1122results about "Respiratory apparatus" patented technology

The utility model discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform is provided with a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly accommodated and stored, indoor environment air can be purified, and the like.

The invention discloses a clean storage system for a household breathing machine. The machine body is provided with a breathing machine placing area, a storage device, an air purification system and a display control component, an air outlet is at least formed in the breathing machine placing area or the part, close to the breathing machine placing area, of the machine body, the storage device is provided with a storage chamber, an exhaust port and a storage port capable of being opened and closed, and the storage chamber is communicated with an air supply device. The air purification system is provided with a fan, an air purification device, an air outlet and an air inlet, an airflow channel in the machine body in the air outlet direction of the air purification device is a clean air area, the air outlet communicates with the airflow channel, the breathing machine containing area forms the clean air area, and the air supply device sucks clean air. The household breathing machine platform has a special platform space for placing various types of household breathing machines, has an air source filtering and purifying function, and has the advantages that accessories / parts of the household breathing machines can be cleanly stored, indoor environment air can be purified, and the like.

The invention discloses personal life support equipment in a high-altitude environment and a cooperative control method thereof, and relates to the technical field of personal life support equipment, and the equipment comprises a respiration sensor which is arranged on a mask and is used for detecting respiration frequency and phase; the blood oxygen and heart rate sensor is worn on the wrist of the user and used for detecting the blood oxygen saturation degree and the heart rate; the body temperature sensor is attached to the chest of the user and used for detecting the core body temperature; the automatic oxygen supply device is used for providing oxygen; the intelligent heating device comprises partition heating pieces attached to the chest and the four limbs of the user and is used for partition heating; the microcontroller unit is used for formulating an optimal life support strategy according to the sensor data and intelligently and cooperatively controlling the working states of the automatic oxygen supply device and the automatic heating device according to the optimal life support strategy; the sensor data comprises respiratory frequency and phase, oxyhemoglobin saturation, heart rate and core body temperature, and dynamic oxygen supply and body temperature adjustment can be cooperatively controlled.

The present disclosure provides embodiments of a personal protective device which include one or more sensors. The personal protective device is in the form factor of a filtered mask to cover the nose and the mouth of the subject when in use. One or more sensor modules are connected to the mask for detecting one or more parameters related to an inhalation and or exhalation of the subject. The mask is held onto the face of the subject by one or more support members.

A wearable air purifier is provided and includes a headgear, an air delivery mask, and a fan. The air delivery mask is connected to the headgear and bounds an air delivery region. The air delivery mask is further configured to define a first airflow path to deliver a flow of air to the air delivery region. The headgear defines a second airflow path. The fan is configured to direct airflow to the first airflow path and the second airflow path.

Disclosed are methods and / or a system of incident based camera device activation in a safety system of a structure having a fixed piping system implemented therein to supply breathable air thereacross. In accordance therewith, one or more sensor(s) associated with one or more component(s) of the safety system is integrated with a computing platform executing on a data processing device. Based on the integration of the one or more sensor(s) with the computing platform, one or more environmental parameter(s) of the one or more component(s) of the safety system is sensed. One or more camera device(s) in a vicinity of and / or on the one or more component(s) of the safety system is automatically activated based on determining, from the sensing, occurrence of an incident.

Methods, apparatuses, and systems for mechanically releasing a predetermined amount of supplemental oxygen to a user via a mechanical initiator are disclosed with the release of the amount of supplemental oxygen based on and in response to the combined factors of a user's determined oxygen consumption based on sensing a user's inhalation combined with determining the ambient pressure in the area of the user.

The utility model discloses an intelligent information display device based on an air respirator, which is connected with a three-way joint, and the three-way joint is respectively connected with a mechanical pressure gauge and the air respirator; the information intelligent display device comprises a display device interface, one end of the display device interface is connected with the three-way connector, and the other end is provided with a pressure sensor which is electrically connected with a control module. Based on the intelligent information display device of the air respirator, the effective numerical value of the air volume is visually displayed, in the on-site rescue process, rescue workers can clearly know the remaining use time of the air expiration volume, on-site commanders can know the use condition of the air respirator of the rescue workers in real time, rescue task work can be conveniently carried out, and the work efficiency is improved. And the safety and the operation efficiency of the rescue team members during the execution of the rescue task are improved.

A safety helmet for a firefighter includes an outer shield having a neck opening and a front opening, a hinge located on an upper region of the front opening of the outer shield, a fire-retardant foam liner, a face shield including a sensor carrier attached to the hinge, a particulate air filter, a light emitting diode (LED) light strip, a mask mechanism configured to attach to the tapered nose opening of the transparent screen and the particulate air filter, a heads-up display (HUD) connected to an upper region of a proximal edge of the mask mechanism which faces the tapered nose opening, an oxygen port connected to the mask mechanism, a mask body connected to a distal edge of the mask mechanism, a speaker and microphone unit attached to the mask body, and a regulator nose cone.

