3716results about How to "Guarantee the safety of life" patented technology

The invention relates to fireworks and crackers producing, storing, transporting process dynamic monitoring system and method. The method is formed by supervising and monitoring center systems. It includes that real time collecting and dynamically displaying safe parameter and video information for the firework and crackers production field, band and transportation vehicle; dynamically display the safe parameter, position information, speed information for the transportation vehicle; classing early-warning, warning, processing for the safe parameter; statistical analysis for corporation safety condition; searching corporation monitoring information and warning processing; when the transportation happens accident, the monitoring server will start corresponding emergency beforehand. The invention can prevent large malignancy accident from happening in firework and crackers producing, storing, and transporting to protect people life and property better.

The invention discloses a method for implementing online tests of stream flow based on video images, and belongs to the technical field of non-contact open channel flow measurement. The method relates to a water flow tracing system, a water surface illuminating system, a video flow acquisition system, a camera calibrating system, an image processing system and a flow estimating system, trace particles are thrown in a flow measuring stream segment by the water flow tracing system, a camera shoots a water surface video stream, frames are extracted at fixed intervals and are processed digitally, the image processing system processes digital images according to ground control point coordinate information provided by the camera calibrating system, and finally, the stream flow is computed by the aid of the flow estimating system according to a flow rate and area method. By the aid of the method, complicity of stream flow measurement is reduced, simultaneously, high measurement precision can be guaranteed, and the stream flow can be dynamically monitored in extreme environments.

The invention discloses a system and a method for performing indoor and outdoor 3D (Three-Dimensional) seamless positioning and gesture measuring on a fire man. The system comprises a main control circuit board based on an STM32 (Scanning Tunneling Microscope 32) singlechip, a GPRS (General Packet Radio Service) data transmission module based on Sim-900, a GPS (Global Positioning System) module, a remote monitoring client side, an inertial navigation module I and an inertial navigation module II, wherein the main control circuit board is respectively connected with the GPRS data transmission module, the GPS module, the inertial navigation module I and the inertial navigation module II by virtue of serial ports; and the GPRS data transmission module communicates with the bound remote monitoring client side by utilizing a GPRS network. The system and the method can be used for realizing the indoor and outdoor 3D (Three-Dimensional) seamless positioning and gesture measuring for the fire man, accurately recognizing and judging the motion state of the fire man and meanwhile realizing the indoor and outdoor 3D seamless positioning for the fire man; aiming at the application occasion of the fire man, the system can be expanded to be provided with a poisonous gas sensor, a smoke sensor, a temperature sensor and the like, and has great significance in guaranteeing the life safety of the fire man working under a complex fire scene environment.

The invention discloses a machine vision-based fatigue driving pre-warning system suitable for a smart phone. The machine vision-based fatigue driving warning system comprises the smart phone which acquires the facial information of a driver through a camera and acquires the speed information, the acceleration information and the gravitational acceleration information of a current vehicle through a sensor information acquisition module, a fatigue detection module which judges the fatigue state of the driver by detecting an eye movement status and the change of head posture of the driver, a driver behavior analysis module which is used for modeling the driving status information of a user comprehensively, and comparing the model of the driving status information with a statistical analysis method model to assist the judgment for the current behavior status of the driver, and a pre-warning module which is used for comparing the fatigue detection result with the driving behavior analysis result comprehensively, and giving a fatigue alarm by a voice prompt. The driving behavior is analyzed automatically to form a data analysis library, and a mobile phone acceleration sensor is combined to judge the dangerous driving behavior of the driver.

The invention relates to a vehicle communication device, a road communication system and a method for generating communication signal, wherein the invention can provide a vehicle-vehicle communication device, vehicle-road communication device and a method for generating communication signal, to realize accidence alarm, belonging to the IST intelligent traffic technique, wherein said invention is formed by micro processor, radio receiver / sender, antenna, driving direction device, keyboard, distanced emitting, distance judgment, micro accelerator, accelerator / speed converting, sound alarm, and LED display; the communication signal is generated by the driving direction, road type and driving channel parameter; and the invention can automatically remotely test and display safe distance, speed difference, etc, and realize sound alarm.

