864results about How to "Realize transmission" patented technology

The invention discloses a wireless communication network data secure transmission method and system, and relates to the technical field of secure transmission. During system operation, agricultural monitoring data are collected in real time through various sensor devices arranged in an agricultural environment, encryption processing is performed by using a symmetric encryption algorithm, and a dynamic key length adjustment mechanism is supported; a random number generator is integrated, unified management is performed on key generation, distribution, updating and destruction in a system, a timestamp or a random serial number is embedded into each data packet, the uniqueness of the timestamp or the serial number is verified at a receiving end, so that replay attacks are resisted, and the data are comprehensively analyzed and evaluated according to a set algorithm, so that the replay attack is prevented. The method comprises the following steps: acquiring a security data transmission performance index SDTP through calculation, generating a monitoring report, detecting abnormal conditions in a data transmission process, including channel quality reduction, data loss or verification failure, and providing a visual monitoring result.

The invention provides an electric power mountain fire disaster prevention emergency resource optimization scheduling method and system based on a satellite internet, and relates to the technical field of electric power disaster prevention emergency. Performing feature extraction and fusion on the multivariate data based on a convolutional neural network to obtain a processing result; performing evaluation according to an analytic hierarchy process in combination with the processing result to generate a weight factor and determine an evaluation quantification result; based on a sky-ground integrated electric power forest fire disaster prevention emergency resource scheduling system, the evaluation quantification result and the weight factor, establishing a target function; establishing constraint conditions of the sky-ground integrated power mountain fire disaster prevention emergency resource scheduling system; and determining an electric power mountain fire disaster prevention emergency resource scheduling optimization scheme according to the constraint condition and the target function. Fire monitoring and information transmission can be achieved from multiple dimensions, the communication resource utilization rate of a disaster area can be improved, and the overall fire extinguishing time of electric power mountain fire can be shortened.

The invention designs a non-uniform Mie resonance structure, and according to an isofrequency curve and rotation characteristics of a metamaterial formed by the non-uniform Mie resonance structure when dipole resonance frequency occurs, the isofrequency curve of the non-uniform Mie resonance metamaterial is found to be a hyperbolic curve with great curvature and correspondingly rotates along with different rotation angles of unit structures under the frequency. The general direction of the refraction angle of the sound wave in the material corresponds to the rotation angle of the unit structure, and the angle of the sound wave emitted from the metamaterial is consistent with the angle of the sound wave emitted to the metamaterial. According to the invention, the non-uniform Mie resonance metamaterial capable of dynamically regulating and controlling the propagation of sound waves leftwards, rightwards and forwards and the total reflection of the sound waves in a sound channel is designed, an adjustable sound transmission channel similar to a labyrinth is established, and a single sound wave transmission path can be realized by dynamically changing the rotation angle of the non-uniform Mie resonance structure in the metamaterial; and simultaneous transmission of a plurality of sound waves can be realized.

The invention provides a multi-channel radio frequency front-end module and a communication system, and the method comprises a local oscillator module which is used for generating a local oscillator signal; the up-conversion transmitting module is connected with the local oscillator module to receive the local oscillator signal; the down-conversion receiving module is connected with the local oscillator module to receive the local oscillator signal; the control system is respectively connected with the up-conversion transmitting module and the down-conversion receiving module and is used for generating a first radio frequency signal, sending the first radio frequency signal to the up-conversion transmitting module and receiving a second radio frequency signal from the down-conversion receiving module; wherein the up-conversion transmitting module is used for performing frequency mixing processing on a first radio frequency signal and a local oscillator signal and then outputting a first W-band signal, and the down-conversion receiving module is used for performing frequency mixing processing on a received second W-band signal and the local oscillator signal and then outputting a second radio frequency signal to a control system. Therefore, the embodiment of the invention can meet the application requirements in the millimeter wave radar field.

The invention relates to the technical field of garbage crushing, and discloses a construction garbage crushing treatment mechanism based on new energy, the construction garbage crushing treatment mechanism comprises a conveying mechanism and a three-axis adjusting mechanism erected behind the conveying mechanism, the conveying mechanism can convey construction garbage, and a programmable controller is fixedly mounted on the front side of the conveying mechanism; a visual detection mechanism and a crushing mechanism are arranged at the end, close to the conveying mechanism, of the three-axis adjusting mechanism. According to the construction waste crushing treatment mechanism based on the new energy, construction waste is intermittently conveyed through the conveying mechanism, visual identification is conducted on the construction waste through the visual detection mechanism, the size of the construction waste is judged, and the programmable controller controls the three-axis adjusting mechanism to drive the crushing mechanism to move according to detection data; and the crushing driving motor drives the crushing drill rods to stretch out and draw back in a reciprocating mode, and continuous crushing treatment on large-size construction waste can be achieved.

