83results about How to "Troubleshoot access issues" patented technology

The invention discloses an integrated platform of configuration protection and engineering configuration of a digital transformer substation, which is characterized by comprising an imaging device function configuration module, an IEC 61850 modeling configuration module and a secondary equipment networking module of a transformer substation, wherein the imaging device function configuration module is used for imaging configuration, automatically generating protection based on the C language after configuration and simultaneously generating a device function description configuration file provided for the IEC 61850 modeling configuration module to use; the IEC 61850 modeling configuration module is used for managing configuration files of the whole transformer substation and carrying out secondary instantiation and private configuration mapping through the device function description configuration file output by the imaging device function configuration module; and the secondary equipment networking module of a transformer substation is used for finishing the GOOSE communication configuration of a single device or devices of the whole station and outputting a GOOSE dummy terminal signal list. The invention can quickly meet different requirements of different users to realize the protection of flexible configurations and quick configuration so as to improve the on-site engineering debugging efficiency of the digital transformer substation.

A collectivization pretreatment system of mass remote sending data based on order comprises user server, control network, storage network, magnetic disc array, magnetic tap-bank, PC computer and collectivization pretreatment unit of mass remote sensing image based on order. The said collectivization pretreatment unit consists of process flow engine subunit base on order, collectivization parallel listing and manufacturing subunit, multistage storing and filing subunit, tap-bank management subunit, automatic-monitoring subunit and pluggable algorithm server.

The invention proposes a service-oriented robot open-type control system and method based on a software bus. The system comprises (1), a service-oriented robot open-type control system. The function modules of the control system are packaged in a service mode, and are enabled to be combined and applied. Therefore, the system has the open, extendable and SLC (Service Loose Coupling) characteristics. The software bus is the core module of the whole distributed control system, and the main function of the software bus is to provide a transparent transmission mechanism for different nodes, and to remove the coupling between a user and a message protocol. The system supports the development of the distributed control system. An TTEthernet (time-triggered Ethernet) is introduced through a transmission layer, and guarantees the instantaneity and certainty of the data transmission of the control system. Moreover, load balancing is employed for reducing the bus node hotspot access problems. According to the invention, a service-oriented framework is provided for a user to carry out development of one or more robot distributed control systems, and improves the development efficiency of the control system under the instantaneity of data transmission.

The invention discloses a mobile media information integrated business platform system and a realization method. The method comprises the following steps: a mobile terminal user is connected to a media information platform through different basic business channels by a basic business access unit by an integrated access gateway; a business logic control unit generates and executes the business flow and the logic of the media information platform, and collects the user attribute and the terminal attribute of a terminal user, so that all separated businesses are connected in series and the conditions thereof are controlled, and communication, conversion and matching of all businesses are realized; a business generation and management unit manages the media material in the system, the logic parameter of the business, the business logic, and upward and downward channels of the media information; an access unit management application service is applied, a unified third party interface is provided, and an expansibility interface developed in a value-added way on the media information system platform is provided, so as to provide the interface function of business service for an expanded system. In the invention, different business capacity parts can be uniformly applied under an access gateway frame simply and conveniently.

The invention discloses an application service accessing system and method based on a Docker container. The system comprises a container service deployment module, a container service network management module, a container service DNS analysis module, a container service accessing mode collection module, a database, a web display module and two container service discovery and load balancing modules. According to the application service accessing system, through a mode that an agency and mapping are configured for the container basic network, the accessing problems of Docker container service in different network nodes and the stability problems of container service accessing are solved, and the network nodes can be popularized and applied to the Docker clustering virtual network environment, the host machine Docker local area network and the external network.

The invention provides a basic sharing platform for Internet of things, which comprises a support platform module, an information source module, an information layer module, a security mechanism module, an information management module, an output layer module and an application layer module, wherein the information source module acquires information from the support platform module and sorts the information, the information layer module transmits the sorted information to the information management module through the security mechanism, the information management module integrates and manages the information and transmits the information to the application layer module through the output layer module, and users can acquire required information resources from the application layer module. The interactive transmission of the information is realized between the support platform module and the information source module as well as between the information management module and the application layer module. The invention establishes a common basic support platform for the cerebral nerve system layer of Internet of things, completes data analysis and decision schemes and realizes the information integration between the human society and the physical system.

