35 results about "Delayed Alarm" patented technology

The invention relates to an air conditioner heating low-voltage switch protection control method. In the air conditioner heating mode, by detecting the outlet temperature of an outdoor heat exchanger, different low-voltage protection control methods are adopted for different outlet temperatures. By means of the method, the action of a low-voltage switch can be accurately judged in time, protection, free of missing alarms, false alarms and delayed alarms, of the low-voltage switch is conducted, and therefore the service life of an air conditioner is prolonged.

The invention discloses an alarm device of a hydraulic brake system and an alarm method. The alarm device comprises a pressure detector, a pressure data processor and an alarm, wherein the pressure detector is used for detecting the pressure loss of a pipeline of the hydraulic brake system; the pressure data processor is used for comparing the pressure loss which is detected by the pressure detector with the preset safe value, when the loss is larger than the safe value, the alarm indication signal is output; and the alarm is used for alarming in an indication way according to the alarm indication signal. Through detecting the pressure loss of the pipeline of the hydraulic brake system and comparing the pressure loss with the safe value, the hydraulic brake system is judged whether brake liquid seepage or leakage and other faults exist, the delayed alarm problem that the alarm only works when the liquid level descends to a certain scale limit in the prior art is solved, so a driver can judge the fault position within the shortest time, and the safety factor of braking for the integral vehicle is improved.

The present invention discloses an automatic fire alarming monitoring management system, consisting of a network monitor, an intelligent alarm receiving card and monitoring management software. The network monitor consists of an automatic fire alarming system for field acquisition network users, a mainboard, a communication board and a power panel and can transform information into telephone network signals and transmit the signals to a monitoring center in real time through a public telephone network. The system is characterized in that: the mainboard consists of a mainboard CPU, a program storage chip, a clock chip, a serial port chip, a watchdog chip, a black box, a memory chip, a gate, a driver and an address latch; the communication board consists of a communication board CPU, a watchdog, a dial-up chip, a decoding chip, an address latch and a door; the power panel consists of a comparator, a voltage converter chip and a voltage stabilizing core; the intelligent alarm receiving card is a 16-line high density analog speech interface card which can be configured flexibly; the arrangement of the intelligent alarm receiving card adopts a mainboard PCI slot and utilizes the transmission mode of a telephone network (PSTN); the monitoring management software comprises alarm receiving software, remote maintenance software, fault processing software, patrol software, GIS geographic information database system software, 119 fire alarm information confirmation display terminal interface software and query statistical software; the system improves automatic early warning capability of a fire command center, reduces the loss caused by delayed alarm, is stable and normal in operation and effective in exerting early warning function, avoids the occurrence of serious fire accidents, and early discovers fire hazard at the same time.

The invention discloses a method and device for single-person cash replenishing alarm through recognizing of an intelligent golden eye. The method includes the steps of S1, collecting a video image of a cash replenishing room in real time through a binocular image collecting module, and detecting the opening and closing state of a cash box door of the cash replenishing room; S2, analyzing the video image, and obtaining the information of the number of people in the cash replenishing room; S3, judging whether alarm conditions are met or not, if yes, executing the step S4, and if not, returning to the step S1; S4, judging the opening and closing state of the cash box door within set time or judging whether the number of people in the cash replenishing room is changed or not, if the number is not changed, generating an alarm command so that single-person cash replenishing alarm can be achieved, and if the number is changed, returning to the step S1. According to the opening and closing state of the cash box door, by analyzing the video image, the single-person cash replenishing behavior can be recognized, an alarm is given, and cash replenishing security is ensured; meanwhile, when it is detected that only one person exists in the cash replenishing room and the cash box door is opened, the delayed alarm mechanism is adopted, and alarm accuracy is improved.

The invention discloses a method for ultrasonic real-time detection of the capacity of a granary of a combined harvester. The method comprises the steps of setting of full granary alarm initial distance, acquisition of the distance between the surface of contents in the granary and the top surface of the granary, screening and outputting of the determined value of the distance between the surface of the contents in the granary and the top surface of the granary, acquisition of a combined harvester threshing failure signal and alarming, comparison between the determined value of the distance between the surface of the contents in the granary and the top surface of the granary and the full granary alarm initial distance and alarming, and the like. By the adoption of the method, the height, changing in real time, of the contents in the granary of the harvester can be calculated, and an accurate content height value can be displayed; a single-chip microcomputer compares the content interface with the alarm initial distance and judges whether the height reaches an alarm height, and a delayed alarm is prepared to be given if yes; especially, the working state of the harvester can be detected through real-time detection of threshing quality, an alarm is given in time when a threshing failure occurs, and using is reliable.

