107results about How to "Found in time" patented technology

The invention relates to a big data access control management system and method. The system comprises a display screen, near infrared acquisition equipment, a master controller and an alarm unit; thedisplay screen is used for displaying images of an acquisition area; the near infrared acquisition equipment is used for acquiring panoramic video streams corresponding to the images of the acquisition area and sending the same the master controller and a big database; the master controller is used for acquiring two-dimensional images of all faces in the video streams, subjecting the two-dimensional images of the faces and image data in an image data set corresponding to the only coding of the master controller in the big database, if matched successfully, releasing an access control, or otherwise, sending relevant information to the alarm unit on the basis of face eigenvalues that fail to be matched; the alarm unit is used for matching the corresponding two-dimensional images and blacklist image data in the big database on the basis of the face eigenvalues that fail to be matched, and sending alarm information to an alarm system if necessary. By the arrangement, access control effectiveness is greatly improved, and meanwhile, a public security system is helped catch criminals or wanted criminals in time.

The invention provides an intelligent operating system, which comprises an input device, an input method module, a word stock, a local function object database, a non-local function object database, a selection module and a matching module, wherein the input device is used for inputting instructions, and the input method module is used for matching the input instructions with character objects in the word stock and outputting the matched candidate character objects for being selected by users; the word stock is used for storing character objects, and the local function object database is used for storing local function objects; the non-local function object database is used for storing network function objects, and the selection module is used for selecting target character objects to input from the candidate character objects output by the input method module according to the instructions input by the users; the matching module is used for searching the local function objects matched with the candidate character objects from the local function object database to be selected and called by the users when the input method module carries out the matching and outputs the candidate character objects, and searching the network function objects matched with the target character objects from the non-local function object database to be selected and called by the users when the selection module selects the target character objects to input. The invention facilitates users to quickly and timely find the target function objects.

The invention belongs to the technical field of the Internet and discloses a time sensitive network analysis system and method based on a redundancy mechanism. A redundancy module, a forwarding moduleand an analysis device form a whole analysis system. Through utilization of the redundancy module, input time sensitivity data is identified, copied and recovered; through utilization of the forwarding module, transmission is selected, thereby realizing redundancy of audio / video business streams; and through addition of the analysis device, a high efficient analysis method is provided for a failure node and link existing in a network. The failure node or link in the network can be effectively identified, the harm brought to the network by the failure link can be avoided, a reliable transmission mode is provided for a future streaming media audio / video network, and the network reliability and transmission service quality of a time sensitive network are greatly improved.

The invention relates to a small-current grounding fault positioning method employing a transient zero sequence current, and the method is especially used for a system of an instation no-selection-line device. The method comprises the steps: selecting at least three lines with the bigger transient zero sequence current through employing the transient zero sequence current amplitudes of all detection points at an outlet of a bus; determining that a jump point is a fault point through employing the characteristics that the monotone decreasing of amplitudes of the transient zero sequence currents of healthy lines and the monotone increasing of the amplitudes of the transient zero sequence currents of fault lines at first and then the monotone decreasing of the amplitudes of the transient zero sequence currents of fault lines, and determining that fault segment is a segment where the jump point is located. The method irons out the defects of the instation no-selection-line device, just employs the transient current signals, is wide in application range, is simple, and is easy to implement.

The invention discloses a heart rate monitoring wearable device and a monitoring method based on the photoelectric volumetric method. The invention is based on the photoelectric volumetric method to monitor the heart rate of the elderly in real time. The heart rate measurement module uses a heart rate sensor and embeds the heart rate sensor in a wearable watch middle. The main control chip is C8051F340, which is used to control the work of the sensor as well as signal processing and calculation. In order to make the measurement more accurate, there are two heart rate sensors on each wearable device, which measure the heart rate at the ulnar artery and the radial artery respectively. During the measurement process, due to the intentional or unintentional movement of the elderly, motion artifacts will be generated, which will affect the calculation results. Therefore, the output PPG signal needs to be processed (removing motion artifacts) after being amplified and input to the main control chip after analog-to-digital conversion. Perform heart rate calculations. The present invention uses a compressed sensing algorithm to filter the noise of the PPG signal, and since both the signal and the noise are unknown, the gradient projection algorithm is used to recover the signal, and finally the PPG signal is reconstructed.

