127results about How to "Safe evacuation" patented technology

The invention relates to a fireproof door used on a building. The fireproof door comprises a door frame and door plates which are respectively arranged at two sides of the door frame. The fireproof door is characterized in that the door plates are respectively glued with the door frame through bonding layers and nailed with the door frame through connecting members, and at least one side of the door plates is a counter-fire side and is a fireproof plate. The invention has the outstanding substantive characteristics that 1, at least one door plate is the fireproof plate, so that a flame retardant purpose is achieved; 2, the door frame, door mullions and an unexposed side are made of flame retardant materials and cannot spontaneously ignite at a relatively higher temperature, and the fireproof effect of the fireproof door is further improved; 3, a heat insulating layer is filled in a cavity formed by the two door plates, the door frame and the door mullions, which is favorable to reducing the high temperature of the counter-fire side, transferring the heat of the counter-fire side to the unexposed side, preventing the temperature from gradually raising and promoting flame retardant wood to lie in an environment below the spontaneous ignition temperature as much as possible; and 4, a metal layer is also arranged on the outer side of the counter-fire side, and deformation phenomena which are caused as different parts of the door plates lose different contents of water are avoided.

The invention is suitable for the field of fire safety, and provides a fire control emergency evacuation method and system. The fire control emergency evacuation method comprises the following steps: parameters set by a user according to a planar structure drawing of a building are received and stored; a fire warning message transmitted by a fire detector is received, the location information of a fire spot is determined according to the unique identifier of the fire detector, and information of crowds at the fire spot or fire size information or fire diffusion rate information or wind direction information or other information influencing the state of passageways in the building is obtained; according to the obtained information, the state of the passageways in the building is determined, wherein the state is 'available' or 'unavailable'; according to parameters of the passageways in the building, optimal paths from exits of the passageways in the 'available' state to an emergency exit are obtained, and the indication direction of indicator lights on the optimal paths is controlled. The fire control emergency evacuation method and system can effectively solve the problems that in the prior art, pre-arranged plans conflict with the conditions of the scene of a fire and the conditions of the scene of the fire are difficult to meet for the pre-arranged plans, thereby being high in practicability.

A brake unit that allows the vehicle to evacuate safely in the event of brake failure while maintaining a braking performance. The brake unit is mounted on a vehicle together with a motor drive unit 2 to control brake force in accordance with a stroke of a brake pedal and a pedal force. Each brake system comprises: a stroke sensor; a pedal force sensor; a brake mechanism applying brake force to a driveshaft; a controller controlling the brake mechanism based on the stroke and the pedal force; and a powersource supplying electricity to the brake mechanism and the controller. The first controller 13 and the second controller support each other to control brake force.

The invention discloses a high-rise building urgent safety escape device which comprises a main escape track installed on the outer wall of a high-rise building and a plurality of cassette mechanisms of the escape device, wherein, the main escape track is divided into a plurality of escape branch tracks that are installed on all the floors, and the cassette mechanisms of the escape device can slide on the escape branch tracks and the main escape track and can utilize friction force to adjust the sliding speed; each of the cassette mechanisms of the escape device is provided with a hitching hole of the cassette mechanism which is connected with safety escape clothes that can be rapidly worn in a detachable way; by using the escape tracks, the people can directly slide down to the bottom of the building from the places such as a balcony, a window or the like of each floor, and the departure time is short; as the escape tracks are arranged on the outer wall of the building, the people are prevented from being affected by smoke and dropping matters when in emergency and can safely escape; the cassette mechanisms of the escape device is provided with brake sheets which can control the slip velocity, and a damping spring used for reducing the slip impact is arranged at the end of the bottom of the main escape track, thus being fast and safe in evacuation.

The present invention relates to a fault diagnosis apparatus for a brake of a train, an automatic train operation system operated due to degradation of braking performance using the same, and a fault diagnosis method for the brake of the train. In particular, the present invention is directed to determining that a fault has occurred in the brake when the difference between the current acceleration of the train and the required acceleration is greater than or equal to a reference value and safely moving the train to a stopping point through a powering operation or coasting operation such that emergency braking is not applied by an automatic train protection (ATP) system if the fault has occurred in the brake. When a fault occurs in the brake of the train, the train is automatically operated such that emergency braking is not triggered by an ATP system.