The invention discloses an inter-satellite link secure transmission method based on a hybrid covert strategy, and belongs to the field of electronic communication. According to the invention, more randomness and friendly interference are introduced from three layers of a network layer, an MAC layer and a physical layer, and potential eavesdroppers are confused; in a network layer, a random routing unit is adopted, a plurality of routing paths meeting communication requirements are dynamically selected to replace a single optimal path, and a selection probability is distributed to each routing path according to routing metrics. In the MAC layer, the spectrum sharing technology is utilized to distribute less power for the information needing to be hidden, so that the signal detection probability is reduced, and the communication security is improved. In a physical layer, a rate division multiple access unit and a superposition coding technology are adopted, so that a plurality of users can efficiently share the same time-frequency resource at the same time. According to the invention, the communication efficiency can be improved, and the transmission randomness and complexity can be further improved, so that the communication security is enhanced.

The invention discloses an Internet of Things authentication method and system, and relates to the technical field of Internet of Things. The system comprises a quantum machine learning behavior analysis module, a multi-factor authentication module, a block chain and intelligent contract module, an edge computing authentication processing module, a self-adaptive authentication strategy and risk assessment module, a privacy protection and data desensitization module and a cross-platform interoperation module. According to the invention, the security, efficiency and flexibility of the Internet of Things authentication system are significantly improved, so that the system can efficiently identify abnormal behaviors of equipment, effectively prevent potential security threats, significantly reduce authentication delay, and improve the response speed and user experience of the system. Therefore, the problems existing in the aspects of safety, authentication efficiency and expandability of a traditional authentication method are solved, and a safer, more efficient and more extensible authentication mechanism is provided for the Internet of Things equipment.

The invention discloses an enterprise data intelligent analysis system based on deep learning, which relates to the technical field of data analysis, and realizes real-time acquisition and transmission of data through a data acquisition and processing module, division of department areas and integration of a staff performance system, a training system and an attendance system through multiple APIs (Application Program Interface); the effective data analysis module analyzes performance data and calculates a performance index Jxzs, the loss prediction analysis module predicts employee loss in combination with historical demission data and a performance evaluation result, the recruitment demand analysis module predicts recruitment demands in advance and calculates a recruitment demand index Zpzs, and the learning model optimization module optimizes a model and updates a data set. The real-time performance and the accuracy of the model are ensured; the system evaluates each index by presetting a plurality of thresholds, generates a corresponding evaluation result and proposes improvement measures, thereby effectively reducing the employee loss risk, and improving the recruitment efficiency and employee satisfaction.

The invention belongs to the technical field of satellite communication, and discloses a high-efficiency communication resource allocation method for a low-orbit communication satellite, which comprises the following steps of: (1) arranging a ground wave position according to a satellite height and a coverage area; (2) estimating the satellite service time and the hopping beam period according to the satellite height and the service distance; (3) estimating time resources required by sensing according to the ground wave position distribution and the sensing target type; (4) estimating resources required by communication according to the geographic position and the development condition of the ground wave position; (5) for a specific scene, performing time slot allocation joint optimization according to perception and communication requirements; and (6) generating a hopping beam pattern according to communication and sensing characteristics by using a time slot allocation result. According to the invention, the sensing module is introduced, joint optimization is carried out on the hopping beam time slot distribution, the hopping beam pattern is generated, on the basis of not damaging the original communication system, the communication and sensing integrated design is realized, the system efficiency is maximized, and the method is more suitable for the communication and sensing scenes of future low-orbit satellites.

The invention provides a link tracking method and system for a service cluster based on log burying points, and belongs to the technical field of distributed monitoring. According to the method, a link tracking ID is generated through a snowflake algorithm at a starting point of service calling, and service IDs are distributed to micro-service nodes participating in service calling; setting log burying points at the entrance, the exit and the key logic processing points of each service according to preset burying point logic; asynchronously recording link tracking information contained in the service node through the log burying point, and uploading the information to a storage system for storage; according to the link tracking ID and the service ID in the link tracking information, the link tracking information is connected in series, a complete calling link called by the service is restored, and meanwhile a service calling topological graph is generated. According to the method, real link information can be quickly and accurately tracked, and quick retrieval and analysis of a large amount of real-time link data can be supported.

