86 results about "SAFE AIR" patented technology

The invention discloses a self-adaptive cruise control method based on a safe distance model with driver car-following characteristics, which mainly comprises the following steps: 1, based on the analysis of the motion states between the cars, a safe car-following distance model conforming to the diver car-following characteristics is designed; 2, a fourth-order continuous car-following model of an ACC system is established; 3, the safe car-following distance model established in step 1 is used as the following target of the upper layer decision algorithm of the adaptive cruise system. According to the invention, aiming at the problem that the expected safe distance selected by the upper layer control algorithm of a prior adaptive cruise system does not confirm to the actual driver characteristics, the safe car-following distance model is redesigned and applied to the upper layer decision algorithm, so that the control characteristics of the adaptive cruise system is closer to the control behaviors of a skilled driver and the acceptance and utilization rate of the system are improved.

The invention discloses an integrated bottle valve for a vehicle high-pressure hydrogen storage tank. A pressure-relief regulating valve is connected with an electromagnetic valve and a port through a valve body port and an air duct to form an air supply passage; an inflation one way valve is connected with the valve body port and an intake passage to form an inflation passage; a safety valve is connected with the valve body port, a release port and a communicating air duct to form an overpressure and overtemperature safe air release passage; a manual globe valve is connected with the valve body port, the release port and the communicating air duct to form an emergency manual deflation passage; a pressure sensor is connected with the valve body port and the communicating air duct to form a pressure on-line detection passage; and a temperature sensor is connected with the valve body air duct through a wiring terminal, and a lead wire is introduced out of the valve body through the wiring terminal, so as to form a temperature on-line detection passage. The bottle valve is a combined valve integrating multiple functions such as pressure-relief regulating, electromagnetic switching, safe pressure release (overpressure air release and overtemperature air release), one way inflation, manual emergency pressure release and temperature / pressure sensing.

The invention provides an auto seat cushion with heating and pressure sensing functions and adopts the technical points that the auto seat cushion with the heating and pressure sensing functions comprises a pressure sensor arranged on a seat cushion and is characterized in that the pressure sensor comprises plastic film layers which are arranged in a corresponding manner; an aluminium foil layer conducting circuit and a carbon paste conducting layer are printed on each plastic film layer in sequence; each carbon paste conducting layer comprises a sensing circuit and a heater circuit; the plastic film layers printed with printed circuits are bonded together through a middle layer to form a composite structure; a plurality of sensing units capable of measuring the load on the automobile seat repeatedly are arranged in the composite structure; the tail end of the pressure sensor is connected with a plastic seal block; a core board is arranged in the plastic seal block and used for processing the resistance value signals of all the sensing units in a classified manner; and the core board is connected with an electric control center of a safe air bag of the whole automobile. The auto seat cushion with the heating and pressure sensing functions has the advantages of being simple and convenient to mount, having a concise appearance, and controlling the popup amount of the air bag to remind passengers of tying the safety belts well.

The invention relates to a controllable temperature water body total dissolved gas supersaturation generation and an experimental device for studying the influence thereof on fish. The device comprises an autoclave, an air inlet, an adjusting air valve, a safe air valve, an air gauge, a water inlet, a water outlet, a water pool provided with a temperature controller, a water pump, a first ball valve, a first flowmeter and a water inlet, wherein, the autoclave, the air inlet, the adjusting air valve, the safe air valve, the air gauge, the water inlet and the water outlet are arranged on the autoclave, and the water pump, the first ball valve, the first flowmeter and the water inlet are sequentially connected with the water pool; an air compressor is connected with the air inlet; the water outlet is sequentially connected with a second ball valve, a second flowmeter and a water channel; a total dissolved gas tester and a water quality monitor are arranged outside the water channel; and the water channel is communicated with the water pool via a latex tube. The invention generates water body featuring total dissolved gas supersaturation by autoclave sealing pressurization, and the whole device adopts circulating water and controls water temperature thereof to be constant. The invention can realize the control on measurement of major physical parameters, such as water temperature,water body pressure, airation content, flow and the like, which affects total dissolved gas supersaturation generation so as to quantificationally analyze the generation principle of total dissolved gas supersaturation and study the influence thereof on fish.

