52results about How to "Avoid security threats" patented technology

The invention relates to the technical field of Internet of Things security, and provides a security authentication method and system for an Internet of Things device, a medium and a device, and the method comprises the steps: responding to an authentication request of the Internet of Things device, the authentication request comprising a unique identifier, a current timestamp and a comprehensive feature vector of the Internet of Things device; after the current timestamp and the comprehensive feature vector are connected, generating a random challenge value through a random function and sending the random challenge value to obtain a returned Internet of Things equipment response value; after the authentication key, the comprehensive feature vector and the random challenge value are connected, an expected response value is generated through a secure hash function, and whether the Internet of Things equipment is successfully authenticated or not is judged through comparison; and if the authentication is successful, generating a session key, connecting the authentication key with the session key, and updating the authentication key through a secure hash function. The common security threats such as replay attack and man-in-the-middle attack are effectively prevented, and the uniqueness and security of each authentication are ensured.

The invention provides an intelligent power grid safety early warning system and a monitoring method in the technical field of intelligent power grids, which are used for solving the problem of safety early warning and monitoring function defects of the existing imperfect intelligent power grids, and comprise an information acquisition unit, a data management unit, an abnormity analysis unit and a safety early warning unit, the method comprises the steps of collecting power grid real-time data and line equipment data; constructing an adjacent matrix and a target matrix, calculating and analyzing to obtain a node weight and a target correlation degree, and analyzing by using a discrete model to obtain a dispersion index; a data evaluation value is obtained, and a data abnormal value is obtained through analysis; and generating intelligent power grid safety early warning information and a disaster recovery strategy according to the data abnormal value and the line equipment data. By constructing an intelligent power grid monitoring and early warning system, power grid equipment with potential safety problems is predicted in real time, the operation and maintenance efficiency is improved, the method can be suitable for power grid systems of different scales, the influence of faults on power grid operation is reduced, and large-area power failure events are effectively prevented.

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 provides a method and a system for preventing tampering of a database audit log based on searchable encryption, which not only can solve the problems of internal attacks of auditing personnel and tampering of auditing certificates in a traditional database audit system, but also can further improve the security of the audit system, and each role independently holds a private key, so that the security of the audit system is improved. And private data security protection is realized by using secret data transmission between the database server and the user. In order to solve the elliptic curve problem, the database server identity and the user identity participate in encryption calculation, and internal attacks and malicious monitoring and tampering of data transmission are prevented. Compared with the prior art, the method has the technical advantages that (1) data privacy protection is enhanced: key management of a symmetric encryption algorithm in a traditional scheme has many challenges, more randomness and complexity are introduced in the encryption process, and a database server independently has a personal private key, so that the privacy protection is enhanced; the threat to the security of the whole system caused by the privacy leakage of a single user or the leakage of the master key is prevented, and the key management is relatively simple. (2) internal attack and tampering resistance: a traditional database auditing system is easily attacked by internal personnel and tampered by auditing certificates, and integrity verification is performed on log information based on identity and IP thoughts, so that the reliability of the auditing system is improved, the independence and credibility of the auditing process are ensured, and the attack resistance is improved.

The invention discloses a secure transmission method for a 5G communication technology, and the method comprises the steps: carrying out the sensitivity evaluation, feature extraction, classification labeling and data block adjustment of to-be-transmitted data, and generating a data block set; generating a key in combination with a key exchange protocol, and selecting a proper encryption algorithm to encrypt the data blocks according to key characteristics to form an encrypted data block set; through preliminary authentication, hash chain verification in a transmission process and integrity verification at the end of transmission, security verification of identity and data is realized, and an authenticated encrypted data block is output; performing homomorphic encryption processing or data mask protection on the data stream to obtain an encrypted protection data stream, and transmitting the encrypted protection data stream; and monitoring the transmitted protection data stream in real time, predicting the traffic and an anomaly score through a traffic anomaly identification model based on the LSTM, and judging whether an anomaly exists based on a set self-adaptive risk threshold so as to perform source tracing and attack blocking.

