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53results about How to "Solve collection problems" patented technology

Flight training data acquisition and quality evaluation system of analog machine

The invention belongs to the field of aviation training, relating to a flight training data acquisition and quality evaluation system of an analog machine and a technical scheme thereof, in particular to the problems of acquiring the videos of flight data in a training system monitor of the analog machine, preprocessing an image after video frame graduation by applying an image processing technology, recognizing the flight data in the image by using a pattern recognition technology, carrying out three-dimensional simulation on a flight path in the training process of the analog machine so as to further carry out teaching evaluation, generalizing and summarizing typical problems, submitting the problems and flight training videos to a video server and providing a share and study platform. Under the conditions of keeping fully isolation with an analog machine system and avoiding a data communication channel with the analog machine system, the flight training data acquisition and quality evaluation system provided by the invention accurately acquires the flight data, reproduces the training process of a pilot and evaluates the quality.
Owner:刘宇

System and method for ground information acquisition

The invention discloses a system and a method information acquisition. The system comprises a wireless sensing network, an information acquisition device and a third wireless communication link, wherein the wireless sensing network is arranged at a ground area; the information acquisition device is fixed on an unmanned plane and wirelessly connected with a ground control center for receiving flight command and task instruction; and the third wireless communication link is connected with the information acquisition device and the wireless sensing network, sends the command information of the information acquisition device to the wireless sensing network, sends data information acquired by the wireless sensing network to the information acquisition device, and is used for monitoring the wireless sensing network of the ground area; and when the unmanned plane enters the space above the ground area covered by the wireless sensing network, a communication unit of the wireless sensing network sends a data transmission command to the wireless sensing network of the ground area by adopting a broadcasting mode, and the wireless sensing network generates ground surface data according to theground data information received by a ground sensor and transmits the ground surface data to the communication unit of the wireless sensing network. The invention forms an aerial non-touch system forquickly monitoring and acquiring ground surface information, which is suitable for acquiring the ground information of large area.
Owner:SHENZHEN TECHVISUM TECH LTD

Community carbon emission monitoring and predicting system and method

The invention discloses a community carbon emission monitoring and predicting system and method. The system comprises a carbon emission monitoring module and a carbon emission prediction module. The carbon emission monitoring module collects community electric power, fuel gas, liquefied petroleum gas, gasoline, diesel oil and other energy consumption activity data and garbage, waste water and other solid waste activity data, the carbon emission of a community is calculated through an emission factor method, and the function of monitoring community carbon emission is achieved. The monitoring module collects per capita resident consumption expenditure, community permanent resident population quantity and local resident consumption price index input parameters. The carbon emission predictionmodule firstly nondimensionalizes input parameters, and then inputs the converted parameters to an improved support vector machine to carry out training modeling, thereby realizing a function of predicting community carbon emission. According to the invention, all carbon emission sources in the community boundary range can be comprehensively and accurately monitored, the future carbon emission ofthe community can be predicted, and a basis is provided for the community to formulate carbon emission reduction measures.
Owner:SOUTH CHINA UNIV OF TECH ZHUHAI INST OF MODERN IND INNOVATION +1

PCB (printed circuit board) automatic sorting machine based on machine vision

ActiveCN104841647ASolve the problem that the PCB board with holes cannot be separatedSolve collection problemsSortingMachine visionTransfer mechanism
The invention discloses a PCB (printed circuit board) automatic sorting machine based on machine vision. The PCB automatic sorting machine comprises a machine case (1), wherein a feeding opening (2) and a waste material outlet (3) are formed in the machine case (1); a feeding mechanism (4), a rolling separation mechanism (5), a waste material removing mechanism (6), a turntable removing mechanism (7) and a stacking transfer mechanism (8) which are in sequential connection are arranged in the machine case (1); the feeding mechanism (4) is connected with the feeding opening (2); the waste material removing mechanism (6) is connected with the waste material outlet (3). The PCB automatic sorting machine can be applicable to PCBs in various specifications, and has the advantages of high automation degree, high recognition efficiency and high sorting speed.
Owner:NORTHEASTERN UNIV

