56results about How to "No access" patented technology

The invention provides a binary channel communication remote meter reading monitoring and analysis system. The system is characterized by comprising a user meter, a collector, a concentrator and a master station. Data are exchanged between the user meter and the collector through a Europe instrument bus. Data are exchanged between the collector and the concentrator through an RS485 bus or a micropower wireless channel. Data are exchanged between the concentrator and the master station through a GPRS/GSM or TCP/IP network. The system has the advantages that the binary channel communication scheme enables signal transmission not to be limited and interfered by the landform, building blocking and other factors, the transmission speed is high, real-time performance is high, data are safe, and interference resistance is high; micropower wireless channels are independent from each other; various communication network models are formed through optimization and integration in a heterogeneous network mode, complementary advantages are obtained, and communication blind points are eliminated; direct reading intelligent meters are adopted in the whole system, and the data accuracy is 100%; each device has the storage function and the self-checking function.

The invention discloses hard disk hang-up fault detection and processing methods and apparatuses for a distributed storage system. Whether a target hard disk has a hang-up fault or not is judged by detecting executive time of an access request corresponding to the target hard disk, so that the hang-up fault of the target hard disk can be timely discovered; after it is discovered that the target hard disk has the hang-up fault, a faulted hard disk is prevented from being accessed again through a state tag on one hand and system resources occupied by the faulted hard disk are cleaned up on the other hand, so that other processes can reallocate and apply the system resources, negative influence possibly caused by the hang-up fault of the hard disk is reduced, and the purpose of stopping loss is achieved. According to the hang-up fault detection and processing schemes provided by the methods and the apparatuses, a detection tool can be provided without depending on a hard disk manufacturer, new hardware does not need to be added to the hard disk, and no manual intervention is needed, so that the simplicity and easiness are achieved, and the production and use costs of the hard disk are not influenced.

The invention provides a communication method and device of an industrial security gateway based on an embedded system, and aims to enhance the security of data transmission in an industrial control network. The method comprises the following steps: acquiring data information of an industrial field; performing encryption and digital signature processing on the acquired data information through a selected and/or customized encryption algorithm; and transmitting the encrypted data information and generated digital signature information to a server side. The device comprises an acquisition unit for acquiring the data information of the industrial field, an encryption unit for performing encryption and digital signature processing on the acquired data information through the selected and/or customized encryption algorithm, and a first transmission unit for transmitting the encrypted data information and generated digital signature information to the server side. The communication method and device are suitable for the technical field of industrial automation information security.

The invention discloses a method for rapidly developing NFV. The method includes the following steps: S1, byte stream processing: firstly, data packets transmitted from the outside are received, and the received data packets are quickly packed; S2, data packet processing: data IP address, format and size of the data packets received in S1 are analyzed through a data packet analysis module in a data packet processing system, and the data IP address, format and size of the data packets are analyzed, which relates to the technical field of software development. The NFV rapid development approach,including development environments and libraries, we abstract the packet operations in the network, including byte stream operations, package operations, state operations, by abstracting these operations, an our library is built, users can use these abstract operations to construct complex NFV functions, through using reference counters and intelligent pointer technology, fast execution, the useof Unique-type packets encapsulation, the number of packets copied is reduced, execution efficiency is improved, and a flexible development framework and API can be provided.

The invention discloses a routing device for intelligently controlling the user connection number, and an application method. The device comprises a user interface, a local authentication server and an internet interface; the user interface is used for connecting a user terminal, judging the type of the user terminal, and judging whether wired network connection or wireless network connection is executed according to the type of the user terminal; the local authentication server is connected to the user terminal, and used for receiving a networking request instruction sent by the user terminal and performing networking authentication of the user terminal requesting for networking; the local authentication server is also used for judging whether a user terminal, which does not access to an internet at the pre-determined time for wireless network connection, exists or not; if the user terminal exists, wireless network connection of the user terminal is disconnected; otherwise, judgment is continuously carried out; the local authentication server is also connected to the internet interface and used for opening an internet connection channel to the user terminal passing authentication; and the user terminal passing authentication is allowed to access to the internet.

The invention discloses a zigzag synchronous compression arc extinguishing lightning protection device with arc extinguishing channels arranged in parallel. There is an arc extinguishing path composed of several sections of arc extinguishing channels arranged in parallel from top to bottom; an arc extinguishing tube (5) is placed in each section of arc extinguishing channel, wherein the arc extinguishing channel in the first section of arc extinguishing channel The head end of the tube is electrically connected to the arc striking electrode (3), the end of the arc extinguishing tube in the last section of the arc extinguishing channel is electrically connected to the connecting fitting (4), and the ends of the remaining arc extinguishing tubes are passed through a The three-way tube (6) and two T-shaped arc-guiding tubes (9) are sequentially connected; (6) Nested and connected together. The invention has the advantages of simple structure, reasonable design, stronger arc extinguishing ability and stable and reliable operation.