The utility model discloses a standby power type air supply long pipe respirator which comprises a respirator main machine and an air inlet chamber, the air inlet chamber is fixedly assembled at the upper right corner in the respirator main machine, a processing chamber is fixedly assembled at the lower left corner in the respirator main machine, and two sets of parallel air inlets are formed in the left side of the outer wall of the processing chamber. A group of negative pressure fans are fixed at the air inlets, a group of filter elements are fixedly clamped at the air inlets, and an automatic brushing mechanism used for cleaning the filter elements to prevent blockage from affecting breathing is arranged in the treatment chamber. According to the standby power type air supply long pipe respirator, by arranging the automatic cleaning and brushing mechanism, particulate matter is prevented from being attached into the filter elements to affect the air flow, it is guaranteed that one of the two sets of negative pressure fans can work smoothly when the respirator is used, and even if one set of filter elements is blocked, the other set of filter elements are not affected to be used; the influence of the blockage phenomenon in the working process on breathing safety is prevented, and the problem of blockage of the filter element is solved.

Introduced here is a face mask system having a mask enclosure that contains, or otherwise directly supports, an automated liquid-droplet dispensing mechanism (ADM) for humidification. In operation, the enclosure and ADM are compact and lightweight so that when worn by a user can be supported entirely by the user's head and neck. The enclosure can be comprised of one or more layers of breathable fabric adapted to flexibly conform to the face of a user when worn and form a cavity that is adjacent to the user's nostrils and mouth. The ADM can be comprised of a reservoir in which liquid is stored, a respiratory cycle detector, a timer and controller, and a droplet dispenser that controllably dispenses droplets of the liquid from the reservoir into the cavity for inhalation by the user.

A filtering facepiece respirator is provided. The filtering facepiece respirator includes a facemask adapted to fit over the nose and mouth of a wearer, where the facemask comprises a mask body containing a filtering structure. A harness is coupled to the mask body for securing the facemask on the face of the wearer, and a mechanical valve is coupled to a portion of the mask body proximate the wearer's mouth. The valve may be adjusted between a first mode of operation and a second mode of operation, where in the first mode of operation is permitted to flow through the valve on exhalation but not on inhalation and in the second mode of operation air is obstructed from flowing through the valve on exhalation and inhalation. There is an optional third mode of operation where air is permitted to flow through the valve on inhalation and exhalation.

A pressure reducer for a self-contained breathing apparatus (SCBA). The reducer may include an integrated pneumatic alerting device with an upstream antechamber, and an integral refill air passage with a first end that is fluidically connected to a refill air inlet of the reducer and with a second, opposing end that is fluidically connected to the upstream antechamber of the integrated pneumatic alerting device.

A flow through photochemistry apparatus and methods of use are disclosed in the present application. One or more reactant materials are passed through a reaction chamber and are exposed to electromagnetic radiation. The reaction chamber has reflective walls arranged to reflect electromagnetic radiation across the volume of the chamber a plurality of times, thereby increasing the probability of the electromagnetic radiation interacting with the reactive materials. The reaction chamber may be used for sterilization and photochemistry applications.

Disclosed are methods and a safety system implemented within a structure of automatic modification of a rate of filling an air bottle with breathable air in the safety system. In accordance therewith, an air fill charge rate controller device is coupled to the breathable air from a source thereof in the safety system having a fixed piping system installed within the structure for supply of the breathable air across the safety system. A flow rate of the breathable air from the source thereof is detected through a flow sensor associated with the air fill charge rate controller device. In accordance with the detection of the flow rate, a control unit of the air fill charge rate controller device automatically modifies a fill rate at which the air bottle is to be filled with the breathable air.

An electronically controlled tactile alert system for use in equipment, such as personal protective equipment like respiratory protection systems used in firefighting, comprising one or more sensors, a processor, and an actuator to generate impulses that are tactilely sensed by a user of the equipment.

The present application provides an oxygen respirator monitoring and alarm method and system, relating to the technical field of oxygen respirator monitoring and alarm technology. The key technical aspects of the method are: obtaining a firefighter's response to a preset status confirmation request and monitoring parameters related to the firefighter's physiological discomfort; determining whether there is a preset correlation between the obtained response result and abnormal fluctuations in the monitoring parameters, indicating that the firefighter failed to effectively respond to the status confirmation request due to physiological discomfort; and when the determined correlation meets the preset correlation analysis rules, determining that the firefighter is at risk of early disability due to non-hypoxia reasons, where oxygen supply is sufficient but mobility may be impaired, and issuing a warning or alarm. The oxygen respirator monitoring and alarm method and system provided by the present application have the advantages of improving alarm accuracy and compensating for the shortcomings of traditional oxygen respirator alarm systems that focus primarily on oxygen supply safety.