The invention discloses an emergency short message notification method for a metro accident. The method comprises the following steps of: transmitting a short message to mobile phones in a covering radius area of a metro accident spot; positioning mobile phones in areas near the covering radius area by using a communication base station in the vicinity of the metro accident spot or in a wireless network routing way; monitoring whether the mobile phones enter the covering radius area or not; and transmitting a corresponding accident short message to the mobile phones by using a metro short message console. According to the method, crowds in the selected covering radius area are selected as notification objects, so that wide-range mass texting for notification is avoided, and a notice can be timely published within the influence scope of the accident to prevent matters from getting worse. By using the design scheme of an emergency short message notification system, the crowds in a specific area can be timely and efficiently notified, so that passengers can be prepared for an emergency and safely and quickly evacuated from the accident spot, and the highly responsible altitude of the government to citizens and the transparency of information are reflected.

An object, for example a building, is divided into different sections. Each section comprises a plurality of computers, each controlling an individual escape route display or a group of escape route displays. The computers are controlled by monitoring sensors of the object section. The blueprint of the object section and a control algorithm for the safest escape route from the object section is stored in the computers. The invention further relates to an escape route display that can be used for a device of said kind.

The invention discloses a control system and a method of a heptefluoropropane fire-extinguishing device used for boats. The control system comprises a fire-extinguishing control device, a heat detector, a smoke detector, a light detector, a main power supply, a backup power supply, an emergency start/close button, a displayer, a control panel, an audible and visual alarm, a deflating indicator light, a device interlock, a fire-extinguishing starting device, a pressure signal transmitter, a heptefluoropropane storage bottle, a heptefluoropropane container valve electromagnetic starter, a relief valve electromagnetic starter, an emergency operating panel, a nitrogen storage bottle, a container valve of the nitrogen storage bottle, and the like. According to the system and the method, three fire-extinguishing starting manners, namely an automatic manner, a hand-operated manner and an emergency manner, are adopted, thus enhancing the reliability of the system and avoiding invalidation when the system is dealing with an emergency event. In addition, a fire-extinguishing starting device delay time adjustable technology is adopted. When the technology is applied in a matching manner, the delay time of the fire extinguishing starting device can be adjusted according to the practical situations of protection areas and sites, thus guaranteeing in-time safe evacuation of people in the protection areas and improving the application adaptability of the system.

The invention discloses a vehicle door emergency unlocking control method and a vehicle door system. The method comprises the steps that firstly, a protection cover plate of an emergency exit device is opened when a handle needs to be operated, or the handle of the emergency exit device is operated at a small angle which cannot unlock a vehicle door after the protection cover plate is opened; if the vehicle is in a fault power loss condition, the handle of the emergency exit device is released by a handle control structure, and the handle is allowed to be operated; if not, a vehicle door evacuation request loop is activated, and an evacuation request signal is sent to a train signal system by the vehicle door evacuation request loop; and after receiving the evacuation request signal, the train signal system controls the train to stop in a safe area so as to activate a zero-speed train line signal and controls the train door to forbid unlocking of the train line signal to be invalid, sothat the handle is controlled to be released by the handle control structure to allow the handle to operate. According to the method, the safety of whether the vehicle door can be manually opened ornot is improved, and therefore safe evacuation of passengers is better guaranteed.

The invention relates to a mining dual-power dual-fan ventilation system, which mainly solves the technical problems of less functions, poor reliability, low control precision and the like of the traditional dual-power dual-fan ventilation systems which are mostly controlled by relays. The technical scheme of the invention is as follows: an online switching connection circuit is arranged between two electromagnetic starters of a main ventilation system and a standby ventilation system which are parallel; an EPS (Emergency Power System) is arranged between the main ventilation system and the standby ventilation system which are parallel; a PLC (Programmable Logic Controller) unit is respectively connected with a battery management unit, a charging unit and a power output control device in the EPS to form a feedback loop; the PLC unit is respectively connected with the electromagnetic starters of the main ventilation system and the standby ventilation system outside the EPS to from a feedback loop; and the PLC unit is used for detecting the on-off states of a main power supply and a standby power supply, the operation states of the main local ventilation system and the standby local ventilation system. The mining dual-power dual-fan ventilation system can be widely applied to various mining ventilation systems.