The invention discloses a novel positioning device for fuel gas leakage in the field of security detection devices. The novel positioning device comprises a fuel gas concentration detection unit, wherein the fuel gas concentration detection unit comprises a plurality of methane sensors; a signal output end of the fuel gas concentration detection unit is connected with a signal input end of a microprocessor; and a signal output end of the microprocessor is connected with a sound-light alarm circuit and a data display unit respectively. According to the novel positioning device for the fuel gas leakage, concentration of methane in the position of each sensor is measured, so that a fuel gas leakage position can be positioned accurately, a leakage point can be found in time, a fault can be eliminated, the safety performance is improved, and the device is applicable to detection of fuel gas leakage.

The invention discloses a video recommendation method and apparatus, a server and a computer readable storage medium, and belongs to the technical field of the internet. The method comprises the stepsof obtaining tags corresponding to to-be-recommended videos and weights corresponding to the tags; according to a preset trial delivery rule, performing trial delivery to the tags for the to-be-recommended videos, and obtaining clicking rates of a user to the to-be-recommended videos under the tags; according to the obtained clicking rates and a preset algorithm, obtaining feature scores corresponding to the tags; according to the weights corresponding to the tags and the feature scores, determining target tags; and recommending the to-be-recommended videos to the determined target tags. Compared with the prior art, the tags which the to-be-recommended videos belong to can be determined more accurately, so that a better recommendation effect is achieved and the user can timely find most interested contents.

The invention relates to the technical field of unmanned vending, in particular to an unmanned vending cabinet anti-theft method and system, and an unmanned vending cabinet with an anti-theft function. The unmanned vending cabinet anti-theft method comprises the steps that a change angle of a cabinet door is judged through a visual door opening and closing detection algorithm, the change angle ofthe cabinet door is compared with a preset angle to obtain a comparison result, and an opening or closing state of the cabinet door is judged based on the comparison result; a producing state of an unmanned vending cabinet order is detected; the opening or closing state of the cabinet door is combined with the producing state of the order to determine an operating state of the unmanned vending cabinet; when the operating state is abnormal, the unmanned vending cabinet sends an alarm message, and the visual door opening and closing detection algorithm determines the opening or closing state ofthe cabinet door, thus the method for judging the opening or closing state of the cabinet door is faster and more accurate, and the behavior of fraudulent locking is avoided; and the opening or closing state of the cabinet door is combined with the producing state of the order to determine an operating state of the unmanned vending cabinet, thus the real-time sales situation of the unmanned vending cabinet can be accurately determined, and theft of goods caused by human interference is avoided.

The invention discloses an interface interaction method. More than two icons are arranged on the interface, and central points of the icons are evenly distributed on the circumference of the same circle on the interface. The method includes acquiring screen sliding operation of a user, rotating the icons clockwise or anticlockwise on the circumference according to the sliding operation and linearly zooming the corresponding icons in real time according to the distance between the central point of each icon and the reference point when rotating the icons with any point except the circle center of the circle on the interface as the reference point. By means of the method, the icons on the interface are zoomed one by one during circle rotating, the icon information makes a distinction between the important and the lesser one, browsing is facilitated. An interface interaction device is further disclosed.

