1316results about How to "Will not affect normal operation" patented technology

The invention discloses a recognition method of on-line monitoring of power consumption of non-intrusive household appliances, and belongs to the field of recognition of the power consumption of the household appliances. By means of an intelligent electricity meter in a family close to the outdoor, instantaneous currents or instantaneous power signals are obtained, the obtained signals are processed, steady state / approximately steady state or transient state characteristics of the signals are obtained, characteristic information of the signals is compared with information in a feature library by means of the crossed weighted method, and therefore equipment which is invested or removed can be recognized. The recognition method is simple in algorithm and accurate in judgment, and does not influence normal operation of the household appliance equipment.

The invention discloses an ultra wide band location method and an ultra band location system in a coal mine well. The method is a banded cell two-step locating method and comprises the following steps of: dividing a plurality of continuously-overlapped banded locating service cells along a roadway; calculating nominal intervals of all reference points; filtering according to received signal strength (RSS) data by an object; measuring and calculating an area coverage in which the object is located; and obtaining the accurate position of the object by a hybrid location method based on cumulative average weighted processing. The system comprises an upper-layer terminal, a data locating server, a ground monitoring terminal, a switchboard, an intrinsically safe gateway, an intrinsically safe wireless relay, an intrinsically safe reference point terminal and an intrinsically safe location terminal. The ultra wide band location method and the ultra wide band location system have strong anti-reference capability, accurate location, a simple structure of system equipment and low power consumption, are more suitable for the roadway working environment, and meet the requirements of the coal mine well for specific operating environment and safety demand.

The invention provides a method for realizing IAP remote upgrade through a vehicle-mounted system based on a mobile network. A vehicle-mounted platform downloads an upgrade file to the local from a far-end server through the mobile network, and then the vehicle-mounted platform transmits the upgrade file to a to-be-upgraded embedded device through an interface to realize the remote upgrade of the embedded device; by use of the upgrade method, the vehicle-mounted platform is used as a transmission relay of the upgrade file so as to realize an IAP remote upgrade function from the far-end server to the local embedded device; meanwhile, an upgrade function code is embedded into a user function code in the embedded device internal upgrade realization, the received upgrade file is temporarily stored at one region of the flash without covering a user program in operating, the upgrade file is copied to a user program region after verifying that the upgrade is successful; therefore, the normal operation of the user program can be guaranteed even if the upgrade is failed, and the risk that the upgrade is failed caused by accident in the upgrade process is lowered.

The invention discloses a certificate management method and system, and belongs to the technical field of a network. The system comprises a plurality of certificate center servers, a plurality of blockchain nodes and a plurality of terminals; each certificate center server is used for managing a certificate of a terminal served by a corresponding service mechanism; the service mechanism corresponding to one certificate center server means a service mechanism to which one certificate center server is deployed; one same blockchain is configured to a plurality of blockchain nodes; the blockchain is used for storing fingerprint information of the certificate of the terminal served by each service mechanism; any one certificate center server is used for registering the certificate or updating the certificate for the terminal served by the corresponding service mechanism; based on at least one piece of signature information on each certificate, the fingerprint information of the certificate is obtained; the fingerprint information is sent to any one blockchain node, and the signature information is used for verifying whether each certificate is tampered; and the blockchain nodes are used for storing the fingerprint information to the blockchain when the fingerprint information is received. According to the certificate management method and system disclosed by the invention, flexibility of certificate management is improved.

The invention relates to a metal etching liquid composition and an etching method, and provides a metal etching liquid composition for etching copper, a copper alloy, molybdenum, a molybdenum alloy, a multilayer alloy containing the copper alloy and the molybdenum alloy, or copper / molybdenum multilayer metal. The metal etching liquid composition comprises the following components in percentage by weight: 6 to 30 percent of oxidant, 0.1 to 10 percent of chelating agent, 0.1 to 5 percent of nitrogen-containing compound, 0.2 to 10 percent of inorganic salt and the balance of water-based medium, wherein the inorganic salt comprises 0.1 to 5 weight percent of sulfate and 0.1 to 5 weight percent of phosphate.