The invention provides a safe protection system for a kid left in a car and a method thereof, and belongs to the technical field of vehicles. The invention solves the problem that technological detections in the prior art are not accurate enough. The safe protection system for the kid left in the car comprises a control unit, an acoustic sensor, a motion detector, an air conditioner controller, an engine ECU and a car door lock sensor, wherein the acoustic sensor, the motion detector, the air conditioner controller, the engine ECU and the car door lock sensor are connected with the control unit, and the control unit is further connected with a window lifting mechanism. The safe protection method for the kid in the car comprises the steps of detecting sounds inside the car when the car is in a parking state, and judging whether there is any kid in the car, controlling the engine to ignite and start up and controlling a gear of a transmission to be locked in a P gear or a neutral gear through the engine EPU when the kid is judged to be in the car, controlling the air conditioner to be subjected to refrigeration or heating through the air conditioner controller, controlling a car window to descend to a preset descending height through a car window lifting mechanism if a car door unlocking signal is not received within a preset time. The safe protection system for children staying in car and the method thereof can protect life security of the kid when the kid is forgotten and left inside the car.

The invention discloses an active control system and method of environment in a driving cab. The active control system comprises an information collection module, an execution module and a central controller, the information collection module comprises an environment air quality detection module, a driving cab air quality detection module and a wheel rotating speed sensor which are used for acquiring out-of-vehicle air quality, in-vehicle air quality and wheel rotating speed, the execution module comprises a window glass lifting system, an air conditioner control system, an alarming system and an air quality active optimizing system, the window glass lifting system is used for controlling lifting of windows, the air conditioner control system is used for controlling switching between inside circulation and outside circulation of an air conditioner, the air quality active optimizing system is used for generating negative ions and oxygen, the central controller is connected with the information collection module and the execution module and used for acquiring vehicle inside-outside air quality parameters and the wheel rotating speed collected by the information collection module and controlling the window glass lifting system, the air conditioner control system and the air quality active optimizing system to work.

The invention relates to a presplitting explosion method. A row of presplitting holes (3) with small diameters are drilled along designed excavation profile between the exploitation region and the boundary slope. Cushion holes (2) are designed parallel to the presplitting holes (3) and disposed between a main blast hole (1) and presplitting holes (3). The specific steps are as follows: a. determining parameters of the presplitting explosion holes, drilling; b. determining matched explosive load, loaded constitution, loaded ingredients, pack height and explosion initiation manner, implementing explosion. The invention is adaptive to explosion construction of highway cutting, large-scale hydropower station, metal mine exposed for long time. Integrality and stability of boundary rock mass are protected, occurrence of landslip is prevented, good and safe production environment is provided for mine, and good social efficiency and economic efficiency are provided.

The invention discloses an outdoor energy-saving controllable power supply device, which comprises a shell. A first sliding groove is arranged in the shell; a second sliding groove is arranged at the lower part of the first sliding groove in the shell; the right side of the second sliding groove is communicated with a third sliding groove; a slot is arranged at the bottom part on the right end surface of the shell; a fourth sliding groove is arranged in the upper end wall of the slot; a fifth sliding groove and a sixth sliding groove are symmetrically arranged at the left side and the right side of the top end surface of the shell; and a cushion is fixedly arranged in the middle of the top surface of the shell. The whole structure of the device is simple; the production cost is low; the operation is simple; operation among components is automatically controlled; power supply is safe and stable; the reliability is high; happening of electric shock accidents in the existing life can be effectively prevented; the life safety of people is ensured; the solar panel can automatically adjust the inclination angle according to requirements to meet different illumination angles; and promotion and use are facilitated.