This invention relates to a safe air exhausting device. It includes air outlet opening casing, air exhausting filter, air absorbing filter, scanning device and cover for anti-poisoning. The said air exhausting filter is arranged in the air outlet opening casing. Its end face has double-faced sealing adhesive tape. Positive pressure cavity is formed between the said air outlet opening casing and air exhausting filter. The air outlet opening casing is arranged with positive pressure tap. The said air absorbing filter is arranged at the external side of the air inlet opening of ventilation system. Its outlet opening communicates to the said air inlet opening. The outlet opening of air absorbing filter connects to the said positive pressure tap and communicates to the positive cavity through air absorbing hose. The scanning device is at the posterior wall of air outlet opening casing and detects the air exhausting filter. Thus, this invention fulfills non-leaking air exhaustion and detection through air exhaustion.

The movable capping safe air-pocket of the working-face end in the integrated mining is characterized in that: a soft cyst is set for inflating or bleeding air. The inflatable shape of the soft cyst is pier. It erects on the base plates of the upper and lower ends of the integrated mining working-face. Its roof and both side parts are anastomotic with the roof board and the two side boards of the tunnel separately to form the capping wall of the integrated mining working-face ends. The invention takes place of the existing capping mode with coalsacks hacking and building wall, which can lighten the workers' working strength, save the resources and cost and improve the capping effect and reliability.

The invention relates to an identifying method for the physical signs of vehicle passengers, which includes the following steps: a) the step of obtaining a pressure sensitive point: obtaining the physical sign data of the passengers with different passenger types and different sitting positions by a vehicle carrier pressure distribution measuring system, finding out a pressure sensitive area by analyzing and arranging a pressure measuring sensor array; b) the step of obtaining and processing pressure values used for identifying: arranging the pressure values under different passenger types and different sitting positions by a measuring system vehicle sensor; c) the step of identifying the physical signs of vehicle passengers: building the characteristic database with different typical physical signs according to the specific regulation requirements, obtaining a classifier model, inputting body pressure distribution data into a trained classifier to carry out sorting and finally transmitting the obtained physical sign information of the passengers into an intelligent safe air bag controller for the use of intelligent control of the controller. The identifying method provides a method for effectively identifying the physical signs of the vehicle passengers, can reduce the secondary damage on the air bag to the lowest point when the vehicle is impacted and can improve the passive safety performance of the vehicle.

The invention provides a crash-proof electric vehicle which mainly comprises a vehicle body and a safe air bag system, wherein the safe air bag system comprises crash sensors, a buffering air bag, an air generator and a control block, and the safe air bags are made of materials with higher breakage resistance and are respectively arranged at the front side, the left rear side and the right rear side of a driver. When the front side or a certain angle between the left side and the right side of the electric vehicle are crashed at high speed, the electric vehicle can suddenly decelerate, the crash sensors arranged on the front end and both sides of the electric vehicle can transmit a signal to the control block, an electrothermal igniter arranged in the air bag can be instantly ignited after analysis and confirmation to generate explosion, solid nitrogen grains are rapidly gasified, a lot of nitrogen blows the air bag immediately and enables the air bag to expand, and the air bag clashes a box cover and safely expands under strong impact force immediately. The invention has the advantages that the safe air bags are arranged at the front side, the right side and the left side of a human body to protect the upper half part of the human body and greatly increase the safety of the electric vehicle.

