200results about How to "Timely evacuation" patented technology

The invention belongs to the field of masks and particularly relates to a comprehensive communication system of a multifunctional mask. The comprehensive communication system comprises an amplifying module, a communication module, a lighting module and a help-calling module and is characterized by further comprising a cylinder-gas-residual raising viewing module and an on-site audio and video recording module. The comprehensive communication system has the functions of amplifying, communication, lighting, help calling, raising viewing of cylinder gas residual and on-site recording and achieves large integration of small products. The using range of the mask is broadened, and using cost of customers is reduced; stability reliability of talkback communication is ensured, and the actual requirements of various different using occasions are greatly met; breathing noises can be effectively restrained, and voice quality in communication is improved; and the residual amount of cylinder gas is effectively indicated, and the system can effectively remind wearers to evacuate timely when the residual amount of the cylinder gas cannot maintain for 10 minutes, so that safety performance of the product is improved. A shooting device is installed, so that conditions of an operation site can be effectively recorded and afterwards treatment is facilitated.

The invention discloses an intelligent safety alarm device of a bus, mainly comprising a smoke sensor, an air-sensitive detector, a pickup probe, a safety alarm control system, an alarm horn and a safety action executing mechanism. The safety alarm control system is respectively connected with the smoke sensor, the air-sensitive detect or, the pickup probe, the alarm horn and the safety action executing mechanism through conducting wires, a control program is arranged in the safety alarm control system in advance and used for processing signals coming from the smoke sensor and the air-sensitive detector, and when potential safety hazards appear, the control program immediately outputs control signals for controlling the alarm horn to give alarm and simultaneously controlling the safety action executing mechanism to close an engine and open a front bus door and a back bus door. The intelligent safety alarm device can be used for any buses and can be installed conveniently. When the potential safety hazards appear, the intelligent safety alarm device can automatically close the engine and open the front bus door and the back bus door so that passengers in the bus are evacuated in time, thereby ensuring the operation safety of public transportation.

The invention discloses WSN-based underground safety monitoring system gateway equipment, which comprises a microprocessor unit, a memory unit, a WSN radio-frequency transceiving unit, an Ethernet interface unit, an RFID (radio-frequency identification) unit, a buzzer early warning unit, a voice communication unit and a human-machine interface unit, wherein the microprocessor unit is a gateway core and implements data processing and task scheduling control according to a certain algorithm; the WSN radio-frequency transceiving unit finishes data transceiving of each node of a wireless sensor network; the Ethernet interface unit supplies an interface for communication between the gateway and an Internet network; the RFID unit provides services for underground personnel attendance check and fuzzy positioning; and the buzzer early warning unit and the voice communication unit realize gateway local alarm and IP voice call service between the gateway and a remote server under emergency. Thegateway equipment has the advantages of small volume, light weight and strong function, and can reliably realize the protocol conversion function of a heterogeneous network, provide multiple practical auxiliary services and provide overall guarantee for underground safe production.

The invention discloses a toxic or combustible gas sensor wireless detection network system and a monitoring method thereof. The system comprises a wireless gas detection terminal and a monitoring terminal, and is characterized in that: the wireless gas detection terminal communicates with the monitoring terminal through a self-organized network or a data ratio, and comprises a gas sensing module and a wireless transceiver module; and the gas sensing module detects the concentration of a toxic or combustible gas in the ambient environment, and transmits the detected information to the monitoring terminal for communication through the wireless transceiver module. The system can monitor the data of the toxic, harmful and combustible gas in real time through the network simultaneously in field and remotely.

The invention relates to a safe delivery system applied to downhole coal bed gas (gas) in coal mining. A monitoring device, an automatic powder spraying and explosion suppression device and a fire retarding device are sequentially arranged on a delivery pipeline along the coal bed gas delivery direction, the automatic powder spraying and explosion suppression device is connected with a controller, and output ends of the monitoring device and the controller are connected with a monitoring system on the ground through information data buses and communication interfaces respectively. By the safe delivery system, information like methane, carbon oxide, temperature and flow in the delivery pipeline is monitored at any time; once the circumstance of limit exceeding is found, an alarm is given timely, and the circumstance is transmitted to a control center on the ground and even a national safety monitoring center. Once a fire disaster occurs, the disaster is controlled within a certain range under action of the fire retarding device and the automatic powder spraying and explosion suppression device.

The invention discloses a fireproof alarm system. The fireproof alarm system comprises at least two fireproof alarms; a cloud server which is connected with the fireproof alarms and is used for controlling all the fireproof alarms to give alarms after alarm information of one fireproof alarm is received; and a mobile terminal which is connected with the cloud server and is used for detecting position information of a current position and sending the position information to the cloud server. Each fireproof alarm comprises a temperature sensor, a smog sensor, a flame sensor, a buzzer and a WiFi module, wherein the WiFi module is in wireless connection with the cloud server. It can be seen that the system realizes wireless connection with the fireproof alarms and a background server and reduces the cost.

