131results about How to "Effective alarm" patented technology

The invention provides a safety alarm method and a device, wherein the method is applied to intelligent wearable equipment with a built-in sign sensor, the method comprises the steps: sign data of a detected object is monitored in real time; when the sign data of the detected object is out of a normal sign data range of the detected object, a safety alarm message is sent to a guardian terminal. According to the invention, when the sign data of the detected object out of the normal sign data range of the detected object is monitored, the device can predict that the detected object is in danger at that time, then the device sends the safety alarm message to the guardian terminal bound by the intelligent wearable equipment to remind the guardian to check the safety of the detected object, so that lost accidents of the detected object such as children, senior citizens, pets and the like are avoided, and safety of the detected object is ensured.

The invention discloses a communication device, a network device and an alarm method. The communication device includes: an information collecting unit used for collecting simultaneous audio recording and / or image information; a speech recognition unit used for monitoring the field sounds and comparing the field sounds with preset alarm sounds by adopting the sound identifying technique after the field sounds are received, so as to reach an identifying result whether the field sounds are alarm sounds; an alarm trigger unit used for triggering the information collecting unit to work after the speech recognition unit identifies that the field sounds are alarm sounds; and an alarm starting unit used for sending the field sounds and / or image information that are collected by the information collecting unit to a preset location. The invention is capable of increasing the safety and validity of alarming.

The invention discloses an initiative intercept method and an initiative intercept device for a malicious program and client end equipment. The initiative intercept device for the malicious program comprises an intercept object selection unit, an intercept information setting unit, an intercept point monitoring unit and an intercept execution unit, wherein the intercept object selection unit is suitable for selecting an intercept object needs to be intercepted according to an access mode of a client end to key input data; the intercept information setting unit is suitable for arranging intercept execution information aiming at the intercept object in an application layer and / or a drive layer; the intercept point monitoring unit is suitable for acquiring information of a key input data accessing program when the key input data is monitored; the intercept execution unit is suitable for judging whether the program is safe according to the information of the program, if so, the program is allowed to call the key input data, if not, the program is intercepted, wherein the intercept point monitoring unit is suitable for judging whether the monitored key input data is data needs to be protected before the information of the key input data assessing program is acquired, if so, the information of the key data assessing program is acquired, and if not, the operation is finished.

The invention relates to an intelligent monitoring system for a flexible passive protective net. The intelligent monitoring system of the flexible passive protective net includes a dangerous source capture system, a signal processing system and an alarm system. Under a condition that the signal processing system determines that dangers happen in the protective net and / or the protective net reaches a dangerous degree, alarm signals and / or intelligence information are / is sent in one or more methods. Fiber bragg grating sensors are preinstalled on lower support ropes of the flexible passive protective net. Through monitoring the tension of the lower support ropes of the protective net, signals related with rock fall and breakage of the protective net are monitored in a real-time manner and then the signals are returned to a fiber bragg grating demodulator.

The invention discloses a device based on video smoke detection, and a method based on video smoke detection. The method includes the following steps: scattered foreground points are firstly acquired through a video image acquisition unit and a foreground acquisition unit; de-noising processing of the foreground points is then carried out through a de-noising unit; the foreground points are then accumulated through a foreground accumulation unit; a region connection unit is utilized to connect the accumulated foregrounds and acquire relevant parameters; the average gradient information of connected regions is acquired through a gradient computing unit; the relevant parameters are then set through a false smoke removal unit to remove some false smoke regions; feature matching of suspected smoke regions that are not removed is then carried out through a feature matching unit; a judging and alarming unit finally decides whether an alarm is to be sent by judging whether the matching times exceed a threshold value or not. The invention has the advantages that the foregrounds are acquired through the three frame difference method and accumulated through a fixed window, false smoke is then removed through the multi-feature fusion method, and finally the matching times are judged to decide whether the alarm is to be sent or not.