System and method for acquiring bus passenger flow information

The invention provides a system and a method for acquiring bus passenger flow information. According to the system, a double-core FRID (Radio Frequency Identification) bus card and a vehicle-mounted information acquisition subsystem are constructed on the basis of the RFID technology; the double-core FRID bus card is used as a public transit bus card of a passenger; when being fixedly arranged and borne on a bus, the vehicle-mounted information acquisition subsystem can automatically acquire the number of the passengers and passenger OD (Origin & Destination) information on the bus in real time; the difficulty in acquiring the information about the number of the passengers and the passenger OD information on the bus is overcome; once the system is constructed, the acquisition of the bus passenger flow information can be automatically operated and completed, so that the human resources for acquiring the bus passenger flow information are greatly saved and in the information acquisition process, the manual interference is low and the accuracy is high, and thus, powerful technical support can be provided for development of an urban public transportation system.
Owner:CHONGQING ACADEMY OF SCI & TECH

Website content anti-acquisition system and method thereof

InactiveCN102088477ASolve a large number of acquisitionsEasy accessComputer security arrangementsTransmissionIp addressCurrent time
The present invention provides a website content anti-acquisition system and a method thereof, wherein the website content anti-acquisition system comprises: an acquisition unit which is used for acquiring the ID, IP address, User-Agent and current time of a user; a query unit which is used for querying page views of the website pages for the user during the predetermined time slot; a comparison unit which is used for comparing the page views of the website pages for the user during the predetermined time slot with a set value; and a prohibition unit which is used for prohibiting the user from accessing the website when the page views of the website pages for the user during the predetermined time slot are greater than the set value. According to the method provided by the present invention, the webpage content can be prevented from acquiring without any modification of the webpage content.
Owner:北京互动百科网络技术有限公司

Aircraft with intelligent fire control voice assistant

The invention discloses an aircraft with an intelligent fire control voice assistant. A first camera is an infrared imager; the infrared imager is used for acquiring infrared image information; a second camera is a color camera; the color camera is used for acquiring color image information; a detection device transmits the infrared image information and the color image information to a control system through a communication module; and problems in clear image acquisition under various scenes can be solved through analyzing the infrared image information and the color image information. When the aircraft of the invention is set to perform inspection in a region of a certain radius, when detecting fire or smoke, the aircraft hovers above a region near an accident site to perform real-time detection, judges the type of goods at the accident site and emits voice prompts according the type of goods, or transmits acquired videos to the control system for performing processing, and after performing processing, the background controls a player to perform voice prompting.
Owner:TIANJIN ISECURE TECH

Intelligent storage device and storage system

The invention discloses an intelligent storage device and storage system. The system comprises the intelligent storage device and an intelligent mobile terminal, wherein the intelligent mobile terminal is in a wireless communication connection with the intelligent storage device; a wireless intelligent device in the intelligent storage device comprises a microcontroller, a charging device, a wireless device, a buzzing alarm device, a light emitting device, a temperature sensor, a humidity sensor and a light ray sensor; the intelligent mobile terminal further comprises an inquiry and information processing device; the inquiry and information processing device comprises a voice recognition device and an image recognition device. By adopting the system, intelligent information acquisition, management, lookup and sharing of articles in a storage device is realized, and intelligent sensing and alarming of temperature and humidity monitoring in the storage device are realized. By adopting the intelligent storage device, intelligent storage of traditional household articles and placement of the articles into apparatuses can be realized, and true intelligent home is realized.
Owner:冉红宇

Audio processing method and device as well as storage medium

ActiveCN110797042ATo achieve the purpose of inhibiting treatmentSolve collection problemsSpeech analysisEngineeringAudio signal
The invention discloses an audio processing method and device as well as a storage medium, and belongs to the technical field of voice processing. The method comprises the following steps of acquiringbeam-forming coefficient matrixes corresponding to a plurality of audio sampling frequency points, wherein the acquired plurality of beam-forming coefficient matrixes are determined on the basis of atarget fan-shaped region selected from a circular region corresponding to a microphone array, and are used for controlling audio signals acquired in an audio acquisition region specified by the target fan-shaped region to be in a mute state; determining a frequency domain signal of the audio signal acquired by each microphone in the microphone array under the plurality of audio sampling frequencypoints; and carrying out transformation processing on the determined frequency domain signals by taking each beam-forming coefficient matrix as the coefficient of the frequency domain signal of eachmicrophone under the corresponding audio sampling frequency point to obtain target audio signals. Through the adoption of the audio processing method and device, the audio signals of the target fan-shaped region needing muting can be suppressed under the situation of not influencing the acquisition of required audio signals.
Owner:HANGZHOU HIKVISION DIGITAL TECH