The invention discloses a fault-tolerance-capability-equipped MMC sub-module structure capable of realizing DC fault self-protection. Current stress balance of two capacitors and eight power switch tubes in a sub-module are adjusted through redundant switch states; three level can be output at a normal mode, and the level integration of the sub-module is improved; under the condition of a locking mode, the capacitors of the sub-module are completely invested into legs, the capacitors of the sub-module are charged, a reverse electromotive force is generated, and a function of isolating DC-side faults is realized. According to the invention, when the sub-module structure is applied to an MMC-HVDC system, self-protection of the DC-side faults can be realized. Due to the symmetry of the structure, the output characteristics of sub-module structure, under the condition of the locking mode, are symmetrical about a current direction, and good symmetry helps to maintain the current stress balance of the power devices and the capacitors in the sub-module; and when the MMC sub-module structure is applied to an HCMC-HVDC system, the MMC sub-module structure is lower in conduction loss than a full-bridge sub-module structure and higher in system operation efficiency.

The invention belongs to the technical field of thermal generator set flue gas denitration control and discloses a coal-fired unit denitration ammonia spraying control method. The method includes the steps that an outlet nitric oxide concentration measured value of an SCR reactor and an outlet nitric oxide concentration set value of the SCR reactor are acquired; the outlet nitric oxide concentration measured value and the outlet nitric oxide concentration set value are subtracted to obtain a nitric oxide concentration deviation value; the nitric oxide concentration deviation value is input in the input end of a main PID controller, and an ammonia flow required value output by the main PID controller is obtained; the ammonia flow required value is corrected, and an ammonia flow set value is obtained; an ammonia flow measured value is obtained, and the ammonia flow measured value and the ammonia flow set value are subtracted to obtain an ammonia flow deviation value; the ammonia flow deviation value is input in the input end of an auxiliary PID controller, and an ammonia spraying flow control instruction output by the auxiliary PID controller is obtained. The problem that the automatic adjusting quality of an original flue gas denitration ammonia spraying system is poor due to inaccurate flue gas flow measurement in the prior art can be solved.

The invention provides an unbalance compensation control method of a cascaded power electronic transformer, comprising a control component and a transformer, wherein the transformer is composed of aninput rectifier stage, an isolation stage and an output inverter stage. The input stage is a three-phase star-connected cascaded H-bridge rectifier, the isolation stage is a plurality of independent dual-active-bridge converters, and the output stage is a single-phase PWM inverter. The control method of the present invention includes an input rectifier stage stratification control unit, a voltageclosed loop control unit of an isolation stage and a constant voltage and current sharing control unit of an output inverter stage. The input rectifier stage stratification control unit, is further divided into an upper control unit and a lower control unit, wherein the upper control unit is composed of a coordinate transformation, a positive sequence decoupling control and a negative sequence current suppression, and the lower control unit is an in-phase voltage sharing control. The control method provided by the invention can simultaneously solve the negative sequence current compensation problem of the PET when the voltage at the network side and the three-phase load are unbalanced, thereby promoting the application of the power electronic transformer in the engineering practice.

The invention discloses a control method of an intelligent clothing suspension system. According to the control method, the readable-writable IC card data technology is adopted, and the readable-writable IC card data technology is matched with other software / hardware control technologies to realize automatic control on circulation of clothes hangers of the intelligent clothing suspension system between various steps. The method is characterized in that the IC card information of the clothes hangers and a push rod are classified into different types, the information is collected and written in through a come-into-station read head and a come-out-of-station read head, and the circulation of the clothes hangers between a main track and each workstation is realized according to requirements under the combined action of a controller, a terminal and a data acquisition program. The control method of the intelligent clothing suspension system is high in adaptability and intellectualization degree; the complexity of the system is effectively reduced by virtue of the readable-writable technology; the system is high in safety, and the work of the whole system cannot be affected by the fault of one workstation.

