170 results about "Supplied-air respirator" patented technology

The present invention pertains to a supplied air respirator that uses an adjustable length hose as a conduit between the respirator facepiece and the clean air supply source.

The invention discloses an intelligent information collecting device on a disaster site. A communication module, a temperature and pressure sensor, a micro sensor, an RFID reading instrument, a gyroscope, a vital sign detector and the like are designed to be additionally arranged. The several innovative functions of man positioning, telecommunication, motion state detection, air respirator pressure monitoring, external environment (temperature and pressure) detection, vital sign monitoring and the like inside a building are further achieved, and all detecting parameters can be transmitted to a field managing rescue platform in real time. The intelligent information collecting device on the disaster site is reasonable in structure, improves the fire protection and rescue efficiency, lowers the life and property loss to the minimum degree, and improves the life safety guarantee level.

The invention discloses an intelligent firefighting rescue command and dispatch system. The intelligent firefighting rescue command and dispatch system comprises a main individual transmitter, a positive pressure air breathing apparatus, an intelligent firefighting bracelet, an audio and video helmet, a Mesh network repeater, an interphone, an emergency command box, a positioning module and a main positioning IPC (Industrial Personal Computer), wherein the main individual transmitter performs information exchange with each of the positive pressure air breathing apparatus, the intelligent firefighting bracelet, the audio and video helmet and the Mesh network repeater through the wireless network, the Bluetooth, signal lines and the Mesh network, so as to monitor the on-site rescue situation in real time; the emergency command box performs information exchange with the 119 command center through 4G; and the positioning module is connected with the main positioning IPC through a wireless serial port to realize the positioning of rescue workers. According to the intelligent firefighting rescue command and dispatch system, the seamless information integration of a plurality of departments is realized through the effective network convergence, and meanwhile the vital signs of rescue workers and the air pressure values in air bottles can be monitored in real time, an early warning is given to the rescue workers, and the expansibility is good due to reserved interfaces.

The present invention discloses a backpack tiny water-fog extinguishing device, and comprises a backplate (5), a liquid storage tank (14) and a spraying gun (10), wherein, one side of the liquid storage tank (14) is provided with a high-pressure gas bottle (13), and the backplate (5) at the other side of the liquid storage tank (14) is provided with a gun cylinder (21) that is used for holding the spraying gun (10); the high-pressure gas bottle (13) is connected with a reducing valve (12) that is provided with one inlet connection port and two outlet connection ports; one way of the reducing valve (12) is connected with the upper part of the liquid storage tank (14) through a retaining valve (6), and the other way of the reducing valve (12) is connected with a positive-pressure air respirator (20); the positive-pressure air respirator (20) comprises an absorber reducing valve (15) that is provided with one inlet connection port and two outlet connection ports, a pressure meter (1) and an breathing mask (8), which are connected with the two outlet connection ports; with the structure, the backpack tiny water-fog extinguishing device can effectively extinguish the fire of category A, B and E; compared with the traditional device, the backpack tiny water-fog extinguishing device has more scientific and reasonable structure, and is simpler and more high-efficient to be used.

An oil leak prevention device of an automatic transmission can minimize oil leaks by reducing scatter of ATF in an upward direction during revolution of a differential gear. The device includes an oil plate installed on the scattering path of automatic transmission fluid inside an automatic transmission to prevent oil from reaching and leaking from an air breather by blocking the automatic transmission fluid scattered during differential gear revolution.

The invention discloses a backpack effervescent atomization water mist fire extinguishing device, which belongs to the field of fire control extinguishing. According to the technical scheme adopted in the invention, the device consists of two compressed air bottles, a water tank and a specially-designed effervescent atomization water mist spray gun, wherein the assemblies are fixedly arranged on a back plate, and are backed through belts. Air in one of the two compressed air bottles is used by an air respirator through a hose, and air in the other compressed air bottle is used by a water mist generating system. The device is formed by integrating a water mist fire extinguishing device and the air respirator, so that the life safety of fire extinguishing personnel can be ensured during rapid and efficient fire extinguishing. The device can be used for effectively extinguishing type A, B and E fire disasters, and is particularly effective to initial fire disasters of types A, B and E and small fire disasters.