The invention discloses a trusted DCS implementation method and system fusing point-to-point and server architectures, and relates to the technical field of industrial control systems, and the method comprises the steps: building a data link of a calculation part and a protection part on a terminal of a trusted DCS; establishing a data link between the trusted upper computer and the trusted management platform on the trusted upper computer; releasing trusted data of the trusted DCS in the point-to-point architecture of the DCS; and credible state prompting and alarming functions are added in a diagnosis page of the DCS, and credible item starting and stopping, credible abnormity alarming and alarming processing are carried out. According to the invention, by establishing a trusted data link, realizing data intercommunication and introducing a dynamic credibility evaluation mechanism, real-time data release and transmission of trusted information are realized in a point-to-point architecture of the DCS, so that the DCS system can know trusted state change in real time and give an alarm, the ability of the system to resist security threats is remarkably improved, and the reliability of the system is improved. And meanwhile, the compatibility with the existing DCS architecture is kept.

The invention discloses a data transmission method and device, a sending node and a receiving node, and belongs to the technical field of communication, and the data transmission method comprises the steps that the sending node sends a first data packet to the receiving node based on a target protocol; wherein the target protocol comprises at least one of a first protocol of a data plane and a second protocol of the data plane, the first protocol is located on a non-access stratum (NAS) protocol, and the second protocol is located on an access network protocol layer; the first data packet comprises at least one of a data packet generated according to the control information of the data surface and a data packet generated according to the data of the data surface.

The invention provides a double-sided patterning method for a hemispherical resonance plate electrode and a plate electrode, and the method comprises the steps: clamping the side surface of an electrode body by adopting an annular clamp with grids, placing the electrode body in a film plating machine, and plating metal films on the front and back surfaces of the electrode body, meanwhile, the side face of the electrode body is plated with a grid metal strip film by adjusting the magnetron sputtering angle and the grid-shaped clamp; the metal films on the front and back surfaces of the electrode body are communicated through the grid metal strip films on the side surfaces; spraying glue on the surface of the coated electrode; the electrode is placed on a suction cup of a photoetching machine, the T-shaped mark on the suction cup is aligned with the grid metal strip on the side face of the electrode, and first alignment is completed; pushing the suction cup into the photoetching machine, and aligning the T-shaped mark on the mask with the T-shaped mark on the suction cup to complete secondary alignment; and developing and corroding to finish the double-sided patterning for the hemispherical resonance plate electrode. According to the technical scheme, an original porous electrode scheme needing a pin cap lead can be simplified.

The invention relates to a hollow-core optical fiber guide type cold atom inertia measurement system and a use method, and belongs to the technical field of cold atom interference measurement inertia. The hollow-core optical fiber guide type cold atom inertia measurement system comprises a vacuum cavity assembly, a laser coupling module I, a laser coupling module II, a cold atom group preparation module and a gravitational acceleration measurement module, according to the invention, a uniform light potential well is constructed by using the hollow-core optical fiber with low loss, high bandwidth and large core diameter, long-distance constraint and guidance are carried out on the cold atom ensemble, and a guide light field applies an optical fiber radial constraint force to the atom ensemble, so that the degree of freedom of motion of the atom ensemble in a non-measurement direction can be inhibited; gravity measurement in a dynamic environment and gravity component measurement in any vector direction are achieved, meanwhile, the size and power consumption of the system are reduced, and integration and engineering of the system are achieved.

The invention discloses a modularized intelligent low-voltage measurement and control device, and relates to the technical field of modularized intelligent low-voltage measurement and control devices, the modularized intelligent low-voltage measurement and control device comprises a measurement and control mechanism, the measurement and control mechanism comprises two connecting blocks and two hand twisting rods, the top of each connecting block and the bottom of each connecting block are provided with plate grooves, and the plate grooves are connected with the hand twisting rods. A perforated plate is arranged in each plate groove, hand screwing bolts penetrate through the surfaces of the two connecting blocks in a threaded mode, torsion springs are arranged on the outer surfaces of the two hand screwing rods, and clamping holes are formed between the inner walls of the rectangular holes and the inner walls of the rectangular grooves; according to the modularized intelligent low-voltage measurement and control device, through the arrangement of the auxiliary mechanism, the measurement and control device can have multiple installation modes, then the use places of the modularized intelligent low-voltage measurement and control device can be increased, and then the use efficiency of the modularized intelligent low-voltage measurement and control device can be improved.

