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33results about How to "Alarm speed is fast" patented technology
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Intelligent alarming method, device, equipment and storage medium
InactiveCN109697827AIncrease success rateAlarm speed is fastAlarmsSpeech recognitionUser inputSpeech sound
The embodiment of the invention discloses an intelligent alarming method, device, equipment and a storage medium. The method comprises steps: the real-time voice information inputted by a user is acquired; the real-time voice information is subjected to voice recognition, and whether preset alarming triggering information is contained in a voice recognition result is judged; and when the preset alarming triggering information is contained in the voice recognition result, alarming prompting information is sent to a designated contact. In the embodiment of the invention, the real-time voice information inputted by the user can be automatically acquired, and manual input operation by the user is not needed; and the acquired real-time voice information can be recognized automatically, whetherthe preset alarming triggering information is contained in the recognition result is judged, corresponding emergency processing is further carried out according to the contained alarming triggering information, and the user does not need to perform any manual alarming operation.
Owner:MOBVOI INFORMATION TECH CO LTD
Video smoke event detection method based on bionic color sensing model
ActiveCN105528581AMove with easeDesaturationCharacter and pattern recognitionComputer visionSpecific time
The present invention provides a video smoke event intelligent detection method based on a bionic color sensing model. According to the method, a user selects a source video and uses a video smoke event intelligent detection method based on a bionic color sensing model to carry out smoke detection on the video, the alarming is carried out when smoke is detected and the frame of picture of the video is stored into a specified path, at the same time the specific time point of detecting the smoke is recorded in the video, and the recording information is stored in a text file format after the detection is completed. The method is different from a traditional sensor fire alarming method and is not limited by space height, thermal barrier, explosion, toxicity and other environmental conditions, the timely alarming can be carried out in a short time that the smoke appears in the video, and the method is suitable for multiple outdoor video scenes of forests, fields and the like.
Owner:SOUTH CHINA UNIV OF TECH
Alarm method and system for gateway equipment
InactiveCN101374078ALow system overhead and communication delayAlarm speed is fastNetwork connectionsProtocol overheadBinary encoding
The invention relates to a gateway equipment alarm method. The method comprises the following steps: when the gateway equipment monitors an alarm state, an SNMP agency set in the gateway equipment transmits a non-request message containing the alarm state to a simple network management protocol (SNMP) management station in a gateway management system according to the user datagram protocol; and the gateway management system executes the remote diagnosis and failure handling of the gateway equipment according to the non-request message. The invention also relates to a gateway equipment alarm system. The gateway management system based on the TR069 protocol achieves the effect of gateway equipment alarm by adopting the non-request message function in the SNMP protocol, and has the advantages that both the system overhead and the communication delay are reduced, the alarm speed is fast, the resource waste is reduced, the non-alarm communication overhead is reduced, the non-request message data packet works based on the binary encoding with less length and low protocol overhead, and the long-distance failure handling is completed based on the state detection capability and the remote diagnosis capability of the TR069 protocol.
Owner:CHINA TELECOM CORP LTD
Fire hazard early warning method based on video image
InactiveCN106952438AAlarm speed is fastAlarm is accurateCharacter and pattern recognitionFire alarmsVideo imageEigenvalue computation
The invention discloses a fire hazard early warning method based on a video image. The method comprises the following steps of step 1, collecting video images to obtain video frames; step 2, selecting 1000 flame samples, 1000 smoke samples and 4000 non-smoke non-fire negative samples in the video frames for generating pre-test values; step 3, generating detection frames by selecting one of the video frames at every 10 frames; step 4, calculating the flame of each pixel point in the detection frames to generate a flame characteristic value; and step 5, calculating the smoke of each pixel point in the detection frames to generate a smoke characteristic value; and step 6, selecting 10 flame characteristic values to calculate 55 flame determination dimensions, and at the same time, selecting 10 smoke characteristic values to calculate 55 smoke determination dimensions and other steps. The method timely monitor the video image and accurately and rapidly determine the fire hazard condition, so as to effectively guarantee the personal and property safety.