The invention discloses an air respirator with a pressure head-up system. The air respirator comprises an air capacity detecting device for an air storing bottle, and an air capacity display device for the air storing bottle, wherein detecting data is transferred between the detecting device and the display device in a wireless manner; a wireless data delivery module is arranged in the detecting device, and a wireless data acceptance module is arranged in the display device; the two modules are connected in a wireless manner after signal matches; the display device is arranged in a face guard of a breathing apparatus in a clamping and connecting manner to be fixed between a face guard window and a respirator of the face guard to be capable of being used with different kinds of face guards in a combined manner; the contact position of the display device and the face guard window is arranged into the shape of a spherical surface jointed to the face guard window; the detecting device is connected with the air storing bottle through a high pressure gas pipe; the detecting device is also provided with a falling warning device for users.

The invention provides an intelligent monitoring device and method for the air respirator state. The intelligent monitoring device is composed of a central control unit, a power supply unit, a pressure sensor unit, a switch control unit, a liquid crystal display unit, an indicator lamp unit and a vibration prompting unit. The central control unit is the core of the whole intelligent monitoring device and is connected with the switch control unit, the pressure sensor unit, the liquid crystal display unit, the indicator lamp unit and the vibration prompting unit. The central control unit, the switch control unit, the pressure sensor unit, the liquid crystal display unit, the indicator lamp unit and the vibration prompting unit are installed on the same circuit board as a whole. The power supply unit is connected with the units through power supply lines. The intelligent monitoring method for the air respirator state includes two steps. The monitoring device can be aligned with an air respirator to conduct real-time monitoring and alarming on the current air pressure and can estimate the available remaining time according to the estimation method, the digitalized display method is adopted for the intelligent monitoring device, reading is convenient, and the vibration alarming can be provided when the remaining air amount is smaller than 5 Mpa.

The bottle valve for air respirator includes valve body and handle. The valve body is connected to the handle via piston sleeve, and the piston inside the piston sleeve has its lower end corresponding to the high pressure air hole and decompression air hole in position. The piston core has ventilation hole, the movable bolt is inserted between the push rod and the handle, and some spring is set between the valve body and the piston. The bottle valve has light weight, small volume, convenient carrying about and simple operation, as well as stable decompression effect, homogeneous air flow and comfortable use.

The invention provides an intelligent monitoring system for an air respirator, which can monitor pressure in an air bottle and perform voice broadcast on information including real-time air pressure, available air supply time and the like. The intelligent monitoring system for the air respirator is mainly composed of a pressure sensor, a single chip microcomputer, a voice synthesis module, a voicing device, a power supply unit and a control unit. The intelligent monitoring system for the air respirator has the advantages of overcoming the shortcomings of pressure display and an alarming device of a traditional positive pressure type air respirator.

The invention discloses an automatic device for cleaning, sterilizing and drying an air respirator mask. The device comprises a box body, a base, an electric control compartment, a cleaning inner container box, a PLC controller, a cleaning chamber door, a first water inlet connector, a first row of water connectors, a hot air exhaust duct, a funnel, a storage box, a hot air inlet pipe, an air inlet cover, an air outlet cover, a top partition plate, an ultraviolet lamp tube, a speed reducer, a hot air blower, a supporting frame, a face mask hanging plate, an ultrasonic vibration head, a heatingpipe, a second row of water connectors, a first floating ball switch, a water pass plate, a second water inlet connector, a second floating ball switch, a first temperature sensor, a second temperature sensor and a flushing pipe. The invention also discloses a cleaning achievement method of the automatic device for cleaning, sterilizing and drying the air respirator mask. By adopting the above scheme, the automatic device has the advantages of being simple in structure, automatic in control, capable of achieving in-place protection, high in cleaning efficiency and the like and has a very highpractical value and popularization value in the technical field of cleaning and drying.