The invention provides a intelligent lock of fire-fighting safety door capable of automatic unlocking and alarm when fire occurs. The intelligent lock is made up of a market sold tapered end, a lock receiving mouth and a lock controlling device, on the lock receiving mouth device, a electric door-lock controlled by the lock controlling device is arranged. The central processing unit of the lock controlling device has memory, speech chip and urgent button, input-output unit such as door lock interface, hand switch, temperature sensor interface, smoke detector interface, flame detector interface, telephone line interface, wireless transceiver, network interface and so on, and software thereof, When fire occurs, the intelligent lock automatically unlocks and alarms, and when abnormal circumstance occurs, it alarms without unlocking. The intelligent lock also has the function of termly self checking and sending the information to the owners, and it also can receive the remote inquiry of the door lock.

The invention belongs to the field of transport capacity matching degree analysis, and particularly relates to a method for calculating the transport capacity matching degree of arterial railways andurban rail transit. The method comprises the following steps: (1) analyzing and determining influence factors of selection of travel modes of passengers arriving at a trunk railway; (2) constructing ageneralized cost function for determining passenger travel mode selection behaviors, and giving a calculation method of weight coefficients of all influence factors in the generalized cost function;(3) calculating passenger flow sharing rates of different traffic modes in a city; (4) constructing transport capacity calculation models of different urban rail transit trains at the junction stationaccording to the operation condition of the urban rail transit train at the passenger transport junction station and the actual travel OD requirements of passengers transferring the urban rail transit train; and (5) analyzing the matching between the passenger flow arriving at the trunk line railway and the urban rail transit transportation capacity, and giving an urban rail transit train operation scheme adjustment suggestion. The method can be used for transport capacity matching analysis between the arterial railway and the urban rail transit.

The invention provides a regional traffic jam correlation calculation method based on the space-time association rule. Road condition early warning can be provided for traffic management personnel andtravelers, and evolution and propagation of traffic jam can be effectively avoided and relieved. According to the specific implementation scheme, regional division is conducted on a road network, andregional traffic flow and speed data are collected; the historical traffic data is clustered by using a clustering algorithm fusing FCM and kmeans + + to obtain a traffic state of the region; and then a congestion transaction set is constructed and the correlation between the regions in the strong correlation rule is calculated according to the correlation index by using a space-time correlationrule algorithm, thereby obtaining the region information with strong correlation relationship in the same time period. The data used in the method is easy to collect, the association rule of the congestion region is rapidly and conveniently obtained through a big data mining method, and the method has actual operation value.

The invention discloses a station passenger flow volume trend prediction and statistical analyzing method, which comprises the following steps: S1) recalling the historical passenger flow volume data; S2) establishing the functional relationship between the arrival time of the passengers and the number of passengers into the station in an earliest allowable period, or rather, the passenger flow volume trend forecasting model; and S3) utilizing the model obtained from the step 2 to make predictions; and according to the prediction data, making statistics and analysis of the passenger flow volume; and generating visible display. According to the method proposed by the invention, it is possible to estimate the passenger flow volumes of various periods of a day in the future as well as the passenger flow volumes of various waiting rooms so that the station working staff could clearly know in which period, the passenger flow volumes reach their peak, and in which waiting room, the peak of passenger flow volumes might occur, therefore, providing effective basis to avoid and control the passenger flow volume peak, regulate the loading capacity of trains and make proper scheduling.

The invention discloses a manual rescue device of a motor driven elevator. When a working power supply is powered off so that the elevator cannot normally move, a normally-open contact is switched off, a normally-closed contact is switched on, a rescue loop is formed by a standby power supply, the normally-closed contact, a key switch, a button switch, a left contracting brake and a right contracting brake and the key switch and the button switch are operated to be switched on, so that the left contracting brake and the right contracting brake are powered on to be opened. When the working power supply is stilled powered on, but the elevator has other failures so as not to normally move, the normally-open contact is switched on, the normally-closed contact is switched off, a rescue loop is formed by the working power supply, the normally-open contact, the key switch, the button switch, the left contracting brake and the right contracting brake, and the key switch and the button switch are operated to be switched on, so that the left contracting brake and the right contracting brake are powered on to be opened, and thus, due to the opening of the left and right contracting brakes, a lift car can move to a flat bed position to release passengers. The left and right contracting brakes can be supplied with power by the working power supply or the standby power supply to be opened only through switching on the key switch and the button switch, so the manual rescue device is simple and convenient to operate, the passengers stuck in the lift car due to the power failure or other failures can be emergently rescued and are timely evacuated and the risk is avoided.

