67results about How to "Reliable alarm" patented technology

The invention provides an auto-tracking recognition system and a method. The system comprises a fixed viewing field camera, a suspicious object determination module, a trail tracking module, a control module, a variable viewing field camera, a picture recognition module, a contrast module and an alarm module, wherein, the suspicious object determination module is used for analyzing a video picture collected by the fixed viewing field camera, determining a suspicious object, and acquiring the position of the suspicious object; the trail tracking module is used for determining the motion trail of the suspicious object; the control module is used for outputting a control signal according to the position and the motion trail of the suspicious object; the variable viewing field camera is used for acquiring the video picture in accordance with the feature recognition requirement based on an adjustment parameter of the control signal; the picture recognition module is used for acquiring a feature parameter of the suspicious object; the contrast module is used for contrasting the acquired feature parameter with the feature information of the contrasted object in a feature database; and the alarm module is used for giving an alarm to the suspicious object in accordance with the set alarm condition. The invention can automatically track and collect detail pictures of the suspicious object, and efficiently realize the recognition of the suspicious object, thereby giving an early and reliable alarm.

The invention relates to the technical field of production safety monitoring in petroleum and natural gas drilling engineering, in particular to an accident monitoring method in the welldrilling process. The accidents comprise leakage and overflow, and the difference of the accident monitoring method lies in that: the alarm judgment of the leakage and the overflow is that the abnormal change of the total volume of the mud in a circular mud tank is monitored by an operating condition identifying model and an alarm model, and a corresponding alarm is given when the change of the total volume of the mud exceeds an alarm threshold of the leakage and the overflow. The accident monitoring method in the welldrilling process can judge the occurrences of alarm accidents, such as the leakage, the overflow and the like, accurately and reliably by monitoring drilling engineering parameters in real time.

The invention provides a turnout abnormity early warning and fault diagnosis method. The method comprises the following steps of (1) based on the historical data of a turnout to be tested, selecting astandard motion curve; (2) using a clustering algorithm to segment the motion curve to be tested; if correct segmentation can not be performed, turning to a step (3); otherwise, turning to a step (4); (3) comparing a power curve in the motion curve to be tested with the power curve of all fault samples, searching the fault sample which is most similar to the power curve, and affirming that the motion curve to be tested has a fault corresponding to the found fault sample; (4) for each segment of the motion curve to be tested, extracting a first kind of characteristics; and (5) comparing with the standard motion curve and determining whether the motion curve to be tested is abnormal or normal. Compared with an existing segmentation method, the method has universality; simultaneously, compared with the prior art, the selected standard curve is scientific and reliability is high; in addition, adaptive diagnosis is realized, a demand to a person is less and efficiency is high.

The invention discloses an intelligent security and protection management system. The intelligent security and protection management system comprises a power module, a communication module, a function module, a monitoring module, a server and a central processing unit. The power module, the communication module, the function module, the server and the monitoring module are connected to the central processing unit. The power module comprises a power generation module, a wireless charging module, a solar cell, a USP power source and a power plug. The communication module comprises a wireless network and an Internet. The function module comprises a music module, a double-screen displayer and a lamplight module. The monitoring module comprises a first safe access control system, a second safe access control system, a video monitor, a sensor module, a smoke detector, a human body inductor and an audible and visual alarm. The intelligent security and protection management system is high in intelligentization level, convenient to use, high in working efficiency, low in people dependency, high in reaction speed and timely and reliable in alarm giving, and safety is effectively improved.

The invention relates to the communication technology field and particularly relates to a handset loss prevention method and system based on wearable equipment. The method specifically comprises steps that 1, a handset is in wireless matching connection with the wearable equipment; 2, a safety distance between the wearable equipment and the handset is set by a user, and a distance monitoring program starts; 3, an actual distance is measured and acquired; and 4, the actual distance is compared with the safety distance, if the actual distance is smaller than the safety distance, the process returns to the step 3 to continue measurement, if the actual distance is greater than the safety distance, an alarm strategy starts. The method has advantages of high stability, high accuracy, timely alarming and convenient and rapid use.