The invention discloses a voice communication controller and a communication system for a positive pressure air breather, which can perform voice communication clearly and accurately and strengthen team communication effectively. The communication system comprises a voice communication controller, a first MIC (Microphone) and a second MIC. The first MIC and the second MIC are both installed in a mask of the positive pressure air breather, the first MIC and the second MIC are connected with the voice communication controller by data lines, and the voice communication controller is connected with a worn interphone. In a site working process, workers wear the positive pressure air breather, the voice communication controller and the interphone on the body; the first MIC and the second MIC automatically control the voice signal so as to communicate with other workers by the interphone. The voice communication controller and the communication system for the positive pressure air breather not only can effectively release double hands of the rescue workers and effectively strengthen the team communication by a clear talking effect, but also transmit the voice signal more clearly, accurately and reliably, with wide market prospect.

The invention relates to a flow-type micro fire station. The flow-type micro fire station is characterized in that: a fire station is arranged in an electric vehicle compartment; the compartment is partitioned into five layers from bottom to top; fire hats, fire clothes and fire gloves are fixedly placed on the fifth layer of the compartment; fire boots and medical first-aid cases are fixedly placed on the fourth layer on the compartment; a backpack fire extinguishers, movable fire extinguishers, hydraulic guns and water belts are fixedly placed on the third layer of the compartment; forcibleentry tool sets, throwing extinguishers and dry powder fire extinguishers are fixedly placed on the second layer of the compartment; fire axes, insulating pliers, emergent illumination lamps, flashlights, smoke-toxicity preventing masks and air respirators are fixedly placed on the first layer of the compartment; foldable ladders, stretchers and solar electromagnetic plate are fixedly placed on the roof; spotlights, warning lamps and loudspeakers are fixedly arranged on the edge of the top of the vehicle. The flow-type micro fire station integrates fire control propaganda, maneuvering patrol and fire extinguishment, is quick in wartime response speed, and can be used for rapidly extinguishing strong fire disaster.

The invention discloses a self-feeding channel-opened / closed positive pressure air respirator comprising a compressed air bottle, an all-face mask, a safety valve, a pressure-reducing valve, an air distributor, a ration air supply valve, an inhalation control valve, an exhalation control valve, an exhalation gas-guide tube, an inhalation gas-guide tube, an external connection rapid port, a clean pot, a Venturi tube valve, a cooling box, a gas temporary storage box, a purge valve, a triple valve, an air gauge, an alarm, a shoulder-hanged display gauge and an intelligent sound box. A fireman can safely use the self-feeding channel-opened / closed positive pressure air respirator for a long time. According to the self-feeding channel-opened / closed positive pressure air respirator, compressed air is used as a main air source, the service time of the limit compressed air can be prolonged in practical applications through cooperation with a carbon dioxide purifying and conversion device and a cooling system device, wherein the cooling system device is used for controlling the direction of air flow and branching the air flow. When a fireman rescue people in the scene of a fire, he can use the self-feeding channel-opened / closed positive pressure air respirator to protect himself in a danger, poisonous, high temperature and anoxic environment for enough time to rescue people or do other special tasks.

Powered air respirators include a helmet, a filtering assembly within the helmet, and a face shield assembly pivotably attached to and depending from the front of the helmet and in fluid communication with the filtering assembly by a filtered-air passageway. The filtering assembly includes a blower assembly including an filtered-air outlet and an inlet, the filtered-air outlet being in fluid communication with the filtered-air passageway, a filtered-air plenum chamber in fluid communication with the inlet of the blower assembly, a filter member adjacent to, and in fluid communication with the filtered-air plenum chamber, and a contaminated-air plenum chamber adjacent to, and in fluid communication with the filter member and in fluid communication with a contaminated-air inlet.

The invention relates to an air respirator. The air respirator comprises an air supply source and a vibrating alarm device, wherein the air supply source is used for supplying air to the air respirator. The air respirator is characterized in that: when the input pressure of the air from the air supply source declines to be lower than the predetermined input pressure, the vibrating alarm device generates vibration to give an alarm to a user.