A respiratory mask system includes a mask interface and a headgear assembly. The headgear assembly is adjustable and comprised of an elastic portion, a non-elastic portion and a restriction mechanism configured to provide a force resisting movement of the non-elastic portion when the elastic portion is extended. There is a support beam coupled to the non-elastic portion and extending along a portion of the headgear that is curved along its longitudinal extent. In this way particular seal modules can be comfortably fitted to a user and any blow off force is mitigated. A particular example of the respiratory mask system includes provision for removable attachment between the seal and a mask frame, the mask frame and a yoke of the headgear; and between a conduit and the mask frame.

A method includes implementing a booster pump as an interface between a number of air storage tanks and one or more primary source tank(s), where the number of air storage tanks is coupled to a fixed piping system and has breathable air stored therein at a first pressure, and the one or more primary source tank(s) is also coupled to the fixed piping system and serves as a source of breathable air stored therein at a second pressure. The method also includes maintaining the second pressure of the breathable air stored within the one or more primary source tank(s) above a threshold thereof in accordance with solely activating the booster pump in response to detecting, through a pressure sensor, a demand on the one or more primary source tank(s) by way of the second pressure of the breathable air stored therein dropping below the threshold.

The utility model discloses a waist buckle assembly, which comprises a waist buckle, a waist buckle, an elastic piece and a connecting piece, wherein the body of the waist buckle is provided with an opening for a waistband to penetrate through so as to be fixed; the waist buckle assembly comprises a waist buckle body and a shell, the shell is connected to the waist buckle body in the mode that the waist buckle body can rotate around a rotation axis, the shell is provided with a pipe connector and located on the far side of the waist buckle, and the waist buckle assembly is characterized by further comprising a limiting feature arranged between the shell and the waist buckle, and a plurality of rotating gears of the shell relative to the waist buckle are limited.

The utility model belongs to the technical field of emergency rescue, and particularly relates to an air respirator mask and a system. The air respirator mask comprises a mask body and a transparent face mirror, a mouth and nose mask is arranged in an inner cavity of the mask body, an air circulation area is formed between the outer portion of the mouth and nose mask and the inner side of the face mirror, two air suction valve plates are symmetrically arranged on the mouth and nose mask, and a double-mouth breathing seat is arranged on the face mirror. The double-port breathing seat is provided with an inspiration valve connector and an exhalation valve connector, the inspiration valve connector is used for being connected with an air respirator air bottle and an air supply valve of the air respirator air bottle, and the inspiration valve connector is used for being connected with an exhalation valve seat which can be freely inserted and detached. By designing the double-port breathing seat and the exhalation valve seat capable of being freely inserted and detached, when gas in air exhalation is completely consumed, on the premise that an air respirator mask and an air supply valve of the air respirator mask are not detached, the exhalation valve seat is pulled out, and a chemical oxygen respirator is inserted into an exhalation valve interface, so that closed-loop type oxygen support can be provided for a wearer; and the respiratory protection time of rescuers is prolonged.

The invention discloses a sampling smoke detection device for intelligent fire fighting, and relates to the field of fire fighting, the sampling smoke detection device comprises a host, two air inlet pipes, a detection mechanism, a fan and an air outlet pipe, the upper end of the host is provided with the two air inlet pipes, and the air inlet pipes are connected with the detection mechanism. According to the sampling smoke detection device for intelligent fire fighting, the alternate sealing detection effect is adopted, and the detected gas can be subjected to sealing detection in the continuous gas suction process, so that the influence of gas flow on the detection data is avoided, and the detection accuracy is ensured; according to the air detection device, air enters the detection box, air needing to be detected can be sealed in the detection process in cooperation with the action of a motor, a disc, a convex shaft, a movable frame, a movable frame and a sealing baffle, air flowing is avoided, and air detection can be achieved in cooperation with a laser transmitter and a photoelectric receiver; whether smoke exists in the air or not can be judged according to the intensity of optical signals received by the photoelectric receiver.

The utility model provides an escape device of a fire-fighting evacuation channel, and relates to the technical field of escape devices of fire-fighting evacuation channels, the escape device of the fire-fighting evacuation channel comprises a respirator, a device convenient to replace is arranged on the side face of the respirator, a filter is arranged on the side face of the respirator, an elastic belt is fixedly connected to the side face of the respirator, and the elastic belt is fixedly connected with the respirator. A sealing device is arranged in the respirator, the device convenient to replace comprises a hollow rod fixedly connected to the surface of the respirator, a clamping ring is fixedly connected to the surface of the hollow rod, the surface of the hollow rod is sleeved with a sleeve rod, an annular groove is formed in the inner wall of the sleeve rod, and a filter is fixedly connected to one end of the sleeve rod. A rectangular groove is formed in the surface of the hollow rod, a convex block is fixedly connected to the interior of the sleeve rod, a circular groove is formed in the inner wall of the sleeve rod, a groove is formed in the surface of the hollow rod, and a clamping ball is arranged on the inner wall of the circular groove. According to the self-rescue filter, the problem that the self-rescue filter cannot be recycled is solved.