The invention discloses anti-swelling hydrogel with high toughness and rapid self-recovery and application of the anti-swelling hydrogel as a strain sensor. The preparation method comprises the following steps: dissolving a polymerizable monomer containing carboxyl, an acrylate monomer containing phenyl or phenoxy, multivalent ion salt and a photoinitiator in dimethyl sulfoxide (DMSO) to prepare a uniform precursor solution; carrying out ultraviolet polymerization on the precursor solution in an inert atmosphere to obtain organic pregel; and soaking the organic pre-gel in a large amount of water, and removing the solvent in the gel through solvent exchange to obtain the final hydrogel. The hydrogel has excellent mechanical performance, sensing performance and anti-swelling performance, and is used as a strain sensor to transmit information based on Morse passwords in an underwater environment.

The invention discloses a cross-network-segment data transmission method and device, a program product and electronic equipment, and relates to the technical field of network security, and the method comprises the steps: transmitting target request information of a first network segment to a target queue, the target queue being a message queue deployed in the first network segment, and then transmitting the target request information of the first network segment to the target queue; and determining return data corresponding to the target request information in the target queue through the second network segment, the return data being data stored in the second network segment and needing to be transmitted to the first network segment, and then transmitting the return data to a target database, the target database being a memory database deployed in the first network segment. According to the method and the device, the technical problem of low data transmission security caused by the fact that data needs to be manually exported and copied from network segments in the prior art when data transmission is carried out between different network segments with network isolation is solved.

The invention relates to an image acquisition system, a control method and a storage medium. The system includes: a DVP device configured to generate DVP image data, a pixel clock signal, a row reference signal, and a frame synchronization signal; a data channel selector configured to switch between the DVP image data and the external memory controller data; an external storage device configured to store the DVP image data; and the micro-control unit is configured to control the DVP equipment, the data channel selector and the external storage equipment, and the micro-control unit counts the number of line synchronization signals of an image output by the DVP equipment. According to the image acquisition system provided by the invention, interface limitation is solved, a part of MCUs which are not provided with DVP interfaces but are provided with EXMC interfaces can execute DVP image acquisition tasks, the use scenes of the MCUs are expanded, and the development threshold of image acquisition and processing is reduced.

The invention relates to the technical field of motors, in particular to a planetary gear motor for a humanoid robot, which comprises a push rod, a motor, a first planetary reducer and a second planetary reducer, the motor is provided with an input shaft; the first planetary reducer comprises a first sun gear and a first planet carrier rotationally arranged outside the first sun gear in a sleeving mode. The second planetary reducer comprises a second sun gear and a second planet carrier rotationally arranged outside the second sun gear in a sleeving mode. The first sun gear is connected with the input shaft; the second sun gear is rotationally connected with the first planet carrier; the push rod is provided with a control rod; the control rod is connected with the input shaft profile; a locking assembly is arranged among the control rod, the first sun gear, the first planet carrier, the second sun gear and the second planet carrier. According to the control rod, transmission or separation among the first sun gear, the first planet carrier, the second sun gear and the second planet carrier can be achieved through the locking assembly, and therefore the planetary gear motor for the humanoid robot can adjust and output different reduction ratios.

The invention discloses an environmental climate bionic culture cabin which comprises a cabin body, a fungus culture area arranged in the cabin body and an air conditioning module for controlling the air environment of the fungus culture area. The fungus culture area comprises a culture frame and a culture medium; the air conditioning module is used for simulating an air environment of a fungus origin; the air environment comprises air pressure, temperature, humidity and gas concentration; the air conditioning module is controlled by the central control system; the air conditioning module comprises an air pressure adjusting module, a temperature adjusting module, a humidity adjusting module and a gas concentration adjusting module. The invention aims to accurately simulate the natural environment of the origin of rare fungi through an advanced sensing technology and a real-time data transmission system. Particularly, under the extreme weather condition, the system adopts a multi-stage vacuum pump and a PID control algorithm to quickly adjust the air pressure, temperature lag compensation is achieved through a predictive control algorithm, and it is ensured that temperature change and air pressure change are synchronous.

