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105results about How to "Improve efficiency and reliability" patented technology

Device and method for remotely updating network element software

The invention discloses a device and a method for remotely updating network element software. A remote service terminal of the remote updating device comprises: a software storage unit used for storing software of different editions; a data storage unit used for storing network element information and software edition information; a data service unit used for interacting information with a software edition management unit and an updater and updating and inquiring the information of the software storage unit and the data storage unit; and an update execution unit used for connecting the network element, interacting information with the updater, determining the prior software edition information, routing number and traffic of the network element and sending a downloading instruction, software information and an updating instruction to the network element. A local client of the remote updating device comprises: a software edition management unit used for uploading and downloading the software, and updating and inquiring the information stored in the data storage unit; and an updater used for finishing the update of the network element software. The device and the method for remotely updating the network element software of the invention avoid the network contention generated in the update of the whole network and effectively realize the update of the network element software.
Owner:GLOBAL INNOVATION AGGREGATORS LLC

Multifunctional electric energy information concentrator and working method thereof

The invention relates to a multifunctional electric energy information concentrator comprising a data processing module and a communication MCU (Microprogrammed Control Unit) module, wherein the communication MCU module comprises an uplink communication MCU module and a downlink communication MCU module, wherein uplink communication MCU module and the downlink communication MCU module are respectively communicated with the data processing module; the uplink communication MCU module is connected with an Ethernet communication module and a common wireless network module so as to form an uplink communication channel for transmitting information from other equipment to the electric energy information concentrator; and the downlink communication MCU module is connected with a wideband carrier module, a high-speed narrowband carrier module, a 2.4 G wireless module and a 470 M wireless module so as to form a downlink communication channel for sending the information from the electric energy information concentrator to the other equipment. A working method of the electric energy information concentrator is characterized in that a collection net of an electric energy gauging table is formed by interconnecting a plurality of the electric energy information concentrators; and each electric energy information concentrator acquires the electric quantity information of the corresponding electric energy gauging table through an AC acquisition module and respectively communicates through the uplink communication MCU module and the downlink communication MCU module.
Owner:JIANGSU ELECTRIC POWER CO +2

Automatic testing method and device for variable pitch backup power supply of wind generation set

The invention discloses an automatic testing method and an automatic testing device for a variable pitch backup power supply of a wind generation set. The automatic testing device comprises a test requesting module, a safety determining module, an automatic testing module and a test result analyzing module, wherein the test requesting module is used for carrying out comparison between the system time and the data of each set and sending the request of some set needing test when the test is necessary; the safety determining module is used for acquiring data relative to the running safety of the set according to the test request, determining whether the set is in a safety state, if so, sending an automatic testing command, if not, refusing to send the automatic testing command, repeatedly sending the test request after a certain period, and repeating to the safety determining process; the automatic testing module is used for automatically testing after receiving the automatic testing command; and the test result analyzing module is used for carrying out the comparison between the data obtained in the automatic test and the normal value, and determining whether the variable pitch backup power supply is in a normal state. By adopting the method and the device, the automatic test of the variable pitch backup power supplies of the whole wind generation sets in a wind power plant can be realized, the efficiency and the reliability of the variable pitch backup power supplies in test can be improved, and the potential risks of the sets in running can be reduced.
Owner:GUODIAN UNITED POWER TECH

Monitoring system for crack growth conditions of pressure vessel containing vertical internal crack defects

The invention discloses a monitoring system for crack growth conditions of a pressure vessel containing vertical internal crack defects, which belongs to the technical field of safety analysis of pressure vessels. The monitoring system comprises a sensor unit and an arithmetic unit. The sensor unit is connected with the arithmetic unit and sends monitored information to the arithmetic unit. The arithmetic unit comprises a strain value calculation module, which is connected with the sensor unit, acquires the data of the outer surface of the container detected by the sensor unit and calculates a corresponding strain value according to the data; a depth calculation module, which is connected with the strain value calculation module, acquires the strain value and calculates the depth of an internal crack of the container according to the strain value; a stress intensity factor calculation module, which is connected with the depth calculation module, acquires the value of the crack depth and calculates the value of a stress intensity factor at the tip of the crack according to the value of the crack depth; and a determination module, which is connected with the stress intensity factor calculation module, acquires the value of the stress intensity factor at the tip of the crack and compares the value with a fracture toughness value of a material from which the pressure vessel is made; wherein comparison results output by the determination module characterize the state of the crack and indicate whether the pressure vessel should be on service. According to the invention, the growth state of the crack is obtained through rational detection and calculation; and the safe service situation of the pressure vessel is determined, and high reliability is obtained.
Owner:WUHAN INSTITUTE OF TECHNOLOGY