The invention discloses an energy management system of offshore grid, comprising an information layer, a station control layer and a spacing layer, wherein the information layer, the station control layer and the spacing layer are respectively arranged in a central control station and the platform workstations of a plurality of offshore platform power stations distributed in a sea area; the station control layer is connected and communicated with the information layer and the spacing layer through a communication network; the system carries out the monitoring and control of each generator set, the monitoring and control of each breaker, the distribution, adjustment and control of the reactive power and reactive power contribution, the control of the preferential trip, the management and control of the loop start of a motor, and the cooperative control of the black start of the grid and a platform shutdown system through the information layer, the station control layer and the spacing layer. The invention has the characteristics of high channel speed and degree of automation, highly integrated function, safe and reliable work, easy maintenance, and flexible configuration.

The invention discloses a torsional vibration error monitoring method for a shaft system of a steam turbine generator unit, a monitor and a system. The method includes the steps of S1, collecting output signals of rotation speed sensors, key phase sensors and bearing base vibration acceleration sensors on the steam turbine generator unit; S2, conducting Fourier transform on the collected output signal of each bearing base vibration acceleration sensor to obtain vibration spectrum signals; S3, extracting an amplitude value in the vibration spectrum signal of each bearing base vibration acceleration sensor under the corresponding rotation frequency; S4, obtaining the types of to-be-detected frequencies and separately extracting the corresponding amplitude value and phase under each type of to-be-detected frequency from the vibration spectrum signal of each bearing base vibration acceleration sensor to serve as feature parameters; S5, on the basis of a judgment principle and the extractedfeature parameters, judging whether or not torsional vibration errors of the shaft system occur in the steam turbine generator unit. By means of the method, real-time online monitoring of the torsional vibration errors of the shaft system is achieved.

The invention relates to a virtual machine online snapshot generating and deleting method. According to the virtual machine online snapshot generating and deleting method, in the online snapshot generating process, virtual machine rear-end IO reading is firstly paused, then the name and size of a disk snapshot file are modified, a snapshot file is established, a virtual machine snapshot is established, and finally the virtual machine rear-end IO reading is restored; in the snapshot deleting process, firstly it is judged that the deleted snapshot is provided with a sub-node or not, the snapshot without the sub-node is directly physically deleted, it is further judged that each snapshot with node is provided with only one sub-node or not, only logic deletion and recording can be firstly performed if the snapshot is not provided with only one sub-node, the virtual machine rear-end IO reading is required to be paused if the snapshot is provided with only one sub-node, then snapshot merging and father node redefining operation are performed, the snapshot is physically deleted, and finally the virtual machine rear-end IO reading is restored. The virtual machine online snapshot generating and deleting method solves the problems of long-time virtual machine shutdown and backup, long-time service interruption and the like and can be used for virtual machine online snap-shooting.

The invention discloses a disc water-cooling permanent magnet eddy current speed regulation device which comprises conductor rotators and permanent magnet rotors and is characterized by also comprising an air gap adjustment mechanism and a water-cooling mechanism, wherein the permanent magnet rotors are arranged between the conductor rotators, the air gap adjustment mechanism is connected with the conductor rotators, and the water-cooling mechanism is arranged on the conductor rotators. In the invention, change of the included angle between connecting bars and the up and down sliding of connecting bar shaft pins in a sliding rail are utilized to adjust distance so as to ensure that the distances between two pairs of permanent magnet rotors and conductor rotators interacting with each other are changed equally, and the structure of the speed regulation device is simple, thereby being convenient to process and install; water piloting ribs, the negative pressure principle and the centrifugal force effect are utilized, water can be piloted by a flume to evenly flow past the back iron surfaces of conductors and then thrown away along with the rotation of the conductor rotators from theoutboards of the conductor rotators, and heat quantity is brought away, thus cooling effect can be obtained; and when a main water supply system has faults, a buffer tank is started to continue supplying water until the faults are removed, thus the normal operation of the device can not be influenced by the faults of the water supply system.