The invention discloses an automatic safe air door, which comprises a main engine and an air door. An infrared sensor and a pneumatic actuator control cabinet are arranged at front and rear sides of the air door; a locking cylinder and a monitoring on-off sensor are both arranged on the air door; a squeezer is arranged on a track and located in front and back of the air door; and the infrared sensor, the pneumatic actuator control cabinet, the locking cylinder, the monitoring on-off sensor and the squeezer are connected with the main engine through circuits. The automatic safe air door can effectively prevent the air door from being broken, can also ensure ventilation, has the function of automatic illumination, realizes emergent unlocking and remote control, and has high safety.

The invention provides a vehicle information monitoring self power supply system and belongs to the technical field of self power supply applied to motor vehicles. A method includes the energy acquisition step, the electric energy management step and the load power supply step. In the energy acquisition step, various modes of energy besides heat energy, solar energy, vibration energy, tire deformation and the like on a vehicle is acquired and converted into electric energy, the electric energy is continuously supplied to vehicle information monitoring loads, and therefore self power supply of a vehicle information monitoring system is achieved. Different types of energy acquisition devices are adopted according to the different energy modes supplied by the environments where the different loads are located. In the electric energy management step, the electric energy acquired by the energy acquisition devices is managed according to the output characteristics of the energy acquisition devices and the power use characteristics of the loads, so that the optimal electric energy use efficiency is obtained. The vehicle information monitoring self power supply system can be applied to real-time detection of the vehicle speed and the loads, automatic adjustment of the safe air pressure range of tire pressure monitoring equipment and auxiliary safe driving for tire puncturing prevention and tire puncturing accident prevention.

The invention relates to an automobile seat system. The system comprises an automobile seat, a micro-electro-mechanical system (MEMS) pressure sensing module and a safe air bag trigger module, wherein the automobile seat comprises a cushion and a backrest; the MEMS pressure sensing module comprises a pressure sensing bag, an MEMS pressure sensor, a processing unit and a power supply unit for supplying power to the processing unit; the pressure sensing bag is arranged in the cushion and bears corresponding pressure when the cushion is subjected to pressure deformation; the MEMS pressure sensor is connected with the pressure sensing bag to sense the pressure borne by the pressure sensing bag and convert the pressure into a pressure sensing signal; the processing unit is connected with the MEMS pressure sensor to acquire the pressure sensing signal; and the safe air bag trigger module is connected with the processing unit and judges whether a safe air bag is popped up or not according to the pressure sensing signal of the processing unit.

The invention discloses a method to prevent high voltage wall bushing flashover under non-uniform rain and corresponding device that can effectively prevent high voltage wall bushing flashover under non-uniform rain. The method is simple in installation and has lower cost, but can effectively settle the problem of bushing flashover under non-uniform rain. The method adopts the basic principle that a uniform rain device that can avoid non-uniform rain moistening is arranged directly above the top of the bushing in order to ensure uniform moistening on the surface of the bushing. When the surface of the bushing is uniformly moistened, the electric field distribution on the surface is almost consistent with which when the surface of the bushing is completely dry, so the flashover problem caused by non-uniform electric field distribution when the surface of the bushing is non-uniformly moistened can be effectively settled. The device consists of a uniform rain net and a uniform rain net support. The side length of each mesh of the uniform rain net shall not be less than 30mm, and the water drop on the surface of the net in the state of slanting raining shall be ensured to drop vertically on the surface of the bushing. The net adopts stainless steel or high strength insulation material. The mounting height of the net shall be detailedly calculated, and relevant experiments shall be carried out when necessary to ensure the minimum distance between the net, the support and the bushing end meet the requirement of safe air distance and avoid electric power generation. When the installation is completed, experiment with the net using artificial rainfall shall be conducted to ensure that the surface of the bushing can be uniformly moistened. The operating principle of the uniform moistening on the bushing shall refer to an attached drawing in the abstract.