First, second, and third sets of addresses are created. The first set includes addresses registered in a name server; both the second and third sets include addresses not registered in the name server and that are disjoint. A first address of a first server that has failed and to which access is to be prohibited is moved from the first to the third set., is removed from the first server, assigned to a second server, and removed from the name server. Usage parameter values of the first address are monitored to determine whether at least one is below a value. If so, the first address is removed from the second server and moved from the third to the second set. Upon access to the first server no longer being prohibited, a second address of the second set is assigned to the first server and added to the name server.

The invention discloses an authority processing method. The method comprises the steps of selecting target role information for a target user; establishing a target user role corresponding relationship between the target user and the target role information; obtaining a role function corresponding relationship between role information and function point information, with the role information beingused for representing classification information of users having the same permission, and the function point information being used for representing permission of using a service function; and according to the role corresponding relationship of the target user and the role function corresponding relationship, obtaining the permission of the target user to use the service function. By adopting themethod, authority control with finer authority granularity is provided.

The invention discloses a meandering synchronous compression arc extinguishing and lightning protection device, which comprises a main body of a lightning protection device and an arc striking electrode. The outer surface of the main body of the lightning protection device is provided with a skirt; The arc extinguishing path II composed of circular arrangement; the head end of the first arc extinguishing tube II in the skirt is electrically connected with the end of the arc extinguishing tube I in the main body of the lightning arrester above the skirt and closest to the skirt, and finally The end of one arc extinguishing tube II is electrically connected to the head end of arc extinguishing tube I in the main body of the lightning arrester below the skirt and closest to the skirt; the ends of two adjacent arc extinguishing tubes II are directly contacted or connected. Connected by connecting piece II; there is an air flow outlet channel II at the junction of two adjacent arc extinguishing tubes II, and the air flow outlet channel II extends to the outer surface of the skirt, that is, the outer surface of the skirt is provided with air flow Outlet II. The invention has the advantages of simple structure, reasonable design, stronger arc extinguishing ability and stable and reliable operation.

The invention discloses a deflection sync compression arc extinguishing lightning protection device, comprising a lightning protection device body (1) and an arc ignition electrode (3). The internal part of the lightning protection device body (1) is provided with an arc extinguishing path formed by a plurality of arc extinguishing channels arranged from top to bottom in a spiral manner. An arc extinguishing pipe (5) is disposed in each arc extinguishing channel. Two adjacent end parts of the arc extinguishing pipe at one side of the lightning protection device body (1), facing towards an insulator chain are connected through a casting ceramic block (6), and an iron nail base (7) is disposed in the ceramic block (6). The iron nail base (7) is provided with two iron nails, which respectively insert into the internal part of the arc extinguishing pipe. Two adjacent end parts of the other arc extinguishing pipes are connected through a t-branch pipe (9) and two arc-guiding electrode (8).The invention is advantageous in the structure is simple, design is reasonable, arc extinguishing capability is strong, and work is stable and reliable.

The disclosure provides a data protection method and device; the method comprises the following steps: receiving a data protection order sent by a server and used for protecting target data, wherein the data protection order at least comprises a target data ID of the target data; determining a target secret key corresponding to the target data according to the target data ID; destroying the target secret key according to the data protection order, thus preventing the target data from being accessed. In the disclosure, the first terminal receives the data protection order sent by the server, and destroys the target secret key; the method and device can fast ensure the target data on the first terminal not to be accessed, thus ensuring user data safety, and improving user data safety protection speed.

Related technologies of the Internet-of-things are developed rapidly and widely applied. Machine type communication (MTC) can complete data information exchange and sharing between equipment without active participation of a user, has the characteristics of low cost, low power consumption and capability of transmitting information on a large scale, and is one of the most important communication modes in the Internet-of-things. Therefore, the security of the MTC needs to be emphasized, and the data security of the user needs to be protected. The invention provides a group authentication methodand a group authentication system in asynchronous group communication of machine type communication equipment in an LTE network, which construct a group authentication scheme by utilizing a (t, n) secret sharing scheme of Shamir, authenticate m (m is greater than or equal to t) machine type communication equipment (MTCD) at one time, and ensure the legality of MTCD identity of an access network. Meanwhile, in the token transmission process, an ElGamal encryption algorithm is used to ensure the security of the authentication token in the transmission process. By utilizing the method and the system, the group authentication can be completed only by one-time calculation, the confidentiality can reach the calculation security, and each group member only needs to carry one authentication token.

The embodiment of the invention discloses a security communication method for a mobile terminal, and the mobile terminal, wherein the security communication method can comprise the following steps of: setting a shared memory between a security virtual kernel and a normal virtual kernel and peripheral equipment called by the wireless communication connection to forbid program access of the normal virtual kernel when wireless communication connection between a mobile terminal and another mobile terminal is established and the wireless communication connection satisfies a pre-set security processing triggering condition; performing pre-set strategy processing of a communication content corresponding to wireless communication connection through the security virtual kernel; and outputting the communication content after being subjected pre-set strategy processing by utilizing the security virtual kernel. By means of the embodiment of the invention, an operating system and a program operated in the normal virtual kernel can be prevented from obtaining the communication content before being processed; the operating system can also be prevented from eavesdropping the communication content through the shared memory or related peripherals; and thus, the communication security of the mobile terminal is improved.