A sensor for sensing the carbon brush wear-out of motor is composed of a casing, a carbon brush with a contact position on its surface, an elastic element, and a circuit board with electric conducting probe and alarm lamp, which are electrically connected. When the carbon brush is needed to change, the alarm lamp is turned on by contacting with carbon brush via said probe.

The invention discloses an electric power line external-damage-preventive intelligent monitoring system, which comprises a nearly electric alarm sensor. The nearly electric alarm sensor is disposed on an operation moving arm of a large machine, is connected with an nearly electric alarm device and is further connected with a radar range unit disposed on the operation moving arm of the large machine, and the radar range unit is connected with a protecting device capable of leading the large machine to stop operation. The electric power line external-damage-preventive intelligent monitoring system is reasonable in structure, operation conditions of the construction machine in a power facility protecting area can be controlled in real time, effective safety monitoring is realized, and accidents are effectively prevented.

The present invention discloses a medical warning system. Said system is composed of remote central monitoring centre, user terminal data acquisition telephone and several user alarm watches. The user terminal data acquisition telephone includes blood pressure module, blood sugar module, main control system module and wireless receiving module. The blood pressure module and blood sugar can be used for collecting blood pressure and blood sugar data in the family, the main control system module is connected with telephone module, and is connected with telephone speech processing module of remote central monitoring centre by means of PSTN public telephone network. Said invention also provides the working principle of said system and its concrete application method.

A railroad track monitoring system is described which detects changes in rail track geometry that could lead to derailments, The changes in geometry are detected via analysis of temperature and stress parameters that are collected at one or more sensors installed on the track. Methods are described which provide faster detection and reduced false alerts, thereby saving time and expense to the railroad system.

The invention discloses overpressure and under-pressure warner for hydraulic timbering equipment. The overpressure and under-pressure warner is characterized by comprising a shell, wherein a pressure detection warning device is arranged in the shell, and comprises a warning loop; and the warning loop comprises a power supply, a warner and a pressure switch for detecting the pressure in the hydraulic timbering equipment and controlling the state of the loop. Compared with the prior art, the overpressure and under-pressure warner has the advantages of high intelligent degrees, perfect functions, convenience for detecting, vividness, reliability, low cost and low loss.

According to the invention, a vibration accumulated alarm method and apparatus are provided, featuring the accumulation of vibrations detected in a period. The method comprises the following steps: 1) vibration detection in which a vibration sensor converts the vibrations it senses into electric signals of vibration and transmits the electric signals after processing; 2) signal processing and logic determination in which the electric signals of vibration experience basic processing and conversion into pulse signals of vibration, followed by the determination of the effectiveness of the pulse signals and the determination that effective pulse signals are effective vibration signals; 3) signal accumulation in which the effective vibration signals confirmed by logic determination in a period or rather, an accumulation period, are accumulated according to their times; and 4) alarm making in which an alarm is made when the times of the effective vibration signals accumulated in an accumulation period reach a set alarm threshold value.

The invention relates to a structural improvement on an automatic water outlet device and provides a leak-proof automatic water outlet device which is reliable in operation and simple in structure. The leak-proof automatic water outlet device comprises a water holding basin, wherein a water outlet pipe is arranged above the water holding basin. The leak-proof automatic water outlet device is structurally characterized in that an infrared emitting device and an infrared receiving device which are correspondingly arranged on two sides of the water holding basin, a pressure sensor is arranged at the bottom of the water holding basin and corresponds to the water outlet of the water outlet pipe, a circuit board on which a first relay loop, a time relay loop, a water inflow switch loop, a pressure sensor loop and a pipeline switch loop are arranged is arranged in the water holding basin, the output port of the infrared receiving device is connected with the input port of the first relay loop and the input port of the time relay loop respectively, the output port of the first relay loop is connected with the input port of the water inflow switch loop, the output port of the time relay loop is connected with the input port of the pressure sensor loop, and the output port of the pressure sensor loop is connected with the input port of the pipeline switch loop.

