1162results about How to "Protect life safety" patented technology

The invention discloses an escape automatic window-breaking system for a passenger vehicle and a control method thereof and belongs to the technical field of safety control of passenger vehicles. Glass embedded with electric heating wires is mounted on a vehicle window of the escape automatic window breaking system for the passenger vehicle, the electric heating wires are connected to a power supply of the passenger vehicle through a power supply main line, and an automatic control system is arranged on the power supply main line. The control method of the escape automatic window breaking system for the passenger vehicle, disclosed by the invention, comprises the following steps: respectively comparing a temperature value T in the vehicle, a smoke fog concentration value Sm and an external impact force P with preset critical values and processing through a controller according to all the values. The escape automatic window-breaking system for the passenger vehicle, disclosed by the invention, can be used for increasing the safety coefficient of the passenger vehicle and protecting the life safety of passengers to the greatest extent, and has important significance in reducing casualties and is wide in application range; and according to the control method of the escape automatic window breaking system for the passenger vehicle, disclosed by the invention, both an automatic control window breaking way and a manual switching way can be realized, and the safety and reliability of the window breaking system can be fully ensured.

The invention discloses an on-vehicle electronic warning system for road safety, comprising a wireless broadband special network established at the side of the road. The wireless broadband is composed of a road-side wireless signal transmitting tower, road-side optical cables and a database computing center and is used for receiving operational data of each vehicle on the road while uninterruptedly sending road feature data to each vehicle. An on-vehicle road safety electronic shield terminal arranged in the vehicle uninterruptedly transmits vehicle locations, time and speed data computed by a satellite and land station signals to the database computing center of the road-side wireless special network subsequent to the reception of a positioning signal from a global positioning system so that all the vehicles share the positioning data, meanwhile, the terminal uninterruptedly receives and reads the road feature data sent by the wireless broadband special network during the traveling, and sends, in case that the distance between vehicles are too close or the vehicle is about to deviate from own traffic lane, warning information to related drives in order to avoid traffic accidents such as vehicle rear-end collision, deviation from the roads, side collision, etc.

The invention discloses a check fire valve for a flue, comprising a lampblack channel comprising an outer casing. The lampblack channel is provided with an air inlet and an air outlet which are opposite to each other; two oppositely arranged valve plates are arranged in the lampblack channel; and are rotatablely arranged in the lampblack channel through a valve plate rotation shaft; a blocking body causing the two valve plates only to be opened towards the direction of the air outlet is arranged at one end near the air inlet in the lampblack channel; a connecting strip lengthways arranged to separate the air inlet to two parts is arranged at the side near the air inlet in the lampblack channel; the valve plate rotation shaft is arranged close to the connecting strip; and the side face of the connecting strip facing to the air outlet is provided with a high-temperature closing device which can enable the valve plates to be forcibly closed. The invention has good lampblack removing effect, can not impede the smoothness of public flues, and can be forcibly closed when temperature of flue gas in the public flues is in a high exigent condition.

The invention discloses a cutting type diaphragm gas meter and belongs to a gas meter. The cutting type diaphragm gas meter comprises a base meter body, wherein a gas inlet and a gas outlet are arranged on the base meter body; a cutting valve is mounted at the gas inlet; the gas meter further comprises a signal acquisition treating circuit and a cutting type diaphragm gas meter terminal microcomputer controller; the signal acquisition treating circuit is connected with the cutting type diaphragm gas meter terminal microcomputer controller; the cutting valve is connected with the cutting type diaphragm gas meter terminal microcomputer controller through a cutting valve control circuit; the signal acquisition treating circuit is used for acquiring the flow of fuel gas flowing by the base meter body in real time and timely transmitting to the cutting type diaphragm gas meter terminal microcomputer controller; and when the abnormal states, such as small flow leakage, abnormal mass flow and over long service time, of the output of the base meter body are detected, the cutting valve on the base meter body is timely turned off and a liquid crystal display screen and a buzzer are utilized to alarm, so that the burning or explosion phenomenon caused by excessive leakage of the fuel gas is avoided and the life and property of people are protected.

