208results about How to "Avoid panic" patented technology

The invention provides a three-dimensional (3D) head-mounted display. The 3D head-mounted display comprises an image displaying component, an optical imaging system, an optical adjustment component, an audio transmission component, a camera module, a control module and an eyeglass type casing. The 3D head-mounted display is characterized in that the control module is respectively connected with the image displaying system, the audio transmission component and the camera module; the optical adjustment component is connected with the optical imaging system; the relative position of optical glasses of the optical imaging system can be adjusted through the optical adjustment component; and the camera module is connected with the image displaying component through wired connection. The 3D head-mounted display can be suitable for human engineering to a maximum measure, can protect the eyes from being fatigued, and can be used for displaying 3D stereoscopic video and common 2D video and be suitable for more people; and through the switchable performance of the camera module, the 3D head-mounted display is more humanized, and can prevent users from feeling panic caused by confining for a long time.

The invention discloses a vehicle security risk warning and accident reconstruction system and method of big data processing. The system comprises a vehicle-mounted video terminal and a cloud big data processing platform, all kinds of parameters, video images, voice information and the like of vehicle operation are analyzed by the big data processing platform in the background to provide effective information for accident authentication, driving behaviors of drivers, vehicle conditions and the like, and provide a novel method for confirmation of responsibility, vehicle improvement, traffic management and the like. The system is a research and development system of a key common technology based on cloud computing, collected videos are encoded in an H.264 manner, stored locally and are circularly covered, and after an abnormal driving behavior is detected, video data within 10-30 seconds before and after the time point are transmitted to a service system for accident analysis and reconstruction. The system solves the vehicle driving security risk problem and provides a vehicle security public service platform.

The invention discloses a fire video detection and early warning method based on image multi-feature fusion, and the method comprises the steps: firstly carrying out the preprocessing after an image sequence of a video is obtained; extracting a foreground region, and obtaining a detected candidate region; secondly, extracting static features and dynamic features from the candidate areas, judging whether flames are contained or not by taking the static features and dynamic features as input of an SVM classifier when the flames are detected, and obtaining whether smoke is contained or not afterlogic combination selection and calculation are conducted on feature judgment results when the smoke is detected; finally, if it is detected that flames or smoke exists, carrying out fire judgment according to the growth trend of the flames or smoke; when it is judged that a fire occurs, carrying out fire alarm on the monitoring site, and otherwise carrying out fire alarm only on the background. The method can be combined with an existing monitoring system to be applied to places such as shopping malls and warehouses, the fire detection and early warning cost is reduced, the detection method is good in generalization ability and applicability, reliable fire detection and early warning functions can be provided, and the method has practical value.

The invention discloses a path planning system and method for overtaking a vehicle on an adjacent lane in a single-lane automatic drive mode. The system comprises a camera, a millimeter-wave radar unit, a central decision-making module and an actuating mechanism. The millimeter-wave radar unit is used for detecting whether there is a vehicle or not in the lane adjacent to the own vehicle; the camera is used for obtaining lane line information of the own vehicle, when the millimeter-wave radar unit detects that there is a vehicle ahead in the adjacent lane, the lane line information of the own vehicle is combined with the information detected by the millimeter-wave radar unit, and position information of the vehicle ahead in the adjacent lane is recognized, and the camera is connected with the millimeter-wave radar unit; the central decision-making module plans a running path according to the lane line information of the own vehicle and the position information of the vehicle ahead in the adjacent lane, and the central decision-making module is connected with the camera and the millimeter-wave radar unit; and the actuating mechanism conducts automatic driving according to the running path given by the central decision-making module and is connected with the central decision-making module. By the adoption of the system and method, traffic safety is guaranteed, and comfort is improved.

The invention discloses an intelligent water cup which comprises a cup lid, a cup body and a cup bottom, wherein the cup lid is provided with a storage area for storing tablets; an intelligent control system is embedded on the cup body and comprises a control chip; the control chip is connected with a display module for displaying time, a key module, an alarm module, a communication module and a storage module; the display module is arranged on the surface of the cup body; the key module comprises a minute regulation button, an hour regulation button, an emergency alarm button and an information feedback button; when the control chip receives an output signal of the information feedback button, the control chip sends a start signal to the communication module; the communication module sends a 'medicine-taken signal' to a doctor or family; when the control chip receives an output signal of the emergency alarm button, the control chip sends a start signal to the communication module andthe alarm module at the same time; the communication module sends an 'emergency signal' to the doctor or family; and the alarm module starts an alarm sound.