Owner:天津安平易视智能影像科技有限公司
Intelligent 110 alarm calling plate
The invention belongs to the field of safety technology, and specifically provides an intelligent 110 alarm card, including a shell, a battery, a 4G wireless communication module, a GPS positioning module, a processor, a memory, an indicator light, a charging interface, and a quick alarm button, wherein the shell The body is in the shape of a cuboid. The 4G wireless communication module, GPS positioning module, processor, and memory are all located inside the housing, and are integrated through electronic integration technology. The battery is also located inside the housing, and is connected to the processor and the charging interface. connection, the indicator light and the quick alarm button are all located on the surface of the shell, and are also electrically connected to the processor. The intelligent 110 alarm card provided by the present invention can be used to alarm manually with one key in case of danger. At the same time, it can automatically send an alarm, and at the same time send and update the current location information in time. It has the advantages of fast alarm speed, convenient storage and carrying, and low energy consumption, which improves the efficiency of public security in eliminating violence for the people.
Owner:XIAN WANGQING BIOTECH CO LTD
Anti-misoperation system based on a two-dimensional code
InactiveCN109919269ARaise awareness of security vigilanceAvoid entering the high-voltage power distribution cabinet by mistakeCo-operative working arrangementsIndividual entry/exit registersData memoryHuman body
The invention discloses an anti-misoperation system based on a two-dimensional code, and the system comprises a two-dimensional code scanning device, a two-dimensional code generation server and a two-dimensional code display terminal; Wherein the two-dimensional code scanning device comprises a data processor, a human body proximity sensor, a two-dimensional code scanning lens, a data memory, a scanning device signal module and an electronic lock signal transmission module; Wherein the two-dimensional code scanning lens and the signal output end of the human body proximity sensor are in telecommunication connection with the signal input end of the data processor, and the signal output end of the data processor is electrically connected with the electronic lock signal transmission module;Wherein the signal output end of the electronic lock signal transmission module is electrically connected with the electronic lock, so that the problem that when a high-voltage power distribution cabinet in the prior art is used, due to the fact that the safety consciousness of staff is not strong or staff management goes wrong, a high-voltage power distribution cabinet is prone to mistakenly entering, and safety accidents are caused is solved.
Owner:大唐东营发电有限公司
Stepping staring type optical system for resonance lens compensation type area array CCD (charge coupled device)
InactiveCN104216090AAlarm speed is fastQuick detectionMountingsElectromagnetic wave reradiationCamera lensOptoelectronics
A stepping staring type optical system for a resonance lens compensation type area array CCD (charge coupled device) is used for the field of infrared photoelectric detection and tracking. A streaking phenomenon existing in an alarming detection process of the existing area array infrared CCD optoelectronic device is avoided. A front lens subassembly, a resonance lens subassembly and an infrared area array CCD subassembly are coaxially placed in the system from left to right, wherein the resonance lens subassembly comprises an angle measuring element, a resonance voice coil motor and a resonance lens; the angle measuring element, the resonance voice coil motor and the resonance lens are integrally assembled in a linear installation mode; the deflection angle of the resonance lens can be precisely outputted by the angle measuring element; the front lens subassembly consists of a plurality of lenses; the lenses are placed coaxially; the front lens subassembly has an optical path compression and collimation function; sceneries in a view field can be compressed into a range which can be received by a CCD target surface; and the resonance lens subassembly is arranged at a position between the front lens subassembly and the infrared area array CCD subassembly and is positioned at a narrowest position of a light beam in the optical system.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Overload alarm system for electric power voltage detection
InactiveCN105336127AAlarm speed is fastReasonable designCurrent/voltage measurementElectrical testingFire hazardControl principle
The invention discloses an overload alarm system for electric power voltage detection. The overload alarm system comprises a PCL control system, an information collecting and processing device, a fault electric arc collecting device and a protocol conversion module in two-way connection with the PCL control system. The protocol conversion module is in two-way connection with an electric power fire hazard monitoring device. Based on a protocol control principle, the protocol module and the electric power fire hazard monitoring device are arranged and can further collect electric leakage, currents, voltage and other electric power parameters on site as well as short-circuiting, overloading, overvoltage, undervoltage, a phase failure and other fault information on site, the electric power parameters and the fault information are converted into corresponding data formats through the protocol conversion module and transmitted to a remote monitoring terminal through the PCL control system, the remote monitoring terminal performs reading, protecting, monitoring and analyzing according reflected data, and alarm, setting and control information is transmitted to the electric power fire hazard monitoring device through the PCL control system. The overload alarm system is reasonable in design and can prevent and process electric power voltage overload.