The invention relates to a child anti-drop pre-warning system. The child anti-drop pre-warning system comprises a front detecting module, an alarm host, a network camera, a wireless loudspeaker, and a network remote terminal. The front detecting module comprises an infrared photoelectric sensor. The alarm host comprises a host signal processing module, a loudspeaker module, a recording module, a blocking delayed alarm module, a power supply module and a wireless transmitting module. The wireless loudspeaker comprises a first wireless signal receiving module, an alarm signal processing module, a recording module, a loudspeaker and a power supply module. The child anti-drop pre-warning system is used for sending out the site acoustic signal warning in the first time when a child enters into the dangerous zone, notifying parents of the child absent from the site in time through the wireless loudspeaker or the network remote terminal, and effectively monitoring and limiting the activity range of the child in real time.

The invention relates to the field of vehicle safety and provides an obstacle ranging method for a rear dead zone of a vehicle based on distance restraint. The obstacle ranging method comprises the following steps: firstly, correcting images generated by double sensors to generate main and auxiliary corrected images with parallel optical axes and coplanar images; extracting a target point region containing a target point from the main image and determining a smaller searching range on a pole line of the corrected auxiliary image by using dead zone distance restraint; by taking the target point region as a template, finding a matched target point on the searching range; and calculating a corresponding space point coordinate in a three-dimensional space by using the two corresponding target points on the main and auxiliary corrected images so as to obtain a distance from a space point in a certain distance range behind the vehicle to the vehicle. According to the obstacle ranging method for the rear dead zone of the vehicle based on the distance restraint, the disadvantages of delayed alarm, incorrect alarm and the like of service radar ranging can be avoided; a ranging range can also be expanded and dead zone information is enriched; the intelligent degree of the detection of the rear dead zone of the vehicle is improved.

An improved battery operated combination burglar alarm and door chime mounted to the inside of a door from where the alarm and chime modes are selected. A dead bolt slide cooperates with a jamb plate fastened to the door frame to manually arm the device from the inside with the door closed. Opening the door activates the dead bolt and sounds the alarm. A magnetically sensitive switch within the device cooperates with a magnet fastened to the jamb plate and further cooperates with a mode selection switch to effect either the chime mode or delayed alarm mode when the door is opened. The delayed alarm mode is activated with the door open to permit pre-arming the device followed by automatic arming of the device when the door is closed. Depending upon the alarm mode selected, unauthorized opening of the door can either lock the door from further opening and instantaneously sound an alarm to protect an occupied dwelling or sound an alarm after a predetermined time when the door has been fully opened to protect an unoccupied dwelling. A combination switch deactivates the alarm and chime modes. Other switches can alter the switch combination. A smoke detector may be integrated with the above.

A method of managing personal security allows a portable computing device to provide a user with a variety of automated security detection and responses. The portable computing device uses integrated hardware to assess an emergency situation from spoken distress cues, audible danger cues, medical distress cues, physical trauma cues, and manually-inputted cues. The portable computing device also provides the user with a variety of responses to the emergency situation, which include a contacting-help response, a supplemental-help response, a communal-help response, an immediate alarm response, a delayed alarm response, an informing response, an increasing-visibility response, and a decreasing-visibility response.

The invention provides a shield TBM posture deviation early warning method. The method comprises the following steps: S1, carrying out moving average filtering on shield TBM attitude parameter valuescollected in real time, and obtaining a filtering value time sequence X; s2, constructing an ARMA model, and obtaining a trend change rate Rt at the current moment; s3, according to the the current fuselage deviation angle and the fuselage deviation rectifying speed, obtaining the nose continuous deviation time trest; s4, obtaining a current trend value Tt in combination with the trend change rateRt at the current moment and the nose continuous offset time trest; s5, comprehensively comparing the current filtering value Xt + the current trend value Tt with a preset threshold Threshold1 to obtain an early warning state value St at the current moment; s6, according to the N-step delayed alarm strategy, obtaining the current alarm state and updating the current alarm state to a shield TBM operation interface. By means of the shield TBM attitude parameter filtering method, the shield TBM attitude deviation trend can be analyzed, deviation over-limit can be captured in advance, an alarm isgiven, moving average filtering is conducted on shield TBM attitude parameter values collected in real time, and noise and collection errors are reduced.