The invention discloses an indoor positioning and path planning method for a fire extinguishing rescue condition. The method involves a server platform of an emergency site command center, a GPS positioning module of a fireman, an inertial navigation module, an air respirator with augmented reality glasses, and terminal equipment for information processing and transmission. A conversion relationship between an inertial navigation coordinate system and a world coordinate system is obtained through GPS positioning and inertial navigation positioning; the specific position of the fireman in a building is obtained; and an indoor optimal path from the fireman to a target position is planned according to a target position specified by the command center. According to the method, the fire extinguishing rescue action speed of firefighters can be effectively increased, and the action safety of the firefighters can be guaranteed.

The invention discloses a positive-pressure firefighting air breather. The positive-pressure firefighting air breather comprises an air bottle 1, wherein the air bottle 1 is fixed on a base; an air bottle 2 is additionally fixed on the base; an electromagnetic valve is mounted in the communicated position of the air bottle 1 and the air bottle 2; the air bottle 1 and the air bottle 2 are fixed on a back plate by a fixed belt connected to the middle of the back plate; a carbon dioxide concentration sensor and a pressure sensor for detecting the pressure of air in the air bottle 1 are arranged at the bottom of the air bottle 1, and are both connected with a microcontroller; the microcontroller is additionally connected with a power supply module for supplying electricity and the electromagnetic valve; and the microcontroller and the power supply module are both fixed in the base. The positive-pressure firefighting air breather solves the defect of easy explosion in rising of the environmental temperature of a traditional positive-pressure firefighting air breather, and can realize the circulating oxygen supply.

The invention discloses a mobile rapid compressed air charging device. The mobile rapid compressed air charging device consists of a mobile carrier, a power supply part, an efficient air charging machine, a cooling part, a high-pressure air storage device, a control pipeline, an antiexplosion box and supported equipment of an air charged device, wherein the mobile carrier is a vehicle chassis or a trailer chassis for bearing other parts; the power supply part is connected with the efficient air charging machine and the cooling part; the efficient air charging machine is connected with the high-pressure air storage device via the control pipeline; the high-pressure air storage device is connected with the support equipment of the air charged device via the control pipeline; the efficient air charging machine is also connected with the support equipment of the air charged device via the control pipeline; the support equipment of the air charged device is installed in the antiexplosion box. The mobile rapid compressed air charging method comprises six major steps. The mobile rapid compressed air charging device and method are applicable to minitype mobile rescue and field fight, is suitable for national conditions of China and the practical need of charging air respirators in the field, and has obvious military benefit and social benefit.

The invention relates to an air breathing device integrating a head-up display function and a communication function. The air breathing device comprises a backing tool, an air cylinder tightening belt is arranged on the upper middle portion of the backing tool, and a strap assembly is arranged on the lower portion of the backing tool. A sending end box of a head-up display device is arranged at the position, located in the middle of the strap assembly, of the lower portion of the backing tool, the sending end box comprises a left box body and a right box body, the backing tool is connected with a pressure reducer which is connected with a pressure reducer end medium pressure pipe, a duplex female rapid insert is connected between the pressure reducer end medium pressure pipe and the other end of an output line above the right box body, the duplex female rapid insert is in butt joint with a duplex male rapid insert which is connected with an air supply valve, the receiving display end of the head-up display device is arranged on the air supply valve, and the air supply valve is connected with a full face mask; a communication sound amplification device is arranged on the full face mask; the left box body is connected with the display device through a cable. The air breathing device reduces the weight of the communication full face mask, lines on the chest of a firefighter are simplified, the phenomenon that a hook and a line pipe intersect when the air breathing device is used is greatly avoided, the safety is improved, and the air breathing device is attractive and convenient to use.