The invention discloses a mine safety dynamic monitoring managing system and relates to the technical field of mine safety. The mine safety dynamic monitoring managing system comprises a ground monitoring module, a wireless transmission module and an underground monitoring module, wherein the ground monitoring module comprises a central processing unit, a human-machine operating module, a data storage module, a liquid crystal display, a ground alarm and an emergency rescue module, and the human-machine operation module, the data storage module, the liquid crystal display, the ground alarm andthe emergency rescue module are electrically connected to the human-machine operating module. The mine safety dynamic monitoring managing system not only monitors various environmental data information inside of a coal mine roadway in real time, so that ground safety production personnel can timely understand the specific situation inside the coal mine roadway, but also can timely alarm accordingto the environmental change information inside the coal mine roadway, reminding coal mine workers to evacuate as soon as possible or timely send a rescue signal to the rescue center after an emergency, so that the rescue center can arrange rescue as soon as possible to improve rescue efficiency. The mine safety dynamic monitoring managing system is very suitable for dynamic monitoring and management of mine safety.

The invention discloses a crowded place intelligent monitoring scheduling management system and method. The system can comprise a central processing module, a video processing module, a traffic information induction module, a traffic signal processing module and an equipment facility police strength resource module; the video processing module monitors a crowded place by a plurality of panoramic cameras and detail cameras; tags of the detail cameras are overlaid on panoramic video images according to positions of the detail cameras; real-time video images of the detail cameras are played on the panoramic video images by clicking on the tags of the detail cameras; and the accessed detail cameras are subjected to grouped display. According to the invention, by matching of the panoramic cameras and the detail cameras, intelligent and reasonable management control based on video monitoring for the crowded place is implemented. Preferably, according to the invention, by utilization on traffic information, control on a traffic signal and deployment on various resources, management and control on the personnel, vehicle and route dispersing process are implemented, and personnel and vehicles are timely dispersed.

The invention relates to panic lamp equipment with a visible light communication system and a control method of the panic lamp equipment, and belongs to the technical field of fire fighting. The paniclamp equipment comprises a smoke concentration processing unit, a ultra-wideband radar module, a microprocessor, a power supply module, a visible light communication module, a light source module anda brightness adjustment module; the power supply module is electrically connected with the smoke concentration processing unit, the ultra-wideband radar module, the microprocessor, the visible lightcommunication module, the light source module and the brightness adjustment module; the smoke concentration processing unit and the ultra-wideband radar module are electrically connected with the input end of the microprocessor; and the brightness adjustment module and the visible light communication module are electrically connected with the output end of the microprocessor. The defects that thebrightness of a firefighting panic lamp cannot be adjusted according to the smoke concentration and whether all people in certain floor escape safely cannot be known in the prior art can be overcome effectively.

The invention discloses to an elevator device free of a traveling cable and still capable of being used during a power outage of a building and relates to an elevator free of the traveling cable and capable of being used under the condition of the power outage, caused by a fire disaster of the high-rise building or other reasons, of the building. According to the implementation scheme, a rolling wheel which keeps a certain pressure with a guide rail rotates when a car operates to drive a power generator installed on the car to generate power, an accumulator attached to the car is charged, and thus the traveling cable of the car is omitted. A signal detection system is constituted by a landing signal detector on the car, landing externally-calling instruction devices/signal feedback devices installed on landings and signal guiding devices installed at the two ends of a shaft, and an externally-calling floor can be detected. During the power outage, a special cable or a power source of the emergency power generator is automatically switched to be separated from a power source of the building, and normal operation of a computer control cabinet and a driving device is guaranteed. The elevator device can still operate according to instructions of floors and the car during the power outage of the building, and trapped personnel can be helped to evacuate efficiently.

The invention relates to a fire-safety warning system, mainly comprising a controlling host computer, a plurality of AV or VGA display systems, a plurality of fire-safety warning system host computers, connecting lines and KTV VOD Systems. A single alarm control button is arranged on the fire-safety warning system host computer which is connected to KTV VOD systems and AV or VGA display systems by connecting lines; the controlling host computer is communicated with all fire-safety warning system host computers by the connecting lines.