The invention discloses a method for ranging deep learning obstacle based on binocular vision. Firstly, the binocular camera is calibrated to obtain the camera model parameters and the geometric positional relationship between the first camera and the second camera. Then the deep learning-based faster-RCNN network is used to determine the region where the detection target is located. The three-dimensional coordinates and distance of the target in space can be determined by knowing the coordinates of the target on the image and the relative position thereof between the binocular cameras. This method can realize obstacle detection and distance measurement in the visual blind zone behind the vehicle during the vehicle reversing process. It is only necessary to install the binocular camera model on the vehicle body, and detect the distance between the obstacle and the vehicle in the environment through the deep learning target detection algorithm and the camera model. The method for ranging deep learning obstacle based on binocular vision is fast, effective and easy to install. The needs of real-time detection of blind zones in vehicles can be met, so as to pre-alarm drivers to ensurethe life and property safety of drivers.

The invention discloses a method for predicting the remaining service life of complex equipment based on a combined depth neural network. The main steps are as follows: acquiring multi-sensor data ofcomplex equipment; Obtaining effective measurement data by feature selection; obtaining A plurality of slice samples by preprocessing; Establishing the neural network regression model which combines the attention mechanism and depth neural network; The slice samples and their corresponding labels are inputted into the neural network regression model to train the neural network regression model offline. inputting The slice samples of multi-sensor data to be predicted into the trained neural network regression model, and the remaining service life of complex equipment is obtained. Considering the data characteristics of the multi-sensor signal, the invention fully excavates the local characteristics and the time sequence information in the data, has high prediction accuracy and wide applicability, and can be widely applied to various pieces of complex equipment.

The invention discloses a tunnel structure monitoring system and a tunnel structure monitoring method based on a distributed long-gauge fiber bragg grating. The system comprises distributed long-gauge fiber bragg grating sensors which are comprehensively distributed in a monitored range along the axial direction and the cross section of a tunnel; and longitudinal sedimentation of the tunnel and change conditions of various ring joints of the shield tunnel are monitored. The method comprises the following steps of arranging the distributed long-gauge fiber bragg grating sensors; and acquiring, transmitting and processing data. By the tunnel structure monitoring system and the tunnel structure monitoring method based on the distributed long-gauge fiber bragg grating, full-life monitoring on a tunnel structure in a construction period and a running period can be carried out, and longitudinal sedimentation, convergence deformation, joint deformation, duct piece internal force, strain and the like of the tunnel structure are dynamically monitored in real time.

The invention discloses a smart home security system. The smart home security system comprises a vibration sensor, a door and window magnetic sensor, an infrared sensor, a smoke sensor, a temperature sensor and a gas sensor, wherein the vibration sensor, the door and window magnetic sensor and the infrared sensor are connected with a signal processing circuit A respectively; the smoke sensor and the temperature sensor are connected with a signal processing circuit B respectively; the gas sensor is connected with a signal processing circuit C; the signal processing circuit A, the signal processing circuit B and the signal processing circuit C are connected with a power line carrier communication circuit respectively; the power line carrier communication circuit is connected with a microprocessor; the microprocessor is connected with a keyboard, a camera, a driving circuit, a display, a communication device, a voice alarm circuit and an Ethernet respectively; the driving circuit is connected with a relay; the relay is connected with an electric bell; the communication device is connected with a remote controller. The smart home security system can meet needs of people on theft prevention, fire prevention and gas poisoning prevention, is free of mistaken alarm and has an on-spot snapshot function.

The invention discloses a swimming pool drowning alarm device which consists of a drowning detection device A, a handhold alarm device B and a computer data processing unit. The drowning detection device A is worn on the head of a swimmer, the handhold alarm device B is used by the lifeguard, the computer data processing unit C is used by the management personnel of the swimming pool. Under normal condition, the drowning detection device A sends signals to the handhold alarm device B and the computer data processing unit C at fixed time. When the head of the swimmer is immerged into the water, the drowning detection device A does not send any signal, a timing circuit of the drowning detection device A and the handhold alarm device B as well as the computer data processing unit C is started, the swimmer is judged as the drowning if the given time reaches and the swimmer still does not come out from water. At this time, the drowning detection device A flashes and flickers to display the position of the drowner, the handhold alarm device B and the computer data processing unit C make a sound-light alarm to remind the crowd around, the lifeguard and the management personnel of the swimming pool to implement rescue to the drowner.