The invention discloses an Internet of Things information collection and monitoring system design method, comprising steps of providing an Internet of Thing intelligent terminal device, a protocol configuration resolver, and an upper computer which abide by a built-in terminal device protocol, creating an XML configuration file according to the terminal device protocol, parsing the XML configuration file through the protocol configuration resolver to obtain corresponding configuration information, performing communication connection on the Internet of Things intelligent terminal device and the protocol configuration resolver through the terminal device protocol, and converting the terminal device protocol to a Modbus TCP protocol through the protocol configuration resolver according to the configuration information, and performing the communication connection on the protocol configuration resolver and the monitoring device through the Modbus TCP protocol. The invention can realize the unified access, unified data collection and unified monitoring of various intelligent terminal devices.

The method is applicable to long-term evolution system. The idea of the invention is that combination of time division multiplex (TDM) and frequency division multiplex (FDM) is adopted in RACH design, and combinations of multiple code words are adopted for RACH precursor. Relative to individual FDM, TDM, and CDM (code division multiplexing), technical scheme of the invention can obtain larger number of access users, and reduce interference between multiple users, and multiple sectors, use less number of correlator, and lowers complexity of sequence design.

The invention discloses an accessing open femtocell method for the mobile terminal, which aims at solving the problem that currently no method for accessing open femtocell method for the mobile terminal is provided. The adopted scheme is that the mobile terminal searches community and synchronizes to the carrier wave of the base station, after receiving the broadcasting information of the base station, the mobile terminal analyze the information to confirm the base station to be femtocell and send the access request to the femtocell; the femtocell views the status of the user list of the self closed user group, when being under the disable status, the femtocell confirms the current status to be open mode, and directly provides network access service for the mobile terminal. The invention provides supplement for the UE access protocol for the open femtocell, solves the problem of the terminal access of the open femtocell and the UE access when closing the open femtocell, better supplements the terminal access method for the femtocell under various modes and improves the application range and function of the femtocell.

The invention discloses an Internet of Things device identity verification method. The method comprises the following steps: a verification device performs initial identity verification on a to-be-verified device; the verification device receives uploaded data of the to-be-verified device, wherein the uploaded data of the to-be-verified device comprises a dynamic token; and the verification devicegenerates a dynamic verification token according to the uploaded data of the to-be-verified device and verifies whether the dynamic token uploaded by the to-be-verified device is legal according to the generated dynamic verification token, if yes, judges the to-be-verified device as a legal device, or otherwise judges the to-be-verified device as an illegal device. According to the Internet of Things device identity verification method disclosed by the invention, the initial identity verification is performed on the device at first, the identity information of the device is confirmed in a dynamic verification mode, as the dynamic token or an encrypted data packet encrypted by the dynamic token, and the dynamic verification token or a dynamic decryption token need to be generated in everyverification process, a hacker cannot upload data by forging the data, thereby effectively ensuring the legitimacy of the Internet of Things device that uploads the data.

The invention relates to an optical / electric compound cable which comprises a power transmission and distribution cable and an optical unit, wherein the optical unit is arranged in the power transmission and distribution cable; the optical unit comprises a sheath, a reinforcer and two or more than two optical fibers; and the reinforcer and the optical fibers are arranged in the sheath. By utilizing the optical unit, the optical / electric compound cable realizes the function of communication, solves the problem of the access of the power transmission line for the last one kilometer, and realizes the power fiber access into households in four-network fusion way (power supply, wide band, television and talking). During construction, the cable can be arranged in one time, thereby simplifying the complex degree of construction and satisfying the current demands.

The invention provides a user access method based on energy consumption and pairing in an ultra-dense heterogeneous network system. The method comprises the steps as follows: a utility function valueof each base station on a user side to a user is computed according to an SINR value between the user and each base station, the user sends an access request to the base station having the highest utilization function value to itself, the SINR value extracted by the base station from the access request serves as the utility function value of the user for sending the access request on the base station side, the base station judges whether the user with the highest utility function value can access the bas station according to the rate request and interference condition of the user with the highest utility function value on the base station side, if yes, the information of successful access is fed back to the user with the highest utility function value; and otherwise, the information of failed access is fed back to the user with the highest utility function value. According to the invention, the user access algorithm under the ultra-dense deployment scene is provided, and the user access problem based on energy efficiency optimization under the given target rate condition is solved.