The invention discloses a box protection type fire extinguisher air charging device and relates to the technical field of fire fighting. The device comprises an air charging head with an air inlet and an air charging platform, wherein a push device is arranged on the air charging head. The device is characterized by also comprising a safety box body, wherein a panel on the upper part of the safety box body is the air charging platform; an air feed frame is arranged on the side face of the safety box body; an air charging gap is formed on the air charging platform on the upper part of the safety box body; the air charging head is arranged on one side of the air charging gap; a safety door is arranged on the air feed frame; a bottom plate is arranged inside the safety box body; the air charging head is provided with a valve; and a fire extinguisher detaching device is arranged on one side of the safety box body. The box protection type fire extinguisher air charging device can realize safe air charging of the fire extinguisher, and has the advantages of simple structure, small volume, low cost, increase of the fire extinguisher detaching device, and contribution to the use of fire extinguisher manufacturers and maintenance personnel.

The invention relates to a non-coating safe air bag fabric having excellent dynamic low air permeability character and excellent internal pressure retaining character. The safe air bag high-density fabric is characterized in that the safe air bag high-density fabric is formed by synthetic fiber multifilament yarns; the tensile strength force in the bias direction is 400-700 N; the average dynamic air permeability (ADAP) measured based on an ASTM D6476 is less than 500 mm / s; and the dynamic air permeability curve index (Exponent) measured based on the stipulation is less than 1.5.

The invention discloses an embedding riveting bracket for connecting an automobile interior instrument board with a safe air bag cabin and a method for connecting the embedding riveting bracket with the interior instrument board. A technical scheme is that: a plurality of perforations for connection are formed on the embedding riveting bracket; counter bores for forming snaps during injection moulding are formed on a mould core of an injection mould of the interior instrument board opposite to the perforations; and the embedding riveting bracket serving as an insert is embedded in the injection mould of the interior instrument board, so that the embedding riveting bracket is connected with the interior instrument board into a whole in an embedding riveting way along with the injection moulding of the interior instrument board. The embedding riveting bracket solves the problems of undetermined reliability, difficult detection and high manufacturing cost in the prior art. The embedding riveting bracket for connecting the automobile interior instrument board with the safe air bag cabin provided by the invention enables the connection of the bracket and the interior instrument board to get rid of the disadvantage of ultrasonic welding through an injection moulding embedding riveting connection mode and fulfils the aims of connecting reliably, detecting easily and reducing cost.

The invention belongs to the technical field of tobacco storage and particularly relates to a tobacco stack physical air conditioning control device. The tobacco stack physical air conditioning control device comprises a sealing unit, an air inlet, an air outlet, a detecting unit, a data transmission unit and a control unit, wherein the sealing unit covers the outer surface of a tobacco stack body; the air outlet and the air inlet are formed in the side surface of the sealing unit; the data transmission unit is connected with the detecting unit and the control unit; the control unit controls opening and / or closing of the air inlet and the air outlet; the detecting unit is composed of a temperature and humidity sensor, a pressure difference sensor, an oxygen content sensor and a cored temperature sensor. According to the tobacco stack physical air conditioning control device, through cooperation of the sealing unit, the air inlet, the air outlet, the detecting unit, the data transmission unit and the control unit, the air conditioning process can be simple, rapid and high in accuracy, and further, the technical defect in the prior art that safe air conditioning and air-conditioning efficiency and accuracy increase cannot be both taken into account can be solved.

The invention discloses a RFID (radio frequency identification) ultra-high-frequency safe air interface protocol applied to vehicle environments, which aims to increase communication efficiency and safety between an RFID reading device and an RFID tag in a vehicle application environment. The RFID ultra-high-frequency safe air interface protocol comprises the RFID tag, the reading device, a communication antenna, a background system, a bidirectional authentication mechanism and a storage protection mechanism of the RFID tag, the reading device is used for realizing information interaction with the RFID tag, the communication antenna is arranged between the reading device and the RFID tag, the background system is used for realizing information interaction with the reading device, the bidirectional authentication mechanism is arranged between the reading device and the RFID tag, a safety module is embedded in the reading device, another safety module is embedded in the RFID tag, bidirectional authentication is realized between the reading device and the RFID tag via the safety modules, and safety protection to storage of the RFID tag is realized by the aid of the safety modules and grading of storage areas of the RFID tag. Compared with the prior art, the RFID ultra-high-frequency safe air interface protocol has the advantages that interaction frequency is reduced, interaction time is shortened, and simultaneously safety performance of RFID application is improved.