A granulation installation for a melt produced in a metallurgical plant, especially for blast furnace slag having a water injection device for quenching and thereby granulating the melt and a granulation tank for collecting water and granulates a steam condensation tower is located above the granulation tank for collecting steam generated in the tank, where the tower has a steam condensing system with a water-spraying device and a water-collecting device below the water-spraying device, and the tower is equipped with a stack for selectively evacuating excessive steam to the atmosphere, the stack having an inlet communicating with the lower zone of the condensation tower and an outlet arranged to evacuate steam to the atmosphere above the condensation tower, the stack being equipped with an obturator device for selective evacuation of steam through the stack, where the installation according to the invention may process an increase of 60% of slag, e.g. around +5 t/min of slag in a system having a condensation capacity designed to handle a maximum slag flow rate of 8 t/min, without any risk of steam backflow in the granulation area.

The invention discloses an emergency lighting and evacuation indication detection system and method. The system comprises a centralized power supply, a general controller, a number of sub-controllers,fire emergency lamps connected with each sub-controller, a fire alarm, a fire detector, a position sensor, a display screen, an alarm device, a voice broadcaster, a data storage device and a communication unit. The centralized power supply is electrically connected with the general controller, each sub-controller, each fire emergency lamp, the fire alarm, the fire detector, the position sensor, the display screen, the alarm device, the voice broadcaster, the data storage device and the communication unit. The general controller is electrically connected with each sub-controller, each fire emergency lamp, the fire alarm, the fire detector, the position sensor, the display screen, the alarm device, the voice broadcaster, the data storage device and the communication unit. According to the invention, the service life of the fire emergency lamp can be prolonged; the overhaul efficiency and the escape probability are improved; and the escape time is shortened.

The air bag-type life preserver for high building fire use includes the support fixed onto window sill; the cylindrical air bag connected to the support, with upper opening end and lower sealed end and drooped to ground; and the life preserving platform fixed via the holder and the rope on the support to the place 1 m below the window sill. In case of fire, the persons evacuating from the building descend successively to the life preserving platform via the rails and rope ladder attached to the support; the holder is then unlocked for the persons to descend to ground through a first accelerating and then decelerating process and to go out via the inwards opened door. The present invention makes it possible for the persons in the building to leave from the fire site via one said life preserver fast.

The invention relates to a building fire escape indication system based on environmental state detection. The building fire escape indication system comprises fire emergency marking lamps, environmental monitoring systems, a control center, and positioning systems. The fire emergency marking lamps are installed in a building channel at the bottom of the channel. The environmental monitoring systems installed in the building are used for detecting the environmental condition of the building and sending the environmental condition to the control center. The control center is used for setting andstoring an alternative escape route plan for the activity zone of each floor based on the building structure and forming a one-key control mode for controlling all fire emergency marking lamps involved in the escape route based on the escape route. The positioning systems are carried by escape people and are used for sending out located activity zone position information of the escape people as rescue requests in emergency. The control center is also used for locating the information in the rescue requests, matching the escape routes based on positioning, rejecting infeasible escape routes based on the environmental condition, and starting the related fire emergency marking lamps based on the kept escape routes. Therefore, the evacuation of the escape personnel is realized safely and quickly.

The invention discloses a drill rod forward and reverse rotation connecting device for an underground coal mine drilling machine. The drill rod forward and reverse rotation connecting device is composed of a first outer spline, a second outer spline, an inner spline sleeve and a spring straight pin. Involute outer splines (11 and 21) are arranged on the outer wall of the first outer spline (1) and the outer wall of the second outer spline (2) respectively, an involute inner spline (31) is machined in an inner cavity of the inner spline sleeve (3) in the axial direction in a full-length mode, and the involute outer splines of the first outer spline and the second outer spline are arranged inside the involute inner spline which is machined in the inner cavity of the inner spline sleeve in the axial direction in the full-length mode in a sleeved mode. One end of the first outer spline (1) is connected with a drilling rod, and the other end of the first outer spline (1) is provided with a circular cone male thread (12) which is in matched connection with a circular cone female thread (22) which is arranged on an inner cavity in one end of the second outer spline (2). The involute outer spline (11) of the first outer spline is provided with a spline axial positioning hole (13) in the radial direction, the spline axial positioning hole (13) corresponds to a spline axial positioning hole (32) formed in the inner spline sleeve in the radial direction, and the spring straight pin (4) is used for achieving fixed connection. The other end of the second outer spline is connected with the drill rod.

