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 discloses an anti-interference electronic transformer acquisition device and method. The anti-interference electronic transformer acquisition device comprises an electromagnetic closed isolation machine box, a signal input / output interface, a power module, a controller, a dual A / D conversion module, and a low-pass filter; the power module, the controller, the dual A / D conversion module and the low-pass filter are installed in the electromagnetic enclosed isolation machine box; the electromagnetic enclosed isolation machine box adopts a closed structure; the signal input / output interface and the interface of the power module are sealed and connected to the electromagnetic enclosed isolation machine box; the signal input interface is electrically connected to the low-pass filter; the low-pass filter is electrically connected to the dual A / D module; the dual A / D module is electrically connected to the controller; and the controller is electrically connected to the signal output interface. The invention eliminates the influence of electromagnetism on the electromagnetic transformer acquisition device in the substation, and eliminates the influence of the high frequency and high voltage interference signal generated after the disconnecting switch of the substation on the collecting device, and improves the acquisition reliability of the acquisition device.

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 present invention relates to an automatic optical detection method and automatic optical detection device, the automatic optical detection method comprising the following steps: color light projection step, uniformly projecting the three primary colors of light on an object to be detected, and forming an image with different colors; obtaining the gray scale information corresponding to different areas of the image, and then generating a standard image for automatic optical inspection; and comparing the standard image for automatic optical inspection with a pre-stored reference image. The present invention only needs to process the grey scale information of the image, thus reducing the data volume and the processing difficulty of an image processing unit and a statistical analysis unit, and improving data acquisition reliability, precision, repeatability and speed. The present invention reduces the requirements on the detection device, thus facilitating the reduction of detection device input cost.

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 plane space positioning method for a robot. The steps of the method are as follows: 1) setting the angle bar code device; 2) establishing a comparison table of images and angles, and uploading the comparison table of images and angles to the robot to be positioned; 3) preparing at least two angle bar code devices, and Place them at any position in the plane space; store the coordinate information of the two angle barcodes in the robot; 4) the robot takes pictures of at least two angle barcodes placed in the plane space; 5) obtain two angle barcodes Angle β with the robot respectively 1 ° and β 2 °; 6) The robot calculates its position coordinates in the plane space through the trigonometric function relationship; this positioning method not only has fast positioning speed, but also has reliable data and will not be disturbed by the external environment.

The invention relates to a meter-bus data collector with ultra-low power loss. The meter-bus data collector comprises a main CPU module integrated with a universal asynchronous receiver / transmitter (UART) chip, a clock module, a memorizer and an RS-485 communication module. The meter-bus data collector is characterized in that the main CPU module employs a 16-bit Flash type MSP 430 series ultra-low power loss singlechip computer waken up by the clock module; and the RS-485 communication module is isolated by a high-speed isolation chip, is waken up by the clock module and is provided with an M-bus communication collection module for collecting the data. The power loss of the meter-bus data collector is 1 / 20 that of a conventional data collector. The meter-bus data collector can save a lot of energy for long-term running, can collect the data according to collection solutions during running process, has relatively high collection reliability, and can mark metering devices having faults, so that the faults can be found and dealt with as early as possible, thereby facilitating reducing metering loss. The meter-bus data collector has relatively high communication speed with no need of frequently reading meter, so that the power consumption of the system can be further reduced.

The invention belongs to the field of underwater target detection, and specifically discloses a detection system and detection method for underwater shipwrecks. The system includes: an aircraft carrier platform used for flying above sea level; Arranged in a circle, and each power frequency electromagnetic sensing device is used for real-time independent drive of its corresponding servo system to detect and perceive any radius area within the preset fan-shaped sea level centered on the sea level center of the current sea area to be detected In the sea area, each preset fan-shaped sea level range has no overlap and the sum of the central angles is less than or equal to 360 degrees; the signal processor is used to process the power frequency electromagnetic signals collected by each power frequency electromagnetic sensing device in real time, through processing and combining with the background power frequency Electromagnetic signal comparison to identify the sunken ship area. The present invention combines the frequency band advantages of power frequency electromagnetics and the sensor array detection system to give full play to the overall performance, thereby improving the wide-range scanning perception ability of underwater sunken ships, and breaking through the limitations of the detection range and relatively large interference noise.

The invention discloses a shared car power manager structure, which relates to the technical field of cars. Including the power manager assembly shell, the interior of the power manager assembly shell is provided with a vehicle wiring harness interface, a bluetooth module, a fuse installation module, a relay installation module, an intelligent power management module, a car networking module, a signal output interface, a vehicle Network communication interface, signal receiving interface, positioning module, battery sensor and power switch. The structure of the shared car power manager is highly integrated, and it is only connected to the vehicle through a wiring harness interface, which is convenient for modification and installation. The battery sensor is integrated, and the voltage and power collection of the battery is more reliable. The invention can locate the vehicle position. It has an anti-theft function, and when the battery voltage is low or the battery is low, it will be charged automatically, reducing the burden and cost of manual operation and maintenance. It can realize interactive intelligent power management based on cloud services, and is easy to expand and maintain functions.

The invention discloses an offline high-speed fiber-optic gyroscope data acquisition method including steps of initializing an SD (secure digital memory card) through an FPGA (field programmable gate array) chip to enable the SD card to go into an SPI (serial peripheral interface) operating mode and activating SPI communication bus after completing the initialization, reading data in specified address of the SD and configuring transmit frame formats, write frame speed and timers for data acquisition according to the data in the address, creating a data buffer cache of 2048 bytes in the FPGA chip, and controlling the SD by the FGPA chip through the SPI communication bus to perform writing and reading of fiber-optic gyroscope data so as to complete the whole data acquisition process. Offline high-speed fiber-optic gyroscope data acquisition can be realized by the method, limitations of online data acquisition methods to transmission speed of fiber-optic gyroscope test data are broken through, and the transmission speed can be 2.5MB / s. In addition, the method has good adaptability to environments and effectively improves reliability in fiber-optic gyroscope test data acquisition.

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.

The embodiment of the invention discloses an information processing method and a device, and a computer storage medium. The method comprises the steps of acquiring original information of a query number; obtaining a plurality of original yellow page names corresponding to the query number according to the original information of the query number; and performing feature screening on the plurality of original yellow page names to obtain a target yellow page name corresponding to the query number. According to the information processing method, the device and the computer storage medium, an original yellow page name is determined according to original information of a query number; and the obtained original yellow page name is subjected to feature screening to determine the target yellow pagename with relatively high final accuracy, so that the problem of very low reliability of yellow page number name acquisition and updating efficiency in a traditional method is solved, and the reliability of the yellow page number name acquisition and updating efficiency is effectively improved.

The present invention proposes a task allocation method in an industrial distributed data collection system. This method comprehensively considers multiple factors such as collection node resource utilization, collection efficiency, load balancing, collection reliability, heterogeneous collection nodes, etc., and establishes an initial simulation-based The optimization model for the number of collection nodes and the optimization model for initial task allocation optimize the number of working collection nodes based on the actual configuration and usage of each collection node, improve the utilization of collection resources, and realize various tasks in the industrial distributed data collection system. Under different conditions of collection node resource configuration and resource usage, the initial assignment of tasks includes both 1:1 redundant tasks and non-redundant tasks, which meets the real-time and reliability requirements of industrial distributed data collection in the industrial big data environment. , the need for effective utilization of resources, etc.