The invention relates to a safety protection method for a lithium ion battery electric vehicle. The safety protection method mainly comprises a two-stage response mode, wherein the first-stage response is rapid cooling during abnormal heat production and temperature rise of a lithium ion battery, and the second-stage response is efficient fire extinguishing and cooling during thermal runaway of the lithium ion battery. The first-stage response and the second-stage response adopt the same hardware design and mainly comprise a pump set, a spray nozzle, a refrigerant, a temperature sensor, a CO sensor, a control unit and the like. The method is designed on the basis of a battery pack of the lithium ion battery electric vehicle, and multi-level and all-around protection can be carried out on battery safety through cooling before thermal runaway, fire extinguishing during thermal runaway and cooling after fire extinguishing according to different characteristics in the inoculation and development process of thermal runaway of the lithium ion battery.

The invention provides an electric automobile overspeed protection control method, an electric automobile overspeed protection control system and an electric automobile. The electric automobile overspeed protection control method comprises the steps as follows: Step 1), monitoring the current rotational speed N and the current vehicle speed V of a motor; Step 2), judging whether the current rotational speed N is greater than a preset protective rotational speed N1, if so, executing the Step 1), and otherwise, executing Step 3); and Step 3), obtaining overspeed protection torsional moment Tq_regens according to the current rotational speed N and the current vehicle speed V of the motor, and controlling the motor to decrease the speed based on the overspeed protection torsional moment Tq_regens. The electric automobile overspeed protection control method supplies reverse torsional moment to the motor for decreasing the rotational speed of the motor when the current rotational speed of the motor is over high, so that the problem that when the electric automobile travels on a downs slope, particularly travels on a long down slope or travels on a down slope via stepping an accelerator pedal, the rotational speed of the motor is increased along with the increasing of the vehicle speed due to the action of gravity, is solved, and further, the normal traveling of the electric automobile is ensured.

The invention discloses a fireproof alarm system for intelligent buildings, and belongs to the field of fire safety. The technical scheme point thereof comprises a detection module, an early warning module, an alarm module, a person recognition module and a central control module. The detection module detects the temperature and the smoke concentration situation in a security area, the detection module controls the early warning module to perform small-range alarm on a detected area and collects image information of the detected area when a suspected fire occurs, and the detection module controls the alarm module to alarm all areas and collects images of all areas when the fire is detected. The person recognition module transmits an image where someone may exist in the image information toa central processing module. The central processing module displays the image information, and the staff controls the other modules according to the image information through the central processing module, thereby solving the problem that the suspected fire in the security area is difficult to deal with, and achieving the effect that the staff correspondingly responds through the image information.

The invention relates to the technical field of vehicle damage assessment, and discloses a method and a system for assisting rapid damage assessment in a slight traffic accident, and the method comprises the steps: receiving a driving data sequence collected and sent by a vehicle-mounted information terminal after a vehicle-mounted device senses a collision, and receiving a picture of an accidentsite; Matching a corresponding vehicle brand and model in a preset vehicle information base according to the driving data sequence; Identifying a vehicle part to which the collision position belongs from the accident scene picture; Matching the replacement price of the vehicle part to which the collision position belongs in a preset vehicle part replacement price library according to the vehicle brand and model and the vehicle part to which the collision position belongs, and calculating the total replacement loss; And matching vehicles of two accident parties in the same traffic accident by utilizing the position of the vehicle and the accident occurrence time point, generating a slight traffic accident loss report and sending the slight traffic accident loss report. According to the method, the loss of the two vehicles can be quickly judged in the first time after a slight traffic accident, so that the two private vehicles do not compete for compensation money and stay on the scene for a long time.

The embodiment of the invention discloses a Bluetooth headset main and auxiliary ear switching method and device, equipment and a medium. The method comprises: establishing a communication connectionbetween a main headset and an intelligent terminal and communication connection between the main headset and an auxiliary headset; When it is detected that the main earphone cannot continue to communicate with the intelligent terminal and the auxiliary earphone meets the condition of communicating with the intelligent terminal, switching the auxiliary earphone to the main earphone so as to communicate with the intelligent terminal through the auxiliary earphone, Wherein before the operation of switching the auxiliary earphone to the main earphone is executed, a preset switching reason voice prompt is played to inform a user of switching the auxiliary earphone to the main earphone. By adopting the technical scheme, the Bluetooth headset has the advantages that the practicability of the Bluetooth headset is improved, the user can be informed of the switching event in time, the user knows the execution behavior of the headset in real time, the user is prevented from terrorism caused by the fact that the user cannot use the headset normally in the switching process, and the user experience is improved.