The invention discloses an entrance guard alarm device based on smart home. The entrance guard alarm device comprises a single-chip microcomputer, a matrix keyboard control module, an infrared alarm control circuit, an LCD liquid crystal display module, a keyboard locking module, a delayed alarm control circuit, a radio frequency recognizing module, a voice warning module, a passive infrared detector, a wireless transmission module and a remote terminal. The matrix keyboard control module is connected with a matrix keyboard installed on an antitheft door and used for inputting a password and driving a door magnetic valve on the antitheft door to open the door when the password is correctly input. When the password is input incorrectly three times or more, the single-chip microcomputer calls the keyboard locking module and locks the matrix keyboard. The entrance guard alarm device has the advantages that on the basis of hardware design of the single-chip microcomputer, the single-chip microcomputer serves as the core for the control circuit, other parts are controlled by the single-chip microcomputer to complete corresponding functions, the password input on the matrix keyboard is scanned by the single-chip microcomputer, and an electronic lock is driven to be opened when the password is correct.

The invention relates to a panoramic monitoring system in a mobile application support system. The panoramic monitoring system in the mobile application support system comprises a data acquisition system layer, a data cleaning system layer and a data analysis system layer, wherein the data cleaning system layer is respectively connected with the data acquisition system layer and the data analysissystem layer, and the data acquisition system layer respectively comprises an equipment software platform monitoring subsystem, an equipment operation data storage system monitoring subprogram and anequipment hardware system operation monitoring subprogram. According to the invention, unified monitoring and analysis of the mobile application background support system are realized; therefore, comprehensive whole-process detection of a software system and a hardware system during operation of the mobile communication electronic equipment is greatly improved, fault points can be efficiently detected and positioned, and meanwhile, the defects of fault missing detection, missed alarm, false alarm and delayed alarm which easily occur during operation of a traditional monitoring system are effectively overcome.

A reminding device for preventing a key from being forgotten to be pulled is characterized by comprising a magnetic device arranged on the key and a delayed alarm circuit arranged on a lock. An alarm sounder L1 is connected between a collector electrode of an audion N1 and a positive pole of a power supply. The installing position of a magnetic control trigger switch K1 on the lock meets the conditions: when the key is inserted into a lock cylinder hole of the lock in place, the magnetic control trigger switch K1 can be in an attracted state under the magnetic effect of the magnetic device, and after the key is pulled out of the lock cylinder hole of the lock, the magnetic control trigger switch K1 is reset to be in a disconnected state. The reminding device for preventing the key from being forgotten to be pulled has the advantages that installation is simple and convenient without change of an existing lock structure; the magnetic device on the key and the magnetic control switch on the delayed alarm circuit are utilized to trigger and close the delayed alarm circuit, the sensitivity is high, the operation is practical and convenient; the delayed alarm design is flexible, and the reminding device does not influence normal unlocking and counter locking, can timely remind an owner within two or three seconds after the key is forgotten to be pulled and is suitable for production and popularization.

The invention discloses a delayed alarm method for a direct current variable pitch motor. The method includes: a set step is that electric current loop set in an electric current loop control circuit is changed, and the maximum overload multiple, the maximum overload time and delay time of a time-delay program are set; an accumulative step is that when electric currents start to rise, an accumulated value of an accumulator starts to accumulate in a timing mode, and when the electric currents start to fall, the accumulated value starts to decrease until zero; a protection step is that after given electric currents reach the maximum overload multiple of rated currents and the accumulated value reaches the maximum overload time, the electric current loop control circuit decreases the given electric currents to the rated currents; a delayed alarm step is that within the delay time, the situations that the given electric currents keeps the rated currents constant, and the rotation speed of a direct current series excited motor is smaller than a zero-speed threshold value all along are judged; if yes, the output of an actuator is cut off and failure warning is alarmed; and if not, actions do not happen. According to the delayed alarm method for the direct current variable pitch motor, the production efficiency and the safety performance are improved.

