29results about "Ventillation gasproof devices" patented technology

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.

The utility model relates to the technical field of civil air defense engineering, in particular to a civil air defense filtering absorber with a ventilation conversion function, which comprises a shell, a cooling cavity is arranged in the shell, cooling water is stored in the cooling cavity, a water replenishing pipe is arranged on the outer side of the shell, and an air cooling mechanism is arranged in the shell. The air cooling mechanism comprises an air guiding pipe fixedly connected to the top end of the shell, a plurality of sets of cooling coiled pipes are arranged on the two sides of the cooling cavity, the bottom end of the shell is fixedly connected with a coolant storage box, the coolant storage box is communicated with the cooling coiled pipes, and a circulating pump is installed at the bottom end of the coolant storage box. The shell is matched with the air cooling mechanism, filtered clean air is guided into the snakelike passing pipe through the air guiding pipe, heat exchange is conducted between the snakelike passing pipe and cooling water in the cooling cavity, and therefore the heat exchange efficiency of the cooling water in the cooling cavity is guaranteed, and damage caused by high-temperature air is avoided.

Disclosed are methods and a safety system of a structure for an air / environmental parameter based automatic closing of a valve to isolate breathable air supplied to a level of the structure having the breathable air supplied thereto from a source. In accordance therewith, a parameter of an environment of the level of the structure and / or the breathable air supplied thereto is sensed using a sensor associated with one or more component(s) of the safety system. In response to the sensing, the one or more component(s) automatically closes the valve associated with control of the supply of the breathable air to the level to isolate the breathable air supplied to the level.

Disclosed are a method and systems of remote monitoring of a sensor integrated safety system of a structure through a mobile data processing device. In accordance therewith, the mobile data processing device executes a component of a computing platform for the sensor integration therethrough. The mobile data processing device executing the component of the computing platform monitors the safety system and / or one or more components of a number of components thereof remotely based on collecting a number of parameters of the number of components of the safety system and / or of access thereof through detection of the number of parameters via a set of sensors associated with the number of components of the safety system. The number of parameters includes one or more parameter(s) related to breathable air from a source within the safety system supplied thereacross via a fixed piping system implemented therein and / or access of the breathable air.

A raceway includes a horizontal sleeve element carrying a metallic coil tube therethrough below a ground level associated with a structure such that the horizontal sleeve element is directly embedded in a base layer under the ground level and immediately below a first layer of the ground level, and a curved elbow element directly connected to the horizontal sleeve element at each of both ends of the horizontal sleeve element to transition the metallic coil tube across perpendicular directions. The raceway establishes a pathway for an electrical and / or a breathable air connection between components of a safety system implemented within the structure based on seamlessly and jointlessly drawing the metallic coil tube out of the curved elbow element on the each of both the ends of the horizontal sleeve element. Components of the raceway create a fire rated enclosure for the metallic coil tube.

To prevent the interior of an internal space of a building from being destroyed when a smoke exhaust switch is operated.SOLUTION: A smoke evacuation system for evacuating smoke from an internal space of a building to an external space includes a smoke evacuation passage having one end connected to a smoke evacuation port provided in the internal space, a smoke evacuation device connected to the other end of the smoke evacuation passage, a passage switching section capable of switching between communication and shut-off between the external space and a smoke evacuation passage upstream portion that is a portion of the smoke evacuation passage on a smoke evacuation port side with respect to the smoke evacuation device, a smoke evacuation operation section that is manually operated to activate the smoke evacuation device, a fire detector that detects occurrence of fire in the internal space, and a control device that controls operations of the smoke evacuation device and the passage switching section. When detecting that the smoke exhaust operation section is operated, the control device activates the smoke exhaust device and controls the passage switching section so that the smoke exhaust passage upstream section communicates with the external space, and when the fire sensing section senses occurrence of a fire, the control device controls the passage switching section so that the smoke exhaust passage upstream section is shut off from the external space.SELECTED DRAWING: Figure 3

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.