The invention provides a safety device which can directly prevent a vehicle from running a red light or being overspeed and can effectively prevent accidents from occurring. The safety device comprises a sub-device which is used for preventing the vehicle from being overspeed, a sub-device which is used for preventing the vehicle from running the red light, and a central processing unit, wherein the two sub-devices are electrically connected with the central processing unit; the sub-device which is used for preventing the vehicle from being overspeed comprises a plurality of rolling units, a vehicle speed detection device and a voice reminding device; each rolling unit comprises a roller, a supporting frame, a ratchet, brake calipers and pawls, the two ends of the roller are roller heads, the roller heads are respectively connected with the supporting frame through bearings, one roller head of the roller is connected with the ratchet, the pawls are installed on the periphery of the ratchet and the brake calipers are installed on the two sides of the ratchet; the sub-device which is used for preventing the vehicle from running the red light also comprises rolling units, the central processing unit is electrically connected with a traffic light signal center and the central processing unit is simultaneously and electrically connected with the brake calipers; the vehicle speed detection device and the voice reminding device are electrically connected with the central processing unit.

The invention relates to a medical dropper capable of giving an alarm and automatically switching infusion bottles. The infusion bottles are hung on a main body infusion bottle rack, the upper end of each infusion apparatus is connected with an infusion bottle opening, the lower end of each infusion apparatus is connected with an infusion tube, a sensing element is arranged on an outlet in the lower end of each infusion apparatus, and thus whether liquid passes through the inside of each infusion apparatus or not can be detected. An alarm lamp and a switch are arranged on the main body infusion bottle rack, a controller is arranged inside the main body infusion bottle rack, signals of the switch and signals of the sensing element are input to the controller, and the controller outputs the signals to the alarm lamp and traction devices. One ends of a plurality of hollow supporting tubes are fixed on the main body infusion bottle rack to be called supporting tube near ends, the traction devices are arranged in the supporting tubes, and one traction device is matched in each supporting tube. The infusion tubes below the sensing elements are placed between valves and the traction devices, the traction devices move to drive the valves to move, and accordingly the infusion tubes are controlled to be pressed to be disconnected or be connected. One novel infusion bottle can be switched automatically when dripping liquid is to be used up, the alarm can be given when all infusion comes to an end, so that time and labor are saved, and patient panics due to the fact that the infusion bottles are not replaced in time are avoided.

The invention discloses a position monitoring method and system. The position monitoring method includes the following steps: request equipment sends position request information to wearable equipment; the wearable equipment performs positioning of a user position, thereby obtaining positioning information; uploading the positioning information to a server; proofreading is performed on the positioning information with a preset position; when the positioning information is not in the preset position range, the positioning information is sent to monitoring equipment and a confirmation signal is requested; when the confirmation signal of the monitoring equipment is received within a predetermined time, the positioning information is sent to the request equipment; and if the confirmation signal of the monitoring equipment is not received within the predetermined time, an alarm signal is generated and the positioning information and the alarm signal are sent to the request equipment at the same time. Through the abovementioned method and system, a requester can learn accurate position information of a user, and particularly when the position information is different from what the requester foresees, verification can be given through the confirmation information of a supervisor or reminding can be given through the alarm signal.

The invention relates to microalgae expression vectors and a method for producing astaxanthin by using beta-carotene ketolase (BKT) and beta-carotene hydroxylase (CHYB) in transgenic microalgae. Particularly, the invention relates to the construction of the microalgae expression vectors, the microalgae expression vectors containing the BKT and CHYB, microalgae containing the microalgae expression vectors, the method for producing the astaxanthin by using the BKT and CHYB in the microalgae, a method for preparing the transgenic microalgae for producing the astaxanthin by using the microalgae expression vectors, application of the microalgae expression vectors to the preparation of the transgenic microalgae, and application of the microalgae expression vectors to the production of the astaxanthin.