The invention relates to a mobile communication terminal and a method for achieving the same, wherein the method comprises: step one, the mobile communication terminal is connected with a Femtocell gateway by utilizing an internet access method and through a standard 3rd generation partnership project (3GPP) instantaneous unit hydrograph (Iuh) interface, and accesses to an operator core network through the Femtocell gateway; step two, the mobile communication terminal communicates with the operator core network through a standard network attached storage (NAS) layer; and step three, the mobile communication terminalenjoys a communication service equivalent to a traditional mobile communication terminal. According to the mobile communication terminal and the method for achieving the same, access problems of non-cellular mobile communication terminals are solved, so that the terminals can enjoy the cellular mobile communication services without communication modules corresponding to cellular mobile communications, and the cost is reduced.

The invention discloses an extensible type ring main unit with no-break power supply on two sides, the ring main unit is suitable for being used in a distributing line in which ring network power supply is achieved, and the ring main unit has the advantages of being full-sealed, full-insulated, extensible and capable of using one box body. A base bus, two sections of to-be-extended buses and a three-position switch are arranged in the ring main unit, the two sections of to-be-extended buses are respectively arranged at two ends of the base bus, the two sections of to-be-extended buses are respectively connected with a moving contact of the three-position switch, and a fixed contact of the three-position switch is connected with the base bus. When ring main units are connected, under the condition of no-break power supply, through a switching operation, the three-position switch is powered off, the moving contact is turned to a grounding position, the effect that the to-be-extended buses and a coil out side are dead and are grounded reliably is ensured, a bus, which needs to be extended, of an extensible type ring main unit, is connected with the to-be-extended buses, and then the ring main unit connection operation is finished. Under an existing power distribution network, power supply reliability can be improved, distribution network investment cost can be saved, and convenient and fast high-voltage power supply can be provided for an emergency bypass work vehicle.

The invention discloses a civil defense engineering quality supervision and enforcement patrol system, which comprises a civil defense mobile user terminal, a mobile communication network, a mobile access service platform, security isolation equipment, a mobile application server and an application platform; a patrol civil defense worker acquires field data through the civil defense mobile user terminal; the patrol civil defense worker transmits the field data acquired by the civil defense mobile user terminal to the application platform through the mobile communication network and the mobile access service platform by the security isolation equipment; the application platform stores the received data into a database of the mobile application server; and the mobile application server is connected with the security isolation equipment and used for responding to and processing an application request from the mobile access service platform. An information network system capable of being connected with a civil defense department and Internet is established by fully using the conventional public network resources, information management is developed by the civil defense department, and the working efficiency of the system is improved.

The invention discloses a coal mine power supply monitoring system and method applicable to various protocol comprehensive protectors. The system comprises a field bus network formed by a power monitoring station, a signal isolator and a comprehensive protector and an industrial Ethernet formed by an upper computer, ground network switches, underground network switches and the power monitoring station. According to the invention, configuration software of the upper computer reads and writes register data of programmable serial controllers forming the power monitoring station, displays the data in real time and issues an instruction, embedded software of the programmable serial controllers controls serial ports thereof to send an inspection and action instruction, data sent by the comprehensive protector is received and stored, and the comprehensive protector collects states and data of a switch and controls the switch to operate. The system and method disclosed by the invention overcome a defect that a coal mine power supply monitoring system at present can only monitor a specific protocol comprehensive protector and is in universality, realize grouped multichannel parallel communication with various different communication protocol comprehensive protectors in batches, and solve an access problem of different specifications of comprehensive protectors provided by different manufacturers in the construction process of the coal mine power supply monitoring system.

The invention discloses a power grid video live broadcast platform and a power grid video live broadcast method, a video monitoring protocol stack and a live broadcast protocol stack are unified through a video monitoring protocol stack module and a live broadcast protocol stack module, the access problem of a power grid transmission, transformation and distribution multi-source video terminal issolved, and a video playing component based on web is realized; and the live broadcast platform does not need to install a special multi-protocol video playing component, solves the management and application difficulties of a power grid multi-source video terminal, and particularly adopts a video unified fusion means to reduce the complexity of a user client video playing component, so that the client video playing component has the advantages of light weight, convenience, no need of special upgrading and the like.