The invention discloses a safety cut-off type remotely-controlled intelligent mass flow rate gas meter and a management system thereof, and belongs to a gas metering device. The gas meter comprises a microcomputer controller, a micro-electro-mechanical system metering unit, a valve control circuit, a gas working condition collecting and processing unit and a communication module. The micro-electro-mechanical system metering unit accesses to the microcomputer controller through a signal collection unit and a signal processing unit sequentially. The microcomputer controller is connected with a cut-off valve through the valve control circuit and is also connected with the communication module. The safety cut-off type remotely-controlled intelligent mass flow rate gas meter and the management system thereof have the advantages that a mass flow rate metering principle is adopted, and mechanical transmission components are omitted, so that metering problems caused by mechanical aging are avoided, and metering accuracy is guaranteed; a temperature correction function is achieved through mass flow rate metering, a correction device does not need to be arranged externally to compensate temperature and pressure, and the whole meter is small in size, high in metering accuracy and high in reliability.

The invention discloses an overheating air-burn preventing device of a gas stove and a preventing method. The overheating air-burn preventing device comprises a temperature sensor, a temperature sensor control circuit, a singlechip microprocessor, a main solenoid valve and a main solenoid valve control circuit, wherein the temperature sensor is used for detecting the temperature of the bottom of a cooker; the main solenoid valve and the main solenoid valve control circuit are arranged on a main gas pipe; in addition to the traditional low-temperature flameout defensive function, the device adds intelligent high temperature protection, has sensitive sense to the cooker temperature, prevents the air burn by overheating detection and overheating curve judgment so as to achieve the effect of preventing the air burn of majority of cookers, thereby effectively preventing fire accidents caused by abnormal high temperature of the air burn of the cooker, and protecting family property and personal safety all the way. The invention has high precision, simple and stable system and relative low cost and can meet the requirement of people on using the gas stove.

The invention relates to a method for optimizing a land subsidence monitoring net. The method includes the following steps that firstly, a ground monitoring net is built, wherein a GPS point and a benchmark are arranged in a land subsidence area, a GPS and a leveling monitoring net are built, and therefore a land subsidence monitoring point is obtained; secondly, an air-land monitoring net is built, and the air-land monitoring net is formed by merging an optimized PSInSAR monitoring point, the benchmark and the GPS point, wherein obtaining of the optimized PSInSAR monitoring point includes the step of obtaining the PSInSAR monitoring point through the PSInSAR technology and obtaining three cloud numerical characteristics of the PSInSAR monitoring point through the cloud model algorithm. According to the method for optimizing the land subsidence monitoring net, the land subsidence monitoring capability can be improved, high-precision land subsidence monitoring information can be obtained, and the property safety and the life safety of the masses are protected.

The invention provides an air sampling aircraft which comprises a flight main body, a control device and a sampling device which are disposed on the flight main body, wherein the control device comprises an intelligent control module, a direction positioning module which is connected to the intelligent control module and is used to control and adjust the flying direction of the flight main body and to position the sampling device, and a power driving module which is connected to the intelligent control module and is used to driving the operation of the flight main body, and the power driving module comprises a first-grade actuator, a second-grade actuator, a driving motor, a propeller, and a driving device. Because a combined structure of the flight main body, the control device, and the air sampling device is employed, not only air samples can be collected automatically, but also the time and regional restriction is broken through; more importantly, with the automatic technology, notonly air sampling by sampling technicians is convenient, but also the life safety of sampling personnel is protected during air sampling under certain specific conditions such as regions with inaccessible and strategic terrain or a lot of toxic gas.

A GPS safety and protection system of automobile comprises monitoring center and GPS vehicle terminal device being set with vehicle control unit and being able to carry out communication with monitoring center through radio communication network. It is featured as connecting said vehicle control unit to radio communication network transceiving module and IC card reader, up-transmitting information fetched from IC card by IC card reader to said monitoring center through said transceiving module under control of vehicle control unit in order to store status information of driver and passenger into databank of monitoring center.

A high-rise and ultra-high-rise climbing-type fire fighting rescue system comprises a fire fighting operation platform, a rescue device, a climbing system, a machine frame and a driving system. The fire fighting operation platform is located on the upper portion of the whole system, the rescue device is of a box body structure, and the climbing system is connected with the machine frame. A power system is arranged inside the high-rise and ultra-high-rise climbing-type fire fighting rescue system, an inner combustion engine can be used for supplying power and hydraulic double-power output without the help of external force, a fire fighter operates the climbing system to drive the whole fire fighting rescue system to climb up and down along the outer wall of a building, the fire fighting rescue system can quickly and effectively enter a fire area, where a ground device cannot reach, of the high-rise building, fire fighting work can be completed, and personnel trapped in the high-rise building can be rescued. The high-rise and ultra-high-rise climbing-type fire fighting rescue system aims to solve the fire fighting rescue problems of high-rise buildings and ultra-high-rise buildings, the high-rise and ultra-high-rise fire fighting rescue system is studied, therefore, the blank of high-rise fire fighting equipment is filled, the urgent needs for a fire fighting rescue system for the high-rise buildings and the ultra-high-rise buildings are met, and the high-rise and ultra-high-rise climbing-type fire fighting rescue system is significant for protecting life and property safety of people.