The invention discloses a swimsuit type anti-drowning intelligent life jacket. The swimsuit type anti-drowning intelligent life jacket comprises a swimsuit type life jacket body, air bags, air tubes and an air storage bottle. The air bags and the air storage bottle are connected through the air tubes. The air bags, the air storage bottle and the air tubes are fixedly arranged on the life jacket body. Electromagnetic valves are arranged at the joints of a bottle opening of the air storage bottle and the air tubes. The life jacket body further comprises an intelligent controller. The intelligent controller is connected with a drowning induction switch on swim goggles through a wire. The intelligent controller comprises a single-chip microcomputer, a drowning inductor, a power module, a pressure sensor, a sound-light alarm, an electromagnetic valve controller, an operating display screen, a GPS positioning module and a satellite communication module or mobile phone communication module. The single-chip microcomputer controls the electromagnetic valves to be switched on according to time of the drowning induction switch immersed in water, and the air storage bottle inflates the air bags. Meanwhile, the sound-light alarm gives out sound and light, and the satellite communication module or mobile phone communication module sends rescue signals and geographic position information outside.

The invention discloses an easy-to-manipulate LED lamp, which includes a base installed in an indoor roof and an LED lamp mated with the base, and is characterized in that: a trapezoidal guide block is arranged on the top of the LED lamp, and the A locking block is arranged on the top surface of the trapezoidal guide block, and a power connector is arranged in the middle of the top surface of the locking block. Two locking cavities are symmetrically arranged on the left and right ends of the locking block. In the present invention, the LED lamp is locked It is firm, and the power supply is safe and stable. When installing, the LED light is locked while the LED light is powered on. When disassembling, the LED light is powered off and the LED light is unlocked at the same time. The whole device is easy to operate and greatly increases It improves the installation and removal efficiency of LED lights, effectively avoids electric shock accidents when installing and removing LED lights, and ensures the safety of staff.

The invention relates to a solar wearable calculation type human health monitoring cap. The solar wearable calculation type human health monitoring cap comprises a cap body and a health monitoring system. The health monitoring system comprises a micro-calculation processing work module, a human health module, an environment monitoring module, a multifunctional module, a communication module and a remote service module. The human health module, the environment monitoring module, the multifunctional module, the micro-calculation processing module and the communication module are all assembled on the cap body. The human health module, the environment monitoring module and the multifunctional module are all connected with the micro-calculation processing work module. The micro-calculation processing work module is connected with the communication module. The communication module is connected with the remote service module. A flexible solar cell is adopted, and the working runtime of wearable calculation type human health parameter monitoring equipment and system is achieved. Human health of a wearer can be conveniently, quickly, movably and remotely tracked and monitored in real time, and a reliable data analysis basis is provided for preventing or treating diseases.

The invention relates to an automatic labeling device in blood sample separation, which comprises a frame, a test tube rotating disk, a scanner, a single chip microcomputer, a printer, a label-delivering mechanism, a label paper tape, and a label paper stop block; the scanner collects bar code information on a blood sampling bag; the printer prints the collected bar code information on a non-setting adhesive label on the label paper tape; a plurality of test tube mounting holes are disposed on the test tube rotating disk; the label-delivering mechanism is provided with a guide roller, a tension wheel supporting the label paper tape, and a pressing wheel; the guide roller is driven by a motor to rotate and deliver the label paper tape; the label paper stop block is mounted near the edges of the test tube mounting holes. The invention integrates scanning, printing, positioning, and labeling, can ensure that the bar code information of a same blood sample is accurate and unique on each of the test tubes during blood sample separation and reservation, thus effectively ensures the safety of blood transfusion, and ensures the life safety of a blood receptor. The invention has reasonableconstruction and convenient operation, and is especially applicable to disposable blood sample separation.