The invention discloses an SSLVPN (Secure Socket Layer Virtual Private Network) identity authentication method, device and equipment based on quantum key distribution, and belongs to the technical field of secure socket layer protocol server authentication. Wherein a quantum communication encryption channel is established between the client and the SSLVPN server through the quantum transceiver module, key negotiation is carried out, and transmission encryption of data is completed in combination with an SSL / TLS protocol; through the quantum receiving and transmitting module, after each communication is finished, the two parties regenerate and share a new shared key, so that the security risk possibly caused by using the same key for a long time is avoided; meanwhile, a quantum enhanced identity authentication server is introduced in a user identity authentication process to perform secondary authentication, biological recognition data is encrypted through a quantum key and is transmitted to the identity authentication server to complete biological characteristic comparison, so that the non-tampering property and high confidentiality of the data in a transmission link are ensured; therefore, the security and reliability of identity authentication are further improved.

The invention discloses a wireless communication control management method and system for an intelligent parking lock, relates to the technical field of wireless communication, and aims to accurately trigger user scene matching and security level distribution by continuously detecting the position of user equipment in a binding list and judging a behavior scene of a user in combination with a preset recognition area. And safety protection is further improved. An unlocking mode M is flexibly switched according to different security level indexes Sse, deep evaluation is carried out in combination with fitting analysis of the unlocking mode M and the security level indexes Sse to obtain a security demand factor Rse, and finally a security demand coefficient Rfinal is obtained through secondary fitting with a position difference value Dloc and timestamp information for triggering a security demand evaluation mechanism. Through comparison with the preset security demand evaluation threshold value Rth, whether a higher security policy needs to be executed can be accurately judged, so that the overall security is improved, and the unnecessary operation complexity is reduced.

The invention discloses a system for updating software of a rail transit CBTC (Communication Based Train Control) signal system, which comprises an upgrading server serving as an upgrading initiator and a client system applied to equipment to be upgraded, the upgrading server comprises a database module used for storing the version of the software operated by the current client, the public key of the client and the version of the software to be upgraded; the encrypted packet generation module is used for signing and encrypting an original upgrade packet imported by a user; the first log management module is used for recording events and errors occurring in the upgrade server; the first interface module is used for being responsible for an interface between the first interface module and the upgrade server operating system; and the first TFTP module is used for providing a method for downloading the encrypted software package by the client. The invention further discloses a rail transit CBTC signal system software updating method. According to the method, the problem that the software updating of the rail transit CBTC signal system needs to consume a large amount of manpower, material resources and time is solved.

The invention discloses a security baseline trust evaluation method and system based on user behaviors, and relates to the technical field of network security, and the method comprises the steps: collecting behavior data and context awareness data of a user, analyzing the behavior data and context awareness data of the user, and calculating a current trust value of the user; setting an initial security baseline, and comparing the current trust value of the user with the initial security baseline to perform user trust evaluation; and performing permission control on the user based on the current trust value of the user. According to the method, the user behavior data and the context awareness data are collected, the comprehensive data set is constructed and analyzed to calculate the current trust value of the user, the trust value can be adjusted in time when the user behavior is abnormal, potential security threats are avoided, the operation behavior of the user can be evaluated more comprehensively and accurately, and the user experience is improved. By calculating the trust value in real time and dynamically adjusting the access authority of the user, the security of the system is enhanced, and the adaptive capacity in a complex environment is improved.

The utility model provides a battery, a battery pack and an energy storage system, and belongs to the technical field of batteries. A battery cover plate and a battery shell of the battery are connected and matched to form a closed cavity for accommodating a battery cell. The battery cover plate comprises a cover plate and an insulating base plate which are laminated, a valve hole penetrating through the cover plate and the insulating base plate, and an anti-explosion valve for sealing the valve hole, the explosion-proof valve comprises a valve plate and an insulating fireproof layer which are sequentially distributed along the axis direction of the valve hole, the insulating fireproof layer is closer to the battery core relative to the valve plate, the insulating fireproof layer is provided with a tearing line, the tearing line comprises a plurality of holes which are arranged at intervals, and the insulating fireproof layer is a fireproof crack piece which can be cracked based on the tearing line and can be expanded outwards along the radial direction. And the fireproof splinters can cover metal at the valve hole when being unfolded, which comprises at least one of the inner wall of the valve hole, the plate surface of the cover plate located at the outer side of the valve hole and the rupture valve plate, so that the risk of fire caused by friction between the active substance and the metal at the valve hole is reduced, and the thermal runaway of the aggravated battery cell is avoided.