The invention relates to an airfield runway foreign object detection system which comprises laser scanning devices, imaging devices, an alarm device, a display device, a control system, and the like, wherein multiple groups of the laser scanning devices and the imaging devices corresponding to the laser scanning devices are provided as well as arrayed and arranged at both sides of an airfield runway; and laser scanning and imaging signals are transmitted to the control system and the display device through transmission lines. In the airfield runway foreign object detection system, the characteristic of high precision of laser is utilized, thus smaller foreign objects on the airfield runway can be detected, and the physical coordinate positions of the smaller foreign objects can be determined; and the imaging devices are used for providing visual and visible image information for staff so as to be convenient for confirming and processing alarm targets for the staff. The system can be used for monitoring the airfield runway around the clock for 24 hours without being influenced by environment, thereby false alarms are reduced. Meanwhile, the system can automatically carry out detection during the period of a regular flight without influencing the normal operations of the airport.

The invention discloses a system software updating method and a device in a terminal appliance. The method comprises that a first software partition of a terminal device is used as a main software partition, wherein the first software partition is indicated according to software partition information. A system software which is located in the first software partition can be initiated. When the initiated system software receives updating commands of the system software, a system software which is located in a second software partition can be updated according to a downloaded system software in a new edition, wherein the initiated system software is in an operational process. After the updating is completed, the main software partition which is indicated by the software partition information is modified from the first software partition to the second software partition. When the system software in the main software partition (such as the first software partition) is operated, the system software in a backup software partition (such as the second software partition) can be updated. Therefore, even though the updating is failed, the normal operation of the system software of the main software partition can be not affected. The terminal device can be guaranteed to initiate and operate normally as usual.

The embodiment of the invention discloses a method for realizing a machine-to-machine (M2M) service. The method comprises the following steps: receiving an M2M service request sent by a source M2M business entity; judging whether the M2M service indicated by the M2M service request is allowed to perform according to resource scheduling information; and if yes, sending the M2M service request to the target M2M business entity according to target address information carried in the M2M service request. Correspondingly, the embodiment of the invention further discloses a system and a connection network for realizing the M2M service, thus effectively avoiding performing the M2M service in the case of larger network load, not affecting normal operation of other communication services while carrying out the M2M service, and improving the service quality of the M2M service correspondingly.

The invention discloses a private cloud system and an operating method, and belongs to the field of a computer cloud platform. For the problems of high complexity, high fault rate and high maintenance cost of a cloud platform system in the prior art, the invention provides a private cloud system and an operating method. The private cloud system includes a login module having a user unified login interface and for user login and user authority acquisition; a management intermediate layer module for receiving a request from a user and managing logical resource pools; an abstract intermediate layer module for managing resource information of each independent cloud platform in a unified manner and dividing the plurality of independent cloud platform resources into a plurality of logical resource pools as needed, and for receiving an operating request from the management intermediate layer module, calling a physical platform API for executing operation, and returning an operating result to the management intermediate layer; and a plurality of open source cloud platforms which constitute an independent complete open source cloud platform through a server. The effect of reducing the complexity of the cloud platform system can be realized, the fault rate is low, and the maintenance cost is low.

The invention discloses a method for sending multimedia broadcast / multicast service (MBMS), which includes: a1. Network informs UE about the single-distributed carrier information of MBMS. a2. Network determines the carrier style of the current MBMS when it receives the instruction for starting the conversation. a3. Network sends controlling information and instruction to UE, and establishes the carriers according to the determined style, then transmits the current MBMS service to UE via carrier of MBMS.

The present invention discloses a series-connected sludge anhydration system by utilizing waste heat of steam-power plant smoke. Said series-connected sludge anhydration system includes heat supply system, sludge pretreatment system, feeding system, sludge anhydration and granulation system and dust-removing and gas-removing system.