The invention discloses a multifunctional safe air-inflation type illumination lighthouse device comprising a lighthouse top module, a lighthouse body module, and a lighthouse pedestal module. The upper end of the lighthouse body module is connected with the lighthouse top module; and the lower end of the lighthouse body module is connected with the lighthouse pedestal module. The lighthouse top module comprises an illumination module lamp, a protective hood, and a reflection plate. The illumination module lamp is fixed on the edge of the protective hood. The reflection plate is used as a lamp light collecting plate and is fixed on the bottom surface of the illumination module lamp. The lighthouse body module comprises an external flexible supporting column and multiple connecting chains for connecting the upper end with the lower end. The external flexible supporting column is connected by means of capable of being increased or decreased. The multiple connecting chains for connecting the upper end with the lower end are connected with an outer ring of the flexible supporting column by means of encircling the flexible supporting column, thereby constructing a lighthouse body with its height being able to be increased or decreased. The lighthouse pedestal module comprises a stabilizing box, a three-position forward-reverse switch, and an air supplying module. The air supplying module is fixed inside the stabilizing box. The three-position forward-reverse switch is fixed outside the stabilizing box; and the three-position forward-reverse switch is electrically connected with the air supplying module. A positive pressure fan and a negative pressure fan for conveying the air to the portion above the lighthouse pedestal module are arranged on the air supplying module.

The invention provides a fatal traffic accident calling-for-help device and belongs to the technical field of automobile safety. The problem that an existing automobile active accident alarming device is small in application range is solved. The fatal traffic accident calling-for-help device comprises a crash sensor which can detect the crashing situation of an automobile, a safe air bag control unit, and a smoke generator which can give out calling-for-help smoke. The crash sensor and the smoke generator are connected with the safe air bag control unit which can send control signals to the smoke generator to control the smoke generator to generate calling-for-help smoke after receiving automobile crashing signals sent by the crash sensor. The fatal traffic accident calling-for-help device has the advantages of being wide in application range, high in using safety and convenient to refit.

In a curtain type safe air bag device, a gas is smoothly and rapidly supplied from an inflator to a safe air bag. The air bag (1) is slenderly folded and accommodated in a vehicle roof portion (5), then the air bag (1) is unwound to form a curtain shape. An elongated body portion (25) of the inflator (25) is accommodated in a communication road (40) for communicating a first air chamber (41) witha second air chamber (42) and arranged along the length direction of the vehicle roof portion (5). An gas port (25b) of the inflator (25) is arranged at the side of the first air chamber (41) with bigvolume. The communication road (40) is narrowed by the body portion (25a) of the inflator to control the gas flow, compared with the second air chamber (42), more gas is supplied to the first air chamber (41).

The invention discloses an air purification exchanger which comprises a host and an air exhausting device, wherein air enters the air purification exchanger from an air inlet pipe of the host, a soft floss for carrying out primary filtering on the air is arranged in the air inlet pipe, the air inlet pipe is connected with a fan inlet, a fan outlet is connected with a pull-type filtering pool, the joint of the fan outlet and the pull-type filtering pool is provided with a diverter, air after being diverted enters the pull-type filtering pool to filter and then is released to an indoor space, and the air exhausting device is arranged on an upper beam of an indoor window. The air purification exchanger disclosed by the invention has the beneficial effects that on the basis of an indoor-outdoor air regenerating device and an indoor purification device on the market, the two are integrated, so that the needs of people on fresh air regenerating are satisfied, and the concerns on the current air quality are solved, thereby realizing the fact that fresh and safe air is always kept indoors. A medium for filtering outdoor air is mainly water, so that cumbersome maintenance and replacement processes are omitted, thereby saving the cost.