The invention relates to a resource and energy recovery-based sewage treatment method, and provides a sewage treatment system. The sewage treatment system comprises a pre-treatment system, a microalgae reaction tank, an online environment monitoring system, a ceramic membrane and algae separation system and an anaerobic resource recovery system. The method for carrying out sewage treatment by utilizing the sewage treatment system comprises the following steps of: enabling pre-treated sewage to enter the microalgae reaction tank, and reducing the concentrations of nitrogen, phosphorus and organic matters in the sewage through biochemical reaction of microalgae under a controlled environment condition; and carrying out separation on algae-water mixed solution through the ceramic membrane andalgae separation system, discharging qualified effluent, enabling a little suspension algae solution to flow back, carrying out secondary concentration on most of the algae solution to enter the anaerobic resource recovery system so as to carry out anaerobic digestion reaction, and respectively generating electric energy, fertilizer and ammonium hydroxide from generated methane and residual digestion solution through a marsh gas generating set, a struvite recovery device and an ammonia nitrogen recovery device. The system is good in sewage treatment effect and high in nitrogen and phosphorusrecycle rate, and is capable of realizing resource and energy balance of sewage treatment.

According to one embodiment, a memory system includes an application module, a storage module, and a control module. The storage module stores user data, application software configured to control operation of the application module, and management information used to manage the user data and the application software. The control module controls writing and erasing of the storage module. The control module masks information indicating an access-prohibited area included in the management information read from the storage module, the access-prohibited area includes the application software.

The invention provides shift register units, a drive method thereof, gate driver circuits and a display device, relates to the technical field of display and is used for solving the problem that a GOA(Gate Driver on Array) generates additional power consumption. A shift register unit comprises a first pull-down control subcircuit which is configured to transmit a signal of a reset signal end to an energy storage subcircuit and a selection node; a second pull-down control subcircuit which is configured to transmit the signal of a first voltage end to the energy storage subcircuit and the selection node under the control of a pull-up node; the energy storage subcircuit which is configured to store the signal transmitted to the energy storage subcircuit and transmit the signal stored in theenergy storage subcircuit to the selection node; a first pull-down subcircuit which is configured to transmit the signal of the first voltage end to the pull-up node and a signal output end; a secondpull-down subcircuit which is configured to transmit the signal of the first voltage end to the pull-up node and the signal output end; and an output subcircuit which is configured to transmit the signal of a clock signal end to the signal output end.

The invention discloses a dumb terminal security detection method and device, equipment and a readable storage medium. The method disclosed by the invention comprises the following steps of: acquiring network traffic data; determining a source end and a destination end of the network flow data; and if the source end is a dumb terminal and the destination end forbids the dumb terminal to access, giving an alarm. Visibly, according to the dumb terminal security detection method, after the source end and the destination end of the network flow data are determined on the basis of the network flow data, if the source end is the dumb terminal and the destination end forbids the access of the dumb terminal, then the situation indicates that the network flow data is abnormal access data, namely, the dumb terminal accesses the destination end forbidding the access of the dumb terminal, so that an alarm is given, therefore, the illegal behavior of the dumb terminal in the network can be sensed, and the safety of equipment in the network can be ensured. Correspondingly, the invention further provides the dumb terminal security detection device, the equipment and the readable storage medium, which also have the above technical effects.

The invention discloses a skirt provided with an arc-extinguishing path, which is arranged on the outer surface of a lightning protection device, and inside the skirt is provided with an arc-extinguishing path I composed of several arc-extinguishing tubes arranged along the circumference. And the arc extinguishing path I is connected in series in the arc extinguishing path II of the lightning protection device; the ends of two adjacent arc extinguishing tubes in the arc extinguishing path I are directly connected by touching or connected by connecting pieces; Two adjacent arc extinguishing tubes on the outer edge of the skirt are connected with an airflow outlet channel, and the airflow outlet channel extends to the outer surface of the skirt, that is, the outer surface of the skirt is provided with an airflow outlet. The invention has the advantages of simple structure, reasonable design, stronger arc extinguishing ability and stable and reliable operation.

The invention discloses a user permission management method. The method comprises the steps: selecting target role information for a user; establishing a role mapping relationship between the user andthe target role information; obtaining a function mapping relationship between the role information and the function point information, wherein the role information is used for representing classification information of users with the same authority, and the function point information is used for representing use authority of a service function; according to the role mapping relationship and thefunction mapping relationship, obtaining the use permission of the service function of the user. According to the user permission management method disclosed by the invention, permission control withfiner permission granularity can be provided, and the management efficiency and accuracy of the user permission are improved. The invention further provides a user permission management device and a storage medium.