Wire icing thickness measuring image processing system

The invention discloses a wire icing thickness measuring image processing system comprising a data inputting-recording module, an image pretreatment module, an image feature matching module, an image triangulation measurement and calculation module, an image wire detection and identification module, and an image output module. To be specific, the data inputting-recording module is used for inputting and recording a binocular vision image of an unmanned aerial vehicle as well as POS and attitude information data, corresponding to binocular vision image shooting of the unmanned aerial vehicle, of the unmanned aerial vehicle. The image pretreatment module is used for carrying out Gaussian filter processing on the binocular vision image, inputted and recorded by the data inputting-recording module, of the unmanned aerial vehicle. The image feature matching module is used for determining a characteristic point and a characteristic point main direction to generate an SIFT characteristic vector. The image triangulation measurement and calculation module is used for establishing a geodetic coordinate of the image and calculating the wire icing thickness. The image wire detection and identification module is used for carrying out wire screening to detect a transmission line wire and determining whether icing occurs at the transmission line wire. The image output module is used for outputting image processing results from the image wire detection and identification module and the image triangulation measurement and calculation module. Therefore, the detection and identification efficiency of the icing wire can be improved; and the icing disaster detection technique of the aerial image by the unmanned aerial vehicle can be popularized.
Owner:YUNNAN POWER GRID CO LTD ELECTRIC POWER RES INST

Shield cutter rotary drive pressure adapting hydraulic control system of proportional valve controlled energy accumulator

The invention discloses a shield cutter rotary drive pressure adapting hydraulic control system of a proportional valve controlled energy accumulator. The system comprises a main hydraulic loop and a pressure adapting loop, wherein the main hydraulic loop consists of a motor, a constant power variable pump, a cartridge valve, a control cover plate, a proportional overflow valve, a one-way valve, an electro-hydraulic reversing valve, a proportional reversing valve, an energy accumulator, a quantitative motor and a speed reducer. The system judges the load characteristic when a cutter cuts a rock mass by detecting the system pressure through a pressure sensor, adjusts the proportional reversing valve according to the preset fuzzy adaptive PID control strategy and the change of a pressure signal, reasonably controls the opening direction, size and duration of the energy accumulator to absorb the load impact under different working conditions, and stores the impact energy reutilized for driving the cutter so as to effectively control the influences of system cavity enlargement and rigidity reduction because the energy accumulator is connected. By adopting the proportional valve controlled energy accumulator, the system can adapt the load impact caused by the complex stratum better, and has better energy conservation and reliability.
Owner:CENT SOUTH UNIV

Blockchain access authorization method and node

PendingCN111767569AGet rid of dependency bottlenecksImprove efficiency and reliabilityDigital data protectionData providerBlockchain
The invention provides a blockchain access authorization method and a node. The method comprises the following steps: obtaining attribute information of an access node by utilizing a consensus accounting node, and then generating an attribute key according to the attribute information; enabling the access node requesting to access to also generate the same attribute key according to the attributeinformation of the access node, and therefore decrypting the transaction information encrypted by the consensus accounting node by using the attribute key generated by the consensus accounting node, so the security problem that a data owner shares transaction information in a limited manner can be effectively solved. According to the invention, the data provider is used as the provider of the CA certificate, and also serves as an authorization main body to design a ciphertext strategy; in other words, the attribute encryption is performed by providing an attribute strategy based on the ciphertext strategy, and an information access user applies for an access right through a blockchain network; the method gets rid of the dependence bottleneck on an authentication center CA, and the reliability and efficiency of privacy protection of transaction data are improved.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