In a vehicle steering system provided in a vehicle in which a high-voltage battery is provided, a clutch mechanism is mechanically disconnected and the intermediate shaft falls, after a collision of the vehicle is detected. An ECU detects the collision of the vehicle based on an acceleration that is input, and then detects contraction of the column shaft and disconnection of the clutch mechanism based on an ON signal of a microswitch. Thereafter, the ECU is able to continue to rotationally drive an electric motor based on a steering angle signal that is output from a steering angle sensor provided on the column shaft, and that is electrically insulated through a photo coupler, and thus the ECU causes the vehicle to travel and stop.

The passenger conveying apparatus with safety device has ring treadle driven to move circularly, comb-shaped entrance and exit floor boards in the ends of the ring treadle, and acceleration sensor unit set in the entrance or exit floor board or its support beam. The acceleration sensor unit detects the acceleration signal of the passenger conveying apparatus and judges its abnormality, and in case of abnormal acceleration, the passenger conveying apparatus is made to stop or to run at low speed.

The invention belongs to the technical field of engineering articles, and discloses a system and a method for construction remote monitoring and management. A wireless transmission module, an alarm prompting module and an information informing module are jointly connected with a monitoring center management module. A video monitoring module is connected with a video image processing module. The video image processing module is connected with the monitoring center management module. A voice broadcast module is connected with a power monitoring center management module and a power energy storagemodule. A high-voltage prevention module is connected with the power energy storage module. The structure of the system can monitor construction site situations in real time. When accident occurs, the system can send out voice warning to workers by broadcasting, and can notify responsible personnel in a construction area to organize the workers to evacuate safely, to protect life safety of the workers, and effectively improve management level of safe construction of a project.

The invention discloses a building demolition method using a self-expansion effect of an expansion agent. The building demolition method using the self-expansion effect of the expansion agent comprises the following steps that step 1, the number of falling layers, destruction layers and destroying layers of a building to be demolished is calculated; step 2, stand columns of the destruction layersare marked; step 3, pouring holes are formed; step 4, oil storage holes are formed; step 5, expansion agent mixtures are prepared; step 6, the expansion agent mixtures are poured; step 7, openings ofthe pouring holes are closed by sealing devices; and step 8, burning devices are arranged to burn the stand columns, the stand columns are completely destroyed, and the demolition of the building is realized. According to the building demolition method using the self-expansion effect of the expansion agent, the problems of long demolition cycle, high demolition cost and high danger can be solved,and the momentum generated by the self-weight falling from the upper part of the building is used for destroying the entire building, the demolition of the building is realized in safety and controllability modes, the demolition cycle is short, the operation is simple, the demolition cost is low, and the safety and reliability are achieved.

The invention discloses a suspended type railway vehicle. The railway vehicle includes a walking mechanism, and a vehicle body is connected to the lower portion of the walking mechanism through a lifting mechanism. The vehicle body is driven to ascend and descend by the lifting mechanism to adapt to the height of a ground station; compared with an existing mode of lifting a station and lowering arailway, the suspended type railway vehicle has the advantages of being much simpler and capable of making it more convenient to get on or off the vehicle and deal with errors. Moreover, the structureof the lifting mechanism is also much simpler, and the construction cycle is greatly shortened. Since the vehicle body can ascend and descend, passengers can get one or off the vehicle at anytime, the vehicle body can still land on the ground through the lifting mechanism if an error occurs during running, and therefore the passengers can safely escape.

The invention relates to the field of smart communities and big data, and discloses a smart community-based emergency management method, which comprises the following steps that: an emergency identification module of a smart community cloud platform identifies whether an emergency event occurs according to emergency monitoring data, and when an emergency event occurs, emergency evacuation area analysis is carried out according to the emergency event type, the emergency event time and the emergency event place to obtain an emergency evacuation area; a resident distribution module acquires resident distribution videos in the emergency evacuation area, and performs resident outdoor distribution analysis on the resident distribution videos in the emergency evacuation area to obtain resident outdoor distribution information in the emergency evacuation area; and then obtains resident indoor distribution information according to the community resident real-time statistical information and theresident outdoor distribution information; and an emergency evacuation module analyzes and obtains an emergency evacuation scheme according to the resident outdoor distribution information, the resident indoor distribution information and the emergency evacuation area topographic map of the emergency evacuation area, and sends the emergency evacuation scheme to corresponding emergency evacuationequipment.