The invention relates to a live wire monitoring and early warning system and method based on multiple laser radars, and the system comprises a plurality of laser radars disposed on different surfaces of a bucket arm vehicle, and the plurality of laser radars are respectively connected with a plurality of data processing platforms. The plurality of laser radars are not intervisible, and each laser radar senses information in one direction; the data processing platform collects laser radar information, carries out multi-laser radar point cloud fusion according to the calibrated spatial position relation, and reduces the collected point cloud to a coordinate system with the center point of the bucket arm vehicle as the original point; the multiple laser radars calculate conversion parameters through external parameter calibration, and space synchronization of the multiple laser radars is achieved. According to the invention, in the live working environment of the 10 kv power transmission line, the live working safety distance of a worker can be measured and early warned, the safety condition of the working environment can be monitored, and the working environment can be visually monitored, so that the real-time management and control of a working site and the safety protection of the worker can be realized, and the safety level of live working can be improved.

A design scheme for improving functiion of burglar-proof door belongs to mechanical and electrical integration technologies field. Again the inventor applys to the three patent results will be integrated with some classics, be upgraded to form a program. The program mainly applys to a new structure of the locks, including remote control open-door unit, network transmission unit, warning sampling unit, secondary screening unit alarm signal, voice information and the output interface modules.The invention raises outstanding unit sampled, the design and composition of the fundamental methods, and solve the existing products in a variety of contradictions, making the burglar-proof door has excellent performance: the operation of all levels crowd ; good accident prevention ;Scientifically alarm wrong will be reduced to the minimum; and a security system to prevent change from the past passive to active prevention, enriching the burglar-proof door variety.

The invention provides an intelligent fire fighting system used for an offshore wind generating set, which is used for carrying out remote intelligent control and fire fighting on the offshore wind generating set to better protect the safety of the offshore wind generating set. The intelligent fire fighting system comprises an MPU (Micro Processor Unit) controller, a control center, an alarm, a detection module and a fire extinguisher, wherein the MPU controller and the control center are mutually connected; the alarm, the detection module and the fire extinguisher are respectively connected with the MPU controller; and the MPU controller is used for processing detection information of the detection module, transmitting processed information to the control center and controlling the opening of the fire extinguisher according to a control command returned by the control center.

The present invention relates to remote alarm device in radio technology field, and is especially one kind of remote alarm system and method for power failure with alarm site locating function. The remote alarm system consists of network, terminal and other hardware, and one three order tree structure system consists of three kinds of terminals separately for mobile communication, telephone communication and common radio communication and central controller. The alarm system has alarm, automatic polling, sleep, restoring and other work modes. The present invention has the advantages of reliable alarm, long alarm distance, high intelligence, low cost, no alarm blind point, etc. The equipment in the system constitutes one LAN with simple and reliable communication.

The invention discloses a method for detecting the leakage of fluid transmission tube, and relative device. Wherein, it uses the pressure sensor at each station of tube to measure the time difference and the average valve of leakage pressure change signals between two stations that reaching the said two stations, to calculate the position of leakage point; the pressure change signal of entering and exiting the station, via the automatic recognize signal convert unit, is processed with recognize pressure station pass and the pump start processes; the automatic recognize signal convert unit outputs delta valve for controlling switch process; the amplify compare unit detects the entering or exiting pressure signal, which is be amplified by the amplify driving unit to drive the alarm unit. The invention has simple process and lower cost, while it can real-time alarm to prompt user, with high sensitivity, high automatic degree and simple operation.