The invention discloses an intelligent early warning device for high-altitude falling objects, and relates to the technical field of safety early warning. The device comprises trigger devices, alarm devices, a detection device, a speed measurement positioning device and a central processing unit, the trigger devices are installed in a side road of a building, the distance between the installationposition of each trigger device and the building is ten meters, the alarm devices are mounted at the top of the side wall of the second-floor of the building; and the four trigger devices and the fouralarm devices are evenly distributed around the building. The detection device and the speed measurement positioning device are both installed at corners of a building. The detection device and the speed measurement positioning device are sequentially and alternately distributed according to the number of building floors. According to the high-altitude falling object early-warning system, the falling position of the high-altitude falling object is early warned in advance through projection of a beam lamp, pedestrians can be guided to evacuate and avoid in time, the early-warning range is wide, regular maintenance is not needed, meanwhile, the false triggering probability of the warning process can be reduced through the detection device and the speed measurement positioning device, and the early-warning accuracy is improved.

The invention provides a single-chip microcomputer system clock frequency control method. According to the method, after a single-chip microcomputer system is powered on and started, the single-chip microcomputer system is controlled to operate under a low clock frequency; after operating voltage of the single-chip microcomputer system stabilizes, the system is controlled to operate under a normal clock frequency. System disorder and crash caused by sudden voltage drop caused by short-term excessively-high current consumption during the startup process is avoided effectively, and startup power consumption is reduced and cut effectively. The invention further provides a single-chip microcomputer system clock frequency control system.

The invention discloses an intelligent guide method for movie theater audiences. The method comprises the following steps that 1, an LED floor lamp is arranged; 2, the floor lamp is arranged on a seat on one side of a longitudinal channel of a movie theater studio; 3, LED light sources and pyroelectric human infrared sensors are obliquely arranged towards the channel ground, and light rays emitted by the LED light sources irradiate into the channel; 4, when audiences pass through sensing areas of the pyroelectric human infrared sensors, the sensors are triggered to give electric pulse signals and carry out counting, the LED light sources are turned on through control circuits to project light rays to the faced channel ground, audiences can see channel ground conditions, characters or marks, step missing, fettering and crowding are avoided, and audients are guided to accurately and rapidly find specific seats; and 5, after audients leave the sensing areas, the LED light sources are gradually turned off. The invention further provides an intelligent guide device implementing the intelligent guide method for movie theater audiences. The intelligent guide method and device can be widely applied to intelligent management of movie theaters.

The invention discloses a safety monitoring system used for the mining industry. The safety monitoring system comprises a methane concentration sensor, a dust concentration sensor, an oxygen concentration sensor, a carbon monoxide concentration sensor, a hydrogen sulfide concentration sensor, an image sensor, a central processing unit, a wireless communication module and an alarming system, wherein the methane concentration sensor, the dust concentration sensor, the oxygen concentration sensor, the carbon monoxide concentration sensor, the hydrogen sulfide concentration sensor and the image sensor are all electrically connected with a data acquisition module; the central processing unit is electrically connected with a remote monitoring terminal and a wireless service terminal respectively through the wireless communication module; the central processing device is electrically connected with the alarming system through a safety crisis grading module. Crisis signals of accidents are sent to mobile phones of workers in time according to different alarm grades, so that the workers can learn about crisis information in detail and make optimal choices, and the flexibility of the monitoring system is improved.

The invention discloses an intravenous drip injection monitor. A weight sensor, a wireless signal transmitting device and a buzzer are respectively, correspondingly and electrically connected with a control circuit board integrated with a CPU control system, the handle end of a hook movably penetrates through the lower end of a shell and is fixedly connected with the weight sensor, the hook end of the hook is used for hanging an injection bag, the weight sensor detects the weight information of the injection bag and transmits a signal to the control circuit board which analyzes and processes the received signal and transmits the signal to the wireless signal transmitting device, the wireless signal transmitting device transmits the received signal out through a wireless communication protocol, and the control circuit board analyzes and processes the received signal and controls the buzzer to work. According to the invention, the drip progress is grasped in real time by utilizing a weight sensing technology and the drip progress is transmitted to any device capable of receiving or transferring a wireless signal by a wireless communication technology so as to intelligently monitor all dip processes in a hospital and prompt corresponding nursing staff to work in an appropriate time; and the intravenous drip injection monitor is safe and reliable to use.