The invention relates to a wireless information sending and receiving system, in particular to a wireless system for sending and receiving mine safe alarming and rescue information, comprising at least a wireless information receiver, a modulator series connected with the master control computer, at least a power amplifier and antennas with the same number with the power amplifiers, wherein the modulator is used for two-way communication and transmitting data to each other with the master control computer and codes the data information from the master control computer, and then modulates the data to a myriametric wave and outputs to the power amplifier, and the myriametric wave is transmitted to the wireless information receiver via the antenna. The invention has the advantages of clear information, safe and timely, simple in using, and can rapidly build a communication and controlling method between a ground control center and underground miner's hammers for personnel dispatching and emergency rescuing, therefore improves the safe alarming property in the mine and enhances the production efficiency and security level underground.

The invention discloses a method for realizing safe travel, including obtaining the blind blind around the panoramic image; to determine the current state of blind travel; identification for security information related to the travel state from the panoramic image; according to the remote safety protection measures of the security information to start the scene or reminding device based on vehicle networking.

The invention is applicable to the field of medical apparatuses and instruments and provides a pre-hospital emergency ambulance. The pre-hospital emergency ambulance is composed of an emergency assay module, an electrocardio and ultrasonic diagnosis module, an emergency treatment module, an emergency treatment comprehensive management information system, an auxiliary module, a power module and a communication module. Through combined diagnosis and detection of the emergency treatment module, the emergency assay module and the electrocardio and ultrasonic diagnosis module, the accuracy and the timeliness of disease diagnosis are improved, unfolding time of field apparatuses can be shortened and burdens of medical workers can be reduced due to stretchers and intensive care units (ICUs), on-the-spot rescue, midway diagnosis and emergency treatment can be performed timely, the ambulance can be directly transferred to divisions for emergency treatment in hospitals so as to form a seamless treatment chain combining pre-hospital care, midway life support and rapid in-hospital treatment, the maneuverability is high, starting for immediate use is achieved, the operation is simple, the ambulance is suitable for emergency treatment and cure in the field or during transfer and capable of effectively assisting medical workers to treat and cure according to symptoms, and the emergency handling capacity and the emergency rescue capacity of emergencies are improved.

The invention discloses a fire evacuation system and an evacuation method. The fire evacuation system comprises a fire evacuation acoustic-optical indicating system, an acoustic-optical power supply system, a fire parameter detection system, a control system and a fire alarm system; the fire evacuation acoustic-optical indicating system, the acoustic-optical power supply system and the control system and electrically connected mutually; the acoustic-optical power supply system continuously supplies power for a lamp assembly in the fire evacuation system; the control system controls the acoustic-optical power supply system to supply power for a voice prompt device in the fire evacuation acoustic-optical indicating system through a second power supply circuit and controls the luminance of the lamp assembly and acoustic-optical contents of the fire evacuation acoustic-optical indicating system through the control circuit; the fire parameter detection system and the control system are electrically connected to the fire alarm system through data transmission lines respectively. The fire evacuation system can provide different evacuation guidance for users at different floors according to point locations of fires and fire conditions of fire scenes and avoids the users from running to error channels or taking error actions and accordingly gets into danger.

The invention discloses a deicing and snow melting system utilizing terrestrial heat in a tunnel. The system comprises a heat pump unit, a heat supply pipe and heat exchange tubes, wherein the heat supply pipe and the heat exchange tubes are respectively communicated with the heat pump unit so as to form two circulating pipeline independent from each other; fluid in the heat supply pipe and the heat exchange tubes provides circulating power by virtue of the heat pump unit, and heat exchange is performed by virtue of the heat pump unit. According to the deicing and snow melting system utilizing terrestrial heat in the tunnel disclosed by the invention, rich geothermal resources in a high-temperature geothermal area can be utilized, and the terrestrial heat energy in the tunnel is transferred to the ground by virtue of the pipeline, so that the aims of actively melting snow and deicing are achieved. The snows and ice on the road surface in spring and winter can be eliminated, the road riding safety problem is improved, the asphalt pavement service quality is improved, the traffic accident rate and economic losses are reduced, the life and property safety of the masses can be protected, the service performance of the asphalt pavement can be maintained, the service life is prolonged, the environmental hazards caused by use of chlorine deicers are reduced, good economical benefits are achieved, and the renewable and sustainable energy, namely, the terrestrial heat energy is reasonably used.