The invention discloses a multifunctional medical bracelet which comprises a bracelet body and wrist straps on the two sides of the bracelet body. An intelligent sensor unit and a storage battery are arranged in the body, the bracelet body comprises a shell, a touch screen is arranged on the upper surface of the shell, and connected with the intelligent sensor unit. The intelligent sensor unit comprises a health monitoring unit and a missing preventing unit. The health monitoring unit comprises a blood pressure testing module, an oxyhemoglobin saturation testing module, a pulse rate testing module, a step calculation testing module, a sweat analysis testing module, an electroencephalogram testing module and a body temperature testing module. The missing preventing unit comprises an overrange alarm module and a time feedback module, a rectangular groove is formed in the shell, an illumination lamp connected with the storage battery is arranged in the rectangular groove, all operations of the bracelet are carried out through the touch screen, relevant data of the body are monitored, and the multifunctional medical bracelet can be used as an illumination lamp under emergency circumstances.

The invention discloses a safety helmet wearing management system based on a BIM. The safety helmet wearing management system comprises a safety helmet, a pressure sensor, a first positioning chip, asecond positioning chip, an alarm device, an RFID reading receiver, a data storage of BIM integration, a BIM central processing unit and an operation terminal. The pressure sensor is placed on the inner side of a helmet brim of the safety helmet. The alarm device is installed outside a helmet shell of the safety helmet. The alarm device is connected with the pressure sensor through a data line. The first positioning chip and the second positioning chip are arranged on the safety helmet. The RFID reading receiver is connected with the data storage of the BIM integration and then connected withthe BIM central processing unit and the operation terminal through a network transmission device. The operation terminal is provided with a green light positioning indicator lamp and a red light positioning indicator light. It is comprehensively ensured that an on-site constructor correctly wear the safety helmet, the position of a worker is accurately positioned, it is avoided that the worker drops the safety helmet due to objective reasons, and the risks of a construction site are reduced to the minimum.

The embodiment of the invention discloses a communication method and system based on fire hydrant boxes. The system comprises a monitoring center and the plurality of fire hydrant boxes which are respectively provided with a position indication device, wherein each fire hydrant box is provided with a communication device having communication with the monitoring center. The communication method comprises the steps of using the fire hydrant boxes to acquire status information which needs to be acquired; pretreating the status information to obtain a status value; comparing the status value with an alarm value to obtain a response signal; and using the monitoring center to sent out a control command according to the response signal transmitted by the fire hydrant boxes. The position indication devices, sending devices, the communication devices and micro-processors are arranged in the traditional fire hydrant boxes, so that the indexes of water pressure, water temperature, environment temperature, flue gas and the like of the fire hydrant boxes can be monitored; the communication system is formed by the monitoring center and the plurality of fire hydrant boxes, so that the positions of the fire hydrant boxes can be accurately determined, the fire hydrant boxes are maintained to be in a normal and good condition, and the technical effects that the fire hydrant boxes are found in time in case of a fire and the fire danger is effectively eliminated can be achieved.

The invention provides a campus goods delivery trolley based on an automatic driving system. The campus goods delivery trolley comprises a trolley body, and the trolley body is driven by a motor to run; a goods box is arranged on the trolley body; the trolley body is further provided with a core processor module, and a password lock module, an input module, a GPS positioning module, a switch sensor, an obstacle detection module, a GSM module, a posture detection module, a camera, a 5G image transmission module, a remote signal transceiving module, a remote controller, a voice module, a power supply electric quantity detection module and a power supply module which are connected with the core processor module. The core processor is further connected with the motor, and the power supply module is connected with other electricity utilization modules on the trolley body. By arranging a plurality of types of obstacle detection modules and using a GPS, automatic navigation of the trolley isachieved, the trolley can avoid pedestrians and obstacles on a road, and by arranging the password lock module, a lock can be opened only by a goods owner by inputting a correct goods obtaining password.