The invention discloses a high-voltage transmission line construction distance early warning device and method, and the device comprises a measurement end and an alarm end, and the circuit structuresof the measurement end and the alarm end are installed in a shell and are powered by a power module. The electric field sensor at the measurement end is connected with the input end of a controller through a signal processing circuit, a distance measuring sensor is connected with the input end of the controller, and the controller is connected with a wireless transmission module; an alarm end wireless data transmission module is connected with the controller, a working mode setting key is installed on the machine shell and connected into the controller through a working mode setting module, the output end of the controller is connected with a voice control module and a light control module, the voice control module is connected with an alarm and a buzzer, and the light control module is connected with a light emitting diode. The measurement equipment and the alarm equipment which are of a split structure are arranged, the measurement equipment can be arranged at the top end of the construction equipment, the operator holds the alarm equipment by hand, long-distance detection and alarm are achieved and the working environment of large mechanical equipment is met.

The invention relates to an aquaculture net cage supersonic wave detection alarm device; a center processor and a battery are arranged in the net cage; a plurality of supersonic wave detectors are arranged outside the net cage, and a detection area covers each surfaces of the net cage; each supersonic wave detector is connected with the center processor; the center processor is also connected with an acousto-optic alarmer; when a size of a large biont exceeds a threshold and the large biont enters a set intrusion distance, the center processor starts the acousto-optic alarmer so as to drive away the creature approaching the net cage, thus ensuring the net cage safety; the net cage is also wrapped by a high pressure air pipe net, and the pressure in the high pressure air pipe net is bigger than the water pressure in the net cage location; a pressure sensor is connected with the center processor; an air pressure signal suddenly drops when creatures intrude, and the alarmer can be triggered. The aquaculture net cage supersonic wave detection alarm device can effectively percept foreign creatures intrusion without being affected by water depth and foreign materials, so detection is accurate, and alarms are reliable; the alarm device can work underwater in a long time, is low in cost, easy to mount, simple in maintenance, and easy in promotion and application.

The invention relates to a wireless anti-theft alarm which comprises a wireless detector, a wireless launcher, a controller and a sound player. The wireless anti-theft alarm is convenient to install, arrangement of wires is avoided, installation cost is saved, and especially when a monitoring site is hundreds of meters or even several kilometers away from an alarming host, the adoption of a wireless host is economically feasible. The wireless anti-theft alarm is sensitive in detection, strong in interference resistance, accurate and reliable in alarm, steady in performance, and not damaged easily. According to the wireless anti-theft alarm, an out-of-home defence organizing mode, an at-home defence organizing mode and a 24-hour defence organizing mode can be set, functions such as wireless defence organizing and remote defence organizing and withdrawing are achieved, and the application range is wide.

The invention discloses a water system fault wireless alarming device which comprises a signal acquiring unit, a programmable controller, a short message controller and a plurality of handheld communication devices, wherein the signal acquiring unit comprises a plurality of signal acquiring elements arranged on each device of the water system, the programmable controller is connected with the signal acquiring unit so as to receive a state signal transmitted from the signal acquiring unit and output a fault signal; an action program for arranging the logical relation between the state signal and the fault signal is prestored in the programmable controller; the short message controller is connected with the programmable controller so as to receive the fault signal transmitted from the programmable controller and send a short message with the content corresponding to that of the fault signal; and the plurality of handheld communication devices are accessed into a public mobile telecommunication network so as to receive the short message from the short message controller through the public mobile telecommunication network. The system fault wireless alarming device has the advantages of being simple in structure, high in alarming reliability and capable of directly improving an original control system.

The invention relates to an anti-decoding network alarm type anti-theft electronic lock for cars. The electronic lock is characterized in that a remote control is remotely connected with a decoder; an integrated processor is respectively connected with the decoder, an anti-theft executing component, an alarm trigger and a pickup; a circuit on-off controller in the anti-theft executing component controls on-off of an ignition system; an oil passage controller controls on-off of the motor of an oil supply motor; a door controller and a door control point of a central lock are connected to control opening of the door; and a communication network phone card is arranged in an alarm to realize network alarm. When the remote control sends an unlocking or locking instruction, the decoder transmits the decrypted information to a processor; and the processor commands the anti-theft executing component to unlock or lock; if a car is stolen by some persons, the alarm trigger sends alarm information out, and the processer commands the alarm to inform the car owner by calling. The electronic lock in such a structure has simple structure and safe and reliable network alarm, and can be installed to vehicles in various types for prevention of burglary.

