensional normal stressed unit, and respectively calculating reinforcement coefficients of steel bars to concrete to obtain elastic modulus; performing tension and compression stress-strain curve correction on the reinforced concrete cube unit subjected to uniaxial stress, and correcting damage evolution parameters to obtain a corrected constitutive relation curve; the method is applied to a finite element to establish a three-dimensional entity nonlinear finite element model, and calculation of plastic damage and bearing capacity of a reinforced concrete structure is carried out. The reinforcement coefficient of the steel bars to the concrete is considered, and meanwhile, a corrected reinforced concrete constitutive model is provided, so that the actual ultimate bearing capacity of the bridge can be efficiently and accurately evaluated.

The invention relates to a system and a method for testing performance of a fuse of a ring main unit. The system comprises the ring main unit, a releaser, a simulated fuse, a timer and a circuit conduction testing device, wherein a circuit breaker is internally arranged in the ring main unit, the ring main unit is connected with the simulated fuse through the releaser, a triggering end of the timer is arranged at the other end of the simulated fuse, and a cable outlet of the ring main unit is connected with a stopping end of the timer through the circuit conduction testing device. According to the system and the method for testing the performance of the fuse of the ring main unit, which is disclosed by the invention, before the ring main unit comes into use, the off state of the circuit breaker and the time between the disconnection of the fuse and the disconnection of the circuit breaker are tested by combining the simulated fuse and the circuit conduction testing device, so that the safety performance of the ring main unit after the ring main unit is provided with the fuse is comprehensively tested.

The invention relates to the technical field of building construction, and particularly discloses a movable arm tower crane climbing beam monitoring and adjusting system which comprises two first supporting bases arranged on a wall, a main beam, a monitoring unit and an adjusting unit. Second supporting bases are arranged at the two ends of the main beam in a sliding mode. The monitoring unit comprises a power source, a PLC, a first laser displacement sensor, a second laser displacement sensor, a first pressure sensor and a second pressure sensor which are electrically connected. The adjustingunit comprises two first jacks, two second jacks, four third jacks and two fourth jacks which are all electrically connected with the PLC, the two first jacks are connected with the two second supporting bases, and the two fourth jacks are arranged on the rear sides, away from the main beam, of the two second supporting bases. The movable arm tower crane climbing beam monitoring and adjusting system aims to solve the problems of monitoring the internal force of a supporting seat and synchronously adjusting the position of the supporting seat.

The invention discloses a safety management and control system based on building engineering construction, and relates to the field of construction safety management and control. The safety management and control system comprises a weather information acquisition module, an image acquisition module, an equipment maintenance acquisition module, a construction information acquisition module, a safety propaganda acquisition module, a construction noise acquisition module, a data receiving module, a safety condition evaluation module, a data processing module, a master control module, an information sending module, a safety patrol distribution module and an alarm sending module. The weather information acquisition module is used for acquiring weather information of a construction site in a future preset duration from the Internet, wherein the weather information comprises wind power information, rainfall information and temperature information; the image acquisition module is used for acquiring image information in a construction site, and the image information comprises preset construction equipment image information and constructor image information. According to the invention, safety management and control can be better carried out on building engineering construction, and the safety of building engineering construction is improved.

The invention relates to a security protection device, which comprises a bluetooth chip, a first buzzer, an onboard power supply, a circuit line, a trigger region and a shell, and is characterized in that the first buzzer and the onboard power supply are connected with the first bluetooth chip and arranged inside the shell; one end of the circuit line is connected to a port of the first bluetooth chip, the other end of the circuit line is connected with another port of the first bluetooth chip after bypassing the trigger region so as to form a closed circuit, the trigger region is connected with the shell, the trigger region is solid in the internal part and wraps the circuit line, and the first buzzer is triggered to give out an alarm signal if the circuit line is broken. The security protection device can be independently used, and a plurality of security protection devices can also be connected with a central controller so as to form a security protection system. The security protection device can also be matched with the mobile phone in use. The security protection device has the characteristics of simple structure, convenient use, ability of meeting different arrangement requirements, ability of facilitating remote monitoring and the like.

The invention discloses an information security defense system based on big data in the technical field of information security defense. The system comprises data acquisition, data processing, a database, a server and a user side, and is characterized in that the data acquired by the data is stored in the database after being processed, the database is connected with the server, and the user sideobtains data from the database or uploads the data through the server; the database comprises a risk monitoring module, a risk analysis module and a risk evaluation module, and the risk monitoring module, the risk analysis module and the risk evaluation module are used for monitoring and analyzing data signals transmitted by the downlink of the database, so that a user can clearly know the security of the data, the user can be effectively prompted and data exception entries can be known, whether exceptional data is deleted and shielded or not can be selected, good controllable security is achieved, and the security defensiveness of information under big data can be effectively improved.

The invention discloses an electric vehicle control system and method which are divisional applications of the Chinese patent application CN201510104362.X. The electric vehicle control system comprises a central processor, a motor driving device, a power source, a wireless module, a data acquisition zone and a positioning system. The central processor is connected with the motor driving device, a battery, the wireless module and the data acquisition zone. The data acquisition zone comprises an NFC interaction zone and a two-dimensional code acquisition camera. The NFC interaction zone of an electric vehicle is clicked with mobile phone NFC, the two-dimensional code acquisition camera is started, an app installed on an intelligent terminal generates disposable two-dimensional codes with variable data with a designated algorithm, and the disposable two-dimensional codes are used for executing confirming operation in the process of opening or setting functional parameters of the electric vehicle; the authorized intelligent terminal is made to get close to the camera of the electric vehicle in a short distance, a correct two-dimensional code is displayed by a screen, and only after the two-dimensional code is captured by the camera of the electric vehicle and verified to be legal can the electric vehicle be started.