The invention discloses a stirring device for mixing chemicals inside an initiation tool. The device comprises a stirring tank body, wherein a hydraulic motor which is connected with a stirring shaftin a transmission mode is arranged at the top of the stirring tank body, the stirring shaft is provided with a forward propeller blade, a reverse propeller blade and an anchor-type propeller blade sequentially from top to bottom, and a dust removing mouth, a liquid material feeding mouth and a powder material feeding mouth are formed in the top of the stirring tank body separately; the top of thestirring tank body is provided with a thermometer mounting pipe, a water interlayer is arranged on the outer wall of the stirring tank body, and a heat insulating layer is arranged on the outer wall of the water interlayer; and a material discharge pipe is arranged at the bottom of the stirring tank body. The forward propeller blade has good discharge performance and low shear force, is in a convective circulation state at low speed and in a turbulent dispersion state at high speed, and is capable of enabling a stirrer to reach a high flow field during transitional flow or even turbulence, andpowder which is put into the stirrer can be immediately pressed into a liquid material; and the input powder can be mixed thoroughly through the reverse propeller blade in the middle layer, and precipitation of the powder can be prevented through the lower-layer anchor-type blade.

The invention discloses a radar personnel monitoring and measuring system and method. The system comprises a millimeter-wave radar which transmits radio waves through an antenna, reflects the radio waves through an obstacle and receives returned reflected waves through the antenna, a signal separation module which is used for separating a plurality of persons from the reflected wave, a DSP which is used for carrying out Fourier transform, fast Fourier transform and smoothing processing on each separated person signal to obtain the number of persons, the position coordinates of each person, thespeed on the position coordinates and the acceleration data on the position coordinates, a 4G wireless module which is used for uploading the number of the persons, the position coordinates of each person, the speed on the position coordinate and the acceleration data on the position coordinate to a network, and a terminal which is used for monitoring the persons in an area in real time accordingto the number of the persons in the network, the position coordinates of each person, the speed on the position coordinate and the acceleration data on the position coordinate. Personnel in an area can be monitored, pre-judgment, prevention and control are performed in advance, and privacy is protected.

The invention discloses an optical fiber sensing geological disaster monitoring system, which includes a laser light source for emitting optical signals, a photoelectric converter, an optical fiber coupler, an optical fiber line, a main control module, and a first wireless module, and the optical fiber line is arranged on the geological layer to be detected In order to sense geological changes, the two ends of the fiber optic line are respectively connected to the other same side of the fiber coupler, one end of the same side of the fiber coupler is connected to the laser light source and the other end of the same side of the fiber coupler is connected to the photoelectric converter, the photoelectric The converter converts the optical signal into an electrical signal, and then inputs the geological change signal into the main control module. The first wireless module is electrically connected to the main control module so that the main control module and the external monitoring terminal form a wireless communication connection. This design The optical fiber line can be deeply immersed in the geological layer, and due to the softness of the optical fiber line, it can adapt to the terrain at will, accurately detect the geological change, and send it to the monitoring terminal in time through wireless communication.

The invention discloses an L-shaped ceramic frame photovoltaic building assembly and an L-shaped ceramic frame sintering process, wherein the L-shaped ceramic frame photovoltaic building assembly is provided with a packaged solar module, and a ceramic flat-tile frame is fixedly connected to the periphery of the packaged solar module; the frame is composed of an L shape and a reverse L shape to form an upper left frame and a lower right frame; a plurality of rib strips which are arranged in a vertical direction are arranged on the upper and the lower sides of the frame, and yin and yang grooves at the upper side and the lower side, capable of forming a first lap joint surface, are respectively arranged in a horizontal direction; and the yin and yang grooves at the left side and the right side, capable of forming a second lap joint surface, are respectively arranged in an axial direction of the left and the right sides of the frame. The L-shaped ceramic frame photovoltaic building module provided by the invention has the functions of common building tiles to ensure that the integration is realized between photovoltaic generating equipment and a building roof.

The invention discloses antistatic polyformaldehyde resin. The antistatic polyformaldehyde resin is prepared from the following components in parts by weight: 55 to 85 parts of polyformaldehyde, 2 to8 parts of antistatic agent, 1 to 4 parts of conductive fibers, 15 to 25 parts of polytetrafluoroethylene, 3 to 5 parts of white carbon black, 3 to 5 parts of vinyl silicone oil, 5 to 8 parts of polyether modified silicone oil and 4 to 10 parts of compatilizer. According to the antistatic polyformaldehyde resin disclosed by the invention, the antistatic agent is added to improve the antistatic performance of the polyformaldehyde resin; meanwhile, the conductive fibers and polytetrafluoroethylene are added to carry out further improvement, so that the electrical conductivity and tensile strength of polyformaldehyde are increased; polytetrafluoroethylene is added so that the wear resistance is good; the white carbon black and the vinyl silicone oil are used as reinforcing filler and can be combined with polyformaldehyde very well under the action of the compatilizer; furthermore, the strength of a polyformaldehyde finished product is improved.