Method for realizing acquisition and analysis of special object identifiers (OID) in management information base (MIB) by using plug-ins

The invention relates to a method for realizing acquisition and analysis of special object identifiers (OID) in a management information base (MIB) by using plug-ins. According to the method, a simple network management protocol (SNMP) acquisition module is adopted; a third-party plug-in is deployed under the program plug-in directory of the simple network management protocol (SNMP) acquisition module; and the simple network management protocol (SNMP) acquisition module automatically loads the third-party plug-in, acquires the object identifier (OID) of network equipment, and judges whether the current object identifier (OID) is a special object identifier (OID) according to the manufacturer of the network equipment, the equipment model of the network equipment, and the acquired object identifier (OID), if the current object identifier (OID) is a special object identifier (OID), the simple network management protocol (SNMP) acquisition module calls the third-party plug-in to acquire and analyze the object identifier (OID). Since a mechanism according to which the object identifiers (OID) in the management information base (MIB) are acquired and analyzed by using the plug-ins is adopted, problems in object identifier (OID) acquisition are solved. The method can satisfy acquisition requirements of various kinds of special object identifiers (OID). The method has the advantages of high flexibility, extendibility and universal adaptability.
Owner:INSPUR TIANYUAN COMM INFORMATION SYST CO LTD

Airborne Internet of Things terminal and information transmission method

The invention discloses an airborne Internet of Things terminal and an information transmission method, and belongs to the technical field of Internet of Things. An airborne Internet of Things terminal is installed in an unmanned aerial vehicle or a general aircraft to receive data transmitted by an airborne sensor and transmit the data to a satellite radio frequency unit to realize frequency conversion, so that a synchronous or medium-low orbit communication satellite can receive a signal through a transmitting behavior of a two-dimensional phased array antenna. The beneficial effects of theinvention are that the method achieves the IOT communication of synchronous or medium-low orbit satellites through one terminal, and solves a problem that a conventional IOT is short in transmission distance and cannot achieve the information collection of cross-region coverage through the long-distance coverage of the satellites; and the satellite can be accurately and quickly aligned in the static and high-speed operation of the aircraft, and the real-time communication of information is completed.
Owner:天宸星通(深圳)科技有限公司

Non-invasive cloud-side monitoring method based on industrial large-scale equipment and system thereof

The invention discloses a non-invasive cloud-side monitoring method based on industrial large-scale equipment and a system thereof. Through the monitoring method disclosed by the invention, an original signal and an electric signal of the equipment are acquired and analyzed through a non-invasive way, and the real-time remote monitoring and yield analysis on the equipment are realized through a cloud-side way. In comparison with the prior art, the cloud-side monitoring method has the following advantages: the equipment is taken as the center, the information acquisition problem is solved on the equipment, the method mainly comprises the following steps: signal deleting and selection, signal accessing, signal processing, data storage, data conversion, data reporting, cloud-side information system saving, analysis and presentation, and mobile phone APP data presentation.
Owner:安徽三马信息科技有限公司

Fresh sediment sampler

The invention provides a regenerate sediment sampler which comprises a lifting rod, cup brackets and a base, wherein, the bottom end of the lifting rod is connected on the base, the lifting rod is at least provided with one group of cup brackets, each group of the cup brackets is at least provided with one cup stand, and a mud-containing cup is placed on the cup stand. The lifting rod is formed by connecting subsection rods, two ends of which are provided with screw thread, through pipe joints, and the length can be adjusted and changed. The cup stands of each group of the cup brackets on the lifting rod are distributed in different vertical directions so as to avoid the interference of the cup stand on the upper layer to that of the lower layer in the collection process of the regenerate sediment as far as possible. In the sampling process, collecting personnel stand on the shore or the ship to operate, put the sampler into a sampling point vertically, and collect the new settled sediment in the mud-containing cup within the set sampling period. The sampler has simple structure and convenient use, and can realize scientific and reasonable regenerate sediment sampling, thus solving the problem that regenerate sediment sample collection can not be carried out ever since a long time ago.
Owner:SHANDONG JIANZHU UNIV