Seabed cable laying winch

ActiveCN107473121AImprove efficiency and reliabilityCable installations on floatsWinding mechanismsEngineeringSeabed
The invention discloses a seabed cable laying winch which comprises a reel on which an optical cable is wound in a stacked manner, a conveying mechanism and a releasing mechanism. The reel is arranged on a frame. The conveying mechanism comprises a support capable of moving transversely and a conveying belt capable of ascending and descending relative to the support. The optical cable conveyed to a guide wheel through the reel penetrates out from the part between the guide wheel and the face of the conveying belt. The seabed cable laying winch begins to conduct cable laying along with an underwater vehicle, in the cable laying process, the conveying mechanism of the seabed cable laying winch can move transversely on the frame, and therefore it is ensured that the optical cable is conveyed on the guide wheel all the time, and the conveying direction is perpendicularly downward all the time. When the optical cable is released from the reel, the conveying belt in the conveying mechanism can ascend and descend along the frame, it is ensured that the conveying belt can make contact with the guide wheel and can disengage from the guide wheel, finally, the optical cable and an optical cable plug of the optical cable are completely released from the reel, and therefore direct cable laying on the seabed is achieved; and due to the conveying mechanism, initiative conveying of the optical cable is achieved, and compared with a traditional underwater vehicle cable laying manner, the seabed cable laying efficiency and reliability are improved.
Owner:CHINA SHIP SCIENTIFIC RESEARCH CENTER (THE 702 INSTITUTE OF CHINA SHIPBUILDING INDUSTRY CORPORATION)

Isolated type high-speed double-power-supply switching device

ActiveCN105449839AOvercome mutual interferenceImprove efficiency and reliabilityEmergency power supply arrangementsReserve powerStandby power
The invention relates to an isolated type high-speed double-power-supply switching device. The isolated type high-speed double-power-supply switching device comprises a first transformer, a second transformer, a third transformer, a fourth transformer, a first switching circuit, a second switching circuit and a control device; a primary winding of the first transformer is connected to a working power supply, and a second winding thereof is connected to a primary winding of the second transformer through the first switching circuit; a primary winding of the third transformer is connected to a reserve power supply, and a second winding thereof is connected with a primary winding of the fourth transformer through the second switching circuit; and the control device is respectively connected to the first switching circuit and the second switching circuit. As the two paths of the input power supplies are switched rapidly through the switching circuits, demands of industrial production on switching time are satisfied; and as the transformers completely isolate the two paths of the input power supplies, the problem of mutual interference of the power supplies is overcome. The isolated type high-speed double-power-supply switching device efficiently increases switching efficiency and reliability of the double power supplies, is suitable for long-term work and has a significant value in the industrial production field.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Single-phase alternating current permanent magnet linear disk type oscillating motor

The invention discloses a single-phase alternating current permanent magnet linear disk type oscillating motor. The single-phase alternating current permanent magnet linear disk type oscillating motor comprises a motor base, a linear bearing, a stator iron core, a stator winding, a rotor iron yoke, a rotor permanent magnet, a linear guide rail, a limited block, a spring and a zero air gap guarantee point and is characterized in that: the stator has a disk type structure; the stator winding is embedded in a parallel toothed groove on the inner surface of the stator iron core and adopts concentrated winding arrangement; a rotor moves up and down along the linear guide rail through the linear bearing; the limited block controls the rotor only to do linear motion; N and S alternatively arranged permanent magnet is adhered to the inner surface of the rotor iron yoke; an N pole armature field and an S pole armature field which are formed by the permanent magnet and the stator winding correspond to each other; and the spring is positioned between the linear bearing and the stator motor base. The single-phase alternating current permanent magnet linear disk type oscillating motor is efficient and energy-saving, has a simple structure and no noise, is convenient to process and maintain, and is suitable for the fields of reciprocating short stroke linear motion, such as compressors, vibrating screens, pumps, family health-care massagers and the like.
Owner:HENAN POLYTECHNIC UNIV +2

Full-automatic machine for folding and packaging of facial masks

The invention provides a full-automatic machine for folding and packaging of facial masks. The machine is characterized in that folding of a B-type manner is adopted by the machine; stepping line-body linear motion is adopted; horizontal-type reverse folding is applied; a plastic film is folded inside; and all the folding courses can be completed on facial mask folding plate. The machine is characterized in that three facial mask plates are installed on a folding working table (02); the facial mask folding plate 1 (0300) makes active stepping motion; the facial mask folding plate 2 (12) and the facial mask folding plate 3 (47) cooperate with the facial mask folding plate 1 to make passive motion, so that all the folding courses can be completed; four rubber rollers are installed on a packing working table (26), so that bags filled with the facial mask can be rapidly conveyed out to a material box; and an automatic conveying mechanical hand and a film adhesion head are also installed on the machine, and the mechanical hand can count the facial masks automatically, so that all the folded facial masks can be counted, and automatic feeding can be implemented. The machine has the advantages that the structure is novel, simple, compact, steady and reliable; efficiency is high; folding and packaging are completed automatically; discharge is implemented at two working stations simultaneously; the facial masks are folded orderly and neatly; manufacture is easy; the cost is low; and installation and debugging are convenient.
Owner:深圳市中发技术有限公司
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