Disclosed are a method and systems of a backup power unit to supply electrical power to operational elements of component(s) of a safety system of a structure having a fixed piping system implemented therein to supply breathable air from a source to the component(s). In accordance therewith, a computing platform executing on a data processing device is integrated with a set of sensors associated with the component(s) and a backup power unit distinct from a main power unit of the safety system. The set of sensors captures operational status parameter(s) of one or more of the component(s), environmental parameter(s) thereof and / or parameter(s) of the breathable air supplied thereto. Based on the integration, the data processing device controls supply of electrical power from the backup power unit to the set of sensors and / or one or more operational element(s) of the one or more of the component(s).

To provide a lifesaving evacuation system allowing people to be safely evacuate in a situation of being surrounded by smoke caused by fire.SOLUTION: A hydrant device 10 (10-1) is placed on a road surface of a watchman passage 12. The hydrant device 10 (10-1) is provided with a hydrant unit 26 and lifesaving evacuation units 30, 32 placed on both sides. Between the hydrant device 10 (10-1) and an adjacent hydrant device, air pipings 18 are arranged along a tunnel side wall higher than evacuees, and air heads 20 are placed in the air pipings 18 with a specific interval. A respirable area 46 is formed by discharging pressure air from the air heads 20 supplied from an air compressor placed inside of the watchman passage 12 by releasing a control valve, and discharging fresh air in a specific direction where upper half bodies of the evacuees evacuating through the watchman passage 12 pass through upon fire.SELECTED DRAWING: Figure 3

The utility model relates to the technical field of civil air defense engineering equipment, in particular to an air interchanger for civil air defense engineering, which comprises a water bath cooling tank, a hot air pipe, a radiation cooling piece, a temperature sensor, a water injection pump, a drainage pump and a controller, the hot air pipe is arranged in the water bath cooling tank; the radiation cooling piece is arranged above the water bath cooling tank and is connected with the hot air pipe; the temperature sensor is mounted on the inner bottom wall of the water bath cooling tank; the output end of the water injection pump and the input end of the drainage pump communicate with the water bath cooling tank; the input end of the controller is electrically connected with the temperature sensor, and the output end of the controller is electrically connected with the water injection pump and the drainage pump. According to the utility model, the problem of poor cooling effect on exhausted hot air can be solved.

Disclosed are methods and a safety system of a structure for an air parameter based automatic bypassing of a source of breathable air within the safety system. In accordance therewith, an air analysis device is installed within the safety system along an air flow path of the breathable air from the source thereof. The safety system has a fixed piping system installed within the structure for supply of the breathable air across the safety system. A sensor associated with the air analysis device automatically detects a parameter of the breathable air circulating within the safety system. In response to detecting that the parameter of the breathable air is outside a predetermined threshold value, through a bypass controller device communicatively coupled to the air analysis device, the source of the breathable air is automatically bypassed with respect to the supply of the breathable air across the safety system.

Air treatment device comprising: - a sintered ceramic part (2) having a total porosity greater than 40%, - an air circulator (3) configured to generate an airflow to be treated through the ceramic part.

Disclosed are methods and a system of sensor-based smart unlocking of a firefighter air replenishment system. A safety system of an occupiable structure includes a breathable- air supply system to facilitate delivery of breathable air from a source of compressed air, and a fill station in a fire-rated evacuation area of the occupiable structure to supply the breathable air to an emergency personnel. The safety system also includes a smart lock associated with the breathable-air supply system to automatically unlock one or more location(s) of the breathable-air supply system usable by the emergency personnel to access the breathable air during an emergency state of the occupiable structure, and a sensor associated with the breathable-air supply system to detect the emergency state of the occupiable structure.

Disclosed are a method, a device and a system of a sensor integrated safety system based computing platform. The computing platform is executed on a data processing device and integrated with a set of sensors associated with components of a safety system In accordance therewith, the data processing device collects a number of parameters of the components of the safety system and / or of access thereof through detection of the number of parameters via the set of sensors. The number of parameters includes one or more parameter(s) related to breathable air from a source within the safety system supplied thereacross via a fixed piping system implemented therein and / or access of the breathable air. The data processing device also monitors the safety system and / or one or more components thereof based on the collected number of parameters.