Aircraft provided with detector with protector

The invention discloses an aircraft provided with a detector with a protector. The aircraft comprises an unmanned aerial vehicle body, a fixation frame and a detection apparatus, wherein the fixation frame is arranged at the lower portion of the unmanned aerial vehicle body, and the detection apparatus is connected with the unmanned aerial vehicle body through the fixation frame. According to the invention, a binocular visual structure is arranged. The detection apparatus comprises a first pick-up head and a second pick-up head, the detection apparatus sends infrared image information and color image information to a control system through a communication module, through analyzing the infrared image information and the color image information, the problem of acquiring clear images in multiple scenes can be solved, and application demands of users can be satisfied. The invention provides a transparent window fixation structure at the same time. According to the transparent window fixation structure, a transparent window can be effectively fixed, the problem of affected product service life caused by easy damage to the transparent window due to poor fixation in the prior art is avoided, and the application demands of the users are met.
Owner:TIANJIN ISECURE TECH

Power transmission line image data acquisition system and method based on Beidou short message

The invention discloses a power transmission line image data acquisition system and method based on Beidou short message, which comprises a transmitting end and a receiving end, wherein the transmitting end comprises a control terminal, a first Beidou short message all-in-one machine and an image sensor; the image sensor is connected with the input end of the control terminal, and the control terminal is connected with the first Beidou short message all-in-one machine; the receiving end comprises a second Beidou short message all-in-one machine, a data processor and a database; the second Beidou short message all-in-one machine is connected with the data processor, and the data processor is connected with the database; and the first Beidou short message all-in-one machine and the second Beidou short message all-in-one machine are positioned and communicated through a Beidou satellite. The invention further provides a transmission line and gallery image data acquisition method based on the Beidou short message. The Beidou short message communication technology is used as a data transmission mode, so that the system is not limited by the environment, safe and reliable operation of a power transmission line is guaranteed, and the system has a good application prospect.
Owner:ELECTRIC POWER SCI RES INST OF STATE GRID XINJIANG ELECTRIC POWER +2

An automatic sorting machine for pcb boards based on machine vision

ActiveCN104841647BSolve the problem that the PCB board with holes cannot be separatedSolve collection problemsSortingMachine visionEngineering
The invention discloses an automatic sorting machine for PCB boards based on machine vision, which comprises a casing (1), which is provided with a material inlet (2) and a waste material outlet (3), and the casing (1) There are sequentially connected feeding mechanism (4), rolling separation mechanism (5), waste rejecting mechanism (6), turntable rejecting mechanism (7) and stacking and transferring mechanism (8); the feeding mechanism (4) and the feeding port (2) connection, the waste material rejecting mechanism (6) is connected with the waste material outlet (3). The invention can be applied to PCB boards of various specifications, and has the advantages of high degree of automation, high recognition efficiency and fast sorting speed.
Owner:NORTHEASTERN UNIV LIAONING

Whole-plant corn silage sample collecting and density measuring device

The invention discloses a whole-plant corn silage sample collecting and density measuring device, and relates to the field of agricultural machinery. The whole-plant corn silage sample collecting anddensity measuring device comprises a walking mechanism, wherein the walking mechanism comprises a walking bottom plate, a walking motor and walking wheels; a plurality of walking wheels are mounted atthe bottom of the walking bottom plate; the walking wheels are connected with the walking motor; the walking motor can be mounted on the walking bottom plate; a stretching mechanism is mounted on thewalking bottom plate; the stretching mechanism is connected with a density sampling mechanism and a surface removing mechanism. Through mechanical mechanisms, the problems of silage density determination and representative sample collection are effectively solved; through the density sampling mechanism, automatic sampling of corn silage is achieved; through arrangement of a unidirectionally-driven conveyor belt mechanism, unidirectional movement of a sampling tube is achieved; through a pressure effect of a rubber film on a slide block, fixation and disengagement of the sampling tube are realized; the whole-plant corn silage sample collecting and density measuring device is ingenious in design and low in cost.
Owner:INST OF ANIMAL SCI & VETERINARY MEDICINE SHANDONG ACADEMY OF AGRI SCI