The invention relates to the technical field of an elevator and discloses a detection and alarming device of abnormal opening of a hoistway door, comprising a power supply, a control unit, first switches, second switches, and alarms, wherein the first switches and the second switches are arranged on all floors and the alarms are arranged on all the floors; after the first switches and the second switches of all the floors are connected in parallel, n parallel circuits are formed; a serial circuit is formed by the n parallel circuits; the control unit comprises a potential detection circuit and a high potential output circuit; and when the potential detection circuit detects that when an nth input end is a low potential, a high-potential output circuit inputs a high potential to an nth parallel circuit and supplies power to the alarm of the nth floor to enable the alarm to give an alarm. The invention further discloses a realization method of the detection and alarming device, which can effectively detect all the abnormally-opened hoistway doors and sends out an effective alarming measure, so as to effectively detect and alarm the abnormal movement hoistway door when an elevator main control board has a floor identification error.

The invention aims to design a monitor for guaranteeing the safety of children in an automobile and a program control method implemented by the monitor. The monitor is divided into a host and a slave. The host is arranged at the front end of a driver, the slave is bound on a backrest of a seat at the front of child seats, and information can be exchanged between the host and the slave via SPI (serial peripheral interface) bus. A camera is arranged on the slave, and images of the seats of a back row can be acquired by the camera in real time in automobile operation procedures and are displayed on a liquid crystal display of the host, so that the driver can assuredly conveniently observe conditions of the children on the back row without turning around. Liquid crystal display functions can be inactivated after the automobile is switched off, human body detecting sensors and environment detecting sensors can be started by the monitor, prompting information can be transmitted to preset mobile phone numbers by the monitor via a GSM (global system for mobile communications) module if the children who linger in the automobile are detected and interior environments of the automobile are unfavorable for human health, and the children also can make calls to the mobile phone numbers via a distress call key.

The invention discloses an intelligent fire fighting remote monitoring system in the fire fighting monitoring technology field. The system comprises a front end system and a background system. The front end system is formed by an alarm monitoring application platform, a fire-fighting department monitoring platform, a fire-fighting video monitoring subsystem, a fire-fighting routing inspection management subsystem, a fire-fighting post inspection management subsystem, an information query statistics analysis subsystem, a data maintenance management subsystem, a data facility maintenance platform, an instant messaging management subsystem, a service management subsystem, and an intelligent study and judgment subsystem. The system can be used to provide real, effective and real-time alarm, fault and operation information for each level of users, organic combination of civil air defense and technical defense is realized, and the scientific and technological means of fire-fighting supervision and management are comprehensively improved.

The invention provides a campus night-vision three-dimensional virtual monitoring system comprising an information acquisition module, an information processing module, a management module, a monitoring module and a storage module. The information acquisition module comprises a monitoring unit and a pickup. The information processing module comprises a mobile object detection module, a mobile object parameter extraction module, a mobile object positioning module, a warning information extraction module and a warning module. The management module comprises a three-dimensional modeling module, a three-dimensional model import module, an area safety level setting module, a monitor site arrangement module and a monitor site information setting module. The monitoring module comprises a warning display module, a live query module and a virtual object generation module. The traditional video-monitoring mode is broken through, the applicable field of audio-video monitoring is widened, the defects that night images are fuzzy and detailed information is lacked are effectively avoided by feeding back real-time information of virtual objects, effective warning and prejudging is achieved, and timely handling is performed to avoid accidents.

The invention discloses an electric bicycle, motorcycle and motor tricycle monitoring management system and a detection method thereof. The system comprises a radio-frequency identification tag, a radio-frequency card reader, a capture module, a query alarm module and a central database server, wherein the radio-frequency card reader transmits read tag information of the radio-frequency identification tag to the query alarm module; the capture module transmits obtained image information to the query alarm module; the query alarm module compares the obtained tag information and image information, and sends the information to the central database server for performing query processing; and the central database server transmits a query result back to the query alarm module for performing analysis processing to realize vehicle and driver monitoring management. The system is convenient in operation, does not workers to perform check one by one, has the advantages of high precision, high efficiency and the like, and provides powerful guarantee for managing behaviors of vehicle stealing, illegal driving and the like.