The invention discloses a wearable type somatosensory control mechanical arm. The wearable type somatosensory control mechanical arm comprises a mechanical arm body, a wireless terminal data processing and transmitting system, a human body arm posture data collecting system and an arm control end data processing and transmitting system. The mechanical arm body is connected with the wireless terminal data processing and transmitting system, the human body arm posture data collecting system is connected with the arm control end data processing and transmitting system, and the arm control end data processing and transmitting system is in data communication with the wireless terminal data processing and transmitting system through wireless signals. The mechanical arm control scheme for directly controlling the mechanical arm body through the human body arm somatosensory can be applied to the industrial control field, the defect of a traditional mechanical arm control scheme is avoided, and rapid and effective control can be efficiency carried out through the human body.

The invention relates to a fire self-rescuing high-speed life device controlled by micro computer, which can be controlled without wire. The device comprises host computer component, at least a hand-hold wireless remote controller, falling load device and sling component, wherein the host computer component is set at the special life port of building or in the refuge safe room and is connected with the building. The hand-hold wireless remote controller is taken by escaping man or escaping man, escort and ground meeting man all take hand-hold wireless remote controller. The falling load device is connected with the host computer component. The sling component is connected with the falling load device and the host computer component respectively. The device also comprises an air locator, which control the air location of falling load device and the distance between the falling load device and the building outer wall. The air locator is connected with the falling load device and is communicated with the hand-hole wireless remote controller without wire. The device can be controlled by escaping man or escaping man and ground rescuing man. It can control falling speed and space location. It is provided with fire proof and collision prevention performance and safe and reliable use.

The invention provides concrete integral pouring construction method and device for a road inspection well. The method comprises advance constructions and post constructions, wherein the advance constructions comprise the following steps of: measuring and paying off; excavating a wellhole; pouring a reinforced concrete foundation bottom and building a wellhole protection wall; connecting pipelines; building a well chamber; mounting a tread; backfilling well perimeters; reserving a branch pipe; building a close up section; mounting a cover plate; building the wellhole; covering and protecting; backfilling cement and stone dust to the well perimeters; and constructing a pavement basic layer. The post constructions comprise the following steps of: excavating the pavement basic layer covered on the wellhole to expose the wellhole, dismantling the cover plate and excavating a concrete foundation pit by using the wellhole as a center, wherein the radius of the excavated foundation pit two times larger than or equal to that of the wellhole; laying reinforcing steel bars in the foundation pit and supporting an inner mold in the wellhole; overhanging a well cover on the wellhole by a fixing bracket overhanging device; adjusting the altitude of the well cover; pouring concrete into the foundation pit and keeping the height of the concrete parallel to the bottom of the well cover; building the perimeters of the well cover into a cement slope by concrete; carrying out acceptance checks; paving a bituminous pavement on the perimeters of the well cover and keeping the bituminous pavement parallel to the well cover.

The invention discloses a stress-gradient-based method for dividing a coal impact ground pressure danger area. The method comprises the following steps: collecting geological data; simulating a mining value; calculating stress space distribution data and stress time distribution data; dividing an impact danger area; simulating the divided impact danger area according to the above values after a working surface is mined, monitoring stress of the area on line in real time to obtain a stress filed of the monitoring area, repeating the above steps, collecting geological data, dividing, forecasting and early warning the impact ground pressure danger area according to stress data. According to the stress-gradient-based method for dividing the coal impact ground pressure danger area, an impact ground pressure is forecasted and early warned due to a coupling relation existing between the stress gradient of the area and the coal rock impact damage condition; the impact danger area is divided according to the abnormal stress gradient; the method is strong in applicability and high in accuracy, is capable of accurately forecasting and early warning the impact ground pressure danger area and ensuring the property safety of mine and the life safety of workers, and has great significance to the coal mine safety.