The embodiment of the utility model relates to the technical field of electronic devices, provides a waveguide antenna, a waveguide antenna assembly, a radio frequency device, a radar and electronic equipment, and can realize signal transmission between the waveguide antenna and a chip without arranging an additional conversion structure, thereby greatly reducing the structural complexity and the production cost. The waveguide antenna comprises a plurality of waveguide interfaces arranged in an array, and the adjacent waveguide interfaces are orthogonally arranged; the waveguide interface comprises a single ridge-shaped waveguide port, and the single ridge-shaped waveguide port is used for transmitting radio frequency signals radiated and / or received by the waveguide antenna.

The utility model discloses a weeding device for a wide-narrow row planting area, which relates to the technical field of weeding and comprises a moving machine body, a connecting frame, a main cutter head, a swinging arm, an auxiliary cutter head, a driving part, a main transmission mechanism and an auxiliary transmission mechanism, a main cutting knife is rotatably arranged in the main cutter head, and an auxiliary cutting knife is rotatably arranged in the auxiliary cutter head. The swinging arm capable of relatively moving is arranged on the main cutter head on the connecting frame, the auxiliary cutter head is arranged at the end of the swinging arm, and the swinging arm is driven by the synchronous swinging mechanism to realize relative swinging, so that the included angle between the auxiliary cutter head and the main cutter head is adjusted, and the transverse cutting length of the weeding device is adjusted. Meanwhile, the main transmission mechanism is arranged, so that when the main cutting knife rotates, the auxiliary cutting knife is driven to synchronously rotate for weeding. In addition, by arranging the auxiliary transmission mechanism, transmission among the multiple auxiliary cutting knives is achieved, so that synchronous rotation of the multiple auxiliary cutting knives is facilitated for weeding.

The utility model discloses an intelligent charging and discharging system, and belongs to the technical field of charging and discharging. Comprising a main control module, the system comprises a temperature sensor module, a heat dissipation assembly, a first charging and discharging management module, a second charging and discharging management module, a third charging and discharging management module, an auxiliary power supply monitoring module, a touch screen module, a switch assembly, a data storage module, an external communication interface module, a fourth charging and discharging management module, an auxiliary power supply module and an external power supply module. A first constant-current constant-voltage output module, a second constant-current constant-voltage output module, a portable charger and an electronic load module; the storage battery can be charged and discharged, the charging and discharging working conditions of the storage battery can be automatically monitored, online monitoring maintenance and data recording, storage and transmission of charging and discharging of the storage battery can be achieved, and the single storage battery can be monitored. The anti-reverse connection charging control circuit can prevent the battery from being damaged by reverse connection, protect equipment from being damaged, and prevent safety accidents caused by current backflow.

The embodiment of the utility model provides an electric connection structure and electronic equipment, the electric connection structure comprises a plug, a socket and a key, one of the plug and the socket is provided with a first limiting structure, the other of the plug and the socket is provided with a buckle, and the plug and the socket are detachably connected through the buckle and the first limiting structure; the plug comprises a second electric connecting piece, and the socket comprises a first electric connecting piece; under the condition that the plug and the socket are plugged in a matched manner, the second electric connecting piece is electrically connected with the first electric connecting piece, and the buckle is clamped with the first limiting structure; the key is used for pushing the first limiting structure or the buckle to move, and limiting of the buckle by the first limiting structure is relieved by pressing the key. Limiting of the buckle by the first limiting structure can be relieved by pressing the key, so that the plug can be easily pulled out of the socket, and the problem that the plug and / or the socket are / is damaged when operation is improper is effectively avoided.

The invention provides a networking communication method and device and electronic equipment. The method comprises the following steps: all network nodes perform traversal search from a head node according to a predetermined sequence, so that each network node obtains corresponding rear node information, and under the condition that the network nodes have corresponding rear nodes, the rear node information of the network nodes further comprises rear node information of rear-stage nodes; the head node forwards the full-node information to other network nodes; and under the condition that the source network node receives a transmission request for transmitting the data packet to the target network node, the source network node determines a target transmission path from the source network node to the target network node according to the full node information, and transmits the data packet according to the target transmission path, and the method solves the problem of low networking efficiency in the prior art.