The invention discloses a safety helmet with a monitoring function and a monitoring method thereof, which belong to the field of safety products. According to the safety helmet with a monitoring function provided by the invention, a power supply and a control chip are arranged between a helmet shell and a helmet liner, a drawing force transducer is arranged on a top belt, a signal transmitter is arranged on the helmet shell, and a first circuit switch arranged in the control chip and a second circuit switch arranged at the drawing force transducer are serially connected with the power supply and the signal transmitter to form a closed circuit. When a worker does not wear the safety helmet, corresponding information is transmitted to a monitoring terminal. According to the safety helmet with the monitoring function provided by the invention, whether the worker wears the safety helmet can be effectively monitored, advantages that the structure is simple, and each electronic device is reasonably laid can be achieved, the safety helmet with the monitoring function suits the engineering practice, and good user experience effects are achieved. Besides, the invention also provides a method of monitoring the safety helmet with the monitoring function, and the method has the advantages of simple operation and intelligent operation.

The invention provides an electric power station building environment monitoring system and method. The electric power station building environment monitoring system comprises a 5G edge computing gateway, an alarm system, an inspection system, a power distribution room monitoring main station and a plurality of environment monitoring systems. Power station building environment monitoring data areobtained through a plurality of environment monitoring systems, then a 5G edge computing gateway is used for computing and analyzing the data to obtain an edge computing result, the edge computing result is sent to a power distribution room monitoring master station, and if an abnormal value exists in the edge computing result, the 5G edge computing gateway sends an alarm signal to the alarm system and sends an inspection instruction to the inspection system, and the power distribution room monitoring master station sends a corresponding operation instruction to the mobile terminal according to the edge computing result. The system is comprehensive in monitoring and wide in coverage; the calculation efficiency is high, flow pressure can be relieved, and cost is saved; the area where abnormal data is generated can be timely and rapidly confirmed, the point location where the abnormal data is generated is further confirmed, and dangerous case elimination is accelerated.

The invention discloses a power distribution network fault positioning and boundary defining method based on a fault indicator. An aim of the invention is to provide the power distribution network fault positioning and boundary defining method based on the fault indicator. The method can be used for solving problems of difficult fault detecting, line selecting and positioning caused due to small fault currents and weak fault signals when small current single phase grounding faults occur in a system. The method comprises the following steps: transient zero sequence currents of all detection points on all lines at a bus exit opening are collected; when the faults occur in the lines, the transient zero sequence currents change abruptly; amplitudes of the transient zero sequence currents of all the detection points on all the lines are calculated, at least three lines with maximum amplitudes of the transient zero sequence currents are selected, and the small current grounding faults can bepositioned according to change of the amplitudes of the transient zero sequence currents of all the detection points on the lines selected in step D. The method is advantageous in that for lines without small current line selecting devices in a station, on-line fault monitoring can be realized, and fault positions can be found timely.

The invention discloses an intelligent security and protection system based on a sensor network and remote video monitoring. The intelligent security and protection system comprises a central controller and wireless sensor equipment. The internet access end of the central controller is electrically connected with the wireless sensor equipment. The output end of the central controller is connected with a remote monitoring subsystem through a USB interface. A moving object positioning subsystem is also connected on the bidirectional port of the central controller, and the COM port of the central controller is connected with an access control system through a control wire. The output end of the central controller is connected with a GSN module through a UART interface. The output end of a GSM module is connected with a mobile terminal through a network signal. The multimedia computer is used as the central controller, and the server side software is divided into four modules to be mutually corresponding to the subsystems. The user can be connected to the central server through the networking mode by any terminal to locally or remotely view and process real-time monitoring information.

The invention discloses a telephone automatic switching system and a switching method thereof. The telephone automatic switching system comprises a plurality of extension telephones, a stored program controlled telephone switcher, a telephone switching module and a personnel locating module. The system assigns a switching number and ringing sound to each person and assigns an extension telephone number to each extension telephone. The stored program controlled telephone switcher is used for interconnection of conversation between users. The personnel locating module is used for judging the positions of personnel. The telephone switching module is used for detecting a user calling switching number in the stored program controlled telephone switcher and then searching the positions of a person corresponding to the called switching number from the personnel locating module and switching the call to an extension telephone closest to the person through the stored program controlled telephone switcher, and meanwhile the ringing sound of the person is used, and the person near the extension telephone can judge the call for himself and answer the call according to the telephone ringing sound. According to the telephone automatic switching system, personnel wanted can be found at any time in any place quickly and timely.