The invention relates to a novel microalgae haze-removing oxygen-rich air purifier device. The novel microalgae haze-removing oxygen-rich air purifier device consists of a PM2.5 detector, a single-chip microcomputer control system, a coarse filter layer, a centrifugal fan, a control panel, an algae layer, a light source, an activated carbon layer, a centrifugal pump, an algae layer liquid storagetank, a TiO2 photocatalyst purification layer, an Ag2O sterilization layer, an activated carbon layer, an acrylic shell, an air inlet and an air outlet. According to the air purifier device disclosedby the invention, microalgae purification, activated carbon adsorption and other technologies are combined, microalgae degrade PM2.5 through own metabolism, and oxygen being beneficial to human healthis released, so that clean and safe air is available indoors. By applying the air purifier device disclosed by the invention, harm to human body caused by high carbon dioxide concentration and high particle pollutant concentration in an airtight space can be reduced; especially in certain special airtight spaces such as manned spacecrafts and submarines, oxygen needs to be supplemented in time tolower carbon dioxide concentration.

The invention relates to an accessory for automobiles, in particular to an universal anti-explosive safe air cock for automobile tyres, which comprises an air cock body threaded with former air cock drum, a partition board in the air cock body, an air cock cap with a vent hole, an air-pressing bowl with a pipe, an air-pressing rubber ring in the air-pressing bowl with a pipe, a pressure rod passing through the partition board and the air-pressing bowl with a pipe, a compression spring disc integrated with the pressure rod, an air-charging spring located between the compression spring disc and the partition board, an air-pressing spring located between the air-pressing bowl with a pipe and the partition board, an ejector pin at the lower part in the air cock body, a seal ring at the joining site between the air cock body and the opening of the former air cock drum, an air-sealing bowl connected with the lower end of the pressure rod, and an air-sealing rubber ring adhered in the circular groove in the upper surface of the air-sealing bowl. The invention can both charge air and automatically discharge air so as to reduce pressure, and non-professional technical persons can easily use the invention in existing tyres.

The invention discloses a safe air bag module. The safe air bag module comprises an outer cover, an air generator, an air bag buffer and a retainer, wherein the air generator is combined with the outer cover, and stretching air is filled into the air generator; the air bag buffer is opened by the stretching air supplied by the air generator; and the retainer is arranged in the air bag buffer and combines the air bag buffer with the outer cover by using a fixing part.

The invention discloses an alarming device of an automobile initiative accident, and the alarming device comprises a PLC (Programmable Logic Controller). Two ends of a CCD (Charge Coupled Device) sensor module and a GPS (Global Positioning System) module which are connected in parallel are respectively connected with two ports of the PLC; one ends of five devices, namely a first manual switch, a second manual switch, a smoke sensor module, a safe air bag sensor module and a water level sensor module are respectively connected with five ports of the PLC and the other ends of the five devices are respectively connected with the anode of a first power supply; the cathode of the first power supply is connected with one port of the PLC; one ends of a short message alarming module and a communication module are respectively connected with the two ports of the PLC and the other ends of the short message alarming module and the communication module are respectively connected with the cathode of a second power supply; and the anode of the second power supply is connected with one port of the PLC. The alarming device of the automobile initiative accident can sends out an alarm to announce family members, departments, polices and hospitals when an automobile has accidents such as spontaneous combustion, water inflowing, traffic collision and rollovers.

The invention relates to a safe air curtain with droop prevention and temporary support structures, comprising an air cushion cover which is installed between an inner vehicle top plate on the side face of the vehicle and an inner plate of a vehicle body, an air cushion which is contained in the air cushion cover and is unfolded between passengers and a vehicle door when the inner pressure rises, an air generator which supplies compressed air for the air cushion during vehicle impact, and a droop prevention system which is inserted in the air cushion cover to support and prevent the air cushion cover from drooping and is adhered to the inner plate of the vehicle body through magnetic force. The safe air curtain with the droop prevention and temporary support structures can be more easily installed on the vehicle body by operators on a production line, the manufacturing technology is simple, the manufacturing process can be shortened and the assembly performance can be improved.