Owner:张钦
All-weather monitoring system for forest fire prevention
InactiveCN103247139AFire fastAlarm speed is fastRadiation thermographyFire alarm radiation actuationDisplay deviceRadiation temperature
The invention discloses an all-weather monitoring system for forest fire prevention. The all-weather monitoring system comprises a monitoring center and at least one terminal, wherein the terminal comprises an infrared video camera and a wireless data transmission module A; the output of the infrared video camera is connected to the wireless data transmission module A through an encoder; the wireless data transmission module A is wirelessly connected to the monitoring center; the monitoring center comprises a central processing unit, a wireless data transmission module B and a display; and the display is connected to the central processing unit through a decoder. The all-weather monitoring system has the beneficial effects that when sensing that the radiation temperature is higher than the set value, the infrared video camera alarms; and the all-weather monitoring system discovers fire quickly and is high in alarm speed.
Owner:JING LIN CHENGDU SCI & TECH
BIM-based intelligent building system and management method thereof
PendingCN111402346AReduce false alarm rateLow costImage enhancementData processing applicationsAir quality monitoringImage acquisition
The invention belongs to the technical field of property management. The invention discloses a BIM-based intelligent building system and a management method thereof. The BIM-based intelligent buildingsystem comprises a building image acquisition module, a building air quality monitoring module, a building smoke monitoring module, a building temperature and humidity monitoring module, a building power consumption monitoring module, a display module, a central control module, a wireless signal transmission module, a cloud server, a data storage module, a data analysis module, a building deviceexecution module and a resident reminding module. By arranging the corresponding function modules, related data of the whole building can be detected, related devices in the building are controlled, the safety of the whole building is effectively guaranteed, and timeliness of problem solving is achieved; and meanwhile, the temperature and humidity of the whole building can be automatically controlled, the burden of workers is reduced, and the working efficiency is improved.
Owner:辽宁百思特达半导体科技有限公司
Adaptive alarming threshold method based on CUSUM (Cumulative Sum), and application in SCADA (Supervisory Control And Data Acquisition)
ActiveCN107562982AImprove real-time performanceReduce false alarm rateSpecial data processing applicationsControl systemSCADA
The invention belongs to the technical field of a data collection and monitoring control system, and discloses an adaptive alarming threshold method based on CUSUM (Cumulative Sum), and application inSCADA (Supervisory Control And Data Acquisition). The method comprises the following steps that: reading a detection sequence under a normal state, and obtaining the normal distribution expression ofa sequence when a preset condition is met; reading a deviation constant, an update mean value and a standard deviation, and calculating a normal distribution expression; according to a function underthe normal operation state of a system and a function under the abnormal state of the system, solving an optimal value as a threshold value for next detection; starting next-round detection; and ending an algorithm. Compared with a situation that a fixed detection threshold value is set by experience at present, the method disclosed by the invention converts problems into a mathematical model forsolving an optimal value on the basis of a Bayesian theory and a dichotomy optimization algorithm, the obtained detection threshold value is taken as the alarming threshold, alarming instantaneity can be improved, and the system has a low false alarm rate and a rate of missing report.
Owner:XIDIAN UNIV
Charging protection device and method in defibrillation system
ActiveCN104548355AEffective protectionAvoid Delays in RescueBatteries circuit arrangementsHeart defibrillatorsEngineeringVoltage
The invention provides a charging protection device and method in a defibrillation system. The charging protection device comprises a charging circuit, a charging power supply control unit and a first processor. Dual judgment is conducted through the first processor, wherein firstly, by judging whether the obtained charging voltage is valid or not, line faults are eliminated, and the obtained voltage is the dead voltage; after the obtained charging voltage is judged to be valid, whether the obtained charging voltage meets the preset relation curve of the charging voltage and time or not is judged, charging is determined to be abnormal if the obtained charging voltage is judged not to meet the relation curve of the charging voltage and time, the first processor sends a stop signal to the charging power supply control unit, and the charging power supply control unit controls the charging circuit to stop conducing charging. By means of the dual judgment conducted through the first processor, the real-time and precise control over the charging process of defibrillation is achieved, and when charging circuit faults or abnormal charging happens, the abnormal charging can be found in real time.