The invention discloses a CSG-BRep (Constructive Solid Geometry-Boundary Representation) model data structure, which can comprehensively record a topological relationship in a model in detail. The special data structure is comprehensively analyzed from aspects including a subset shape, a topology position, a topology orientation and the like, two algorithms are put forward to solve an access problem of a topological structure, and the invention discloses an access method of a topological element of the three-dimensional CSG-BRep model. In addition, the Boolean operation is utilized for appropriately processing a topology problem of spatial model intersection. Finally, a laser point cloud is taken as a model data source, the model data source is combined with the data structure put forward by the invention to construct a three-dimensional fine CSG-BRep model, and an improved RANSAC (RANdom SAmple Consensus) algorithm is utilized, or parameters are manually fit. Compared with a common triangular network model, the model is characterized in that each construction member can be disassembled, occupies small memory space, has a perfect topological relationship and realizes the query and the analysis of the topological information of a three-dimensional spatial object.

The invention discloses a body temperature power generation illumination glove. The glove is characterized in that an LED lamp is arranged at the top end of the index finger of the cotton glove; the LED lamp is a white spot lamp; a thermoelectric generation sheet and a storage battery 4 are arranged at the palm position of the glove; the thermoelectric generation sheet is made of semi-conducting materials; a miniature switch is arranged on one side of the middle portion of the index finger of the glove1; and the LED lamp, the miniature switch, the thermoelectric generation sheet and the storage battery are connected through a circuit. According to the arrangement mentioned above, the storage battery is charged by the use of the thermoelectric generation sheet, so that an external power supply is not needed, a power supply access problem is solved, and the circuit is simple and durable; and the glove can perform emergency illumination in outdoor activities in winter, the glove is reasonable in structure, and the emergency illumination lamp and the glove are integrally designed, so that the glove is convenient to carry, has good emergency illumination effects, is low in manufacturing cost, and is energy-saving and environment-friendly.

The invention discloses a one-side no-break power supply extendable type ring network unit which is suitable for a power distribution line which realizes ring network power supply. The ring network unit has the advantages of being fully sealed, fully insulated, common in box body, capable of being extended and the like. A foundation bus, a section of a to-be-extended bus and a three-station switch are arranged inside the ring network unit. The to-be-extended bus is arranged at one end of the foundation bus and connected with a moving contact of the three-station switch. A static contact of the three-station switch is connected with one side of the foundation bus. When operation of splicing the unit is carried out, by means of back brake operation and on the condition of no-break power supply, the three-station switch is powered off and the moving contact is located on the grounding position to ensure that the to-be-extended bus of the ring network unit and the wire outlet side are respectively powered off and grounded reliably, and a bus, needing to be extended, of the ring network unit, is connected with the to-be-extended bus so that the operation of splicing the unit is finished. With an existing power distribution network, power supply reliability is improved, investment cost of the distribution network is saved, and convenient and fast high-voltage power supply is provided for emergency side road operation vehicles.

The invention relates to a laser bird dispeller, in particular to a laser bird dispeller on a suburban high voltage transmission line. When the laser bird dispeller works, an ultrasonic wave transmitter transmits ultrasonic waves to detect a target position. When a moving object is detected, the ultrasonic waves are reflected, a circuit starts to supply electricity power for lasers and stimulates a laser transmitter to transmit the lasers, and simultaneously the ultrasonic wave transmitter continues to transmit the ultrasonic waves and drives birds to leave by using sensitivity of the birds to the lasers and the ultrasonic waves. The laser bird dispeller comprises a power source, the laser transmitter and the ultrasonic wave transmitter, wherein the power source is composed of a solar panel and a storage battery, the laser transmitter is fixed on the solar panel through a steering rod, and the ultrasonic wave transmitter is connected with the laser transmitter through a steering base seat. The laser bird dispeller is convenient to install, low in cost and good in bird expelling effect, protects environment, needs no external power source, and can perform real-time detection.

The invention relates to an IoT based temperature and humidity monitoring device and method of a large cold storage. The monitoring device comprises a temperature and humidity sensor, a wireless transmission network sensor, a temperature and humidity monitoring control terminal, a mobile communication network and a monitoring server; the monitoring server is provided with a display and a remote alarm; the temperature and humidity monitoring control terminal comprises a CPU, a memory, a Bluetooth chip, a ZigBee chip, a WIFI antenna, a USB interface, a mobile communication card and a local alarm; a UART interface, a GPIO interface, a USB controller and a WIFI controller are integrated in the CPU; the temperature and humidity sensor is connected with the Bluetooth chip, the ZigBee chip and the WIFI antenna via the wireless transmission network; and the CPU is connected with the mobile communication network via the mobile communication card. Compared with the prior art, the monitoring device and method have the advantages including high versatility, high safety, high instantaneity, convenient installation, temperature display and acousto-optic alarm.