The invention discloses a method for gob side entry retaining in a top-cutting pressure relief roadway in a U-shaped steel support roadway. An arc-shaped backstopping roadway supported by a U-shaped steel frame is adopted for tunneling along the bottom of a thick coal layer with unstable storage, a rock stratum with a stable soft rock stratum or a coal layer is above the arc-shaped backstopping roadway, a joint support technology of 'a U-shaped steel shed, an anchor net cable, an anchor cable joist, a pi-shaped beam and a single hydraulic support column' is adopted, a U-shaped steel shed top beam is reinforced on an advance surface coal wall, dense top-cutting pressure relief drilling and net hanging are conducted, and a top-cutting anchor cable is arranged; shed legs, close to an upper band, of the U-shaped steel shed are removed, an anchor rod is arranged to close the band, and operations such as advance support and the like are conducted on the roadway through the joint support technology. The method has the advantages of low cost and convenient construction, greatly improves the stability of the U-shaped steel support roadway, has high safety, effectively solves the problem that the gob side entry retaining is conducted in the U-shaped steel support arched roadway, and has good social and economic benefits.

The invention discloses a remote monitoring and protecting system for the safe operation of a bus. The remote monitoring and protecting system is composed of a safety controller, monitoring cameras, smoke sensors, a spraying fire extinguisher and electric window breakers, wherein the safety controller is arranged on the instrument panel in a cab; the monitoring cameras are arranged above passenger seats at intervals; the smoke sensors are arranged at the top of the corridor of the bus; the electric window breakers are arranged on window glass; the spraying fire extinguisher is composed of a water storage tank, a high pressure water pump, a spraying pipe and spraying headers; the high pressure water pump is arranged in the water storage tank that is arranged at the top of the bus or the bottom of a chassis and connected to the spraying pipe at the top of the bus through a water pipe; the spraying pipe is formed by drilling spraying holes in a tubular handle at the top of the corridor, the spraying headers are arranged at the bottoms of the seats; the monitoring cameras, the smoke sensors, the spraying fire extinguisher and the electric window breakers are all connected to the safety controller through control lines.

The invention relates to the field of automobile manufacture, in particular to a child high-temperature protection device started by in-car audio frequency for a passenger car. The child high-temperature protection device comprises a control system, an in-car temperature monitoring system, a critical temperature alarm system and an emergency disposal system. A child hypoxia protection device is started by an audio frequency control device arranged on the side wall or a seat in the car. When parking time exceeds 30 minutes and car doors and windows are closed tightly, the audio frequency control device is used for starting the child hypoxia protection device when receiving a high-frequency sound stimulus having over 60 decibels in the car. The control system is used for making a comparison between monitored temperature and the critical temperature after receiving data on oxygen content monitored by the in-car temperature monitoring system in a real-time manner. When temperature in the car reaches or below the critical temperature, the critical temperature alarm system is started and the emergency disposal system is started as well. Therefore, life safety of the child locked in the car is effectively ensured.

The invention provides a building rescue information system which comprises multiple wireless transceivers, wherein the wireless transceivers are disposed in escape channels or escape exits on each floor of a building. Each of the multiple wireless transceivers comprises a receiving and judgment unit connected to a signal transmitting unit, as well as an information transmitting unit which is in a signal connection with the receiving and judgment unit, wherein the receiving and judgment unit receives a distance signal sent by the signal transmitting unit, then judges at least the quantity of people trapped on each floor as well as search and rescue information of the locations, and converts the search and rescue information into a notification signal and transmits the signal to the information transmitting unit; and the information transmitting unit uploads the search and rescue information to a search and rescue information cloud side server of the building after receiving the notification signal, and continues updating the information. In this way, before rescue workers start off or when the rescue workers arrive at a disaster site of the building (under cases such as a fire or earthquake), the rescue workers can immediately master the accurate quantity of the people trapped on each floor as well as the trapping locations and take the information as an important reference basis for rescue priorities.