The invention relates to a positive-pressure automatic temperature control refrigerating fire-fighting air respirator for fire equipment, wherein the bottom of an assembly box is provided with a carbon dioxide flask, an air flask, a freezer and a fixed sleeve; the right end of the fixed sleeve is fixed with an air reducing valve and the left end of the fixed sleeve is fixed with a carbon dioxide reducing valve; the air reducing valve is connected with an air outlet nipple of the air flask and the carbon dioxide reducing valve is connected with an air outlet nipple of the carbon dioxide flask; air outlets of the air reducing valve and the carbon dioxide reducing valve are respectively connected with respective air inlets of the freezer through ducts; an air outlet of the freezer is connected with an air suction mask; the inside of a box body is also provided with an electric automatic temperature control part; and the inner surface of the assembly box is uniformly laid with a layer of heat-insulating materials. The positive-pressure automatic temperature control refrigerating fire-fighting air respirator has a simple structure and light weight, is convenient to be carried and operated by a single person, utilizes carbon dioxide to freeze air in the respirator, provides the air at a temperature of between 17 and 40 DEG C and the service time of 15 minutes in a high-temperature environmental field with 220 DEG C for firefighters and succors, and is an ideal high-temperature environmental lifesaving appliance.

The invention relates to a pharmaceutical machine, particularly to a sterilizing mixer. The sterilizing mixer comprises a rack, a power device and a material mixing device, wherein the power device is arranged on the rack, and the material mixing device is connected with a PTO (power take-off) main shaft of the power device and rotates along the main shaft; the material mixing device comprises a material mixing drum body and a material exit which is arranged at the bottom of the material mixing drum body, the material exit is provided with a connecting device which is connected with a material drum and can be sealed with the material drum, and the material mixing drum body above the connecting device is also provided with a feed / discharge butterfly valve; and an air breathing apparatus and a cleaning device are arranged on the material mixing drum body. Due to the structure, the sterilizing mixer provided by the invention has the advantages that: the risk of polluting materials is reduced, an effect of online cleaning, sterilizing and drying is achieved, the labor intensity of workers is reduced, the finished product ratio of medicaments and the pharmaceutical efficiency are improved, and the sterilizing mixer also conforms to 2010-version GMP (Good Manufacturing Practice) requirements.

The invention discloses a flame-retardant headband material. The headband material comprises, by weight, 70-100 parts of natural rubber, 10-30 parts of chloroprene rubber, 5-20 parts of zinc oxide, 2-10 parts of magnesium oxide, 2-10 parts of stearic acid, 2-10 parts of sulfur, 1-5 parts of accelerant DM, 1-5 parts of accelerant M, 1-5 parts of accelerant NA-22, 20-50 parts of decabromodiphenyl ether, 15-40 parts of antimonous oxide, 1-5 parts of antiager D, 1-5 parts of antiager MB, 30-50 parts of argil, 5-15 parts of calcium carbonate and 5-15 parts of carbon black N220. The headband material conforms to the standard for mask headband materials after being inspected by GA 124-2004 Positive Pressure Air Breathing Apparatus and meets conditions after being authenticated through experiments, thereby starting to be produced in batch currently.

The invention discloses a full-automatic cleaning, disinfecting and drying all-in-one machine for an air respirator face mask. The machine comprises a shell, a cleaning bin and a fixed rotating disc arranged in the cleaning bin are arranged in the shell, the fixed rotating disc is connected with a cleaning rotating disc motor, cleaning nozzles and a drying air inlet are formed in the positions, onthe peripheral side of the fixed rotating disc, of the cleaning bin, and an air outlet is formed in the shell; the cleaning nozzles are connected with a high-pressure water pump, and the high-pressure water pump is connected with a cleaning water tank; and the drying air inlet is connected with a drying fan through a drying air inlet pipe, and an air heater is arranged on the drying air inlet pipe. The machine is reasonable in structural design, convenient to use, high in automation degree, high in cleaning quality, comprehensive in function, capable of automatically cleaning, disinfecting and drying the air respirator face mask, and high in working efficiency.