Geological prospecting equipment for marshland

The invention discloses geological prospecting equipment for a marshland. The geological prospecting equipment comprises a working box, wherein a working cavity is formed in the working box; the upperend of the working cavity is communicated with a sampling cavity; an acquisition motor is fixedly arranged on the top wall of the sampling cavity; an acquisition telescopic rod is fixedly arranged atthe lower end of the acquisition motor; an acquisition barrel is fixedly arranged at the lower end of the acquisition telescopic rod; a driving motor is fixedly arranged on the rear wall of the working cavity; a driving shaft is arranged at the front end of the driving motor through power; and a first rotating shaft and a second rotating shaft are rotationally arranged in the working box. When the geological prospecting equipment is placed in the marshland, the equipment automatically and stably walks on the marshland, walking feet expand to increase the contact area and prevent the equipmentfrom sinking when making contact with the marshland, the walking feet contract to reduce the contact area and facilitate lifting when the walking feet are lifted, the problem that people need to enter the marshland manually for sample acquisition is solved, the equipment is not prone to sinking into the marshland, and the operation safety of the equipment is guaranteed.
Owner:福州经济技术开发区顺福昌电子科技有限公司

Particulate matter zero loss collecting system

The invention discloses a particulate matter zero loss collecting system. The system comprises a system protective housing, a flue gas sampling gun, a flue gas flow guide pipe and a cyclone dust-removing assembly, wherein the system protective housing is used for protecting the safety of each part of the system; the glue gas sampling gun is connected with the system protective housing through a sampling gun fixing assembly; one end of the flue gas flow guide pipe is connected with the flue gas sampling gun through a connecting piece; a tangential gas inlet of a conical cylinder body is connected with the other end of the flue gas flow guide pipe. The system solves the problem of flue gas particular matter collection before a pollution source dust remover is fixed, and is particularly aimsat a vertical flue measuring hole under the high-dust environment; the cyclone dust-removing assembly is increased, so long-time testing can be conducted and synchronous sampling before and after dustremoval is facilitated; the collection system is compact in structure, modularized and simple and convenient to operate, can change the specification structure according to the actual condition of the flue, and is favorable for carrying out the on-site work and improving the data accuracy.
Owner:CHINESE RES ACAD OF ENVIRONMENTAL SCI

LED ceiling lamp with built-in driving power supply

The invention discloses an LED ceiling lamp with a built-in driving power supply. The LED ceiling lamp structurally comprises a boom, a connecting seat, a heat dissipation device and a lampshade; the boom and the connecting seat are fixedly connected, and the connecting seat is located between the boom and the lampshade; the connecting seat is mounted at the top of the lampshade, and the heat dissipation device is mounted in an inner cavity of the connecting seat; and the end, away from the connecting seat, of the boom is fixedly connected with a ceiling, and the inner cavity of the connecting seat communicates with the lampshade. The LED ceiling lamp has the beneficial effects that heat generated during working of the driving power supply is utilized to promote a hollow air bag thin layer to move in the direction where a heat dissipation port is located so as to achieve the purpose of pushing two telescopic door plates to oppositely move, thus the heat is dissipated outwards through the heat dissipation port, an air bag is filled with the heat, thus the air bag blocks a hollowed-out frame on a circular plate, and the problem that the heat generated during working of the driving power supply and heat generated during working of lamp beads in the lampshade are converged is solved.
Owner:尤德逢

Fresh sediment sampler

InactiveCN101334342BScientific and reasonable samplingSolve collection problemsWithdrawing sample devicesEngineeringScrew thread
The invention provides a regenerate sediment sampler which comprises a lifting rod, cup brackets and a base, wherein, the bottom end of the lifting rod is connected on the base, the lifting rod is at least provided with one group of cup brackets, each group of the cup brackets is at least provided with one cup stand, and a mud-containing cup is placed on the cup stand. The lifting rod is formed by connecting subsection rods, two ends of which are provided with screw thread, through pipe joints, and the length can be adjusted and changed. The cup stands of each group of the cup brackets on thelifting rod are distributed in different vertical directions so as to avoid the interference of the cup stand on the upper layer to that of the lower layer in the collection process of the regeneratesediment as far as possible. In the sampling process, collecting personnel stand on the shore or the ship to operate, put the sampler into a sampling point vertically, and collect the new settled sediment in the mud-containing cup within the set sampling period. The sampler has simple structure and convenient use, and can realize scientific and reasonable regenerate sediment sampling, thus solving the problem that regenerate sediment sample collection can not be carried out ever since a long time ago.
Owner:SHANDONG JIANZHU UNIV