The present invention relates to an air bag deployment arrangement and a method for deploying an air bag using the air bag deployment arrangement. The air bag can be deployed into at least a first and a second deployment volume which is deployed dependent on the occupant position into at least a first or a second inflation pressure. The arrangement comprises at least one occupant positioning sensor arrangement (30), an inflator device (20) to inflate said at least one air bag (10), and at least one impact sensor (8, 9). The arrangement provides for a safe air bag arrangement which can be deployed into a multiple of ways and which therefore is very flexible and versatile.

The invention provides a UUV multidirectional collision avoidance capability training system with a safe protective air bag and belongs to the technical field of UUV autonomous collision avoidance. The UUV multidirectional collision avoidance capability training system aims at solving the problem of collision damage likely occurred in the collision avoidance capability training process of a UUV and comprises a retractable safe air bag, a five-unit range finding sonar, a collision avoidance computer, an inflation and deflation system and a valve group. The five-unit range finding sonar is used for detecting obstacles in the front, top, bottom, left and right directions and the distances from the UUV to the obstacles. The collision avoidance computer conducts closing control on the valve group and enables the inflation and deflation system to inflate or deflate the retractable safe air bag according to the situation whether the detected distances from the UUV to the obstacles are within a safe critical distance range, and further utilizes the retractable safe air bag to protect the UUV against obstacle collision. The UUV multidirectional collision avoidance capability training system solves the problem of UUV collision damage, further achieves recycle of the safe air bag and effectively improves the collision avoidance capability training efficiency of the UUV.

The invention discloses a safety device of an emergency survival system of an aircraft, comprising a safe parachute 1, a safe air bag 2, a safe bay 3, a locking and unlocking switch 4 and an intelligent sensor 5. When an aircraft has emergency faults and can not be artificially controlled to safely land, the intelligent sensor 5 of the aircraft transmits an instruction to the unlocking switch, theunlocking switch acts instantly to separate the safe bay 3 from an aircraft body, an aircraft head, aircraft wings and an aircraft tail of the aircraft, the safe parachute which is arranged on the upper part of the safe bay is opened simultaneously, a life maintenance system and an emergency communication system which are arranged in the safe bay are started, the safe bay of the aircraft descendsunder the traction of the safe parachute, and the safe air bag which is arranged on the lower part of the safe bay is quickly inflated to swell so as to reduce the impact force between the safe bay and the ground, thereby the safety of passengers in the safe bay can be ensured.

The invention relates to the field of fire protection equipment, in particular to a fire protection safe air cushion and a using method thereof. The fire protection safe air cushion comprises a base plate, an air bag is arranged on the base plate, a transverse sliding groove is formed in the position, in the air bag, of the base plate, and a transverse double-end telescopic cylinder is fixed intothe sliding groove between two sliding plates; lug plates are fixed to the left and right sides of the lower end face of a holding plate, and the lug plates are connected with the sliding plates on the same sides through connecting rods; a rubber layer corresponding to the holding plate is fixed to the inner edge of the upper end of the air bag, one-way air inlet nozzles are fixed to the air inletends of air inlet pipes, and an air discharging pipe communicating with the inner part of the air bag is fixed to the right side of the lower end of the air bag; and a draught fan is fixed to the right side of the base plate, an air outlet of the draught fan communicates with the air bag through an air passage on the base plate, fixed plates are fixed to the left and right sides of the air bag, and the fixed plates are provided with hooks and elastic straps. According to the fire safe air cushion and the using method thereof, the structure is simple, the operation is convenient, rapid expansion and contraction can be achieved, the rescue speed is increased, and casualties can be reduced.