The invention provides a pre-alarm air respirator. The pre-alarm air respirator is characterized in that the pre-alarm air respirator comprises a back frame, an air cylinder inserted into the back frame, a pressure reducer arranged on the back frame and connected with the air cylinder, a medium-pressure air guiding pipe arranged on the back frame, an air supply valve connected with the other end of the medium-pressure air guiding pipe, and a mask connected with the air supply valve, wherein the pressure reducer is used for lowering the pressure of compressed air in the air cylinder and providing air with reduced pressure for a user; one end of the medium-pressure air guiding pipe is connected with the pressure reducer, and the medium-pressure air guiding pipe is used for conveying compressed air with reduced pressure to the user for use; the mask is worn on the face of the user; the air supply valve is provided with a vibrator arranged on the air supply valve; when the pressure reducer outputs the stable preset pressure which is above the preset normal air pressure under the air source pressure in the air cylinder, the pre-alarm air respirator works normally; and when the pressure output by the pressure reducer is decreased to the preset minimum air pressure under the air source pressure in the air cylinder, the pressure reducer outputs the pressure which is above the preset output air pressure under the action of a piston and a spring which are connected in series, the vibrator on the air supply valve is driven to vibrate, and an early alarm is provided.

The invention discloses a pressure display device of an air respirator. The pressure display device of the air respirator is characterized by comprising a shell, an inlet connection, a pressure measurement device and an air pressure sensing device. The pressure measurement device and the air pressure sensing device are respectively connected on the inlet connection. The pressure measurement device and the air pressure sensing device together form a pressure display device body which is accommodated in the shell. The pressure display device of the air respirator has the advantages that the integrated pressure display device is simple in structure, convenient and fast to assemble and capable of timely sending air pressure information of the air respirator to a saving alarm and then sending the pressure information to a backfield receiving device, backfield command staff are beneficial to timely knowing scene conditions and giving a command, and accidents are prevented from happening.

The invention discloses a full-automatic washing, disinfecting and drying integrated machine for an air respirator. The machine comprises a housing in which a washing bin is arranged, wherein an air respirator washing fixing turntable is mounted in the washing bin and is connected to a washing turntable motor; a washing nozzle and a drying air inlet are mounted above the air respirator washing fixing turntable. The machine is reasonable in structure design, convenient to use, high in automation degree, high in washing quality, complete in functions, capable of automatically washing, disinfecting and drying the air respirator, and high in working efficiency.

The invention relates to an air respirator filling pump with a cylinder body being provided with a cooling device, which comprises a compressor device, a driving motor and a stand, wherein the compressor device comprises a multilevel compressed air cylinder, wherein a cylinder body of the compressed air cylinder is provided with a hollow guide groove. The wall of the cylinder body of the compressed air cylinder of each level is provided with the guide groove, so when in use, coolant flows through the guide groove, and the compressor device can be effectively cooled. The coolant can radiate the heat through the circulating flow inside the guide groove via a pump, a water box and a cooling box, and the heat radiation also can be realized by utilizing external tap water or water source with a given pressure to flow inside the guide groove. The cylinder body is provided with the guide groove, so the cooling effect of the compressor device is greatly improved, the long-term continuous work can be realized, the running service life and the reliability can be greatly improved, and the temperature of the output gas can be reduced. The air respirator filling pump can be widely applicable to the fields such as military, chemical engineering, ships, petroleum, smelting, warehouse, high-voltage test, enterprise, mines and the like.

A safety breathing apparatus has a sensor for measuring the difference in pressure between two point in the gas delivered to a head unit. The sensor is used to measure the difference in the pressure of the gas supplied through the apparatus between the two points in the gas flow, and the pressure difference is then used to calculate the gas flow rate.

Embodiments in accordance with the present invention provide a magnetic disk drive that reliably prevents entry of water or other form of liquid through a breathing hole for the enhanced performance, reliability, and the like. In one embodiment, a box body forming part of a hard disk drive (HDD) has a top cover. The top cover includes a breathing hole drilled therein. The breathing hole serves to eliminate any pressure difference between an inside and an outside of the HDD. A fiber waterproof body, which includes a waterproof fiber material or the like, is fitted in a large-diameter hole of the breathing hole. A pore waterproof body, formed by bundling up a large number of slender pores, is mounted in a small-diameter hole of the breathing hole.