Owner:SHENZHEN COMEN MEDICAL INSTR
Burglar alarm specially for security engineering
InactiveCN110264652AImprove securityEasy to storeBurglar alarm mechanical actuationElectric transmission signalling systemsKey pressingRadar
The invention discloses a burglar alarm specially for security engineering, and relates to the field of security engineering. Thus, the problems in the prior art, that original burglar alarms can only emit alarm sound so that alarm functions are hard to achieve with no one around and common burglar alarms are easy to sabotage and poor in security effect, can be solved. An alarm shell is installed on the front end faces of alarm frames; induction radars are installed on the two sides of each alarm frames; a micro camera is installed at the upper part on the front end face of the alarm shell; a pick-up head is installed in front of the micro camera; the lower part of the pick-up head is provided with a display screen; one sides of the alarm frames are provided with a wire pipeline; steel rings are installed at the external of the wire pipeline; a loudspeaker is arranged under number buttons; the lower part of the loudspeaker is provided with LED signal lamps; springs are installed at the externals of connection shafts; and sensor modules are installed on the inner surfaces of the alarm frames.
Owner:SUZHOU MAICHUANG INFORMATION TECH
Method and system for rapidly detecting residual current of intelligent electric meter
PendingCN113325358AAlarm speed is fastHigh precisionCurrent measurements onlyInformation technology support systemSorting algorithmAlgorithm
The invention discloses an intelligent electric meter residual current rapid detection method and system. The method is characterized in that the method comprises steps of obtaining a 1 / 4 waveform current instantaneous value through sampling; and a residual current effective value IE being obtained through a rapid waveform sorting algorithm. The rapid waveform sorting method comprises steps of sorting a current instantaneous value of a 1 / 4 waveform into a whole-cycle waveform and then calculating an effective value Ie through an effective value algorithm; a step of obtaining the residual current effective value IE further comprises a step of performing temperature compensation on the Ie and then outputting the Ie; an effective value being calculated based on a 1 / 4 waveform, and the residual current alarm speed being improved; through a symmetric algorithm, extreme value judgment and an effective value algorithm, accuracy of residual current detection being improved. The method is advantaged in that the temperature compensation current is calculated for environment temperature detection and is compensated to the residual current effective value, so temperature adaptability is improved, and alarm accuracy is further improved.
Owner:CHINA SOUTHERN POWER GRID DIGITAL GRID RES INST CO LTD +1
Method for judging simultaneous air shortage of four wheels of vehicle
ActiveCN113459733ASave moneyAlarm speed is fastInternal combustion piston enginesTyre measurementsWheel speed sensorIn vehicle
The invention discloses a method for judging simultaneous air shortage of four wheels of a vehicle, which is characterized by comprising the following steps of: S1, acquiring a real-time speed signal of the vehicle through a vehicle-mounted GPS sensor, and filtering to obtain a real-time GPS speed Vgps; s2, obtaining a real-time wheel speed signal through a vehicle-mounted ABS wheel speed sensor and filtered, and obtaining the real-time left front wheel speed V1, the real-time right front wheel speed V2, the real-time left rear wheel speed V3 and the real-time right rear wheel speed V4; S3, according to the GPS speed and the speed of the four wheels when the four wheels of the vehicle are normal, obtaining a preset condition for judging whether the four wheels are in abnormal working conditions at the same time through self-learning; and S4, judging whether the four wheels are in a preset condition of abnormal working conditions at the same time. The invention provides a method for judging simultaneous air shortage of four wheels of a vehicle, which can judge whether the pressure of two front wheels is normal or not by comparing the speed of a GPS sensor with the speed of an ABS wheel speed sensor, and can judge whether the pressure of four tires is normal if the wheel speed difference between the front wheels and the rear wheels is within a certain range.
Owner:常州禄安汽车科技有限公司
Mobile phone clapping alarm help seeking apparatus
InactiveCN105577900AIn line with daily operating habitsAlarm speed is fastSubstation equipmentEngineeringTransmitter
A mobile phone clapping alarm help seeking apparatus comprises a mobile phone. A clapping inductor is arranged in the mobile phone. The clapping inductor is connected to a logic determination apparatus. The logic determination apparatus is connected to an alarm transmitter. The alarm transmitter is connected to an alarm preset module. An information sending object and an information sending content during alarm giving or help seeking are preset. The clapping mobile phone and the clapping inductor capture a clapping operation and send one clapping signal to the logic determination apparatus. If the alarm is given out, the alarm transmitter acquires a current mobile phone position through a mobile phone GPS function and sends a preset alarm short message content to an assigned receiver according to setting of the alarm preset module and a GPS coordinate. The apparatus possesses characteristics that operation is convenient and simple and the alarm is timely.