The invention discloses an intelligent system for detecting the heart rate of a human body and a detection method thereof, and belongs to the technical field of health management. The detection method comprises a detection stage, a position identification stage, a judgment stage, an information transmission stage, a reminding stage and a rescue information sending stage, wherein S1: the detection stage comprises the following steps: arranging an infrared or direct microwave radar sensor in a toilet, and judging whether a vital sign target is in a current state of entering a detection area or not through a microwave radar signal; S2: the position identification stage comprises detection personnel position identification, regional water stain identification and regional dehumidification control; and S3: the judgment stage comprises detection personnel inclination angle judgment and detection personnel acceleration judgment. The intelligent system and the detection method thereof have the beneficial effects that a reminding module started by a processor can be removed through a key module, so that unnecessary panic of family members of a wearer can be avoided; and the system employs delayed alarm to reduce false alarm, employs an innovative radar algorithm to obtain human body vital sign signals, and can improve the accuracy of fall alarm.

The invention discloses a delayed alarm device. The delayed alarm device comprises an induction module, a power supply, a controllable switch module, a delayed switch module and an alarm module, wherein the input end of the power supply module is used for being connected with electric supply, and the output end of the power supply module is connected with one switch end of the controllable switch module; the other switch end of the controllable switch module is connected with the delayed switch module; the delayed switch module is connected with the alarm module; the output end of the power supply module is connected with the input end of the induction module and supplies power to the induction module; the output end of the induction module is connected with the control end of the controllable switch module to control the switch ends of the controllable switch module to be switched on or off, so that the technical problems of PCBA scrap caused by high temperature when the PCBA stays in a furnace for too long time and caused by board collision when the PCBA cannot be transmitted in time are solved; and when the PCBA board is transmitted normally, the controllable switch module is switched off and the alarm module is powered off.

The invention discloses a car door state detecting reminding device. The device is characterized by comprising a hall sensor module, an indicator light module and a magnet module, wherein the hall sensor module is connected with the indicator light module, the magnet module comprises a plurality of magnets, and the plurality of magnets are respectively arranged on a door frame. The car door statedetecting reminding device has the advantages that the detecting device circuit is simple in connection, the hall sensor module is adopted to collect signals, a NOR gate and an audion are arranged toachieve the collection and conversion of an electrical level, it is quick and effective to judge the car door state, the danger is reduced, a delayed alarm device is arranged, and the delayed alarm device can alarm in time after the car door is opened for a long time.

The invention discloses a delayed alarm protection method for an alternating current (AC) variable-pitch motor. The method includes the following steps: step one, a given current loop is changed in a current loop control circuit, a maximum overload multiple, maximum overload time and delayed time of a delayed program are set; step two, when current starts to increase, an accumulated value of an accumulator starts to record time to accumulate, and when the current starts to decrease, the accumulated value starts to reduce and is reduced to zero; step three, when given current reaches the maximum overload multiple of rated current and the accumulated value reaches the maximum overload time, the current loop control circuit reduces the given current to the rated current; and step four, whether the given current keeps to be the rated current in the delayed time is judged, whether rotation speed of a direct current series excited motor is always less than a zero-speed threshold value is judged, if yes, output of a driver is cut off, and fault warning is alarmed, and if not, no action occurs. The delayed alarm protection method for the AC variable-pitch motor enhances production efficiency and safety performance.

The invention relates to a nursing liquid flow rate adjusting device which comprises an infusion tube and a side adjusting device. A side branch tube is arranged on a side surface of the infusion tube, a fixing bottom ring is arranged at the tail end of the side branch tube, external threads are arranged on the outer wall of the fixing bottom ring, and an accommodating groove is formed in the inner wall of the side, which is far away from the side branch tube, of the infusion tube; the side adjusting device comprises an upper limit component, a speed adjusting insertion rod, an adjusting cushion ring, adjusting bolts and a compression spring. The nursing liquid flow rate adjusting device has the advantages that the nursing liquid flow rate adjusting device is reasonable in structure and convenient and easy to assemble, and batch production can be facilitated; the infusion rate can be adjusted in normal stage; medicines can be quickly administered in emergency states, compression damping of the speed adjusting insertion rod further can be adjusted, and quick medicine administration functions further can be disabled; excessive medicines due to quick medicine administration for long time can be prevented by delayed alarm.