The present invention belongs to the field of electromagnetic compatibility, and relates to an anti-rebound interference power supply filter for suppressing the counter-interference generated by the current surge during the operation of electrical equipment with high-power IGBT elements as the core on the DC power bus. It is mainly used in the DC power supply system of Dongfeng diesel locomotives to suppress the counter-interference generated by the current surge during the operation of the air-conditioning inverter connected to the locomotive power bus on the bus, and improve the reliability and safety of other electrical equipment in the same power bus. The power supply filter includes: a group of π-type low-frequency filter circuits for suppressing electromagnetic interference of low-frequency components, a group of fourth-order Butterworth high-frequency filter circuits for suppressing electromagnetic interference of medium and high-frequency components, and a group of RDC damping absorption circuits with redundancy for suppressing high-amplitude DC current surges. The low-frequency filter circuit and high-frequency filter circuit of the present invention adopt a fully balanced circuit structure, so that the surge of counter-interference can be suppressed when it is connected to the bus from the positive terminal or the negative terminal.

The application belongs to the technical field of part cutting, in particular to a loader drive axle machining and cutting device, which comprises a workbench, a cutting machine and a double-station switching assembly; the upper side of the workbench is provided with a sink; the top of the workbench is fixedly connected with a portal frame; the surface of the portal frame is fixedly connected with a telescopic cylinder; the double-station switching assembly comprises a sliding plate, a gear, a toothed plate and a motor one; the surface of the sliding plate is provided with two stations, each station is provided with a positioning mechanism and a cutting seam; the inside of the workbench is rotatably connected with a gear; the bottom of the sliding plate is fixedly connected with a toothed plate; the side of the workbench is fixedly connected with a motor one; the double-station switching assembly can move the workpiece that has completed cutting to the loading and unloading area, and at the same time, the workpiece that has completed installation is moved to the cutting area, so that the cutting and loading and unloading operations are simultaneously performed, and the auxiliary working time of the equipment is effectively shortened.

The utility model discloses a retaining needle isolation plug separation blade limiting structure, which belongs to the technical field of medical products and comprises a catheter seat, a branch tube and an isolation plug, the catheter seat is fixedly connected with the branch tube and communicated with the branch tube, the isolation plug is arranged in the catheter seat, two socket grooves are formed in the circumferential surface of the catheter seat, and the socket grooves are communicated with the branch tube. The two socket grooves are symmetrically distributed and are communicated with the conduit seat, an opening latch baffle plate is detachably connected in the conduit seat, the opening latch baffle plate is positioned on one side of the isolation plug and corresponds to the two socket grooves, and an extrusion opening is formed in the opening latch baffle plate; according to the utility model, the whole limiting structure can respectively adopt various different structures to be matched to limit the isolation plug, so that the isolation plug can be stabilized in the catheter seat, the sealing effect and the normal use of the remaining needle are effectively prevented from being influenced by the isolation plug which is opened, and the risks of pollution and liquid leakage of the remaining needle are avoided; and the safety threat is caused to a patient using the remaining needle.

The present invention discloses a network information security analysis method and system based on data analysis, which relates to the field of network security technology. When the system is running, it realizes comprehensive monitoring and intelligent protection of network security, collects visitor's network traffic, logs, user behavior and system event data in real time, and forms a complete data set D. Through data denoising, filling missing values ​​and data format conversion preprocessing steps, the feature extraction module further extracts key features from network traffic, logs, user behavior and system events to form a feature data set X. features ,The behavior analysis module uses machine learning algorithms to establish a baseline model, ,obtains the matching result of the anomaly evaluation index S and the preset threshold Y through ,training and analysis of historical data and feature data sets, formulates ,visitor anomaly evaluation strategy, and implements corresponding access restrictions and ,notification measures to eliminate the protection blind spots of a single device and ,achieve comprehensive network monitoring.

