32results about How to "Improve acquisition reliability" patented technology

The invention discloses an intelligent resident electricity utilization management method and a management system. The management system comprises an intelligent electric energy meter, a collector, a concentrator, a host station server, a short message platform, an energy storage element, and an electric vehicle electricity charging and conversion management module. The management method comprises the steps of intelligent acquisition for the resident electricity consumption condition, ordered electricity utilization management realization, on-line energy charge calculation, line loss analysis for power distribution grid which directly powers resident users, management in energy storage element access and charge-discharge, and management in conversion and charging of the electric vehicle. Through the management system and the management method, the advantages of intelligent electricity utilization management, improved management efficiency, and reduced management cost are achieved.

A user equipment (UE) located in a soft handover region transmits channel quality indicator (CQI) information bits for informing a Node B of quality of a downlink channel through a CQI field and a high speed pilot (HS-Pilot) field constituting a subframe of an uplink secondary dedicated physical control channel (DPCCH) in a code division multiple access (CDMA) communication system. The UE outputs a codeword of length 20 by coding the CQI information bits with a code of length 20, which is used when a high speed downlink packet access (HSDPA) service is not supported, and permutes 15 coded bits coded by the same code, as a code of length 15, which is used when the HSDPA service is supported, among 20 coded bits constituting the codeword, thereby locating the 15 coded bits in the CQI field, and permutes the 5 remaining coded bits to be located in the HS-Pilot field.

The invention discloses an Ad Hoc network-based crane automatic cruising system of an RTK Beidou positioning system. The Ad Hoc network-based crane automatic cruising system comprises: at least one Beidou positioning base station used for acquiring base station positioning data of the Beidou positioning base station; at least one positioning tracking device used for acquiring corresponding RTG crane positioning data and connected with a control device arranged in a crane; and at least two Ad Hoc network communication devices respectively communicated with the Beidou positioning base station and the positioning tracking device, wherein Ad Hoc network is established between the Ad Hoc network communication devices; the RTK Beidou positioning base station sends the base station positioning data through the Ad Hoc network communication devices; and positioning tracking devices transmit data, acquire the carrier wave phase observed value of the base station through the Ad Hoc network communication devices, carries out positioning calibration by combining positioning data of the above RTG crane to obtain the RTK coordinate of the RTG crane, and realizes automatic cruising through a control apparatus according to the RTK coordinate of the RTG crane and a cruising algorithm. The invention also discloses an automatic cruising method.

The invention relates to a detection method for the quality of an electric power pipe gallery reinforcing steel bar mesh based on machine vision and a detection device. The detection method comprises the steps of reinforcing steel bar quantity detection, reinforcing steel bar spacing detection and reinforcing steel bar diameter detection, and is characterized in that reinforcing steel bar quantity detection adopts technologies such as image stitching and Hough transform straight line detection to count the quantity of reinforcing steel bars within a meter marker and judges whether the reinforcing steel bars are qualified or not; reinforcing steel bar spacing detection adopts an edge extraction technology, fits each reinforcing steel bar by using a least square method, calculates the distance between adjacent reinforcing steel bars in a rectangular detection area and judges whether the reinforcing steel bar spacing of the section is qualified or not; and reinforcing steel bar diameter detection is similar to reinforcing steel bar spacing detection, the difference lies in that double edges of each reinforcing steel bar are fit by using the least square method in the rectangular detection area, and the diameter of each reinforcing steel bar is calculated so as to judge whether the reinforcing steel bar diameter of the section is qualified or not. The detection device comprises a scalable triangular frame, a double-pipe guide rail, a stepper motor, a level gauge and a cradle head loaded with an ultra high definition camera. According to the invention, information of the reinforcing steel bar mesh of a project under construction can be collected in advance before reinforced concrete is poured.

The invention discloses an interactive integration method and an interactive integration system of a drug information management service. An identification code corresponding to a drug is attached to an outer package of the drug; the identification code can be scanned and identified by scanning terminal; after being scanned, the identification code is guided to an appointed server terminal through a network; and the server terminal feeds back response information and displays on the scanning terminal. According to the invention, the drug throughout the whole medical process of patients is used as a support point of medical information interaction; and instant communication of the drug among a producer, a consumer and a treatment organization can be realized through open-source interaction that one drug has one code.