The invention provides a positioning monitoring system. The positioning monitoring system comprises a mobile terminal, and a monitoring server. The system further at least comprises three Wi-Fi hotspots. The mobile terminal is used to perform positioning through the Wi-Fi hotspots, and sending the monitoring result to the monitoring server. The invention further provides a positioning monitoring method using the positioning monitoring system. By adopting the technical scheme of the invention, continuous real-time positioning monitoring can be performed on a monitored object, and effective alarming can be realized through preset alarming conditions.

Disclosed are an on-site monitoring device, a signal processing system and a monitoring and alarm system. The on-site monitoring device includes optical-fiber sensor single bodies or a distributed-type array formed by the optical-fiber sensor single bodies; and a fiber bragg grating demodulator, wherein the fiber bragg grating demodulator is connected with the optical-fiber sensor single bodies or the array formed by the optical-fiber sensor single bodies through signal transmission optical fibers. The fiber bragg grating sensors are arranged at preset positions of the railway and used for monitoring in a real-time manner related signals when falling rocks fall on the railway and returning the signals to the fiber bragg grating demodulator.

The invention relates to a remote monitoring system utilizing a 3G / 4G network, which comprises a host computer and a 3G / 4G mobile phone or a terminal device with a 3G / 4G module, wherein the host computer comprises at least one control device, a sensing device, an alarm device, a 3G / 4G communication device and an image pick-up device; the 3G / 4G mobile phone or the terminal device with a 3G / 4G module comprises at least one video receiving device; output signals of the image pick-up device and the sensing device are connected to the host computer; and the 3G / 4G mobile phone or the terminal device with a 3G / 4G module is used for remotely controlling the host computer through the 3G / 4G network so as to record, take a picture, record a video and alarm. The invention aims to provide a low-cost, simple and practical remote video monitoring system which can actively prompt a monitor to monitor when an abnormal phenomenon occurs so as to carry out relevant operations, reduce emergencies and avoid false alarms.

The invention provides a monitoring method, device and system based on a following type virtual fence. The monitoring method comprises the steps of respectively obtaining first position information which is carried on a monitored object and is sent by a monitoring terminal, and a second position information which is used for monitoring the monitored object and is sent by a positioning terminal; according to the first position information and the second position information, judging whether the monitoring terminal is beyond a present virtual fence area relevant to the positioning terminal, wherein the virtual fence area can follow the positioning terminal to move; and if the monitoring terminal is beyond the preset virtual fence area relevant to the positioning terminal, generating alarm information, and sending the alarm information to a designated user terminal. According to the scheme of the invention, the monitored object can be enabled to follow the positioning terminal to move freely in the virtual fence area.

The invention relates to a backup energy-storage power supply managing system of a coal mine electronic device, which comprises a municipal power of a rectified power supply for supplying power to all circuits, a backup power supply and the coal mine electronic device, wherein the rectified power supply is connected with a charging module, the charging module is connected with the backup power supply through a connecting port, the backup power supply comprises a battery pack, a microcontroller unit (MCU), a temperature detection module, a current detection module, an intelligent voltage detection module, a balance module, a display module, a charging / discharging switch circuit and an alarming circuit, the charging module is used for charging the battery pack, and the battery voltage detection module detects the voltage of a single-body battery of the battery pack. The backup energy-storage power supply managing system of the coal mine electronic device has the advantages of long service life, good safety performance, directly-viewed displaying of parameters of the battery pack, effective alarming for abnormality and the like. The backup power supply can continue to run under the situation of power failure, so the normal work of the coal mine electronic device can be continued, the running stability of the coal mine electronic device can be greatly improved, and powerful technical support can be provided for the safe and high-efficient production of an entire coal mine.