Owner:XIAN INTEVIEW INFORMATION & TECH
Body-surface-electrocardiogram processing system for predicting occurrence of arrhythmia risk of repolarization individuals
InactiveCN109350022ASupport self-health managementReduce complexityDiagnostic recording/measuringSensorsCvd riskWorkload
The invention belongs to the technical field of electrocardiogram processing, and discloses a body-surface-electrocardiogram processing system for predicting occurrence of arrhythmia risk of repolarization individuals. The body-surface-electrocardiogram processing system for predicting occurrence of the arrhythmia risk of the repolarization individuals comprises an electrocardiogram data collecting module, a parameter configuration module, an operation inputting module, a central control module, a heart rate identifying module, a data analysis module, an alarming module, a printing module anda displaying module. According to the body-surface-electrocardiogram processing system for predicting occurrence of the arrhythmia risk of the repolarization individuals, self-health management of a user can be better supported through the heart rate identifying module, the calculated amount of the identifying process of a method is small, the complexity of the algorithm is low, and the efficiencyis high; meanwhile, through the data analysis module, electrocardiogram waveforms with the unstable quality can be accurately subjected to secondary analysis through the data analysis module, the analysis accuracy can be improved at different periods of time, workloads of operators are reduced, and the working efficiency of the operators is improved.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
Flame detection device based on multiple sensors
PendingCN113160513AAlarm speed is fastReduce false alarm rateCharacter and pattern recognitionFire alarm electric actuationPhysicsWavelength band
The invention discloses a flame detection device based on multiple sensors, and belongs to the field of flame detection. In the device, a multi-band infrared detection device detects infrared radiation data of different bands in a target area through a plurality of infrared sensors and sends the infrared radiation data to a first signal processing device in real time so as to judge whether flames exist in the target area or not, and a corresponding first flame detection signal is output; the infrared thermal imaging image acquisition device acquires an infrared thermal imaging image of the target area and sends the infrared thermal imaging image to the second signal processing device in real time so as to analyze whether an area conforming to flame characteristics exists in the infrared thermal imaging image or not, and outputs a corresponding second flame detection signal; the alarm output device can output a final flame detection signal after fusing the two judgment signals according to a preset alarm mode. Multiband flame detection and infrared thermal imaging image type flame detection are combined, and advantage complementation of the two modes is truly achieved.
Owner:杭州舜程科技有限公司
Intelligent alarming device for fire
InactiveCN107784774AAlarm speed is fastZero false positive rateTransmission systemsPower network operation systems integrationLoudspeakerGps positioning
The invention discloses an intelligent alarming device for fire, which comprises a protective shell, an intelligent controller, a display screen and a loudspeaker, wherein the intelligent controller is arranged inside the protective shell; parameter keys are arranged above the intelligent controller; a standby battery tank is arranged above the parameter keys; a power socket is arranged above thestandby battery tank; a wireless signal receiving rod is arranged above the power socket; a GPS positioner is arranged beside the wireless signal receiving rod; a display screen is arranged below theGPS positioner; a switch button is arranged beside the display screen; an SM card slot is arranged below the switch button; the loudspeaker is arranged below the SM card slot; a discharge fan is arranged beside the loudspeaker; and an automatic uploading device is arranged beside the discharge fan. The intelligent alarming device for fire has the beneficial effects that the alarming speed is greatly improved, the error reporting rate is zero, dual alarming is realized, the setting is simple, and the device is safe and reliable.
Owner:CHONGQING CHENGJI FIRE SAFETY TECH CO LTD
Alarm method, device, equipment and storage medium
ActiveCN110572768AAlarm speed is fastThe alarm method is simpleAlarmsLocation information based serviceReal-time computing
The invention discloses an alarm method, a device, equipment and a storage medium. The method comprises the following steps: receiving an alarm request sent by a client in response to wake-up operation; acquiring first position information of a delivery person and second position information of a user; and if the distance difference value between the first position information and the second position information is smaller than a first threshold value, giving an alarm to an alarm end. According to the method, the alarm function of the corresponding client is enabled based on the relative position relationship between the delivery personnel and the user, and the corresponding alarm scheme is provided for the user according to the actual situation, so that the user can simply, conveniently and quickly give an alarm.