To provide a sleeve, a smoke exhaust port structure, an installation method of the smoke exhaust port structure, and a removal method of the smoke exhaust port structure, for safely and easily performing installation work and removal work of the smoke exhaust port structure, by arranging the sleeve for maintaining airtightness of a smoke exhaust port including a frame member and a smoke exhaust panel on the outside of the frame member.SOLUTION: In a sleeve 4 for maintaining airtightness of a smoke exhaust port 1 attached to a smoke exhaust duct 5, the smoke exhaust port 1 includes a frame member 2 and a smoke exhaust panel 3 openably / closably attached to the frame member 2. A smoke vent structure A including a sleeve 4 and a smoke vent 1 attached to a smoke vent duct 5, wherein the sleeve 4 is configured to be disposed outside a frame member 2, the smoke vent 1 includes the frame member 2 and a smoke vent panel 3 attached to the frame member 2 so as to be openable and closable, and the sleeve 4 is disposed outside the frame member 2.SELECTED DRAWING: Figure 1

Disclosed are a method, a device and a system of sensor-based breathable air quality monitoring in a safety system of a structure. In accordance therewith, an air quality analyzer is coupled to a fixed piping system installed within the structure to facilitate delivery of breathable air from a source thereof. The air quality analyzer includes an air sequestration chamber in which a portion of the breathable air is segregated for analysis as an air sample, and one or more sensor(s) to sense one or more air quality parameter(s) from the air sample within the air sequestration chamber. An analysis module of the safety system performs analysis of the sensed one or more air quality parameter(s) based on coupling thereof to the air quality analyzer and transmits data associated with the analysis over a communication link.

Disclosed are a method, a device and a system of a block subassembly associated with a component of a safety system of a structure. The block subassembly is provided with one or more input port(s) and one or more output port(s) on a main frame thereof. The block subassembly is coupled to the component of the safety system. The component is configured to receive breathable air from a source within the safety system via a fixed piping system implemented within the structure. Breathable air from the source is routed via the one or more input port(s) to the one or more output port(s) on the main frame of the block subassembly and then into the component of the safety system.

Disclosed are methods and a safety system of a structure for an air parameter based automatic purging of breathable air within the safety system. In accordance therewith, an air analysis device is coupled within the safety system along an air flow path of the breathable air from the source thereof. The safety system has a fixed piping system installed within the structure for supply of the breathable air across the safety system. A sensor associated with the air analysis device senses a parameter of the breathable air within the safety system. In response to an alert signal indicative of the sensed parameter of the breathable air being outside a predetermined threshold value, a valve and / or a vacuum pump within the safety system automatically purges the safety system of at least a portion of the breathable air.

Disclosed are methods and a system of locating an emergency air fill station of a safety system implemented within a structure in low visibility. The safety system includes a source of breathable air, a fixed piping system within the structure for supply of the breathable air from the source across the safety system, and an emergency air fill station coupled to the fixed piping system to provide access to the breathable air therethrough for personnel to fill an air bottle. A sensor in conjunction with a processor detects a visibility parameter in a vicinity of the emergency air fill station. The processor automatically controls a parameter of one or more output device(s) located proximate to and / or on the emergency air fill station in accordance with the detection to aid the personnel in locating the emergency air fill station.

A respiratory, skin, and eye protection device having at least one filter and at least one fan to maximize filtration while minimizing power consumption, noise generated, and device footprint. The least one filter is configured to simultaneously achieve an aerosolized particle contamination filtration efficiency of about 50% or greater for particles having a size of about 0.3 μm and a vapor contamination filtration efficiency of about 50% or greater for one or more of Novichok nerve agent (A232), thickened venomous nerve agent (TVX), sulfur mustard agent (HD), thickened sulfur mustard agent (THD), soman nerve agent (GD), and sarin nerve agent (GB). During the operation and monitoring of the respiratory, skin, and eye protection device, at least one fan is activated when concentrations of select aerosolized chemical, biological, radiological, nuclear, and explosive (CBRNE) agents are detected.

A safety system implemented within a structure includes a source of breathable air, and a fixed piping system to supply the breathable air from the source to each level of a number of levels of the structure. The fixed piping system is implemented in a loop architecture including a first portion proximate the each level of the number of levels and a second portion farther away therefrom. In accordance with the loop architecture, the first portion and the second portion are implemented as a continuous loop with respect to the source of the breathable air such that, even during a compromise of a first sub-portion of the first portion relevant to one or more level(s) of the number of levels proximate thereto, unaffected by the compromise, the breathable air continues to be supplied to a second sub- portion of the first portion by way of the second portion.