The invention discloses a missile-borne telemeter with a record function. The missile-borne telemeter comprises a telemetering power source and a power source management module, wherein the telemetering power source is connected with the power source management module and used for providing a working power source for the missile-borne telemeter. The missile-borne telemeter further comprises a signal conditioning module, a signal collecting and converting module, a collecting and editing module and a transmitter, wherein the signal conditioning module is electrically connected with the signal collecting and converting module, the signal collecting and converting module is electrically connected with the collecting and editing module, and the collecting and editing module is electrically connected with the transmitter. The missile-borne telemeter further comprises a record storage module electrically connected with the collecting and editing module. Collected data are stored and backed up, the back-up data can be read when landing to be recovered without being affected by electromagnetic interference, the telemetering data can be obtained through wireless transmission and recovery of the back-up storage data, and therefore the reliability of data obtaining is improved.

The invention discloses a relay protection interval integrating device for an intelligent substation. The relay protection interval integrating device comprises a line protection module, a looped network bus protection module, a process layer module and a management CPU (Central Processing Unit) module, wherein information interaction and transmission are performed among the modules through an embedded HSB bus. Through adoption of the relay protection interval integrated device, the quantities of secondary equipment and screen cabinets are reduced greatly; secondary wiring and network configuration are simplified; the information acquisition reliability, instantaneity and information processing efficiency are improved; the information interaction capabilities of the functional modules in the substation are enhanced greatly; the engineering overhauling difficulty and running maintenance workload are lowered; in-place interval of cross-interval protection is realized; a technical basis is laid for primary equipment and the secondary equipment; and the whole framework of the intelligent substation is optimized.

The invention provides a task allocation method for an industrial distributed data collection system. According to the method, multiple factors such as resource utilization rate of collection nodes, collection efficiency, load balance, collection reliability, heterogeneous collection nodes and the like are comprehensively considered; simulation-based initial collection node number optimization model and initial task allocation optimization model are built; and according to actual configuration and usage conditions of the collection nodes, the number of the collection nodes in operation is optimized, so that the collected resource utilization rate is increased, initial allocation of tasks including 1:1 redundant tasks and non-redundant tasks under different resource configuration and resource usage conditions of the collection nodes in the industrial distributed data collection system is realized, and the demands of industrial distributed data collection on collection timeliness, reliability, resource effective utilization and the like in an industrial big data environment are met.

The invention relates to a pavement deflection measurement device and a measurement method thereof. The pavement deflection measurement device comprises an acceleration meter, a data collection card, a processor and output equipment, wherein the acceleration meter is buried in a surface layer of the pavement to be measured and is connected with the data collection card through a signal wire, the data collection card is connected with a communication interface of the processor, and the processor is also connected with the output equipment. The acceleration meter burying method is adopted, the acceleration meter is pre-buried in the surface layer of the soft pavement, the pavement deflection speed during the heavy duty truck milling is directly collected in real time, the dynamic collection of deflection values is realized, and the deflection values can be used as the calibration reference values of Benkelman beams. Compared with the traditional pavement deflection calibration mode, the method has the advantages that the influence caused by external collection environment is avoided, the measurement precision is improved, the measurement efficiency is also improved, and very wide practicability and universality are realized.

The invention discloses a Baud rate automatic conversion system and method supporting a DLT698 protocol, and belongs to the technical field of intelligent power grid electricity information acquisition. The invention aims to solve the technical problem of low meter reading success rate of a station acquisition terminal caused by 485 long-distance communication and uncertainty of default baud rateof a 485 interface of an intelligent electric meter. The adopted technical scheme is as follows: the system comprises a main station, a field station acquisition terminal, a 485 repeater and an intelligent electric meter, wherein the main station is connected with the field station acquisition terminal through the Ethernet; the field station acquisition terminal is connected with the 485 repeaterthrough an RS-485 interface, the 485 repeater is connected with the intelligent electric meter through an RS-485 interface, and the field station acquisition terminal regularly reads intelligent electric meter data supporting a DLT698 protocol through the 485 repeater and regularly uploads the read intelligent electric meter data to the main station through the Ethernet. The invention further discloses a method for automatically converting the Baud rate supporting the DLT698 protocol.