The invention provides a blocked material detection device of a three-way coal chute. The blocked material detection device comprises a drainage housing, a baffle, a triggering device and a travel switch. The outer side wall of the three-way coal chute is provided with a drainage opening and the drainage housing is fixed on the outer side wall and covers the drainage opening; the baffle is located between the drainage opening and the wall of the drainage housing, and is fixedly connected with a shaft; and the shaft is movably connected with the drainage housing. One part of the shaft, which is located at the outer side of the drainage housing, is connected with the triggering device; the travel switch is fixed on the outer wall of the drainage housing and is in a contact range of the triggering device; and the route of the triggering device which is swung to the position of triggering the travel switch is less than or equal to the route of the baffle which is swung to the shell of the drainage housing. The drainage housing is provided with an observation window. The blocked material detection device disclosed by the invention has a self-resetting function and a strong anti-vibration capability; the blocked material detection device is not easy to damage and blocked coal is converted into mechanical displacement of the device, so as to be converted into an alarming signal; effective alarming is realized and a problem of refusing to move to not alarm or wrongly alarming does not happen; a blocked coal condition can be conveniently checked by the observation window; and the blocked material detection device is suitable for an environment with great coal conveying dust and great vibration.

The invention provides an infusion weighing monitoring method. The infusion weighing monitoring method comprises the steps that firstly, an initial weight A of an infusion bottle device placed on the ground is obtained through weighing; secondly, after a set drop number of liquid medicine dripped from a drip chamber of the infusion bottle device, a weight B of the infusion bottle device placed on the ground is obtained through weighing; thirdly, the weight difference value between the initial weight A and the weight B is divided by the set drop number, and then the weight of each drop of liquid medicine is obtained; fourthly, the total weight of infusion medicine is divided by the weight of each drop of liquid medicine in order to achieve the total drop number of the infusion operation; fifthly, the set drop number of the drip chamber is subtracted from the total drop number, so a residual drop number of the infusion operation is obtained; sixthly, the residual drop number of the infusion operation is divided by the current dripping speed, so an infusion residual time is obtained. By the adoption of the infusion weighing monitoring method, the weight of each drop of liquid medicine can be obtained through weighing, and therefore the infusion residual time can be worked out; the weight of each drop of liquid medicine is corrected continuously in order to update the infusion residual time, so time monitoring is more accurate; a nurse can be reminded ahead of time sufficiently.

The invention discloses a method for detecting the ground-falling behavior of a passenger in an elevator car and relates to the field of behavior identification. The method comprises the steps of acquiring a shot video and a target background image; according to the target background image, extracting a foreground pixel from each video frame so as to obtain a to-be-confirmed foreground pixel graph; denoising the to-be-confirmed foreground pixel graph to obtain a target foreground pixel graph; performing edge detection on each video frame to obtain an edge graph; performing edge detection on the target background image in the initial state to obtain an edge background graph; determining the number of pixels in an edge foreground according to the edge graph and the edge background graph; dividing the elevator car into an upper area and a lower area; according to the number of foreground pixels in the upper area, the number of foreground pixels in the lower area and the number of pixels in the edge foreground in the upper area, determining whether a video frame is an alternative ground-falling frame or not; according to the occurrence frequency of the alternative ground-falling frame,sending out an alarm. According to the invention, the rapid calculation is achieved. Meanwhile, the effect of alarming the ground-falling behavior of a passenger can be effectively achieved.

A stereoscopic railway disaster prevention monitoring system used for dangerous rock and falling rock along a railway, a signal processing system, and a monitoring and alarming system. A stereoscopic railway disaster prevention monitoring and alarming system comprises: a stereoscopic railway disaster prevention monitoring system, a signal processing system connected to the stereoscopic railway disaster prevention monitoring system, and an alarming system connected to the signal processing system. In a case in which the signal processing system determines that a protective net (10) has a danger and / or reaches a danger level and vibration is generated and / or a vibratory magnitude reaches a danger level, an alarm signal and / or intelligence information is sent in one or more manners.