The invention discloses a simple sea survival airship. The body structure of the simple sea survival airship is formed by an air sac and a pod, wherein the air sac is filled with helium to provide buoyancy, and the pod is suspended on the sea surface; the simple sea survival airship is provided with a wind surf, a rudder, an operation board, a medical box for providing emergency treatment articles, a wind-power and solar-energy dual power generation system, a seawater desalinating device, a storage cabinet for storing necessary food and tools and a foldable bed for providing a rest area, wherein the wind surf, the rudder and the operation board can adjust the direction of the airship, and the airship advances in the favorable direction through a positioning device; the wind-power and solar-energy dual power generation system is used for supplying power to an electric warmer and converting power energy into heat energy for supplying heat; the seawater desalinating device is used for filtering seawater into drinkable fresh water through a reverse osmosis membrane under driving of the power energy. The simple sea survival airship is simple in structure and convenient to operate, and can rapidly provide a safe place capable of eluding sea waves and sea biology infringements, capable of positioning and navigation, warming and capable of supplying food and medicine for persons in distress after sea perils occur, rescue waiting time is prolonged, and the survival rate of the persons in distress is increased.

The invention relates to a regular bus management system, particularly relates to an enterprise regular bus management system. The system includes a controller, and the controller is connected with apersonal information input module used for inputting the personal information of staff, is connected with a station selection module for selecting riding stations by employees, is connected with a station statistics module used for carrying out planning statistics on riding stations according to the result of the station selection module, is connected with a route planning module used for planningregular bus routes according to the result of the station statistics module, and is connected with a route optimization module used for optimizing the regular bus routes. According to the technical scheme provided by the invention, the defects of unreasonable resource allocation, incapability of formulating regular bus routes fitting employees and incapability of better managing the regular busesaccording to the feedback information in the prior art can be effectively overcome.

The invention discloses a fault location method based on zero-sequence current, and aims to provide a fault location method based on zero-sequence current to solve the problem that when a small-current single-phase ground fault occurs in the system, the fault current is very small and the fault signal is weak, causing fault detection, The problem of difficult line selection and positioning includes the following steps: collect the transient zero-sequence current of each detection point on each line at the exit of the busbar, and when the line fails, the transient zero-sequence current changes suddenly; The amplitude of the transient zero-sequence current of each detection point, select at least three lines with the largest transient zero-sequence current amplitude; according to the change of the transient zero-sequence current amplitude of each detection point on the line selected in the step B In case of low current ground fault location. The invention has the advantages that: it overcomes the line without a small current line selection device in the station, can realize on-line monitoring of faults, and find fault locations in time.

The present invention discloses a novel voice and face recognition system for a computer. The novel voice and face recognition system comprised a voice acquiring module, an image acquiring module, a controller module, a memory, a starting up circuit and a locating tracker; the output end of the voice acquiring module and the output end of the image acquiring module are connected with the output end of the controller module; the output end of the controller module is connected with the starting up circuit and the locating tracker; and the controller module is further connected with a memory for storing voice and face influence signals. The novel voice and face recognition system for a computer has a voice and face double identifying function. The computer can be normally started only when identification succeeds, thereby ensuring the safety of the documents in the computer. Moreover, the system has the locating tracker, which may send a locating signal to a locating terminal when the identification fails so as to find the computer in time.