The invention relates to the technical field of communication navigation, and particularly discloses an RSMA-based communication and navigation integrated signal positioning method, which comprises the following steps of: performing time service synchronization on a base station by using a navigation satellite, and acquiring navigation positioning information required by a user side by the base station; rSMA coding is carried out on the information at the transmitting end of the base station, and communication and navigation integrated signals are generated and comprise a public flow and a private flow; the transmitting end of the base station performs distribution according to the power of the public flow and the private flow, and broadcasts the communication and navigation integrated signal to the user side; the user side receives the communication and navigation integrated signal to obtain required positioning information; the user side feeds back channel state information in the private stream in the received communication and navigation integrated signal to the base station, and the base station adjusts the power distribution proportion of the public stream and the private stream according to the fed back CSI information and broadcasts the communication and navigation integrated signal to the corresponding user side again; and the user side demodulates the received corresponding private stream to obtain the required communication information.

According to the precise pig feed feeding method and device, data of a plurality of feeders are obtained and transmitted to a host for processing in real time, it can be ensured that a feeding plan is generated based on latest accurate data, personal errors are avoided, precise feeding is achieved, the feeders conduct feeding according to the plan, the feeding amount is precisely controlled in combination with liquid level detection and a touch device, and the feeding efficiency is improved. Meanwhile, according to actual demands of pigs, personalized feeding plans are made, appropriate nutrition intake is ensured, excessive or insufficient feeding is avoided, the feed utilization rate is optimized, waste is reduced, breeding benefits are improved, real-time data collection and transmission and automatic generation and issuing of the feeding plans are achieved, management is simplified, manual intervention is reduced, and the feeding efficiency is improved. The efficiency and the quality are improved, the nutrition intake is balanced, the immunity of the pigs is improved, the growth speed and the meat quality are improved by optimizing the feeding plan, and remarkable economic benefits are brought to the breeding industry.

The invention discloses a marine ecological environment automatic monitoring data transmission method and a marine ecological environment automatic monitoring data transmission system, and relates to the technical field of marine ecological environment monitoring, and the marine ecological environment automatic monitoring data transmission method comprises the following steps: S1, receiving a transmission request, and constructing a transmission strategy according to the transmission request; s2, receiving automatic monitoring data according to a data uploading strategy in the transmission strategy; and S3, processing the automatic monitoring data according to a data transceiving strategy in the transmission strategy to obtain transmission data, and transmitting the transmission data. According to the method and the device, the transmission strategy can be quickly constructed, the automatic monitoring data of different monitoring items and / or different types of equipment can be ensured to meet respective transmission requirements, and resource waste caused by repeated compilation can be reduced.

The invention relates to the technical field of data transmission, and provides a device for realizing fgOTN transmission and intersection, which comprises a first branch unit, a switch unit and at least one second branch unit, and is characterized in that the first branch unit is connected with the switch unit, and the switch unit is respectively connected with each second branch unit; the first branch unit is used for receiving customer service data and packaging the customer service data in an fgOTN frame format to obtain an Ethernet packet corresponding to the customer service data; the switch unit is used for receiving the Ethernet packet transmitted by the first branch unit, and determining a target transmission port required for transmitting the Ethernet packet to each second branch unit based on a static MAC table and a media access control MAC address of each second branch unit; and forwarding the Ethernet packet to each second branch unit in a cross manner through the target transmission port. According to the invention, fgOTN cross transmission is directly realized by using the existing switch, the characteristics of the existing switching network are compatible, and the cost of fgOTN cross equipment is reduced.

The invention provides a rail transit vehicle-mounted big data storage, analysis and transmission device and method.The big data storage, analysis and transmission device is arranged in a 3U case and comprises a dual-power module, a communication module, a CPU module, a PHM module and a safety module; the communication module is in data communication with a train control network, train control network data collection is achieved, and the collected data are sent to the CPU module through the Ethernet. The CPU module monitors the health state of each module and communicates with a train control system through the communication module; the PHM module realizes data interaction with each system through an Ethernet interface, realizes storage of system state diagnosis data, performs data interaction with the CPU module through the Ethernet, and displays storage of train control data; and an Ethernet security isolation module established by the security module realizes security protection between the vehicle internal network and the ground network. According to the invention, collection of big data of the train is realized, collection and transmission of monitoring data of an intelligent train system are realized to the greatest extent, a safe and reliable data transmission method is provided, and sufficient data support and a safe data transmission strategy can be provided for an intelligent train operation and maintenance system.