The invention discloses a safe evacuation method and system for gas pipeline leakage emergencies, and the method comprises the steps: obtaining various consequence impact ranges and damage subareas of a gas leakage emergency according to a gas leakage accident consequence model, acquiring an evacuation range of the gas leakage emergency according to the influence ranges of the various consequences and the damage subareas; acquiring an evacuation starting point, an evacuation exit node, a warning point, an evacuation road network node and a shelter place; acquiring evacuation time of each road section in the evacuation range, and acquiring an evacuation effect according to the evacuation time of each road section, the accident damage subarea of the passing road, the number of surrounding dangerous chemical enterprises and other information; obtaining the optimal evacuation effect and the corresponding path and evacuation exit thereof; and obtaining an appropriate shelter place; the invhaention has the advantage that efficient and safe personnel evacuation is realized.

The invention provides a high-rise escape system. The high-rise escape system can be put into operation quickly, convenient for a large number of people to escape collectively, safe and reliable. The high-rise escape system comprises a cabin fixed onto a high-rise building, a receiving station fixed onto the ground and a conveying mechanism; two ends of the conveying mechanism are connected with the cabin and the receiving station respectively, and the conveying mechanism is provided with more than two load-bearing components and can perform rotational motion of a conveying belt type. Due to the fact that the rotational motion of the conveying belt type is used for conveying trapped people at positions such as high-rise buildings, the high-rise escape system is suitable for escape of different groups of people in large batches, the unique cyclical operation mode of the high-rise escape system can improve the continuity of escape, and accordingly the escape efficiency can be improved.

The invention discloses an emergency evacuation scheduling method. The invention relates to the technical field of safety protection, in the prior art, when a fire disaster, an earthquake, a traffic accident, a terrorist activity and other sudden events happen in a construction site, evacuation is performed; evacuation efficiency is low, when a fire disaster, an earthquake, a traffic accident anda terrorist activity happen, safety is ensured. Evacuation can be effectively and safely carried out. The occurrence of emergencies is avoided. People rush to an exit. Therefore, the evacuation speedis low, and a treading event is easy to occur. Furthermore, the communication between the clusters is utilized; people are prevented from losing communication due to the influence of disasters and thelike on communication facilities; people can be gathered and evacuated in a unified mode, personnel order falling and dangers are avoided, the evacuation efficiency is high, cluster head selection iscarried out in the area with high crowd density, the crowd flow is reduced, the gathering speed is indirectly increased, and therefore the evacuation efficiency is improved.

The invention discloses a risk conflict early warning system for a cable crane hanging tank and bin surface construction machinery. The system comprises an information system,a central control system,a collision early warning system, the information system comprises an information transmitting system composed of an RFID radio frequency tag, a GPS signal transmitter, a pressure sensor signal transmitter and an anemoscope signal transmitter, and an information receiving system composed of an RFID signal receiver, a GPS base station, a pressure sensor signal receiver and an anemoscope signal receiver. The invention relates to a risk conflict early warning system for a cable crane hanging tank and a bin surface construction machine, and the method is mainly used for monitoring and simulatinga conflict area between the cable crane hanging tank and a to-be-poured bin surface under the action of wind load in real time, calculating and judging whether the bin surface construction machine isin a safety early warning area, and providing a basis for effective safety evacuation of the bin surface construction machine.

The invention discloses a heat insulation and fire fighting smoke discharge system of a steel structure roof and relates to the field of buildings with steel structure roofs. The heat insulation and fire fighting smoke discharge system of the steel structure roof comprises a roof body, a steel frame structure, heat insulation and smoke discharge air pipes and a double speed fan, wherein the heat insulation and smoke discharge air pipes are mounted under the whole roof, the double speed fan is connected with the heat insulation and smoke discharge air pipes and the outside, the heat insulation and smoke discharge air pipes comprise several roof air pipes which are arrayed abreast and centralized air pipes, each of the centralized air pipes is connected with one end of each of the roof air pipes, the other end of each of the roof air pipe is provided with a normally open electric fire damper and is connected with the outside, a plurality of openings are formed under the roof air pipes and are respectively provided with a normally closed plate type smoke outlet, and the centralized air pipes comprise air gathering pipes which are connected with the roof air pipes and air discharge pipes which are connected with the fan. In usual time, the heat insulation and smoke discharge air pipes play a role of heat insulation; when there is a fire, after the nearest normally closed plate type smoke outlet is opened, the automatic normally open fire damper is closed automatically, the high-speed fan is turned on automatically to discharge smoke fixedly, so that the smoke spreading is avoided effectively, and the indoor person can leave quickly and safely.