The embodiments of the invention disclose a method, system and equipment for roadheader operation safety monitoring and a storage medium. Based on image recognition, the scene of someone in the dangerous area when a roadheader runs in the underground driving face of the coal mine is monitored, an alarm is given to the operators in time, and the operators are enabled to evacuate in advance, injuries caused by a roadheader driver not finding personnel working on both sides of a machine body and the dangerous area behind can be prevented when the roadheader runs in the underground driving face ofthe coal mine, compared with the current situation which only relies on the judgment of the roadheader driver and the supervision of a safety officer, the alarm is more reliable and timely, the safety production liability accident caused by alarm forgetting due to the negligence of the roadheader driver and the absence of the safety officer from a post without supervision is avoided, and the safety management level of the coal mine is improved.

The invention discloses a buffering mechanism of a robot. The buffering mechanism comprises a base, a robot body is arranged at the top of the base, plug pins are arranged at the four corners of the bottom of the base, and the ends, close to the base, of the plug pins sequentially penetrate through the base and the robot body and extend to the top of the robot body. The robot body and the base areboth movably connected with the plug pins, and compression springs are arranged at the four corners of the top of the base. According to the buffering mechanism, by arranging the compression springs,vibration can be weakened through deformation force, the remaining vibration force can be transmitted into shock pads to be further eliminated, the effect of improving the stability of the robot bodyin running can be achieved through double buffering of the compression springs and the shock pads, and the problems that an existing welding robot is not provided with a buffering mechanism, in the driving process on a complex road, dry collision is likely to happen between internal components of the welding robot, and consequently the service life of the welding robot is shortened are solved.

A line-type heat sensing fire detector based on thermoelectric couple principle comprises a line-type temperature sensor element, a converter box and a terminal capacitor; wherein the line-type temperature sensor element comprises two detecting conductors and an NTC property barrier layer parallelly arranged between the two detecting conductors and at least one of the two detecting conductors is a thermoelectric coupling wire; and the resistance value Rz of the terminal resistance is larger than the critical resistance value Rlj. The line-type heat sensing fire detector with terminal capacitor provided by the invention can ensure the detector alarms normally and reliably by using the method of leading the resistance value of the terminal resistance to be larger than the critical resistance value, and a resistance measurement unit which can monitor the line-type temperature sensor element alternatively with a voltage monitor unit, thus resolving the detect caused by alarming the accidents according to the voltage measurement value alone.

The invention specifically relates to an alarm processing method based on a generator set power management controller. The method comprises the steps that 1 according to the degree of the influence ofa fault on a marine generator set, and the degree of the demand of a ship for power supply is combined to establish an alarm model of the marine generator set power management controller; 2 an alarmaction model of the marine generator set power management controller is established according to an actual alarm operation for coping the fault; and 3 an alarm execution method is established according to the alarm model and the alarm action model, so as to realize the alarm processing of the marine generator set power management controller. The alarm processing method provided by the invention has the advantages of scientific design, convenient operation, reliable operation, improved alarm accuracy and improved management automation.

The invention relates to an online water quality monitoring device and method. The device comprises an integrated water quality detector which is provided with a water inlet pipe and a water outlet pipe; the water inlet pipe is divided into three branches, namely a municipal water source inlet pipe, a water tank water source inlet pipe and a standard water source inlet pipe; electromagnetic valvesare arranged on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe; and the electromagnetic valves on the municipal water source inlet pipe, the water tank water source inlet pipe and the standard water source inlet pipe are electrically connected to a controller through wires. The device and the method are flexible, timely and effective; the turbidity of a water source of a water tank is monitored in real time, and comprehensive water quality parameter detection analysis is started once when turbidity early warning exists; and even if there is no turbidity early warning, comprehensive water quality parameter detection can be carried out periodically. The controller provided by the invention regularly performs online calibration on a water quality detection instrument, so that the accuracy and reliability of data acquisition, comparative analysis and early warning alarm are ensured.