The invention discloses a diesel fork lift truck parking safety control method. The method includes the following steps that the maximum parking gradient W with a power maintaining requirement is setfor a controller U; when a parking control module is in a parking state and a gear switching module is in an advancing / retracting state, the controller U compares the gradient v, detected by an anglesensor G1, of a diesel fork lift truck with the set value W, if v is smaller than W, the controller U controls a power maintaining relay K8 not to work, power output is cut off, and the controller U controls a delayed alarm device to work; and if v is larger than W, the controller U controls the power maintaining relay K8 to work, power output is not cut off, and the controller U controls the delayed alarm device to work. The method has the following beneficial effects that abrasion of a brake system can be reduced, and the service life of the brake system is prolonged; and meanwhile a slip condition can be reduced, and safety is improved.

A monitoring system is configured to distinguish between two types of alert rules—namely, invariant alert rules and variant alert rules—and to apply a different method of alert rule evaluation to each, wherein each alert rule evaluation method deals with the issue of latent data ingestion in a different way. By tailoring the alert rule evaluation method to the type of alert rule being evaluated, the system can apply an optimized approach for each type of alert rule in terms of achieving a trade-off between alert latency, alert accuracy, and cost of goods sold. In an embodiment, the system utilizes a machine learning model to classify a query associated with an alert rule as either increasing or non-increasing. Then, based on the query classification and a condition associated with the alert rule, the system determines if the alert rule is invariant or variant.

The invention discloses a detector for a fuel oil filter water level sensor. The detector comprises an indicator light, a wiring terminal, a display, a switch and an internal circuit module, wherein the indicator light, the wiring terminal, the display and the switch are arranged on an instrument panel. When the water level sensor is connected, the corresponding internal circuit module triggers a timer to display self-inspection time, an output voltage display displays the real-time output voltage of the water level sensor, and meanwhile the self-inspection time is kept all the time till the water level sensor is pulled up. After self-inspection is completed, the electrode of the water level sensor meets water, a counter used for displaying water-meeting delayed alarm time displays the water-meeting delayed alarm time, and the output voltage display displays the real-time output voltage of the water level sensor. In this way, various performance parameters of the water level sensor can be detected accurately and visually, and the performance parameters include the self-inspection time, the water-meeting delayed alarm time, the output voltage and current and the like; the problem that a self-inspection time judging mode by means of auditory sense before is not visual and accurate is changed thoroughly.

The invention discloses a multifunctional electric meter with a delayed alarm function. Aiming at the problems that the safety is low, the alarm effect is poor and the residual electric quantity cannot be refreshed in time, the following scheme is provided: the multifunctional electric meter comprises electric meter equipment, and the electric meter equipment comprises a hardware module and a control system which is arranged inside; and the control system comprises a communication module, a calibration module, a time delay module, a monitoring module and an alarm module, wherein the alarm module is connected with the monitoring module, the alarm module is further connected with the time delay module, a control chip is arranged in the control system, the communication module is connected with the control chip in the control system, and the control chip is also connected with the monitoring module, the calibration module, the delay module and the alarm module. According to the invention, the delayed reminding on the networked alarm module is started, the interface jumps to the functional area of the alarm of the mobile phone end, the specific time can be set to remind the user again, the reminding efficiency is high, and the use effect is better.

The invention provides a delayed alarm testing method and device, belonging to the technical field of train control center testing. The delayed alarm testing method comprises the following steps: simulating any fault signal, which does not influence safety, of a train, judging whether first alarm time of the fault signal exceeds delay time or not, and if so, giving an alarm about the fault signal,or if not, not giving an alarm about the fault signal; and when the fault signal appears again, judging whether the second alarm time of the fault signal exceeds the delay time or not, and if so, giving an alarm about the fault signal, and if not, not giving an alarm about the fault signal. According to a technical scheme of the invention, the scene that the fault signal alarm not affecting the safety occurs again can be taken into consideration, the consideration of the testing of the delayed alarm is more comprehensive, and a delayed alarm function can be tested accurately, so the effect ofthe delayed alarm test function in practical application is better; and the problems of low test accuracy of the delayed alarm and poor effect of the delayed alarm in practical application can be solved.