Power line carrier-based collection terminal and method

The invention discloses a power line carrier-based collection terminal, and relates to the field of instrument and equipment management. A collection module is used for collecting a current signal from a power line with a preset cycle, generating an enabling signal according to the circuit signal, and sending the same to a main control module. The main control module is used for when the enablingsignal is not received in the current cycle, controlling an AD sampling module to obtain a current value of target equipment, judging whether the current value exceeds a preset current value, if yes,controlling a metering module to measure electrical parameters of the target equipment, receiving a time stamp which is of a current moment and is sent by a timekeeping module, generating a data packet according to the electrical parameters and the time stamp, and controlling a storage module to store the data packet. The collection terminal provided by the invention improves utilization efficiency of the target equipment, can solve the problem that collection terminals cannot time and complete collection of instrument and equipment use information in environments of offline signals, and improves practicability.
Owner:BEIJING INST OF RADIO MEASUREMENT

High voltage alternating signal acquisition system

The present invention discloses a high voltage alternating signal acquisition system which is composed of a voltage division circuit, a high speed signal acquisition circuit, an isolating circuit, a data processing circuit of a single-chip microcomputer and a serial data bus. The data processing circuit of the single-chip microcomputer solves high-voltage variable frequency signals acquired by the high speed signal acquisition circuit through a data fitting algorithm and the weighted handling, and transmits the solved result to outer side through the serial data bus, thereby realizing the real-time acquisition and transmission of the high voltage variable frequency signals. Compared with the prior art, the high voltage alternating signal acquisition system realizes the real-time acquisition and transmission of the alternating signals with wide voltage and wide range, simplifies the product hardware design, improves the product reliability and has the advantages of high acquisition precision, strong environment adaptability, good anti-jamming capability, reasonable structure, high automation degree, stable performance and the like.
Owner:BEIJING LEIBOMAN TECH

Electrocardio monitoring device and use method thereof

The present invention provides an electrocardio monitoring device and a use method thereof. The device comprises an outer shell and a bottom plate, the bottom plate contacts with a body surface, and the outer shell is internally provided with an electrocardio measuring device, an image processor, a controller and a hair removing device; the image processor is used for acquiring a body surface image when the electrocardio monitoring device contacts with the body surface and also used for acquiring a ratio of an area of hair covered skin in the body surface image to an area of the body surface image; the controller is used for judging whether signal sampling sites meet sampling standards or not according to the ratio and a preset ratio; if the signal sampling sites do not meet sampling standards, the hair removing device cleans hair on the body surface; and the electrocardio measuring device is used for acquiring electrocardiosignals at the signal sampling sites. The electrocardio monitoring device solves a problem that a user cannot judge whether the hair on the body surface influences the acquisition of the electrocardiosignals, and improves stability of the acquired electrocardiosignals.
Owner:深圳旭宏医疗科技有限公司

Intelligent device for detecting sloping state of optical cable cross-connecting cabinet

The invention discloses an intelligent device for detecting a sloping state of an optical cable cross-connecting cabinet. The optical cable cross-connecting cabinet comprises an optical cable cross-connecting cabinet base. The intelligent device is located on the optical cable cross-connecting cabinet base. The intelligent device comprises a weight m, a permanent magnet A, a spring piece, a fixed point A, a fiber grating, a fixed point B, an optical fiber, a permanent magnet B and a weight M. The weight m is connected with the permanent magnet A, the spring piece adheres to the lower surface of the permanent magnet A, the optical fiber is fixed to the spring piece through the fixed point A and the fixed point B, the fiber grating is welded between two sections of optical cables, the permanent magnet B is arranged on the weight M, and the weight M is located on the optical cable cross-connecting cabinet base. According to the technical scheme, the intelligent device has the advantages of being passive, high in electromagnetic interference resistance and sensitivity, resistant to corrosion and long in service life, the safety, stability and reliability of the communication network operation are improved, and the fault risk is lowered.
Owner:宁波联河光子技术有限公司