According to the invention, an electronic box (B) is disclosed comprising a main connection zone (1 A) defined on one of its walls (2A) and in which is arranged at least one main connector (3) designed to receive an external connection cable (4), and further comprising: - an attachment zone (5) separate from the main connection zone (1A) and defined on another wall (6) of said box (B), in which means for attaching (7) a box to an external support (9) are able to be arranged, and - a moving part (10) configured to occupy at least: a closed position in which the main connection zone (1A) and the attachment zone (5) are simultaneously covered to prevent access to said attachment means (7) and to said external connection cable (4), once the latter respectively are fitted and connected, an open position in which the main connection zone (1A) and the attachment zone (5) are accessible.

A method for switching in downlink TDMA of frequency selection unblocking transmission system includes initializing distribution of subchannel set, sending an auxiliary data to mobile table switched in current base station ( BS ) by BS, selecting flag information and sending it to BS by mobile table, carrying out orthogonal transform on modulated signal of mobile table and setting up downlink of communication from BS to mobile table by BS, transforming sampled signal to frequency domain and selecting out usable signal by mobile table, changing subchannel set by BS according to requirement and carrying out communication with BS by mobile table according to received information.

The invention relates to a security access control technology in the field of data communication, discloses access equipment and a terminal access control method, and solves the problems that in the prior art, after an escape mode is started, direct release of all new access terminals has a relatively large security risk; or all new access terminals are controlled to access the limited network, and normal service development is affected. According to the invention, the access device scans the related information of the legal terminal after the terminal authentication is passed, encrypts the related information as fingerprint information and stores the fingerprint information locally; when the authentication server is unreachable due to abnormal network connection between the access device and the authentication server, the access device enters an escape mode; in the mode, the access device performs scanning operation after the terminal obtains an IP address, encrypts scanned information, compares the encrypted information with data in the fingerprint database, and controls the network access of the terminal according to a comparison result and a corresponding release strategy.

The invention disclosed an intelligent-microgrid-based wind power generation system comprising a plurality of wind power generation units arranged in parallel and an energy-storage bidirectional converter having an electric energy input terminal and an energy storage input terminal. All wind power generation units are electrically connected with an energy storage input terminal of the energy-storage bidirectional converter; the electric energy input terminal is connected with an energy storage system for storing the electric energy; and the wind power generation units are connected with the energy storage input terminal by an energy storage line. Besides, PCS power controllers for outputting starting voltages stably in a balancing mode and detecting initial operation powers of the wind power generation units are connected to the energy storage line of the wind power generation units and the energy storage input terminal. According to the invention, the system can be started independently by be separated from the power grid; defects of randomness and intermittency of the distributed power supply can be effectively overcome; distributed power supply access can be realized; fluctuation of the smoothing system can be adjusted in real time; the balance of power generation and load inside the grid can be maintained; and the voltage and frequency stability is guaranteed.

The invention discloses a cache placement and user access method and device in a dynamic cellular network. The method comprises the following steps: according to the number of base stations, the number of users and the number of cacheable contents in a cellular network, initializing cache placement and user access of the base stations in a random manner; user access information is obtained at a short time scale by using a belief propagation algorithm according to the base station distribution position and the cache placement information; according to the base station distribution position and the user access information, cache placement information is obtained in a long-time scale by using a depth deterministic policy gradient algorithm; and iterative computation is repeated to obtain final cache placement and user access information. By adopting the technical scheme of the invention, the cache placement and the user access are jointly optimized on the basis of introducing the cache in the cellular network, the average transmission delay can be reduced, and the user experience can be improved.

The invention provides a LoRa-Mesh networking method based on over-the-air wakeup, which comprises the following steps: S0, taking a monitoring terminal which acquires information as a source node, and taking a gateway as a destination node; s1, a source node starts a sending task; s2, judging whether the source node can be jumped to the destination node or not, if so, turning to S6, and if not, continuing S3; s3, judging whether an available route exists in the routing table of the source node or not; if yes, executing S5; otherwise, executing S4; s4, the source node starts routing discovery of the AODV protocol fusing the wakeup and waiting mechanism; s5, unicast the RREP to the source node, and updating the routing table of the source node; and S6, establishing a connection from the source node to the destination node. The invention also provides a corresponding mobile terminal network access method. According to the networking and mobile terminal network access method, the monitoring range of ground key public infrastructures is wider, and the network power consumption is reduced to the maximum extent while the stability of wireless data receiving and transmitting is ensured.