An air replenishment system includes a source of air, a plurality of air fill stations, a piping assembly, a first controller, and a second controller. The source of air is to provide air at an operating pressure greater than or equal to 3000 psig. The piping assembly is coupled with the source of air to provide the air to the plurality of air fill stations. The first controller is to monitor at least one first condition associated with the air. The second controller is to receive a state signal regarding a state of the first controller over a first connection between the first controller and the second controller, and to transmit to a fire control panel, over a second connection, a fault signal of at least one of the first condition and the state of the first controller.

A respiratory, skin, and eye protection device having at least one filter and at least one fan to maximize filtration while minimizing power consumption, noise generated, and device footprint. The least one filter is configured to simultaneously achieve an aerosolized particle contamination filtration efficiency of about 50% or greater for particles having a size of about 0.3 μm and a vapor contamination filtration efficiency of about 50% or greater for one or more of Novichok nerve agent (A232), thickened venomous nerve agent (TVX), sulfur mustard agent (HD), thickened sulfur mustard agent (THD), soman nerve agent (GD), and sarin nerve agent (GB). During the operation and monitoring of the respiratory, skin, and eye protection device, at least one fan is activated when concentrations of select aerosolized chemical, biological, radiological, nuclear, and explosive (CBRNE) agents are detected.

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.

A safety system implemented within a structure includes a source of breathable air, and a fixed piping system to supply the breathable air from the source to each interior region of a number of interior regions across the structure. The fixed piping system is implemented in a ringed architecture including a first portion of the fixed piping system proximate the each interior region and a second portion thereof farther away from the each interior region. In accordance with the ringed architecture, the first portion and the second portion are implemented as a continuous ring with respect to the source of the breathable air such that, even during a compromise of a first sub¬ portion of the first portion, unaffected by the compromise, the breathable air continues to be supplied to a second sub-portion of the first portion by way of the second portion.

The utility model discloses a civil air defense project poison filtering and ventilating system which comprises an air inlet, a dust remover, a main poison filter, an air outlet, a civil air defense basement and an air outlet which are connected in series on a main ventilating pipeline, and a detection device is arranged on the main ventilating pipeline between the dust remover and the main poison filter. A first ventilation branch, a second ventilation branch and an exhaust branch are connected to the main ventilation pipeline on the rear side of the detection device in parallel, the tail end of the first ventilation branch and the tail end of the second ventilation branch are connected to the main ventilation pipeline on the front side of the air outlet, and a standby poison filter is arranged on the first ventilation branch. A series pipeline is arranged between the rear side of the main poison filter and the front side of the standby poison filter, the tail end of the exhaust branch is connected to the exhaust outlet, and control valves are arranged on the main ventilation pipeline, the first ventilation branch, the second ventilation branch, the exhaust branch and the series pipeline. According to the poison filtering and ventilating system for the civil air defense engineering, the upper limit of system treatment can be effectively improved, the pause phenomenon of the system is avoided, and life safety of personnel in an underground civil air defense room is guaranteed to the maximum extent.

A safety system of a structure includes a number of levels and / or regions and a fixed piping system installed therewithin to supply breathable air from a source across the safety system including the number of levels and / or the regions. A parameter of an environment of one or more level(s) and / or one or more region(s) of the structure and / or the breathable air supplied thereto is sensed. In response to the sensing, an actuator of one or more valve(s) associated with control of the supply of the breathable air to the one or more level(s) and / or one or more region(s) is controlled to isolate the breathable air supplied thereto.

Disclosed are a method and systems of remote monitoring of operational status of one or more component(s) of a safety system having access to breathable air. In accordance therewith, a computing platform executing on a data processing device is integrated with a set of operational status sensors associated with a number of components of the safety system. In accordance with the integration, the data processing device monitors an operational status of the one or more component(s) based on sensing, through one or more operational status sensor(s), one or more operational status parameter(s) of one or more sub-component(s) of the one or more component(s).