The invention provides a hot-piercing manufacturing method of a micro-via array biological chip. The hot-piercing manufacturing method comprises the following steps: photoetching, thus obtaining a photoresist pattern; plating a metal layer on the photoresist pattern by using a chemical deposition method; electroforming and demolding, thus obtaining an original die blank; electrolyzing, thus obtaining a die; piercing a high molecular material through the die by using a hot stamping method, cooling and demolding, thus obtaining the micro-via array biological chip. According to the hot-piercing manufacturing method provided by the invention, the hot stamping method is adopted, devices can be easily obtained, and the requirements on an implementation environment are low; meanwhile, both the pore diameter periodicity and the size uniformity are good, and the detection accuracy is high; through the methods of die manufacturing and hot-piercing copying, controllable manufacturing of the micro-via array biological chip made from the high molecular material is realized, the machining steps are greatly simplified, the machining efficiency is high, the technological cost and the material cost are lower, and the hot-piercing manufacturing method is beneficial for manufacturing a high-density pore array, so that the detection efficiency is further increased, and the hot-piercing manufacturing method is very suitable for large-scale industrial production.

The invention provides a medical wristband beeper which comprises a wristband, a wireless calling module, a GPRS module, a power circuit module, a battery bin, a control panel and a laser module, wherein the wireless calling module, the wireless calling module, the GPRS module, the power circuit module, the battery bin and the control panel are arranged on the wristband, the battery bin is used for mounting a battery, and the laser module is mounted on the control panel. The power circuit module is connected with the wireless calling module, the GPRS module, the battery bin, the control panel and the laser module respectively. The medical wristband beeper has the advantages that a wireless calling function is added to the medical wristband, a patient can start calling anytime and anywhere, locating of the patient can be achieved through the GPRS module so that the patient can be found in time, the physical condition of the patient can be known remotely through a heart rate detection module, and the medical wristband beeper can provide illumination for the patient at night.

The embodiment of the invention discloses an object finding assembly and an information processing method of the object finding assembly. The object finding assembly comprises an assembly body, a connecting piece, an alarming module, a wireless communication module, a processor and a power supply module, wherein the connecting piece, the alarming module, the wireless communication module, the processor and the power supply module are arranged on the assembly body, the connecting piece is used for connection of the object finding assembly and other objects; the alarming module and the wirelesscommunication module are both connected with the processor, the power supply module is used for supplying electricity for the object finding assembly, and the processor is used for communicating withan exterior terminal device through the wireless communication module, when an object finding command sent through the exterior terminal device is received, the alarming module is controlled to outputfirst alarming signals. According to the scheme, when objects need to be found by users, the object finding command can be sent through the exterior terminal device, based on the object finding command, the alarming module can be controlled to output the first alarming signals through the processor, due to connection of the object finding assembly and the objects, based on the first alarming signals, corresponding objects can be conveniently found by the users in time.

A method for detect broken wire of hinge cage Including fixed shaft, one end of the fixing shaft is fixed with a fixing seat, A guide wheel is rotatably connected with the fixed seat, the outer circumferential surface of the guide wheel is provided with a guide groove, A fixing bracket is also fixed on the fixing shaft, a tungsten steel wire passing mold is fixed on the fixing bracket, the core wire coincides with the tungsten steel wire passing mold axis and is tangent to the guide groove, a proximity switch is arranged on the fixing bracket between the tungsten steel wire passing mold and the guide wheel, and the proximity switch is positioned below the core wire. The invention has the advantages of more accurate judgment of broken line, stronger adaptability, wider application range andtimely alarm of broken line, thereby improving production efficiency, lightening labor intensity of operators and saving time and labor.

The invention relates to a luggage case, particularly a luggage case having a positioning function. The luggage case includes a case body, a pull rod device, rotary wheel assemblies, and a positioningdevice. The positioning device includes a luggage case positioning terminal and a position receiving terminal. The luggage case positioning terminal includes a first receiving module, a processing module, a compression module, an encryption module and a sending module. The first receiving module is used for receiving satellite GPS signals. The processing module is used for processing the satellite GPS signals to acquire position information data of the satellite GPS signals. The compression module is used for compressing the position information data and outputting compressed data to the encryption module. The encryption module is used for encrypting the position information data. The sending module is used for sending the encrypted position information data to the receiving terminal through a transmission network. The receiving terminal can display the position information after decryption. The luggage case can be effectively protected from getting lost.