The utility model relates to the technical field of oxygen supply devices, and discloses a portable plateau oxygen supply device which comprises a tank body, threads are arranged on the inner side and the outer side of a tank opening of the tank body, a valve body is installed on the tank opening, a plurality of annular grooves are formed in the outer side face, in the tank opening, of the valve body, and the cross section of each annular groove is triangular. The edge of the side, facing the tank body, of the triangle is parallel to the tank opening, the outer side of the valve body is sleeved with a sealing ring, the sealing ring is attached to the annular groove, the inner side of the tank opening is in threaded connection with a first gland, the inner side of the first gland is extruded with the sealing ring, and the outer side of the tank opening is in threaded connection with a second gland. The device solves the problem that the sealing effect of the tank opening is not good, the sealing performance is improved through the sealing ring, meanwhile, the movable groove is arranged to prevent accidental opening, and oxygen leakage is avoided.

The present disclosure provides an in-vehicle oxygen supply device, a vehicle, and a control method for the in-vehicle oxygen supply device, belonging to the technical field of automotive accessories. The in-vehicle oxygen supply device includes a control unit, an oxygen concentration sensor, an oxygen generation unit, a CO2 transmission pipeline, an O2 transmission pipeline, and a breathing mask. The oxygen generation unit includes a material chamber, a reaction chamber, and a reaction control device located between the material chamber and the reaction chamber. Na2O2 is contained in the material chamber. The control unit controls the reaction control device to adjust the connection opening degree between the material chamber and the reaction chamber according to the oxygen concentration in the vehicle. When the oxygen concentration in the vehicle is low, the reaction control device connects the material chamber and the reaction chamber, enabling CO2 to react with Na2O2 to generate O2, and the lower the oxygen concentration, the larger the connection opening degree. In this way, it can not only ensure that O2 can be generated in the reaction chamber when the oxygen concentration is low, but also ensure that Na2O2 is not consumed when the oxygen concentration is high. In addition, Na2O2 is a solid, which is easy to store in the oxygen generation unit and occupies a relatively small volume.

This invention provides face masks, including filter masks, and methods for manufacturing them. [Solution] A face mask comprising a mask body 143 defining a cavity for accommodating the wearer's nose and mouth, and a sealing member 144 hanging down from the mask body to engage with the wearer's face, wherein the mask body includes a filter 141 and a gas inlet 142, the filter being located in a first area of ​​the mask body and the gas inlet being located in a second area of ​​the mask body, a nose portion for accommodating the wearer's nose, a mouth portion for accommodating the wearer's mouth, and a cheek portion extending laterally across the wearer's cheek.

A mask assembly includes a mask interface and a headgear assembly. The mask interface includes a housing and a seal that seals around a user's nose and / or mouth in use. The headgear assembly secures the mask interface to the user's face in use. The headgear assembly can include a top strap, a rear section, and side arms. The top strap can be manually adjustable. The rear section can be temporarily expanded to allow for donning and / or doffing of the mask assembly. The side arms can be automatically adjustable.

A nasal-plug filter device including a device body, a filter, a first actuator, a second actuator, and a gas sensor is provided. The device body has a ventilating channel, and the ventilating channel has an inlet end and an outlet end. The filter is disposed at the outlet end. The first actuator is disposed at the inlet end for being driven to transmit gas outside the device body into the device body. The second actuator is stacked on and bonded to the first actuator, and the second actuator is driven to transmit the gas transmitted by the first actuator to the filter to be filtered and purified. The gas sensor is disposed at the outlet end for detecting a gas quality of the gas at the outlet end. A connection element may be provided for connecting two nasal-plug filter devices with each other.

One variation of a respirator device includes a shroud center portion, a filter assembly, and a gasket. The shroud central portion defines: a transparent central region configured to align with a user's nose and mouth; and a filter window laterally offset from the transparent central region. A filter assembly includes a filter media and a seal that: surrounds a perimeter of the filter media; the filter assembly is positioned within the filter window and defines a central groove configured to mate with an edge of the filter window to instantaneously retain the filter assembly within the filter window. The pad is disposed on the back side of the central portion of the lens and is configured to: seal against the face of the user; and positioning the lens center portion and the filter assembly offset from the user's face to form an airflow channel to direct airflow through the user's smooth cheek region.