The lower air supply air conditioning unit comprises an evaporator, a water receiving disc and a water baffle, the water receiving disc is located at the lower end of the evaporator, an air channel allowing airflow to flow through is defined in the evaporator, and a ventilation opening is formed in the position, below the air channel, of the water receiving disc. The evaporator is arranged in the air duct, the air duct is arranged in the air duct, air flow on the periphery of the evaporator enters the air duct after being subjected to heat exchange through the evaporator and further penetrates through the ventilation opening downwards, the water baffle is further arranged on the water pan, the ventilation opening is provided with a central axis, and the lower end of the water baffle is connected with the water pan. The upper end of the water baffle extends upwards and extends in the direction close to the central axis at the same time so as to extend to the position above the ventilation opening, and an inclined baffle is formed. According to the air conditioner indoor unit, the problem that part of condensate water at the bottom of the evaporator in the lower air supply air conditioner indoor unit flows along with return air and splashes down into a lower air duct can be solved.

The present invention provides a detection and processing method, device, electronic device and storage medium for unmanned aerial vehicle equipment, the method comprising collecting each initial signal of all working channels of analog image transmission according to a preset time length; for each initial signal, determining whether there is a unmanned aerial vehicle equipment based on the initial signal; if there is, using the working channel corresponding to the unmanned aerial vehicle equipment as the target channel; collecting the analog image transmission signal in the target channel; restoring the corresponding video frame image based on the analog image transmission signal; and determining the positioning of the unmanned aerial vehicle equipment based on the video frame image. The present invention first traverses each working channel to determine the channel with a synchronization head, that is, the channel where the unmanned aerial vehicle equipment communicates, so as to identify the analog image transmission signal; then processes the video frame image obtained by restoring the analog image transmission signal to accurately extract the longitude and latitude data of the unmanned aerial vehicle, realize the real-time positioning of the unmanned aerial vehicle, and thus avoid the problem of security threats.

The invention belongs to the technical field of computer security, and particularly discloses a semantic gap vulnerability defense method and system based on Arm pointer authentication, and the method comprises the steps: obtaining a target request based on a unique identity label bound with the target request, a digital signature corresponding to the target request and a signature of a resource identifier corresponding to a trusted execution environment resource; verifying the access security of the target request to the trusted execution environment resource; under the condition that the verification is passed, in response to the target request, executing an access operation on the trusted execution environment resource; the unique identity identifier of the client application is bound to a target request through an Arm pointer authentication mode when the client application initiates a request for trusted execution environment resources. Through the application, the request parameters and requester identities of the CAs from a common world can be verified, operation and data isolation between different CAs are ensured, and semantic gap vulnerabilities are effectively defended.

The invention relates to the technical field of data storage, in particular to a database-based petroleum well site data storage method. The method comprises the following steps: acquiring petroleum well site data; establishing an external data source; acquiring a petroleum well site data acquisition instruction; establishing data transmission connection between the petroleum well site data acquisition instruction and an external data source based on a preset data management system, generating a transmission connection instruction, and performing data security detection processing on the transmission connection instruction to generate a petroleum well site data security connection instruction; according to the invention, through full-life-cycle management of the petroleum well site data, high-quality, integrity and security management of the data is realized from links of data acquisition, transmission, security detection, preprocessing, storage encryption and the like, and the reliability and analysis value of the data are improved.

The present invention relates to a business access control system based on zero trust, including: a client sub-gateway, a zero-trust controller, a central gateway, and a key management server; the central gateway is communicatively connected to the key management server, the key management server, the client sub-gateway, and the central gateway are respectively communicatively connected to the zero-trust controller, and the client sub-gateway is communicatively connected to the client. A business access control system and control method based on zero trust provided by the present invention can effectively overcome the reliance on boundary protection in the prior art. In the solution provided by the present invention, before access is allowed, all access subjects need to be authenticated and authorized, which solves the security threats brought by the current enterprise business architecture with blurred boundaries and effectively improves the security performance of the business access control system.

The invention discloses a cloud dynamic key distribution mechanism for a centralized charging platform, and the core of the mechanism is that a key is dynamically generated and distributed through an authentication center to ensure that a unique key is used in each communication, so that the safety is greatly improved. Compared with a traditional static secret key, the risk of secret key leakage is greatly reduced due to the fact that even if the secret key is intercepted in certain communication, the secret key cannot be used in the subsequent communication process, the core of the mechanism is that the secret key is dynamically generated and distributed through the authentication center so that it can be ensured that the unique secret key is used in each communication, and the communication efficiency is improved. Therefore, the safety is greatly improved. Compared with a traditional static secret key, the risk of secret key leakage is greatly reduced due to the fact that even if the secret key is intercepted in certain communication, the secret key cannot be used for the subsequent communication process.