The invention discloses a method for monitoring the vehicle speed and load by piezoelectric arrays, which is characterized in that two columns of parallel piezoelectric arrays are embedded at intervals along the driving direction of automobiles on the road surface, the two columns of piezoelectric arrays are internally equipped with the same number of piezoelectric aggregate units, the piezoelectric aggregate units in the two columns of piezoelectric arrays are uniformly arranged at intervals and have the same spacing distance, all piezoelectric aggregate units in the piezoelectric arrays areconnected with a signal acquisition system in parallel, and the signal acquisition system is led to a processing system through a data line; the processing system obtains the driving speed of a vehicle according to time parameters; and the load of the vehicle is obtained according to the voltage generated when the vehicle runs over the piezoelectric arrays. The method is used for monitoring the pressure stress of the vehicle for the road surface and the vehicle speed. Compared with the existing piezoelectric sensor, the sensing performance is more sensitive and more stable.

The invention relates to a geothermal energy high-efficiency heat exchanger comprising a bearing keel, heat exchange plates, heat exchange pipes, guide pipes, temperature sensors and pressure sensors.The bearing keel comprises locating racks, guide sliding rails, sliding chutes and hoisting rings; the heat exchange plates are embedded in the locating rack, and the heat exchange pipes are installed on the upper and lower surfaces of each heat exchange plate separately; the two ends of each heat exchange pipe communicate with the guide pipes separately, and at least three temperature sensors are provided, wherein at least one temperature sensor is embedded on the outside surface of the heat exchange plate, and the rest temperature sensors are located at the connection positions between thetwo ends of each heat exchange pipe and the guide pipes; at least two pressure sensors are provided, and uniformly distributed on the outside surface of the locating rack around the axis of the locating rack. According to the high-efficiency heat exchanger, on one hand, the working efficiency of geothermal energy resource collection can be improved effectively, and the construction cost of the collection operation is reduced; on the other hand, the structure of geothermal energy resource collection equipment is simplified effectively, and the reliability and stability of the geothermal energyresource collection are improved; and the operation cost is reduced.

The invention discloses a ship target damage effect evaluation test device, which combines a wireless data transmission technology with a black box test technology to construct an upper and lower computer wireless communication network. The upper computer carries out data acquisition, storage and transmission through wirelessly and remotely controlling the lower computer, and collects data of thelower computer test black box and damage effect evaluation software to carry out seamless interface; the lower computer test black box can wirelessly transmit test data to the upper computer within alimited time from the end of an explosion test to the front of ship sinking, and can salvage and recover the black box through the recovery positioning device after the ship body sinks, and then perform secondary data read-back. According to the device, a wireless transmission and secondary storage dual-data backup scheme is adopted, so that a function of immediately displaying data after a test can be realized, and reliable acquisition of the data in an extreme environment can also be ensured; the device and the related technology are particularly suitable for dynamic and transient test of weapon systems in sea, lake and conventional severe environments.

The invention relates to a dual-channel reliable collection method for different meshing codes. Dual-channel time sharing collection is adopted, and dual-channel collection time interval is in a mode of different meshing codes. Compared with the prior art, the dual-channel reliable collection method provided by the invention has the advantages of avoiding the collection leakage of various oscillation signals, and greatly improving the collection reliability, etc.

The invention relates to a thermal energy efficient heat-exchanging device which comprises a bearing keel, heat-exchanging plates, heat-exchanging pipes, flow guide pipes, at least three temperature sensors and at least two pressure sensors, wherein the bearing keel comprises a positioning rack, a guide slide rail, a chute and a hoisting ring; the heat-exchanging plate is embedded into the positioning rack; the heat-exchanging pipes are separately mounted on the upper surface and the lower surface of each heat-exchanging plate; two ends of the heat-exchanging plate communicate to the flow guide pipes, separately; at least one of the at least three temperature sensors is embedded into the outer surface of each heat-exchanging plate; the rest temperature sensors are separately located in theconnecting positions of two ends of the heat-exchanging plates and the flow guide pipes; and the at least two pressure sensors are uniformly arranged on the outer surface of the positioning rack around the axis of the positioning rack. On the one hand, the thermal energy efficient heat-exchanging device can improve the work efficiency of a thermal energy resource collecting operation effectivelyand lower the construction cost of the collecting operation, and on the other hand, can simplify the structure of thermal energy resource collecting equipment effectively, so that the purposes of improving the thermal energy resource collecting reliability and stability and lowering the operating cost are achieved.

The invention belongs to the technical field of automobile engineering and discloses an oil pump. The oil pump comprises an oil pump body, a liquid level sensor and a cavity. The bottom of the cavity communicates with an oil cavity of the oil pump body through an oil passing hole. The liquid level sensor is arranged in the cavity. The oil pump provided by the invention can accurately measure the oil amount and has good anti-oscillation capability.