The invention provides a detection method for the design of a grounding grid of a substation, which includes the steps: building a boundary element model of the grounding grid; obtaining impedance characteristics of a grounding grid conductor; computing the grounding resistance of the grounding grid according to the impedance characteristics of the grounding grid conductor and the built boundary element model; obtaining total fault current and current divider coefficient of the grounding grid; determining the quantity of potential rise caused by the grounding grid according to the total fault current, the current divider coefficient and the grounding resistance of the grounding grid; and adjusting equipment parameters corresponding to the grounding grid according to the quantity of potential rise caused by the grounding grid. The invention further provides a detection device for the design of the grounding grid of the substation, which can be used for increasing the accurate rate of the grounding resistance of the grounding grid of the substation, increasing the accurate rate of the quantity of potential rise caused by the grounding grid and ensuring safety of staff and normal power transmission.

The invention discloses a road traffic guardrail capable of buffering and absorbing impact. The road traffic guardrail is characterized by comprising fastening pieces; each fastening piece is provided with two ends and a connecting part used for connecting the two ends, wherein the two ends are used for applying force to an upper horizontal column or a lower horizontal column; power is transmitted to the connecting part from the two ends; and the upper horizontal column or the lower horizontal column is subjected to the force and moves relative to a corresponding round tube stand column, so that the upper horizontal column or the lower horizontal column is fixed to the round tube stand column. The road traffic guardrail capable of buffering and absorbing impact is simple in structure; the fastening pieces are adopted for fixing the upper horizontal column and the lower horizontal column; on the one hand, the fastening pieces are high in strength and guarantee the anti-impact performance of the upper horizontal column and the lower horizontal column, on the other hand, the upper horizontal column and the lower horizontal column can move relative to the round tube stand columns only by applying force to the connecting parts of the fastening pieces in the mounting process, and therefore, fixation is achieved; mounting is convenient and fast, and the labor efficiency is greatly improved; and at the same time, a smaller number of screw rods are used, and the production cost is lowered.

A cleaning and maintenance robot for high-rise buildings comprises a robot body. The robot body is composed of an upper fixing plate and a lower fixing plate, a robot head is installed at the front end of the robot body, a storage box, a rechargeable battery and a dust collector box are installed at the top of the robot body, an electric cleaning brush is installed at the bottom of the robot body, a dust collector head is installed on the rear bottom face of the robot body and connected with a dust collector box through a pipeline, and a plurality of mechanical legs are installed at the bottom of the robot body. The cleaning and maintenance robot for high-rise buildings can replace the manual work of cleaning and maintaining outer-layer curtain walls of high-rise buildings, relieve the manual labor intensity and guarantee the personal safety of workers, large safety protection equipment is not needed, and the workload can be reduced; moreover, multiple robots can be arranged to cooperate, working sections of all the robots are distributed through a wireless communication module, and thus working efficiency can be improved.

The invention discloses an embedded-type power supply apparatus. The embedded-type power supply apparatus comprises a cover groove formed in the upper surface of a floor and a return groove which is formed in the wall of the right side of the floor and parallel to and connected with the cover groove; a cover plate is arranged in the return groove glidingly left and right; two power supply socket holes used for allowing plugs of power utilization equipment to be inserted are formed in the bottom end plane of the cover groove symmetrically left and right; a first power supply sliding groove is formed in the floor; a driving groove connected with the first power supply sliding groove is formed in the wall of the right side of the floor; and the top of the driving groove is connected with theleft side of the return groove, and a second power supply sliding groove is formed between the driving groove and the first power supply sliding groove. The power supply apparatus is arranged in the floor and the wall, so that the existing space can be greatly reduced; and in addition, the power supply apparatus provided by the invention is simple in overall structure, convenient to use and operate, and safe and stable in power supply, and capable of greatly reducing electric shock accidents in the existing life and effectively ensuring life safety of people, and is suitable for popularizationand use.