The invention discloses a gas leakage alarm method and system. The method comprises the following steps: acquiring the sum of rated thermal loads of all gas equipment of a user; setting a large flow threshold value according to the sum of rated thermal loads of all gas equipment of the user; acquiring the minimum operating thermal load of the gas equipment of the user; setting a small flow threshold value according to the minimum operating thermal load; acquiring the flow of a meter of the user; and triggering an alarm and / or cutting off the air supply of the user according to the flow of themeter of the user, the small flow threshold value and the large flow threshold value. According to the gas leakage alarm method and system, the large flow threshold value is set according to the sum of the rated thermal loads of the gas equipment actually used by the user, and the small flow threshold value is set according to the minimum operating thermal load of the gas equipment, so that the method and the system better conform to the use rule of each user, the alarm is more accurate and effective, and the situation of false alarm is reduced. The gas leakage alarm method and system can be widely applied to the technical field of gas safety.

The invention relates to an intelligent air-regulating air conditioner system, and the system comprises an air conditioner body, an air purifier, a control terminal, an air detection module, a temperature detection module, a humidity detection module, and an oxygen increasing machine. The air purifier is used for filtering and purifying indoor air. The air detection module is used for detecting the particles, concentrations of carbon dioxide and concentration of harmful gas in the indoor air, and transmits the detection information to the control terminal. The control terminal comprises a microprocessor and a control module. The microprocessor is used for receiving the detection information from the air detection module, the temperature detection module and the humidity detection module, and makes judgment to start one of the air conditioner body, the air purifier and the oxygen increasing machine or more. The system is provided with the air detection module, the air purifier and the oxygen increasing machine, and combines with the air conditioner body. The system employs the control terminal to intelligent adjust the indoor air temperature, humidity, oxygen content, particle content, concentrations of carbon dioxide and concentration of harmful gas.

The invention discloses a pneumatic conveying type precision combined seed and fertilizer drill, and a miss-seeding and blocking detection method and device thereof. The miss-seeding and blocking detection device includes sowing monitoring units, a forward speed sensor, a speed collecting module and a vehicle controller; the sowing monitoring units are installed on seed metering pipes and includeDoppler microwave sensors, wind pressure sensors and collection processing modules, and the Doppler microwave sensors and the wind pressure sensors are respectively connected to the collection processing modules; the forward speed sensor is installed on a land wheel; the speed collecting module is installed on the land wheel and adjacent to the forward speed sensor; and the vehicle controller is fixed in a driving cab, is connected to a vehicle storage battery to take electricity, and is connected to the sowing monitoring units, the forward speed sensor and the speed collecting module. The miss-seeding and blocking detection method includes collecting a signal of the forward speed sensor to obtain speed information; transmitting the speed information to the vehicle controller in real time;determining, by the vehicle controller, whether the sowing monitoring units enter working states according to the speed information; and performing miss-seeding and blocking detection and alarm sounding during working.

The invention provides a monitoring method and a monitoring system based on a mobile terminal. The method comprises the steps of detecting the movement condition of the mobile terminal; detecting the service condition of the mobile terminal for a user; if the movement condition shows that the mobile terminal has movement information, and the service condition indicates that the mobile terminal has at least one piece of contact information, use distance information, use angle information and use information in eyeball use information of the user, starting risk warning. According to the method and the system provided by the invention, detection accuracy on service condition of the mobile phone for the user can be improved, and accurate warning is achieved.

The invention provides a fault event discovery method and a server, wherein the method comprises the steps of obtaining the target public opinion data; determining a fault event mentioned by the target public opinion data; determining a type matched with the fault event, and associating the target public opinion data with the type; accumulating the number of the public opinion data associated withthe type; and when the number exceeds a preset threshold value, carrying out fault prompting on the type. By utilizing the technical scheme provided by the embodiment of the invention, the technicalproblem that the existing fault event discovery mode cannot effectively alarm a small range of fault events in a short time can be solved, and the technical effect of effectively discovering and prompting the small range of fault events in the short time is achieved.