Owner:天津五八到家科技有限公司
Charge protection device and method in defibrillation system
ActiveCN104548355BEffective protectionAvoid Delays in RescueBatteries circuit arrangementsHeart defibrillatorsEngineeringProtection system
Owner:SHENZHEN COMEN MEDICAL INSTR
A mobile tunnel construction spray dust suppression device
ActiveCN107829773BIncrease coefficient of frictionAlarm speed is fastMining devicesDust removalWater storage tankPulley
The invention discloses a movable spraying and dust suppression device for tunnel construction. Turntable, water pipe, U-shaped support frame, metal mesh, motor, belt, bracket, water supply pulley, water pump, first water pipe, water pipe interface, second water pipe, water level alarm device, nozzle, water storage tank, fan , universal wheels are installed on both ends of the bottom of one side of the body, and a movable spray dust suppression device for tunnel construction of the present invention is provided with a water level alarm device, which has high water level and low water level alarm functions, and can be used when the water level is high. Warn the operator to stop filling the water tank, and remind the operator to fill the water tank in time when the water level is low, so as to avoid equipment damage and prolong the service life of the equipment.
Owner:枣庄旗胜建设集团有限公司
Remote vehicle detection and alarming device
ActiveCN102129758BPositioning data is accurateRealize real-time remote electrical and electronic fault alarmAnti-theft devicesAlarmsComputer moduleVehicle detection
Owner:哈尔滨海铭科技有限公司
Alarm method, device, equipment and storage medium
ActiveCN110572768BAlarm speed is fastThe alarm method is simpleAlarmsLocation information based serviceEmbedded systemReal-time computing
The invention discloses an alarm method, device, equipment and storage medium. The method includes receiving an alarm request sent by the client in response to the wake-up operation; obtaining the first location information of the delivery personnel and the second location information of the user; if the distance difference between the first location information and the second location information is less than the first Threshold, then send an alarm to the alarm terminal. Through the above technical solution, the alarm function of the corresponding client is enabled based on the relative position relationship between the delivery personnel and the user, and a corresponding alarm solution is provided for the user according to the actual situation, so that the user can easily and quickly alarm.
Owner:天津五八到家科技有限公司
Intelligent Detection Method of Video Smoke Events Based on Bionic Color Sensing Model
ActiveCN105528581BTimely and accurate alertImprove applicabilityCharacter and pattern recognitionComputer visionSpecific time
The present invention provides a video smoke event intelligent detection method based on a bionic color sensing model. In the method, a user selects a source video, and uses a video smoke event intelligent detection method based on a bionic color sensing model to detect smoke on the video. When smoke is detected Make an alarm, save the frame of the video to the specified path, and record that smoke was detected at a specific time point in the video, and the recorded information will be saved in the form of a txt file after the detection is completed. The present invention is different from the traditional sensor fire alarm method, and is not restricted by environmental conditions such as space height, heat barrier, explosive, poisonous, etc., and can alarm in a short time when smoke appears in the video, and can be applied to forests, fields, etc. Various outdoor video scenes.
Owner:SOUTH CHINA UNIV OF TECH
Operation management system of transformer substation and wireless data transmission system and method thereof
InactiveCN111028474AFast transmissionAlarm speed is fastSpatial transmit diversityAlarmsEmbedded systemManagement system
The invention discloses a wireless data transmission system. According to the embodiment of the invention, the data in an operation management system of a transformer substation can be sent and received through an antenna array with multiple channels. Therefore, the amount of data sent in a single clock is remarkably increased, and compared with a common single-channel antenna, the data transmission speed is remarkably increased, the alarm speed when a worker enters a dangerous area by mistake can be increased, and the safety of the worker in the transformer substation is improved. The invention further discloses a wireless data transmission method and a transformer substation operation management system comprising the wireless data transmission system. The wireless data transmission method and the transformer substation operation management system have the same beneficial effects as the wireless data transmission system.