Document display method, related device, equipment and storage medium

The invention discloses a document display method based on information service. The document display method can be applied to but not limited to the fields of maps, navigation, Internet of Vehicles, vehicle-road collaboration, instant messaging and the like. The application scenarios of the method at least comprise various terminals, such as mobile phones, computers, vehicle-mounted terminals and the like. The method comprises the following steps: receiving a real object image sent by projection equipment, wherein the real object image is obtained after the projection equipment shoots a real object material through an image acquisition device; performing OCR-based text recognition on the real object image to obtain a text recognition result; generating a target document according to the text recognition result, wherein the target document is an editable document; and displaying the target document. The invention further provides a device, equipment and a storage medium. According to the method, OCR recognition is performed on the object image fed back by the projection equipment, and the target document which can be edited by the user is generated based on the recognition result, so that the operation flexibility is improved.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Fault location system and method for small current grounding system based on zero-sequence transient analysis

The invention discloses a zero-sequence-transient-analysis-based fault positioning system and method for a low current grounding system. The system comprises double-coil circuit fault indicators, a data concentrator and a backstage management platform. The double-coil circuit fault indicators are connected with the data concentrator by ZigBee communication links; and the data concentrator is connected with the backstage management platform by a communication network. One double-coil circuit fault indicator is arranged on each phase of line; and clocks of the double-coil circuit fault indicators on three-phase lines at the same monitoring point are synchronized. In addition, the method includes: the data concentrator and the double-coil circuit fault indicators carry out data hand-shaking communication; clock synchronization processing of the data concentrator and the double-coil circuit fault indicators is carried out; and zero sequence current synthesis and zero sequence transient waveform recording of all branch nodes of a distribution network are completed by using a clock synchronization technology, a micro power consumption wireless communication technology, and a zero sequence transient analysis technology and the data are sent to the backstage management platform to carry out fault point analyses and determination.
Owner:四川瑞霆智汇科技有限公司

Optical fingerprint acquisition device for preventing interference of covering

The invention discloses an optical fingerprint acquisition device for preventing interference of covering, and relates to the field of optical fingerprint acquisition, the optical fingerprint acquisition device comprises a main body shell, one side of the main body shell is provided with an inclined plane shell, the end face of the inclined plane shell is provided with a frame, the frame is internally provided with glass, and the bottom end of the interior of the inclined plane shell is provided with a light emitting diode; a charge coupler is installed on the inner wall of the inclined face shell, a single chip microcomputer is installed on the end face of the main body shell, a clamping groove is formed between the main body shell and the inclined face shell, the clamping groove is in an L shape, and outer edge shells are obliquely arranged on the two sides of the inclined face shell. According to the device, through arrangement of a pulling plate, bristles can be pushed to move to the outer side of a protective film, cleaning liquid obtained after cleaning can be collected, waste cleaning liquid is prevented from flowing randomly, unnecessary damage to the device is avoided, operation of a pushing motor is controlled through extrusion of fingers on glass, and the cleaning efficiency is improved.
Owner:深圳市光千合新材料科技有限公司

Acquisition terminal and method based on power carrier

The invention discloses a power carrier-based acquisition terminal, which relates to the field of instrument equipment management. The acquisition module is used to collect the current signal from the power line every preset cycle, generate an enable signal according to the circuit signal, and send it to the main control module; the main control module is used to control the AD in the current cycle when the enable signal is not received. The sampling module acquires the current value of the target device, and judges whether the current value exceeds the preset current value. If it exceeds, the metering module is controlled to measure the electrical parameters of the target device, and receives the timestamp of the current moment sent by the time keeping module. According to the electrical parameters and time Stamp generates a data packet, and controls the storage module to store the data packet. The collection terminal provided by the present invention improves the utilization efficiency of the target equipment, can solve the problem that the collection terminal cannot time the time in an offline signal environment, and completes the collection of instrument and equipment usage information, and improves the practicability.
Owner:BEIJING INST OF RADIO MEASUREMENT
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