The invention provides an underground coal mine unidimensional positioning method and system based on a wireless sensor network. According to the undimensional positioning method, a roadway is divided into a plurality of continuous non-overlapping rectangular positioning units with equal long sides, and deployment reference nodes are non-symmetrically arranged so as to record information of each rectangular positioning unit; each reference node utilizes periodic broadcasting signals of other adjacent reference nodes to update a corresponding parameter in a reference node data packet; a mobile node is used for filtering and sequencing the reference node data packet, and recording the IDs (Identifications) of adjacent mobile nodes; and the mobile nodes are positioned through calculation, sequencing and size comparison of the reference node data packet, the recorded IDs of the adjacent mobile nodes and the database information. The underground coal mine unidimensional positioning system comprises a plurality of wireless sensor sub-networks deployed in the roadway, a central switch arranged on the ground, and a safety monitoring and information management network. The underground coal mine unidimensional positioning method and system based on the wireless sensor network, provided by the invention, have the advantages of high positioning accuracy, low cost, simple system structure and low power consumption, and can meet the specific requirements of operating environment and security of the underground mine coal.

The invention discloses a method for recycling water-containing sump oil by utilizing a delayed coking device. The method comprises the following steps: (1) injecting water-containing sump oil into a steam blowing exhausting pipeline of a coke chamber when the coke chamber of the delayed coking device is subjected to large steam blowing and coke cooling process, wherein the water-containing sump oil is heated by high-temperature oil gas from the coke chamber; (2) gasifying water and light oil fractions in the water-containing sump oil, mixing the gasified water and light oil fractions with cooled oil, oil gas and steam from the coke chamber, and allowing the mixed oil gas to enter an emptying tower; and (3) distilling off the steam and light oil fractions from the top of the emptying tower, condensing, cooling, allowing the steam and light oil fractions to enter a liquid separation tank on the top of the emptying tower, and separating non-condensable gas, light sump oil and sulfur-containing sewage from the liquid separation tank, wherein heavy oil fractions are extracted from the bottom of the emptying tower. According to the method disclosed by the invention, the water-containing sump oil which is difficultly treated in an oil refinery is treated, the cooling load and energy consumption of the coking device are reduced, and the method is not influenced by the properties of the water-containing sump oil. The energy conservation and emission reduction in a refinery plant are promoted, and a certain economic benefits are created for the refinery plant.

The invention discloses a garbage disposal waste heat power generation system with an internal steam pipe, which comprises a garbage gasifier and a turbine steam power generation device. The turbine steam power generation device comprises a steam generator, a steam discharge pipe, a steam drum, a steam turbine and a power generator, wherein the steam drum, the steam turbine and the power generator are sequentially connected, and the steam generator is arranged in the garbage gasifier and is of a cylindrical cage type structure comprising an upper annular pipe, a plurality of straight pipes and a lower annular pipe. As the steam generator is arranged in the garbage gasifier to realize primary heat exchange and a heat exchanger is additionally arranged in a flue gas channel to realize secondary utilization, heat generated in garbage disposal is used to the maximum extent, the technique with low heat utilization rate of a waste heat boiler for traditional garbage disposal steam power generation in the past is thoroughly changed, and garbage disposal heat recovery is maximized. Owing to a four-step hydraulic pusher, garbage is increasingly looser in the process of entering the garbage gasifier, and is not blocked.

The invention relates to a material taking device which comprises a connecting plate and a driving device used for driving the connecting plate to move up and down, wherein the connecting plate is provided with a suction cup connecting rod; the lower end of the suction cup connecting rod is provided with a suction cup; the suction cup connecting rod is internally provided with a gas circuit; one end of the gas circuit is communicated with an adsorption surface of the suction cup; the other end of the gas circuit is connected with a vacuum pump by a pipeline; the pipeline is provided with an electromagnetic valve; the connecting plate is also provided with an approach switch; and the approach switch is connected with the electromagnetic valve in a communication way. The material taking device is applicable to taking materials for a pole plate of a storage battery. When the material taking device is used for taking the materials, the rejection rate of the pole plate of the storage battery can be reduced; furthermore, when being lifted, the pole plate of the storage battery is not inclined and does not easily fall off.