The invention belongs to the technical field of material performance detection, and particularly relates to road performance testing equipment for a multi-element solid waste-based cementing material, which comprises a rack, and a static and dynamic detection assembly and a deformation observation assembly are mounted on the surface of the rack; the device can simulate the compression resistance test of multi-point, static pressure bearing and dynamic pressure bearing of the multi-element solid waste-based cementing material, can well simulate the test of the dynamic or static pressure performance borne by the material when a vehicle travels back and forth or is parked for a long time on a road surface, can more accurately evaluate the compression resistance of the material in an actual road environment, and has a wide application prospect. Meanwhile, deformation of the multi-element solid waste-based cementing material during static pressure or dynamic rolling can be monitored in real time, a visual mark is reserved, and a tester can conveniently and directly observe the position and length change of the mark in cooperation with scale marks arranged on a marking plate; therefore, the deformation degree of the material in the compression process can be quickly and intuitively known.

The present invention relates to the field of mechanical processing technology, and discloses an easily adjustable abrasive belt grinder, comprising a base, brackets fixedly installed on both sides of the bottom of the base, baffles fixedly installed on both sides of the top of the base by screws, a waste groove provided on one side of the base, a fixed plate fixedly installed on one side of the bottom of the base, one side of the bottom of the base fixedly connected to one end of a collecting box by screws, the other end of the collecting box movably engaged with the bottom end of the fixed plate, a sliding groove provided on the other side of the base and slidably connected to a sliding device by the sliding groove. The easily adjustable abrasive belt grinder drives the rotating wheel to move left and right inside the limiting sleeve by a limiting rod, realizes the function of freely adjusting the rotating wheel position, cooperates with the movement of the fixed frame to control the angle of the abrasive belt, avoids the problem that the ideal processing requirement cannot be met due to the inability to adjust the angle of the abrasive belt during the parts processing process, affects the processing accuracy of the parts, and improves the accuracy of the device.

The invention discloses an intelligent animal dispersing system and method based on an automobile sentry mode, targets within the range of 2 meters around a vehicle are monitored in real time through multiple types of sensors in an environment sensing module, and pedestrians, animals and static obstacles are accurately recognized through an AI algorithm. When it is judged that the target is an animal and enters a safety alert range with the vehicle as the center and the radius being 1 m, the system immediately links the ultrasonic wave generating device and the laser transmitter, the animal close to the vehicle is efficiently dispersed through a composite repelling means combining ultrasonic waves and laser, and the animal is prevented from scratching, colliding and other damage to the vehicle body. On the premise that pedestrians are not interfered, active protection is provided for the vehicle, and the vehicle safety and the protection intelligence level in a sentry mode are improved.

The application provides a gas stove control method and device and a gas stove. The method receives a first user operation on a mechanical button on a knob of the gas stove, and switches a working mode of the gas stove according to the first user operation. In the embodiment of the application, the working mode of the gas stove is switched according to the user operation on the mechanical button on the knob of the gas stove, so that the working mode of the gas stove is quickly switched, and the adjustment efficiency of the working mode of the gas stove is improved. In addition, the mechanical button is arranged on the knob of the gas stove, and the existing knob design is used, so that the safety threat to the user caused by arranging the button on the panel is avoided.

The invention discloses a dynamic access control system based on continuous trust, which is used for solving the security problem caused by insufficient traditional boundary protection means in an electric power system terminal environment, and is used for solving the security problem by combining attribute-based access control (ABAC) and an introspection variational auto-encoder (I ntroVAE). And dynamic access control in a power system terminal environment is realized. According to the system, firstly, attributes of access requests are preliminarily screened and filtered through a rule matching mechanism, and it is ensured that the requests conform to a basic access strategy; and then, the system performs in-depth behavior analysis on the screened requests by using an I ntroVAE model. The model detects potential abnormal behaviors by analyzing a normal behavior mode of a user so as to prevent unauthorized access, and the dynamic access control system can effectively improve data security in a power system terminal environment and prevent data leakage or system damage caused by internal or external malicious behaviors.