Owner:国网山西省电力公司超高压变电分公司
Gas leakage monitoring system
PendingCN111220569AHigh sensitivityAvoid the effect of the size of the leakageColor/spectral properties measurementsPhotoelectric conversionErbium lasers
The invention, which belongs to the field of gas leakage monitoring, discloses a gas leakage monitoring system comprising a laser, an optical fiber sensor assembly and a photoelectric conversion module which are connected in sequence, an electric signal acquisition module, an electric signal processing module and an alarm signal output module that are connected in sequence. The electric signal acquisition module is connected with the photoelectric conversion module, and the electric signal processing module is connected with the laser; the laser is used for emitting laser to an optical fiber sensor; the optical fiber sensor is used for enabling the laser to generate a first interference light wave signal and enabling the laser to generate a second interference light wave signal by utilizing ultrasonic waves generated by gas leakage; the photoelectric conversion module is used for converting the first interference light wave signal and the second interference light wave signal into a first electric signal and a second electric signal which are transmitted to the electric signal processing module through the electric signal acquisition module; and the electric signal processing module is used for judging whether gas leakage occurs in the to-be-monitored area and outputting a judgment result through the alarm signal output module.
Owner:BC P INC CHINA NAT PETROLEUM CORP +2
AC live induction device
ActiveCN105823922BImprove applicabilityEasy to carryAltering measuring range circuitsIndicating presence of current/voltageElectricitySignal processing circuits
The invention relates to an AC charged induction device, which comprises a power circuit, a signal receiving circuit, a gear control circuit, a signal processing circuit, an MCU control circuit, an alarming circuit and an MCU input circuit, wherein the MCU control circuit outputs a gear control signal to the gear control circuit for gear selection; the gear control circuit is electrically connected with the signal receiving circuit for controlling a sampling resistor accessed to the signal processing circuit; the signal receiving circuit detects electric signals, and the detected electric signals are transmitted to the signal processing circuit; the signal processing circuit receives the electric signals detected by the signal receiving circuit, the electric signals are amplified and filtered and then transmitted to the MCU input circuit, conduction of a triode is controlled, signals are outputted to the MCU control circuit, the MCU control circuit is used for receiving signals of the MCU input circuit, analyzing the voltage grade of the detected electric signals and controlling the alarming circuit to give an alarm. While whether the device is charged is detected, the voltage grade of the device can be detected.
Owner:STATE GRID CORP OF CHINA +1
A power transformer operation state alarm device
InactiveCN106023539BSimple structureLow costBurglar alarm mechanical actuationElectricityTransformer
The invention relates to a power transformer running state alarm device. The device comprises a micro processor, wherein the micro processor is electrically connected with a wireless vibration detector, a wireless coding reception circuit, a current and open-phase detection circuit, a voltage / open-phase / power off / power failure detection circuit, a monitoring circuit, an onsite alarm circuit, a decoding circuit and a GSM alarm circuit separately. According to the device, the advanced GSM module technology is utilized, during running of a power transformer, the running state information can be emitted and can be telemetered by utilizing a GSM network, an alarm short message signal can be emitted when the power transformer generates change that current and voltage deviate from rated values or when accidents such as phase opening and power off occur, the alarm signal is telemetered by utilizing the GSM network, especially when the power transformer vibrates because of natural mechanical damage, artificial mechanical damage and burglary accidents, the alarm short message signal can be emitted, and the emitted alarm short message signal can be telemetered by utilizing the GSM network.
Owner:STATE GRID SHANDONG ELECTRIC POWER CO SHOUGUANG POWER SUPPLY CO +2
Method for discovering intranet attacker based on windows login information
InactiveCN111859376AAchieve a lightweight effectEasy to handlePlatform integrity maintainanceOperational systemEngineering
The invention provides a method for discovering an intranet attacker based on windows login information, which comprises the following steps that: in an enterprise intranet, each server is provided with a windows operating system, an agent server is set, and an agent client program is installed in each server in a protection range; the agent server is responsible for maintaining a login information white list and respectively issuing the login information white list to agent client programs in servers in each protection range; the agent client program in each server within the protection rangeis responsible for detecting login information of the agent client program, if the login information is not in the white list and is judged to be an attacker, login is refused, and alarm informationis pushed to the agent server at the first time. According to the method, an attacker is found by maintaining a login information white list, massive log analysis is not needed, and the method is simple, high in efficiency and good in safety.
Owner:广州锦行网络科技有限公司
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