The invention discloses a distributed WEB micro service container cluster architecture system and an implementation method thereof. The system comprises a front-end cache content distribution network,a high concurrent container cluster service stack and a shared data aggregation, wherein the front-end cache content distribution network contains a load balancer, a data buffer, an information proofreading module, a traffic filter, and a DNS node arbitration module; the high concurrent container cluster service stack contains a container monitoring module, a container scheduler, a container cluster management module, a service association middleware, a service manager, and a container security module; and the shared data aggregation contains a data load distribution equalizer, a data synchronization module, a reading and writing separation module, and a disaster recovery module. The method comprises the steps of: obtaining a user request, performing DNS arbitration, cleaning garbage traffic, acquiring reading and writing operations, proofreading consistency of module verification information, loading caching, selecting a service, associating the service, monitoring arbitration, scheduling the container, determining security, and acquiring data. The invention is applicable to system architectures in large distributed services.

The invention discloses a method, application and system for managing a server cluster. The method for managing configuration data of the server cluster is applicable to be executed in a management server. The server cluster comprises a plurality of application servers. The method comprises the following steps: receiving first configuration information from a client, wherein the first configuration information comprises an identification of a corresponding configuration item and configuration data of the configuration item; and synchronizing the received first configuration information to a configuration server, so as to facilitate the configuration server to inform one or multiple of the plurality of application servers monitoring the configuration item to acquire the first configuration information.

A 10kV power distribution circuit insulation tower head is disclosed, which is characterized in that: adopting hydrophobic high-strength insulation bar to be assembled with needle-typed insulator by gold tool and form an insulation tower head entity, or adopting hydrophobic high-strength insulation bar to be assembled with gold tool directly and form an insulation tower head. By using the invention, the insulation level of the power distribution circuit can be greatly improved, the thunder discharge air gap can be obviously enlarged, the lightning stroke and line break accidents can be effectively prevented and the climbing distance can be expanded, further, the structure type is easy to improve self-cleaning ability and the occurrence of pollution flashover can be basically and completely precluded, which is beneficial in charged operation, simple in operation process and improves the operation security.

The invention discloses a data integration and exchange platform based on an SOA. An ESB system architecture is adopted in the platform and is divided into six subsystems in total, and the six subsystems are a front end unified entry subsystem, an ESB core agent subsystem, a provider adapter subsystem, a service registration and management subsystem, an ESB monitoring and management subsystem and a file transmission subsystem. The whole strategic positioning is definite, all the subsystems cooperate on the premise of independent construction, and information isolated islands among systems are avoided; service-oriented system integration and fault isolation are achieved, normal operation of other systems is not affected if one system breaks down, and system stability and expandability are fully improved. The problem that server loads are too large is solved, and stable operation of a website is ensured; system stability is high, the requirement for large service volume processing speed and the handling capacity of clients is met, and user experience is good; inside and outside network channels get through completely, and repeated development of the same interfaces is avoided.

The invention relates to a duel-core embedded networking data acquisition device and a filtering method for blind source separation thereof, which belongs to the field of information technology. The duel-core embedded data acquisition device controls a running state of the whole system by using ARM, analyzes and processes the acquired data by using DSP, is communicated with ARM through an HPI interface, can give a play to the advantages of ARM in terms of logic control, also can give a play to the advantages of DSP in terms of digital signal processing. Moreover, the running speed of the system is improved. The device can send data through not only Ethernet, but also a GSM / CDMA module, and is automatically switched to other transmitting modes by an ARM embedded processor, thereby avoiding breakdown of the system and increasing robustness of the system without influencing the normal operation of the system. A second class filtering mode for combining hardware filtering with software filtering based on blind source decoupling is adopted to truly and effectively restore signals and separate the needed source signal.

The present invention discloses a sludge anhydration system by utilizing waste heat of steam power plant smoke. Said sludge anhydration system includes heat supply system, sludge pretreatment system, feeding system, sludge, anhydration and granulation system and dust-removing and gas-removing system.

The invention relates to a method for evaluating the capacity attenuation degree of a lithium ion battery online. According to the method, the relationships of the capacity attenuation degree and accumulated processing energy of the battery under different charging and discharging depths are established through cyclic tests of the battery under the different charging and discharging depths, and the association relationships are applied to an energy storage monitoring system, and therefore, the on-line evaluation of the capacity attenuation degree of the lithium ion battery can be realized.