The invention discloses a system and method for supervising maintenance of an elevator device. The system comprises a human-computer interaction device, a data acquisition device, a wireless data transmission device and a remote monitoring platform, wherein the human-computer interaction device comprises an identity recognition device and a storage device; and the remote monitoring platform comprises a database server. The method comprises the following steps of recognizing identities of maintenance personnel or annual survey personnel; recording maintenance operation into maintenance record or annual survey record; and storing the maintenance record or the annual survey record into the storage device and the remote monitoring platform on the elevator device. By recognizing the identities of maintenance personnel or annual survey personnel and storing the maintenance record or the annual survey record into the storage device and the remote monitoring platform on the elevator device, effective supervision on the maintenance operation can be performed, potential safety hazards of the elevator device can be eliminated timely, and life security of people taking the elevator device is ensured.

The present invention discloses a fire experiment device based on a city underground comprehensive pipe rack. The pipe rack comprises a left side pipe rack and a right side pipe rack; a water supply pipeline is arranged on the ground of the left side pipe rack through a pipeline support; a high electric cable and a weak electric cable are respectively arranged at two sides of the left side pipe rack through an insulation support; a camera and an illumination lamp are installed at the top of the left side pipe rack; a drainage ditch is arranged at the bottom of the left side pipe rack; a gas pipeline is arranged on the ground of the right side pipe rack through the pipeline support; a camera and an illumination lamp are installed at the top of the right side pipe rack; and a drainage ditch is arranged at the bottom of the right side pipe rack. The fire experiment device comprises a transverse ventilation control system, a simulation fire source system, a fire detection system, a water mist fire extinguishing system and a water spray fire extinguishing system. The fire experiment device based on a city underground comprehensive pipe rack can simulate the city underground comprehensive pipe rack fire experiment so as to provide scientific reference for underground comprehensive pipe rack control and optimization, power-on electric wire propagating, fire detection and fire extinguishing.

The invention discloses a protection device and method for children taking an elevator. The protection device comprises a determining mechanism and a protection mechanism. The determining mechanism is arranged on a car to be used for determining whether persons entering the car are children. The protection mechanism is electrically connected with the determining mechanism and a car control system, and the determining mechanism instructs the protection mechanism to enter a working state when determining that the persons entering the car are children; the protection mechanism can instruct the car control system to ignore an in-car operation instruction and an out-of-car calling instruction when determining that the persons in the car are all children who are not suitable for taking the elevator independently, and an elevator car door is opened after a specified period of time through specific time. By means of the protection device and method, accidents caused by the fact that children take the elevator without accompany of adults are effectively prevented, and life safety of the children is guaranteed.

The invention relates to the field of rescuing fire fighting trucks, in particular to a bidirectional-traveling road-rail dual-purpose multifunctional emergency rescuing fire fighting truck. The bidirectional-traveling road-rail dual-purpose multifunctional emergency rescuing fire fighting truck comprises a truck frame and road traveling bridges connected to the truck frame, and further comprises rail traveling systems, each rail traveling system comprises an upper rotation base, a lower rotation base and a swinging arm, the upper rotation bases are fixedly connected with the truck frame, the lower rotation bases are connected with the upper rotation bases in a rotatable mode, and one ends of the swinging arms are hinged to lower landing legs of the lower rotation bases. According to the bidirectional-traveling road-rail dual-purpose multifunctional emergency rescuing fire fighting truck, wheel pairs have the rotation characteristic, compared with the conditions that in the prior art wheel pairs are pressed through a rail to carry out steering, and reverse braking is achieved through a driving system, a braking mode of the bidirectional-traveling road-rail dual-purpose multifunctional emergency rescuing fire fighting truck is not limited by the 40-Km / h truck speed any more, the speed is one time higher than that of a conventional road-rail truck, and the emergent and rapid requirements during fire rescuing can be met.