The invention relates to a method and system for detecting safety of lifting iron ladles and steel ladles by a crown block. The detecting method comprises the steps of creating coordinates for the internal space of each bay where the crown block passes and recording coordinate data into a system database; then accurately positioning the crown block in the horizontal direction and vertical direction to obtain operation coordinate records of the crown block; and finally analyzing the operation coordinate records of the crown block and weighing value changing behavior during lifting-up and putting-down to complete tracking of the specific iron ladles and steel ladles. The detecting system comprises a real-time data acquisition module, a logical judgment module, an alarm execution module, a tracking display module, a terminal, and a data storage module. The detecting method and system can detect abnormal situations in the process of lifting the iron ladles and the steel ladles by the crownblock and give an alarm, thereby increasing the safety of lifting operation of the iron ladles and the steel ladles; and the detecting method and system have the characteristics of applicability, safety and high efficiency.

The invention relates to a multifunctional monitoring alarm safety helmet for electric power, and belongs to the technical field of electric power security monitoring. According to the technical scheme, the multifunctional monitoring alarm safety helmet for the electric power comprises a safety helmet body, wherein an electric field sensing antenna used to sense a power frequency alternating current electric field signal and an environment sensor used to collect work environment information are arranged on the safety helmet body, the electric field sensing antenna and the environment sensor are both connected with a control treatment circuit on the safety helmet body, an output end of the control treatment circuit is connected with an alarm on the safety helmet body, and when the electric field signal sensed by the electric field sensing antenna or the environment information collected by the environment sensor is not matched with a safety threshold preset in the control treatment circuit, the control treatment circuit outputs alarm information through the alarm. The multifunctional monitoring alarm safety helmet for the electricity is compact in structure and convenient to wear and use, can perform effective monitoring and timely alarm for electricity operation states, and improves electricity operation safety and reliability.

The invention discloses an infrared wireless intelligent alarm system which comprises a single-chip microcomputer and a working power supply connected with the single-chip microcomputer. The single-chip microcomputer is connected with an infrared sensor through an amplifying circuit. The single-chip microcomputer is connected with an alarm unit through a driving circuit. The single-chip microcomputer is further connected with a transmission unit which is an SIM card. The infrared wireless intelligent alarm system is simple in structure, safe and reliable, due to the fact the SIM card is adopted as the transmission unit, the remote alarm function can be achieved, and information transmission is accurate and reliable.

The invention discloses an electrical automation intelligent control device which is used for a swimming pool. The device comprises an AI control module, a swimming pool system, an operation display system, a network communication module and an alarm system. The swimming pool system comprises a swimming pool, a filtering water cabin, electrical equipment and an electrical sensing system; the electrical equipment comprises a circulating water pump, a water injection control valve, a frequency converter and a video image sensing system, the circulating water pump is electrically connected with the frequency converter, and the AI control module is in data communication connection with the frequency converter; the AI control module changes an electric frequency input into the circulating water pump through the frequency converter, and then the rotating speed of the circulating water pump is changed. According to a water depth and the treading pressure of swimmers, the lifting net is automatically adjusted so that the optimal swimming water depth of the swimmers is met; and meanwhile, isobaric analysis can be performed on underwater pressure according to underwater pressure sensing equipment, and underwater drowning persons are analyzed so that an alarm is effectively given.

The invention discloses mining material detection circuit and device, belonging to the technical field of material detection, and providing mining material detection circuit and device which have advantages of large work range, energy saving, and capability of alarming at both a short circuit state and an open circuit state. In the mining material detection circuit, an output end of a transformer is sequentially connected with a control circuit, an indicating circuit, a tilting switch and a diode; the control circuit is formed by a parallel connection between a direct current relay and a capacitance; the indicating circuit is formed by a parallel connection of two circuits, wherein one circuit is formed by a series connection between a normally closed contact of the direct current relay and a first indicating light, and the other circuit comprises a second indicating light; and the indicating circuit is in a parallel connection with a reset circuit. The invention is applied to material belt type conveying equipment in the fields of machinery, energy source, electric power, transportation and the like.