The utility model discloses a centrifuge filters field humidity detection and automatic humidification system, include: centrifuge and workshop installation surface, automatic humidification unit includes DCS automatic control system, DCS automatic control system installs on online hygrothermograph, the online hygrothermograph is assembled with online hygrothermograph, online hygrothermograph is electrically connected with DCS automatic control system, DCS automatic control system is electrically connected with centrifuge online hygrothermograph bottom fixedly connected with support column, support column bottom fixedly connected with humidifier, the humidifier bottom is provided with the shower head, and the humidifier upper end main pipeline is connected with deionized water pipeline and pressure air pipeline. Realize this centrifuge filters field humidity detection and automatic humidification system utilize DCS automatic control system and the cooperation of online hygrothermograph, make the humidifier can according to the workshop's temperature and humidity and carry out automatic spraying, and the temperature and humidity of the workshop are conveniently regulated and controlled, and the practicality and safety of the device are improved.

The application relates to a tensioning device for tinplate coiled material, which comprises a rack, a constant-pressure roller, a pressing assembly, a guide roller and an adjusting assembly, the constant-pressure roller is rotationally connected to the rack, the pressing assembly is used for pressing the coiled material around the constant-pressure roller on the constant-pressure roller, the adjusting assembly comprises two sliding sleeves and a driving piece, the guide roller is coaxially arranged with the constant-pressure roller, two ends of the guide roller are rotationally connected in the sliding sleeves respectively, the sliding sleeves are slidingly connected to the rack, and the driving piece can be used for driving the sliding sleeves to move to the other side of the constant-pressure roller. The application has the effects of facilitating the feeding operation of the tinplate coiled material and ensuring the safety of workers.

The embodiment of the invention discloses a test case execution method and device based on three-power separation and a storage medium, and the method comprises the steps: receiving incoming test case parameters, and determining a test mode according to the test case parameters; determining a test control main body and a test execution main body according to the test mode; splicing according to the test script path and the use case ID to generate a test execution command; issuing the test execution command to a test execution main body by utilizing the test control main body; and receiving a test result returned by the test execution main body. And the influence of three-power separation on the test is avoided. The control machine and the execution machine are physically or logically separated, so that potential security threats can be effectively prevented, and the expandability and the flexibility of the system are improved.

The invention relates to the technical field of gas turbines, in particular to an exhaust structure of a gas turbine, which comprises an exhaust chamber arranged on a gas turbine body, and the exhaust chamber is provided with a plurality of slots; the heat conduction unit comprises an upper guide block arranged at an opening in the outer side of the open groove and a lower guide block arranged at an opening in the inner side of the open groove, and is used for increasing the heat exchange surface area of the exhaust chamber; the telescopic mechanism is arranged between the upper guide block and the lower guide block and used for supporting the heat conduction unit to be limited in the open groove; the fixing mechanism is arranged on the outer wall of the exhaust chamber and used for fixing the heat conduction unit. The device can assist in reducing the temperature of the outer wall face of the gas turbine, and stable operation of the gas turbine is guaranteed; a telescopic mechanism is arranged, so that the single heat conduction unit can be conveniently mounted, dismounted and replaced; and through the arrangement of the fixing mechanism, the operation is simpler, more convenient and quicker when the heat conduction unit is replaced, and the maintenance cost is reduced.

The utility model discloses a kind of wired network monitoring equipment intelligent monitoring terminal, it is related to network equipment maintenance technical field.The terminal includes intranet single-chip microcontroller, extranet single-chip microcontroller, one-way photoelectric isolation transmission module, power module, RJ45 interface module, mains detection module, switch drive circuit and 4G communication module.Intranet single-chip microcontroller is connected wired network switch through RJ45 interface module, sends PING instruction and monitors network state;Extranet single-chip microcontroller is responsible for power monitoring, remote control and data interaction;One-way photoelectric isolation transmission module realizes the one-way data transmission and electrical isolation of intranet and extranet;Power module supports mains and battery automatic switching.Terminal can accurately identify mains interruption, network cable loosening and other fault types, support remote restart, guarantee intranet security, improve operation and maintenance efficiency.